Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/mem.c

Index: openssl/crypto/mem.c
diff --git a/openssl/crypto/mem.c b/openssl/crypto/mem.c
deleted file mode 100644
index 1cc62eafd1221387fb000118d12449c2938a380a..0000000000000000000000000000000000000000
--- a/openssl/crypto/mem.c
+++ /dev/null
@@ -1,420 +0,0 @@
-/* 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. */
-
-
-
-/* the following pointers may be changed as long as 'allow_customize' is set */
-
-static void *(*malloc_func)(size_t)         = malloc;
-static void *default_malloc_ex(size_t num, const char *file, int line)
-	{ return malloc_func(num); }
-static void *(*malloc_ex_func)(size_t, const char *file, int line)
-        = default_malloc_ex;
-
-static void *(*realloc_func)(void *, size_t)= realloc;
-static void *default_realloc_ex(void *str, size_t num,
-        const char *file, int line)
-	{ return realloc_func(str,num); }
-static void *(*realloc_ex_func)(void *, size_t, const char *file, int line)
-        = default_realloc_ex;
-
-static void (*free_func)(void *)            = free;
-
-static void *(*malloc_locked_func)(size_t)  = malloc;
-static void *default_malloc_locked_ex(size_t num, const char *file, int line)
-	{ return malloc_locked_func(num); }
-static void *(*malloc_locked_ex_func)(size_t, const char *file, int line)
-        = default_malloc_locked_ex;
-
-static void (*free_locked_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 *,int,const char *,int,int)
-	= CRYPTO_dbg_malloc;
-static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
-	= CRYPTO_dbg_realloc;
-static void (*free_debug_func)(void *,int) = CRYPTO_dbg_free;
-static void (*set_debug_options_func)(long) = CRYPTO_dbg_set_options;
-static long (*get_debug_options_func)(void) = CRYPTO_dbg_get_options;
-#else
-/* applications can use CRYPTO_malloc_debug_init() to select above case
- * at run-time */
-static void (*malloc_debug_func)(void *,int,const char *,int,int) = NULL;
-static void (*realloc_debug_func)(void *,void *,int,const char *,int,int)
-	= NULL;
-static void (*free_debug_func)(void *,int) = NULL;
-static void (*set_debug_options_func)(long) = NULL;
-static long (*get_debug_options_func)(void) = NULL;
-#endif
-
-int CRYPTO_set_mem_functions(void *(*m)(size_t), void *(*r)(void *, size_t),
-	void (*f)(void *))
-	{
-	/* Dummy call just to ensure OPENSSL_init() gets linked in */
-	OPENSSL_init();
-	if (!allow_customize)
-		return 0;
-	if ((m == 0) || (r == 0) || (f == 0))
-		return 0;
-	malloc_func=m; malloc_ex_func=default_malloc_ex;
-	realloc_func=r; realloc_ex_func=default_realloc_ex;
-	free_func=f;
-	malloc_locked_func=m; malloc_locked_ex_func=default_malloc_locked_ex;
-	free_locked_func=f;
-	return 1;
-	}
-
-int CRYPTO_set_mem_ex_functions(
-        void *(*m)(size_t,const char *,int),
-        void *(*r)(void *, size_t,const char *,int),
-	void (*f)(void *))
-	{
-	if (!allow_customize)
-		return 0;
-	if ((m == 0) || (r == 0) || (f == 0))
-		return 0;
-	malloc_func=0; malloc_ex_func=m;
-	realloc_func=0; realloc_ex_func=r;
-	free_func=f;
-	malloc_locked_func=0; malloc_locked_ex_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; malloc_locked_ex_func=default_malloc_locked_ex;
-	free_locked_func=f;
-	return 1;
-	}
-
-int CRYPTO_set_locked_mem_ex_functions(
-        void *(*m)(size_t,const char *,int),
-        void (*f)(void *))
-	{
-	if (!allow_customize)
-		return 0;
-	if ((m == NULL) || (f == NULL))
-		return 0;
-	malloc_locked_func=0; malloc_locked_ex_func=m;
-	free_func=f;
-	return 1;
-	}
-
-int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int),
-				   void (*r)(void *,void *,int,const char *,int,int),
-				   void (*f)(void *,int),
-				   void (*so)(long),
-				   long (*go)(void))
-	{
-	if (!allow_customize_debug)
-		return 0;
-	OPENSSL_init();
-	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_ex_func == default_malloc_ex) ? 
-	                     malloc_func : 0;
-	if (r != NULL) *r = (realloc_ex_func == default_realloc_ex) ? 
-	                     realloc_func : 0;
-	if (f != NULL) *f=free_func;
-	}
-
-void CRYPTO_get_mem_ex_functions(
-        void *(**m)(size_t,const char *,int),
-        void *(**r)(void *, size_t,const char *,int),
-	void (**f)(void *))
-	{
-	if (m != NULL) *m = (malloc_ex_func != default_malloc_ex) ?
-	                    malloc_ex_func : 0;
-	if (r != NULL) *r = (realloc_ex_func != default_realloc_ex) ?
-	                    realloc_ex_func : 0;
-	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_ex_func == default_malloc_locked_ex) ? 
-	                     malloc_locked_func : 0;
-	if (f != NULL) *f=free_locked_func;
-	}
-
-void CRYPTO_get_locked_mem_ex_functions(
-        void *(**m)(size_t,const char *,int),
-        void (**f)(void *))
-	{
-	if (m != NULL) *m = (malloc_locked_ex_func != default_malloc_locked_ex) ?
-	                    malloc_locked_ex_func : 0;
-	if (f != NULL) *f=free_locked_func;
-	}
-
-void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),
-				    void (**r)(void *,void *,int,const char *,int,int),
-				    void (**f)(void *,int),
-				    void (**so)(long),
-				    long (**go)(void))
-	{
-	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)
-	{
-	void *ret = NULL;
-
-	if (num <= 0) return NULL;
-
-	allow_customize = 0;
-	if (malloc_debug_func != NULL)
-		{
-		allow_customize_debug = 0;
-		malloc_debug_func(NULL, num, file, line, 0);
-		}
-	ret = malloc_locked_ex_func(num,file,line);
-#ifdef LEVITTE_DEBUG_MEM
-	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
-#endif
-	if (malloc_debug_func != NULL)
-		malloc_debug_func(ret, num, file, line, 1);
-
-#ifndef OPENSSL_CPUID_OBJ
-        /* Create a dependency on the value of 'cleanse_ctr' so our memory
-         * sanitisation function can't be optimised out. NB: We only do
-         * this for >2Kb so the overhead doesn't bother us. */
-        if(ret && (num > 2048))
-	{	extern unsigned char cleanse_ctr;
-		((unsigned char *)ret)[0] = cleanse_ctr;
-	}
-#endif
-
-	return ret;
-	}
-
-void CRYPTO_free_locked(void *str)
-	{
-	if (free_debug_func != NULL)
-		free_debug_func(str, 0);
-#ifdef LEVITTE_DEBUG_MEM
-	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 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)
-	{
-	void *ret = NULL;
-
-	if (num <= 0) return NULL;
-
-	allow_customize = 0;
-	if (malloc_debug_func != NULL)
-		{
-		allow_customize_debug = 0;
-		malloc_debug_func(NULL, num, file, line, 0);
-		}
-	ret = malloc_ex_func(num,file,line);
-#ifdef LEVITTE_DEBUG_MEM
-	fprintf(stderr, "LEVITTE_DEBUG_MEM:         > 0x%p (%d)\n", ret, num);
-#endif
-	if (malloc_debug_func != NULL)
-		malloc_debug_func(ret, num, file, line, 1);
-
-#ifndef OPENSSL_CPUID_OBJ
-        /* Create a dependency on the value of 'cleanse_ctr' so our memory
-         * sanitisation function can't be optimised out. NB: We only do
-         * this for >2Kb so the overhead doesn't bother us. */
-        if(ret && (num > 2048))
-	{	extern unsigned char cleanse_ctr;
-                ((unsigned char *)ret)[0] = cleanse_ctr;
-	}
-#endif
-
-	return ret;
-	}
-char *CRYPTO_strdup(const char *str, const char *file, int line)
-	{
-	char *ret = CRYPTO_malloc(strlen(str)+1, file, line);
-
-	strcpy(ret, str);
-	return ret;
-	}
-
-void *CRYPTO_realloc(void *str, int num, const char *file, int line)
-	{
-	void *ret = NULL;
-
-	if (str == NULL)
-		return CRYPTO_malloc(num, file, line);
-
-	if (num <= 0) return NULL;
-
-	if (realloc_debug_func != NULL)
-		realloc_debug_func(str, NULL, num, file, line, 0);
-	ret = realloc_ex_func(str,num,file,line);
-#ifdef LEVITTE_DEBUG_MEM
-	fprintf(stderr, "LEVITTE_DEBUG_MEM:         | 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_realloc_clean(void *str, int old_len, int num, const char *file,
-			   int line)
-	{
-	void *ret = NULL;
-
-	if (str == NULL)
-		return CRYPTO_malloc(num, file, line);
-
-	if (num <= 0) return NULL;
-
-	/* We don't support shrinking the buffer. Note the memcpy that copies
-	 * |old_len| bytes to the new buffer, below. */
-	if (num < old_len) return NULL;
-
-	if (realloc_debug_func != NULL)
-		realloc_debug_func(str, NULL, num, file, line, 0);
-	ret=malloc_ex_func(num,file,line);
-	if(ret)
-		{
-		memcpy(ret,str,old_len);
-		OPENSSL_cleanse(str,old_len);
-		free_func(str);
-		}
-#ifdef LEVITTE_DEBUG_MEM
-	fprintf(stderr,
-		"LEVITTE_DEBUG_MEM:         | 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_MEM
-	fprintf(stderr, "LEVITTE_DEBUG_MEM:         < 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) OPENSSL_free(a);
-	a=(char *)OPENSSL_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;
-	}