sl@0: /* crypto/cryptlib.c */
sl@0: /* ====================================================================
sl@0:  * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  *
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer. 
sl@0:  *
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in
sl@0:  *    the documentation and/or other materials provided with the
sl@0:  *    distribution.
sl@0:  *
sl@0:  * 3. All advertising materials mentioning features or use of this
sl@0:  *    software must display the following acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
sl@0:  *
sl@0:  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
sl@0:  *    endorse or promote products derived from this software without
sl@0:  *    prior written permission. For written permission, please contact
sl@0:  *    openssl-core@openssl.org.
sl@0:  *
sl@0:  * 5. Products derived from this software may not be called "OpenSSL"
sl@0:  *    nor may "OpenSSL" appear in their names without prior written
sl@0:  *    permission of the OpenSSL Project.
sl@0:  *
sl@0:  * 6. Redistributions of any form whatsoever must retain the following
sl@0:  *    acknowledgment:
sl@0:  *    "This product includes software developed by the OpenSSL Project
sl@0:  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
sl@0:  *
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
sl@0:  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
sl@0:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
sl@0:  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
sl@0:  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
sl@0:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
sl@0:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
sl@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
sl@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
sl@0:  * ====================================================================
sl@0:  *
sl@0:  * This product includes cryptographic software written by Eric Young
sl@0:  * (eay@cryptsoft.com).  This product includes software written by Tim
sl@0:  * Hudson (tjh@cryptsoft.com).
sl@0:  *
sl@0:  */
sl@0: /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * This package is an SSL implementation written
sl@0:  * by Eric Young (eay@cryptsoft.com).
sl@0:  * The implementation was written so as to conform with Netscapes SSL.
sl@0:  * 
sl@0:  * This library is free for commercial and non-commercial use as long as
sl@0:  * the following conditions are aheared to.  The following conditions
sl@0:  * apply to all code found in this distribution, be it the RC4, RSA,
sl@0:  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
sl@0:  * included with this distribution is covered by the same copyright terms
sl@0:  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
sl@0:  * 
sl@0:  * Copyright remains Eric Young's, and as such any Copyright notices in
sl@0:  * the code are not to be removed.
sl@0:  * If this package is used in a product, Eric Young should be given attribution
sl@0:  * as the author of the parts of the library used.
sl@0:  * This can be in the form of a textual message at program startup or
sl@0:  * in documentation (online or textual) provided with the package.
sl@0:  * 
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 3. All advertising materials mentioning features or use of this software
sl@0:  *    must display the following acknowledgement:
sl@0:  *    "This product includes cryptographic software written by
sl@0:  *     Eric Young (eay@cryptsoft.com)"
sl@0:  *    The word 'cryptographic' can be left out if the rouines from the library
sl@0:  *    being used are not cryptographic related :-).
sl@0:  * 4. If you include any Windows specific code (or a derivative thereof) from 
sl@0:  *    the apps directory (application code) you must include an acknowledgement:
sl@0:  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
sl@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
sl@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
sl@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
sl@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
sl@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
sl@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
sl@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
sl@0:  * SUCH DAMAGE.
sl@0:  * 
sl@0:  * The licence and distribution terms for any publically available version or
sl@0:  * derivative of this code cannot be changed.  i.e. this code cannot simply be
sl@0:  * copied and put under another distribution licence
sl@0:  * [including the GNU Public Licence.]
sl@0:  */
sl@0: /* ====================================================================
sl@0:  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
sl@0:  * ECDH support in OpenSSL originally developed by 
sl@0:  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
sl@0:  */
sl@0:  /*
sl@0:  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
sl@0:  */
sl@0: 
sl@0: #include "cryptlib.h"
sl@0: #include <openssl/safestack.h>
sl@0: 
sl@0: #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
sl@0: static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
sl@0: #endif
sl@0: #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libcrypto_wsd_macros.h"
sl@0: #include "libcrypto_wsd.h"
sl@0: #endif
sl@0: 
sl@0: DECLARE_STACK_OF(CRYPTO_dynlock)
sl@0: IMPLEMENT_STACK_OF(CRYPTO_dynlock)
sl@0: 
sl@0: /* real #defines in crypto.h, keep these upto date */
sl@0: #ifndef EMULATOR
sl@0: static const char* lock_names[CRYPTO_NUM_LOCKS] =
sl@0: 	{
sl@0: 	"<<ERROR>>",
sl@0: 	"err",
sl@0: 	"ex_data",
sl@0: 	"x509",
sl@0: 	"x509_info",
sl@0: 	"x509_pkey",
sl@0: 	"x509_crl",
sl@0: 	"x509_req",
sl@0: 	"dsa",
sl@0: 	"rsa",
sl@0: 	"evp_pkey",
sl@0: 	"x509_store",
sl@0: 	"ssl_ctx",
sl@0: 	"ssl_cert",
sl@0: 	"ssl_session",
sl@0: 	"ssl_sess_cert",
sl@0: 	"ssl",
sl@0: 	"ssl_method",
sl@0: 	"rand",
sl@0: 	"rand2",
sl@0: 	"debug_malloc",
sl@0: 	"BIO",
sl@0: 	"gethostbyname",
sl@0: 	"getservbyname",
sl@0: 	"readdir",
sl@0: 	"RSA_blinding",
sl@0: 	"dh",
sl@0: 	"debug_malloc2",
sl@0: 	"dso",
sl@0: 	"dynlock",
sl@0: 	"engine",
sl@0: 	"ui",
sl@0: 	"ecdsa",
sl@0: 	"ec",
sl@0: 	"ecdh",
sl@0: 	"bn",
sl@0: 	"ec_pre_comp",
sl@0: 	"store",
sl@0: 	"comp",
sl@0: #if CRYPTO_NUM_LOCKS != 39
sl@0: # error "Inconsistency between crypto.h and cryptlib.c"
sl@0: #endif
sl@0: 	};
sl@0: #else
sl@0: 
sl@0: static const char *const lock_names[CRYPTO_NUM_LOCKS] =
sl@0: 	{
sl@0: 	"<<ERROR>>",
sl@0: 	"err",
sl@0: 	"ex_data",
sl@0: 	"x509",
sl@0: 	"x509_info",
sl@0: 	"x509_pkey",
sl@0: 	"x509_crl",
sl@0: 	"x509_req",
sl@0: 	"dsa",
sl@0: 	"rsa",
sl@0: 	"evp_pkey",
sl@0: 	"x509_store",
sl@0: 	"ssl_ctx",
sl@0: 	"ssl_cert",
sl@0: 	"ssl_session",
sl@0: 	"ssl_sess_cert",
sl@0: 	"ssl",
sl@0: 	"ssl_method",
sl@0: 	"rand",
sl@0: 	"rand2",
sl@0: 	"debug_malloc",
sl@0: 	"BIO",
sl@0: 	"gethostbyname",
sl@0: 	"getservbyname",
sl@0: 	"readdir",
sl@0: 	"RSA_blinding",
sl@0: 	"dh",
sl@0: 	"debug_malloc2",
sl@0: 	"dso",
sl@0: 	"dynlock",
sl@0: 	"engine",
sl@0: 	"ui",
sl@0: 	"ecdsa",
sl@0: 	"ec",
sl@0: 	"ecdh",
sl@0: 	"bn",
sl@0: 	"ec_pre_comp",
sl@0: 	"store",
sl@0: 	"comp",
sl@0: #if CRYPTO_NUM_LOCKS != 39
sl@0: # error "Inconsistency between crypto.h and cryptlib.c"
sl@0: #endif
sl@0: 	};
sl@0: #endif //EMULATOR
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: /* This is for applications to allocate new type names in the non-dynamic
sl@0:    array of lock names.  These are numbered with positive numbers.  */
sl@0: static STACK *app_locks=NULL;
sl@0: /* For applications that want a more dynamic way of handling threads, the
sl@0:    following stack is used.  These are externally numbered with negative
sl@0:    numbers.  */
sl@0: static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
sl@0: 
sl@0: #else
sl@0:  GET_STATIC_VAR_FROM_TLS(app_locks,cryptlib,STACK *)
sl@0:  #define app_locks (*GET_WSD_VAR_NAME(app_locks,cryptlib,s)())
sl@0:  GET_STATIC_VAR_FROM_TLS(dyn_locks,cryptlib,STACK_OF(CRYPTO_dynlock)*)
sl@0:  #define dyn_locks (*GET_WSD_VAR_NAME(dyn_locks,cryptlib,s)())
sl@0: #endif
sl@0: 
sl@0: #ifndef EMULATOR
sl@0: static void (MS_FAR *locking_callback)(int mode,int type,
sl@0: 	const char *file,int line)=NULL;
sl@0: static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
sl@0: 	int type,const char *file,int line)=NULL;
sl@0: static unsigned long (MS_FAR *id_callback)(void)=NULL;
sl@0: static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
sl@0: 	(const char *file,int line)=NULL;
sl@0: static void (MS_FAR *dynlock_lock_callback)(int mode,
sl@0: 	struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL;
sl@0: static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
sl@0: 	const char *file,int line)=NULL;
sl@0: #else
sl@0: #define locking_callback libcrypto_ImpurePtr()->locking_callback
sl@0: #define add_lock_callback libcrypto_ImpurePtr()->add_lock_callback
sl@0: #define id_callback libcrypto_ImpurePtr()->id_callback
sl@0: #define dynlock_create_callback libcrypto_ImpurePtr()->dynlock_create_callback
sl@0: #define dynlock_lock_callback libcrypto_ImpurePtr()->dynlock_lock_callback
sl@0: #define dynlock_destroy_callback libcrypto_ImpurePtr()->dynlock_destroy_callback
sl@0: #endif	
sl@0: 
sl@0: EXPORT_C int CRYPTO_get_new_lockid(char *name)
sl@0: 	{
sl@0: 	char *str;
sl@0: 	int i;
sl@0: 
sl@0: #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
sl@0: 	/* A hack to make Visual C++ 5.0 work correctly when linking as
sl@0: 	 * a DLL using /MT. Without this, the application cannot use
sl@0: 	 * and floating point printf's.
sl@0: 	 * It also seems to be needed for Visual C 1.5 (win16) */
sl@0: 	SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
sl@0: #endif
sl@0: 
sl@0: 	if ((app_locks == NULL) && ((app_locks=sk_new_null()) == NULL))
sl@0: 		{
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	if ((str=BUF_strdup(name)) == NULL)
sl@0: 		{
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	i=sk_push(app_locks,str);
sl@0: 	if (!i)
sl@0: 		OPENSSL_free(str);
sl@0: 	else
sl@0: 		i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
sl@0: 	return(i);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_num_locks(void)
sl@0: 	{
sl@0: 	return CRYPTO_NUM_LOCKS;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_get_new_dynlockid(void)
sl@0: 	{
sl@0: 	int i = 0;
sl@0: 	CRYPTO_dynlock *pointer = NULL;
sl@0: 
sl@0: 	if (dynlock_create_callback == NULL)
sl@0: 		{
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
sl@0: 	if ((dyn_locks == NULL)&&((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
sl@0: 		{
sl@0: 		CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
sl@0: 	if (pointer == NULL)
sl@0: 		{
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 	pointer->references = 1;
sl@0: 	pointer->data = dynlock_create_callback(__FILE__,__LINE__);
sl@0: 	if (pointer->data == NULL)
sl@0: 		{
sl@0: 		OPENSSL_free(pointer);
sl@0: 		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
sl@0: 		return(0);
sl@0: 		}
sl@0: 
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
sl@0: 	/* First, try to find an existing empty slot */
sl@0: 	i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
sl@0: 	/* If there was none, push, thereby creating a new one */
sl@0: 	if (i == -1)
sl@0: 		/* Since sk_push() returns the number of items on the
sl@0: 		   stack, not the location of the pushed item, we need
sl@0: 		   to transform the returned number into a position,
sl@0: 		   by decreasing it.  */
sl@0: 		i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
sl@0: 	else
sl@0: 		/* If we found a place with a NULL pointer, put our pointer
sl@0: 		   in it.  */
sl@0: 		(void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	if (i == -1)
sl@0: 		{
sl@0: 		dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
sl@0: 		OPENSSL_free(pointer);
sl@0: 		}
sl@0: 	else
sl@0: 		i += 1; /* to avoid 0 */
sl@0: 	return -i;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_destroy_dynlockid(int i)
sl@0: 	{
sl@0: 	CRYPTO_dynlock *pointer = NULL;
sl@0: 	if (i)
sl@0: 		i = -i-1;
sl@0: 	if (dynlock_destroy_callback == NULL)
sl@0: 		return;
sl@0: 
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
sl@0: 		{
sl@0: 		CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 		return;
sl@0: 		}
sl@0: 	pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
sl@0: 	if (pointer != NULL)
sl@0: 		{
sl@0: 		--pointer->references;
sl@0: #ifdef REF_CHECK
sl@0: 		if (pointer->references < 0)
sl@0: 			{
sl@0: 			fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
sl@0: 			abort();
sl@0: 			}
sl@0: 		else
sl@0: #endif
sl@0: 			if (pointer->references <= 0)
sl@0: 				{
sl@0: 				(void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
sl@0: 				}
sl@0: 			else
sl@0: 				pointer = NULL;
sl@0: 		}
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	if (pointer)
sl@0: 		{
sl@0: 		dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
sl@0: 		OPENSSL_free(pointer);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: EXPORT_C struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
sl@0: 	{
sl@0: 	CRYPTO_dynlock *pointer = NULL;
sl@0: 	if (i)
sl@0: 		i = -i-1;
sl@0: 
sl@0: 	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
sl@0: 		pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
sl@0: 	if (pointer)
sl@0: 		pointer->references++;
sl@0: 
sl@0: 	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
sl@0: 
sl@0: 	if (pointer)
sl@0: 		return pointer->data;
sl@0: 	return NULL;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
sl@0: 	(const char *file,int line)
sl@0: 	{
sl@0: 	return(dynlock_create_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
sl@0: 	struct CRYPTO_dynlock_value *l, const char *file,int line)
sl@0: 	{
sl@0: 	return(dynlock_lock_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void (*CRYPTO_get_dynlock_destroy_callback(void))
sl@0: 	(struct CRYPTO_dynlock_value *l, const char *file,int line)
sl@0: 	{
sl@0: 	return(dynlock_destroy_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
sl@0: 	(const char *file, int line))
sl@0: 	{
sl@0: 	dynlock_create_callback=func;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
sl@0: 	struct CRYPTO_dynlock_value *l, const char *file, int line))
sl@0: 	{
sl@0: 	dynlock_lock_callback=func;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_dynlock_destroy_callback(void (*func)
sl@0: 	(struct CRYPTO_dynlock_value *l, const char *file, int line))
sl@0: 	{
sl@0: 	dynlock_destroy_callback=func;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: EXPORT_C void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
sl@0: 		int line)
sl@0: 	{
sl@0: 	return(locking_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
sl@0: 					  const char *file,int line)
sl@0: 	{
sl@0: 	return(add_lock_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
sl@0: 					      const char *file,int line))
sl@0: 	{
sl@0: 	locking_callback=func;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
sl@0: 					      const char *file,int line))
sl@0: 	{
sl@0: 	add_lock_callback=func;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C unsigned long (*CRYPTO_get_id_callback(void))(void)
sl@0: 	{
sl@0: 	return(id_callback);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_set_id_callback(unsigned long (*func)(void))
sl@0: 	{
sl@0: 	id_callback=func;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C unsigned long CRYPTO_thread_id(void)
sl@0: 	{
sl@0: 	unsigned long ret=0;
sl@0: 
sl@0: 	if (id_callback == NULL)
sl@0: 		{
sl@0: #ifdef OPENSSL_SYS_WIN16
sl@0: 		ret=(unsigned long)GetCurrentTask();
sl@0: #elif defined(OPENSSL_SYS_WIN32)
sl@0: 		ret=(unsigned long)GetCurrentThreadId();
sl@0: #elif defined(GETPID_IS_MEANINGLESS)
sl@0: 		ret=1L;
sl@0: #else
sl@0: 		//ret=(unsigned long)getpid();
sl@0: 		//ret=(unsigned long)getpid(;
sl@0: #endif
sl@0: 		}
sl@0: 	else
sl@0: 		ret=id_callback();
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CRYPTO_lock(int mode, int type, const char *file, int line)
sl@0: 	{
sl@0: #ifdef LOCK_DEBUG
sl@0: 		{
sl@0: 		char *rw_text,*operation_text;
sl@0: 
sl@0: 		if (mode & CRYPTO_LOCK)
sl@0: 			operation_text="lock  ";
sl@0: 		else if (mode & CRYPTO_UNLOCK)
sl@0: 			operation_text="unlock";
sl@0: 		else
sl@0: 			operation_text="ERROR ";
sl@0: 
sl@0: 		if (mode & CRYPTO_READ)
sl@0: 			rw_text="r";
sl@0: 		else if (mode & CRYPTO_WRITE)
sl@0: 			rw_text="w";
sl@0: 		else
sl@0: 			rw_text="ERROR";
sl@0: 
sl@0: 		fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
sl@0: 			CRYPTO_thread_id(), rw_text, operation_text,
sl@0: 			CRYPTO_get_lock_name(type), file, line);
sl@0: 		}
sl@0: #endif
sl@0: 	if (type < 0)
sl@0: 		{
sl@0: 		if (dynlock_lock_callback != NULL)
sl@0: 			{
sl@0: 			struct CRYPTO_dynlock_value *pointer
sl@0: 				= CRYPTO_get_dynlock_value(type);
sl@0: 
sl@0: 			OPENSSL_assert(pointer != NULL);
sl@0: 
sl@0: 			dynlock_lock_callback(mode, pointer, file, line);
sl@0: 
sl@0: 			CRYPTO_destroy_dynlockid(type);
sl@0: 			}
sl@0: 		}
sl@0: 	else
sl@0: 		if (locking_callback != NULL)
sl@0: 			locking_callback(mode,type,file,line);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
sl@0: 	     int line)
sl@0: 	{
sl@0: 	int ret = 0;
sl@0: 
sl@0: 	if (add_lock_callback != NULL)
sl@0: 		{
sl@0: #ifdef LOCK_DEBUG
sl@0: 		int before= *pointer;
sl@0: #endif
sl@0: 
sl@0: 		ret=add_lock_callback(pointer,amount,type,file,line);
sl@0: #ifdef LOCK_DEBUG
sl@0: 		fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
sl@0: 			CRYPTO_thread_id(),
sl@0: 			before,amount,ret,
sl@0: 			CRYPTO_get_lock_name(type),
sl@0: 			file,line);
sl@0: #endif
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
sl@0: 
sl@0: 		ret= *pointer+amount;
sl@0: #ifdef LOCK_DEBUG
sl@0: 		fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
sl@0: 			CRYPTO_thread_id(),
sl@0: 			*pointer,amount,ret,
sl@0: 			CRYPTO_get_lock_name(type),
sl@0: 			file,line);
sl@0: #endif
sl@0: 		*pointer=ret;
sl@0: 		CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
sl@0: 		}
sl@0: 	return(ret);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C const char *CRYPTO_get_lock_name(int type)
sl@0: 	{
sl@0: 	if (type < 0)
sl@0: 		return("dynamic");
sl@0: 	else if (type < CRYPTO_NUM_LOCKS)
sl@0: 		return(lock_names[type]);
sl@0: 	else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks))
sl@0: 		return("ERROR");
sl@0: 	else
sl@0: 		return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS));
sl@0: 	}
sl@0: 
sl@0: #if	defined(__i386)   || defined(__i386__)   || defined(_M_IX86) || \
sl@0: 	defined(__INTEL__) || \
sl@0: 	defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64)
sl@0: 
sl@0: unsigned long  OPENSSL_ia32cap_P=0;
sl@0: EXPORT_C unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
sl@0: 
sl@0: #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
sl@0: #define OPENSSL_CPUID_SETUP
sl@0: EXPORT_C void OPENSSL_cpuid_setup(void)
sl@0: { static int trigger=0;
sl@0:   unsigned long OPENSSL_ia32_cpuid(void);
sl@0:   char *env;
sl@0: 
sl@0:     if (trigger)	return;
sl@0: 
sl@0:     trigger=1;
sl@0:     if ((env=getenv("OPENSSL_ia32cap")))
sl@0: 	OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10);
sl@0:     else
sl@0: 	OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10);
sl@0:     /*
sl@0:      * |(1<<10) sets a reserved bit to signal that variable
sl@0:      * was initialized already... This is to avoid interference
sl@0:      * with cpuid snippets in ELF .init segment.
sl@0:      */
sl@0: }
sl@0: #endif
sl@0: 
sl@0: #else
sl@0: EXPORT_C unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
sl@0: #endif
sl@0: int OPENSSL_NONPIC_relocated = 0;
sl@0: #if !defined(OPENSSL_CPUID_SETUP)
sl@0: EXPORT_C void OPENSSL_cpuid_setup(void) {}
sl@0: #endif
sl@0: 
sl@0: #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
sl@0: #ifdef __CYGWIN__
sl@0: /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
sl@0: #include <windows.h>
sl@0: #endif
sl@0: 
sl@0: /* All we really need to do is remove the 'error' state when a thread
sl@0:  * detaches */
sl@0: 
sl@0: BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
sl@0: 	     LPVOID lpvReserved)
sl@0: 	{
sl@0: 	switch(fdwReason)
sl@0: 		{
sl@0: 	case DLL_PROCESS_ATTACH:
sl@0: 		OPENSSL_cpuid_setup();
sl@0: #if defined(_WIN32_WINNT)
sl@0: 		{
sl@0: 		IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL;
sl@0: 		IMAGE_NT_HEADERS *nt_headers;
sl@0: 
sl@0: 		if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
sl@0: 			{
sl@0: 			nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header
sl@0: 						+ dos_header->e_lfanew);
sl@0: 			if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
sl@0: 			    hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
sl@0: 				OPENSSL_NONPIC_relocated=1;
sl@0: 			}
sl@0: 		}
sl@0: #endif
sl@0: 		break;
sl@0: 	case DLL_THREAD_ATTACH:
sl@0: 		break;
sl@0: 	case DLL_THREAD_DETACH:
sl@0: 		ERR_remove_state(0);
sl@0: 		break;
sl@0: 	case DLL_PROCESS_DETACH:
sl@0: 		break;
sl@0: 		}
sl@0: 	return(TRUE);
sl@0: 	}
sl@0: #endif
sl@0: 
sl@0: #if defined(_WIN32) && !defined(__CYGWIN__)&& !defined(SYMBIAN)
sl@0: #include <tchar.h>
sl@0: 
sl@0: #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
sl@0: EXPORT_C int OPENSSL_isservice(void)
sl@0: { HWINSTA h;
sl@0:   DWORD len;
sl@0:   WCHAR *name;
sl@0: 
sl@0:     (void)GetDesktopWindow(); /* return value is ignored */
sl@0: 
sl@0:     h = GetProcessWindowStation();
sl@0:     if (h==NULL) return -1;
sl@0: 
sl@0:     if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) ||
sl@0: 	GetLastError() != ERROR_INSUFFICIENT_BUFFER)
sl@0: 	return -1;
sl@0: 
sl@0:     if (len>512) return -1;		/* paranoia */
sl@0:     len++,len&=~1;			/* paranoia */
sl@0: #ifdef _MSC_VER
sl@0:     name=(WCHAR *)_alloca(len+sizeof(WCHAR));
sl@0: #else
sl@0:     name=(WCHAR *)alloca(len+sizeof(WCHAR));
sl@0: #endif
sl@0:     if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
sl@0: 	return -1;
sl@0: 
sl@0:     len++,len&=~1;			/* paranoia */
sl@0:     name[len/sizeof(WCHAR)]=L'\0';	/* paranoia */
sl@0: #if 1
sl@0:     /* This doesn't cover "interactive" services [working with real
sl@0:      * WinSta0's] nor programs started non-interactively by Task
sl@0:      * Scheduler [those are working with SAWinSta]. */
sl@0:     if (wcsstr(name,L"Service-0x"))	return 1;
sl@0: #else
sl@0:     /* This covers all non-interactive programs such as services. */
sl@0:     if (!wcsstr(name,L"WinSta0"))	return 1;
sl@0: #endif
sl@0:     else				return 0;
sl@0: }
sl@0: #else
sl@0: EXPORT_C int OPENSSL_isservice(void) { return 0; }
sl@0: #endif
sl@0: 
sl@0: EXPORT_C void OPENSSL_showfatal (const char *fmta,...)
sl@0: { va_list ap;
sl@0: #ifndef SYMBIAN	
sl@0:   TCHAR buf[256];
sl@0: #else
sl@0:   TCHAR buf[100];
sl@0: #endif  
sl@0:   const TCHAR *fmt;
sl@0: #ifdef STD_ERROR_HANDLE	/* what a dirty trick! */
sl@0:   HANDLE h;
sl@0: 
sl@0:     if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL &&
sl@0: 	GetFileType(h)!=FILE_TYPE_UNKNOWN)
sl@0:     {	/* must be console application */
sl@0: 	va_start (ap,fmta);
sl@0: 	vfprintf (stderr,fmta,ap);
sl@0: 	va_end (ap);
sl@0: 	return;
sl@0:     }
sl@0: #endif
sl@0: 
sl@0:     if (sizeof(TCHAR)==sizeof(char))
sl@0: 	fmt=(const TCHAR *)fmta;
sl@0:     else do
sl@0:     { int    keepgoing;
sl@0:       size_t len_0=strlen(fmta)+1,i;
sl@0:       WCHAR *fmtw;
sl@0: 
sl@0: #ifdef _MSC_VER
sl@0: 	fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR));
sl@0: #else
sl@0: 	fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR));
sl@0: #endif
sl@0: 	if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; }
sl@0: 
sl@0: #ifndef OPENSSL_NO_MULTIBYTE
sl@0: 	if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0))
sl@0: #endif
sl@0: 	    for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i];
sl@0: 
sl@0: 	for (i=0;i<len_0;i++)
sl@0: 	{   if (fmtw[i]==L'%') do
sl@0: 	    {	keepgoing=0;
sl@0: 		switch (fmtw[i+1])
sl@0: 		{   case L'0': case L'1': case L'2': case L'3': case L'4':
sl@0: 		    case L'5': case L'6': case L'7': case L'8': case L'9':
sl@0: 		    case L'.': case L'*':
sl@0: 		    case L'-':	i++; keepgoing=1; break;
sl@0: 		    case L's':	fmtw[i+1]=L'S';   break;
sl@0: 		    case L'S':	fmtw[i+1]=L's';   break;
sl@0: 		    case L'c':	fmtw[i+1]=L'C';   break;
sl@0: 		    case L'C':	fmtw[i+1]=L'c';   break;
sl@0: 		}
sl@0: 	    } while (keepgoing);
sl@0: 	}
sl@0: 	fmt = (const TCHAR *)fmtw;
sl@0:     } while (0);
sl@0: 
sl@0:     va_start (ap,fmta);
sl@0:     _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap);
sl@0:     buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0');
sl@0:     va_end (ap);
sl@0: 
sl@0: #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
sl@0:     /* this -------------v--- guards NT-specific calls */
sl@0:     if (GetVersion() < 0x80000000 && OPENSSL_isservice())
sl@0:     {	HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
sl@0: 	const TCHAR *pmsg=buf;
sl@0: 	ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
sl@0: 	DeregisterEventSource(h);
sl@0:     }
sl@0:     else
sl@0: #endif
sl@0: 	MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP);
sl@0: }
sl@0: #else
sl@0: EXPORT_C void OPENSSL_showfatal (const char *fmta,...)
sl@0: { va_list ap;
sl@0: 
sl@0:     va_start (ap,fmta);
sl@0:     vfprintf (stderr,fmta,ap);
sl@0:     va_end (ap);
sl@0: }
sl@0: EXPORT_C int OPENSSL_isservice (void) { return 0; }
sl@0: #endif
sl@0: 
sl@0: EXPORT_C void OpenSSLDie(const char *file,int line,const char *assertion)
sl@0: 	{
sl@0: 	OPENSSL_showfatal(
sl@0: 		"%s(%d): OpenSSL internal error, assertion failed: %s\n",
sl@0: 		file,line,assertion);
sl@0: 	abort();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void *OPENSSL_stderr(void)	{ return stderr; }
sl@0: