/* crypto/cryptlib.c */ /* ==================================================================== * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. All advertising materials mentioning features or use of this * software must display the following acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" * * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to * endorse or promote products derived from this software without * prior written permission. For written permission, please contact * openssl-core@openssl.org. * * 5. Products derived from this software may not be called "OpenSSL" * nor may "OpenSSL" appear in their names without prior written * permission of the OpenSSL Project. * * 6. Redistributions of any form whatsoever must retain the following * acknowledgment: * "This product includes software developed by the OpenSSL Project * for use in the OpenSSL Toolkit (http://www.openssl.org/)" * * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This product includes cryptographic software written by Eric Young * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * * This package is an SSL implementation written * by Eric Young (eay@cryptsoft.com). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson (tjh@cryptsoft.com). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * "This product includes cryptographic software written by * Eric Young (eay@cryptsoft.com)" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * ECDH support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ #include "cryptlib.h" #include #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16) static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ #endif #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__INTEL__) || \ defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) extern unsigned int OPENSSL_ia32cap_P[4]; unsigned int *OPENSSL_ia32cap_loc(void) { return OPENSSL_ia32cap_P; } #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) #define OPENSSL_CPUID_SETUP #if defined(_WIN32) typedef unsigned __int64 IA32CAP; #else typedef unsigned long long IA32CAP; #endif void OPENSSL_cpuid_setup(void) { static int trigger=0; IA32CAP OPENSSL_ia32_cpuid(unsigned int *); IA32CAP vec; char *env; if (trigger) return; trigger=1; if ((env=getenv("OPENSSL_ia32cap"))) { int off = (env[0]=='~')?1:0; #if defined(_WIN32) if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0); #else if (!sscanf(env+off,"%lli",(long long *)&vec)) vec = strtoul(env+off,NULL,0); #endif if (off) vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P)&~vec; else if (env[0]==':') vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P); OPENSSL_ia32cap_P[2] = 0; if ((env=strchr(env,':'))) { unsigned int vecx; env++; off = (env[0]=='~')?1:0; vecx = strtoul(env+off,NULL,0); if (off) OPENSSL_ia32cap_P[2] &= ~vecx; else OPENSSL_ia32cap_P[2] = vecx; } } else vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P); /* * |(1<<10) sets a reserved bit to signal that variable * was initialized already... This is to avoid interference * with cpuid snippets in ELF .init segment. */ OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10); OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32); } #else unsigned int OPENSSL_ia32cap_P[4]; #endif #else unsigned int *OPENSSL_ia32cap_loc(void) { return NULL; } #endif int OPENSSL_NONPIC_relocated = 0; #if !defined(OPENSSL_CPUID_SETUP) && !defined(OPENSSL_CPUID_OBJ) void OPENSSL_cpuid_setup(void) {} #endif #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) #ifdef __CYGWIN__ /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ #include /* this has side-effect of _WIN32 getting defined, which otherwise * is mutually exclusive with __CYGWIN__... */ #endif /* All we really need to do is remove the 'error' state when a thread * detaches */ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { switch(fdwReason) { case DLL_PROCESS_ATTACH: OPENSSL_cpuid_setup(); #if defined(_WIN32_WINNT) { IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL; IMAGE_NT_HEADERS *nt_headers; if (dos_header->e_magic==IMAGE_DOS_SIGNATURE) { nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header + dos_header->e_lfanew); if (nt_headers->Signature==IMAGE_NT_SIGNATURE && hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase)) OPENSSL_NONPIC_relocated=1; } } #endif break; case DLL_THREAD_ATTACH: break; case DLL_THREAD_DETACH: break; case DLL_PROCESS_DETACH: break; } return(TRUE); } #endif #if defined(_WIN32) && !defined(__CYGWIN__) #include #include #ifdef __WATCOMC__ #if defined(_UNICODE) || defined(__UNICODE__) #define _vsntprintf _vsnwprintf #else #define _vsntprintf _vsnprintf #endif #endif #ifdef _MSC_VER #define alloca _alloca #endif #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 int OPENSSL_isservice(void) { HWINSTA h; DWORD len; WCHAR *name; static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL }; if (_OPENSSL_isservice.p == NULL) { HANDLE h = GetModuleHandle(NULL); if (h != NULL) _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice"); if (_OPENSSL_isservice.p == NULL) _OPENSSL_isservice.p = (void *)-1; } if (_OPENSSL_isservice.p != (void *)-1) return (*_OPENSSL_isservice.f)(); (void)GetDesktopWindow(); /* return value is ignored */ h = GetProcessWindowStation(); if (h==NULL) return -1; if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) || GetLastError() != ERROR_INSUFFICIENT_BUFFER) return -1; if (len>512) return -1; /* paranoia */ len++,len&=~1; /* paranoia */ name=(WCHAR *)alloca(len+sizeof(WCHAR)); if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len)) return -1; len++,len&=~1; /* paranoia */ name[len/sizeof(WCHAR)]=L'\0'; /* paranoia */ #if 1 /* This doesn't cover "interactive" services [working with real * WinSta0's] nor programs started non-interactively by Task * Scheduler [those are working with SAWinSta]. */ if (wcsstr(name,L"Service-0x")) return 1; #else /* This covers all non-interactive programs such as services. */ if (!wcsstr(name,L"WinSta0")) return 1; #endif else return 0; } #else int OPENSSL_isservice(void) { return 0; } #endif void OPENSSL_showfatal (const char *fmta,...) { va_list ap; TCHAR buf[256]; const TCHAR *fmt; #ifdef STD_ERROR_HANDLE /* what a dirty trick! */ HANDLE h; if ((h=GetStdHandle(STD_ERROR_HANDLE)) != NULL && GetFileType(h)!=FILE_TYPE_UNKNOWN) { /* must be console application */ int len; DWORD out; va_start (ap,fmta); len=_vsnprintf((char *)buf,sizeof(buf),fmta,ap); WriteFile(h,buf,len<0?sizeof(buf):(DWORD)len,&out,NULL); va_end (ap); return; } #endif if (sizeof(TCHAR)==sizeof(char)) fmt=(const TCHAR *)fmta; else do { int keepgoing; size_t len_0=strlen(fmta)+1,i; WCHAR *fmtw; fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR)); if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; } #ifndef OPENSSL_NO_MULTIBYTE if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) #endif for (i=0;i=0x0333 /* this -------------v--- guards NT-specific calls */ if (GetVersion() < 0x80000000 && OPENSSL_isservice() > 0) { HANDLE h = RegisterEventSource(0,_T("OPENSSL")); const TCHAR *pmsg=buf; ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0); DeregisterEventSource(h); } else #endif MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); } #else void OPENSSL_showfatal (const char *fmta,...) { va_list ap; va_start (ap,fmta); vfprintf (stderr,fmta,ap); va_end (ap); } int OPENSSL_isservice (void) { return 0; } #endif void OpenSSLDie(const char *file,int line,const char *assertion) { OPENSSL_showfatal( "%s(%d): OpenSSL internal error, assertion failed: %s\n", file,line,assertion); #if !defined(_WIN32) || defined(__CYGWIN__) abort(); #else /* Win32 abort() customarily shows a dialog, but we just did that... */ #if !defined(_WIN32_WCE) raise(SIGABRT); #endif _exit(3); #endif } #ifndef OPENSSL_FIPSCANISTER void *OPENSSL_stderr(void) { return stderr; } #endif int CRYPTO_memcmp(const void *in_a, const void *in_b, size_t len) { size_t i; const unsigned char *a = in_a; const unsigned char *b = in_b; unsigned char x = 0; for (i = 0; i < len; i++) x |= a[i] ^ b[i]; return x; }