cryptlib.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/* crypto/cryptlib.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
* 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 <string.h>
#include "cryptlib.h"
#include <openssl/safestack.h>
#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
#endif
/* real #defines in crypto.h, keep these upto date */
static const char* lock_names[CRYPTO_NUM_LOCKS] =
{
"<<ERROR>>",
"err",
"ex_data",
"x509",
"x509_info",
"x509_pkey",
"x509_crl",
"x509_req",
"dsa",
"rsa",
"evp_pkey",
"x509_store",
"ssl_ctx",
"ssl_cert",
"ssl_session",
"ssl_sess_cert",
"ssl",
"ssl_method",
"rand",
"rand2",
"debug_malloc",
"BIO",
"gethostbyname",
"getservbyname",
"readdir",
"RSA_blinding",
"dh",
"debug_malloc2",
"dso",
"dynlock",
"engine",
"ui",
"hwcrhk", /* This is a HACK which will disappear in 0.9.8 */
#if CRYPTO_NUM_LOCKS != 33
# error "Inconsistency between crypto.h and cryptlib.c"
#endif
};
/* This is for applications to allocate new type names in the non-dynamic
array of lock names. These are numbered with positive numbers. */
/* For applications that want a more dynamic way of handling threads, the
following stack is used. These are externally numbered with negative
numbers. */
int CRYPTO_get_new_lockid(char *name)
{
char *str;
int i;
#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
/* A hack to make Visual C++ 5.0 work correctly when linking as
* a DLL using /MT. Without this, the application cannot use
* and floating point printf's.
* It also seems to be needed for Visual C 1.5 (win16) */
#endif
{
return(0);
}
{
return(0);
}
if (!i)
else
i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
return(i);
}
int CRYPTO_num_locks(void)
{
return CRYPTO_NUM_LOCKS;
}
int CRYPTO_get_new_dynlockid(void)
{
int i = 0;
if (dynlock_create_callback == NULL)
{
return(0);
}
{
return(0);
}
{
return(0);
}
{
return(0);
}
/* First, try to find an existing empty slot */
/* If there was none, push, thereby creating a new one */
if (i == -1)
/* Since sk_push() returns the number of items on the
stack, not the location of the pushed item, we need
to transform the returned number into a position,
by decreasing it. */
else
/* If we found a place with a NULL pointer, put our pointer
in it. */
if (i == -1)
{
}
else
i += 1; /* to avoid 0 */
return -i;
}
void CRYPTO_destroy_dynlockid(int i)
{
if (i)
i = -i-1;
if (dynlock_destroy_callback == NULL)
return;
{
return;
}
{
--pointer->references;
#ifdef REF_CHECK
if (pointer->references < 0)
{
abort();
}
else
#endif
if (pointer->references <= 0)
{
}
else
}
if (pointer)
{
}
}
struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
{
if (i)
i = -i-1;
if (pointer)
pointer->references++;
if (pointer)
return NULL;
}
struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
{
return(dynlock_create_callback);
}
void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
{
return(dynlock_lock_callback);
}
void (*CRYPTO_get_dynlock_destroy_callback(void))
{
return(dynlock_destroy_callback);
}
{
}
{
}
void CRYPTO_set_dynlock_destroy_callback(void (*func)
{
}
int line)
{
return(locking_callback);
}
{
return(add_lock_callback);
}
{
}
{
}
unsigned long (*CRYPTO_get_id_callback(void))(void)
{
return(id_callback);
}
void CRYPTO_set_id_callback(unsigned long (*func)(void))
{
}
unsigned long CRYPTO_thread_id(void)
{
unsigned long ret=0;
if (id_callback == NULL)
{
#ifdef OPENSSL_SYS_WIN16
ret=(unsigned long)GetCurrentTask();
#elif defined(OPENSSL_SYS_WIN32)
ret=(unsigned long)GetCurrentThreadId();
#elif defined(GETPID_IS_MEANINGLESS)
ret=1L;
#else
#endif
}
else
ret=id_callback();
return(ret);
}
{
#ifdef LOCK_DEBUG
{
char *rw_text,*operation_text;
if (mode & CRYPTO_LOCK)
operation_text="lock ";
else if (mode & CRYPTO_UNLOCK)
operation_text="unlock";
else
operation_text="ERROR ";
if (mode & CRYPTO_READ)
rw_text="r";
else if (mode & CRYPTO_WRITE)
rw_text="w";
else
rw_text="ERROR";
}
#endif
if (type < 0)
{
if (dynlock_lock_callback != NULL)
{
struct CRYPTO_dynlock_value *pointer
}
}
else
if (locking_callback != NULL)
}
int line)
{
int ret = 0;
if (add_lock_callback != NULL)
{
#ifdef LOCK_DEBUG
#endif
#ifdef LOCK_DEBUG
#endif
}
else
{
#ifdef LOCK_DEBUG
#endif
}
return(ret);
}
const char *CRYPTO_get_lock_name(int type)
{
if (type < 0)
return("dynamic");
else if (type < CRYPTO_NUM_LOCKS)
return(lock_names[type]);
return("ERROR");
else
}
#ifdef _DLL
#ifdef OPENSSL_SYS_WIN32
/* All we really need to do is remove the 'error' state when a thread
* detaches */
{
switch(fdwReason)
{
case DLL_PROCESS_ATTACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
ERR_remove_state(0);
break;
case DLL_PROCESS_DETACH:
break;
}
return(TRUE);
}
#endif
#endif
{
"%s(%d): OpenSSL internal error, assertion failed: %s\n",
abort();
}