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Paul Bakkerb60b95f2012-09-25 09:05:17 +00001/*
2 * SSL client with options
3 *
Paul Bakker3c5ef712013-06-25 16:37:45 +02004 * Copyright (C) 2006-2013, Brainspark B.V.
Paul Bakkerb60b95f2012-09-25 09:05:17 +00005 *
6 * This file is part of PolarSSL (http://www.polarssl.org)
7 * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
8 *
9 * All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 */
25
26#ifndef _CRT_SECURE_NO_DEPRECATE
27#define _CRT_SECURE_NO_DEPRECATE 1
28#endif
29
30#if defined(_WIN32)
31#include <windows.h>
32#endif
33
34#include <string.h>
35#include <stdlib.h>
36#include <stdio.h>
37
38#include "polarssl/config.h"
39
40#include "polarssl/net.h"
41#include "polarssl/ssl.h"
42#include "polarssl/entropy.h"
43#include "polarssl/ctr_drbg.h"
44#include "polarssl/certs.h"
45#include "polarssl/x509.h"
46#include "polarssl/error.h"
47
Paul Bakker0a597072012-09-25 21:55:46 +000048#if defined(POLARSSL_SSL_CACHE_C)
49#include "polarssl/ssl_cache.h"
50#endif
51
Paul Bakker82024bf2013-07-04 11:52:32 +020052#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
53#include "polarssl/memory.h"
54#endif
55
Paul Bakkerb60b95f2012-09-25 09:05:17 +000056#define DFL_SERVER_PORT 4433
57#define DFL_REQUEST_PAGE "/"
58#define DFL_DEBUG_LEVEL 0
59#define DFL_CA_FILE ""
60#define DFL_CA_PATH ""
61#define DFL_CRT_FILE ""
62#define DFL_KEY_FILE ""
Paul Bakkerfbb17802013-04-17 19:10:21 +020063#define DFL_PSK ""
64#define DFL_PSK_IDENTITY "Client_identity"
Paul Bakkerb60b95f2012-09-25 09:05:17 +000065#define DFL_FORCE_CIPHER 0
66#define DFL_RENEGOTIATION SSL_RENEGOTIATION_ENABLED
67#define DFL_ALLOW_LEGACY SSL_LEGACY_NO_RENEGOTIATION
Paul Bakker1d29fb52012-09-28 13:28:45 +000068#define DFL_MIN_VERSION -1
Paul Bakkerc1516be2013-06-29 16:01:32 +020069#define DFL_MAX_VERSION -1
Paul Bakker91ebfb52012-11-23 14:04:08 +010070#define DFL_AUTH_MODE SSL_VERIFY_OPTIONAL
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +020071#define DFL_MFL_CODE SSL_MAX_FRAG_LEN_NONE
Paul Bakkerb60b95f2012-09-25 09:05:17 +000072
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +020073#define LONG_RESPONSE "<p>01-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
74 "02-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
75 "03-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
76 "04-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
77 "05-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
78 "06-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah\r\n" \
79 "07-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah-blah</p>\r\n"
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +020080
Paul Bakker8e714d72013-07-18 11:05:13 +020081/* Uncomment LONG_RESPONSE at the end of HTTP_RESPONSE to test sending longer
82 * packets (for fragmentation purposes) */
Paul Bakkerb60b95f2012-09-25 09:05:17 +000083#define HTTP_RESPONSE \
84 "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
85 "<h2>PolarSSL Test Server</h2>\r\n" \
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +020086 "<p>Successful connection using: %s</p>\r\n" // LONG_RESPONSE
Paul Bakkerb60b95f2012-09-25 09:05:17 +000087
88/*
Paul Bakkerb60b95f2012-09-25 09:05:17 +000089 * global options
90 */
91struct options
92{
93 int server_port; /* port on which the ssl service runs */
94 int debug_level; /* level of debugging */
Paul Bakkeref3f8c72013-06-24 13:01:08 +020095 const char *ca_file; /* the file with the CA certificate(s) */
96 const char *ca_path; /* the path with the CA certificate(s) reside */
97 const char *crt_file; /* the file with the client certificate */
98 const char *key_file; /* the file with the client key */
99 const char *psk; /* the pre-shared key */
100 const char *psk_identity; /* the pre-shared key identity */
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000101 int force_ciphersuite[2]; /* protocol/ciphersuite to use, or all */
102 int renegotiation; /* enable / disable renegotiation */
103 int allow_legacy; /* allow legacy renegotiation */
Paul Bakker1d29fb52012-09-28 13:28:45 +0000104 int min_version; /* minimum protocol version accepted */
Paul Bakkerc1516be2013-06-29 16:01:32 +0200105 int max_version; /* maximum protocol version accepted */
Paul Bakker91ebfb52012-11-23 14:04:08 +0100106 int auth_mode; /* verify mode for connection */
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200107 unsigned char mfl_code; /* code for maximum fragment length */
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000108} opt;
109
Paul Bakker3c5ef712013-06-25 16:37:45 +0200110static void my_debug( void *ctx, int level, const char *str )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000111{
112 if( level < opt.debug_level )
113 {
114 fprintf( (FILE *) ctx, "%s", str );
115 fflush( (FILE *) ctx );
116 }
117}
118
Paul Bakkered27a042013-04-18 22:46:23 +0200119#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000120#if defined(POLARSSL_FS_IO)
121#define USAGE_IO \
Paul Bakker1f9d02d2012-11-20 10:30:55 +0100122 " ca_file=%%s The single file containing the top-level CA(s) you fully trust\n" \
123 " default: \"\" (pre-loaded)\n" \
124 " ca_path=%%s The path containing the top-level CA(s) you fully trust\n" \
125 " default: \"\" (pre-loaded) (overrides ca_file)\n" \
126 " crt_file=%%s Your own cert and chain (in bottom to top order, top may be omitted)\n" \
127 " default: \"\" (pre-loaded)\n" \
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000128 " key_file=%%s default: \"\" (pre-loaded)\n"
129#else
130#define USAGE_IO \
Paul Bakkered27a042013-04-18 22:46:23 +0200131 "\n" \
132 " No file operations available (POLARSSL_FS_IO not defined)\n" \
133 "\n"
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000134#endif /* POLARSSL_FS_IO */
Paul Bakkered27a042013-04-18 22:46:23 +0200135#else
136#define USAGE_IO ""
137#endif /* POLARSSL_X509_PARSE_C */
138
139#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
140#define USAGE_PSK \
141 " psk=%%s default: \"\" (in hex, without 0x)\n" \
142 " psk_identity=%%s default: \"Client_identity\"\n"
143#else
144#define USAGE_PSK ""
145#endif /* POLARSSL_KEY_EXCHANGE_PSK_ENABLED */
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000146
147#define USAGE \
148 "\n usage: ssl_server2 param=<>...\n" \
149 "\n acceptable parameters:\n" \
150 " server_port=%%d default: 4433\n" \
151 " debug_level=%%d default: 0 (disabled)\n" \
152 USAGE_IO \
153 " request_page=%%s default: \".\"\n" \
154 " renegotiation=%%d default: 1 (enabled)\n" \
155 " allow_legacy=%%d default: 0 (disabled)\n" \
Paul Bakker1d29fb52012-09-28 13:28:45 +0000156 " min_version=%%s default: \"ssl3\"\n" \
Paul Bakkerc1516be2013-06-29 16:01:32 +0200157 " max_version=%%s default: \"tls1_2\"\n" \
158 " force_version=%%s default: \"\" (none)\n" \
Paul Bakker1d29fb52012-09-28 13:28:45 +0000159 " options: ssl3, tls1, tls1_1, tls1_2\n" \
Paul Bakkerc1516be2013-06-29 16:01:32 +0200160 " auth_mode=%%s default: \"optional\"\n" \
Paul Bakker91ebfb52012-11-23 14:04:08 +0100161 " options: none, optional, required\n" \
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200162 " max_frag_len=%%d default: 16384 (tls default)" \
163 " options: 512, 1024, 2048, 4096" \
Paul Bakkered27a042013-04-18 22:46:23 +0200164 USAGE_PSK \
Paul Bakkerfbb17802013-04-17 19:10:21 +0200165 "\n" \
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000166 " force_ciphersuite=<name> default: all enabled\n"\
167 " acceptable ciphersuite names:\n"
168
Paul Bakkered27a042013-04-18 22:46:23 +0200169#if !defined(POLARSSL_ENTROPY_C) || \
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000170 !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_SRV_C) || \
Paul Bakkered27a042013-04-18 22:46:23 +0200171 !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000172int main( int argc, char *argv[] )
173{
174 ((void) argc);
175 ((void) argv);
176
Paul Bakkered27a042013-04-18 22:46:23 +0200177 printf("POLARSSL_ENTROPY_C and/or "
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000178 "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
Paul Bakkered27a042013-04-18 22:46:23 +0200179 "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000180 return( 0 );
181}
182#else
183int main( int argc, char *argv[] )
184{
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200185 int ret = 0, len, written, frags;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000186 int listen_fd;
187 int client_fd = -1;
188 unsigned char buf[1024];
Paul Bakkered27a042013-04-18 22:46:23 +0200189#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
Paul Bakkerfbb17802013-04-17 19:10:21 +0200190 unsigned char psk[256];
191 size_t psk_len = 0;
Paul Bakkered27a042013-04-18 22:46:23 +0200192#endif
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200193 const char *pers = "ssl_server2";
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000194
195 entropy_context entropy;
196 ctr_drbg_context ctr_drbg;
197 ssl_context ssl;
Paul Bakkered27a042013-04-18 22:46:23 +0200198#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000199 x509_cert cacert;
200 x509_cert srvcert;
201 rsa_context rsa;
Paul Bakkered27a042013-04-18 22:46:23 +0200202#endif
Paul Bakker0a597072012-09-25 21:55:46 +0000203#if defined(POLARSSL_SSL_CACHE_C)
204 ssl_cache_context cache;
205#endif
Paul Bakker82024bf2013-07-04 11:52:32 +0200206#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
207 unsigned char alloc_buf[100000];
208#endif
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000209
210 int i;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000211 char *p, *q;
212 const int *list;
213
Paul Bakker82024bf2013-07-04 11:52:32 +0200214#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
215 memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
216#endif
217
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000218 /*
219 * Make sure memory references are valid.
220 */
221 listen_fd = 0;
Paul Bakkered27a042013-04-18 22:46:23 +0200222#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000223 memset( &cacert, 0, sizeof( x509_cert ) );
224 memset( &srvcert, 0, sizeof( x509_cert ) );
225 memset( &rsa, 0, sizeof( rsa_context ) );
Paul Bakkered27a042013-04-18 22:46:23 +0200226#endif
Paul Bakker0a597072012-09-25 21:55:46 +0000227#if defined(POLARSSL_SSL_CACHE_C)
228 ssl_cache_init( &cache );
229#endif
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000230
231 if( argc == 0 )
232 {
233 usage:
234 if( ret == 0 )
235 ret = 1;
236
237 printf( USAGE );
238
239 list = ssl_list_ciphersuites();
240 while( *list )
241 {
Paul Bakkerbcbe2d82013-04-19 09:10:20 +0200242 printf(" %-42s", ssl_get_ciphersuite_name( *list ) );
Paul Bakkered27a042013-04-18 22:46:23 +0200243 list++;
244 if( !*list )
245 break;
246 printf(" %s\n", ssl_get_ciphersuite_name( *list ) );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000247 list++;
248 }
249 printf("\n");
250 goto exit;
251 }
252
253 opt.server_port = DFL_SERVER_PORT;
254 opt.debug_level = DFL_DEBUG_LEVEL;
255 opt.ca_file = DFL_CA_FILE;
256 opt.ca_path = DFL_CA_PATH;
257 opt.crt_file = DFL_CRT_FILE;
258 opt.key_file = DFL_KEY_FILE;
Paul Bakkerfbb17802013-04-17 19:10:21 +0200259 opt.psk = DFL_PSK;
260 opt.psk_identity = DFL_PSK_IDENTITY;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000261 opt.force_ciphersuite[0]= DFL_FORCE_CIPHER;
262 opt.renegotiation = DFL_RENEGOTIATION;
263 opt.allow_legacy = DFL_ALLOW_LEGACY;
Paul Bakker1d29fb52012-09-28 13:28:45 +0000264 opt.min_version = DFL_MIN_VERSION;
Paul Bakkerc1516be2013-06-29 16:01:32 +0200265 opt.max_version = DFL_MAX_VERSION;
Paul Bakker91ebfb52012-11-23 14:04:08 +0100266 opt.auth_mode = DFL_AUTH_MODE;
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200267 opt.mfl_code = DFL_MFL_CODE;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000268
269 for( i = 1; i < argc; i++ )
270 {
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000271 p = argv[i];
272 if( ( q = strchr( p, '=' ) ) == NULL )
273 goto usage;
274 *q++ = '\0';
275
276 if( strcmp( p, "server_port" ) == 0 )
277 {
278 opt.server_port = atoi( q );
279 if( opt.server_port < 1 || opt.server_port > 65535 )
280 goto usage;
281 }
282 else if( strcmp( p, "debug_level" ) == 0 )
283 {
284 opt.debug_level = atoi( q );
285 if( opt.debug_level < 0 || opt.debug_level > 65535 )
286 goto usage;
287 }
288 else if( strcmp( p, "ca_file" ) == 0 )
289 opt.ca_file = q;
290 else if( strcmp( p, "ca_path" ) == 0 )
291 opt.ca_path = q;
292 else if( strcmp( p, "crt_file" ) == 0 )
293 opt.crt_file = q;
294 else if( strcmp( p, "key_file" ) == 0 )
295 opt.key_file = q;
Paul Bakkerfbb17802013-04-17 19:10:21 +0200296 else if( strcmp( p, "psk" ) == 0 )
297 opt.psk = q;
298 else if( strcmp( p, "psk_identity" ) == 0 )
299 opt.psk_identity = q;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000300 else if( strcmp( p, "force_ciphersuite" ) == 0 )
301 {
302 opt.force_ciphersuite[0] = -1;
303
304 opt.force_ciphersuite[0] = ssl_get_ciphersuite_id( q );
305
306 if( opt.force_ciphersuite[0] <= 0 )
307 {
308 ret = 2;
309 goto usage;
310 }
311 opt.force_ciphersuite[1] = 0;
312 }
313 else if( strcmp( p, "renegotiation" ) == 0 )
314 {
315 opt.renegotiation = (atoi( q )) ? SSL_RENEGOTIATION_ENABLED :
316 SSL_RENEGOTIATION_DISABLED;
317 }
318 else if( strcmp( p, "allow_legacy" ) == 0 )
319 {
320 opt.allow_legacy = atoi( q );
321 if( opt.allow_legacy < 0 || opt.allow_legacy > 1 )
322 goto usage;
323 }
Paul Bakker1d29fb52012-09-28 13:28:45 +0000324 else if( strcmp( p, "min_version" ) == 0 )
325 {
326 if( strcmp( q, "ssl3" ) == 0 )
327 opt.min_version = SSL_MINOR_VERSION_0;
328 else if( strcmp( q, "tls1" ) == 0 )
329 opt.min_version = SSL_MINOR_VERSION_1;
330 else if( strcmp( q, "tls1_1" ) == 0 )
331 opt.min_version = SSL_MINOR_VERSION_2;
332 else if( strcmp( q, "tls1_2" ) == 0 )
333 opt.min_version = SSL_MINOR_VERSION_3;
334 else
335 goto usage;
336 }
Paul Bakkerc1516be2013-06-29 16:01:32 +0200337 else if( strcmp( p, "max_version" ) == 0 )
338 {
339 if( strcmp( q, "ssl3" ) == 0 )
340 opt.max_version = SSL_MINOR_VERSION_0;
341 else if( strcmp( q, "tls1" ) == 0 )
342 opt.max_version = SSL_MINOR_VERSION_1;
343 else if( strcmp( q, "tls1_1" ) == 0 )
344 opt.max_version = SSL_MINOR_VERSION_2;
345 else if( strcmp( q, "tls1_2" ) == 0 )
346 opt.max_version = SSL_MINOR_VERSION_3;
347 else
348 goto usage;
349 }
350 else if( strcmp( p, "force_version" ) == 0 )
351 {
352 if( strcmp( q, "ssl3" ) == 0 )
353 {
354 opt.min_version = SSL_MINOR_VERSION_0;
355 opt.max_version = SSL_MINOR_VERSION_0;
356 }
357 else if( strcmp( q, "tls1" ) == 0 )
358 {
359 opt.min_version = SSL_MINOR_VERSION_1;
360 opt.max_version = SSL_MINOR_VERSION_1;
361 }
362 else if( strcmp( q, "tls1_1" ) == 0 )
363 {
364 opt.min_version = SSL_MINOR_VERSION_2;
365 opt.max_version = SSL_MINOR_VERSION_2;
366 }
367 else if( strcmp( q, "tls1_2" ) == 0 )
368 {
369 opt.min_version = SSL_MINOR_VERSION_3;
370 opt.max_version = SSL_MINOR_VERSION_3;
371 }
372 else
373 goto usage;
374 }
Paul Bakker91ebfb52012-11-23 14:04:08 +0100375 else if( strcmp( p, "auth_mode" ) == 0 )
376 {
377 if( strcmp( q, "none" ) == 0 )
378 opt.auth_mode = SSL_VERIFY_NONE;
379 else if( strcmp( q, "optional" ) == 0 )
380 opt.auth_mode = SSL_VERIFY_OPTIONAL;
381 else if( strcmp( q, "required" ) == 0 )
382 opt.auth_mode = SSL_VERIFY_REQUIRED;
383 else
384 goto usage;
385 }
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200386 else if( strcmp( p, "max_frag_len" ) == 0 )
387 {
388 if( strcmp( q, "512" ) == 0 )
389 opt.mfl_code = SSL_MAX_FRAG_LEN_512;
390 else if( strcmp( q, "1024" ) == 0 )
391 opt.mfl_code = SSL_MAX_FRAG_LEN_1024;
392 else if( strcmp( q, "2048" ) == 0 )
393 opt.mfl_code = SSL_MAX_FRAG_LEN_2048;
394 else if( strcmp( q, "4096" ) == 0 )
395 opt.mfl_code = SSL_MAX_FRAG_LEN_4096;
396 else
397 goto usage;
398 }
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000399 else
400 goto usage;
401 }
402
Paul Bakkerc1516be2013-06-29 16:01:32 +0200403 if( opt.force_ciphersuite[0] > 0 )
404 {
405 const ssl_ciphersuite_t *ciphersuite_info;
406 ciphersuite_info = ssl_ciphersuite_from_id( opt.force_ciphersuite[0] );
407
408 if( ciphersuite_info->min_minor_ver > opt.max_version ||
409 ciphersuite_info->max_minor_ver < opt.min_version )
410 {
411 printf("forced ciphersuite not allowed with this protocol version\n");
412 ret = 2;
413 goto usage;
414 }
415 }
416
Paul Bakkered27a042013-04-18 22:46:23 +0200417#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000418 /*
Paul Bakkerfbb17802013-04-17 19:10:21 +0200419 * Unhexify the pre-shared key if any is given
420 */
421 if( strlen( opt.psk ) )
422 {
423 unsigned char c;
424 size_t j;
425
426 if( strlen( opt.psk ) % 2 != 0 )
427 {
428 printf("pre-shared key not valid hex\n");
429 goto exit;
430 }
431
432 psk_len = strlen( opt.psk ) / 2;
433
434 for( j = 0; j < strlen( opt.psk ); j += 2 )
435 {
436 c = opt.psk[j];
437 if( c >= '0' && c <= '9' )
438 c -= '0';
439 else if( c >= 'a' && c <= 'f' )
440 c -= 'a' - 10;
441 else if( c >= 'A' && c <= 'F' )
442 c -= 'A' - 10;
443 else
444 {
445 printf("pre-shared key not valid hex\n");
446 goto exit;
447 }
448 psk[ j / 2 ] = c << 4;
449
450 c = opt.psk[j + 1];
451 if( c >= '0' && c <= '9' )
452 c -= '0';
453 else if( c >= 'a' && c <= 'f' )
454 c -= 'a' - 10;
455 else if( c >= 'A' && c <= 'F' )
456 c -= 'A' - 10;
457 else
458 {
459 printf("pre-shared key not valid hex\n");
460 goto exit;
461 }
462 psk[ j / 2 ] |= c;
463 }
464 }
Paul Bakkered27a042013-04-18 22:46:23 +0200465#endif /* POLARSSL_KEY_EXCHANGE_PSK_ENABLED */
Paul Bakkerfbb17802013-04-17 19:10:21 +0200466
467 /*
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000468 * 0. Initialize the RNG and the session data
469 */
470 printf( "\n . Seeding the random number generator..." );
471 fflush( stdout );
472
473 entropy_init( &entropy );
474 if( ( ret = ctr_drbg_init( &ctr_drbg, entropy_func, &entropy,
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200475 (const unsigned char *) pers,
476 strlen( pers ) ) ) != 0 )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000477 {
478 printf( " failed\n ! ctr_drbg_init returned -0x%x\n", -ret );
479 goto exit;
480 }
481
482 printf( " ok\n" );
483
Paul Bakkered27a042013-04-18 22:46:23 +0200484#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000485 /*
486 * 1.1. Load the trusted CA
487 */
488 printf( " . Loading the CA root certificate ..." );
489 fflush( stdout );
490
491#if defined(POLARSSL_FS_IO)
492 if( strlen( opt.ca_path ) )
493 ret = x509parse_crtpath( &cacert, opt.ca_path );
494 else if( strlen( opt.ca_file ) )
495 ret = x509parse_crtfile( &cacert, opt.ca_file );
496 else
497#endif
498#if defined(POLARSSL_CERTS_C)
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200499 ret = x509parse_crt( &cacert, (const unsigned char *) test_ca_crt,
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000500 strlen( test_ca_crt ) );
501#else
502 {
503 ret = 1;
504 printf("POLARSSL_CERTS_C not defined.");
505 }
506#endif
507 if( ret < 0 )
508 {
509 printf( " failed\n ! x509parse_crt returned -0x%x\n\n", -ret );
510 goto exit;
511 }
512
513 printf( " ok (%d skipped)\n", ret );
514
515 /*
516 * 1.2. Load own certificate and private key
517 */
518 printf( " . Loading the server cert. and key..." );
519 fflush( stdout );
520
521#if defined(POLARSSL_FS_IO)
522 if( strlen( opt.crt_file ) )
523 ret = x509parse_crtfile( &srvcert, opt.crt_file );
524 else
525#endif
526#if defined(POLARSSL_CERTS_C)
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200527 ret = x509parse_crt( &srvcert, (const unsigned char *) test_srv_crt,
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000528 strlen( test_srv_crt ) );
529#else
530 {
531 ret = 1;
532 printf("POLARSSL_CERTS_C not defined.");
533 }
534#endif
535 if( ret != 0 )
536 {
537 printf( " failed\n ! x509parse_crt returned -0x%x\n\n", -ret );
538 goto exit;
539 }
540
541#if defined(POLARSSL_FS_IO)
542 if( strlen( opt.key_file ) )
Manuel Pégourié-Gonnardba4878a2013-06-27 10:51:01 +0200543 ret = x509parse_keyfile_rsa( &rsa, opt.key_file, "" );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000544 else
545#endif
546#if defined(POLARSSL_CERTS_C)
Manuel Pégourié-Gonnardba4878a2013-06-27 10:51:01 +0200547 ret = x509parse_key_rsa( &rsa, (const unsigned char *) test_srv_key,
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000548 strlen( test_srv_key ), NULL, 0 );
549#else
550 {
551 ret = 1;
552 printf("POLARSSL_CERTS_C not defined.");
553 }
554#endif
555 if( ret != 0 )
556 {
Manuel Pégourié-Gonnardba4878a2013-06-27 10:51:01 +0200557 printf( " failed\n ! x509parse_key_rsa returned -0x%x\n\n", -ret );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000558 goto exit;
559 }
560
561 printf( " ok\n" );
Paul Bakkered27a042013-04-18 22:46:23 +0200562#endif /* POLARSSL_X509_PARSE_C */
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000563
564 /*
565 * 2. Setup the listening TCP socket
566 */
567 printf( " . Bind on tcp://localhost:%-4d/ ...", opt.server_port );
568 fflush( stdout );
569
570 if( ( ret = net_bind( &listen_fd, NULL, opt.server_port ) ) != 0 )
571 {
572 printf( " failed\n ! net_bind returned -0x%x\n\n", -ret );
573 goto exit;
574 }
575
576 printf( " ok\n" );
577
578 /*
579 * 3. Setup stuff
580 */
581 printf( " . Setting up the SSL/TLS structure..." );
582 fflush( stdout );
583
584 if( ( ret = ssl_init( &ssl ) ) != 0 )
585 {
586 printf( " failed\n ! ssl_init returned -0x%x\n\n", -ret );
587 goto exit;
588 }
589
590 ssl_set_endpoint( &ssl, SSL_IS_SERVER );
Paul Bakker91ebfb52012-11-23 14:04:08 +0100591 ssl_set_authmode( &ssl, opt.auth_mode );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000592
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200593 ssl_set_max_frag_len( &ssl, opt.mfl_code );
594
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000595 ssl_set_rng( &ssl, ctr_drbg_random, &ctr_drbg );
596 ssl_set_dbg( &ssl, my_debug, stdout );
597
Paul Bakker0a597072012-09-25 21:55:46 +0000598#if defined(POLARSSL_SSL_CACHE_C)
599 ssl_set_session_cache( &ssl, ssl_cache_get, &cache,
600 ssl_cache_set, &cache );
601#endif
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000602
Paul Bakker41c83d32013-03-20 14:39:14 +0100603 if( opt.force_ciphersuite[0] != DFL_FORCE_CIPHER )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000604 ssl_set_ciphersuites( &ssl, opt.force_ciphersuite );
605
606 ssl_set_renegotiation( &ssl, opt.renegotiation );
607 ssl_legacy_renegotiation( &ssl, opt.allow_legacy );
608
Paul Bakkered27a042013-04-18 22:46:23 +0200609#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000610 ssl_set_ca_chain( &ssl, &cacert, NULL, NULL );
611 ssl_set_own_cert( &ssl, &srvcert, &rsa );
Paul Bakkered27a042013-04-18 22:46:23 +0200612#endif
613
614#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
Paul Bakker3c5ef712013-06-25 16:37:45 +0200615 ssl_set_psk( &ssl, psk, psk_len, (const unsigned char *) opt.psk_identity,
Paul Bakkerfbb17802013-04-17 19:10:21 +0200616 strlen( opt.psk_identity ) );
Paul Bakkered27a042013-04-18 22:46:23 +0200617#endif
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000618
619#if defined(POLARSSL_DHM_C)
Paul Bakker5d19f862012-09-28 07:33:00 +0000620 /*
621 * Use different group than default DHM group
622 */
Paul Bakkerd4324102012-09-26 08:29:38 +0000623 ssl_set_dh_param( &ssl, POLARSSL_DHM_RFC5114_MODP_2048_P,
624 POLARSSL_DHM_RFC5114_MODP_2048_G );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000625#endif
626
Paul Bakker1d29fb52012-09-28 13:28:45 +0000627 if( opt.min_version != -1 )
628 ssl_set_min_version( &ssl, SSL_MAJOR_VERSION_3, opt.min_version );
629
Paul Bakkerc1516be2013-06-29 16:01:32 +0200630 if( opt.max_version != -1 )
631 ssl_set_max_version( &ssl, SSL_MAJOR_VERSION_3, opt.max_version );
632
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000633 printf( " ok\n" );
634
635reset:
636#ifdef POLARSSL_ERROR_C
637 if( ret != 0 )
638 {
639 char error_buf[100];
Paul Bakker03a8a792013-06-30 12:18:08 +0200640 polarssl_strerror( ret, error_buf, 100 );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000641 printf("Last error was: %d - %s\n\n", ret, error_buf );
642 }
643#endif
644
645 if( client_fd != -1 )
646 net_close( client_fd );
647
648 ssl_session_reset( &ssl );
649
650 /*
651 * 3. Wait until a client connects
652 */
653#if defined(_WIN32_WCE)
654 {
655 SHELLEXECUTEINFO sei;
656
657 ZeroMemory( &sei, sizeof( SHELLEXECUTEINFO ) );
658
659 sei.cbSize = sizeof( SHELLEXECUTEINFO );
660 sei.fMask = 0;
661 sei.hwnd = 0;
662 sei.lpVerb = _T( "open" );
663 sei.lpFile = _T( "https://localhost:4433/" );
664 sei.lpParameters = NULL;
665 sei.lpDirectory = NULL;
666 sei.nShow = SW_SHOWNORMAL;
667
668 ShellExecuteEx( &sei );
669 }
670#elif defined(_WIN32)
671 ShellExecute( NULL, "open", "https://localhost:4433/",
672 NULL, NULL, SW_SHOWNORMAL );
673#endif
674
675 client_fd = -1;
676
677 printf( " . Waiting for a remote connection ..." );
678 fflush( stdout );
679
680 if( ( ret = net_accept( listen_fd, &client_fd, NULL ) ) != 0 )
681 {
682 printf( " failed\n ! net_accept returned -0x%x\n\n", -ret );
683 goto exit;
684 }
685
686 ssl_set_bio( &ssl, net_recv, &client_fd,
687 net_send, &client_fd );
688
689 printf( " ok\n" );
690
691 /*
692 * 4. Handshake
693 */
694 printf( " . Performing the SSL/TLS handshake..." );
695 fflush( stdout );
696
697 while( ( ret = ssl_handshake( &ssl ) ) != 0 )
698 {
699 if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
700 {
701 printf( " failed\n ! ssl_handshake returned -0x%x\n\n", -ret );
Paul Bakker1d29fb52012-09-28 13:28:45 +0000702 goto reset;
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000703 }
704 }
705
706 printf( " ok\n [ Ciphersuite is %s ]\n",
707 ssl_get_ciphersuite( &ssl ) );
708
Paul Bakkered27a042013-04-18 22:46:23 +0200709#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000710 /*
711 * 5. Verify the server certificate
712 */
713 printf( " . Verifying peer X.509 certificate..." );
714
715 if( ( ret = ssl_get_verify_result( &ssl ) ) != 0 )
716 {
717 printf( " failed\n" );
718
Paul Bakkerb0550d92012-10-30 07:51:03 +0000719 if( !ssl_get_peer_cert( &ssl ) )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000720 printf( " ! no client certificate sent\n" );
721
722 if( ( ret & BADCERT_EXPIRED ) != 0 )
723 printf( " ! client certificate has expired\n" );
724
725 if( ( ret & BADCERT_REVOKED ) != 0 )
726 printf( " ! client certificate has been revoked\n" );
727
728 if( ( ret & BADCERT_NOT_TRUSTED ) != 0 )
729 printf( " ! self-signed or not signed by a trusted CA\n" );
730
731 printf( "\n" );
732 }
733 else
734 printf( " ok\n" );
735
Paul Bakkerb0550d92012-10-30 07:51:03 +0000736 if( ssl_get_peer_cert( &ssl ) )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000737 {
738 printf( " . Peer certificate information ...\n" );
739 x509parse_cert_info( (char *) buf, sizeof( buf ) - 1, " ",
Paul Bakkerb0550d92012-10-30 07:51:03 +0000740 ssl_get_peer_cert( &ssl ) );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000741 printf( "%s\n", buf );
742 }
Paul Bakkered27a042013-04-18 22:46:23 +0200743#endif /* POLARSSL_X509_PARSE_C */
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000744
745 /*
746 * 6. Read the HTTP Request
747 */
748 printf( " < Read from client:" );
749 fflush( stdout );
750
751 do
752 {
753 len = sizeof( buf ) - 1;
754 memset( buf, 0, sizeof( buf ) );
755 ret = ssl_read( &ssl, buf, len );
756
757 if( ret == POLARSSL_ERR_NET_WANT_READ || ret == POLARSSL_ERR_NET_WANT_WRITE )
758 continue;
759
760 if( ret <= 0 )
761 {
762 switch( ret )
763 {
764 case POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY:
765 printf( " connection was closed gracefully\n" );
766 break;
767
768 case POLARSSL_ERR_NET_CONN_RESET:
769 printf( " connection was reset by peer\n" );
770 break;
771
772 default:
773 printf( " ssl_read returned -0x%x\n", -ret );
774 break;
775 }
776
777 break;
778 }
779
780 len = ret;
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +0200781 printf( " %d bytes read\n\n%s\n", len, (char *) buf );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000782
Paul Bakker82024bf2013-07-04 11:52:32 +0200783 if( memcmp( buf, "SERVERQUIT", 10 ) == 0 )
784 goto exit;
785
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000786 if( ret > 0 )
787 break;
788 }
789 while( 1 );
790
791 /*
792 * 7. Write the 200 Response
793 */
794 printf( " > Write to client:" );
795 fflush( stdout );
796
797 len = sprintf( (char *) buf, HTTP_RESPONSE,
798 ssl_get_ciphersuite( &ssl ) );
799
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200800 for( written = 0, frags = 0; written < len; written += ret, frags++ )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000801 {
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +0200802 while( ( ret = ssl_write( &ssl, buf + written, len - written ) ) <= 0 )
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000803 {
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +0200804 if( ret == POLARSSL_ERR_NET_CONN_RESET )
805 {
806 printf( " failed\n ! peer closed the connection\n\n" );
807 goto reset;
808 }
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000809
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +0200810 if( ret != POLARSSL_ERR_NET_WANT_READ && ret != POLARSSL_ERR_NET_WANT_WRITE )
811 {
812 printf( " failed\n ! ssl_write returned %d\n\n", ret );
813 goto exit;
814 }
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000815 }
816 }
817
Manuel Pégourié-Gonnardbd7ce632013-07-17 15:34:17 +0200818 buf[written] = '\0';
Manuel Pégourié-Gonnard0c017a52013-07-18 14:07:36 +0200819 printf( " %d bytes written in %d fragments\n\n%s\n", written, frags, (char *) buf );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000820
821 ret = 0;
822 goto reset;
823
824exit:
825
826#ifdef POLARSSL_ERROR_C
827 if( ret != 0 )
828 {
829 char error_buf[100];
Paul Bakker03a8a792013-06-30 12:18:08 +0200830 polarssl_strerror( ret, error_buf, 100 );
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000831 printf("Last error was: -0x%X - %s\n\n", -ret, error_buf );
832 }
833#endif
834
835 net_close( client_fd );
Paul Bakkered27a042013-04-18 22:46:23 +0200836#if defined(POLARSSL_X509_PARSE_C)
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000837 x509_free( &srvcert );
838 x509_free( &cacert );
839 rsa_free( &rsa );
Paul Bakkered27a042013-04-18 22:46:23 +0200840#endif
841
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000842 ssl_free( &ssl );
843
Paul Bakker0a597072012-09-25 21:55:46 +0000844#if defined(POLARSSL_SSL_CACHE_C)
845 ssl_cache_free( &cache );
846#endif
847
Paul Bakker82024bf2013-07-04 11:52:32 +0200848#if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C) && defined(POLARSSL_MEMORY_DEBUG)
849 memory_buffer_alloc_status();
850#endif
851
Paul Bakkerb60b95f2012-09-25 09:05:17 +0000852#if defined(_WIN32)
853 printf( " + Press Enter to exit this program.\n" );
854 fflush( stdout ); getchar();
855#endif
856
857 return( ret );
858}
859#endif /* POLARSSL_BIGNUM_C && POLARSSL_ENTROPY_C && POLARSSL_SSL_TLS_C &&
860 POLARSSL_SSL_SRV_C && POLARSSL_NET_C && POLARSSL_RSA_C &&
861 POLARSSL_CTR_DRBG_C */