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 /* Calling this here ensures initialisation before any threads
416 locking_callback=func;
419 void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
420 const char *file,int line))
422 add_lock_callback=func;
425 /* the memset() here and in set_pointer() seem overkill, but for the sake of
426 * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two
427 * "equal" THREADID structs to not be memcmp()-identical. */
428 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
430 memset(id, 0, sizeof(*id));
434 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 */
446 id->val = (unsigned long)id->ptr;
449 /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
450 * linear function over the bytes in 'ptr', the co-efficients of which
451 * are a sequence of low-primes (hash_coeffs is an 8-element cycle) -
452 * the starting prime for the sequence varies for each byte of 'val'
453 * (unique polynomials unless pointers are >64-bit). For added spice,
454 * the totals accumulate rather than restarting from zero, and the index
455 * of the 'val' byte is added each time (position dependence). If I was
456 * a black-belt, I'd scan big-endian pointers in reverse to give
457 * low-order bits more play, but this isn't crypto and I'd prefer nobody
458 * mistake it as such. Plus I'm lazy. */
461 const unsigned char *src = (void *)&id->ptr;
462 unsigned char snum = sizeof(id->ptr);
464 accum += *(src++) * hash_coeffs[(snum + dnum) & 7];
466 *(dest++) = accum & 255;
470 int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
472 if (threadid_callback)
474 threadid_callback = func;
478 void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
480 return threadid_callback;
483 void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
485 if (threadid_callback)
487 threadid_callback(id);
490 #ifndef OPENSSL_NO_DEPRECATED
491 /* If the deprecated callback was set, fall back to that */
494 CRYPTO_THREADID_set_numeric(id, id_callback());
498 /* Else pick a backup */
499 #ifdef OPENSSL_SYS_WIN16
500 CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask());
501 #elif defined(OPENSSL_SYS_WIN32)
502 CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
503 #elif defined(OPENSSL_SYS_BEOS)
504 CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL));
506 /* For everything else, default to using the address of 'errno' */
507 CRYPTO_THREADID_set_pointer(id, &errno);
511 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
513 return memcmp(a, b, sizeof(*a));
516 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
518 memcpy(dest, src, sizeof(*src));
521 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
526 #ifndef OPENSSL_NO_DEPRECATED
527 unsigned long (*CRYPTO_get_id_callback(void))(void)
532 void CRYPTO_set_id_callback(unsigned long (*func)(void))
537 unsigned long CRYPTO_thread_id(void)
541 if (id_callback == NULL)
543 #ifdef OPENSSL_SYS_WIN16
544 ret=(unsigned long)GetCurrentTask();
545 #elif defined(OPENSSL_SYS_WIN32)
546 ret=(unsigned long)GetCurrentThreadId();
547 #elif defined(GETPID_IS_MEANINGLESS)
549 #elif defined(OPENSSL_SYS_BEOS)
550 ret=(unsigned long)find_thread(NULL);
552 ret=(unsigned long)getpid();
561 void CRYPTO_lock(int mode, int type, const char *file, int line)
566 char *rw_text,*operation_text;
568 if (mode & CRYPTO_LOCK)
569 operation_text="lock ";
570 else if (mode & CRYPTO_UNLOCK)
571 operation_text="unlock";
573 operation_text="ERROR ";
575 if (mode & CRYPTO_READ)
577 else if (mode & CRYPTO_WRITE)
582 CRYPTO_THREADID_current(&id);
583 fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
584 CRYPTO_THREADID_hash(&id), rw_text, operation_text,
585 CRYPTO_get_lock_name(type), file, line);
590 if (dynlock_lock_callback != NULL)
592 struct CRYPTO_dynlock_value *pointer
593 = CRYPTO_get_dynlock_value(type);
595 OPENSSL_assert(pointer != NULL);
597 dynlock_lock_callback(mode, pointer, file, line);
599 CRYPTO_destroy_dynlockid(type);
603 if (locking_callback != NULL)
604 locking_callback(mode,type,file,line);
607 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
612 if (add_lock_callback != NULL)
615 int before= *pointer;
618 ret=add_lock_callback(pointer,amount,type,file,line);
622 CRYPTO_THREADID_current(&id);
623 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
624 CRYPTO_THREADID_hash(&id), before,amount,ret,
625 CRYPTO_get_lock_name(type),
632 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
634 ret= *pointer+amount;
638 CRYPTO_THREADID_current(&id);
639 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
640 CRYPTO_THREADID_hash(&id),
642 CRYPTO_get_lock_name(type),
647 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
652 const char *CRYPTO_get_lock_name(int type)
656 else if (type < CRYPTO_NUM_LOCKS)
657 return(lock_names[type]);
658 else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks))
661 return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS));
664 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
665 defined(__INTEL__) || \
666 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
668 unsigned int OPENSSL_ia32cap_P[2];
669 unsigned long *OPENSSL_ia32cap_loc(void)
670 { if (sizeof(long)==4)
672 * If 32-bit application pulls address of OPENSSL_ia32cap_P[0]
673 * clear second element to maintain the illusion that vector
676 OPENSSL_ia32cap_P[1]=0;
677 return (unsigned long *)OPENSSL_ia32cap_P;
680 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
681 #define OPENSSL_CPUID_SETUP
683 typedef unsigned __int64 IA32CAP;
685 typedef unsigned long long IA32CAP;
687 void OPENSSL_cpuid_setup(void)
688 { static int trigger=0;
689 IA32CAP OPENSSL_ia32_cpuid(void);
696 if ((env=getenv("OPENSSL_ia32cap"))) {
697 int off = (env[0]=='~')?1:0;
699 if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0);
701 vec = strtoull(env+off,NULL,0);
703 if (off) vec = OPENSSL_ia32_cpuid()&~vec;
706 vec = OPENSSL_ia32_cpuid();
708 * |(1<<10) sets a reserved bit to signal that variable
709 * was initialized already... This is to avoid interference
710 * with cpuid snippets in ELF .init segment.
712 OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10);
713 OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32);
718 unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
720 int OPENSSL_NONPIC_relocated = 0;
721 #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ)
722 void OPENSSL_cpuid_setup(void) {}
725 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
727 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
729 /* this has side-effect of _WIN32 getting defined, which otherwise
730 * is mutually exclusive with __CYGWIN__... */
733 /* All we really need to do is remove the 'error' state when a thread
736 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
741 case DLL_PROCESS_ATTACH:
742 OPENSSL_cpuid_setup();
743 #if defined(_WIN32_WINNT)
745 IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL;
746 IMAGE_NT_HEADERS *nt_headers;
748 if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
750 nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header
751 + dos_header->e_lfanew);
752 if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
753 hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
754 OPENSSL_NONPIC_relocated=1;
759 case DLL_THREAD_ATTACH:
761 case DLL_THREAD_DETACH:
763 case DLL_PROCESS_DETACH:
770 #if defined(_WIN32) && !defined(__CYGWIN__)
774 #if defined(_UNICODE) || defined(__UNICODE__)
775 #define _vsntprintf _vsnwprintf
777 #define _vsntprintf _vsnprintf
781 #define alloca _alloca
784 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
785 int OPENSSL_isservice(void)
789 static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL };
791 if (_OPENSSL_isservice.p == NULL) {
792 HANDLE h = GetModuleHandle(NULL);
794 _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice");
795 if (_OPENSSL_isservice.p == NULL)
796 _OPENSSL_isservice.p = (void *)-1;
799 if (_OPENSSL_isservice.p != (void *)-1)
800 return (*_OPENSSL_isservice.f)();
802 (void)GetDesktopWindow(); /* return value is ignored */
804 h = GetProcessWindowStation();
805 if (h==NULL) return -1;
807 if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) ||
808 GetLastError() != ERROR_INSUFFICIENT_BUFFER)
811 if (len>512) return -1; /* paranoia */
812 len++,len&=~1; /* paranoia */
813 name=(WCHAR *)alloca(len+sizeof(WCHAR));
814 if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
817 len++,len&=~1; /* paranoia */
818 name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */
820 /* This doesn't cover "interactive" services [working with real
821 * WinSta0's] nor programs started non-interactively by Task
822 * Scheduler [those are working with SAWinSta]. */
823 if (wcsstr(name,L"Service-0x")) return 1;
825 /* This covers all non-interactive programs such as services. */
826 if (!wcsstr(name,L"WinSta0")) return 1;
831 int OPENSSL_isservice(void) { return 0; }
834 void OPENSSL_showfatal (const char *fmta,...)
838 #ifdef STD_ERROR_HANDLE /* what a dirty trick! */
841 if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL &&
842 GetFileType(h)!=FILE_TYPE_UNKNOWN)
843 { /* must be console application */
845 vfprintf (stderr,fmta,ap);
851 if (sizeof(TCHAR)==sizeof(char))
852 fmt=(const TCHAR *)fmta;
855 size_t len_0=strlen(fmta)+1,i;
858 fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR));
859 if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; }
861 #ifndef OPENSSL_NO_MULTIBYTE
862 if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0))
864 for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i];
866 for (i=0;i<len_0;i++)
867 { if (fmtw[i]==L'%') do
870 { case L'0': case L'1': case L'2': case L'3': case L'4':
871 case L'5': case L'6': case L'7': case L'8': case L'9':
872 case L'.': case L'*':
873 case L'-': i++; keepgoing=1; break;
874 case L's': fmtw[i+1]=L'S'; break;
875 case L'S': fmtw[i+1]=L's'; break;
876 case L'c': fmtw[i+1]=L'C'; break;
877 case L'C': fmtw[i+1]=L'c'; break;
881 fmt = (const TCHAR *)fmtw;
885 _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap);
886 buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0');
889 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
890 /* this -------------v--- guards NT-specific calls */
891 if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0)
892 { HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
893 const TCHAR *pmsg=buf;
894 ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
895 DeregisterEventSource(h);
899 MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP);
902 void OPENSSL_showfatal (const char *fmta,...)
906 vfprintf (stderr,fmta,ap);
909 int OPENSSL_isservice (void) { return 0; }
912 void OpenSSLDie(const char *file,int line,const char *assertion)
915 "%s(%d): OpenSSL internal error, assertion failed: %s\n",
916 file,line,assertion);
917 #if !defined(_WIN32) || defined(__CYGWIN__)
920 /* Win32 abort() customarily shows a dialog, but we just did that... */
926 void *OPENSSL_stderr(void) { return stderr; }