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
] = {
169 #if CRYPTO_NUM_LOCKS != 41
170 # 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.
178 static STACK_OF(OPENSSL_STRING
) *app_locks
= NULL
;
181 * For applications that want a more dynamic way of handling threads, the
182 * following stack is used. These are externally numbered with negative
185 static STACK_OF(CRYPTO_dynlock
) *dyn_locks
= NULL
;
187 static void (MS_FAR
*locking_callback
) (int mode
, int type
,
188 const char *file
, int line
) = 0;
189 static int (MS_FAR
*add_lock_callback
) (int *pointer
, int amount
,
190 int type
, const char *file
,
192 #ifndef OPENSSL_NO_DEPRECATED
193 static unsigned long (MS_FAR
*id_callback
) (void) = 0;
195 static void (MS_FAR
*threadid_callback
) (CRYPTO_THREADID
*) = 0;
196 static struct CRYPTO_dynlock_value
*(MS_FAR
*dynlock_create_callback
)
197 (const char *file
, int line
) = 0;
198 static void (MS_FAR
*dynlock_lock_callback
) (int mode
,
199 struct CRYPTO_dynlock_value
*l
,
200 const char *file
, int line
) = 0;
201 static void (MS_FAR
*dynlock_destroy_callback
) (struct CRYPTO_dynlock_value
202 *l
, const char *file
,
205 int CRYPTO_get_new_lockid(char *name
)
210 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
212 * A hack to make Visual C++ 5.0 work correctly when linking as a DLL
213 * using /MT. Without this, the application cannot use any floating point
214 * printf's. It also seems to be needed for Visual C 1.5 (win16)
216 SSLeay_MSVC5_hack
= (double)name
[0] * (double)name
[1];
219 if ((app_locks
== NULL
)
220 && ((app_locks
= sk_OPENSSL_STRING_new_null()) == NULL
)) {
221 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID
, ERR_R_MALLOC_FAILURE
);
224 if ((str
= BUF_strdup(name
)) == NULL
) {
225 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID
, ERR_R_MALLOC_FAILURE
);
228 i
= sk_OPENSSL_STRING_push(app_locks
, str
);
232 i
+= CRYPTO_NUM_LOCKS
; /* gap of one :-) */
236 int CRYPTO_num_locks(void)
238 return CRYPTO_NUM_LOCKS
;
241 int CRYPTO_get_new_dynlockid(void)
244 CRYPTO_dynlock
*pointer
= NULL
;
246 if (dynlock_create_callback
== NULL
) {
247 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
,
248 CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK
);
251 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
252 if ((dyn_locks
== NULL
)
253 && ((dyn_locks
= sk_CRYPTO_dynlock_new_null()) == NULL
)) {
254 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
255 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
, ERR_R_MALLOC_FAILURE
);
258 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
260 pointer
= (CRYPTO_dynlock
*) OPENSSL_malloc(sizeof(CRYPTO_dynlock
));
261 if (pointer
== NULL
) {
262 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
, ERR_R_MALLOC_FAILURE
);
265 pointer
->references
= 1;
266 pointer
->data
= dynlock_create_callback(__FILE__
, __LINE__
);
267 if (pointer
->data
== NULL
) {
268 OPENSSL_free(pointer
);
269 CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID
, ERR_R_MALLOC_FAILURE
);
273 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
274 /* First, try to find an existing empty slot */
275 i
= sk_CRYPTO_dynlock_find(dyn_locks
, NULL
);
276 /* If there was none, push, thereby creating a new one */
279 * Since sk_push() returns the number of items on the stack, not the
280 * location of the pushed item, we need to transform the returned
281 * number into a position, by decreasing it.
283 i
= sk_CRYPTO_dynlock_push(dyn_locks
, pointer
) - 1;
286 * If we found a place with a NULL pointer, put our pointer in it.
288 (void)sk_CRYPTO_dynlock_set(dyn_locks
, i
, pointer
);
289 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
292 dynlock_destroy_callback(pointer
->data
, __FILE__
, __LINE__
);
293 OPENSSL_free(pointer
);
295 i
+= 1; /* to avoid 0 */
299 void CRYPTO_destroy_dynlockid(int i
)
301 CRYPTO_dynlock
*pointer
= NULL
;
304 if (dynlock_destroy_callback
== NULL
)
307 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
309 if (dyn_locks
== NULL
|| i
>= sk_CRYPTO_dynlock_num(dyn_locks
)) {
310 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
313 pointer
= sk_CRYPTO_dynlock_value(dyn_locks
, i
);
314 if (pointer
!= NULL
) {
315 --pointer
->references
;
317 if (pointer
->references
< 0) {
319 "CRYPTO_destroy_dynlockid, bad reference count\n");
323 if (pointer
->references
<= 0) {
324 (void)sk_CRYPTO_dynlock_set(dyn_locks
, i
, NULL
);
328 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
331 dynlock_destroy_callback(pointer
->data
, __FILE__
, __LINE__
);
332 OPENSSL_free(pointer
);
336 struct CRYPTO_dynlock_value
*CRYPTO_get_dynlock_value(int i
)
338 CRYPTO_dynlock
*pointer
= NULL
;
342 CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK
);
344 if (dyn_locks
!= NULL
&& i
< sk_CRYPTO_dynlock_num(dyn_locks
))
345 pointer
= sk_CRYPTO_dynlock_value(dyn_locks
, i
);
347 pointer
->references
++;
349 CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK
);
352 return pointer
->data
;
356 struct CRYPTO_dynlock_value
*(*CRYPTO_get_dynlock_create_callback(void))
357 (const char *file
, int line
) {
358 return (dynlock_create_callback
);
361 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode
,
362 struct CRYPTO_dynlock_value
363 *l
, const char *file
,
365 return (dynlock_lock_callback
);
368 void (*CRYPTO_get_dynlock_destroy_callback(void))
369 (struct CRYPTO_dynlock_value
*l
, const char *file
, int line
) {
370 return (dynlock_destroy_callback
);
373 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
*(*func
)
374 (const char *file
, int line
))
376 dynlock_create_callback
= func
;
379 void CRYPTO_set_dynlock_lock_callback(void (*func
) (int mode
,
381 CRYPTO_dynlock_value
*l
,
385 dynlock_lock_callback
= func
;
388 void CRYPTO_set_dynlock_destroy_callback(void (*func
)
389 (struct CRYPTO_dynlock_value
*l
,
390 const char *file
, int line
))
392 dynlock_destroy_callback
= func
;
395 void (*CRYPTO_get_locking_callback(void)) (int mode
, int type
,
396 const char *file
, int line
) {
397 return (locking_callback
);
400 int (*CRYPTO_get_add_lock_callback(void)) (int *num
, int mount
, int type
,
401 const char *file
, int line
) {
402 return (add_lock_callback
);
405 void CRYPTO_set_locking_callback(void (*func
) (int mode
, int type
,
406 const char *file
, int line
))
409 * Calling this here ensures initialisation before any threads are
413 locking_callback
= func
;
416 void CRYPTO_set_add_lock_callback(int (*func
) (int *num
, int mount
, int type
,
417 const char *file
, int line
))
419 add_lock_callback
= func
;
423 * the memset() here and in set_pointer() seem overkill, but for the sake of
424 * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause
425 * two "equal" THREADID structs to not be memcmp()-identical.
427 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID
*id
, unsigned long val
)
429 memset(id
, 0, sizeof(*id
));
433 static const unsigned char hash_coeffs
[] = { 3, 5, 7, 11, 13, 17, 19, 23 };
435 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID
*id
, void *ptr
)
437 unsigned char *dest
= (void *)&id
->val
;
438 unsigned int accum
= 0;
439 unsigned char dnum
= sizeof(id
->val
);
441 memset(id
, 0, sizeof(*id
));
443 if (sizeof(id
->val
) >= sizeof(id
->ptr
)) {
445 * 'ptr' can be embedded in 'val' without loss of uniqueness
447 id
->val
= (unsigned long)id
->ptr
;
451 * hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
452 * linear function over the bytes in 'ptr', the co-efficients of which
453 * are a sequence of low-primes (hash_coeffs is an 8-element cycle) - the
454 * starting prime for the sequence varies for each byte of 'val' (unique
455 * polynomials unless pointers are >64-bit). For added spice, the totals
456 * accumulate rather than restarting from zero, and the index of the
457 * 'val' byte is added each time (position dependence). If I was a
458 * black-belt, I'd scan big-endian pointers in reverse to give low-order
459 * bits more play, but this isn't crypto and I'd prefer nobody mistake it
460 * as such. Plus I'm lazy.
463 const unsigned char *src
= (void *)&id
->ptr
;
464 unsigned char snum
= sizeof(id
->ptr
);
466 accum
+= *(src
++) * hash_coeffs
[(snum
+ dnum
) & 7];
468 *(dest
++) = accum
& 255;
473 extern int FIPS_crypto_threadid_set_callback(void (*func
) (CRYPTO_THREADID
*));
476 int CRYPTO_THREADID_set_callback(void (*func
) (CRYPTO_THREADID
*))
478 if (threadid_callback
)
480 threadid_callback
= func
;
482 FIPS_crypto_threadid_set_callback(func
);
487 void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID
*) {
488 return threadid_callback
;
491 void CRYPTO_THREADID_current(CRYPTO_THREADID
*id
)
493 if (threadid_callback
) {
494 threadid_callback(id
);
497 #ifndef OPENSSL_NO_DEPRECATED
498 /* If the deprecated callback was set, fall back to that */
500 CRYPTO_THREADID_set_numeric(id
, id_callback());
504 /* Else pick a backup */
505 #ifdef OPENSSL_SYS_WIN16
506 CRYPTO_THREADID_set_numeric(id
, (unsigned long)GetCurrentTask());
507 #elif defined(OPENSSL_SYS_WIN32)
508 CRYPTO_THREADID_set_numeric(id
, (unsigned long)GetCurrentThreadId());
509 #elif defined(OPENSSL_SYS_BEOS)
510 CRYPTO_THREADID_set_numeric(id
, (unsigned long)find_thread(NULL
));
512 /* For everything else, default to using the address of 'errno' */
513 CRYPTO_THREADID_set_pointer(id
, (void *)&errno
);
517 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID
*a
, const CRYPTO_THREADID
*b
)
519 return memcmp(a
, b
, sizeof(*a
));
522 void CRYPTO_THREADID_cpy(CRYPTO_THREADID
*dest
, const CRYPTO_THREADID
*src
)
524 memcpy(dest
, src
, sizeof(*src
));
527 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID
*id
)
532 #ifndef OPENSSL_NO_DEPRECATED
533 unsigned long (*CRYPTO_get_id_callback(void)) (void) {
534 return (id_callback
);
537 void CRYPTO_set_id_callback(unsigned long (*func
) (void))
542 unsigned long CRYPTO_thread_id(void)
544 unsigned long ret
= 0;
546 if (id_callback
== NULL
) {
547 # ifdef OPENSSL_SYS_WIN16
548 ret
= (unsigned long)GetCurrentTask();
549 # elif defined(OPENSSL_SYS_WIN32)
550 ret
= (unsigned long)GetCurrentThreadId();
551 # elif defined(GETPID_IS_MEANINGLESS)
553 # elif defined(OPENSSL_SYS_BEOS)
554 ret
= (unsigned long)find_thread(NULL
);
556 ret
= (unsigned long)getpid();
564 void CRYPTO_lock(int mode
, int type
, const char *file
, int line
)
569 char *rw_text
, *operation_text
;
571 if (mode
& CRYPTO_LOCK
)
572 operation_text
= "lock ";
573 else if (mode
& CRYPTO_UNLOCK
)
574 operation_text
= "unlock";
576 operation_text
= "ERROR ";
578 if (mode
& CRYPTO_READ
)
580 else if (mode
& CRYPTO_WRITE
)
585 CRYPTO_THREADID_current(&id
);
586 fprintf(stderr
, "lock:%08lx:(%s)%s %-18s %s:%d\n",
587 CRYPTO_THREADID_hash(&id
), rw_text
, operation_text
,
588 CRYPTO_get_lock_name(type
), file
, line
);
592 if (dynlock_lock_callback
!= NULL
) {
593 struct CRYPTO_dynlock_value
*pointer
594 = CRYPTO_get_dynlock_value(type
);
596 OPENSSL_assert(pointer
!= NULL
);
598 dynlock_lock_callback(mode
, pointer
, file
, line
);
600 CRYPTO_destroy_dynlockid(type
);
602 } else if (locking_callback
!= NULL
)
603 locking_callback(mode
, type
, file
, line
);
606 int CRYPTO_add_lock(int *pointer
, int amount
, int type
, const char *file
,
611 if (add_lock_callback
!= NULL
) {
613 int before
= *pointer
;
616 ret
= add_lock_callback(pointer
, amount
, type
, file
, line
);
620 CRYPTO_THREADID_current(&id
);
621 fprintf(stderr
, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
622 CRYPTO_THREADID_hash(&id
), before
, amount
, ret
,
623 CRYPTO_get_lock_name(type
), file
, line
);
627 CRYPTO_lock(CRYPTO_LOCK
| CRYPTO_WRITE
, type
, file
, line
);
629 ret
= *pointer
+ amount
;
633 CRYPTO_THREADID_current(&id
);
634 fprintf(stderr
, "ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
635 CRYPTO_THREADID_hash(&id
),
636 *pointer
, amount
, ret
,
637 CRYPTO_get_lock_name(type
), file
, line
);
641 CRYPTO_lock(CRYPTO_UNLOCK
| CRYPTO_WRITE
, type
, file
, line
);
646 const char *CRYPTO_get_lock_name(int type
)
650 else if (type
< CRYPTO_NUM_LOCKS
)
651 return (lock_names
[type
]);
652 else if (type
- CRYPTO_NUM_LOCKS
> sk_OPENSSL_STRING_num(app_locks
))
655 return (sk_OPENSSL_STRING_value(app_locks
, type
- CRYPTO_NUM_LOCKS
));
658 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
659 defined(__INTEL__) || \
660 defined(__x86_64) || defined(__x86_64__) || \
661 defined(_M_AMD64) || defined(_M_X64)
663 extern unsigned int OPENSSL_ia32cap_P
[4];
664 unsigned long *OPENSSL_ia32cap_loc(void)
666 if (sizeof(long) == 4)
668 * If 32-bit application pulls address of OPENSSL_ia32cap_P[0]
669 * clear second element to maintain the illusion that vector
672 OPENSSL_ia32cap_P
[1] = 0;
674 OPENSSL_ia32cap_P
[2] = 0;
676 return (unsigned long *)OPENSSL_ia32cap_P
;
679 # if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
680 # define OPENSSL_CPUID_SETUP
682 typedef unsigned __int64 IA32CAP
;
684 typedef unsigned long long IA32CAP
;
686 void OPENSSL_cpuid_setup(void)
688 static int trigger
= 0;
689 IA32CAP
OPENSSL_ia32_cpuid(unsigned int *);
697 if ((env
= getenv("OPENSSL_ia32cap"))) {
698 int off
= (env
[0] == '~') ? 1 : 0;
700 if (!sscanf(env
+ off
, "%I64i", &vec
))
701 vec
= strtoul(env
+ off
, NULL
, 0);
703 if (!sscanf(env
+ off
, "%lli", (long long *)&vec
))
704 vec
= strtoul(env
+ off
, NULL
, 0);
707 vec
= OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P
) & ~vec
;
708 else if (env
[0] == ':')
709 vec
= OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P
);
711 OPENSSL_ia32cap_P
[2] = 0;
712 if ((env
= strchr(env
, ':'))) {
715 off
= (env
[0] == '~') ? 1 : 0;
716 vecx
= strtoul(env
+ off
, NULL
, 0);
718 OPENSSL_ia32cap_P
[2] &= ~vecx
;
720 OPENSSL_ia32cap_P
[2] = vecx
;
723 vec
= OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P
);
726 * |(1<<10) sets a reserved bit to signal that variable
727 * was initialized already... This is to avoid interference
728 * with cpuid snippets in ELF .init segment.
730 OPENSSL_ia32cap_P
[0] = (unsigned int)vec
| (1 << 10);
731 OPENSSL_ia32cap_P
[1] = (unsigned int)(vec
>> 32);
734 unsigned int OPENSSL_ia32cap_P
[4];
738 unsigned long *OPENSSL_ia32cap_loc(void)
743 int OPENSSL_NONPIC_relocated
= 0;
744 #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
745 void OPENSSL_cpuid_setup(void)
750 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
752 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
753 # include <windows.h>
755 * this has side-effect of _WIN32 getting defined, which otherwise is
756 * mutually exclusive with __CYGWIN__...
761 * All we really need to do is remove the 'error' state when a thread
765 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
, LPVOID lpvReserved
)
768 case DLL_PROCESS_ATTACH
:
769 OPENSSL_cpuid_setup();
770 # if defined(_WIN32_WINNT)
772 IMAGE_DOS_HEADER
*dos_header
= (IMAGE_DOS_HEADER
*) hinstDLL
;
773 IMAGE_NT_HEADERS
*nt_headers
;
775 if (dos_header
->e_magic
== IMAGE_DOS_SIGNATURE
) {
776 nt_headers
= (IMAGE_NT_HEADERS
*) ((char *)dos_header
777 + dos_header
->e_lfanew
);
778 if (nt_headers
->Signature
== IMAGE_NT_SIGNATURE
&&
780 (HINSTANCE
) (nt_headers
->OptionalHeader
.ImageBase
))
781 OPENSSL_NONPIC_relocated
= 1;
786 case DLL_THREAD_ATTACH
:
788 case DLL_THREAD_DETACH
:
790 case DLL_PROCESS_DETACH
:
797 #if defined(_WIN32) && !defined(__CYGWIN__)
801 # if defined(_UNICODE) || defined(__UNICODE__)
802 # define _vsntprintf _vsnwprintf
804 # define _vsntprintf _vsnprintf
808 # define alloca _alloca
811 # if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
812 int OPENSSL_isservice(void)
820 } _OPENSSL_isservice
= {
824 if (_OPENSSL_isservice
.p
== NULL
) {
825 HANDLE h
= GetModuleHandle(NULL
);
827 _OPENSSL_isservice
.p
= GetProcAddress(h
, "_OPENSSL_isservice");
828 if (_OPENSSL_isservice
.p
== NULL
)
829 _OPENSSL_isservice
.p
= (void *)-1;
832 if (_OPENSSL_isservice
.p
!= (void *)-1)
833 return (*_OPENSSL_isservice
.f
) ();
835 h
= GetProcessWindowStation();
839 if (GetUserObjectInformationW(h
, UOI_NAME
, NULL
, 0, &len
) ||
840 GetLastError() != ERROR_INSUFFICIENT_BUFFER
)
844 return -1; /* paranoia */
845 len
++, len
&= ~1; /* paranoia */
846 name
= (WCHAR
*)alloca(len
+ sizeof(WCHAR
));
847 if (!GetUserObjectInformationW(h
, UOI_NAME
, name
, len
, &len
))
850 len
++, len
&= ~1; /* paranoia */
851 name
[len
/ sizeof(WCHAR
)] = L
'\0'; /* paranoia */
854 * This doesn't cover "interactive" services [working with real
855 * WinSta0's] nor programs started non-interactively by Task Scheduler
856 * [those are working with SAWinSta].
858 if (wcsstr(name
, L
"Service-0x"))
861 /* This covers all non-interactive programs such as services. */
862 if (!wcsstr(name
, L
"WinSta0"))
869 int OPENSSL_isservice(void)
875 void OPENSSL_showfatal(const char *fmta
, ...)
880 # ifdef STD_ERROR_HANDLE /* what a dirty trick! */
883 if ((h
= GetStdHandle(STD_ERROR_HANDLE
)) != NULL
&&
884 GetFileType(h
) != FILE_TYPE_UNKNOWN
) {
885 /* must be console application */
890 len
= _vsnprintf((char *)buf
, sizeof(buf
), fmta
, ap
);
891 WriteFile(h
, buf
, len
< 0 ? sizeof(buf
) : (DWORD
) len
, &out
, NULL
);
897 if (sizeof(TCHAR
) == sizeof(char))
898 fmt
= (const TCHAR
*)fmta
;
902 size_t len_0
= strlen(fmta
) + 1, i
;
905 fmtw
= (WCHAR
*)alloca(len_0
* sizeof(WCHAR
));
907 fmt
= (const TCHAR
*)L
"no stack?";
910 # ifndef OPENSSL_NO_MULTIBYTE
911 if (!MultiByteToWideChar(CP_ACP
, 0, fmta
, len_0
, fmtw
, len_0
))
913 for (i
= 0; i
< len_0
; i
++)
914 fmtw
[i
] = (WCHAR
)fmta
[i
];
916 for (i
= 0; i
< len_0
; i
++) {
920 switch (fmtw
[i
+ 1]) {
952 fmt
= (const TCHAR
*)fmtw
;
956 _vsntprintf(buf
, sizeof(buf
) / sizeof(TCHAR
) - 1, fmt
, ap
);
957 buf
[sizeof(buf
) / sizeof(TCHAR
) - 1] = _T('\0');
960 # if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
961 /* this -------------v--- guards NT-specific calls */
962 if (check_winnt() && OPENSSL_isservice() > 0) {
963 HANDLE hEventLog
= RegisterEventSource(NULL
, _T("OpenSSL"));
965 if (hEventLog
!= NULL
) {
966 const TCHAR
*pmsg
= buf
;
968 if (!ReportEvent(hEventLog
, EVENTLOG_ERROR_TYPE
, 0, 0, NULL
,
969 1, 0, &pmsg
, NULL
)) {
972 * We are in a situation where we tried to report a critical
973 * error and this failed for some reason. As a last resort,
974 * in debug builds, send output to the debugger or any other
975 * tool like DebugView which can monitor the output.
977 OutputDebugString(pmsg
);
981 (void)DeregisterEventSource(hEventLog
);
985 MessageBox(NULL
, buf
, _T("OpenSSL: FATAL"), MB_OK
| MB_ICONERROR
);
988 void OPENSSL_showfatal(const char *fmta
, ...)
993 vfprintf(stderr
, fmta
, ap
);
997 int OPENSSL_isservice(void)
1003 void OpenSSLDie(const char *file
, int line
, const char *assertion
)
1006 ("%s(%d): OpenSSL internal error, assertion failed: %s\n", file
, line
,
1008 #if !defined(_WIN32) || defined(__CYGWIN__)
1012 * Win32 abort() customarily shows a dialog, but we just did that...
1014 # if !defined(_WIN32_WCE)
1021 void *OPENSSL_stderr(void)
1026 int CRYPTO_memcmp(const volatile void *in_a
, const volatile void *in_b
, size_t len
)
1029 const volatile unsigned char *a
= in_a
;
1030 const volatile unsigned char *b
= in_b
;
1031 unsigned char x
= 0;
1033 for (i
= 0; i
< len
; i
++)