2016-02-09 19:26:14 +08:00
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/*
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2021-04-08 20:04:41 +08:00
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* Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
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2016-02-09 19:26:14 +08:00
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*
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2018-12-06 21:03:01 +08:00
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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2016-05-18 02:51:34 +08:00
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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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2016-02-09 19:26:14 +08:00
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*/
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2020-07-14 07:40:29 +08:00
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/* We need to use some engine deprecated APIs */
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#define OPENSSL_SUPPRESS_DEPRECATED
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2017-08-24 07:05:07 +08:00
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#include "e_os.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/cryptlib.h"
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2016-02-09 19:26:14 +08:00
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#include <openssl/err.h>
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2019-09-28 06:45:33 +08:00
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#include "crypto/rand.h"
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2017-08-22 20:35:43 +08:00
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#include "internal/bio.h"
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2016-02-09 19:26:14 +08:00
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#include <openssl/evp.h>
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2019-09-28 06:45:33 +08:00
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#include "crypto/evp.h"
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2017-08-22 20:35:43 +08:00
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#include "internal/conf.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/async.h"
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#include "crypto/engine.h"
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2017-08-22 20:35:43 +08:00
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#include "internal/comp.h"
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#include "internal/err.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/err.h"
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#include "crypto/objects.h"
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2016-02-09 19:26:14 +08:00
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#include <stdlib.h>
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2016-02-10 13:39:29 +08:00
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#include <assert.h>
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2017-08-22 20:35:43 +08:00
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#include "internal/thread_once.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/dso_conf.h"
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2017-08-22 20:35:43 +08:00
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#include "internal/dso.h"
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2019-09-28 06:45:33 +08:00
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#include "crypto/store.h"
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2019-08-10 20:07:22 +08:00
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#include <openssl/cmp_util.h> /* for OSSL_CMP_log_close() */
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2018-12-13 07:32:57 +08:00
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#include <openssl/trace.h>
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2016-02-10 13:39:29 +08:00
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static int stopped = 0;
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2020-12-23 01:44:07 +08:00
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static uint64_t optsdone = 0;
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2016-02-09 19:26:14 +08:00
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2016-02-10 22:55:48 +08:00
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typedef struct ossl_init_stop_st OPENSSL_INIT_STOP;
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2016-02-09 19:26:14 +08:00
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struct ossl_init_stop_st {
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void (*handler)(void);
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OPENSSL_INIT_STOP *next;
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};
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static OPENSSL_INIT_STOP *stop_handlers = NULL;
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2016-03-07 22:39:22 +08:00
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static CRYPTO_RWLOCK *init_lock = NULL;
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2021-08-03 23:29:04 +08:00
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static CRYPTO_THREAD_LOCAL in_init_config_local;
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2016-02-09 19:26:14 +08:00
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE base = CRYPTO_ONCE_STATIC_INIT;
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2016-02-09 19:26:14 +08:00
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static int base_inited = 0;
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2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_base)
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2016-02-09 19:26:14 +08:00
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{
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2019-08-10 22:51:12 +08:00
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/* no need to init trace */
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE(INIT, "ossl_init_base: setting up stop handlers\n");
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2016-07-09 01:40:08 +08:00
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#ifndef OPENSSL_NO_CRYPTO_MDEBUG
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ossl_malloc_setup_failures();
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2016-02-09 19:26:14 +08:00
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#endif
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2019-05-25 00:52:17 +08:00
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2018-04-20 21:45:06 +08:00
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if ((init_lock = CRYPTO_THREAD_lock_new()) == NULL)
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goto err;
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2016-02-09 19:26:14 +08:00
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OPENSSL_cpuid_setup();
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2016-11-15 07:58:51 +08:00
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2019-06-17 22:16:36 +08:00
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if (!ossl_init_thread())
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2021-08-03 23:29:04 +08:00
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goto err;
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if (!CRYPTO_THREAD_init_local(&in_init_config_local, NULL))
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goto err;
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2019-05-25 00:52:17 +08:00
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2016-02-09 19:26:14 +08:00
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base_inited = 1;
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2018-04-20 21:45:06 +08:00
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return 1;
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err:
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE(INIT, "ossl_init_base failed!\n");
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2018-04-20 21:45:06 +08:00
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CRYPTO_THREAD_lock_free(init_lock);
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init_lock = NULL;
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2016-10-18 21:13:25 +08:00
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2018-04-20 21:45:06 +08:00
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return 0;
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}
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2018-11-16 00:27:34 +08:00
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static CRYPTO_ONCE register_atexit = CRYPTO_ONCE_STATIC_INIT;
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2018-11-17 01:26:23 +08:00
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#if !defined(OPENSSL_SYS_UEFI) && defined(_WIN32)
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static int win32atexit(void)
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{
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OPENSSL_cleanup();
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return 0;
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}
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#endif
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2018-11-16 00:27:34 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_register_atexit)
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{
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2018-11-17 01:26:23 +08:00
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#ifdef OPENSSL_INIT_DEBUG
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2018-11-16 00:27:34 +08:00
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fprintf(stderr, "OPENSSL_INIT: ossl_init_register_atexit()\n");
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2018-11-17 01:26:23 +08:00
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#endif
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2018-11-16 00:27:34 +08:00
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#ifndef OPENSSL_SYS_UEFI
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2020-11-20 07:39:12 +08:00
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# if defined(_WIN32) && !defined(__BORLANDC__)
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2018-11-17 01:26:23 +08:00
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/* We use _onexit() in preference because it gets called on DLL unload */
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if (_onexit(win32atexit) == NULL)
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return 0;
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# else
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2018-11-16 00:27:34 +08:00
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if (atexit(OPENSSL_cleanup) != 0)
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return 0;
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2018-11-17 01:26:23 +08:00
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# endif
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2018-11-16 00:27:34 +08:00
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#endif
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return 1;
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}
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_register_atexit,
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ossl_init_register_atexit)
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{
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#ifdef OPENSSL_INIT_DEBUG
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fprintf(stderr, "OPENSSL_INIT: ossl_init_no_register_atexit ok!\n");
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#endif
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/* Do nothing in this case */
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return 1;
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}
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2018-04-20 21:45:06 +08:00
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static CRYPTO_ONCE load_crypto_nodelete = CRYPTO_ONCE_STATIC_INIT;
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DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_nodelete)
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{
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE(INIT, "ossl_init_load_crypto_nodelete()\n");
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2019-03-31 22:15:02 +08:00
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#if !defined(OPENSSL_USE_NODELETE) \
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2018-11-16 22:05:14 +08:00
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&& !defined(OPENSSL_NO_PINSHARED)
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2019-03-27 16:30:47 +08:00
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# if defined(DSO_WIN32) && !defined(_WIN32_WCE)
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2016-10-28 18:03:22 +08:00
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{
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HMODULE handle = NULL;
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BOOL ret;
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/* We don't use the DSO route for WIN32 because there is a better way */
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ret = GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
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| GET_MODULE_HANDLE_EX_FLAG_PIN,
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(void *)&base_inited, &handle);
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE1(INIT,
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"ossl_init_load_crypto_nodelete: "
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"obtained DSO reference? %s\n",
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(ret == TRUE ? "No!" : "Yes."));
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2016-10-28 18:03:22 +08:00
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return (ret == TRUE) ? 1 : 0;
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}
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2019-03-31 22:15:02 +08:00
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# elif !defined(DSO_NONE)
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2016-10-18 21:13:25 +08:00
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/*
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* Deliberately leak a reference to ourselves. This will force the library
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2017-05-04 19:51:18 +08:00
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* to remain loaded until the atexit() handler is run at process exit.
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2016-10-18 21:13:25 +08:00
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*/
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{
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2018-04-20 21:45:06 +08:00
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DSO *dso;
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void *err;
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if (!err_shelve_state(&err))
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return 0;
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2016-10-18 21:13:25 +08:00
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dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE);
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2018-03-20 01:37:46 +08:00
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/*
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* In case of No!, it is uncertain our exit()-handlers can still be
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* called. After dlclose() the whole library might have been unloaded
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* already.
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*/
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE1(INIT, "obtained DSO reference? %s\n",
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(dso == NULL ? "No!" : "Yes."));
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2016-10-18 21:13:25 +08:00
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DSO_free(dso);
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2018-04-20 21:45:06 +08:00
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err_unshelve_state(err);
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2016-10-18 21:13:25 +08:00
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}
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2016-10-28 18:03:22 +08:00
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# endif
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2016-10-18 22:11:57 +08:00
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#endif
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2016-10-18 21:13:25 +08:00
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2016-07-20 01:42:11 +08:00
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return 1;
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2016-02-09 19:26:14 +08:00
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}
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE load_crypto_strings = CRYPTO_ONCE_STATIC_INIT;
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2016-02-09 19:26:14 +08:00
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static int load_crypto_strings_inited = 0;
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2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_load_crypto_strings)
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2016-02-09 19:26:14 +08:00
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{
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2016-07-12 21:50:06 +08:00
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int ret = 1;
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2016-02-09 17:39:07 +08:00
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/*
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* OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time
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* pulling in all the error strings during static linking
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*/
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#if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
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2021-05-25 10:04:22 +08:00
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OSSL_TRACE(INIT, "ossl_err_load_crypto_strings()\n");
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ret = ossl_err_load_crypto_strings();
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2016-02-09 19:26:14 +08:00
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load_crypto_strings_inited = 1;
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2017-06-06 23:35:43 +08:00
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#endif
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2016-07-12 21:50:06 +08:00
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return ret;
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2016-02-09 19:26:14 +08:00
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}
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2018-11-20 23:32:55 +08:00
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_load_crypto_strings,
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ossl_init_load_crypto_strings)
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{
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/* Do nothing in this case */
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return 1;
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}
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE add_all_ciphers = CRYPTO_ONCE_STATIC_INIT;
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2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_ciphers)
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2016-02-09 19:26:14 +08:00
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{
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/*
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* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
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* pulling in all the ciphers during static linking
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*/
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#ifndef OPENSSL_NO_AUTOALGINIT
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE(INIT, "openssl_add_all_ciphers_int()\n");
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2016-04-12 19:20:16 +08:00
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openssl_add_all_ciphers_int();
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2016-02-09 19:26:14 +08:00
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#endif
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2016-07-20 01:42:11 +08:00
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return 1;
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2016-02-09 19:26:14 +08:00
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}
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2018-11-20 23:32:55 +08:00
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_add_all_ciphers,
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ossl_init_add_all_ciphers)
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{
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/* Do nothing */
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return 1;
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}
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE add_all_digests = CRYPTO_ONCE_STATIC_INIT;
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2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_digests)
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2016-02-09 19:26:14 +08:00
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{
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/*
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* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
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* pulling in all the ciphers during static linking
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*/
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#ifndef OPENSSL_NO_AUTOALGINIT
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2018-12-13 07:32:57 +08:00
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OSSL_TRACE(INIT, "openssl_add_all_digests()\n");
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2016-04-12 19:20:16 +08:00
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openssl_add_all_digests_int();
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2016-02-09 19:26:14 +08:00
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#endif
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2016-07-20 01:42:11 +08:00
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return 1;
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2016-02-09 19:26:14 +08:00
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}
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2018-11-20 23:32:55 +08:00
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_add_all_digests,
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ossl_init_add_all_digests)
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{
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/* Do nothing */
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return 1;
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}
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE config = CRYPTO_ONCE_STATIC_INIT;
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2016-02-09 19:26:14 +08:00
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static int config_inited = 0;
|
2019-01-01 15:53:24 +08:00
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static const OPENSSL_INIT_SETTINGS *conf_settings = NULL;
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2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_config)
|
2020-12-22 23:16:51 +08:00
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{
|
2021-03-09 09:36:36 +08:00
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int ret = ossl_config_int(NULL);
|
2020-12-22 23:16:51 +08:00
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config_inited = 1;
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return ret;
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}
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_config_settings, ossl_init_config)
|
2016-02-09 19:26:14 +08:00
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{
|
2021-03-09 09:36:36 +08:00
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int ret = ossl_config_int(conf_settings);
|
2020-12-22 23:16:51 +08:00
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2016-02-09 19:26:14 +08:00
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config_inited = 1;
|
2019-01-01 15:53:24 +08:00
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return ret;
|
2016-02-09 19:26:14 +08:00
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}
|
2018-11-20 23:32:55 +08:00
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DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_config, ossl_init_config)
|
2016-02-09 19:26:14 +08:00
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{
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2021-03-09 09:36:36 +08:00
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OSSL_TRACE(INIT, "ossl_no_config_int()\n");
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ossl_no_config_int();
|
2016-02-09 19:26:14 +08:00
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config_inited = 1;
|
2016-07-20 01:42:11 +08:00
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return 1;
|
2016-02-09 19:26:14 +08:00
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}
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2016-03-02 22:51:00 +08:00
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static CRYPTO_ONCE async = CRYPTO_ONCE_STATIC_INIT;
|
2016-02-09 19:26:14 +08:00
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static int async_inited = 0;
|
2016-07-20 01:42:11 +08:00
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DEFINE_RUN_ONCE_STATIC(ossl_init_async)
|
2016-02-09 19:26:14 +08:00
|
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{
|
2018-12-13 07:32:57 +08:00
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|
OSSL_TRACE(INIT, "async_init()\n");
|
2016-07-20 01:42:11 +08:00
|
|
|
if (!async_init())
|
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
async_inited = 1;
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
2016-03-02 22:51:00 +08:00
|
|
|
static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_openssl)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_openssl_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_openssl_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
# ifndef OPENSSL_NO_RDRAND
|
2016-03-02 22:51:00 +08:00
|
|
|
static CRYPTO_ONCE engine_rdrand = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_rdrand)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_rdrand_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_rdrand_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
# endif
|
2016-03-02 22:51:00 +08:00
|
|
|
static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_dynamic)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_dynamic_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_dynamic_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
# ifndef OPENSSL_NO_STATIC_ENGINE
|
2018-11-06 20:57:03 +08:00
|
|
|
# ifndef OPENSSL_NO_DEVCRYPTOENG
|
|
|
|
static CRYPTO_ONCE engine_devcrypto = CRYPTO_ONCE_STATIC_INIT;
|
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_devcrypto)
|
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_devcrypto_int()\n");
|
2018-11-06 20:57:03 +08:00
|
|
|
engine_load_devcrypto_int();
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
# endif
|
2019-03-01 20:18:11 +08:00
|
|
|
# if !defined(OPENSSL_NO_PADLOCKENG)
|
2016-03-02 22:51:00 +08:00
|
|
|
static CRYPTO_ONCE engine_padlock = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_padlock)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_padlock_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_padlock_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
# endif
|
|
|
|
# if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
|
2016-03-02 22:51:00 +08:00
|
|
|
static CRYPTO_ONCE engine_capi = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_capi)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_capi_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_capi_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
# endif
|
2016-02-23 16:01:01 +08:00
|
|
|
# if !defined(OPENSSL_NO_AFALGENG)
|
2016-03-15 21:06:34 +08:00
|
|
|
static CRYPTO_ONCE engine_afalg = CRYPTO_ONCE_STATIC_INIT;
|
2016-07-20 01:42:11 +08:00
|
|
|
DEFINE_RUN_ONCE_STATIC(ossl_init_engine_afalg)
|
2016-02-23 16:01:01 +08:00
|
|
|
{
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "engine_load_afalg_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_load_afalg_int();
|
2016-07-20 01:42:11 +08:00
|
|
|
return 1;
|
2016-02-23 16:01:01 +08:00
|
|
|
}
|
|
|
|
# endif
|
2016-02-09 19:26:14 +08:00
|
|
|
# endif
|
|
|
|
#endif
|
|
|
|
|
2016-02-10 00:52:40 +08:00
|
|
|
void OPENSSL_cleanup(void)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
|
|
|
OPENSSL_INIT_STOP *currhandler, *lasthandler;
|
|
|
|
|
2019-05-02 20:42:31 +08:00
|
|
|
/*
|
2021-03-16 00:55:46 +08:00
|
|
|
* At some point we should consider looking at this function with a view to
|
|
|
|
* moving most/all of this into onfree handlers in OSSL_LIB_CTX.
|
2019-05-02 20:42:31 +08:00
|
|
|
*/
|
|
|
|
|
2016-02-10 17:47:51 +08:00
|
|
|
/* If we've not been inited then no need to deinit */
|
|
|
|
if (!base_inited)
|
|
|
|
return;
|
|
|
|
|
2016-02-10 13:39:29 +08:00
|
|
|
/* Might be explicitly called and also by atexit */
|
|
|
|
if (stopped)
|
|
|
|
return;
|
|
|
|
stopped = 1;
|
|
|
|
|
2016-02-09 19:26:14 +08:00
|
|
|
/*
|
|
|
|
* Thread stop may not get automatically called by the thread library for
|
|
|
|
* the very last thread in some situations, so call it directly.
|
|
|
|
*/
|
2019-05-25 00:52:17 +08:00
|
|
|
OPENSSL_thread_stop();
|
2016-02-09 19:26:14 +08:00
|
|
|
|
|
|
|
currhandler = stop_handlers;
|
|
|
|
while (currhandler != NULL) {
|
|
|
|
currhandler->handler();
|
|
|
|
lasthandler = currhandler;
|
|
|
|
currhandler = currhandler->next;
|
|
|
|
OPENSSL_free(lasthandler);
|
|
|
|
}
|
|
|
|
stop_handlers = NULL;
|
2016-03-07 22:39:22 +08:00
|
|
|
|
|
|
|
CRYPTO_THREAD_lock_free(init_lock);
|
2018-01-26 23:32:40 +08:00
|
|
|
init_lock = NULL;
|
2016-03-07 22:39:22 +08:00
|
|
|
|
2021-08-03 23:29:04 +08:00
|
|
|
CRYPTO_THREAD_cleanup_local(&in_init_config_local);
|
|
|
|
|
2016-02-09 19:26:14 +08:00
|
|
|
/*
|
|
|
|
* We assume we are single-threaded for this function, i.e. no race
|
|
|
|
* conditions for the various "*_inited" vars below.
|
|
|
|
*/
|
|
|
|
|
2016-03-12 04:13:19 +08:00
|
|
|
#ifndef OPENSSL_NO_COMP
|
2021-04-13 03:51:59 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_comp_zlib_cleanup()\n");
|
|
|
|
ossl_comp_zlib_cleanup();
|
2016-03-12 04:13:19 +08:00
|
|
|
#endif
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-03 00:52:43 +08:00
|
|
|
if (async_inited) {
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: async_deinit()\n");
|
2016-03-03 00:52:43 +08:00
|
|
|
async_deinit();
|
|
|
|
}
|
|
|
|
|
2016-02-09 19:26:14 +08:00
|
|
|
if (load_crypto_strings_inited) {
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: err_free_strings_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
err_free_strings_int();
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
|
2016-03-14 18:34:59 +08:00
|
|
|
/*
|
|
|
|
* Note that cleanup order is important:
|
2021-03-08 17:17:53 +08:00
|
|
|
* - ossl_rand_cleanup_int could call an ENGINE's RAND cleanup function so
|
2016-04-12 19:20:16 +08:00
|
|
|
* must be called before engine_cleanup_int()
|
2016-03-14 18:34:59 +08:00
|
|
|
* - ENGINEs use CRYPTO_EX_DATA and therefore, must be cleaned up
|
2020-10-15 17:55:50 +08:00
|
|
|
* before the ex data handlers are wiped during default ossl_lib_ctx deinit.
|
2021-03-09 09:36:36 +08:00
|
|
|
* - ossl_config_modules_free() can end up in ENGINE code so must be called
|
2016-04-12 19:20:16 +08:00
|
|
|
* before engine_cleanup_int()
|
2016-04-13 19:11:59 +08:00
|
|
|
* - ENGINEs and additional EVP algorithms might use added OIDs names so
|
2021-03-09 09:36:36 +08:00
|
|
|
* ossl_obj_cleanup_int() must be called last
|
2016-03-14 18:34:59 +08:00
|
|
|
*/
|
2021-03-08 17:17:53 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_rand_cleanup_int()\n");
|
|
|
|
ossl_rand_cleanup_int();
|
2018-12-13 07:32:57 +08:00
|
|
|
|
2021-03-09 09:36:36 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_config_modules_free()\n");
|
|
|
|
ossl_config_modules_free();
|
2019-05-01 18:02:43 +08:00
|
|
|
|
2016-03-11 17:52:52 +08:00
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: engine_cleanup_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
engine_cleanup_int();
|
2016-03-11 17:52:52 +08:00
|
|
|
#endif
|
2020-07-24 05:06:27 +08:00
|
|
|
|
|
|
|
#ifndef OPENSSL_NO_DEPRECATED_3_0
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_store_cleanup_int()\n");
|
2016-12-08 22:51:31 +08:00
|
|
|
ossl_store_cleanup_int();
|
2020-07-24 05:06:27 +08:00
|
|
|
#endif
|
2018-12-13 07:32:57 +08:00
|
|
|
|
2020-10-15 17:55:50 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_lib_ctx_default_deinit()\n");
|
|
|
|
ossl_lib_ctx_default_deinit();
|
2018-12-13 07:32:57 +08:00
|
|
|
|
2019-06-19 01:37:38 +08:00
|
|
|
ossl_cleanup_thread();
|
|
|
|
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: bio_cleanup()\n");
|
2016-03-12 05:53:18 +08:00
|
|
|
bio_cleanup();
|
2018-12-13 07:32:57 +08:00
|
|
|
|
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: evp_cleanup_int()\n");
|
2016-04-12 19:20:16 +08:00
|
|
|
evp_cleanup_int();
|
2018-12-13 07:32:57 +08:00
|
|
|
|
2021-03-09 09:36:36 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_obj_cleanup_int()\n");
|
|
|
|
ossl_obj_cleanup_int();
|
2018-12-13 07:32:57 +08:00
|
|
|
|
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: err_int()\n");
|
2016-03-12 05:53:18 +08:00
|
|
|
err_cleanup();
|
|
|
|
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: CRYPTO_secure_malloc_done()\n");
|
2018-02-12 09:37:27 +08:00
|
|
|
CRYPTO_secure_malloc_done();
|
|
|
|
|
2019-08-10 20:07:22 +08:00
|
|
|
#ifndef OPENSSL_NO_CMP
|
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: OSSL_CMP_log_close()\n");
|
|
|
|
OSSL_CMP_log_close();
|
|
|
|
#endif
|
|
|
|
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE(INIT, "OPENSSL_cleanup: ossl_trace_cleanup()\n");
|
|
|
|
ossl_trace_cleanup();
|
|
|
|
|
2016-02-10 17:47:51 +08:00
|
|
|
base_inited = 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If this function is called with a non NULL settings value then it must be
|
|
|
|
* called prior to any threads making calls to any OpenSSL functions,
|
|
|
|
* i.e. passing a non-null settings value is assumed to be single-threaded.
|
|
|
|
*/
|
2016-02-10 21:59:15 +08:00
|
|
|
int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
2020-12-23 01:44:07 +08:00
|
|
|
uint64_t tmp;
|
|
|
|
int aloaddone = 0;
|
|
|
|
|
2021-06-02 21:15:45 +08:00
|
|
|
/* Applications depend on 0 being returned when cleanup was already done */
|
|
|
|
if (stopped) {
|
|
|
|
if (!(opts & OPENSSL_INIT_BASE_ONLY))
|
|
|
|
ERR_raise(ERR_LIB_CRYPTO, ERR_R_INIT_FAIL);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2020-12-23 01:44:07 +08:00
|
|
|
/*
|
|
|
|
* We ignore failures from this function. It is probably because we are
|
|
|
|
* on a platform that doesn't support lockless atomic loads (we may not
|
|
|
|
* have created init_lock yet so we can't use it). This is just an
|
|
|
|
* optimisation to skip the full checks in this function if we don't need
|
|
|
|
* to, so we carry on regardless in the event of failure.
|
|
|
|
*
|
|
|
|
* There could be a race here with other threads, so that optsdone has not
|
|
|
|
* been updated yet, even though the options have in fact been initialised.
|
|
|
|
* This doesn't matter - it just means we will run the full function
|
|
|
|
* unnecessarily - but all the critical code is contained in RUN_ONCE
|
|
|
|
* functions anyway so we are safe.
|
|
|
|
*/
|
|
|
|
if (CRYPTO_atomic_load(&optsdone, &tmp, NULL)) {
|
|
|
|
if ((tmp & opts) == opts)
|
|
|
|
return 1;
|
|
|
|
aloaddone = 1;
|
|
|
|
}
|
|
|
|
|
2019-05-02 20:42:31 +08:00
|
|
|
/*
|
2021-03-16 00:55:46 +08:00
|
|
|
* At some point we should look at this function with a view to moving
|
|
|
|
* most/all of this into OSSL_LIB_CTX.
|
2021-06-02 21:15:45 +08:00
|
|
|
*
|
2019-01-01 15:53:24 +08:00
|
|
|
* When the caller specifies OPENSSL_INIT_BASE_ONLY, that should be the
|
|
|
|
* *only* option specified. With that option we return immediately after
|
|
|
|
* doing the requested limited initialization. Note that
|
|
|
|
* err_shelve_state() called by us via ossl_init_load_crypto_nodelete()
|
|
|
|
* re-enters OPENSSL_init_crypto() with OPENSSL_INIT_BASE_ONLY, but with
|
|
|
|
* base already initialized this is a harmless NOOP.
|
|
|
|
*
|
|
|
|
* If we remain the only caller of err_shelve_state() the recursion should
|
|
|
|
* perhaps be removed, but if in doubt, it can be left in place.
|
|
|
|
*/
|
2018-04-20 21:45:06 +08:00
|
|
|
if (!RUN_ONCE(&base, ossl_init_base))
|
|
|
|
return 0;
|
|
|
|
|
2019-01-01 15:53:24 +08:00
|
|
|
if (opts & OPENSSL_INIT_BASE_ONLY)
|
|
|
|
return 1;
|
|
|
|
|
2020-12-23 01:44:07 +08:00
|
|
|
/*
|
|
|
|
* init_lock should definitely be set up now, so we can now repeat the
|
|
|
|
* same check from above but be sure that it will work even on platforms
|
|
|
|
* without lockless CRYPTO_atomic_load
|
|
|
|
*/
|
|
|
|
if (!aloaddone) {
|
|
|
|
if (!CRYPTO_atomic_load(&optsdone, &tmp, init_lock))
|
|
|
|
return 0;
|
|
|
|
if ((tmp & opts) == opts)
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2019-01-01 15:53:24 +08:00
|
|
|
/*
|
|
|
|
* Now we don't always set up exit handlers, the INIT_BASE_ONLY calls
|
|
|
|
* should not have the side-effect of setting up exit handlers, and
|
|
|
|
* therefore, this code block is below the INIT_BASE_ONLY-conditioned early
|
|
|
|
* return above.
|
|
|
|
*/
|
2018-11-16 00:27:34 +08:00
|
|
|
if ((opts & OPENSSL_INIT_NO_ATEXIT) != 0) {
|
|
|
|
if (!RUN_ONCE_ALT(®ister_atexit, ossl_init_no_register_atexit,
|
|
|
|
ossl_init_register_atexit))
|
|
|
|
return 0;
|
|
|
|
} else if (!RUN_ONCE(®ister_atexit, ossl_init_register_atexit)) {
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2019-01-01 15:53:24 +08:00
|
|
|
if (!RUN_ONCE(&load_crypto_nodelete, ossl_init_load_crypto_nodelete))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
|
2018-11-20 23:32:55 +08:00
|
|
|
&& !RUN_ONCE_ALT(&load_crypto_strings,
|
|
|
|
ossl_init_no_load_crypto_strings,
|
|
|
|
ossl_init_load_crypto_strings))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&load_crypto_strings, ossl_init_load_crypto_strings))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS)
|
2018-11-20 23:32:55 +08:00
|
|
|
&& !RUN_ONCE_ALT(&add_all_ciphers, ossl_init_no_add_all_ciphers,
|
|
|
|
ossl_init_add_all_ciphers))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ADD_ALL_CIPHERS)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&add_all_ciphers, ossl_init_add_all_ciphers))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS)
|
2018-11-20 23:32:55 +08:00
|
|
|
&& !RUN_ONCE_ALT(&add_all_digests, ossl_init_no_add_all_digests,
|
|
|
|
ossl_init_add_all_digests))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ADD_ALL_DIGESTS)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&add_all_digests, ossl_init_add_all_digests))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
2017-07-01 01:55:08 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ATFORK)
|
2017-06-23 02:00:06 +08:00
|
|
|
&& !openssl_init_fork_handlers())
|
|
|
|
return 0;
|
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG)
|
2018-11-20 23:32:55 +08:00
|
|
|
&& !RUN_ONCE_ALT(&config, ossl_init_no_config, ossl_init_config))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
|
|
|
|
if (opts & OPENSSL_INIT_LOAD_CONFIG) {
|
2021-08-03 23:29:04 +08:00
|
|
|
int loading = CRYPTO_THREAD_get_local(&in_init_config_local) != NULL;
|
2020-12-22 23:16:51 +08:00
|
|
|
|
2021-08-03 23:29:04 +08:00
|
|
|
/* If called recursively from OBJ_ calls, just skip it. */
|
|
|
|
if (!loading) {
|
|
|
|
int ret;
|
|
|
|
|
|
|
|
if (!CRYPTO_THREAD_set_local(&in_init_config_local, (void *)-1))
|
|
|
|
return 0;
|
|
|
|
if (settings == NULL) {
|
|
|
|
ret = RUN_ONCE(&config, ossl_init_config);
|
|
|
|
} else {
|
|
|
|
if (!CRYPTO_THREAD_write_lock(init_lock))
|
|
|
|
return 0;
|
|
|
|
conf_settings = settings;
|
|
|
|
ret = RUN_ONCE_ALT(&config, ossl_init_config_settings,
|
|
|
|
ossl_init_config);
|
|
|
|
conf_settings = NULL;
|
|
|
|
CRYPTO_THREAD_unlock(init_lock);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (ret <= 0)
|
2021-02-19 04:31:56 +08:00
|
|
|
return 0;
|
2020-12-22 23:16:51 +08:00
|
|
|
}
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ASYNC)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&async, ossl_init_async))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-03-18 01:06:28 +08:00
|
|
|
|
2016-02-09 19:26:14 +08:00
|
|
|
#ifndef OPENSSL_NO_ENGINE
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_OPENSSL)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_openssl, ossl_init_engine_openssl))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
# ifndef OPENSSL_NO_RDRAND
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_RDRAND)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_rdrand, ossl_init_engine_rdrand))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
# endif
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_DYNAMIC)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_dynamic, ossl_init_engine_dynamic))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
# ifndef OPENSSL_NO_STATIC_ENGINE
|
2018-11-06 20:57:03 +08:00
|
|
|
# ifndef OPENSSL_NO_DEVCRYPTOENG
|
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_CRYPTODEV)
|
|
|
|
&& !RUN_ONCE(&engine_devcrypto, ossl_init_engine_devcrypto))
|
|
|
|
return 0;
|
|
|
|
# endif
|
2019-03-01 20:18:11 +08:00
|
|
|
# if !defined(OPENSSL_NO_PADLOCKENG)
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_PADLOCK)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_padlock, ossl_init_engine_padlock))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
# endif
|
|
|
|
# if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_CAPI)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_capi, ossl_init_engine_capi))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-09 19:26:14 +08:00
|
|
|
# endif
|
2016-02-23 16:01:01 +08:00
|
|
|
# if !defined(OPENSSL_NO_AFALGENG)
|
2016-03-02 22:51:00 +08:00
|
|
|
if ((opts & OPENSSL_INIT_ENGINE_AFALG)
|
2016-07-20 01:42:11 +08:00
|
|
|
&& !RUN_ONCE(&engine_afalg, ossl_init_engine_afalg))
|
2016-03-02 22:51:00 +08:00
|
|
|
return 0;
|
2016-02-23 16:01:01 +08:00
|
|
|
# endif
|
2016-02-09 19:26:14 +08:00
|
|
|
# endif
|
|
|
|
if (opts & (OPENSSL_INIT_ENGINE_ALL_BUILTIN
|
2016-08-17 21:06:23 +08:00
|
|
|
| OPENSSL_INIT_ENGINE_OPENSSL
|
2016-02-23 16:01:01 +08:00
|
|
|
| OPENSSL_INIT_ENGINE_AFALG)) {
|
2016-02-09 19:26:14 +08:00
|
|
|
ENGINE_register_all_complete();
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2020-12-23 01:44:07 +08:00
|
|
|
if (!CRYPTO_atomic_or(&optsdone, opts, &tmp, init_lock))
|
|
|
|
return 0;
|
|
|
|
|
2016-02-10 21:59:15 +08:00
|
|
|
return 1;
|
2016-02-09 19:26:14 +08:00
|
|
|
}
|
|
|
|
|
2016-02-10 00:52:40 +08:00
|
|
|
int OPENSSL_atexit(void (*handler)(void))
|
2016-02-09 19:26:14 +08:00
|
|
|
{
|
|
|
|
OPENSSL_INIT_STOP *newhand;
|
|
|
|
|
2019-03-31 22:15:02 +08:00
|
|
|
#if !defined(OPENSSL_USE_NODELETE)\
|
2018-11-16 22:05:14 +08:00
|
|
|
&& !defined(OPENSSL_NO_PINSHARED)
|
2016-10-18 21:13:25 +08:00
|
|
|
{
|
|
|
|
union {
|
|
|
|
void *sym;
|
|
|
|
void (*func)(void);
|
|
|
|
} handlersym;
|
|
|
|
|
|
|
|
handlersym.func = handler;
|
2019-03-27 16:30:47 +08:00
|
|
|
# if defined(DSO_WIN32) && !defined(_WIN32_WCE)
|
2016-10-28 18:03:22 +08:00
|
|
|
{
|
|
|
|
HMODULE handle = NULL;
|
|
|
|
BOOL ret;
|
2016-10-18 21:13:25 +08:00
|
|
|
|
2016-10-28 18:03:22 +08:00
|
|
|
/*
|
|
|
|
* 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;
|
|
|
|
}
|
2019-03-31 22:15:02 +08:00
|
|
|
# elif !defined(DSO_NONE)
|
2016-10-28 18:03:22 +08:00
|
|
|
/*
|
|
|
|
* 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
|
2017-08-04 13:10:41 +08:00
|
|
|
* unnecessary.
|
2016-10-28 18:03:22 +08:00
|
|
|
*/
|
|
|
|
{
|
|
|
|
DSO *dso = NULL;
|
|
|
|
|
2017-05-04 19:51:18 +08:00
|
|
|
ERR_set_mark();
|
2016-10-28 18:03:22 +08:00
|
|
|
dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
|
2018-03-20 01:37:46 +08:00
|
|
|
/* See same code above in ossl_init_base() for an explanation. */
|
2018-12-13 07:32:57 +08:00
|
|
|
OSSL_TRACE1(INIT,
|
|
|
|
"atexit: obtained DSO reference? %s\n",
|
|
|
|
(dso == NULL ? "No!" : "Yes."));
|
2016-10-28 18:03:22 +08:00
|
|
|
DSO_free(dso);
|
2017-05-04 19:51:18 +08:00
|
|
|
ERR_pop_to_mark();
|
2016-10-28 18:03:22 +08:00
|
|
|
}
|
|
|
|
# endif
|
2016-10-18 21:13:25 +08:00
|
|
|
}
|
2016-10-18 22:11:57 +08:00
|
|
|
#endif
|
2016-10-18 21:13:25 +08:00
|
|
|
|
2018-04-03 23:31:16 +08:00
|
|
|
if ((newhand = OPENSSL_malloc(sizeof(*newhand))) == NULL) {
|
2020-11-04 19:23:19 +08:00
|
|
|
ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE);
|
2016-02-09 19:26:14 +08:00
|
|
|
return 0;
|
2018-04-03 23:31:16 +08:00
|
|
|
}
|
2016-02-09 19:26:14 +08:00
|
|
|
|
|
|
|
newhand->handler = handler;
|
|
|
|
newhand->next = stop_handlers;
|
|
|
|
stop_handlers = newhand;
|
|
|
|
|
|
|
|
return 1;
|
|
|
|
}
|
2017-06-23 02:00:06 +08:00
|
|
|
|