diff options
Diffstat (limited to 'crypto/cryptlib.c')
| -rw-r--r-- | crypto/cryptlib.c | 555 |
1 files changed, 311 insertions, 244 deletions
diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c index e522861e26..6597af6523 100644 --- a/crypto/cryptlib.c +++ b/crypto/cryptlib.c @@ -7,7 +7,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -58,21 +58,21 @@ * 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: @@ -87,10 +87,10 @@ * 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 + * 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 @@ -102,7 +102,7 @@ * 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 @@ -110,7 +110,7 @@ */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * ECDH support in OpenSSL originally developed by + * ECDH support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ @@ -118,295 +118,362 @@ #include <openssl/safestack.h> #if defined(OPENSSL_SYS_WIN32) -static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */ +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) +#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; } +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) +# if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY) +# define OPENSSL_CPUID_SETUP +# if defined(_WIN32) typedef unsigned __int64 IA32CAP; -#else +# else typedef unsigned long long IA32CAP; -#endif +# 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); +{ + 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); + OPENSSL_ia32cap_P[0] = (unsigned int)vec | (1 << 10); + OPENSSL_ia32cap_P[1] = (unsigned int)(vec >> 32); } -#else +# else unsigned int OPENSSL_ia32cap_P[4]; -#endif +# endif #else -unsigned int *OPENSSL_ia32cap_loc(void) { return NULL; } +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) {} +void OPENSSL_cpuid_setup(void) +{ +} #endif #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL) -#ifdef __CYGWIN__ +# ifdef __CYGWIN__ /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ -#include <windows.h> -/* this has side-effect of _WIN32 getting defined, which otherwise - * is mutually exclusive with __CYGWIN__... */ -#endif +# include <windows.h> +/* + * 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 +/* + * All we really need to do is remove the 'error' state when a thread + * detaches + */ -#if defined(_WIN32) && !defined(__CYGWIN__) -#include <tchar.h> -#include <signal.h> -#ifdef __WATCOMC__ -#if defined(_UNICODE) || defined(__UNICODE__) -#define _vsntprintf _vsnwprintf -#else -#define _vsntprintf _vsnprintf -#endif -#endif -#ifdef _MSC_VER -#define alloca _alloca +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_WINNT) && _WIN32_WINNT>=0x0333 +#if defined(_WIN32) && !defined(__CYGWIN__) +# include <tchar.h> +# include <signal.h> +# 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 }; +{ + 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; + 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)(); + return (*_OPENSSL_isservice.f) (); - (void)GetDesktopWindow(); /* return value is ignored */ + (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 + 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; + 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; +# 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; } +# endif -#ifndef OPENSSL_NO_MULTIBYTE - if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0)) -#endif - for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i]; - - for (i=0;i<len_0;i++) - { if (fmtw[i]==L'%') do - { keepgoing=0; - switch (fmtw[i+1]) - { case L'0': case L'1': case L'2': case L'3': case L'4': - case L'5': case L'6': case L'7': case L'8': case L'9': - case L'.': case L'*': - case L'-': i++; keepgoing=1; break; - case L's': fmtw[i+1]=L'S'; break; - case L'S': fmtw[i+1]=L's'; break; - case L'c': fmtw[i+1]=L'C'; break; - case L'C': fmtw[i+1]=L'c'; break; - } - } while (keepgoing); - } - fmt = (const TCHAR *)fmtw; - } while (0); - - va_start (ap,fmta); - _vsntprintf (buf,sizeof(buf)/sizeof(TCHAR)-1,fmt,ap); - buf [sizeof(buf)/sizeof(TCHAR)-1] = _T('\0'); - va_end (ap); - -#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 - /* this -------------v--- guards NT-specific calls */ - if (check_winnt() && 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); - } + if (sizeof(TCHAR) == sizeof(char)) + fmt = (const TCHAR *)fmta; else -#endif - MessageBox (NULL,buf,_T("OpenSSL: FATAL"),MB_OK|MB_ICONSTOP); + 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 < len_0; i++) + fmtw[i] = (WCHAR)fmta[i]; + + for (i = 0; i < len_0; i++) { + if (fmtw[i] == L'%') + do { + keepgoing = 0; + switch (fmtw[i + 1]) { + case L'0': + case L'1': + case L'2': + case L'3': + case L'4': + case L'5': + case L'6': + case L'7': + case L'8': + case L'9': + case L'.': + case L'*': + case L'-': + i++; + keepgoing = 1; + break; + case L's': + fmtw[i + 1] = L'S'; + break; + case L'S': + fmtw[i + 1] = L's'; + break; + case L'c': + fmtw[i + 1] = L'C'; + break; + case L'C': + fmtw[i + 1] = L'c'; + break; + } + } while (keepgoing); + } + fmt = (const TCHAR *)fmtw; + } while (0); + + va_start(ap, fmta); + _vsntprintf(buf, sizeof(buf) / sizeof(TCHAR) - 1, fmt, ap); + buf[sizeof(buf) / sizeof(TCHAR) - 1] = _T('\0'); + va_end(ap); + +# if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333 + /* this -------------v--- guards NT-specific calls */ + if (check_winnt() && 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; +void OPENSSL_showfatal(const char *fmta, ...) +{ + va_list ap; + + va_start(ap, fmta); + vfprintf(stderr, fmta, ap); + va_end(ap); +} - va_start (ap,fmta); - vfprintf (stderr,fmta,ap); - va_end (ap); +int OPENSSL_isservice(void) +{ + return 0; } -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); +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(); + abort(); #else - /* Win32 abort() customarily shows a dialog, but we just did that... */ -#if !defined(_WIN32_WCE) - raise(SIGABRT); -#endif - _exit(3); + /* + * Win32 abort() customarily shows a dialog, but we just did that... + */ +# if !defined(_WIN32_WCE) + raise(SIGABRT); +# endif + _exit(3); #endif - } +} -void *OPENSSL_stderr(void) { return stderr; } +void *OPENSSL_stderr(void) +{ + return stderr; +} 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; +{ + 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]; + for (i = 0; i < len; i++) + x |= a[i] ^ b[i]; - return x; - } + return x; +} |