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-rw-r--r--openssl/crypto/cryptlib.c545
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diff --git a/openssl/crypto/cryptlib.c b/openssl/crypto/cryptlib.c
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+/* crypto/cryptlib.c */
+/* ====================================================================
+ * Copyright (c) 1998-2003 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) || defined(OPENSSL_SYS_WIN16)
+static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
+#endif
+
+static void (MS_FAR *locking_callback)(int mode,int type,
+ const char *file,int line)=NULL;
+static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
+ int type,const char *file,int line)=NULL;
+static unsigned long (MS_FAR *id_callback)(void)=NULL;
+
+int CRYPTO_num_locks(void)
+ {
+ return CRYPTO_NUM_LOCKS;
+ }
+
+void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
+ int line)
+ {
+ return(locking_callback);
+ }
+
+int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
+ const char *file,int line)
+ {
+ return(add_lock_callback);
+ }
+
+void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
+ const char *file,int line))
+ {
+ locking_callback=func;
+ }
+
+void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
+ const char *file,int line))
+ {
+ add_lock_callback=func;
+ }
+
+unsigned long (*CRYPTO_get_id_callback(void))(void)
+ {
+ return(id_callback);
+ }
+
+void CRYPTO_set_id_callback(unsigned long (*func)(void))
+ {
+ id_callback=func;
+ }
+
+unsigned long CRYPTO_thread_id(void)
+ {
+ unsigned long ret=0;
+
+ if (id_callback == NULL)
+ {
+#ifdef OPENSSL_SYS_WIN16
+ ret=(unsigned long)GetCurrentTask();
+#elif defined(OPENSSL_SYS_WIN32)
+ ret=(unsigned long)GetCurrentThreadId();
+#elif defined(GETPID_IS_MEANINGLESS)
+ ret=1L;
+#else
+ ret=(unsigned long)getpid();
+#endif
+ }
+ else
+ ret=id_callback();
+ return(ret);
+ }
+
+static void (*do_dynlock_cb)(int mode, int type, const char *file, int line);
+
+void int_CRYPTO_set_do_dynlock_callback(
+ void (*dyn_cb)(int mode, int type, const char *file, int line))
+ {
+ do_dynlock_cb = dyn_cb;
+ }
+
+void CRYPTO_lock(int mode, int type, const char *file, int line)
+ {
+#ifdef LOCK_DEBUG
+ {
+ char *rw_text,*operation_text;
+
+ if (mode & CRYPTO_LOCK)
+ operation_text="lock ";
+ else if (mode & CRYPTO_UNLOCK)
+ operation_text="unlock";
+ else
+ operation_text="ERROR ";
+
+ if (mode & CRYPTO_READ)
+ rw_text="r";
+ else if (mode & CRYPTO_WRITE)
+ rw_text="w";
+ else
+ rw_text="ERROR";
+
+ fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
+ CRYPTO_thread_id(), rw_text, operation_text,
+ CRYPTO_get_lock_name(type), file, line);
+ }
+#endif
+ if (type < 0)
+ {
+ if (do_dynlock_cb)
+ do_dynlock_cb(mode, type, file, line);
+ }
+ else
+ if (locking_callback != NULL)
+ locking_callback(mode,type,file,line);
+ }
+
+int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
+ int line)
+ {
+ int ret = 0;
+
+ if (add_lock_callback != NULL)
+ {
+#ifdef LOCK_DEBUG
+ int before= *pointer;
+#endif
+
+ ret=add_lock_callback(pointer,amount,type,file,line);
+#ifdef LOCK_DEBUG
+ fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
+ CRYPTO_thread_id(),
+ before,amount,ret,
+ CRYPTO_get_lock_name(type),
+ file,line);
+#endif
+ }
+ else
+ {
+ CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
+
+ ret= *pointer+amount;
+#ifdef LOCK_DEBUG
+ fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
+ CRYPTO_thread_id(),
+ *pointer,amount,ret,
+ CRYPTO_get_lock_name(type),
+ file,line);
+#endif
+ *pointer=ret;
+ CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
+ }
+ return(ret);
+ }
+
+#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
+ defined(__INTEL__) || \
+ defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
+
+unsigned long OPENSSL_ia32cap_P=0;
+unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
+
+#if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
+#define OPENSSL_CPUID_SETUP
+void OPENSSL_cpuid_setup(void)
+{ static int trigger=0;
+ unsigned long OPENSSL_ia32_cpuid(void);
+ char *env;
+
+ if (trigger) return;
+
+ trigger=1;
+ if ((env=getenv("OPENSSL_ia32cap")))
+ OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10);
+ else
+ OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10);
+ /*
+ * |(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.
+ */
+}
+#endif
+
+#else
+unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
+#endif
+int OPENSSL_NONPIC_relocated = 0;
+#if !defined(OPENSSL_CPUID_SETUP)
+void OPENSSL_cpuid_setup(void) {}
+#endif
+
+#if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
+
+#ifdef OPENSSL_FIPS
+
+#include <tlhelp32.h>
+#if defined(__GNUC__) && __GNUC__>=2
+static int DllInit(void) __attribute__((constructor));
+#elif defined(_MSC_VER)
+static int DllInit(void);
+# ifdef _WIN64
+# pragma section(".CRT$XCU",read)
+ __declspec(allocate(".CRT$XCU"))
+# else
+# pragma data_seg(".CRT$XCU")
+# endif
+ static int (*p)(void) = DllInit;
+# pragma data_seg()
+#endif
+
+static int DllInit(void)
+{
+#if defined(_WIN32_WINNT)
+ union { int(*f)(void); BYTE *p; } t = { DllInit };
+ HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
+ IMAGE_DOS_HEADER *dos_header;
+ IMAGE_NT_HEADERS *nt_headers;
+ MODULEENTRY32 me32 = {sizeof(me32)};
+
+ hModuleSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,0);
+ if (hModuleSnap != INVALID_HANDLE_VALUE &&
+ Module32First(hModuleSnap,&me32)) do
+ {
+ if (t.p >= me32.modBaseAddr &&
+ t.p < me32.modBaseAddr+me32.modBaseSize)
+ {
+ dos_header=(IMAGE_DOS_HEADER *)me32.modBaseAddr;
+ if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
+ {
+ nt_headers=(IMAGE_NT_HEADERS *)
+ ((BYTE *)dos_header+dos_header->e_lfanew);
+ if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
+ me32.modBaseAddr!=(BYTE*)nt_headers->OptionalHeader.ImageBase)
+ OPENSSL_NONPIC_relocated=1;
+ }
+ break;
+ }
+ } while (Module32Next(hModuleSnap,&me32));
+
+ if (hModuleSnap != INVALID_HANDLE_VALUE)
+ CloseHandle(hModuleSnap);
+#endif
+ OPENSSL_cpuid_setup();
+ return 0;
+}
+
+#else
+
+#ifdef __CYGWIN__
+/* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
+#include <windows.h>
+#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:
+ ERR_remove_state(0);
+ break;
+ case DLL_PROCESS_DETACH:
+ break;
+ }
+ return(TRUE);
+ }
+#endif
+
+#endif
+
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#include <tchar.h>
+
+#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
+int OPENSSL_isservice(void)
+{ HWINSTA h;
+ DWORD len;
+ WCHAR *name;
+
+ (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 */
+#ifdef _MSC_VER
+ name=(WCHAR *)_alloca(len+sizeof(WCHAR));
+#else
+ name=(WCHAR *)alloca(len+sizeof(WCHAR));
+#endif
+ 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 */
+ va_start (ap,fmta);
+ vfprintf (stderr,fmta,ap);
+ 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;
+
+#ifdef _MSC_VER
+ fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR));
+#else
+ fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR));
+#endif
+ 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 (GetVersion() < 0x80000000 && OPENSSL_isservice())
+ { 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);
+ abort();
+ }
+
+void *OPENSSL_stderr(void) { return stderr; }
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