1*62c56f98SSadaf Ebrahimi /*
2*62c56f98SSadaf Ebrahimi * Minimal SSL client, used for memory measurements.
3*62c56f98SSadaf Ebrahimi * (meant to be used with config-suite-b.h or config-ccm-psk-tls1_2.h)
4*62c56f98SSadaf Ebrahimi *
5*62c56f98SSadaf Ebrahimi * Copyright The Mbed TLS Contributors
6*62c56f98SSadaf Ebrahimi * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
7*62c56f98SSadaf Ebrahimi */
8*62c56f98SSadaf Ebrahimi
9*62c56f98SSadaf Ebrahimi #include "mbedtls/build_info.h"
10*62c56f98SSadaf Ebrahimi
11*62c56f98SSadaf Ebrahimi #include "mbedtls/platform.h"
12*62c56f98SSadaf Ebrahimi
13*62c56f98SSadaf Ebrahimi /*
14*62c56f98SSadaf Ebrahimi * We're creating and connecting the socket "manually" rather than using the
15*62c56f98SSadaf Ebrahimi * NET module, in order to avoid the overhead of getaddrinfo() which tends to
16*62c56f98SSadaf Ebrahimi * dominate memory usage in small configurations. For the sake of simplicity,
17*62c56f98SSadaf Ebrahimi * only a Unix version is implemented.
18*62c56f98SSadaf Ebrahimi *
19*62c56f98SSadaf Ebrahimi * Warning: we are breaking some of the abstractions from the NET layer here.
20*62c56f98SSadaf Ebrahimi * This is not a good example for general use. This programs has the specific
21*62c56f98SSadaf Ebrahimi * goal of minimizing use of the libc functions on full-blown OSes.
22*62c56f98SSadaf Ebrahimi */
23*62c56f98SSadaf Ebrahimi #if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
24*62c56f98SSadaf Ebrahimi #define UNIX
25*62c56f98SSadaf Ebrahimi #endif
26*62c56f98SSadaf Ebrahimi
27*62c56f98SSadaf Ebrahimi #if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
28*62c56f98SSadaf Ebrahimi !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
29*62c56f98SSadaf Ebrahimi !defined(UNIX)
30*62c56f98SSadaf Ebrahimi
main(void)31*62c56f98SSadaf Ebrahimi int main(void)
32*62c56f98SSadaf Ebrahimi {
33*62c56f98SSadaf Ebrahimi mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
34*62c56f98SSadaf Ebrahimi "MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
35*62c56f98SSadaf Ebrahimi "not defined.\n");
36*62c56f98SSadaf Ebrahimi mbedtls_exit(0);
37*62c56f98SSadaf Ebrahimi }
38*62c56f98SSadaf Ebrahimi #else
39*62c56f98SSadaf Ebrahimi
40*62c56f98SSadaf Ebrahimi #include <string.h>
41*62c56f98SSadaf Ebrahimi
42*62c56f98SSadaf Ebrahimi #include "mbedtls/net_sockets.h"
43*62c56f98SSadaf Ebrahimi #include "mbedtls/ssl.h"
44*62c56f98SSadaf Ebrahimi #include "mbedtls/entropy.h"
45*62c56f98SSadaf Ebrahimi #include "mbedtls/ctr_drbg.h"
46*62c56f98SSadaf Ebrahimi
47*62c56f98SSadaf Ebrahimi #include <sys/socket.h>
48*62c56f98SSadaf Ebrahimi #include <netinet/in.h>
49*62c56f98SSadaf Ebrahimi #include <arpa/inet.h>
50*62c56f98SSadaf Ebrahimi
51*62c56f98SSadaf Ebrahimi /*
52*62c56f98SSadaf Ebrahimi * Hardcoded values for server host and port
53*62c56f98SSadaf Ebrahimi */
54*62c56f98SSadaf Ebrahimi #define PORT_BE 0x1151 /* 4433 */
55*62c56f98SSadaf Ebrahimi #define PORT_LE 0x5111
56*62c56f98SSadaf Ebrahimi #define ADDR_BE 0x7f000001 /* 127.0.0.1 */
57*62c56f98SSadaf Ebrahimi #define ADDR_LE 0x0100007f
58*62c56f98SSadaf Ebrahimi #define HOSTNAME "localhost" /* for cert verification if enabled */
59*62c56f98SSadaf Ebrahimi
60*62c56f98SSadaf Ebrahimi #define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
61*62c56f98SSadaf Ebrahimi
62*62c56f98SSadaf Ebrahimi const char *pers = "mini_client";
63*62c56f98SSadaf Ebrahimi
64*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
65*62c56f98SSadaf Ebrahimi const unsigned char psk[] = {
66*62c56f98SSadaf Ebrahimi 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
67*62c56f98SSadaf Ebrahimi 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
68*62c56f98SSadaf Ebrahimi };
69*62c56f98SSadaf Ebrahimi const char psk_id[] = "Client_identity";
70*62c56f98SSadaf Ebrahimi #endif
71*62c56f98SSadaf Ebrahimi
72*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
73*62c56f98SSadaf Ebrahimi /* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */
74*62c56f98SSadaf Ebrahimi const unsigned char ca_cert[] = {
75*62c56f98SSadaf Ebrahimi 0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01,
76*62c56f98SSadaf Ebrahimi 0x02, 0x02, 0x09, 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8,
77*62c56f98SSadaf Ebrahimi 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02,
78*62c56f98SSadaf Ebrahimi 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
79*62c56f98SSadaf Ebrahimi 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
80*62c56f98SSadaf Ebrahimi 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
81*62c56f98SSadaf Ebrahimi 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
82*62c56f98SSadaf Ebrahimi 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
83*62c56f98SSadaf Ebrahimi 0x43, 0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x39,
84*62c56f98SSadaf Ebrahimi 0x32, 0x34, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32,
85*62c56f98SSadaf Ebrahimi 0x33, 0x30, 0x39, 0x32, 0x32, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a,
86*62c56f98SSadaf Ebrahimi 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
87*62c56f98SSadaf Ebrahimi 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
88*62c56f98SSadaf Ebrahimi 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
89*62c56f98SSadaf Ebrahimi 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
90*62c56f98SSadaf Ebrahimi 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
91*62c56f98SSadaf Ebrahimi 0x43, 0x20, 0x43, 0x41, 0x30, 0x76, 0x30, 0x10, 0x06, 0x07, 0x2a, 0x86,
92*62c56f98SSadaf Ebrahimi 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22,
93*62c56f98SSadaf Ebrahimi 0x03, 0x62, 0x00, 0x04, 0xc3, 0xda, 0x2b, 0x34, 0x41, 0x37, 0x58, 0x2f,
94*62c56f98SSadaf Ebrahimi 0x87, 0x56, 0xfe, 0xfc, 0x89, 0xba, 0x29, 0x43, 0x4b, 0x4e, 0xe0, 0x6e,
95*62c56f98SSadaf Ebrahimi 0xc3, 0x0e, 0x57, 0x53, 0x33, 0x39, 0x58, 0xd4, 0x52, 0xb4, 0x91, 0x95,
96*62c56f98SSadaf Ebrahimi 0x39, 0x0b, 0x23, 0xdf, 0x5f, 0x17, 0x24, 0x62, 0x48, 0xfc, 0x1a, 0x95,
97*62c56f98SSadaf Ebrahimi 0x29, 0xce, 0x2c, 0x2d, 0x87, 0xc2, 0x88, 0x52, 0x80, 0xaf, 0xd6, 0x6a,
98*62c56f98SSadaf Ebrahimi 0xab, 0x21, 0xdd, 0xb8, 0xd3, 0x1c, 0x6e, 0x58, 0xb8, 0xca, 0xe8, 0xb2,
99*62c56f98SSadaf Ebrahimi 0x69, 0x8e, 0xf3, 0x41, 0xad, 0x29, 0xc3, 0xb4, 0x5f, 0x75, 0xa7, 0x47,
100*62c56f98SSadaf Ebrahimi 0x6f, 0xd5, 0x19, 0x29, 0x55, 0x69, 0x9a, 0x53, 0x3b, 0x20, 0xb4, 0x66,
101*62c56f98SSadaf Ebrahimi 0x16, 0x60, 0x33, 0x1e, 0xa3, 0x81, 0xa0, 0x30, 0x81, 0x9d, 0x30, 0x1d,
102*62c56f98SSadaf Ebrahimi 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x9d, 0x6d, 0x20,
103*62c56f98SSadaf Ebrahimi 0x24, 0x49, 0x01, 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24,
104*62c56f98SSadaf Ebrahimi 0xc9, 0xdb, 0xfb, 0x36, 0x7c, 0x30, 0x6e, 0x06, 0x03, 0x55, 0x1d, 0x23,
105*62c56f98SSadaf Ebrahimi 0x04, 0x67, 0x30, 0x65, 0x80, 0x14, 0x9d, 0x6d, 0x20, 0x24, 0x49, 0x01,
106*62c56f98SSadaf Ebrahimi 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, 0xc9, 0xdb, 0xfb,
107*62c56f98SSadaf Ebrahimi 0x36, 0x7c, 0xa1, 0x42, 0xa4, 0x40, 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09,
108*62c56f98SSadaf Ebrahimi 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30,
109*62c56f98SSadaf Ebrahimi 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61,
110*62c56f98SSadaf Ebrahimi 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
111*62c56f98SSadaf Ebrahimi 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20,
112*62c56f98SSadaf Ebrahimi 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x43, 0x20, 0x43, 0x41, 0x82, 0x09,
113*62c56f98SSadaf Ebrahimi 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, 0x30, 0x0c, 0x06,
114*62c56f98SSadaf Ebrahimi 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30,
115*62c56f98SSadaf Ebrahimi 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03,
116*62c56f98SSadaf Ebrahimi 0x69, 0x00, 0x30, 0x66, 0x02, 0x31, 0x00, 0xc3, 0xb4, 0x62, 0x73, 0x56,
117*62c56f98SSadaf Ebrahimi 0x28, 0x95, 0x00, 0x7d, 0x78, 0x12, 0x26, 0xd2, 0x71, 0x7b, 0x19, 0xf8,
118*62c56f98SSadaf Ebrahimi 0x8a, 0x98, 0x3e, 0x92, 0xfe, 0x33, 0x9e, 0xe4, 0x79, 0xd2, 0xfe, 0x7a,
119*62c56f98SSadaf Ebrahimi 0xb7, 0x87, 0x74, 0x3c, 0x2b, 0xb8, 0xd7, 0x69, 0x94, 0x0b, 0xa3, 0x67,
120*62c56f98SSadaf Ebrahimi 0x77, 0xb8, 0xb3, 0xbe, 0xd1, 0x36, 0x32, 0x02, 0x31, 0x00, 0xfd, 0x67,
121*62c56f98SSadaf Ebrahimi 0x9c, 0x94, 0x23, 0x67, 0xc0, 0x56, 0xba, 0x4b, 0x33, 0x15, 0x00, 0xc6,
122*62c56f98SSadaf Ebrahimi 0xe3, 0xcc, 0x31, 0x08, 0x2c, 0x9c, 0x8b, 0xda, 0xa9, 0x75, 0x23, 0x2f,
123*62c56f98SSadaf Ebrahimi 0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c,
124*62c56f98SSadaf Ebrahimi 0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20,
125*62c56f98SSadaf Ebrahimi };
126*62c56f98SSadaf Ebrahimi #endif /* MBEDTLS_X509_CRT_PARSE_C */
127*62c56f98SSadaf Ebrahimi
128*62c56f98SSadaf Ebrahimi enum exit_codes {
129*62c56f98SSadaf Ebrahimi exit_ok = 0,
130*62c56f98SSadaf Ebrahimi ctr_drbg_seed_failed,
131*62c56f98SSadaf Ebrahimi ssl_config_defaults_failed,
132*62c56f98SSadaf Ebrahimi ssl_setup_failed,
133*62c56f98SSadaf Ebrahimi hostname_failed,
134*62c56f98SSadaf Ebrahimi socket_failed,
135*62c56f98SSadaf Ebrahimi connect_failed,
136*62c56f98SSadaf Ebrahimi x509_crt_parse_failed,
137*62c56f98SSadaf Ebrahimi ssl_handshake_failed,
138*62c56f98SSadaf Ebrahimi ssl_write_failed,
139*62c56f98SSadaf Ebrahimi };
140*62c56f98SSadaf Ebrahimi
141*62c56f98SSadaf Ebrahimi
main(void)142*62c56f98SSadaf Ebrahimi int main(void)
143*62c56f98SSadaf Ebrahimi {
144*62c56f98SSadaf Ebrahimi int ret = exit_ok;
145*62c56f98SSadaf Ebrahimi mbedtls_net_context server_fd;
146*62c56f98SSadaf Ebrahimi struct sockaddr_in addr;
147*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
148*62c56f98SSadaf Ebrahimi mbedtls_x509_crt ca;
149*62c56f98SSadaf Ebrahimi #endif
150*62c56f98SSadaf Ebrahimi
151*62c56f98SSadaf Ebrahimi mbedtls_entropy_context entropy;
152*62c56f98SSadaf Ebrahimi mbedtls_ctr_drbg_context ctr_drbg;
153*62c56f98SSadaf Ebrahimi mbedtls_ssl_context ssl;
154*62c56f98SSadaf Ebrahimi mbedtls_ssl_config conf;
155*62c56f98SSadaf Ebrahimi mbedtls_ctr_drbg_init(&ctr_drbg);
156*62c56f98SSadaf Ebrahimi
157*62c56f98SSadaf Ebrahimi /*
158*62c56f98SSadaf Ebrahimi * 0. Initialize and setup stuff
159*62c56f98SSadaf Ebrahimi */
160*62c56f98SSadaf Ebrahimi mbedtls_net_init(&server_fd);
161*62c56f98SSadaf Ebrahimi mbedtls_ssl_init(&ssl);
162*62c56f98SSadaf Ebrahimi mbedtls_ssl_config_init(&conf);
163*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
164*62c56f98SSadaf Ebrahimi mbedtls_x509_crt_init(&ca);
165*62c56f98SSadaf Ebrahimi #endif
166*62c56f98SSadaf Ebrahimi mbedtls_entropy_init(&entropy);
167*62c56f98SSadaf Ebrahimi
168*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_USE_PSA_CRYPTO)
169*62c56f98SSadaf Ebrahimi psa_status_t status = psa_crypto_init();
170*62c56f98SSadaf Ebrahimi if (status != PSA_SUCCESS) {
171*62c56f98SSadaf Ebrahimi ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
172*62c56f98SSadaf Ebrahimi goto exit;
173*62c56f98SSadaf Ebrahimi }
174*62c56f98SSadaf Ebrahimi #endif /* MBEDTLS_USE_PSA_CRYPTO */
175*62c56f98SSadaf Ebrahimi
176*62c56f98SSadaf Ebrahimi if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
177*62c56f98SSadaf Ebrahimi (const unsigned char *) pers, strlen(pers)) != 0) {
178*62c56f98SSadaf Ebrahimi ret = ctr_drbg_seed_failed;
179*62c56f98SSadaf Ebrahimi goto exit;
180*62c56f98SSadaf Ebrahimi }
181*62c56f98SSadaf Ebrahimi
182*62c56f98SSadaf Ebrahimi if (mbedtls_ssl_config_defaults(&conf,
183*62c56f98SSadaf Ebrahimi MBEDTLS_SSL_IS_CLIENT,
184*62c56f98SSadaf Ebrahimi MBEDTLS_SSL_TRANSPORT_STREAM,
185*62c56f98SSadaf Ebrahimi MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
186*62c56f98SSadaf Ebrahimi ret = ssl_config_defaults_failed;
187*62c56f98SSadaf Ebrahimi goto exit;
188*62c56f98SSadaf Ebrahimi }
189*62c56f98SSadaf Ebrahimi
190*62c56f98SSadaf Ebrahimi mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
191*62c56f98SSadaf Ebrahimi
192*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
193*62c56f98SSadaf Ebrahimi mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk),
194*62c56f98SSadaf Ebrahimi (const unsigned char *) psk_id, sizeof(psk_id) - 1);
195*62c56f98SSadaf Ebrahimi #endif
196*62c56f98SSadaf Ebrahimi
197*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
198*62c56f98SSadaf Ebrahimi if (mbedtls_x509_crt_parse_der(&ca, ca_cert, sizeof(ca_cert)) != 0) {
199*62c56f98SSadaf Ebrahimi ret = x509_crt_parse_failed;
200*62c56f98SSadaf Ebrahimi goto exit;
201*62c56f98SSadaf Ebrahimi }
202*62c56f98SSadaf Ebrahimi
203*62c56f98SSadaf Ebrahimi mbedtls_ssl_conf_ca_chain(&conf, &ca, NULL);
204*62c56f98SSadaf Ebrahimi mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
205*62c56f98SSadaf Ebrahimi #endif
206*62c56f98SSadaf Ebrahimi
207*62c56f98SSadaf Ebrahimi if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
208*62c56f98SSadaf Ebrahimi ret = ssl_setup_failed;
209*62c56f98SSadaf Ebrahimi goto exit;
210*62c56f98SSadaf Ebrahimi }
211*62c56f98SSadaf Ebrahimi
212*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
213*62c56f98SSadaf Ebrahimi if (mbedtls_ssl_set_hostname(&ssl, HOSTNAME) != 0) {
214*62c56f98SSadaf Ebrahimi ret = hostname_failed;
215*62c56f98SSadaf Ebrahimi goto exit;
216*62c56f98SSadaf Ebrahimi }
217*62c56f98SSadaf Ebrahimi #endif
218*62c56f98SSadaf Ebrahimi
219*62c56f98SSadaf Ebrahimi /*
220*62c56f98SSadaf Ebrahimi * 1. Start the connection
221*62c56f98SSadaf Ebrahimi */
222*62c56f98SSadaf Ebrahimi memset(&addr, 0, sizeof(addr));
223*62c56f98SSadaf Ebrahimi addr.sin_family = AF_INET;
224*62c56f98SSadaf Ebrahimi
225*62c56f98SSadaf Ebrahimi ret = 1; /* for endianness detection */
226*62c56f98SSadaf Ebrahimi addr.sin_port = *((char *) &ret) == ret ? PORT_LE : PORT_BE;
227*62c56f98SSadaf Ebrahimi addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
228*62c56f98SSadaf Ebrahimi ret = 0;
229*62c56f98SSadaf Ebrahimi
230*62c56f98SSadaf Ebrahimi if ((server_fd.fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
231*62c56f98SSadaf Ebrahimi ret = socket_failed;
232*62c56f98SSadaf Ebrahimi goto exit;
233*62c56f98SSadaf Ebrahimi }
234*62c56f98SSadaf Ebrahimi
235*62c56f98SSadaf Ebrahimi if (connect(server_fd.fd,
236*62c56f98SSadaf Ebrahimi (const struct sockaddr *) &addr, sizeof(addr)) < 0) {
237*62c56f98SSadaf Ebrahimi ret = connect_failed;
238*62c56f98SSadaf Ebrahimi goto exit;
239*62c56f98SSadaf Ebrahimi }
240*62c56f98SSadaf Ebrahimi
241*62c56f98SSadaf Ebrahimi mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
242*62c56f98SSadaf Ebrahimi
243*62c56f98SSadaf Ebrahimi if (mbedtls_ssl_handshake(&ssl) != 0) {
244*62c56f98SSadaf Ebrahimi ret = ssl_handshake_failed;
245*62c56f98SSadaf Ebrahimi goto exit;
246*62c56f98SSadaf Ebrahimi }
247*62c56f98SSadaf Ebrahimi
248*62c56f98SSadaf Ebrahimi /*
249*62c56f98SSadaf Ebrahimi * 2. Write the GET request and close the connection
250*62c56f98SSadaf Ebrahimi */
251*62c56f98SSadaf Ebrahimi if (mbedtls_ssl_write(&ssl, (const unsigned char *) GET_REQUEST,
252*62c56f98SSadaf Ebrahimi sizeof(GET_REQUEST) - 1) <= 0) {
253*62c56f98SSadaf Ebrahimi ret = ssl_write_failed;
254*62c56f98SSadaf Ebrahimi goto exit;
255*62c56f98SSadaf Ebrahimi }
256*62c56f98SSadaf Ebrahimi
257*62c56f98SSadaf Ebrahimi mbedtls_ssl_close_notify(&ssl);
258*62c56f98SSadaf Ebrahimi
259*62c56f98SSadaf Ebrahimi exit:
260*62c56f98SSadaf Ebrahimi mbedtls_net_free(&server_fd);
261*62c56f98SSadaf Ebrahimi mbedtls_ssl_free(&ssl);
262*62c56f98SSadaf Ebrahimi mbedtls_ssl_config_free(&conf);
263*62c56f98SSadaf Ebrahimi mbedtls_ctr_drbg_free(&ctr_drbg);
264*62c56f98SSadaf Ebrahimi mbedtls_entropy_free(&entropy);
265*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_X509_CRT_PARSE_C)
266*62c56f98SSadaf Ebrahimi mbedtls_x509_crt_free(&ca);
267*62c56f98SSadaf Ebrahimi #endif
268*62c56f98SSadaf Ebrahimi #if defined(MBEDTLS_USE_PSA_CRYPTO)
269*62c56f98SSadaf Ebrahimi mbedtls_psa_crypto_free();
270*62c56f98SSadaf Ebrahimi #endif /* MBEDTLS_USE_PSA_CRYPTO */
271*62c56f98SSadaf Ebrahimi
272*62c56f98SSadaf Ebrahimi mbedtls_exit(ret);
273*62c56f98SSadaf Ebrahimi }
274*62c56f98SSadaf Ebrahimi #endif
275