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Paul Bakker5121ce52009-01-03 21:22:43 +00001/*
2 * SSL server demonstration program
3 *
Manuel Pégourié-Gonnard6fb81872015-07-27 11:11:48 +02004 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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 Bakkerb96f1542010-07-18 20:36:00 +000018 *
Manuel Pégourié-Gonnardfe446432015-03-06 13:17:10 +000019 * This file is part of mbed TLS (https://tls.mbed.org)
Paul Bakker5121ce52009-01-03 21:22:43 +000020 */
21
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020022#if !defined(MBEDTLS_CONFIG_FILE)
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +000023#include "mbedtls/config.h"
Manuel Pégourié-Gonnardcef4ad22014-04-29 12:39:06 +020024#else
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020025#include MBEDTLS_CONFIG_FILE
Manuel Pégourié-Gonnardcef4ad22014-04-29 12:39:06 +020026#endif
Paul Bakker5121ce52009-01-03 21:22:43 +000027
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020028#if defined(MBEDTLS_PLATFORM_C)
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +000029#include "mbedtls/platform.h"
Rich Evansf90016a2015-01-19 14:26:37 +000030#else
Rich Evans18b78c72015-02-11 14:06:19 +000031#include <stdio.h>
Simon Butcherd3138c32016-04-27 01:26:50 +010032#include <stdlib.h>
33#define mbedtls_time time
Darryl Green11999bb2018-03-13 15:22:58 +000034#define mbedtls_time_t time_t
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020035#define mbedtls_fprintf fprintf
36#define mbedtls_printf printf
Manuel Pégourié-Gonnard3ef6a6d2018-12-10 14:31:45 +010037#define mbedtls_exit exit
38#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
39#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
Rich Evansf90016a2015-01-19 14:26:37 +000040#endif
41
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020042#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_CERTS_C) || \
43 !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_SSL_TLS_C) || \
44 !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_NET_C) || \
45 !defined(MBEDTLS_RSA_C) || !defined(MBEDTLS_CTR_DRBG_C) || \
46 !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_FS_IO) || \
Manuel Pégourié-Gonnardba8b1eb2019-06-17 15:21:07 +020047 !defined(MBEDTLS_PEM_PARSE_C) || defined(MBEDTLS_SSL_PROTO_NO_TLS)
Rich Evans85b05ec2015-02-12 11:37:29 +000048int main( void )
Paul Bakker5690efc2011-05-26 13:16:06 +000049{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020050 mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_CERTS_C and/or MBEDTLS_ENTROPY_C "
51 "and/or MBEDTLS_SSL_TLS_C and/or MBEDTLS_SSL_SRV_C and/or "
52 "MBEDTLS_NET_C and/or MBEDTLS_RSA_C and/or "
53 "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_X509_CRT_PARSE_C "
Manuel Pégourié-Gonnardba8b1eb2019-06-17 15:21:07 +020054 "and/or MBEDTLS_PEM_PARSE_C not defined, and/or "
55 "MBEDTLS_SSL_PROTO_NO_TLS defined.\n");
Paul Bakker5690efc2011-05-26 13:16:06 +000056 return( 0 );
57}
58#else
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010059
60#include <stdlib.h>
61#include <string.h>
62
63#if defined(_WIN32)
64#include <windows.h>
65#endif
66
67#include "mbedtls/entropy.h"
68#include "mbedtls/ctr_drbg.h"
69#include "mbedtls/certs.h"
70#include "mbedtls/x509.h"
71#include "mbedtls/ssl.h"
Andres AG788aa4a2016-09-14 14:32:09 +010072#include "mbedtls/net_sockets.h"
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010073#include "mbedtls/error.h"
74#include "mbedtls/debug.h"
75
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020076#if defined(MBEDTLS_SSL_CACHE_C)
Manuel Pégourié-Gonnard4b3e5ef2015-03-27 11:24:27 +010077#include "mbedtls/ssl_cache.h"
78#endif
79
80#define HTTP_RESPONSE \
81 "HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n" \
82 "<h2>mbed TLS Test Server</h2>\r\n" \
83 "<p>Successful connection using: %s</p>\r\n"
84
85#define DEBUG_LEVEL 0
86
Simon Butcher63cb97e2018-12-06 17:43:31 +000087
Manuel Pégourié-Gonnard61ee3512015-06-23 17:35:03 +020088static void my_debug( void *ctx, int level,
89 const char *file, int line,
90 const char *str )
Paul Bakker9a97c5d2013-09-15 17:07:33 +020091{
Paul Bakkerc73079a2014-04-25 16:34:30 +020092 ((void) level);
93
Manuel Pégourié-Gonnard61ee3512015-06-23 17:35:03 +020094 mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str );
Paul Bakkerc73079a2014-04-25 16:34:30 +020095 fflush( (FILE *) ctx );
Paul Bakker9a97c5d2013-09-15 17:07:33 +020096}
97
Rich Evans85b05ec2015-02-12 11:37:29 +000098int main( void )
Paul Bakker5121ce52009-01-03 21:22:43 +000099{
100 int ret, len;
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200101 mbedtls_net_context listen_fd, client_fd;
Paul Bakker5121ce52009-01-03 21:22:43 +0000102 unsigned char buf[1024];
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200103 const char *pers = "ssl_server";
Paul Bakker5121ce52009-01-03 21:22:43 +0000104
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200105 mbedtls_entropy_context entropy;
106 mbedtls_ctr_drbg_context ctr_drbg;
107 mbedtls_ssl_context ssl;
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200108 mbedtls_ssl_config conf;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200109 mbedtls_x509_crt srvcert;
110 mbedtls_pk_context pkey;
111#if defined(MBEDTLS_SSL_CACHE_C)
112 mbedtls_ssl_cache_context cache;
Paul Bakkerd4324102012-09-26 08:29:38 +0000113#endif
Paul Bakker5121ce52009-01-03 21:22:43 +0000114
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200115 mbedtls_net_init( &listen_fd );
116 mbedtls_net_init( &client_fd );
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200117 mbedtls_ssl_init( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200118 mbedtls_ssl_config_init( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200119#if defined(MBEDTLS_SSL_CACHE_C)
120 mbedtls_ssl_cache_init( &cache );
Paul Bakker0a597072012-09-25 21:55:46 +0000121#endif
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200122 mbedtls_x509_crt_init( &srvcert );
123 mbedtls_pk_init( &pkey );
124 mbedtls_entropy_init( &entropy );
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200125 mbedtls_ctr_drbg_init( &ctr_drbg );
Paul Bakkerfab5c822012-02-06 16:45:10 +0000126
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200127#if defined(MBEDTLS_DEBUG_C)
128 mbedtls_debug_set_threshold( DEBUG_LEVEL );
Paul Bakkerc73079a2014-04-25 16:34:30 +0200129#endif
130
Paul Bakker5121ce52009-01-03 21:22:43 +0000131 /*
132 * 1. Load the certificates and private RSA key
133 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200134 mbedtls_printf( "\n . Loading the server cert. and key..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000135 fflush( stdout );
136
Paul Bakker5121ce52009-01-03 21:22:43 +0000137 /*
138 * This demonstration program uses embedded test certificates.
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200139 * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the
140 * server and CA certificates, as well as mbedtls_pk_parse_keyfile().
Paul Bakker5121ce52009-01-03 21:22:43 +0000141 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200142 ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt,
143 mbedtls_test_srv_crt_len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000144 if( ret != 0 )
145 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200146 mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000147 goto exit;
148 }
149
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200150 ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem,
151 mbedtls_test_cas_pem_len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000152 if( ret != 0 )
153 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200154 mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000155 goto exit;
156 }
157
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200158 ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key,
159 mbedtls_test_srv_key_len, NULL, 0 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000160 if( ret != 0 )
161 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200162 mbedtls_printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000163 goto exit;
164 }
165
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200166 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000167
168 /*
169 * 2. Setup the listening TCP socket
170 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200171 mbedtls_printf( " . Bind on https://localhost:4433/ ..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000172 fflush( stdout );
173
Manuel Pégourié-Gonnardc0d74942015-06-23 12:30:57 +0200174 if( ( ret = mbedtls_net_bind( &listen_fd, NULL, "4433", MBEDTLS_NET_PROTO_TCP ) ) != 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000175 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200176 mbedtls_printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000177 goto exit;
178 }
179
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200180 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000181
182 /*
Paul Bakker508ad5a2011-12-04 17:09:26 +0000183 * 3. Seed the RNG
Paul Bakker5121ce52009-01-03 21:22:43 +0000184 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200185 mbedtls_printf( " . Seeding the random number generator..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000186 fflush( stdout );
187
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200188 if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
Paul Bakkeref3f8c72013-06-24 13:01:08 +0200189 (const unsigned char *) pers,
190 strlen( pers ) ) ) != 0 )
Paul Bakker508ad5a2011-12-04 17:09:26 +0000191 {
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200192 mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000193 goto exit;
194 }
195
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200196 mbedtls_printf( " ok\n" );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000197
198 /*
199 * 4. Setup stuff
200 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200201 mbedtls_printf( " . Setting up the SSL data...." );
Paul Bakker508ad5a2011-12-04 17:09:26 +0000202 fflush( stdout );
Paul Bakker5121ce52009-01-03 21:22:43 +0000203
Manuel Pégourié-Gonnard419d5ae2015-05-04 19:32:36 +0200204 if( ( ret = mbedtls_ssl_config_defaults( &conf,
205 MBEDTLS_SSL_IS_SERVER,
Manuel Pégourié-Gonnardb31c5f62015-06-17 13:53:47 +0200206 MBEDTLS_SSL_TRANSPORT_STREAM,
207 MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200208 {
209 mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
210 goto exit;
211 }
212
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200213 mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
214 mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000215
Jarno Lamsa29f2dd02019-06-20 15:31:52 +0300216#if defined(MBEDTLS_SSL_CACHE_C) && !defined(MBEDTLS_SSL_NO_SESSION_CACHE)
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200217 mbedtls_ssl_conf_session_cache( &conf, &cache,
Manuel Pégourié-Gonnard5cb33082015-05-06 18:06:26 +0100218 mbedtls_ssl_cache_get,
219 mbedtls_ssl_cache_set );
Jarno Lamsa29f2dd02019-06-20 15:31:52 +0300220#endif /* MBEDTLS_SSL_CACHE_C && !MBEDTLS_SSL_NO_SESSION_CACHE */
Paul Bakker5121ce52009-01-03 21:22:43 +0000221
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200222 mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL );
223 if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 )
Manuel Pégourié-Gonnardc5fd3912014-07-08 14:05:52 +0200224 {
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200225 mbedtls_printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret );
Manuel Pégourié-Gonnardc5fd3912014-07-08 14:05:52 +0200226 goto exit;
227 }
Paul Bakker5121ce52009-01-03 21:22:43 +0000228
Manuel Pégourié-Gonnard06939ce2015-05-11 11:25:46 +0200229 if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
230 {
231 mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
232 goto exit;
233 }
234
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200235 mbedtls_printf( " ok\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000236
237reset:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200238#ifdef MBEDTLS_ERROR_C
Paul Bakkera3d195c2011-11-27 21:07:34 +0000239 if( ret != 0 )
240 {
241 char error_buf[100];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200242 mbedtls_strerror( ret, error_buf, 100 );
243 mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
Paul Bakkera3d195c2011-11-27 21:07:34 +0000244 }
245#endif
246
Manuel Pégourié-Gonnard3d7d00a2015-06-30 15:55:03 +0200247 mbedtls_net_free( &client_fd );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000248
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200249 mbedtls_ssl_session_reset( &ssl );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000250
251 /*
252 * 3. Wait until a client connects
253 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200254 mbedtls_printf( " . Waiting for a remote connection ..." );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000255 fflush( stdout );
256
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200257 if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd,
Manuel Pégourié-Gonnard0b104b02015-05-14 21:52:40 +0200258 NULL, 0, NULL ) ) != 0 )
Paul Bakker7eb013f2011-10-06 12:37:39 +0000259 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200260 mbedtls_printf( " failed\n ! mbedtls_net_accept returned %d\n\n", ret );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000261 goto exit;
262 }
263
Manuel Pégourié-Gonnard1b511f92015-05-06 15:54:23 +0100264 mbedtls_ssl_set_bio( &ssl, &client_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000265
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200266 mbedtls_printf( " ok\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000267
Paul Bakker5121ce52009-01-03 21:22:43 +0000268 /*
269 * 5. Handshake
270 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200271 mbedtls_printf( " . Performing the SSL/TLS handshake..." );
Paul Bakker5121ce52009-01-03 21:22:43 +0000272 fflush( stdout );
273
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200274 while( ( ret = mbedtls_ssl_handshake( &ssl ) ) != 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000275 {
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100276 if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000277 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200278 mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned %d\n\n", ret );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000279 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000280 }
281 }
282
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200283 mbedtls_printf( " ok\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000284
285 /*
286 * 6. Read the HTTP Request
287 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200288 mbedtls_printf( " < Read from client:" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000289 fflush( stdout );
290
291 do
292 {
293 len = sizeof( buf ) - 1;
294 memset( buf, 0, sizeof( buf ) );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200295 ret = mbedtls_ssl_read( &ssl, buf, len );
Paul Bakker5121ce52009-01-03 21:22:43 +0000296
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100297 if( ret == MBEDTLS_ERR_SSL_WANT_READ || ret == MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000298 continue;
299
300 if( ret <= 0 )
301 {
302 switch( ret )
303 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200304 case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
305 mbedtls_printf( " connection was closed gracefully\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000306 break;
307
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200308 case MBEDTLS_ERR_NET_CONN_RESET:
309 mbedtls_printf( " connection was reset by peer\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000310 break;
311
312 default:
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200313 mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n", -ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000314 break;
315 }
316
317 break;
318 }
319
320 len = ret;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200321 mbedtls_printf( " %d bytes read\n\n%s", len, (char *) buf );
Paul Bakker48916f92012-09-16 19:57:18 +0000322
323 if( ret > 0 )
324 break;
Paul Bakker5121ce52009-01-03 21:22:43 +0000325 }
Paul Bakker48916f92012-09-16 19:57:18 +0000326 while( 1 );
Paul Bakker5121ce52009-01-03 21:22:43 +0000327
328 /*
329 * 7. Write the 200 Response
330 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200331 mbedtls_printf( " > Write to client:" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000332 fflush( stdout );
333
334 len = sprintf( (char *) buf, HTTP_RESPONSE,
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200335 mbedtls_ssl_get_ciphersuite( &ssl ) );
Paul Bakker5121ce52009-01-03 21:22:43 +0000336
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200337 while( ( ret = mbedtls_ssl_write( &ssl, buf, len ) ) <= 0 )
Paul Bakker5121ce52009-01-03 21:22:43 +0000338 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200339 if( ret == MBEDTLS_ERR_NET_CONN_RESET )
Paul Bakker5121ce52009-01-03 21:22:43 +0000340 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200341 mbedtls_printf( " failed\n ! peer closed the connection\n\n" );
Paul Bakker7eb013f2011-10-06 12:37:39 +0000342 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000343 }
344
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100345 if( ret != MBEDTLS_ERR_SSL_WANT_READ && ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Paul Bakker5121ce52009-01-03 21:22:43 +0000346 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200347 mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
Paul Bakker5121ce52009-01-03 21:22:43 +0000348 goto exit;
349 }
350 }
351
352 len = ret;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200353 mbedtls_printf( " %d bytes written\n\n%s\n", len, (char *) buf );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100354
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200355 mbedtls_printf( " . Closing the connection..." );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100356
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200357 while( ( ret = mbedtls_ssl_close_notify( &ssl ) ) < 0 )
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100358 {
Manuel Pégourié-Gonnard88369942015-05-06 16:19:31 +0100359 if( ret != MBEDTLS_ERR_SSL_WANT_READ &&
360 ret != MBEDTLS_ERR_SSL_WANT_WRITE )
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100361 {
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200362 mbedtls_printf( " failed\n ! mbedtls_ssl_close_notify returned %d\n\n", ret );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100363 goto reset;
364 }
365 }
366
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200367 mbedtls_printf( " ok\n" );
Manuel Pégourié-Gonnard6b0d2682014-03-25 11:24:43 +0100368
Paul Bakkera3d195c2011-11-27 21:07:34 +0000369 ret = 0;
Paul Bakker7eb013f2011-10-06 12:37:39 +0000370 goto reset;
Paul Bakker5121ce52009-01-03 21:22:43 +0000371
372exit:
373
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200374#ifdef MBEDTLS_ERROR_C
Paul Bakkera3d195c2011-11-27 21:07:34 +0000375 if( ret != 0 )
376 {
377 char error_buf[100];
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200378 mbedtls_strerror( ret, error_buf, 100 );
379 mbedtls_printf("Last error was: %d - %s\n\n", ret, error_buf );
Paul Bakkera3d195c2011-11-27 21:07:34 +0000380 }
381#endif
382
Manuel Pégourié-Gonnard3d7d00a2015-06-30 15:55:03 +0200383 mbedtls_net_free( &client_fd );
384 mbedtls_net_free( &listen_fd );
Paul Bakker0c226102014-04-17 16:02:36 +0200385
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200386 mbedtls_x509_crt_free( &srvcert );
387 mbedtls_pk_free( &pkey );
388 mbedtls_ssl_free( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200389 mbedtls_ssl_config_free( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200390#if defined(MBEDTLS_SSL_CACHE_C)
391 mbedtls_ssl_cache_free( &cache );
Paul Bakker0a597072012-09-25 21:55:46 +0000392#endif
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200393 mbedtls_ctr_drbg_free( &ctr_drbg );
394 mbedtls_entropy_free( &entropy );
Paul Bakker5121ce52009-01-03 21:22:43 +0000395
Paul Bakkercce9d772011-11-18 14:26:47 +0000396#if defined(_WIN32)
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200397 mbedtls_printf( " Press Enter to exit this program.\n" );
Paul Bakker5121ce52009-01-03 21:22:43 +0000398 fflush( stdout ); getchar();
399#endif
400
401 return( ret );
402}
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200403#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_CERTS_C && MBEDTLS_ENTROPY_C &&
404 MBEDTLS_SSL_TLS_C && MBEDTLS_SSL_SRV_C && MBEDTLS_NET_C &&
405 MBEDTLS_RSA_C && MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C
406 && MBEDTLS_FS_IO && MBEDTLS_PEM_PARSE_C */