From befe1fbc29e1c03058278f7022553378267c184d Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sat, 1 Nov 2008 21:09:54 +0000
Subject: [PATCH] Fix bss_log.c on Windows.

---
 crypto/bio/bss_log.c | 53 ++++++++++----------------------------------
 1 file changed, 12 insertions(+), 41 deletions(-)

diff --git a/crypto/bio/bss_log.c b/crypto/bio/bss_log.c
index bb676a83a9..7ead044b37 100644
--- a/crypto/bio/bss_log.c
+++ b/crypto/bio/bss_log.c
@@ -70,7 +70,6 @@
 
 #if defined(OPENSSL_SYS_WINCE)
 #elif defined(OPENSSL_SYS_WIN32)
-#  include <process.h>
 #elif defined(OPENSSL_SYS_VMS)
 #  include <opcdef.h>
 #  include <descrip.h>
@@ -122,18 +121,6 @@ static int MS_CALLBACK slg_free(BIO *data);
 static void xopenlog(BIO* bp, char* name, int level);
 static void xsyslog(BIO* bp, int priority, const char* string);
 static void xcloselog(BIO* bp);
-#ifdef OPENSSL_SYS_WIN32
-LONG	(WINAPI *go_for_advapi)()	= RegOpenKeyEx;
-HANDLE	(WINAPI *register_event_source)()	= NULL;
-BOOL	(WINAPI *deregister_event_source)()	= NULL;
-BOOL	(WINAPI *report_event)()	= NULL;
-#define DL_PROC(m,f)	(GetProcAddress( m, f ))
-#ifdef UNICODE
-#define DL_PROC_X(m,f) DL_PROC( m, f "W" )
-#else
-#define DL_PROC_X(m,f) DL_PROC( m, f "A" )
-#endif
-#endif
 
 static BIO_METHOD methods_slg=
 	{
@@ -249,35 +236,20 @@ static int MS_CALLBACK slg_puts(BIO *bp, const char *str)
 
 static void xopenlog(BIO* bp, char* name, int level)
 {
-	if ( !register_event_source )
-		{
-		HANDLE	advapi;
-		if ( !(advapi = GetModuleHandle("advapi32")) )
-			return;
-		register_event_source = (HANDLE (WINAPI *)())DL_PROC_X(advapi,
-			"RegisterEventSource" );
-		deregister_event_source = (BOOL (WINAPI *)())DL_PROC(advapi,
-			"DeregisterEventSource");
-		report_event = (BOOL (WINAPI *)())DL_PROC_X(advapi,
-			"ReportEvent" );
-		if ( !(register_event_source && deregister_event_source &&
-				report_event) )
-			{
-			register_event_source = NULL;
-			deregister_event_source = NULL;
-			report_event = NULL;
-			return;
-			}
-		}
-	bp->ptr= (char *)register_event_source(NULL, name);
+	if (GetVersion() < 0x80000000)
+		bp->ptr = RegisterEventSourceA(NULL,name);
+	else
+		bp->ptr = NULL;
 }
 
 static void xsyslog(BIO *bp, int priority, const char *string)
 {
 	LPCSTR lpszStrings[2];
 	WORD evtype= EVENTLOG_ERROR_TYPE;
-	int pid = _getpid();
-	char pidbuf[DECIMAL_SIZE(pid)+4];
+	char pidbuf[DECIMAL_SIZE(DWORD)+4];
+
+	if (bp->ptr == NULL)
+		return;
 
 	switch (priority)
 		{
@@ -301,19 +273,18 @@ static void xsyslog(BIO *bp, int priority, const char *string)
 		break;
 		}
 
-	sprintf(pidbuf, "[%d] ", pid);
+	sprintf(pidbuf, "[%u] ", GetCurrentProcessId());
 	lpszStrings[0] = pidbuf;
 	lpszStrings[1] = string;
 
-	if(report_event && bp->ptr)
-		report_event(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
+	ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0,
 				lpszStrings, NULL);
 }
 	
 static void xcloselog(BIO* bp)
 {
-	if(deregister_event_source && bp->ptr)
-		deregister_event_source((HANDLE)(bp->ptr));
+	if(bp->ptr)
+		DeregisterEventSource((HANDLE)(bp->ptr));
 	bp->ptr= NULL;
 }
 
-- 
2.25.1