mirror of
https://github.com/openssl/openssl.git
synced 2024-12-15 06:01:37 +08:00
65bf029d49
Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14596)
293 lines
8.9 KiB
C
293 lines
8.9 KiB
C
/*
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* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <openssl/opensslv.h>
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#include <openssl/ssl.h>
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#include <openssl/types.h>
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#include "simpledynamic.h"
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typedef void DSO;
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typedef const SSL_METHOD * (*TLS_method_t)(void);
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typedef SSL_CTX * (*SSL_CTX_new_t)(const SSL_METHOD *meth);
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typedef void (*SSL_CTX_free_t)(SSL_CTX *);
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typedef int (*OPENSSL_init_crypto_t)(uint64_t, void *);
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typedef int (*OPENSSL_atexit_t)(void (*handler)(void));
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typedef unsigned long (*ERR_get_error_t)(void);
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typedef unsigned long (*OPENSSL_version_major_t)(void);
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typedef unsigned long (*OPENSSL_version_minor_t)(void);
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typedef unsigned long (*OPENSSL_version_patch_t)(void);
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typedef DSO * (*DSO_dsobyaddr_t)(void (*addr)(void), int flags);
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typedef int (*DSO_free_t)(DSO *dso);
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typedef enum test_types_en {
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CRYPTO_FIRST,
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SSL_FIRST,
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JUST_CRYPTO,
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DSO_REFTEST,
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NO_ATEXIT
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} TEST_TYPE;
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static TEST_TYPE test_type;
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static const char *path_crypto;
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static const char *path_ssl;
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static const char *path_atexit;
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#ifdef SD_INIT
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static int atexit_handler_done = 0;
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static void atexit_handler(void)
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{
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FILE *atexit_file = fopen(path_atexit, "w");
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if (atexit_file == NULL)
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return;
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fprintf(atexit_file, "atexit() run\n");
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fclose(atexit_file);
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atexit_handler_done++;
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}
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static int test_lib(void)
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{
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SD ssllib = SD_INIT;
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SD cryptolib = SD_INIT;
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SSL_CTX *ctx;
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union {
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void (*func)(void);
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SD_SYM sym;
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} symbols[5];
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TLS_method_t myTLS_method;
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SSL_CTX_new_t mySSL_CTX_new;
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SSL_CTX_free_t mySSL_CTX_free;
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ERR_get_error_t myERR_get_error;
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OPENSSL_version_major_t myOPENSSL_version_major;
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OPENSSL_version_minor_t myOPENSSL_version_minor;
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OPENSSL_version_patch_t myOPENSSL_version_patch;
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OPENSSL_atexit_t myOPENSSL_atexit;
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int result = 0;
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switch (test_type) {
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case JUST_CRYPTO:
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case DSO_REFTEST:
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case NO_ATEXIT:
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case CRYPTO_FIRST:
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if (!sd_load(path_crypto, &cryptolib, SD_SHLIB)) {
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fprintf(stderr, "Failed to load libcrypto\n");
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goto end;
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}
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if (test_type != CRYPTO_FIRST)
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break;
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/* Fall through */
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case SSL_FIRST:
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if (!sd_load(path_ssl, &ssllib, SD_SHLIB)) {
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fprintf(stderr, "Failed to load libssl\n");
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goto end;
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}
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if (test_type != SSL_FIRST)
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break;
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if (!sd_load(path_crypto, &cryptolib, SD_SHLIB)) {
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fprintf(stderr, "Failed to load libcrypto\n");
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goto end;
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}
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break;
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}
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if (test_type == NO_ATEXIT) {
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OPENSSL_init_crypto_t myOPENSSL_init_crypto;
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if (!sd_sym(cryptolib, "OPENSSL_init_crypto", &symbols[0].sym)) {
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fprintf(stderr, "Failed to load OPENSSL_init_crypto symbol\n");
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goto end;
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}
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myOPENSSL_init_crypto = (OPENSSL_init_crypto_t)symbols[0].func;
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if (!myOPENSSL_init_crypto(OPENSSL_INIT_NO_ATEXIT, NULL)) {
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fprintf(stderr, "Failed to initialise libcrypto\n");
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goto end;
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}
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}
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if (test_type != JUST_CRYPTO
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&& test_type != DSO_REFTEST
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&& test_type != NO_ATEXIT) {
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if (!sd_sym(ssllib, "TLS_method", &symbols[0].sym)
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|| !sd_sym(ssllib, "SSL_CTX_new", &symbols[1].sym)
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|| !sd_sym(ssllib, "SSL_CTX_free", &symbols[2].sym)) {
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fprintf(stderr, "Failed to load libssl symbols\n");
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goto end;
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}
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myTLS_method = (TLS_method_t)symbols[0].func;
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mySSL_CTX_new = (SSL_CTX_new_t)symbols[1].func;
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mySSL_CTX_free = (SSL_CTX_free_t)symbols[2].func;
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ctx = mySSL_CTX_new(myTLS_method());
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if (ctx == NULL) {
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fprintf(stderr, "Failed to create SSL_CTX\n");
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goto end;
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}
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mySSL_CTX_free(ctx);
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}
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if (!sd_sym(cryptolib, "ERR_get_error", &symbols[0].sym)
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|| !sd_sym(cryptolib, "OPENSSL_version_major", &symbols[1].sym)
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|| !sd_sym(cryptolib, "OPENSSL_version_minor", &symbols[2].sym)
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|| !sd_sym(cryptolib, "OPENSSL_version_patch", &symbols[3].sym)
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|| !sd_sym(cryptolib, "OPENSSL_atexit", &symbols[4].sym)) {
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fprintf(stderr, "Failed to load libcrypto symbols\n");
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goto end;
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}
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myERR_get_error = (ERR_get_error_t)symbols[0].func;
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if (myERR_get_error() != 0) {
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fprintf(stderr, "Unexpected ERR_get_error() response\n");
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goto end;
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}
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/* Library and header version should be identical in this test */
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myOPENSSL_version_major = (OPENSSL_version_major_t)symbols[1].func;
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myOPENSSL_version_minor = (OPENSSL_version_minor_t)symbols[2].func;
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myOPENSSL_version_patch = (OPENSSL_version_patch_t)symbols[3].func;
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if (myOPENSSL_version_major() != OPENSSL_VERSION_MAJOR
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|| myOPENSSL_version_minor() != OPENSSL_VERSION_MINOR
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|| myOPENSSL_version_patch() != OPENSSL_VERSION_PATCH) {
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fprintf(stderr, "Invalid library version number\n");
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goto end;
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}
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myOPENSSL_atexit = (OPENSSL_atexit_t)symbols[4].func;
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if (!myOPENSSL_atexit(atexit_handler)) {
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fprintf(stderr, "Failed to register atexit handler\n");
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goto end;
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}
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if (test_type == DSO_REFTEST) {
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# ifdef DSO_DLFCN
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DSO_dsobyaddr_t myDSO_dsobyaddr;
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DSO_free_t myDSO_free;
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/*
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* This is resembling the code used in ossl_init_base() and
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* OPENSSL_atexit() to block unloading the library after dlclose().
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* We are not testing this on Windows, because it is done there in a
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* completely different way. Especially as a call to DSO_dsobyaddr()
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* will always return an error, because DSO_pathbyaddr() is not
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* implemented there.
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*/
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if (!sd_sym(cryptolib, "DSO_dsobyaddr", &symbols[0].sym)
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|| !sd_sym(cryptolib, "DSO_free", &symbols[1].sym)) {
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fprintf(stderr, "Unable to load DSO symbols\n");
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goto end;
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}
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myDSO_dsobyaddr = (DSO_dsobyaddr_t)symbols[0].func;
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myDSO_free = (DSO_free_t)symbols[1].func;
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{
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DSO *hndl;
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/* use known symbol from crypto module */
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hndl = myDSO_dsobyaddr((void (*)(void))myERR_get_error, 0);
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if (hndl == NULL) {
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fprintf(stderr, "DSO_dsobyaddr() failed\n");
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goto end;
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}
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myDSO_free(hndl);
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}
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# endif /* DSO_DLFCN */
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}
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if (!sd_close(cryptolib)) {
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fprintf(stderr, "Failed to close libcrypto\n");
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goto end;
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}
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cryptolib = SD_INIT;
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if (test_type == CRYPTO_FIRST || test_type == SSL_FIRST) {
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if (!sd_close(ssllib)) {
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fprintf(stderr, "Failed to close libssl\n");
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goto end;
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}
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ssllib = SD_INIT;
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}
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# if defined(OPENSSL_NO_PINSHARED) \
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&& defined(__GLIBC__) \
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&& defined(__GLIBC_PREREQ) \
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&& defined(OPENSSL_SYS_LINUX)
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# if __GLIBC_PREREQ(2, 3)
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/*
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* If we didn't pin the so then we are hopefully on a platform that supports
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* running atexit() on so unload. If not we might crash. We know this is
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* true on linux since glibc 2.2.3
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*/
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if (test_type != NO_ATEXIT && atexit_handler_done != 1) {
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fprintf(stderr, "atexit() handler did not run\n");
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goto end;
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}
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# endif
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# endif
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result = 1;
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end:
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if (cryptolib != SD_INIT)
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sd_close(cryptolib);
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if (ssllib != SD_INIT)
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sd_close(ssllib);
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return result;
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}
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#endif
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/*
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* shlibloadtest should not use the normal test framework because we don't want
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* it to link against libcrypto (which the framework uses). The point of the
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* test is to check dynamic loading and unloading of libcrypto/libssl.
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*/
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int main(int argc, char *argv[])
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{
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const char *p;
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if (argc != 5) {
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fprintf(stderr, "Incorrect number of arguments\n");
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return 1;
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}
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p = argv[1];
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if (strcmp(p, "-crypto_first") == 0) {
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test_type = CRYPTO_FIRST;
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} else if (strcmp(p, "-ssl_first") == 0) {
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test_type = SSL_FIRST;
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} else if (strcmp(p, "-just_crypto") == 0) {
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test_type = JUST_CRYPTO;
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} else if (strcmp(p, "-dso_ref") == 0) {
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test_type = DSO_REFTEST;
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} else if (strcmp(p, "-no_atexit") == 0) {
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test_type = NO_ATEXIT;
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} else {
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fprintf(stderr, "Unrecognised argument\n");
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return 1;
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}
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path_crypto = argv[2];
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path_ssl = argv[3];
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path_atexit = argv[4];
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if (path_crypto == NULL || path_ssl == NULL) {
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fprintf(stderr, "Invalid libcrypto/libssl path\n");
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return 1;
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}
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#ifdef SD_INIT
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if (!test_lib())
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return 1;
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#endif
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return 0;
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}
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