941 lines
26 KiB
C
941 lines
26 KiB
C
/* crypto/cryptlib.c */
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2006 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 (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 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
|
* ECDH support in OpenSSL originally developed by
|
|
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
|
|
*/
|
|
|
|
#include "cryptlib.h"
|
|
#include <openssl/safestack.h>
|
|
|
|
#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
|
|
static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
|
|
#endif
|
|
|
|
DECLARE_STACK_OF(CRYPTO_dynlock)
|
|
|
|
/* real #defines in crypto.h, keep these upto date */
|
|
static const char* const 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",
|
|
"ecdsa",
|
|
"ec",
|
|
"ecdh",
|
|
"bn",
|
|
"ec_pre_comp",
|
|
"store",
|
|
"comp",
|
|
"fips",
|
|
"fips2",
|
|
#if CRYPTO_NUM_LOCKS != 41
|
|
# 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. */
|
|
static STACK_OF(OPENSSL_STRING) *app_locks=NULL;
|
|
|
|
/* For applications that want a more dynamic way of handling threads, the
|
|
following stack is used. These are externally numbered with negative
|
|
numbers. */
|
|
static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
|
|
|
|
|
|
static void (MS_FAR *locking_callback)(int mode,int type,
|
|
const char *file,int line)=0;
|
|
static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
|
|
int type,const char *file,int line)=0;
|
|
#ifndef OPENSSL_NO_DEPRECATED
|
|
static unsigned long (MS_FAR *id_callback)(void)=0;
|
|
#endif
|
|
static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0;
|
|
static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
|
|
(const char *file,int line)=0;
|
|
static void (MS_FAR *dynlock_lock_callback)(int mode,
|
|
struct CRYPTO_dynlock_value *l, const char *file,int line)=0;
|
|
static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
|
|
const char *file,int line)=0;
|
|
|
|
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
|
|
* any floating point printf's.
|
|
* It also seems to be needed for Visual C 1.5 (win16) */
|
|
SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
|
|
#endif
|
|
|
|
if ((app_locks == NULL) && ((app_locks=sk_OPENSSL_STRING_new_null()) == NULL))
|
|
{
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
|
|
return(0);
|
|
}
|
|
if ((str=BUF_strdup(name)) == NULL)
|
|
{
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
|
|
return(0);
|
|
}
|
|
i=sk_OPENSSL_STRING_push(app_locks,str);
|
|
if (!i)
|
|
OPENSSL_free(str);
|
|
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;
|
|
CRYPTO_dynlock *pointer = NULL;
|
|
|
|
if (dynlock_create_callback == NULL)
|
|
{
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
|
|
return(0);
|
|
}
|
|
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
|
|
if ((dyn_locks == NULL)
|
|
&& ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
|
|
{
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
|
|
return(0);
|
|
}
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
|
|
if (pointer == NULL)
|
|
{
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
|
|
return(0);
|
|
}
|
|
pointer->references = 1;
|
|
pointer->data = dynlock_create_callback(__FILE__,__LINE__);
|
|
if (pointer->data == NULL)
|
|
{
|
|
OPENSSL_free(pointer);
|
|
CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
|
|
return(0);
|
|
}
|
|
|
|
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
|
|
/* First, try to find an existing empty slot */
|
|
i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
|
|
/* 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. */
|
|
i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
|
|
else
|
|
/* If we found a place with a NULL pointer, put our pointer
|
|
in it. */
|
|
(void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
if (i == -1)
|
|
{
|
|
dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
|
|
OPENSSL_free(pointer);
|
|
}
|
|
else
|
|
i += 1; /* to avoid 0 */
|
|
return -i;
|
|
}
|
|
|
|
void CRYPTO_destroy_dynlockid(int i)
|
|
{
|
|
CRYPTO_dynlock *pointer = NULL;
|
|
if (i)
|
|
i = -i-1;
|
|
if (dynlock_destroy_callback == NULL)
|
|
return;
|
|
|
|
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
|
|
{
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
return;
|
|
}
|
|
pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
|
|
if (pointer != NULL)
|
|
{
|
|
--pointer->references;
|
|
#ifdef REF_CHECK
|
|
if (pointer->references < 0)
|
|
{
|
|
fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
|
|
abort();
|
|
}
|
|
else
|
|
#endif
|
|
if (pointer->references <= 0)
|
|
{
|
|
(void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
|
|
}
|
|
else
|
|
pointer = NULL;
|
|
}
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
if (pointer)
|
|
{
|
|
dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
|
|
OPENSSL_free(pointer);
|
|
}
|
|
}
|
|
|
|
struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
|
|
{
|
|
CRYPTO_dynlock *pointer = NULL;
|
|
if (i)
|
|
i = -i-1;
|
|
|
|
CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
|
|
pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
|
|
if (pointer)
|
|
pointer->references++;
|
|
|
|
CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
|
|
|
|
if (pointer)
|
|
return pointer->data;
|
|
return NULL;
|
|
}
|
|
|
|
struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
|
|
(const char *file,int line)
|
|
{
|
|
return(dynlock_create_callback);
|
|
}
|
|
|
|
void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
|
|
struct CRYPTO_dynlock_value *l, const char *file,int line)
|
|
{
|
|
return(dynlock_lock_callback);
|
|
}
|
|
|
|
void (*CRYPTO_get_dynlock_destroy_callback(void))
|
|
(struct CRYPTO_dynlock_value *l, const char *file,int line)
|
|
{
|
|
return(dynlock_destroy_callback);
|
|
}
|
|
|
|
void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
|
|
(const char *file, int line))
|
|
{
|
|
dynlock_create_callback=func;
|
|
}
|
|
|
|
void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
|
|
struct CRYPTO_dynlock_value *l, const char *file, int line))
|
|
{
|
|
dynlock_lock_callback=func;
|
|
}
|
|
|
|
void CRYPTO_set_dynlock_destroy_callback(void (*func)
|
|
(struct CRYPTO_dynlock_value *l, const char *file, int line))
|
|
{
|
|
dynlock_destroy_callback=func;
|
|
}
|
|
|
|
|
|
void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
|
|
int line)
|
|
{
|
|
return(locking_callback);
|
|
}
|
|
|
|
int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
|
|
const char *file,int line)
|
|
{
|
|
return(add_lock_callback);
|
|
}
|
|
|
|
void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
|
|
const char *file,int line))
|
|
{
|
|
/* Calling this here ensures initialisation before any threads
|
|
* are started.
|
|
*/
|
|
OPENSSL_init();
|
|
locking_callback=func;
|
|
}
|
|
|
|
void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
|
|
const char *file,int line))
|
|
{
|
|
add_lock_callback=func;
|
|
}
|
|
|
|
/* the memset() here and in set_pointer() seem overkill, but for the sake of
|
|
* CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two
|
|
* "equal" THREADID structs to not be memcmp()-identical. */
|
|
void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
|
|
{
|
|
memset(id, 0, sizeof(*id));
|
|
id->val = val;
|
|
}
|
|
|
|
static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 };
|
|
void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
|
|
{
|
|
unsigned char *dest = (void *)&id->val;
|
|
unsigned int accum = 0;
|
|
unsigned char dnum = sizeof(id->val);
|
|
|
|
memset(id, 0, sizeof(*id));
|
|
id->ptr = ptr;
|
|
if (sizeof(id->val) >= sizeof(id->ptr))
|
|
{
|
|
/* 'ptr' can be embedded in 'val' without loss of uniqueness */
|
|
id->val = (unsigned long)id->ptr;
|
|
return;
|
|
}
|
|
/* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
|
|
* linear function over the bytes in 'ptr', the co-efficients of which
|
|
* are a sequence of low-primes (hash_coeffs is an 8-element cycle) -
|
|
* the starting prime for the sequence varies for each byte of 'val'
|
|
* (unique polynomials unless pointers are >64-bit). For added spice,
|
|
* the totals accumulate rather than restarting from zero, and the index
|
|
* of the 'val' byte is added each time (position dependence). If I was
|
|
* a black-belt, I'd scan big-endian pointers in reverse to give
|
|
* low-order bits more play, but this isn't crypto and I'd prefer nobody
|
|
* mistake it as such. Plus I'm lazy. */
|
|
while (dnum--)
|
|
{
|
|
const unsigned char *src = (void *)&id->ptr;
|
|
unsigned char snum = sizeof(id->ptr);
|
|
while (snum--)
|
|
accum += *(src++) * hash_coeffs[(snum + dnum) & 7];
|
|
accum += dnum;
|
|
*(dest++) = accum & 255;
|
|
}
|
|
}
|
|
|
|
int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
|
|
{
|
|
if (threadid_callback)
|
|
return 0;
|
|
threadid_callback = func;
|
|
return 1;
|
|
}
|
|
|
|
void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
|
|
{
|
|
return threadid_callback;
|
|
}
|
|
|
|
void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
|
|
{
|
|
if (threadid_callback)
|
|
{
|
|
threadid_callback(id);
|
|
return;
|
|
}
|
|
#ifndef OPENSSL_NO_DEPRECATED
|
|
/* If the deprecated callback was set, fall back to that */
|
|
if (id_callback)
|
|
{
|
|
CRYPTO_THREADID_set_numeric(id, id_callback());
|
|
return;
|
|
}
|
|
#endif
|
|
/* Else pick a backup */
|
|
#ifdef OPENSSL_SYS_WIN16
|
|
CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask());
|
|
#elif defined(OPENSSL_SYS_WIN32)
|
|
CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
|
|
#elif defined(OPENSSL_SYS_BEOS)
|
|
CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL));
|
|
#else
|
|
/* For everything else, default to using the address of 'errno' */
|
|
CRYPTO_THREADID_set_pointer(id, (void*)&errno);
|
|
#endif
|
|
}
|
|
|
|
int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
|
|
{
|
|
return memcmp(a, b, sizeof(*a));
|
|
}
|
|
|
|
void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
|
|
{
|
|
memcpy(dest, src, sizeof(*src));
|
|
}
|
|
|
|
unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
|
|
{
|
|
return id->val;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DEPRECATED
|
|
unsigned long (*CRYPTO_get_id_callback(void))(void)
|
|
{
|
|
return(id_callback);
|
|
}
|
|
|
|
void CRYPTO_set_id_callback(unsigned long (*func)(void))
|
|
{
|
|
id_callback=func;
|
|
}
|
|
|
|
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;
|
|
#elif defined(OPENSSL_SYS_BEOS)
|
|
ret=(unsigned long)find_thread(NULL);
|
|
#else
|
|
ret=(unsigned long)getpid();
|
|
#endif
|
|
}
|
|
else
|
|
ret=id_callback();
|
|
return(ret);
|
|
}
|
|
#endif
|
|
|
|
void CRYPTO_lock(int mode, int type, const char *file, int line)
|
|
{
|
|
#ifdef LOCK_DEBUG
|
|
{
|
|
CRYPTO_THREADID id;
|
|
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";
|
|
|
|
CRYPTO_THREADID_current(&id);
|
|
fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
|
|
CRYPTO_THREADID_hash(&id), rw_text, operation_text,
|
|
CRYPTO_get_lock_name(type), file, line);
|
|
}
|
|
#endif
|
|
if (type < 0)
|
|
{
|
|
if (dynlock_lock_callback != NULL)
|
|
{
|
|
struct CRYPTO_dynlock_value *pointer
|
|
= CRYPTO_get_dynlock_value(type);
|
|
|
|
OPENSSL_assert(pointer != NULL);
|
|
|
|
dynlock_lock_callback(mode, pointer, file, line);
|
|
|
|
CRYPTO_destroy_dynlockid(type);
|
|
}
|
|
}
|
|
else
|
|
if (locking_callback != NULL)
|
|
locking_callback(mode,type,file,line);
|
|
}
|
|
|
|
int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
|
|
int line)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (add_lock_callback != NULL)
|
|
{
|
|
#ifdef LOCK_DEBUG
|
|
int before= *pointer;
|
|
#endif
|
|
|
|
ret=add_lock_callback(pointer,amount,type,file,line);
|
|
#ifdef LOCK_DEBUG
|
|
{
|
|
CRYPTO_THREADID id;
|
|
CRYPTO_THREADID_current(&id);
|
|
fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
|
|
CRYPTO_THREADID_hash(&id), before,amount,ret,
|
|
CRYPTO_get_lock_name(type),
|
|
file,line);
|
|
}
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
|
|
|
|
ret= *pointer+amount;
|
|
#ifdef LOCK_DEBUG
|
|
{
|
|
CRYPTO_THREADID id;
|
|
CRYPTO_THREADID_current(&id);
|
|
fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
|
|
CRYPTO_THREADID_hash(&id),
|
|
*pointer,amount,ret,
|
|
CRYPTO_get_lock_name(type),
|
|
file,line);
|
|
}
|
|
#endif
|
|
*pointer=ret;
|
|
CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
|
|
}
|
|
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]);
|
|
else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks))
|
|
return("ERROR");
|
|
else
|
|
return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS));
|
|
}
|
|
|
|
#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
|
|
defined(__INTEL__) || \
|
|
defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
|
|
|
|
unsigned int OPENSSL_ia32cap_P[2];
|
|
unsigned long *OPENSSL_ia32cap_loc(void)
|
|
{ if (sizeof(long)==4)
|
|
/*
|
|
* If 32-bit application pulls address of OPENSSL_ia32cap_P[0]
|
|
* clear second element to maintain the illusion that vector
|
|
* is 32-bit.
|
|
*/
|
|
OPENSSL_ia32cap_P[1]=0;
|
|
return (unsigned long *)OPENSSL_ia32cap_P;
|
|
}
|
|
|
|
#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
|
|
#define OPENSSL_CPUID_SETUP
|
|
#if defined(_WIN32)
|
|
typedef unsigned __int64 IA32CAP;
|
|
#else
|
|
typedef unsigned long long IA32CAP;
|
|
#endif
|
|
void OPENSSL_cpuid_setup(void)
|
|
{ static int trigger=0;
|
|
IA32CAP OPENSSL_ia32_cpuid(void);
|
|
IA32CAP vec;
|
|
char *env;
|
|
|
|
if (trigger) return;
|
|
|
|
trigger=1;
|
|
if ((env=getenv("OPENSSL_ia32cap"))) {
|
|
int off = (env[0]=='~')?1:0;
|
|
#if defined(_WIN32)
|
|
if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0);
|
|
#else
|
|
if (!sscanf(env+off,"%lli",(long long *)&vec)) vec = strtoul(env+off,NULL,0);
|
|
#endif
|
|
if (off) vec = OPENSSL_ia32_cpuid()&~vec;
|
|
}
|
|
else
|
|
vec = OPENSSL_ia32_cpuid();
|
|
|
|
/*
|
|
* |(1<<10) sets a reserved bit to signal that variable
|
|
* was initialized already... This is to avoid interference
|
|
* with cpuid snippets in ELF .init segment.
|
|
*/
|
|
OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10);
|
|
OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32);
|
|
}
|
|
#endif
|
|
|
|
#else
|
|
unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
|
|
#endif
|
|
int OPENSSL_NONPIC_relocated = 0;
|
|
#if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
|
|
void OPENSSL_cpuid_setup(void) {}
|
|
#endif
|
|
|
|
#if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
|
|
#ifdef __CYGWIN__
|
|
/* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
|
|
#include <windows.h>
|
|
/* this has side-effect of _WIN32 getting defined, which otherwise
|
|
* is mutually exclusive with __CYGWIN__... */
|
|
#endif
|
|
|
|
/* All we really need to do is remove the 'error' state when a thread
|
|
* detaches */
|
|
|
|
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
|
|
LPVOID lpvReserved)
|
|
{
|
|
switch(fdwReason)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
OPENSSL_cpuid_setup();
|
|
#if defined(_WIN32_WINNT)
|
|
{
|
|
IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL;
|
|
IMAGE_NT_HEADERS *nt_headers;
|
|
|
|
if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
|
|
{
|
|
nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header
|
|
+ dos_header->e_lfanew);
|
|
if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
|
|
hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
|
|
OPENSSL_NONPIC_relocated=1;
|
|
}
|
|
}
|
|
#endif
|
|
break;
|
|
case DLL_THREAD_ATTACH:
|
|
break;
|
|
case DLL_THREAD_DETACH:
|
|
break;
|
|
case DLL_PROCESS_DETACH:
|
|
break;
|
|
}
|
|
return(TRUE);
|
|
}
|
|
#endif
|
|
|
|
#if defined(_WIN32) && !defined(__CYGWIN__)
|
|
#include <tchar.h>
|
|
#include <signal.h>
|
|
#ifdef __WATCOMC__
|
|
#if defined(_UNICODE) || defined(__UNICODE__)
|
|
#define _vsntprintf _vsnwprintf
|
|
#else
|
|
#define _vsntprintf _vsnprintf
|
|
#endif
|
|
#endif
|
|
#ifdef _MSC_VER
|
|
#define alloca _alloca
|
|
#endif
|
|
|
|
#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
|
|
int OPENSSL_isservice(void)
|
|
{ HWINSTA h;
|
|
DWORD len;
|
|
WCHAR *name;
|
|
static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL };
|
|
|
|
if (_OPENSSL_isservice.p == NULL) {
|
|
HANDLE h = GetModuleHandle(NULL);
|
|
if (h != NULL)
|
|
_OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice");
|
|
if (_OPENSSL_isservice.p == NULL)
|
|
_OPENSSL_isservice.p = (void *)-1;
|
|
}
|
|
|
|
if (_OPENSSL_isservice.p != (void *)-1)
|
|
return (*_OPENSSL_isservice.f)();
|
|
|
|
(void)GetDesktopWindow(); /* return value is ignored */
|
|
|
|
h = GetProcessWindowStation();
|
|
if (h==NULL) return -1;
|
|
|
|
if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) ||
|
|
GetLastError() != ERROR_INSUFFICIENT_BUFFER)
|
|
return -1;
|
|
|
|
if (len>512) return -1; /* paranoia */
|
|
len++,len&=~1; /* paranoia */
|
|
name=(WCHAR *)alloca(len+sizeof(WCHAR));
|
|
if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
|
|
return -1;
|
|
|
|
len++,len&=~1; /* paranoia */
|
|
name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */
|
|
#if 1
|
|
/* This doesn't cover "interactive" services [working with real
|
|
* WinSta0's] nor programs started non-interactively by Task
|
|
* Scheduler [those are working with SAWinSta]. */
|
|
if (wcsstr(name,L"Service-0x")) return 1;
|
|
#else
|
|
/* This covers all non-interactive programs such as services. */
|
|
if (!wcsstr(name,L"WinSta0")) return 1;
|
|
#endif
|
|
else return 0;
|
|
}
|
|
#else
|
|
int OPENSSL_isservice(void) { return 0; }
|
|
#endif
|
|
|
|
void OPENSSL_showfatal (const char *fmta,...)
|
|
{ va_list ap;
|
|
TCHAR buf[256];
|
|
const TCHAR *fmt;
|
|
#ifdef STD_ERROR_HANDLE /* what a dirty trick! */
|
|
HANDLE h;
|
|
|
|
if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL &&
|
|
GetFileType(h)!=FILE_TYPE_UNKNOWN)
|
|
{ /* must be console application */
|
|
va_start (ap,fmta);
|
|
vfprintf (stderr,fmta,ap);
|
|
va_end (ap);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
if (sizeof(TCHAR)==sizeof(char))
|
|
fmt=(const TCHAR *)fmta;
|
|
else do
|
|
{ int keepgoing;
|
|
size_t len_0=strlen(fmta)+1,i;
|
|
WCHAR *fmtw;
|
|
|
|
fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR));
|
|
if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; }
|
|
|
|
#ifndef OPENSSL_NO_MULTIBYTE
|
|
if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0))
|
|
#endif
|
|
for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i];
|
|
|
|
for (i=0;i<len_0;i++)
|
|
{ if (fmtw[i]==L'%') do
|
|
{ keepgoing=0;
|
|
switch (fmtw[i+1])
|
|
{ case L'0': case L'1': case L'2': case L'3': case L'4':
|
|
case L'5': case L'6': case L'7': case L'8': case L'9':
|
|
case L'.': case L'*':
|
|
case L'-': i++; keepgoing=1; break;
|
|
case L's': fmtw[i+1]=L'S'; break;
|
|
case L'S': fmtw[i+1]=L's'; break;
|
|
case L'c': fmtw[i+1]=L'C'; break;
|
|
case L'C': fmtw[i+1]=L'c'; break;
|
|
}
|
|
} while (keepgoing);
|
|
}
|
|
fmt = (const TCHAR *)fmtw;
|
|
} while (0);
|
|
|
|
va_start (ap,fmta);
|
|
_vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap);
|
|
buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0');
|
|
va_end (ap);
|
|
|
|
#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
|
|
/* this -------------v--- guards NT-specific calls */
|
|
if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0)
|
|
{ HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
|
|
const TCHAR *pmsg=buf;
|
|
ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
|
|
DeregisterEventSource(h);
|
|
}
|
|
else
|
|
#endif
|
|
MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP);
|
|
}
|
|
#else
|
|
void OPENSSL_showfatal (const char *fmta,...)
|
|
{ va_list ap;
|
|
|
|
va_start (ap,fmta);
|
|
vfprintf (stderr,fmta,ap);
|
|
va_end (ap);
|
|
}
|
|
int OPENSSL_isservice (void) { return 0; }
|
|
#endif
|
|
|
|
void OpenSSLDie(const char *file,int line,const char *assertion)
|
|
{
|
|
OPENSSL_showfatal(
|
|
"%s(%d): OpenSSL internal error, assertion failed: %s\n",
|
|
file,line,assertion);
|
|
#if !defined(_WIN32) || defined(__CYGWIN__)
|
|
abort();
|
|
#else
|
|
/* Win32 abort() customarily shows a dialog, but we just did that... */
|
|
raise(SIGABRT);
|
|
_exit(3);
|
|
#endif
|
|
}
|
|
|
|
void *OPENSSL_stderr(void) { return stderr; }
|
|
|
|
int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len)
|
|
{
|
|
size_t i;
|
|
const unsigned char *a = in_a;
|
|
const unsigned char *b = in_b;
|
|
unsigned char x = 0;
|
|
|
|
for (i = 0; i < len; i++)
|
|
x |= a[i] ^ b[i];
|
|
|
|
return x;
|
|
}
|