1 /* crypto/cryptlib.c */
2 /* ====================================================================
3 * Copyright (c) 1998-2003 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 static void (MS_FAR
*locking_callback
)(int mode
,int type
,
125 const char *file
,int line
)=NULL
;
126 static int (MS_FAR
*add_lock_callback
)(int *pointer
,int amount
,
127 int type
,const char *file
,int line
)=NULL
;
128 static unsigned long (MS_FAR
*id_callback
)(void)=NULL
;
130 int CRYPTO_num_locks(void)
132 return CRYPTO_NUM_LOCKS
;
135 void (*CRYPTO_get_locking_callback(void))(int mode
,int type
,const char *file
,
138 return(locking_callback
);
141 int (*CRYPTO_get_add_lock_callback(void))(int *num
,int mount
,int type
,
142 const char *file
,int line
)
144 return(add_lock_callback
);
147 void CRYPTO_set_locking_callback(void (*func
)(int mode
,int type
,
148 const char *file
,int line
))
150 locking_callback
=func
;
153 void CRYPTO_set_add_lock_callback(int (*func
)(int *num
,int mount
,int type
,
154 const char *file
,int line
))
156 add_lock_callback
=func
;
159 unsigned long (*CRYPTO_get_id_callback(void))(void)
164 void CRYPTO_set_id_callback(unsigned long (*func
)(void))
169 unsigned long CRYPTO_thread_id(void)
173 if (id_callback
== NULL
)
175 #ifdef OPENSSL_SYS_WIN16
176 ret
=(unsigned long)GetCurrentTask();
177 #elif defined(OPENSSL_SYS_WIN32)
178 ret
=(unsigned long)GetCurrentThreadId();
179 #elif defined(GETPID_IS_MEANINGLESS)
182 ret
=(unsigned long)getpid();
190 static void (*do_dynlock_cb
)(int mode
, int type
, const char *file
, int line
);
192 void int_CRYPTO_set_do_dynlock_callback(
193 void (*dyn_cb
)(int mode
, int type
, const char *file
, int line
))
195 do_dynlock_cb
= dyn_cb
;
198 void CRYPTO_lock(int mode
, int type
, const char *file
, int line
)
202 char *rw_text
,*operation_text
;
204 if (mode
& CRYPTO_LOCK
)
205 operation_text
="lock ";
206 else if (mode
& CRYPTO_UNLOCK
)
207 operation_text
="unlock";
209 operation_text
="ERROR ";
211 if (mode
& CRYPTO_READ
)
213 else if (mode
& CRYPTO_WRITE
)
218 fprintf(stderr
,"lock:%08lx:(%s)%s %-18s %s:%d\n",
219 CRYPTO_thread_id(), rw_text
, operation_text
,
220 CRYPTO_get_lock_name(type
), file
, line
);
226 do_dynlock_cb(mode
, type
, file
, line
);
229 if (locking_callback
!= NULL
)
230 locking_callback(mode
,type
,file
,line
);
233 int CRYPTO_add_lock(int *pointer
, int amount
, int type
, const char *file
,
238 if (add_lock_callback
!= NULL
)
241 int before
= *pointer
;
244 ret
=add_lock_callback(pointer
,amount
,type
,file
,line
);
246 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
249 CRYPTO_get_lock_name(type
),
255 CRYPTO_lock(CRYPTO_LOCK
|CRYPTO_WRITE
,type
,file
,line
);
257 ret
= *pointer
+amount
;
259 fprintf(stderr
,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
262 CRYPTO_get_lock_name(type
),
266 CRYPTO_lock(CRYPTO_UNLOCK
|CRYPTO_WRITE
,type
,file
,line
);
271 #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
272 defined(__INTEL__) || \
273 defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
275 unsigned long OPENSSL_ia32cap_P
=0;
276 unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P
; }
278 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
279 #define OPENSSL_CPUID_SETUP
280 void OPENSSL_cpuid_setup(void)
281 { static int trigger
=0;
282 unsigned long OPENSSL_ia32_cpuid(void);
288 if ((env
=getenv("OPENSSL_ia32cap")))
289 OPENSSL_ia32cap_P
= strtoul(env
,NULL
,0)|(1<<10);
291 OPENSSL_ia32cap_P
= OPENSSL_ia32_cpuid()|(1<<10);
293 * |(1<<10) sets a reserved bit to signal that variable
294 * was initialized already... This is to avoid interference
295 * with cpuid snippets in ELF .init segment.
301 unsigned long *OPENSSL_ia32cap_loc(void) { return NULL
; }
303 int OPENSSL_NONPIC_relocated
= 0;
304 #if !defined(OPENSSL_CPUID_SETUP)
305 void OPENSSL_cpuid_setup(void) {}
308 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
312 #include <tlhelp32.h>
313 #if defined(__GNUC__) && __GNUC__>=2
314 static int DllInit(void) __attribute__((constructor
));
315 #elif defined(_MSC_VER)
316 static int DllInit(void);
318 # pragma section(".CRT$XCU",read)
319 __declspec(allocate(".CRT$XCU"))
321 # pragma data_seg(".CRT$XCU")
323 static int (*p
)(void) = DllInit
;
327 static int DllInit(void)
329 #if defined(_WIN32_WINNT)
330 union { int(*f
)(void); BYTE
*p
; } t
= { DllInit
};
331 HANDLE hModuleSnap
= INVALID_HANDLE_VALUE
;
332 IMAGE_DOS_HEADER
*dos_header
;
333 IMAGE_NT_HEADERS
*nt_headers
;
334 MODULEENTRY32 me32
= {sizeof(me32
)};
336 hModuleSnap
= CreateToolhelp32Snapshot(TH32CS_SNAPMODULE
,0);
337 if (hModuleSnap
!= INVALID_HANDLE_VALUE
&&
338 Module32First(hModuleSnap
,&me32
)) do
340 if (t
.p
>= me32
.modBaseAddr
&&
341 t
.p
< me32
.modBaseAddr
+me32
.modBaseSize
)
343 dos_header
=(IMAGE_DOS_HEADER
*)me32
.modBaseAddr
;
344 if (dos_header
->e_magic
==IMAGE_DOS_SIGNATURE
)
346 nt_headers
=(IMAGE_NT_HEADERS
*)
347 ((BYTE
*)dos_header
+dos_header
->e_lfanew
);
348 if (nt_headers
->Signature
==IMAGE_NT_SIGNATURE
&&
349 me32
.modBaseAddr
!=(BYTE
*)nt_headers
->OptionalHeader
.ImageBase
)
350 OPENSSL_NONPIC_relocated
=1;
354 } while (Module32Next(hModuleSnap
,&me32
));
356 if (hModuleSnap
!= INVALID_HANDLE_VALUE
)
357 CloseHandle(hModuleSnap
);
359 OPENSSL_cpuid_setup();
366 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
370 /* All we really need to do is remove the 'error' state when a thread
373 BOOL WINAPI
DllMain(HINSTANCE hinstDLL
, DWORD fdwReason
,
378 case DLL_PROCESS_ATTACH
:
379 OPENSSL_cpuid_setup();
380 #if defined(_WIN32_WINNT)
382 IMAGE_DOS_HEADER
*dos_header
= (IMAGE_DOS_HEADER
*)hinstDLL
;
383 IMAGE_NT_HEADERS
*nt_headers
;
385 if (dos_header
->e_magic
==IMAGE_DOS_SIGNATURE
)
387 nt_headers
= (IMAGE_NT_HEADERS
*)((char *)dos_header
388 + dos_header
->e_lfanew
);
389 if (nt_headers
->Signature
==IMAGE_NT_SIGNATURE
&&
390 hinstDLL
!=(HINSTANCE
)(nt_headers
->OptionalHeader
.ImageBase
))
391 OPENSSL_NONPIC_relocated
=1;
396 case DLL_THREAD_ATTACH
:
398 case DLL_THREAD_DETACH
:
400 case DLL_PROCESS_DETACH
:
409 #if defined(_WIN32) && !defined(__CYGWIN__)
412 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
413 int OPENSSL_isservice(void)
418 (void)GetDesktopWindow(); /* return value is ignored */
420 h
= GetProcessWindowStation();
421 if (h
==NULL
) return -1;
423 if (GetUserObjectInformationW (h
,UOI_NAME
,NULL
,0,&len
) ||
424 GetLastError() != ERROR_INSUFFICIENT_BUFFER
)
427 if (len
>512) return -1; /* paranoia */
428 len
++,len
&=~1; /* paranoia */
430 name
=(WCHAR
*)_alloca(len
+sizeof(WCHAR
));
432 name
=(WCHAR
*)alloca(len
+sizeof(WCHAR
));
434 if (!GetUserObjectInformationW (h
,UOI_NAME
,name
,len
,&len
))
437 len
++,len
&=~1; /* paranoia */
438 name
[len
/sizeof(WCHAR
)]=L
'\0'; /* paranoia */
440 /* This doesn't cover "interactive" services [working with real
441 * WinSta0's] nor programs started non-interactively by Task
442 * Scheduler [those are working with SAWinSta]. */
443 if (wcsstr(name
,L
"Service-0x")) return 1;
445 /* This covers all non-interactive programs such as services. */
446 if (!wcsstr(name
,L
"WinSta0")) return 1;
451 int OPENSSL_isservice(void) { return 0; }
454 void OPENSSL_showfatal (const char *fmta
,...)
458 #ifdef STD_ERROR_HANDLE /* what a dirty trick! */
461 if ((h
=GetStdHandle(STD_ERROR_HANDLE
)) != NULL
&&
462 GetFileType(h
)!=FILE_TYPE_UNKNOWN
)
463 { /* must be console application */
465 vfprintf (stderr
,fmta
,ap
);
471 if (sizeof(TCHAR
)==sizeof(char))
472 fmt
=(const TCHAR
*)fmta
;
475 size_t len_0
=strlen(fmta
)+1,i
;
479 fmtw
= (WCHAR
*)_alloca (len_0
*sizeof(WCHAR
));
481 fmtw
= (WCHAR
*)alloca (len_0
*sizeof(WCHAR
));
483 if (fmtw
== NULL
) { fmt
=(const TCHAR
*)L
"no stack?"; break; }
485 #ifndef OPENSSL_NO_MULTIBYTE
486 if (!MultiByteToWideChar(CP_ACP
,0,fmta
,len_0
,fmtw
,len_0
))
488 for (i
=0;i
<len_0
;i
++) fmtw
[i
]=(WCHAR
)fmta
[i
];
490 for (i
=0;i
<len_0
;i
++)
491 { if (fmtw
[i
]==L
'%') do
494 { case L
'0': case L
'1': case L
'2': case L
'3': case L
'4':
495 case L
'5': case L
'6': case L
'7': case L
'8': case L
'9':
496 case L
'.': case L
'*':
497 case L
'-': i
++; keepgoing
=1; break;
498 case L
's': fmtw
[i
+1]=L
'S'; break;
499 case L
'S': fmtw
[i
+1]=L
's'; break;
500 case L
'c': fmtw
[i
+1]=L
'C'; break;
501 case L
'C': fmtw
[i
+1]=L
'c'; break;
505 fmt
= (const TCHAR
*)fmtw
;
509 _vsntprintf (buf
,sizeof(buf
)/sizeof(TCHAR
)-1,fmt
,ap
);
510 buf
[sizeof(buf
)/sizeof(TCHAR
)-1] = _T('\0');
513 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
514 /* this -------------v--- guards NT-specific calls */
515 if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0)
516 { HANDLE h
= RegisterEventSource(0,_T("OPENSSL"));
517 const TCHAR
*pmsg
=buf
;
518 ReportEvent(h
,EVENTLOG_ERROR_TYPE
,0,0,0,1,0,&pmsg
,0);
519 DeregisterEventSource(h
);
523 MessageBox (NULL
,buf
,_T("OpenSSL: FATAL"),MB_OK
|MB_ICONSTOP
);
526 void OPENSSL_showfatal (const char *fmta
,...)
530 vfprintf (stderr
,fmta
,ap
);
533 int OPENSSL_isservice (void) { return 0; }
536 void OpenSSLDie(const char *file
,int line
,const char *assertion
)
539 "%s(%d): OpenSSL internal error, assertion failed: %s\n",
540 file
,line
,assertion
);
544 void *OPENSSL_stderr(void) { return stderr
; }
548 int CRYPTO_memcmp(const void *in_a
, const void *in_b
, size_t len
)
551 const unsigned char *a
= in_a
;
552 const unsigned char *b
= in_b
;
555 for (i
= 0; i
< len
; i
++)