113 lines
4 KiB
C
113 lines
4 KiB
C
/*
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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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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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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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