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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1993.
//
// File: debug.c
//
// Contents: Debugging support functions
//
// Classes:
//
// Functions:
//
// Note: This file is not compiled for retail builds
//
// History: 4-29-93 RichardW Created
//
//----------------------------------------------------------------------------
//
// For ease of debugging the SPMgr, all the debug support functions have
// been stuck here. Basically, we read info from win.ini, since that allows
// us to configure the debug level via a text file (and DOS, for example).
//
// Format is:
//
// win.ini
//
// [SPMgr]
// DebugFlags=<Flag>[<,Flag>]*
// Package=<int>
// BreakFlags=<BreakFlag>[<,BreakFlags>]*
//
// WHERE:
// Flag is one of the following:
// Error, Warning, Trace, Verbose, BreakOnError, Helpers,
// RefMon, Locator, WAPI, Init, Audit, Db, Lsa
//
// Package is the name of the dll implementing the package, e.g.
// NTLM=3
//
// BreakFlags will cause SPMgr to break, if BreakOnError is set in
// DebugFlags:
// InitBegin, InitEnd, Connect, Exception, Problem, Load
//
//
#if DBG // NOTE: This file not compiled for retail builds
#include "msgina.h"
#include <stdio.h>
#include <wchar.h>
FILE * LogFile;
DWORD BreakFlags = 0;
extern DWORD NoUnload;
DWORD GINAInfoLevel = 3;
// Debugging support functions.
// These two functions do not exist in Non-Debug builds. They are wrappers
// to the commnot functions (maybe I should get rid of that as well...)
// that echo the message to a log file.
char szSection[] = "MSGina";
char * DebLevel[] = {"GINA-Error", "GINA-Warn", "GINA-Trace", "GINA-Trace-Parm",
};
typedef struct _DebugKeys {
char * Name;
DWORD Value;
} DebugKeys, *PDebugKeys;
DebugKeys DebugKeyNames[] = {
{"Error", DEB_ERROR},
{"Warning", DEB_WARN},
{"Trace", DEB_TRACE},
{"Domain", DEB_TRACE_DOMAIN},
{"Cache", DEB_TRACE_CACHE}
};
#define NUM_DEBUG_KEYS sizeof(DebugKeyNames) / sizeof(DebugKeys)
#define NUM_BREAK_KEYS sizeof(BreakKeyNames) / sizeof(DebugKeys)
//+---------------------------------------------------------------------------
//
// Function: LogEvent
//
// Synopsis: Logs an event to the console and, optionally, a file.
//
// Effects:
//
// Arguments: [Mask] --
// [Format] --
// [Format] --
//
// Requires:
//
// Returns:
//
// Signals:
//
// Modifies:
//
// Algorithm:
//
// History: 4-29-93 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
void
LogEvent( long Mask,
const char * Format,
...)
{
va_list ArgList;
int Level = 0;
int PrefixSize = 0;
char szOutString[256];
long OriginalMask = Mask;
if (Mask & GINAInfoLevel)
{
while (!(Mask & 1))
{
Level++;
Mask >>= 1;
}
if (Level >= (sizeof(DebLevel) / sizeof(char *)) )
{
Level = (sizeof(DebLevel) / sizeof(char *)) - 1;
}
//
// Make the prefix first: "Process.Thread> GINA-XXX"
//
PrefixSize = sprintf(szOutString, "%d.%d> %s: ",
GetCurrentProcessId(), GetCurrentThreadId(), DebLevel[Level]);
va_start(ArgList, Format);
if (_vsnprintf(&szOutString[PrefixSize], sizeof(szOutString) - PrefixSize,
Format, ArgList) < 0)
{
//
// Less than zero indicates that the string could not be
// fitted into the buffer. Output a special message indicating
// that:
//
OutputDebugStringA("GINA!LogEvent: Could not pack string into 256 bytes\n");
}
else
{
OutputDebugStringA(szOutString);
}
if (LogFile)
{
SYSTEMTIME stTime;
FILETIME ftTime;
FILETIME localtime;
NtQuerySystemTime((PLARGE_INTEGER) &ftTime);
FileTimeToLocalFileTime(&ftTime, &localtime);
FileTimeToSystemTime(&localtime, &stTime);
fprintf(LogFile, "%02d:%02d:%02d.%03d: %s\n",
stTime.wHour, stTime.wMinute, stTime.wSecond,
stTime.wMilliseconds, szOutString);
fflush(LogFile);
}
}
}
void
OpenLogFile(LPSTR pszLogFile)
{
LogFile = fopen(pszLogFile, "a");
if (!LogFile)
{
OutputDebugStringA("GINA: Could not open logfile for append");
OutputDebugStringA(pszLogFile);
}
DebugLog((DEB_TRACE, "Log file '%s' begins\n", pszLogFile));
}
DWORD
GetDebugKeyValue(
PDebugKeys KeyTable,
int cKeys,
LPSTR pszKey)
{
int i;
for (i = 0; i < cKeys ; i++ )
{
if (_strcmpi(KeyTable[i].Name, pszKey) == 0)
{
return(KeyTable[i].Value);
}
}
return(0);
}
//+---------------------------------------------------------------------------
//
// Function: LoadDebugParameters
//
// Synopsis: Loads debug parameters from win.ini
//
// Effects:
//
// Arguments: (none)
//
// Requires:
//
// Returns:
//
// Signals:
//
// Modifies:
//
// Algorithm:
//
// History: 4-29-93 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
void
LoadDebugParameters(void)
{
char szVal[128];
char * pszDebug;
int cbVal;
cbVal = GetProfileStringA(szSection, "DebugFlags", "Error,Warning", szVal, sizeof(szVal));
pszDebug = strtok(szVal, ", \t");
while (pszDebug)
{
GINAInfoLevel |= GetDebugKeyValue(DebugKeyNames, NUM_DEBUG_KEYS, pszDebug);
pszDebug = strtok(NULL, ", \t");
}
cbVal = GetProfileStringA(szSection, "LogFile", "", szVal, sizeof(szVal));
if (cbVal)
{
OpenLogFile(szVal);
}
}
//+---------------------------------------------------------------------------
//
// Function: InitDebugSupport
//
// Synopsis: Initializes debugging support for the GINAgr
//
// Effects:
//
// Arguments: (none)
//
// Requires:
//
// Returns:
//
// Signals:
//
// Modifies:
//
// Algorithm:
//
// History: 4-29-93 RichardW Created
//
// Notes:
//
//----------------------------------------------------------------------------
void
InitDebugSupport(void)
{
LoadDebugParameters();
}
#else // DBG
#pragma warning(disable:4206) // Disable the empty transation unit
// warning/error
#endif // NOTE: This file not compiled for retail builds
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