| /* |
| * Minimal SSL client, used for memory measurements. |
| * (meant to be used with config-suite-b.h or config-ccm-psk-tls1_2.h) |
| * |
| * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * This file is part of mbed TLS (https://tls.mbed.org) |
| */ |
| |
| #include <zephyr.h> |
| #if defined(CONFIG_STDOUT_CONSOLE) |
| #include <stdio.h> |
| #define PRINT printf |
| #else |
| #include <misc/printk.h> |
| #define PRINT printk |
| #endif |
| |
| #include <errno.h> |
| |
| #if !defined(CONFIG_MBEDTLS_CFG_FILE) |
| #include "mbedtls/config.h" |
| #else |
| #include CONFIG_MBEDTLS_CFG_FILE |
| #endif |
| |
| #if defined(MBEDTLS_PLATFORM_C) |
| #include "mbedtls/platform.h" |
| #else |
| #include <stdlib.h> |
| #define mbedtls_time_t time_t |
| #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS |
| #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE |
| #endif |
| |
| #include <string.h> |
| #include "tcp.h" |
| #include "tcp_cfg.h" |
| |
| #include "mbedtls/net.h" |
| #include "mbedtls/ssl.h" |
| #include "mbedtls/entropy.h" |
| #include "mbedtls/ctr_drbg.h" |
| |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| #include "mbedtls/memory_buffer_alloc.h" |
| static unsigned char heap[20480]; |
| #endif |
| |
| /* |
| * Hardcoded values for server host and port |
| */ |
| #define HOSTNAME "localhost" /* for cert verification if enabled */ |
| |
| #define GET_REQUEST "GET / HTTP/1.0\r\n\r\n" |
| |
| const char *pers = "mini_client"; |
| |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| const unsigned char psk[] = { |
| 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f |
| }; |
| |
| const char psk_id[] = "Client_identity"; |
| #endif |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| /* This is tests/data_files/test-ca2.crt, a CA using EC secp384r1 */ |
| const unsigned char ca_cert[] = { |
| 0x30, 0x82, 0x02, 0x52, 0x30, 0x82, 0x01, 0xd7, 0xa0, 0x03, 0x02, 0x01, |
| 0x02, 0x02, 0x09, 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, |
| 0x30, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, |
| 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, |
| 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, |
| 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, |
| 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, |
| 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, |
| 0x43, 0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x33, 0x30, 0x39, |
| 0x32, 0x34, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, 0x17, 0x0d, 0x32, |
| 0x33, 0x30, 0x39, 0x32, 0x32, 0x31, 0x35, 0x34, 0x39, 0x34, 0x38, 0x5a, |
| 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, |
| 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, |
| 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, |
| 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, |
| 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, |
| 0x43, 0x20, 0x43, 0x41, 0x30, 0x76, 0x30, 0x10, 0x06, 0x07, 0x2a, 0x86, |
| 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x05, 0x2b, 0x81, 0x04, 0x00, 0x22, |
| 0x03, 0x62, 0x00, 0x04, 0xc3, 0xda, 0x2b, 0x34, 0x41, 0x37, 0x58, 0x2f, |
| 0x87, 0x56, 0xfe, 0xfc, 0x89, 0xba, 0x29, 0x43, 0x4b, 0x4e, 0xe0, 0x6e, |
| 0xc3, 0x0e, 0x57, 0x53, 0x33, 0x39, 0x58, 0xd4, 0x52, 0xb4, 0x91, 0x95, |
| 0x39, 0x0b, 0x23, 0xdf, 0x5f, 0x17, 0x24, 0x62, 0x48, 0xfc, 0x1a, 0x95, |
| 0x29, 0xce, 0x2c, 0x2d, 0x87, 0xc2, 0x88, 0x52, 0x80, 0xaf, 0xd6, 0x6a, |
| 0xab, 0x21, 0xdd, 0xb8, 0xd3, 0x1c, 0x6e, 0x58, 0xb8, 0xca, 0xe8, 0xb2, |
| 0x69, 0x8e, 0xf3, 0x41, 0xad, 0x29, 0xc3, 0xb4, 0x5f, 0x75, 0xa7, 0x47, |
| 0x6f, 0xd5, 0x19, 0x29, 0x55, 0x69, 0x9a, 0x53, 0x3b, 0x20, 0xb4, 0x66, |
| 0x16, 0x60, 0x33, 0x1e, 0xa3, 0x81, 0xa0, 0x30, 0x81, 0x9d, 0x30, 0x1d, |
| 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x9d, 0x6d, 0x20, |
| 0x24, 0x49, 0x01, 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, |
| 0xc9, 0xdb, 0xfb, 0x36, 0x7c, 0x30, 0x6e, 0x06, 0x03, 0x55, 0x1d, 0x23, |
| 0x04, 0x67, 0x30, 0x65, 0x80, 0x14, 0x9d, 0x6d, 0x20, 0x24, 0x49, 0x01, |
| 0x3f, 0x2b, 0xcb, 0x78, 0xb5, 0x19, 0xbc, 0x7e, 0x24, 0xc9, 0xdb, 0xfb, |
| 0x36, 0x7c, 0xa1, 0x42, 0xa4, 0x40, 0x30, 0x3e, 0x31, 0x0b, 0x30, 0x09, |
| 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x4e, 0x4c, 0x31, 0x11, 0x30, |
| 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x08, 0x50, 0x6f, 0x6c, 0x61, |
| 0x72, 0x53, 0x53, 0x4c, 0x31, 0x1c, 0x30, 0x1a, 0x06, 0x03, 0x55, 0x04, |
| 0x03, 0x13, 0x13, 0x50, 0x6f, 0x6c, 0x61, 0x72, 0x73, 0x73, 0x6c, 0x20, |
| 0x54, 0x65, 0x73, 0x74, 0x20, 0x45, 0x43, 0x20, 0x43, 0x41, 0x82, 0x09, |
| 0x00, 0xc1, 0x43, 0xe2, 0x7e, 0x62, 0x43, 0xcc, 0xe8, 0x30, 0x0c, 0x06, |
| 0x03, 0x55, 0x1d, 0x13, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff, 0x30, |
| 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x03, |
| 0x69, 0x00, 0x30, 0x66, 0x02, 0x31, 0x00, 0xc3, 0xb4, 0x62, 0x73, 0x56, |
| 0x28, 0x95, 0x00, 0x7d, 0x78, 0x12, 0x26, 0xd2, 0x71, 0x7b, 0x19, 0xf8, |
| 0x8a, 0x98, 0x3e, 0x92, 0xfe, 0x33, 0x9e, 0xe4, 0x79, 0xd2, 0xfe, 0x7a, |
| 0xb7, 0x87, 0x74, 0x3c, 0x2b, 0xb8, 0xd7, 0x69, 0x94, 0x0b, 0xa3, 0x67, |
| 0x77, 0xb8, 0xb3, 0xbe, 0xd1, 0x36, 0x32, 0x02, 0x31, 0x00, 0xfd, 0x67, |
| 0x9c, 0x94, 0x23, 0x67, 0xc0, 0x56, 0xba, 0x4b, 0x33, 0x15, 0x00, 0xc6, |
| 0xe3, 0xcc, 0x31, 0x08, 0x2c, 0x9c, 0x8b, 0xda, 0xa9, 0x75, 0x23, 0x2f, |
| 0xb8, 0x28, 0xe7, 0xf2, 0x9c, 0x14, 0x3a, 0x40, 0x01, 0x5c, 0xaf, 0x0c, |
| 0xb2, 0xcf, 0x74, 0x7f, 0x30, 0x9f, 0x08, 0x43, 0xad, 0x20, |
| }; |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| enum exit_codes { |
| exit_ok = 0, |
| ctr_drbg_seed_failed, |
| ssl_config_defaults_failed, |
| ssl_setup_failed, |
| hostname_failed, |
| socket_failed, |
| connect_failed, |
| x509_crt_parse_failed, |
| ssl_handshake_failed, |
| ssl_write_failed, |
| }; |
| |
| static int entropy_source(void *data, unsigned char *output, size_t len, |
| size_t *olen) |
| { |
| u32_t seed; |
| |
| ARG_UNUSED(data); |
| |
| seed = sys_rand32_get(); |
| |
| if (len > sizeof(seed)) { |
| len = sizeof(seed); |
| } |
| |
| memcpy(output, &seed, len); |
| |
| *olen = len; |
| |
| return 0; |
| } |
| |
| void tls_client(void) |
| { |
| int ret = exit_ok; |
| struct tcp_context ctx; |
| |
| ctx.timeout = MBEDTLS_NETWORK_TIMEOUT; |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| mbedtls_x509_crt ca; |
| #endif |
| |
| mbedtls_entropy_context entropy; |
| mbedtls_ctr_drbg_context ctr_drbg; |
| mbedtls_ssl_context ssl; |
| mbedtls_ssl_config conf; |
| mbedtls_ctr_drbg_init(&ctr_drbg); |
| |
| mbedtls_platform_set_printf(PRINT); |
| |
| /* |
| * 0. Initialize and setup stuff |
| */ |
| mbedtls_ssl_init(&ssl); |
| mbedtls_ssl_config_init(&conf); |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| mbedtls_x509_crt_init(&ca); |
| #endif |
| |
| mbedtls_printf("\n . Seeding the random number generator..."); |
| mbedtls_entropy_init(&entropy); |
| mbedtls_entropy_add_source(&entropy, entropy_source, NULL, |
| MBEDTLS_ENTROPY_MAX_GATHER, |
| MBEDTLS_ENTROPY_SOURCE_STRONG); |
| |
| if (mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, |
| (const unsigned char *)pers, |
| strlen(pers)) != 0) { |
| ret = ctr_drbg_seed_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n", |
| -ret); |
| goto exit; |
| } |
| mbedtls_printf(" ok\n"); |
| |
| mbedtls_printf(" . Setting up the SSL/TLS structure..."); |
| if (mbedtls_ssl_config_defaults(&conf, |
| MBEDTLS_SSL_IS_CLIENT, |
| MBEDTLS_SSL_TRANSPORT_STREAM, |
| MBEDTLS_SSL_PRESET_DEFAULT) != 0) { |
| ret = ssl_config_defaults_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ssl_config_defaults returned -0x%x\n\n", |
| -ret); |
| goto exit; |
| } |
| |
| mbedtls_ssl_conf_rng(&conf, mbedtls_ctr_drbg_random, &ctr_drbg); |
| |
| #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| mbedtls_memory_buffer_alloc_init(heap, sizeof(heap)); |
| #endif |
| |
| #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED) |
| mbedtls_ssl_conf_psk(&conf, psk, sizeof(psk), |
| (const unsigned char *)psk_id, sizeof(psk_id) - 1); |
| #endif |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| if (mbedtls_x509_crt_parse_der(&ca, ca_cert, sizeof(ca_cert)) != 0) { |
| ret = x509_crt_parse_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", |
| -ret); |
| goto exit; |
| } |
| |
| mbedtls_ssl_conf_ca_chain(&conf, &ca, NULL); |
| mbedtls_ssl_conf_authmode(&conf, MBEDTLS_SSL_VERIFY_REQUIRED); |
| #endif |
| |
| if (mbedtls_ssl_setup(&ssl, &conf) != 0) { |
| ret = ssl_setup_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ssl_setup returned -0x%x\n\n", -ret); |
| goto exit; |
| } |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| if (mbedtls_ssl_set_hostname(&ssl, HOSTNAME) != 0) { |
| ret = hostname_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", |
| ret); |
| goto exit; |
| } |
| #endif |
| mbedtls_printf(" ok\n"); |
| |
| /* |
| * 1. Start the connection |
| */ |
| |
| mbedtls_printf(" . Connecting to tcp %s...", SERVER_ADDR); |
| |
| if (tcp_set_local_addr(&ctx, LOCAL_ADDR) != 0) { |
| printk("tcp set_local_addr error\n"); |
| goto exit; |
| } |
| |
| if (tcp_init(&ctx, SERVER_ADDR, SERVER_PORT) != 0) { |
| ret = connect_failed; |
| mbedtls_printf(" failed\n ! tcp_init returned -0x%x\n\n", |
| -ret); |
| goto exit; |
| } |
| |
| mbedtls_printf(" ok\n"); |
| |
| mbedtls_ssl_set_bio(&ssl, &ctx, tcp_tx, tcp_rx, NULL); |
| |
| mbedtls_printf(" . Performing the SSL/TLS handshake..."); |
| if (mbedtls_ssl_handshake(&ssl) != 0) { |
| ret = ssl_handshake_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ssl_handshake returned -0x%x\n", |
| -ret); |
| goto exit; |
| } |
| mbedtls_printf(" ok\n"); |
| |
| /* |
| * 2. Write the GET request and close the connection |
| */ |
| mbedtls_printf(" > Write to server:"); |
| if (mbedtls_ssl_write(&ssl, (const unsigned char *)GET_REQUEST, |
| sizeof(GET_REQUEST) - 1) <= 0) { |
| ret = ssl_write_failed; |
| mbedtls_printf |
| (" failed\n ! mbedtls_ssl_write returned -0x%x\n\n", -ret); |
| goto exit; |
| } |
| mbedtls_printf(" ok\n"); |
| |
| mbedtls_printf(" . Closing the connection..."); |
| mbedtls_ssl_close_notify(&ssl); |
| mbedtls_printf(" done\n"); |
| exit: |
| |
| mbedtls_ssl_free(&ssl); |
| mbedtls_ssl_config_free(&conf); |
| mbedtls_ctr_drbg_free(&ctr_drbg); |
| mbedtls_entropy_free(&entropy); |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| mbedtls_x509_crt_free(&ca); |
| #endif |
| |
| } |
| |
| #define STACK_SIZE 8192 |
| K_THREAD_STACK_DEFINE(stack, STACK_SIZE); |
| static struct k_thread tls_thread; |
| |
| void main(void) |
| { |
| k_thread_create(&tls_thread, stack, STACK_SIZE, |
| (k_thread_entry_t) tls_client, |
| NULL, NULL, NULL, K_PRIO_COOP(7), 0, 0); |
| } |