1 /* crypto/cryptlib.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
65 #if defined(WIN32) || defined(WIN16)
66 static double SSLeay_MSVC5_hack
=0.0; /* and for VC1.5 */
69 /* real #defines in crypto.h, keep these upto date */
70 static char* lock_names
[CRYPTO_NUM_LOCKS
] =
95 static STACK
*app_locks
=NULL
;
98 static void (MS_FAR
*locking_callback
)(int mode
,int type
,
99 char *file
,int line
)=NULL
;
100 static int (MS_FAR
*add_lock_callback
)(int *pointer
,int amount
,
101 int type
,char *file
,int line
)=NULL
;
102 static unsigned long (MS_FAR
*id_callback
)(void)=NULL
;
104 static void (MS_FAR
*locking_callback
)()=NULL
;
105 static int (MS_FAR
*add_lock_callback
)()=NULL
;
106 static unsigned long (MS_FAR
*id_callback
)()=NULL
;
109 int CRYPTO_get_new_lockid(name
)
115 /* A hack to make Visual C++ 5.0 work correctly when linking as
116 * a DLL using /MT. Without this, the application cannot use
117 * and floating point printf's.
118 * It also seems to be needed for Visual C 1.5 (win16) */
119 #if defined(WIN32) || defined(WIN16)
120 SSLeay_MSVC5_hack
=(double)name
[0]*(double)name
[1];
123 if ((app_locks
== NULL
) && ((app_locks
=sk_new_null()) == NULL
))
125 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID
,ERR_R_MALLOC_FAILURE
);
128 if ((str
=BUF_strdup(name
)) == NULL
)
130 i
=sk_push(app_locks
,str
);
134 i
+=CRYPTO_NUM_LOCKS
; /* gap of one :-) */
138 void (*CRYPTO_get_locking_callback(P_V
))(P_I_I_P_I
)
140 return(locking_callback
);
143 int (*CRYPTO_get_add_lock_callback(P_V
))(P_IP_I_I_P_I
)
145 return(add_lock_callback
);
148 void CRYPTO_set_locking_callback(func
)
149 void (*func
)(P_I_I_P_I
);
151 locking_callback
=func
;
154 void CRYPTO_set_add_lock_callback(func
)
155 int (*func
)(P_IP_I_I_P_I
);
157 add_lock_callback
=func
;
160 unsigned long (*CRYPTO_get_id_callback(P_V
))(P_V
)
165 void CRYPTO_set_id_callback(func
)
166 unsigned long (*func
)(P_V
);
171 unsigned long CRYPTO_thread_id()
175 if (id_callback
== NULL
)
178 ret
=(unsigned long)GetCurrentTask();
180 ret
=(unsigned long)GetCurrentThreadId();
184 ret
=(unsigned long)getpid();
192 void CRYPTO_lock(mode
,type
,file
,line
)
200 char *rw_text
,*operation_text
;
202 if (mode
& CRYPTO_LOCK
)
203 operation_text
="lock ";
204 else if (mode
& CRYPTO_UNLOCK
)
205 operation_text
="unlock";
207 operation_text
="ERROR ";
209 if (mode
& CRYPTO_READ
)
211 else if (mode
& CRYPTO_WRITE
)
216 fprintf(stderr
,"lock:%08lx:(%s)%s %-18s %s:%d\n",
217 CRYPTO_thread_id(), rw_text
, operation_text
,
218 CRYPTO_get_lock_name(type
), file
, line
);
221 if (locking_callback
!= NULL
)
222 locking_callback(mode
,type
,file
,line
);
225 int CRYPTO_add_lock(pointer
,amount
,type
,file
,line
)
234 if (add_lock_callback
!= NULL
)
237 int before
= *pointer
;
240 ret
=add_lock_callback(pointer
,amount
,type
,file
,line
);
242 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
245 CRYPTO_get_lock_name(type
),
252 CRYPTO_lock(CRYPTO_LOCK
|CRYPTO_WRITE
,type
,file
,line
);
254 ret
= *pointer
+amount
;
256 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
259 CRYPTO_get_lock_name(type
),
263 CRYPTO_lock(CRYPTO_UNLOCK
|CRYPTO_WRITE
,type
,file
,line
);
268 char *CRYPTO_get_lock_name(type
)
273 else if (type
< CRYPTO_NUM_LOCKS
)
274 return(lock_names
[type
]);
275 else if (type
-CRYPTO_NUM_LOCKS
>= sk_num(app_locks
))
278 return(sk_value(app_locks
,type
-CRYPTO_NUM_LOCKS
));
284 /* All we really need to do is remove the 'error' state when a thread
287 BOOL WINAPI
DLLEntryPoint(hinstDLL
,fdwReason
,lpvReserved
)
294 case DLL_PROCESS_ATTACH
:
296 case DLL_THREAD_ATTACH
:
298 case DLL_THREAD_DETACH
:
301 case DLL_PROCESS_DETACH
: