blob: 11147b092bd95060dab510757f6281812c40d726 [file] [log] [blame]
Paul Bakker5121ce52009-01-03 21:22:43 +00001/*
2 * SSL server demonstration program
3 *
Bence Szépkúti1e148272020-08-07 13:07:28 +02004 * Copyright The Mbed TLS Contributors
Manuel Pégourié-Gonnard37ff1402015-09-04 14:21:07 +02005 * SPDX-License-Identifier: Apache-2.0
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
8 * not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
Paul Bakker5121ce52009-01-03 21:22:43 +000018 */
19
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020020#if !defined(MBEDTLS_CONFIG_FILE)
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +000021#include "mbedtls/config.h"
Manuel Pégourié-Gonnardcef4ad22014-04-29 12:39:06 +020022#else
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020023#include MBEDTLS_CONFIG_FILE
Manuel Pégourié-Gonnardcef4ad22014-04-29 12:39:06 +020024#endif
Paul Bakker5121ce52009-01-03 21:22:43 +000025
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020026#if defined(MBEDTLS_PLATFORM_C)
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +000027#include "mbedtls/platform.h"
Rich Evansf90016a2015-01-19 14:26:37 +000028#else
Rich Evans18b78c72015-02-11 14:06:19 +000029#include <stdio.h>
Simon Butcherd3138c32016-04-27 01:26:50 +010030#include <stdlib.h>
31#define mbedtls_time time
Darryl Green11999bb2018-03-13 15:22:58 +000032#define mbedtls_time_t time_t
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020033#define mbedtls_fprintf fprintf
34#define mbedtls_printf printf
Manuel Pégourié-Gonnard3ef6a6d2018-12-10 14:31:45 +010035#define mbedtls_exit exit
36#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
37#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
Rich Evansf90016a2015-01-19 14:26:37 +000038#endif
39
Mateusz Starzyk1aec6462021-02-08 15:34:42 +010040#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_PEM_PARSE_C) || \
41 !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) || \
42 !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) || \
43 !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
44 !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO)
Rich Evans85b05ec2015-02-12 11:37:29 +000045int main( void )
Paul Bakker5690efc2011-05-26 13:16:06 +000046{
Mateusz Starzyk1aec6462021-02-08 15:34:42 +010047 mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_ENTROPY_C "
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020048 "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
49 "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
50 "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
51 "and/or MBEDTLS_PEM_PARSE_C not defined.\n");
Krzysztof Stachowiak5e1b1952019-04-24 14:24:46 +020052 mbedtls_exit( 0 );
Paul Bakker5690efc2011-05-26 13:16:06 +000053}
54#else
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010055
56#include <stdlib.h>
57#include <string.h>
58
59#if defined(_WIN32)
60#include <windows.h>
61#endif
62
63#include "mbedtls/entropy.h"
64#include "mbedtls/ctr_drbg.h"
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010065#include "mbedtls/x509.h"
66#include "mbedtls/ssl.h"
Andres AG788aa4a2016-09-14 14:32:09 +010067#include "mbedtls/net_sockets.h"
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010068#include "mbedtls/error.h"
69#include "mbedtls/debug.h"
Mateusz Starzyk1aec6462021-02-08 15:34:42 +010070#include "test/certs.h"
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010071
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020072#if defined(MBEDTLS_SSL_CACHE_C)
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010073#include "mbedtls/ssl_cache.h"
74#endif
75
76#define HTTP_RESPONSE \
77 "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
78 "<h2>mbed TLS Test Server</h2>\r\n" \
79 "<p>Successful connection using: %s</p>\r\n"
80
81#define DEBUG_LEVEL 0
82
Simon Butcher63cb97e2018-12-06 17:43:31 +000083
Manuel Pégourié-Gonnard61ee3512015-06-23 17:35:03 +020084static void my_debug( void *ctx, int level,
85 const char *file, int line,
86 const char *str )
Paul Bakker9a97c5d2013-09-15 17:07:33 +020087{
Paul Bakkerc73079a2014-04-25 16:34:30 +020088 ((void) level);
89
Manuel Pégourié-Gonnard61ee3512015-06-23 17:35:03 +020090 mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
Paul Bakkerc73079a2014-04-25 16:34:30 +020091 fflush( (FILE *) ctx );
Paul Bakker9a97c5d2013-09-15 17:07:33 +020092}
93
Rich Evans85b05ec2015-02-12 11:37:29 +000094int main( void )
Paul Bakker5121ce52009-01-03 21:22:43 +000095{
96 int ret, len;
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +020097 mbedtls_net_context listen_fd, client_fd;
Paul Bakker5121ce52009-01-03 21:22:43 +000098 unsigned char buf[1024];
Paul Bakkeref3f8c72013-06-24 13:01:08 +020099 const char *pers = "ssl_server";
Paul Bakker5121ce52009-01-03 21:22:43 +0000100
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200101 mbedtls_entropy_context entropy;
102 mbedtls_ctr_drbg_context ctr_drbg;
103 mbedtls_ssl_context ssl;
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200104 mbedtls_ssl_config conf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200105 mbedtls_x509_crt srvcert;
106 mbedtls_pk_context pkey;
107#if defined(MBEDTLS_SSL_CACHE_C)
108 mbedtls_ssl_cache_context cache;
Paul Bakkerd4324102012-09-26 08:29:38 +0000109#endif
Paul Bakker5121ce52009-01-03 21:22:43 +0000110
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200111 mbedtls_net_init( &listen_fd );
112 mbedtls_net_init( &client_fd );
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200113 mbedtls_ssl_init( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200114 mbedtls_ssl_config_init( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200115#if defined(MBEDTLS_SSL_CACHE_C)
116 mbedtls_ssl_cache_init( &cache );
Paul Bakker0a597072012-09-25 21:55:46 +0000117#endif
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200118 mbedtls_x509_crt_init( &srvcert );
119 mbedtls_pk_init( &pkey );
120 mbedtls_entropy_init( &entropy );
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200121 mbedtls_ctr_drbg_init( &ctr_drbg );
Paul Bakkerfab5c822012-02-06 16:45:10 +0000122
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200123#if defined(MBEDTLS_DEBUG_C)
124 mbedtls_debug_set_threshold( DEBUG_LEVEL );
Paul Bakkerc73079a2014-04-25 16:34:30 +0200125#endif
126
Paul Bakker5121ce52009-01-03 21:22:43 +0000127 /*
128 * 1. Load the certificates and private RSA key
129 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200130 mbedtls_printf( "\n . Loading the server cert. and key..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000131 fflush( stdout );
132
Paul Bakker5121ce52009-01-03 21:22:43 +0000133 /*
134 * This demonstration program uses embedded test certificates.
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200135 * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
136 * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
Paul Bakker5121ce52009-01-03 21:22:43 +0000137 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200138 ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
139 mbedtls_test_srv_crt_len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000140 if( ret != 0 )
141 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200142 mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000143 goto exit;
144 }
145
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200146 ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
147 mbedtls_test_cas_pem_len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000148 if( ret != 0 )
149 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200150 mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000151 goto exit;
152 }
153
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200154 ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
155 mbedtls_test_srv_key_len, NULL, 0 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000156 if( ret != 0 )
157 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200158 mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000159 goto exit;
160 }
161
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200162 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000163
164 /*
165 * 2. Setup the listening TCP socket
166 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200167 mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000168 fflush( stdout );
169
Manuel Pégourié-Gonnardc0d74942015-06-23 12:30:57 +0200170 if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000171 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200172 mbedtls_printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000173 goto exit;
174 }
175
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200176 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000177
178 /*
Paul Bakker508ad5a2011-12-04 17:09:26 +0000179 * 3. Seed the RNG
Paul Bakker5121ce52009-01-03 21:22:43 +0000180 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200181 mbedtls_printf( " . Seeding the random number generator..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000182 fflush( stdout );
183
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200184 if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200185 (const unsigned char *) pers,
186 strlen( pers ) ) ) != 0 )
Paul Bakker508ad5a2011-12-04 17:09:26 +0000187 {
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200188 mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000189 goto exit;
190 }
191
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200192 mbedtls_printf( " ok\n" );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000193
194 /*
195 * 4. Setup stuff
196 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200197 mbedtls_printf( " . Setting up the SSL data...." );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000198 fflush( stdout );
Paul Bakker5121ce52009-01-03 21:22:43 +0000199
Manuel Pégourié-Gonnard419d5ae2015-05-04 19:32:36 +0200200 if( ( ret = mbedtls_ssl_config_defaults( &conf,
201 MBEDTLS_SSL_IS_SERVER,
Manuel Pégourié-Gonnardb31c5f62015-06-17 13:53:47 +0200202 MBEDTLS_SSL_TRANSPORT_STREAM,
203 MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200204 {
205 mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
206 goto exit;
207 }
208
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200209 mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
210 mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000211
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200212#if defined(MBEDTLS_SSL_CACHE_C)
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200213 mbedtls_ssl_conf_session_cache( &conf, &cache,
Manuel Pégourié-Gonnard5cb33082015-05-06 18:06:26 +0100214 mbedtls_ssl_cache_get,
215 mbedtls_ssl_cache_set );
Paul Bakker0a597072012-09-25 21:55:46 +0000216#endif
Paul Bakker5121ce52009-01-03 21:22:43 +0000217
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200218 mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
219 if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
Manuel Pégourié-Gonnardc5fd3912014-07-08 14:05:52 +0200220 {
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200221 mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
Manuel Pégourié-Gonnardc5fd3912014-07-08 14:05:52 +0200222 goto exit;
223 }
Paul Bakker5121ce52009-01-03 21:22:43 +0000224
Manuel Pégourié-Gonnard06939ce2015-05-11 11:25:46 +0200225 if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
226 {
227 mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
228 goto exit;
229 }
230
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200231 mbedtls_printf( " ok\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000232
233reset:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200234#ifdef MBEDTLS_ERROR_C
Paul Bakkera3d195c2011-11-27 21:07:34 +0000235 if( ret != 0 )
236 {
237 char error_buf[100];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200238 mbedtls_strerror( ret, error_buf, 100 );
239 mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
Paul Bakkera3d195c2011-11-27 21:07:34 +0000240 }
241#endif
242
Manuel Pégourié-Gonnard3d7d00a2015-06-30 15:55:03 +0200243 mbedtls_net_free( &client_fd );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000244
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200245 mbedtls_ssl_session_reset( &ssl );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000246
247 /*
248 * 3. Wait until a client connects
249 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200250 mbedtls_printf( " . Waiting for a remote connection ..." );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000251 fflush( stdout );
252
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200253 if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
Manuel Pégourié-Gonnard0b104b02015-05-14 21:52:40 +0200254 NULL, 0, NULL ) ) != 0 )
Paul Bakker7eb013f2011-10-06 12:37:39 +0000255 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200256 mbedtls_printf( " failed\n ! mbedtls_net_accept returned %d\n\n", ret );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000257 goto exit;
258 }
259
Manuel Pégourié-Gonnard1b511f92015-05-06 15:54:23 +0100260 mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000261
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200262 mbedtls_printf( " ok\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000263
Paul Bakker5121ce52009-01-03 21:22:43 +0000264 /*
265 * 5. Handshake
266 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200267 mbedtls_printf( " . Performing the SSL/TLS handshake..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000268 fflush( stdout );
269
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200270 while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000271 {
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100272 if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000273 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200274 mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned %d\n\n", ret );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000275 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000276 }
277 }
278
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200279 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000280
281 /*
282 * 6. Read the HTTP Request
283 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200284 mbedtls_printf( " < Read from client:" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000285 fflush( stdout );
286
287 do
288 {
289 len = sizeof( buf ) - 1;
290 memset( buf, 0, sizeof( buf ) );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200291 ret = mbedtls_ssl_read( &ssl, buf, len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000292
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100293 if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000294 continue;
295
296 if( ret <= 0 )
297 {
298 switch( ret )
299 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200300 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
301 mbedtls_printf( " connection was closed gracefully\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000302 break;
303
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200304 case MBEDTLS_ERR_NET_CONN_RESET:
305 mbedtls_printf( " connection was reset by peer\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000306 break;
307
308 default:
Kenneth Soerensen518d4352020-04-01 17:22:45 +0200309 mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", (unsigned int) -ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000310 break;
311 }
312
313 break;
314 }
315
316 len = ret;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200317 mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
Paul Bakker48916f92012-09-16 19:57:18 +0000318
319 if( ret > 0 )
320 break;
Paul Bakker5121ce52009-01-03 21:22:43 +0000321 }
Paul Bakker48916f92012-09-16 19:57:18 +0000322 while( 1 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000323
324 /*
325 * 7. Write the 200 Response
326 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200327 mbedtls_printf( " > Write to client:" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000328 fflush( stdout );
329
330 len = sprintf( (char *) buf, HTTP_RESPONSE,
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200331 mbedtls_ssl_get_ciphersuite( &ssl ) );
Paul Bakker5121ce52009-01-03 21:22:43 +0000332
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200333 while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000334 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200335 if( ret == MBEDTLS_ERR_NET_CONN_RESET )
Paul Bakker5121ce52009-01-03 21:22:43 +0000336 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200337 mbedtls_printf( " failed\n ! peer closed the connection\n\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000338 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000339 }
340
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100341 if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000342 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200343 mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000344 goto exit;
345 }
346 }
347
348 len = ret;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200349 mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100350
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200351 mbedtls_printf( " . Closing the connection..." );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100352
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200353 while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100354 {
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100355 if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
356 ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100357 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200358 mbedtls_printf( " failed\n ! mbedtls_ssl_close_notify returned %d\n\n", ret );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100359 goto reset;
360 }
361 }
362
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200363 mbedtls_printf( " ok\n" );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100364
Paul Bakkera3d195c2011-11-27 21:07:34 +0000365 ret = 0;
Paul Bakker7eb013f2011-10-06 12:37:39 +0000366 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000367
368exit:
369
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200370#ifdef MBEDTLS_ERROR_C
Paul Bakkera3d195c2011-11-27 21:07:34 +0000371 if( ret != 0 )
372 {
373 char error_buf[100];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200374 mbedtls_strerror( ret, error_buf, 100 );
375 mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
Paul Bakkera3d195c2011-11-27 21:07:34 +0000376 }
377#endif
378
Manuel Pégourié-Gonnard3d7d00a2015-06-30 15:55:03 +0200379 mbedtls_net_free( &client_fd );
380 mbedtls_net_free( &listen_fd );
Paul Bakker0c226102014-04-17 16:02:36 +0200381
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200382 mbedtls_x509_crt_free( &srvcert );
383 mbedtls_pk_free( &pkey );
384 mbedtls_ssl_free( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200385 mbedtls_ssl_config_free( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200386#if defined(MBEDTLS_SSL_CACHE_C)
387 mbedtls_ssl_cache_free( &cache );
Paul Bakker0a597072012-09-25 21:55:46 +0000388#endif
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200389 mbedtls_ctr_drbg_free( &ctr_drbg );
390 mbedtls_entropy_free( &entropy );
Paul Bakker5121ce52009-01-03 21:22:43 +0000391
Paul Bakkercce9d772011-11-18 14:26:47 +0000392#if defined(_WIN32)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200393 mbedtls_printf( " Press Enter to exit this program.\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000394 fflush( stdout ); getchar();
395#endif
396
Krzysztof Stachowiak5e1b1952019-04-24 14:24:46 +0200397 mbedtls_exit( ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000398}
Mateusz Starzyk1aec6462021-02-08 15:34:42 +0100399#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_ENTROPY_C &&
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200400 MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
401 MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C
402 && MBEDTLS_FS_IO && MBEDTLS_PEM_PARSE_C */