274 lines
9.7 KiB
C
274 lines
9.7 KiB
C
/*
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* Minimal SSL client, used for memory measurements.
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* (meant to be used with config-suite-b.h or config-ccm-psk-tls1_2.h)
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*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#include "mbedtls/build_info.h"
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#include "mbedtls/platform.h"
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/*
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* We're creating and connecting the socket "manually" rather than using the
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* NET module, in order to avoid the overhead of getaddrinfo() which tends to
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* dominate memory usage in small configurations. For the sake of simplicity,
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* only a Unix version is implemented.
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*
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* Warning: we are breaking some of the abstractions from the NET layer here.
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* This is not a good example for general use. This programs has the specific
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* goal of minimizing use of the libc functions on full-blown OSes.
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*/
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#if defined(unix) || defined(__unix__) || defined(__unix) || defined(__APPLE__)
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#define UNIX
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#endif
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#if !defined(MBEDTLS_CTR_DRBG_C) || !defined(MBEDTLS_ENTROPY_C) || \
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!defined(MBEDTLS_NET_C) || !defined(MBEDTLS_SSL_CLI_C) || \
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!defined(UNIX)
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int main(void)
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{
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mbedtls_printf("MBEDTLS_CTR_DRBG_C and/or MBEDTLS_ENTROPY_C and/or "
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"MBEDTLS_NET_C and/or MBEDTLS_SSL_CLI_C and/or UNIX "
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"not defined.\n");
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mbedtls_exit(0);
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}
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#else
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#include <string.h>
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#include "mbedtls/net_sockets.h"
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#include "mbedtls/ssl.h"
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#include "mbedtls/entropy.h"
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#include "mbedtls/ctr_drbg.h"
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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/*
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* Hardcoded values for server host and port
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*/
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#define PORT_BE 0x1151 /* 4433 */
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#define PORT_LE 0x5111
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#define ADDR_BE 0x7f000001 /* 127.0.0.1 */
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#define ADDR_LE 0x0100007f
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#define HOSTNAME "localhost" /* for cert verification if enabled */
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#define GET_REQUEST "GET / HTTP/1.0\r\n\r\n"
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const char *pers = "mini_client";
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#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
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const unsigned char psk[] = {
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
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};
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const char psk_id[] = "Client_identity";
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#endif
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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/* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */
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const unsigned char ca_cert[] = {
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0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01,
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0x02, 0x02, 0x09, 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8,
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0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02,
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0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
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0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
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0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
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0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
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0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
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0x43, 0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x39,
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0x32, 0x34, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32,
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0x33, 0x30, 0x39, 0x32, 0x32, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a,
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0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
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0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a,
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0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c,
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0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c,
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0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45,
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0x43, 0x20, 0x43, 0x41, 0x30, 0x76, 0x30, 0x10, 0x06, 0x07, 0x2a, 0x86,
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0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22,
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0x03, 0x62, 0x00, 0x04, 0xc3, 0xda, 0x2b, 0x34, 0x41, 0x37, 0x58, 0x2f,
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0x87, 0x56, 0xfe, 0xfc, 0x89, 0xba, 0x29, 0x43, 0x4b, 0x4e, 0xe0, 0x6e,
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0xc3, 0x0e, 0x57, 0x53, 0x33, 0x39, 0x58, 0xd4, 0x52, 0xb4, 0x91, 0x95,
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0x39, 0x0b, 0x23, 0xdf, 0x5f, 0x17, 0x24, 0x62, 0x48, 0xfc, 0x1a, 0x95,
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0x29, 0xce, 0x2c, 0x2d, 0x87, 0xc2, 0x88, 0x52, 0x80, 0xaf, 0xd6, 0x6a,
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0xab, 0x21, 0xdd, 0xb8, 0xd3, 0x1c, 0x6e, 0x58, 0xb8, 0xca, 0xe8, 0xb2,
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0x69, 0x8e, 0xf3, 0x41, 0xad, 0x29, 0xc3, 0xb4, 0x5f, 0x75, 0xa7, 0x47,
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0x6f, 0xd5, 0x19, 0x29, 0x55, 0x69, 0x9a, 0x53, 0x3b, 0x20, 0xb4, 0x66,
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0x16, 0x60, 0x33, 0x1e, 0xa3, 0x81, 0xa0, 0x30, 0x81, 0x9d, 0x30, 0x1d,
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0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x9d, 0x6d, 0x20,
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0x24, 0x49, 0x01, 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24,
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0xc9, 0xdb, 0xfb, 0x36, 0x7c, 0x30, 0x6e, 0x06, 0x03, 0x55, 0x1d, 0x23,
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0x04, 0x67, 0x30, 0x65, 0x80, 0x14, 0x9d, 0x6d, 0x20, 0x24, 0x49, 0x01,
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0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, 0xc9, 0xdb, 0xfb,
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0x36, 0x7c, 0xa1, 0x42, 0xa4, 0x40, 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09,
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0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30,
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0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61,
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0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04,
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0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20,
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0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x43, 0x20, 0x43, 0x41, 0x82, 0x09,
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0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, 0x30, 0x0c, 0x06,
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0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30,
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0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03,
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0x69, 0x00, 0x30, 0x66, 0x02, 0x31, 0x00, 0xc3, 0xb4, 0x62, 0x73, 0x56,
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0x28, 0x95, 0x00, 0x7d, 0x78, 0x12, 0x26, 0xd2, 0x71, 0x7b, 0x19, 0xf8,
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0x8a, 0x98, 0x3e, 0x92, 0xfe, 0x33, 0x9e, 0xe4, 0x79, 0xd2, 0xfe, 0x7a,
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0xb7, 0x87, 0x74, 0x3c, 0x2b, 0xb8, 0xd7, 0x69, 0x94, 0x0b, 0xa3, 0x67,
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0x77, 0xb8, 0xb3, 0xbe, 0xd1, 0x36, 0x32, 0x02, 0x31, 0x00, 0xfd, 0x67,
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0x9c, 0x94, 0x23, 0x67, 0xc0, 0x56, 0xba, 0x4b, 0x33, 0x15, 0x00, 0xc6,
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0xe3, 0xcc, 0x31, 0x08, 0x2c, 0x9c, 0x8b, 0xda, 0xa9, 0x75, 0x23, 0x2f,
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0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c,
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0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20,
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};
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#endif /* MBEDTLS_X509_CRT_PARSE_C */
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enum exit_codes {
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exit_ok = 0,
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ctr_drbg_seed_failed,
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ssl_config_defaults_failed,
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ssl_setup_failed,
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hostname_failed,
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socket_failed,
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connect_failed,
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x509_crt_parse_failed,
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ssl_handshake_failed,
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ssl_write_failed,
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};
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int main(void)
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{
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int ret = exit_ok;
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mbedtls_net_context server_fd;
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struct sockaddr_in addr;
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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mbedtls_x509_crt ca;
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#endif
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mbedtls_entropy_context entropy;
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mbedtls_ctr_drbg_context ctr_drbg;
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mbedtls_ssl_context ssl;
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mbedtls_ssl_config conf;
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mbedtls_ctr_drbg_init(&ctr_drbg);
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/*
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* 0. Initialize and setup stuff
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*/
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mbedtls_net_init(&server_fd);
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mbedtls_ssl_init(&ssl);
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mbedtls_ssl_config_init(&conf);
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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mbedtls_x509_crt_init(&ca);
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#endif
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mbedtls_entropy_init(&entropy);
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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psa_status_t status = psa_crypto_init();
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if (status != PSA_SUCCESS) {
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ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
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goto exit;
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}
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
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(const unsigned char *) pers, strlen(pers)) != 0) {
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ret = ctr_drbg_seed_failed;
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goto exit;
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}
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if (mbedtls_ssl_config_defaults(&conf,
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MBEDTLS_SSL_IS_CLIENT,
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MBEDTLS_SSL_TRANSPORT_STREAM,
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MBEDTLS_SSL_PRESET_DEFAULT) != 0) {
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ret = ssl_config_defaults_failed;
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goto exit;
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}
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mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg);
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#if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
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mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk),
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(const unsigned char *) psk_id, sizeof(psk_id) - 1);
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#endif
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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if (mbedtls_x509_crt_parse_der(&ca, ca_cert, sizeof(ca_cert)) != 0) {
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ret = x509_crt_parse_failed;
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goto exit;
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}
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mbedtls_ssl_conf_ca_chain(&conf, &ca, NULL);
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mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED);
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#endif
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if (mbedtls_ssl_setup(&ssl, &conf) != 0) {
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ret = ssl_setup_failed;
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goto exit;
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}
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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if (mbedtls_ssl_set_hostname(&ssl, HOSTNAME) != 0) {
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ret = hostname_failed;
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goto exit;
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}
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#endif
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/*
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* 1. Start the connection
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*/
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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ret = 1; /* for endianness detection */
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addr.sin_port = *((char *) &ret) == ret ? PORT_LE : PORT_BE;
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addr.sin_addr.s_addr = *((char *) &ret) == ret ? ADDR_LE : ADDR_BE;
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ret = 0;
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if ((server_fd.fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
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ret = socket_failed;
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goto exit;
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}
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if (connect(server_fd.fd,
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(const struct sockaddr *) &addr, sizeof(addr)) < 0) {
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ret = connect_failed;
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goto exit;
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}
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mbedtls_ssl_set_bio(&ssl, &server_fd, mbedtls_net_send, mbedtls_net_recv, NULL);
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if (mbedtls_ssl_handshake(&ssl) != 0) {
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ret = ssl_handshake_failed;
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goto exit;
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}
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/*
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* 2. Write the GET request and close the connection
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*/
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if (mbedtls_ssl_write(&ssl, (const unsigned char *) GET_REQUEST,
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sizeof(GET_REQUEST) - 1) <= 0) {
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ret = ssl_write_failed;
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goto exit;
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}
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mbedtls_ssl_close_notify(&ssl);
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exit:
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mbedtls_net_free(&server_fd);
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mbedtls_ssl_free(&ssl);
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mbedtls_ssl_config_free(&conf);
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mbedtls_ctr_drbg_free(&ctr_drbg);
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mbedtls_entropy_free(&entropy);
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#if defined(MBEDTLS_X509_CRT_PARSE_C)
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mbedtls_x509_crt_free(&ca);
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#endif
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#if defined(MBEDTLS_USE_PSA_CRYPTO)
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mbedtls_psa_crypto_free();
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#endif /* MBEDTLS_USE_PSA_CRYPTO */
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mbedtls_exit(ret);
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}
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#endif
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