113 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			113 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/*
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								 *  Test dynamic loading of libmbed*
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								 *
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								 *  Copyright The Mbed TLS Contributors
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								 *  SPDX-License-Identifier: Apache-2.0
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								 *
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								 *  Licensed under the Apache License, Version 2.0 (the "License"); you may
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								 *  not use this file except in compliance with the License.
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								 *  You may obtain a copy of the License at
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								 *
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								 *  http://www.apache.org/licenses/LICENSE-2.0
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								 *
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								 *  Unless required by applicable law or agreed to in writing, software
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								 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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								 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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								 *  See the License for the specific language governing permissions and
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								 *  limitations under the License.
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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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								#if !defined(MBEDTLS_PLATFORM_C)
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								#include <stdio.h>
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								#include <stdlib.h>
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								#define mbedtls_fprintf    fprintf
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								#define mbedtls_printf     printf
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								#define mbedtls_exit       exit
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								#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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								#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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								#endif
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								#if defined(MBEDTLS_X509_CRT_PARSE_C)
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								#include "mbedtls/x509_crt.h"
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								#endif
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								#if defined(__APPLE__)
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								#define SO_SUFFIX ".dylib"
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								#else
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								#define SO_SUFFIX ".so"
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								#endif
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								#define CRYPTO_SO_FILENAME "libmbedcrypto" SO_SUFFIX
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								#define X509_SO_FILENAME "libmbedx509" SO_SUFFIX
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								#define TLS_SO_FILENAME "libmbedtls" SO_SUFFIX
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								#include <dlfcn.h>
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								#define CHECK_DLERROR( function, argument )                             \
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								    do                                                                  \
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								    {                                                                   \
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								        char *CHECK_DLERROR_error = dlerror ( );                        \
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								        if( CHECK_DLERROR_error != NULL )                               \
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								        {                                                               \
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								            fprintf( stderr, "Dynamic loading error for %s(%s): %s\n",  \
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								                     function, argument, CHECK_DLERROR_error );         \
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								            mbedtls_exit( MBEDTLS_EXIT_FAILURE );                       \
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								        }                                                               \
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								    }                                                                   \
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								    while( 0 )
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								int main( void )
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								{
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								#if defined(MBEDTLS_MD_C) || defined(MBEDTLS_SSL_TLS_C)
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								    unsigned n;
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								#endif
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								#if defined(MBEDTLS_SSL_TLS_C)
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								    void *tls_so = dlopen( TLS_SO_FILENAME, RTLD_NOW );
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								    CHECK_DLERROR( "dlopen", TLS_SO_FILENAME );
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								    const int *( *ssl_list_ciphersuites )( void ) =
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								        dlsym( tls_so, "mbedtls_ssl_list_ciphersuites" );
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								    CHECK_DLERROR( "dlsym", "mbedtls_ssl_list_ciphersuites" );
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								    const int *ciphersuites = ssl_list_ciphersuites( );
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								    for( n = 0; ciphersuites[n] != 0; n++ )
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								        /* nothing to do, we're just counting */;
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								    mbedtls_printf( "dlopen(%s): %u ciphersuites\n",
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								                    TLS_SO_FILENAME, n );
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								    dlclose( tls_so );
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								    CHECK_DLERROR( "dlclose", TLS_SO_FILENAME );
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								#endif  /* MBEDTLS_SSL_TLS_C */
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								#if defined(MBEDTLS_X509_CRT_PARSE_C)
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								    void *x509_so = dlopen( X509_SO_FILENAME, RTLD_NOW );
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								    CHECK_DLERROR( "dlopen", X509_SO_FILENAME );
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								    const mbedtls_x509_crt_profile *profile =
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								        dlsym( x509_so, "mbedtls_x509_crt_profile_default" );
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								    CHECK_DLERROR( "dlsym", "mbedtls_x509_crt_profile_default" );
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								    mbedtls_printf( "dlopen(%s): Allowed md mask: %08x\n",
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								                    X509_SO_FILENAME, (unsigned) profile->allowed_mds );
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								    dlclose( x509_so );
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								    CHECK_DLERROR( "dlclose", X509_SO_FILENAME );
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								#endif  /* MBEDTLS_X509_CRT_PARSE_C */
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								#if defined(MBEDTLS_MD_C)
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								    void *crypto_so = dlopen( CRYPTO_SO_FILENAME, RTLD_NOW );
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								    CHECK_DLERROR( "dlopen", CRYPTO_SO_FILENAME );
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								    const int *( *md_list )( void ) =
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								        dlsym( crypto_so, "mbedtls_md_list" );
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								    CHECK_DLERROR( "dlsym", "mbedtls_md_list" );
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								    const int *mds = md_list( );
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								    for( n = 0; mds[n] != 0; n++ )
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								        /* nothing to do, we're just counting */;
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								    mbedtls_printf( "dlopen(%s): %u hashes\n",
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								                    CRYPTO_SO_FILENAME, n );
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								    dlclose( crypto_so );
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								    CHECK_DLERROR( "dlclose", CRYPTO_SO_FILENAME );
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								#endif  /* MBEDTLS_MD_C */
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								    return( 0 );
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								}
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