1 /* crypto/cryptlib.c */
2 /* ====================================================================
3 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
31 * 6. Redistributions of any form whatsoever must retain the following
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56 * All rights reserved.
58 * This package is an SSL implementation written
59 * by Eric Young (eay@cryptsoft.com).
60 * The implementation was written so as to conform with Netscapes SSL.
62 * This library is free for commercial and non-commercial use as long as
63 * the following conditions are aheared to. The following conditions
64 * apply to all code found in this distribution, be it the RC4, RSA,
65 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
66 * included with this distribution is covered by the same copyright terms
67 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
69 * Copyright remains Eric Young's, and as such any Copyright notices in
70 * the code are not to be removed.
71 * If this package is used in a product, Eric Young should be given attribution
72 * as the author of the parts of the library used.
73 * This can be in the form of a textual message at program startup or
74 * in documentation (online or textual) provided with the package.
76 * Redistribution and use in source and binary forms, with or without
77 * modification, are permitted provided that the following conditions
79 * 1. Redistributions of source code must retain the copyright
80 * notice, this list of conditions and the following disclaimer.
81 * 2. Redistributions in binary form must reproduce the above copyright
82 * notice, this list of conditions and the following disclaimer in the
83 * documentation and/or other materials provided with the distribution.
84 * 3. All advertising materials mentioning features or use of this software
85 * must display the following acknowledgement:
86 * "This product includes cryptographic software written by
87 * Eric Young (eay@cryptsoft.com)"
88 * The word 'cryptographic' can be left out if the rouines from the library
89 * being used are not cryptographic related :-).
90 * 4. If you include any Windows specific code (or a derivative thereof) from
91 * the apps directory (application code) you must include an acknowledgement:
92 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
94 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
106 * The licence and distribution terms for any publically available version or
107 * derivative of this code cannot be changed. i.e. this code cannot simply be
108 * copied and put under another distribution licence
109 * [including the GNU Public Licence.]
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECDH support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
117 #include "cryptlib.h"
118 #include <openssl/safestack.h>
120 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
121 static double SSLeay_MSVC5_hack
=0.0; /* and for VC1.5 */
124 DECLARE_STACK_OF(CRYPTO_dynlock
)
126 /* real #defines in crypto.h, keep these upto date */
127 static const char* const lock_names
[CRYPTO_NUM_LOCKS
] =
170 #if CRYPTO_NUM_LOCKS != 41
171 # error "Inconsistency between crypto.h and cryptlib.c"
175 /* This is for applications to allocate new type names in the non-dynamic
176 array of lock names. These are numbered with positive numbers. */
177 static STACK_OF(OPENSSL_STRING
) *app_locks
=NULL
;
179 /* For applications that want a more dynamic way of handling threads, the
180 following stack is used. These are externally numbered with negative
182 static STACK_OF(CRYPTO_dynlock
) *dyn_locks
=NULL
;
185 static void (MS_FAR
*locking_callback
)(int mode
,int type
,
186 const char *file
,int line
)=0;
187 static int (MS_FAR
*add_lock_callback
)(int *pointer
,int amount
,
188 int type
,const char *file
,int line
)=0;
189 #ifndef OPENSSL_NO_DEPRECATED
190 static unsigned long (MS_FAR
*id_callback
)(void)=0;
192 static void (MS_FAR
*threadid_callback
)(CRYPTO_THREADID
*)=0;
193 static struct CRYPTO_dynlock_value
*(MS_FAR
*dynlock_create_callback
)
194 (const char *file
,int line
)=0;
195 static void (MS_FAR
*dynlock_lock_callback
)(int mode
,
196 struct CRYPTO_dynlock_value
*l
, const char *file
,int line
)=0;
197 static void (MS_FAR
*dynlock_destroy_callback
)(struct CRYPTO_dynlock_value
*l
,
198 const char *file
,int line
)=0;
200 int CRYPTO_get_new_lockid(char *name
)
205 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
206 /* A hack to make Visual C++ 5.0 work correctly when linking as
207 * a DLL using /MT. Without this, the application cannot use
208 * any floating point printf's.
209 * It also seems to be needed for Visual C 1.5 (win16) */
210 SSLeay_MSVC5_hack
=(double)name
[0]*(double)name
[1];
213 if ((app_locks
== NULL
) && ((app_locks
=sk_OPENSSL_STRING_new_null()) == NULL
))
215 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID
,ERR_R_MALLOC_FAILURE
);
218 if ((str
=BUF_strdup(name
)) == NULL
)
220 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID
,ERR_R_MALLOC_FAILURE
);
223 i
=sk_OPENSSL_STRING_push(app_locks
,str
);
227 i
+=CRYPTO_NUM_LOCKS
; /* gap of one :-) */
231 int CRYPTO_num_locks(void)
233 return CRYPTO_NUM_LOCKS
;
236 int CRYPTO_get_new_dynlockid(void)
239 CRYPTO_dynlock
*pointer
= NULL
;
241 if (dynlock_create_callback
== NULL
)
243 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK
);
246 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
247 if ((dyn_locks
== NULL
)
248 && ((dyn_locks
=sk_CRYPTO_dynlock_new_null()) == NULL
))
250 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
251 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
,ERR_R_MALLOC_FAILURE
);
254 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
256 pointer
= (CRYPTO_dynlock
*)OPENSSL_malloc(sizeof(CRYPTO_dynlock
));
259 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
,ERR_R_MALLOC_FAILURE
);
262 pointer
->references
= 1;
263 pointer
->data
= dynlock_create_callback(__FILE__
,__LINE__
);
264 if (pointer
->data
== NULL
)
266 OPENSSL_free(pointer
);
267 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
,ERR_R_MALLOC_FAILURE
);
271 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
272 /* First, try to find an existing empty slot */
273 i
=sk_CRYPTO_dynlock_find(dyn_locks
,NULL
);
274 /* If there was none, push, thereby creating a new one */
276 /* Since sk_push() returns the number of items on the
277 stack, not the location of the pushed item, we need
278 to transform the returned number into a position,
280 i
=sk_CRYPTO_dynlock_push(dyn_locks
,pointer
) - 1;
282 /* If we found a place with a NULL pointer, put our pointer
284 (void)sk_CRYPTO_dynlock_set(dyn_locks
,i
,pointer
);
285 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
289 dynlock_destroy_callback(pointer
->data
,__FILE__
,__LINE__
);
290 OPENSSL_free(pointer
);
293 i
+= 1; /* to avoid 0 */
297 void CRYPTO_destroy_dynlockid(int i
)
299 CRYPTO_dynlock
*pointer
= NULL
;
302 if (dynlock_destroy_callback
== NULL
)
305 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
307 if (dyn_locks
== NULL
|| i
>= sk_CRYPTO_dynlock_num(dyn_locks
))
309 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
312 pointer
= sk_CRYPTO_dynlock_value(dyn_locks
, i
);
315 --pointer
->references
;
317 if (pointer
->references
< 0)
319 fprintf(stderr
,"CRYPTO_destroy_dynlockid, bad reference count\n");
324 if (pointer
->references
<= 0)
326 (void)sk_CRYPTO_dynlock_set(dyn_locks
, i
, NULL
);
331 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
335 dynlock_destroy_callback(pointer
->data
,__FILE__
,__LINE__
);
336 OPENSSL_free(pointer
);
340 struct CRYPTO_dynlock_value
*CRYPTO_get_dynlock_value(int i
)
342 CRYPTO_dynlock
*pointer
= NULL
;
346 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
348 if (dyn_locks
!= NULL
&& i
< sk_CRYPTO_dynlock_num(dyn_locks
))
349 pointer
= sk_CRYPTO_dynlock_value(dyn_locks
, i
);
351 pointer
->references
++;
353 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
356 return pointer
->data
;
360 struct CRYPTO_dynlock_value
*(*CRYPTO_get_dynlock_create_callback(void))
361 (const char *file
,int line
)
363 return(dynlock_create_callback
);
366 void (*CRYPTO_get_dynlock_lock_callback(void))(int mode
,
367 struct CRYPTO_dynlock_value
*l
, const char *file
,int line
)
369 return(dynlock_lock_callback
);
372 void (*CRYPTO_get_dynlock_destroy_callback(void))
373 (struct CRYPTO_dynlock_value
*l
, const char *file
,int line
)
375 return(dynlock_destroy_callback
);
378 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
*(*func
)
379 (const char *file
, int line
))
381 dynlock_create_callback
=func
;
384 void CRYPTO_set_dynlock_lock_callback(void (*func
)(int mode
,
385 struct CRYPTO_dynlock_value
*l
, const char *file
, int line
))
387 dynlock_lock_callback
=func
;
390 void CRYPTO_set_dynlock_destroy_callback(void (*func
)
391 (struct CRYPTO_dynlock_value
*l
, const char *file
, int line
))
393 dynlock_destroy_callback
=func
;
397 void (*CRYPTO_get_locking_callback(void))(int mode
,int type
,const char *file
,
400 return(locking_callback
);
403 int (*CRYPTO_get_add_lock_callback(void))(int *num
,int mount
,int type
,
404 const char *file
,int line
)
406 return(add_lock_callback
);
409 void CRYPTO_set_locking_callback(void (*func
)(int mode
,int type
,
410 const char *file
,int line
))
412 locking_callback
=func
;
415 void CRYPTO_set_add_lock_callback(int (*func
)(int *num
,int mount
,int type
,
416 const char *file
,int line
))
418 add_lock_callback
=func
;
421 /* the memset() here and in set_pointer() seem overkill, but for the sake of
422 * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two
423 * "equal" THREADID structs to not be memcmp()-identical. */
424 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID
*id
, unsigned long val
)
426 memset(id
, 0, sizeof(*id
));
430 static const unsigned char hash_coeffs
[] = { 3, 5, 7, 11, 13, 17, 19, 23 };
431 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID
*id
, void *ptr
)
433 unsigned char *dest
= (void *)&id
->val
;
434 unsigned int accum
= 0;
435 unsigned char dnum
= sizeof(id
->val
);
437 memset(id
, 0, sizeof(*id
));
439 if (sizeof(id
->val
) >= sizeof(id
->ptr
))
441 /* 'ptr' can be embedded in 'val' without loss of uniqueness */
442 id
->val
= (unsigned long)id
->ptr
;
445 /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
446 * linear function over the bytes in 'ptr', the co-efficients of which
447 * are a sequence of low-primes (hash_coeffs is an 8-element cycle) -
448 * the starting prime for the sequence varies for each byte of 'val'
449 * (unique polynomials unless pointers are >64-bit). For added spice,
450 * the totals accumulate rather than restarting from zero, and the index
451 * of the 'val' byte is added each time (position dependence). If I was
452 * a black-belt, I'd scan big-endian pointers in reverse to give
453 * low-order bits more play, but this isn't crypto and I'd prefer nobody
454 * mistake it as such. Plus I'm lazy. */
457 const unsigned char *src
= (void *)&id
->ptr
;
458 unsigned char snum
= sizeof(id
->ptr
);
460 accum
+= *(src
++) * hash_coeffs
[(snum
+ dnum
) & 7];
462 *(dest
++) = accum
& 255;
466 int CRYPTO_THREADID_set_callback(void (*func
)(CRYPTO_THREADID
*))
468 if (threadid_callback
)
470 threadid_callback
= func
;
474 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID
*)
476 return threadid_callback
;
479 void CRYPTO_THREADID_current(CRYPTO_THREADID
*id
)
481 if (threadid_callback
)
483 threadid_callback(id
);
486 #ifndef OPENSSL_NO_DEPRECATED
487 /* If the deprecated callback was set, fall back to that */
490 CRYPTO_THREADID_set_numeric(id
, id_callback());
494 /* Else pick a backup */
495 #ifdef OPENSSL_SYS_WIN16
496 CRYPTO_THREADID_set_numeric(id
, (unsigned long)GetCurrentTask());
497 #elif defined(OPENSSL_SYS_WIN32)
498 CRYPTO_THREADID_set_numeric(id
, (unsigned long)GetCurrentThreadId());
499 #elif defined(OPENSSL_SYS_BEOS)
500 CRYPTO_THREADID_set_numeric(id
, (unsigned long)find_thread(NULL
));
502 /* For everything else, default to using the address of 'errno' */
503 CRYPTO_THREADID_set_pointer(id
, &errno
);
507 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID
*a
, const CRYPTO_THREADID
*b
)
509 return memcmp(a
, b
, sizeof(*a
));
512 void CRYPTO_THREADID_cpy(CRYPTO_THREADID
*dest
, const CRYPTO_THREADID
*src
)
514 memcpy(dest
, src
, sizeof(*src
));
517 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID
*id
)
522 #ifndef OPENSSL_NO_DEPRECATED
523 unsigned long (*CRYPTO_get_id_callback(void))(void)
528 void CRYPTO_set_id_callback(unsigned long (*func
)(void))
533 unsigned long CRYPTO_thread_id(void)
537 if (id_callback
== NULL
)
539 #ifdef OPENSSL_SYS_WIN16
540 ret
=(unsigned long)GetCurrentTask();
541 #elif defined(OPENSSL_SYS_WIN32)
542 ret
=(unsigned long)GetCurrentThreadId();
543 #elif defined(GETPID_IS_MEANINGLESS)
545 #elif defined(OPENSSL_SYS_BEOS)
546 ret
=(unsigned long)find_thread(NULL
);
548 ret
=(unsigned long)getpid();
557 void CRYPTO_lock(int mode
, int type
, const char *file
, int line
)
562 char *rw_text
,*operation_text
;
564 if (mode
& CRYPTO_LOCK
)
565 operation_text
="lock ";
566 else if (mode
& CRYPTO_UNLOCK
)
567 operation_text
="unlock";
569 operation_text
="ERROR ";
571 if (mode
& CRYPTO_READ
)
573 else if (mode
& CRYPTO_WRITE
)
578 CRYPTO_THREADID_current(&id
);
579 fprintf(stderr
,"lock:%08lx:(%s)%s %-18s %s:%d\n",
580 CRYPTO_THREADID_hash(&id
), rw_text
, operation_text
,
581 CRYPTO_get_lock_name(type
), file
, line
);
586 if (dynlock_lock_callback
!= NULL
)
588 struct CRYPTO_dynlock_value
*pointer
589 = CRYPTO_get_dynlock_value(type
);
591 OPENSSL_assert(pointer
!= NULL
);
593 dynlock_lock_callback(mode
, pointer
, file
, line
);
595 CRYPTO_destroy_dynlockid(type
);
599 if (locking_callback
!= NULL
)
600 locking_callback(mode
,type
,file
,line
);
603 int CRYPTO_add_lock(int *pointer
, int amount
, int type
, const char *file
,
608 if (add_lock_callback
!= NULL
)
611 int before
= *pointer
;
614 ret
=add_lock_callback(pointer
,amount
,type
,file
,line
);
618 CRYPTO_THREADID_current(&id
);
619 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
620 CRYPTO_THREADID_hash(&id
), before
,amount
,ret
,
621 CRYPTO_get_lock_name(type
),
628 CRYPTO_lock(CRYPTO_LOCK
|CRYPTO_WRITE
,type
,file
,line
);
630 ret
= *pointer
+amount
;
634 CRYPTO_THREADID_current(&id
);
635 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
636 CRYPTO_THREADID_hash(&id
),
638 CRYPTO_get_lock_name(type
),
643 CRYPTO_lock(CRYPTO_UNLOCK
|CRYPTO_WRITE
,type
,file
,line
);
648 const char *CRYPTO_get_lock_name(int type
)
652 else if (type
< CRYPTO_NUM_LOCKS
)
653 return(lock_names
[type
]);
654 else if (type
-CRYPTO_NUM_LOCKS
> sk_OPENSSL_STRING_num(app_locks
))
657 return(sk_OPENSSL_STRING_value(app_locks
,type
-CRYPTO_NUM_LOCKS
));
660 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
661 defined(__INTEL__) || \
662 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
664 unsigned long OPENSSL_ia32cap_P
=0;
665 unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P
; }
667 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
668 #define OPENSSL_CPUID_SETUP
669 void OPENSSL_cpuid_setup(void)
670 { static int trigger
=0;
671 unsigned long OPENSSL_ia32_cpuid(void);
677 if ((env
=getenv("OPENSSL_ia32cap")))
678 OPENSSL_ia32cap_P
= strtoul(env
,NULL
,0)|(1<<10);
680 OPENSSL_ia32cap_P
= OPENSSL_ia32_cpuid()|(1<<10);
682 * |(1<<10) sets a reserved bit to signal that variable
683 * was initialized already... This is to avoid interference
684 * with cpuid snippets in ELF .init segment.
690 unsigned long *OPENSSL_ia32cap_loc(void) { return NULL
; }
692 int OPENSSL_NONPIC_relocated
= 0;
693 #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
694 void OPENSSL_cpuid_setup(void) {}
697 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
699 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
701 /* this has side-effect of _WIN32 getting defined, which otherwise
702 * is mutually exclusive with __CYGWIN__... */
705 /* All we really need to do is remove the 'error' state when a thread
708 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
,
713 case DLL_PROCESS_ATTACH
:
714 OPENSSL_cpuid_setup();
715 #if defined(_WIN32_WINNT)
717 IMAGE_DOS_HEADER
*dos_header
= (IMAGE_DOS_HEADER
*)hinstDLL
;
718 IMAGE_NT_HEADERS
*nt_headers
;
720 if (dos_header
->e_magic
==IMAGE_DOS_SIGNATURE
)
722 nt_headers
= (IMAGE_NT_HEADERS
*)((char *)dos_header
723 + dos_header
->e_lfanew
);
724 if (nt_headers
->Signature
==IMAGE_NT_SIGNATURE
&&
725 hinstDLL
!=(HINSTANCE
)(nt_headers
->OptionalHeader
.ImageBase
))
726 OPENSSL_NONPIC_relocated
=1;
731 case DLL_THREAD_ATTACH
:
733 case DLL_THREAD_DETACH
:
736 case DLL_PROCESS_DETACH
:
743 #if defined(_WIN32) && !defined(__CYGWIN__)
747 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
748 int OPENSSL_isservice(void)
752 static union { void *p
; int (*f
)(void); } _OPENSSL_isservice
= { NULL
};
754 if (_OPENSSL_isservice
.p
== NULL
) {
755 HANDLE h
= GetModuleHandle(NULL
);
757 _OPENSSL_isservice
.p
= GetProcAddress(h
,"_OPENSSL_isservice");
758 if (_OPENSSL_isservice
.p
== NULL
)
759 _OPENSSL_isservice
.p
= (void *)-1;
762 if (_OPENSSL_isservice
.p
!= (void *)-1)
763 return (*_OPENSSL_isservice
.f
)();
765 (void)GetDesktopWindow(); /* return value is ignored */
767 h
= GetProcessWindowStation();
768 if (h
==NULL
) return -1;
770 if (GetUserObjectInformationW (h
,UOI_NAME
,NULL
,0,&len
) ||
771 GetLastError() != ERROR_INSUFFICIENT_BUFFER
)
774 if (len
>512) return -1; /* paranoia */
775 len
++,len
&=~1; /* paranoia */
777 name
=(WCHAR
*)_alloca(len
+sizeof(WCHAR
));
779 name
=(WCHAR
*)alloca(len
+sizeof(WCHAR
));
781 if (!GetUserObjectInformationW (h
,UOI_NAME
,name
,len
,&len
))
784 len
++,len
&=~1; /* paranoia */
785 name
[len
/sizeof(WCHAR
)]=L
'\0'; /* paranoia */
787 /* This doesn't cover "interactive" services [working with real
788 * WinSta0's] nor programs started non-interactively by Task
789 * Scheduler [those are working with SAWinSta]. */
790 if (wcsstr(name
,L
"Service-0x")) return 1;
792 /* This covers all non-interactive programs such as services. */
793 if (!wcsstr(name
,L
"WinSta0")) return 1;
798 int OPENSSL_isservice(void) { return 0; }
801 void OPENSSL_showfatal (const char *fmta
,...)
805 #ifdef STD_ERROR_HANDLE /* what a dirty trick! */
808 if ((h
=GetStdHandle(STD_ERROR_HANDLE
)) != NULL
&&
809 GetFileType(h
)!=FILE_TYPE_UNKNOWN
)
810 { /* must be console application */
812 vfprintf (stderr
,fmta
,ap
);
818 if (sizeof(TCHAR
)==sizeof(char))
819 fmt
=(const TCHAR
*)fmta
;
822 size_t len_0
=strlen(fmta
)+1,i
;
826 fmtw
= (WCHAR
*)_alloca (len_0
*sizeof(WCHAR
));
828 fmtw
= (WCHAR
*)alloca (len_0
*sizeof(WCHAR
));
830 if (fmtw
== NULL
) { fmt
=(const TCHAR
*)L
"no stack?"; break; }
832 #ifndef OPENSSL_NO_MULTIBYTE
833 if (!MultiByteToWideChar(CP_ACP
,0,fmta
,len_0
,fmtw
,len_0
))
835 for (i
=0;i
<len_0
;i
++) fmtw
[i
]=(WCHAR
)fmta
[i
];
837 for (i
=0;i
<len_0
;i
++)
838 { if (fmtw
[i
]==L
'%') do
841 { case L
'0': case L
'1': case L
'2': case L
'3': case L
'4':
842 case L
'5': case L
'6': case L
'7': case L
'8': case L
'9':
843 case L
'.': case L
'*':
844 case L
'-': i
++; keepgoing
=1; break;
845 case L
's': fmtw
[i
+1]=L
'S'; break;
846 case L
'S': fmtw
[i
+1]=L
's'; break;
847 case L
'c': fmtw
[i
+1]=L
'C'; break;
848 case L
'C': fmtw
[i
+1]=L
'c'; break;
852 fmt
= (const TCHAR
*)fmtw
;
856 _vsntprintf (buf
,sizeof(buf
)/sizeof(TCHAR
)-1,fmt
,ap
);
857 buf
[sizeof(buf
)/sizeof(TCHAR
)-1] = _T('\0');
860 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
861 /* this -------------v--- guards NT-specific calls */
862 if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0)
863 { HANDLE h
= RegisterEventSource(0,_T("OPENSSL"));
864 const TCHAR
*pmsg
=buf
;
865 ReportEvent(h
,EVENTLOG_ERROR_TYPE
,0,0,0,1,0,&pmsg
,0);
866 DeregisterEventSource(h
);
870 MessageBox (NULL
,buf
,_T("OpenSSL: FATAL"),MB_OK
|MB_ICONSTOP
);
873 void OPENSSL_showfatal (const char *fmta
,...)
877 vfprintf (stderr
,fmta
,ap
);
880 int OPENSSL_isservice (void) { return 0; }
883 void OpenSSLDie(const char *file
,int line
,const char *assertion
)
886 "%s(%d): OpenSSL internal error, assertion failed: %s\n",
887 file
,line
,assertion
);
888 #if !defined(_WIN32) || defined(__CYGWIN__)
891 /* Win32 abort() customarily shows a dialog, but we just did that... */
897 void *OPENSSL_stderr(void) { return stderr
; }