X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Finit.c;h=3f9111940785a1a444009e7242752541b1b1735a;hp=8c599894ba6ed884d70706a7d8adedc6abc7bcdc;hb=8aa9cf7e655ae1e41f283fbf16dcc810970058a0;hpb=3ddd1d0458b4e90d34379a3019f092d6010e9710 diff --git a/crypto/init.c b/crypto/init.c index 8c599894ba..3f91119407 100644 --- a/crypto/init.c +++ b/crypto/init.c @@ -1,75 +1,29 @@ /* - * Written by Matt Caswell for the OpenSSL project. - */ -/* ==================================================================== - * Copyright (c) 2016 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). + * 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 #include #include -#include +#include +#include #include #include #include #include -#ifndef OPENSSL_NO_ENGINE #include -#endif -#include +#include #include +#include +#include #include #include +#include +#include static int stopped = 0; @@ -109,7 +63,7 @@ static CRYPTO_RWLOCK *init_lock = NULL; static CRYPTO_ONCE base = CRYPTO_ONCE_STATIC_INIT; static int base_inited = 0; -static void ossl_init_base(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_base) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n"); @@ -122,21 +76,59 @@ static void ossl_init_base(void) #ifndef OPENSSL_SYS_UEFI atexit(OPENSSL_cleanup); #endif - init_lock = CRYPTO_THREAD_lock_new(); + if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL) + return 0; OPENSSL_cpuid_setup(); + + /* + * BIG FAT WARNING! + * Everything needed to be initialized in this function before threads + * come along MUST happen before base_inited is set to 1, or we will + * see race conditions. + */ base_inited = 1; + +#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE) +# ifdef DSO_WIN32 + { + HMODULE handle = NULL; + BOOL ret; + + /* We don't use the DSO route for WIN32 because there is a better way */ + ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS + | GET_MODULE_HANDLE_EX_FLAG_PIN, + (void *)&base_inited, &handle); + + return (ret == TRUE) ? 1 : 0; + } +# else + /* + * Deliberately leak a reference to ourselves. This will force the library + * to remain loaded until the atexit() handler is run a process exit. + */ + { + DSO *dso = NULL; + + dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE); + DSO_free(dso); + } +# endif +#endif + + return 1; } static CRYPTO_ONCE load_crypto_strings = CRYPTO_ONCE_STATIC_INIT; static int load_crypto_strings_inited = 0; -static void ossl_init_no_load_crypto_strings(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_no_load_crypto_strings) { /* Do nothing in this case */ - return; + return 1; } -static void ossl_init_load_crypto_strings(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_strings) { + int ret = 1; /* * OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time * pulling in all the error strings during static linking @@ -144,15 +136,16 @@ static void ossl_init_load_crypto_strings(void) #if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT) # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_load_crypto_strings: " - "err_load_crypto_strings_intern()\n"); + "err_load_crypto_strings_int()\n"); # endif - err_load_crypto_strings_intern(); -#endif + ret = err_load_crypto_strings_int(); load_crypto_strings_inited = 1; +#endif + return ret; } static CRYPTO_ONCE add_all_ciphers = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_add_all_ciphers(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_ciphers) { /* * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time @@ -161,19 +154,15 @@ static void ossl_init_add_all_ciphers(void) #ifndef OPENSSL_NO_AUTOALGINIT # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_ciphers: " - "openssl_add_all_ciphers_internal()\n"); -# endif - openssl_add_all_ciphers_internal(); -# ifndef OPENSSL_NO_ENGINE -# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) - ENGINE_setup_bsd_cryptodev(); -# endif + "openssl_add_all_ciphers_int()\n"); # endif + openssl_add_all_ciphers_int(); #endif + return 1; } static CRYPTO_ONCE add_all_digests = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_add_all_digests(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_digests) { /* * OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time @@ -182,143 +171,139 @@ static void ossl_init_add_all_digests(void) #ifndef OPENSSL_NO_AUTOALGINIT # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_add_all_digests: " - "openssl_add_all_digests_internal()\n"); -# endif - openssl_add_all_digests_internal(); -# ifndef OPENSSL_NO_ENGINE -# if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV) - ENGINE_setup_bsd_cryptodev(); -# endif + "openssl_add_all_digests()\n"); # endif + openssl_add_all_digests_int(); #endif + return 1; } -static void ossl_init_no_add_algs(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_no_add_algs) { /* Do nothing */ - return; + return 1; } static CRYPTO_ONCE config = CRYPTO_ONCE_STATIC_INIT; static int config_inited = 0; -static const char *config_filename; -static void ossl_init_config(void) +static const char *appname; +DEFINE_RUN_ONCE_STATIC(ossl_init_config) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, - "OPENSSL_INIT: ossl_init_config: openssl_config_internal(%s)\n", - config_filename==NULL?"NULL":config_filename); + "OPENSSL_INIT: ossl_init_config: openssl_config(%s)\n", + appname == NULL ? "NULL" : appname); #endif - openssl_config_internal(config_filename); + openssl_config_int(appname); config_inited = 1; + return 1; } -static void ossl_init_no_config(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_no_config) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, - "OPENSSL_INIT: ossl_init_config: openssl_no_config_internal()\n"); + "OPENSSL_INIT: ossl_init_config: openssl_no_config_int()\n"); #endif - openssl_no_config_internal(); + openssl_no_config_int(); config_inited = 1; + return 1; } -#ifndef OPENSSL_NO_ASYNC static CRYPTO_ONCE async = CRYPTO_ONCE_STATIC_INIT; static int async_inited = 0; -static void ossl_init_async(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_async) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n"); #endif - async_init(); + if (!async_init()) + return 0; async_inited = 1; + return 1; } -#endif #ifndef OPENSSL_NO_ENGINE static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_openssl(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_openssl) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: " - "engine_load_openssl_internal()\n"); + "engine_load_openssl_int()\n"); # endif - engine_load_openssl_internal(); + engine_load_openssl_int(); + return 1; } # if !defined(OPENSSL_NO_HW) && \ - (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) + (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(HAVE_CRYPTODEV)) static CRYPTO_ONCE engine_cryptodev = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_cryptodev(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_cryptodev) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: " - "engine_load_cryptodev_internal()\n"); + "engine_load_cryptodev_int()\n"); # endif - engine_load_cryptodev_internal(); + engine_load_cryptodev_int(); + return 1; } # endif # ifndef OPENSSL_NO_RDRAND static CRYPTO_ONCE engine_rdrand = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_rdrand(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_rdrand) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: " - "engine_load_rdrand_internal()\n"); + "engine_load_rdrand_int()\n"); # endif - engine_load_rdrand_internal(); + engine_load_rdrand_int(); + return 1; } # endif static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_dynamic(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_dynamic) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: " - "engine_load_dynamic_internal()\n"); + "engine_load_dynamic_int()\n"); # endif - engine_load_dynamic_internal(); + engine_load_dynamic_int(); + return 1; } # ifndef OPENSSL_NO_STATIC_ENGINE # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) static CRYPTO_ONCE engine_padlock = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_padlock(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_padlock) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: " - "engine_load_padlock_internal()\n"); + "engine_load_padlock_int()\n"); # endif - engine_load_padlock_internal(); + engine_load_padlock_int(); + return 1; } # endif # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) static CRYPTO_ONCE engine_capi = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_capi(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_capi) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: " - "engine_load_capi_internal()\n"); + "engine_load_capi_int()\n"); # endif - engine_load_capi_internal(); + engine_load_capi_int(); + return 1; } # endif -static CRYPTO_ONCE engine_dasync = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_dasync(void) -{ -# ifdef OPENSSL_INIT_DEBUG - fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dasync: " - "engine_load_dasync_internal()\n"); -# endif - engine_load_dasync_internal(); -} # if !defined(OPENSSL_NO_AFALGENG) static CRYPTO_ONCE engine_afalg = CRYPTO_ONCE_STATIC_INIT; -static void ossl_init_engine_afalg(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_engine_afalg) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_afalg: " - "engine_load_afalg_internal()\n"); + "engine_load_afalg_int()\n"); # endif - engine_load_afalg_internal(); + engine_load_afalg_int(); + return 1; } # endif # endif @@ -328,10 +313,11 @@ static void ossl_init_engine_afalg(void) static CRYPTO_ONCE zlib = CRYPTO_ONCE_STATIC_INIT; static int zlib_inited = 0; -static void ossl_init_zlib(void) +DEFINE_RUN_ONCE_STATIC(ossl_init_zlib) { /* Do nothing - we need to know about this for the later cleanup */ zlib_inited = 1; + return 1; } #endif @@ -341,7 +327,6 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals) if (locals == NULL) return; -#ifndef OPENSSL_NO_ASYNC if (locals->async) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " @@ -349,14 +334,13 @@ static void ossl_init_thread_stop(struct thread_local_inits_st *locals) #endif ASYNC_cleanup_thread(); } -#endif if (locals->err_state) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: " - "ERR_remove_thread_state()\n"); + "err_delete_thread_state()\n"); #endif - ERR_remove_thread_state(); + err_delete_thread_state(); } OPENSSL_free(locals); @@ -433,13 +417,12 @@ void OPENSSL_cleanup(void) if (zlib_inited) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "COMP_zlib_cleanup()\n"); + "comp_zlib_cleanup_int()\n"); #endif - COMP_zlib_cleanup(); + comp_zlib_cleanup_int(); } #endif -#ifndef OPENSSL_NO_ASYNC if (async_inited) { # ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " @@ -447,54 +430,61 @@ void OPENSSL_cleanup(void) # endif async_deinit(); } -#endif if (load_crypto_strings_inited) { #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "ERR_free_strings()\n"); + "err_free_strings_int()\n"); #endif - ERR_free_strings(); + err_free_strings_int(); } CRYPTO_THREAD_cleanup_local(&threadstopkey); #ifdef OPENSSL_INIT_DEBUG fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "RAND_cleanup()\n"); + "rand_cleanup_int()\n"); fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "CONF_modules_free()\n"); + "conf_modules_free_int()\n"); #ifndef OPENSSL_NO_ENGINE fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "ENGINE_cleanup()\n"); + "engine_cleanup_int()\n"); #endif fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "CRYPTO_cleanup_all_ex_data()\n"); + "crypto_cleanup_all_ex_data_int()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " + "bio_sock_cleanup_int()\n"); + fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " + "bio_cleanup()\n"); fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "BIO_sock_cleanup()\n"); + "evp_cleanup_int()\n"); fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "EVP_cleanup()\n"); + "obj_cleanup_int()\n"); fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: " - "OBJ_cleanup()\n"); + "err_cleanup()\n"); #endif /* * Note that cleanup order is important: - * - RAND_cleanup could call an ENINGE's RAND cleanup function so must be - * called before ENGINE_cleanup() + * - rand_cleanup_int could call an ENGINE's RAND cleanup function so + * must be called before engine_cleanup_int() * - ENGINEs use CRYPTO_EX_DATA and therefore, must be cleaned up * before the ex data handlers are wiped in CRYPTO_cleanup_all_ex_data(). - * - CONF_modules_free() can end up in ENGINE code so must be called before - * ENGINE_cleanup() + * - conf_modules_free_int() can end up in ENGINE code so must be called + * before engine_cleanup_int() + * - ENGINEs and additional EVP algorithms might use added OIDs names so + * obj_cleanup_int() must be called last */ - RAND_cleanup(); - CONF_modules_free(); + rand_cleanup_int(); + conf_modules_free_int(); #ifndef OPENSSL_NO_ENGINE - ENGINE_cleanup(); + engine_cleanup_int(); #endif - CRYPTO_cleanup_all_ex_data(); - BIO_sock_cleanup(); - EVP_cleanup(); - OBJ_cleanup(); + crypto_cleanup_all_ex_data_int(); + bio_cleanup(); + evp_cleanup_int(); + obj_cleanup_int(); + err_cleanup(); + base_inited = 0; } @@ -520,100 +510,89 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) return 0; } - if (!CRYPTO_THREAD_run_once(&base, ossl_init_base)) + if (!base_inited && !RUN_ONCE(&base, ossl_init_base)) return 0; if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS) - && !CRYPTO_THREAD_run_once(&load_crypto_strings, - ossl_init_no_load_crypto_strings)) + && !RUN_ONCE(&load_crypto_strings, + ossl_init_no_load_crypto_strings)) return 0; if ((opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS) - && !CRYPTO_THREAD_run_once(&load_crypto_strings, - ossl_init_load_crypto_strings)) + && !RUN_ONCE(&load_crypto_strings, ossl_init_load_crypto_strings)) return 0; if ((opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS) - && !CRYPTO_THREAD_run_once(&add_all_ciphers, ossl_init_no_add_algs)) + && !RUN_ONCE(&add_all_ciphers, ossl_init_no_add_algs)) return 0; if ((opts & OPENSSL_INIT_ADD_ALL_CIPHERS) - && !CRYPTO_THREAD_run_once(&add_all_ciphers, - ossl_init_add_all_ciphers)) + && !RUN_ONCE(&add_all_ciphers, ossl_init_add_all_ciphers)) return 0; if ((opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS) - && !CRYPTO_THREAD_run_once(&add_all_digests, ossl_init_no_add_algs)) + && !RUN_ONCE(&add_all_digests, ossl_init_no_add_algs)) return 0; if ((opts & OPENSSL_INIT_ADD_ALL_DIGESTS) - && !CRYPTO_THREAD_run_once(&add_all_digests, - ossl_init_add_all_digests)) + && !RUN_ONCE(&add_all_digests, ossl_init_add_all_digests)) return 0; if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG) - && !CRYPTO_THREAD_run_once(&config, ossl_init_no_config)) + && !RUN_ONCE(&config, ossl_init_no_config)) return 0; if (opts & OPENSSL_INIT_LOAD_CONFIG) { int ret; CRYPTO_THREAD_write_lock(init_lock); - config_filename = (settings == NULL) ? NULL : settings->config_name; - ret = CRYPTO_THREAD_run_once(&config, ossl_init_config); + appname = (settings == NULL) ? NULL : settings->appname; + ret = RUN_ONCE(&config, ossl_init_config); CRYPTO_THREAD_unlock(init_lock); if (!ret) return 0; } -#ifndef OPENSSL_NO_ASYNC if ((opts & OPENSSL_INIT_ASYNC) - && !CRYPTO_THREAD_run_once(&async, ossl_init_async)) + && !RUN_ONCE(&async, ossl_init_async)) return 0; -#endif + #ifndef OPENSSL_NO_ENGINE if ((opts & OPENSSL_INIT_ENGINE_OPENSSL) - && !CRYPTO_THREAD_run_once(&engine_openssl, - ossl_init_engine_openssl)) + && !RUN_ONCE(&engine_openssl, ossl_init_engine_openssl)) return 0; # if !defined(OPENSSL_NO_HW) && \ - (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV)) + (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(HAVE_CRYPTODEV)) if ((opts & OPENSSL_INIT_ENGINE_CRYPTODEV) - && !CRYPTO_THREAD_run_once(&engine_cryptodev, - ossl_init_engine_cryptodev)) + && !RUN_ONCE(&engine_cryptodev, ossl_init_engine_cryptodev)) return 0; # endif # ifndef OPENSSL_NO_RDRAND if ((opts & OPENSSL_INIT_ENGINE_RDRAND) - && !CRYPTO_THREAD_run_once(&engine_rdrand, ossl_init_engine_rdrand)) + && !RUN_ONCE(&engine_rdrand, ossl_init_engine_rdrand)) return 0; # endif if ((opts & OPENSSL_INIT_ENGINE_DYNAMIC) - && !CRYPTO_THREAD_run_once(&engine_dynamic, - ossl_init_engine_dynamic)) + && !RUN_ONCE(&engine_dynamic, ossl_init_engine_dynamic)) return 0; # ifndef OPENSSL_NO_STATIC_ENGINE # if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK) if ((opts & OPENSSL_INIT_ENGINE_PADLOCK) - && !CRYPTO_THREAD_run_once(&engine_padlock, - ossl_init_engine_padlock)) + && !RUN_ONCE(&engine_padlock, ossl_init_engine_padlock)) return 0; # endif # if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG) if ((opts & OPENSSL_INIT_ENGINE_CAPI) - && !CRYPTO_THREAD_run_once(&engine_capi, ossl_init_engine_capi)) + && !RUN_ONCE(&engine_capi, ossl_init_engine_capi)) return 0; # endif - if ((opts & OPENSSL_INIT_ENGINE_DASYNC) - && !CRYPTO_THREAD_run_once(&engine_dasync, ossl_init_engine_dasync)) - return 0; # if !defined(OPENSSL_NO_AFALGENG) if ((opts & OPENSSL_INIT_ENGINE_AFALG) - && !CRYPTO_THREAD_run_once(&engine_afalg, ossl_init_engine_afalg)) + && !RUN_ONCE(&engine_afalg, ossl_init_engine_afalg)) return 0; # endif # endif if (opts & (OPENSSL_INIT_ENGINE_ALL_BUILTIN - | OPENSSL_INIT_ENGINE_DASYNC | OPENSSL_INIT_ENGINE_OPENSSL + | OPENSSL_INIT_ENGINE_OPENSSL | OPENSSL_INIT_ENGINE_AFALG)) { ENGINE_register_all_complete(); } @@ -621,7 +600,7 @@ int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings) #ifndef OPENSSL_NO_COMP if ((opts & OPENSSL_INIT_ZLIB) - && !CRYPTO_THREAD_run_once(&zlib, ossl_init_zlib)) + && !RUN_ONCE(&zlib, ossl_init_zlib)) return 0; #endif @@ -632,6 +611,47 @@ int OPENSSL_atexit(void (*handler)(void)) { OPENSSL_INIT_STOP *newhand; +#if !defined(OPENSSL_NO_DSO) && !defined(OPENSSL_USE_NODELETE) + { + union { + void *sym; + void (*func)(void); + } handlersym; + + handlersym.func = handler; +# ifdef DSO_WIN32 + { + HMODULE handle = NULL; + BOOL ret; + + /* + * We don't use the DSO route for WIN32 because there is a better + * way + */ + ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS + | GET_MODULE_HANDLE_EX_FLAG_PIN, + handlersym.sym, &handle); + + if (!ret) + return 0; + } +# else + /* + * Deliberately leak a reference to the handler. This will force the + * library/code containing the handler to remain loaded until we run the + * atexit handler. If -znodelete has been used then this is + * unneccessary. + */ + { + DSO *dso = NULL; + + dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE); + DSO_free(dso); + } +# endif + } +#endif + newhand = OPENSSL_malloc(sizeof(*newhand)); if (newhand == NULL) return 0;