diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/ssl/dtls_server.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/programs/ssl/dtls_server.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c b/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c deleted file mode 100644 index 5f71ec9..0000000 --- a/lib/mbedtls-2.27.0/programs/ssl/dtls_server.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * Simple DTLS server demonstration program - * - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif - -#if defined(MBEDTLS_PLATFORM_C) -#include "mbedtls/platform.h" -#else -#include <stdio.h> -#include <stdlib.h> -#define mbedtls_printf printf -#define mbedtls_fprintf fprintf -#define mbedtls_time_t time_t -#define mbedtls_exit exit -#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS -#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE -#endif - -/* Uncomment out the following line to default to IPv4 and disable IPv6 */ -//#define FORCE_IPV4 - -#ifdef FORCE_IPV4 -#define BIND_IP "0.0.0.0" /* Forces IPv4 */ -#else -#define BIND_IP "::" -#endif - -#if !defined(MBEDTLS_SSL_SRV_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \ - !defined(MBEDTLS_SSL_COOKIE_C) || !defined(MBEDTLS_NET_C) || \ - !defined(MBEDTLS_ENTROPY_C) || !defined(MBEDTLS_CTR_DRBG_C) || \ - !defined(MBEDTLS_X509_CRT_PARSE_C) || !defined(MBEDTLS_RSA_C) || \ - !defined(MBEDTLS_CERTS_C) || !defined(MBEDTLS_PEM_PARSE_C) || \ - !defined(MBEDTLS_TIMING_C) - -int main( void ) -{ - printf( "MBEDTLS_SSL_SRV_C and/or MBEDTLS_SSL_PROTO_DTLS and/or " - "MBEDTLS_SSL_COOKIE_C and/or MBEDTLS_NET_C and/or " - "MBEDTLS_ENTROPY_C and/or MBEDTLS_CTR_DRBG_C and/or " - "MBEDTLS_X509_CRT_PARSE_C and/or MBEDTLS_RSA_C and/or " - "MBEDTLS_CERTS_C and/or MBEDTLS_PEM_PARSE_C and/or " - "MBEDTLS_TIMING_C not defined.\n" ); - mbedtls_exit( 0 ); -} -#else - -#if defined(_WIN32) -#include <windows.h> -#endif - -#include <string.h> -#include <stdlib.h> -#include <stdio.h> - -#include "mbedtls/entropy.h" -#include "mbedtls/ctr_drbg.h" -#include "mbedtls/certs.h" -#include "mbedtls/x509.h" -#include "mbedtls/ssl.h" -#include "mbedtls/ssl_cookie.h" -#include "mbedtls/net_sockets.h" -#include "mbedtls/error.h" -#include "mbedtls/debug.h" -#include "mbedtls/timing.h" - -#if defined(MBEDTLS_SSL_CACHE_C) -#include "mbedtls/ssl_cache.h" -#endif - -#define READ_TIMEOUT_MS 10000 /* 10 seconds */ -#define DEBUG_LEVEL 0 - - -static void my_debug( void *ctx, int level, - const char *file, int line, - const char *str ) -{ - ((void) level); - - mbedtls_fprintf( (FILE *) ctx, "%s:%04d: %s", file, line, str ); - fflush( (FILE *) ctx ); -} - -int main( void ) -{ - int ret, len; - mbedtls_net_context listen_fd, client_fd; - unsigned char buf[1024]; - const char *pers = "dtls_server"; - unsigned char client_ip[16] = { 0 }; - size_t cliip_len; - mbedtls_ssl_cookie_ctx cookie_ctx; - - mbedtls_entropy_context entropy; - mbedtls_ctr_drbg_context ctr_drbg; - mbedtls_ssl_context ssl; - mbedtls_ssl_config conf; - mbedtls_x509_crt srvcert; - mbedtls_pk_context pkey; - mbedtls_timing_delay_context timer; -#if defined(MBEDTLS_SSL_CACHE_C) - mbedtls_ssl_cache_context cache; -#endif - - mbedtls_net_init( &listen_fd ); - mbedtls_net_init( &client_fd ); - mbedtls_ssl_init( &ssl ); - mbedtls_ssl_config_init( &conf ); - mbedtls_ssl_cookie_init( &cookie_ctx ); -#if defined(MBEDTLS_SSL_CACHE_C) - mbedtls_ssl_cache_init( &cache ); -#endif - mbedtls_x509_crt_init( &srvcert ); - mbedtls_pk_init( &pkey ); - mbedtls_entropy_init( &entropy ); - mbedtls_ctr_drbg_init( &ctr_drbg ); - -#if defined(MBEDTLS_DEBUG_C) - mbedtls_debug_set_threshold( DEBUG_LEVEL ); -#endif - - /* - * 1. Load the certificates and private RSA key - */ - printf( "\n . Loading the server cert. and key..." ); - fflush( stdout ); - - /* - * This demonstration program uses embedded test certificates. - * Instead, you may want to use mbedtls_x509_crt_parse_file() to read the - * server and CA certificates, as well as mbedtls_pk_parse_keyfile(). - */ - ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_srv_crt, - mbedtls_test_srv_crt_len ); - if( ret != 0 ) - { - printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret ); - goto exit; - } - - ret = mbedtls_x509_crt_parse( &srvcert, (const unsigned char *) mbedtls_test_cas_pem, - mbedtls_test_cas_pem_len ); - if( ret != 0 ) - { - printf( " failed\n ! mbedtls_x509_crt_parse returned %d\n\n", ret ); - goto exit; - } - - ret = mbedtls_pk_parse_key( &pkey, (const unsigned char *) mbedtls_test_srv_key, - mbedtls_test_srv_key_len, NULL, 0 ); - if( ret != 0 ) - { - printf( " failed\n ! mbedtls_pk_parse_key returned %d\n\n", ret ); - goto exit; - } - - printf( " ok\n" ); - - /* - * 2. Setup the "listening" UDP socket - */ - printf( " . Bind on udp/*/4433 ..." ); - fflush( stdout ); - - if( ( ret = mbedtls_net_bind( &listen_fd, BIND_IP, "4433", MBEDTLS_NET_PROTO_UDP ) ) != 0 ) - { - printf( " failed\n ! mbedtls_net_bind returned %d\n\n", ret ); - goto exit; - } - - printf( " ok\n" ); - - /* - * 3. Seed the RNG - */ - printf( " . Seeding the random number generator..." ); - fflush( stdout ); - - if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy, - (const unsigned char *) pers, - strlen( pers ) ) ) != 0 ) - { - printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret ); - goto exit; - } - - printf( " ok\n" ); - - /* - * 4. Setup stuff - */ - printf( " . Setting up the DTLS data..." ); - fflush( stdout ); - - if( ( ret = mbedtls_ssl_config_defaults( &conf, - MBEDTLS_SSL_IS_SERVER, - MBEDTLS_SSL_TRANSPORT_DATAGRAM, - MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 ) - { - mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret ); - goto exit; - } - - mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg ); - mbedtls_ssl_conf_dbg( &conf, my_debug, stdout ); - mbedtls_ssl_conf_read_timeout( &conf, READ_TIMEOUT_MS ); - -#if defined(MBEDTLS_SSL_CACHE_C) - mbedtls_ssl_conf_session_cache( &conf, &cache, - mbedtls_ssl_cache_get, - mbedtls_ssl_cache_set ); -#endif - - mbedtls_ssl_conf_ca_chain( &conf, srvcert.next, NULL ); - if( ( ret = mbedtls_ssl_conf_own_cert( &conf, &srvcert, &pkey ) ) != 0 ) - { - printf( " failed\n ! mbedtls_ssl_conf_own_cert returned %d\n\n", ret ); - goto exit; - } - - if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx, - mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 ) - { - printf( " failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret ); - goto exit; - } - - mbedtls_ssl_conf_dtls_cookies( &conf, mbedtls_ssl_cookie_write, mbedtls_ssl_cookie_check, - &cookie_ctx ); - - if( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 ) - { - printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret ); - goto exit; - } - - mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay, - mbedtls_timing_get_delay ); - - printf( " ok\n" ); - -reset: -#ifdef MBEDTLS_ERROR_C - if( ret != 0 ) - { - char error_buf[100]; - mbedtls_strerror( ret, error_buf, 100 ); - printf("Last error was: %d - %s\n\n", ret, error_buf ); - } -#endif - - mbedtls_net_free( &client_fd ); - - mbedtls_ssl_session_reset( &ssl ); - - /* - * 3. Wait until a client connects - */ - printf( " . Waiting for a remote connection ..." ); - fflush( stdout ); - - if( ( ret = mbedtls_net_accept( &listen_fd, &client_fd, - client_ip, sizeof( client_ip ), &cliip_len ) ) != 0 ) - { - printf( " failed\n ! mbedtls_net_accept returned %d\n\n", ret ); - goto exit; - } - - /* For HelloVerifyRequest cookies */ - if( ( ret = mbedtls_ssl_set_client_transport_id( &ssl, - client_ip, cliip_len ) ) != 0 ) - { - printf( " failed\n ! " - "mbedtls_ssl_set_client_transport_id() returned -0x%x\n\n", (unsigned int) -ret ); - goto exit; - } - - mbedtls_ssl_set_bio( &ssl, &client_fd, - mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout ); - - printf( " ok\n" ); - - /* - * 5. Handshake - */ - printf( " . Performing the DTLS handshake..." ); - fflush( stdout ); - - do ret = mbedtls_ssl_handshake( &ssl ); - while( ret == MBEDTLS_ERR_SSL_WANT_READ || - ret == MBEDTLS_ERR_SSL_WANT_WRITE ); - - if( ret == MBEDTLS_ERR_SSL_HELLO_VERIFY_REQUIRED ) - { - printf( " hello verification requested\n" ); - ret = 0; - goto reset; - } - else if( ret != 0 ) - { - printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret ); - goto reset; - } - - printf( " ok\n" ); - - /* - * 6. Read the echo Request - */ - printf( " < Read from client:" ); - fflush( stdout ); - - len = sizeof( buf ) - 1; - memset( buf, 0, sizeof( buf ) ); - - do ret = mbedtls_ssl_read( &ssl, buf, len ); - while( ret == MBEDTLS_ERR_SSL_WANT_READ || - ret == MBEDTLS_ERR_SSL_WANT_WRITE ); - - if( ret <= 0 ) - { - switch( ret ) - { - case MBEDTLS_ERR_SSL_TIMEOUT: - printf( " timeout\n\n" ); - goto reset; - - case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY: - printf( " connection was closed gracefully\n" ); - ret = 0; - goto close_notify; - - default: - printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret ); - goto reset; - } - } - - len = ret; - printf( " %d bytes read\n\n%s\n\n", len, buf ); - - /* - * 7. Write the 200 Response - */ - printf( " > Write to client:" ); - fflush( stdout ); - - do ret = mbedtls_ssl_write( &ssl, buf, len ); - while( ret == MBEDTLS_ERR_SSL_WANT_READ || - ret == MBEDTLS_ERR_SSL_WANT_WRITE ); - - if( ret < 0 ) - { - printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret ); - goto exit; - } - - len = ret; - printf( " %d bytes written\n\n%s\n\n", len, buf ); - - /* - * 8. Done, cleanly close the connection - */ -close_notify: - printf( " . Closing the connection..." ); - - /* No error checking, the connection might be closed already */ - do ret = mbedtls_ssl_close_notify( &ssl ); - while( ret == MBEDTLS_ERR_SSL_WANT_WRITE ); - ret = 0; - - printf( " done\n" ); - - goto reset; - - /* - * Final clean-ups and exit - */ -exit: - -#ifdef MBEDTLS_ERROR_C - if( ret != 0 ) - { - char error_buf[100]; - mbedtls_strerror( ret, error_buf, 100 ); - printf( "Last error was: %d - %s\n\n", ret, error_buf ); - } -#endif - - mbedtls_net_free( &client_fd ); - mbedtls_net_free( &listen_fd ); - - mbedtls_x509_crt_free( &srvcert ); - mbedtls_pk_free( &pkey ); - mbedtls_ssl_free( &ssl ); - mbedtls_ssl_config_free( &conf ); - mbedtls_ssl_cookie_free( &cookie_ctx ); -#if defined(MBEDTLS_SSL_CACHE_C) - mbedtls_ssl_cache_free( &cache ); -#endif - mbedtls_ctr_drbg_free( &ctr_drbg ); - mbedtls_entropy_free( &entropy ); - -#if defined(_WIN32) - printf( " Press Enter to exit this program.\n" ); - fflush( stdout ); getchar(); -#endif - - /* Shell can not handle large exit numbers -> 1 for errors */ - if( ret < 0 ) - ret = 1; - - mbedtls_exit( ret ); -} -#endif /* MBEDTLS_SSL_SRV_C && MBEDTLS_SSL_PROTO_DTLS && - MBEDTLS_SSL_COOKIE_C && MBEDTLS_NET_C && MBEDTLS_ENTROPY_C && - MBEDTLS_CTR_DRBG_C && MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C - && MBEDTLS_CERTS_C && MBEDTLS_PEM_PARSE_C && MBEDTLS_TIMING_C */ |