| /* 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 <openssl/safestack.h> |
| |
| #if defined(OPENSSL_SYS_WIN32) |
| 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 <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 |
| |
| #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 |
| }; |
| |
| 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 < 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; |
| |
| 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 |
| } |
| |
| 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; |
| |
| for (i = 0; i < len; i++) |
| x |= a[i] ^ b[i]; |
| |
| return x; |
| } |
