blob: 8f2fed82afbc7c47c7423946de1c82bb4bb14eb8 [file] [log] [blame]
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +01001/*
2 * Minimal SSL client, used for memory measurements.
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +01003 * (meant to be used with config-suite-b.h or config-ccm-psk-tls1_2.h)
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +01004 *
Bence Szépkúti1e148272020-08-07 13:07:28 +02005 * Copyright The Mbed TLS Contributors
Manuel Pégourié-Gonnard37ff1402015-09-04 14:21:07 +02006 * SPDX-License-Identifier: Apache-2.0
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License"); you may
9 * not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
16 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010019 */
20
Bence Szépkútic662b362021-05-27 11:25:03 +020021#include "mbedtls/build_info.h"
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010022
Manuel Pégourié-Gonnard3ef6a6d2018-12-10 14:31:45 +010023#if defined(MBEDTLS_PLATFORM_C)
24#include "mbedtls/platform.h"
25#else
26#include <stdio.h>
27#include <stdlib.h>
28#define mbedtls_printf printf
29#define mbedtls_exit exit
30#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
31#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
32#endif
33
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010034/*
35 * We're creating and connecting the socket "manually" rather than using the
36 * NET module, in order to avoid the overhead of getaddrinfo() which tends to
37 * dominate memory usage in small configurations. For the sake of simplicity,
38 * only a Unix version is implemented.
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +020039 *
Shaun Case8b0ecbc2021-12-20 21:14:10 -080040 * Warning: we are breaking some of the abstractions from the NET layer here.
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +020041 * This is not a good example for general use. This programs has the specific
42 * goal of minimizing use of the libc functions on full-blown OSes.
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010043 */
Manuel Pégourié-Gonnard90ab4a42016-02-22 10:47:43 +010044#if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010045#define UNIX
46#endif
47
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020048#if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
49 !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010050 !defined(UNIX)
SimonBd5800b72016-04-26 07:43:27 +010051
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010052int main( void )
53{
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020054 mbedtls_printf( "MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
55 "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010056 "not defined.\n");
Krzysztof Stachowiak5e1b1952019-04-24 14:24:46 +020057 mbedtls_exit( 0 );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010058}
59#else
60
61#include <string.h>
62
Andres AG788aa4a2016-09-14 14:32:09 +010063#include "mbedtls/net_sockets.h"
Manuel Pégourié-Gonnard7f809972015-03-09 17:05:11 +000064#include "mbedtls/ssl.h"
65#include "mbedtls/entropy.h"
66#include "mbedtls/ctr_drbg.h"
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010067
68#include <sys/socket.h>
69#include <netinet/in.h>
70#include <arpa/inet.h>
71
72/*
73 * Hardcoded values for server host and port
74 */
75#define PORT_BE 0x1151 /* 4433 */
76#define PORT_LE 0x5111
77#define ADDR_BE 0x7f000001 /* 127.0.0.1 */
78#define ADDR_LE 0x0100007f
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +010079#define HOSTNAME "localhost" /* for cert verification if enabled */
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010080
81#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
82
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +010083const char *pers = "mini_client";
84
Gilles Peskineeccd8882020-03-10 12:19:08 +010085#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010086const unsigned char psk[] = {
87 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
88 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
89};
90const char psk_id[] = "Client_identity";
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +010091#endif
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +010092
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +020093#if defined(MBEDTLS_X509_CRT_PARSE_C)
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +010094/* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */
95const unsigned char ca_cert[] = {
96 0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01,
97 0x02, 0x02, 0x09, 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8,
98 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02,
99 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
100 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
101 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
102 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
103 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
104 0x43, 0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x39,
105 0x32, 0x34, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32,
106 0x33, 0x30, 0x39, 0x32, 0x32, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a,
107 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
108 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
109 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
110 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
111 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
112 0x43, 0x20, 0x43, 0x41, 0x30, 0x76, 0x30, 0x10, 0x06, 0x07, 0x2a, 0x86,
113 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22,
114 0x03, 0x62, 0x00, 0x04, 0xc3, 0xda, 0x2b, 0x34, 0x41, 0x37, 0x58, 0x2f,
115 0x87, 0x56, 0xfe, 0xfc, 0x89, 0xba, 0x29, 0x43, 0x4b, 0x4e, 0xe0, 0x6e,
116 0xc3, 0x0e, 0x57, 0x53, 0x33, 0x39, 0x58, 0xd4, 0x52, 0xb4, 0x91, 0x95,
117 0x39, 0x0b, 0x23, 0xdf, 0x5f, 0x17, 0x24, 0x62, 0x48, 0xfc, 0x1a, 0x95,
118 0x29, 0xce, 0x2c, 0x2d, 0x87, 0xc2, 0x88, 0x52, 0x80, 0xaf, 0xd6, 0x6a,
119 0xab, 0x21, 0xdd, 0xb8, 0xd3, 0x1c, 0x6e, 0x58, 0xb8, 0xca, 0xe8, 0xb2,
120 0x69, 0x8e, 0xf3, 0x41, 0xad, 0x29, 0xc3, 0xb4, 0x5f, 0x75, 0xa7, 0x47,
121 0x6f, 0xd5, 0x19, 0x29, 0x55, 0x69, 0x9a, 0x53, 0x3b, 0x20, 0xb4, 0x66,
122 0x16, 0x60, 0x33, 0x1e, 0xa3, 0x81, 0xa0, 0x30, 0x81, 0x9d, 0x30, 0x1d,
123 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x9d, 0x6d, 0x20,
124 0x24, 0x49, 0x01, 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24,
125 0xc9, 0xdb, 0xfb, 0x36, 0x7c, 0x30, 0x6e, 0x06, 0x03, 0x55, 0x1d, 0x23,
126 0x04, 0x67, 0x30, 0x65, 0x80, 0x14, 0x9d, 0x6d, 0x20, 0x24, 0x49, 0x01,
127 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, 0xc9, 0xdb, 0xfb,
128 0x36, 0x7c, 0xa1, 0x42, 0xa4, 0x40, 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09,
129 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30,
130 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61,
131 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
132 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20,
133 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x43, 0x20, 0x43, 0x41, 0x82, 0x09,
134 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, 0x30, 0x0c, 0x06,
135 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30,
136 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03,
137 0x69, 0x00, 0x30, 0x66, 0x02, 0x31, 0x00, 0xc3, 0xb4, 0x62, 0x73, 0x56,
138 0x28, 0x95, 0x00, 0x7d, 0x78, 0x12, 0x26, 0xd2, 0x71, 0x7b, 0x19, 0xf8,
139 0x8a, 0x98, 0x3e, 0x92, 0xfe, 0x33, 0x9e, 0xe4, 0x79, 0xd2, 0xfe, 0x7a,
140 0xb7, 0x87, 0x74, 0x3c, 0x2b, 0xb8, 0xd7, 0x69, 0x94, 0x0b, 0xa3, 0x67,
141 0x77, 0xb8, 0xb3, 0xbe, 0xd1, 0x36, 0x32, 0x02, 0x31, 0x00, 0xfd, 0x67,
142 0x9c, 0x94, 0x23, 0x67, 0xc0, 0x56, 0xba, 0x4b, 0x33, 0x15, 0x00, 0xc6,
143 0xe3, 0xcc, 0x31, 0x08, 0x2c, 0x9c, 0x8b, 0xda, 0xa9, 0x75, 0x23, 0x2f,
144 0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c,
145 0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20,
146};
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200147#endif /* MBEDTLS_X509_CRT_PARSE_C */
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100148
149enum exit_codes
150{
151 exit_ok = 0,
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200152 ctr_drbg_seed_failed,
Manuel Pégourié-Gonnardfd862b12015-05-11 12:40:45 +0200153 ssl_config_defaults_failed,
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200154 ssl_setup_failed,
Manuel Pégourié-Gonnardbc2b7712015-05-06 11:14:19 +0100155 hostname_failed,
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100156 socket_failed,
157 connect_failed,
158 x509_crt_parse_failed,
159 ssl_handshake_failed,
160 ssl_write_failed,
161};
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100162
Simon Butcher63cb97e2018-12-06 17:43:31 +0000163
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100164int main( void )
165{
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100166 int ret = exit_ok;
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200167 mbedtls_net_context server_fd;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100168 struct sockaddr_in addr;
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200169#if defined(MBEDTLS_X509_CRT_PARSE_C)
170 mbedtls_x509_crt ca;
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100171#endif
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100172
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200173 mbedtls_entropy_context entropy;
174 mbedtls_ctr_drbg_context ctr_drbg;
175 mbedtls_ssl_context ssl;
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200176 mbedtls_ssl_config conf;
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200177 mbedtls_ctr_drbg_init( &ctr_drbg );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100178
179 /*
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100180 * 0. Initialize and setup stuff
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100181 */
Manuel Pégourié-Gonnard5db64322015-06-30 15:40:39 +0200182 mbedtls_net_init( &server_fd );
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200183 mbedtls_ssl_init( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200184 mbedtls_ssl_config_init( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200185#if defined(MBEDTLS_X509_CRT_PARSE_C)
186 mbedtls_x509_crt_init( &ca );
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100187#endif
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100188
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200189 mbedtls_entropy_init( &entropy );
Manuel Pégourié-Gonnardec160c02015-04-28 22:52:30 +0200190 if( mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100191 (const unsigned char *) pers, strlen( pers ) ) != 0 )
192 {
Manuel Pégourié-Gonnard41d479e2015-04-29 00:48:22 +0200193 ret = ctr_drbg_seed_failed;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100194 goto exit;
195 }
196
Manuel Pégourié-Gonnard419d5ae2015-05-04 19:32:36 +0200197 if( mbedtls_ssl_config_defaults( &conf,
198 MBEDTLS_SSL_IS_CLIENT,
Manuel Pégourié-Gonnardb31c5f62015-06-17 13:53:47 +0200199 MBEDTLS_SSL_TRANSPORT_STREAM,
200 MBEDTLS_SSL_PRESET_DEFAULT ) != 0 )
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200201 {
202 ret = ssl_config_defaults_failed;
203 goto exit;
204 }
205
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200206 mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100207
Gilles Peskineeccd8882020-03-10 12:19:08 +0100208#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
Manuel Pégourié-Gonnardfd862b12015-05-11 12:40:45 +0200209 mbedtls_ssl_conf_psk( &conf, psk, sizeof( psk ),
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100210 (const unsigned char *) psk_id, sizeof( psk_id ) - 1 );
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100211#endif
212
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200213#if defined(MBEDTLS_X509_CRT_PARSE_C)
214 if( mbedtls_x509_crt_parse_der( &ca, ca_cert, sizeof( ca_cert ) ) != 0 )
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100215 {
216 ret = x509_crt_parse_failed;
217 goto exit;
218 }
219
Manuel Pégourié-Gonnard6729e792015-05-11 09:50:24 +0200220 mbedtls_ssl_conf_ca_chain( &conf, &ca, NULL );
Manuel Pégourié-Gonnard06939ce2015-05-11 11:25:46 +0200221 mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_REQUIRED );
222#endif
223
224 if( mbedtls_ssl_setup( &ssl, &conf ) != 0 )
225 {
226 ret = ssl_setup_failed;
227 goto exit;
228 }
229
Manuel Pégourié-Gonnard55fab2d2015-05-11 16:15:19 +0200230#if defined(MBEDTLS_X509_CRT_PARSE_C)
Manuel Pégourié-Gonnardbc2b7712015-05-06 11:14:19 +0100231 if( mbedtls_ssl_set_hostname( &ssl, HOSTNAME ) != 0 )
232 {
233 ret = hostname_failed;
234 goto exit;
235 }
Manuel Pégourié-Gonnard55fab2d2015-05-11 16:15:19 +0200236#endif
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100237
238 /*
239 * 1. Start the connection
240 */
241 memset( &addr, 0, sizeof( addr ) );
242 addr.sin_family = AF_INET;
243
244 ret = 1; /* for endianness detection */
245 addr.sin_port = *((char *) &ret) == ret ? PORT_LE : PORT_BE;
246 addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
247 ret = 0;
248
Gilles Peskineb11d61e2021-08-04 20:38:59 +0200249 if( ( server_fd.fd = socket( AF_INET, SOCK_STREAM, 0 ) ) < 0 )
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100250 {
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100251 ret = socket_failed;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100252 goto exit;
253 }
254
Gilles Peskineb11d61e2021-08-04 20:38:59 +0200255 if( connect( server_fd.fd,
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100256 (const struct sockaddr *) &addr, sizeof( addr ) ) < 0 )
257 {
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100258 ret = connect_failed;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100259 goto exit;
260 }
261
Manuel Pégourié-Gonnard1b511f92015-05-06 15:54:23 +0100262 mbedtls_ssl_set_bio( &ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100263
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200264 if( mbedtls_ssl_handshake( &ssl ) != 0 )
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100265 {
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100266 ret = ssl_handshake_failed;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100267 goto exit;
268 }
269
270 /*
271 * 2. Write the GET request and close the connection
272 */
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200273 if( mbedtls_ssl_write( &ssl, (const unsigned char *) GET_REQUEST,
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100274 sizeof( GET_REQUEST ) - 1 ) <= 0 )
275 {
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100276 ret = ssl_write_failed;
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100277 goto exit;
278 }
279
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200280 mbedtls_ssl_close_notify( &ssl );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100281
282exit:
Manuel Pégourié-Gonnard3d7d00a2015-06-30 15:55:03 +0200283 mbedtls_net_free( &server_fd );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100284
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200285 mbedtls_ssl_free( &ssl );
Manuel Pégourié-Gonnarddef0bbe2015-05-04 14:56:36 +0200286 mbedtls_ssl_config_free( &conf );
Manuel Pégourié-Gonnard2cf5a7c2015-04-08 12:49:31 +0200287 mbedtls_ctr_drbg_free( &ctr_drbg );
288 mbedtls_entropy_free( &entropy );
289#if defined(MBEDTLS_X509_CRT_PARSE_C)
290 mbedtls_x509_crt_free( &ca );
Manuel Pégourié-Gonnard3b8926c2014-12-01 11:18:00 +0100291#endif
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100292
Krzysztof Stachowiak5e1b1952019-04-24 14:24:46 +0200293 mbedtls_exit( ret );
Manuel Pégourié-Gonnarda6fc5b22014-11-24 14:05:25 +0100294}
295#endif