-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2001 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 1995-2018 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 <openssl/lhash.h>
+#include "internal/thread_once.h"
/*
* Each structure type (sometimes called a class), that supports
static CRYPTO_RWLOCK *ex_data_lock = NULL;
static CRYPTO_ONCE ex_data_init = CRYPTO_ONCE_STATIC_INIT;
-static void do_ex_data_init(void)
+DEFINE_RUN_ONCE_STATIC(do_ex_data_init)
{
+ if (!OPENSSL_init_crypto(0, NULL))
+ return 0;
ex_data_lock = CRYPTO_THREAD_lock_new();
+ return ex_data_lock != NULL;
}
/*
return NULL;
}
- CRYPTO_THREAD_run_once(&ex_data_init, do_ex_data_init);
+ if (!RUN_ONCE(&ex_data_init, do_ex_data_init)) {
+ CRYPTOerr(CRYPTO_F_GET_AND_LOCK, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
if (ex_data_lock == NULL) {
/*
{
}
-static int dummy_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
+static int dummy_dup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
void *from_d, int idx,
long argl, void *argp)
{
- return 0;
+ return 1;
}
int CRYPTO_free_ex_index(int class_index, int idx)
* for each index in the class used by this variable
*/
int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
- CRYPTO_EX_DATA *from)
+ const CRYPTO_EX_DATA *from)
{
int mx, j, i;
- char *ptr;
+ void *ptr;
EX_CALLBACK *stack[10];
EX_CALLBACK **storage = NULL;
EX_CALLBACKS *ip;
+ int toret = 0;
if (from->sk == NULL)
/* Nothing to copy over */
}
CRYPTO_THREAD_unlock(ex_data_lock);
- if (mx > 0 && storage == NULL) {
+ if (mx == 0)
+ return 1;
+ if (storage == NULL) {
CRYPTOerr(CRYPTO_F_CRYPTO_DUP_EX_DATA, ERR_R_MALLOC_FAILURE);
return 0;
}
+ /*
+ * Make sure the ex_data stack is at least |mx| elements long to avoid
+ * issues in the for loop that follows; so go get the |mx|'th element
+ * (if it does not exist CRYPTO_get_ex_data() returns NULL), and assign
+ * to itself. This is normally a no-op; but ensures the stack is the
+ * proper size
+ */
+ if (!CRYPTO_set_ex_data(to, mx - 1, CRYPTO_get_ex_data(to, mx - 1)))
+ goto err;
for (i = 0; i < mx; i++) {
ptr = CRYPTO_get_ex_data(from, i);
if (storage[i] && storage[i]->dup_func)
- storage[i]->dup_func(to, from, &ptr, i,
- storage[i]->argl, storage[i]->argp);
+ if (!storage[i]->dup_func(to, from, &ptr, i,
+ storage[i]->argl, storage[i]->argp))
+ goto err;
CRYPTO_set_ex_data(to, i, ptr);
}
+ toret = 1;
+ err:
if (storage != stack)
OPENSSL_free(storage);
- return 1;
+ return toret;
}
int mx, i;
EX_CALLBACKS *ip;
void *ptr;
+ EX_CALLBACK *f;
EX_CALLBACK *stack[10];
EX_CALLBACK **storage = NULL;
if ((ip = get_and_lock(class_index)) == NULL)
- return;
+ goto err;
mx = sk_EX_CALLBACK_num(ip->meth);
if (mx > 0) {
}
CRYPTO_THREAD_unlock(ex_data_lock);
- if (mx > 0 && storage == NULL) {
- CRYPTOerr(CRYPTO_F_CRYPTO_FREE_EX_DATA, ERR_R_MALLOC_FAILURE);
- return;
- }
for (i = 0; i < mx; i++) {
- if (storage[i] && storage[i]->free_func) {
+ if (storage != NULL)
+ f = storage[i];
+ else {
+ CRYPTO_THREAD_write_lock(ex_data_lock);
+ f = sk_EX_CALLBACK_value(ip->meth, i);
+ CRYPTO_THREAD_unlock(ex_data_lock);
+ }
+ if (f != NULL && f->free_func != NULL) {
ptr = CRYPTO_get_ex_data(ad, i);
- storage[i]->free_func(obj, ptr, ad, i,
- storage[i]->argl, storage[i]->argp);
+ f->free_func(obj, ptr, ad, i, f->argl, f->argp);
}
}
if (storage != stack)
OPENSSL_free(storage);
+ err:
sk_void_free(ad->sk);
ad->sk = NULL;
}