/*
- * Written by Matt Caswell for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2016 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include "e_os.h"
+#include "internal/err.h"
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <assert.h>
#include "ssl_locl.h"
+#include "internal/thread_once.h"
static int stopped;
-/* Implement "once" functionality */
-#if !defined(OPENSSL_THREADS)
-typedef int OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT 0
-
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- if (*once == OPENSSL_INIT_ONCE_STATIC_INIT) {
- *once = 1;
- init();
- }
-}
-#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 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
-
-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
-#else /* pthreads */
-# include <pthread.h>
-
-typedef pthread_once_t OPENSSL_INIT_ONCE;
-# define OPENSSL_INIT_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
-
-static void ossl_init_once_run(OPENSSL_INIT_ONCE *once, void (*init)(void))
-{
- pthread_once(once, init);
-}
-#endif
-
static void ssl_library_stop(void);
-static OPENSSL_INIT_ONCE ssl_base = OPENSSL_INIT_ONCE_STATIC_INIT;
+static CRYPTO_ONCE ssl_base = CRYPTO_ONCE_STATIC_INIT;
static int ssl_base_inited = 0;
-static void ossl_init_ssl_base(void)
+DEFINE_RUN_ONCE_STATIC(ossl_init_ssl_base)
{
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
- "Adding SSL ciphers and digests\n");
+ "Adding SSL ciphers and digests\n");
#endif
#ifndef OPENSSL_NO_DES
EVP_add_cipher(EVP_des_cbc());
*/
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_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());
#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(EVP_sha384());
EVP_add_digest(EVP_sha512());
#ifndef OPENSSL_NO_COMP
-#ifdef OPENSSL_INIT_DEBUG
+# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
- "SSL_COMP_get_compression_methods()\n");
-#endif
+ "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
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ossl_init_ssl_base: "
- "SSL_add_ssl_module()\n");
+ "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_INIT_register_stop_handler(ssl_library_stop);
+ OPENSSL_atexit(ssl_library_stop);
ssl_base_inited = 1;
+ return 1;
}
-static OPENSSL_INIT_ONCE ssl_strings = OPENSSL_INIT_ONCE_STATIC_INIT;
+static CRYPTO_ONCE ssl_strings = CRYPTO_ONCE_STATIC_INIT;
static int ssl_strings_inited = 0;
-static void ossl_init_load_ssl_strings(void)
+DEFINE_RUN_ONCE_STATIC(ossl_init_load_ssl_strings)
{
/*
* OPENSSL_NO_AUTOERRINIT is provided here to prevent at compile time
*/
#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");
+ fprintf(stderr, "OPENSSL_INIT: ossl_init_load_ssl_strings: "
+ "ERR_load_SSL_strings()\n");
# endif
ERR_load_SSL_strings();
#endif
ssl_strings_inited = 1;
+ return 1;
}
-static void ossl_init_no_load_ssl_strings(void)
+DEFINE_RUN_ONCE_STATIC(ossl_init_no_load_ssl_strings)
{
/* Do nothing in this case */
- return;
+ return 1;
}
static void ssl_library_stop(void)
if (ssl_base_inited) {
#ifndef OPENSSL_NO_COMP
-#ifdef OPENSSL_INIT_DEBUG
+# ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
- "SSL_COMP_free_compression_methods()\n");
-#endif
- SSL_COMP_free_compression_methods();
+ "ssl_comp_free_compression_methods_int()\n");
+# endif
+ ssl_comp_free_compression_methods_int();
#endif
}
if (ssl_strings_inited) {
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: ssl_library_stop: "
- "ERR_free_strings()\n");
+ "err_free_strings_int()\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
+ * calling err_free_strings_int() 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();
+ err_free_strings_int();
}
}
* 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_ssl_library_start(uint64_t opts,
- const OPENSSL_INIT_SETTINGS *settings)
+int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS * settings)
{
- /* XXX TODO WARNING To be updated to return a value not assert. */
- assert(!stopped);
+ 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;
+ }
- OPENSSL_INIT_crypto_library_start(opts | OPENSSL_INIT_ADD_ALL_CIPHERS
- | OPENSSL_INIT_ADD_ALL_DIGESTS, settings);
+ if (!OPENSSL_init_crypto(opts | OPENSSL_INIT_ADD_ALL_CIPHERS
+ | OPENSSL_INIT_ADD_ALL_DIGESTS, settings))
+ return 0;
- ossl_init_once_run(&ssl_base, ossl_init_ssl_base);
+ if (!RUN_ONCE(&ssl_base, ossl_init_ssl_base))
+ return 0;
- if (opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
- ossl_init_once_run(&ssl_strings, ossl_init_no_load_ssl_strings);
+ if ((opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
+ && !RUN_ONCE(&ssl_strings, ossl_init_no_load_ssl_strings))
+ return 0;
- if (opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
- ossl_init_once_run(&ssl_strings, ossl_init_load_ssl_strings);
-}
+ if ((opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
+ && !RUN_ONCE(&ssl_strings, ossl_init_load_ssl_strings))
+ return 0;
+ return 1;
+}