| /* |
| * Test dynamic loading of libmbed* |
| * |
| * 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. |
| */ |
| |
| #include "mbedtls/build_info.h" |
| |
| #include "mbedtls/platform.h" |
| #if !defined(MBEDTLS_PLATFORM_C) |
| #include <stdio.h> |
| #include <stdlib.h> |
| #define mbedtls_fprintf fprintf |
| #define mbedtls_printf printf |
| #define mbedtls_exit exit |
| #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS |
| #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE |
| #endif |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| #include "mbedtls/x509_crt.h" |
| #endif |
| |
| #if defined(__APPLE__) |
| #define SO_SUFFIX ".dylib" |
| #else |
| #define SO_SUFFIX ".so" |
| #endif |
| |
| #define CRYPTO_SO_FILENAME "libmbedcrypto" SO_SUFFIX |
| #define X509_SO_FILENAME "libmbedx509" SO_SUFFIX |
| #define TLS_SO_FILENAME "libmbedtls" SO_SUFFIX |
| |
| #include <dlfcn.h> |
| |
| #define CHECK_DLERROR( function, argument ) \ |
| do \ |
| { \ |
| char *CHECK_DLERROR_error = dlerror ( ); \ |
| if( CHECK_DLERROR_error != NULL ) \ |
| { \ |
| fprintf( stderr, "Dynamic loading error for %s(%s): %s\n", \ |
| function, argument, CHECK_DLERROR_error ); \ |
| mbedtls_exit( MBEDTLS_EXIT_FAILURE ); \ |
| } \ |
| } \ |
| while( 0 ) |
| |
| int main( void ) |
| { |
| #if defined(MBEDTLS_MD_C) || defined(MBEDTLS_SSL_TLS_C) |
| unsigned n; |
| #endif |
| |
| #if defined(MBEDTLS_SSL_TLS_C) |
| void *tls_so = dlopen( TLS_SO_FILENAME, RTLD_NOW ); |
| CHECK_DLERROR( "dlopen", TLS_SO_FILENAME ); |
| const int *( *ssl_list_ciphersuites )( void ) = |
| dlsym( tls_so, "mbedtls_ssl_list_ciphersuites" ); |
| CHECK_DLERROR( "dlsym", "mbedtls_ssl_list_ciphersuites" ); |
| const int *ciphersuites = ssl_list_ciphersuites( ); |
| for( n = 0; ciphersuites[n] != 0; n++ ) |
| /* nothing to do, we're just counting */; |
| mbedtls_printf( "dlopen(%s): %u ciphersuites\n", |
| TLS_SO_FILENAME, n ); |
| dlclose( tls_so ); |
| CHECK_DLERROR( "dlclose", TLS_SO_FILENAME ); |
| #endif /* MBEDTLS_SSL_TLS_C */ |
| |
| #if defined(MBEDTLS_X509_CRT_PARSE_C) |
| void *x509_so = dlopen( X509_SO_FILENAME, RTLD_NOW ); |
| CHECK_DLERROR( "dlopen", X509_SO_FILENAME ); |
| const mbedtls_x509_crt_profile *profile = |
| dlsym( x509_so, "mbedtls_x509_crt_profile_default" ); |
| CHECK_DLERROR( "dlsym", "mbedtls_x509_crt_profile_default" ); |
| mbedtls_printf( "dlopen(%s): Allowed md mask: %08x\n", |
| X509_SO_FILENAME, (unsigned) profile->allowed_mds ); |
| dlclose( x509_so ); |
| CHECK_DLERROR( "dlclose", X509_SO_FILENAME ); |
| #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
| |
| #if defined(MBEDTLS_MD_C) |
| void *crypto_so = dlopen( CRYPTO_SO_FILENAME, RTLD_NOW ); |
| CHECK_DLERROR( "dlopen", CRYPTO_SO_FILENAME ); |
| const int *( *md_list )( void ) = |
| dlsym( crypto_so, "mbedtls_md_list" ); |
| CHECK_DLERROR( "dlsym", "mbedtls_md_list" ); |
| const int *mds = md_list( ); |
| for( n = 0; mds[n] != 0; n++ ) |
| /* nothing to do, we're just counting */; |
| mbedtls_printf( "dlopen(%s): %u hashes\n", |
| CRYPTO_SO_FILENAME, n ); |
| dlclose( crypto_so ); |
| CHECK_DLERROR( "dlclose", CRYPTO_SO_FILENAME ); |
| #endif /* MBEDTLS_MD_C */ |
| |
| return( 0 ); |
| } |
| |