/* crypto/cryptlib.c */
+/* ====================================================================
+ * Copyright (c) 1998-2002 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.
*
* 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 <stdio.h>
#include <string.h>
#include "cryptlib.h"
#include <openssl/crypto.h>
+#include <openssl/safestack.h>
-#if defined(WIN32) || defined(WIN16)
+#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)
+IMPLEMENT_STACK_OF(CRYPTO_dynlock)
+
/* real #defines in crypto.h, keep these upto date */
static const char* lock_names[CRYPTO_NUM_LOCKS] =
{
"<<ERROR>>",
"err",
- "err_hash",
+ "ex_data",
"x509",
"x509_info",
"x509_pkey",
"ssl_session",
"ssl_sess_cert",
"ssl",
+ "ssl_method",
"rand",
+ "rand2",
"debug_malloc",
"BIO",
"gethostbyname",
"RSA_blinding",
"dh",
"debug_malloc2",
-#if CRYPTO_NUM_LOCKS != 26
+ "dso",
+ "dynlock",
+ "engine",
+ "ui",
+ "ecdsa",
+ "ec",
+ "ecdh",
+ "bn",
+#if CRYPTO_NUM_LOCKS != 36
# 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 *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)=NULL;
static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
int type,const char *file,int line)=NULL;
static unsigned long (MS_FAR *id_callback)(void)=NULL;
+static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
+ (const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_lock_callback)(int mode,
+ struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
+ const char *file,int line)=NULL;
+
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) */
-#if defined(WIN32) || defined(WIN16)
SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
#endif
return(0);
}
if ((str=BUF_strdup(name)) == NULL)
+ {
+ CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
return(0);
+ }
i=sk_push(app_locks,str);
if (!i)
- Free(str);
+ OPENSSL_free(str);
else
i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
return(i);
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)
+ i=sk_CRYPTO_dynlock_push(dyn_locks,pointer);
+ CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+ if (!i)
+ {
+ 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)
+ {
+ 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)
{
if (id_callback == NULL)
{
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
ret=(unsigned long)GetCurrentTask();
-#elif defined(WIN32)
+#elif defined(OPENSSL_SYS_WIN32)
ret=(unsigned long)GetCurrentThreadId();
-#elif defined(MSDOS)
+#elif defined(GETPID_IS_MEANINGLESS)
ret=1L;
#else
ret=(unsigned long)getpid();
CRYPTO_get_lock_name(type), file, line);
}
#endif
- if (locking_callback != NULL)
- locking_callback(mode,type,file,line);
+ if (type < 0)
+ {
+ struct CRYPTO_dynlock_value *pointer
+ = CRYPTO_get_dynlock_value(type);
+
+ if (pointer && dynlock_lock_callback)
+ {
+ 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;
+ int ret = 0;
if (add_lock_callback != NULL)
{
CRYPTO_get_lock_name(type),
file,line);
#endif
- *pointer=ret;
}
else
{
const char *CRYPTO_get_lock_name(int type)
{
if (type < 0)
- return("ERROR");
+ return("dynamic");
else if (type < CRYPTO_NUM_LOCKS)
return(lock_names[type]);
- else if (type-CRYPTO_NUM_LOCKS >= sk_num(app_locks))
+ else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks))
return("ERROR");
else
return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS));
}
#ifdef _DLL
-#ifdef WIN32
+#ifdef OPENSSL_SYS_WIN32
/* All we really need to do is remove the 'error' state when a thread
* detaches */
projects / openssl.git / blobdiff