/* * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <openssl/opensslv.h> /* The test is only currently implemented for DSO_DLFCN and DSO_WIN32 */ #if defined(DSO_DLFCN) || defined(DSO_WIN32) #define SSL_CTX_NEW "SSL_CTX_new" #define SSL_CTX_FREE "SSL_CTX_free" #define TLS_METHOD "TLS_method" #define ERR_GET_ERROR "ERR_get_error" #define OPENSSL_VERSION_NUM_FUNC "OpenSSL_version_num" typedef struct ssl_ctx_st SSL_CTX; typedef struct ssl_method_st SSL_METHOD; typedef const SSL_METHOD * (*TLS_method_t)(void); typedef SSL_CTX * (*SSL_CTX_new_t)(const SSL_METHOD *meth); typedef void (*SSL_CTX_free_t)(SSL_CTX *); typedef unsigned long (*ERR_get_error_t)(void); typedef unsigned long (*OpenSSL_version_num_t)(void); static TLS_method_t TLS_method; static SSL_CTX_new_t SSL_CTX_new; static SSL_CTX_free_t SSL_CTX_free; static ERR_get_error_t ERR_get_error; static OpenSSL_version_num_t OpenSSL_version_num; #ifdef DSO_DLFCN # include <dlfcn.h> typedef void * SHLIB; typedef void * SHLIB_SYM; # define SHLIB_INIT NULL static int shlib_load(const char *filename, SHLIB *lib) { *lib = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY); if (*lib == NULL) return 0; return 1; } static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym) { *sym = dlsym(lib, symname); return *sym != NULL; } static int shlib_close(SHLIB lib) { if (dlclose(lib) != 0) return 0; return 1; } #elif defined(DSO_WIN32) # include <windows.h> typedef HINSTANCE SHLIB; typedef void * SHLIB_SYM; # define SHLIB_INIT 0 static int shlib_load(const char *filename, SHLIB *lib) { *lib = LoadLibraryA(filename); if (*lib == NULL) return 0; return 1; } static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym) { *sym = (SHLIB_SYM)GetProcAddress(lib, symname); return *sym != NULL; } static int shlib_close(SHLIB lib) { if (FreeLibrary(lib) == 0) return 0; return 1; } #endif # define CRYPTO_FIRST_OPT "-crypto_first" # define SSL_FIRST_OPT "-ssl_first" # define JUST_CRYPTO_OPT "-just_crypto" enum test_types_en { CRYPTO_FIRST, SSL_FIRST, JUST_CRYPTO }; int main(int argc, char **argv) { SHLIB ssllib = SHLIB_INIT, cryptolib = SHLIB_INIT; SSL_CTX *ctx; union { void (*func) (void); SHLIB_SYM sym; } tls_method_sym, ssl_ctx_new_sym, ssl_ctx_free_sym, err_get_error_sym, openssl_version_num_sym; enum test_types_en test_type; int i; if (argc != 4) { printf("Unexpected number of arguments\n"); return 1; } if (strcmp(argv[1], CRYPTO_FIRST_OPT) == 0) { test_type = CRYPTO_FIRST; } else if (strcmp(argv[1], SSL_FIRST_OPT) == 0) { test_type = SSL_FIRST; } else if (strcmp(argv[1], JUST_CRYPTO_OPT) == 0) { test_type = JUST_CRYPTO; } else { printf("Unrecognised argument\n"); return 1; } for (i = 0; i < 2; i++) { if ((i == 0 && (test_type == CRYPTO_FIRST || test_type == JUST_CRYPTO)) || (i == 1 && test_type == SSL_FIRST)) { if (!shlib_load(argv[2], &cryptolib)) { printf("Unable to load libcrypto\n"); return 1; } } if ((i == 0 && test_type == SSL_FIRST) || (i == 1 && test_type == CRYPTO_FIRST)) { if (!shlib_load(argv[3], &ssllib)) { printf("Unable to load libssl\n"); return 1; } } } if (test_type != JUST_CRYPTO) { if (!shlib_sym(ssllib, TLS_METHOD, &tls_method_sym.sym) || !shlib_sym(ssllib, SSL_CTX_NEW, &ssl_ctx_new_sym.sym) || !shlib_sym(ssllib, SSL_CTX_FREE, &ssl_ctx_free_sym.sym)) { printf("Unable to load ssl symbols\n"); return 1; } TLS_method = (TLS_method_t)tls_method_sym.func; SSL_CTX_new = (SSL_CTX_new_t)ssl_ctx_new_sym.func; SSL_CTX_free = (SSL_CTX_free_t)ssl_ctx_free_sym.func; ctx = SSL_CTX_new(TLS_method()); if (ctx == NULL) { printf("Unable to create SSL_CTX\n"); return 1; } SSL_CTX_free(ctx); } if (!shlib_sym(cryptolib, ERR_GET_ERROR, &err_get_error_sym.sym) || !shlib_sym(cryptolib, OPENSSL_VERSION_NUM_FUNC, &openssl_version_num_sym.sym)) { printf("Unable to load crypto symbols\n"); return 1; } ERR_get_error = (ERR_get_error_t)err_get_error_sym.func; OpenSSL_version_num = (OpenSSL_version_num_t)openssl_version_num_sym.func; if (ERR_get_error() != 0) { printf("Unexpected error in error queue\n"); return 1; } if (OpenSSL_version_num() != OPENSSL_VERSION_NUMBER) { printf("Unexpected library version loaded\n"); return 1; } for (i = 0; i < 2; i++) { if ((i == 0 && test_type == CRYPTO_FIRST) || (i == 1 && test_type == SSL_FIRST)) { if (!shlib_close(ssllib)) { printf("Unable to close libssl\n"); return 1; } } if ((i == 0 && (test_type == SSL_FIRST || test_type == JUST_CRYPTO)) || (i == 1 && test_type == CRYPTO_FIRST)) { if (!shlib_close(cryptolib)) { printf("Unable to close libcrypto\n"); return 1; } } } printf("Success\n"); return 0; } #else int main(void) { printf("Test not implemented on this platform\n"); return 0; } #endif