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Diffstat (limited to 'lib/mbedtls-2.27.0/programs/ssl/dtls_client.c')
-rw-r--r--lib/mbedtls-2.27.0/programs/ssl/dtls_client.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c b/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c
deleted file mode 100644
index 8c302a0..0000000
--- a/lib/mbedtls-2.27.0/programs/ssl/dtls_client.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
- * Simple DTLS client 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_exit exit
-#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
-#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
-#endif
-
-#if !defined(MBEDTLS_SSL_CLI_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) || \
- !defined(MBEDTLS_NET_C) || !defined(MBEDTLS_TIMING_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)
-int main( void )
-{
- mbedtls_printf( "MBEDTLS_SSL_CLI_C and/or MBEDTLS_SSL_PROTO_DTLS and/or "
- "MBEDTLS_NET_C and/or MBEDTLS_TIMING_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 not defined.\n" );
- mbedtls_exit( 0 );
-}
-#else
-
-#include <string.h>
-
-#include "mbedtls/net_sockets.h"
-#include "mbedtls/debug.h"
-#include "mbedtls/ssl.h"
-#include "mbedtls/entropy.h"
-#include "mbedtls/ctr_drbg.h"
-#include "mbedtls/error.h"
-#include "mbedtls/certs.h"
-#include "mbedtls/timing.h"
-
-/* Uncomment out the following line to default to IPv4 and disable IPv6 */
-//#define FORCE_IPV4
-
-#define SERVER_PORT "4433"
-#define SERVER_NAME "localhost"
-
-#ifdef FORCE_IPV4
-#define SERVER_ADDR "127.0.0.1" /* Forces IPv4 */
-#else
-#define SERVER_ADDR "::1"
-#endif
-
-#define MESSAGE "Echo this"
-
-#define READ_TIMEOUT_MS 1000
-#define MAX_RETRY 5
-
-#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( int argc, char *argv[] )
-{
- int ret, len;
- mbedtls_net_context server_fd;
- uint32_t flags;
- unsigned char buf[1024];
- const char *pers = "dtls_client";
- int retry_left = MAX_RETRY;
-
- mbedtls_entropy_context entropy;
- mbedtls_ctr_drbg_context ctr_drbg;
- mbedtls_ssl_context ssl;
- mbedtls_ssl_config conf;
- mbedtls_x509_crt cacert;
- mbedtls_timing_delay_context timer;
-
- ((void) argc);
- ((void) argv);
-
-#if defined(MBEDTLS_DEBUG_C)
- mbedtls_debug_set_threshold( DEBUG_LEVEL );
-#endif
-
- /*
- * 0. Initialize the RNG and the session data
- */
- mbedtls_net_init( &server_fd );
- mbedtls_ssl_init( &ssl );
- mbedtls_ssl_config_init( &conf );
- mbedtls_x509_crt_init( &cacert );
- mbedtls_ctr_drbg_init( &ctr_drbg );
-
- mbedtls_printf( "\n . Seeding the random number generator..." );
- fflush( stdout );
-
- mbedtls_entropy_init( &entropy );
- if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
- (const unsigned char *) pers,
- strlen( pers ) ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned %d\n", ret );
- goto exit;
- }
-
- mbedtls_printf( " ok\n" );
-
- /*
- * 0. Load certificates
- */
- mbedtls_printf( " . Loading the CA root certificate ..." );
- fflush( stdout );
-
- ret = mbedtls_x509_crt_parse( &cacert, (const unsigned char *) mbedtls_test_cas_pem,
- mbedtls_test_cas_pem_len );
- if( ret < 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_x509_crt_parse returned -0x%x\n\n", (unsigned int) -ret );
- goto exit;
- }
-
- mbedtls_printf( " ok (%d skipped)\n", ret );
-
- /*
- * 1. Start the connection
- */
- mbedtls_printf( " . Connecting to udp/%s/%s...", SERVER_NAME, SERVER_PORT );
- fflush( stdout );
-
- if( ( ret = mbedtls_net_connect( &server_fd, SERVER_ADDR,
- SERVER_PORT, MBEDTLS_NET_PROTO_UDP ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_net_connect returned %d\n\n", ret );
- goto exit;
- }
-
- mbedtls_printf( " ok\n" );
-
- /*
- * 2. Setup stuff
- */
- mbedtls_printf( " . Setting up the DTLS structure..." );
- fflush( stdout );
-
- if( ( ret = mbedtls_ssl_config_defaults( &conf,
- MBEDTLS_SSL_IS_CLIENT,
- MBEDTLS_SSL_TRANSPORT_DATAGRAM,
- MBEDTLS_SSL_PRESET_DEFAULT ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ssl_config_defaults returned %d\n\n", ret );
- goto exit;
- }
-
- /* OPTIONAL is usually a bad choice for security, but makes interop easier
- * in this simplified example, in which the ca chain is hardcoded.
- * Production code should set a proper ca chain and use REQUIRED. */
- mbedtls_ssl_conf_authmode( &conf, MBEDTLS_SSL_VERIFY_OPTIONAL );
- mbedtls_ssl_conf_ca_chain( &conf, &cacert, NULL );
- 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( ( ret = mbedtls_ssl_setup( &ssl, &conf ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ssl_setup returned %d\n\n", ret );
- goto exit;
- }
-
- if( ( ret = mbedtls_ssl_set_hostname( &ssl, SERVER_NAME ) ) != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ssl_set_hostname returned %d\n\n", ret );
- goto exit;
- }
-
- mbedtls_ssl_set_bio( &ssl, &server_fd,
- mbedtls_net_send, mbedtls_net_recv, mbedtls_net_recv_timeout );
-
- mbedtls_ssl_set_timer_cb( &ssl, &timer, mbedtls_timing_set_delay,
- mbedtls_timing_get_delay );
-
- mbedtls_printf( " ok\n" );
-
- /*
- * 4. Handshake
- */
- mbedtls_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 != 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ssl_handshake returned -0x%x\n\n", (unsigned int) -ret );
- goto exit;
- }
-
- mbedtls_printf( " ok\n" );
-
- /*
- * 5. Verify the server certificate
- */
- mbedtls_printf( " . Verifying peer X.509 certificate..." );
-
- /* In real life, we would have used MBEDTLS_SSL_VERIFY_REQUIRED so that the
- * handshake would not succeed if the peer's cert is bad. Even if we used
- * MBEDTLS_SSL_VERIFY_OPTIONAL, we would bail out here if ret != 0 */
- if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
- {
- char vrfy_buf[512];
-
- mbedtls_printf( " failed\n" );
-
- mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), " ! ", flags );
-
- mbedtls_printf( "%s\n", vrfy_buf );
- }
- else
- mbedtls_printf( " ok\n" );
-
- /*
- * 6. Write the echo request
- */
-send_request:
- mbedtls_printf( " > Write to server:" );
- fflush( stdout );
-
- len = sizeof( MESSAGE ) - 1;
-
- do ret = mbedtls_ssl_write( &ssl, (unsigned char *) MESSAGE, len );
- while( ret == MBEDTLS_ERR_SSL_WANT_READ ||
- ret == MBEDTLS_ERR_SSL_WANT_WRITE );
-
- if( ret < 0 )
- {
- mbedtls_printf( " failed\n ! mbedtls_ssl_write returned %d\n\n", ret );
- goto exit;
- }
-
- len = ret;
- mbedtls_printf( " %d bytes written\n\n%s\n\n", len, MESSAGE );
-
- /*
- * 7. Read the echo response
- */
- mbedtls_printf( " < Read from server:" );
- 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:
- mbedtls_printf( " timeout\n\n" );
- if( retry_left-- > 0 )
- goto send_request;
- goto exit;
-
- case MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY:
- mbedtls_printf( " connection was closed gracefully\n" );
- ret = 0;
- goto close_notify;
-
- default:
- mbedtls_printf( " mbedtls_ssl_read returned -0x%x\n\n", (unsigned int) -ret );
- goto exit;
- }
- }
-
- len = ret;
- mbedtls_printf( " %d bytes read\n\n%s\n\n", len, buf );
-
- /*
- * 8. Done, cleanly close the connection
- */
-close_notify:
- mbedtls_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;
-
- mbedtls_printf( " done\n" );
-
- /*
- * 9. Final clean-ups and exit
- */
-exit:
-
-#ifdef MBEDTLS_ERROR_C
- if( ret != 0 )
- {
- char error_buf[100];
- mbedtls_strerror( ret, error_buf, 100 );
- mbedtls_printf( "Last error was: %d - %s\n\n", ret, error_buf );
- }
-#endif
-
- mbedtls_net_free( &server_fd );
-
- mbedtls_x509_crt_free( &cacert );
- mbedtls_ssl_free( &ssl );
- mbedtls_ssl_config_free( &conf );
- mbedtls_ctr_drbg_free( &ctr_drbg );
- mbedtls_entropy_free( &entropy );
-
-#if defined(_WIN32)
- mbedtls_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_CLI_C && MBEDTLS_SSL_PROTO_DTLS && MBEDTLS_NET_C &&
- MBEDTLD_TIMING_C && MBEDTLS_ENTROPY_C && MBEDTLS_CTR_DRBG_C &&
- MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_RSA_C && MBEDTLS_CERTS_C &&
- MBEDTLS_PEM_PARSE_C */
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