diff --git a/programs/ssl/dtls_client.c b/programs/ssl/dtls_client.c
index 2bebb0d..cf8f094 100644
--- a/programs/ssl/dtls_client.c
+++ b/programs/ssl/dtls_client.c
@@ -20,75 +20,73 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_printf       printf
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
-#if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) ||    \
-    !defined(MBEDTLS_NET_C)  || !defined(MBEDTLS_TIMING_C) ||             \
-    !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||        \
-    !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||      \
+#if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \
+    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_TIMING_C) ||           \
+    !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
+    !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||   \
     !defined(MBEDTLS_PEM_PARSE_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
-            "MBEDTLS_NET_C and/or MBEDTLS_TIMING_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_PEM_PARSE_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_TIMING_C and/or "
+                   "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+                   "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include <string.h>
+#    include <string.h>
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/error.h"
-#include "mbedtls/timing.h"
-#include "test/certs.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/debug.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/timing.h"
+#    include "test/certs.h"
 
 /* Uncomment out the following line to default to IPv4 and disable IPv6 */
 //#define FORCE_IPV4
 
-#define SERVER_PORT "4433"
-#define SERVER_NAME "localhost"
+#    define SERVER_PORT "4433"
+#    define SERVER_NAME "localhost"
 
-#ifdef FORCE_IPV4
-#define SERVER_ADDR "127.0.0.1"     /* Forces IPv4 */
-#else
-#define SERVER_ADDR "::1"
-#endif
+#    ifdef FORCE_IPV4
+#        define SERVER_ADDR "127.0.0.1" /* Forces IPv4 */
+#    else
+#        define SERVER_ADDR "::1"
+#    endif
 
-#define MESSAGE     "Echo this"
+#    define MESSAGE "Echo this"
 
-#define READ_TIMEOUT_MS 1000
-#define MAX_RETRY       5
+#    define READ_TIMEOUT_MS 1000
+#    define MAX_RETRY       5
 
-#define DEBUG_LEVEL 0
+#    define DEBUG_LEVEL 0
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret, len;
     mbedtls_net_context server_fd;
@@ -104,259 +102,257 @@
     mbedtls_x509_crt cacert;
     mbedtls_timing_delay_context timer;
 
-    ((void) argc);
-    ((void) argv);
+    ((void)argc);
+    ((void)argv);
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
+#    endif
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 0. Load certificates
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    ret = mbedtls_x509_crt_parse(&cacert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret < 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1. Start the connection
      */
-    mbedtls_printf( "  . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_ADDR,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_ADDR, SERVER_PORT,
+                                   MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the DTLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the DTLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                   MBEDTLS_SSL_IS_CLIENT,
-                   MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                   MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
     /* OPTIONAL is usually a bad choice for security, but makes interop easier
      * in this simplified example, in which the ca chain is hardcoded.
      * Production code should set a proper ca chain and use REQUIRED. */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
-    mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+    mbedtls_ssl_conf_read_timeout(&conf, READ_TIMEOUT_MS);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd,
-                         mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                        mbedtls_net_recv_timeout);
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the DTLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the DTLS handshake...");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_handshake( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_handshake(&ssl);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
     /* In real life, we would have used MBEDTLS_SSL_VERIFY_REQUIRED so that the
      * handshake would not succeed if the peer's cert is bad.  Even if we used
      * MBEDTLS_SSL_VERIFY_OPTIONAL, we would bail out here if ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
-#endif
+#    endif
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
-#endif
-    }
-    else
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf("%s\n", vrfy_buf);
+#    endif
+    } else
+        mbedtls_printf(" ok\n");
 
     /*
      * 6. Write the echo request
      */
 send_request:
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = sizeof( MESSAGE ) - 1;
+    len = sizeof(MESSAGE) - 1;
 
-    do ret = mbedtls_ssl_write( &ssl, (unsigned char *) MESSAGE, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_write(&ssl, (unsigned char *)MESSAGE, len);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
         goto exit;
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s\n\n", len, MESSAGE );
+    mbedtls_printf(" %d bytes written\n\n%s\n\n", len, MESSAGE);
 
     /*
      * 7. Read the echo response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
-    len = sizeof( buf ) - 1;
-    memset( buf, 0, sizeof( buf ) );
+    len = sizeof(buf) - 1;
+    memset(buf, 0, sizeof(buf));
 
-    do ret = mbedtls_ssl_read( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_read(&ssl, buf, len);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret <= 0 )
-    {
-        switch( ret )
-        {
+    if (ret <= 0) {
+        switch (ret) {
             case MBEDTLS_ERR_SSL_TIMEOUT:
-                mbedtls_printf( " timeout\n\n" );
-                if( retry_left-- > 0 )
+                mbedtls_printf(" timeout\n\n");
+                if (retry_left-- > 0)
                     goto send_request;
                 goto exit;
 
             case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                mbedtls_printf( " connection was closed gracefully\n" );
+                mbedtls_printf(" connection was closed gracefully\n");
                 ret = 0;
                 goto close_notify;
 
             default:
-                mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+                mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n\n",
+                               (unsigned int)-ret);
                 goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes read\n\n%s\n\n", len, buf );
+    mbedtls_printf(" %d bytes read\n\n%s\n\n", len, buf);
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_close_notify(&ssl);
+    while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     /*
      * 9. Final clean-ups and exit
      */
 exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  + Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  + Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
     /* Shell can not handle large exit numbers -> 1 for errors */
-    if( ret < 0 )
+    if (ret < 0)
         ret = 1;
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
-#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C &&
-          MBEDTLD_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
+#endif /* MBEDTLS_SSL_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C && \
+          MBEDTLD_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&  \
           MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C && MBEDTLS_PEM_PARSE_C */
diff --git a/programs/ssl/dtls_server.c b/programs/ssl/dtls_server.c
index f257049..139cf16 100644
--- a/programs/ssl/dtls_server.c
+++ b/programs/ssl/dtls_server.c
@@ -20,83 +20,81 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_time_t     time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_printf       printf
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_time_t       time_t
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 /* Uncomment out the following line to default to IPv4 and disable IPv6 */
 //#define FORCE_IPV4
 
 #ifdef FORCE_IPV4
-#define BIND_IP     "0.0.0.0"     /* Forces IPv4 */
+#    define BIND_IP "0.0.0.0" /* Forces IPv4 */
 #else
-#define BIND_IP     "::"
+#    define BIND_IP "::"
 #endif
 
-#if !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) ||    \
-    !defined(MBEDTLS_SSL_COOKIE_C) || !defined(MBEDTLS_NET_C) ||          \
-    !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||        \
-    !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||      \
+#if !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \
+    !defined(MBEDTLS_SSL_COOKIE_C) || !defined(MBEDTLS_NET_C) ||       \
+    !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
+    !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) ||   \
     !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_TIMING_C)
 
-int main( void )
+int main(void)
 {
-    printf( "MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
-            "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or "
-            "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
-            "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
-            "MBEDTLS_PEM_PARSE_C and/or MBEDTLS_TIMING_C not defined.\n" );
-    mbedtls_exit( 0 );
+    printf("MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
+           "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or "
+           "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or "
+           "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or "
+           "MBEDTLS_PEM_PARSE_C and/or MBEDTLS_TIMING_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#if defined(_WIN32)
-#include <windows.h>
-#endif
+#    if defined(_WIN32)
+#        include <windows.h>
+#    endif
 
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
+#    include <string.h>
+#    include <stdlib.h>
+#    include <stdio.h>
 
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/ssl_cookie.h"
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/error.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/timing.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/x509.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/ssl_cookie.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/debug.h"
+#    include "mbedtls/timing.h"
 
-#include "test/certs.h"
+#    include "test/certs.h"
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-#include "mbedtls/ssl_cache.h"
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+#        include "mbedtls/ssl_cache.h"
+#    endif
 
-#define READ_TIMEOUT_MS 10000   /* 10 seconds */
-#define DEBUG_LEVEL 0
+#    define READ_TIMEOUT_MS 10000 /* 10 seconds */
+#    define DEBUG_LEVEL     0
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret, len;
     mbedtls_net_context listen_fd, client_fd;
@@ -113,278 +111,271 @@
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
     mbedtls_timing_delay_context timer;
-#if defined(MBEDTLS_SSL_CACHE_C)
+#    if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_context cache;
-#endif
+#    endif
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ssl_cookie_init( &cookie_ctx );
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
-#endif
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ssl_cookie_init(&cookie_ctx);
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_init(&cache);
+#    endif
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
+#    endif
 
     /*
      * 1. Seed the RNG
      */
-    printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 2. Load the certificates and private RSA key
      */
-    printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret = mbedtls_pk_parse_key(&pkey,
+                               (const unsigned char *)mbedtls_test_srv_key,
+                               mbedtls_test_srv_key_len, NULL, 0,
+                               mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 3. Setup the "listening" UDP socket
      */
-    printf( "  . Bind on udp/*/4433 ..." );
-    fflush( stdout );
+    printf("  . Bind on udp/*/4433 ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, BIND_IP, "4433",
+                                MBEDTLS_NET_PROTO_UDP)) != 0) {
+        printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 4. Setup stuff
      */
-    printf( "  . Setting up the DTLS data..." );
-    fflush( stdout );
+    printf("  . Setting up the DTLS data...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_DATAGRAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_DATAGRAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
-    mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
+    mbedtls_ssl_conf_read_timeout(&conf, READ_TIMEOUT_MS);
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
-                                   mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_conf_session_cache(&conf, &cache, mbedtls_ssl_cache_get,
+                                   mbedtls_ssl_cache_set);
+#    endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.MBEDTLS_PRIVATE(next), NULL );
-   if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.MBEDTLS_PRIVATE(next), NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
-                                  mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx, mbedtls_ctr_drbg_random,
+                                        &ctr_drbg)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
-                               &cookie_ctx );
+    mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write,
+                                  mbedtls_ssl_cookie_check, &cookie_ctx);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
 reset:
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                    client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
-    {
-        printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, client_ip,
+                                  sizeof(client_ip), &cliip_len)) != 0) {
+        printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
     /* For HelloVerifyRequest cookies */
-    if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
-                    client_ip, cliip_len ) ) != 0 )
-    {
-        printf( " failed\n  ! "
-                "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_set_client_transport_id(&ssl, client_ip,
+                                                   cliip_len)) != 0) {
+        printf(" failed\n  ! "
+               "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
+               (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &client_fd,
-                         mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
+    mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv,
+                        mbedtls_net_recv_timeout);
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 5. Handshake
      */
-    printf( "  . Performing the DTLS handshake..." );
-    fflush( stdout );
+    printf("  . Performing the DTLS handshake...");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_handshake( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_handshake(&ssl);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
-    {
-        printf( " hello verification requested\n" );
+    if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
+        printf(" hello verification requested\n");
         ret = 0;
         goto reset;
-    }
-    else if( ret != 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    } else if (ret != 0) {
+        printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+               (unsigned int)-ret);
         goto reset;
     }
 
-    printf( " ok\n" );
+    printf(" ok\n");
 
     /*
      * 6. Read the echo Request
      */
-    printf( "  < Read from client:" );
-    fflush( stdout );
+    printf("  < Read from client:");
+    fflush(stdout);
 
-    len = sizeof( buf ) - 1;
-    memset( buf, 0, sizeof( buf ) );
+    len = sizeof(buf) - 1;
+    memset(buf, 0, sizeof(buf));
 
-    do ret = mbedtls_ssl_read( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_read(&ssl, buf, len);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret <= 0 )
-    {
-        switch( ret )
-        {
+    if (ret <= 0) {
+        switch (ret) {
             case MBEDTLS_ERR_SSL_TIMEOUT:
-                printf( " timeout\n\n" );
+                printf(" timeout\n\n");
                 goto reset;
 
             case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                printf( " connection was closed gracefully\n" );
+                printf(" connection was closed gracefully\n");
                 ret = 0;
                 goto close_notify;
 
             default:
-                printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
+                printf(" mbedtls_ssl_read returned -0x%x\n\n",
+                       (unsigned int)-ret);
                 goto reset;
         }
     }
 
     len = ret;
-    printf( " %d bytes read\n\n%s\n\n", len, buf );
+    printf(" %d bytes read\n\n%s\n\n", len, buf);
 
     /*
      * 7. Write the 200 Response
      */
-    printf( "  > Write to client:" );
-    fflush( stdout );
+    printf("  > Write to client:");
+    fflush(stdout);
 
-    do ret = mbedtls_ssl_write( &ssl, buf, len );
-    while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-           ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_write(&ssl, buf, len);
+    while (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+           ret == MBEDTLS_ERR_SSL_WANT_WRITE);
 
-    if( ret < 0 )
-    {
-        printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    if (ret < 0) {
+        printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
         goto exit;
     }
 
     len = ret;
-    printf( " %d bytes written\n\n%s\n\n", len, buf );
+    printf(" %d bytes written\n\n%s\n\n", len, buf);
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    printf( "  . Closing the connection..." );
+    printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_close_notify(&ssl);
+    while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    printf( " done\n" );
+    printf(" done\n");
 
     goto reset;
 
@@ -393,41 +384,41 @@
      */
 exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        printf( "Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ssl_cookie_free( &cookie_ctx );
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
-#endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ssl_cookie_free(&cookie_ctx);
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_free(&cache);
+#    endif
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    printf( "  Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    printf("  Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
     /* Shell can not handle large exit numbers -> 1 for errors */
-    if( ret < 0 )
+    if (ret < 0)
         ret = 1;
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
-#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS &&
-          MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C &&
-          MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C
+#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS &&                  \
+          MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C &&   \
+          MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C \
           && MBEDTLS_PEM_PARSE_C && MBEDTLS_TIMING_C */
diff --git a/programs/ssl/mini_client.c b/programs/ssl/mini_client.c
index 1e0bef6..3938530 100644
--- a/programs/ssl/mini_client.c
+++ b/programs/ssl/mini_client.c
@@ -21,14 +21,14 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 /*
@@ -42,55 +42,52 @@
  * goal of minimizing use of the libc functions on full-blown OSes.
  */
 #if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
-#define UNIX
+#    define UNIX
 #endif
 
 #if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
-    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
-    !defined(UNIX)
+    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || !defined(UNIX)
 
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
-            "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
-            "not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include <string.h>
+#    include <string.h>
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
 
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
+#    include <sys/socket.h>
+#    include <netinet/in.h>
+#    include <arpa/inet.h>
 
 /*
  * Hardcoded values for server host and port
  */
-#define PORT_BE 0x1151      /* 4433 */
-#define PORT_LE 0x5111
-#define ADDR_BE 0x7f000001  /* 127.0.0.1 */
-#define ADDR_LE 0x0100007f
-#define HOSTNAME "localhost" /* for cert verification if enabled */
+#    define PORT_BE  0x1151 /* 4433 */
+#    define PORT_LE  0x5111
+#    define ADDR_BE  0x7f000001 /* 127.0.0.1 */
+#    define ADDR_LE  0x0100007f
+#    define HOSTNAME "localhost" /* for cert verification if enabled */
 
-#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
+#    define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
 
 const char *pers = "mini_client";
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-const unsigned char psk[] = {
-    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
-    0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
-};
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+const unsigned char psk[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+                              0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
 const char psk_id[] = "Client_identity";
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
 /* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */
 const unsigned char ca_cert[] = {
     0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01,
@@ -144,7 +141,7 @@
     0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c,
     0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20,
 };
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
 enum exit_codes
 {
@@ -160,109 +157,100 @@
     ssl_write_failed,
 };
 
-
-int main( void )
+int main(void)
 {
     int ret = exit_ok;
     mbedtls_net_context server_fd;
     struct sockaddr_in addr;
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     mbedtls_x509_crt ca;
-#endif
+#    endif
 
     mbedtls_entropy_context entropy;
     mbedtls_ctr_drbg_context ctr_drbg;
     mbedtls_ssl_context ssl;
     mbedtls_ssl_config conf;
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
     /*
      * 0. Initialize and setup stuff
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_init( &ca );
-#endif
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_init(&ca);
+#    endif
 
-    mbedtls_entropy_init( &entropy );
-    if( mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                       (const unsigned char *) pers, strlen( pers ) ) != 0 )
-    {
+    mbedtls_entropy_init(&entropy);
+    if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                              (const unsigned char *)pers, strlen(pers)) != 0) {
         ret = ctr_drbg_seed_failed;
         goto exit;
     }
 
-    if( mbedtls_ssl_config_defaults( &conf,
-                MBEDTLS_SSL_IS_CLIENT,
-                MBEDTLS_SSL_TRANSPORT_STREAM,
-                MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
-    {
+    if (mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                    MBEDTLS_SSL_TRANSPORT_STREAM,
+                                    MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
         ret = ssl_config_defaults_failed;
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
-                (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
-#endif
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+    mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk), (const unsigned char *)psk_id,
+                         sizeof(psk_id) - 1);
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( mbedtls_x509_crt_parse_der( &ca, ca_cert, sizeof( ca_cert ) ) != 0 )
-    {
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if (mbedtls_x509_crt_parse_der(&ca, ca_cert, sizeof(ca_cert)) != 0) {
         ret = x509_crt_parse_failed;
         goto exit;
     }
 
-    mbedtls_ssl_conf_ca_chain( &conf, &ca, NULL );
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
-#endif
+    mbedtls_ssl_conf_ca_chain(&conf, &ca, NULL);
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
+#    endif
 
-    if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
-    {
+    if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
         ret = ssl_setup_failed;
         goto exit;
     }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( mbedtls_ssl_set_hostname( &ssl, HOSTNAME ) != 0 )
-    {
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if (mbedtls_ssl_set_hostname(&ssl, HOSTNAME) != 0) {
         ret = hostname_failed;
         goto exit;
     }
-#endif
+#    endif
 
     /*
      * 1. Start the connection
      */
-    memset( &addr, 0, sizeof( addr ) );
+    memset(&addr, 0, sizeof(addr));
     addr.sin_family = AF_INET;
 
     ret = 1; /* for endianness detection */
-    addr.sin_port = *((char *) &ret) == ret ? PORT_LE : PORT_BE;
-    addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
+    addr.sin_port = *((char *)&ret) == ret ? PORT_LE : PORT_BE;
+    addr.sin_addr.s_addr = *((char *)&ret) == ret ? ADDR_LE : ADDR_BE;
     ret = 0;
 
-    if( ( server_fd.MBEDTLS_PRIVATE(fd) = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
-    {
+    if ((server_fd.MBEDTLS_PRIVATE(fd) = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
         ret = socket_failed;
         goto exit;
     }
 
-    if( connect( server_fd.MBEDTLS_PRIVATE(fd),
-                (const struct sockaddr *) &addr, sizeof( addr ) ) < 0 )
-    {
+    if (connect(server_fd.MBEDTLS_PRIVATE(fd), (const struct sockaddr *)&addr,
+                sizeof(addr)) < 0) {
         ret = connect_failed;
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
-    if( mbedtls_ssl_handshake( &ssl ) != 0 )
-    {
+    if (mbedtls_ssl_handshake(&ssl) != 0) {
         ret = ssl_handshake_failed;
         goto exit;
     }
@@ -270,26 +258,25 @@
     /*
      * 2. Write the GET request and close the connection
      */
-    if( mbedtls_ssl_write( &ssl, (const unsigned char *) GET_REQUEST,
-                         sizeof( GET_REQUEST ) - 1 ) <= 0 )
-    {
+    if (mbedtls_ssl_write(&ssl, (const unsigned char *)GET_REQUEST,
+                          sizeof(GET_REQUEST) - 1) <= 0) {
         ret = ssl_write_failed;
         goto exit;
     }
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
 exit:
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_free( &ca );
-#endif
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_free(&ca);
+#    endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 #endif
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 3f7256f..8c7370f 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -20,17 +20,17 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||     \
@@ -38,45 +38,43 @@
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||            \
     !defined(MBEDTLS_PEM_PARSE_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
     !defined(MBEDTLS_X509_CRT_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/error.h"
-#include "test/certs.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/debug.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/error.h"
+#    include "test/certs.h"
 
-#include <string.h>
+#    include <string.h>
 
-#define SERVER_PORT "4433"
-#define SERVER_NAME "localhost"
-#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
+#    define SERVER_PORT "4433"
+#    define SERVER_NAME "localhost"
+#    define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
 
-#define DEBUG_LEVEL 1
+#    define DEBUG_LEVEL 1
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -91,227 +89,223 @@
     mbedtls_ssl_config conf;
     mbedtls_x509_crt cacert;
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
+#    endif
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 0. Initialize certificates
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    ret = mbedtls_x509_crt_parse(&cacert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret < 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1. Start the connection
      */
-    mbedtls_printf( "  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to tcp/%s/%s...", SERVER_NAME, SERVER_PORT);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, SERVER_NAME,
-                                         SERVER_PORT, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, SERVER_NAME, SERVER_PORT,
+                                   MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /* OPTIONAL is not optimal for security,
      * but makes interop easier in this simplified example */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, SERVER_NAME)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
     /* In real life, we probably want to bail out when ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
-#endif
+#    endif
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
-#endif
-    }
-    else
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf("%s\n", vrfy_buf);
+#    endif
+    } else
+        mbedtls_printf(" ok\n");
 
     /*
      * 3. Write the GET request
      */
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, GET_REQUEST );
+    len = sprintf((char *)buf, GET_REQUEST);
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s", len, (char *) buf );
+    mbedtls_printf(" %d bytes written\n\n%s", len, (char *)buf);
 
     /*
      * 7. Read the HTTP response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+            ret == MBEDTLS_ERR_SSL_WANT_WRITE)
             continue;
 
-        if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+        if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)
             break;
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );
+        if (ret < 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);
             break;
         }
 
-        if( ret == 0 )
-        {
-            mbedtls_printf( "\n\nEOF\n\n" );
+        if (ret == 0) {
+            mbedtls_printf("\n\nEOF\n\n");
             break;
         }
 
         len = ret;
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
-    }
-    while( 1 );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
+    } while (1);
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( exit_code != MBEDTLS_EXIT_SUCCESS )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (exit_code != MBEDTLS_EXIT_SUCCESS) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  + Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  + Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&
-          MBEDTLS_PEM_PARSE_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C && \
+          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C &&        \
+          MBEDTLS_PEM_PARSE_C && MBEDTLS_CTR_DRBG_C &&                  \
+          MBEDTLS_X509_CRT_PARSE_C */
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 5477096..ed36698 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -22,533 +22,508 @@
 #include "ssl_test_lib.h"
 
 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
-    mbedtls_exit( 0 );
+    mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE);
+    mbedtls_exit(0);
 }
 #elif !defined(MBEDTLS_SSL_CLI_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_CLI_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_CLI_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
 
 /* Size of memory to be allocated for the heap, when using the library's memory
  * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
-#define MEMORY_HEAP_SIZE      120000
+#    define MEMORY_HEAP_SIZE 120000
 
-#define MAX_REQUEST_SIZE      20000
-#define MAX_REQUEST_SIZE_STR "20000"
+#    define MAX_REQUEST_SIZE     20000
+#    define MAX_REQUEST_SIZE_STR "20000"
 
-#define DFL_SERVER_NAME         "localhost"
-#define DFL_SERVER_ADDR         NULL
-#define DFL_SERVER_PORT         "4433"
-#define DFL_REQUEST_PAGE        "/"
-#define DFL_REQUEST_SIZE        -1
-#define DFL_DEBUG_LEVEL         0
-#define DFL_CONTEXT_CRT_CB      0
-#define DFL_NBIO                0
-#define DFL_EVENT               0
-#define DFL_READ_TIMEOUT        0
-#define DFL_MAX_RESEND          0
-#define DFL_CA_FILE             ""
-#define DFL_CA_PATH             ""
-#define DFL_CRT_FILE            ""
-#define DFL_KEY_FILE            ""
-#define DFL_KEY_OPAQUE          0
-#define DFL_KEY_PWD             ""
-#define DFL_PSK                 ""
-#define DFL_PSK_OPAQUE          0
-#define DFL_PSK_IDENTITY        "Client_identity"
-#define DFL_ECJPAKE_PW          NULL
-#define DFL_EC_MAX_OPS          -1
-#define DFL_FORCE_CIPHER        0
-#define DFL_RENEGOTIATION       MBEDTLS_SSL_RENEGOTIATION_DISABLED
-#define DFL_ALLOW_LEGACY        -2
-#define DFL_RENEGOTIATE         0
-#define DFL_EXCHANGES           1
-#define DFL_MIN_VERSION         -1
-#define DFL_MAX_VERSION         -1
-#define DFL_SHA1                -1
-#define DFL_AUTH_MODE           -1
-#define DFL_MFL_CODE            MBEDTLS_SSL_MAX_FRAG_LEN_NONE
-#define DFL_TRUNC_HMAC          -1
-#define DFL_RECSPLIT            -1
-#define DFL_DHMLEN              -1
-#define DFL_RECONNECT           0
-#define DFL_RECO_DELAY          0
-#define DFL_RECO_MODE           1
-#define DFL_CID_ENABLED         0
-#define DFL_CID_VALUE           ""
-#define DFL_CID_ENABLED_RENEGO  -1
-#define DFL_CID_VALUE_RENEGO    NULL
-#define DFL_RECONNECT_HARD      0
-#define DFL_TICKETS             MBEDTLS_SSL_SESSION_TICKETS_ENABLED
-#define DFL_ALPN_STRING         NULL
-#define DFL_CURVES              NULL
-#define DFL_TRANSPORT           MBEDTLS_SSL_TRANSPORT_STREAM
-#define DFL_HS_TO_MIN           0
-#define DFL_HS_TO_MAX           0
-#define DFL_DTLS_MTU            -1
-#define DFL_DGRAM_PACKING        1
-#define DFL_FALLBACK            -1
-#define DFL_EXTENDED_MS         -1
-#define DFL_ETM                 -1
-#define DFL_SERIALIZE           0
-#define DFL_CONTEXT_FILE        ""
-#define DFL_EXTENDED_MS_ENFORCE -1
-#define DFL_CA_CALLBACK         0
-#define DFL_EAP_TLS             0
-#define DFL_REPRODUCIBLE        0
-#define DFL_NSS_KEYLOG          0
-#define DFL_NSS_KEYLOG_FILE     NULL
-#define DFL_SKIP_CLOSE_NOTIFY   0
-#define DFL_QUERY_CONFIG_MODE   0
-#define DFL_USE_SRTP            0
-#define DFL_SRTP_FORCE_PROFILE  0
-#define DFL_SRTP_MKI            ""
+#    define DFL_SERVER_NAME         "localhost"
+#    define DFL_SERVER_ADDR         NULL
+#    define DFL_SERVER_PORT         "4433"
+#    define DFL_REQUEST_PAGE        "/"
+#    define DFL_REQUEST_SIZE        -1
+#    define DFL_DEBUG_LEVEL         0
+#    define DFL_CONTEXT_CRT_CB      0
+#    define DFL_NBIO                0
+#    define DFL_EVENT               0
+#    define DFL_READ_TIMEOUT        0
+#    define DFL_MAX_RESEND          0
+#    define DFL_CA_FILE             ""
+#    define DFL_CA_PATH             ""
+#    define DFL_CRT_FILE            ""
+#    define DFL_KEY_FILE            ""
+#    define DFL_KEY_OPAQUE          0
+#    define DFL_KEY_PWD             ""
+#    define DFL_PSK                 ""
+#    define DFL_PSK_OPAQUE          0
+#    define DFL_PSK_IDENTITY        "Client_identity"
+#    define DFL_ECJPAKE_PW          NULL
+#    define DFL_EC_MAX_OPS          -1
+#    define DFL_FORCE_CIPHER        0
+#    define DFL_RENEGOTIATION       MBEDTLS_SSL_RENEGOTIATION_DISABLED
+#    define DFL_ALLOW_LEGACY        -2
+#    define DFL_RENEGOTIATE         0
+#    define DFL_EXCHANGES           1
+#    define DFL_MIN_VERSION         -1
+#    define DFL_MAX_VERSION         -1
+#    define DFL_SHA1                -1
+#    define DFL_AUTH_MODE           -1
+#    define DFL_MFL_CODE            MBEDTLS_SSL_MAX_FRAG_LEN_NONE
+#    define DFL_TRUNC_HMAC          -1
+#    define DFL_RECSPLIT            -1
+#    define DFL_DHMLEN              -1
+#    define DFL_RECONNECT           0
+#    define DFL_RECO_DELAY          0
+#    define DFL_RECO_MODE           1
+#    define DFL_CID_ENABLED         0
+#    define DFL_CID_VALUE           ""
+#    define DFL_CID_ENABLED_RENEGO  -1
+#    define DFL_CID_VALUE_RENEGO    NULL
+#    define DFL_RECONNECT_HARD      0
+#    define DFL_TICKETS             MBEDTLS_SSL_SESSION_TICKETS_ENABLED
+#    define DFL_ALPN_STRING         NULL
+#    define DFL_CURVES              NULL
+#    define DFL_TRANSPORT           MBEDTLS_SSL_TRANSPORT_STREAM
+#    define DFL_HS_TO_MIN           0
+#    define DFL_HS_TO_MAX           0
+#    define DFL_DTLS_MTU            -1
+#    define DFL_DGRAM_PACKING       1
+#    define DFL_FALLBACK            -1
+#    define DFL_EXTENDED_MS         -1
+#    define DFL_ETM                 -1
+#    define DFL_SERIALIZE           0
+#    define DFL_CONTEXT_FILE        ""
+#    define DFL_EXTENDED_MS_ENFORCE -1
+#    define DFL_CA_CALLBACK         0
+#    define DFL_EAP_TLS             0
+#    define DFL_REPRODUCIBLE        0
+#    define DFL_NSS_KEYLOG          0
+#    define DFL_NSS_KEYLOG_FILE     NULL
+#    define DFL_SKIP_CLOSE_NOTIFY   0
+#    define DFL_QUERY_CONFIG_MODE   0
+#    define DFL_USE_SRTP            0
+#    define DFL_SRTP_FORCE_PROFILE  0
+#    define DFL_SRTP_MKI            ""
 
-#define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
-#define GET_REQUEST_END "\r\n\r\n"
+#    define GET_REQUEST     "GET %s HTTP/1.0\r\nExtra-header: "
+#    define GET_REQUEST_END "\r\n\r\n"
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-#define USAGE_CONTEXT_CRT_CB \
-    "    context_crt_cb=%%d   This determines whether the CRT verification callback is bound\n" \
-    "                        to the SSL configuration of the SSL context.\n" \
-    "                        Possible values:\n"\
-    "                        - 0 (default): Use CRT callback bound to configuration\n" \
-    "                        - 1: Use CRT callback bound to SSL context\n"
-#else
-#define USAGE_CONTEXT_CRT_CB ""
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-#if defined(MBEDTLS_FS_IO)
-#define USAGE_IO \
-    "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (pre-loaded)\n" \
-    "                        use \"none\" to skip loading any top-level CAs.\n" \
-    "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (pre-loaded) (overrides ca_file)\n" \
-    "                        use \"none\" to skip loading any top-level CAs.\n" \
-    "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n" \
-    "                        default: \"\" (pre-loaded)\n" \
-    "    key_file=%%s         default: \"\" (pre-loaded)\n"\
-    "    key_pwd=%%s          Password for key specified by key_file argument\n"\
-    "                        default: none\n"
-#else
-#define USAGE_IO \
-    "    No file operations available (MBEDTLS_FS_IO not defined)\n"
-#endif /* MBEDTLS_FS_IO */
-#else /* MBEDTLS_X509_CRT_PARSE_C */
-#define USAGE_IO ""
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
-#define USAGE_KEY_OPAQUE \
-    "    key_opaque=%%d       Handle your private key as if it were opaque\n" \
-    "                        default: 0 (disabled)\n"
-#else
-#define USAGE_KEY_OPAQUE ""
-#endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+#        define USAGE_CONTEXT_CRT_CB                                                                    \
+            "    context_crt_cb=%%d   This determines whether the CRT verification callback is bound\n" \
+            "                        to the SSL configuration of the SSL context.\n"                    \
+            "                        Possible values:\n"                                                \
+            "                        - 0 (default): Use CRT callback bound to configuration\n"          \
+            "                        - 1: Use CRT callback bound to SSL context\n"
+#    else
+#        define USAGE_CONTEXT_CRT_CB ""
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+#        if defined(MBEDTLS_FS_IO)
+#            define USAGE_IO                                                                                      \
+                "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n"       \
+                "                        default: \"\" (pre-loaded)\n"                                            \
+                "                        use \"none\" to skip loading any top-level CAs.\n"                       \
+                "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n"              \
+                "                        default: \"\" (pre-loaded) (overrides ca_file)\n"                        \
+                "                        use \"none\" to skip loading any top-level CAs.\n"                       \
+                "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n" \
+                "                        default: \"\" (pre-loaded)\n"                                            \
+                "    key_file=%%s         default: \"\" (pre-loaded)\n"                                           \
+                "    key_pwd=%%s          Password for key specified by key_file argument\n"                      \
+                "                        default: none\n"
+#        else
+#            define USAGE_IO \
+                "    No file operations available (MBEDTLS_FS_IO not defined)\n"
+#        endif /* MBEDTLS_FS_IO */
+#    else /* MBEDTLS_X509_CRT_PARSE_C */
+#        define USAGE_IO ""
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
+#        define USAGE_KEY_OPAQUE                                                      \
+            "    key_opaque=%%d       Handle your private key as if it were opaque\n" \
+            "                        default: 0 (disabled)\n"
+#    else
+#        define USAGE_KEY_OPAQUE ""
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-#define USAGE_CID \
-    "    cid=%%d             Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
-    "                       default: 0 (disabled)\n"     \
-    "    cid_renego=%%d      Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
-    "                       default: same as 'cid' parameter\n"     \
-    "    cid_val=%%s          The CID to use for incoming messages (in hex, without 0x).\n"  \
-    "                        default: \"\"\n" \
-    "    cid_val_renego=%%s   The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n"  \
-    "                        default: same as 'cid_val' parameter\n"
-#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-#define USAGE_CID ""
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#        define USAGE_CID                                                                                                           \
+            "    cid=%%d             Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n"                      \
+            "                       default: 0 (disabled)\n"                                                                        \
+            "    cid_renego=%%d      Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
+            "                       default: same as 'cid' parameter\n"                                                             \
+            "    cid_val=%%s          The CID to use for incoming messages (in hex, without 0x).\n"                                 \
+            "                        default: \"\"\n"                                                                               \
+            "    cid_val_renego=%%s   The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n"             \
+            "                        default: same as 'cid_val' parameter\n"
+#    else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#        define USAGE_CID ""
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-#define USAGE_PSK_RAW                                               \
-    "    psk=%%s              default: \"\" (disabled)\n"     \
-    "                          The PSK values are in hex, without 0x.\n" \
-    "    psk_identity=%%s     default: \"Client_identity\"\n"
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#define USAGE_PSK_SLOT                          \
-    "    psk_opaque=%%d       default: 0 (don't use opaque static PSK)\n"     \
-    "                          Enable this to store the PSK configured through command line\n" \
-    "                          parameter `psk` in a PSA-based key slot.\n" \
-    "                          Note: Currently only supported in conjunction with\n"                  \
-    "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n"      \
-    "                          to force a particular PSK-only ciphersuite.\n"                         \
-    "                          Note: This is to test integration of PSA-based opaque PSKs with\n"     \
-    "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n"  \
-    "                          with prepopulated key slots instead of importing raw key material.\n"
-#else
-#define USAGE_PSK_SLOT ""
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-#define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
-#else
-#define USAGE_PSK ""
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#        define USAGE_PSK_RAW                                                    \
+            "    psk=%%s              default: \"\" (disabled)\n"                \
+            "                          The PSK values are in hex, without 0x.\n" \
+            "    psk_identity=%%s     default: \"Client_identity\"\n"
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+#            define USAGE_PSK_SLOT                                                                               \
+                "    psk_opaque=%%d       default: 0 (don't use opaque static PSK)\n"                            \
+                "                          Enable this to store the PSK configured through command line\n"       \
+                "                          parameter `psk` in a PSA-based key slot.\n"                           \
+                "                          Note: Currently only supported in conjunction with\n"                 \
+                "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n"     \
+                "                          to force a particular PSK-only ciphersuite.\n"                        \
+                "                          Note: This is to test integration of PSA-based opaque PSKs with\n"    \
+                "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
+                "                          with prepopulated key slots instead of importing raw key material.\n"
+#        else
+#            define USAGE_PSK_SLOT ""
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
+#    else
+#        define USAGE_PSK ""
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-#define USAGE_CA_CALLBACK                       \
-    "   ca_callback=%%d       default: 0 (disabled)\n"      \
-    "                         Enable this to use the trusted certificate callback function\n"
-#else
-#define USAGE_CA_CALLBACK ""
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+#        define USAGE_CA_CALLBACK                              \
+            "   ca_callback=%%d       default: 0 (disabled)\n" \
+            "                         Enable this to use the trusted certificate callback function\n"
+#    else
+#        define USAGE_CA_CALLBACK ""
+#    endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-#define USAGE_TICKETS                                       \
-    "    tickets=%%d          default: 1 (enabled)\n"
-#else
-#define USAGE_TICKETS ""
-#endif /* MBEDTLS_SSL_SESSION_TICKETS */
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+#        define USAGE_TICKETS "    tickets=%%d          default: 1 (enabled)\n"
+#    else
+#        define USAGE_TICKETS ""
+#    endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-#define USAGE_EAP_TLS                                       \
-    "    eap_tls=%%d          default: 0 (disabled)\n"
-#define USAGE_NSS_KEYLOG                                    \
-    "    nss_keylog=%%d          default: 0 (disabled)\n"               \
-    "                             This cannot be used with eap_tls=1\n"
-#define USAGE_NSS_KEYLOG_FILE                               \
-    "    nss_keylog_file=%%s\n"
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
-#define USAGE_SRTP \
-    "    use_srtp=%%d         default: 0 (disabled)\n" \
-    "                          This cannot be used with eap_tls=1 or "\
-    "                          nss_keylog=1\n"             \
-    "    srtp_force_profile=%%d  default: 0 (all enabled)\n"   \
-    "                        available profiles:\n"       \
-    "                        1 - SRTP_AES128_CM_HMAC_SHA1_80\n"  \
-    "                        2 - SRTP_AES128_CM_HMAC_SHA1_32\n"  \
-    "                        3 - SRTP_NULL_HMAC_SHA1_80\n"       \
-    "                        4 - SRTP_NULL_HMAC_SHA1_32\n"       \
-    "    mki=%%s              default: \"\" (in hex, without 0x)\n"
-#else /* MBEDTLS_SSL_DTLS_SRTP */
-#define USAGE_SRTP ""
-#endif
-#else /* MBEDTLS_SSL_EXPORT_KEYS */
-#define USAGE_EAP_TLS ""
-#define USAGE_NSS_KEYLOG ""
-#define USAGE_NSS_KEYLOG_FILE ""
-#define USAGE_SRTP ""
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#        define USAGE_EAP_TLS "    eap_tls=%%d          default: 0 (disabled)\n"
+#        define USAGE_NSS_KEYLOG                                  \
+            "    nss_keylog=%%d          default: 0 (disabled)\n" \
+            "                             This cannot be used with eap_tls=1\n"
+#        define USAGE_NSS_KEYLOG_FILE "    nss_keylog_file=%%s\n"
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+#            define USAGE_SRTP                                                     \
+                "    use_srtp=%%d         default: 0 (disabled)\n"                 \
+                "                          This cannot be used with eap_tls=1 or " \
+                "                          nss_keylog=1\n"                         \
+                "    srtp_force_profile=%%d  default: 0 (all enabled)\n"           \
+                "                        available profiles:\n"                    \
+                "                        1 - SRTP_AES128_CM_HMAC_SHA1_80\n"        \
+                "                        2 - SRTP_AES128_CM_HMAC_SHA1_32\n"        \
+                "                        3 - SRTP_NULL_HMAC_SHA1_80\n"             \
+                "                        4 - SRTP_NULL_HMAC_SHA1_32\n"             \
+                "    mki=%%s              default: \"\" (in hex, without 0x)\n"
+#        else /* MBEDTLS_SSL_DTLS_SRTP */
+#            define USAGE_SRTP ""
+#        endif
+#    else /* MBEDTLS_SSL_EXPORT_KEYS */
+#        define USAGE_EAP_TLS         ""
+#        define USAGE_NSS_KEYLOG      ""
+#        define USAGE_NSS_KEYLOG_FILE ""
+#        define USAGE_SRTP            ""
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-#define USAGE_MAX_FRAG_LEN                                      \
-    "    max_frag_len=%%d     default: 16384 (tls default)\n"   \
-    "                        options: 512, 1024, 2048, 4096\n"
-#else
-#define USAGE_MAX_FRAG_LEN ""
-#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+#        define USAGE_MAX_FRAG_LEN                                    \
+            "    max_frag_len=%%d     default: 16384 (tls default)\n" \
+            "                        options: 512, 1024, 2048, 4096\n"
+#    else
+#        define USAGE_MAX_FRAG_LEN ""
+#    endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(MBEDTLS_DHM_C)
-#define USAGE_DHMLEN \
-    "    dhmlen=%%d           default: (library default: 1024 bits)\n"
-#else
-#define USAGE_DHMLEN
-#endif
+#    if defined(MBEDTLS_DHM_C)
+#        define USAGE_DHMLEN \
+            "    dhmlen=%%d           default: (library default: 1024 bits)\n"
+#    else
+#        define USAGE_DHMLEN
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
-#define USAGE_ALPN \
-    "    alpn=%%s             default: \"\" (disabled)\n"   \
-    "                        example: spdy/1,http/1.1\n"
-#else
-#define USAGE_ALPN ""
-#endif /* MBEDTLS_SSL_ALPN */
+#    if defined(MBEDTLS_SSL_ALPN)
+#        define USAGE_ALPN                                        \
+            "    alpn=%%s             default: \"\" (disabled)\n" \
+            "                        example: spdy/1,http/1.1\n"
+#    else
+#        define USAGE_ALPN ""
+#    endif /* MBEDTLS_SSL_ALPN */
 
-#if defined(MBEDTLS_ECP_C)
-#define USAGE_CURVES \
-    "    curves=a,b,c,d      default: \"default\" (library default)\n"  \
-    "                        example: \"secp521r1,brainpoolP512r1\"\n"  \
-    "                        - use \"none\" for empty list\n"           \
-    "                        - see mbedtls_ecp_curve_list()\n"          \
-    "                          for acceptable curve names\n"
-#else
-#define USAGE_CURVES ""
-#endif
+#    if defined(MBEDTLS_ECP_C)
+#        define USAGE_CURVES                                                   \
+            "    curves=a,b,c,d      default: \"default\" (library default)\n" \
+            "                        example: \"secp521r1,brainpoolP512r1\"\n" \
+            "                        - use \"none\" for empty list\n"          \
+            "                        - see mbedtls_ecp_curve_list()\n"         \
+            "                          for acceptable curve names\n"
+#    else
+#        define USAGE_CURVES ""
+#    endif
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-#define USAGE_DTLS \
-    "    dtls=%%d             default: 0 (TLS)\n"                           \
-    "    hs_timeout=%%d-%%d    default: (library default: 1000-60000)\n"    \
-    "                        range of DTLS handshake timeouts in millisecs\n" \
-    "    mtu=%%d              default: (library default: unlimited)\n"  \
-    "    dgram_packing=%%d    default: 1 (allowed)\n"                   \
-    "                        allow or forbid packing of multiple\n" \
-    "                        records within a single datgram.\n"
-#else
-#define USAGE_DTLS ""
-#endif
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+#        define USAGE_DTLS                                                            \
+            "    dtls=%%d             default: 0 (TLS)\n"                             \
+            "    hs_timeout=%%d-%%d    default: (library default: 1000-60000)\n"      \
+            "                        range of DTLS handshake timeouts in millisecs\n" \
+            "    mtu=%%d              default: (library default: unlimited)\n"        \
+            "    dgram_packing=%%d    default: 1 (allowed)\n"                         \
+            "                        allow or forbid packing of multiple\n"           \
+            "                        records within a single datgram.\n"
+#    else
+#        define USAGE_DTLS ""
+#    endif
 
-#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-#define USAGE_EMS \
-    "    extended_ms=0/1     default: (library default: on)\n"
-#else
-#define USAGE_EMS ""
-#endif
+#    if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+#        define USAGE_EMS \
+            "    extended_ms=0/1     default: (library default: on)\n"
+#    else
+#        define USAGE_EMS ""
+#    endif
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-#define USAGE_ETM \
-    "    etm=0/1             default: (library default: on)\n"
-#else
-#define USAGE_ETM ""
-#endif
+#    if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#        define USAGE_ETM \
+            "    etm=0/1             default: (library default: on)\n"
+#    else
+#        define USAGE_ETM ""
+#    endif
 
-#define USAGE_REPRODUCIBLE \
-    "    reproducible=0/1     default: 0 (disabled)\n"
+#    define USAGE_REPRODUCIBLE \
+        "    reproducible=0/1     default: 0 (disabled)\n"
 
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-#define USAGE_RENEGO \
-    "    renegotiation=%%d    default: 0 (disabled)\n"      \
-    "    renegotiate=%%d      default: 0 (disabled)\n"
-#else
-#define USAGE_RENEGO ""
-#endif
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+#        define USAGE_RENEGO                                   \
+            "    renegotiation=%%d    default: 0 (disabled)\n" \
+            "    renegotiate=%%d      default: 0 (disabled)\n"
+#    else
+#        define USAGE_RENEGO ""
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-#define USAGE_ECJPAKE \
-    "    ecjpake_pw=%%s       default: none (disabled)\n"
-#else
-#define USAGE_ECJPAKE ""
-#endif
+#    if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+#        define USAGE_ECJPAKE \
+            "    ecjpake_pw=%%s       default: none (disabled)\n"
+#    else
+#        define USAGE_ECJPAKE ""
+#    endif
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-#define USAGE_ECRESTART \
-    "    ec_max_ops=%%s       default: library default (restart disabled)\n"
-#else
-#define USAGE_ECRESTART ""
-#endif
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+#        define USAGE_ECRESTART \
+            "    ec_max_ops=%%s       default: library default (restart disabled)\n"
+#    else
+#        define USAGE_ECRESTART ""
+#    endif
 
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-#define USAGE_SERIALIZATION \
-    "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"     \
-    "                        options: 1 (serialize)\n"                         \
-    "                                 2 (serialize with re-initialization)\n"  \
-    "    context_file=%%s     The file path to write a serialized connection\n"\
-    "                        in the form of base64 code (serialize option\n"   \
-    "                        must be set)\n"                                   \
-    "                         default: \"\" (do nothing)\n"                    \
-    "                         option: a file path\n"
-#else
-#define USAGE_SERIALIZATION ""
-#endif
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#        define USAGE_SERIALIZATION                                                     \
+            "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"      \
+            "                        options: 1 (serialize)\n"                          \
+            "                                 2 (serialize with re-initialization)\n"   \
+            "    context_file=%%s     The file path to write a serialized connection\n" \
+            "                        in the form of base64 code (serialize option\n"    \
+            "                        must be set)\n"                                    \
+            "                         default: \"\" (do nothing)\n"                     \
+            "                         option: a file path\n"
+#    else
+#        define USAGE_SERIALIZATION ""
+#    endif
 
 /* USAGE is arbitrarily split to stay under the portable string literal
  * length limit: 4095 bytes in C99. */
-#define USAGE1 \
-    "\n usage: ssl_client2 param=<>...\n"                   \
-    "\n acceptable parameters:\n"                           \
-    "    server_name=%%s      default: localhost\n"         \
-    "    server_addr=%%s      default: given by name\n"     \
-    "    server_port=%%d      default: 4433\n"              \
-    "    request_page=%%s     default: \".\"\n"             \
-    "    request_size=%%d     default: about 34 (basic request)\n"           \
-    "                        (minimum: 0, max: " MAX_REQUEST_SIZE_STR ")\n"  \
-    "                        If 0, in the first exchange only an empty\n"    \
-    "                        application data message is sent followed by\n" \
-    "                        a second non-empty message before attempting\n" \
-    "                        to read a response from the server\n"           \
-    "    debug_level=%%d      default: 0 (disabled)\n"             \
-    "    nbio=%%d             default: 0 (blocking I/O)\n"         \
-    "                        options: 1 (non-blocking), 2 (added delays)\n"   \
-    "    event=%%d            default: 0 (loop)\n"                            \
-    "                        options: 1 (level-triggered, implies nbio=1),\n" \
-    "    read_timeout=%%d     default: 0 ms (no timeout)\n"        \
-    "    max_resend=%%d       default: 0 (no resend on timeout)\n" \
-    "    skip_close_notify=%%d default: 0 (send close_notify)\n" \
-    "\n"                                                    \
-    USAGE_DTLS                                              \
-    USAGE_CID                                               \
-    USAGE_SRTP                                              \
-    "\n"
-#define USAGE2 \
-    "    auth_mode=%%s        default: (library default: none)\n" \
-    "                        options: none, optional, required\n" \
-    USAGE_IO                                                \
-    USAGE_KEY_OPAQUE                                        \
-    USAGE_CA_CALLBACK                                       \
-    "\n"                                                    \
-    USAGE_PSK                                               \
-    USAGE_ECJPAKE                                           \
-    USAGE_ECRESTART                                         \
-    "\n"
-#define USAGE3 \
-    "    allow_legacy=%%d     default: (library default: no)\n"   \
-    USAGE_RENEGO                                            \
-    "    exchanges=%%d        default: 1\n"                 \
-    "    reconnect=%%d        number of reconnections using session resumption\n" \
-    "                        default: 0 (disabled)\n"      \
-    "    reco_delay=%%d       default: 0 seconds\n"         \
-    "    reco_mode=%%d        0: copy session, 1: serialize session\n" \
-    "                        default: 1\n"      \
-    "    reconnect_hard=%%d   default: 0 (disabled)\n"      \
-    USAGE_TICKETS                                           \
-    USAGE_EAP_TLS                                           \
-    USAGE_MAX_FRAG_LEN                                      \
-    USAGE_CONTEXT_CRT_CB                                    \
-    USAGE_ALPN                                              \
-    USAGE_EMS                                               \
-    USAGE_ETM                                               \
-    USAGE_REPRODUCIBLE                                      \
-    USAGE_CURVES                                            \
-    USAGE_DHMLEN                                            \
-    "\n"
-#define USAGE4 \
-    "    allow_sha1=%%d       default: 0\n"                             \
-    "    min_version=%%s      default: (library default: tls1_2)\n"       \
-    "    max_version=%%s      default: (library default: tls1_2)\n"     \
-    "    force_version=%%s    default: \"\" (none)\n"       \
-    "                        options: tls1_2, dtls1_2\n" \
-    "\n"                                                    \
-    "    force_ciphersuite=<name>    default: all enabled\n"\
-    "    query_config=<name>         return 0 if the specified\n"       \
-    "                                configuration macro is defined and 1\n"  \
-    "                                otherwise. The expansion of the macro\n" \
-    "                                is printed if it is defined\n"     \
-    USAGE_SERIALIZATION                                     \
-    " acceptable ciphersuite names:\n"
+#    define USAGE1                                                                \
+        "\n usage: ssl_client2 param=<>...\n"                                     \
+        "\n acceptable parameters:\n"                                             \
+        "    server_name=%%s      default: localhost\n"                           \
+        "    server_addr=%%s      default: given by name\n"                       \
+        "    server_port=%%d      default: 4433\n"                                \
+        "    request_page=%%s     default: \".\"\n"                               \
+        "    request_size=%%d     default: about 34 (basic request)\n"            \
+        "                        (minimum: 0, max: " MAX_REQUEST_SIZE_STR         \
+        ")\n"                                                                     \
+        "                        If 0, in the first exchange only an empty\n"     \
+        "                        application data message is sent followed by\n"  \
+        "                        a second non-empty message before attempting\n"  \
+        "                        to read a response from the server\n"            \
+        "    debug_level=%%d      default: 0 (disabled)\n"                        \
+        "    nbio=%%d             default: 0 (blocking I/O)\n"                    \
+        "                        options: 1 (non-blocking), 2 (added delays)\n"   \
+        "    event=%%d            default: 0 (loop)\n"                            \
+        "                        options: 1 (level-triggered, implies nbio=1),\n" \
+        "    read_timeout=%%d     default: 0 ms (no timeout)\n"                   \
+        "    max_resend=%%d       default: 0 (no resend on timeout)\n"            \
+        "    skip_close_notify=%%d default: 0 (send close_notify)\n"              \
+        "\n" USAGE_DTLS USAGE_CID USAGE_SRTP "\n"
+#    define USAGE2                                                             \
+        "    auth_mode=%%s        default: (library default: none)\n"          \
+        "                        options: none, optional, required\n" USAGE_IO \
+            USAGE_KEY_OPAQUE USAGE_CA_CALLBACK                                 \
+        "\n" USAGE_PSK USAGE_ECJPAKE USAGE_ECRESTART "\n"
+#    define USAGE3                                                                    \
+        "    allow_legacy=%%d     default: (library default: no)\n" USAGE_RENEGO      \
+        "    exchanges=%%d        default: 1\n"                                       \
+        "    reconnect=%%d        number of reconnections using session resumption\n" \
+        "                        default: 0 (disabled)\n"                             \
+        "    reco_delay=%%d       default: 0 seconds\n"                               \
+        "    reco_mode=%%d        0: copy session, 1: serialize session\n"            \
+        "                        default: 1\n"                                        \
+        "    reconnect_hard=%%d   default: 0 (disabled)\n" USAGE_TICKETS              \
+            USAGE_EAP_TLS USAGE_MAX_FRAG_LEN USAGE_CONTEXT_CRT_CB USAGE_ALPN          \
+                USAGE_EMS USAGE_ETM USAGE_REPRODUCIBLE USAGE_CURVES                   \
+                    USAGE_DHMLEN "\n"
+#    define USAGE4                                                                          \
+        "    allow_sha1=%%d       default: 0\n"                                             \
+        "    min_version=%%s      default: (library default: tls1_2)\n"                     \
+        "    max_version=%%s      default: (library default: tls1_2)\n"                     \
+        "    force_version=%%s    default: \"\" (none)\n"                                   \
+        "                        options: tls1_2, dtls1_2\n"                                \
+        "\n"                                                                                \
+        "    force_ciphersuite=<name>    default: all enabled\n"                            \
+        "    query_config=<name>         return 0 if the specified\n"                       \
+        "                                configuration macro is defined and 1\n"            \
+        "                                otherwise. The expansion of the macro\n"           \
+        "                                is printed if it is defined\n" USAGE_SERIALIZATION \
+        " acceptable ciphersuite names:\n"
 
-#define ALPN_LIST_SIZE  10
-#define CURVE_LIST_SIZE 20
-
+#    define ALPN_LIST_SIZE  10
+#    define CURVE_LIST_SIZE 20
 
 /*
  * global options
  */
-struct options
-{
-    const char *server_name;    /* hostname of the server (client only)     */
-    const char *server_addr;    /* address of the server (client only)      */
-    const char *server_port;    /* port on which the ssl service runs       */
-    int debug_level;            /* level of debugging                       */
-    int nbio;                   /* should I/O be blocking?                  */
-    int event;                  /* loop or event-driven IO? level or edge triggered? */
-    uint32_t read_timeout;      /* timeout on mbedtls_ssl_read() in milliseconds     */
-    int max_resend;             /* DTLS times to resend on read timeout     */
-    const char *request_page;   /* page on server to request                */
-    int request_size;           /* pad request with header to requested size */
-    const char *ca_file;        /* the file with the CA certificate(s)      */
-    const char *ca_path;        /* the path with the CA certificate(s) reside */
-    const char *crt_file;       /* the file with the client certificate     */
-    const char *key_file;       /* the file with the client key             */
-    int key_opaque;             /* handle private key as if it were opaque  */
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+struct options {
+    const char *server_name; /* hostname of the server (client only)     */
+    const char *server_addr; /* address of the server (client only)      */
+    const char *server_port; /* port on which the ssl service runs       */
+    int debug_level; /* level of debugging                       */
+    int nbio; /* should I/O be blocking?                  */
+    int event; /* loop or event-driven IO? level or edge triggered? */
+    uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */
+    int max_resend; /* DTLS times to resend on read timeout     */
+    const char *request_page; /* page on server to request                */
+    int request_size; /* pad request with header to requested size */
+    const char *ca_file; /* the file with the CA certificate(s)      */
+    const char *ca_path; /* the path with the CA certificate(s) reside */
+    const char *crt_file; /* the file with the client certificate     */
+    const char *key_file; /* the file with the client key             */
+    int key_opaque; /* handle private key as if it were opaque  */
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     int psk_opaque;
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-    int ca_callback;            /* Use callback for trusted certificate list */
-#endif
-    const char *key_pwd;        /* the password for the client key          */
-    const char *psk;            /* the pre-shared key                       */
-    const char *psk_identity;   /* the pre-shared key identity              */
-    const char *ecjpake_pw;     /* the EC J-PAKE password                   */
-    int ec_max_ops;             /* EC consecutive operations limit          */
-    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
-    int renegotiation;          /* enable / disable renegotiation           */
-    int allow_legacy;           /* allow legacy renegotiation               */
-    int renegotiate;            /* attempt renegotiation?                   */
-    int renego_delay;           /* delay before enforcing renegotiation     */
-    int exchanges;              /* number of data exchanges                 */
-    int min_version;            /* minimum protocol version accepted        */
-    int max_version;            /* maximum protocol version accepted        */
-    int allow_sha1;             /* flag for SHA-1 support                   */
-    int auth_mode;              /* verify mode for connection               */
-    unsigned char mfl_code;     /* code for maximum fragment length         */
-    int trunc_hmac;             /* negotiate truncated hmac or not          */
-    int recsplit;               /* enable record splitting?                 */
-    int dhmlen;                 /* minimum DHM params len in bits           */
-    int reconnect;              /* attempt to resume session                */
-    int reco_delay;             /* delay in seconds before resuming session */
-    int reco_mode;              /* how to keep the session around           */
-    int reconnect_hard;         /* unexpectedly reconnect from the same port */
-    int tickets;                /* enable / disable session tickets         */
-    const char *curves;         /* list of supported elliptic curves        */
-    const char *alpn_string;    /* ALPN supported protocols                 */
-    int transport;              /* TLS or DTLS?                             */
-    uint32_t hs_to_min;         /* Initial value of DTLS handshake timer    */
-    uint32_t hs_to_max;         /* Max value of DTLS handshake timer        */
-    int dtls_mtu;               /* UDP Maximum tranport unit for DTLS       */
-    int fallback;               /* is this a fallback connection?           */
-    int dgram_packing;          /* allow/forbid datagram packing            */
-    int extended_ms;            /* negotiate extended master secret?        */
-    int etm;                    /* negotiate encrypt then mac?              */
-    int context_crt_cb;         /* use context-specific CRT verify callback */
-    int eap_tls;                /* derive EAP-TLS keying material?          */
-    int nss_keylog;             /* export NSS key log material              */
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    int ca_callback; /* Use callback for trusted certificate list */
+#    endif
+    const char *key_pwd; /* the password for the client key          */
+    const char *psk; /* the pre-shared key                       */
+    const char *psk_identity; /* the pre-shared key identity              */
+    const char *ecjpake_pw; /* the EC J-PAKE password                   */
+    int ec_max_ops; /* EC consecutive operations limit          */
+    int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all      */
+    int renegotiation; /* enable / disable renegotiation           */
+    int allow_legacy; /* allow legacy renegotiation               */
+    int renegotiate; /* attempt renegotiation?                   */
+    int renego_delay; /* delay before enforcing renegotiation     */
+    int exchanges; /* number of data exchanges                 */
+    int min_version; /* minimum protocol version accepted        */
+    int max_version; /* maximum protocol version accepted        */
+    int allow_sha1; /* flag for SHA-1 support                   */
+    int auth_mode; /* verify mode for connection               */
+    unsigned char mfl_code; /* code for maximum fragment length         */
+    int trunc_hmac; /* negotiate truncated hmac or not          */
+    int recsplit; /* enable record splitting?                 */
+    int dhmlen; /* minimum DHM params len in bits           */
+    int reconnect; /* attempt to resume session                */
+    int reco_delay; /* delay in seconds before resuming session */
+    int reco_mode; /* how to keep the session around           */
+    int reconnect_hard; /* unexpectedly reconnect from the same port */
+    int tickets; /* enable / disable session tickets         */
+    const char *curves; /* list of supported elliptic curves        */
+    const char *alpn_string; /* ALPN supported protocols                 */
+    int transport; /* TLS or DTLS?                             */
+    uint32_t hs_to_min; /* Initial value of DTLS handshake timer    */
+    uint32_t hs_to_max; /* Max value of DTLS handshake timer        */
+    int dtls_mtu; /* UDP Maximum tranport unit for DTLS       */
+    int fallback; /* is this a fallback connection?           */
+    int dgram_packing; /* allow/forbid datagram packing            */
+    int extended_ms; /* negotiate extended master secret?        */
+    int etm; /* negotiate encrypt then mac?              */
+    int context_crt_cb; /* use context-specific CRT verify callback */
+    int eap_tls; /* derive EAP-TLS keying material?          */
+    int nss_keylog; /* export NSS key log material              */
     const char *nss_keylog_file; /* NSS key log file                        */
-    int cid_enabled;            /* whether to use the CID extension or not  */
-    int cid_enabled_renego;     /* whether to use the CID extension or not
-                                 * during renegotiation                     */
-    const char *cid_val;        /* the CID to use for incoming messages     */
-    int serialize;              /* serialize/deserialize connection         */
-    const char *context_file;   /* the file to write a serialized connection
-                                 * in the form of base64 code (serialize
-                                 * option must be set)                      */
+    int cid_enabled; /* whether to use the CID extension or not  */
+    int cid_enabled_renego; /* whether to use the CID extension or not
+                             * during renegotiation                     */
+    const char *cid_val; /* the CID to use for incoming messages     */
+    int serialize; /* serialize/deserialize connection         */
+    const char *context_file; /* the file to write a serialized connection
+                               * in the form of base64 code (serialize
+                               * option must be set)                      */
     const char *cid_val_renego; /* the CID to use for incoming messages
                                  * after renegotiation                      */
-    int reproducible;           /* make communication reproducible          */
-    int skip_close_notify;      /* skip sending the close_notify alert      */
-    int query_config_mode;      /* whether to read config                   */
-    int use_srtp;               /* Support SRTP                             */
-    int force_srtp_profile;     /* SRTP protection profile to use or all    */
-    const char *mki;            /* The dtls mki value to use                */
+    int reproducible; /* make communication reproducible          */
+    int skip_close_notify; /* skip sending the close_notify alert      */
+    int query_config_mode; /* whether to read config                   */
+    int use_srtp; /* Support SRTP                             */
+    int force_srtp_profile; /* SRTP protection profile to use or all    */
+    const char *mki; /* The dtls mki value to use                */
 } opt;
 
-#include "ssl_test_common_source.c"
+#    include "ssl_test_common_source.c"
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
 static unsigned char peer_crt_info[1024];
 
 /*
  * Enabled if debug_level > 1 in code below
  */
-static int my_verify( void *data, mbedtls_x509_crt *crt,
-                      int depth, uint32_t *flags )
+static int
+my_verify(void *data, mbedtls_x509_crt *crt, int depth, uint32_t *flags)
 {
     char buf[1024];
-    ((void) data);
+    ((void)data);
 
-    mbedtls_printf( "\nVerify requested for (Depth %d):\n", depth );
+    mbedtls_printf("\nVerify requested for (Depth %d):\n", depth);
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-    if( depth == 0 )
-        memcpy( peer_crt_info, buf, sizeof( buf ) );
+#        if !defined(MBEDTLS_X509_REMOVE_INFO)
+    mbedtls_x509_crt_info(buf, sizeof(buf) - 1, "", crt);
+    if (depth == 0)
+        memcpy(peer_crt_info, buf, sizeof(buf));
 
-    if( opt.debug_level == 0 )
-        return 0 ;
+    if (opt.debug_level == 0)
+        return 0;
 
-    mbedtls_printf( "%s", buf );
-#else
-    ((void) crt);
-    ((void) depth);
-#endif
+    mbedtls_printf("%s", buf);
+#        else
+    ((void)crt);
+    ((void)depth);
+#        endif
 
-    if ( ( *flags ) == 0 )
-        mbedtls_printf( "  This certificate has no flags\n" );
-    else
-    {
-        x509_crt_verify_info( buf, sizeof( buf ), "  ! ", *flags );
-        mbedtls_printf( "%s\n", buf );
+    if ((*flags) == 0)
+        mbedtls_printf("  This certificate has no flags\n");
+    else {
+        x509_crt_verify_info(buf, sizeof(buf), "  ! ", *flags);
+        mbedtls_printf("%s\n", buf);
     }
 
-    return 0 ;
+    return 0;
 }
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-int report_cid_usage( mbedtls_ssl_context *ssl,
-                      const char *additional_description )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+int report_cid_usage(mbedtls_ssl_context *ssl,
+                     const char *additional_description)
 {
     int ret;
-    unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+    unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX];
     size_t peer_cid_len;
     int cid_negotiated;
 
-    if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        return 0 ;
+    if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM)
+        return 0;
 
     /* Check if the use of a CID has been negotiated,
      * but don't ask for the CID value and length.
@@ -560,64 +535,58 @@
      *
      *       An actual application, however, should use
      *       just one call to mbedtls_ssl_get_peer_cid(). */
-    ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                    NULL, NULL );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                        (unsigned int) -ret );
-        return ret ;
+    ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, NULL, NULL);
+    if (ret != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+            (unsigned int)-ret);
+        return ret;
     }
 
-    if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
-    {
-        if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
-        {
-            mbedtls_printf( "(%s) Use of Connection ID was rejected by the server.\n",
-                            additional_description );
+    if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) {
+        if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) {
+            mbedtls_printf(
+                "(%s) Use of Connection ID was rejected by the server.\n",
+                additional_description);
         }
-    }
-    else
-    {
-        size_t idx=0;
-        mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
-                        additional_description );
+    } else {
+        size_t idx = 0;
+        mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n",
+                       additional_description);
 
         /* Ask for just the length of the peer's CID. */
-        ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                        NULL, &peer_cid_len );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                            (unsigned int) -ret );
-            return ret ;
+        ret =
+            mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, NULL, &peer_cid_len);
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                (unsigned int)-ret);
+            return ret;
         }
 
         /* Ask for just length + value of the peer's CID. */
-        ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                        peer_cid, &peer_cid_len );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                            (unsigned int) -ret );
-            return ret ;
+        ret = mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, peer_cid,
+                                       &peer_cid_len);
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+                (unsigned int)-ret);
+            return ret;
         }
-        mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
-                        additional_description,
-                        (unsigned) peer_cid_len );
-        while( idx < peer_cid_len )
-        {
-            mbedtls_printf( "%02x ", peer_cid[ idx ] );
+        mbedtls_printf("(%s) Peer CID (length %u Bytes): ",
+                       additional_description, (unsigned)peer_cid_len);
+        while (idx < peer_cid_len) {
+            mbedtls_printf("%02x ", peer_cid[idx]);
             idx++;
         }
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
     }
 
-    return 0 ;
+    return 0;
 }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 0, len, tail_len, i, written, frags, retry_left;
     int query_config_ret = 0;
@@ -626,363 +595,331 @@
 
     unsigned char buf[MAX_REQUEST_SIZE + 1];
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
     unsigned char psk[MBEDTLS_PSK_MAX_LEN];
     size_t psk_len = 0;
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
     unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
     size_t cid_len = 0;
     size_t cid_renego_len = 0;
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
+#    if defined(MBEDTLS_SSL_ALPN)
     const char *alpn_list[ALPN_LIST_SIZE];
-#endif
+#    endif
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     unsigned char alloc_buf[MEMORY_HEAP_SIZE];
-#endif
+#    endif
 
-#if defined(MBEDTLS_ECP_C)
+#    if defined(MBEDTLS_ECP_C)
     mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE];
     const mbedtls_ecp_curve_info *curve_cur;
-#endif
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
+#    endif
+#    if defined(MBEDTLS_SSL_DTLS_SRTP)
     unsigned char mki[MBEDTLS_TLS_SRTP_MAX_MKI_LENGTH];
-    size_t mki_len=0;
-#endif
+    size_t mki_len = 0;
+#    endif
 
     const char *pers = "ssl_client2";
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_key_id_t slot = 0;
     psa_algorithm_t alg = 0;
     psa_key_attributes_t key_attributes;
     psa_status_t status;
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
-#endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_profile crt_profile_for_test =
+        mbedtls_x509_crt_profile_default;
+#    endif
     rng_context_t rng;
     mbedtls_ssl_context ssl;
     mbedtls_ssl_config conf;
     mbedtls_ssl_session saved_session;
     unsigned char *session_data = NULL;
     size_t session_data_len = 0;
-#if defined(MBEDTLS_TIMING_C)
+#    if defined(MBEDTLS_TIMING_C)
     mbedtls_timing_delay_context timer;
-#endif
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     uint32_t flags;
     mbedtls_x509_crt cacert;
     mbedtls_x509_crt clicert;
     mbedtls_pk_context pkey;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_key_id_t key_slot = 0; /* invalid key slot */
-#endif
-#endif  /* MBEDTLS_X509_CRT_PARSE_C */
+#        endif
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
     char *p, *q;
     const int *list;
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
     unsigned char *context_buf = NULL;
     size_t context_buf_len;
-#endif
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#    endif
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
     unsigned char eap_tls_keymaterial[16];
     unsigned char eap_tls_iv[8];
-    const char* eap_tls_label = "client EAP encryption";
+    const char *eap_tls_label = "client EAP encryption";
     eap_tls_keys eap_tls_keying;
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
     /*! master keys and master salt for SRTP generated during handshake */
-    unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
-    const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+    unsigned char
+        dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
+    const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp";
     dtls_srtp_keys dtls_srtp_keying;
     const mbedtls_ssl_srtp_profile default_profiles[] = {
         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
-        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
-        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
+        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
         MBEDTLS_TLS_SRTP_UNSET
     };
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
-#endif
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
+#    endif
 
-#if defined(MBEDTLS_TEST_HOOKS)
-    test_hooks_init( );
-#endif /* MBEDTLS_TEST_HOOKS */
+#    if defined(MBEDTLS_TEST_HOOKS)
+    test_hooks_init();
+#    endif /* MBEDTLS_TEST_HOOKS */
 
     /*
      * Make sure memory references are valid.
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
-    rng_init( &rng );
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &clicert );
-    mbedtls_pk_init( &pkey );
-#endif
-#if defined(MBEDTLS_SSL_ALPN)
-    memset( (void * ) alpn_list, 0, sizeof( alpn_list ) );
-#endif
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    memset(&saved_session, 0, sizeof(mbedtls_ssl_session));
+    rng_init(&rng);
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&clicert);
+    mbedtls_pk_init(&pkey);
+#    endif
+#    if defined(MBEDTLS_SSL_ALPN)
+    memset((void *)alpn_list, 0, sizeof(alpn_list));
+#    endif
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     status = psa_crypto_init();
-    if( status != PSA_SUCCESS )
-    {
-        mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
-                         (int) status );
+    if (status != PSA_SUCCESS) {
+        mbedtls_fprintf(stderr,
+                        "Failed to initialize PSA Crypto implementation: %d\n",
+                        (int)status);
         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         goto exit;
     }
-#endif  /* MBEDTLS_USE_PSA_CRYPTO */
-#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
-    mbedtls_test_enable_insecure_external_rng( );
-#endif  /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+    mbedtls_test_enable_insecure_external_rng();
+#    endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
 
-    if( argc == 0 )
-    {
-    usage:
-        if( ret == 0 )
+    if (argc == 0) {
+usage:
+        if (ret == 0)
             ret = 1;
 
-        mbedtls_printf( USAGE1 );
-        mbedtls_printf( USAGE2 );
-        mbedtls_printf( USAGE3 );
-        mbedtls_printf( USAGE4 );
+        mbedtls_printf(USAGE1);
+        mbedtls_printf(USAGE2);
+        mbedtls_printf(USAGE3);
+        mbedtls_printf(USAGE4);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
-            if( !*list )
+            if (!*list)
                 break;
-            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
         goto exit;
     }
 
-    opt.server_name         = DFL_SERVER_NAME;
-    opt.server_addr         = DFL_SERVER_ADDR;
-    opt.server_port         = DFL_SERVER_PORT;
-    opt.debug_level         = DFL_DEBUG_LEVEL;
-    opt.cid_enabled         = DFL_CID_ENABLED;
-    opt.cid_val             = DFL_CID_VALUE;
-    opt.cid_enabled_renego  = DFL_CID_ENABLED_RENEGO;
-    opt.cid_val_renego      = DFL_CID_VALUE_RENEGO;
-    opt.nbio                = DFL_NBIO;
-    opt.event               = DFL_EVENT;
-    opt.context_crt_cb      = DFL_CONTEXT_CRT_CB;
-    opt.read_timeout        = DFL_READ_TIMEOUT;
-    opt.max_resend          = DFL_MAX_RESEND;
-    opt.request_page        = DFL_REQUEST_PAGE;
-    opt.request_size        = DFL_REQUEST_SIZE;
-    opt.ca_file             = DFL_CA_FILE;
-    opt.ca_path             = DFL_CA_PATH;
-    opt.crt_file            = DFL_CRT_FILE;
-    opt.key_file            = DFL_KEY_FILE;
-    opt.key_opaque          = DFL_KEY_OPAQUE;
-    opt.key_pwd             = DFL_KEY_PWD;
-    opt.psk                 = DFL_PSK;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    opt.psk_opaque          = DFL_PSK_OPAQUE;
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-    opt.ca_callback         = DFL_CA_CALLBACK;
-#endif
-    opt.psk_identity        = DFL_PSK_IDENTITY;
-    opt.ecjpake_pw          = DFL_ECJPAKE_PW;
-    opt.ec_max_ops          = DFL_EC_MAX_OPS;
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
-    opt.renegotiation       = DFL_RENEGOTIATION;
-    opt.allow_legacy        = DFL_ALLOW_LEGACY;
-    opt.renegotiate         = DFL_RENEGOTIATE;
-    opt.exchanges           = DFL_EXCHANGES;
-    opt.min_version         = DFL_MIN_VERSION;
-    opt.max_version         = DFL_MAX_VERSION;
-    opt.allow_sha1          = DFL_SHA1;
-    opt.auth_mode           = DFL_AUTH_MODE;
-    opt.mfl_code            = DFL_MFL_CODE;
-    opt.trunc_hmac          = DFL_TRUNC_HMAC;
-    opt.recsplit            = DFL_RECSPLIT;
-    opt.dhmlen              = DFL_DHMLEN;
-    opt.reconnect           = DFL_RECONNECT;
-    opt.reco_delay          = DFL_RECO_DELAY;
-    opt.reco_mode           = DFL_RECO_MODE;
-    opt.reconnect_hard      = DFL_RECONNECT_HARD;
-    opt.tickets             = DFL_TICKETS;
-    opt.alpn_string         = DFL_ALPN_STRING;
-    opt.curves              = DFL_CURVES;
-    opt.transport           = DFL_TRANSPORT;
-    opt.hs_to_min           = DFL_HS_TO_MIN;
-    opt.hs_to_max           = DFL_HS_TO_MAX;
-    opt.dtls_mtu            = DFL_DTLS_MTU;
-    opt.fallback            = DFL_FALLBACK;
-    opt.extended_ms         = DFL_EXTENDED_MS;
-    opt.etm                 = DFL_ETM;
-    opt.dgram_packing       = DFL_DGRAM_PACKING;
-    opt.serialize           = DFL_SERIALIZE;
-    opt.context_file        = DFL_CONTEXT_FILE;
-    opt.eap_tls             = DFL_EAP_TLS;
-    opt.reproducible        = DFL_REPRODUCIBLE;
-    opt.nss_keylog          = DFL_NSS_KEYLOG;
-    opt.nss_keylog_file     = DFL_NSS_KEYLOG_FILE;
-    opt.skip_close_notify   = DFL_SKIP_CLOSE_NOTIFY;
-    opt.query_config_mode   = DFL_QUERY_CONFIG_MODE;
-    opt.use_srtp            = DFL_USE_SRTP;
-    opt.force_srtp_profile  = DFL_SRTP_FORCE_PROFILE;
-    opt.mki                 = DFL_SRTP_MKI;
+    opt.server_name = DFL_SERVER_NAME;
+    opt.server_addr = DFL_SERVER_ADDR;
+    opt.server_port = DFL_SERVER_PORT;
+    opt.debug_level = DFL_DEBUG_LEVEL;
+    opt.cid_enabled = DFL_CID_ENABLED;
+    opt.cid_val = DFL_CID_VALUE;
+    opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
+    opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
+    opt.nbio = DFL_NBIO;
+    opt.event = DFL_EVENT;
+    opt.context_crt_cb = DFL_CONTEXT_CRT_CB;
+    opt.read_timeout = DFL_READ_TIMEOUT;
+    opt.max_resend = DFL_MAX_RESEND;
+    opt.request_page = DFL_REQUEST_PAGE;
+    opt.request_size = DFL_REQUEST_SIZE;
+    opt.ca_file = DFL_CA_FILE;
+    opt.ca_path = DFL_CA_PATH;
+    opt.crt_file = DFL_CRT_FILE;
+    opt.key_file = DFL_KEY_FILE;
+    opt.key_opaque = DFL_KEY_OPAQUE;
+    opt.key_pwd = DFL_KEY_PWD;
+    opt.psk = DFL_PSK;
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    opt.psk_opaque = DFL_PSK_OPAQUE;
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    opt.ca_callback = DFL_CA_CALLBACK;
+#    endif
+    opt.psk_identity = DFL_PSK_IDENTITY;
+    opt.ecjpake_pw = DFL_ECJPAKE_PW;
+    opt.ec_max_ops = DFL_EC_MAX_OPS;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
+    opt.renegotiation = DFL_RENEGOTIATION;
+    opt.allow_legacy = DFL_ALLOW_LEGACY;
+    opt.renegotiate = DFL_RENEGOTIATE;
+    opt.exchanges = DFL_EXCHANGES;
+    opt.min_version = DFL_MIN_VERSION;
+    opt.max_version = DFL_MAX_VERSION;
+    opt.allow_sha1 = DFL_SHA1;
+    opt.auth_mode = DFL_AUTH_MODE;
+    opt.mfl_code = DFL_MFL_CODE;
+    opt.trunc_hmac = DFL_TRUNC_HMAC;
+    opt.recsplit = DFL_RECSPLIT;
+    opt.dhmlen = DFL_DHMLEN;
+    opt.reconnect = DFL_RECONNECT;
+    opt.reco_delay = DFL_RECO_DELAY;
+    opt.reco_mode = DFL_RECO_MODE;
+    opt.reconnect_hard = DFL_RECONNECT_HARD;
+    opt.tickets = DFL_TICKETS;
+    opt.alpn_string = DFL_ALPN_STRING;
+    opt.curves = DFL_CURVES;
+    opt.transport = DFL_TRANSPORT;
+    opt.hs_to_min = DFL_HS_TO_MIN;
+    opt.hs_to_max = DFL_HS_TO_MAX;
+    opt.dtls_mtu = DFL_DTLS_MTU;
+    opt.fallback = DFL_FALLBACK;
+    opt.extended_ms = DFL_EXTENDED_MS;
+    opt.etm = DFL_ETM;
+    opt.dgram_packing = DFL_DGRAM_PACKING;
+    opt.serialize = DFL_SERIALIZE;
+    opt.context_file = DFL_CONTEXT_FILE;
+    opt.eap_tls = DFL_EAP_TLS;
+    opt.reproducible = DFL_REPRODUCIBLE;
+    opt.nss_keylog = DFL_NSS_KEYLOG;
+    opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE;
+    opt.skip_close_notify = DFL_SKIP_CLOSE_NOTIFY;
+    opt.query_config_mode = DFL_QUERY_CONFIG_MODE;
+    opt.use_srtp = DFL_USE_SRTP;
+    opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE;
+    opt.mki = DFL_SRTP_MKI;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL)
             goto usage;
         *q++ = '\0';
 
-        if( strcmp( p, "server_name" ) == 0 )
+        if (strcmp(p, "server_name") == 0)
             opt.server_name = q;
-        else if( strcmp( p, "server_addr" ) == 0 )
+        else if (strcmp(p, "server_addr") == 0)
             opt.server_addr = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        else if (strcmp(p, "server_port") == 0)
             opt.server_port = q;
-        else if( strcmp( p, "dtls" ) == 0 )
-        {
-            int t = atoi( q );
-            if( t == 0 )
+        else if (strcmp(p, "dtls") == 0) {
+            int t = atoi(q);
+            if (t == 0)
                 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
-            else if( t == 1 )
+            else if (t == 1)
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535)
                 goto usage;
-        }
-        else if( strcmp( p, "context_crt_cb" ) == 0 )
-        {
-            opt.context_crt_cb = atoi( q );
-            if( opt.context_crt_cb != 0 && opt.context_crt_cb != 1 )
+        } else if (strcmp(p, "context_crt_cb") == 0) {
+            opt.context_crt_cb = atoi(q);
+            if (opt.context_crt_cb != 0 && opt.context_crt_cb != 1)
                 goto usage;
-        }
-        else if( strcmp( p, "nbio" ) == 0 )
-        {
-            opt.nbio = atoi( q );
-            if( opt.nbio < 0 || opt.nbio > 2 )
+        } else if (strcmp(p, "nbio") == 0) {
+            opt.nbio = atoi(q);
+            if (opt.nbio < 0 || opt.nbio > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "event" ) == 0 )
-        {
-            opt.event = atoi( q );
-            if( opt.event < 0 || opt.event > 2 )
+        } else if (strcmp(p, "event") == 0) {
+            opt.event = atoi(q);
+            if (opt.event < 0 || opt.event > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "read_timeout" ) == 0 )
-            opt.read_timeout = atoi( q );
-        else if( strcmp( p, "max_resend" ) == 0 )
-        {
-            opt.max_resend = atoi( q );
-            if( opt.max_resend < 0 )
+        } else if (strcmp(p, "read_timeout") == 0)
+            opt.read_timeout = atoi(q);
+        else if (strcmp(p, "max_resend") == 0) {
+            opt.max_resend = atoi(q);
+            if (opt.max_resend < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "request_page" ) == 0 )
+        } else if (strcmp(p, "request_page") == 0)
             opt.request_page = q;
-        else if( strcmp( p, "request_size" ) == 0 )
-        {
-            opt.request_size = atoi( q );
-            if( opt.request_size < 0 ||
-                opt.request_size > MAX_REQUEST_SIZE )
+        else if (strcmp(p, "request_size") == 0) {
+            opt.request_size = atoi(q);
+            if (opt.request_size < 0 || opt.request_size > MAX_REQUEST_SIZE)
                 goto usage;
-        }
-        else if( strcmp( p, "ca_file" ) == 0 )
+        } else if (strcmp(p, "ca_file") == 0)
             opt.ca_file = q;
-        else if( strcmp( p, "ca_path" ) == 0 )
+        else if (strcmp(p, "ca_path") == 0)
             opt.ca_path = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        else if (strcmp(p, "crt_file") == 0)
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        else if (strcmp(p, "key_file") == 0)
             opt.key_file = q;
-        else if( strcmp( p, "key_pwd" ) == 0 )
+        else if (strcmp(p, "key_pwd") == 0)
             opt.key_pwd = q;
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
-        else if( strcmp( p, "key_opaque" ) == 0 )
-            opt.key_opaque = atoi( q );
-#endif
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        else if( strcmp( p, "cid" ) == 0 )
-        {
-            opt.cid_enabled = atoi( q );
-            if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+#    if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_X509_CRT_PARSE_C)
+        else if (strcmp(p, "key_opaque") == 0)
+            opt.key_opaque = atoi(q);
+#    endif
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+        else if (strcmp(p, "cid") == 0) {
+            opt.cid_enabled = atoi(q);
+            if (opt.cid_enabled != 0 && opt.cid_enabled != 1)
                 goto usage;
-        }
-        else if( strcmp( p, "cid_renego" ) == 0 )
-        {
-            opt.cid_enabled_renego = atoi( q );
-            if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+        } else if (strcmp(p, "cid_renego") == 0) {
+            opt.cid_enabled_renego = atoi(q);
+            if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1)
                 goto usage;
-        }
-        else if( strcmp( p, "cid_val" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val") == 0) {
             opt.cid_val = q;
-        }
-        else if( strcmp( p, "cid_val_renego" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val_renego") == 0) {
             opt.cid_val_renego = q;
         }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-        else if( strcmp( p, "psk" ) == 0 )
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+        else if (strcmp(p, "psk") == 0)
             opt.psk = q;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "psk_opaque" ) == 0 )
-            opt.psk_opaque = atoi( q );
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        else if( strcmp( p, "ca_callback" ) == 0)
-            opt.ca_callback = atoi( q );
-#endif
-        else if( strcmp( p, "psk_identity" ) == 0 )
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+        else if (strcmp(p, "psk_opaque") == 0)
+            opt.psk_opaque = atoi(q);
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+        else if (strcmp(p, "ca_callback") == 0)
+            opt.ca_callback = atoi(q);
+#    endif
+        else if (strcmp(p, "psk_identity") == 0)
             opt.psk_identity = q;
-        else if( strcmp( p, "ecjpake_pw" ) == 0 )
+        else if (strcmp(p, "ecjpake_pw") == 0)
             opt.ecjpake_pw = q;
-        else if( strcmp( p, "ec_max_ops" ) == 0 )
-            opt.ec_max_ops = atoi( q );
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+        else if (strcmp(p, "ec_max_ops") == 0)
+            opt.ec_max_ops = atoi(q);
+        else if (strcmp(p, "force_ciphersuite") == 0) {
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] == 0 )
-            {
+            if (opt.force_ciphersuite[0] == 0) {
                 ret = 2;
                 goto usage;
             }
             opt.force_ciphersuite[1] = 0;
-        }
-        else if( strcmp( p, "renegotiation" ) == 0 )
-        {
-            opt.renegotiation = (atoi( q )) ?
-                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
-                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
-        }
-        else if( strcmp( p, "allow_legacy" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "renegotiation") == 0) {
+            opt.renegotiation = (atoi(q)) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+                                            MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+        } else if (strcmp(p, "allow_legacy") == 0) {
+            switch (atoi(q)) {
                 case -1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
                     break;
@@ -992,1436 +929,1267 @@
                 case 1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION;
                     break;
-                default: goto usage;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "renegotiate" ) == 0 )
-        {
-            opt.renegotiate = atoi( q );
-            if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+        } else if (strcmp(p, "renegotiate") == 0) {
+            opt.renegotiate = atoi(q);
+            if (opt.renegotiate < 0 || opt.renegotiate > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "exchanges" ) == 0 )
-        {
-            opt.exchanges = atoi( q );
-            if( opt.exchanges < 1 )
+        } else if (strcmp(p, "exchanges") == 0) {
+            opt.exchanges = atoi(q);
+            if (opt.exchanges < 1)
                 goto usage;
-        }
-        else if( strcmp( p, "reconnect" ) == 0 )
-        {
-            opt.reconnect = atoi( q );
-            if( opt.reconnect < 0 || opt.reconnect > 2 )
+        } else if (strcmp(p, "reconnect") == 0) {
+            opt.reconnect = atoi(q);
+            if (opt.reconnect < 0 || opt.reconnect > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "reco_delay" ) == 0 )
-        {
-            opt.reco_delay = atoi( q );
-            if( opt.reco_delay < 0 )
+        } else if (strcmp(p, "reco_delay") == 0) {
+            opt.reco_delay = atoi(q);
+            if (opt.reco_delay < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "reco_mode" ) == 0 )
-        {
-            opt.reco_mode = atoi( q );
-            if( opt.reco_mode < 0 )
+        } else if (strcmp(p, "reco_mode") == 0) {
+            opt.reco_mode = atoi(q);
+            if (opt.reco_mode < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "reconnect_hard" ) == 0 )
-        {
-            opt.reconnect_hard = atoi( q );
-            if( opt.reconnect_hard < 0 || opt.reconnect_hard > 1 )
+        } else if (strcmp(p, "reconnect_hard") == 0) {
+            opt.reconnect_hard = atoi(q);
+            if (opt.reconnect_hard < 0 || opt.reconnect_hard > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "tickets" ) == 0 )
-        {
-            opt.tickets = atoi( q );
-            if( opt.tickets < 0 || opt.tickets > 2 )
+        } else if (strcmp(p, "tickets") == 0) {
+            opt.tickets = atoi(q);
+            if (opt.tickets < 0 || opt.tickets > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "alpn" ) == 0 )
-        {
+        } else if (strcmp(p, "alpn") == 0) {
             opt.alpn_string = q;
-        }
-        else if( strcmp( p, "extended_ms" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "extended_ms") == 0) {
+            switch (atoi(q)) {
                 case 0:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
                     break;
                 case 1:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
                     break;
-                default: goto usage;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "curves" ) == 0 )
+        } else if (strcmp(p, "curves") == 0)
             opt.curves = q;
-        else if( strcmp( p, "etm" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
-                case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
-                default: goto usage;
+        else if (strcmp(p, "etm") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.etm = MBEDTLS_SSL_ETM_DISABLED;
+                    break;
+                case 1:
+                    opt.etm = MBEDTLS_SSL_ETM_ENABLED;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "min_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 ||
-                     strcmp( q, "dtls1_2" ) == 0 )
+        } else if (strcmp(p, "min_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0 || strcmp(q, "dtls1_2") == 0)
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "max_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 ||
-                     strcmp( q, "dtls1_2" ) == 0 )
+        } else if (strcmp(p, "max_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0 || strcmp(q, "dtls1_2") == 0)
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "allow_sha1" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0:     opt.allow_sha1 = 0;   break;
-                case 1:     opt.allow_sha1 = 1;    break;
-                default:    goto usage;
+        } else if (strcmp(p, "allow_sha1") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.allow_sha1 = 0;
+                    break;
+                case 1:
+                    opt.allow_sha1 = 1;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "force_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 )
-            {
+        } else if (strcmp(p, "force_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0) {
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
-            }
-            else if( strcmp( q, "dtls1_2" ) == 0 )
-            {
+            } else if (strcmp(q, "dtls1_2") == 0) {
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
-            }
-            else
+            } else
                 goto usage;
-        }
-        else if( strcmp( p, "auth_mode" ) == 0 )
-        {
-            if( strcmp( q, "none" ) == 0 )
+        } else if (strcmp(p, "auth_mode") == 0) {
+            if (strcmp(q, "none") == 0)
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_NONE;
-            else if( strcmp( q, "optional" ) == 0 )
+            else if (strcmp(q, "optional") == 0)
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_OPTIONAL;
-            else if( strcmp( q, "required" ) == 0 )
+            else if (strcmp(q, "required") == 0)
                 opt.auth_mode = MBEDTLS_SSL_VERIFY_REQUIRED;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "max_frag_len" ) == 0 )
-        {
-            if( strcmp( q, "512" ) == 0 )
+        } else if (strcmp(p, "max_frag_len") == 0) {
+            if (strcmp(q, "512") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
-            else if( strcmp( q, "1024" ) == 0 )
+            else if (strcmp(q, "1024") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
-            else if( strcmp( q, "2048" ) == 0 )
+            else if (strcmp(q, "2048") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
-            else if( strcmp( q, "4096" ) == 0 )
+            else if (strcmp(q, "4096") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "trunc_hmac" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
-                case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
-                default: goto usage;
+        } else if (strcmp(p, "trunc_hmac") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED;
+                    break;
+                case 1:
+                    opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "hs_timeout" ) == 0 )
-        {
-            if( ( p = strchr( q, '-' ) ) == NULL )
+        } else if (strcmp(p, "hs_timeout") == 0) {
+            if ((p = strchr(q, '-')) == NULL)
                 goto usage;
             *p++ = '\0';
-            opt.hs_to_min = atoi( q );
-            opt.hs_to_max = atoi( p );
-            if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
+            opt.hs_to_min = atoi(q);
+            opt.hs_to_max = atoi(p);
+            if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min)
                 goto usage;
-        }
-        else if( strcmp( p, "mtu" ) == 0 )
-        {
-            opt.dtls_mtu = atoi( q );
-            if( opt.dtls_mtu < 0 )
+        } else if (strcmp(p, "mtu") == 0) {
+            opt.dtls_mtu = atoi(q);
+            if (opt.dtls_mtu < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "dgram_packing" ) == 0 )
-        {
-            opt.dgram_packing = atoi( q );
-            if( opt.dgram_packing != 0 &&
-                opt.dgram_packing != 1 )
-            {
+        } else if (strcmp(p, "dgram_packing") == 0) {
+            opt.dgram_packing = atoi(q);
+            if (opt.dgram_packing != 0 && opt.dgram_packing != 1) {
                 goto usage;
             }
-        }
-        else if( strcmp( p, "recsplit" ) == 0 )
-        {
-            opt.recsplit = atoi( q );
-            if( opt.recsplit < 0 || opt.recsplit > 1 )
+        } else if (strcmp(p, "recsplit") == 0) {
+            opt.recsplit = atoi(q);
+            if (opt.recsplit < 0 || opt.recsplit > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "dhmlen" ) == 0 )
-        {
-            opt.dhmlen = atoi( q );
-            if( opt.dhmlen < 0 )
+        } else if (strcmp(p, "dhmlen") == 0) {
+            opt.dhmlen = atoi(q);
+            if (opt.dhmlen < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "query_config" ) == 0 )
-        {
+        } else if (strcmp(p, "query_config") == 0) {
             opt.query_config_mode = 1;
-            query_config_ret = query_config( q );
+            query_config_ret = query_config(q);
             goto exit;
-        }
-        else if( strcmp( p, "serialize") == 0 )
-        {
-            opt.serialize = atoi( q );
-            if( opt.serialize < 0 || opt.serialize > 2)
+        } else if (strcmp(p, "serialize") == 0) {
+            opt.serialize = atoi(q);
+            if (opt.serialize < 0 || opt.serialize > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "context_file") == 0 )
-        {
+        } else if (strcmp(p, "context_file") == 0) {
             opt.context_file = q;
-        }
-        else if( strcmp( p, "eap_tls" ) == 0 )
-        {
-            opt.eap_tls = atoi( q );
-            if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+        } else if (strcmp(p, "eap_tls") == 0) {
+            opt.eap_tls = atoi(q);
+            if (opt.eap_tls < 0 || opt.eap_tls > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "reproducible" ) == 0 )
-        {
+        } else if (strcmp(p, "reproducible") == 0) {
             opt.reproducible = 1;
-        }
-        else if( strcmp( p, "nss_keylog" ) == 0 )
-        {
-            opt.nss_keylog = atoi( q );
-            if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+        } else if (strcmp(p, "nss_keylog") == 0) {
+            opt.nss_keylog = atoi(q);
+            if (opt.nss_keylog < 0 || opt.nss_keylog > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "nss_keylog_file" ) == 0 )
-        {
+        } else if (strcmp(p, "nss_keylog_file") == 0) {
             opt.nss_keylog_file = q;
-        }
-        else if( strcmp( p, "skip_close_notify" ) == 0 )
-        {
-            opt.skip_close_notify = atoi( q );
-            if( opt.skip_close_notify < 0 || opt.skip_close_notify > 1 )
+        } else if (strcmp(p, "skip_close_notify") == 0) {
+            opt.skip_close_notify = atoi(q);
+            if (opt.skip_close_notify < 0 || opt.skip_close_notify > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "use_srtp" ) == 0 )
-        {
-            opt.use_srtp = atoi ( q );
-        }
-        else if( strcmp( p, "srtp_force_profile" ) == 0 )
-        {
-            opt.force_srtp_profile = atoi( q );
-        }
-        else if( strcmp( p, "mki" ) == 0 )
-        {
+        } else if (strcmp(p, "use_srtp") == 0) {
+            opt.use_srtp = atoi(q);
+        } else if (strcmp(p, "srtp_force_profile") == 0) {
+            opt.force_srtp_profile = atoi(q);
+        } else if (strcmp(p, "mki") == 0) {
             opt.mki = q;
-        }
-        else
+        } else
             goto usage;
     }
 
-    if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
-    {
-        mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+    if (opt.nss_keylog != 0 && opt.eap_tls != 0) {
+        mbedtls_printf(
+            "Error: eap_tls and nss_keylog options cannot be used together.\n");
         goto usage;
     }
 
     /* Event-driven IO is incompatible with the above custom
      * receive and send functions, as the polling builds on
      * refers to the underlying net_context. */
-    if( opt.event == 1 && opt.nbio != 1 )
-    {
-        mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+    if (opt.event == 1 && opt.nbio != 1) {
+        mbedtls_printf(
+            "Warning: event-driven IO mandates nbio=1 - overwrite\n");
         opt.nbio = 1;
     }
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( opt.debug_level );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(opt.debug_level);
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
     /*
      * Unhexify the pre-shared key if any is given
      */
-    if( strlen( opt.psk ) )
-    {
-        if( mbedtls_test_unhexify( psk, sizeof( psk ),
-                                   opt.psk, &psk_len ) != 0 )
-        {
-            mbedtls_printf( "pre-shared key not valid\n" );
+    if (strlen(opt.psk)) {
+        if (mbedtls_test_unhexify(psk, sizeof(psk), opt.psk, &psk_len) != 0) {
+            mbedtls_printf("pre-shared key not valid\n");
             goto exit;
         }
     }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
-        if( opt.psk == NULL )
-        {
-            mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.psk_opaque != 0) {
+        if (opt.psk == NULL) {
+            mbedtls_printf(
+                "psk_opaque set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    if( opt.force_ciphersuite[0] > 0 )
-    {
+    if (opt.force_ciphersuite[0] > 0) {
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
         ciphersuite_info =
-            mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+            mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]);
 
-        if( opt.max_version != -1 &&
-            ciphersuite_info->min_minor_ver > opt.max_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.max_version != -1 &&
+            ciphersuite_info->min_minor_ver > opt.max_version) {
+            mbedtls_printf(
+                "forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
-        if( opt.min_version != -1 &&
-            ciphersuite_info->max_minor_ver < opt.min_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.min_version != -1 &&
+            ciphersuite_info->max_minor_ver < opt.min_version) {
+            mbedtls_printf(
+                "forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
 
         /* If the server selects a version that's not supported by
          * this suite, then there will be no common ciphersuite... */
-        if( opt.max_version == -1 ||
-            opt.max_version > ciphersuite_info->max_minor_ver )
-        {
+        if (opt.max_version == -1 ||
+            opt.max_version > ciphersuite_info->max_minor_ver) {
             opt.max_version = ciphersuite_info->max_minor_ver;
         }
-        if( opt.min_version < ciphersuite_info->min_minor_ver )
-        {
+        if (opt.min_version < ciphersuite_info->min_minor_ver) {
             opt.min_version = ciphersuite_info->min_minor_ver;
             /* DTLS starts with TLS 1.2 */
-            if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
-                opt.min_version < MBEDTLS_SSL_MINOR_VERSION_3 )
+            if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+                opt.min_version < MBEDTLS_SSL_MINOR_VERSION_3)
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_opaque != 0 )
-        {
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+        if (opt.psk_opaque != 0) {
             /* Ensure that the chosen ciphersuite is PSK-only; we must know
              * the ciphersuite in advance to set the correct policy for the
              * PSK key slot. This limitation might go away in the future. */
-            if( ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
-                opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3 )
-            {
-                mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+            if (ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
+                opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3) {
+                mbedtls_printf(
+                    "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
                 ret = 2;
                 goto usage;
             }
 
             /* Determine KDF algorithm the opaque PSK will be used in. */
-#if defined(MBEDTLS_SHA384_C)
-            if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+#        if defined(MBEDTLS_SHA384_C)
+            if (ciphersuite_info->mac == MBEDTLS_MD_SHA384)
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
             else
-#endif /* MBEDTLS_SHA384_C */
+#        endif /* MBEDTLS_SHA384_C */
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
         }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( mbedtls_test_unhexify( cid, sizeof( cid ),
-                               opt.cid_val, &cid_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid\n" );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (mbedtls_test_unhexify(cid, sizeof(cid), opt.cid_val, &cid_len) != 0) {
+        mbedtls_printf("CID not valid\n");
         goto exit;
     }
 
     /* Keep CID settings for renegotiation unless
      * specified otherwise. */
-    if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+    if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO)
         opt.cid_enabled_renego = opt.cid_enabled;
-    if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+    if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO)
         opt.cid_val_renego = opt.cid_val;
 
-    if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
-                               opt.cid_val_renego, &cid_renego_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid\n" );
+    if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego),
+                              opt.cid_val_renego, &cid_renego_len) != 0) {
+        mbedtls_printf("CID not valid\n");
         goto exit;
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL )
-    {
-        p = (char *) opt.curves;
+#    if defined(MBEDTLS_ECP_C)
+    if (opt.curves != NULL) {
+        p = (char *)opt.curves;
         i = 0;
 
-        if( strcmp( p, "none" ) == 0 )
-        {
+        if (strcmp(p, "none") == 0) {
             curve_list[0] = MBEDTLS_ECP_DP_NONE;
-        }
-        else if( strcmp( p, "default" ) != 0 )
-        {
+        } else if (strcmp(p, "default") != 0) {
             /* Leave room for a final NULL in curve list */
-            while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
+            while (i < CURVE_LIST_SIZE - 1 && *p != '\0') {
                 q = p;
 
                 /* Terminate the current string */
-                while( *p != ',' && *p != '\0' )
+                while (*p != ',' && *p != '\0')
                     p++;
-                if( *p == ',' )
+                if (*p == ',')
                     *p++ = '\0';
 
-                if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
-                {
+                if ((curve_cur = mbedtls_ecp_curve_info_from_name(q)) != NULL) {
                     curve_list[i++] = curve_cur->grp_id;
-                }
-                else
-                {
-                    mbedtls_printf( "unknown curve %s\n", q );
-                    mbedtls_printf( "supported curves: " );
-                    for( curve_cur = mbedtls_ecp_curve_list();
+                } else {
+                    mbedtls_printf("unknown curve %s\n", q);
+                    mbedtls_printf("supported curves: ");
+                    for (curve_cur = mbedtls_ecp_curve_list();
                          curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
-                         curve_cur++ )
-                    {
-                        mbedtls_printf( "%s ", curve_cur->name );
+                         curve_cur++) {
+                        mbedtls_printf("%s ", curve_cur->name);
                     }
-                    mbedtls_printf( "\n" );
+                    mbedtls_printf("\n");
                     goto exit;
                 }
             }
 
-            mbedtls_printf("Number of curves: %d\n", i );
+            mbedtls_printf("Number of curves: %d\n", i);
 
-            if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
-                mbedtls_printf( "curves list too long, maximum %d",
-                                CURVE_LIST_SIZE - 1 );
+            if (i == CURVE_LIST_SIZE - 1 && *p != '\0') {
+                mbedtls_printf("curves list too long, maximum %d",
+                               CURVE_LIST_SIZE - 1);
                 goto exit;
             }
 
             curve_list[i] = MBEDTLS_ECP_DP_NONE;
         }
     }
-#endif /* MBEDTLS_ECP_C */
+#    endif /* MBEDTLS_ECP_C */
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        p = (char *) opt.alpn_string;
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL) {
+        p = (char *)opt.alpn_string;
         i = 0;
 
         /* Leave room for a final NULL in alpn_list */
-        while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < ALPN_LIST_SIZE - 1 && *p != '\0') {
             alpn_list[i++] = p;
 
             /* Terminate the current string and move on to next one */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0')
                 p++;
-            if( *p == ',' )
+            if (*p == ',')
                 *p++ = '\0';
         }
     }
-#endif /* MBEDTLS_SSL_ALPN */
+#    endif /* MBEDTLS_SSL_ALPN */
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    ret = rng_seed( &rng, opt.reproducible, pers );
-    if( ret != 0 )
+    ret = rng_seed(&rng, opt.reproducible, pers);
+    if (ret != 0)
         goto exit;
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    if( strcmp( opt.ca_path, "none" ) == 0 ||
-        strcmp( opt.ca_file, "none" ) == 0 )
-    {
+    if (strcmp(opt.ca_path, "none") == 0 || strcmp(opt.ca_file, "none") == 0) {
         ret = 0;
-    }
+    } else
+#        if defined(MBEDTLS_FS_IO)
+        if (strlen(opt.ca_path))
+        ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path);
+    else if (strlen(opt.ca_file))
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
     else
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_path ) )
-        ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
-    else if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
-    else
-#endif
+#        endif
     {
-#if defined(MBEDTLS_PEM_PARSE_C)
-        for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse( &cacert,
-                                  (const unsigned char *) mbedtls_test_cas[i],
-                                  mbedtls_test_cas_len[i] );
-            if( ret != 0 )
+#        if defined(MBEDTLS_PEM_PARSE_C)
+        for (i = 0; mbedtls_test_cas[i] != NULL; i++) {
+            ret = mbedtls_x509_crt_parse(
+                &cacert, (const unsigned char *)mbedtls_test_cas[i],
+                mbedtls_test_cas_len[i]);
+            if (ret != 0)
                 break;
         }
-        if( ret == 0 )
-#endif /* MBEDTLS_PEM_PARSE_C */
-        for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse_der( &cacert,
-                         (const unsigned char *) mbedtls_test_cas_der[i],
-                         mbedtls_test_cas_der_len[i] );
-            if( ret != 0 )
-                break;
-        }
+        if (ret == 0)
+#        endif /* MBEDTLS_PEM_PARSE_C */
+            for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) {
+                ret = mbedtls_x509_crt_parse_der(
+                    &cacert, (const unsigned char *)mbedtls_test_cas_der[i],
+                    mbedtls_test_cas_der_len[i]);
+                if (ret != 0)
+                    break;
+            }
     }
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if (ret < 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      *
      * (can be skipped if client authentication is not required)
      */
-    mbedtls_printf( "  . Loading the client cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the client cert. and key...");
+    fflush(stdout);
 
-    if( strcmp( opt.crt_file, "none" ) == 0 )
+    if (strcmp(opt.crt_file, "none") == 0)
         ret = 0;
     else
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) )
-        ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
+#        if defined(MBEDTLS_FS_IO)
+        if (strlen(opt.crt_file))
+        ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file);
     else
-#endif
-        ret = mbedtls_x509_crt_parse( &clicert,
-                (const unsigned char *) mbedtls_test_cli_crt,
-                mbedtls_test_cli_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                        (unsigned int) -ret );
+#        endif
+        ret = mbedtls_x509_crt_parse(
+            &clicert, (const unsigned char *)mbedtls_test_cli_crt,
+            mbedtls_test_cli_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    if( strcmp( opt.key_file, "none" ) == 0 )
+    if (strcmp(opt.key_file, "none") == 0)
         ret = 0;
     else
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.key_file ) )
-        ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, opt.key_pwd, rng_get, &rng );
+#        if defined(MBEDTLS_FS_IO)
+        if (strlen(opt.key_file))
+        ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd,
+                                       rng_get, &rng);
     else
-#endif
-        ret = mbedtls_pk_parse_key( &pkey,
-                (const unsigned char *) mbedtls_test_cli_key,
-                mbedtls_test_cli_key_len, NULL, 0, rng_get, &rng );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
-                        (unsigned int) -ret );
+#        endif
+        ret = mbedtls_pk_parse_key(&pkey,
+                                   (const unsigned char *)mbedtls_test_cli_key,
+                                   mbedtls_test_cli_key_len, NULL, 0, rng_get,
+                                   &rng);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.key_opaque != 0 )
-    {
-        if( ( ret = mbedtls_pk_wrap_as_opaque( &pkey, &key_slot,
-                                               PSA_ALG_SHA_256 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  "
-                            "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n", (unsigned int)  -ret );
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.key_opaque != 0) {
+        if ((ret = mbedtls_pk_wrap_as_opaque(&pkey, &key_slot,
+                                             PSA_ALG_SHA_256)) != 0) {
+            mbedtls_printf(" failed\n  !  "
+                           "mbedtls_pk_wrap_as_opaque returned -0x%x\n\n",
+                           (unsigned int)-ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    mbedtls_printf( " ok (key type: %s)\n", mbedtls_pk_get_name( &pkey ) );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+    mbedtls_printf(" ok (key type: %s)\n", mbedtls_pk_get_name(&pkey));
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
     /*
      * 2. Start the connection
      */
-    if( opt.server_addr == NULL)
+    if (opt.server_addr == NULL)
         opt.server_addr = opt.server_name;
 
-    mbedtls_printf( "  . Connecting to %s/%s/%s...",
-            opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
-            opt.server_addr, opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to %s/%s/%s...",
+                   opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" :
+                                                                   "udp",
+                   opt.server_addr, opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd,
-                       opt.server_addr, opt.server_port,
-                       opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                       MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret =
+             mbedtls_net_connect(&server_fd, opt.server_addr, opt.server_port,
+                                 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                     MBEDTLS_NET_PROTO_TCP :
+                                     MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    if( opt.nbio > 0 )
-        ret = mbedtls_net_set_nonblock( &server_fd );
+    if (opt.nbio > 0)
+        ret = mbedtls_net_set_nonblock(&server_fd);
     else
-        ret = mbedtls_net_set_block( &server_fd );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
-                        (unsigned int) -ret );
+        ret = mbedtls_net_set_block(&server_fd);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    opt.transport,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                           opt.transport,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /* The default algorithms profile disables SHA-1, but our tests still
        rely on it heavily. */
-    if( opt.allow_sha1 > 0 )
-    {
-        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
-        mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
-        mbedtls_ssl_conf_sig_hashes( &conf, ssl_sig_hashes_for_test );
+    if (opt.allow_sha1 > 0) {
+        crt_profile_for_test.allowed_mds |=
+            MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1);
+        mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test);
+        mbedtls_ssl_conf_sig_hashes(&conf, ssl_sig_hashes_for_test);
     }
 
-    if( opt.context_crt_cb == 0 )
-        mbedtls_ssl_conf_verify( &conf, my_verify, NULL );
+    if (opt.context_crt_cb == 0)
+        mbedtls_ssl_conf_verify(&conf, my_verify, NULL);
 
-    memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+    memset(peer_crt_info, 0, sizeof(peer_crt_info));
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
-    {
-        if( opt.cid_enabled == 1        &&
-            opt.cid_enabled_renego == 1 &&
-            cid_len != cid_renego_len )
-        {
-            mbedtls_printf( "CID length must not change during renegotiation\n" );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) {
+        if (opt.cid_enabled == 1 && opt.cid_enabled_renego == 1 &&
+            cid_len != cid_renego_len) {
+            mbedtls_printf("CID length must not change during renegotiation\n");
             goto usage;
         }
 
-        if( opt.cid_enabled == 1 )
-            ret = mbedtls_ssl_conf_cid( &conf, cid_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+        if (opt.cid_enabled == 1)
+            ret = mbedtls_ssl_conf_cid(&conf, cid_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
         else
-            ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+            ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
-                            (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-    if( opt.auth_mode != DFL_AUTH_MODE )
-        mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+    if (opt.auth_mode != DFL_AUTH_MODE)
+        mbedtls_ssl_conf_authmode(&conf, opt.auth_mode);
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
-        mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min,
-                                            opt.hs_to_max );
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX)
+        mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max);
 
-    if( opt.dgram_packing != DFL_DGRAM_PACKING )
-        mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
-#endif /* MBEDTLS_SSL_PROTO_DTLS */
+    if (opt.dgram_packing != DFL_DGRAM_PACKING)
+        mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing);
+#    endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n",
-                        ret );
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret);
         goto exit;
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
-    const mbedtls_ssl_srtp_profile forced_profile[] =
-                                { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
-    if( opt.use_srtp == 1 )
-    {
-        if( opt.force_srtp_profile != 0 )
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, forced_profile );
-        }
-        else
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles ( &conf, default_profiles );
+#    if defined(MBEDTLS_SSL_DTLS_SRTP)
+    const mbedtls_ssl_srtp_profile forced_profile[] = {
+        opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET
+    };
+    if (opt.use_srtp == 1) {
+        if (opt.force_srtp_profile != 0) {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(
+                &conf, forced_profile);
+        } else {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(
+                &conf, default_profiles);
         }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! "
-                            "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
-                            ret );
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! "
+                "mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
+                ret);
             goto exit;
         }
 
-    }
-    else if( opt.force_srtp_profile != 0 )
-    {
-        mbedtls_printf( " failed\n  ! must enable use_srtp to force srtp profile\n\n" );
+    } else if (opt.force_srtp_profile != 0) {
+        mbedtls_printf(
+            " failed\n  ! must enable use_srtp to force srtp profile\n\n");
         goto exit;
     }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( opt.extended_ms != DFL_EXTENDED_MS )
-        mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
-#endif
+#    if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+    if (opt.extended_ms != DFL_EXTENDED_MS)
+        mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms);
+#    endif
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( opt.etm != DFL_ETM )
-        mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
-#endif
+#    if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+    if (opt.etm != DFL_ETM)
+        mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm);
+#    endif
 
-#if defined(MBEDTLS_DHM_C)
-    if( opt.dhmlen != DFL_DHMLEN )
-        mbedtls_ssl_conf_dhm_min_bitlen( &conf, opt.dhmlen );
-#endif
+#    if defined(MBEDTLS_DHM_C)
+    if (opt.dhmlen != DFL_DHMLEN)
+        mbedtls_ssl_conf_dhm_min_bitlen(&conf, opt.dhmlen);
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-        if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
-                            ret );
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL)
+        if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
+                ret);
             goto exit;
         }
-#endif
+#    endif
 
-    if (opt.reproducible)
-    {
-#if defined(MBEDTLS_HAVE_TIME)
-#if defined(MBEDTLS_PLATFORM_TIME_ALT)
-        mbedtls_platform_set_time( dummy_constant_time );
-#else
-        fprintf( stderr, "Warning: reproducible option used without constant time\n" );
-#endif
-#endif  /* MBEDTLS_HAVE_TIME */
+    if (opt.reproducible) {
+#    if defined(MBEDTLS_HAVE_TIME)
+#        if defined(MBEDTLS_PLATFORM_TIME_ALT)
+        mbedtls_platform_set_time(dummy_constant_time);
+#        else
+        fprintf(stderr,
+                "Warning: reproducible option used without constant time\n");
+#        endif
+#    endif /* MBEDTLS_HAVE_TIME */
     }
-    mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, rng_get, &rng);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+    mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout);
 
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_conf_session_tickets( &conf, opt.tickets );
-#endif
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    mbedtls_ssl_conf_session_tickets(&conf, opt.tickets);
+#    endif
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER)
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
 
-    if( opt.allow_legacy != DFL_ALLOW_LEGACY )
-        mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
-#endif
+    if (opt.allow_legacy != DFL_ALLOW_LEGACY)
+        mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy);
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+    mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation);
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( strcmp( opt.ca_path, "none" ) != 0 &&
-        strcmp( opt.ca_file, "none" ) != 0 )
-    {
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        if( opt.ca_callback != 0 )
-            mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert );
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if (strcmp(opt.ca_path, "none") != 0 && strcmp(opt.ca_file, "none") != 0) {
+#        if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+        if (opt.ca_callback != 0)
+            mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert);
         else
-#endif
-            mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+#        endif
+            mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
     }
-    if( strcmp( opt.crt_file, "none" ) != 0 &&
-        strcmp( opt.key_file, "none" ) != 0 )
-    {
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
-                            ret );
+    if (strcmp(opt.crt_file, "none") != 0 &&
+        strcmp(opt.key_file, "none") != 0) {
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
             goto exit;
         }
     }
-#endif  /* MBEDTLS_X509_CRT_PARSE_C */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL &&
-        strcmp( opt.curves, "default" ) != 0 )
-    {
-        mbedtls_ssl_conf_curves( &conf, curve_list );
+#    if defined(MBEDTLS_ECP_C)
+    if (opt.curves != NULL && strcmp(opt.curves, "default") != 0) {
+        mbedtls_ssl_conf_curves(&conf, curve_list);
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.psk_opaque != 0) {
         key_attributes = psa_key_attributes_init();
-        psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-        psa_set_key_algorithm( &key_attributes, alg );
-        psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+        psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
+        psa_set_key_algorithm(&key_attributes, alg);
+        psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE);
 
-        status = psa_import_key( &key_attributes, psk, psk_len, &slot );
-        if( status != PSA_SUCCESS )
-        {
+        status = psa_import_key(&key_attributes, psk, psk_len, &slot);
+        if (status != PSA_SUCCESS) {
             ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, slot,
-                                  (const unsigned char *) opt.psk_identity,
-                                  strlen( opt.psk_identity ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
-                            ret );
+        if ((ret = mbedtls_ssl_conf_psk_opaque(
+                 &conf, slot, (const unsigned char *)opt.psk_identity,
+                 strlen(opt.psk_identity))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+                ret);
+            goto exit;
+        }
+    } else
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
+        if (psk_len > 0) {
+        ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len,
+                                   (const unsigned char *)opt.psk_identity,
+                                   strlen(opt.psk_identity));
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_psk returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
-    else
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-    if( psk_len > 0 )
-    {
-        ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
-                             (const unsigned char *) opt.psk_identity,
-                             strlen( opt.psk_identity ) );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk returned %d\n\n", ret );
-            goto exit;
-        }
-    }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
-    if( opt.min_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_min_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3,
-                                      opt.min_version );
+    if (opt.min_version != DFL_MIN_VERSION)
+        mbedtls_ssl_conf_min_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                     opt.min_version);
 
-    if( opt.max_version != DFL_MAX_VERSION )
-        mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3,
-                                      opt.max_version );
+    if (opt.max_version != DFL_MAX_VERSION)
+        mbedtls_ssl_conf_max_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                     opt.max_version);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n",
-                        (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-    if( opt.eap_tls != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, eap_tls_key_derivation,
-                                        &eap_tls_keying );
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+    if (opt.eap_tls != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation,
+                                       &eap_tls_keying);
+    } else if (opt.nss_keylog != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, nss_keylog_export, NULL);
     }
-    else if( opt.nss_keylog != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl,
-                                        nss_keylog_export,
-                                        NULL );
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation,
+                                       &dtls_srtp_keying);
     }
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, dtls_srtp_key_derivation,
-                                        &dtls_srtp_keying );
-    }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
-                        ret );
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
-    {
-        if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
-                        (const unsigned char *) opt.ecjpake_pw,
-                                        strlen( opt.ecjpake_pw ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
-                            ret );
+#    if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+    if (opt.ecjpake_pw != DFL_ECJPAKE_PW) {
+        if ((ret = mbedtls_ssl_set_hs_ecjpake_password(
+                 &ssl, (const unsigned char *)opt.ecjpake_pw,
+                 strlen(opt.ecjpake_pw))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
+                ret);
             goto exit;
         }
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( opt.context_crt_cb == 1 )
-        mbedtls_ssl_set_verify( &ssl, my_verify, NULL );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if (opt.context_crt_cb == 1)
+        mbedtls_ssl_set_verify(&ssl, my_verify, NULL);
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
     io_ctx.ssl = &ssl;
     io_ctx.net = &server_fd;
-    mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
-                         opt.nbio == 0 ? recv_timeout_cb : NULL );
+    mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb,
+                        opt.nbio == 0 ? recv_timeout_cb : NULL);
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
-                                         cid, cid_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled, cid, cid_len)) !=
+            0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.dtls_mtu != DFL_DTLS_MTU )
-        mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
-#endif
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if (opt.dtls_mtu != DFL_DTLS_MTU)
+        mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu);
+#    endif
 
-#if defined(MBEDTLS_TIMING_C)
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
-#endif
+#    if defined(MBEDTLS_TIMING_C)
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
+#    endif
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-    if( opt.ec_max_ops != DFL_EC_MAX_OPS )
-        mbedtls_ecp_set_max_ops( opt.ec_max_ops );
-#endif
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+    if (opt.ec_max_ops != DFL_EC_MAX_OPS)
+        mbedtls_ecp_set_max_ops(opt.ec_max_ops);
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
-    if( opt.use_srtp != 0 && strlen( opt.mki ) != 0 )
-    {
-        if( mbedtls_test_unhexify( mki, sizeof( mki ),
-                                   opt.mki,&mki_len ) != 0 )
-        {
-            mbedtls_printf( "mki value not valid hex\n" );
+#    if defined(MBEDTLS_SSL_DTLS_SRTP)
+    if (opt.use_srtp != 0 && strlen(opt.mki) != 0) {
+        if (mbedtls_test_unhexify(mki, sizeof(mki), opt.mki, &mki_len) != 0) {
+            mbedtls_printf("mki value not valid hex\n");
             goto exit;
         }
 
-        mbedtls_ssl_conf_srtp_mki_value_supported( &conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED );
-        if( ( ret = mbedtls_ssl_dtls_srtp_set_mki_value( &ssl, mki,
-                                                         (uint16_t) strlen( opt.mki ) / 2 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n", ret );
+        mbedtls_ssl_conf_srtp_mki_value_supported(
+            &conf, MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED);
+        if ((ret = mbedtls_ssl_dtls_srtp_set_mki_value(
+                 &ssl, mki, (uint16_t)strlen(opt.mki) / 2)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_dtls_srtp_set_mki_value returned %d\n\n",
+                ret);
             goto exit;
         }
     }
-#endif
+#    endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
             ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-            ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n",
-                            (unsigned int) -ret );
-            if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
-                mbedtls_printf(
-                    "    Unable to verify the server's certificate. "
-                        "Either it is invalid,\n"
-                    "    or you didn't set ca_file or ca_path "
-                        "to an appropriate value.\n"
-                    "    Alternatively, you may want to use "
-                        "auth_mode=optional for testing purposes.\n" );
-            mbedtls_printf( "\n" );
+            ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n",
+                (unsigned int)-ret);
+            if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED)
+                mbedtls_printf("    Unable to verify the server's certificate. "
+                               "Either it is invalid,\n"
+                               "    or you didn't set ca_file or ca_path "
+                               "to an appropriate value.\n"
+                               "    Alternatively, you may want to use "
+                               "auth_mode=optional for testing purposes.\n");
+            mbedtls_printf("\n");
             goto exit;
         }
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-        if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+        if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS)
             continue;
-#endif
+#    endif
 
         /* For event-driven IO, wait for socket to become available */
-        if( opt.event == 1 /* level triggered IO */ )
-        {
-#if defined(MBEDTLS_TIMING_C)
-            ret = idle( &server_fd, &timer, ret );
-#else
-            ret = idle( &server_fd, ret );
-#endif
-            if( ret != 0 )
+        if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+            ret = idle(&server_fd, &timer, ret);
+#    else
+            ret = idle(&server_fd, ret);
+#    endif
+            if (ret != 0)
                 goto exit;
         }
     }
 
-    mbedtls_printf( " ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
-                    mbedtls_ssl_get_version( &ssl ),
-                    mbedtls_ssl_get_ciphersuite( &ssl ) );
+    mbedtls_printf(" ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
+                   mbedtls_ssl_get_version(&ssl),
+                   mbedtls_ssl_get_ciphersuite(&ssl));
 
-    if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
-        mbedtls_printf( "    [ Record expansion is %d ]\n", ret );
+    if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0)
+        mbedtls_printf("    [ Record expansion is %d ]\n", ret);
     else
-        mbedtls_printf( "    [ Record expansion is unknown ]\n" );
+        mbedtls_printf("    [ Record expansion is unknown ]\n");
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    mbedtls_printf( "    [ Maximum incoming record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_in_record_payload( &ssl ) );
-    mbedtls_printf( "    [ Maximum outgoing record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_out_record_payload( &ssl ) );
-#endif
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    mbedtls_printf("    [ Maximum incoming record payload length is %u ]\n",
+                   (unsigned int)mbedtls_ssl_get_max_in_record_payload(&ssl));
+    mbedtls_printf("    [ Maximum outgoing record payload length is %u ]\n",
+                   (unsigned int)mbedtls_ssl_get_max_out_record_payload(&ssl));
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
-        mbedtls_printf( "    [ Application Layer Protocol is %s ]\n",
-                alp ? alp : "(none)" );
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL) {
+        const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl);
+        mbedtls_printf("    [ Application Layer Protocol is %s ]\n",
+                       alp ? alp : "(none)");
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-    if( opt.eap_tls != 0  )
-    {
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+    if (opt.eap_tls != 0) {
         size_t j = 0;
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
-                                         eap_tls_keying.master_secret,
-                                         sizeof( eap_tls_keying.master_secret ),
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_keymaterial,
-                                         sizeof( eap_tls_keymaterial ) ) )
-                                         != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_tls_prf(
+                 eap_tls_keying.tls_prf_type, eap_tls_keying.master_secret,
+                 sizeof(eap_tls_keying.master_secret), eap_tls_label,
+                 eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes),
+                 eap_tls_keymaterial, sizeof(eap_tls_keymaterial))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        mbedtls_printf( "    EAP-TLS key material is:" );
-        for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS key material is:");
+        for (j = 0; j < sizeof(eap_tls_keymaterial); j++) {
+            if (j % 8 == 0)
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+            mbedtls_printf("%02x ", eap_tls_keymaterial[j]);
         }
         mbedtls_printf("\n");
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_iv,
-                                         sizeof( eap_tls_iv ) ) ) != 0 )
-         {
-             mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                             (unsigned int) -ret );
-             goto exit;
-         }
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0,
+                                       eap_tls_label, eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_iv, sizeof(eap_tls_iv))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                (unsigned int)-ret);
+            goto exit;
+        }
 
-        mbedtls_printf( "    EAP-TLS IV is:" );
-        for( j = 0; j < sizeof( eap_tls_iv ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS IV is:");
+        for (j = 0; j < sizeof(eap_tls_iv); j++) {
+            if (j % 8 == 0)
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_iv[j] );
+            mbedtls_printf("%02x ", eap_tls_iv[j]);
         }
         mbedtls_printf("\n");
     }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0  )
-    {
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
         size_t j = 0;
         mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
-        mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+        mbedtls_ssl_get_dtls_srtp_negotiation_result(
+            &ssl, &dtls_srtp_negotiation_result);
 
-        if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
-                                == MBEDTLS_TLS_SRTP_UNSET )
-        {
-            mbedtls_printf( "    Unable to negotiate "
-                            "the use of DTLS-SRTP\n" );
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
-                                             dtls_srtp_keying.master_secret,
-                                             sizeof( dtls_srtp_keying.master_secret ),
-                                             dtls_srtp_label,
-                                             dtls_srtp_keying.randbytes,
-                                             sizeof( dtls_srtp_keying.randbytes ),
-                                             dtls_srtp_key_material,
-                                             sizeof( dtls_srtp_key_material ) ) )
-                                             != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile ==
+            MBEDTLS_TLS_SRTP_UNSET) {
+            mbedtls_printf("    Unable to negotiate "
+                           "the use of DTLS-SRTP\n");
+        } else {
+            if ((ret = mbedtls_ssl_tls_prf(
+                     dtls_srtp_keying.tls_prf_type,
+                     dtls_srtp_keying.master_secret,
+                     sizeof(dtls_srtp_keying.master_secret), dtls_srtp_label,
+                     dtls_srtp_keying.randbytes,
+                     sizeof(dtls_srtp_keying.randbytes), dtls_srtp_key_material,
+                     sizeof(dtls_srtp_key_material))) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
 
-            mbedtls_printf( "    DTLS-SRTP key material is:" );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                if( j % 8 == 0 )
-                    mbedtls_printf( "\n    " );
-                mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+            mbedtls_printf("    DTLS-SRTP key material is:");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                if (j % 8 == 0)
+                    mbedtls_printf("\n    ");
+                mbedtls_printf("%02x ", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
             /* produce a less readable output used to perform automatic checks
              * - compare client and server output
-             * - interop test with openssl which client produces this kind of output
+             * - interop test with openssl which client produces this kind of
+             * output
              */
-            mbedtls_printf( "    Keying material: " );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+            mbedtls_printf("    Keying material: ");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                mbedtls_printf("%02X", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
-            if ( dtls_srtp_negotiation_result.mki_len > 0 )
-            {
-                mbedtls_printf( "    DTLS-SRTP mki value: " );
-                for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
-                {
-                    mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+            if (dtls_srtp_negotiation_result.mki_len > 0) {
+                mbedtls_printf("    DTLS-SRTP mki value: ");
+                for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) {
+                    mbedtls_printf("%02X",
+                                   dtls_srtp_negotiation_result.mki_value[j]);
                 }
+            } else {
+                mbedtls_printf("    DTLS-SRTP no mki value negotiated");
             }
-            else
-            {
-                mbedtls_printf( "    DTLS-SRTP no mki value negotiated" );
-            }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
-    if( opt.reconnect != 0 )
-    {
-        mbedtls_printf("  . Saving session for reuse..." );
-        fflush( stdout );
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
+    if (opt.reconnect != 0) {
+        mbedtls_printf("  . Saving session for reuse...");
+        fflush(stdout);
 
-        if( opt.reco_mode == 1 )
-        {
+        if (opt.reco_mode == 1) {
             mbedtls_ssl_session exported_session;
 
             /* free any previously saved data */
-            if( session_data != NULL )
-            {
-                mbedtls_platform_zeroize( session_data, session_data_len );
-                mbedtls_free( session_data );
+            if (session_data != NULL) {
+                mbedtls_platform_zeroize(session_data, session_data_len);
+                mbedtls_free(session_data);
                 session_data = NULL;
             }
 
-            mbedtls_ssl_session_init( &exported_session );
-            ret = mbedtls_ssl_get_session( &ssl, &exported_session );
-            if( ret != 0 )
-            {
+            mbedtls_ssl_session_init(&exported_session);
+            ret = mbedtls_ssl_get_session(&ssl, &exported_session);
+            if (ret != 0) {
                 mbedtls_printf(
                     "failed\n  ! mbedtls_ssl_get_session() returned -%#02x\n",
-                    (unsigned) -ret );
+                    (unsigned)-ret);
                 goto exit;
             }
 
             /* get size of the buffer needed */
-            mbedtls_ssl_session_save( &exported_session, NULL, 0, &session_data_len );
-            session_data = mbedtls_calloc( 1, session_data_len );
-            if( session_data == NULL )
-            {
-                mbedtls_printf( " failed\n  ! alloc %u bytes for session data\n",
-                                (unsigned) session_data_len );
-                mbedtls_ssl_session_free( &exported_session );
+            mbedtls_ssl_session_save(&exported_session, NULL, 0,
+                                     &session_data_len);
+            session_data = mbedtls_calloc(1, session_data_len);
+            if (session_data == NULL) {
+                mbedtls_printf(" failed\n  ! alloc %u bytes for session data\n",
+                               (unsigned)session_data_len);
+                mbedtls_ssl_session_free(&exported_session);
                 ret = MBEDTLS_ERR_SSL_ALLOC_FAILED;
                 goto exit;
             }
 
             /* actually save session data */
-            if( ( ret = mbedtls_ssl_session_save( &exported_session,
-                                                  session_data, session_data_len,
-                                                  &session_data_len ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_session_saved returned -0x%04x\n\n",
-                                (unsigned int) -ret );
-                mbedtls_ssl_session_free( &exported_session );
+            if ((ret = mbedtls_ssl_session_save(&exported_session, session_data,
+                                                session_data_len,
+                                                &session_data_len)) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_session_saved returned -0x%04x\n\n",
+                    (unsigned int)-ret);
+                mbedtls_ssl_session_free(&exported_session);
                 goto exit;
             }
 
-            mbedtls_ssl_session_free( &exported_session );
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_get_session( &ssl, &saved_session ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
-                                (unsigned int) -ret );
+            mbedtls_ssl_session_free(&exported_session);
+        } else {
+            if ((ret = mbedtls_ssl_get_session(&ssl, &saved_session)) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_get_session returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
-        if( opt.reco_mode == 1 )
-        {
-            mbedtls_printf( "    [ Saved %u bytes of session data]\n",
-                            (unsigned) session_data_len );
+        if (opt.reco_mode == 1) {
+            mbedtls_printf("    [ Saved %u bytes of session data]\n",
+                           (unsigned)session_data_len);
         }
     }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 5. Verify the server certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
         char vrfy_buf[512];
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-        x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ),
-                                      "  ! ", flags );
+        x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-        mbedtls_printf( "%s\n", vrfy_buf );
-    }
-    else
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf("%s\n", vrfy_buf);
+    } else
+        mbedtls_printf(" ok\n");
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_printf( "  . Peer certificate information    ...\n" );
-    mbedtls_printf( "%s\n", peer_crt_info );
-#endif /* !MBEDTLS_X509_REMOVE_INFO */
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#        if !defined(MBEDTLS_X509_REMOVE_INFO)
+    mbedtls_printf("  . Peer certificate information    ...\n");
+    mbedtls_printf("%s\n", peer_crt_info);
+#        endif /* !MBEDTLS_X509_REMOVE_INFO */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "initial handshake" );
-    if( ret != 0 )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    ret = report_cid_usage(&ssl, "initial handshake");
+    if (ret != 0)
         goto exit;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
-                                         cid_renego,
-                                         cid_renego_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego, cid_renego,
+                                       cid_renego_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( opt.renegotiate )
-    {
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if (opt.renegotiate) {
         /*
          * Perform renegotiation (this must be done when the server is waiting
          * for input from our side).
          */
-        mbedtls_printf( "  . Performing renegotiation..." );
-        fflush( stdout );
-        while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        mbedtls_printf("  . Performing renegotiation...");
+        fflush(stdout);
+        while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n",
-                                ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n",
+                    ret);
                 goto exit;
             }
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+#        if defined(MBEDTLS_ECP_RESTARTABLE)
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS)
                 continue;
-#endif
+#        endif
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
-#else
-                idle( &server_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#        if defined(MBEDTLS_TIMING_C)
+                idle(&server_fd, &timer, ret);
+#        else
+                idle(&server_fd, ret);
+#        endif
             }
-
         }
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif /* MBEDTLS_SSL_RENEGOTIATION */
+#    endif /* MBEDTLS_SSL_RENEGOTIATION */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "after renegotiation" );
-    if( ret != 0 )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    ret = report_cid_usage(&ssl, "after renegotiation");
+    if (ret != 0)
         goto exit;
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
     /*
      * 6. Write the GET request
      */
     retry_left = opt.max_resend;
 send_request:
-    mbedtls_printf( "  > Write to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to server:");
+    fflush(stdout);
 
-    len = mbedtls_snprintf( (char *) buf, sizeof( buf ) - 1, GET_REQUEST,
-                            opt.request_page );
-    tail_len = (int) strlen( GET_REQUEST_END );
+    len = mbedtls_snprintf((char *)buf, sizeof(buf) - 1, GET_REQUEST,
+                           opt.request_page);
+    tail_len = (int)strlen(GET_REQUEST_END);
 
     /* Add padding to GET request to reach opt.request_size in length */
-    if( opt.request_size != DFL_REQUEST_SIZE &&
-        len + tail_len < opt.request_size )
-    {
-        memset( buf + len, 'A', opt.request_size - len - tail_len );
+    if (opt.request_size != DFL_REQUEST_SIZE &&
+        len + tail_len < opt.request_size) {
+        memset(buf + len, 'A', opt.request_size - len - tail_len);
         len += opt.request_size - len - tail_len;
     }
 
-    strncpy( (char *) buf + len, GET_REQUEST_END, sizeof( buf ) - len - 1 );
+    strncpy((char *)buf + len, GET_REQUEST_END, sizeof(buf) - len - 1);
     len += tail_len;
 
     /* Truncate if request size is smaller than the "natural" size */
-    if( opt.request_size != DFL_REQUEST_SIZE &&
-        len > opt.request_size )
-    {
+    if (opt.request_size != DFL_REQUEST_SIZE && len > opt.request_size) {
         len = opt.request_size;
 
         /* Still end with \r\n unless that's really not possible */
-        if( len >= 2 ) buf[len - 2] = '\r';
-        if( len >= 1 ) buf[len - 1] = '\n';
+        if (len >= 2)
+            buf[len - 2] = '\r';
+        if (len >= 1)
+            buf[len - 1] = '\n';
     }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
         written = 0;
         frags = 0;
 
-        do
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf + written,
-                                              len - written ) ) < 0 )
-            {
-                if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        do {
+            while ((ret = mbedtls_ssl_write(&ssl, buf + written,
+                                            len - written)) < 0) {
+                if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                     ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                    ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-                {
-                    mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned -0x%x\n\n",
-                                    (unsigned int) -ret );
+                    ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                    mbedtls_printf(
+                        " failed\n  ! mbedtls_ssl_write returned -0x%x\n\n",
+                        (unsigned int)-ret);
                     goto exit;
                 }
 
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
-#if defined(MBEDTLS_TIMING_C)
-                    idle( &server_fd, &timer, ret );
-#else
-                    idle( &server_fd, ret );
-#endif
+                if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                    idle(&server_fd, &timer, ret);
+#    else
+                    idle(&server_fd, ret);
+#    endif
                 }
             }
 
             frags++;
             written += ret;
-        }
-        while( written < len );
-    }
-    else /* Not stream, so datagram */
+        } while (written < len);
+    } else /* Not stream, so datagram */
     {
-        while( 1 )
-        {
-            ret = mbedtls_ssl_write( &ssl, buf, len );
+        while (1) {
+            ret = mbedtls_ssl_write(&ssl, buf, len);
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS)
                 continue;
-#endif
+#    endif
 
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-                ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE)
                 break;
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
-#else
-                idle( &server_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                idle(&server_fd, &timer, ret);
+#    else
+                idle(&server_fd, ret);
+#    endif
             }
         }
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n",
-                            ret );
+        if (ret < 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto exit;
         }
 
         frags = 1;
         written = ret;
 
-        if( written < len )
-        {
-            mbedtls_printf( " warning\n  ! request didn't fit into single datagram and "
-                            "was truncated to size %u", (unsigned) written );
+        if (written < len) {
+            mbedtls_printf(
+                " warning\n  ! request didn't fit into single datagram and "
+                "was truncated to size %u",
+                (unsigned)written);
         }
     }
 
     buf[written] = '\0';
-    mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n",
-                    written, frags, (char *) buf );
+    mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags,
+                   (char *)buf);
 
     /* Send a non-empty request if request_size == 0 */
-    if ( len == 0 )
-    {
+    if (len == 0) {
         opt.request_size = DFL_REQUEST_SIZE;
         goto send_request;
     }
@@ -2429,176 +2197,161 @@
     /*
      * 7. Read the HTTP response
      */
-    mbedtls_printf( "  < Read from server:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from server:");
+    fflush(stdout);
 
     /*
      * TLS and DTLS need different reading styles (stream vs datagram)
      */
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
-        do
-        {
-            len = sizeof( buf ) - 1;
-            memset( buf, 0, sizeof( buf ) );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
+        do {
+            len = sizeof(buf) - 1;
+            memset(buf, 0, sizeof(buf));
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS)
                 continue;
-#endif
+#    endif
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ ||
-                ret == MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+                ret == MBEDTLS_ERR_SSL_WANT_WRITE) {
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
-#if defined(MBEDTLS_TIMING_C)
-                    idle( &server_fd, &timer, ret );
-#else
-                    idle( &server_fd, ret );
-#endif
+                if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                    idle(&server_fd, &timer, ret);
+#    else
+                    idle(&server_fd, ret);
+#    endif
                 }
                 continue;
             }
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( " connection was closed gracefully\n" );
+                        mbedtls_printf(" connection was closed gracefully\n");
                         ret = 0;
                         goto close_notify;
 
                     case 0:
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( " connection was reset by peer\n" );
+                        mbedtls_printf(" connection was reset by peer\n");
                         ret = 0;
                         goto reconnect;
 
                     default:
-                        mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n",
-                                        (unsigned int) -ret );
+                        mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                       (unsigned int)-ret);
                         goto exit;
                 }
             }
 
             len = ret;
             buf[len] = '\0';
-            mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+            mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
 
             /* End of message should be detected according to the syntax of the
              * application protocol (eg HTTP), just use a dummy test here. */
-            if( ret > 0 && buf[len-1] == '\n' )
-            {
+            if (ret > 0 && buf[len - 1] == '\n') {
                 ret = 0;
                 break;
             }
-        }
-        while( 1 );
-    }
-    else /* Not stream, so datagram */
+        } while (1);
+    } else /* Not stream, so datagram */
     {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
 
-        while( 1 )
-        {
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        while (1) {
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-#if defined(MBEDTLS_ECP_RESTARTABLE)
-            if( ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
+#    if defined(MBEDTLS_ECP_RESTARTABLE)
+            if (ret == MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS)
                 continue;
-#endif
+#    endif
 
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-                ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE)
                 break;
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
-#else
-                idle( &server_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                idle(&server_fd, &timer, ret);
+#    else
+                idle(&server_fd, ret);
+#    endif
             }
         }
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_TIMEOUT:
-                    mbedtls_printf( " timeout\n" );
-                    if( retry_left-- > 0 )
+                    mbedtls_printf(" timeout\n");
+                    if (retry_left-- > 0)
                         goto send_request;
                     goto exit;
 
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     ret = 0;
                     goto close_notify;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                   (unsigned int)-ret);
                     goto exit;
             }
         }
 
         len = ret;
         buf[len] = '\0';
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
         ret = 0;
     }
 
     /*
      * 7b. Simulate hard reset and reconnect from same port?
      */
-    if( opt.reconnect_hard != 0 )
-    {
+    if (opt.reconnect_hard != 0) {
         opt.reconnect_hard = 0;
 
-        mbedtls_printf( "  . Restarting connection from same port..." );
-        fflush( stdout );
+        mbedtls_printf("  . Restarting connection from same port...");
+        fflush(stdout);
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-        memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+        memset(peer_crt_info, 0, sizeof(peer_crt_info));
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-        if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
-                                (unsigned int) -ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &server_fd, &timer, ret );
-#else
-                idle( &server_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                idle(&server_fd, &timer, ret);
+#    else
+                idle(&server_fd, ret);
+#    endif
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         goto send_request;
     }
@@ -2606,161 +2359,151 @@
     /*
      * 7c. Simulate serialize/deserialize and go back to data exchange
      */
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( opt.serialize != 0 )
-    {
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    if (opt.serialize != 0) {
         size_t buf_len;
 
-        mbedtls_printf( "  . Serializing live connection..." );
+        mbedtls_printf("  . Serializing live connection...");
 
-        ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
-        if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len);
+        if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n  ! Couldn't allocate buffer for "
-                            "serialized context" );
+        if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) {
+            mbedtls_printf(" failed\n  ! Couldn't allocate buffer for "
+                           "serialized context");
 
             goto exit;
         }
         context_buf_len = buf_len;
 
-        if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
-                                              buf_len, &buf_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_save(&ssl, context_buf, buf_len,
+                                            &buf_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /* Save serialized context to the 'opt.context_file' as a base64 code */
-        if( 0 < strlen( opt.context_file ) )
-        {
+        if (0 < strlen(opt.context_file)) {
             FILE *b64_file;
             uint8_t *b64_buf;
             size_t b64_len;
 
-            mbedtls_printf( "  . Save serialized context to a file... " );
+            mbedtls_printf("  . Save serialized context to a file... ");
 
-            mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+            mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len);
 
-            if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Couldn't allocate buffer for "
-                                "the base64 code\n" );
+            if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) {
+                mbedtls_printf("failed\n  ! Couldn't allocate buffer for "
+                               "the base64 code\n");
                 goto exit;
             }
 
-            if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
-                                               context_buf, buf_len ) ) != 0 )
-            {
-                mbedtls_printf( "failed\n  ! mbedtls_base64_encode returned "
-                            "-0x%x\n", (unsigned int) -ret );
-                mbedtls_free( b64_buf );
+            if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len,
+                                             context_buf, buf_len)) != 0) {
+                mbedtls_printf("failed\n  ! mbedtls_base64_encode returned "
+                               "-0x%x\n",
+                               (unsigned int)-ret);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Cannot open '%s' for writing.\n",
-                                opt.context_file );
-                mbedtls_free( b64_buf );
+            if ((b64_file = fopen(opt.context_file, "w")) == NULL) {
+                mbedtls_printf("failed\n  ! Cannot open '%s' for writing.\n",
+                               opt.context_file);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
-            {
-                mbedtls_printf( "failed\n  ! fwrite(%ld bytes) failed\n",
-                                (long) b64_len );
-                mbedtls_free( b64_buf );
-                fclose( b64_file );
+            if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) {
+                mbedtls_printf("failed\n  ! fwrite(%ld bytes) failed\n",
+                               (long)b64_len);
+                mbedtls_free(b64_buf);
+                fclose(b64_file);
                 goto exit;
             }
 
-            mbedtls_free( b64_buf );
-            fclose( b64_file );
+            mbedtls_free(b64_buf);
+            fclose(b64_file);
 
-            mbedtls_printf( "ok\n" );
+            mbedtls_printf("ok\n");
         }
 
-        if( opt.serialize == 1 )
-        {
+        if (opt.serialize == 1) {
             /* nothing to do here, done by context_save() already */
-            mbedtls_printf( "  . Context has been reset... ok\n" );
+            mbedtls_printf("  . Context has been reset... ok\n");
         }
 
-        if( opt.serialize == 2 )
-        {
-            mbedtls_printf( "  . Freeing and reinitializing context..." );
+        if (opt.serialize == 2) {
+            mbedtls_printf("  . Freeing and reinitializing context...");
 
-            mbedtls_ssl_free( &ssl );
+            mbedtls_ssl_free(&ssl);
 
-            mbedtls_ssl_init( &ssl );
+            mbedtls_ssl_init(&ssl);
 
-            if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned "
-                                "-0x%x\n\n", (unsigned int) -ret );
+            if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned "
+                               "-0x%x\n\n",
+                               (unsigned int)-ret);
                 goto exit;
             }
 
-            if( opt.nbio == 2 )
-                mbedtls_ssl_set_bio( &ssl, &server_fd, delayed_send,
-                                     delayed_recv, NULL );
+            if (opt.nbio == 2)
+                mbedtls_ssl_set_bio(&ssl, &server_fd, delayed_send,
+                                    delayed_recv, NULL);
             else
-                mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send,
-                            mbedtls_net_recv,
-                            opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+                mbedtls_ssl_set_bio(
+                    &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                    opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL);
 
-#if defined(MBEDTLS_TIMING_C)
-                mbedtls_ssl_set_timer_cb( &ssl, &timer,
-                                          mbedtls_timing_set_delay,
-                                          mbedtls_timing_get_delay );
-#endif /* MBEDTLS_TIMING_C */
+#        if defined(MBEDTLS_TIMING_C)
+            mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                                     mbedtls_timing_get_delay);
+#        endif /* MBEDTLS_TIMING_C */
 
-            mbedtls_printf( " ok\n" );
+            mbedtls_printf(" ok\n");
         }
 
-        mbedtls_printf( "  . Deserializing connection..." );
+        mbedtls_printf("  . Deserializing connection...");
 
-        if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
-                                              buf_len ) ) != 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_context_load returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_load(&ssl, context_buf, buf_len)) != 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_context_load returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        mbedtls_free( context_buf );
+        mbedtls_free(context_buf);
         context_buf = NULL;
         context_buf_len = 0;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+#    endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
 
     /*
      * 7d. Continue doing data exchanges?
      */
-    if( --opt.exchanges > 0 )
+    if (--opt.exchanges > 0)
         goto send_request;
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
-    fflush( stdout );
+    mbedtls_printf("  . Closing the connection...");
+    fflush(stdout);
 
     /*
      * Most of the time sending a close_notify before closing is the right
@@ -2774,97 +2517,94 @@
      * failures in tests that use DTLS and resumption with ssl_server2 in
      * ssl-opt.sh, avoided by enabling skip_close_notify client-side.
      */
-    if( opt.skip_close_notify == 0 )
-    {
+    if (opt.skip_close_notify == 0) {
         /* No error checking, the connection might be closed already */
-        do ret = mbedtls_ssl_close_notify( &ssl );
-        while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+        do
+            ret = mbedtls_ssl_close_notify(&ssl);
+        while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
         ret = 0;
     }
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     /*
      * 9. Reconnect?
      */
 reconnect:
-    if( opt.reconnect != 0 )
-    {
+    if (opt.reconnect != 0) {
         --opt.reconnect;
 
-        mbedtls_net_free( &server_fd );
+        mbedtls_net_free(&server_fd);
 
-#if defined(MBEDTLS_TIMING_C)
-        if( opt.reco_delay > 0 )
-            mbedtls_net_usleep( 1000000 * opt.reco_delay );
-#endif
+#    if defined(MBEDTLS_TIMING_C)
+        if (opt.reco_delay > 0)
+            mbedtls_net_usleep(1000000 * opt.reco_delay);
+#    endif
 
-        mbedtls_printf( "  . Reconnecting with saved session..." );
+        mbedtls_printf("  . Reconnecting with saved session...");
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-        memset( peer_crt_info, 0, sizeof( peer_crt_info ) );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+        memset(peer_crt_info, 0, sizeof(peer_crt_info));
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-        if( ( ret = mbedtls_ssl_session_reset( &ssl ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_session_reset(&ssl)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_session_reset returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        if( opt.reco_mode == 1 )
-        {
-            if( ( ret = mbedtls_ssl_session_load( &saved_session,
-                                                  session_data,
-                                                  session_data_len ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_session_load returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (opt.reco_mode == 1) {
+            if ((ret = mbedtls_ssl_session_load(&saved_session, session_data,
+                                                session_data_len)) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_session_load returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
         }
 
-        if( ( ret = mbedtls_ssl_set_session( &ssl, &saved_session ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_session returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_set_session(&ssl, &saved_session)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_set_session returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        if( ( ret = mbedtls_net_connect( &server_fd,
-                        opt.server_addr, opt.server_port,
-                        opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                        MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_net_connect(
+                 &server_fd, opt.server_addr, opt.server_port,
+                 opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                     MBEDTLS_NET_PROTO_TCP :
+                     MBEDTLS_NET_PROTO_UDP)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_net_connect returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        if( opt.nbio > 0 )
-            ret = mbedtls_net_set_nonblock( &server_fd );
+        if (opt.nbio > 0)
+            ret = mbedtls_net_set_nonblock(&server_fd);
         else
-            ret = mbedtls_net_set_block( &server_fd );
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
-                            (unsigned int) -ret );
+            ret = mbedtls_net_set_block(&server_fd);
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
                 ret != MBEDTLS_ERR_SSL_WANT_WRITE &&
-                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
-                                (unsigned int) -ret );
+                ret != MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         goto send_request;
     }
@@ -2873,96 +2613,93 @@
      * Cleanup and exit
      */
 exit:
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int)-ret,
+                       error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &server_fd );
+    mbedtls_net_free(&server_fd);
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_free( &clicert );
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_pk_free( &pkey );
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    psa_destroy_key( key_slot );
-#endif
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_free(&clicert);
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_pk_free(&pkey);
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+    psa_destroy_key(key_slot);
+#        endif
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
-    defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
+        defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.psk_opaque != 0) {
         /* This is ok even if the slot hasn't been
          * initialized (we might have jumed here
          * immediately because of bad cmd line params,
          * for example). */
-        status = psa_destroy_key( slot );
-        if( ( status != PSA_SUCCESS ) &&
-            ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        {
-            mbedtls_printf( "Failed to destroy key slot %u - error was %d",
-                            (unsigned) slot, (int) status );
-            if( ret == 0 )
+        status = psa_destroy_key(slot);
+        if ((status != PSA_SUCCESS) &&
+            (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
+            mbedtls_printf("Failed to destroy key slot %u - error was %d",
+                           (unsigned)slot, (int)status);
+            if (ret == 0)
                 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         }
     }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED &&
-          MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED && \
+              MBEDTLS_USE_PSA_CRYPTO */
 
-    mbedtls_ssl_session_free( &saved_session );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    rng_free( &rng );
-    if( session_data != NULL )
-        mbedtls_platform_zeroize( session_data, session_data_len );
-    mbedtls_free( session_data );
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( context_buf != NULL )
-        mbedtls_platform_zeroize( context_buf, context_buf_len );
-    mbedtls_free( context_buf );
-#endif
+    mbedtls_ssl_session_free(&saved_session);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    rng_free(&rng);
+    if (session_data != NULL)
+        mbedtls_platform_zeroize(session_data, session_data_len);
+    mbedtls_free(session_data);
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    if (context_buf != NULL)
+        mbedtls_platform_zeroize(context_buf, context_buf_len);
+    mbedtls_free(context_buf);
+#    endif
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    mbedtls_psa_crypto_free( );
-#endif
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    mbedtls_psa_crypto_free();
+#    endif
 
-#if defined(MBEDTLS_TEST_HOOKS)
-    if( test_hooks_failure_detected( ) )
-    {
-        if( ret == 0 )
+#    if defined(MBEDTLS_TEST_HOOKS)
+    if (test_hooks_failure_detected()) {
+        if (ret == 0)
             ret = 1;
-        mbedtls_printf( "Test hooks detected errors.\n" );
+        mbedtls_printf("Test hooks detected errors.\n");
     }
-    test_hooks_free( );
-#endif /* MBEDTLS_TEST_HOOKS */
+    test_hooks_free();
+#    endif /* MBEDTLS_TEST_HOOKS */
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#if defined(MBEDTLS_MEMORY_DEBUG)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#        if defined(MBEDTLS_MEMORY_DEBUG)
     mbedtls_memory_buffer_alloc_status();
-#endif
+#        endif
     mbedtls_memory_buffer_alloc_free();
-#endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+#    endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
-#if defined(_WIN32)
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        mbedtls_printf( "  + Press Enter to exit this program.\n" );
-        fflush( stdout ); getchar();
+#    if defined(_WIN32)
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_printf("  + Press Enter to exit this program.\n");
+        fflush(stdout);
+        getchar();
     }
-#endif
+#    endif
 
     // Shell can not handle large exit numbers -> 1 for errors
-    if( ret < 0 )
+    if (ret < 0)
         ret = 1;
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-        mbedtls_exit( ret );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)
+        mbedtls_exit(ret);
     else
-        mbedtls_exit( query_config_ret );
+        mbedtls_exit(query_config_ret);
 }
 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_CLI_C */
diff --git a/programs/ssl/ssl_context_info.c b/programs/ssl/ssl_context_info.c
index 67e922c..ef8f590 100644
--- a/programs/ssl/ssl_context_info.c
+++ b/programs/ssl/ssl_context_info.c
@@ -26,112 +26,116 @@
 
 #if !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_ERROR_C) || \
     !defined(MBEDTLS_SSL_TLS_C)
-int main( void )
+int main(void)
 {
     printf("MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_ERROR_C and/or "
            "MBEDTLS_SSL_TLS_C not defined.\n");
-    return 0 ;
+    return 0;
 }
 #else
 
-#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
-#define _CRT_SECURE_NO_DEPRECATE 1
-#endif
+#    if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
+#        define _CRT_SECURE_NO_DEPRECATE 1
+#    endif
 
-#include <stdint.h>
-#include <stdarg.h>
-#include <string.h>
-#include <time.h>
-#include "mbedtls/ssl.h"
-#include "mbedtls/error.h"
-#include "mbedtls/base64.h"
-#include "mbedtls/md.h"
-#include "mbedtls/x509_crt.h"
-#include "mbedtls/ssl_ciphersuites.h"
+#    include <stdint.h>
+#    include <stdarg.h>
+#    include <string.h>
+#    include <time.h>
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/base64.h"
+#    include "mbedtls/md.h"
+#    include "mbedtls/x509_crt.h"
+#    include "mbedtls/ssl_ciphersuites.h"
 
 /*
  * This program version
  */
-#define PROG_NAME "ssl_context_info"
-#define VER_MAJOR 0
-#define VER_MINOR 1
+#    define PROG_NAME                        "ssl_context_info"
+#    define VER_MAJOR                        0
+#    define VER_MINOR                        1
 
 /*
  * Flags copied from the Mbed TLS library.
  */
-#define SESSION_CONFIG_TIME_BIT          ( 1 << 0 )
-#define SESSION_CONFIG_CRT_BIT           ( 1 << 1 )
-#define SESSION_CONFIG_CLIENT_TICKET_BIT ( 1 << 2 )
-#define SESSION_CONFIG_MFL_BIT           ( 1 << 3 )
-#define SESSION_CONFIG_TRUNC_HMAC_BIT    ( 1 << 4 )
-#define SESSION_CONFIG_ETM_BIT           ( 1 << 5 )
-#define SESSION_CONFIG_TICKET_BIT        ( 1 << 6 )
+#    define SESSION_CONFIG_TIME_BIT          (1 << 0)
+#    define SESSION_CONFIG_CRT_BIT           (1 << 1)
+#    define SESSION_CONFIG_CLIENT_TICKET_BIT (1 << 2)
+#    define SESSION_CONFIG_MFL_BIT           (1 << 3)
+#    define SESSION_CONFIG_TRUNC_HMAC_BIT    (1 << 4)
+#    define SESSION_CONFIG_ETM_BIT           (1 << 5)
+#    define SESSION_CONFIG_TICKET_BIT        (1 << 6)
 
-#define CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT    ( 1 << 0 )
-#define CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT     ( 1 << 1 )
-#define CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT      ( 1 << 2 )
-#define CONTEXT_CONFIG_ALPN_BIT                  ( 1 << 3 )
+#    define CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT (1 << 0)
+#    define CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT  (1 << 1)
+#    define CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT   (1 << 2)
+#    define CONTEXT_CONFIG_ALPN_BIT               (1 << 3)
 
-#define TRANSFORM_RANDBYTE_LEN  64
+#    define TRANSFORM_RANDBYTE_LEN 64
 
 /*
  * Minimum and maximum number of bytes for specific data: context, sessions,
  * certificates, tickets and buffers in the program. The context and session
- * size values have been calculated based on the 'print_deserialized_ssl_context()'
- * and 'print_deserialized_ssl_session()' content.
+ * size values have been calculated based on the
+ * 'print_deserialized_ssl_context()' and 'print_deserialized_ssl_session()'
+ * content.
  */
-#define MIN_CONTEXT_LEN     84
-#define MIN_SESSION_LEN     88
+#    define MIN_CONTEXT_LEN        84
+#    define MIN_SESSION_LEN        88
 
-#define MAX_CONTEXT_LEN     875     /* without session data */
-#define MAX_SESSION_LEN     109     /* without certificate and ticket data */
-#define MAX_CERTIFICATE_LEN ( ( 1 << 24 ) - 1 )
-#define MAX_TICKET_LEN      ( ( 1 << 24 ) - 1 )
+#    define MAX_CONTEXT_LEN     875 /* without session data */
+#    define MAX_SESSION_LEN     109 /* without certificate and ticket data */
+#    define MAX_CERTIFICATE_LEN ((1 << 24) - 1)
+#    define MAX_TICKET_LEN      ((1 << 24) - 1)
 
-#define MIN_SERIALIZED_DATA ( MIN_CONTEXT_LEN + MIN_SESSION_LEN )
-#define MAX_SERIALIZED_DATA ( MAX_CONTEXT_LEN + MAX_SESSION_LEN + \
-                              MAX_CERTIFICATE_LEN + MAX_TICKET_LEN )
+#    define MIN_SERIALIZED_DATA (MIN_CONTEXT_LEN + MIN_SESSION_LEN)
+#    define MAX_SERIALIZED_DATA                                    \
+        (MAX_CONTEXT_LEN + MAX_SESSION_LEN + MAX_CERTIFICATE_LEN + \
+         MAX_TICKET_LEN)
 
-#define MIN_BASE64_LEN      ( MIN_SERIALIZED_DATA * 4 / 3 )
-#define MAX_BASE64_LEN      ( MAX_SERIALIZED_DATA * 4 / 3 + 3 )
+#    define MIN_BASE64_LEN (MIN_SERIALIZED_DATA * 4 / 3)
+#    define MAX_BASE64_LEN (MAX_SERIALIZED_DATA * 4 / 3 + 3)
 
 /*
  * A macro that prevents from reading out of the ssl buffer range.
  */
-#define CHECK_SSL_END( LEN )            \
-do                                      \
-{                                       \
-    if( end - ssl < (int)( LEN ) )      \
-    {                                   \
-        printf_err( "%s", buf_ln_err ); \
-        return;                         \
-    }                                   \
-} while( 0 )
+#    define CHECK_SSL_END(LEN)                \
+        do {                                  \
+            if (end - ssl < (int)(LEN)) {     \
+                printf_err("%s", buf_ln_err); \
+                return;                       \
+            }                                 \
+        } while (0)
 
 /*
  * Global values
  */
-FILE *b64_file = NULL;                  /* file with base64 codes to deserialize */
-char conf_keep_peer_certificate = 1;    /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE from mbedTLS configuration */
-char conf_dtls_proto = 1;               /* MBEDTLS_SSL_PROTO_DTLS from mbedTLS configuration */
-char debug = 0;                         /* flag for debug messages */
+FILE *b64_file = NULL; /* file with base64 codes to deserialize */
+char conf_keep_peer_certificate = 1; /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE from
+                                        mbedTLS configuration */
+char conf_dtls_proto = 1; /* MBEDTLS_SSL_PROTO_DTLS from mbedTLS configuration
+                           */
+char debug = 0; /* flag for debug messages */
 const char alloc_err[] = "Cannot allocate memory\n";
-const char buf_ln_err[] = "Buffer does not have enough data to complete the parsing\n";
+const char buf_ln_err[] =
+    "Buffer does not have enough data to complete the parsing\n";
 
 /*
  * Basic printing functions
  */
-void print_version( )
+void print_version()
 {
-    printf( "%s v%d.%d\n", PROG_NAME, VER_MAJOR, VER_MINOR );
+    printf("%s v%d.%d\n", PROG_NAME, VER_MAJOR, VER_MINOR);
 }
 
-void print_usage( )
+void print_usage()
 {
     print_version();
-    printf( "\nThis program is used to deserialize an Mbed TLS SSL session from the base64 code provided\n"
-            "in the text file. The program can deserialize many codes from one file, but they must be\n"
-            "separated, e.g. by a newline.\n\n" );
+    printf(
+        "\nThis program is used to deserialize an Mbed TLS SSL session from the base64 code provided\n"
+        "in the text file. The program can deserialize many codes from one file, but they must be\n"
+        "separated, e.g. by a newline.\n\n");
     printf(
         "Usage:\n"
         "\t-f path            - Path to the file with base64 code\n"
@@ -144,32 +148,30 @@
         "\t                     the information about certificate\n"
         "\t--dtls-protocol=0  - Use this option if you know that the Mbed TLS library\n"
         "\t                     has been compiled without the MBEDTLS_SSL_PROTO_DTLS flag\n"
-        "\n"
-    );
+        "\n");
 }
 
-void printf_dbg( const char *str, ... )
+void printf_dbg(const char *str, ...)
 {
-    if( debug )
-    {
+    if (debug) {
         va_list args;
-        va_start( args, str );
-        printf( "debug: " );
-        vprintf( str, args );
-        fflush( stdout );
-        va_end( args );
+        va_start(args, str);
+        printf("debug: ");
+        vprintf(str, args);
+        fflush(stdout);
+        va_end(args);
     }
 }
 
-void printf_err( const char *str, ... )
+void printf_err(const char *str, ...)
 {
     va_list args;
-    va_start( args, str );
-    fflush( stdout );
-    fprintf( stderr, "ERROR: " );
-    vfprintf( stderr, str, args );
-    fflush( stderr );
-    va_end( args );
+    va_start(args, str);
+    fflush(stdout);
+    fprintf(stderr, "ERROR: ");
+    vfprintf(stderr, str, args);
+    fflush(stderr);
+    va_end(args);
 }
 
 /*
@@ -177,64 +179,46 @@
  */
 void error_exit()
 {
-    if( NULL != b64_file )
-    {
-        fclose( b64_file );
+    if (NULL != b64_file) {
+        fclose(b64_file);
     }
-    exit( -1 );
+    exit(-1);
 }
 
 /*
  * This function takes the input arguments of this program
  */
-void parse_arguments( int argc, char *argv[] )
+void parse_arguments(int argc, char *argv[])
 {
     int i = 1;
 
-    if( argc < 2 )
-    {
+    if (argc < 2) {
         print_usage();
         error_exit();
     }
 
-    while( i < argc )
-    {
-        if( strcmp( argv[i], "-d" ) == 0 )
-        {
+    while (i < argc) {
+        if (strcmp(argv[i], "-d") == 0) {
             debug = 1;
-        }
-        else if( strcmp( argv[i], "-h" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "-h") == 0) {
             print_usage();
-        }
-        else if( strcmp( argv[i], "-v" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "-v") == 0) {
             print_version();
-        }
-        else if( strcmp( argv[i], "-f" ) == 0 )
-        {
-            if( ++i >= argc )
-            {
-                printf_err( "File path is empty\n" );
+        } else if (strcmp(argv[i], "-f") == 0) {
+            if (++i >= argc) {
+                printf_err("File path is empty\n");
                 error_exit();
             }
 
-            if( ( b64_file = fopen( argv[i], "r" ) ) == NULL )
-            {
-                printf_err( "Cannot find file \"%s\"\n", argv[i] );
+            if ((b64_file = fopen(argv[i], "r")) == NULL) {
+                printf_err("Cannot find file \"%s\"\n", argv[i]);
                 error_exit();
             }
-        }
-        else if( strcmp( argv[i], "--keep-peer-cert=0" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "--keep-peer-cert=0") == 0) {
             conf_keep_peer_certificate = 0;
-        }
-        else if( strcmp( argv[i], "--dtls-protocol=0" ) == 0 )
-        {
+        } else if (strcmp(argv[i], "--dtls-protocol=0") == 0) {
             conf_dtls_proto = 0;
-        }
-        else
-        {
+        } else {
             print_usage();
             error_exit();
         }
@@ -246,22 +230,20 @@
 /*
  * This function prints base64 code to the stdout
  */
-void print_b64( const uint8_t *b, size_t len )
+void print_b64(const uint8_t *b, size_t len)
 {
     size_t i = 0;
     const uint8_t *end = b + len;
     printf("\t");
-    while( b < end )
-    {
-        if( ++i > 75 )
-        {
-            printf( "\n\t" );
+    while (b < end) {
+        if (++i > 75) {
+            printf("\n\t");
             i = 0;
         }
-        printf( "%c", *b++ );
+        printf("%c", *b++);
     }
-    printf( "\n" );
-    fflush( stdout );
+    printf("\n");
+    fflush(stdout);
 }
 
 /*
@@ -272,25 +254,24 @@
  * /p in_line   number of bytes in one line
  * /p prefix    prefix for the new lines
  */
-void print_hex( const uint8_t *b, size_t len,
-                const size_t in_line, const char *prefix )
+void print_hex(const uint8_t *b,
+               size_t len,
+               const size_t in_line,
+               const char *prefix)
 {
     size_t i = 0;
     const uint8_t *end = b + len;
 
-    if( prefix == NULL )
-    {
+    if (prefix == NULL) {
         prefix = "";
     }
 
-    while( b < end )
-    {
-        if( ++i > in_line )
-        {
-            printf( "\n%s", prefix );
+    while (b < end) {
+        if (++i > in_line) {
+            printf("\n%s", prefix);
             i = 1;
         }
-        printf( "%02X ", (uint8_t) *b++ );
+        printf("%02X ", (uint8_t)*b++);
     }
     printf("\n");
     fflush(stdout);
@@ -299,48 +280,45 @@
 /*
  *  Print the value of time_t in format e.g. 2020-01-23 13:05:59
  */
-void print_time( const time_t *time )
+void print_time(const time_t *time)
 {
     char buf[20];
-    struct tm *t = gmtime( time );
+    struct tm *t = gmtime(time);
     static const char format[] = "%Y-%m-%d %H:%M:%S";
-    if( NULL != t )
-    {
-        strftime( buf, sizeof( buf ), format, t );
-        printf( "%s\n", buf );
-    }
-    else
-    {
-        printf( "unknown\n" );
+    if (NULL != t) {
+        strftime(buf, sizeof(buf), format, t);
+        printf("%s\n", buf);
+    } else {
+        printf("unknown\n");
     }
 }
 
 /*
  * Print the input string if the bit is set in the value
  */
-void print_if_bit( const char *str, int bit, int val )
+void print_if_bit(const char *str, int bit, int val)
 {
-    if( bit & val )
-    {
-        printf( "\t%s\n", str );
+    if (bit & val) {
+        printf("\t%s\n", str);
     }
 }
 
 /*
- * Return pointer to hardcoded "enabled" or "disabled" depending on the input value
+ * Return pointer to hardcoded "enabled" or "disabled" depending on the input
+ * value
  */
-const char * get_enabled_str( int is_en )
+const char *get_enabled_str(int is_en)
 {
-    return ( is_en ) ? "enabled" : "disabled";
+    return (is_en) ? "enabled" : "disabled";
 }
 
 /*
- * Return pointer to hardcoded MFL string value depending on the MFL code at the input
+ * Return pointer to hardcoded MFL string value depending on the MFL code at the
+ * input
  */
-const char * get_mfl_str( int mfl_code )
+const char *get_mfl_str(int mfl_code)
 {
-    switch( mfl_code )
-    {
+    switch (mfl_code) {
         case MBEDTLS_SSL_MAX_FRAG_LEN_NONE:
             return "none";
         case MBEDTLS_SSL_MAX_FRAG_LEN_512:
@@ -368,186 +346,154 @@
  * /p max_len   pointer to the current buffer capacity. It can be changed if
  *              the buffer needs to be increased
  *
- * \retval      number of bytes written in to the b64 buffer or 0 in case no more
+ * \retval      number of bytes written in to the b64 buffer or 0 in case no
+ * more
  *              data was found
  */
-size_t read_next_b64_code( uint8_t **b64, size_t *max_len )
+size_t read_next_b64_code(uint8_t **b64, size_t *max_len)
 {
-    int valid_balance = 0;  /* balance between valid and invalid characters */
+    int valid_balance = 0; /* balance between valid and invalid characters */
     size_t len = 0;
     char pad = 0;
     int c = 0;
 
-    while( EOF != c )
-    {
+    while (EOF != c) {
         char c_valid = 0;
 
-        c = fgetc( b64_file );
+        c = fgetc(b64_file);
 
-        if( pad > 0 )
-        {
-            if( c == '=' && pad == 1 )
-            {
+        if (pad > 0) {
+            if (c == '=' && pad == 1) {
                 c_valid = 1;
                 pad = 2;
             }
-        }
-        else if( ( c >= 'A' && c <= 'Z' ) ||
-                 ( c >= 'a' && c <= 'z' ) ||
-                 ( c >= '0' && c <= '9' ) ||
-                   c == '+' || c == '/' )
-        {
+        } else if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') ||
+                   (c >= '0' && c <= '9') || c == '+' || c == '/') {
             c_valid = 1;
-        }
-        else if( c == '=' )
-        {
+        } else if (c == '=') {
             c_valid = 1;
             pad = 1;
-        }
-        else if( c == '-' )
-        {
+        } else if (c == '-') {
             c = '+';
             c_valid = 1;
-        }
-        else if( c == '_' )
-        {
+        } else if (c == '_') {
             c = '/';
             c_valid = 1;
         }
 
-        if( c_valid )
-        {
+        if (c_valid) {
             /* A string of characters that could be a base64 code. */
             valid_balance++;
 
-            if( len < *max_len )
-            {
-                ( *b64 )[ len++ ] = c;
-            }
-            else if( *max_len < MAX_BASE64_LEN )
-            {
+            if (len < *max_len) {
+                (*b64)[len++] = c;
+            } else if (*max_len < MAX_BASE64_LEN) {
                 /* Current buffer is too small, but can be resized. */
                 void *ptr;
-                size_t new_size = ( MAX_BASE64_LEN - 4096 > *max_len ) ?
-                                  *max_len + 4096 : MAX_BASE64_LEN;
+                size_t new_size = (MAX_BASE64_LEN - 4096 > *max_len) ?
+                                      *max_len + 4096 :
+                                      MAX_BASE64_LEN;
 
-                ptr = realloc( *b64, new_size );
-                if( NULL == ptr )
-                {
-                    printf_err( alloc_err );
+                ptr = realloc(*b64, new_size);
+                if (NULL == ptr) {
+                    printf_err(alloc_err);
                     return 0;
                 }
                 *b64 = ptr;
                 *max_len = new_size;
-                ( *b64 )[ len++ ] = c;
-            }
-            else
-            {
+                (*b64)[len++] = c;
+            } else {
                 /* Too much data so it will be treated as invalid */
                 len++;
             }
-        }
-        else if( len > 0 )
-        {
+        } else if (len > 0) {
             /* End of a string that could be a base64 code, but need to check
              * that the length of the characters is correct. */
 
             valid_balance--;
 
-            if( len < MIN_CONTEXT_LEN )
-            {
-                printf_dbg( "The code found is too small to be a SSL context.\n" );
+            if (len < MIN_CONTEXT_LEN) {
+                printf_dbg(
+                    "The code found is too small to be a SSL context.\n");
                 len = pad = 0;
-            }
-            else if( len > *max_len )
-            {
-                printf_err( "The code found is too large by %u bytes.\n", len - *max_len );
+            } else if (len > *max_len) {
+                printf_err("The code found is too large by %u bytes.\n",
+                           len - *max_len);
                 len = pad = 0;
-            }
-            else if( len % 4 != 0 )
-            {
-                printf_err( "The length of the base64 code found should be a multiple of 4.\n" );
+            } else if (len % 4 != 0) {
+                printf_err(
+                    "The length of the base64 code found should be a multiple of 4.\n");
                 len = pad = 0;
-            }
-            else
-            {
+            } else {
                 /* Base64 code with valid character length. */
                 return len;
             }
-        }
-        else
-        {
+        } else {
             valid_balance--;
         }
 
-        /* Detection of potentially wrong file format like: binary, zip, ISO, etc. */
-        if( valid_balance < -100 )
-        {
-            printf_err( "Too many bad symbols detected. File check aborted.\n" );
+        /* Detection of potentially wrong file format like: binary, zip, ISO,
+         * etc. */
+        if (valid_balance < -100) {
+            printf_err("Too many bad symbols detected. File check aborted.\n");
             return 0;
         }
     }
 
-    printf_dbg( "End of file\n" );
+    printf_dbg("End of file\n");
     return 0;
 }
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
 /*
  * This function deserializes and prints to the stdout all obtained information
  * about the certificates from provided data.
  *
  * /p ssl   pointer to serialized certificate
  * /p len   number of bytes in the buffer
-*/
-void print_deserialized_ssl_cert( const uint8_t *ssl, uint32_t len )
+ */
+void print_deserialized_ssl_cert(const uint8_t *ssl, uint32_t len)
 {
-    enum { STRLEN = 4096 };
+    enum
+    {
+        STRLEN = 4096
+    };
     mbedtls_x509_crt crt;
     int ret;
     char str[STRLEN];
 
-    printf( "\nCertificate:\n" );
+    printf("\nCertificate:\n");
 
-    mbedtls_x509_crt_init( &crt );
-    ret = mbedtls_x509_crt_parse_der( &crt, ssl, len );
-    if( 0 != ret )
-    {
-        mbedtls_strerror( ret, str, STRLEN );
-        printf_err( "Invalid format of X.509 - %s\n", str );
-        printf( "Cannot deserialize:\n\t" );
-        print_hex( ssl, len, 25, "\t" );
-    }
-    else
-    {
+    mbedtls_x509_crt_init(&crt);
+    ret = mbedtls_x509_crt_parse_der(&crt, ssl, len);
+    if (0 != ret) {
+        mbedtls_strerror(ret, str, STRLEN);
+        printf_err("Invalid format of X.509 - %s\n", str);
+        printf("Cannot deserialize:\n\t");
+        print_hex(ssl, len, 25, "\t");
+    } else {
         mbedtls_x509_crt *current = &crt;
 
-        while( current != NULL )
-        {
-            ret = mbedtls_x509_crt_info( str, STRLEN, "\t", current );
-            if( 0 > ret )
-            {
-                mbedtls_strerror( ret, str, STRLEN );
-                printf_err( "Cannot write to the output - %s\n", str );
-            }
-            else
-            {
-                printf( "%s", str );
+        while (current != NULL) {
+            ret = mbedtls_x509_crt_info(str, STRLEN, "\t", current);
+            if (0 > ret) {
+                mbedtls_strerror(ret, str, STRLEN);
+                printf_err("Cannot write to the output - %s\n", str);
+            } else {
+                printf("%s", str);
             }
 
             current = current->next;
 
-            if( current )
-            {
-                printf( "\n" );
+            if (current) {
+                printf("\n");
             }
-
         }
     }
 
-   mbedtls_x509_crt_free( &crt );
+    mbedtls_x509_crt_free(&crt);
 }
-#endif /* !MBEDTLS_X509_REMOVE_INFO */
+#    endif /* !MBEDTLS_X509_REMOVE_INFO */
 
 /*
  * This function deserializes and prints to the stdout all obtained information
@@ -574,223 +520,191 @@
  * /p len               number of bytes in the buffer
  * /p session_cfg_flag  session configuration flags
  */
-void print_deserialized_ssl_session( const uint8_t *ssl, uint32_t len,
-                                     int session_cfg_flag )
+void print_deserialized_ssl_session(const uint8_t *ssl,
+                                    uint32_t len,
+                                    int session_cfg_flag)
 {
-    const struct mbedtls_ssl_ciphersuite_t * ciphersuite_info;
+    const struct mbedtls_ssl_ciphersuite_t *ciphersuite_info;
     int ciphersuite_id;
     uint32_t cert_len, ticket_len;
     uint32_t verify_result, ticket_lifetime;
     const uint8_t *end = ssl + len;
 
-    printf( "\nSession info:\n" );
+    printf("\nSession info:\n");
 
-    if( session_cfg_flag & SESSION_CONFIG_TIME_BIT )
-    {
+    if (session_cfg_flag & SESSION_CONFIG_TIME_BIT) {
         uint64_t start;
-        CHECK_SSL_END( 8 );
-        start = ( (uint64_t) ssl[0] << 56 ) |
-                ( (uint64_t) ssl[1] << 48 ) |
-                ( (uint64_t) ssl[2] << 40 ) |
-                ( (uint64_t) ssl[3] << 32 ) |
-                ( (uint64_t) ssl[4] << 24 ) |
-                ( (uint64_t) ssl[5] << 16 ) |
-                ( (uint64_t) ssl[6] <<  8 ) |
-                ( (uint64_t) ssl[7] );
+        CHECK_SSL_END(8);
+        start = ((uint64_t)ssl[0] << 56) | ((uint64_t)ssl[1] << 48) |
+                ((uint64_t)ssl[2] << 40) | ((uint64_t)ssl[3] << 32) |
+                ((uint64_t)ssl[4] << 24) | ((uint64_t)ssl[5] << 16) |
+                ((uint64_t)ssl[6] << 8) | ((uint64_t)ssl[7]);
         ssl += 8;
-        printf( "\tstart time     : " );
-        print_time( (time_t*) &start );
+        printf("\tstart time     : ");
+        print_time((time_t *)&start);
     }
 
-    CHECK_SSL_END( 2 );
-    ciphersuite_id = ( (int) ssl[0] << 8 ) | (int) ssl[1];
-    printf_dbg( "Ciphersuite ID: %d\n", ciphersuite_id );
+    CHECK_SSL_END(2);
+    ciphersuite_id = ((int)ssl[0] << 8) | (int)ssl[1];
+    printf_dbg("Ciphersuite ID: %d\n", ciphersuite_id);
     ssl += 2;
 
-    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuite_id );
-    if( ciphersuite_info == NULL )
-    {
-        printf_err( "Cannot find ciphersuite info\n" );
-    }
-    else
-    {
+    ciphersuite_info = mbedtls_ssl_ciphersuite_from_id(ciphersuite_id);
+    if (ciphersuite_info == NULL) {
+        printf_err("Cannot find ciphersuite info\n");
+    } else {
         const mbedtls_cipher_info_t *cipher_info;
         const mbedtls_md_info_t *md_info;
 
-        printf( "\tciphersuite    : %s\n", ciphersuite_info->name );
-        printf( "\tcipher flags   : 0x%02X\n", ciphersuite_info->flags );
+        printf("\tciphersuite    : %s\n", ciphersuite_info->name);
+        printf("\tcipher flags   : 0x%02X\n", ciphersuite_info->flags);
 
-        cipher_info = mbedtls_cipher_info_from_type( ciphersuite_info->cipher );
-        if( cipher_info == NULL )
-        {
-            printf_err( "Cannot find cipher info\n" );
-        }
-        else
-        {
-            printf( "\tcipher         : %s\n", cipher_info->name );
+        cipher_info = mbedtls_cipher_info_from_type(ciphersuite_info->cipher);
+        if (cipher_info == NULL) {
+            printf_err("Cannot find cipher info\n");
+        } else {
+            printf("\tcipher         : %s\n", cipher_info->name);
         }
 
-        md_info = mbedtls_md_info_from_type( ciphersuite_info->mac );
-        if( md_info == NULL )
-        {
-            printf_err( "Cannot find Message-Digest info\n" );
-        }
-        else
-        {
-            printf( "\tMessage-Digest : %s\n", mbedtls_md_get_name( md_info ) );
+        md_info = mbedtls_md_info_from_type(ciphersuite_info->mac);
+        if (md_info == NULL) {
+            printf_err("Cannot find Message-Digest info\n");
+        } else {
+            printf("\tMessage-Digest : %s\n", mbedtls_md_get_name(md_info));
         }
     }
 
-    CHECK_SSL_END( 1 );
-    printf( "\tcompression    : %s\n", get_enabled_str( *ssl++ ) );
+    CHECK_SSL_END(1);
+    printf("\tcompression    : %s\n", get_enabled_str(*ssl++));
 
     /* Note - Here we can get session ID length from serialized data, but we
      * use hardcoded 32-bytes length. This approach was taken from
      * 'mbedtls_ssl_session_load()'. */
-    CHECK_SSL_END( 1 + 32 );
-    printf_dbg( "Session id length: %u\n", (uint32_t) *ssl++ );
-    printf( "\tsession ID     : ");
-    print_hex( ssl, 32, 16, "\t                 " );
+    CHECK_SSL_END(1 + 32);
+    printf_dbg("Session id length: %u\n", (uint32_t)*ssl++);
+    printf("\tsession ID     : ");
+    print_hex(ssl, 32, 16, "\t                 ");
     ssl += 32;
 
-    printf( "\tmaster secret  : ");
-    CHECK_SSL_END( 48 );
-    print_hex( ssl, 48, 16, "\t                 " );
+    printf("\tmaster secret  : ");
+    CHECK_SSL_END(48);
+    print_hex(ssl, 48, 16, "\t                 ");
     ssl += 48;
 
-    CHECK_SSL_END( 4 );
-    verify_result = ( (uint32_t) ssl[0] << 24 ) |
-                    ( (uint32_t) ssl[1] << 16 ) |
-                    ( (uint32_t) ssl[2] <<  8 ) |
-                    ( (uint32_t) ssl[3] );
+    CHECK_SSL_END(4);
+    verify_result = ((uint32_t)ssl[0] << 24) | ((uint32_t)ssl[1] << 16) |
+                    ((uint32_t)ssl[2] << 8) | ((uint32_t)ssl[3]);
     ssl += 4;
-    printf( "\tverify result  : 0x%08X\n", verify_result );
+    printf("\tverify result  : 0x%08X\n", verify_result);
 
-    if( SESSION_CONFIG_CRT_BIT & session_cfg_flag )
-    {
-        if( conf_keep_peer_certificate )
-        {
-            CHECK_SSL_END( 3 );
-            cert_len = ( (uint32_t) ssl[0] << 16 ) |
-                       ( (uint32_t) ssl[1] <<  8 ) |
-                       ( (uint32_t) ssl[2] );
+    if (SESSION_CONFIG_CRT_BIT & session_cfg_flag) {
+        if (conf_keep_peer_certificate) {
+            CHECK_SSL_END(3);
+            cert_len = ((uint32_t)ssl[0] << 16) | ((uint32_t)ssl[1] << 8) |
+                       ((uint32_t)ssl[2]);
             ssl += 3;
-            printf_dbg( "Certificate length: %u\n", cert_len );
+            printf_dbg("Certificate length: %u\n", cert_len);
 
-            if( cert_len > 0 )
-            {
-                CHECK_SSL_END( cert_len );
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-                print_deserialized_ssl_cert( ssl, cert_len );
-#endif
+            if (cert_len > 0) {
+                CHECK_SSL_END(cert_len);
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+                print_deserialized_ssl_cert(ssl, cert_len);
+#    endif
                 ssl += cert_len;
             }
-        }
-        else
-        {
-            printf( "\tPeer digest    : " );
+        } else {
+            printf("\tPeer digest    : ");
 
-            CHECK_SSL_END( 1 );
-            switch( (mbedtls_md_type_t) *ssl++ )
-            {
+            CHECK_SSL_END(1);
+            switch ((mbedtls_md_type_t)*ssl++) {
                 case MBEDTLS_MD_NONE:
-                    printf( "none\n" );
+                    printf("none\n");
                     break;
                 case MBEDTLS_MD_MD5:
-                    printf( "MD5\n" );
+                    printf("MD5\n");
                     break;
                 case MBEDTLS_MD_SHA1:
-                    printf( "SHA1\n" );
+                    printf("SHA1\n");
                     break;
                 case MBEDTLS_MD_SHA224:
-                    printf( "SHA224\n" );
+                    printf("SHA224\n");
                     break;
                 case MBEDTLS_MD_SHA256:
-                    printf( "SHA256\n" );
+                    printf("SHA256\n");
                     break;
                 case MBEDTLS_MD_SHA384:
-                    printf( "SHA384\n" );
+                    printf("SHA384\n");
                     break;
                 case MBEDTLS_MD_SHA512:
-                    printf( "SHA512\n" );
+                    printf("SHA512\n");
                     break;
                 case MBEDTLS_MD_RIPEMD160:
-                    printf( "RIPEMD160\n" );
+                    printf("RIPEMD160\n");
                     break;
                 default:
-                    printf( "undefined or erroneous\n" );
+                    printf("undefined or erroneous\n");
                     break;
             }
 
-            CHECK_SSL_END( 1 );
-            cert_len  = (uint32_t) *ssl++;
-            printf_dbg( "Message-Digest length: %u\n", cert_len );
+            CHECK_SSL_END(1);
+            cert_len = (uint32_t)*ssl++;
+            printf_dbg("Message-Digest length: %u\n", cert_len);
 
-            if( cert_len > 0 )
-            {
-                printf( "\tPeer digest cert : " );
-                CHECK_SSL_END( cert_len );
-                print_hex( ssl, cert_len, 16, "\t                   " );
+            if (cert_len > 0) {
+                printf("\tPeer digest cert : ");
+                CHECK_SSL_END(cert_len);
+                print_hex(ssl, cert_len, 16, "\t                   ");
                 ssl += cert_len;
             }
         }
     }
 
-    if( SESSION_CONFIG_CLIENT_TICKET_BIT & session_cfg_flag )
-    {
-        printf( "\nTicket:\n" );
+    if (SESSION_CONFIG_CLIENT_TICKET_BIT & session_cfg_flag) {
+        printf("\nTicket:\n");
 
-        CHECK_SSL_END( 3 );
-        ticket_len = ( (uint32_t) ssl[0] << 16 ) |
-                     ( (uint32_t) ssl[1] <<  8 ) |
-                     ( (uint32_t) ssl[2] );
+        CHECK_SSL_END(3);
+        ticket_len = ((uint32_t)ssl[0] << 16) | ((uint32_t)ssl[1] << 8) |
+                     ((uint32_t)ssl[2]);
         ssl += 3;
-        printf_dbg( "Ticket length: %u\n", ticket_len );
+        printf_dbg("Ticket length: %u\n", ticket_len);
 
-        if( ticket_len > 0 )
-        {
-            printf( "\t" );
-            CHECK_SSL_END( ticket_len );
-            print_hex( ssl, ticket_len, 22, "\t" );
+        if (ticket_len > 0) {
+            printf("\t");
+            CHECK_SSL_END(ticket_len);
+            print_hex(ssl, ticket_len, 22, "\t");
             ssl += ticket_len;
-            printf( "\n" );
+            printf("\n");
         }
 
-        CHECK_SSL_END( 4 );
-        ticket_lifetime = ( (uint32_t) ssl[0] << 24 ) |
-                          ( (uint32_t) ssl[1] << 16 ) |
-                          ( (uint32_t) ssl[2] <<  8 ) |
-                          ( (uint32_t) ssl[3] );
+        CHECK_SSL_END(4);
+        ticket_lifetime = ((uint32_t)ssl[0] << 24) | ((uint32_t)ssl[1] << 16) |
+                          ((uint32_t)ssl[2] << 8) | ((uint32_t)ssl[3]);
         ssl += 4;
-        printf( "\tlifetime : %u sec.\n", ticket_lifetime );
+        printf("\tlifetime : %u sec.\n", ticket_lifetime);
     }
 
-    if( ssl < end )
-    {
-        printf( "\nSession others:\n" );
+    if (ssl < end) {
+        printf("\nSession others:\n");
     }
 
-    if( SESSION_CONFIG_MFL_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tMFL                      : %s\n", get_mfl_str( *ssl++ ) );
+    if (SESSION_CONFIG_MFL_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tMFL                      : %s\n", get_mfl_str(*ssl++));
     }
 
-    if( SESSION_CONFIG_TRUNC_HMAC_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tnegotiate truncated HMAC : %s\n", get_enabled_str( *ssl++ ) );
+    if (SESSION_CONFIG_TRUNC_HMAC_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tnegotiate truncated HMAC : %s\n", get_enabled_str(*ssl++));
     }
 
-    if( SESSION_CONFIG_ETM_BIT & session_cfg_flag )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tEncrypt-then-MAC         : %s\n", get_enabled_str( *ssl++ ) );
+    if (SESSION_CONFIG_ETM_BIT & session_cfg_flag) {
+        CHECK_SSL_END(1);
+        printf("\tEncrypt-then-MAC         : %s\n", get_enabled_str(*ssl++));
     }
 
-    if( 0 != ( end - ssl ) )
-    {
-        printf_err( "%i bytes left to analyze from session\n", (int32_t)( end - ssl ) );
+    if (0 != (end - ssl)) {
+        printf_err("%i bytes left to analyze from session\n",
+                   (int32_t)(end - ssl));
     }
 }
 
@@ -827,189 +741,176 @@
  * /p ssl   pointer to serialized session
  * /p len   number of bytes in the buffer
  */
-void print_deserialized_ssl_context( const uint8_t *ssl, size_t len )
+void print_deserialized_ssl_context(const uint8_t *ssl, size_t len)
 {
     const uint8_t *end = ssl + len;
     uint32_t session_len;
     int session_cfg_flag;
     int context_cfg_flag;
 
-    printf( "\nMbed TLS version:\n" );
+    printf("\nMbed TLS version:\n");
 
-    CHECK_SSL_END( 3 + 2 + 3 );
+    CHECK_SSL_END(3 + 2 + 3);
 
-    printf( "\tmajor    %u\n", (uint32_t) *ssl++ );
-    printf( "\tminor    %u\n", (uint32_t) *ssl++ );
-    printf( "\tpath     %u\n", (uint32_t) *ssl++ );
+    printf("\tmajor    %u\n", (uint32_t)*ssl++);
+    printf("\tminor    %u\n", (uint32_t)*ssl++);
+    printf("\tpath     %u\n", (uint32_t)*ssl++);
 
-    printf( "\nEnabled session and context configuration:\n" );
+    printf("\nEnabled session and context configuration:\n");
 
-    session_cfg_flag = ( (int) ssl[0] << 8 ) | ( (int) ssl[1] );
+    session_cfg_flag = ((int)ssl[0] << 8) | ((int)ssl[1]);
     ssl += 2;
 
-    context_cfg_flag = ( (int) ssl[0] << 16 ) |
-                       ( (int) ssl[1] <<  8 ) |
-                       ( (int) ssl[2] ) ;
+    context_cfg_flag = ((int)ssl[0] << 16) | ((int)ssl[1] << 8) | ((int)ssl[2]);
     ssl += 3;
 
-    printf_dbg( "Session config flags 0x%04X\n", session_cfg_flag );
-    printf_dbg( "Context config flags 0x%06X\n", context_cfg_flag );
+    printf_dbg("Session config flags 0x%04X\n", session_cfg_flag);
+    printf_dbg("Context config flags 0x%06X\n", context_cfg_flag);
 
-    print_if_bit( "MBEDTLS_HAVE_TIME", SESSION_CONFIG_TIME_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_X509_CRT_PARSE_C", SESSION_CONFIG_CRT_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", SESSION_CONFIG_MFL_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_ENCRYPT_THEN_MAC", SESSION_CONFIG_ETM_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS", SESSION_CONFIG_TICKET_BIT, session_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_SESSION_TICKETS and client", SESSION_CONFIG_CLIENT_TICKET_BIT, session_cfg_flag );
+    print_if_bit("MBEDTLS_HAVE_TIME", SESSION_CONFIG_TIME_BIT,
+                 session_cfg_flag);
+    print_if_bit("MBEDTLS_X509_CRT_PARSE_C", SESSION_CONFIG_CRT_BIT,
+                 session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_MAX_FRAGMENT_LENGTH", SESSION_CONFIG_MFL_BIT,
+                 session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_ENCRYPT_THEN_MAC", SESSION_CONFIG_ETM_BIT,
+                 session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_SESSION_TICKETS", SESSION_CONFIG_TICKET_BIT,
+                 session_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_SESSION_TICKETS and client",
+                 SESSION_CONFIG_CLIENT_TICKET_BIT, session_cfg_flag);
 
-    print_if_bit( "MBEDTLS_SSL_DTLS_CONNECTION_ID", CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT, context_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_DTLS_ANTI_REPLAY", CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT, context_cfg_flag );
-    print_if_bit( "MBEDTLS_SSL_ALPN", CONTEXT_CONFIG_ALPN_BIT, context_cfg_flag );
+    print_if_bit("MBEDTLS_SSL_DTLS_CONNECTION_ID",
+                 CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT, context_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_DTLS_ANTI_REPLAY",
+                 CONTEXT_CONFIG_DTLS_ANTI_REPLAY_BIT, context_cfg_flag);
+    print_if_bit("MBEDTLS_SSL_ALPN", CONTEXT_CONFIG_ALPN_BIT, context_cfg_flag);
 
-    CHECK_SSL_END( 4 );
-    session_len = ( (uint32_t) ssl[0] << 24 ) |
-                  ( (uint32_t) ssl[1] << 16 ) |
-                  ( (uint32_t) ssl[2] <<  8 ) |
-                  ( (uint32_t) ssl[3] );
+    CHECK_SSL_END(4);
+    session_len = ((uint32_t)ssl[0] << 24) | ((uint32_t)ssl[1] << 16) |
+                  ((uint32_t)ssl[2] << 8) | ((uint32_t)ssl[3]);
     ssl += 4;
-    printf_dbg( "Session length %u\n", session_len );
+    printf_dbg("Session length %u\n", session_len);
 
-    CHECK_SSL_END( session_len );
-    print_deserialized_ssl_session( ssl, session_len, session_cfg_flag );
+    CHECK_SSL_END(session_len);
+    print_deserialized_ssl_session(ssl, session_len, session_cfg_flag);
     ssl += session_len;
 
-    printf( "\nRandom bytes:\n\t");
+    printf("\nRandom bytes:\n\t");
 
-    CHECK_SSL_END( TRANSFORM_RANDBYTE_LEN );
-    print_hex( ssl, TRANSFORM_RANDBYTE_LEN, 22, "\t" );
+    CHECK_SSL_END(TRANSFORM_RANDBYTE_LEN);
+    print_hex(ssl, TRANSFORM_RANDBYTE_LEN, 22, "\t");
     ssl += TRANSFORM_RANDBYTE_LEN;
 
-    printf( "\nContext others:\n" );
+    printf("\nContext others:\n");
 
-    if( CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_DTLS_CONNECTION_ID_BIT & context_cfg_flag) {
         uint8_t cid_len;
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         cid_len = *ssl++;
-        printf_dbg( "In CID length %u\n", (uint32_t) cid_len );
+        printf_dbg("In CID length %u\n", (uint32_t)cid_len);
 
-        printf( "\tin CID                             : " );
-        if( cid_len > 0 )
-        {
-            CHECK_SSL_END( cid_len );
-            print_hex( ssl, cid_len, 20, "\t" );
+        printf("\tin CID                             : ");
+        if (cid_len > 0) {
+            CHECK_SSL_END(cid_len);
+            print_hex(ssl, cid_len, 20, "\t");
             ssl += cid_len;
-        }
-        else
-        {
-            printf( "none\n" );
+        } else {
+            printf("none\n");
         }
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         cid_len = *ssl++;
-        printf_dbg( "Out CID length %u\n", (uint32_t) cid_len );
+        printf_dbg("Out CID length %u\n", (uint32_t)cid_len);
 
-        printf( "\tout CID                            : " );
-        if( cid_len > 0 )
-        {
-            CHECK_SSL_END( cid_len );
-            print_hex( ssl, cid_len, 20, "\t" );
+        printf("\tout CID                            : ");
+        if (cid_len > 0) {
+            CHECK_SSL_END(cid_len);
+            print_hex(ssl, cid_len, 20, "\t");
             ssl += cid_len;
-        }
-        else
-        {
-            printf( "none\n" );
+        } else {
+            printf("none\n");
         }
     }
 
-    if( CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_DTLS_BADMAC_LIMIT_BIT & context_cfg_flag) {
         uint32_t badmac_seen;
 
-        CHECK_SSL_END( 4 );
-        badmac_seen = ( (uint32_t) ssl[0] << 24 ) |
-                      ( (uint32_t) ssl[1] << 16 ) |
-                      ( (uint32_t) ssl[2] <<  8 ) |
-                      ( (uint32_t) ssl[3] );
+        CHECK_SSL_END(4);
+        badmac_seen = ((uint32_t)ssl[0] << 24) | ((uint32_t)ssl[1] << 16) |
+                      ((uint32_t)ssl[2] << 8) | ((uint32_t)ssl[3]);
         ssl += 4;
-        printf( "\tbad MAC seen number                : %u\n", badmac_seen );
+        printf("\tbad MAC seen number                : %u\n", badmac_seen);
 
         /* value 'in_window_top' from mbedtls_ssl_context */
-        printf( "\tlast validated record sequence no. : " );
-        CHECK_SSL_END( 8 );
-        print_hex( ssl, 8, 20, "" );
+        printf("\tlast validated record sequence no. : ");
+        CHECK_SSL_END(8);
+        print_hex(ssl, 8, 20, "");
         ssl += 8;
 
         /* value 'in_window' from mbedtls_ssl_context */
-        printf( "\tbitmask for replay detection       : " );
-        CHECK_SSL_END( 8 );
-        print_hex( ssl, 8, 20, "" );
+        printf("\tbitmask for replay detection       : ");
+        CHECK_SSL_END(8);
+        print_hex(ssl, 8, 20, "");
         ssl += 8;
     }
 
-    if( conf_dtls_proto )
-    {
-        CHECK_SSL_END( 1 );
-        printf( "\tDTLS datagram packing              : %s\n",
-                get_enabled_str( ! ( *ssl++ ) ) );
+    if (conf_dtls_proto) {
+        CHECK_SSL_END(1);
+        printf("\tDTLS datagram packing              : %s\n",
+               get_enabled_str(!(*ssl++)));
     }
 
     /* value 'cur_out_ctr' from mbedtls_ssl_context */
-    printf( "\toutgoing record sequence no.       : ");
-    CHECK_SSL_END( 8 );
-    print_hex( ssl, 8, 20, "" );
+    printf("\toutgoing record sequence no.       : ");
+    CHECK_SSL_END(8);
+    print_hex(ssl, 8, 20, "");
     ssl += 8;
 
-    if( conf_dtls_proto )
-    {
+    if (conf_dtls_proto) {
         uint16_t mtu;
-        CHECK_SSL_END( 2 );
-        mtu = ( ssl[0] << 8 ) | ssl[1];
+        CHECK_SSL_END(2);
+        mtu = (ssl[0] << 8) | ssl[1];
         ssl += 2;
-        printf( "\tMTU                                : %u\n", mtu );
+        printf("\tMTU                                : %u\n", mtu);
     }
 
-
-    if( CONTEXT_CONFIG_ALPN_BIT & context_cfg_flag )
-    {
+    if (CONTEXT_CONFIG_ALPN_BIT & context_cfg_flag) {
         uint8_t alpn_len;
 
-        CHECK_SSL_END( 1 );
+        CHECK_SSL_END(1);
         alpn_len = *ssl++;
-        printf_dbg( "ALPN length %u\n", (uint32_t) alpn_len );
+        printf_dbg("ALPN length %u\n", (uint32_t)alpn_len);
 
-        printf( "\tALPN negotiation                   : " );
-        CHECK_SSL_END( alpn_len );
-        if( alpn_len > 0 )
-        {
-            if( strlen( (const char*) ssl ) == alpn_len )
-            {
-                printf( "%s\n", ssl );
-            }
-            else
-            {
-                printf( "\n" );
-                printf_err( "\tALPN negotiation is incorrect\n" );
+        printf("\tALPN negotiation                   : ");
+        CHECK_SSL_END(alpn_len);
+        if (alpn_len > 0) {
+            if (strlen((const char *)ssl) == alpn_len) {
+                printf("%s\n", ssl);
+            } else {
+                printf("\n");
+                printf_err("\tALPN negotiation is incorrect\n");
             }
             ssl += alpn_len;
-        }
-        else
-        {
-            printf( "not selected\n" );
+        } else {
+            printf("not selected\n");
         }
     }
 
-    if( 0 != ( end - ssl ) )
-    {
-        printf_err( "%i bytes left to analyze from context\n", (int32_t)( end - ssl ) );
+    if (0 != (end - ssl)) {
+        printf_err("%i bytes left to analyze from context\n",
+                   (int32_t)(end - ssl));
     }
-    printf( "\n" );
+    printf("\n");
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
-    enum { SSL_INIT_LEN = 4096 };
+    enum
+    {
+        SSL_INIT_LEN = 4096
+    };
 
     uint32_t b64_counter = 0;
     uint8_t *b64_buf = NULL;
@@ -1018,39 +919,33 @@
     size_t ssl_max_len = SSL_INIT_LEN;
     size_t ssl_len = 0;
 
-     /* The 'b64_file' is opened when parsing arguments to check that the
-      * file name is correct */
-    parse_arguments( argc, argv );
+    /* The 'b64_file' is opened when parsing arguments to check that the
+     * file name is correct */
+    parse_arguments(argc, argv);
 
-    if( NULL != b64_file )
-    {
-        b64_buf = malloc( SSL_INIT_LEN );
-        ssl_buf = malloc( SSL_INIT_LEN );
+    if (NULL != b64_file) {
+        b64_buf = malloc(SSL_INIT_LEN);
+        ssl_buf = malloc(SSL_INIT_LEN);
 
-        if( NULL == b64_buf || NULL == ssl_buf )
-        {
-            printf_err( alloc_err );
-            fclose( b64_file );
+        if (NULL == b64_buf || NULL == ssl_buf) {
+            printf_err(alloc_err);
+            fclose(b64_file);
             b64_file = NULL;
         }
     }
 
-    while( NULL != b64_file )
-    {
-        size_t b64_len = read_next_b64_code( &b64_buf, &b64_max_len );
-        if( b64_len > 0)
-        {
+    while (NULL != b64_file) {
+        size_t b64_len = read_next_b64_code(&b64_buf, &b64_max_len);
+        if (b64_len > 0) {
             int ret;
             size_t ssl_required_len = b64_len * 3 / 4 + 1;
 
             /* Allocate more memory if necessary. */
-            if( ssl_required_len > ssl_max_len )
-            {
-                void *ptr = realloc( ssl_buf, ssl_required_len );
-                if( NULL == ptr )
-                {
-                    printf_err( alloc_err );
-                    fclose( b64_file );
+            if (ssl_required_len > ssl_max_len) {
+                void *ptr = realloc(ssl_buf, ssl_required_len);
+                if (NULL == ptr) {
+                    printf_err(alloc_err);
+                    fclose(b64_file);
                     b64_file = NULL;
                     break;
                 }
@@ -1058,45 +953,39 @@
                 ssl_max_len = ssl_required_len;
             }
 
-            printf( "\nDeserializing number %u:\n",  ++b64_counter );
+            printf("\nDeserializing number %u:\n", ++b64_counter);
 
-            printf( "\nBase64 code:\n" );
-            print_b64( b64_buf, b64_len );
+            printf("\nBase64 code:\n");
+            print_b64(b64_buf, b64_len);
 
-            ret = mbedtls_base64_decode( ssl_buf, ssl_max_len, &ssl_len, b64_buf, b64_len );
-            if( ret != 0)
-            {
-                mbedtls_strerror( ret, (char*) b64_buf, b64_max_len );
-                printf_err( "base64 code cannot be decoded - %s\n", b64_buf );
+            ret = mbedtls_base64_decode(ssl_buf, ssl_max_len, &ssl_len, b64_buf,
+                                        b64_len);
+            if (ret != 0) {
+                mbedtls_strerror(ret, (char *)b64_buf, b64_max_len);
+                printf_err("base64 code cannot be decoded - %s\n", b64_buf);
                 continue;
             }
 
-            if( debug )
-            {
-                printf( "\nDecoded data in hex:\n\t");
-                print_hex( ssl_buf, ssl_len, 25, "\t" );
+            if (debug) {
+                printf("\nDecoded data in hex:\n\t");
+                print_hex(ssl_buf, ssl_len, 25, "\t");
             }
 
-            print_deserialized_ssl_context( ssl_buf, ssl_len );
+            print_deserialized_ssl_context(ssl_buf, ssl_len);
 
-        }
-        else
-        {
-            fclose( b64_file );
+        } else {
+            fclose(b64_file);
             b64_file = NULL;
         }
     }
 
-    free( b64_buf );
-    free( ssl_buf );
+    free(b64_buf);
+    free(ssl_buf);
 
-    if( b64_counter > 0 )
-    {
-        printf_dbg( "Finished. Found %u base64 codes\n", b64_counter );
-    }
-    else
-    {
-        printf( "Finished. No valid base64 code found\n" );
+    if (b64_counter > 0) {
+        printf_dbg("Finished. Found %u base64 codes\n", b64_counter);
+    } else {
+        printf("Finished. No valid base64 code found\n");
     }
 
     return 0;
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 542a334..37f1460 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -20,16 +20,16 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_time_t          time_t
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_time_t       time_t
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||          \
@@ -38,61 +38,61 @@
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_TIMING_C) || !defined(MBEDTLS_FS_IO) ||              \
     !defined(MBEDTLS_PEM_PARSE_C)
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
-    ((void) argc);
-    ((void) argv);
+    ((void)argc);
+    ((void)argv);
 
-    mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-           "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf(
+        "MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
+        "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+        "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+        "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+        "MBEDTLS_TIMING_C and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #elif defined(_WIN32)
-int main( void )
+int main(void)
 {
-    mbedtls_printf("_WIN32 defined. This application requires fork() and signals "
-           "to work correctly.\n");
-    mbedtls_exit( 0 );
+    mbedtls_printf(
+        "_WIN32 defined. This application requires fork() and signals "
+        "to work correctly.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "test/certs.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/timing.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "test/certs.h"
+#    include "mbedtls/x509.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/timing.h"
 
-#include <string.h>
-#include <signal.h>
+#    include <string.h>
+#    include <signal.h>
 
-#if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
-#include <unistd.h>
-#endif
+#    if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
+#        include <unistd.h>
+#    endif
 
-#define HTTP_RESPONSE \
-    "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
-    "<h2>mbed TLS Test Server</h2>\r\n" \
-    "<p>Successful connection using: %s</p>\r\n"
+#    define HTTP_RESPONSE                                    \
+        "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+        "<h2>mbed TLS Test Server</h2>\r\n"                  \
+        "<p>Successful connection using: %s</p>\r\n"
 
-#define DEBUG_LEVEL 0
+#    define DEBUG_LEVEL 0
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret = 1, len, cnt = 0, pid;
     int exit_code = MBEDTLS_EXIT_FAILURE;
@@ -107,127 +107,123 @@
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_pk_init( &pkey );
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_pk_init(&pkey);
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    signal( SIGCHLD, SIG_IGN );
+    signal(SIGCHLD, SIG_IGN);
 
     /*
      * 0. Initial seeding of the RNG
      */
-    mbedtls_printf( "\n  . Initial seeding of the random generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Initial seeding of the random generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ctr_drbg_seed returned %d\n\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ctr_drbg_seed returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1. Load the certificates and private RSA key
      */
-    mbedtls_printf( "  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_x509_crt_parse returned %d\n\n", ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                          mbedtls_test_srv_key_len, NULL, 0,
-                          mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret = mbedtls_pk_parse_key(&pkey,
+                               (const unsigned char *)mbedtls_test_srv_key,
+                               mbedtls_test_srv_key_len, NULL, 0,
+                               mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed!  mbedtls_pk_parse_key returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Configuring SSL..." );
-    fflush( stdout );
+    mbedtls_printf("  . Configuring SSL...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ssl_config_defaults returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.MBEDTLS_PRIVATE(next), NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.MBEDTLS_PRIVATE(next), NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_ssl_conf_own_cert returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed!  mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433",
+                                MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed!  mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    while( 1 )
-    {
+    while (1) {
         /*
          * 3. Wait until a client connects
          */
-        mbedtls_net_init( &client_fd );
-        mbedtls_ssl_init( &ssl );
+        mbedtls_net_init(&client_fd);
+        mbedtls_ssl_init(&ssl);
 
-        mbedtls_printf( "  . Waiting for a remote connection ...\n" );
-        fflush( stdout );
+        mbedtls_printf("  . Waiting for a remote connection ...\n");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                        NULL, 0, NULL ) ) != 0 )
-        {
-            mbedtls_printf( " failed!  mbedtls_net_accept returned %d\n\n", ret );
+        if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, NULL, 0, NULL)) !=
+            0) {
+            mbedtls_printf(" failed!  mbedtls_net_accept returned %d\n\n", ret);
             goto exit;
         }
 
@@ -235,113 +231,108 @@
          * 3.5. Forking server thread
          */
 
-        mbedtls_printf( "  . Forking to handle connection ..." );
-        fflush( stdout );
+        mbedtls_printf("  . Forking to handle connection ...");
+        fflush(stdout);
 
         pid = fork();
 
-        if( pid < 0 )
-        {
-            mbedtls_printf(" failed!  fork returned %d\n\n", pid );
+        if (pid < 0) {
+            mbedtls_printf(" failed!  fork returned %d\n\n", pid);
             goto exit;
         }
 
-        if( pid != 0 )
-        {
-            mbedtls_printf( " ok\n" );
-            mbedtls_net_close( &client_fd );
+        if (pid != 0) {
+            mbedtls_printf(" ok\n");
+            mbedtls_net_close(&client_fd);
 
-            if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                         (const unsigned char *) "parent",
-                                         6 ) ) != 0 )
-            {
-                mbedtls_printf( " failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret );
+            if ((ret = mbedtls_ctr_drbg_reseed(
+                     &ctr_drbg, (const unsigned char *)"parent", 6)) != 0) {
+                mbedtls_printf(
+                    " failed!  mbedtls_ctr_drbg_reseed returned %d\n\n", ret);
                 goto exit;
             }
 
             continue;
         }
 
-        mbedtls_net_close( &listen_fd );
+        mbedtls_net_close(&listen_fd);
 
         pid = getpid();
 
         /*
          * 4. Setup stuff
          */
-        mbedtls_printf( "pid %d: Setting up the SSL data.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Setting up the SSL data.\n", pid);
+        fflush(stdout);
 
-        if( ( ret = mbedtls_ctr_drbg_reseed( &ctr_drbg,
-                                     (const unsigned char *) "child",
-                                     5 ) ) != 0 )
-        {
+        if ((ret = mbedtls_ctr_drbg_reseed(
+                 &ctr_drbg, (const unsigned char *)"child", 5)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ctr_drbg_reseed returned %d\n\n",
+                pid, ret);
             goto exit;
         }
 
-        if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-        {
+        if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
             mbedtls_printf(
-                    "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
-                    pid, ret );
+                "pid %d: SSL setup failed!  mbedtls_ssl_setup returned %d\n\n",
+                pid, ret);
             goto exit;
         }
 
-        mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+        mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send,
+                            mbedtls_net_recv, NULL);
 
-        mbedtls_printf( "pid %d: SSL setup ok\n", pid );
+        mbedtls_printf("pid %d: SSL setup ok\n", pid);
 
         /*
          * 5. Handshake
          */
-        mbedtls_printf( "pid %d: Performing the SSL/TLS handshake.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Performing the SSL/TLS handshake.\n", pid);
+        fflush(stdout);
 
-        while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-        {
-            if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-            {
+        while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+            if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                 mbedtls_printf(
-                        "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
-                        pid, ret );
+                    "pid %d: SSL handshake failed!  mbedtls_ssl_handshake returned %d\n\n",
+                    pid, ret);
                 goto exit;
             }
         }
 
-        mbedtls_printf( "pid %d: SSL handshake ok\n", pid );
+        mbedtls_printf("pid %d: SSL handshake ok\n", pid);
 
         /*
          * 6. Read the HTTP Request
          */
-        mbedtls_printf( "pid %d: Start reading from client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start reading from client.\n", pid);
+        fflush(stdout);
 
-        do
-        {
-            len = sizeof( buf ) - 1;
-            memset( buf, 0, sizeof( buf ) );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+        do {
+            len = sizeof(buf) - 1;
+            memset(buf, 0, sizeof(buf));
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+            if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+                ret == MBEDTLS_ERR_SSL_WANT_WRITE)
                 continue;
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( "pid %d: connection was closed gracefully\n", pid );
+                        mbedtls_printf(
+                            "pid %d: connection was closed gracefully\n", pid);
                         break;
 
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( "pid %d: connection was reset by peer\n", pid );
+                        mbedtls_printf("pid %d: connection was reset by peer\n",
+                                       pid);
                         break;
 
                     default:
-                        mbedtls_printf( "pid %d: mbedtls_ssl_read returned %d\n", pid, ret );
+                        mbedtls_printf("pid %d: mbedtls_ssl_read returned %d\n",
+                                       pid, ret);
                         break;
                 }
 
@@ -349,72 +340,72 @@
             }
 
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes read\n\n%s", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes read\n\n%s", pid, len,
+                           (char *)buf);
 
-            if( ret > 0 )
+            if (ret > 0)
                 break;
-        }
-        while( 1 );
+        } while (1);
 
         /*
          * 7. Write the 200 Response
          */
-        mbedtls_printf( "pid %d: Start writing to client.\n", pid );
-        fflush( stdout );
+        mbedtls_printf("pid %d: Start writing to client.\n", pid);
+        fflush(stdout);
 
-        len = sprintf( (char *) buf, HTTP_RESPONSE,
-                mbedtls_ssl_get_ciphersuite( &ssl ) );
+        len = sprintf((char *)buf, HTTP_RESPONSE,
+                      mbedtls_ssl_get_ciphersuite(&ssl));
 
-        while( cnt++ < 100 )
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-            {
-                if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-                {
+        while (cnt++ < 100) {
+            while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+                if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  peer closed the connection\n\n", pid );
+                        "pid %d: Write failed!  peer closed the connection\n\n",
+                        pid);
                     goto exit;
                 }
 
-                if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-                {
+                if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+                    ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
                     mbedtls_printf(
-                            "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
-                            pid, ret );
+                        "pid %d: Write failed!  mbedtls_ssl_write returned %d\n\n",
+                        pid, ret);
                     goto exit;
                 }
             }
             len = ret;
-            mbedtls_printf( "pid %d: %d bytes written\n\n%s\n", pid, len, (char *) buf );
+            mbedtls_printf("pid %d: %d bytes written\n\n%s\n", pid, len,
+                           (char *)buf);
 
-            mbedtls_net_usleep( 1000000 );
+            mbedtls_net_usleep(1000000);
         }
 
-        mbedtls_ssl_close_notify( &ssl );
+        mbedtls_ssl_close_notify(&ssl);
         goto exit;
     }
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
-          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
-          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_PARSE_C &&
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&                      \
+          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&    \
+          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_PEM_PARSE_C && \
           ! _WIN32 */
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index 2477979..14a604e 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -22,154 +22,149 @@
  * Harmless on other platforms. */
 
 #define _POSIX_C_SOURCE 200112L
-#define _XOPEN_SOURCE 600
+#define _XOPEN_SOURCE   600
 
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time            time
-#define mbedtls_time_t          time_t
-#define mbedtls_fprintf         fprintf
-#define mbedtls_printf          printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif /* MBEDTLS_PLATFORM_C */
 
-#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||  \
-    !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) || \
-    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||         \
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||          \
+    !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_CLI_C) ||         \
+    !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||                 \
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C and/or "
-           "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "not defined.\n");
-    mbedtls_exit( 0 );
+                   "MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_CLI_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include "mbedtls/base64.h"
-#include "mbedtls/error.h"
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "test/certs.h"
-#include "mbedtls/x509.h"
+#    include "mbedtls/base64.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "test/certs.h"
+#    include "mbedtls/x509.h"
 
-#include <stdlib.h>
-#include <string.h>
+#    include <stdlib.h>
+#    include <string.h>
 
-#if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
-#include <unistd.h>
-#else
-#include <io.h>
-#endif
+#    if !defined(_MSC_VER) || defined(EFIX64) || defined(EFI32)
+#        include <unistd.h>
+#    else
+#        include <io.h>
+#    endif
 
-#if defined(_WIN32) || defined(_WIN32_WCE)
-#include <winsock2.h>
-#include <windows.h>
+#    if defined(_WIN32) || defined(_WIN32_WCE)
+#        include <winsock2.h>
+#        include <windows.h>
 
-#if defined(_MSC_VER)
-#if defined(_WIN32_WCE)
-#pragma comment( lib, "ws2.lib" )
-#else
-#pragma comment( lib, "ws2_32.lib" )
-#endif
-#endif /* _MSC_VER */
-#endif
+#        if defined(_MSC_VER)
+#            if defined(_WIN32_WCE)
+#                pragma comment(lib, "ws2.lib")
+#            else
+#                pragma comment(lib, "ws2_32.lib")
+#            endif
+#        endif /* _MSC_VER */
+#    endif
 
-#define DFL_SERVER_NAME         "localhost"
-#define DFL_SERVER_PORT         "465"
-#define DFL_USER_NAME           "user"
-#define DFL_USER_PWD            "password"
-#define DFL_MAIL_FROM           ""
-#define DFL_MAIL_TO             ""
-#define DFL_DEBUG_LEVEL         0
-#define DFL_CA_FILE             ""
-#define DFL_CRT_FILE            ""
-#define DFL_KEY_FILE            ""
-#define DFL_FORCE_CIPHER        0
-#define DFL_MODE                0
-#define DFL_AUTHENTICATION      0
+#    define DFL_SERVER_NAME    "localhost"
+#    define DFL_SERVER_PORT    "465"
+#    define DFL_USER_NAME      "user"
+#    define DFL_USER_PWD       "password"
+#    define DFL_MAIL_FROM      ""
+#    define DFL_MAIL_TO        ""
+#    define DFL_DEBUG_LEVEL    0
+#    define DFL_CA_FILE        ""
+#    define DFL_CRT_FILE       ""
+#    define DFL_KEY_FILE       ""
+#    define DFL_FORCE_CIPHER   0
+#    define DFL_MODE           0
+#    define DFL_AUTHENTICATION 0
 
-#define MODE_SSL_TLS            0
-#define MODE_STARTTLS           0
+#    define MODE_SSL_TLS  0
+#    define MODE_STARTTLS 0
 
-#if defined(MBEDTLS_BASE64_C)
-#define USAGE_AUTH \
-    "    authentication=%%d   default: 0 (disabled)\n"          \
-    "    user_name=%%s        default: \"" DFL_USER_NAME "\"\n" \
-    "    user_pwd=%%s         default: \"" DFL_USER_PWD "\"\n"
-#else
-#define USAGE_AUTH \
-    "    authentication options disabled. (Require MBEDTLS_BASE64_C)\n"
-#endif /* MBEDTLS_BASE64_C */
+#    if defined(MBEDTLS_BASE64_C)
+#        define USAGE_AUTH                                              \
+            "    authentication=%%d   default: 0 (disabled)\n"          \
+            "    user_name=%%s        default: \"" DFL_USER_NAME "\"\n" \
+            "    user_pwd=%%s         default: \"" DFL_USER_PWD "\"\n"
+#    else
+#        define USAGE_AUTH \
+            "    authentication options disabled. (Require MBEDTLS_BASE64_C)\n"
+#    endif /* MBEDTLS_BASE64_C */
 
-#if defined(MBEDTLS_FS_IO)
-#define USAGE_IO \
-    "    ca_file=%%s          default: \"\" (pre-loaded)\n" \
-    "    crt_file=%%s         default: \"\" (pre-loaded)\n" \
-    "    key_file=%%s         default: \"\" (pre-loaded)\n"
-#else
-#define USAGE_IO \
-    "    No file operations available (MBEDTLS_FS_IO not defined)\n"
-#endif /* MBEDTLS_FS_IO */
+#    if defined(MBEDTLS_FS_IO)
+#        define USAGE_IO                                            \
+            "    ca_file=%%s          default: \"\" (pre-loaded)\n" \
+            "    crt_file=%%s         default: \"\" (pre-loaded)\n" \
+            "    key_file=%%s         default: \"\" (pre-loaded)\n"
+#    else
+#        define USAGE_IO \
+            "    No file operations available (MBEDTLS_FS_IO not defined)\n"
+#    endif /* MBEDTLS_FS_IO */
 
-#define USAGE \
-    "\n usage: ssl_mail_client param=<>...\n"                 \
-    "\n acceptable parameters:\n"                             \
-    "    server_name=%%s      default: " DFL_SERVER_NAME "\n" \
-    "    server_port=%%d      default: " DFL_SERVER_PORT "\n" \
-    "    debug_level=%%d      default: 0 (disabled)\n"        \
-    "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n"  \
-    USAGE_AUTH                                                \
-    "    mail_from=%%s        default: \"\"\n"                \
-    "    mail_to=%%s          default: \"\"\n"                \
-    USAGE_IO                                                  \
-    "    force_ciphersuite=<name>    default: all enabled\n"  \
-    " acceptable ciphersuite names:\n"
-
+#    define USAGE                                                                     \
+        "\n usage: ssl_mail_client param=<>...\n"                                     \
+        "\n acceptable parameters:\n"                                                 \
+        "    server_name=%%s      default: " DFL_SERVER_NAME "\n"                     \
+        "    server_port=%%d      default: " DFL_SERVER_PORT "\n"                     \
+        "    debug_level=%%d      default: 0 (disabled)\n"                            \
+        "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n" USAGE_AUTH \
+        "    mail_from=%%s        default: \"\"\n"                                    \
+        "    mail_to=%%s          default: \"\"\n" USAGE_IO                           \
+        "    force_ciphersuite=<name>    default: all enabled\n"                      \
+        " acceptable ciphersuite names:\n"
 
 /*
  * global options
  */
-struct options
-{
-    const char *server_name;    /* hostname of the server (client only)     */
-    const char *server_port;    /* port on which the ssl service runs       */
-    int debug_level;            /* level of debugging                       */
-    int authentication;         /* if authentication is required            */
-    int mode;                   /* SSL/TLS (0) or STARTTLS (1)              */
-    const char *user_name;      /* username to use for authentication       */
-    const char *user_pwd;       /* password to use for authentication       */
-    const char *mail_from;      /* E-Mail address to use as sender          */
-    const char *mail_to;        /* E-Mail address to use as recipient       */
-    const char *ca_file;        /* the file with the CA certificate(s)      */
-    const char *crt_file;       /* the file with the client certificate     */
-    const char *key_file;       /* the file with the client key             */
-    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
+struct options {
+    const char *server_name; /* hostname of the server (client only)     */
+    const char *server_port; /* port on which the ssl service runs       */
+    int debug_level; /* level of debugging                       */
+    int authentication; /* if authentication is required            */
+    int mode; /* SSL/TLS (0) or STARTTLS (1)              */
+    const char *user_name; /* username to use for authentication       */
+    const char *user_pwd; /* password to use for authentication       */
+    const char *mail_from; /* E-Mail address to use as sender          */
+    const char *mail_to; /* E-Mail address to use as recipient       */
+    const char *ca_file; /* the file with the CA certificate(s)      */
+    const char *crt_file; /* the file with the client certificate     */
+    const char *key_file; /* the file with the client key             */
+    int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all      */
 } opt;
 
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-static int do_handshake( mbedtls_ssl_context *ssl )
+static int do_handshake(mbedtls_ssl_context *ssl)
 {
     int ret;
     uint32_t flags;
@@ -179,75 +174,77 @@
     /*
      * 4. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-#if defined(MBEDTLS_ERROR_C)
-            mbedtls_strerror( ret, (char *) buf, 1024 );
-#endif
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned %d: %s\n\n", ret, buf );
-            return -1 ;
-        }
-    }
-
-    mbedtls_printf( " ok\n    [ Ciphersuite is %s ]\n",
-            mbedtls_ssl_get_ciphersuite( ssl ) );
-
-    /*
-     * 5. Verify the server certificate
-     */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
-
-    /* In real life, we probably want to bail out when ret != 0 */
-    if( ( flags = mbedtls_ssl_get_verify_result( ssl ) ) != 0 )
-    {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        char vrfy_buf[512];
-#endif
-
-        mbedtls_printf( " failed\n" );
-
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-        mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
-
-        mbedtls_printf( "%s\n", vrfy_buf );
-#endif
-    }
-    else
-        mbedtls_printf( " ok\n" );
-
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    mbedtls_printf( "  . Peer certificate information    ...\n" );
-    mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, "      ",
-                   mbedtls_ssl_get_peer_cert( ssl ) );
-    mbedtls_printf( "%s\n", buf );
-#endif
-
-    return 0 ;
-}
-
-static int write_ssl_data( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
-{
-    int ret;
-
-    mbedtls_printf("\n%s", buf);
-    while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_handshake(ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+#    if defined(MBEDTLS_ERROR_C)
+            mbedtls_strerror(ret, (char *)buf, 1024);
+#    endif
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_handshake returned %d: %s\n\n", ret,
+                buf);
             return -1;
         }
     }
 
-    return 0 ;
+    mbedtls_printf(" ok\n    [ Ciphersuite is %s ]\n",
+                   mbedtls_ssl_get_ciphersuite(ssl));
+
+    /*
+     * 5. Verify the server certificate
+     */
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
+
+    /* In real life, we probably want to bail out when ret != 0 */
+    if ((flags = mbedtls_ssl_get_verify_result(ssl)) != 0) {
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+        char vrfy_buf[512];
+#    endif
+
+        mbedtls_printf(" failed\n");
+
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+        mbedtls_x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
+
+        mbedtls_printf("%s\n", vrfy_buf);
+#    endif
+    } else
+        mbedtls_printf(" ok\n");
+
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+    mbedtls_printf("  . Peer certificate information    ...\n");
+    mbedtls_x509_crt_info((char *)buf, sizeof(buf) - 1, "      ",
+                          mbedtls_ssl_get_peer_cert(ssl));
+    mbedtls_printf("%s\n", buf);
+#    endif
+
+    return 0;
 }
 
-static int write_ssl_and_get_response( mbedtls_ssl_context *ssl, unsigned char *buf, size_t len )
+static int
+write_ssl_data(mbedtls_ssl_context *ssl, unsigned char *buf, size_t len)
+{
+    int ret;
+
+    mbedtls_printf("\n%s", buf);
+    while (len && (ret = mbedtls_ssl_write(ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
+            return -1;
+        }
+    }
+
+    return 0;
+}
+
+static int write_ssl_and_get_response(mbedtls_ssl_context *ssl,
+                                      unsigned char *buf,
+                                      size_t len)
 {
     int ret;
     unsigned char data[128];
@@ -255,57 +252,55 @@
     size_t i, idx = 0;
 
     mbedtls_printf("\n%s", buf);
-    while( len && ( ret = mbedtls_ssl_write( ssl, buf, len ) ) <= 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+    while (len && (ret = mbedtls_ssl_write(ssl, buf, len)) <= 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             return -1;
         }
     }
 
-    do
-    {
-        len = sizeof( data ) - 1;
-        memset( data, 0, sizeof( data ) );
-        ret = mbedtls_ssl_read( ssl, data, len );
+    do {
+        len = sizeof(data) - 1;
+        memset(data, 0, sizeof(data));
+        ret = mbedtls_ssl_read(ssl, data, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+            ret == MBEDTLS_ERR_SSL_WANT_WRITE)
             continue;
 
-        if( ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY )
+        if (ret == MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY)
             return -1;
 
-        if( ret <= 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_read returned %d\n\n", ret );
+        if (ret <= 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_read returned %d\n\n", ret);
             return -1;
         }
 
         mbedtls_printf("\n%s", data);
         len = ret;
-        for( i = 0; i < len; i++ )
-        {
-            if( data[i] != '\n' )
-            {
-                if( idx < 4 )
-                    code[ idx++ ] = data[i];
+        for (i = 0; i < len; i++) {
+            if (data[i] != '\n') {
+                if (idx < 4)
+                    code[idx++] = data[i];
                 continue;
             }
 
-            if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
-            {
+            if (idx == 4 && code[0] >= '0' && code[0] <= '9' &&
+                code[3] == ' ') {
                 code[3] = '\0';
-                return atoi( code );
+                return atoi(code);
             }
 
             idx = 0;
         }
-    }
-    while( 1 );
+    } while (1);
 }
 
-static int write_and_get_response( mbedtls_net_context *sock_fd, unsigned char *buf, size_t len )
+static int write_and_get_response(mbedtls_net_context *sock_fd,
+                                  unsigned char *buf,
+                                  size_t len)
 {
     int ret;
     unsigned char data[128];
@@ -313,63 +308,57 @@
     size_t i, idx = 0;
 
     mbedtls_printf("\n%s", buf);
-    if( len && ( ret = mbedtls_net_send( sock_fd, buf, len ) ) <= 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_send returned %d\n\n", ret );
-            return -1;
+    if (len && (ret = mbedtls_net_send(sock_fd, buf, len)) <= 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_send returned %d\n\n", ret);
+        return -1;
     }
 
-    do
-    {
-        len = sizeof( data ) - 1;
-        memset( data, 0, sizeof( data ) );
-        ret = mbedtls_net_recv( sock_fd, data, len );
+    do {
+        len = sizeof(data) - 1;
+        memset(data, 0, sizeof(data));
+        ret = mbedtls_net_recv(sock_fd, data, len);
 
-        if( ret <= 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_net_recv returned %d\n\n", ret );
+        if (ret <= 0) {
+            mbedtls_printf("failed\n  ! mbedtls_net_recv returned %d\n\n", ret);
             return -1;
         }
 
         data[len] = '\0';
         mbedtls_printf("\n%s", data);
         len = ret;
-        for( i = 0; i < len; i++ )
-        {
-            if( data[i] != '\n' )
-            {
-                if( idx < 4 )
-                    code[ idx++ ] = data[i];
+        for (i = 0; i < len; i++) {
+            if (data[i] != '\n') {
+                if (idx < 4)
+                    code[idx++] = data[i];
                 continue;
             }
 
-            if( idx == 4 && code[0] >= '0' && code[0] <= '9' && code[3] == ' ' )
-            {
+            if (idx == 4 && code[0] >= '0' && code[0] <= '9' &&
+                code[3] == ' ') {
                 code[3] = '\0';
-                return atoi( code );
+                return atoi(code);
             }
 
             idx = 0;
         }
-    }
-    while( 1 );
+    } while (1);
 }
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 1, len;
     int exit_code = MBEDTLS_EXIT_FAILURE;
     mbedtls_net_context server_fd;
-#if defined(MBEDTLS_BASE64_C)
+#    if defined(MBEDTLS_BASE64_C)
     unsigned char base[1024];
     /* buf is used as the destination buffer for printing base with the format:
      * "%s\r\n". Hence, the size of buf should be at least the size of base
      * plus 2 bytes for the \r and \n characters.
      */
-    unsigned char buf[sizeof( base ) + 2];
-#else
+    unsigned char buf[sizeof(base) + 2];
+#    else
     unsigned char buf[1024];
-#endif
+#    endif
     char hostname[32];
     const char *pers = "ssl_mail_client";
 
@@ -388,473 +377,452 @@
     /*
      * Make sure memory references are valid in case we exit early.
      */
-    mbedtls_net_init( &server_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    memset( &buf, 0, sizeof( buf ) );
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &clicert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&server_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    memset(&buf, 0, sizeof(buf));
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&clicert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-    if( argc == 0 )
-    {
-    usage:
-        mbedtls_printf( USAGE );
+    if (argc == 0) {
+usage:
+        mbedtls_printf(USAGE);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf("    %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf("    %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
         goto exit;
     }
 
-    opt.server_name         = DFL_SERVER_NAME;
-    opt.server_port         = DFL_SERVER_PORT;
-    opt.debug_level         = DFL_DEBUG_LEVEL;
-    opt.authentication      = DFL_AUTHENTICATION;
-    opt.mode                = DFL_MODE;
-    opt.user_name           = DFL_USER_NAME;
-    opt.user_pwd            = DFL_USER_PWD;
-    opt.mail_from           = DFL_MAIL_FROM;
-    opt.mail_to             = DFL_MAIL_TO;
-    opt.ca_file             = DFL_CA_FILE;
-    opt.crt_file            = DFL_CRT_FILE;
-    opt.key_file            = DFL_KEY_FILE;
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
+    opt.server_name = DFL_SERVER_NAME;
+    opt.server_port = DFL_SERVER_PORT;
+    opt.debug_level = DFL_DEBUG_LEVEL;
+    opt.authentication = DFL_AUTHENTICATION;
+    opt.mode = DFL_MODE;
+    opt.user_name = DFL_USER_NAME;
+    opt.user_pwd = DFL_USER_PWD;
+    opt.mail_from = DFL_MAIL_FROM;
+    opt.mail_to = DFL_MAIL_TO;
+    opt.ca_file = DFL_CA_FILE;
+    opt.crt_file = DFL_CRT_FILE;
+    opt.key_file = DFL_KEY_FILE;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL)
             goto usage;
         *q++ = '\0';
 
-        if( strcmp( p, "server_name" ) == 0 )
+        if (strcmp(p, "server_name") == 0)
             opt.server_name = q;
-        else if( strcmp( p, "server_port" ) == 0 )
+        else if (strcmp(p, "server_port") == 0)
             opt.server_port = q;
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+        else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535)
                 goto usage;
-        }
-        else if( strcmp( p, "authentication" ) == 0 )
-        {
-            opt.authentication = atoi( q );
-            if( opt.authentication < 0 || opt.authentication > 1 )
+        } else if (strcmp(p, "authentication") == 0) {
+            opt.authentication = atoi(q);
+            if (opt.authentication < 0 || opt.authentication > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "mode" ) == 0 )
-        {
-            opt.mode = atoi( q );
-            if( opt.mode < 0 || opt.mode > 1 )
+        } else if (strcmp(p, "mode") == 0) {
+            opt.mode = atoi(q);
+            if (opt.mode < 0 || opt.mode > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "user_name" ) == 0 )
+        } else if (strcmp(p, "user_name") == 0)
             opt.user_name = q;
-        else if( strcmp( p, "user_pwd" ) == 0 )
+        else if (strcmp(p, "user_pwd") == 0)
             opt.user_pwd = q;
-        else if( strcmp( p, "mail_from" ) == 0 )
+        else if (strcmp(p, "mail_from") == 0)
             opt.mail_from = q;
-        else if( strcmp( p, "mail_to" ) == 0 )
+        else if (strcmp(p, "mail_to") == 0)
             opt.mail_to = q;
-        else if( strcmp( p, "ca_file" ) == 0 )
+        else if (strcmp(p, "ca_file") == 0)
             opt.ca_file = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        else if (strcmp(p, "crt_file") == 0)
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        else if (strcmp(p, "key_file") == 0)
             opt.key_file = q;
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
+        else if (strcmp(p, "force_ciphersuite") == 0) {
             opt.force_ciphersuite[0] = -1;
 
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] <= 0 )
+            if (opt.force_ciphersuite[0] <= 0)
                 goto usage;
 
             opt.force_ciphersuite[1] = 0;
-        }
-        else
+        } else
             goto usage;
     }
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    mbedtls_entropy_init( &entropy );
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    mbedtls_entropy_init(&entropy);
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
+#    if defined(MBEDTLS_FS_IO)
+    if (strlen(opt.ca_file))
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
     else
-#endif
-#if defined(MBEDTLS_PEM_PARSE_C)
-        ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
-                              mbedtls_test_cas_pem_len );
-#else
+#    endif
+#    if defined(MBEDTLS_PEM_PARSE_C)
+        ret = mbedtls_x509_crt_parse(
+            &cacert, (const unsigned char *)mbedtls_test_cas_pem,
+            mbedtls_test_cas_pem_len);
+#    else
     {
         mbedtls_printf("MBEDTLS_PEM_PARSE_C not defined.");
         goto exit;
     }
-#endif
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+#    endif
+    if (ret < 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      *
      * (can be skipped if client authentication is not required)
      */
-    mbedtls_printf( "  . Loading the client cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the client cert. and key...");
+    fflush(stdout);
 
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) )
-        ret = mbedtls_x509_crt_parse_file( &clicert, opt.crt_file );
+#    if defined(MBEDTLS_FS_IO)
+    if (strlen(opt.crt_file))
+        ret = mbedtls_x509_crt_parse_file(&clicert, opt.crt_file);
     else
-#endif
-        ret = mbedtls_x509_crt_parse( &clicert, (const unsigned char *) mbedtls_test_cli_crt,
-                              mbedtls_test_cli_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+#    endif
+        ret = mbedtls_x509_crt_parse(
+            &clicert, (const unsigned char *)mbedtls_test_cli_crt,
+            mbedtls_test_cli_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.key_file ) )
+#    if defined(MBEDTLS_FS_IO)
+    if (strlen(opt.key_file)) {
+        ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, "",
+                                       mbedtls_ctr_drbg_random, &ctr_drbg);
+    } else
+#    endif
+#    if defined(MBEDTLS_PEM_PARSE_C)
     {
-        ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file, "",
-                mbedtls_ctr_drbg_random, &ctr_drbg );
+        ret = mbedtls_pk_parse_key(&pkey,
+                                   (const unsigned char *)mbedtls_test_cli_key,
+                                   mbedtls_test_cli_key_len, NULL, 0,
+                                   mbedtls_ctr_drbg_random, &ctr_drbg);
     }
-    else
-#endif
-#if defined(MBEDTLS_PEM_PARSE_C)
-    {
-        ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_cli_key,
-                mbedtls_test_cli_key_len, NULL, 0, mbedtls_ctr_drbg_random, &ctr_drbg );
-    }
-#else
+#    else
     {
         mbedtls_printf("MBEDTLS_PEM_PARSE_C not defined.");
         goto exit;
     }
-#endif
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+#    endif
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Start the connection
      */
-    mbedtls_printf( "  . Connecting to tcp/%s/%s...", opt.server_name,
-                                                opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Connecting to tcp/%s/%s...", opt.server_name,
+                   opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_connect( &server_fd, opt.server_name,
-                             opt.server_port, MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_connect returned %d\n\n", ret );
+    if ((ret = mbedtls_net_connect(&server_fd, opt.server_name, opt.server_port,
+                                   MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_connect returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_CLIENT,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_CLIENT,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
     /* OPTIONAL is not optimal for security,
      * but makes interop easier in this simplified example */
-    mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
+    mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_OPTIONAL);
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER)
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
 
-    mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &clicert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &clicert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_set_hostname( &ssl, opt.server_name ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_set_hostname(&ssl, opt.server_name)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_set_hostname returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-    if( opt.mode == MODE_SSL_TLS )
-    {
-        if( do_handshake( &ssl ) != 0 )
+    if (opt.mode == MODE_SSL_TLS) {
+        if (do_handshake(&ssl) != 0)
             goto exit;
 
-        mbedtls_printf( "  > Get header from server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Get header from server:");
+        fflush(stdout);
 
-        ret = write_ssl_and_get_response( &ssl, buf, 0 );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        ret = write_ssl_and_get_response(&ssl, buf, 0);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write EHLO to server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Write EHLO to server:");
+        fflush(stdout);
 
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        gethostname(hostname, 32);
+        len = sprintf((char *)buf, "EHLO %s\r\n", hostname);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
-    }
-    else
-    {
-        mbedtls_printf( "  > Get header from server:" );
-        fflush( stdout );
+    } else {
+        mbedtls_printf("  > Get header from server:");
+        fflush(stdout);
 
-        ret = write_and_get_response( &server_fd, buf, 0 );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        ret = write_and_get_response(&server_fd, buf, 0);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write EHLO to server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Write EHLO to server:");
+        fflush(stdout);
 
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "EHLO %s\r\n", hostname );
-        ret = write_and_get_response( &server_fd, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        gethostname(hostname, 32);
+        len = sprintf((char *)buf, "EHLO %s\r\n", hostname);
+        ret = write_and_get_response(&server_fd, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write STARTTLS to server:" );
-        fflush( stdout );
+        mbedtls_printf("  > Write STARTTLS to server:");
+        fflush(stdout);
 
-        gethostname( hostname, 32 );
-        len = sprintf( (char *) buf, "STARTTLS\r\n" );
-        ret = write_and_get_response( &server_fd, buf, len );
-        if( ret < 200 || ret > 299 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        gethostname(hostname, 32);
+        len = sprintf((char *)buf, "STARTTLS\r\n");
+        ret = write_and_get_response(&server_fd, buf, len);
+        if (ret < 200 || ret > 299) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        if( do_handshake( &ssl ) != 0 )
+        if (do_handshake(&ssl) != 0)
             goto exit;
     }
 
-#if defined(MBEDTLS_BASE64_C)
-    if( opt.authentication )
-    {
-        mbedtls_printf( "  > Write AUTH LOGIN to server:" );
-        fflush( stdout );
+#    if defined(MBEDTLS_BASE64_C)
+    if (opt.authentication) {
+        mbedtls_printf("  > Write AUTH LOGIN to server:");
+        fflush(stdout);
 
-        len = sprintf( (char *) buf, "AUTH LOGIN\r\n" );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *)buf, "AUTH LOGIN\r\n");
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write username to server: %s", opt.user_name );
-        fflush( stdout );
+        mbedtls_printf("  > Write username to server: %s", opt.user_name);
+        fflush(stdout);
 
-        ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_name,
-                             strlen( opt.user_name ) );
+        ret = mbedtls_base64_encode(base, sizeof(base), &n,
+                                    (const unsigned char *)opt.user_name,
+                                    strlen(opt.user_name));
 
-        if( ret != 0 ) {
-            mbedtls_printf( " failed\n  ! mbedtls_base64_encode returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_base64_encode returned %d\n\n",
+                           ret);
             goto exit;
         }
-        len = sprintf( (char *) buf, "%s\r\n", base );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 300 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *)buf, "%s\r\n", base);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 300 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
 
-        mbedtls_printf( "  > Write password to server: %s", opt.user_pwd );
-        fflush( stdout );
+        mbedtls_printf("  > Write password to server: %s", opt.user_pwd);
+        fflush(stdout);
 
-        ret = mbedtls_base64_encode( base, sizeof( base ), &n, (const unsigned char *) opt.user_pwd,
-                             strlen( opt.user_pwd ) );
+        ret = mbedtls_base64_encode(base, sizeof(base), &n,
+                                    (const unsigned char *)opt.user_pwd,
+                                    strlen(opt.user_pwd));
 
-        if( ret != 0 ) {
-            mbedtls_printf( " failed\n  ! mbedtls_base64_encode returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_base64_encode returned %d\n\n",
+                           ret);
             goto exit;
         }
-        len = sprintf( (char *) buf, "%s\r\n", base );
-        ret = write_ssl_and_get_response( &ssl, buf, len );
-        if( ret < 200 || ret > 399 )
-        {
-            mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+        len = sprintf((char *)buf, "%s\r\n", base);
+        ret = write_ssl_and_get_response(&ssl, buf, len);
+        if (ret < 200 || ret > 399) {
+            mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_printf(" ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif
+#    endif
 
-    mbedtls_printf( "  > Write MAIL FROM to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write MAIL FROM to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "MAIL FROM:<%s>\r\n", opt.mail_from );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *)buf, "MAIL FROM:<%s>\r\n", opt.mail_from);
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write RCPT TO to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write RCPT TO to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "RCPT TO:<%s>\r\n", opt.mail_to );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *)buf, "RCPT TO:<%s>\r\n", opt.mail_to);
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write DATA to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write DATA to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "DATA\r\n" );
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 300 || ret > 399 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *)buf, "DATA\r\n");
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 300 || ret > 399) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_printf( "  > Write content to server:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write content to server:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n"
-            "This is a simple test mail from the "
-            "mbed TLS mail client example.\r\n"
-            "\r\n"
-            "Enjoy!", opt.mail_from );
-    ret = write_ssl_data( &ssl, buf, len );
+    len = sprintf((char *)buf,
+                  "From: %s\r\nSubject: mbed TLS Test mail\r\n\r\n"
+                  "This is a simple test mail from the "
+                  "mbed TLS mail client example.\r\n"
+                  "\r\n"
+                  "Enjoy!",
+                  opt.mail_from);
+    ret = write_ssl_data(&ssl, buf, len);
 
-    len = sprintf( (char *) buf, "\r\n.\r\n");
-    ret = write_ssl_and_get_response( &ssl, buf, len );
-    if( ret < 200 || ret > 299 )
-    {
-        mbedtls_printf( " failed\n  ! server responded with %d\n\n", ret );
+    len = sprintf((char *)buf, "\r\n.\r\n");
+    ret = write_ssl_and_get_response(&ssl, buf, len);
+    if (ret < 200 || ret > 299) {
+        mbedtls_printf(" failed\n  ! server responded with %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf(" ok\n" );
+    mbedtls_printf(" ok\n");
 
-    mbedtls_ssl_close_notify( &ssl );
+    mbedtls_ssl_close_notify(&ssl);
 
     exit_code = MBEDTLS_EXIT_SUCCESS;
 
 exit:
 
-    mbedtls_net_free( &server_fd );
-    mbedtls_x509_crt_free( &clicert );
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_net_free(&server_fd);
+    mbedtls_x509_crt_free(&clicert);
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  + Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  + Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( exit_code );
+    mbedtls_exit(exit_code);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C &&
-          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C **
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C && MBEDTLS_SSL_TLS_C && \
+          MBEDTLS_SSL_CLI_C && MBEDTLS_NET_C && MBEDTLS_RSA_C **        \
           MBEDTLS_CTR_DRBG_C */
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index 4517309..f412945 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -21,85 +21,86 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_snprintf     snprintf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
-#if !defined(MBEDTLS_BIGNUM_C)  || !defined(MBEDTLS_ENTROPY_C) ||         \
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_ENTROPY_C) ||          \
     !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_SRV_C) ||         \
     !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_RSA_C) ||                 \
     !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_X509_CRT_PARSE_C) || \
     !defined(MBEDTLS_FS_IO) || !defined(MBEDTLS_THREADING_C) ||           \
     !defined(MBEDTLS_THREADING_PTHREAD) || !defined(MBEDTLS_PEM_PARSE_C)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
-           "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
-           "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C and/or "
+                   "MBEDTLS_THREADING_C and/or MBEDTLS_THREADING_PTHREAD "
+                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include <stdlib.h>
-#include <string.h>
+#    include <stdlib.h>
+#    include <string.h>
 
-#if defined(_WIN32)
-#include <windows.h>
-#endif
+#    if defined(_WIN32)
+#        include <windows.h>
+#    endif
 
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/error.h"
-#include "test/certs.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/x509.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/error.h"
+#    include "test/certs.h"
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-#include "mbedtls/ssl_cache.h"
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+#        include "mbedtls/ssl_cache.h"
+#    endif
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#include "mbedtls/memory_buffer_alloc.h"
-#endif
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#        include "mbedtls/memory_buffer_alloc.h"
+#    endif
 
+#    define HTTP_RESPONSE                                    \
+        "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+        "<h2>mbed TLS Test Server</h2>\r\n"                  \
+        "<p>Successful connection using: %s</p>\r\n"
 
-#define HTTP_RESPONSE \
-    "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
-    "<h2>mbed TLS Test Server</h2>\r\n" \
-    "<p>Successful connection using: %s</p>\r\n"
+#    define DEBUG_LEVEL 0
 
-#define DEBUG_LEVEL 0
-
-#define MAX_NUM_THREADS 5
+#    define MAX_NUM_THREADS 5
 
 mbedtls_threading_mutex_t debug_mutex;
 
-static void my_mutexed_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void my_mutexed_debug(void *ctx,
+                             int level,
+                             const char *file,
+                             int line,
+                             const char *str)
 {
-    long int thread_id = (long int) pthread_self();
+    long int thread_id = (long int)pthread_self();
 
-    mbedtls_mutex_lock( &debug_mutex );
+    mbedtls_mutex_lock(&debug_mutex);
 
-    ((void) level);
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: [ #%ld ] %s",
-                                    file, line, thread_id, str );
-    fflush(  (FILE *) ctx  );
+    ((void)level);
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: [ #%ld ] %s", file, line, thread_id,
+                    str);
+    fflush((FILE *)ctx);
 
-    mbedtls_mutex_unlock( &debug_mutex );
+    mbedtls_mutex_unlock(&debug_mutex);
 }
 
 typedef struct {
@@ -110,207 +111,201 @@
 
 typedef struct {
     int active;
-    thread_info_t   data;
-    pthread_t       thread;
+    thread_info_t data;
+    pthread_t thread;
 } pthread_info_t;
 
-static thread_info_t    base_info;
-static pthread_info_t   threads[MAX_NUM_THREADS];
+static thread_info_t base_info;
+static pthread_info_t threads[MAX_NUM_THREADS];
 
-static void *handle_ssl_connection( void *data )
+static void *handle_ssl_connection(void *data)
 {
     int ret, len;
-    thread_info_t *thread_info = (thread_info_t *) data;
+    thread_info_t *thread_info = (thread_info_t *)data;
     mbedtls_net_context *client_fd = &thread_info->client_fd;
-    long int thread_id = (long int) pthread_self();
+    long int thread_id = (long int)pthread_self();
     unsigned char buf[1024];
     mbedtls_ssl_context ssl;
 
     /* Make sure memory references are valid */
-    mbedtls_ssl_init( &ssl );
+    mbedtls_ssl_init(&ssl);
 
-    mbedtls_printf( "  [ #%ld ]  Setting up SSL/TLS data\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Setting up SSL/TLS data\n", thread_id);
 
     /*
      * 4. Get the SSL context ready
      */
-    if( ( ret = mbedtls_ssl_setup( &ssl, thread_info->config ) ) != 0 )
-    {
-        mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
-                thread_id, ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, thread_info->config)) != 0) {
+        mbedtls_printf(
+            "  [ #%ld ]  failed: mbedtls_ssl_setup returned -0x%04x\n",
+            thread_id, (unsigned int)-ret);
         goto thread_exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, client_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
     /*
      * 5. Handshake
      */
-    mbedtls_printf( "  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  Performing the SSL/TLS handshake\n", thread_id);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
-                    thread_id, ( unsigned int ) -ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                "  [ #%ld ]  failed: mbedtls_ssl_handshake returned -0x%04x\n",
+                thread_id, (unsigned int)-ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( "  [ #%ld ]  ok\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  ok\n", thread_id);
 
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  [ #%ld ]  < Read from client\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  < Read from client\n", thread_id);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+            ret == MBEDTLS_ERR_SSL_WANT_WRITE)
             continue;
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( "  [ #%ld ]  connection was closed gracefully\n",
-                            thread_id );
+                    mbedtls_printf(
+                        "  [ #%ld ]  connection was closed gracefully\n",
+                        thread_id);
                     goto thread_exit;
 
                 case MBEDTLS_ERR_NET_CONN_RESET:
-                    mbedtls_printf( "  [ #%ld ]  connection was reset by peer\n",
-                            thread_id );
+                    mbedtls_printf("  [ #%ld ]  connection was reset by peer\n",
+                                   thread_id);
                     goto thread_exit;
 
                 default:
-                    mbedtls_printf( "  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
-                            thread_id, ( unsigned int ) -ret );
+                    mbedtls_printf(
+                        "  [ #%ld ]  mbedtls_ssl_read returned -0x%04x\n",
+                        thread_id, (unsigned int)-ret);
                     goto thread_exit;
             }
         }
 
         len = ret;
-        mbedtls_printf( "  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
-                thread_id, len, (char *) buf );
+        mbedtls_printf("  [ #%ld ]  %d bytes read\n=====\n%s\n=====\n",
+                       thread_id, len, (char *)buf);
 
-        if( ret > 0 )
+        if (ret > 0)
             break;
-    }
-    while( 1 );
+    } while (1);
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  [ #%ld ]  > Write to client:\n", thread_id );
+    mbedtls_printf("  [ #%ld ]  > Write to client:\n", thread_id);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len =
+        sprintf((char *)buf, HTTP_RESPONSE, mbedtls_ssl_get_ciphersuite(&ssl));
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: peer closed the connection\n",
-                    thread_id );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+            mbedtls_printf("  [ #%ld ]  failed: peer closed the connection\n",
+                           thread_id);
             goto thread_exit;
         }
 
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                "  [ #%ld ]  failed: mbedtls_ssl_write returned -0x%04x\n",
+                thread_id, (unsigned int)ret);
             goto thread_exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( "  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
-            thread_id, len, (char *) buf );
+    mbedtls_printf("  [ #%ld ]  %d bytes written\n=====\n%s\n=====\n",
+                   thread_id, len, (char *)buf);
 
-    mbedtls_printf( "  [ #%ld ]  . Closing the connection...", thread_id );
+    mbedtls_printf("  [ #%ld ]  . Closing the connection...", thread_id);
 
-    while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-            ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( "  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
-                    thread_id, ( unsigned int ) ret );
+    while ((ret = mbedtls_ssl_close_notify(&ssl)) < 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                "  [ #%ld ]  failed: mbedtls_ssl_close_notify returned -0x%04x\n",
+                thread_id, (unsigned int)ret);
             goto thread_exit;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     ret = 0;
 
 thread_exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
+        mbedtls_strerror(ret, error_buf, 100);
         mbedtls_printf("  [ #%ld ]  Last error was: -0x%04x - %s\n\n",
-               thread_id, ( unsigned int ) -ret, error_buf );
+                       thread_id, (unsigned int)-ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( client_fd );
-    mbedtls_ssl_free( &ssl );
+    mbedtls_net_free(client_fd);
+    mbedtls_ssl_free(&ssl);
 
     thread_info->thread_complete = 1;
 
-    return NULL ;
+    return NULL;
 }
 
-static int thread_create( mbedtls_net_context *client_fd )
+static int thread_create(mbedtls_net_context *client_fd)
 {
     int ret, i;
 
     /*
      * Find in-active or finished thread slot
      */
-    for( i = 0; i < MAX_NUM_THREADS; i++ )
-    {
-        if( threads[i].active == 0 )
+    for (i = 0; i < MAX_NUM_THREADS; i++) {
+        if (threads[i].active == 0)
             break;
 
-        if( threads[i].data.thread_complete == 1 )
-        {
-            mbedtls_printf( "  [ main ]  Cleaning up thread %d\n", i );
-            pthread_join(threads[i].thread, NULL );
-            memset( &threads[i], 0, sizeof(pthread_info_t) );
+        if (threads[i].data.thread_complete == 1) {
+            mbedtls_printf("  [ main ]  Cleaning up thread %d\n", i);
+            pthread_join(threads[i].thread, NULL);
+            memset(&threads[i], 0, sizeof(pthread_info_t));
             break;
         }
     }
 
-    if( i == MAX_NUM_THREADS )
-        return -1 ;
+    if (i == MAX_NUM_THREADS)
+        return -1;
 
     /*
      * Fill thread-info for thread
      */
-    memcpy( &threads[i].data, &base_info, sizeof(base_info) );
+    memcpy(&threads[i].data, &base_info, sizeof(base_info));
     threads[i].active = 1;
-    memcpy( &threads[i].data.client_fd, client_fd, sizeof( mbedtls_net_context ) );
+    memcpy(&threads[i].data.client_fd, client_fd, sizeof(mbedtls_net_context));
 
-    if( ( ret = pthread_create( &threads[i].thread, NULL, handle_ssl_connection,
-                                &threads[i].data ) ) != 0 )
-    {
-        return ret ;
+    if ((ret = pthread_create(&threads[i].thread, NULL, handle_ssl_connection,
+                              &threads[i].data)) != 0) {
+        return ret;
     }
 
-    return 0 ;
+    return 0;
 }
 
-int main( void )
+int main(void)
 {
     int ret;
     mbedtls_net_context listen_fd, client_fd;
@@ -322,175 +317,173 @@
     mbedtls_x509_crt srvcert;
     mbedtls_x509_crt cachain;
     mbedtls_pk_context pkey;
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     unsigned char alloc_buf[100000];
-#endif
-#if defined(MBEDTLS_SSL_CACHE_C)
+#    endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_context cache;
-#endif
+#    endif
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
-#endif
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
+#    endif
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_init(&cache);
+#    endif
 
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_x509_crt_init( &cachain );
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_x509_crt_init(&cachain);
 
-    mbedtls_ssl_config_init( &conf );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
-    memset( threads, 0, sizeof(threads) );
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
+    mbedtls_ssl_config_init(&conf);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
+    memset(threads, 0, sizeof(threads));
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
 
-    mbedtls_mutex_init( &debug_mutex );
+    mbedtls_mutex_init(&debug_mutex);
 
     base_info.config = &conf;
 
     /*
      * We use only a single entropy source that is used in all the threads.
      */
-    mbedtls_entropy_init( &entropy );
+    mbedtls_entropy_init(&entropy);
 
     /*
      * 1a. Seed the random number generator
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
+    mbedtls_printf("  . Seeding the random number generator...");
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed: mbedtls_ctr_drbg_seed returned -0x%04x\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1b. Load the certificates and private RSA key
      */
-    mbedtls_printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &cachain, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&cachain,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_pk_init( &pkey );
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0,
-                         mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    mbedtls_pk_init(&pkey);
+    ret = mbedtls_pk_parse_key(&pkey,
+                               (const unsigned char *)mbedtls_test_srv_key,
+                               mbedtls_test_srv_key_len, NULL, 0,
+                               mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 1c. Prepare SSL configuration
      */
-    mbedtls_printf( "  . Setting up the SSL data...." );
+    mbedtls_printf("  . Setting up the SSL data....");
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
-                ( unsigned int ) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed: mbedtls_ssl_config_defaults returned -0x%04x\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_mutexed_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_mutexed_debug, stdout);
 
     /* mbedtls_ssl_cache_get() and mbedtls_ssl_cache_set() are thread-safe if
      * MBEDTLS_THREADING_C is set.
      */
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
-                                   mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_conf_session_cache(&conf, &cache, mbedtls_ssl_cache_get,
+                                   mbedtls_ssl_cache_set);
+#    endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, &cachain, NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, &cachain, NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433",
+                                MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf( "  [ main ]  Last error was: -0x%04x - %s\n", ( unsigned int ) -ret,
-                        error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("  [ main ]  Last error was: -0x%04x - %s\n",
+                       (unsigned int)-ret, error_buf);
     }
-#endif
+#    endif
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  [ main ]  Waiting for a remote connection\n" );
+    mbedtls_printf("  [ main ]  Waiting for a remote connection\n");
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
-                        ( unsigned int ) ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, NULL, 0, NULL)) !=
+        0) {
+        mbedtls_printf(
+            "  [ main ] failed: mbedtls_net_accept returned -0x%04x\n",
+            (unsigned int)ret);
         goto exit;
     }
 
-    mbedtls_printf( "  [ main ]  ok\n" );
-    mbedtls_printf( "  [ main ]  Creating a new thread\n" );
+    mbedtls_printf("  [ main ]  ok\n");
+    mbedtls_printf("  [ main ]  Creating a new thread\n");
 
-    if( ( ret = thread_create( &client_fd ) ) != 0 )
-    {
-        mbedtls_printf( "  [ main ]  failed: thread_create returned %d\n", ret );
-        mbedtls_net_free( &client_fd );
+    if ((ret = thread_create(&client_fd)) != 0) {
+        mbedtls_printf("  [ main ]  failed: thread_create returned %d\n", ret);
+        mbedtls_net_free(&client_fd);
         goto reset;
     }
 
@@ -498,32 +491,33 @@
     goto reset;
 
 exit:
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
-#endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
-    mbedtls_ssl_config_free( &conf );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_free(&cache);
+#    endif
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
+    mbedtls_ssl_config_free(&conf);
 
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_mutex_free( &debug_mutex );
+    mbedtls_mutex_free(&debug_mutex);
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     mbedtls_memory_buffer_alloc_free();
-#endif
+#    endif
 
-#if defined(_WIN32)
-    mbedtls_printf( "  Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
 
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
-          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
-          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_THREADING_C &&
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&                      \
+          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&    \
+          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_THREADING_C && \
           MBEDTLS_THREADING_PTHREAD && MBEDTLS_PEM_PARSE_C */
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index ace657c..3565652 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -20,17 +20,17 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_fprintf    fprintf
-#define mbedtls_printf     printf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_printf       printf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 #if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
@@ -38,56 +38,54 @@
     !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) ||      \
     !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) ||     \
     !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO)
-int main( void )
+int main(void)
 {
     mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
-           "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
-           "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
-           "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
-           "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
-    mbedtls_exit( 0 );
+                   "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
+                   "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
+                   "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
+                   "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else
 
-#include <stdlib.h>
-#include <string.h>
+#    include <stdlib.h>
+#    include <string.h>
 
-#if defined(_WIN32)
-#include <windows.h>
-#endif
+#    if defined(_WIN32)
+#        include <windows.h>
+#    endif
 
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/error.h"
-#include "mbedtls/debug.h"
-#include "test/certs.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/x509.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/debug.h"
+#    include "test/certs.h"
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-#include "mbedtls/ssl_cache.h"
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+#        include "mbedtls/ssl_cache.h"
+#    endif
 
-#define HTTP_RESPONSE \
-    "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
-    "<h2>mbed TLS Test Server</h2>\r\n" \
-    "<p>Successful connection using: %s</p>\r\n"
+#    define HTTP_RESPONSE                                    \
+        "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+        "<h2>mbed TLS Test Server</h2>\r\n"                  \
+        "<p>Successful connection using: %s</p>\r\n"
 
-#define DEBUG_LEVEL 0
+#    define DEBUG_LEVEL 0
 
-
-static void my_debug( void *ctx, int level,
-                      const char *file, int line,
-                      const char *str )
+static void
+my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
-    ((void) level);
+    ((void)level);
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
-    fflush(  (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: %s", file, line, str);
+    fflush((FILE *)ctx);
 }
 
-int main( void )
+int main(void)
 {
     int ret, len;
     mbedtls_net_context listen_fd, client_fd;
@@ -100,210 +98,207 @@
     mbedtls_ssl_config conf;
     mbedtls_x509_crt srvcert;
     mbedtls_pk_context pkey;
-#if defined(MBEDTLS_SSL_CACHE_C)
+#    if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_context cache;
-#endif
+#    endif
 
-    mbedtls_net_init( &listen_fd );
-    mbedtls_net_init( &client_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
-#endif
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_entropy_init( &entropy );
-    mbedtls_ctr_drbg_init( &ctr_drbg );
+    mbedtls_net_init(&listen_fd);
+    mbedtls_net_init(&client_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_init(&cache);
+#    endif
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_entropy_init(&entropy);
+    mbedtls_ctr_drbg_init(&ctr_drbg);
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(DEBUG_LEVEL);
+#    endif
 
     /*
      * 1. Seed the RNG
      */
-    mbedtls_printf( "  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("  . Seeding the random number generator...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
-                               (const unsigned char *) pers,
-                               strlen( pers ) ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret );
+    if ((ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
+                                     (const unsigned char *)pers,
+                                     strlen(pers))) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned %d\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 2. Load the certificates and private RSA key
      */
-    mbedtls_printf( "\n  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Loading the server cert. and key...");
+    fflush(stdout);
 
     /*
      * This demonstration program uses embedded test certificates.
      * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
      * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
      */
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
-                          mbedtls_test_srv_crt_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_srv_crt,
+                                 mbedtls_test_srv_crt_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
-                          mbedtls_test_cas_pem_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned %d\n\n", ret );
+    ret = mbedtls_x509_crt_parse(&srvcert,
+                                 (const unsigned char *)mbedtls_test_cas_pem,
+                                 mbedtls_test_cas_pem_len);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_x509_crt_parse returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    ret =  mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
-                         mbedtls_test_srv_key_len, NULL, 0,
-                         mbedtls_ctr_drbg_random, &ctr_drbg );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned %d\n\n", ret );
+    ret = mbedtls_pk_parse_key(&pkey,
+                               (const unsigned char *)mbedtls_test_srv_key,
+                               mbedtls_test_srv_key_len, NULL, 0,
+                               mbedtls_ctr_drbg_random, &ctr_drbg);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  !  mbedtls_pk_parse_key returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on https://localhost:4433/ ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on https://localhost:4433/ ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned %d\n\n", ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, NULL, "4433",
+                                MBEDTLS_NET_PROTO_TCP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL data...." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL data....");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    MBEDTLS_SSL_TRANSPORT_STREAM,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
+                                           MBEDTLS_SSL_TRANSPORT_STREAM,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
-                                   mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_conf_session_cache(&conf, &cache, mbedtls_ssl_cache_get,
+                                   mbedtls_ssl_cache_set);
+#    endif
 
-    mbedtls_ssl_conf_ca_chain( &conf, srvcert.MBEDTLS_PRIVATE(next), NULL );
-    if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+    mbedtls_ssl_conf_ca_chain(&conf, srvcert.MBEDTLS_PRIVATE(next), NULL);
+    if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, &pkey)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n",
+                       ret);
         goto exit;
     }
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                                    NULL, 0, NULL ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned %d\n\n", ret );
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, NULL, 0, NULL)) !=
+        0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned %d\n\n", ret);
         goto exit;
     }
 
-    mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
+    mbedtls_ssl_set_bio(&ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv,
+                        NULL);
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 5. Handshake
      */
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned %d\n\n",
+                           ret);
             goto reset;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  < Read from client:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from client:");
+    fflush(stdout);
 
-    do
-    {
-        len = sizeof( buf ) - 1;
-        memset( buf, 0, sizeof( buf ) );
-        ret = mbedtls_ssl_read( &ssl, buf, len );
+    do {
+        len = sizeof(buf) - 1;
+        memset(buf, 0, sizeof(buf));
+        ret = mbedtls_ssl_read(&ssl, buf, len);
 
-        if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
+        if (ret == MBEDTLS_ERR_SSL_WANT_READ ||
+            ret == MBEDTLS_ERR_SSL_WANT_WRITE)
             continue;
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     break;
 
                 case MBEDTLS_ERR_NET_CONN_RESET:
-                    mbedtls_printf( " connection was reset by peer\n" );
+                    mbedtls_printf(" connection was reset by peer\n");
                     break;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                   (unsigned int)-ret);
                     break;
             }
 
@@ -311,89 +306,86 @@
         }
 
         len = ret;
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
 
-        if( ret > 0 )
+        if (ret > 0)
             break;
-    }
-    while( 1 );
+    } while (1);
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  > Write to client:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to client:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len =
+        sprintf((char *)buf, HTTP_RESPONSE, mbedtls_ssl_get_ciphersuite(&ssl));
 
-    while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
-    {
-        if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-        {
-            mbedtls_printf( " failed\n  ! peer closed the connection\n\n" );
+    while ((ret = mbedtls_ssl_write(&ssl, buf, len)) <= 0) {
+        if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+            mbedtls_printf(" failed\n  ! peer closed the connection\n\n");
             goto reset;
         }
 
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
 
     len = ret;
-    mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
+    mbedtls_printf(" %d bytes written\n\n%s\n", len, (char *)buf);
 
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
-    while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
-    {
-        if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
-            ret != MBEDTLS_ERR_SSL_WANT_WRITE )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_close_notify returned %d\n\n", ret );
+    while ((ret = mbedtls_ssl_close_notify(&ssl)) < 0) {
+        if (ret != MBEDTLS_ERR_SSL_WANT_READ &&
+            ret != MBEDTLS_ERR_SSL_WANT_WRITE) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_close_notify returned %d\n\n", ret);
             goto reset;
         }
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     ret = 0;
     goto reset;
 
 exit:
 
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
-#endif
-    mbedtls_ctr_drbg_free( &ctr_drbg );
-    mbedtls_entropy_free( &entropy );
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_free(&cache);
+#    endif
+    mbedtls_ctr_drbg_free(&ctr_drbg);
+    mbedtls_entropy_free(&entropy);
 
-#if defined(_WIN32)
-    mbedtls_printf( "  Press Enter to exit this program.\n" );
-    fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+    mbedtls_printf("  Press Enter to exit this program.\n");
+    fflush(stdout);
+    getchar();
+#    endif
 
-    mbedtls_exit( ret );
+    mbedtls_exit(ret);
 }
-#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
-          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
-          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&                        \
+          MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&      \
+          MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C \
           && MBEDTLS_FS_IO && MBEDTLS_PEM_PARSE_C */
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index ea6706d..ca06bb3 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -22,141 +22,142 @@
 #include "ssl_test_lib.h"
 
 #if defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( MBEDTLS_SSL_TEST_IMPOSSIBLE );
-    mbedtls_exit( 0 );
+    mbedtls_printf(MBEDTLS_SSL_TEST_IMPOSSIBLE);
+    mbedtls_exit(0);
 }
 #elif !defined(MBEDTLS_SSL_SRV_C)
-int main( void )
+int main(void)
 {
-    mbedtls_printf( "MBEDTLS_SSL_SRV_C not defined.\n" );
-    mbedtls_exit( 0 );
+    mbedtls_printf("MBEDTLS_SSL_SRV_C not defined.\n");
+    mbedtls_exit(0);
 }
 #else /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
 
-#include <stdint.h>
+#    include <stdint.h>
 
-#if !defined(_MSC_VER)
-#include <inttypes.h>
-#endif
+#    if !defined(_MSC_VER)
+#        include <inttypes.h>
+#    endif
 
-#if !defined(_WIN32)
-#include <signal.h>
-#endif
+#    if !defined(_WIN32)
+#        include <signal.h>
+#    endif
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-#include "mbedtls/ssl_cache.h"
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+#        include "mbedtls/ssl_cache.h"
+#    endif
 
-#if defined(MBEDTLS_SSL_TICKET_C)
-#include "mbedtls/ssl_ticket.h"
-#endif
+#    if defined(MBEDTLS_SSL_TICKET_C)
+#        include "mbedtls/ssl_ticket.h"
+#    endif
 
-#if defined(MBEDTLS_SSL_COOKIE_C)
-#include "mbedtls/ssl_cookie.h"
-#endif
+#    if defined(MBEDTLS_SSL_COOKIE_C)
+#        include "mbedtls/ssl_cookie.h"
+#    endif
 
-#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO)
-#define SNI_OPTION
-#endif
+#    if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION) && defined(MBEDTLS_FS_IO)
+#        define SNI_OPTION
+#    endif
 
-#if defined(_WIN32)
-#include <windows.h>
-#endif
+#    if defined(_WIN32)
+#        include <windows.h>
+#    endif
 
 /* Size of memory to be allocated for the heap, when using the library's memory
  * management and MBEDTLS_MEMORY_BUFFER_ALLOC_C is enabled. */
-#define MEMORY_HEAP_SIZE        120000
+#    define MEMORY_HEAP_SIZE 120000
 
-#define DFL_SERVER_ADDR         NULL
-#define DFL_SERVER_PORT         "4433"
-#define DFL_RESPONSE_SIZE       -1
-#define DFL_DEBUG_LEVEL         0
-#define DFL_NBIO                0
-#define DFL_EVENT               0
-#define DFL_READ_TIMEOUT        0
-#define DFL_CA_FILE             ""
-#define DFL_CA_PATH             ""
-#define DFL_CRT_FILE            ""
-#define DFL_KEY_FILE            ""
-#define DFL_KEY_PWD             ""
-#define DFL_CRT_FILE2           ""
-#define DFL_KEY_FILE2           ""
-#define DFL_KEY_PWD2            ""
-#define DFL_ASYNC_OPERATIONS    "-"
-#define DFL_ASYNC_PRIVATE_DELAY1 ( -1 )
-#define DFL_ASYNC_PRIVATE_DELAY2 ( -1 )
-#define DFL_ASYNC_PRIVATE_ERROR  ( 0 )
-#define DFL_PSK                 ""
-#define DFL_PSK_OPAQUE          0
-#define DFL_PSK_LIST_OPAQUE     0
-#define DFL_PSK_IDENTITY        "Client_identity"
-#define DFL_ECJPAKE_PW          NULL
-#define DFL_PSK_LIST            NULL
-#define DFL_FORCE_CIPHER        0
-#define DFL_RENEGOTIATION       MBEDTLS_SSL_RENEGOTIATION_DISABLED
-#define DFL_ALLOW_LEGACY        -2
-#define DFL_RENEGOTIATE         0
-#define DFL_RENEGO_DELAY        -2
-#define DFL_RENEGO_PERIOD       ( (uint64_t)-1 )
-#define DFL_EXCHANGES           1
-#define DFL_MIN_VERSION         -1
-#define DFL_MAX_VERSION         -1
-#define DFL_SHA1                -1
-#define DFL_CID_ENABLED         0
-#define DFL_CID_VALUE           ""
-#define DFL_CID_ENABLED_RENEGO  -1
-#define DFL_CID_VALUE_RENEGO    NULL
-#define DFL_AUTH_MODE           -1
-#define DFL_CERT_REQ_CA_LIST    MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED
-#define DFL_MFL_CODE            MBEDTLS_SSL_MAX_FRAG_LEN_NONE
-#define DFL_TRUNC_HMAC          -1
-#define DFL_TICKETS             MBEDTLS_SSL_SESSION_TICKETS_ENABLED
-#define DFL_TICKET_TIMEOUT      86400
-#define DFL_CACHE_MAX           -1
-#define DFL_CACHE_TIMEOUT       -1
-#define DFL_SNI                 NULL
-#define DFL_ALPN_STRING         NULL
-#define DFL_CURVES              NULL
-#define DFL_DHM_FILE            NULL
-#define DFL_TRANSPORT           MBEDTLS_SSL_TRANSPORT_STREAM
-#define DFL_COOKIES             1
-#define DFL_ANTI_REPLAY         -1
-#define DFL_HS_TO_MIN           0
-#define DFL_HS_TO_MAX           0
-#define DFL_DTLS_MTU            -1
-#define DFL_BADMAC_LIMIT        -1
-#define DFL_DGRAM_PACKING        1
-#define DFL_EXTENDED_MS         -1
-#define DFL_ETM                 -1
-#define DFL_SERIALIZE           0
-#define DFL_CONTEXT_FILE        ""
-#define DFL_EXTENDED_MS_ENFORCE -1
-#define DFL_CA_CALLBACK         0
-#define DFL_EAP_TLS             0
-#define DFL_REPRODUCIBLE        0
-#define DFL_NSS_KEYLOG          0
-#define DFL_NSS_KEYLOG_FILE     NULL
-#define DFL_QUERY_CONFIG_MODE   0
-#define DFL_USE_SRTP            0
-#define DFL_SRTP_FORCE_PROFILE  0
-#define DFL_SRTP_SUPPORT_MKI    0
+#    define DFL_SERVER_ADDR          NULL
+#    define DFL_SERVER_PORT          "4433"
+#    define DFL_RESPONSE_SIZE        -1
+#    define DFL_DEBUG_LEVEL          0
+#    define DFL_NBIO                 0
+#    define DFL_EVENT                0
+#    define DFL_READ_TIMEOUT         0
+#    define DFL_CA_FILE              ""
+#    define DFL_CA_PATH              ""
+#    define DFL_CRT_FILE             ""
+#    define DFL_KEY_FILE             ""
+#    define DFL_KEY_PWD              ""
+#    define DFL_CRT_FILE2            ""
+#    define DFL_KEY_FILE2            ""
+#    define DFL_KEY_PWD2             ""
+#    define DFL_ASYNC_OPERATIONS     "-"
+#    define DFL_ASYNC_PRIVATE_DELAY1 (-1)
+#    define DFL_ASYNC_PRIVATE_DELAY2 (-1)
+#    define DFL_ASYNC_PRIVATE_ERROR  (0)
+#    define DFL_PSK                  ""
+#    define DFL_PSK_OPAQUE           0
+#    define DFL_PSK_LIST_OPAQUE      0
+#    define DFL_PSK_IDENTITY         "Client_identity"
+#    define DFL_ECJPAKE_PW           NULL
+#    define DFL_PSK_LIST             NULL
+#    define DFL_FORCE_CIPHER         0
+#    define DFL_RENEGOTIATION        MBEDTLS_SSL_RENEGOTIATION_DISABLED
+#    define DFL_ALLOW_LEGACY         -2
+#    define DFL_RENEGOTIATE          0
+#    define DFL_RENEGO_DELAY         -2
+#    define DFL_RENEGO_PERIOD        ((uint64_t)-1)
+#    define DFL_EXCHANGES            1
+#    define DFL_MIN_VERSION          -1
+#    define DFL_MAX_VERSION          -1
+#    define DFL_SHA1                 -1
+#    define DFL_CID_ENABLED          0
+#    define DFL_CID_VALUE            ""
+#    define DFL_CID_ENABLED_RENEGO   -1
+#    define DFL_CID_VALUE_RENEGO     NULL
+#    define DFL_AUTH_MODE            -1
+#    define DFL_CERT_REQ_CA_LIST     MBEDTLS_SSL_CERT_REQ_CA_LIST_ENABLED
+#    define DFL_MFL_CODE             MBEDTLS_SSL_MAX_FRAG_LEN_NONE
+#    define DFL_TRUNC_HMAC           -1
+#    define DFL_TICKETS              MBEDTLS_SSL_SESSION_TICKETS_ENABLED
+#    define DFL_TICKET_TIMEOUT       86400
+#    define DFL_CACHE_MAX            -1
+#    define DFL_CACHE_TIMEOUT        -1
+#    define DFL_SNI                  NULL
+#    define DFL_ALPN_STRING          NULL
+#    define DFL_CURVES               NULL
+#    define DFL_DHM_FILE             NULL
+#    define DFL_TRANSPORT            MBEDTLS_SSL_TRANSPORT_STREAM
+#    define DFL_COOKIES              1
+#    define DFL_ANTI_REPLAY          -1
+#    define DFL_HS_TO_MIN            0
+#    define DFL_HS_TO_MAX            0
+#    define DFL_DTLS_MTU             -1
+#    define DFL_BADMAC_LIMIT         -1
+#    define DFL_DGRAM_PACKING        1
+#    define DFL_EXTENDED_MS          -1
+#    define DFL_ETM                  -1
+#    define DFL_SERIALIZE            0
+#    define DFL_CONTEXT_FILE         ""
+#    define DFL_EXTENDED_MS_ENFORCE  -1
+#    define DFL_CA_CALLBACK          0
+#    define DFL_EAP_TLS              0
+#    define DFL_REPRODUCIBLE         0
+#    define DFL_NSS_KEYLOG           0
+#    define DFL_NSS_KEYLOG_FILE      NULL
+#    define DFL_QUERY_CONFIG_MODE    0
+#    define DFL_USE_SRTP             0
+#    define DFL_SRTP_FORCE_PROFILE   0
+#    define DFL_SRTP_SUPPORT_MKI     0
 
-#define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
-    "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"  \
-    "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
+#    define LONG_RESPONSE                                                         \
+        "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n"                  \
+        "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+        "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+        "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+        "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+        "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
+        "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
 
 /* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
  * packets (for fragmentation purposes) */
-#define HTTP_RESPONSE \
-    "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
-    "<h2>mbed TLS Test Server</h2>\r\n" \
-    "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
+#    define HTTP_RESPONSE                                    \
+        "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
+        "<h2>mbed TLS Test Server</h2>\r\n"                  \
+        "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
 
 /*
  * Size of the basic I/O buffer. Able to hold our default response.
@@ -164,358 +165,335 @@
  * You will need to adapt the mbedtls_ssl_get_bytes_avail() test in ssl-opt.sh
  * if you change this value to something outside the range <= 100 or > 500
  */
-#define DFL_IO_BUF_LEN      200
+#    define DFL_IO_BUF_LEN 200
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-#if defined(MBEDTLS_FS_IO)
-#define USAGE_IO \
-    "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (pre-loaded)\n" \
-    "                        use \"none\" to skip loading any top-level CAs.\n" \
-    "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (pre-loaded) (overrides ca_file)\n" \
-    "                        use \"none\" to skip loading any top-level CAs.\n" \
-    "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n" \
-    "                        default: see note after key_file2\n" \
-    "    key_file=%%s         default: see note after key_file2\n" \
-    "    key_pwd=%%s          Password for key specified by key_file argument\n"\
-    "                        default: none\n" \
-    "    crt_file2=%%s        Your second cert and chain (in bottom to top order, top may be omitted)\n" \
-    "                        default: see note after key_file2\n" \
-    "    key_file2=%%s        default: see note below\n" \
-    "                        note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n" \
-    "                              preloaded certificate(s) and key(s) are used if available\n" \
-    "    key_pwd2=%%s         Password for key specified by key_file2 argument\n"\
-    "                        default: none\n" \
-    "    dhm_file=%%s        File containing Diffie-Hellman parameters\n" \
-    "                       default: preloaded parameters\n"
-#else
-#define USAGE_IO \
-    "\n"                                                    \
-    "    No file operations available (MBEDTLS_FS_IO not defined)\n" \
-    "\n"
-#endif /* MBEDTLS_FS_IO */
-#else
-#define USAGE_IO ""
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+#        if defined(MBEDTLS_FS_IO)
+#            define USAGE_IO                                                                                         \
+                "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n"          \
+                "                        default: \"\" (pre-loaded)\n"                                               \
+                "                        use \"none\" to skip loading any top-level CAs.\n"                          \
+                "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n"                 \
+                "                        default: \"\" (pre-loaded) (overrides ca_file)\n"                           \
+                "                        use \"none\" to skip loading any top-level CAs.\n"                          \
+                "    crt_file=%%s         Your own cert and chain (in bottom to top order, top may be omitted)\n"    \
+                "                        default: see note after key_file2\n"                                        \
+                "    key_file=%%s         default: see note after key_file2\n"                                       \
+                "    key_pwd=%%s          Password for key specified by key_file argument\n"                         \
+                "                        default: none\n"                                                            \
+                "    crt_file2=%%s        Your second cert and chain (in bottom to top order, top may be omitted)\n" \
+                "                        default: see note after key_file2\n"                                        \
+                "    key_file2=%%s        default: see note below\n"                                                 \
+                "                        note: if neither crt_file/key_file nor crt_file2/key_file2 are used,\n"     \
+                "                              preloaded certificate(s) and key(s) are used if available\n"          \
+                "    key_pwd2=%%s         Password for key specified by key_file2 argument\n"                        \
+                "                        default: none\n"                                                            \
+                "    dhm_file=%%s        File containing Diffie-Hellman parameters\n"                                \
+                "                       default: preloaded parameters\n"
+#        else
+#            define USAGE_IO                                                     \
+                "\n"                                                             \
+                "    No file operations available (MBEDTLS_FS_IO not defined)\n" \
+                "\n"
+#        endif /* MBEDTLS_FS_IO */
+#    else
+#        define USAGE_IO ""
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-#define USAGE_SSL_ASYNC \
-    "    async_operations=%%c...   d=decrypt, s=sign (default: -=off)\n" \
-    "    async_private_delay1=%%d  Asynchronous delay for key_file or preloaded key\n" \
-    "    async_private_delay2=%%d  Asynchronous delay for key_file2 and sni\n" \
-    "                              default: -1 (not asynchronous)\n" \
-    "    async_private_error=%%d   Async callback error injection (default=0=none,\n" \
-    "                              1=start, 2=cancel, 3=resume, negative=first time only)"
-#else
-#define USAGE_SSL_ASYNC ""
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+#        define USAGE_SSL_ASYNC                                                                \
+            "    async_operations=%%c...   d=decrypt, s=sign (default: -=off)\n"               \
+            "    async_private_delay1=%%d  Asynchronous delay for key_file or preloaded key\n" \
+            "    async_private_delay2=%%d  Asynchronous delay for key_file2 and sni\n"         \
+            "                              default: -1 (not asynchronous)\n"                   \
+            "    async_private_error=%%d   Async callback error injection (default=0=none,\n"  \
+            "                              1=start, 2=cancel, 3=resume, negative=first time only)"
+#    else
+#        define USAGE_SSL_ASYNC ""
+#    endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-#define USAGE_CID \
-    "    cid=%%d             Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n" \
-    "                       default: 0 (disabled)\n"     \
-    "    cid_renego=%%d      Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
-    "                       default: same as 'cid' parameter\n"     \
-    "    cid_val=%%s          The CID to use for incoming messages (in hex, without 0x).\n"  \
-    "                        default: \"\"\n" \
-    "    cid_val_renego=%%s   The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n"  \
-    "                        default: same as 'cid_val' parameter\n"
-#else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-#define USAGE_CID ""
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#        define USAGE_CID                                                                                                           \
+            "    cid=%%d             Disable (0) or enable (1) the use of the DTLS Connection ID extension.\n"                      \
+            "                       default: 0 (disabled)\n"                                                                        \
+            "    cid_renego=%%d      Disable (0) or enable (1) the use of the DTLS Connection ID extension during renegotiation.\n" \
+            "                       default: same as 'cid' parameter\n"                                                             \
+            "    cid_val=%%s          The CID to use for incoming messages (in hex, without 0x).\n"                                 \
+            "                        default: \"\"\n"                                                                               \
+            "    cid_val_renego=%%s   The CID to use for incoming messages (in hex, without 0x) after renegotiation.\n"             \
+            "                        default: same as 'cid_val' parameter\n"
+#    else /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#        define USAGE_CID ""
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-#define USAGE_PSK_RAW                                               \
-    "    psk=%%s              default: \"\" (disabled)\n"     \
-    "                          The PSK values are in hex, without 0x.\n" \
-    "    psk_list=%%s         default: \"\"\n"                          \
-    "                          A list of (PSK identity, PSK value) pairs.\n" \
-    "                          The PSK values are in hex, without 0x.\n" \
-    "                          id1,psk1[,id2,psk2[,...]]\n"             \
-    "    psk_identity=%%s     default: \"Client_identity\"\n"
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-#define USAGE_PSK_SLOT                          \
-    "    psk_opaque=%%d       default: 0 (don't use opaque static PSK)\n"     \
-    "                          Enable this to store the PSK configured through command line\n" \
-    "                          parameter `psk` in a PSA-based key slot.\n" \
-    "                          Note: Currently only supported in conjunction with\n"                  \
-    "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n"      \
-    "                          to force a particular PSK-only ciphersuite.\n"                         \
-    "                          Note: This is to test integration of PSA-based opaque PSKs with\n"     \
-    "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n"  \
-    "                          with prepopulated key slots instead of importing raw key material.\n" \
-    "    psk_list_opaque=%%d  default: 0 (don't use opaque dynamic PSKs)\n"     \
-    "                          Enable this to store the list of dynamically chosen PSKs configured\n" \
-    "                          through the command line parameter `psk_list` in PSA-based key slots.\n" \
-    "                          Note: Currently only supported in conjunction with\n" \
-    "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n" \
-    "                          to force a particular PSK-only ciphersuite.\n" \
-    "                          Note: This is to test integration of PSA-based opaque PSKs with\n" \
-    "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n" \
-    "                          with prepopulated key slots instead of importing raw key material.\n"
-#else
-#define USAGE_PSK_SLOT ""
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-#define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
-#else
-#define USAGE_PSK ""
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-#define USAGE_CA_CALLBACK                       \
-    "   ca_callback=%%d       default: 0 (disabled)\n"      \
-    "                         Enable this to use the trusted certificate callback function\n"
-#else
-#define USAGE_CA_CALLBACK ""
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-#define USAGE_TICKETS                                       \
-    "    tickets=%%d          default: 1 (enabled)\n"       \
-    "    ticket_timeout=%%d   default: 86400 (one day)\n"
-#else
-#define USAGE_TICKETS ""
-#endif /* MBEDTLS_SSL_SESSION_TICKETS */
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#        define USAGE_PSK_RAW                                                        \
+            "    psk=%%s              default: \"\" (disabled)\n"                    \
+            "                          The PSK values are in hex, without 0x.\n"     \
+            "    psk_list=%%s         default: \"\"\n"                               \
+            "                          A list of (PSK identity, PSK value) pairs.\n" \
+            "                          The PSK values are in hex, without 0x.\n"     \
+            "                          id1,psk1[,id2,psk2[,...]]\n"                  \
+            "    psk_identity=%%s     default: \"Client_identity\"\n"
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+#            define USAGE_PSK_SLOT                                                                                  \
+                "    psk_opaque=%%d       default: 0 (don't use opaque static PSK)\n"                               \
+                "                          Enable this to store the PSK configured through command line\n"          \
+                "                          parameter `psk` in a PSA-based key slot.\n"                              \
+                "                          Note: Currently only supported in conjunction with\n"                    \
+                "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n"        \
+                "                          to force a particular PSK-only ciphersuite.\n"                           \
+                "                          Note: This is to test integration of PSA-based opaque PSKs with\n"       \
+                "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n"    \
+                "                          with prepopulated key slots instead of importing raw key material.\n"    \
+                "    psk_list_opaque=%%d  default: 0 (don't use opaque dynamic PSKs)\n"                             \
+                "                          Enable this to store the list of dynamically chosen PSKs configured\n"   \
+                "                          through the command line parameter `psk_list` in PSA-based key slots.\n" \
+                "                          Note: Currently only supported in conjunction with\n"                    \
+                "                          the use of min_version to force TLS 1.2 and force_ciphersuite \n"        \
+                "                          to force a particular PSK-only ciphersuite.\n"                           \
+                "                          Note: This is to test integration of PSA-based opaque PSKs with\n"       \
+                "                          Mbed TLS only. Production systems are likely to configure Mbed TLS\n"    \
+                "                          with prepopulated key slots instead of importing raw key material.\n"
+#        else
+#            define USAGE_PSK_SLOT ""
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        define USAGE_PSK USAGE_PSK_RAW USAGE_PSK_SLOT
+#    else
+#        define USAGE_PSK ""
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+#        define USAGE_CA_CALLBACK                              \
+            "   ca_callback=%%d       default: 0 (disabled)\n" \
+            "                         Enable this to use the trusted certificate callback function\n"
+#    else
+#        define USAGE_CA_CALLBACK ""
+#    endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+#        define USAGE_TICKETS                                 \
+            "    tickets=%%d          default: 1 (enabled)\n" \
+            "    ticket_timeout=%%d   default: 86400 (one day)\n"
+#    else
+#        define USAGE_TICKETS ""
+#    endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-#define USAGE_EAP_TLS                                       \
-    "    eap_tls=%%d          default: 0 (disabled)\n"
-#define USAGE_NSS_KEYLOG                                    \
-    "    nss_keylog=%%d          default: 0 (disabled)\n"   \
-    "                             This cannot be used with eap_tls=1\n"
-#define USAGE_NSS_KEYLOG_FILE                               \
-    "    nss_keylog_file=%%s\n"
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
-#define USAGE_SRTP \
-    "    use_srtp=%%d         default: 0 (disabled)\n" \
-    "    srtp_force_profile=%%d  default: 0 (all enabled)\n"   \
-    "                        available profiles:\n"       \
-    "                        1 - SRTP_AES128_CM_HMAC_SHA1_80\n"  \
-    "                        2 - SRTP_AES128_CM_HMAC_SHA1_32\n"  \
-    "                        3 - SRTP_NULL_HMAC_SHA1_80\n"       \
-    "                        4 - SRTP_NULL_HMAC_SHA1_32\n"       \
-    "    support_mki=%%d     default: 0 (not supported)\n"
-#else /* MBEDTLS_SSL_DTLS_SRTP */
-#define USAGE_SRTP ""
-#endif
-#else /* MBEDTLS_SSL_EXPORT_KEYS */
-#define USAGE_EAP_TLS ""
-#define USAGE_NSS_KEYLOG ""
-#define USAGE_NSS_KEYLOG_FILE ""
-#define USAGE_SRTP ""
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#        define USAGE_EAP_TLS "    eap_tls=%%d          default: 0 (disabled)\n"
+#        define USAGE_NSS_KEYLOG                                  \
+            "    nss_keylog=%%d          default: 0 (disabled)\n" \
+            "                             This cannot be used with eap_tls=1\n"
+#        define USAGE_NSS_KEYLOG_FILE "    nss_keylog_file=%%s\n"
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+#            define USAGE_SRTP                                              \
+                "    use_srtp=%%d         default: 0 (disabled)\n"          \
+                "    srtp_force_profile=%%d  default: 0 (all enabled)\n"    \
+                "                        available profiles:\n"             \
+                "                        1 - SRTP_AES128_CM_HMAC_SHA1_80\n" \
+                "                        2 - SRTP_AES128_CM_HMAC_SHA1_32\n" \
+                "                        3 - SRTP_NULL_HMAC_SHA1_80\n"      \
+                "                        4 - SRTP_NULL_HMAC_SHA1_32\n"      \
+                "    support_mki=%%d     default: 0 (not supported)\n"
+#        else /* MBEDTLS_SSL_DTLS_SRTP */
+#            define USAGE_SRTP ""
+#        endif
+#    else /* MBEDTLS_SSL_EXPORT_KEYS */
+#        define USAGE_EAP_TLS         ""
+#        define USAGE_NSS_KEYLOG      ""
+#        define USAGE_NSS_KEYLOG_FILE ""
+#        define USAGE_SRTP            ""
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-#define USAGE_CACHE                                             \
-    "    cache_max=%%d        default: cache default (50)\n"    \
-    "    cache_timeout=%%d    default: cache default (1d)\n"
-#else
-#define USAGE_CACHE ""
-#endif /* MBEDTLS_SSL_CACHE_C */
+#    if defined(MBEDTLS_SSL_CACHE_C)
+#        define USAGE_CACHE                                          \
+            "    cache_max=%%d        default: cache default (50)\n" \
+            "    cache_timeout=%%d    default: cache default (1d)\n"
+#    else
+#        define USAGE_CACHE ""
+#    endif /* MBEDTLS_SSL_CACHE_C */
 
-#if defined(SNI_OPTION)
-#if defined(MBEDTLS_X509_CRL_PARSE_C)
-#define SNI_CRL              ",crl"
-#else
-#define SNI_CRL              ""
-#endif
+#    if defined(SNI_OPTION)
+#        if defined(MBEDTLS_X509_CRL_PARSE_C)
+#            define SNI_CRL ",crl"
+#        else
+#            define SNI_CRL ""
+#        endif
 
-#define USAGE_SNI                                                           \
-    "    sni=%%s              name1,cert1,key1,ca1"SNI_CRL",auth1[,...]\n"  \
-    "                        default: disabled\n"
-#else
-#define USAGE_SNI ""
-#endif /* SNI_OPTION */
+#        define USAGE_SNI                                           \
+            "    sni=%%s              name1,cert1,key1,ca1" SNI_CRL \
+            ",auth1[,...]\n"                                        \
+            "                        default: disabled\n"
+#    else
+#        define USAGE_SNI ""
+#    endif /* SNI_OPTION */
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-#define USAGE_MAX_FRAG_LEN                                      \
-    "    max_frag_len=%%d     default: 16384 (tls default)\n"   \
-    "                        options: 512, 1024, 2048, 4096\n"
-#else
-#define USAGE_MAX_FRAG_LEN ""
-#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+#        define USAGE_MAX_FRAG_LEN                                    \
+            "    max_frag_len=%%d     default: 16384 (tls default)\n" \
+            "                        options: 512, 1024, 2048, 4096\n"
+#    else
+#        define USAGE_MAX_FRAG_LEN ""
+#    endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(MBEDTLS_SSL_ALPN)
-#define USAGE_ALPN \
-    "    alpn=%%s             default: \"\" (disabled)\n"   \
-    "                        example: spdy/1,http/1.1\n"
-#else
-#define USAGE_ALPN ""
-#endif /* MBEDTLS_SSL_ALPN */
+#    if defined(MBEDTLS_SSL_ALPN)
+#        define USAGE_ALPN                                        \
+            "    alpn=%%s             default: \"\" (disabled)\n" \
+            "                        example: spdy/1,http/1.1\n"
+#    else
+#        define USAGE_ALPN ""
+#    endif /* MBEDTLS_SSL_ALPN */
 
-#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-#define USAGE_COOKIES \
-    "    cookies=0/1/-1      default: 1 (enabled)\n"        \
-    "                        0: disabled, -1: library default (broken)\n"
-#else
-#define USAGE_COOKIES ""
-#endif
+#    if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+#        define USAGE_COOKIES                                \
+            "    cookies=0/1/-1      default: 1 (enabled)\n" \
+            "                        0: disabled, -1: library default (broken)\n"
+#    else
+#        define USAGE_COOKIES ""
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
-#define USAGE_ANTI_REPLAY \
-    "    anti_replay=0/1     default: (library default: enabled)\n"
-#else
-#define USAGE_ANTI_REPLAY ""
-#endif
+#    if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
+#        define USAGE_ANTI_REPLAY \
+            "    anti_replay=0/1     default: (library default: enabled)\n"
+#    else
+#        define USAGE_ANTI_REPLAY ""
+#    endif
 
-#define USAGE_BADMAC_LIMIT \
-    "    badmac_limit=%%d     default: (library default: disabled)\n"
+#    define USAGE_BADMAC_LIMIT \
+        "    badmac_limit=%%d     default: (library default: disabled)\n"
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-#define USAGE_DTLS \
-    "    dtls=%%d             default: 0 (TLS)\n"                           \
-    "    hs_timeout=%%d-%%d    default: (library default: 1000-60000)\n"    \
-    "                        range of DTLS handshake timeouts in millisecs\n" \
-    "    mtu=%%d              default: (library default: unlimited)\n"  \
-    "    dgram_packing=%%d    default: 1 (allowed)\n"                   \
-    "                        allow or forbid packing of multiple\n" \
-    "                        records within a single datgram.\n"
-#else
-#define USAGE_DTLS ""
-#endif
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+#        define USAGE_DTLS                                                            \
+            "    dtls=%%d             default: 0 (TLS)\n"                             \
+            "    hs_timeout=%%d-%%d    default: (library default: 1000-60000)\n"      \
+            "                        range of DTLS handshake timeouts in millisecs\n" \
+            "    mtu=%%d              default: (library default: unlimited)\n"        \
+            "    dgram_packing=%%d    default: 1 (allowed)\n"                         \
+            "                        allow or forbid packing of multiple\n"           \
+            "                        records within a single datgram.\n"
+#    else
+#        define USAGE_DTLS ""
+#    endif
 
-#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-#define USAGE_EMS \
-    "    extended_ms=0/1     default: (library default: on)\n"
-#else
-#define USAGE_EMS ""
-#endif
+#    if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+#        define USAGE_EMS \
+            "    extended_ms=0/1     default: (library default: on)\n"
+#    else
+#        define USAGE_EMS ""
+#    endif
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-#define USAGE_ETM \
-    "    etm=0/1             default: (library default: on)\n"
-#else
-#define USAGE_ETM ""
-#endif
+#    if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+#        define USAGE_ETM \
+            "    etm=0/1             default: (library default: on)\n"
+#    else
+#        define USAGE_ETM ""
+#    endif
 
-#define USAGE_REPRODUCIBLE \
-    "    reproducible=0/1     default: 0 (disabled)\n"
+#    define USAGE_REPRODUCIBLE \
+        "    reproducible=0/1     default: 0 (disabled)\n"
 
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-#define USAGE_RENEGO \
-    "    renegotiation=%%d    default: 0 (disabled)\n"      \
-    "    renegotiate=%%d      default: 0 (disabled)\n"      \
-    "    renego_delay=%%d     default: -2 (library default)\n" \
-    "    renego_period=%%d    default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\n"
-#else
-#define USAGE_RENEGO ""
-#endif
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+#        define USAGE_RENEGO                                           \
+            "    renegotiation=%%d    default: 0 (disabled)\n"         \
+            "    renegotiate=%%d      default: 0 (disabled)\n"         \
+            "    renego_delay=%%d     default: -2 (library default)\n" \
+            "    renego_period=%%d    default: (2^64 - 1 for TLS, 2^48 - 1 for DTLS)\n"
+#    else
+#        define USAGE_RENEGO ""
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-#define USAGE_ECJPAKE \
-    "    ecjpake_pw=%%s       default: none (disabled)\n"
-#else
-#define USAGE_ECJPAKE ""
-#endif
+#    if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+#        define USAGE_ECJPAKE \
+            "    ecjpake_pw=%%s       default: none (disabled)\n"
+#    else
+#        define USAGE_ECJPAKE ""
+#    endif
 
-#if defined(MBEDTLS_ECP_C)
-#define USAGE_CURVES \
-    "    curves=a,b,c,d      default: \"default\" (library default)\n"  \
-    "                        example: \"secp521r1,brainpoolP512r1\"\n"  \
-    "                        - use \"none\" for empty list\n"           \
-    "                        - see mbedtls_ecp_curve_list()\n"          \
-    "                          for acceptable curve names\n"
-#else
-#define USAGE_CURVES ""
-#endif
+#    if defined(MBEDTLS_ECP_C)
+#        define USAGE_CURVES                                                   \
+            "    curves=a,b,c,d      default: \"default\" (library default)\n" \
+            "                        example: \"secp521r1,brainpoolP512r1\"\n" \
+            "                        - use \"none\" for empty list\n"          \
+            "                        - see mbedtls_ecp_curve_list()\n"         \
+            "                          for acceptable curve names\n"
+#    else
+#        define USAGE_CURVES ""
+#    endif
 
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-#define USAGE_SERIALIZATION \
-    "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"     \
-    "                        options: 1 (serialize)\n"                         \
-    "                                 2 (serialize with re-initialization)\n"  \
-    "    context_file=%%s     The file path to write a serialized connection\n"\
-    "                        in the form of base64 code (serialize option\n"   \
-    "                        must be set)\n"                                   \
-    "                         default: \"\" (do nothing)\n"                    \
-    "                         option: a file path\n"
-#else
-#define USAGE_SERIALIZATION ""
-#endif
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#        define USAGE_SERIALIZATION                                                     \
+            "    serialize=%%d        default: 0 (do not serialize/deserialize)\n"      \
+            "                        options: 1 (serialize)\n"                          \
+            "                                 2 (serialize with re-initialization)\n"   \
+            "    context_file=%%s     The file path to write a serialized connection\n" \
+            "                        in the form of base64 code (serialize option\n"    \
+            "                        must be set)\n"                                    \
+            "                         default: \"\" (do nothing)\n"                     \
+            "                         option: a file path\n"
+#    else
+#        define USAGE_SERIALIZATION ""
+#    endif
 
 /* USAGE is arbitrarily split to stay under the portable string literal
  * length limit: 4095 bytes in C99. */
-#define USAGE1 \
-    "\n usage: ssl_server2 param=<>...\n"                   \
-    "\n acceptable parameters:\n"                           \
-    "    server_addr=%%s      default: (all interfaces)\n"  \
-    "    server_port=%%d      default: 4433\n"              \
-    "    debug_level=%%d      default: 0 (disabled)\n"      \
-    "    buffer_size=%%d      default: 200 \n" \
-    "                         (minimum: 1)\n" \
-    "    response_size=%%d    default: about 152 (basic response)\n" \
-    "                          (minimum: 0, max: 16384)\n" \
-    "                          increases buffer_size if bigger\n"\
-    "    nbio=%%d             default: 0 (blocking I/O)\n"  \
-    "                        options: 1 (non-blocking), 2 (added delays)\n" \
-    "    event=%%d            default: 0 (loop)\n"                            \
-    "                        options: 1 (level-triggered, implies nbio=1),\n" \
-    "    read_timeout=%%d     default: 0 ms (no timeout)\n"    \
-    "\n"                                                    \
-    USAGE_DTLS                                              \
-    USAGE_SRTP                                              \
-    USAGE_COOKIES                                           \
-    USAGE_ANTI_REPLAY                                       \
-    USAGE_BADMAC_LIMIT                                      \
-    "\n"
-#define USAGE2 \
-    "    auth_mode=%%s        default: (library default: none)\n"      \
-    "                        options: none, optional, required\n" \
-    "    cert_req_ca_list=%%d default: 1 (send ca list)\n"  \
-    "                        options: 1 (send ca list), 0 (don't send)\n" \
-    USAGE_IO                                                \
-    "\n"                                                    \
-    USAGE_PSK                                               \
-    USAGE_CA_CALLBACK                                       \
-    USAGE_ECJPAKE                                           \
-    "\n"
-#define USAGE3 \
-    "    allow_legacy=%%d     default: (library default: no)\n"      \
-    USAGE_RENEGO                                            \
-    "    exchanges=%%d        default: 1\n"                 \
-    "\n"                                                    \
-    USAGE_TICKETS                                           \
-    USAGE_EAP_TLS                                           \
-    USAGE_REPRODUCIBLE                                      \
-    USAGE_NSS_KEYLOG                                        \
-    USAGE_NSS_KEYLOG_FILE                                   \
-    USAGE_CACHE                                             \
-    USAGE_MAX_FRAG_LEN                                      \
-    USAGE_ALPN                                              \
-    USAGE_EMS                                               \
-    USAGE_ETM                                               \
-    USAGE_CURVES                                            \
-    "\n"
-#define USAGE4 \
-    USAGE_SSL_ASYNC                                         \
-    USAGE_SNI                                               \
-    "    allow_sha1=%%d       default: 0\n"                             \
-    "    min_version=%%s      default: (library default: tls1_2)\n"       \
-    "    max_version=%%s      default: (library default: tls1_2)\n"     \
-    "    force_version=%%s    default: \"\" (none)\n"       \
-    "                        options: tls1_2, dtls1_2\n" \
-    "\n"                                                                \
-    "    force_ciphersuite=<name>    default: all enabled\n"            \
-    "    query_config=<name>         return 0 if the specified\n"       \
-    "                                configuration macro is defined and 1\n"  \
-    "                                otherwise. The expansion of the macro\n" \
-    "                                is printed if it is defined\n"     \
-    USAGE_SERIALIZATION                                     \
-    " acceptable ciphersuite names:\n"
+#    define USAGE1                                                                \
+        "\n usage: ssl_server2 param=<>...\n"                                     \
+        "\n acceptable parameters:\n"                                             \
+        "    server_addr=%%s      default: (all interfaces)\n"                    \
+        "    server_port=%%d      default: 4433\n"                                \
+        "    debug_level=%%d      default: 0 (disabled)\n"                        \
+        "    buffer_size=%%d      default: 200 \n"                                \
+        "                         (minimum: 1)\n"                                 \
+        "    response_size=%%d    default: about 152 (basic response)\n"          \
+        "                          (minimum: 0, max: 16384)\n"                    \
+        "                          increases buffer_size if bigger\n"             \
+        "    nbio=%%d             default: 0 (blocking I/O)\n"                    \
+        "                        options: 1 (non-blocking), 2 (added delays)\n"   \
+        "    event=%%d            default: 0 (loop)\n"                            \
+        "                        options: 1 (level-triggered, implies nbio=1),\n" \
+        "    read_timeout=%%d     default: 0 ms (no timeout)\n"                   \
+        "\n" USAGE_DTLS USAGE_SRTP USAGE_COOKIES USAGE_ANTI_REPLAY                \
+            USAGE_BADMAC_LIMIT "\n"
+#    define USAGE2                                                                     \
+        "    auth_mode=%%s        default: (library default: none)\n"                  \
+        "                        options: none, optional, required\n"                  \
+        "    cert_req_ca_list=%%d default: 1 (send ca list)\n"                         \
+        "                        options: 1 (send ca list), 0 (don't send)\n" USAGE_IO \
+        "\n" USAGE_PSK USAGE_CA_CALLBACK USAGE_ECJPAKE "\n"
+#    define USAGE3                                                               \
+        "    allow_legacy=%%d     default: (library default: no)\n" USAGE_RENEGO \
+        "    exchanges=%%d        default: 1\n"                                  \
+        "\n" USAGE_TICKETS USAGE_EAP_TLS USAGE_REPRODUCIBLE USAGE_NSS_KEYLOG     \
+            USAGE_NSS_KEYLOG_FILE USAGE_CACHE USAGE_MAX_FRAG_LEN USAGE_ALPN      \
+                USAGE_EMS USAGE_ETM USAGE_CURVES "\n"
+#    define USAGE4                                                                          \
+        USAGE_SSL_ASYNC                                                                     \
+        USAGE_SNI                                                                           \
+        "    allow_sha1=%%d       default: 0\n"                                             \
+        "    min_version=%%s      default: (library default: tls1_2)\n"                     \
+        "    max_version=%%s      default: (library default: tls1_2)\n"                     \
+        "    force_version=%%s    default: \"\" (none)\n"                                   \
+        "                        options: tls1_2, dtls1_2\n"                                \
+        "\n"                                                                                \
+        "    force_ciphersuite=<name>    default: all enabled\n"                            \
+        "    query_config=<name>         return 0 if the specified\n"                       \
+        "                                configuration macro is defined and 1\n"            \
+        "                                otherwise. The expansion of the macro\n"           \
+        "                                is printed if it is defined\n" USAGE_SERIALIZATION \
+        " acceptable ciphersuite names:\n"
 
-#define ALPN_LIST_SIZE  10
-#define CURVE_LIST_SIZE 20
+#    define ALPN_LIST_SIZE  10
+#    define CURVE_LIST_SIZE 20
 
-#define PUT_UINT64_BE(out_be,in_le,i)                                   \
-{                                                                       \
-    (out_be)[(i) + 0] = (unsigned char)( ( (in_le) >> 56 ) & 0xFF );    \
-    (out_be)[(i) + 1] = (unsigned char)( ( (in_le) >> 48 ) & 0xFF );    \
-    (out_be)[(i) + 2] = (unsigned char)( ( (in_le) >> 40 ) & 0xFF );    \
-    (out_be)[(i) + 3] = (unsigned char)( ( (in_le) >> 32 ) & 0xFF );    \
-    (out_be)[(i) + 4] = (unsigned char)( ( (in_le) >> 24 ) & 0xFF );    \
-    (out_be)[(i) + 5] = (unsigned char)( ( (in_le) >> 16 ) & 0xFF );    \
-    (out_be)[(i) + 6] = (unsigned char)( ( (in_le) >> 8  ) & 0xFF );    \
-    (out_be)[(i) + 7] = (unsigned char)( ( (in_le) >> 0  ) & 0xFF );    \
-}
+#    define PUT_UINT64_BE(out_be, in_le, i)                              \
+        {                                                                \
+            (out_be)[(i) + 0] = (unsigned char)(((in_le) >> 56) & 0xFF); \
+            (out_be)[(i) + 1] = (unsigned char)(((in_le) >> 48) & 0xFF); \
+            (out_be)[(i) + 2] = (unsigned char)(((in_le) >> 40) & 0xFF); \
+            (out_be)[(i) + 3] = (unsigned char)(((in_le) >> 32) & 0xFF); \
+            (out_be)[(i) + 4] = (unsigned char)(((in_le) >> 24) & 0xFF); \
+            (out_be)[(i) + 5] = (unsigned char)(((in_le) >> 16) & 0xFF); \
+            (out_be)[(i) + 6] = (unsigned char)(((in_le) >> 8) & 0xFF);  \
+            (out_be)[(i) + 7] = (unsigned char)(((in_le) >> 0) & 0xFF);  \
+        }
 
 /* This is global so it can be easily accessed by callback functions */
 rng_context_t rng;
@@ -523,154 +501,153 @@
 /*
  * global options
  */
-struct options
-{
-    const char *server_addr;    /* address on which the ssl service runs    */
-    const char *server_port;    /* port on which the ssl service runs       */
-    int debug_level;            /* level of debugging                       */
-    int nbio;                   /* should I/O be blocking?                  */
-    int event;                  /* loop or event-driven IO? level or edge triggered? */
-    uint32_t read_timeout;      /* timeout on mbedtls_ssl_read() in milliseconds    */
-    int response_size;          /* pad response with header to requested size */
-    uint16_t buffer_size;       /* IO buffer size */
-    const char *ca_file;        /* the file with the CA certificate(s)      */
-    const char *ca_path;        /* the path with the CA certificate(s) reside */
-    const char *crt_file;       /* the file with the server certificate     */
-    const char *key_file;       /* the file with the server key             */
-    const char *key_pwd;        /* the password for the server key          */
-    const char *crt_file2;      /* the file with the 2nd server certificate */
-    const char *key_file2;      /* the file with the 2nd server key         */
-    const char *key_pwd2;       /* the password for the 2nd server key      */
+struct options {
+    const char *server_addr; /* address on which the ssl service runs    */
+    const char *server_port; /* port on which the ssl service runs       */
+    int debug_level; /* level of debugging                       */
+    int nbio; /* should I/O be blocking?                  */
+    int event; /* loop or event-driven IO? level or edge triggered? */
+    uint32_t read_timeout; /* timeout on mbedtls_ssl_read() in milliseconds */
+    int response_size; /* pad response with header to requested size */
+    uint16_t buffer_size; /* IO buffer size */
+    const char *ca_file; /* the file with the CA certificate(s)      */
+    const char *ca_path; /* the path with the CA certificate(s) reside */
+    const char *crt_file; /* the file with the server certificate     */
+    const char *key_file; /* the file with the server key             */
+    const char *key_pwd; /* the password for the server key          */
+    const char *crt_file2; /* the file with the 2nd server certificate */
+    const char *key_file2; /* the file with the 2nd server key         */
+    const char *key_pwd2; /* the password for the 2nd server key      */
     const char *async_operations; /* supported SSL asynchronous operations  */
-    int async_private_delay1;   /* number of times f_async_resume needs to be called for key 1, or -1 for no async */
-    int async_private_delay2;   /* number of times f_async_resume needs to be called for key 2, or -1 for no async */
-    int async_private_error;    /* inject error in async private callback */
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    int async_private_delay1; /* number of times f_async_resume needs to be
+                                 called for key 1, or -1 for no async */
+    int async_private_delay2; /* number of times f_async_resume needs to be
+                                 called for key 2, or -1 for no async */
+    int async_private_error; /* inject error in async private callback */
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     int psk_opaque;
     int psk_list_opaque;
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-    int ca_callback;            /* Use callback for trusted certificate list */
-#endif
-    const char *psk;            /* the pre-shared key                       */
-    const char *psk_identity;   /* the pre-shared key identity              */
-    char *psk_list;             /* list of PSK id/key pairs for callback    */
-    const char *ecjpake_pw;     /* the EC J-PAKE password                   */
-    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
-    int renegotiation;          /* enable / disable renegotiation           */
-    int allow_legacy;           /* allow legacy renegotiation               */
-    int renegotiate;            /* attempt renegotiation?                   */
-    int renego_delay;           /* delay before enforcing renegotiation     */
-    uint64_t renego_period;     /* period for automatic renegotiation       */
-    int exchanges;              /* number of data exchanges                 */
-    int min_version;            /* minimum protocol version accepted        */
-    int max_version;            /* maximum protocol version accepted        */
-    int allow_sha1;             /* flag for SHA-1 support                   */
-    int auth_mode;              /* verify mode for connection               */
-    int cert_req_ca_list;       /* should we send the CA list?              */
-    unsigned char mfl_code;     /* code for maximum fragment length         */
-    int trunc_hmac;             /* accept truncated hmac?                   */
-    int tickets;                /* enable / disable session tickets         */
-    int ticket_timeout;         /* session ticket lifetime                  */
-    int cache_max;              /* max number of session cache entries      */
-    int cache_timeout;          /* expiration delay of session cache entries */
-    char *sni;                  /* string describing sni information        */
-    const char *curves;         /* list of supported elliptic curves        */
-    const char *alpn_string;    /* ALPN supported protocols                 */
-    const char *dhm_file;       /* the file with the DH parameters          */
-    int extended_ms;            /* allow negotiation of extended MS?        */
-    int etm;                    /* allow negotiation of encrypt-then-MAC?   */
-    int transport;              /* TLS or DTLS?                             */
-    int cookies;                /* Use cookies for DTLS? -1 to break them   */
-    int anti_replay;            /* Use anti-replay for DTLS? -1 for default */
-    uint32_t hs_to_min;         /* Initial value of DTLS handshake timer    */
-    uint32_t hs_to_max;         /* Max value of DTLS handshake timer        */
-    int dtls_mtu;               /* UDP Maximum tranport unit for DTLS       */
-    int dgram_packing;          /* allow/forbid datagram packing            */
-    int badmac_limit;           /* Limit of records with bad MAC            */
-    int eap_tls;                /* derive EAP-TLS keying material?          */
-    int nss_keylog;             /* export NSS key log material              */
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    int ca_callback; /* Use callback for trusted certificate list */
+#    endif
+    const char *psk; /* the pre-shared key                       */
+    const char *psk_identity; /* the pre-shared key identity              */
+    char *psk_list; /* list of PSK id/key pairs for callback    */
+    const char *ecjpake_pw; /* the EC J-PAKE password                   */
+    int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all      */
+    int renegotiation; /* enable / disable renegotiation           */
+    int allow_legacy; /* allow legacy renegotiation               */
+    int renegotiate; /* attempt renegotiation?                   */
+    int renego_delay; /* delay before enforcing renegotiation     */
+    uint64_t renego_period; /* period for automatic renegotiation       */
+    int exchanges; /* number of data exchanges                 */
+    int min_version; /* minimum protocol version accepted        */
+    int max_version; /* maximum protocol version accepted        */
+    int allow_sha1; /* flag for SHA-1 support                   */
+    int auth_mode; /* verify mode for connection               */
+    int cert_req_ca_list; /* should we send the CA list?              */
+    unsigned char mfl_code; /* code for maximum fragment length         */
+    int trunc_hmac; /* accept truncated hmac?                   */
+    int tickets; /* enable / disable session tickets         */
+    int ticket_timeout; /* session ticket lifetime                  */
+    int cache_max; /* max number of session cache entries      */
+    int cache_timeout; /* expiration delay of session cache entries */
+    char *sni; /* string describing sni information        */
+    const char *curves; /* list of supported elliptic curves        */
+    const char *alpn_string; /* ALPN supported protocols                 */
+    const char *dhm_file; /* the file with the DH parameters          */
+    int extended_ms; /* allow negotiation of extended MS?        */
+    int etm; /* allow negotiation of encrypt-then-MAC?   */
+    int transport; /* TLS or DTLS?                             */
+    int cookies; /* Use cookies for DTLS? -1 to break them   */
+    int anti_replay; /* Use anti-replay for DTLS? -1 for default */
+    uint32_t hs_to_min; /* Initial value of DTLS handshake timer    */
+    uint32_t hs_to_max; /* Max value of DTLS handshake timer        */
+    int dtls_mtu; /* UDP Maximum tranport unit for DTLS       */
+    int dgram_packing; /* allow/forbid datagram packing            */
+    int badmac_limit; /* Limit of records with bad MAC            */
+    int eap_tls; /* derive EAP-TLS keying material?          */
+    int nss_keylog; /* export NSS key log material              */
     const char *nss_keylog_file; /* NSS key log file                        */
-    int cid_enabled;            /* whether to use the CID extension or not  */
-    int cid_enabled_renego;     /* whether to use the CID extension or not
-                                 * during renegotiation                     */
-    const char *cid_val;        /* the CID to use for incoming messages     */
-    int serialize;              /* serialize/deserialize connection         */
-    const char *context_file;   /* the file to write a serialized connection
-                                 * in the form of base64 code (serialize
-                                 * option must be set)                      */
+    int cid_enabled; /* whether to use the CID extension or not  */
+    int cid_enabled_renego; /* whether to use the CID extension or not
+                             * during renegotiation                     */
+    const char *cid_val; /* the CID to use for incoming messages     */
+    int serialize; /* serialize/deserialize connection         */
+    const char *context_file; /* the file to write a serialized connection
+                               * in the form of base64 code (serialize
+                               * option must be set)                      */
     const char *cid_val_renego; /* the CID to use for incoming messages
                                  * after renegotiation                      */
-    int reproducible;           /* make communication reproducible          */
-    int query_config_mode;      /* whether to read config                   */
-    int use_srtp;               /* Support SRTP                             */
-    int force_srtp_profile;     /* SRTP protection profile to use or all    */
-    int support_mki;            /* The dtls mki mki support                 */
+    int reproducible; /* make communication reproducible          */
+    int query_config_mode; /* whether to read config                   */
+    int use_srtp; /* Support SRTP                             */
+    int force_srtp_profile; /* SRTP protection profile to use or all    */
+    int support_mki; /* The dtls mki mki support                 */
 } opt;
 
-#include "ssl_test_common_source.c"
+#    include "ssl_test_common_source.c"
 
 /*
  * Return authmode from string, or -1 on error
  */
-static int get_auth_mode( const char *s )
+static int get_auth_mode(const char *s)
 {
-    if( strcmp( s, "none" ) == 0 )
-        return MBEDTLS_SSL_VERIFY_NONE ;
-    if( strcmp( s, "optional" ) == 0 )
-        return MBEDTLS_SSL_VERIFY_OPTIONAL ;
-    if( strcmp( s, "required" ) == 0 )
-        return MBEDTLS_SSL_VERIFY_REQUIRED ;
+    if (strcmp(s, "none") == 0)
+        return MBEDTLS_SSL_VERIFY_NONE;
+    if (strcmp(s, "optional") == 0)
+        return MBEDTLS_SSL_VERIFY_OPTIONAL;
+    if (strcmp(s, "required") == 0)
+        return MBEDTLS_SSL_VERIFY_REQUIRED;
 
-    return -1 ;
+    return -1;
 }
 
 /*
  * Used by sni_parse and psk_parse to handle coma-separated lists
  */
-#define GET_ITEM( dst )         \
-    do                          \
-    {                           \
-        (dst) = p;              \
-        while( *p != ',' )      \
-            if( ++p > end )     \
-                goto error;     \
-        *p++ = '\0';            \
-    } while( 0 )
+#    define GET_ITEM(dst)       \
+        do {                    \
+            (dst) = p;          \
+            while (*p != ',')   \
+                if (++p > end)  \
+                    goto error; \
+            *p++ = '\0';        \
+        } while (0)
 
-#if defined(SNI_OPTION)
+#    if defined(SNI_OPTION)
 typedef struct _sni_entry sni_entry;
 
 struct _sni_entry {
     const char *name;
     mbedtls_x509_crt *cert;
     mbedtls_pk_context *key;
-    mbedtls_x509_crt* ca;
-    mbedtls_x509_crl* crl;
+    mbedtls_x509_crt *ca;
+    mbedtls_x509_crl *crl;
     int authmode;
     sni_entry *next;
 };
 
-void sni_free( sni_entry *head )
+void sni_free(sni_entry *head)
 {
     sni_entry *cur = head, *next;
 
-    while( cur != NULL )
-    {
-        mbedtls_x509_crt_free( cur->cert );
-        mbedtls_free( cur->cert );
+    while (cur != NULL) {
+        mbedtls_x509_crt_free(cur->cert);
+        mbedtls_free(cur->cert);
 
-        mbedtls_pk_free( cur->key );
-        mbedtls_free( cur->key );
+        mbedtls_pk_free(cur->key);
+        mbedtls_free(cur->key);
 
-        mbedtls_x509_crt_free( cur->ca );
-        mbedtls_free( cur->ca );
-#if defined(MBEDTLS_X509_CRL_PARSE_C)
-        mbedtls_x509_crl_free( cur->crl );
-        mbedtls_free( cur->crl );
-#endif
+        mbedtls_x509_crt_free(cur->ca);
+        mbedtls_free(cur->ca);
+#        if defined(MBEDTLS_X509_CRL_PARSE_C)
+        mbedtls_x509_crl_free(cur->crl);
+        mbedtls_free(cur->crl);
+#        endif
         next = cur->next;
-        mbedtls_free( cur );
+        mbedtls_free(cur);
         cur = next;
     }
 }
@@ -682,164 +659,157 @@
  *
  * Modifies the input string! This is not production quality!
  */
-sni_entry *sni_parse( char *sni_string )
+sni_entry *sni_parse(char *sni_string)
 {
     sni_entry *cur = NULL, *new = NULL;
     char *p = sni_string;
     char *end = p;
     char *crt_file, *key_file, *ca_file, *auth_str;
-#if defined(MBEDTLS_X509_CRL_PARSE_C)
+#        if defined(MBEDTLS_X509_CRL_PARSE_C)
     char *crl_file;
-#endif
+#        endif
 
-    while( *end != '\0' )
+    while (*end != '\0')
         ++end;
     *end = ',';
 
-    while( p <= end )
-    {
-        if( ( new = mbedtls_calloc( 1, sizeof( sni_entry ) ) ) == NULL )
-        {
-            sni_free( cur );
-            return NULL ;
+    while (p <= end) {
+        if ((new = mbedtls_calloc(1, sizeof(sni_entry))) == NULL) {
+            sni_free(cur);
+            return NULL;
         }
 
-        GET_ITEM( new->name );
-        GET_ITEM( crt_file );
-        GET_ITEM( key_file );
-        GET_ITEM( ca_file );
-#if defined(MBEDTLS_X509_CRL_PARSE_C)
-        GET_ITEM( crl_file );
-#endif
-        GET_ITEM( auth_str );
+        GET_ITEM(new->name);
+        GET_ITEM(crt_file);
+        GET_ITEM(key_file);
+        GET_ITEM(ca_file);
+#        if defined(MBEDTLS_X509_CRL_PARSE_C)
+        GET_ITEM(crl_file);
+#        endif
+        GET_ITEM(auth_str);
 
-        if( ( new->cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL ||
-            ( new->key = mbedtls_calloc( 1, sizeof( mbedtls_pk_context ) ) ) == NULL )
+        if ((new->cert = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL ||
+            (new->key = mbedtls_calloc(1, sizeof(mbedtls_pk_context))) == NULL)
             goto error;
 
-        mbedtls_x509_crt_init( new->cert );
-        mbedtls_pk_init( new->key );
+        mbedtls_x509_crt_init(new->cert);
+        mbedtls_pk_init(new->key);
 
-        if( mbedtls_x509_crt_parse_file( new->cert, crt_file ) != 0 ||
-            mbedtls_pk_parse_keyfile( new->key, key_file, "", rng_get, &rng ) != 0 )
+        if (mbedtls_x509_crt_parse_file(new->cert, crt_file) != 0 ||
+            mbedtls_pk_parse_keyfile(new->key, key_file, "", rng_get, &rng) !=
+                0)
             goto error;
 
-        if( strcmp( ca_file, "-" ) != 0 )
-        {
-            if( ( new->ca = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ) ) == NULL )
+        if (strcmp(ca_file, "-") != 0) {
+            if ((new->ca = mbedtls_calloc(1, sizeof(mbedtls_x509_crt))) == NULL)
                 goto error;
 
-            mbedtls_x509_crt_init( new->ca );
+            mbedtls_x509_crt_init(new->ca);
 
-            if( mbedtls_x509_crt_parse_file( new->ca, ca_file ) != 0 )
+            if (mbedtls_x509_crt_parse_file(new->ca, ca_file) != 0)
                 goto error;
         }
 
-#if defined(MBEDTLS_X509_CRL_PARSE_C)
-        if( strcmp( crl_file, "-" ) != 0 )
-        {
-            if( ( new->crl = mbedtls_calloc( 1, sizeof( mbedtls_x509_crl ) ) ) == NULL )
+#        if defined(MBEDTLS_X509_CRL_PARSE_C)
+        if (strcmp(crl_file, "-") != 0) {
+            if ((new->crl = mbedtls_calloc(1, sizeof(mbedtls_x509_crl))) ==
+                NULL)
                 goto error;
 
-            mbedtls_x509_crl_init( new->crl );
+            mbedtls_x509_crl_init(new->crl);
 
-            if( mbedtls_x509_crl_parse_file( new->crl, crl_file ) != 0 )
+            if (mbedtls_x509_crl_parse_file(new->crl, crl_file) != 0)
                 goto error;
         }
-#endif
+#        endif
 
-        if( strcmp( auth_str, "-" ) != 0 )
-        {
-            if( ( new->authmode = get_auth_mode( auth_str ) ) < 0 )
+        if (strcmp(auth_str, "-") != 0) {
+            if ((new->authmode = get_auth_mode(auth_str)) < 0)
                 goto error;
-        }
-        else
+        } else
             new->authmode = DFL_AUTH_MODE;
 
         new->next = cur;
         cur = new;
     }
 
-    return cur ;
+    return cur;
 
 error:
-    sni_free( new );
-    sni_free( cur );
-    return NULL ;
+    sni_free(new);
+    sni_free(cur);
+    return NULL;
 }
 
 /*
  * SNI callback.
  */
-int sni_callback( void *p_info, mbedtls_ssl_context *ssl,
-                  const unsigned char *name, size_t name_len )
+int sni_callback(void *p_info,
+                 mbedtls_ssl_context *ssl,
+                 const unsigned char *name,
+                 size_t name_len)
 {
-    const sni_entry *cur = (const sni_entry *) p_info;
+    const sni_entry *cur = (const sni_entry *)p_info;
 
-    while( cur != NULL )
-    {
-        if( name_len == strlen( cur->name ) &&
-            memcmp( name, cur->name, name_len ) == 0 )
-        {
-            if( cur->ca != NULL )
-                mbedtls_ssl_set_hs_ca_chain( ssl, cur->ca, cur->crl );
+    while (cur != NULL) {
+        if (name_len == strlen(cur->name) &&
+            memcmp(name, cur->name, name_len) == 0) {
+            if (cur->ca != NULL)
+                mbedtls_ssl_set_hs_ca_chain(ssl, cur->ca, cur->crl);
 
-            if( cur->authmode != DFL_AUTH_MODE )
-                mbedtls_ssl_set_hs_authmode( ssl, cur->authmode );
+            if (cur->authmode != DFL_AUTH_MODE)
+                mbedtls_ssl_set_hs_authmode(ssl, cur->authmode);
 
-            return mbedtls_ssl_set_hs_own_cert( ssl, cur->cert, cur->key ) ;
+            return mbedtls_ssl_set_hs_own_cert(ssl, cur->cert, cur->key);
         }
 
         cur = cur->next;
     }
 
-    return -1 ;
+    return -1;
 }
 
-#endif /* SNI_OPTION */
+#    endif /* SNI_OPTION */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 
 typedef struct _psk_entry psk_entry;
 
-struct _psk_entry
-{
+struct _psk_entry {
     const char *name;
     size_t key_len;
     unsigned char key[MBEDTLS_PSK_MAX_LEN];
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_key_id_t slot;
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
     psk_entry *next;
 };
 
 /*
  * Free a list of psk_entry's
  */
-int psk_free( psk_entry *head )
+int psk_free(psk_entry *head)
 {
     psk_entry *next;
 
-    while( head != NULL )
-    {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    while (head != NULL) {
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
         psa_status_t status;
         psa_key_id_t const slot = head->slot;
 
-        if( slot != 0 )
-        {
-            status = psa_destroy_key( slot );
-            if( status != PSA_SUCCESS )
-                return status ;
+        if (slot != 0) {
+            status = psa_destroy_key(slot);
+            if (status != PSA_SUCCESS)
+                return status;
         }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
 
         next = head->next;
-        mbedtls_free( head );
+        mbedtls_free(head);
         head = next;
     }
 
-    return 0 ;
+    return 0;
 }
 
 /*
@@ -848,84 +818,83 @@
  *
  * Modifies the input string! This is not production quality!
  */
-psk_entry *psk_parse( char *psk_string )
+psk_entry *psk_parse(char *psk_string)
 {
     psk_entry *cur = NULL, *new = NULL;
     char *p = psk_string;
     char *end = p;
     char *key_hex;
 
-    while( *end != '\0' )
+    while (*end != '\0')
         ++end;
     *end = ',';
 
-    while( p <= end )
-    {
-        if( ( new = mbedtls_calloc( 1, sizeof( psk_entry ) ) ) == NULL )
+    while (p <= end) {
+        if ((new = mbedtls_calloc(1, sizeof(psk_entry))) == NULL)
             goto error;
 
-        memset( new, 0, sizeof( psk_entry ) );
+        memset(new, 0, sizeof(psk_entry));
 
-        GET_ITEM( new->name );
-        GET_ITEM( key_hex );
+        GET_ITEM(new->name);
+        GET_ITEM(key_hex);
 
-        if( mbedtls_test_unhexify( new->key, MBEDTLS_PSK_MAX_LEN,
-                                   key_hex, &new->key_len ) != 0 )
+        if (mbedtls_test_unhexify(new->key, MBEDTLS_PSK_MAX_LEN, key_hex,
+                                  &new->key_len) != 0)
             goto error;
 
         new->next = cur;
         cur = new;
     }
 
-    return cur ;
+    return cur;
 
 error:
-    psk_free( new );
-    psk_free( cur );
-    return 0 ;
+    psk_free(new);
+    psk_free(cur);
+    return 0;
 }
 
 /*
  * PSK callback
  */
-int psk_callback( void *p_info, mbedtls_ssl_context *ssl,
-                  const unsigned char *name, size_t name_len )
+int psk_callback(void *p_info,
+                 mbedtls_ssl_context *ssl,
+                 const unsigned char *name,
+                 size_t name_len)
 {
-    psk_entry *cur = (psk_entry *) p_info;
+    psk_entry *cur = (psk_entry *)p_info;
 
-    while( cur != NULL )
-    {
-        if( name_len == strlen( cur->name ) &&
-            memcmp( name, cur->name, name_len ) == 0 )
-        {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-            if( cur->slot != 0 )
-                return mbedtls_ssl_set_hs_psk_opaque( ssl, cur->slot ) ;
+    while (cur != NULL) {
+        if (name_len == strlen(cur->name) &&
+            memcmp(name, cur->name, name_len) == 0) {
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+            if (cur->slot != 0)
+                return mbedtls_ssl_set_hs_psk_opaque(ssl, cur->slot);
             else
-#endif
-            return mbedtls_ssl_set_hs_psk( ssl, cur->key, cur->key_len ) ;
+#        endif
+                return mbedtls_ssl_set_hs_psk(ssl, cur->key, cur->key_len);
         }
 
         cur = cur->next;
     }
 
-    return -1 ;
+    return -1;
 }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
 static mbedtls_net_context listen_fd, client_fd;
 
 /* Interruption handler to ensure clean exit (for valgrind testing) */
-#if !defined(_WIN32)
+#    if !defined(_WIN32)
 static int received_sigterm = 0;
-void term_handler( int sig )
+void term_handler(int sig)
 {
-    ((void) sig);
+    ((void)sig);
     received_sigterm = 1;
-    mbedtls_net_free( &listen_fd ); /* causes mbedtls_net_accept() to abort */
-    mbedtls_net_free( &client_fd ); /* causes net_read() to abort */
+    mbedtls_net_free(&listen_fd); /* causes mbedtls_net_accept() to abort */
+    mbedtls_net_free(&client_fd); /* causes net_read() to abort */
 }
-#endif
+#    endif
 
 /** Return true if \p ret is a status code indicating that there is an
  * operation in progress on an SSL connection, and false if it indicates
@@ -937,32 +906,32 @@
  * - A write, when the SSL output buffer contains some data that has not
  *   been sent over the network yet.
  * - An asynchronous callback that has not completed yet. */
-static int mbedtls_status_is_ssl_in_progress( int ret )
+static int mbedtls_status_is_ssl_in_progress(int ret)
 {
-    return( ret == MBEDTLS_ERR_SSL_WANT_READ ||
+    return (ret == MBEDTLS_ERR_SSL_WANT_READ ||
             ret == MBEDTLS_ERR_SSL_WANT_WRITE ||
-            ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS );
+            ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS);
 }
 
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-typedef struct
-{
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+typedef struct {
     mbedtls_x509_crt *cert; /*!< Certificate corresponding to the key */
     mbedtls_pk_context *pk; /*!< Private key */
     unsigned delay; /*!< Number of resume steps to go through */
     unsigned pk_owned : 1; /*!< Whether to free the pk object on exit */
 } ssl_async_key_slot_t;
 
-typedef enum {
+typedef enum
+{
     SSL_ASYNC_INJECT_ERROR_NONE = 0, /*!< Let the callbacks succeed */
     SSL_ASYNC_INJECT_ERROR_START, /*!< Inject error during start */
-    SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start */
+    SSL_ASYNC_INJECT_ERROR_CANCEL, /*!< Close the connection after async start
+                                    */
     SSL_ASYNC_INJECT_ERROR_RESUME, /*!< Inject error during resume */
-#define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME
+#        define SSL_ASYNC_INJECT_ERROR_MAX SSL_ASYNC_INJECT_ERROR_RESUME
 } ssl_async_inject_error_t;
 
-typedef struct
-{
+typedef struct {
     ssl_async_key_slot_t slots[4]; /* key, key2, sni1, sni2 */
     size_t slots_used;
     ssl_async_inject_error_t inject_error;
@@ -970,23 +939,23 @@
     void *p_rng;
 } ssl_async_key_context_t;
 
-int ssl_async_set_key( ssl_async_key_context_t *ctx,
-                       mbedtls_x509_crt *cert,
-                       mbedtls_pk_context *pk,
-                       int pk_take_ownership,
-                       unsigned delay )
+int ssl_async_set_key(ssl_async_key_context_t *ctx,
+                      mbedtls_x509_crt *cert,
+                      mbedtls_pk_context *pk,
+                      int pk_take_ownership,
+                      unsigned delay)
 {
-    if( ctx->slots_used >= sizeof( ctx->slots ) / sizeof( *ctx->slots ) )
-        return -1 ;
+    if (ctx->slots_used >= sizeof(ctx->slots) / sizeof(*ctx->slots))
+        return -1;
     ctx->slots[ctx->slots_used].cert = cert;
     ctx->slots[ctx->slots_used].pk = pk;
     ctx->slots[ctx->slots_used].delay = delay;
     ctx->slots[ctx->slots_used].pk_owned = pk_take_ownership;
     ++ctx->slots_used;
-    return 0 ;
+    return 0;
 }
 
-#define SSL_ASYNC_INPUT_MAX_SIZE 512
+#        define SSL_ASYNC_INPUT_MAX_SIZE 512
 
 typedef enum
 {
@@ -996,14 +965,12 @@
 /* Note that the enum above and the array below need to be kept in sync!
  * `ssl_async_operation_names[op]` is the name of op for each value `op`
  * of type `ssl_async_operation_type_t`. */
-static const char *const ssl_async_operation_names[] =
-{
+static const char *const ssl_async_operation_names[] = {
     "sign",
     "decrypt",
 };
 
-typedef struct
-{
+typedef struct {
     unsigned slot;
     ssl_async_operation_type_t operation_type;
     mbedtls_md_type_t md_alg;
@@ -1012,269 +979,255 @@
     unsigned remaining_delay;
 } ssl_async_operation_context_t;
 
-static int ssl_async_start( mbedtls_ssl_context *ssl,
-                            mbedtls_x509_crt *cert,
-                            ssl_async_operation_type_t op_type,
-                            mbedtls_md_type_t md_alg,
-                            const unsigned char *input,
-                            size_t input_len )
+static int ssl_async_start(mbedtls_ssl_context *ssl,
+                           mbedtls_x509_crt *cert,
+                           ssl_async_operation_type_t op_type,
+                           mbedtls_md_type_t md_alg,
+                           const unsigned char *input,
+                           size_t input_len)
 {
     ssl_async_key_context_t *config_data =
-        mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+        mbedtls_ssl_conf_get_async_config_data(ssl->conf);
     unsigned slot;
     ssl_async_operation_context_t *ctx = NULL;
     const char *op_name = ssl_async_operation_names[op_type];
 
     {
         char dn[100];
-        if( mbedtls_x509_dn_gets( dn, sizeof( dn ), &cert->subject ) > 0 )
-            mbedtls_printf( "Async %s callback: looking for DN=%s\n",
-                            op_name, dn );
+        if (mbedtls_x509_dn_gets(dn, sizeof(dn), &cert->subject) > 0)
+            mbedtls_printf("Async %s callback: looking for DN=%s\n", op_name,
+                           dn);
     }
 
     /* Look for a private key that matches the public key in cert.
      * Since this test code has the private key inside Mbed TLS,
      * we call mbedtls_pk_check_pair to match a private key with the
      * public key. */
-    for( slot = 0; slot < config_data->slots_used; slot++ )
-    {
-        if( mbedtls_pk_check_pair( &cert->pk,
-                                   config_data->slots[slot].pk,
-                                   rng_get, &rng ) == 0 )
+    for (slot = 0; slot < config_data->slots_used; slot++) {
+        if (mbedtls_pk_check_pair(&cert->pk, config_data->slots[slot].pk,
+                                  rng_get, &rng) == 0)
             break;
     }
-    if( slot == config_data->slots_used )
-    {
-        mbedtls_printf( "Async %s callback: no key matches this certificate.\n",
-                        op_name );
-        return MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH ;
+    if (slot == config_data->slots_used) {
+        mbedtls_printf("Async %s callback: no key matches this certificate.\n",
+                       op_name);
+        return MBEDTLS_ERR_SSL_HW_ACCEL_FALLTHROUGH;
     }
-    mbedtls_printf( "Async %s callback: using key slot %u, delay=%u.\n",
-                    op_name, slot, config_data->slots[slot].delay );
+    mbedtls_printf("Async %s callback: using key slot %u, delay=%u.\n", op_name,
+                   slot, config_data->slots[slot].delay);
 
-    if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START )
-    {
-        mbedtls_printf( "Async %s callback: injected error\n", op_name );
-        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ;
+    if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_START) {
+        mbedtls_printf("Async %s callback: injected error\n", op_name);
+        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
     }
 
-    if( input_len > SSL_ASYNC_INPUT_MAX_SIZE )
-        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA ;
+    if (input_len > SSL_ASYNC_INPUT_MAX_SIZE)
+        return MBEDTLS_ERR_SSL_BAD_INPUT_DATA;
 
-    ctx = mbedtls_calloc( 1, sizeof( *ctx ) );
-    if( ctx == NULL )
-        return MBEDTLS_ERR_SSL_ALLOC_FAILED ;
+    ctx = mbedtls_calloc(1, sizeof(*ctx));
+    if (ctx == NULL)
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
     ctx->slot = slot;
     ctx->operation_type = op_type;
     ctx->md_alg = md_alg;
-    memcpy( ctx->input, input, input_len );
+    memcpy(ctx->input, input, input_len);
     ctx->input_len = input_len;
     ctx->remaining_delay = config_data->slots[slot].delay;
-    mbedtls_ssl_set_async_operation_data( ssl, ctx );
+    mbedtls_ssl_set_async_operation_data(ssl, ctx);
 
-    if( ctx->remaining_delay == 0 )
-        return 0 ;
+    if (ctx->remaining_delay == 0)
+        return 0;
     else
-        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ;
+        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
 }
 
-static int ssl_async_sign( mbedtls_ssl_context *ssl,
-                           mbedtls_x509_crt *cert,
-                           mbedtls_md_type_t md_alg,
-                           const unsigned char *hash,
-                           size_t hash_len )
+static int ssl_async_sign(mbedtls_ssl_context *ssl,
+                          mbedtls_x509_crt *cert,
+                          mbedtls_md_type_t md_alg,
+                          const unsigned char *hash,
+                          size_t hash_len)
 {
-    return( ssl_async_start( ssl, cert,
-                             ASYNC_OP_SIGN, md_alg,
-                             hash, hash_len ) );
+    return (ssl_async_start(ssl, cert, ASYNC_OP_SIGN, md_alg, hash, hash_len));
 }
 
-static int ssl_async_decrypt( mbedtls_ssl_context *ssl,
-                              mbedtls_x509_crt *cert,
-                              const unsigned char *input,
-                              size_t input_len )
+static int ssl_async_decrypt(mbedtls_ssl_context *ssl,
+                             mbedtls_x509_crt *cert,
+                             const unsigned char *input,
+                             size_t input_len)
 {
-    return( ssl_async_start( ssl, cert,
-                             ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE,
-                             input, input_len ) );
+    return (ssl_async_start(ssl, cert, ASYNC_OP_DECRYPT, MBEDTLS_MD_NONE, input,
+                            input_len));
 }
 
-static int ssl_async_resume( mbedtls_ssl_context *ssl,
-                             unsigned char *output,
-                             size_t *output_len,
-                             size_t output_size )
+static int ssl_async_resume(mbedtls_ssl_context *ssl,
+                            unsigned char *output,
+                            size_t *output_len,
+                            size_t output_size)
 {
-    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
+    ssl_async_operation_context_t *ctx =
+        mbedtls_ssl_get_async_operation_data(ssl);
     ssl_async_key_context_t *config_data =
-        mbedtls_ssl_conf_get_async_config_data( ssl->conf );
+        mbedtls_ssl_conf_get_async_config_data(ssl->conf);
     ssl_async_key_slot_t *key_slot = &config_data->slots[ctx->slot];
     int ret;
     const char *op_name;
 
-    if( ctx->remaining_delay > 0 )
-    {
+    if (ctx->remaining_delay > 0) {
         --ctx->remaining_delay;
-        mbedtls_printf( "Async resume (slot %u): call %u more times.\n",
-                        ctx->slot, ctx->remaining_delay );
-        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS ;
+        mbedtls_printf("Async resume (slot %u): call %u more times.\n",
+                       ctx->slot, ctx->remaining_delay);
+        return MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS;
     }
 
-    switch( ctx->operation_type )
-    {
+    switch (ctx->operation_type) {
         case ASYNC_OP_DECRYPT:
-            ret = mbedtls_pk_decrypt( key_slot->pk,
-                                      ctx->input, ctx->input_len,
-                                      output, output_len, output_size,
-                                      config_data->f_rng, config_data->p_rng );
+            ret = mbedtls_pk_decrypt(key_slot->pk, ctx->input, ctx->input_len,
+                                     output, output_len, output_size,
+                                     config_data->f_rng, config_data->p_rng);
             break;
         case ASYNC_OP_SIGN:
-            ret = mbedtls_pk_sign( key_slot->pk,
-                                   ctx->md_alg,
-                                   ctx->input, ctx->input_len,
-                                   output, output_size, output_len,
-                                   config_data->f_rng, config_data->p_rng );
+            ret = mbedtls_pk_sign(key_slot->pk, ctx->md_alg, ctx->input,
+                                  ctx->input_len, output, output_size,
+                                  output_len, config_data->f_rng,
+                                  config_data->p_rng);
             break;
         default:
-            mbedtls_printf( "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
-                            ctx->slot, (long) ctx->operation_type );
-            mbedtls_free( ctx );
-            return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ;
+            mbedtls_printf(
+                "Async resume (slot %u): unknown operation type %ld. This shouldn't happen.\n",
+                ctx->slot, (long)ctx->operation_type);
+            mbedtls_free(ctx);
+            return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
             break;
     }
 
     op_name = ssl_async_operation_names[ctx->operation_type];
 
-    if( config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME )
-    {
-        mbedtls_printf( "Async resume callback: %s done but injected error\n",
-                        op_name );
-        mbedtls_free( ctx );
-        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE ;
+    if (config_data->inject_error == SSL_ASYNC_INJECT_ERROR_RESUME) {
+        mbedtls_printf("Async resume callback: %s done but injected error\n",
+                       op_name);
+        mbedtls_free(ctx);
+        return MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE;
     }
 
-    mbedtls_printf( "Async resume (slot %u): %s done, status=%d.\n",
-                    ctx->slot, op_name, ret );
-    mbedtls_free( ctx );
-    return ret ;
+    mbedtls_printf("Async resume (slot %u): %s done, status=%d.\n", ctx->slot,
+                   op_name, ret);
+    mbedtls_free(ctx);
+    return ret;
 }
 
-static void ssl_async_cancel( mbedtls_ssl_context *ssl )
+static void ssl_async_cancel(mbedtls_ssl_context *ssl)
 {
-    ssl_async_operation_context_t *ctx = mbedtls_ssl_get_async_operation_data( ssl );
-    mbedtls_printf( "Async cancel callback.\n" );
-    mbedtls_free( ctx );
+    ssl_async_operation_context_t *ctx =
+        mbedtls_ssl_get_async_operation_data(ssl);
+    mbedtls_printf("Async cancel callback.\n");
+    mbedtls_free(ctx);
 }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-static psa_status_t psa_setup_psk_key_slot( psa_key_id_t *slot,
-                                            psa_algorithm_t alg,
-                                            unsigned char *psk,
-                                            size_t psk_len )
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+static psa_status_t psa_setup_psk_key_slot(psa_key_id_t *slot,
+                                           psa_algorithm_t alg,
+                                           unsigned char *psk,
+                                           size_t psk_len)
 {
     psa_status_t status;
     psa_key_attributes_t key_attributes;
 
     key_attributes = psa_key_attributes_init();
-    psa_set_key_usage_flags( &key_attributes, PSA_KEY_USAGE_DERIVE );
-    psa_set_key_algorithm( &key_attributes, alg );
-    psa_set_key_type( &key_attributes, PSA_KEY_TYPE_DERIVE );
+    psa_set_key_usage_flags(&key_attributes, PSA_KEY_USAGE_DERIVE);
+    psa_set_key_algorithm(&key_attributes, alg);
+    psa_set_key_type(&key_attributes, PSA_KEY_TYPE_DERIVE);
 
-    status = psa_import_key( &key_attributes, psk, psk_len, slot );
-    if( status != PSA_SUCCESS )
-    {
-        fprintf( stderr, "IMPORT\n" );
-        return status ;
+    status = psa_import_key(&key_attributes, psk, psk_len, slot);
+    if (status != PSA_SUCCESS) {
+        fprintf(stderr, "IMPORT\n");
+        return status;
     }
 
-    return PSA_SUCCESS ;
+    return PSA_SUCCESS;
 }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-int report_cid_usage( mbedtls_ssl_context *ssl,
-                      const char *additional_description )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+int report_cid_usage(mbedtls_ssl_context *ssl,
+                     const char *additional_description)
 {
     int ret;
-    unsigned char peer_cid[ MBEDTLS_SSL_CID_OUT_LEN_MAX ];
+    unsigned char peer_cid[MBEDTLS_SSL_CID_OUT_LEN_MAX];
     size_t peer_cid_len;
     int cid_negotiated;
 
-    if( opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-        return 0 ;
+    if (opt.transport != MBEDTLS_SSL_TRANSPORT_DATAGRAM)
+        return 0;
 
     /* Check if the use of a CID has been negotiated */
-    ret = mbedtls_ssl_get_peer_cid( ssl, &cid_negotiated,
-                                    peer_cid, &peer_cid_len );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
-                        (unsigned int) -ret );
-        return ret ;
+    ret =
+        mbedtls_ssl_get_peer_cid(ssl, &cid_negotiated, peer_cid, &peer_cid_len);
+    if (ret != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_get_peer_cid returned -0x%x\n\n",
+            (unsigned int)-ret);
+        return ret;
     }
 
-    if( cid_negotiated == MBEDTLS_SSL_CID_DISABLED )
-    {
-        if( opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED )
-        {
-            mbedtls_printf( "(%s) Use of Connection ID was not offered by client.\n",
-                            additional_description );
+    if (cid_negotiated == MBEDTLS_SSL_CID_DISABLED) {
+        if (opt.cid_enabled == MBEDTLS_SSL_CID_ENABLED) {
+            mbedtls_printf(
+                "(%s) Use of Connection ID was not offered by client.\n",
+                additional_description);
         }
-    }
-    else
-    {
-        size_t idx=0;
-        mbedtls_printf( "(%s) Use of Connection ID has been negotiated.\n",
-                        additional_description );
-        mbedtls_printf( "(%s) Peer CID (length %u Bytes): ",
-                        additional_description,
-                        (unsigned) peer_cid_len );
-        while( idx < peer_cid_len )
-        {
-            mbedtls_printf( "%02x ", peer_cid[ idx ] );
+    } else {
+        size_t idx = 0;
+        mbedtls_printf("(%s) Use of Connection ID has been negotiated.\n",
+                       additional_description);
+        mbedtls_printf("(%s) Peer CID (length %u Bytes): ",
+                       additional_description, (unsigned)peer_cid_len);
+        while (idx < peer_cid_len) {
+            mbedtls_printf("%02x ", peer_cid[idx]);
             idx++;
         }
-        mbedtls_printf( "\n" );
+        mbedtls_printf("\n");
     }
 
-    return 0 ;
+    return 0;
 }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-int main( int argc, char *argv[] )
+int main(int argc, char *argv[])
 {
     int ret = 0, len, written, frags, exchanges_left;
     int query_config_ret = 0;
     io_ctx_t io_ctx;
-    unsigned char* buf = 0;
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+    unsigned char *buf = 0;
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_algorithm_t alg = 0;
     psa_key_id_t psk_slot = 0;
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
     unsigned char psk[MBEDTLS_PSK_MAX_LEN];
     size_t psk_len = 0;
     psk_entry *psk_info = NULL;
-#endif
+#    endif
     const char *pers = "ssl_server2";
     unsigned char client_ip[16] = { 0 };
     size_t cliip_len;
-#if defined(MBEDTLS_SSL_COOKIE_C)
+#    if defined(MBEDTLS_SSL_COOKIE_C)
     mbedtls_ssl_cookie_ctx cookie_ctx;
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
-#endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_profile crt_profile_for_test =
+        mbedtls_x509_crt_profile_default;
+#    endif
     mbedtls_ssl_context ssl;
     mbedtls_ssl_config conf;
-#if defined(MBEDTLS_TIMING_C)
+#    if defined(MBEDTLS_TIMING_C)
     mbedtls_timing_delay_context timer;
-#endif
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
+#    endif
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
     unsigned char renego_period[8] = { 0 };
-#endif
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     uint32_t flags;
     mbedtls_x509_crt cacert;
     mbedtls_x509_crt srvcert;
@@ -1282,392 +1235,361 @@
     mbedtls_x509_crt srvcert2;
     mbedtls_pk_context pkey2;
     int key_cert_init = 0, key_cert_init2 = 0;
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
     ssl_async_key_context_t ssl_async_keys;
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
-#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+#        endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
     mbedtls_dhm_context dhm;
-#endif
-#if defined(MBEDTLS_SSL_CACHE_C)
+#    endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
     mbedtls_ssl_cache_context cache;
-#endif
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+#    endif
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
     mbedtls_ssl_ticket_context ticket_ctx;
-#endif
-#if defined(SNI_OPTION)
+#    endif
+#    if defined(SNI_OPTION)
     sni_entry *sni_info = NULL;
-#endif
-#if defined(MBEDTLS_ECP_C)
+#    endif
+#    if defined(MBEDTLS_ECP_C)
     mbedtls_ecp_group_id curve_list[CURVE_LIST_SIZE];
-    const mbedtls_ecp_curve_info * curve_cur;
-#endif
-#if defined(MBEDTLS_SSL_ALPN)
+    const mbedtls_ecp_curve_info *curve_cur;
+#    endif
+#    if defined(MBEDTLS_SSL_ALPN)
     const char *alpn_list[ALPN_LIST_SIZE];
-#endif
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#    endif
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
     unsigned char alloc_buf[MEMORY_HEAP_SIZE];
-#endif
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+#    endif
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
     unsigned char cid[MBEDTLS_SSL_CID_IN_LEN_MAX];
     unsigned char cid_renego[MBEDTLS_SSL_CID_IN_LEN_MAX];
     size_t cid_len = 0;
     size_t cid_renego_len = 0;
-#endif
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+#    endif
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
     unsigned char *context_buf = NULL;
     size_t context_buf_len = 0;
-#endif
+#    endif
 
     int i;
     char *p, *q;
     const int *list;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_status_t status;
-#endif
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#    endif
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
     unsigned char eap_tls_keymaterial[16];
     unsigned char eap_tls_iv[8];
-    const char* eap_tls_label = "client EAP encryption";
+    const char *eap_tls_label = "client EAP encryption";
     eap_tls_keys eap_tls_keying;
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
     /*! master keys and master salt for SRTP generated during handshake */
-     unsigned char dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
-     const char* dtls_srtp_label = "EXTRACTOR-dtls_srtp";
-     dtls_srtp_keys dtls_srtp_keying;
-     const mbedtls_ssl_srtp_profile default_profiles[] = {
-         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
-         MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
-         MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80,
-         MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
-         MBEDTLS_TLS_SRTP_UNSET
-     };
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+    unsigned char
+        dtls_srtp_key_material[MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH];
+    const char *dtls_srtp_label = "EXTRACTOR-dtls_srtp";
+    dtls_srtp_keys dtls_srtp_keying;
+    const mbedtls_ssl_srtp_profile default_profiles[] = {
+        MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_80,
+        MBEDTLS_TLS_SRTP_AES128_CM_HMAC_SHA1_32,
+        MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_80, MBEDTLS_TLS_SRTP_NULL_HMAC_SHA1_32,
+        MBEDTLS_TLS_SRTP_UNSET
+    };
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-    mbedtls_memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
-#if defined(MBEDTLS_MEMORY_DEBUG)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+    mbedtls_memory_buffer_alloc_init(alloc_buf, sizeof(alloc_buf));
+#        if defined(MBEDTLS_MEMORY_DEBUG)
     size_t current_heap_memory, peak_heap_memory, heap_blocks;
-#endif  /* MBEDTLS_MEMORY_DEBUG */
-#endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+#        endif /* MBEDTLS_MEMORY_DEBUG */
+#    endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
-#if defined(MBEDTLS_TEST_HOOKS)
-    test_hooks_init( );
-#endif /* MBEDTLS_TEST_HOOKS */
+#    if defined(MBEDTLS_TEST_HOOKS)
+    test_hooks_init();
+#    endif /* MBEDTLS_TEST_HOOKS */
 
     /*
      * Make sure memory references are valid in case we exit early.
      */
-    mbedtls_net_init( &client_fd );
-    mbedtls_net_init( &listen_fd );
-    mbedtls_ssl_init( &ssl );
-    mbedtls_ssl_config_init( &conf );
-    rng_init( &rng );
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_init( &cacert );
-    mbedtls_x509_crt_init( &srvcert );
-    mbedtls_pk_init( &pkey );
-    mbedtls_x509_crt_init( &srvcert2 );
-    mbedtls_pk_init( &pkey2 );
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    memset( &ssl_async_keys, 0, sizeof( ssl_async_keys ) );
-#endif
-#endif
-#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    mbedtls_dhm_init( &dhm );
-#endif
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_init( &cache );
-#endif
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_ticket_init( &ticket_ctx );
-#endif
-#if defined(MBEDTLS_SSL_ALPN)
-    memset( (void *) alpn_list, 0, sizeof( alpn_list ) );
-#endif
-#if defined(MBEDTLS_SSL_COOKIE_C)
-    mbedtls_ssl_cookie_init( &cookie_ctx );
-#endif
+    mbedtls_net_init(&client_fd);
+    mbedtls_net_init(&listen_fd);
+    mbedtls_ssl_init(&ssl);
+    mbedtls_ssl_config_init(&conf);
+    rng_init(&rng);
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_init(&cacert);
+    mbedtls_x509_crt_init(&srvcert);
+    mbedtls_pk_init(&pkey);
+    mbedtls_x509_crt_init(&srvcert2);
+    mbedtls_pk_init(&pkey2);
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+    memset(&ssl_async_keys, 0, sizeof(ssl_async_keys));
+#        endif
+#    endif
+#    if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+    mbedtls_dhm_init(&dhm);
+#    endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_init(&cache);
+#    endif
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    mbedtls_ssl_ticket_init(&ticket_ctx);
+#    endif
+#    if defined(MBEDTLS_SSL_ALPN)
+    memset((void *)alpn_list, 0, sizeof(alpn_list));
+#    endif
+#    if defined(MBEDTLS_SSL_COOKIE_C)
+    mbedtls_ssl_cookie_init(&cookie_ctx);
+#    endif
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
     status = psa_crypto_init();
-    if( status != PSA_SUCCESS )
-    {
-        mbedtls_fprintf( stderr, "Failed to initialize PSA Crypto implementation: %d\n",
-                         (int) status );
+    if (status != PSA_SUCCESS) {
+        mbedtls_fprintf(stderr,
+                        "Failed to initialize PSA Crypto implementation: %d\n",
+                        (int)status);
         ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
         goto exit;
     }
-#endif  /* MBEDTLS_USE_PSA_CRYPTO */
-#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
-    mbedtls_test_enable_insecure_external_rng( );
-#endif  /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+    mbedtls_test_enable_insecure_external_rng();
+#    endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
 
-#if !defined(_WIN32)
+#    if !defined(_WIN32)
     /* Abort cleanly on SIGTERM and SIGINT */
-    signal( SIGTERM, term_handler );
-    signal( SIGINT, term_handler );
-#endif
+    signal(SIGTERM, term_handler);
+    signal(SIGINT, term_handler);
+#    endif
 
-    if( argc == 0 )
-    {
-    usage:
-        if( ret == 0 )
+    if (argc == 0) {
+usage:
+        if (ret == 0)
             ret = 1;
 
-        mbedtls_printf( USAGE1 );
-        mbedtls_printf( USAGE2 );
-        mbedtls_printf( USAGE3 );
-        mbedtls_printf( USAGE4 );
+        mbedtls_printf(USAGE1);
+        mbedtls_printf(USAGE2);
+        mbedtls_printf(USAGE3);
+        mbedtls_printf(USAGE4);
 
         list = mbedtls_ssl_list_ciphersuites();
-        while( *list )
-        {
-            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name( *list ) );
+        while (*list) {
+            mbedtls_printf(" %-42s", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
-            if( !*list )
+            if (!*list)
                 break;
-            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name( *list ) );
+            mbedtls_printf(" %s\n", mbedtls_ssl_get_ciphersuite_name(*list));
             list++;
         }
         mbedtls_printf("\n");
         goto exit;
     }
 
-    opt.buffer_size         = DFL_IO_BUF_LEN;
-    opt.server_addr         = DFL_SERVER_ADDR;
-    opt.server_port         = DFL_SERVER_PORT;
-    opt.debug_level         = DFL_DEBUG_LEVEL;
-    opt.event               = DFL_EVENT;
-    opt.response_size       = DFL_RESPONSE_SIZE;
-    opt.nbio                = DFL_NBIO;
-    opt.cid_enabled         = DFL_CID_ENABLED;
-    opt.cid_enabled_renego  = DFL_CID_ENABLED_RENEGO;
-    opt.cid_val             = DFL_CID_VALUE;
-    opt.cid_val_renego      = DFL_CID_VALUE_RENEGO;
-    opt.read_timeout        = DFL_READ_TIMEOUT;
-    opt.ca_file             = DFL_CA_FILE;
-    opt.ca_path             = DFL_CA_PATH;
-    opt.crt_file            = DFL_CRT_FILE;
-    opt.key_file            = DFL_KEY_FILE;
-    opt.key_pwd             = DFL_KEY_PWD;
-    opt.crt_file2           = DFL_CRT_FILE2;
-    opt.key_file2           = DFL_KEY_FILE2;
-    opt.key_pwd2            = DFL_KEY_PWD2;
-    opt.async_operations    = DFL_ASYNC_OPERATIONS;
+    opt.buffer_size = DFL_IO_BUF_LEN;
+    opt.server_addr = DFL_SERVER_ADDR;
+    opt.server_port = DFL_SERVER_PORT;
+    opt.debug_level = DFL_DEBUG_LEVEL;
+    opt.event = DFL_EVENT;
+    opt.response_size = DFL_RESPONSE_SIZE;
+    opt.nbio = DFL_NBIO;
+    opt.cid_enabled = DFL_CID_ENABLED;
+    opt.cid_enabled_renego = DFL_CID_ENABLED_RENEGO;
+    opt.cid_val = DFL_CID_VALUE;
+    opt.cid_val_renego = DFL_CID_VALUE_RENEGO;
+    opt.read_timeout = DFL_READ_TIMEOUT;
+    opt.ca_file = DFL_CA_FILE;
+    opt.ca_path = DFL_CA_PATH;
+    opt.crt_file = DFL_CRT_FILE;
+    opt.key_file = DFL_KEY_FILE;
+    opt.key_pwd = DFL_KEY_PWD;
+    opt.crt_file2 = DFL_CRT_FILE2;
+    opt.key_file2 = DFL_KEY_FILE2;
+    opt.key_pwd2 = DFL_KEY_PWD2;
+    opt.async_operations = DFL_ASYNC_OPERATIONS;
     opt.async_private_delay1 = DFL_ASYNC_PRIVATE_DELAY1;
     opt.async_private_delay2 = DFL_ASYNC_PRIVATE_DELAY2;
     opt.async_private_error = DFL_ASYNC_PRIVATE_ERROR;
-    opt.psk                 = DFL_PSK;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    opt.psk_opaque          = DFL_PSK_OPAQUE;
-    opt.psk_list_opaque     = DFL_PSK_LIST_OPAQUE;
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-    opt.ca_callback         = DFL_CA_CALLBACK;
-#endif
-    opt.psk_identity        = DFL_PSK_IDENTITY;
-    opt.psk_list            = DFL_PSK_LIST;
-    opt.ecjpake_pw          = DFL_ECJPAKE_PW;
-    opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
-    opt.renegotiation       = DFL_RENEGOTIATION;
-    opt.allow_legacy        = DFL_ALLOW_LEGACY;
-    opt.renegotiate         = DFL_RENEGOTIATE;
-    opt.renego_delay        = DFL_RENEGO_DELAY;
-    opt.renego_period       = DFL_RENEGO_PERIOD;
-    opt.exchanges           = DFL_EXCHANGES;
-    opt.min_version         = DFL_MIN_VERSION;
-    opt.max_version         = DFL_MAX_VERSION;
-    opt.allow_sha1          = DFL_SHA1;
-    opt.auth_mode           = DFL_AUTH_MODE;
-    opt.cert_req_ca_list    = DFL_CERT_REQ_CA_LIST;
-    opt.mfl_code            = DFL_MFL_CODE;
-    opt.trunc_hmac          = DFL_TRUNC_HMAC;
-    opt.tickets             = DFL_TICKETS;
-    opt.ticket_timeout      = DFL_TICKET_TIMEOUT;
-    opt.cache_max           = DFL_CACHE_MAX;
-    opt.cache_timeout       = DFL_CACHE_TIMEOUT;
-    opt.sni                 = DFL_SNI;
-    opt.alpn_string         = DFL_ALPN_STRING;
-    opt.curves              = DFL_CURVES;
-    opt.dhm_file            = DFL_DHM_FILE;
-    opt.transport           = DFL_TRANSPORT;
-    opt.cookies             = DFL_COOKIES;
-    opt.anti_replay         = DFL_ANTI_REPLAY;
-    opt.hs_to_min           = DFL_HS_TO_MIN;
-    opt.hs_to_max           = DFL_HS_TO_MAX;
-    opt.dtls_mtu            = DFL_DTLS_MTU;
-    opt.dgram_packing       = DFL_DGRAM_PACKING;
-    opt.badmac_limit        = DFL_BADMAC_LIMIT;
-    opt.extended_ms         = DFL_EXTENDED_MS;
-    opt.etm                 = DFL_ETM;
-    opt.serialize           = DFL_SERIALIZE;
-    opt.context_file        = DFL_CONTEXT_FILE;
-    opt.eap_tls             = DFL_EAP_TLS;
-    opt.reproducible        = DFL_REPRODUCIBLE;
-    opt.nss_keylog          = DFL_NSS_KEYLOG;
-    opt.nss_keylog_file     = DFL_NSS_KEYLOG_FILE;
-    opt.query_config_mode   = DFL_QUERY_CONFIG_MODE;
-    opt.use_srtp            = DFL_USE_SRTP;
-    opt.force_srtp_profile  = DFL_SRTP_FORCE_PROFILE;
-    opt.support_mki         = DFL_SRTP_SUPPORT_MKI;
+    opt.psk = DFL_PSK;
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    opt.psk_opaque = DFL_PSK_OPAQUE;
+    opt.psk_list_opaque = DFL_PSK_LIST_OPAQUE;
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+    opt.ca_callback = DFL_CA_CALLBACK;
+#    endif
+    opt.psk_identity = DFL_PSK_IDENTITY;
+    opt.psk_list = DFL_PSK_LIST;
+    opt.ecjpake_pw = DFL_ECJPAKE_PW;
+    opt.force_ciphersuite[0] = DFL_FORCE_CIPHER;
+    opt.renegotiation = DFL_RENEGOTIATION;
+    opt.allow_legacy = DFL_ALLOW_LEGACY;
+    opt.renegotiate = DFL_RENEGOTIATE;
+    opt.renego_delay = DFL_RENEGO_DELAY;
+    opt.renego_period = DFL_RENEGO_PERIOD;
+    opt.exchanges = DFL_EXCHANGES;
+    opt.min_version = DFL_MIN_VERSION;
+    opt.max_version = DFL_MAX_VERSION;
+    opt.allow_sha1 = DFL_SHA1;
+    opt.auth_mode = DFL_AUTH_MODE;
+    opt.cert_req_ca_list = DFL_CERT_REQ_CA_LIST;
+    opt.mfl_code = DFL_MFL_CODE;
+    opt.trunc_hmac = DFL_TRUNC_HMAC;
+    opt.tickets = DFL_TICKETS;
+    opt.ticket_timeout = DFL_TICKET_TIMEOUT;
+    opt.cache_max = DFL_CACHE_MAX;
+    opt.cache_timeout = DFL_CACHE_TIMEOUT;
+    opt.sni = DFL_SNI;
+    opt.alpn_string = DFL_ALPN_STRING;
+    opt.curves = DFL_CURVES;
+    opt.dhm_file = DFL_DHM_FILE;
+    opt.transport = DFL_TRANSPORT;
+    opt.cookies = DFL_COOKIES;
+    opt.anti_replay = DFL_ANTI_REPLAY;
+    opt.hs_to_min = DFL_HS_TO_MIN;
+    opt.hs_to_max = DFL_HS_TO_MAX;
+    opt.dtls_mtu = DFL_DTLS_MTU;
+    opt.dgram_packing = DFL_DGRAM_PACKING;
+    opt.badmac_limit = DFL_BADMAC_LIMIT;
+    opt.extended_ms = DFL_EXTENDED_MS;
+    opt.etm = DFL_ETM;
+    opt.serialize = DFL_SERIALIZE;
+    opt.context_file = DFL_CONTEXT_FILE;
+    opt.eap_tls = DFL_EAP_TLS;
+    opt.reproducible = DFL_REPRODUCIBLE;
+    opt.nss_keylog = DFL_NSS_KEYLOG;
+    opt.nss_keylog_file = DFL_NSS_KEYLOG_FILE;
+    opt.query_config_mode = DFL_QUERY_CONFIG_MODE;
+    opt.use_srtp = DFL_USE_SRTP;
+    opt.force_srtp_profile = DFL_SRTP_FORCE_PROFILE;
+    opt.support_mki = DFL_SRTP_SUPPORT_MKI;
 
-    for( i = 1; i < argc; i++ )
-    {
+    for (i = 1; i < argc; i++) {
         p = argv[i];
-        if( ( q = strchr( p, '=' ) ) == NULL )
+        if ((q = strchr(p, '=')) == NULL)
             goto usage;
         *q++ = '\0';
 
-        if( strcmp( p, "server_port" ) == 0 )
+        if (strcmp(p, "server_port") == 0)
             opt.server_port = q;
-        else if( strcmp( p, "server_addr" ) == 0 )
+        else if (strcmp(p, "server_addr") == 0)
             opt.server_addr = q;
-        else if( strcmp( p, "dtls" ) == 0 )
-        {
-            int t = atoi( q );
-            if( t == 0 )
+        else if (strcmp(p, "dtls") == 0) {
+            int t = atoi(q);
+            if (t == 0)
                 opt.transport = MBEDTLS_SSL_TRANSPORT_STREAM;
-            else if( t == 1 )
+            else if (t == 1)
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "debug_level" ) == 0 )
-        {
-            opt.debug_level = atoi( q );
-            if( opt.debug_level < 0 || opt.debug_level > 65535 )
+        } else if (strcmp(p, "debug_level") == 0) {
+            opt.debug_level = atoi(q);
+            if (opt.debug_level < 0 || opt.debug_level > 65535)
                 goto usage;
-        }
-        else if( strcmp( p, "nbio" ) == 0 )
-        {
-            opt.nbio = atoi( q );
-            if( opt.nbio < 0 || opt.nbio > 2 )
+        } else if (strcmp(p, "nbio") == 0) {
+            opt.nbio = atoi(q);
+            if (opt.nbio < 0 || opt.nbio > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "event" ) == 0 )
-        {
-            opt.event = atoi( q );
-            if( opt.event < 0 || opt.event > 2 )
+        } else if (strcmp(p, "event") == 0) {
+            opt.event = atoi(q);
+            if (opt.event < 0 || opt.event > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "read_timeout" ) == 0 )
-            opt.read_timeout = atoi( q );
-        else if( strcmp( p, "buffer_size" ) == 0 )
-        {
-            opt.buffer_size = atoi( q );
-            if( opt.buffer_size < 1 )
+        } else if (strcmp(p, "read_timeout") == 0)
+            opt.read_timeout = atoi(q);
+        else if (strcmp(p, "buffer_size") == 0) {
+            opt.buffer_size = atoi(q);
+            if (opt.buffer_size < 1)
                 goto usage;
-        }
-        else if( strcmp( p, "response_size" ) == 0 )
-        {
-            opt.response_size = atoi( q );
-            if( opt.response_size < 0 || opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN )
+        } else if (strcmp(p, "response_size") == 0) {
+            opt.response_size = atoi(q);
+            if (opt.response_size < 0 ||
+                opt.response_size > MBEDTLS_SSL_OUT_CONTENT_LEN)
                 goto usage;
-            if( opt.buffer_size < opt.response_size )
+            if (opt.buffer_size < opt.response_size)
                 opt.buffer_size = opt.response_size;
-        }
-        else if( strcmp( p, "ca_file" ) == 0 )
+        } else if (strcmp(p, "ca_file") == 0)
             opt.ca_file = q;
-        else if( strcmp( p, "ca_path" ) == 0 )
+        else if (strcmp(p, "ca_path") == 0)
             opt.ca_path = q;
-        else if( strcmp( p, "crt_file" ) == 0 )
+        else if (strcmp(p, "crt_file") == 0)
             opt.crt_file = q;
-        else if( strcmp( p, "key_file" ) == 0 )
+        else if (strcmp(p, "key_file") == 0)
             opt.key_file = q;
-        else if( strcmp( p, "key_pwd" ) == 0 )
+        else if (strcmp(p, "key_pwd") == 0)
             opt.key_pwd = q;
-        else if( strcmp( p, "crt_file2" ) == 0 )
+        else if (strcmp(p, "crt_file2") == 0)
             opt.crt_file2 = q;
-        else if( strcmp( p, "key_file2" ) == 0 )
+        else if (strcmp(p, "key_file2") == 0)
             opt.key_file2 = q;
-        else if( strcmp( p, "key_pwd2" ) == 0 )
+        else if (strcmp(p, "key_pwd2") == 0)
             opt.key_pwd2 = q;
-        else if( strcmp( p, "dhm_file" ) == 0 )
+        else if (strcmp(p, "dhm_file") == 0)
             opt.dhm_file = q;
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        else if( strcmp( p, "async_operations" ) == 0 )
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        else if (strcmp(p, "async_operations") == 0)
             opt.async_operations = q;
-        else if( strcmp( p, "async_private_delay1" ) == 0 )
-            opt.async_private_delay1 = atoi( q );
-        else if( strcmp( p, "async_private_delay2" ) == 0 )
-            opt.async_private_delay2 = atoi( q );
-        else if( strcmp( p, "async_private_error" ) == 0 )
-        {
-            int n = atoi( q );
-            if( n < -SSL_ASYNC_INJECT_ERROR_MAX ||
-                n > SSL_ASYNC_INJECT_ERROR_MAX )
-            {
+        else if (strcmp(p, "async_private_delay1") == 0)
+            opt.async_private_delay1 = atoi(q);
+        else if (strcmp(p, "async_private_delay2") == 0)
+            opt.async_private_delay2 = atoi(q);
+        else if (strcmp(p, "async_private_error") == 0) {
+            int n = atoi(q);
+            if (n < -SSL_ASYNC_INJECT_ERROR_MAX ||
+                n > SSL_ASYNC_INJECT_ERROR_MAX) {
                 ret = 2;
                 goto usage;
             }
             opt.async_private_error = n;
         }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-        else if( strcmp( p, "cid" ) == 0 )
-        {
-            opt.cid_enabled = atoi( q );
-            if( opt.cid_enabled != 0 && opt.cid_enabled != 1 )
+#    endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+        else if (strcmp(p, "cid") == 0) {
+            opt.cid_enabled = atoi(q);
+            if (opt.cid_enabled != 0 && opt.cid_enabled != 1)
                 goto usage;
-        }
-        else if( strcmp( p, "cid_renego" ) == 0 )
-        {
-            opt.cid_enabled_renego = atoi( q );
-            if( opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1 )
+        } else if (strcmp(p, "cid_renego") == 0) {
+            opt.cid_enabled_renego = atoi(q);
+            if (opt.cid_enabled_renego != 0 && opt.cid_enabled_renego != 1)
                 goto usage;
-        }
-        else if( strcmp( p, "cid_val" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val") == 0) {
             opt.cid_val = q;
-        }
-        else if( strcmp( p, "cid_val_renego" ) == 0 )
-        {
+        } else if (strcmp(p, "cid_val_renego") == 0) {
             opt.cid_val_renego = q;
         }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
-        else if( strcmp( p, "psk" ) == 0 )
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+        else if (strcmp(p, "psk") == 0)
             opt.psk = q;
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        else if( strcmp( p, "psk_opaque" ) == 0 )
-            opt.psk_opaque = atoi( q );
-        else if( strcmp( p, "psk_list_opaque" ) == 0 )
-            opt.psk_list_opaque = atoi( q );
-#endif
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        else if( strcmp( p, "ca_callback" ) == 0)
-            opt.ca_callback = atoi( q );
-#endif
-        else if( strcmp( p, "psk_identity" ) == 0 )
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+        else if (strcmp(p, "psk_opaque") == 0)
+            opt.psk_opaque = atoi(q);
+        else if (strcmp(p, "psk_list_opaque") == 0)
+            opt.psk_list_opaque = atoi(q);
+#    endif
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+        else if (strcmp(p, "ca_callback") == 0)
+            opt.ca_callback = atoi(q);
+#    endif
+        else if (strcmp(p, "psk_identity") == 0)
             opt.psk_identity = q;
-        else if( strcmp( p, "psk_list" ) == 0 )
+        else if (strcmp(p, "psk_list") == 0)
             opt.psk_list = q;
-        else if( strcmp( p, "ecjpake_pw" ) == 0 )
+        else if (strcmp(p, "ecjpake_pw") == 0)
             opt.ecjpake_pw = q;
-        else if( strcmp( p, "force_ciphersuite" ) == 0 )
-        {
-            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id( q );
+        else if (strcmp(p, "force_ciphersuite") == 0) {
+            opt.force_ciphersuite[0] = mbedtls_ssl_get_ciphersuite_id(q);
 
-            if( opt.force_ciphersuite[0] == 0 )
-            {
+            if (opt.force_ciphersuite[0] == 0) {
                 ret = 2;
                 goto usage;
             }
             opt.force_ciphersuite[1] = 0;
-        }
-        else if( strcmp( p, "curves" ) == 0 )
+        } else if (strcmp(p, "curves") == 0)
             opt.curves = q;
-        else if( strcmp( p, "renegotiation" ) == 0 )
-        {
-            opt.renegotiation = (atoi( q )) ?
-                MBEDTLS_SSL_RENEGOTIATION_ENABLED :
-                MBEDTLS_SSL_RENEGOTIATION_DISABLED;
-        }
-        else if( strcmp( p, "allow_legacy" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        else if (strcmp(p, "renegotiation") == 0) {
+            opt.renegotiation = (atoi(q)) ? MBEDTLS_SSL_RENEGOTIATION_ENABLED :
+                                            MBEDTLS_SSL_RENEGOTIATION_DISABLED;
+        } else if (strcmp(p, "allow_legacy") == 0) {
+            switch (atoi(q)) {
                 case -1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE;
                     break;
@@ -1677,1579 +1599,1388 @@
                 case 1:
                     opt.allow_legacy = MBEDTLS_SSL_LEGACY_ALLOW_RENEGOTIATION;
                     break;
-                default: goto usage;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "renegotiate" ) == 0 )
-        {
-            opt.renegotiate = atoi( q );
-            if( opt.renegotiate < 0 || opt.renegotiate > 1 )
+        } else if (strcmp(p, "renegotiate") == 0) {
+            opt.renegotiate = atoi(q);
+            if (opt.renegotiate < 0 || opt.renegotiate > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "renego_delay" ) == 0 )
-        {
-            opt.renego_delay = atoi( q );
-        }
-        else if( strcmp( p, "renego_period" ) == 0 )
-        {
-#if defined(_MSC_VER)
-            opt.renego_period = _strtoui64( q, NULL, 10 );
-#else
-            if( sscanf( q, "%" SCNu64, &opt.renego_period ) != 1 )
+        } else if (strcmp(p, "renego_delay") == 0) {
+            opt.renego_delay = atoi(q);
+        } else if (strcmp(p, "renego_period") == 0) {
+#    if defined(_MSC_VER)
+            opt.renego_period = _strtoui64(q, NULL, 10);
+#    else
+            if (sscanf(q, "%" SCNu64, &opt.renego_period) != 1)
                 goto usage;
-#endif /* _MSC_VER */
-            if( opt.renego_period < 2 )
+#    endif /* _MSC_VER */
+            if (opt.renego_period < 2)
                 goto usage;
-        }
-        else if( strcmp( p, "exchanges" ) == 0 )
-        {
-            opt.exchanges = atoi( q );
-            if( opt.exchanges < 0 )
+        } else if (strcmp(p, "exchanges") == 0) {
+            opt.exchanges = atoi(q);
+            if (opt.exchanges < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "min_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 ||
-                     strcmp( q, "dtls1_2" ) == 0 )
+        } else if (strcmp(p, "min_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0 || strcmp(q, "dtls1_2") == 0)
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "max_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 ||
-                     strcmp( q, "dtls1_2" ) == 0 )
+        } else if (strcmp(p, "max_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0 || strcmp(q, "dtls1_2") == 0)
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "allow_sha1" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0:     opt.allow_sha1 = 0;   break;
-                case 1:     opt.allow_sha1 = 1;    break;
-                default:    goto usage;
+        } else if (strcmp(p, "allow_sha1") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.allow_sha1 = 0;
+                    break;
+                case 1:
+                    opt.allow_sha1 = 1;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "force_version" ) == 0 )
-        {
-            if( strcmp( q, "tls1_2" ) == 0 )
-            {
+        } else if (strcmp(p, "force_version") == 0) {
+            if (strcmp(q, "tls1_2") == 0) {
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
-            }
-            else if( strcmp( q, "dtls1_2" ) == 0 )
-            {
+            } else if (strcmp(q, "dtls1_2") == 0) {
                 opt.min_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.max_version = MBEDTLS_SSL_MINOR_VERSION_3;
                 opt.transport = MBEDTLS_SSL_TRANSPORT_DATAGRAM;
-            }
-            else
+            } else
                 goto usage;
-        }
-        else if( strcmp( p, "auth_mode" ) == 0 )
-        {
-            if( ( opt.auth_mode = get_auth_mode( q ) ) < 0 )
+        } else if (strcmp(p, "auth_mode") == 0) {
+            if ((opt.auth_mode = get_auth_mode(q)) < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "cert_req_ca_list" ) == 0 )
-        {
-            opt.cert_req_ca_list = atoi( q );
-            if( opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 1 )
+        } else if (strcmp(p, "cert_req_ca_list") == 0) {
+            opt.cert_req_ca_list = atoi(q);
+            if (opt.cert_req_ca_list < 0 || opt.cert_req_ca_list > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "max_frag_len" ) == 0 )
-        {
-            if( strcmp( q, "512" ) == 0 )
+        } else if (strcmp(p, "max_frag_len") == 0) {
+            if (strcmp(q, "512") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_512;
-            else if( strcmp( q, "1024" ) == 0 )
+            else if (strcmp(q, "1024") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_1024;
-            else if( strcmp( q, "2048" ) == 0 )
+            else if (strcmp(q, "2048") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_2048;
-            else if( strcmp( q, "4096" ) == 0 )
+            else if (strcmp(q, "4096") == 0)
                 opt.mfl_code = MBEDTLS_SSL_MAX_FRAG_LEN_4096;
             else
                 goto usage;
-        }
-        else if( strcmp( p, "alpn" ) == 0 )
-        {
+        } else if (strcmp(p, "alpn") == 0) {
             opt.alpn_string = q;
-        }
-        else if( strcmp( p, "trunc_hmac" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED; break;
-                case 1: opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED; break;
-                default: goto usage;
+        } else if (strcmp(p, "trunc_hmac") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_DISABLED;
+                    break;
+                case 1:
+                    opt.trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "extended_ms" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
+        } else if (strcmp(p, "extended_ms") == 0) {
+            switch (atoi(q)) {
                 case 0:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_DISABLED;
                     break;
                 case 1:
                     opt.extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
                     break;
-                default: goto usage;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "etm" ) == 0 )
-        {
-            switch( atoi( q ) )
-            {
-                case 0: opt.etm = MBEDTLS_SSL_ETM_DISABLED; break;
-                case 1: opt.etm = MBEDTLS_SSL_ETM_ENABLED; break;
-                default: goto usage;
+        } else if (strcmp(p, "etm") == 0) {
+            switch (atoi(q)) {
+                case 0:
+                    opt.etm = MBEDTLS_SSL_ETM_DISABLED;
+                    break;
+                case 1:
+                    opt.etm = MBEDTLS_SSL_ETM_ENABLED;
+                    break;
+                default:
+                    goto usage;
             }
-        }
-        else if( strcmp( p, "tickets" ) == 0 )
-        {
-            opt.tickets = atoi( q );
-            if( opt.tickets < 0 || opt.tickets > 1 )
+        } else if (strcmp(p, "tickets") == 0) {
+            opt.tickets = atoi(q);
+            if (opt.tickets < 0 || opt.tickets > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "ticket_timeout" ) == 0 )
-        {
-            opt.ticket_timeout = atoi( q );
-            if( opt.ticket_timeout < 0 )
+        } else if (strcmp(p, "ticket_timeout") == 0) {
+            opt.ticket_timeout = atoi(q);
+            if (opt.ticket_timeout < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "cache_max" ) == 0 )
-        {
-            opt.cache_max = atoi( q );
-            if( opt.cache_max < 0 )
+        } else if (strcmp(p, "cache_max") == 0) {
+            opt.cache_max = atoi(q);
+            if (opt.cache_max < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "cache_timeout" ) == 0 )
-        {
-            opt.cache_timeout = atoi( q );
-            if( opt.cache_timeout < 0 )
+        } else if (strcmp(p, "cache_timeout") == 0) {
+            opt.cache_timeout = atoi(q);
+            if (opt.cache_timeout < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "cookies" ) == 0 )
-        {
-            opt.cookies = atoi( q );
-            if( opt.cookies < -1 || opt.cookies > 1)
+        } else if (strcmp(p, "cookies") == 0) {
+            opt.cookies = atoi(q);
+            if (opt.cookies < -1 || opt.cookies > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "anti_replay" ) == 0 )
-        {
-            opt.anti_replay = atoi( q );
-            if( opt.anti_replay < 0 || opt.anti_replay > 1)
+        } else if (strcmp(p, "anti_replay") == 0) {
+            opt.anti_replay = atoi(q);
+            if (opt.anti_replay < 0 || opt.anti_replay > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "badmac_limit" ) == 0 )
-        {
-            opt.badmac_limit = atoi( q );
-            if( opt.badmac_limit < 0 )
+        } else if (strcmp(p, "badmac_limit") == 0) {
+            opt.badmac_limit = atoi(q);
+            if (opt.badmac_limit < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "hs_timeout" ) == 0 )
-        {
-            if( ( p = strchr( q, '-' ) ) == NULL )
+        } else if (strcmp(p, "hs_timeout") == 0) {
+            if ((p = strchr(q, '-')) == NULL)
                 goto usage;
             *p++ = '\0';
-            opt.hs_to_min = atoi( q );
-            opt.hs_to_max = atoi( p );
-            if( opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min )
+            opt.hs_to_min = atoi(q);
+            opt.hs_to_max = atoi(p);
+            if (opt.hs_to_min == 0 || opt.hs_to_max < opt.hs_to_min)
                 goto usage;
-        }
-        else if( strcmp( p, "mtu" ) == 0 )
-        {
-            opt.dtls_mtu = atoi( q );
-            if( opt.dtls_mtu < 0 )
+        } else if (strcmp(p, "mtu") == 0) {
+            opt.dtls_mtu = atoi(q);
+            if (opt.dtls_mtu < 0)
                 goto usage;
-        }
-        else if( strcmp( p, "dgram_packing" ) == 0 )
-        {
-            opt.dgram_packing = atoi( q );
-            if( opt.dgram_packing != 0 &&
-                opt.dgram_packing != 1 )
-            {
+        } else if (strcmp(p, "dgram_packing") == 0) {
+            opt.dgram_packing = atoi(q);
+            if (opt.dgram_packing != 0 && opt.dgram_packing != 1) {
                 goto usage;
             }
-        }
-        else if( strcmp( p, "sni" ) == 0 )
-        {
+        } else if (strcmp(p, "sni") == 0) {
             opt.sni = q;
-        }
-        else if( strcmp( p, "query_config" ) == 0 )
-        {
+        } else if (strcmp(p, "query_config") == 0) {
             opt.query_config_mode = 1;
-            query_config_ret = query_config( q );
+            query_config_ret = query_config(q);
             goto exit;
-        }
-        else if( strcmp( p, "serialize") == 0 )
-        {
-            opt.serialize = atoi( q );
-            if( opt.serialize < 0 || opt.serialize > 2)
+        } else if (strcmp(p, "serialize") == 0) {
+            opt.serialize = atoi(q);
+            if (opt.serialize < 0 || opt.serialize > 2)
                 goto usage;
-        }
-        else if( strcmp( p, "context_file") == 0 )
-        {
+        } else if (strcmp(p, "context_file") == 0) {
             opt.context_file = q;
-        }
-        else if( strcmp( p, "eap_tls" ) == 0 )
-        {
-            opt.eap_tls = atoi( q );
-            if( opt.eap_tls < 0 || opt.eap_tls > 1 )
+        } else if (strcmp(p, "eap_tls") == 0) {
+            opt.eap_tls = atoi(q);
+            if (opt.eap_tls < 0 || opt.eap_tls > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "reproducible" ) == 0 )
-        {
+        } else if (strcmp(p, "reproducible") == 0) {
             opt.reproducible = 1;
-        }
-        else if( strcmp( p, "nss_keylog" ) == 0 )
-        {
-            opt.nss_keylog = atoi( q );
-            if( opt.nss_keylog < 0 || opt.nss_keylog > 1 )
+        } else if (strcmp(p, "nss_keylog") == 0) {
+            opt.nss_keylog = atoi(q);
+            if (opt.nss_keylog < 0 || opt.nss_keylog > 1)
                 goto usage;
-        }
-        else if( strcmp( p, "nss_keylog_file" ) == 0 )
-        {
+        } else if (strcmp(p, "nss_keylog_file") == 0) {
             opt.nss_keylog_file = q;
-        }
-        else if( strcmp( p, "use_srtp" ) == 0 )
-        {
-            opt.use_srtp = atoi ( q );
-        }
-        else if( strcmp( p, "srtp_force_profile" ) == 0 )
-        {
-            opt.force_srtp_profile = atoi( q );
-        }
-        else if( strcmp( p, "support_mki" ) == 0 )
-        {
-            opt.support_mki = atoi( q );
-        }
-        else
+        } else if (strcmp(p, "use_srtp") == 0) {
+            opt.use_srtp = atoi(q);
+        } else if (strcmp(p, "srtp_force_profile") == 0) {
+            opt.force_srtp_profile = atoi(q);
+        } else if (strcmp(p, "support_mki") == 0) {
+            opt.support_mki = atoi(q);
+        } else
             goto usage;
     }
 
-    if( opt.nss_keylog != 0 && opt.eap_tls != 0 )
-    {
-        mbedtls_printf( "Error: eap_tls and nss_keylog options cannot be used together.\n" );
+    if (opt.nss_keylog != 0 && opt.eap_tls != 0) {
+        mbedtls_printf(
+            "Error: eap_tls and nss_keylog options cannot be used together.\n");
         goto usage;
     }
 
     /* Event-driven IO is incompatible with the above custom
      * receive and send functions, as the polling builds on
      * refers to the underlying net_context. */
-    if( opt.event == 1 && opt.nbio != 1 )
-    {
-        mbedtls_printf( "Warning: event-driven IO mandates nbio=1 - overwrite\n" );
+    if (opt.event == 1 && opt.nbio != 1) {
+        mbedtls_printf(
+            "Warning: event-driven IO mandates nbio=1 - overwrite\n");
         opt.nbio = 1;
     }
 
-#if defined(MBEDTLS_DEBUG_C)
-    mbedtls_debug_set_threshold( opt.debug_level );
-#endif
-    buf = mbedtls_calloc( 1, opt.buffer_size + 1 );
-    if( buf == NULL )
-    {
-        mbedtls_printf( "Could not allocate %u bytes\n", opt.buffer_size );
+#    if defined(MBEDTLS_DEBUG_C)
+    mbedtls_debug_set_threshold(opt.debug_level);
+#    endif
+    buf = mbedtls_calloc(1, opt.buffer_size + 1);
+    if (buf == NULL) {
+        mbedtls_printf("Could not allocate %u bytes\n", opt.buffer_size);
         ret = 3;
         goto exit;
     }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
-        if( strlen( opt.psk ) == 0 )
-        {
-            mbedtls_printf( "psk_opaque set but no psk to be imported specified.\n" );
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.psk_opaque != 0) {
+        if (strlen(opt.psk) == 0) {
+            mbedtls_printf(
+                "psk_opaque set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
 
-    if( opt.psk_list_opaque != 0 )
-    {
-        if( opt.psk_list == NULL )
-        {
-            mbedtls_printf( "psk_slot set but no psk to be imported specified.\n" );
+    if (opt.psk_list_opaque != 0) {
+        if (opt.psk_list == NULL) {
+            mbedtls_printf(
+                "psk_slot set but no psk to be imported specified.\n");
             ret = 2;
             goto usage;
         }
 
-        if( opt.force_ciphersuite[0] <= 0 )
-        {
-            mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+        if (opt.force_ciphersuite[0] <= 0) {
+            mbedtls_printf(
+                "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
             ret = 2;
             goto usage;
         }
     }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-    if( opt.force_ciphersuite[0] > 0 )
-    {
+    if (opt.force_ciphersuite[0] > 0) {
         const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
         ciphersuite_info =
-            mbedtls_ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
+            mbedtls_ssl_ciphersuite_from_id(opt.force_ciphersuite[0]);
 
-        if( opt.max_version != -1 &&
-            ciphersuite_info->min_minor_ver > opt.max_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.max_version != -1 &&
+            ciphersuite_info->min_minor_ver > opt.max_version) {
+            mbedtls_printf(
+                "forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
-        if( opt.min_version != -1 &&
-            ciphersuite_info->max_minor_ver < opt.min_version )
-        {
-            mbedtls_printf( "forced ciphersuite not allowed with this protocol version\n" );
+        if (opt.min_version != -1 &&
+            ciphersuite_info->max_minor_ver < opt.min_version) {
+            mbedtls_printf(
+                "forced ciphersuite not allowed with this protocol version\n");
             ret = 2;
             goto usage;
         }
 
         /* If we select a version that's not supported by
          * this suite, then there will be no common ciphersuite... */
-        if( opt.max_version == -1 ||
-            opt.max_version > ciphersuite_info->max_minor_ver )
-        {
+        if (opt.max_version == -1 ||
+            opt.max_version > ciphersuite_info->max_minor_ver) {
             opt.max_version = ciphersuite_info->max_minor_ver;
         }
-        if( opt.min_version < ciphersuite_info->min_minor_ver )
-        {
+        if (opt.min_version < ciphersuite_info->min_minor_ver) {
             opt.min_version = ciphersuite_info->min_minor_ver;
         }
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_opaque != 0 || opt.psk_list_opaque != 0 )
-        {
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+        if (opt.psk_opaque != 0 || opt.psk_list_opaque != 0) {
             /* Ensure that the chosen ciphersuite is PSK-only; we must know
              * the ciphersuite in advance to set the correct policy for the
              * PSK key slot. This limitation might go away in the future. */
-            if( ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
-                opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3 )
-            {
-                mbedtls_printf( "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n" );
+            if (ciphersuite_info->key_exchange != MBEDTLS_KEY_EXCHANGE_PSK ||
+                opt.min_version != MBEDTLS_SSL_MINOR_VERSION_3) {
+                mbedtls_printf(
+                    "opaque PSKs are only supported in conjunction with forcing TLS 1.2 and a PSK-only ciphersuite through the 'force_ciphersuite' option.\n");
                 ret = 2;
                 goto usage;
             }
 
             /* Determine KDF algorithm the opaque PSK will be used in. */
-#if defined(MBEDTLS_SHA384_C)
-            if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
+#        if defined(MBEDTLS_SHA384_C)
+            if (ciphersuite_info->mac == MBEDTLS_MD_SHA384)
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_384);
             else
-#endif /* MBEDTLS_SHA384_C */
+#        endif /* MBEDTLS_SHA384_C */
                 alg = PSA_ALG_TLS12_PSK_TO_MS(PSA_ALG_SHA_256);
         }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_USE_PSA_CRYPTO */
     }
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( mbedtls_test_unhexify( cid, sizeof( cid ),
-                               opt.cid_val, &cid_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid hex\n" );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (mbedtls_test_unhexify(cid, sizeof(cid), opt.cid_val, &cid_len) != 0) {
+        mbedtls_printf("CID not valid hex\n");
         goto exit;
     }
 
     /* Keep CID settings for renegotiation unless
      * specified otherwise. */
-    if( opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO )
+    if (opt.cid_enabled_renego == DFL_CID_ENABLED_RENEGO)
         opt.cid_enabled_renego = opt.cid_enabled;
-    if( opt.cid_val_renego == DFL_CID_VALUE_RENEGO )
+    if (opt.cid_val_renego == DFL_CID_VALUE_RENEGO)
         opt.cid_val_renego = opt.cid_val;
 
-    if( mbedtls_test_unhexify( cid_renego, sizeof( cid_renego ),
-                               opt.cid_val_renego, &cid_renego_len ) != 0 )
-    {
-        mbedtls_printf( "CID not valid hex\n" );
+    if (mbedtls_test_unhexify(cid_renego, sizeof(cid_renego),
+                              opt.cid_val_renego, &cid_renego_len) != 0) {
+        mbedtls_printf("CID not valid hex\n");
         goto exit;
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
     /*
      * Unhexify the pre-shared key and parse the list if any given
      */
-    if( mbedtls_test_unhexify( psk, sizeof( psk ),
-                               opt.psk, &psk_len ) != 0 )
-    {
-        mbedtls_printf( "pre-shared key not valid hex\n" );
+    if (mbedtls_test_unhexify(psk, sizeof(psk), opt.psk, &psk_len) != 0) {
+        mbedtls_printf("pre-shared key not valid hex\n");
         goto exit;
     }
 
-    if( opt.psk_list != NULL )
-    {
-        if( ( psk_info = psk_parse( opt.psk_list ) ) == NULL )
-        {
-            mbedtls_printf( "psk_list invalid" );
+    if (opt.psk_list != NULL) {
+        if ((psk_info = psk_parse(opt.psk_list)) == NULL) {
+            mbedtls_printf("psk_list invalid");
             goto exit;
         }
     }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED */
 
-#if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL )
-    {
-        p = (char *) opt.curves;
+#    if defined(MBEDTLS_ECP_C)
+    if (opt.curves != NULL) {
+        p = (char *)opt.curves;
         i = 0;
 
-        if( strcmp( p, "none" ) == 0 )
-        {
+        if (strcmp(p, "none") == 0) {
             curve_list[0] = MBEDTLS_ECP_DP_NONE;
-        }
-        else if( strcmp( p, "default" ) != 0 )
-        {
+        } else if (strcmp(p, "default") != 0) {
             /* Leave room for a final NULL in curve list */
-            while( i < CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
+            while (i < CURVE_LIST_SIZE - 1 && *p != '\0') {
                 q = p;
 
                 /* Terminate the current string */
-                while( *p != ',' && *p != '\0' )
+                while (*p != ',' && *p != '\0')
                     p++;
-                if( *p == ',' )
+                if (*p == ',')
                     *p++ = '\0';
 
-                if( ( curve_cur = mbedtls_ecp_curve_info_from_name( q ) ) != NULL )
-                {
+                if ((curve_cur = mbedtls_ecp_curve_info_from_name(q)) != NULL) {
                     curve_list[i++] = curve_cur->grp_id;
-                }
-                else
-                {
-                    mbedtls_printf( "unknown curve %s\n", q );
-                    mbedtls_printf( "supported curves: " );
-                    for( curve_cur = mbedtls_ecp_curve_list();
+                } else {
+                    mbedtls_printf("unknown curve %s\n", q);
+                    mbedtls_printf("supported curves: ");
+                    for (curve_cur = mbedtls_ecp_curve_list();
                          curve_cur->grp_id != MBEDTLS_ECP_DP_NONE;
-                         curve_cur++ )
-                    {
-                        mbedtls_printf( "%s ", curve_cur->name );
+                         curve_cur++) {
+                        mbedtls_printf("%s ", curve_cur->name);
                     }
-                    mbedtls_printf( "\n" );
+                    mbedtls_printf("\n");
                     goto exit;
                 }
             }
 
-            mbedtls_printf("Number of curves: %d\n", i );
+            mbedtls_printf("Number of curves: %d\n", i);
 
-            if( i == CURVE_LIST_SIZE - 1 && *p != '\0' )
-            {
-                mbedtls_printf( "curves list too long, maximum %d",
-                                CURVE_LIST_SIZE - 1  );
+            if (i == CURVE_LIST_SIZE - 1 && *p != '\0') {
+                mbedtls_printf("curves list too long, maximum %d",
+                               CURVE_LIST_SIZE - 1);
                 goto exit;
             }
 
             curve_list[i] = MBEDTLS_ECP_DP_NONE;
         }
     }
-#endif /* MBEDTLS_ECP_C */
+#    endif /* MBEDTLS_ECP_C */
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        p = (char *) opt.alpn_string;
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL) {
+        p = (char *)opt.alpn_string;
         i = 0;
 
         /* Leave room for a final NULL in alpn_list */
-        while( i < ALPN_LIST_SIZE - 1 && *p != '\0' )
-        {
+        while (i < ALPN_LIST_SIZE - 1 && *p != '\0') {
             alpn_list[i++] = p;
 
             /* Terminate the current string and move on to next one */
-            while( *p != ',' && *p != '\0' )
+            while (*p != ',' && *p != '\0')
                 p++;
-            if( *p == ',' )
+            if (*p == ',')
                 *p++ = '\0';
         }
     }
-#endif /* MBEDTLS_SSL_ALPN */
+#    endif /* MBEDTLS_SSL_ALPN */
 
     /*
      * 0. Initialize the RNG and the session data
      */
-    mbedtls_printf( "\n  . Seeding the random number generator..." );
-    fflush( stdout );
+    mbedtls_printf("\n  . Seeding the random number generator...");
+    fflush(stdout);
 
-    ret = rng_seed( &rng, opt.reproducible, pers );
-    if( ret != 0 )
+    ret = rng_seed(&rng, opt.reproducible, pers);
+    if (ret != 0)
         goto exit;
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 1.1. Load the trusted CA
      */
-    mbedtls_printf( "  . Loading the CA root certificate ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the CA root certificate ...");
+    fflush(stdout);
 
-    if( strcmp( opt.ca_path, "none" ) == 0 ||
-        strcmp( opt.ca_file, "none" ) == 0 )
-    {
+    if (strcmp(opt.ca_path, "none") == 0 || strcmp(opt.ca_file, "none") == 0) {
         ret = 0;
-    }
+    } else
+#        if defined(MBEDTLS_FS_IO)
+        if (strlen(opt.ca_path))
+        ret = mbedtls_x509_crt_parse_path(&cacert, opt.ca_path);
+    else if (strlen(opt.ca_file))
+        ret = mbedtls_x509_crt_parse_file(&cacert, opt.ca_file);
     else
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.ca_path ) )
-        ret = mbedtls_x509_crt_parse_path( &cacert, opt.ca_path );
-    else if( strlen( opt.ca_file ) )
-        ret = mbedtls_x509_crt_parse_file( &cacert, opt.ca_file );
-    else
-#endif
+#        endif
     {
-#if defined(MBEDTLS_PEM_PARSE_C)
-        for( i = 0; mbedtls_test_cas[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse( &cacert,
-                                  (const unsigned char *) mbedtls_test_cas[i],
-                                  mbedtls_test_cas_len[i] );
-            if( ret != 0 )
+#        if defined(MBEDTLS_PEM_PARSE_C)
+        for (i = 0; mbedtls_test_cas[i] != NULL; i++) {
+            ret = mbedtls_x509_crt_parse(
+                &cacert, (const unsigned char *)mbedtls_test_cas[i],
+                mbedtls_test_cas_len[i]);
+            if (ret != 0)
                 break;
         }
-        if( ret == 0 )
-#endif /* MBEDTLS_PEM_PARSE_C */
-        for( i = 0; mbedtls_test_cas_der[i] != NULL; i++ )
-        {
-            ret = mbedtls_x509_crt_parse_der( &cacert,
-                         (const unsigned char *) mbedtls_test_cas_der[i],
-                         mbedtls_test_cas_der_len[i] );
-            if( ret != 0 )
-                break;
-        }
+        if (ret == 0)
+#        endif /* MBEDTLS_PEM_PARSE_C */
+            for (i = 0; mbedtls_test_cas_der[i] != NULL; i++) {
+                ret = mbedtls_x509_crt_parse_der(
+                    &cacert, (const unsigned char *)mbedtls_test_cas_der[i],
+                    mbedtls_test_cas_der_len[i]);
+                if (ret != 0)
+                    break;
+            }
     }
-    if( ret < 0 )
-    {
-        mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
+    if (ret < 0) {
+        mbedtls_printf(
+            " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok (%d skipped)\n", ret );
+    mbedtls_printf(" ok (%d skipped)\n", ret);
 
     /*
      * 1.2. Load own certificate and private key
      */
-    mbedtls_printf( "  . Loading the server cert. and key..." );
-    fflush( stdout );
+    mbedtls_printf("  . Loading the server cert. and key...");
+    fflush(stdout);
 
-#if defined(MBEDTLS_FS_IO)
-    if( strlen( opt.crt_file ) && strcmp( opt.crt_file, "none" ) != 0 )
-    {
+#        if defined(MBEDTLS_FS_IO)
+    if (strlen(opt.crt_file) && strcmp(opt.crt_file, "none") != 0) {
         key_cert_init++;
-        if( ( ret = mbedtls_x509_crt_parse_file( &srvcert, opt.crt_file ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n",
-                    (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse_file(&srvcert, opt.crt_file)) != 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_x509_crt_parse_file returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-    if( strlen( opt.key_file ) && strcmp( opt.key_file, "none" ) != 0 )
-    {
+    if (strlen(opt.key_file) && strcmp(opt.key_file, "none") != 0) {
         key_cert_init++;
-        if( ( ret = mbedtls_pk_parse_keyfile( &pkey, opt.key_file,
-                                              opt.key_pwd, rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile returned -0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_keyfile(&pkey, opt.key_file, opt.key_pwd,
+                                            rng_get, &rng)) != 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_pk_parse_keyfile returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-    if( key_cert_init == 1 )
-    {
-        mbedtls_printf( " failed\n  !  crt_file without key_file or vice-versa\n\n" );
+    if (key_cert_init == 1) {
+        mbedtls_printf(
+            " failed\n  !  crt_file without key_file or vice-versa\n\n");
         goto exit;
     }
 
-    if( strlen( opt.crt_file2 ) && strcmp( opt.crt_file2, "none" ) != 0 )
-    {
+    if (strlen(opt.crt_file2) && strcmp(opt.crt_file2, "none") != 0) {
         key_cert_init2++;
-        if( ( ret = mbedtls_x509_crt_parse_file( &srvcert2, opt.crt_file2 ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
-                    (unsigned int) -ret );
+        if ((ret = mbedtls_x509_crt_parse_file(&srvcert2, opt.crt_file2)) !=
+            0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_x509_crt_parse_file(2) returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-    if( strlen( opt.key_file2 ) && strcmp( opt.key_file2, "none" ) != 0 )
-    {
+    if (strlen(opt.key_file2) && strcmp(opt.key_file2, "none") != 0) {
         key_cert_init2++;
-        if( ( ret = mbedtls_pk_parse_keyfile( &pkey2, opt.key_file2,
-                                              opt.key_pwd2, rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_keyfile(&pkey2, opt.key_file2, opt.key_pwd2,
+                                            rng_get, &rng)) != 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_pk_parse_keyfile(2) returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-    if( key_cert_init2 == 1 )
-    {
-        mbedtls_printf( " failed\n  !  crt_file2 without key_file2 or vice-versa\n\n" );
+    if (key_cert_init2 == 1) {
+        mbedtls_printf(
+            " failed\n  !  crt_file2 without key_file2 or vice-versa\n\n");
         goto exit;
     }
-#endif
-    if( key_cert_init == 0 &&
-        strcmp( opt.crt_file, "none" ) != 0 &&
-        strcmp( opt.key_file, "none" ) != 0 &&
-        key_cert_init2 == 0 &&
-        strcmp( opt.crt_file2, "none" ) != 0 &&
-        strcmp( opt.key_file2, "none" ) != 0 )
-    {
-#if defined(MBEDTLS_RSA_C)
-        if( ( ret = mbedtls_x509_crt_parse( &srvcert,
-                                    (const unsigned char *) mbedtls_test_srv_crt_rsa,
-                                    mbedtls_test_srv_crt_rsa_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
-                            (unsigned int) -ret );
+#        endif
+    if (key_cert_init == 0 && strcmp(opt.crt_file, "none") != 0 &&
+        strcmp(opt.key_file, "none") != 0 && key_cert_init2 == 0 &&
+        strcmp(opt.crt_file2, "none") != 0 &&
+        strcmp(opt.key_file2, "none") != 0) {
+#        if defined(MBEDTLS_RSA_C)
+        if ((ret = mbedtls_x509_crt_parse(
+                 &srvcert, (const unsigned char *)mbedtls_test_srv_crt_rsa,
+                 mbedtls_test_srv_crt_rsa_len)) != 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_x509_crt_parse returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
-        if( ( ret = mbedtls_pk_parse_key( &pkey,
-                                  (const unsigned char *) mbedtls_test_srv_key_rsa,
-                                  mbedtls_test_srv_key_rsa_len, NULL, 0,
-                                  rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_key(
+                 &pkey, (const unsigned char *)mbedtls_test_srv_key_rsa,
+                 mbedtls_test_srv_key_rsa_len, NULL, 0, rng_get, &rng)) != 0) {
+            mbedtls_printf(
+                " failed\n  !  mbedtls_pk_parse_key returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
         key_cert_init = 2;
-#endif /* MBEDTLS_RSA_C */
-#if defined(MBEDTLS_ECDSA_C)
-        if( ( ret = mbedtls_x509_crt_parse( &srvcert2,
-                                    (const unsigned char *) mbedtls_test_srv_crt_ec,
-                                    mbedtls_test_srv_crt_ec_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  x509_crt_parse2 returned -0x%x\n\n",
-                            (unsigned int) -ret );
+#        endif /* MBEDTLS_RSA_C */
+#        if defined(MBEDTLS_ECDSA_C)
+        if ((ret = mbedtls_x509_crt_parse(
+                 &srvcert2, (const unsigned char *)mbedtls_test_srv_crt_ec,
+                 mbedtls_test_srv_crt_ec_len)) != 0) {
+            mbedtls_printf(" failed\n  !  x509_crt_parse2 returned -0x%x\n\n",
+                           (unsigned int)-ret);
             goto exit;
         }
-        if( ( ret = mbedtls_pk_parse_key( &pkey2,
-                                  (const unsigned char *) mbedtls_test_srv_key_ec,
-                                  mbedtls_test_srv_key_ec_len, NULL, 0,
-                                  rng_get, &rng ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  !  pk_parse_key2 returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_pk_parse_key(
+                 &pkey2, (const unsigned char *)mbedtls_test_srv_key_ec,
+                 mbedtls_test_srv_key_ec_len, NULL, 0, rng_get, &rng)) != 0) {
+            mbedtls_printf(" failed\n  !  pk_parse_key2 returned -0x%x\n\n",
+                           (unsigned int)-ret);
             goto exit;
         }
         key_cert_init2 = 2;
-#endif /* MBEDTLS_ECDSA_C */
+#        endif /* MBEDTLS_ECDSA_C */
     }
 
-    mbedtls_printf( " ok\n" );
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+    mbedtls_printf(" ok\n");
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    if( opt.dhm_file != NULL )
-    {
-        mbedtls_printf( "  . Loading DHM parameters..." );
-        fflush( stdout );
+#    if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+    if (opt.dhm_file != NULL) {
+        mbedtls_printf("  . Loading DHM parameters...");
+        fflush(stdout);
 
-        if( ( ret = mbedtls_dhm_parse_dhmfile( &dhm, opt.dhm_file ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
-                     (unsigned int) -ret );
+        if ((ret = mbedtls_dhm_parse_dhmfile(&dhm, opt.dhm_file)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_dhm_parse_dhmfile returned -0x%04X\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif
+#    endif
 
-#if defined(SNI_OPTION)
-    if( opt.sni != NULL )
-    {
-        mbedtls_printf( "  . Setting up SNI information..." );
-        fflush( stdout );
+#    if defined(SNI_OPTION)
+    if (opt.sni != NULL) {
+        mbedtls_printf("  . Setting up SNI information...");
+        fflush(stdout);
 
-        if( ( sni_info = sni_parse( opt.sni ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n" );
+        if ((sni_info = sni_parse(opt.sni)) == NULL) {
+            mbedtls_printf(" failed\n");
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif /* SNI_OPTION */
+#    endif /* SNI_OPTION */
 
     /*
      * 2. Setup the listening TCP socket
      */
-    mbedtls_printf( "  . Bind on %s://%s:%s/ ...",
-            opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" : "udp",
-            opt.server_addr ? opt.server_addr : "*",
-            opt.server_port );
-    fflush( stdout );
+    mbedtls_printf("  . Bind on %s://%s:%s/ ...",
+                   opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ? "tcp" :
+                                                                   "udp",
+                   opt.server_addr ? opt.server_addr : "*", opt.server_port);
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_bind( &listen_fd, opt.server_addr, opt.server_port,
-                          opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
-                          MBEDTLS_NET_PROTO_TCP : MBEDTLS_NET_PROTO_UDP ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_net_bind returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_net_bind(&listen_fd, opt.server_addr, opt.server_port,
+                                opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM ?
+                                    MBEDTLS_NET_PROTO_TCP :
+                                    MBEDTLS_NET_PROTO_UDP)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_net_bind returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 3. Setup stuff
      */
-    mbedtls_printf( "  . Setting up the SSL/TLS structure..." );
-    fflush( stdout );
+    mbedtls_printf("  . Setting up the SSL/TLS structure...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_ssl_config_defaults( &conf,
-                    MBEDTLS_SSL_IS_SERVER,
-                    opt.transport,
-                    MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_config_defaults(&conf, MBEDTLS_SSL_IS_SERVER,
+                                           opt.transport,
+                                           MBEDTLS_SSL_PRESET_DEFAULT)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_config_defaults returned -0x%x\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /* The default algorithms profile disables SHA-1, but our tests still
        rely on it heavily. Hence we allow it here. A real-world server
        should use the default profile unless there is a good reason not to. */
-    if( opt.allow_sha1 > 0 )
-    {
-        crt_profile_for_test.allowed_mds |= MBEDTLS_X509_ID_FLAG( MBEDTLS_MD_SHA1 );
-        mbedtls_ssl_conf_cert_profile( &conf, &crt_profile_for_test );
-        mbedtls_ssl_conf_sig_hashes( &conf, ssl_sig_hashes_for_test );
+    if (opt.allow_sha1 > 0) {
+        crt_profile_for_test.allowed_mds |=
+            MBEDTLS_X509_ID_FLAG(MBEDTLS_MD_SHA1);
+        mbedtls_ssl_conf_cert_profile(&conf, &crt_profile_for_test);
+        mbedtls_ssl_conf_sig_hashes(&conf, ssl_sig_hashes_for_test);
     }
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-    if( opt.auth_mode != DFL_AUTH_MODE )
-        mbedtls_ssl_conf_authmode( &conf, opt.auth_mode );
+    if (opt.auth_mode != DFL_AUTH_MODE)
+        mbedtls_ssl_conf_authmode(&conf, opt.auth_mode);
 
-    if( opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST )
-        mbedtls_ssl_conf_cert_req_ca_list( &conf, opt.cert_req_ca_list );
+    if (opt.cert_req_ca_list != DFL_CERT_REQ_CA_LIST)
+        mbedtls_ssl_conf_cert_req_ca_list(&conf, opt.cert_req_ca_list);
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX )
-        mbedtls_ssl_conf_handshake_timeout( &conf, opt.hs_to_min, opt.hs_to_max );
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if (opt.hs_to_min != DFL_HS_TO_MIN || opt.hs_to_max != DFL_HS_TO_MAX)
+        mbedtls_ssl_conf_handshake_timeout(&conf, opt.hs_to_min, opt.hs_to_max);
 
-    if( opt.dgram_packing != DFL_DGRAM_PACKING )
-        mbedtls_ssl_set_datagram_packing( &ssl, opt.dgram_packing );
-#endif /* MBEDTLS_SSL_PROTO_DTLS */
+    if (opt.dgram_packing != DFL_DGRAM_PACKING)
+        mbedtls_ssl_set_datagram_packing(&ssl, opt.dgram_packing);
+#    endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    if( ( ret = mbedtls_ssl_conf_max_frag_len( &conf, opt.mfl_code ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret );
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    if ((ret = mbedtls_ssl_conf_max_frag_len(&conf, opt.mfl_code)) != 0) {
+        mbedtls_printf(
+            " failed\n  ! mbedtls_ssl_conf_max_frag_len returned %d\n\n", ret);
         goto exit;
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.cid_enabled == 1 || opt.cid_enabled_renego == 1 )
-    {
-        if( opt.cid_enabled == 1        &&
-            opt.cid_enabled_renego == 1 &&
-            cid_len != cid_renego_len )
-        {
-            mbedtls_printf( "CID length must not change during renegotiation\n" );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (opt.cid_enabled == 1 || opt.cid_enabled_renego == 1) {
+        if (opt.cid_enabled == 1 && opt.cid_enabled_renego == 1 &&
+            cid_len != cid_renego_len) {
+            mbedtls_printf("CID length must not change during renegotiation\n");
             goto usage;
         }
 
-        if( opt.cid_enabled == 1 )
-            ret = mbedtls_ssl_conf_cid( &conf, cid_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+        if (opt.cid_enabled == 1)
+            ret = mbedtls_ssl_conf_cid(&conf, cid_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
         else
-            ret = mbedtls_ssl_conf_cid( &conf, cid_renego_len,
-                                        MBEDTLS_SSL_UNEXPECTED_CID_IGNORE );
+            ret = mbedtls_ssl_conf_cid(&conf, cid_renego_len,
+                                       MBEDTLS_SSL_UNEXPECTED_CID_IGNORE);
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
-                            (unsigned int) -ret );
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_cid_len returned -%#04x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_SSL_DTLS_SRTP)
-    const mbedtls_ssl_srtp_profile forced_profile[] = { opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET };
-    if( opt.use_srtp == 1 )
-    {
-        if( opt.force_srtp_profile != 0 )
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, forced_profile );
-        }
-        else
-        {
-            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles( &conf, default_profiles );
+#    if defined(MBEDTLS_SSL_DTLS_SRTP)
+    const mbedtls_ssl_srtp_profile forced_profile[] = {
+        opt.force_srtp_profile, MBEDTLS_TLS_SRTP_UNSET
+    };
+    if (opt.use_srtp == 1) {
+        if (opt.force_srtp_profile != 0) {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(
+                &conf, forced_profile);
+        } else {
+            ret = mbedtls_ssl_conf_dtls_srtp_protection_profiles(
+                &conf, default_profiles);
         }
 
-        if( ret != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n", ret );
+        if (ret != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_dtls_srtp_protection_profiles returned %d\n\n",
+                ret);
             goto exit;
         }
 
-        mbedtls_ssl_conf_srtp_mki_value_supported( &conf,
-                                                   opt.support_mki ?
-                                                   MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
-                                                   MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED );
+        mbedtls_ssl_conf_srtp_mki_value_supported(
+            &conf, opt.support_mki ? MBEDTLS_SSL_DTLS_SRTP_MKI_SUPPORTED :
+                                     MBEDTLS_SSL_DTLS_SRTP_MKI_UNSUPPORTED);
 
-    }
-    else if( opt.force_srtp_profile != 0 )
-    {
-        mbedtls_printf( " failed\n  ! must enable use_srtp to force srtp profile\n\n" );
+    } else if (opt.force_srtp_profile != 0) {
+        mbedtls_printf(
+            " failed\n  ! must enable use_srtp to force srtp profile\n\n");
         goto exit;
     }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
-    if( opt.extended_ms != DFL_EXTENDED_MS )
-        mbedtls_ssl_conf_extended_master_secret( &conf, opt.extended_ms );
-#endif
+#    if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+    if (opt.extended_ms != DFL_EXTENDED_MS)
+        mbedtls_ssl_conf_extended_master_secret(&conf, opt.extended_ms);
+#    endif
 
-#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
-    if( opt.etm != DFL_ETM )
-        mbedtls_ssl_conf_encrypt_then_mac( &conf, opt.etm );
-#endif
+#    if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+    if (opt.etm != DFL_ETM)
+        mbedtls_ssl_conf_encrypt_then_mac(&conf, opt.etm);
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-        if( ( ret = mbedtls_ssl_conf_alpn_protocols( &conf, alpn_list ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n", ret );
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL)
+        if ((ret = mbedtls_ssl_conf_alpn_protocols(&conf, alpn_list)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_alpn_protocols returned %d\n\n",
+                ret);
             goto exit;
         }
-#endif
+#    endif
 
-    if (opt.reproducible)
-    {
-#if defined(MBEDTLS_HAVE_TIME)
-#if defined(MBEDTLS_PLATFORM_TIME_ALT)
-        mbedtls_platform_set_time( dummy_constant_time );
-#else
-        fprintf( stderr, "Warning: reproducible option used without constant time\n" );
-#endif
-#endif  /* MBEDTLS_HAVE_TIME */
+    if (opt.reproducible) {
+#    if defined(MBEDTLS_HAVE_TIME)
+#        if defined(MBEDTLS_PLATFORM_TIME_ALT)
+        mbedtls_platform_set_time(dummy_constant_time);
+#        else
+        fprintf(stderr,
+                "Warning: reproducible option used without constant time\n");
+#        endif
+#    endif /* MBEDTLS_HAVE_TIME */
     }
-    mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
-    mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
+    mbedtls_ssl_conf_rng(&conf, rng_get, &rng);
+    mbedtls_ssl_conf_dbg(&conf, my_debug, stdout);
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-    if( opt.cache_max != -1 )
-        mbedtls_ssl_cache_set_max_entries( &cache, opt.cache_max );
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    if (opt.cache_max != -1)
+        mbedtls_ssl_cache_set_max_entries(&cache, opt.cache_max);
 
-    if( opt.cache_timeout != -1 )
-        mbedtls_ssl_cache_set_timeout( &cache, opt.cache_timeout );
+    if (opt.cache_timeout != -1)
+        mbedtls_ssl_cache_set_timeout(&cache, opt.cache_timeout);
 
-    mbedtls_ssl_conf_session_cache( &conf, &cache,
-                                   mbedtls_ssl_cache_get,
-                                   mbedtls_ssl_cache_set );
-#endif
+    mbedtls_ssl_conf_session_cache(&conf, &cache, mbedtls_ssl_cache_get,
+                                   mbedtls_ssl_cache_set);
+#    endif
 
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    if( opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED )
-    {
-        if( ( ret = mbedtls_ssl_ticket_setup( &ticket_ctx,
-                        rng_get, &rng,
-                        MBEDTLS_CIPHER_AES_256_GCM,
-                        opt.ticket_timeout ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_ticket_setup returned %d\n\n", ret );
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    if (opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED) {
+        if ((ret = mbedtls_ssl_ticket_setup(&ticket_ctx, rng_get, &rng,
+                                            MBEDTLS_CIPHER_AES_256_GCM,
+                                            opt.ticket_timeout)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_ticket_setup returned %d\n\n", ret);
             goto exit;
         }
 
-        mbedtls_ssl_conf_session_tickets_cb( &conf,
-                mbedtls_ssl_ticket_write,
-                mbedtls_ssl_ticket_parse,
-                &ticket_ctx );
+        mbedtls_ssl_conf_session_tickets_cb(&conf, mbedtls_ssl_ticket_write,
+                                            mbedtls_ssl_ticket_parse,
+                                            &ticket_ctx);
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-#if defined(MBEDTLS_SSL_COOKIE_C)
-        if( opt.cookies > 0 )
-        {
-            if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
-                                                  rng_get, &rng ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+#        if defined(MBEDTLS_SSL_COOKIE_C)
+        if (opt.cookies > 0) {
+            if ((ret = mbedtls_ssl_cookie_setup(&cookie_ctx, rng_get, &rng)) !=
+                0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_cookie_setup returned %d\n\n",
+                    ret);
                 goto exit;
             }
 
-            mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check,
-                                       &cookie_ctx );
-        }
-        else
-#endif /* MBEDTLS_SSL_COOKIE_C */
-#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-        if( opt.cookies == 0 )
-        {
-            mbedtls_ssl_conf_dtls_cookies( &conf, NULL, NULL, NULL );
-        }
-        else
-#endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
+            mbedtls_ssl_conf_dtls_cookies(&conf, mbedtls_ssl_cookie_write,
+                                          mbedtls_ssl_cookie_check,
+                                          &cookie_ctx);
+        } else
+#        endif /* MBEDTLS_SSL_COOKIE_C */
+#        if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+            if (opt.cookies == 0) {
+            mbedtls_ssl_conf_dtls_cookies(&conf, NULL, NULL, NULL);
+        } else
+#        endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
         {
             ; /* Nothing to do */
         }
 
-#if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
-        if( opt.anti_replay != DFL_ANTI_REPLAY )
-            mbedtls_ssl_conf_dtls_anti_replay( &conf, opt.anti_replay );
-#endif
+#        if defined(MBEDTLS_SSL_DTLS_ANTI_REPLAY)
+        if (opt.anti_replay != DFL_ANTI_REPLAY)
+            mbedtls_ssl_conf_dtls_anti_replay(&conf, opt.anti_replay);
+#        endif
 
-        if( opt.badmac_limit != DFL_BADMAC_LIMIT )
-            mbedtls_ssl_conf_dtls_badmac_limit( &conf, opt.badmac_limit );
+        if (opt.badmac_limit != DFL_BADMAC_LIMIT)
+            mbedtls_ssl_conf_dtls_badmac_limit(&conf, opt.badmac_limit);
     }
-#endif /* MBEDTLS_SSL_PROTO_DTLS */
+#    endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-    if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
-        mbedtls_ssl_conf_ciphersuites( &conf, opt.force_ciphersuite );
+    if (opt.force_ciphersuite[0] != DFL_FORCE_CIPHER)
+        mbedtls_ssl_conf_ciphersuites(&conf, opt.force_ciphersuite);
 
-    if( opt.allow_legacy != DFL_ALLOW_LEGACY )
-        mbedtls_ssl_conf_legacy_renegotiation( &conf, opt.allow_legacy );
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-    mbedtls_ssl_conf_renegotiation( &conf, opt.renegotiation );
+    if (opt.allow_legacy != DFL_ALLOW_LEGACY)
+        mbedtls_ssl_conf_legacy_renegotiation(&conf, opt.allow_legacy);
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+    mbedtls_ssl_conf_renegotiation(&conf, opt.renegotiation);
 
-    if( opt.renego_delay != DFL_RENEGO_DELAY )
-        mbedtls_ssl_conf_renegotiation_enforced( &conf, opt.renego_delay );
+    if (opt.renego_delay != DFL_RENEGO_DELAY)
+        mbedtls_ssl_conf_renegotiation_enforced(&conf, opt.renego_delay);
 
-    if( opt.renego_period != DFL_RENEGO_PERIOD )
-    {
-        PUT_UINT64_BE( renego_period, opt.renego_period, 0 );
-        mbedtls_ssl_conf_renegotiation_period( &conf, renego_period );
+    if (opt.renego_period != DFL_RENEGO_PERIOD) {
+        PUT_UINT64_BE(renego_period, opt.renego_period, 0);
+        mbedtls_ssl_conf_renegotiation_period(&conf, renego_period);
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    if( strcmp( opt.ca_path, "none" ) != 0 &&
-        strcmp( opt.ca_file, "none" ) != 0 )
-    {
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-        if( opt.ca_callback != 0 )
-            mbedtls_ssl_conf_ca_cb( &conf, ca_callback, &cacert);
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    if (strcmp(opt.ca_path, "none") != 0 && strcmp(opt.ca_file, "none") != 0) {
+#        if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+        if (opt.ca_callback != 0)
+            mbedtls_ssl_conf_ca_cb(&conf, ca_callback, &cacert);
         else
-#endif
-            mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
+#        endif
+            mbedtls_ssl_conf_ca_chain(&conf, &cacert, NULL);
     }
-    if( key_cert_init )
-    {
+    if (key_cert_init) {
         mbedtls_pk_context *pk = &pkey;
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay1 >= 0 )
-        {
-            ret = ssl_async_set_key( &ssl_async_keys, &srvcert, pk, 0,
-                                     opt.async_private_delay1 );
-            if( ret < 0 )
-            {
-                mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                ret );
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        if (opt.async_private_delay1 >= 0) {
+            ret = ssl_async_set_key(&ssl_async_keys, &srvcert, pk, 0,
+                                    opt.async_private_delay1);
+            if (ret < 0) {
+                mbedtls_printf("  Test error: ssl_async_set_key failed (%d)\n",
+                               ret);
                 goto exit;
             }
             pk = NULL;
         }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, pk ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+#        endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert, pk)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
             goto exit;
         }
     }
-    if( key_cert_init2 )
-    {
+    if (key_cert_init2) {
         mbedtls_pk_context *pk = &pkey2;
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay2 >= 0 )
-        {
-            ret = ssl_async_set_key( &ssl_async_keys, &srvcert2, pk, 0,
-                                     opt.async_private_delay2 );
-            if( ret < 0 )
-            {
-                mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                ret );
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        if (opt.async_private_delay2 >= 0) {
+            ret = ssl_async_set_key(&ssl_async_keys, &srvcert2, pk, 0,
+                                    opt.async_private_delay2);
+            if (ret < 0) {
+                mbedtls_printf("  Test error: ssl_async_set_key failed (%d)\n",
+                               ret);
                 goto exit;
             }
             pk = NULL;
         }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-        if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert2, pk ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
+#        endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+        if ((ret = mbedtls_ssl_conf_own_cert(&conf, &srvcert2, pk)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret);
             goto exit;
         }
     }
 
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    if( opt.async_operations[0] != '-' )
-    {
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+    if (opt.async_operations[0] != '-') {
         mbedtls_ssl_async_sign_t *sign = NULL;
         mbedtls_ssl_async_decrypt_t *decrypt = NULL;
         const char *r;
-        for( r = opt.async_operations; *r; r++ )
-        {
-            switch( *r )
-            {
-            case 'd':
-                decrypt = ssl_async_decrypt;
-                break;
-            case 's':
-                sign = ssl_async_sign;
-                break;
+        for (r = opt.async_operations; *r; r++) {
+            switch (*r) {
+                case 'd':
+                    decrypt = ssl_async_decrypt;
+                    break;
+                case 's':
+                    sign = ssl_async_sign;
+                    break;
             }
         }
-        ssl_async_keys.inject_error = ( opt.async_private_error < 0 ?
-                                        - opt.async_private_error :
-                                        opt.async_private_error );
+        ssl_async_keys.inject_error = (opt.async_private_error < 0 ?
+                                           -opt.async_private_error :
+                                           opt.async_private_error);
         ssl_async_keys.f_rng = rng_get;
         ssl_async_keys.p_rng = &rng;
-        mbedtls_ssl_conf_async_private_cb( &conf,
-                                           sign,
-                                           decrypt,
-                                           ssl_async_resume,
-                                           ssl_async_cancel,
-                                           &ssl_async_keys );
+        mbedtls_ssl_conf_async_private_cb(&conf, sign, decrypt,
+                                          ssl_async_resume, ssl_async_cancel,
+                                          &ssl_async_keys);
     }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#        endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(SNI_OPTION)
-    if( opt.sni != NULL )
-    {
-        mbedtls_ssl_conf_sni( &conf, sni_callback, sni_info );
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_delay2 >= 0 )
-        {
+#    if defined(SNI_OPTION)
+    if (opt.sni != NULL) {
+        mbedtls_ssl_conf_sni(&conf, sni_callback, sni_info);
+#        if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        if (opt.async_private_delay2 >= 0) {
             sni_entry *cur;
-            for( cur = sni_info; cur != NULL; cur = cur->next )
-            {
-                ret = ssl_async_set_key( &ssl_async_keys,
-                                         cur->cert, cur->key, 1,
-                                         opt.async_private_delay2 );
-                if( ret < 0 )
-                {
-                    mbedtls_printf( "  Test error: ssl_async_set_key failed (%d)\n",
-                                    ret );
+            for (cur = sni_info; cur != NULL; cur = cur->next) {
+                ret = ssl_async_set_key(&ssl_async_keys, cur->cert, cur->key, 1,
+                                        opt.async_private_delay2);
+                if (ret < 0) {
+                    mbedtls_printf(
+                        "  Test error: ssl_async_set_key failed (%d)\n", ret);
                     goto exit;
                 }
                 cur->key = NULL;
             }
         }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#        endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_ECP_C)
-    if( opt.curves != NULL &&
-        strcmp( opt.curves, "default" ) != 0 )
-    {
-        mbedtls_ssl_conf_curves( &conf, curve_list );
+#    if defined(MBEDTLS_ECP_C)
+    if (opt.curves != NULL && strcmp(opt.curves, "default") != 0) {
+        mbedtls_ssl_conf_curves(&conf, curve_list);
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
 
-    if( strlen( opt.psk ) != 0 && strlen( opt.psk_identity ) != 0 )
-    {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_opaque != 0 )
-        {
+    if (strlen(opt.psk) != 0 && strlen(opt.psk_identity) != 0) {
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+        if (opt.psk_opaque != 0) {
             /* The algorithm has already been determined earlier. */
-            status = psa_setup_psk_key_slot( &psk_slot, alg, psk, psk_len );
-            if( status != PSA_SUCCESS )
-            {
-                fprintf( stderr, "SETUP FAIL\n" );
+            status = psa_setup_psk_key_slot(&psk_slot, alg, psk, psk_len);
+            if (status != PSA_SUCCESS) {
+                fprintf(stderr, "SETUP FAIL\n");
                 ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
                 goto exit;
             }
-            if( ( ret = mbedtls_ssl_conf_psk_opaque( &conf, psk_slot,
-                             (const unsigned char *) opt.psk_identity,
-                             strlen( opt.psk_identity ) ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
-                                ret );
+            if ((ret = mbedtls_ssl_conf_psk_opaque(
+                     &conf, psk_slot, (const unsigned char *)opt.psk_identity,
+                     strlen(opt.psk_identity))) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_conf_psk_opaque returned %d\n\n",
+                    ret);
                 goto exit;
             }
-        }
-        else
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
-        if( psk_len > 0 )
-        {
-            ret = mbedtls_ssl_conf_psk( &conf, psk, psk_len,
-                                     (const unsigned char *) opt.psk_identity,
-                                     strlen( opt.psk_identity ) );
-            if( ret != 0 )
-            {
-                mbedtls_printf( "  failed\n  mbedtls_ssl_conf_psk returned -0x%04X\n\n", (unsigned int) -ret );
+        } else
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
+            if (psk_len > 0) {
+            ret = mbedtls_ssl_conf_psk(&conf, psk, psk_len,
+                                       (const unsigned char *)opt.psk_identity,
+                                       strlen(opt.psk_identity));
+            if (ret != 0) {
+                mbedtls_printf(
+                    "  failed\n  mbedtls_ssl_conf_psk returned -0x%04X\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
         }
     }
 
-    if( opt.psk_list != NULL )
-    {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-        if( opt.psk_list_opaque != 0 )
-        {
+    if (opt.psk_list != NULL) {
+#        if defined(MBEDTLS_USE_PSA_CRYPTO)
+        if (opt.psk_list_opaque != 0) {
             psk_entry *cur_psk;
-            for( cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next )
-            {
-
-                status = psa_setup_psk_key_slot( &cur_psk->slot, alg,
-                                                 cur_psk->key,
-                                                 cur_psk->key_len );
-                if( status != PSA_SUCCESS )
-                {
+            for (cur_psk = psk_info; cur_psk != NULL; cur_psk = cur_psk->next) {
+                status = psa_setup_psk_key_slot(&cur_psk->slot, alg,
+                                                cur_psk->key, cur_psk->key_len);
+                if (status != PSA_SUCCESS) {
                     ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
                     goto exit;
                 }
             }
         }
-#endif /* MBEDTLS_USE_PSA_CRYPTO */
+#        endif /* MBEDTLS_USE_PSA_CRYPTO */
 
-        mbedtls_ssl_conf_psk_cb( &conf, psk_callback, psk_info );
+        mbedtls_ssl_conf_psk_cb(&conf, psk_callback, psk_info);
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_DHM_C)
+#    if defined(MBEDTLS_DHM_C)
     /*
      * Use different group than default DHM group
      */
-#if defined(MBEDTLS_FS_IO)
-    if( opt.dhm_file != NULL )
-        ret = mbedtls_ssl_conf_dh_param_ctx( &conf, &dhm );
-#endif
-    if( ret != 0 )
-    {
-        mbedtls_printf( "  failed\n  mbedtls_ssl_conf_dh_param returned -0x%04X\n\n", (unsigned int) -ret );
+#        if defined(MBEDTLS_FS_IO)
+    if (opt.dhm_file != NULL)
+        ret = mbedtls_ssl_conf_dh_param_ctx(&conf, &dhm);
+#        endif
+    if (ret != 0) {
+        mbedtls_printf(
+            "  failed\n  mbedtls_ssl_conf_dh_param returned -0x%04X\n\n",
+            (unsigned int)-ret);
         goto exit;
     }
-#endif
+#    endif
 
-    if( opt.min_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_min_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.min_version );
+    if (opt.min_version != DFL_MIN_VERSION)
+        mbedtls_ssl_conf_min_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                     opt.min_version);
 
-    if( opt.max_version != DFL_MIN_VERSION )
-        mbedtls_ssl_conf_max_version( &conf, MBEDTLS_SSL_MAJOR_VERSION_3, opt.max_version );
+    if (opt.max_version != DFL_MIN_VERSION)
+        mbedtls_ssl_conf_max_version(&conf, MBEDTLS_SSL_MAJOR_VERSION_3,
+                                     opt.max_version);
 
-    if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n", (unsigned int) -ret );
+    if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-    if( opt.eap_tls != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, eap_tls_key_derivation,
-                                        &eap_tls_keying );
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+    if (opt.eap_tls != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, eap_tls_key_derivation,
+                                       &eap_tls_keying);
+    } else if (opt.nss_keylog != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, nss_keylog_export, NULL);
     }
-    else if( opt.nss_keylog != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl,
-                                        nss_keylog_export,
-                                        NULL );
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
+        mbedtls_ssl_set_export_keys_cb(&ssl, dtls_srtp_key_derivation,
+                                       &dtls_srtp_keying);
     }
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0 )
-    {
-        mbedtls_ssl_set_export_keys_cb( &ssl, dtls_srtp_key_derivation,
-                                        &dtls_srtp_keying );
-    }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
     io_ctx.ssl = &ssl;
     io_ctx.net = &client_fd;
-    mbedtls_ssl_set_bio( &ssl, &io_ctx, send_cb, recv_cb,
-                         opt.nbio == 0 ? recv_timeout_cb : NULL );
+    mbedtls_ssl_set_bio(&ssl, &io_ctx, send_cb, recv_cb,
+                        opt.nbio == 0 ? recv_timeout_cb : NULL);
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled,
-                                         cid, cid_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled, cid, cid_len)) !=
+            0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
-    if( opt.dtls_mtu != DFL_DTLS_MTU )
-        mbedtls_ssl_set_mtu( &ssl, opt.dtls_mtu );
-#endif
+#    if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if (opt.dtls_mtu != DFL_DTLS_MTU)
+        mbedtls_ssl_set_mtu(&ssl, opt.dtls_mtu);
+#    endif
 
-#if defined(MBEDTLS_TIMING_C)
-    mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
-                                            mbedtls_timing_get_delay );
-#endif
+#    if defined(MBEDTLS_TIMING_C)
+    mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                             mbedtls_timing_get_delay);
+#    endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
 reset:
-#if !defined(_WIN32)
-    if( received_sigterm )
-    {
-        mbedtls_printf( " interrupted by SIGTERM (not in net_accept())\n" );
-        if( ret == MBEDTLS_ERR_NET_INVALID_CONTEXT )
+#    if !defined(_WIN32)
+    if (received_sigterm) {
+        mbedtls_printf(" interrupted by SIGTERM (not in net_accept())\n");
+        if (ret == MBEDTLS_ERR_NET_INVALID_CONTEXT)
             ret = 0;
 
         goto exit;
     }
-#endif
+#    endif
 
-    if( ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT )
-    {
-        mbedtls_printf( "  ! Client initiated reconnection from same port\n" );
+    if (ret == MBEDTLS_ERR_SSL_CLIENT_RECONNECT) {
+        mbedtls_printf("  ! Client initiated reconnection from same port\n");
         goto handshake;
     }
 
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf);
     }
-#endif
+#    endif
 
-    mbedtls_net_free( &client_fd );
+    mbedtls_net_free(&client_fd);
 
-    mbedtls_ssl_session_reset( &ssl );
+    mbedtls_ssl_session_reset(&ssl);
 
     /*
      * 3. Wait until a client connects
      */
-    mbedtls_printf( "  . Waiting for a remote connection ..." );
-    fflush( stdout );
+    mbedtls_printf("  . Waiting for a remote connection ...");
+    fflush(stdout);
 
-    if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
-                    client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 )
-    {
-#if !defined(_WIN32)
-        if( received_sigterm )
-        {
-            mbedtls_printf( " interrupted by SIGTERM (in net_accept())\n" );
-            if( ret == MBEDTLS_ERR_NET_ACCEPT_FAILED )
+    if ((ret = mbedtls_net_accept(&listen_fd, &client_fd, client_ip,
+                                  sizeof(client_ip), &cliip_len)) != 0) {
+#    if !defined(_WIN32)
+        if (received_sigterm) {
+            mbedtls_printf(" interrupted by SIGTERM (in net_accept())\n");
+            if (ret == MBEDTLS_ERR_NET_ACCEPT_FAILED)
                 ret = 0;
 
             goto exit;
         }
-#endif
+#    endif
 
-        mbedtls_printf( " failed\n  ! mbedtls_net_accept returned -0x%x\n\n", (unsigned int) -ret );
+        mbedtls_printf(" failed\n  ! mbedtls_net_accept returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    if( opt.nbio > 0 )
-        ret = mbedtls_net_set_nonblock( &client_fd );
+    if (opt.nbio > 0)
+        ret = mbedtls_net_set_nonblock(&client_fd);
     else
-        ret = mbedtls_net_set_block( &client_fd );
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! net_set_(non)block() returned -0x%x\n\n", (unsigned int) -ret );
+        ret = mbedtls_net_set_block(&client_fd);
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! net_set_(non)block() returned -0x%x\n\n",
+                       (unsigned int)-ret);
         goto exit;
     }
 
-    mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
+    mbedtls_ssl_conf_read_timeout(&conf, opt.read_timeout);
 
-#if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl,
-                        client_ip, cliip_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
-                            (unsigned int) -ret );
+#    if defined(MBEDTLS_SSL_DTLS_HELLO_VERIFY)
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_client_transport_id(&ssl, client_ip,
+                                                       cliip_len)) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
+#    endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
 
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
-    if( opt.ecjpake_pw != DFL_ECJPAKE_PW )
-    {
-        if( ( ret = mbedtls_ssl_set_hs_ecjpake_password( &ssl,
-                        (const unsigned char *) opt.ecjpake_pw,
-                                        strlen( opt.ecjpake_pw ) ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n", ret );
+#    if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+    if (opt.ecjpake_pw != DFL_ECJPAKE_PW) {
+        if ((ret = mbedtls_ssl_set_hs_ecjpake_password(
+                 &ssl, (const unsigned char *)opt.ecjpake_pw,
+                 strlen(opt.ecjpake_pw))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password returned %d\n\n",
+                ret);
             goto exit;
         }
     }
-#endif
+#    endif
 
-    mbedtls_printf( " ok\n" );
+    mbedtls_printf(" ok\n");
 
     /*
      * 4. Handshake
      */
 handshake:
-    mbedtls_printf( "  . Performing the SSL/TLS handshake..." );
-    fflush( stdout );
+    mbedtls_printf("  . Performing the SSL/TLS handshake...");
+    fflush(stdout);
 
-    while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
-    {
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
-            ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL )
-        {
-            mbedtls_printf( " cancelling on injected error\n" );
+    while ((ret = mbedtls_ssl_handshake(&ssl)) != 0) {
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        if (ret == MBEDTLS_ERR_SSL_ASYNC_IN_PROGRESS &&
+            ssl_async_keys.inject_error == SSL_ASYNC_INJECT_ERROR_CANCEL) {
+            mbedtls_printf(" cancelling on injected error\n");
             break;
         }
-#endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
+#    endif /* MBEDTLS_SSL_ASYNC_PRIVATE */
 
-        if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+        if (!mbedtls_status_is_ssl_in_progress(ret))
             break;
 
         /* For event-driven IO, wait for socket to become available */
-        if( opt.event == 1 /* level triggered IO */ )
-        {
-#if defined(MBEDTLS_TIMING_C)
-            ret = idle( &client_fd, &timer, ret );
-#else
-            ret = idle( &client_fd, ret );
-#endif
-            if( ret != 0 )
+        if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+            ret = idle(&client_fd, &timer, ret);
+#    else
+            ret = idle(&client_fd, ret);
+#    endif
+            if (ret != 0)
                 goto reset;
         }
     }
 
-    if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED )
-    {
-        mbedtls_printf( " hello verification requested\n" );
+    if (ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED) {
+        mbedtls_printf(" hello verification requested\n");
         ret = 0;
         goto reset;
-    }
-    else if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
+    } else if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ssl_handshake returned -0x%x\n\n",
+                       (unsigned int)-ret);
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-        if( ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED )
-        {
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+        if (ret == MBEDTLS_ERR_X509_CERT_VERIFY_FAILED) {
             char vrfy_buf[512];
-            flags = mbedtls_ssl_get_verify_result( &ssl );
+            flags = mbedtls_ssl_get_verify_result(&ssl);
 
-            x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
+            x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
 
-            mbedtls_printf( "%s\n", vrfy_buf );
+            mbedtls_printf("%s\n", vrfy_buf);
         }
-#endif
+#    endif
 
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-        if( opt.async_private_error < 0 )
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+        if (opt.async_private_error < 0)
             /* Injected error only the first time round, to test reset */
             ssl_async_keys.inject_error = SSL_ASYNC_INJECT_ERROR_NONE;
-#endif
+#    endif
         goto reset;
-    }
-    else /* ret == 0 */
+    } else /* ret == 0 */
     {
-        mbedtls_printf( " ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
-                mbedtls_ssl_get_version( &ssl ), mbedtls_ssl_get_ciphersuite( &ssl ) );
+        mbedtls_printf(
+            " ok\n    [ Protocol is %s ]\n    [ Ciphersuite is %s ]\n",
+            mbedtls_ssl_get_version(&ssl), mbedtls_ssl_get_ciphersuite(&ssl));
     }
 
-    if( ( ret = mbedtls_ssl_get_record_expansion( &ssl ) ) >= 0 )
-        mbedtls_printf( "    [ Record expansion is %d ]\n", ret );
+    if ((ret = mbedtls_ssl_get_record_expansion(&ssl)) >= 0)
+        mbedtls_printf("    [ Record expansion is %d ]\n", ret);
     else
-        mbedtls_printf( "    [ Record expansion is unknown ]\n" );
+        mbedtls_printf("    [ Record expansion is unknown ]\n");
 
-#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
-    mbedtls_printf( "    [ Maximum incoming record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_in_record_payload( &ssl ) );
-    mbedtls_printf( "    [ Maximum outgoing record payload length is %u ]\n",
-                    (unsigned int) mbedtls_ssl_get_max_out_record_payload( &ssl ) );
-#endif
+#    if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+    mbedtls_printf("    [ Maximum incoming record payload length is %u ]\n",
+                   (unsigned int)mbedtls_ssl_get_max_in_record_payload(&ssl));
+    mbedtls_printf("    [ Maximum outgoing record payload length is %u ]\n",
+                   (unsigned int)mbedtls_ssl_get_max_out_record_payload(&ssl));
+#    endif
 
-#if defined(MBEDTLS_SSL_ALPN)
-    if( opt.alpn_string != NULL )
-    {
-        const char *alp = mbedtls_ssl_get_alpn_protocol( &ssl );
-        mbedtls_printf( "    [ Application Layer Protocol is %s ]\n",
-                alp ? alp : "(none)" );
+#    if defined(MBEDTLS_SSL_ALPN)
+    if (opt.alpn_string != NULL) {
+        const char *alp = mbedtls_ssl_get_alpn_protocol(&ssl);
+        mbedtls_printf("    [ Application Layer Protocol is %s ]\n",
+                       alp ? alp : "(none)");
     }
-#endif
+#    endif
 
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
     /*
      * 5. Verify the client certificate
      */
-    mbedtls_printf( "  . Verifying peer X.509 certificate..." );
+    mbedtls_printf("  . Verifying peer X.509 certificate...");
 
-    if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
-    {
+    if ((flags = mbedtls_ssl_get_verify_result(&ssl)) != 0) {
         char vrfy_buf[512];
 
-        mbedtls_printf( " failed\n" );
+        mbedtls_printf(" failed\n");
 
-        x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
-        mbedtls_printf( "%s\n", vrfy_buf );
-    }
-    else
-        mbedtls_printf( " ok\n" );
+        x509_crt_verify_info(vrfy_buf, sizeof(vrfy_buf), "  ! ", flags);
+        mbedtls_printf("%s\n", vrfy_buf);
+    } else
+        mbedtls_printf(" ok\n");
 
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    if( mbedtls_ssl_get_peer_cert( &ssl ) != NULL )
-    {
+#        if !defined(MBEDTLS_X509_REMOVE_INFO)
+    if (mbedtls_ssl_get_peer_cert(&ssl) != NULL) {
         char crt_buf[512];
 
-        mbedtls_printf( "  . Peer certificate information    ...\n" );
-        mbedtls_x509_crt_info( crt_buf, sizeof( crt_buf ), "      ",
-                       mbedtls_ssl_get_peer_cert( &ssl ) );
-        mbedtls_printf( "%s\n", crt_buf );
+        mbedtls_printf("  . Peer certificate information    ...\n");
+        mbedtls_x509_crt_info(crt_buf, sizeof(crt_buf), "      ",
+                              mbedtls_ssl_get_peer_cert(&ssl));
+        mbedtls_printf("%s\n", crt_buf);
     }
-#endif /* MBEDTLS_X509_REMOVE_INFO */
-#endif /* MBEDTLS_X509_CRT_PARSE_C */
+#        endif /* MBEDTLS_X509_REMOVE_INFO */
+#    endif /* MBEDTLS_X509_CRT_PARSE_C */
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
-    if( opt.eap_tls != 0 )
-    {
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
+    if (opt.eap_tls != 0) {
         size_t j = 0;
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type,
-                                         eap_tls_keying.master_secret,
-                                         sizeof( eap_tls_keying.master_secret ),
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_keymaterial,
-                                         sizeof( eap_tls_keymaterial ) ) )
-                                         != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                            (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_tls_prf(
+                 eap_tls_keying.tls_prf_type, eap_tls_keying.master_secret,
+                 sizeof(eap_tls_keying.master_secret), eap_tls_label,
+                 eap_tls_keying.randbytes, sizeof(eap_tls_keying.randbytes),
+                 eap_tls_keymaterial, sizeof(eap_tls_keymaterial))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                (unsigned int)-ret);
             goto reset;
         }
 
-        mbedtls_printf( "    EAP-TLS key material is:" );
-        for( j = 0; j < sizeof( eap_tls_keymaterial ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS key material is:");
+        for (j = 0; j < sizeof(eap_tls_keymaterial); j++) {
+            if (j % 8 == 0)
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_keymaterial[j] );
+            mbedtls_printf("%02x ", eap_tls_keymaterial[j]);
         }
         mbedtls_printf("\n");
 
-        if( ( ret = mbedtls_ssl_tls_prf( eap_tls_keying.tls_prf_type, NULL, 0,
-                                         eap_tls_label,
-                                         eap_tls_keying.randbytes,
-                                         sizeof( eap_tls_keying.randbytes ),
-                                         eap_tls_iv,
-                                         sizeof( eap_tls_iv ) ) ) != 0 )
-         {
-             mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                             (unsigned int) -ret );
-             goto reset;
-         }
+        if ((ret = mbedtls_ssl_tls_prf(eap_tls_keying.tls_prf_type, NULL, 0,
+                                       eap_tls_label, eap_tls_keying.randbytes,
+                                       sizeof(eap_tls_keying.randbytes),
+                                       eap_tls_iv, sizeof(eap_tls_iv))) != 0) {
+            mbedtls_printf(
+                " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                (unsigned int)-ret);
+            goto reset;
+        }
 
-        mbedtls_printf( "    EAP-TLS IV is:" );
-        for( j = 0; j < sizeof( eap_tls_iv ); j++ )
-        {
-            if( j % 8 == 0 )
+        mbedtls_printf("    EAP-TLS IV is:");
+        for (j = 0; j < sizeof(eap_tls_iv); j++) {
+            if (j % 8 == 0)
                 mbedtls_printf("\n    ");
-            mbedtls_printf("%02x ", eap_tls_iv[j] );
+            mbedtls_printf("%02x ", eap_tls_iv[j]);
         }
         mbedtls_printf("\n");
     }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-    else if( opt.use_srtp != 0  )
-    {
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
+    else if (opt.use_srtp != 0) {
         size_t j = 0;
         mbedtls_dtls_srtp_info dtls_srtp_negotiation_result;
-        mbedtls_ssl_get_dtls_srtp_negotiation_result( &ssl, &dtls_srtp_negotiation_result );
+        mbedtls_ssl_get_dtls_srtp_negotiation_result(
+            &ssl, &dtls_srtp_negotiation_result);
 
-        if( dtls_srtp_negotiation_result.chosen_dtls_srtp_profile
-                                == MBEDTLS_TLS_SRTP_UNSET )
-        {
-            mbedtls_printf( "    Unable to negotiate "
-                            "the use of DTLS-SRTP\n" );
-        }
-        else
-        {
-            if( ( ret = mbedtls_ssl_tls_prf( dtls_srtp_keying.tls_prf_type,
-                                             dtls_srtp_keying.master_secret,
-                                             sizeof( dtls_srtp_keying.master_secret ),
-                                             dtls_srtp_label,
-                                             dtls_srtp_keying.randbytes,
-                                             sizeof( dtls_srtp_keying.randbytes ),
-                                             dtls_srtp_key_material,
-                                             sizeof( dtls_srtp_key_material ) ) )
-                                             != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
-                                (unsigned int) -ret );
+        if (dtls_srtp_negotiation_result.chosen_dtls_srtp_profile ==
+            MBEDTLS_TLS_SRTP_UNSET) {
+            mbedtls_printf("    Unable to negotiate "
+                           "the use of DTLS-SRTP\n");
+        } else {
+            if ((ret = mbedtls_ssl_tls_prf(
+                     dtls_srtp_keying.tls_prf_type,
+                     dtls_srtp_keying.master_secret,
+                     sizeof(dtls_srtp_keying.master_secret), dtls_srtp_label,
+                     dtls_srtp_keying.randbytes,
+                     sizeof(dtls_srtp_keying.randbytes), dtls_srtp_key_material,
+                     sizeof(dtls_srtp_key_material))) != 0) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_tls_prf returned -0x%x\n\n",
+                    (unsigned int)-ret);
                 goto exit;
             }
 
-            mbedtls_printf( "    DTLS-SRTP key material is:" );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                if( j % 8 == 0 )
-                    mbedtls_printf( "\n    " );
-                mbedtls_printf( "%02x ", dtls_srtp_key_material[j] );
+            mbedtls_printf("    DTLS-SRTP key material is:");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                if (j % 8 == 0)
+                    mbedtls_printf("\n    ");
+                mbedtls_printf("%02x ", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
             /* produce a less readable output used to perform automatic checks
              * - compare client and server output
-             * - interop test with openssl which client produces this kind of output
+             * - interop test with openssl which client produces this kind of
+             * output
              */
-            mbedtls_printf( "    Keying material: " );
-            for( j = 0; j < sizeof( dtls_srtp_key_material ); j++ )
-            {
-                mbedtls_printf( "%02X", dtls_srtp_key_material[j] );
+            mbedtls_printf("    Keying material: ");
+            for (j = 0; j < sizeof(dtls_srtp_key_material); j++) {
+                mbedtls_printf("%02X", dtls_srtp_key_material[j]);
             }
-            mbedtls_printf( "\n" );
+            mbedtls_printf("\n");
 
-            if ( dtls_srtp_negotiation_result.mki_len > 0 )
-            {
-                mbedtls_printf( "    DTLS-SRTP mki value: " );
-                for( j = 0; j < dtls_srtp_negotiation_result.mki_len; j++ )
-                {
-                    mbedtls_printf( "%02X", dtls_srtp_negotiation_result.mki_value[j] );
+            if (dtls_srtp_negotiation_result.mki_len > 0) {
+                mbedtls_printf("    DTLS-SRTP mki value: ");
+                for (j = 0; j < dtls_srtp_negotiation_result.mki_len; j++) {
+                    mbedtls_printf("%02X",
+                                   dtls_srtp_negotiation_result.mki_value[j]);
                 }
+            } else {
+                mbedtls_printf("    DTLS-SRTP no mki value negotiated");
             }
-            else
-            {
-                mbedtls_printf( "    DTLS-SRTP no mki value negotiated" );
-            }
-            mbedtls_printf( "\n" );
-
+            mbedtls_printf("\n");
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "initial handshake" );
-    if( ret != 0 )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    ret = report_cid_usage(&ssl, "initial handshake");
+    if (ret != 0)
         goto exit;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
-        if( ( ret = mbedtls_ssl_set_cid( &ssl, opt.cid_enabled_renego,
-                                         cid_renego, cid_renego_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
-                            ret );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
+        if ((ret = mbedtls_ssl_set_cid(&ssl, opt.cid_enabled_renego, cid_renego,
+                                       cid_renego_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_set_cid returned %d\n\n",
+                           ret);
             goto exit;
         }
     }
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
-#if defined(MBEDTLS_MEMORY_DEBUG)
-    mbedtls_memory_buffer_alloc_cur_get( &current_heap_memory, &heap_blocks );
-    mbedtls_memory_buffer_alloc_max_get( &peak_heap_memory, &heap_blocks );
-    mbedtls_printf( "Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
-                    (unsigned long) current_heap_memory, (unsigned long) peak_heap_memory );
-#endif  /* MBEDTLS_MEMORY_DEBUG */
+#    if defined(MBEDTLS_MEMORY_DEBUG)
+    mbedtls_memory_buffer_alloc_cur_get(&current_heap_memory, &heap_blocks);
+    mbedtls_memory_buffer_alloc_max_get(&peak_heap_memory, &heap_blocks);
+    mbedtls_printf(
+        "Heap memory usage after handshake: %lu bytes. Peak memory usage was %lu\n",
+        (unsigned long)current_heap_memory, (unsigned long)peak_heap_memory);
+#    endif /* MBEDTLS_MEMORY_DEBUG */
 
-    if( opt.exchanges == 0 )
+    if (opt.exchanges == 0)
         goto close_notify;
 
     exchanges_left = opt.exchanges;
@@ -3257,123 +2988,112 @@
     /*
      * 6. Read the HTTP Request
      */
-    mbedtls_printf( "  < Read from client:" );
-    fflush( stdout );
+    mbedtls_printf("  < Read from client:");
+    fflush(stdout);
 
     /*
      * TLS and DTLS need different reading styles (stream vs datagram)
      */
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
-        do
-        {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
+        do {
             int terminated = 0;
             len = opt.buffer_size - 1;
-            memset( buf, 0, opt.buffer_size );
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+            memset(buf, 0, opt.buffer_size);
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
-            if( mbedtls_status_is_ssl_in_progress( ret ) )
-            {
-                if( opt.event == 1 /* level triggered IO */ )
-                {
-#if defined(MBEDTLS_TIMING_C)
-                    idle( &client_fd, &timer, ret );
-#else
-                    idle( &client_fd, ret );
-#endif
+            if (mbedtls_status_is_ssl_in_progress(ret)) {
+                if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                    idle(&client_fd, &timer, ret);
+#    else
+                    idle(&client_fd, ret);
+#    endif
                 }
 
                 continue;
             }
 
-            if( ret <= 0 )
-            {
-                switch( ret )
-                {
+            if (ret <= 0) {
+                switch (ret) {
                     case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                        mbedtls_printf( " connection was closed gracefully\n" );
+                        mbedtls_printf(" connection was closed gracefully\n");
                         goto close_notify;
 
                     case 0:
                     case MBEDTLS_ERR_NET_CONN_RESET:
-                        mbedtls_printf( " connection was reset by peer\n" );
+                        mbedtls_printf(" connection was reset by peer\n");
                         ret = MBEDTLS_ERR_NET_CONN_RESET;
                         goto reset;
 
                     default:
-                        mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                        mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                       (unsigned int)-ret);
                         goto reset;
                 }
             }
 
-            if( mbedtls_ssl_get_bytes_avail( &ssl ) == 0 )
-            {
+            if (mbedtls_ssl_get_bytes_avail(&ssl) == 0) {
                 len = ret;
                 buf[len] = '\0';
-                mbedtls_printf( " %d bytes read\n\n%s\n", len, (char *) buf );
+                mbedtls_printf(" %d bytes read\n\n%s\n", len, (char *)buf);
 
-                /* End of message should be detected according to the syntax of the
-                 * application protocol (eg HTTP), just use a dummy test here. */
-                if( buf[len - 1] == '\n' )
+                /* End of message should be detected according to the syntax of
+                 * the application protocol (eg HTTP), just use a dummy test
+                 * here. */
+                if (buf[len - 1] == '\n')
                     terminated = 1;
-            }
-            else
-            {
+            } else {
                 int extra_len, ori_len;
                 unsigned char *larger_buf;
 
                 ori_len = ret;
-                extra_len = (int) mbedtls_ssl_get_bytes_avail( &ssl );
+                extra_len = (int)mbedtls_ssl_get_bytes_avail(&ssl);
 
-                larger_buf = mbedtls_calloc( 1, ori_len + extra_len + 1 );
-                if( larger_buf == NULL )
-                {
-                    mbedtls_printf( "  ! memory allocation failed\n" );
+                larger_buf = mbedtls_calloc(1, ori_len + extra_len + 1);
+                if (larger_buf == NULL) {
+                    mbedtls_printf("  ! memory allocation failed\n");
                     ret = 1;
                     goto reset;
                 }
 
-                memset( larger_buf, 0, ori_len + extra_len );
-                memcpy( larger_buf, buf, ori_len );
+                memset(larger_buf, 0, ori_len + extra_len);
+                memcpy(larger_buf, buf, ori_len);
 
                 /* This read should never fail and get the whole cached data */
-                ret = mbedtls_ssl_read( &ssl, larger_buf + ori_len, extra_len );
-                if( ret != extra_len ||
-                    mbedtls_ssl_get_bytes_avail( &ssl ) != 0 )
-                {
-                    mbedtls_printf( "  ! mbedtls_ssl_read failed on cached data\n" );
+                ret = mbedtls_ssl_read(&ssl, larger_buf + ori_len, extra_len);
+                if (ret != extra_len ||
+                    mbedtls_ssl_get_bytes_avail(&ssl) != 0) {
+                    mbedtls_printf(
+                        "  ! mbedtls_ssl_read failed on cached data\n");
                     ret = 1;
                     goto reset;
                 }
 
                 larger_buf[ori_len + extra_len] = '\0';
-                mbedtls_printf( " %d bytes read (%d + %d)\n\n%s\n",
-                        ori_len + extra_len, ori_len, extra_len,
-                        (char *) larger_buf );
+                mbedtls_printf(" %d bytes read (%d + %d)\n\n%s\n",
+                               ori_len + extra_len, ori_len, extra_len,
+                               (char *)larger_buf);
 
-                /* End of message should be detected according to the syntax of the
-                 * application protocol (eg HTTP), just use a dummy test here. */
-                if( larger_buf[ori_len + extra_len - 1] == '\n' )
+                /* End of message should be detected according to the syntax of
+                 * the application protocol (eg HTTP), just use a dummy test
+                 * here. */
+                if (larger_buf[ori_len + extra_len - 1] == '\n')
                     terminated = 1;
 
-                mbedtls_free( larger_buf );
+                mbedtls_free(larger_buf);
             }
 
-            if( terminated )
-            {
+            if (terminated) {
                 ret = 0;
                 break;
             }
-        }
-        while( 1 );
-    }
-    else /* Not stream, so datagram */
+        } while (1);
+    } else /* Not stream, so datagram */
     {
         len = opt.buffer_size - 1;
-        memset( buf, 0, opt.buffer_size );
+        memset(buf, 0, opt.buffer_size);
 
-        do
-        {
+        do {
             /* Without the call to `mbedtls_ssl_check_pending`, it might
              * happen that the client sends application data in the same
              * datagram as the Finished message concluding the handshake.
@@ -3386,43 +3106,40 @@
              */
 
             /* For event-driven IO, wait for socket to become available */
-            if( mbedtls_ssl_check_pending( &ssl ) == 0 &&
-                opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ );
-#else
-                idle( &client_fd, MBEDTLS_ERR_SSL_WANT_READ );
-#endif
+            if (mbedtls_ssl_check_pending(&ssl) == 0 &&
+                opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                idle(&client_fd, &timer, MBEDTLS_ERR_SSL_WANT_READ);
+#    else
+                idle(&client_fd, MBEDTLS_ERR_SSL_WANT_READ);
+#    endif
             }
 
-            ret = mbedtls_ssl_read( &ssl, buf, len );
+            ret = mbedtls_ssl_read(&ssl, buf, len);
 
             /* Note that even if `mbedtls_ssl_check_pending` returns true,
              * it can happen that the subsequent call to `mbedtls_ssl_read`
              * returns `MBEDTLS_ERR_SSL_WANT_READ`, because the pending messages
              * might be discarded (e.g. because they are retransmissions). */
-        }
-        while( mbedtls_status_is_ssl_in_progress( ret ) );
+        } while (mbedtls_status_is_ssl_in_progress(ret));
 
-        if( ret <= 0 )
-        {
-            switch( ret )
-            {
+        if (ret <= 0) {
+            switch (ret) {
                 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
-                    mbedtls_printf( " connection was closed gracefully\n" );
+                    mbedtls_printf(" connection was closed gracefully\n");
                     ret = 0;
                     goto close_notify;
 
                 default:
-                    mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
+                    mbedtls_printf(" mbedtls_ssl_read returned -0x%x\n",
+                                   (unsigned int)-ret);
                     goto reset;
             }
         }
 
         len = ret;
         buf[len] = '\0';
-        mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
+        mbedtls_printf(" %d bytes read\n\n%s", len, (char *)buf);
         ret = 0;
     }
 
@@ -3430,123 +3147,112 @@
      * 7a. Request renegotiation while client is waiting for input from us.
      * (only on the first exchange, to be able to test retransmission)
      */
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-    if( opt.renegotiate && exchanges_left == opt.exchanges )
-    {
-        mbedtls_printf( "  . Requestion renegotiation..." );
-        fflush( stdout );
+#    if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if (opt.renegotiate && exchanges_left == opt.exchanges) {
+        mbedtls_printf("  . Requestion renegotiation...");
+        fflush(stdout);
 
-        while( ( ret = mbedtls_ssl_renegotiate( &ssl ) ) != 0 )
-        {
-            if( ! mbedtls_status_is_ssl_in_progress( ret ) )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n", ret );
+        while ((ret = mbedtls_ssl_renegotiate(&ssl)) != 0) {
+            if (!mbedtls_status_is_ssl_in_progress(ret)) {
+                mbedtls_printf(
+                    " failed\n  ! mbedtls_ssl_renegotiate returned %d\n\n",
+                    ret);
                 goto reset;
             }
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, ret );
-#else
-                idle( &client_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#        if defined(MBEDTLS_TIMING_C)
+                idle(&client_fd, &timer, ret);
+#        else
+                idle(&client_fd, ret);
+#        endif
             }
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif /* MBEDTLS_SSL_RENEGOTIATION */
+#    endif /* MBEDTLS_SSL_RENEGOTIATION */
 
-#if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
-    ret = report_cid_usage( &ssl, "after renegotiation" );
-    if( ret != 0 )
+#    if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID)
+    ret = report_cid_usage(&ssl, "after renegotiation");
+    if (ret != 0)
         goto exit;
-#endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
+#    endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */
 
     /*
      * 7. Write the 200 Response
      */
-    mbedtls_printf( "  > Write to client:" );
-    fflush( stdout );
+    mbedtls_printf("  > Write to client:");
+    fflush(stdout);
 
-    len = sprintf( (char *) buf, HTTP_RESPONSE,
-                   mbedtls_ssl_get_ciphersuite( &ssl ) );
+    len =
+        sprintf((char *)buf, HTTP_RESPONSE, mbedtls_ssl_get_ciphersuite(&ssl));
 
     /* Add padding to the response to reach opt.response_size in length */
-    if( opt.response_size != DFL_RESPONSE_SIZE &&
-        len < opt.response_size )
-    {
-        memset( buf + len, 'B', opt.response_size - len );
+    if (opt.response_size != DFL_RESPONSE_SIZE && len < opt.response_size) {
+        memset(buf + len, 'B', opt.response_size - len);
         len += opt.response_size - len;
     }
 
     /* Truncate if response size is smaller than the "natural" size */
-    if( opt.response_size != DFL_RESPONSE_SIZE &&
-        len > opt.response_size )
-    {
+    if (opt.response_size != DFL_RESPONSE_SIZE && len > opt.response_size) {
         len = opt.response_size;
 
         /* Still end with \r\n unless that's really not possible */
-        if( len >= 2 ) buf[len - 2] = '\r';
-        if( len >= 1 ) buf[len - 1] = '\n';
+        if (len >= 2)
+            buf[len - 2] = '\r';
+        if (len >= 1)
+            buf[len - 1] = '\n';
     }
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM )
-    {
-        for( written = 0, frags = 0; written < len; written += ret, frags++ )
-        {
-            while( ( ret = mbedtls_ssl_write( &ssl, buf + written, len - written ) )
-                           <= 0 )
-            {
-                if( ret == MBEDTLS_ERR_NET_CONN_RESET )
-                {
-                    mbedtls_printf( " failed\n  ! peer closed the connection\n\n" );
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_STREAM) {
+        for (written = 0, frags = 0; written < len; written += ret, frags++) {
+            while ((ret = mbedtls_ssl_write(&ssl, buf + written,
+                                            len - written)) <= 0) {
+                if (ret == MBEDTLS_ERR_NET_CONN_RESET) {
+                    mbedtls_printf(
+                        " failed\n  ! peer closed the connection\n\n");
                     goto reset;
                 }
 
-                if( ! mbedtls_status_is_ssl_in_progress( ret ) )
-                {
-                    mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+                if (!mbedtls_status_is_ssl_in_progress(ret)) {
+                    mbedtls_printf(
+                        " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret);
                     goto reset;
                 }
 
                 /* For event-driven IO, wait for socket to become available */
-                if( opt.event == 1 /* level triggered IO */ )
-                {
-#if defined(MBEDTLS_TIMING_C)
-                    idle( &client_fd, &timer, ret );
-#else
-                    idle( &client_fd, ret );
-#endif
+                if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                    idle(&client_fd, &timer, ret);
+#    else
+                    idle(&client_fd, ret);
+#    endif
                 }
             }
         }
-    }
-    else /* Not stream, so datagram */
+    } else /* Not stream, so datagram */
     {
-        while( 1 )
-        {
-            ret = mbedtls_ssl_write( &ssl, buf, len );
+        while (1) {
+            ret = mbedtls_ssl_write(&ssl, buf, len);
 
-            if( ! mbedtls_status_is_ssl_in_progress( ret ) )
+            if (!mbedtls_status_is_ssl_in_progress(ret))
                 break;
 
             /* For event-driven IO, wait for socket to become available */
-            if( opt.event == 1 /* level triggered IO */ )
-            {
-#if defined(MBEDTLS_TIMING_C)
-                idle( &client_fd, &timer, ret );
-#else
-                idle( &client_fd, ret );
-#endif
+            if (opt.event == 1 /* level triggered IO */) {
+#    if defined(MBEDTLS_TIMING_C)
+                idle(&client_fd, &timer, ret);
+#    else
+                idle(&client_fd, ret);
+#    endif
             }
         }
 
-        if( ret < 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_write returned %d\n\n", ret );
+        if (ret < 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_write returned %d\n\n",
+                           ret);
             goto reset;
         }
 
@@ -3555,96 +3261,91 @@
     }
 
     buf[written] = '\0';
-    mbedtls_printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
+    mbedtls_printf(" %d bytes written in %d fragments\n\n%s\n", written, frags,
+                   (char *)buf);
     ret = 0;
 
     /*
      * 7b. Simulate serialize/deserialize and go back to data exchange
      */
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( opt.serialize != 0 )
-    {
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    if (opt.serialize != 0) {
         size_t buf_len;
 
-        mbedtls_printf( "  . Serializing live connection..." );
+        mbedtls_printf("  . Serializing live connection...");
 
-        ret = mbedtls_ssl_context_save( &ssl, NULL, 0, &buf_len );
-        if( ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        ret = mbedtls_ssl_context_save(&ssl, NULL, 0, &buf_len);
+        if (ret != MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        if( ( context_buf = mbedtls_calloc( 1, buf_len ) ) == NULL )
-        {
-            mbedtls_printf( " failed\n  ! Couldn't allocate buffer for "
-                            "serialized context" );
+        if ((context_buf = mbedtls_calloc(1, buf_len)) == NULL) {
+            mbedtls_printf(" failed\n  ! Couldn't allocate buffer for "
+                           "serialized context");
 
             goto exit;
         }
         context_buf_len = buf_len;
 
-        if( ( ret = mbedtls_ssl_context_save( &ssl, context_buf,
-                                              buf_len, &buf_len ) ) != 0 )
-        {
-            mbedtls_printf( " failed\n  ! mbedtls_ssl_context_save returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_save(&ssl, context_buf, buf_len,
+                                            &buf_len)) != 0) {
+            mbedtls_printf(" failed\n  ! mbedtls_ssl_context_save returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
 
         /* Save serialized context to the 'opt.context_file' as a base64 code */
-        if( 0 < strlen( opt.context_file ) )
-        {
+        if (0 < strlen(opt.context_file)) {
             FILE *b64_file;
             uint8_t *b64_buf;
             size_t b64_len;
 
-            mbedtls_printf( "  . Save serialized context to a file... " );
+            mbedtls_printf("  . Save serialized context to a file... ");
 
-            mbedtls_base64_encode( NULL, 0, &b64_len, context_buf, buf_len );
+            mbedtls_base64_encode(NULL, 0, &b64_len, context_buf, buf_len);
 
-            if( ( b64_buf = mbedtls_calloc( 1, b64_len ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Couldn't allocate buffer for "
-                                "the base64 code\n" );
+            if ((b64_buf = mbedtls_calloc(1, b64_len)) == NULL) {
+                mbedtls_printf("failed\n  ! Couldn't allocate buffer for "
+                               "the base64 code\n");
                 goto exit;
             }
 
-            if( ( ret = mbedtls_base64_encode( b64_buf, b64_len, &b64_len,
-                                               context_buf, buf_len ) ) != 0 )
-            {
-                mbedtls_printf( "failed\n  ! mbedtls_base64_encode returned "
-                            "-0x%x\n", (unsigned int) -ret );
-                mbedtls_free( b64_buf );
+            if ((ret = mbedtls_base64_encode(b64_buf, b64_len, &b64_len,
+                                             context_buf, buf_len)) != 0) {
+                mbedtls_printf("failed\n  ! mbedtls_base64_encode returned "
+                               "-0x%x\n",
+                               (unsigned int)-ret);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( ( b64_file = fopen( opt.context_file, "w" ) ) == NULL )
-            {
-                mbedtls_printf( "failed\n  ! Cannot open '%s' for writing.\n",
-                                opt.context_file );
-                mbedtls_free( b64_buf );
+            if ((b64_file = fopen(opt.context_file, "w")) == NULL) {
+                mbedtls_printf("failed\n  ! Cannot open '%s' for writing.\n",
+                               opt.context_file);
+                mbedtls_free(b64_buf);
                 goto exit;
             }
 
-            if( b64_len != fwrite( b64_buf, 1, b64_len, b64_file ) )
-            {
-                mbedtls_printf( "failed\n  ! fwrite(%ld bytes) failed\n",
-                                (long) b64_len );
-                mbedtls_free( b64_buf );
-                fclose( b64_file );
+            if (b64_len != fwrite(b64_buf, 1, b64_len, b64_file)) {
+                mbedtls_printf("failed\n  ! fwrite(%ld bytes) failed\n",
+                               (long)b64_len);
+                mbedtls_free(b64_buf);
+                fclose(b64_file);
                 goto exit;
             }
 
-            mbedtls_free( b64_buf );
-            fclose( b64_file );
+            mbedtls_free(b64_buf);
+            fclose(b64_file);
 
-            mbedtls_printf( "ok\n" );
+            mbedtls_printf("ok\n");
         }
 
         /*
@@ -3654,10 +3355,9 @@
          * case you can just reset() it, and then it's ready to receive
          * serialized data from another connection (or the same here).
          */
-        if( opt.serialize == 1 )
-        {
+        if (opt.serialize == 1) {
             /* nothing to do here, done by context_save() already */
-            mbedtls_printf( "  . Context has been reset... ok\n" );
+            mbedtls_printf("  . Context has been reset... ok\n");
         }
 
         /*
@@ -3668,18 +3368,17 @@
          * teardown/startup code needed - for example, preparing the
          * ssl_config again (see section 3 "setup stuff" in this file).
          */
-        if( opt.serialize == 2 )
-        {
-            mbedtls_printf( "  . Freeing and reinitializing context..." );
+        if (opt.serialize == 2) {
+            mbedtls_printf("  . Freeing and reinitializing context...");
 
-            mbedtls_ssl_free( &ssl );
+            mbedtls_ssl_free(&ssl);
 
-            mbedtls_ssl_init( &ssl );
+            mbedtls_ssl_init(&ssl);
 
-            if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
-            {
-                mbedtls_printf( " failed\n  ! mbedtls_ssl_setup returned "
-                                "-0x%x\n\n", (unsigned int) -ret );
+            if ((ret = mbedtls_ssl_setup(&ssl, &conf)) != 0) {
+                mbedtls_printf(" failed\n  ! mbedtls_ssl_setup returned "
+                               "-0x%x\n\n",
+                               (unsigned int)-ret);
                 goto exit;
             }
 
@@ -3689,60 +3388,59 @@
              * if you want to share your set up code between the case of
              * establishing a new connection and this case.
              */
-            if( opt.nbio == 2 )
-                mbedtls_ssl_set_bio( &ssl, &client_fd, delayed_send,
-                                     delayed_recv, NULL );
+            if (opt.nbio == 2)
+                mbedtls_ssl_set_bio(&ssl, &client_fd, delayed_send,
+                                    delayed_recv, NULL);
             else
-                mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send,
-                            mbedtls_net_recv,
-                            opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL );
+                mbedtls_ssl_set_bio(
+                    &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv,
+                    opt.nbio == 0 ? mbedtls_net_recv_timeout : NULL);
 
-#if defined(MBEDTLS_TIMING_C)
-                mbedtls_ssl_set_timer_cb( &ssl, &timer,
-                                          mbedtls_timing_set_delay,
-                                          mbedtls_timing_get_delay );
-#endif /* MBEDTLS_TIMING_C */
+#        if defined(MBEDTLS_TIMING_C)
+            mbedtls_ssl_set_timer_cb(&ssl, &timer, mbedtls_timing_set_delay,
+                                     mbedtls_timing_get_delay);
+#        endif /* MBEDTLS_TIMING_C */
 
-            mbedtls_printf( " ok\n" );
+            mbedtls_printf(" ok\n");
         }
 
-        mbedtls_printf( "  . Deserializing connection..." );
+        mbedtls_printf("  . Deserializing connection...");
 
-        if( ( ret = mbedtls_ssl_context_load( &ssl, context_buf,
-                                              buf_len ) ) != 0 )
-        {
-            mbedtls_printf( "failed\n  ! mbedtls_ssl_context_load returned "
-                            "-0x%x\n\n", (unsigned int) -ret );
+        if ((ret = mbedtls_ssl_context_load(&ssl, context_buf, buf_len)) != 0) {
+            mbedtls_printf("failed\n  ! mbedtls_ssl_context_load returned "
+                           "-0x%x\n\n",
+                           (unsigned int)-ret);
 
             goto exit;
         }
 
-        mbedtls_free( context_buf );
+        mbedtls_free(context_buf);
         context_buf = NULL;
         context_buf_len = 0;
 
-        mbedtls_printf( " ok\n" );
+        mbedtls_printf(" ok\n");
     }
-#endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
+#    endif /* MBEDTLS_SSL_CONTEXT_SERIALIZATION */
 
     /*
      * 7c. Continue doing data exchanges?
      */
-    if( --exchanges_left > 0 )
+    if (--exchanges_left > 0)
         goto data_exchange;
 
     /*
      * 8. Done, cleanly close the connection
      */
 close_notify:
-    mbedtls_printf( "  . Closing the connection..." );
+    mbedtls_printf("  . Closing the connection...");
 
     /* No error checking, the connection might be closed already */
-    do ret = mbedtls_ssl_close_notify( &ssl );
-    while( ret == MBEDTLS_ERR_SSL_WANT_WRITE );
+    do
+        ret = mbedtls_ssl_close_notify(&ssl);
+    while (ret == MBEDTLS_ERR_SSL_WANT_WRITE);
     ret = 0;
 
-    mbedtls_printf( " done\n" );
+    mbedtls_printf(" done\n");
 
     goto reset;
 
@@ -3750,142 +3448,135 @@
      * Cleanup and exit
      */
 exit:
-#ifdef MBEDTLS_ERROR_C
-    if( ret != 0 )
-    {
+#    ifdef MBEDTLS_ERROR_C
+    if (ret != 0) {
         char error_buf[100];
-        mbedtls_strerror( ret, error_buf, 100 );
-        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int) -ret, error_buf );
+        mbedtls_strerror(ret, error_buf, 100);
+        mbedtls_printf("Last error was: -0x%X - %s\n\n", (unsigned int)-ret,
+                       error_buf);
     }
-#endif
+#    endif
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        mbedtls_printf( "  . Cleaning up..." );
-        fflush( stdout );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_printf("  . Cleaning up...");
+        fflush(stdout);
     }
 
-    mbedtls_net_free( &client_fd );
-    mbedtls_net_free( &listen_fd );
+    mbedtls_net_free(&client_fd);
+    mbedtls_net_free(&listen_fd);
 
-#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    mbedtls_dhm_free( &dhm );
-#endif
-#if defined(MBEDTLS_X509_CRT_PARSE_C)
-    mbedtls_x509_crt_free( &cacert );
-    mbedtls_x509_crt_free( &srvcert );
-    mbedtls_pk_free( &pkey );
-    mbedtls_x509_crt_free( &srvcert2 );
-    mbedtls_pk_free( &pkey2 );
-#endif
-#if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
-    for( i = 0; (size_t) i < ssl_async_keys.slots_used; i++ )
-    {
-        if( ssl_async_keys.slots[i].pk_owned )
-        {
-            mbedtls_pk_free( ssl_async_keys.slots[i].pk );
-            mbedtls_free( ssl_async_keys.slots[i].pk );
+#    if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+    mbedtls_dhm_free(&dhm);
+#    endif
+#    if defined(MBEDTLS_X509_CRT_PARSE_C)
+    mbedtls_x509_crt_free(&cacert);
+    mbedtls_x509_crt_free(&srvcert);
+    mbedtls_pk_free(&pkey);
+    mbedtls_x509_crt_free(&srvcert2);
+    mbedtls_pk_free(&pkey2);
+#    endif
+#    if defined(MBEDTLS_SSL_ASYNC_PRIVATE)
+    for (i = 0; (size_t)i < ssl_async_keys.slots_used; i++) {
+        if (ssl_async_keys.slots[i].pk_owned) {
+            mbedtls_pk_free(ssl_async_keys.slots[i].pk);
+            mbedtls_free(ssl_async_keys.slots[i].pk);
             ssl_async_keys.slots[i].pk = NULL;
         }
     }
-#endif
-#if defined(SNI_OPTION)
-    sni_free( sni_info );
-#endif
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
-    ret = psk_free( psk_info );
-    if( ( ret != 0 ) && ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        mbedtls_printf( "Failed to list of opaque PSKs - error was %d\n", ret );
-#endif
-#if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
-    mbedtls_dhm_free( &dhm );
-#endif
+#    endif
+#    if defined(SNI_OPTION)
+    sni_free(sni_info);
+#    endif
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
+    ret = psk_free(psk_info);
+    if ((ret != 0) && (opt.query_config_mode == DFL_QUERY_CONFIG_MODE))
+        mbedtls_printf("Failed to list of opaque PSKs - error was %d\n", ret);
+#    endif
+#    if defined(MBEDTLS_DHM_C) && defined(MBEDTLS_FS_IO)
+    mbedtls_dhm_free(&dhm);
+#    endif
 
-#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
-    defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( opt.psk_opaque != 0 )
-    {
+#    if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED) && \
+        defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (opt.psk_opaque != 0) {
         /* This is ok even if the slot hasn't been
          * initialized (we might have jumed here
          * immediately because of bad cmd line params,
          * for example). */
-        status = psa_destroy_key( psk_slot );
-        if( ( status != PSA_SUCCESS ) &&
-            ( opt.query_config_mode == DFL_QUERY_CONFIG_MODE ) )
-        {
-            mbedtls_printf( "Failed to destroy key slot %u - error was %d",
-                            (unsigned) psk_slot, (int) status );
+        status = psa_destroy_key(psk_slot);
+        if ((status != PSA_SUCCESS) &&
+            (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)) {
+            mbedtls_printf("Failed to destroy key slot %u - error was %d",
+                           (unsigned)psk_slot, (int)status);
         }
     }
-#endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED &&
-          MBEDTLS_USE_PSA_CRYPTO */
+#    endif /* MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED && \
+              MBEDTLS_USE_PSA_CRYPTO */
 
-    mbedtls_ssl_free( &ssl );
-    mbedtls_ssl_config_free( &conf );
-    rng_free( &rng );
+    mbedtls_ssl_free(&ssl);
+    mbedtls_ssl_config_free(&conf);
+    rng_free(&rng);
 
-#if defined(MBEDTLS_SSL_CACHE_C)
-    mbedtls_ssl_cache_free( &cache );
-#endif
-#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-    mbedtls_ssl_ticket_free( &ticket_ctx );
-#endif
-#if defined(MBEDTLS_SSL_COOKIE_C)
-    mbedtls_ssl_cookie_free( &cookie_ctx );
-#endif
+#    if defined(MBEDTLS_SSL_CACHE_C)
+    mbedtls_ssl_cache_free(&cache);
+#    endif
+#    if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    mbedtls_ssl_ticket_free(&ticket_ctx);
+#    endif
+#    if defined(MBEDTLS_SSL_COOKIE_C)
+    mbedtls_ssl_cookie_free(&cookie_ctx);
+#    endif
 
-    mbedtls_free( buf );
+    mbedtls_free(buf);
 
-#if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
-    if( context_buf != NULL )
-        mbedtls_platform_zeroize( context_buf, context_buf_len );
-    mbedtls_free( context_buf );
-#endif
+#    if defined(MBEDTLS_SSL_CONTEXT_SERIALIZATION)
+    if (context_buf != NULL)
+        mbedtls_platform_zeroize(context_buf, context_buf_len);
+    mbedtls_free(context_buf);
+#    endif
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    mbedtls_psa_crypto_free( );
-#endif
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    mbedtls_psa_crypto_free();
+#    endif
 
-#if defined(MBEDTLS_TEST_HOOKS)
+#    if defined(MBEDTLS_TEST_HOOKS)
     /* Let test hooks detect errors such as resource leaks.
      * Don't do it in query_config mode, because some test code prints
      * information to stdout and this gets mixed with the regular output. */
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        if( test_hooks_failure_detected( ) )
-        {
-            if( ret == 0 )
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        if (test_hooks_failure_detected()) {
+            if (ret == 0)
                 ret = 1;
-            mbedtls_printf( "Test hooks detected errors.\n" );
+            mbedtls_printf("Test hooks detected errors.\n");
         }
     }
-    test_hooks_free( );
-#endif /* MBEDTLS_TEST_HOOKS */
+    test_hooks_free();
+#    endif /* MBEDTLS_TEST_HOOKS */
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#if defined(MBEDTLS_MEMORY_DEBUG)
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#        if defined(MBEDTLS_MEMORY_DEBUG)
     mbedtls_memory_buffer_alloc_status();
-#endif
+#        endif
     mbedtls_memory_buffer_alloc_free();
-#endif  /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
+#    endif /* MBEDTLS_MEMORY_BUFFER_ALLOC_C */
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-    {
-        mbedtls_printf( " done.\n" );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE) {
+        mbedtls_printf(" done.\n");
 
-#if defined(_WIN32)
-        mbedtls_printf( "  + Press Enter to exit this program.\n" );
-        fflush( stdout ); getchar();
-#endif
+#    if defined(_WIN32)
+        mbedtls_printf("  + Press Enter to exit this program.\n");
+        fflush(stdout);
+        getchar();
+#    endif
     }
 
     // Shell can not handle large exit numbers -> 1 for errors
-    if( ret < 0 )
+    if (ret < 0)
         ret = 1;
 
-    if( opt.query_config_mode == DFL_QUERY_CONFIG_MODE )
-        mbedtls_exit( ret );
+    if (opt.query_config_mode == DFL_QUERY_CONFIG_MODE)
+        mbedtls_exit(ret);
     else
-        mbedtls_exit( query_config_ret );
+        mbedtls_exit(query_config_ret);
 }
 #endif /* !MBEDTLS_SSL_TEST_IMPOSSIBLE && MBEDTLS_SSL_SRV_C */
diff --git a/programs/ssl/ssl_test_common_source.c b/programs/ssl/ssl_test_common_source.c
index 6ca7af3..164c7b3 100644
--- a/programs/ssl/ssl_test_common_source.c
+++ b/programs/ssl/ssl_test_common_source.c
@@ -25,172 +25,167 @@
  */
 
 #if defined(MBEDTLS_SSL_EXPORT_KEYS)
-void eap_tls_key_derivation( void *p_expkey,
-                             mbedtls_ssl_key_export_type secret_type,
-                             const unsigned char *secret,
-                             size_t secret_len,
-                             const unsigned char client_random[32],
-                             const unsigned char server_random[32],
-                             mbedtls_tls_prf_types tls_prf_type )
+void eap_tls_key_derivation(void *p_expkey,
+                            mbedtls_ssl_key_export_type secret_type,
+                            const unsigned char *secret,
+                            size_t secret_len,
+                            const unsigned char client_random[32],
+                            const unsigned char server_random[32],
+                            mbedtls_tls_prf_types tls_prf_type)
 {
     eap_tls_keys *keys = (eap_tls_keys *)p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET)
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    if (secret_len != sizeof(keys->master_secret))
         return;
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
 
-void nss_keylog_export( void *p_expkey,
-                        mbedtls_ssl_key_export_type secret_type,
-                        const unsigned char *secret,
-                        size_t secret_len,
-                        const unsigned char client_random[32],
-                        const unsigned char server_random[32],
-                        mbedtls_tls_prf_types tls_prf_type )
+void nss_keylog_export(void *p_expkey,
+                       mbedtls_ssl_key_export_type secret_type,
+                       const unsigned char *secret,
+                       size_t secret_len,
+                       const unsigned char client_random[32],
+                       const unsigned char server_random[32],
+                       mbedtls_tls_prf_types tls_prf_type)
 {
-    char nss_keylog_line[ 200 ];
+    char nss_keylog_line[200];
     size_t const client_random_len = 32;
     size_t len = 0;
     size_t j;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET)
         return;
 
-    ((void) p_expkey);
-    ((void) server_random);
-    ((void) tls_prf_type);
+    ((void)p_expkey);
+    ((void)server_random);
+    ((void)tls_prf_type);
 
-    len += sprintf( nss_keylog_line + len,
-                    "%s", "CLIENT_RANDOM " );
+    len += sprintf(nss_keylog_line + len, "%s", "CLIENT_RANDOM ");
 
-    for( j = 0; j < client_random_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", client_random[j] );
+    for (j = 0; j < client_random_len; j++) {
+        len += sprintf(nss_keylog_line + len, "%02x", client_random[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, " " );
+    len += sprintf(nss_keylog_line + len, " ");
 
-    for( j = 0; j < secret_len; j++ )
-    {
-        len += sprintf( nss_keylog_line + len,
-                        "%02x", secret[j] );
+    for (j = 0; j < secret_len; j++) {
+        len += sprintf(nss_keylog_line + len, "%02x", secret[j]);
     }
 
-    len += sprintf( nss_keylog_line + len, "\n" );
-    nss_keylog_line[ len ] = '\0';
+    len += sprintf(nss_keylog_line + len, "\n");
+    nss_keylog_line[len] = '\0';
 
-    mbedtls_printf( "\n" );
-    mbedtls_printf( "---------------- NSS KEYLOG -----------------\n" );
-    mbedtls_printf( "%s", nss_keylog_line );
-    mbedtls_printf( "---------------------------------------------\n" );
+    mbedtls_printf("\n");
+    mbedtls_printf("---------------- NSS KEYLOG -----------------\n");
+    mbedtls_printf("%s", nss_keylog_line);
+    mbedtls_printf("---------------------------------------------\n");
 
-    if( opt.nss_keylog_file != NULL )
-    {
+    if (opt.nss_keylog_file != NULL) {
         FILE *f;
 
-        if( ( f = fopen( opt.nss_keylog_file, "a" ) ) == NULL )
-        {
+        if ((f = fopen(opt.nss_keylog_file, "a")) == NULL) {
             goto exit;
         }
 
-        if( fwrite( nss_keylog_line, 1, len, f ) != len )
-        {
-            fclose( f );
+        if (fwrite(nss_keylog_line, 1, len, f) != len) {
+            fclose(f);
             goto exit;
         }
 
-        fclose( f );
+        fclose(f);
     }
 
 exit:
-    mbedtls_platform_zeroize( nss_keylog_line,
-                              sizeof( nss_keylog_line ) );
+    mbedtls_platform_zeroize(nss_keylog_line, sizeof(nss_keylog_line));
 }
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
-void dtls_srtp_key_derivation( void *p_expkey,
-                               mbedtls_ssl_key_export_type secret_type,
-                               const unsigned char *secret,
-                               size_t secret_len,
-                               const unsigned char client_random[32],
-                               const unsigned char server_random[32],
-                               mbedtls_tls_prf_types tls_prf_type )
+#    if defined(MBEDTLS_SSL_DTLS_SRTP)
+void dtls_srtp_key_derivation(void *p_expkey,
+                              mbedtls_ssl_key_export_type secret_type,
+                              const unsigned char *secret,
+                              size_t secret_len,
+                              const unsigned char client_random[32],
+                              const unsigned char server_random[32],
+                              mbedtls_tls_prf_types tls_prf_type)
 {
     dtls_srtp_keys *keys = (dtls_srtp_keys *)p_expkey;
 
     /* We're only interested in the TLS 1.2 master secret */
-    if( secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET )
+    if (secret_type != MBEDTLS_SSL_KEY_EXPORT_TLS12_MASTER_SECRET)
         return;
-    if( secret_len != sizeof( keys->master_secret ) )
+    if (secret_len != sizeof(keys->master_secret))
         return;
 
-    memcpy( keys->master_secret, secret, sizeof( keys->master_secret ) );
-    memcpy( keys->randbytes, client_random, 32 );
-    memcpy( keys->randbytes + 32, server_random, 32 );
+    memcpy(keys->master_secret, secret, sizeof(keys->master_secret));
+    memcpy(keys->randbytes, client_random, 32);
+    memcpy(keys->randbytes + 32, server_random, 32);
     keys->tls_prf_type = tls_prf_type;
 }
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#    endif /* MBEDTLS_SSL_DTLS_SRTP */
 
 #endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-int ssl_check_record( mbedtls_ssl_context const *ssl,
-                      unsigned char const *buf, size_t len )
+int ssl_check_record(mbedtls_ssl_context const *ssl,
+                     unsigned char const *buf,
+                     size_t len)
 {
     int my_ret = 0, ret_cr1, ret_cr2;
     unsigned char *tmp_buf;
 
     /* Record checking may modify the input buffer,
      * so make a copy. */
-    tmp_buf = mbedtls_calloc( 1, len );
-    if( tmp_buf == NULL )
-        return MBEDTLS_ERR_SSL_ALLOC_FAILED ;
-    memcpy( tmp_buf, buf, len );
+    tmp_buf = mbedtls_calloc(1, len);
+    if (tmp_buf == NULL)
+        return MBEDTLS_ERR_SSL_ALLOC_FAILED;
+    memcpy(tmp_buf, buf, len);
 
-    ret_cr1 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-    if( ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE )
-    {
+    ret_cr1 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+    if (ret_cr1 != MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE) {
         /* Test-only: Make sure that mbedtls_ssl_check_record()
          *            doesn't alter state. */
-        memcpy( tmp_buf, buf, len ); /* Restore buffer */
-        ret_cr2 = mbedtls_ssl_check_record( ssl, tmp_buf, len );
-        if( ret_cr2 != ret_cr1 )
-        {
-            mbedtls_printf( "mbedtls_ssl_check_record() returned inconsistent results.\n" );
+        memcpy(tmp_buf, buf, len); /* Restore buffer */
+        ret_cr2 = mbedtls_ssl_check_record(ssl, tmp_buf, len);
+        if (ret_cr2 != ret_cr1) {
+            mbedtls_printf(
+                "mbedtls_ssl_check_record() returned inconsistent results.\n");
             my_ret = -1;
             goto cleanup;
         }
 
-        switch( ret_cr1 )
-        {
+        switch (ret_cr1) {
             case 0:
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected invalid record.\n" );
+                if (opt.debug_level > 1)
+                    mbedtls_printf(
+                        "mbedtls_ssl_check_record() detected invalid record.\n");
                 break;
 
             case MBEDTLS_ERR_SSL_INVALID_MAC:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unauthentic record.\n" );
+                if (opt.debug_level > 1)
+                    mbedtls_printf(
+                        "mbedtls_ssl_check_record() detected unauthentic record.\n");
                 break;
 
             case MBEDTLS_ERR_SSL_UNEXPECTED_RECORD:
-                if( opt.debug_level > 1 )
-                    mbedtls_printf( "mbedtls_ssl_check_record() detected unexpected record.\n" );
+                if (opt.debug_level > 1)
+                    mbedtls_printf(
+                        "mbedtls_ssl_check_record() detected unexpected record.\n");
                 break;
 
             default:
-                mbedtls_printf( "mbedtls_ssl_check_record() failed fatally with -%#04x.\n", (unsigned int) -ret_cr1 );
+                mbedtls_printf(
+                    "mbedtls_ssl_check_record() failed fatally with -%#04x.\n",
+                    (unsigned int)-ret_cr1);
                 my_ret = -1;
                 goto cleanup;
         }
@@ -199,89 +194,86 @@
     }
 
 cleanup:
-    mbedtls_free( tmp_buf );
+    mbedtls_free(tmp_buf);
 
-    return my_ret ;
+    return my_ret;
 }
 
-int recv_cb( void *ctx, unsigned char *buf, size_t len )
+int recv_cb(void *ctx, unsigned char *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *)ctx;
     size_t recv_len;
     int ret;
 
-    if( opt.nbio == 2 )
-        ret = delayed_recv( io_ctx->net, buf, len );
+    if (opt.nbio == 2)
+        ret = delayed_recv(io_ctx->net, buf, len);
     else
-        ret = mbedtls_net_recv( io_ctx->net, buf, len );
-    if( ret < 0 )
-        return ret ;
-    recv_len = (size_t) ret;
+        ret = mbedtls_net_recv(io_ctx->net, buf, len);
+    if (ret < 0)
+        return ret;
+    recv_len = (size_t)ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return -1 ;
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0)
+            return -1;
     }
 
-    return (int) recv_len ;
+    return (int)recv_len;
 }
 
-int recv_timeout_cb( void *ctx, unsigned char *buf, size_t len,
-                     uint32_t timeout )
+int recv_timeout_cb(void *ctx, unsigned char *buf, size_t len, uint32_t timeout)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *)ctx;
     int ret;
     size_t recv_len;
 
-    ret = mbedtls_net_recv_timeout( io_ctx->net, buf, len, timeout );
-    if( ret < 0 )
-        return ret ;
-    recv_len = (size_t) ret;
+    ret = mbedtls_net_recv_timeout(io_ctx->net, buf, len, timeout);
+    if (ret < 0)
+        return ret;
+    recv_len = (size_t)ret;
 
-    if( opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
-    {
+    if (opt.transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM) {
         /* Here's the place to do any datagram/record checking
          * in between receiving the packet from the underlying
          * transport and passing it on to the TLS stack. */
-        if( ssl_check_record( io_ctx->ssl, buf, recv_len ) != 0 )
-            return -1 ;
+        if (ssl_check_record(io_ctx->ssl, buf, recv_len) != 0)
+            return -1;
     }
 
-    return (int) recv_len ;
+    return (int)recv_len;
 }
 
-int send_cb( void *ctx, unsigned char const *buf, size_t len )
+int send_cb(void *ctx, unsigned char const *buf, size_t len)
 {
-    io_ctx_t *io_ctx = (io_ctx_t*) ctx;
+    io_ctx_t *io_ctx = (io_ctx_t *)ctx;
 
-    if( opt.nbio == 2 )
-        return delayed_send( io_ctx->net, buf, len ) ;
+    if (opt.nbio == 2)
+        return delayed_send(io_ctx->net, buf, len);
 
-    return mbedtls_net_send( io_ctx->net, buf, len ) ;
+    return mbedtls_net_send(io_ctx->net, buf, len);
 }
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C)
 int ssl_sig_hashes_for_test[] = {
-#if defined(MBEDTLS_SHA512_C)
+#    if defined(MBEDTLS_SHA512_C)
     MBEDTLS_MD_SHA512,
-#endif
-#if defined(MBEDTLS_SHA384_C)
+#    endif
+#    if defined(MBEDTLS_SHA384_C)
     MBEDTLS_MD_SHA384,
-#endif
-#if defined(MBEDTLS_SHA256_C)
+#    endif
+#    if defined(MBEDTLS_SHA256_C)
     MBEDTLS_MD_SHA256,
-#endif
-#if defined(MBEDTLS_SHA224_C)
+#    endif
+#    if defined(MBEDTLS_SHA224_C)
     MBEDTLS_MD_SHA224,
-#endif
-#if defined(MBEDTLS_SHA1_C)
+#    endif
+#    if defined(MBEDTLS_SHA1_C)
     /* Allow SHA-1 as we use it extensively in tests. */
     MBEDTLS_MD_SHA1,
-#endif
+#    endif
     MBEDTLS_MD_NONE
 };
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
@@ -290,36 +282,38 @@
 /** Functionally equivalent to mbedtls_x509_crt_verify_info, see that function
  *  for more info.
  */
-int x509_crt_verify_info( char *buf, size_t size, const char *prefix,
-                          uint32_t flags )
+int x509_crt_verify_info(char *buf,
+                         size_t size,
+                         const char *prefix,
+                         uint32_t flags)
 {
-#if !defined(MBEDTLS_X509_REMOVE_INFO)
-    return mbedtls_x509_crt_verify_info( buf, size, prefix, flags ) ;
+#    if !defined(MBEDTLS_X509_REMOVE_INFO)
+    return mbedtls_x509_crt_verify_info(buf, size, prefix, flags);
 
-#else /* !MBEDTLS_X509_REMOVE_INFO */
+#    else /* !MBEDTLS_X509_REMOVE_INFO */
     int ret;
     char *p = buf;
     size_t n = size;
 
-#define X509_CRT_ERROR_INFO( err, err_str, info )                      \
-    if( ( flags & err ) != 0 )                                         \
-    {                                                                  \
-        ret = mbedtls_snprintf( p, n, "%s%s\n", prefix, info );        \
-        MBEDTLS_X509_SAFE_SNPRINTF;                                    \
-        flags ^= err;                                                  \
-    }
+#        define X509_CRT_ERROR_INFO(err, err_str, info)               \
+            if ((flags & err) != 0) {                                 \
+                ret = mbedtls_snprintf(p, n, "%s%s\n", prefix, info); \
+                MBEDTLS_X509_SAFE_SNPRINTF;                           \
+                flags ^= err;                                         \
+            }
 
     MBEDTLS_X509_CRT_ERROR_INFO_LIST
-#undef X509_CRT_ERROR_INFO
+#        undef X509_CRT_ERROR_INFO
 
-    if( flags != 0 )
-    {
-        ret = mbedtls_snprintf( p, n, "%sUnknown reason "
-                                       "(this should not happen)\n", prefix );
+    if (flags != 0) {
+        ret = mbedtls_snprintf(p, n,
+                               "%sUnknown reason "
+                               "(this should not happen)\n",
+                               prefix);
         MBEDTLS_X509_SAFE_SNPRINTF;
     }
 
-    return( (int) ( size - n ) );
-#endif /* MBEDTLS_X509_REMOVE_INFO */
+    return ((int)(size - n));
+#    endif /* MBEDTLS_X509_REMOVE_INFO */
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C */
diff --git a/programs/ssl/ssl_test_lib.c b/programs/ssl/ssl_test_lib.c
index 382682f..58804e6 100644
--- a/programs/ssl/ssl_test_lib.c
+++ b/programs/ssl/ssl_test_lib.c
@@ -25,178 +25,173 @@
 #include "ssl_test_lib.h"
 
 #if defined(MBEDTLS_TEST_HOOKS)
-#include "test/helpers.h"
+#    include "test/helpers.h"
 #endif
 
 #if !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE)
 
-void my_debug( void *ctx, int level,
-               const char *file, int line,
-               const char *str )
+void my_debug(void *ctx, int level, const char *file, int line, const char *str)
 {
     const char *p, *basename;
 
     /* Extract basename from file */
-    for( p = basename = file; *p != '\0'; p++ )
-        if( *p == '/' || *p == '\\' )
+    for (p = basename = file; *p != '\0'; p++)
+        if (*p == '/' || *p == '\\')
             basename = p + 1;
 
-    mbedtls_fprintf( (FILE *) ctx, "%s:%04d: |%d| %s",
-                     basename, line, level, str );
-    fflush( (FILE *) ctx  );
+    mbedtls_fprintf((FILE *)ctx, "%s:%04d: |%d| %s", basename, line, level,
+                    str);
+    fflush((FILE *)ctx);
 }
 
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time)
 {
-    (void) time;
+    (void)time;
     return 0x5af2a056;
 }
 
-#if !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-static int dummy_entropy( void *data, unsigned char *output, size_t len )
+#    if !defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+static int dummy_entropy(void *data, unsigned char *output, size_t len)
 {
     size_t i;
     int ret;
-    (void) data;
+    (void)data;
 
-    ret = mbedtls_entropy_func( data, output, len );
-    for( i = 0; i < len; i++ )
-    {
-        //replace result with pseudo random
-        output[i] = (unsigned char) rand();
+    ret = mbedtls_entropy_func(data, output, len);
+    for (i = 0; i < len; i++) {
+        // replace result with pseudo random
+        output[i] = (unsigned char)rand();
     }
-    return ret ;
+    return ret;
 }
-#endif
+#    endif
 
-void rng_init( rng_context_t *rng )
+void rng_init(rng_context_t *rng)
 {
-#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-    (void) rng;
-    psa_crypto_init( );
-#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#    if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+    (void)rng;
+    psa_crypto_init();
+#    else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
-#if defined(MBEDTLS_CTR_DRBG_C)
-    mbedtls_ctr_drbg_init( &rng->drbg );
-#elif defined(MBEDTLS_HMAC_DRBG_C)
-    mbedtls_hmac_drbg_init( &rng->drbg );
-#else
-#error "No DRBG available"
-#endif
+#        if defined(MBEDTLS_CTR_DRBG_C)
+    mbedtls_ctr_drbg_init(&rng->drbg);
+#        elif defined(MBEDTLS_HMAC_DRBG_C)
+    mbedtls_hmac_drbg_init(&rng->drbg);
+#        else
+#            error "No DRBG available"
+#        endif
 
-    mbedtls_entropy_init( &rng->entropy );
-#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+    mbedtls_entropy_init(&rng->entropy);
+#    endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-int rng_seed( rng_context_t *rng, int reproducible, const char *pers )
+int rng_seed(rng_context_t *rng, int reproducible, const char *pers)
 {
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
-    if( reproducible )
-    {
-        mbedtls_fprintf( stderr,
-                         "MBEDTLS_USE_PSA_CRYPTO does not support reproducible mode.\n" );
-        return -1 ;
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
+    if (reproducible) {
+        mbedtls_fprintf(
+            stderr,
+            "MBEDTLS_USE_PSA_CRYPTO does not support reproducible mode.\n");
+        return -1;
     }
-#endif
-#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+#    endif
+#    if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     /* The PSA crypto RNG does its own seeding. */
-    (void) rng;
-    (void) pers;
-    if( reproducible )
-    {
-        mbedtls_fprintf( stderr,
-                         "The PSA RNG does not support reproducible mode.\n" );
-        return -1 ;
+    (void)rng;
+    (void)pers;
+    if (reproducible) {
+        mbedtls_fprintf(stderr,
+                        "The PSA RNG does not support reproducible mode.\n");
+        return -1;
     }
-    return 0 ;
-#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
-    int ( *f_entropy )( void *, unsigned char *, size_t ) =
-        ( reproducible ? dummy_entropy : mbedtls_entropy_func );
+    return 0;
+#    else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+    int (*f_entropy)(void *, unsigned char *, size_t) =
+        (reproducible ? dummy_entropy : mbedtls_entropy_func);
 
-    if ( reproducible )
-        srand( 1 );
+    if (reproducible)
+        srand(1);
 
-#if defined(MBEDTLS_CTR_DRBG_C)
-    int ret = mbedtls_ctr_drbg_seed( &rng->drbg,
-                                     f_entropy, &rng->entropy,
-                                     (const unsigned char *) pers,
-                                     strlen( pers ) );
-#elif defined(MBEDTLS_HMAC_DRBG_C)
-#if defined(MBEDTLS_SHA256_C)
+#        if defined(MBEDTLS_CTR_DRBG_C)
+    int ret = mbedtls_ctr_drbg_seed(&rng->drbg, f_entropy, &rng->entropy,
+                                    (const unsigned char *)pers, strlen(pers));
+#        elif defined(MBEDTLS_HMAC_DRBG_C)
+#            if defined(MBEDTLS_SHA256_C)
     const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
-#elif defined(MBEDTLS_SHA512_C)
+#            elif defined(MBEDTLS_SHA512_C)
     const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA512;
-#else
-#error "No message digest available for HMAC_DRBG"
-#endif
-    int ret = mbedtls_hmac_drbg_seed( &rng->drbg,
-                                      mbedtls_md_info_from_type( md_type ),
-                                      f_entropy, &rng->entropy,
-                                      (const unsigned char *) pers,
-                                      strlen( pers ) );
-#else /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
-#error "No DRBG available"
-#endif /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) */
+#            else
+#                error "No message digest available for HMAC_DRBG"
+#            endif
+    int ret = mbedtls_hmac_drbg_seed(&rng->drbg,
+                                     mbedtls_md_info_from_type(md_type),
+                                     f_entropy, &rng->entropy,
+                                     (const unsigned char *)pers, strlen(pers));
+#        else /* !defined(MBEDTLS_CTR_DRBG_C) && !defined(MBEDTLS_HMAC_DRBG_C) \
+               */
+#            error "No DRBG available"
+#        endif /* !defined(MBEDTLS_CTR_DRBG_C) && \
+                  !defined(MBEDTLS_HMAC_DRBG_C) */
 
-    if( ret != 0 )
-    {
-        mbedtls_printf( " failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
-                        (unsigned int) -ret );
-        return ret ;
+    if (ret != 0) {
+        mbedtls_printf(" failed\n  ! mbedtls_ctr_drbg_seed returned -0x%x\n",
+                       (unsigned int)-ret);
+        return ret;
     }
-#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#    endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
-    return 0 ;
+    return 0;
 }
 
-void rng_free( rng_context_t *rng )
+void rng_free(rng_context_t *rng)
 {
-#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-    (void) rng;
+#    if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+    (void)rng;
     /* Deinitialize the PSA crypto subsystem. This deactivates all PSA APIs.
      * This is ok because none of our applications try to do any crypto after
      * deinitializing the RNG. */
-    mbedtls_psa_crypto_free( );
-#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+    mbedtls_psa_crypto_free();
+#    else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 
-#if defined(MBEDTLS_CTR_DRBG_C)
-    mbedtls_ctr_drbg_free( &rng->drbg );
-#elif defined(MBEDTLS_HMAC_DRBG_C)
-    mbedtls_hmac_drbg_free( &rng->drbg );
-#else
-#error "No DRBG available"
-#endif
+#        if defined(MBEDTLS_CTR_DRBG_C)
+    mbedtls_ctr_drbg_free(&rng->drbg);
+#        elif defined(MBEDTLS_HMAC_DRBG_C)
+    mbedtls_hmac_drbg_free(&rng->drbg);
+#        else
+#            error "No DRBG available"
+#        endif
 
-    mbedtls_entropy_free( &rng->entropy );
-#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+    mbedtls_entropy_free(&rng->entropy);
+#    endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-int rng_get( void *p_rng, unsigned char *output, size_t output_len )
+int rng_get(void *p_rng, unsigned char *output, size_t output_len)
 {
-#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-    (void) p_rng;
-    return( mbedtls_psa_get_random( MBEDTLS_PSA_RANDOM_STATE,
-                                    output, output_len ) );
-#else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#    if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+    (void)p_rng;
+    return (
+        mbedtls_psa_get_random(MBEDTLS_PSA_RANDOM_STATE, output, output_len));
+#    else /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
     rng_context_t *rng = p_rng;
 
-#if defined(MBEDTLS_CTR_DRBG_C)
-    return mbedtls_ctr_drbg_random( &rng->drbg, output, output_len ) ;
-#elif defined(MBEDTLS_HMAC_DRBG_C)
-    return mbedtls_hmac_drbg_random( &rng->drbg, output, output_len ) ;
-#else
-#error "No DRBG available"
-#endif
+#        if defined(MBEDTLS_CTR_DRBG_C)
+    return mbedtls_ctr_drbg_random(&rng->drbg, output, output_len);
+#        elif defined(MBEDTLS_HMAC_DRBG_C)
+    return mbedtls_hmac_drbg_random(&rng->drbg, output, output_len);
+#        else
+#            error "No DRBG available"
+#        endif
 
-#endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#    endif /* !MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 }
 
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates )
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback(void *data,
+                mbedtls_x509_crt const *child,
+                mbedtls_x509_crt **candidates)
 {
     int ret = 0;
-    mbedtls_x509_crt *ca = (mbedtls_x509_crt *) data;
+    mbedtls_x509_crt *ca = (mbedtls_x509_crt *)data;
     mbedtls_x509_crt *first;
 
     /* This is a test-only implementation of the CA callback
@@ -207,27 +202,23 @@
      * return those trusted certificates which satisfy basic
      * parental checks, such as the matching of child `Issuer`
      * and parent `Subject` field or matching key identifiers. */
-    ((void) child);
+    ((void)child);
 
-    first = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) );
-    if( first == NULL )
-    {
+    first = mbedtls_calloc(1, sizeof(mbedtls_x509_crt));
+    if (first == NULL) {
         ret = -1;
         goto exit;
     }
-    mbedtls_x509_crt_init( first );
+    mbedtls_x509_crt_init(first);
 
-    if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-    {
+    if (mbedtls_x509_crt_parse_der(first, ca->raw.p, ca->raw.len) != 0) {
         ret = -1;
         goto exit;
     }
 
-    while( ca->next != NULL )
-    {
+    while (ca->next != NULL) {
         ca = ca->next;
-        if( mbedtls_x509_crt_parse_der( first, ca->raw.p, ca->raw.len ) != 0 )
-        {
+        if (mbedtls_x509_crt_parse_der(first, ca->raw.p, ca->raw.len) != 0) {
             ret = -1;
             goto exit;
         }
@@ -235,125 +226,117 @@
 
 exit:
 
-    if( ret != 0 )
-    {
-        mbedtls_x509_crt_free( first );
-        mbedtls_free( first );
+    if (ret != 0) {
+        mbedtls_x509_crt_free(first);
+        mbedtls_free(first);
         first = NULL;
     }
 
     *candidates = first;
-    return ret ;
+    return ret;
 }
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+#    endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
-int delayed_recv( void *ctx, unsigned char *buf, size_t len )
+int delayed_recv(void *ctx, unsigned char *buf, size_t len)
 {
     static int first_try = 1;
     int ret;
 
-    if( first_try )
-    {
+    if (first_try) {
         first_try = 0;
-        return MBEDTLS_ERR_SSL_WANT_READ ;
+        return MBEDTLS_ERR_SSL_WANT_READ;
     }
 
-    ret = mbedtls_net_recv( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_READ )
+    ret = mbedtls_net_recv(ctx, buf, len);
+    if (ret != MBEDTLS_ERR_SSL_WANT_READ)
         first_try = 1; /* Next call will be a new operation */
-    return ret ;
+    return ret;
 }
 
-int delayed_send( void *ctx, const unsigned char *buf, size_t len )
+int delayed_send(void *ctx, const unsigned char *buf, size_t len)
 {
     static int first_try = 1;
     int ret;
 
-    if( first_try )
-    {
+    if (first_try) {
         first_try = 0;
-        return MBEDTLS_ERR_SSL_WANT_WRITE ;
+        return MBEDTLS_ERR_SSL_WANT_WRITE;
     }
 
-    ret = mbedtls_net_send( ctx, buf, len );
-    if( ret != MBEDTLS_ERR_SSL_WANT_WRITE )
+    ret = mbedtls_net_send(ctx, buf, len);
+    if (ret != MBEDTLS_ERR_SSL_WANT_WRITE)
         first_try = 1; /* Next call will be a new operation */
-    return ret ;
+    return ret;
 }
 
-#if !defined(MBEDTLS_TIMING_C)
-int idle( mbedtls_net_context *fd,
-          int idle_reason )
-#else
-int idle( mbedtls_net_context *fd,
-          mbedtls_timing_delay_context *timer,
-          int idle_reason )
-#endif
+#    if !defined(MBEDTLS_TIMING_C)
+int idle(mbedtls_net_context *fd, int idle_reason)
+#    else
+int idle(mbedtls_net_context *fd,
+         mbedtls_timing_delay_context *timer,
+         int idle_reason)
+#    endif
 {
     int ret;
     int poll_type = 0;
 
-    if( idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE )
+    if (idle_reason == MBEDTLS_ERR_SSL_WANT_WRITE)
         poll_type = MBEDTLS_NET_POLL_WRITE;
-    else if( idle_reason == MBEDTLS_ERR_SSL_WANT_READ )
+    else if (idle_reason == MBEDTLS_ERR_SSL_WANT_READ)
         poll_type = MBEDTLS_NET_POLL_READ;
-#if !defined(MBEDTLS_TIMING_C)
+#    if !defined(MBEDTLS_TIMING_C)
     else
-        return 0 ;
-#endif
+        return 0;
+#    endif
 
-    while( 1 )
-    {
+    while (1) {
         /* Check if timer has expired */
-#if defined(MBEDTLS_TIMING_C)
-        if( timer != NULL &&
-            mbedtls_timing_get_delay( timer ) == 2 )
-        {
+#    if defined(MBEDTLS_TIMING_C)
+        if (timer != NULL && mbedtls_timing_get_delay(timer) == 2) {
             break;
         }
-#endif /* MBEDTLS_TIMING_C */
+#    endif /* MBEDTLS_TIMING_C */
 
         /* Check if underlying transport became available */
-        if( poll_type != 0 )
-        {
-            ret = mbedtls_net_poll( fd, poll_type, 0 );
-            if( ret < 0 )
-                return ret ;
-            if( ret == poll_type )
+        if (poll_type != 0) {
+            ret = mbedtls_net_poll(fd, poll_type, 0);
+            if (ret < 0)
+                return ret;
+            if (ret == poll_type)
                 break;
         }
     }
 
-    return 0 ;
+    return 0;
 }
 
-#if defined(MBEDTLS_TEST_HOOKS)
+#    if defined(MBEDTLS_TEST_HOOKS)
 
-void test_hooks_init( void )
+void test_hooks_init(void)
 {
-    mbedtls_test_info_reset( );
+    mbedtls_test_info_reset();
 
-#if defined(MBEDTLS_TEST_MUTEX_USAGE)
-    mbedtls_test_mutex_usage_init( );
-#endif
+#        if defined(MBEDTLS_TEST_MUTEX_USAGE)
+    mbedtls_test_mutex_usage_init();
+#        endif
 }
 
-int test_hooks_failure_detected( void )
+int test_hooks_failure_detected(void)
 {
-#if defined(MBEDTLS_TEST_MUTEX_USAGE)
+#        if defined(MBEDTLS_TEST_MUTEX_USAGE)
     /* Errors are reported via mbedtls_test_info. */
-    mbedtls_test_mutex_usage_check( );
-#endif
+    mbedtls_test_mutex_usage_check();
+#        endif
 
-    if( mbedtls_test_info.result != MBEDTLS_TEST_RESULT_SUCCESS )
-        return 1 ;
-    return 0 ;
+    if (mbedtls_test_info.result != MBEDTLS_TEST_RESULT_SUCCESS)
+        return 1;
+    return 0;
 }
 
-void test_hooks_free( void )
+void test_hooks_free(void)
 {
 }
 
-#endif /* MBEDTLS_TEST_HOOKS */
+#    endif /* MBEDTLS_TEST_HOOKS */
 
 #endif /* !defined(MBEDTLS_SSL_TEST_IMPOSSIBLE) */
diff --git a/programs/ssl/ssl_test_lib.h b/programs/ssl/ssl_test_lib.h
index f9e031b..b3395f7 100644
--- a/programs/ssl/ssl_test_lib.h
+++ b/programs/ssl/ssl_test_lib.h
@@ -23,120 +23,114 @@
 #include "mbedtls/build_info.h"
 
 #if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
+#    include "mbedtls/platform.h"
 #else
-#include <stdio.h>
-#include <stdlib.h>
-#define mbedtls_calloc     calloc
-#define mbedtls_free       free
-#define mbedtls_time       time
-#define mbedtls_time_t     time_t
-#define mbedtls_printf     printf
-#define mbedtls_fprintf    fprintf
-#define mbedtls_snprintf   snprintf
-#define mbedtls_exit            exit
-#define MBEDTLS_EXIT_SUCCESS    EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE    EXIT_FAILURE
+#    include <stdio.h>
+#    include <stdlib.h>
+#    define mbedtls_calloc       calloc
+#    define mbedtls_free         free
+#    define mbedtls_time         time
+#    define mbedtls_time_t       time_t
+#    define mbedtls_printf       printf
+#    define mbedtls_fprintf      fprintf
+#    define mbedtls_snprintf     snprintf
+#    define mbedtls_exit         exit
+#    define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
+#    define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
 #endif
 
 #undef HAVE_RNG
-#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) &&         \
-    ( defined(MBEDTLS_USE_PSA_CRYPTO) ||                \
-      defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG) )
-#define HAVE_RNG
+#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) && \
+    (defined(MBEDTLS_USE_PSA_CRYPTO) ||         \
+     defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG))
+#    define HAVE_RNG
 #elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_CTR_DRBG_C)
-#define HAVE_RNG
-#elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_HMAC_DRBG_C) &&     \
-    ( defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C) )
-#define HAVE_RNG
+#    define HAVE_RNG
+#elif defined(MBEDTLS_ENTROPY_C) && defined(MBEDTLS_HMAC_DRBG_C) && \
+    (defined(MBEDTLS_SHA256_C) || defined(MBEDTLS_SHA512_C))
+#    define HAVE_RNG
 #endif
 
-#if !defined(MBEDTLS_NET_C) ||                              \
-    !defined(MBEDTLS_SSL_TLS_C) ||                          \
+#if !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_TLS_C) || \
     defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
-#define MBEDTLS_SSL_TEST_IMPOSSIBLE                             \
-    "MBEDTLS_NET_C and/or "                                     \
-    "MBEDTLS_SSL_TLS_C not defined, "                           \
-    "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n"
+#    define MBEDTLS_SSL_TEST_IMPOSSIBLE   \
+        "MBEDTLS_NET_C and/or "           \
+        "MBEDTLS_SSL_TLS_C not defined, " \
+        "and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n"
 #elif !defined(HAVE_RNG)
-#define MBEDTLS_SSL_TEST_IMPOSSIBLE             \
-    "No random generator is available.\n"
+#    define MBEDTLS_SSL_TEST_IMPOSSIBLE "No random generator is available.\n"
 #else
-#undef MBEDTLS_SSL_TEST_IMPOSSIBLE
+#    undef MBEDTLS_SSL_TEST_IMPOSSIBLE
 
-#undef HAVE_RNG
+#    undef HAVE_RNG
 
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
 
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/hmac_drbg.h"
-#include "mbedtls/x509.h"
-#include "mbedtls/error.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/timing.h"
-#include "mbedtls/base64.h"
-#include "test/certs.h"
+#    include "mbedtls/net_sockets.h"
+#    include "mbedtls/ssl.h"
+#    include "mbedtls/entropy.h"
+#    include "mbedtls/ctr_drbg.h"
+#    include "mbedtls/hmac_drbg.h"
+#    include "mbedtls/x509.h"
+#    include "mbedtls/error.h"
+#    include "mbedtls/debug.h"
+#    include "mbedtls/timing.h"
+#    include "mbedtls/base64.h"
+#    include "test/certs.h"
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO) || defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
-#include "psa/crypto.h"
-#include "mbedtls/psa_util.h"
-#endif
+#    if defined(MBEDTLS_USE_PSA_CRYPTO) || \
+        defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+#        include "psa/crypto.h"
+#        include "mbedtls/psa_util.h"
+#    endif
 
-#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
-#include "mbedtls/memory_buffer_alloc.h"
-#endif
+#    if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
+#        include "mbedtls/memory_buffer_alloc.h"
+#    endif
 
-#include <test/helpers.h>
+#    include <test/helpers.h>
 
-#include "../test/query_config.h"
+#    include "../test/query_config.h"
 
-#if defined(MBEDTLS_SSL_EXPORT_KEYS)
+#    if defined(MBEDTLS_SSL_EXPORT_KEYS)
 
-typedef struct eap_tls_keys
-{
+typedef struct eap_tls_keys {
     unsigned char master_secret[48];
     unsigned char randbytes[64];
     mbedtls_tls_prf_types tls_prf_type;
 } eap_tls_keys;
 
-#if defined( MBEDTLS_SSL_DTLS_SRTP )
+#        if defined(MBEDTLS_SSL_DTLS_SRTP)
 
 /* Supported SRTP mode needs a maximum of :
  * - 16 bytes for key (AES-128)
  * - 14 bytes SALT
  * One for sender, one for receiver context
  */
-#define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH    60
+#            define MBEDTLS_TLS_SRTP_MAX_KEY_MATERIAL_LENGTH 60
 
-typedef struct dtls_srtp_keys
-{
+typedef struct dtls_srtp_keys {
     unsigned char master_secret[48];
     unsigned char randbytes[64];
     mbedtls_tls_prf_types tls_prf_type;
 } dtls_srtp_keys;
 
-#endif /* MBEDTLS_SSL_DTLS_SRTP */
+#        endif /* MBEDTLS_SSL_DTLS_SRTP */
 
-#endif /* MBEDTLS_SSL_EXPORT_KEYS */
+#    endif /* MBEDTLS_SSL_EXPORT_KEYS */
 
-typedef struct
-{
+typedef struct {
     mbedtls_ssl_context *ssl;
     mbedtls_net_context *net;
 } io_ctx_t;
 
-void my_debug( void *ctx, int level,
-               const char *file, int line,
-               const char *str );
+void my_debug(void *ctx, int level, const char *file, int line, const char *str);
 
-mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
+mbedtls_time_t dummy_constant_time(mbedtls_time_t *time);
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO)
 /* If MBEDTLS_TEST_USE_PSA_CRYPTO_RNG is defined, the SSL test programs will use
  * mbedtls_psa_get_random() rather than entropy+DRBG as a random generator.
  *
@@ -158,25 +152,24 @@
  * perspective: either PSA is preferred for TLS (both for crypto and for
  * random generation) or it isn't.
  */
-#define MBEDTLS_TEST_USE_PSA_CRYPTO_RNG
-#endif
+#        define MBEDTLS_TEST_USE_PSA_CRYPTO_RNG
+#    endif
 
 /** A context for random number generation (RNG).
  */
-typedef struct
-{
-#if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
+typedef struct {
+#    if defined(MBEDTLS_TEST_USE_PSA_CRYPTO_RNG)
     unsigned char dummy;
-#else /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#    else /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
     mbedtls_entropy_context entropy;
-#if defined(MBEDTLS_CTR_DRBG_C)
+#        if defined(MBEDTLS_CTR_DRBG_C)
     mbedtls_ctr_drbg_context drbg;
-#elif defined(MBEDTLS_HMAC_DRBG_C)
+#        elif defined(MBEDTLS_HMAC_DRBG_C)
     mbedtls_hmac_drbg_context drbg;
-#else
-#error "No DRBG available"
-#endif
-#endif /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
+#        else
+#            error "No DRBG available"
+#        endif
+#    endif /* MBEDTLS_TEST_USE_PSA_CRYPTO_RNG */
 } rng_context_t;
 
 /** Initialize the RNG.
@@ -184,7 +177,7 @@
  * This function only initializes the memory used by the RNG context.
  * Before using the RNG, it must be seeded with rng_seed().
  */
-void rng_init( rng_context_t *rng );
+void rng_init(rng_context_t *rng);
 
 /* Seed the random number generator.
  *
@@ -200,14 +193,14 @@
  *
  * return 0 on success, a negative value on error.
  */
-int rng_seed( rng_context_t *rng, int reproducible, const char *pers );
+int rng_seed(rng_context_t *rng, int reproducible, const char *pers);
 
 /** Deinitialize the RNG. Free any embedded resource.
  *
  * \param rng           The RNG context to deinitialize. It must have been
  *                      initialized with rng_init().
  */
-void rng_free( rng_context_t *rng );
+void rng_free(rng_context_t *rng);
 
 /** Generate random data.
  *
@@ -222,42 +215,44 @@
  * \return              \c 0 on success.
  * \return              An Mbed TLS error code on error.
  */
-int rng_get( void *p_rng, unsigned char *output, size_t output_len );
+int rng_get(void *p_rng, unsigned char *output, size_t output_len);
 
-#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
+#    if defined(MBEDTLS_USE_PSA_CRYPTO) && \
+        defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
 /* The test implementation of the PSA external RNG is insecure. When
  * MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled, before using any PSA crypto
  * function that makes use of an RNG, you must call
  * mbedtls_test_enable_insecure_external_rng(). */
-#include <test/fake_external_rng_for_test.h>
-#endif
+#        include <test/fake_external_rng_for_test.h>
+#    endif
 
-#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
-int ca_callback( void *data, mbedtls_x509_crt const *child,
-                 mbedtls_x509_crt **candidates );
-#endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
+#    if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
+int ca_callback(void *data,
+                mbedtls_x509_crt const *child,
+                mbedtls_x509_crt **candidates);
+#    endif /* MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK */
 
 /*
  * Test recv/send functions that make sure each try returns
  * WANT_READ/WANT_WRITE at least once before sucesseding
  */
-int delayed_recv( void *ctx, unsigned char *buf, size_t len );
-int delayed_send( void *ctx, const unsigned char *buf, size_t len );
+int delayed_recv(void *ctx, unsigned char *buf, size_t len);
+int delayed_send(void *ctx, const unsigned char *buf, size_t len);
 
 /*
  * Wait for an event from the underlying transport or the timer
  * (Used in event-driven IO mode).
  */
-int idle( mbedtls_net_context *fd,
-#if defined(MBEDTLS_TIMING_C)
-          mbedtls_timing_delay_context *timer,
-#endif
-          int idle_reason );
+int idle(mbedtls_net_context *fd,
+#    if defined(MBEDTLS_TIMING_C)
+         mbedtls_timing_delay_context *timer,
+#    endif
+         int idle_reason);
 
-#if defined(MBEDTLS_TEST_HOOKS)
+#    if defined(MBEDTLS_TEST_HOOKS)
 /** Initialize whatever test hooks are enabled by the compile-time
  * configuration and make sense for the TLS test programs. */
-void test_hooks_init( void );
+void test_hooks_init(void);
 
 /** Check if any test hooks detected a problem.
  *
@@ -275,16 +270,16 @@
  * \return Nonzero if a problem was detected.
  *         \c 0 if no problem was detected.
  */
-int test_hooks_failure_detected( void );
+int test_hooks_failure_detected(void);
 
 /** Free any resources allocated for the sake of test hooks.
  *
  * Call this at the end of the program so that resource leak analyzers
  * don't complain.
  */
-void test_hooks_free( void );
+void test_hooks_free(void);
 
-#endif /* !MBEDTLS_TEST_HOOKS */
+#    endif /* !MBEDTLS_TEST_HOOKS */
 
 #endif /* MBEDTLS_SSL_TEST_IMPOSSIBLE conditions: else */
 #endif /* MBEDTLS_PROGRAMS_SSL_SSL_TEST_LIB_H */