mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
b1f1e7aeba
The init code was using its own "once" implementation. Now that we have the new thread API we should use that instead. Reviewed-by: Richard Levitte <levitte@openssl.org>
264 lines
8.6 KiB
C
264 lines
8.6 KiB
C
/*
|
|
* 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 "e_os.h"
|
|
|
|
#include <internal/threads.h>
|
|
#include <openssl/crypto.h>
|
|
#include <openssl/evp.h>
|
|
#include <assert.h>
|
|
#include "ssl_locl.h"
|
|
|
|
static int stopped;
|
|
|
|
static void ssl_library_stop(void);
|
|
|
|
static CRYPTO_ONCE ssl_base = CRYPTO_ONCE_STATIC_INIT;
|
|
static int ssl_base_inited = 0;
|
|
static void ossl_init_ssl_base(void)
|
|
{
|
|
#ifdef OPENSSL_INIT_DEBUG
|
|
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
|
"Adding SSL ciphers and digests\n");
|
|
#endif
|
|
#ifndef OPENSSL_NO_DES
|
|
EVP_add_cipher(EVP_des_cbc());
|
|
EVP_add_cipher(EVP_des_ede3_cbc());
|
|
#endif
|
|
#ifndef OPENSSL_NO_IDEA
|
|
EVP_add_cipher(EVP_idea_cbc());
|
|
#endif
|
|
#ifndef OPENSSL_NO_RC4
|
|
EVP_add_cipher(EVP_rc4());
|
|
# ifndef OPENSSL_NO_MD5
|
|
EVP_add_cipher(EVP_rc4_hmac_md5());
|
|
# endif
|
|
#endif
|
|
#ifndef OPENSSL_NO_RC2
|
|
EVP_add_cipher(EVP_rc2_cbc());
|
|
/*
|
|
* Not actually used for SSL/TLS but this makes PKCS#12 work if an
|
|
* application only calls SSL_library_init().
|
|
*/
|
|
EVP_add_cipher(EVP_rc2_40_cbc());
|
|
#endif
|
|
#ifndef OPENSSL_NO_AES
|
|
EVP_add_cipher(EVP_aes_128_cbc());
|
|
EVP_add_cipher(EVP_aes_192_cbc());
|
|
EVP_add_cipher(EVP_aes_256_cbc());
|
|
EVP_add_cipher(EVP_aes_128_gcm());
|
|
EVP_add_cipher(EVP_aes_256_gcm());
|
|
EVP_add_cipher(EVP_aes_128_ccm());
|
|
EVP_add_cipher(EVP_aes_256_ccm());
|
|
EVP_add_cipher(EVP_aes_128_cbc_hmac_sha1());
|
|
EVP_add_cipher(EVP_aes_256_cbc_hmac_sha1());
|
|
EVP_add_cipher(EVP_aes_128_cbc_hmac_sha256());
|
|
EVP_add_cipher(EVP_aes_256_cbc_hmac_sha256());
|
|
#endif
|
|
#ifndef OPENSSL_NO_CAMELLIA
|
|
EVP_add_cipher(EVP_camellia_128_cbc());
|
|
EVP_add_cipher(EVP_camellia_256_cbc());
|
|
#endif
|
|
#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
|
|
EVP_add_cipher(EVP_chacha20_poly1305());
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_SEED
|
|
EVP_add_cipher(EVP_seed_cbc());
|
|
#endif
|
|
|
|
#ifndef OPENSSL_NO_MD5
|
|
EVP_add_digest(EVP_md5());
|
|
EVP_add_digest_alias(SN_md5, "ssl3-md5");
|
|
# ifndef OPENSSL_NO_SHA
|
|
EVP_add_digest(EVP_md5_sha1());
|
|
# endif
|
|
#endif
|
|
EVP_add_digest(EVP_sha1()); /* RSA with sha1 */
|
|
EVP_add_digest_alias(SN_sha1, "ssl3-sha1");
|
|
EVP_add_digest_alias(SN_sha1WithRSAEncryption, SN_sha1WithRSA);
|
|
EVP_add_digest(EVP_sha224());
|
|
EVP_add_digest(EVP_sha256());
|
|
EVP_add_digest(EVP_sha384());
|
|
EVP_add_digest(EVP_sha512());
|
|
#ifndef OPENSSL_NO_COMP
|
|
#ifdef OPENSSL_INIT_DEBUG
|
|
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
|
"SSL_COMP_get_compression_methods()\n");
|
|
#endif
|
|
/*
|
|
* This will initialise the built-in compression algorithms. The value
|
|
* returned is a STACK_OF(SSL_COMP), but that can be discarded safely
|
|
*/
|
|
SSL_COMP_get_compression_methods();
|
|
#endif
|
|
/* initialize cipher/digest methods table */
|
|
ssl_load_ciphers();
|
|
|
|
#ifdef OPENSSL_INIT_DEBUG
|
|
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
|
|
"SSL_add_ssl_module()\n");
|
|
#endif
|
|
SSL_add_ssl_module();
|
|
/*
|
|
* We ignore an error return here. Not much we can do - but not that bad
|
|
* either. We can still safely continue.
|
|
*/
|
|
OPENSSL_atexit(ssl_library_stop);
|
|
ssl_base_inited = 1;
|
|
}
|
|
|
|
static CRYPTO_ONCE ssl_strings = CRYPTO_ONCE_STATIC_INIT;
|
|
static int ssl_strings_inited = 0;
|
|
static void ossl_init_load_ssl_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_ssl_strings: "
|
|
"ERR_load_SSL_strings()\n");
|
|
# endif
|
|
ERR_load_SSL_strings();
|
|
#endif
|
|
ssl_strings_inited = 1;
|
|
}
|
|
|
|
static void ossl_init_no_load_ssl_strings(void)
|
|
{
|
|
/* Do nothing in this case */
|
|
return;
|
|
}
|
|
|
|
static void ssl_library_stop(void)
|
|
{
|
|
/* Might be explicitly called and also by atexit */
|
|
if (stopped)
|
|
return;
|
|
stopped = 1;
|
|
|
|
if (ssl_base_inited) {
|
|
#ifndef OPENSSL_NO_COMP
|
|
#ifdef OPENSSL_INIT_DEBUG
|
|
fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
|
|
"SSL_COMP_free_compression_methods()\n");
|
|
#endif
|
|
SSL_COMP_free_compression_methods();
|
|
#endif
|
|
}
|
|
|
|
if (ssl_strings_inited) {
|
|
#ifdef OPENSSL_INIT_DEBUG
|
|
fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
|
|
"ERR_free_strings()\n");
|
|
#endif
|
|
/*
|
|
* If both crypto and ssl error strings are inited we will end up
|
|
* calling ERR_free_strings() twice - but that's ok. The second time
|
|
* will be a no-op. It's easier to do that than to try and track
|
|
* between the two libraries whether they have both been inited.
|
|
*/
|
|
ERR_free_strings();
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* 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.
|
|
*/
|
|
int OPENSSL_init_ssl(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;
|
|
SSLerr(SSL_F_OPENSSL_INIT_SSL, ERR_R_INIT_FAIL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (!OPENSSL_init_crypto(opts | OPENSSL_INIT_ADD_ALL_CIPHERS
|
|
| OPENSSL_INIT_ADD_ALL_DIGESTS, settings))
|
|
return 0;
|
|
|
|
if (!CRYPTO_THREAD_run_once(&ssl_base, ossl_init_ssl_base))
|
|
return 0;
|
|
|
|
if ((opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
|
|
&& !CRYPTO_THREAD_run_once(&ssl_strings,
|
|
ossl_init_no_load_ssl_strings))
|
|
return 0;
|
|
|
|
if ((opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
|
|
&& !CRYPTO_THREAD_run_once(&ssl_strings,
|
|
ossl_init_load_ssl_strings))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|
|
|