X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fcryptlib.c;h=21332378cf0bfcdd15d5df12e3dd5933ffd2987c;hp=920ff184e2907e422f2928b56972205ea1e6f1d7;hb=dabaea8048988709af709e7d329dff311635ff84;hpb=e778802f53c8d47e96a6e4cbc776eb6e1d4c461a

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index 920ff184e2..21332378cf 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -1,4 +1,57 @@
 /* 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.
  *
@@ -55,23 +108,28 @@
  * 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 <stdio.h>
-#include <string.h>
 #include "cryptlib.h"
-#include "crypto.h"
-#include "date.h"
+#include <openssl/safestack.h>
 
-#if defined(WIN32) || defined(WIN16)
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
 #endif
 
+DECLARE_STACK_OF(CRYPTO_dynlock)
+IMPLEMENT_STACK_OF(CRYPTO_dynlock)
+
 /* real #defines in crypto.h, keep these upto date */
 static const char* lock_names[CRYPTO_NUM_LOCKS] =
 	{
 	"<<ERROR>>",
 	"err",
-	"err_hash",
+	"ex_data",
 	"x509",
 	"x509_info",
 	"x509_pkey",
@@ -84,39 +142,67 @@ static const char* lock_names[CRYPTO_NUM_LOCKS] =
 	"ssl_ctx",
 	"ssl_cert",
 	"ssl_session",
+	"ssl_sess_cert",
 	"ssl",
+	"ssl_method",
 	"rand",
+	"rand2",
 	"debug_malloc",
 	"BIO",
-	"bio_gethostbyname",
+	"gethostbyname",
+	"getservbyname",
+	"readdir",
 	"RSA_blinding",
+	"dh",
+	"debug_malloc2",
+	"dso",
+	"dynlock",
+	"engine",
+	"ui",
+	"ecdsa",
+	"ec",
+	"ecdh",
+	"bn",
+	"ec_pre_comp",
+	"store",
+	"comp",
+#if CRYPTO_NUM_LOCKS != 39
+# error "Inconsistency between crypto.h and cryptlib.c"
+#endif
 	};
 
+/* This is for applications to allocate new type names in the non-dynamic
+   array of lock names.  These are numbered with positive numbers.  */
 static STACK *app_locks=NULL;
 
-#ifndef NOPROTO
+/* For applications that want a more dynamic way of handling threads, the
+   following stack is used.  These are externally numbered with negative
+   numbers.  */
+static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
+
+
 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;
-#else
-static void (MS_FAR *locking_callback)()=NULL;
-static int (MS_FAR *add_lock_callback)()=NULL;
-static unsigned long (MS_FAR *id_callback)()=NULL;
-#endif
+static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
+	(const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_lock_callback)(int mode,
+	struct CRYPTO_dynlock_value *l, const char *file,int line)=NULL;
+static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
+	const char *file,int line)=NULL;
 
-int CRYPTO_get_new_lockid(name)
-char *name;
+int CRYPTO_get_new_lockid(char *name)
 	{
 	char *str;
 	int i;
 
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 	/* A hack to make Visual C++ 5.0 work correctly when linking as
 	 * a DLL using /MT. Without this, the application cannot use
 	 * and floating point printf's.
 	 * It also seems to be needed for Visual C 1.5 (win16) */
-#if defined(WIN32) || defined(WIN16)
 	SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
 #endif
 
@@ -126,15 +212,184 @@ char *name;
 		return(0);
 		}
 	if ((str=BUF_strdup(name)) == NULL)
+		{
+		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
 		return(0);
+		}
 	i=sk_push(app_locks,str);
 	if (!i)
-		Free(str);
+		OPENSSL_free(str);
 	else
 		i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
 	return(i);
 	}
 
+int CRYPTO_num_locks(void)
+	{
+	return CRYPTO_NUM_LOCKS;
+	}
+
+int CRYPTO_get_new_dynlockid(void)
+	{
+	int i = 0;
+	CRYPTO_dynlock *pointer = NULL;
+
+	if (dynlock_create_callback == NULL)
+		{
+		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
+		return(0);
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+	if ((dyn_locks == NULL)
+		&& ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
+		{
+		CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+		return(0);
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+	pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
+	if (pointer == NULL)
+		{
+		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+		return(0);
+		}
+	pointer->references = 1;
+	pointer->data = dynlock_create_callback(__FILE__,__LINE__);
+	if (pointer->data == NULL)
+		{
+		OPENSSL_free(pointer);
+		CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+		return(0);
+		}
+
+	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+	/* First, try to find an existing empty slot */
+	i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
+	/* If there was none, push, thereby creating a new one */
+	if (i == -1)
+		/* Since sk_push() returns the number of items on the
+		   stack, not the location of the pushed item, we need
+		   to transform the returned number into a position,
+		   by decreasing it.  */
+		i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
+	else
+		/* If we found a place with a NULL pointer, put our pointer
+		   in it.  */
+		sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
+	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+	if (i == -1)
+		{
+		dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+		OPENSSL_free(pointer);
+		}
+	else
+		i += 1; /* to avoid 0 */
+	return -i;
+	}
+
+void CRYPTO_destroy_dynlockid(int i)
+	{
+	CRYPTO_dynlock *pointer = NULL;
+	if (i)
+		i = -i-1;
+	if (dynlock_destroy_callback == NULL)
+		return;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+	if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
+		{
+		CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+		return;
+		}
+	pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+	if (pointer != NULL)
+		{
+		--pointer->references;
+#ifdef REF_CHECK
+		if (pointer->references < 0)
+			{
+			fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
+			abort();
+			}
+		else
+#endif
+			if (pointer->references <= 0)
+				{
+				sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
+				}
+			else
+				pointer = NULL;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+	if (pointer)
+		{
+		dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+		OPENSSL_free(pointer);
+		}
+	}
+
+struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
+	{
+	CRYPTO_dynlock *pointer = NULL;
+	if (i)
+		i = -i-1;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+	if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
+		pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+	if (pointer)
+		pointer->references++;
+
+	CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+	if (pointer)
+		return pointer->data;
+	return NULL;
+	}
+
+struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
+	(const char *file,int line)
+	{
+	return(dynlock_create_callback);
+	}
+
+void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
+	struct CRYPTO_dynlock_value *l, const char *file,int line)
+	{
+	return(dynlock_lock_callback);
+	}
+
+void (*CRYPTO_get_dynlock_destroy_callback(void))
+	(struct CRYPTO_dynlock_value *l, const char *file,int line)
+	{
+	return(dynlock_destroy_callback);
+	}
+
+void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
+	(const char *file, int line))
+	{
+	dynlock_create_callback=func;
+	}
+
+void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
+	struct CRYPTO_dynlock_value *l, const char *file, int line))
+	{
+	dynlock_lock_callback=func;
+	}
+
+void CRYPTO_set_dynlock_destroy_callback(void (*func)
+	(struct CRYPTO_dynlock_value *l, const char *file, int line))
+	{
+	dynlock_destroy_callback=func;
+	}
+
+
 void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
 		int line)
 	{
@@ -159,28 +414,27 @@ void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
 	add_lock_callback=func;
 	}
 
-unsigned long (*CRYPTO_get_id_callback(P_V))(P_V)
+unsigned long (*CRYPTO_get_id_callback(void))(void)
 	{
 	return(id_callback);
 	}
 
-void CRYPTO_set_id_callback(func)
-unsigned long (*func)(P_V);
+void CRYPTO_set_id_callback(unsigned long (*func)(void))
 	{
 	id_callback=func;
 	}
 
-unsigned long CRYPTO_thread_id()
+unsigned long CRYPTO_thread_id(void)
 	{
 	unsigned long ret=0;
 
 	if (id_callback == NULL)
 		{
-#ifdef WIN16
+#ifdef OPENSSL_SYS_WIN16
 		ret=(unsigned long)GetCurrentTask();
-#elif defined(WIN32)
+#elif defined(OPENSSL_SYS_WIN32)
 		ret=(unsigned long)GetCurrentThreadId();
-#elif defined(MSDOS)
+#elif defined(GETPID_IS_MEANINGLESS)
 		ret=1L;
 #else
 		ret=(unsigned long)getpid();
@@ -191,11 +445,7 @@ unsigned long CRYPTO_thread_id()
 	return(ret);
 	}
 
-void CRYPTO_lock(mode,type,file,line)
-int mode;
-int type;
-const char *file;
-int line;
+void CRYPTO_lock(int mode, int type, const char *file, int line)
 	{
 #ifdef LOCK_DEBUG
 		{
@@ -220,18 +470,29 @@ int line;
 			CRYPTO_get_lock_name(type), file, line);
 		}
 #endif
-	if (locking_callback != NULL)
-		locking_callback(mode,type,file,line);
+	if (type < 0)
+		{
+		if (dynlock_lock_callback != NULL)
+			{
+			struct CRYPTO_dynlock_value *pointer
+				= CRYPTO_get_dynlock_value(type);
+
+			OPENSSL_assert(pointer != NULL);
+
+			dynlock_lock_callback(mode, pointer, file, line);
+
+			CRYPTO_destroy_dynlockid(type);
+			}
+		}
+	else
+		if (locking_callback != NULL)
+			locking_callback(mode,type,file,line);
 	}
 
-int CRYPTO_add_lock(pointer,amount,type,file,line)
-int *pointer;
-int amount;
-int type;
-const char *file;
-int line;
+int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
+	     int line)
 	{
-	int ret;
+	int ret = 0;
 
 	if (add_lock_callback != NULL)
 		{
@@ -247,7 +508,6 @@ int line;
 			CRYPTO_get_lock_name(type),
 			file,line);
 #endif
-		*pointer=ret;
 		}
 	else
 		{
@@ -267,33 +527,86 @@ int line;
 	return(ret);
 	}
 
-const char *CRYPTO_get_lock_name(type)
-int type;
+const char *CRYPTO_get_lock_name(int type)
 	{
 	if (type < 0)
-		return("ERROR");
+		return("dynamic");
 	else if (type < CRYPTO_NUM_LOCKS)
 		return(lock_names[type]);
-	else if (type-CRYPTO_NUM_LOCKS >= sk_num(app_locks))
+	else if (type-CRYPTO_NUM_LOCKS > sk_num(app_locks))
 		return("ERROR");
 	else
 		return(sk_value(app_locks,type-CRYPTO_NUM_LOCKS));
 	}
 
-#ifdef _DLL
-#ifdef WIN32
+#if	defined(__i386)   || defined(__i386__)   || defined(_M_IX86) || \
+	defined(__INTEL__) || \
+	defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64)
+
+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 __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 DLLEntryPoint(hinstDLL,fdwReason,lpvReserved)
-HINSTANCE hinstDLL;
-DWORD fdwReason;
-LPVOID lpvReserved;
+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;
@@ -307,4 +620,149 @@ LPVOID lpvReserved;
 	}
 #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;
+}
+#endif
+
+void OPENSSL_showfatal (const char *fmta,...)
+{ va_list ap;
+  TCHAR buf[256];
+  const TCHAR *fmt;
+  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;
+    }
+
+    if (sizeof(TCHAR)==sizeof(char))
+	fmt=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
+    {	MSGBOXPARAMS         m;
+
+	m.cbSize             = sizeof(m);
+	m.hwndOwner          = NULL;
+	m.lpszCaption        = _T("OpenSSL: FATAL");
+	m.dwStyle            = MB_OK;
+	m.hInstance          = NULL;
+	m.lpszIcon           = IDI_ERROR;
+	m.dwContextHelpId    = 0;
+	m.lpfnMsgBoxCallback = NULL;
+	m.dwLanguageId       = MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US);
+	m.lpszText           = buf;
+
+	MessageBoxIndirect (&m);
+    }
+}
+#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; }