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/*
* 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).
*
*/
#include <internal/threads.h>
#include <internal/cryptlib_int.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/evp.h>
#include <internal/evp_int.h>
#include <internal/conf.h>
#include <internal/async.h>
#ifndef OPENSSL_NO_ENGINE
#include <internal/engine.h>
#endif
#include <openssl/comp.h>
#include <internal/err.h>
#include <stdlib.h>
#include <assert.h>
static int stopped = 0;
static void ossl_init_thread_stop(struct thread_local_inits_st *locals);
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 struct thread_local_inits_st *ossl_init_get_thread_local(int alloc)
{
struct thread_local_inits_st *local =
CRYPTO_THREAD_get_local(&threadstopkey);
if (local == NULL && alloc) {
local = OPENSSL_zalloc(sizeof *local);
CRYPTO_THREAD_set_local(&threadstopkey, local);
}
if (!alloc) {
CRYPTO_THREAD_set_local(&threadstopkey, NULL);
}
return local;
}
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 CRYPTO_ONCE base = CRYPTO_ONCE_STATIC_INIT;
static int base_inited = 0;
static void ossl_init_base(void)
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_base: Setting up stop handlers\n");
#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
init_lock = CRYPTO_THREAD_lock_new();
OPENSSL_cpuid_setup();
base_inited = 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)
{
/* Do nothing in this case */
return;
}
static void ossl_init_load_crypto_strings(void)
{
/*
* 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");
# endif
err_load_crypto_strings_intern();
#endif
load_crypto_strings_inited = 1;
}
static CRYPTO_ONCE add_all_ciphers = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_add_all_ciphers(void)
{
/*
* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
* pulling in all the ciphers during static linking
*/
#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
# endif
#endif
}
static CRYPTO_ONCE add_all_digests = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_add_all_digests(void)
{
/*
* OPENSSL_NO_AUTOALGINIT is provided here to prevent at compile time
* pulling in all the ciphers during static linking
*/
#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
# endif
#endif
}
static void ossl_init_no_add_algs(void)
{
/* Do nothing */
return;
}
static CRYPTO_ONCE config = CRYPTO_ONCE_STATIC_INIT;
static int config_inited = 0;
static const char *config_filename;
static void ossl_init_config(void)
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr,
"OPENSSL_INIT: ossl_init_config: openssl_config_internal(%s)\n",
config_filename==NULL?"NULL":config_filename);
#endif
openssl_config_internal(config_filename);
config_inited = 1;
}
static void ossl_init_no_config(void)
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr,
"OPENSSL_INIT: ossl_init_config: openssl_no_config_internal()\n");
#endif
openssl_no_config_internal();
config_inited = 1;
}
#ifndef OPENSSL_NO_ASYNC
static CRYPTO_ONCE async = CRYPTO_ONCE_STATIC_INIT;
static int async_inited = 0;
static void ossl_init_async(void)
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_async: async_init()\n");
#endif
async_init();
async_inited = 1;
}
#endif
#ifndef OPENSSL_NO_ENGINE
static CRYPTO_ONCE engine_openssl = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_engine_openssl(void)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_openssl: "
"engine_load_openssl_internal()\n");
# endif
engine_load_openssl_internal();
}
# if !defined(OPENSSL_NO_HW) && \
(defined(__OpenBSD__) || defined(__FreeBSD__) || defined(HAVE_CRYPTODEV))
static CRYPTO_ONCE engine_cryptodev = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_engine_cryptodev(void)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_cryptodev: "
"engine_load_cryptodev_internal()\n");
# endif
engine_load_cryptodev_internal();
}
# endif
# ifndef OPENSSL_NO_RDRAND
static CRYPTO_ONCE engine_rdrand = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_engine_rdrand(void)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_rdrand: "
"engine_load_rdrand_internal()\n");
# endif
engine_load_rdrand_internal();
}
# endif
static CRYPTO_ONCE engine_dynamic = CRYPTO_ONCE_STATIC_INIT;
static void ossl_init_engine_dynamic(void)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_dynamic: "
"engine_load_dynamic_internal()\n");
# endif
engine_load_dynamic_internal();
}
# 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)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_padlock: "
"engine_load_padlock_internal()\n");
# endif
engine_load_padlock_internal();
}
# 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)
{
# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_engine_capi: "
"engine_load_capi_internal()\n");
# endif
engine_load_capi_internal();
}
# 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();
}
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