/*
- * 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 2016-2018 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 <internal/cryptlib_int.h>
+#include "e_os.h"
+#include "internal/cryptlib_int.h"
#include <openssl/err.h>
+#include "internal/rand_int.h"
+#include "internal/bio.h"
#include <openssl/evp.h>
-#include <internal/evp_int.h>
-#include <internal/conf.h>
-#include <internal/async.h>
-#include <internal/engine.h>
-#include <openssl/comp.h>
-#include <internal/err.h>
+#include "internal/evp_int.h"
+#include "internal/conf.h"
+#include "internal/async.h"
+#include "internal/engine.h"
+#include "internal/comp.h"
+#include "internal/err.h"
+#include "internal/err_int.h"
+#include "internal/objects.h"
#include <stdlib.h>
+#include <assert.h>
+#include "internal/thread_once.h"
+#include "internal/dso.h"
+#include "internal/store.h"
-static void ossl_init_thread_stop(struct thread_local_inits_st *locals);
-
-/* Implement "once" functionality */
-#if !defined(OPENSSL_THREADS)
-typedef int OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT 0
-# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0)
-
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- if (*once == OPENSSL_INIT_ONCE_STATIC_INIT) {
- *once = 1;
- init();
- }
-}
-
-static int ossl_init_setup_thread_stop(void)
-{
- /*
- * There are no threads to stop. Do nothing.
- */
- return 1;
-}
-
-static void ossl_init_thread_stop_cleanup(void)
-{
-}
-
-static struct thread_local_inits_st *local = NULL;
-static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)
-{
- static struct thread_local_inits_st *tmp;
-
- tmp = local;
-
- if (local == NULL && alloc)
- tmp = local = OPENSSL_zalloc(sizeof(*local));
-
- if (!alloc)
- local = NULL;
+static int stopped = 0;
- return tmp;
-}
-
-#elif defined(OPENSSL_SYS_WINDOWS)
-
-# include <windows.h>
-
-# if _WIN32_WINNT < 0x0600
-
-/*
- * Versions before 0x0600 (Windows Vista, Windows Server 2008 or later) do not
- * have InitOnceExecuteOnce, so we fall back to using a spinlock instead.
- */
-typedef LONG OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT 0
-# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = 0)
-
-# define ONCE_UNINITED 0
-# define ONCE_ININIT 1
-# define ONCE_DONE 2
-
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- LONG volatile *lock = (LONG *)once;
- LONG result;
-
- if (*lock == ONCE_DONE)
- return;
-
- do {
- result = InterlockedCompareExchange(lock, ONCE_ININIT, ONCE_UNINITED);
- if (result == ONCE_UNINITED) {
- init();
- *lock = ONCE_DONE;
- return;
- }
- } while (result == ONCE_ININIT);
-}
-
-# else
-
-typedef INIT_ONCE OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT INIT_ONCE_STATIC_INIT
-# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) \
- InitOnceInitialize((PINIT_ONCE)(once))
-
-static BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID initfp, PVOID *unused)
-{
- void (*init)(void) = initfp;
-
- init();
-
- return TRUE;
-}
-
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- InitOnceExecuteOnce((INIT_ONCE *)once, once_cb, init, NULL);
-}
-# endif
-
-static DWORD threadstopkey = TLS_OUT_OF_INDEXES;
-
-static int ossl_init_setup_thread_stop(void)
-{
- /*
- * We use a dummy thread local key here. We use the destructor to detect
- * when the thread is going to stop
- */
- threadstopkey = TlsAlloc();
- if (threadstopkey == TLS_OUT_OF_INDEXES)
- return 0;
-
- return 1;
-}
-
-static void ossl_init_thread_stop_cleanup(void)
-{
- if (threadstopkey != TLS_OUT_OF_INDEXES) {
- TlsFree(threadstopkey);
- }
-}
-
-static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)
-{
- struct thread_local_inits_st *local = TlsGetValue(threadstopkey);
-
- if (local == NULL && alloc) {
- local = OPENSSL_zalloc(sizeof *local);
- TlsSetValue(threadstopkey, local);
- }
- if (!alloc) {
- TlsSetValue(threadstopkey, NULL);
- }
-
- return local;
-}
-
-#else /* pthreads */
-# include <pthread.h>
-
-static pthread_key_t threadstopkey;
-
-typedef pthread_once_t OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
-# define OPENSSL_INIT_ONCE_DYNAMIC_INIT(once) (*(once) = PTHREAD_ONCE_INIT)
+static void ossl_init_thread_stop(struct thread_local_inits_st *locals);
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- pthread_once(once, init);
-}
+static CRYPTO_THREAD_LOCAL threadstopkey;
static void ossl_init_thread_stop_wrap(void *local)
{
ossl_init_thread_stop((struct thread_local_inits_st *)local);
}
-static int ossl_init_setup_thread_stop(void)
-{
- /*
- * We use a dummy thread local key here. We use the destructor to detect
- * when the thread is going to stop
- */
- return (pthread_key_create(&threadstopkey,
- ossl_init_thread_stop_wrap) == 0);
-}
-
-static void ossl_init_thread_stop_cleanup(void)
-{
-}
-
static struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)
{
- struct thread_local_inits_st *local = pthread_getspecific(threadstopkey);
+ struct thread_local_inits_st *local =
+ CRYPTO_THREAD_get_local(&threadstopkey);
if (local == NULL && alloc) {
- local = OPENSSL_zalloc(sizeof *local);
- pthread_setspecific(threadstopkey, local);
+ local = OPENSSL_zalloc(sizeof(*local));
+ if (local != NULL && !CRYPTO_THREAD_set_local(&threadstopkey, local)) {
+ OPENSSL_free(local);
+ return NULL;
+ }
}
if (!alloc) {
- pthread_setspecific(threadstopkey, NULL);
+ CRYPTO_THREAD_set_local(&threadstopkey, NULL);
}
return local;
}
-#endif
-
+typedef struct ossl_init_stop_st OPENSSL_INIT_STOP;
struct ossl_init_stop_st {
void (*handler)(void);
OPENSSL_INIT_STOP *next;
};
static OPENSSL_INIT_STOP *stop_handlers = NULL;
+static CRYPTO_RWLOCK *init_lock = NULL;
-static OPENSSL_INIT_ONCE base = OPENSSL_INIT_ONCE_STATIC_INIT;
+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");
#endif
- ossl_init_setup_thread_stop();
- atexit(OPENSSL_INIT_library_stop);
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ ossl_malloc_setup_failures();
+#endif
+ /*
+ * We use a dummy thread local key here. We use the destructor to detect
+ * when the thread is going to stop (where that feature is available)
+ */
+ CRYPTO_THREAD_init_local(&threadstopkey, ossl_init_thread_stop_wrap);
+#ifndef OPENSSL_SYS_UEFI
+ atexit(OPENSSL_cleanup);
+#endif
+ 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 at process exit.
+ */
+ {
+ DSO *dso = NULL;
+
+ ERR_set_mark();
+ dso = DSO_dsobyaddr(&base_inited, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ DSO_free(dso);
+ ERR_pop_to_mark();
+ }
+# endif
+#endif
+
+ return 1;
}
-static OPENSSL_INIT_ONCE load_crypto_strings = OPENSSL_INIT_ONCE_STATIC_INIT;
+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
#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 OPENSSL_INIT_ONCE add_all_ciphers = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_add_all_ciphers(void)
+static CRYPTO_ONCE add_all_ciphers = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_ciphers)
{
/*
* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
#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 OPENSSL_INIT_ONCE add_all_digests = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_add_all_digests(void)
+static CRYPTO_ONCE add_all_digests = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_add_all_digests)
{
/*
* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
#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 OPENSSL_INIT_ONCE config = OPENSSL_INIT_ONCE_STATIC_INIT;
+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;
}
-static OPENSSL_INIT_ONCE async = OPENSSL_INIT_ONCE_STATIC_INIT;
+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;
}
#ifndef OPENSSL_NO_ENGINE
-static int engine_inited = 0;
-static OPENSSL_INIT_ONCE engine_openssl = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_openssl(void)
+static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
+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_inited = 1;
+ engine_load_openssl_int();
+ return 1;
}
-# if !defined(OPENSSL_NO_HW) && \
- (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV))
-static OPENSSL_INIT_ONCE engine_cryptodev = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_cryptodev(void)
+# ifndef OPENSSL_NO_DEVCRYPTOENG
+static CRYPTO_ONCE engine_devcrypto = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_engine_devcrypto)
{
# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: "
- "engine_load_cryptodev_internal()\n");
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_devcrypto: "
+ "engine_load_devcrypto_int()\n");
# endif
- engine_load_cryptodev_internal();
- engine_inited = 1;
+ engine_load_devcrypto_int();
+ return 1;
}
# endif
# ifndef OPENSSL_NO_RDRAND
-static OPENSSL_INIT_ONCE engine_rdrand = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_rdrand(void)
+static CRYPTO_ONCE engine_rdrand = CRYPTO_ONCE_STATIC_INIT;
+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_inited = 1;
+ engine_load_rdrand_int();
+ return 1;
}
# endif
-static OPENSSL_INIT_ONCE engine_dynamic = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_dynamic(void)
+static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT;
+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_inited = 1;
+ engine_load_dynamic_int();
+ return 1;
}
# ifndef OPENSSL_NO_STATIC_ENGINE
# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
-static OPENSSL_INIT_ONCE engine_padlock = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_padlock(void)
+static CRYPTO_ONCE engine_padlock = CRYPTO_ONCE_STATIC_INIT;
+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_inited = 1;
+ engine_load_padlock_int();
+ return 1;
}
# endif
# if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
-static OPENSSL_INIT_ONCE engine_capi = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_capi(void)
+static CRYPTO_ONCE engine_capi = CRYPTO_ONCE_STATIC_INIT;
+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_inited = 1;
+ engine_load_capi_int();
+ return 1;
}
# endif
-static OPENSSL_INIT_ONCE engine_dasync = OPENSSL_INIT_ONCE_STATIC_INIT;
-static void ossl_init_engine_dasync(void)
+# if !defined(OPENSSL_NO_AFALGENG)
+static CRYPTO_ONCE engine_afalg = CRYPTO_ONCE_STATIC_INIT;
+DEFINE_RUN_ONCE_STATIC(ossl_init_engine_afalg)
{
-# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dasync: "
- "engine_load_dasync_internal()\n");
-# endif
- engine_load_dasync_internal();
- engine_inited = 1;
+# ifdef OPENSSL_INIT_DEBUG
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_afalg: "
+ "engine_load_afalg_int()\n");
+# endif
+ engine_load_afalg_int();
+ return 1;
}
+# endif
# endif
#endif
-static OPENSSL_INIT_ONCE zlib = OPENSSL_INIT_ONCE_STATIC_INIT;
+#ifndef OPENSSL_NO_COMP
+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
static void ossl_init_thread_stop(struct thread_local_inits_st *locals)
{
if (locals->err_state) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_thread_stop: "
- "ERR_remove_thread_state(NULL)\n");
+ "err_delete_thread_state()\n");
#endif
- ERR_remove_thread_state(NULL);
+ err_delete_thread_state();
}
OPENSSL_free(locals);
- ossl_init_thread_stop_cleanup();
}
-void OPENSSL_INIT_thread_stop(void)
+void OPENSSL_thread_stop(void)
{
ossl_init_thread_stop(
(struct thread_local_inits_st *)ossl_init_get_thread_local(0));
int ossl_init_thread_start(uint64_t opts)
{
- struct thread_local_inits_st *locals = ossl_init_get_thread_local(1);
+ struct thread_local_inits_st *locals;
+
+ if (!OPENSSL_init_crypto(0, NULL))
+ return 0;
+
+ locals = ossl_init_get_thread_local(1);
if (locals == NULL)
return 0;
return 1;
}
-void OPENSSL_INIT_library_stop(void)
+void OPENSSL_cleanup(void)
{
OPENSSL_INIT_STOP *currhandler, *lasthandler;
if (!base_inited)
return;
+ /* Might be explicitly called and also by atexit */
+ if (stopped)
+ return;
+ stopped = 1;
+
/*
* Thread stop may not get automatically called by the thread library for
* the very last thread in some situations, so call it directly.
OPENSSL_free(lasthandler);
}
stop_handlers = NULL;
+
+ CRYPTO_THREAD_lock_free(init_lock);
+ init_lock = NULL;
+
/*
* We assume we are single-threaded for this function, i.e. no race
* conditions for the various "*_inited" vars below.
*/
+#ifndef OPENSSL_NO_COMP
if (zlib_inited) {
#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "COMP_zlib_cleanup()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "comp_zlib_cleanup_int()\n");
#endif
- COMP_zlib_cleanup();
- zlib_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&zlib);
+ comp_zlib_cleanup_int();
}
+#endif
-#ifndef OPENSSL_NO_ENGINE
- if (engine_inited) {
+ if (async_inited) {
# ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "ENGINE_cleanup()\n");
-# endif
- ENGINE_cleanup();
- engine_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_openssl);
-# if !defined(OPENSSL_NO_HW) && \
- (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV))
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_cryptodev);
-# endif
-# ifndef OPENSSL_NO_RDRAND
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_rdrand);
-# endif
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dynamic);
-# ifndef OPENSSL_NO_STATIC_ENGINE
-# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_PADLOCK)
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_padlock);
-# endif
-# if defined(OPENSSL_SYS_WIN32) && !defined(OPENSSL_NO_CAPIENG)
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_capi);
-# endif
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&engine_dasync);
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "async_deinit()\n");
# endif
+ async_deinit();
}
-#endif
-
- async_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&async);
-
- config_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&config);
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_ciphers);
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&add_all_digests);
if (load_crypto_strings_inited) {
#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "ERR_free_strings()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "err_free_strings_int()\n");
#endif
- ERR_free_strings();
- load_crypto_strings_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&load_crypto_strings);
+ err_free_strings_int();
}
+ CRYPTO_THREAD_cleanup_local(&threadstopkey);
+
#ifdef OPENSSL_INIT_DEBUG
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "CRYPTO_cleanup_all_ex_data()\n");
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "EVP_cleanup()\n");
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "CONF_modules_free()\n");
- fprintf(stderr, "OPENSSL_INIT: OPENSSL_INIT_library_stop: "
- "RAND_cleanup()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "rand_cleanup_int()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "conf_modules_free_int()\n");
+#ifndef OPENSSL_NO_ENGINE
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "engine_cleanup_int()\n");
#endif
- CRYPTO_cleanup_all_ex_data();
- EVP_cleanup();
- CONF_modules_free();
- RAND_cleanup();
- base_inited = 0;
- OPENSSL_INIT_ONCE_DYNAMIC_INIT(&base);
-}
-
-static const OPENSSL_INIT_SETTINGS *ossl_init_get_setting(
- const OPENSSL_INIT_SETTINGS *settings, int name)
-{
- if (settings == NULL)
- return NULL;
-
- while (settings->name != OPENSSL_INIT_SET_END) {
- if (settings->name == name)
- return settings;
- settings++;
- }
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "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: "
+ "evp_cleanup_int()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "obj_cleanup_int()\n");
+ fprintf(stderr, "OPENSSL_INIT: OPENSSL_cleanup: "
+ "err_cleanup()\n");
+#endif
+ /*
+ * Note that cleanup order is important:
+ * - 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_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_int();
+ rand_drbg_cleanup_int();
+ conf_modules_free_int();
+#ifndef OPENSSL_NO_ENGINE
+ engine_cleanup_int();
+#endif
+ ossl_store_cleanup_int();
+ crypto_cleanup_all_ex_data_int();
+ bio_cleanup();
+ evp_cleanup_int();
+ obj_cleanup_int();
+ err_cleanup();
- return NULL;
+ base_inited = 0;
}
/*
* 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.
*/
-void OPENSSL_INIT_crypto_library_start(uint64_t opts,
- const OPENSSL_INIT_SETTINGS *settings)
-{
- ossl_init_once_run(&base, ossl_init_base);
+int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
+{
+ static int stoperrset = 0;
+
+ if (stopped) {
+ if (!stoperrset) {
+ /*
+ * We only ever set this once to avoid getting into an infinite
+ * loop where the error system keeps trying to init and fails so
+ * sets an error etc
+ */
+ stoperrset = 1;
+ CRYPTOerr(CRYPTO_F_OPENSSL_INIT_CRYPTO, ERR_R_INIT_FAIL);
+ }
+ return 0;
+ }
- if (opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
- ossl_init_once_run(&load_crypto_strings,
- ossl_init_no_load_crypto_strings);
+ if (!base_inited && !RUN_ONCE(&base, ossl_init_base))
+ return 0;
- if (opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
- ossl_init_once_run(&load_crypto_strings, ossl_init_load_crypto_strings);
+ if ((opts & OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS)
+ && !RUN_ONCE(&load_crypto_strings,
+ ossl_init_no_load_crypto_strings))
+ return 0;
- if (opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS)
- ossl_init_once_run(&add_all_ciphers, ossl_init_no_add_algs);
+ if ((opts & OPENSSL_INIT_LOAD_CRYPTO_STRINGS)
+ && !RUN_ONCE(&load_crypto_strings, ossl_init_load_crypto_strings))
+ return 0;
- if (opts & OPENSSL_INIT_ADD_ALL_CIPHERS)
- ossl_init_once_run(&add_all_ciphers, ossl_init_add_all_ciphers);
+ if ((opts & OPENSSL_INIT_NO_ADD_ALL_CIPHERS)
+ && !RUN_ONCE(&add_all_ciphers, ossl_init_no_add_algs))
+ return 0;
- if (opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS)
- ossl_init_once_run(&add_all_digests, ossl_init_no_add_algs);
+ if ((opts & OPENSSL_INIT_ADD_ALL_CIPHERS)
+ && !RUN_ONCE(&add_all_ciphers, ossl_init_add_all_ciphers))
+ return 0;
- if (opts & OPENSSL_INIT_ADD_ALL_DIGESTS)
- ossl_init_once_run(&add_all_digests, ossl_init_add_all_digests);
+ if ((opts & OPENSSL_INIT_NO_ADD_ALL_DIGESTS)
+ && !RUN_ONCE(&add_all_digests, ossl_init_no_add_algs))
+ return 0;
- if (opts & OPENSSL_INIT_NO_LOAD_CONFIG) {
- ossl_init_once_run(&config, ossl_init_no_config);
- }
+ if ((opts & OPENSSL_INIT_ADD_ALL_DIGESTS)
+ && !RUN_ONCE(&add_all_digests, ossl_init_add_all_digests))
+ return 0;
+
+ if ((opts & OPENSSL_INIT_ATFORK)
+ && !openssl_init_fork_handlers())
+ return 0;
+
+ if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG)
+ && !RUN_ONCE(&config, ossl_init_no_config))
+ return 0;
if (opts & OPENSSL_INIT_LOAD_CONFIG) {
- CRYPTO_w_lock(CRYPTO_LOCK_INIT);
- if (settings != NULL) {
- const OPENSSL_INIT_SETTINGS *curr;
- curr = ossl_init_get_setting(settings,
- OPENSSL_INIT_SET_CONF_FILENAME);
- config_filename = (curr == NULL) ? NULL : curr->value.type_string;
- } else {
- config_filename = NULL;
- }
- ossl_init_once_run(&config, ossl_init_config);
- CRYPTO_w_unlock(CRYPTO_LOCK_INIT);
+ int ret;
+ CRYPTO_THREAD_write_lock(init_lock);
+ appname = (settings == NULL) ? NULL : settings->appname;
+ ret = RUN_ONCE(&config, ossl_init_config);
+ CRYPTO_THREAD_unlock(init_lock);
+ if (!ret)
+ return 0;
}
- if (opts & OPENSSL_INIT_ASYNC) {
- ossl_init_once_run(&async, ossl_init_async);
- }
+ if ((opts & OPENSSL_INIT_ASYNC)
+ && !RUN_ONCE(&async, ossl_init_async))
+ return 0;
#ifndef OPENSSL_NO_ENGINE
- if (opts & OPENSSL_INIT_ENGINE_OPENSSL) {
- ossl_init_once_run(&engine_openssl, ossl_init_engine_openssl);
- }
-# if !defined(OPENSSL_NO_HW) && \
- (defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV))
- if (opts & OPENSSL_INIT_ENGINE_CRYPTODEV) {
- ossl_init_once_run(&engine_cryptodev, ossl_init_engine_cryptodev);
- }
+ if ((opts & OPENSSL_INIT_ENGINE_OPENSSL)
+ && !RUN_ONCE(&engine_openssl, ossl_init_engine_openssl))
+ return 0;
+# if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_DEVCRYPTOENG)
+ if ((opts & OPENSSL_INIT_ENGINE_CRYPTODEV)
+ && !RUN_ONCE(&engine_devcrypto, ossl_init_engine_devcrypto))
+ return 0;
# endif
# ifndef OPENSSL_NO_RDRAND
- if (opts & OPENSSL_INIT_ENGINE_RDRAND) {
- ossl_init_once_run(&engine_rdrand, ossl_init_engine_rdrand);
- }
+ if ((opts & OPENSSL_INIT_ENGINE_RDRAND)
+ && !RUN_ONCE(&engine_rdrand, ossl_init_engine_rdrand))
+ return 0;
# endif
- if (opts & OPENSSL_INIT_ENGINE_DYNAMIC) {
- ossl_init_once_run(&engine_dynamic, ossl_init_engine_dynamic);
- }
+ if ((opts & OPENSSL_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) {
- ossl_init_once_run(&engine_padlock, ossl_init_engine_padlock);
- }
+ if ((opts & OPENSSL_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) {
- ossl_init_once_run(&engine_capi, ossl_init_engine_capi);
- }
+ if ((opts & OPENSSL_INIT_ENGINE_CAPI)
+ && !RUN_ONCE(&engine_capi, ossl_init_engine_capi))
+ return 0;
+# endif
+# if !defined(OPENSSL_NO_AFALGENG)
+ if ((opts & OPENSSL_INIT_ENGINE_AFALG)
+ && !RUN_ONCE(&engine_afalg, ossl_init_engine_afalg))
+ return 0;
# endif
- if (opts & OPENSSL_INIT_ENGINE_DASYNC) {
- ossl_init_once_run(&engine_dasync, ossl_init_engine_dasync);
- }
# 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();
}
#endif
- if (opts & OPENSSL_INIT_ZLIB) {
- ossl_init_once_run(&zlib, ossl_init_zlib);
- }
+#ifndef OPENSSL_NO_COMP
+ if ((opts & OPENSSL_INIT_ZLIB)
+ && !RUN_ONCE(&zlib, ossl_init_zlib))
+ return 0;
+#endif
+
+ return 1;
}
-int OPENSSL_INIT_register_stop_handler(void (*handler)(void))
+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
+ * unnecessary.
+ */
+ {
+ DSO *dso = NULL;
+
+ ERR_set_mark();
+ dso = DSO_dsobyaddr(handlersym.sym, DSO_FLAG_NO_UNLOAD_ON_FREE);
+ DSO_free(dso);
+ ERR_pop_to_mark();
+ }
+# endif
+ }
+#endif
+
newhand = OPENSSL_malloc(sizeof(*newhand));
if (newhand == NULL)
return 0;
return 1;
}
+#ifdef OPENSSL_SYS_UNIX
+/*
+ * The following three functions are for OpenSSL developers. This is
+ * where we set/reset state across fork (called via pthread_atfork when
+ * it exists, or manually by the application when it doesn't).
+ *
+ * WARNING! If you put code in either OPENSSL_fork_parent or
+ * OPENSSL_fork_child, you MUST MAKE SURE that they are async-signal-
+ * safe. See this link, for example:
+ * http://man7.org/linux/man-pages/man7/signal-safety.7.html
+ */
+void OPENSSL_fork_prepare(void)
+{
+}
+
+void OPENSSL_fork_parent(void)
+{
+}
+
+void OPENSSL_fork_child(void)
+{
+ rand_fork();
+}
+#endif
projects / openssl.git / blobdiff