+++ /dev/null
-/*
- * Copyright (c) 2000-2001,2011,2014 Apple Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/* crypto/mem.c */
-/* 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.]
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <openssl/crypto.h>
-#include "cryptlib.h"
-
-
-static int allow_customize = 1; /* we provide flexible functions for */
-static int allow_customize_debug = 1;/* exchanging memory-related functions at
- * run-time, but this must be done
- * before any blocks are actually
- * allocated; or we'll run into huge
- * problems when malloc/free pairs
- * don't match etc. */
-
-/* may be changed as long as `allow_customize' is set */
-static void *(*malloc_locked_func)(size_t) = malloc;
-static void (*free_locked_func)(void *) = free;
-static void *(*malloc_func)(size_t) = malloc;
-static void *(*realloc_func)(void *, size_t)= realloc;
-static void (*free_func)(void *) = free;
-
-/* may be changed as long as `allow_customize_debug' is set */
-/* XXX use correct function pointer types */
-#ifdef CRYPTO_MDEBUG
- /* use default functions from mem_dbg.c */
- static void (*malloc_debug_func)()= (void (*)())CRYPTO_dbg_malloc;
- static void (*realloc_debug_func)()= (void (*)())CRYPTO_dbg_realloc;
- static void (*free_debug_func)()= (void (*)())CRYPTO_dbg_free;
- static void (*set_debug_options_func)()= (void (*)())CRYPTO_dbg_set_options;
- static long (*get_debug_options_func)()= (long (*)())CRYPTO_dbg_get_options;
-#else
- /* applications can use CRYPTO_malloc_debug_init() to select above case
- * at run-time */
- static void (*malloc_debug_func)()= NULL;
- static void (*realloc_debug_func)()= NULL;
- static void (*free_debug_func)()= NULL;
- static void (*set_debug_options_func)()= NULL;
- static long (*get_debug_options_func)()= NULL;
-#endif
-
-
-int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t),
- void (*f)(void *))
- {
- if (!allow_customize)
- return 0;
- if ((m == NULL) || (r == NULL) || (f == NULL))
- return 0;
- malloc_func=m;
- realloc_func=r;
- free_func=f;
- malloc_locked_func=m;
- free_locked_func=f;
- return 1;
- }
-
-int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*f)(void *))
- {
- if (!allow_customize)
- return 0;
- if ((m == NULL) || (f == NULL))
- return 0;
- malloc_locked_func=m;
- free_locked_func=f;
- return 1;
- }
-
-int CRYPTO_set_mem_debug_functions(void (*m)(), void (*r)(), void (*f)(),void (*so)(),long (*go)())
- {
- if (!allow_customize_debug)
- return 0;
- malloc_debug_func=m;
- realloc_debug_func=r;
- free_debug_func=f;
- set_debug_options_func=so;
- get_debug_options_func=go;
- return 1;
- }
-
-void CRYPTO_get_mem_functions(void *(**m)(size_t), void *(**r)(void *, size_t),
- void (**f)(void *))
- {
- if (m != NULL) *m=malloc_func;
- if (r != NULL) *r=realloc_func;
- if (f != NULL) *f=free_func;
- }
-
-void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *))
- {
- if (m != NULL) *m=malloc_locked_func;
- if (f != NULL) *f=free_locked_func;
- }
-
-void CRYPTO_get_mem_debug_functions(void (**m)(), void (**r)(), void (**f)(),void (**so)(),long (**go)())
- {
- if (m != NULL) *m=malloc_debug_func;
- if (r != NULL) *r=realloc_debug_func;
- if (f != NULL) *f=free_debug_func;
- if (so != NULL) *so=set_debug_options_func;
- if (go != NULL) *go=get_debug_options_func;
- }
-
-
-void *CRYPTO_malloc_locked(int num, const char *file, int line)
- {
- char *ret = NULL;
-
- allow_customize = 0;
- if (malloc_debug_func != NULL)
- {
- allow_customize_debug = 0;
- malloc_debug_func(NULL, num, file, line, 0);
- }
- ret = malloc_locked_func(num);
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num);
-#endif
- if (malloc_debug_func != NULL)
- malloc_debug_func(ret, num, file, line, 1);
-
- return ret;
- }
-
-void CRYPTO_free_locked(void *str)
- {
- if (free_debug_func != NULL)
- free_debug_func(str, 0);
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str);
-#endif
- free_locked_func(str);
- if (free_debug_func != NULL)
- free_debug_func(NULL, 1);
- }
-
-void *CRYPTO_malloc(int num, const char *file, int line)
- {
- char *ret = NULL;
-
- allow_customize = 0;
- if (malloc_debug_func != NULL)
- {
- allow_customize_debug = 0;
- malloc_debug_func(NULL, num, file, line, 0);
- }
- ret = malloc_func(num);
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: > 0x%p (%d)\n", ret, num);
-#endif
- if (malloc_debug_func != NULL)
- malloc_debug_func(ret, num, file, line, 1);
-
- return ret;
- }
-
-void *CRYPTO_realloc(void *str, int num, const char *file, int line)
- {
- char *ret = NULL;
-
- if (realloc_debug_func != NULL)
- realloc_debug_func(str, NULL, num, file, line, 0);
- ret = realloc_func(str,num);
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: | 0x%p -> 0x%p (%d)\n", str, ret, num);
-#endif
- if (realloc_debug_func != NULL)
- realloc_debug_func(str, ret, num, file, line, 1);
-
- return ret;
- }
-
-void CRYPTO_free(void *str)
- {
- if (free_debug_func != NULL)
- free_debug_func(str, 0);
-#ifdef LEVITTE_DEBUG
- fprintf(stderr, "LEVITTE_DEBUG: < 0x%p\n", str);
-#endif
- free_func(str);
- if (free_debug_func != NULL)
- free_debug_func(NULL, 1);
- }
-
-void *CRYPTO_remalloc(void *a, int num, const char *file, int line)
- {
- if (a != NULL) Free(a);
- a=(char *)Malloc(num);
- return(a);
- }
-
-
-void CRYPTO_set_mem_debug_options(long bits)
- {
- if (set_debug_options_func != NULL)
- set_debug_options_func(bits);
- }
-
-long CRYPTO_get_mem_debug_options(void)
- {
- if (get_debug_options_func != NULL)
- return get_debug_options_func();
- return 0;
- }
projects / apple / security.git / blobdiff