Source code of Windows XP (NT5)
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// EmManager.cpp : Implementation of CEmManager
#include "stdafx.h"
#include "Emsvc.h"
#include "EmManager.h"
#include "Processes.h"
#include "sahlp.h"
#include <winerror.h>
BSTR
CopyBSTR
(
LPBYTE pb,
ULONG cb
);
/*
BOOL OleDateFromTm(WORD wYear, WORD wMonth, WORD wDay,
WORD wHour, WORD wMinute, WORD wSecond, DATE& dtDest)
{
// Validate year and month (ignore day of week and milliseconds)
if (wYear > 9999 || wMonth < 1 || wMonth > 12)
return FALSE;
// Check for leap year and set the number of days in the month
BOOL bLeapYear = ((wYear & 3) == 0) &&
((wYear % 100) != 0 || (wYear % 400) == 0);
int nDaysInMonth =
_afxMonthDays[wMonth] - _afxMonthDays[wMonth-1] +
((bLeapYear && wDay == 29 && wMonth == 2) ? 1 : 0);
// Finish validating the date
if (wDay < 1 || wDay > nDaysInMonth ||
wHour > 23 || wMinute > 59 ||
wSecond > 59)
{
return FALSE;
}
// Cache the date in days and time in fractional days
long nDate;
double dblTime;
//It is a valid date; make Jan 1, 1AD be 1
nDate = wYear*365L + wYear/4 - wYear/100 + wYear/400 +
_afxMonthDays[wMonth-1] + wDay;
// If leap year and it's before March, subtract 1:
if (wMonth <= 2 && bLeapYear)
--nDate;
// Offset so that 12/30/1899 is 0
nDate -= 693959L;
dblTime = (((long)wHour * 3600L) + // hrs in seconds
((long)wMinute * 60L) + // mins in seconds
((long)wSecond)) / 86400.;
dtDest = (double) nDate + ((nDate >= 0) ? dblTime : -dblTime);
return TRUE;
}
const COleDateTime& COleDateTime::operator=(const FILETIME& filetimeSrc)
{
// Assume UTC FILETIME, so convert to LOCALTIME
FILETIME filetimeLocal;
if (!FileTimeToLocalFileTime( &filetimeSrc, &filetimeLocal))
{
#ifdef _DEBUG
DWORD dwError = GetLastError();
TRACE1("\nFileTimeToLocalFileTime failed. Error = %lu.\n\t", dwError);
#endif // _DEBUG
m_status = invalid;
}
else
{
// Take advantage of SYSTEMTIME -> FILETIME conversion
SYSTEMTIME systime;
m_status = FileTimeToSystemTime(&filetimeLocal, &systime) ?
valid : invalid;
// At this point systime should always be valid, but...
if (GetStatus() == valid)
{
m_status = _AfxOleDateFromTm(systime.wYear, systime.wMonth,
systime.wDay, systime.wHour, systime.wMinute,
systime.wSecond, m_dt) ? valid : invalid;
}
}
return *this;
}
*/
HRESULT CEmManager::EnumLogFiles
(
VARIANT *lpVariant,
LPCTSTR lpSearchString
)
{
ATLTRACE(_T("CEmManager::EnumLogFiles\n"));
HRESULT hr = E_FAIL;
TCHAR szDirectory[_MAX_PATH] = _T("");
TCHAR szExt[_MAX_EXT] = _T("");
LPWIN32_FIND_DATA lpFindData = NULL;
LONG cFiles = 0;
__try {
if(lpSearchString == NULL) {
_Module.GetEmDirectory (
EMOBJ_LOGFILE,
(LPTSTR)szDirectory,
sizeof szDirectory / sizeof (TCHAR),
(LPTSTR)szExt,
sizeof szExt / sizeof (TCHAR)
);
}
else {
_tcscpy(szDirectory, lpSearchString);
_tcscpy(szExt, _T(""));
}
hr = EnumFiles (
szDirectory,
szExt,
&lpFindData,
&cFiles
);
if ( SUCCEEDED(hr) ) {
hr = PackageFilesToVariant (
EMOBJ_LOGFILE,
lpFindData,
cFiles,
lpVariant
);
}
if( lpFindData ) { free( lpFindData ); lpFindData = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
HRESULT
CEmManager::EnumCmdSets
(
OUT VARIANT *lpVariant,
IN LPCTSTR lpSearchString
)
{
ATLTRACE(_T("CEmManager::EnumCmdSets\n"));
HRESULT hr = E_FAIL;
TCHAR szDirectory[_MAX_PATH];
TCHAR szExt[_MAX_EXT];
LPWIN32_FIND_DATA lpFindData = NULL;
LONG cFiles = 0;
__try {
if( lpSearchString == NULL ) {
_Module.GetEmDirectory (
EMOBJ_CMDSET,
(LPTSTR)szDirectory,
sizeof szDirectory / sizeof ( TCHAR ),
(LPTSTR)szExt,
sizeof szExt / sizeof ( TCHAR )
);
}
else {
_tcscpy( szDirectory, lpSearchString );
_tcscpy( szExt, _T(""));
}
hr = EnumFiles (
szDirectory,
szExt,
&lpFindData,
&cFiles
);
if ( SUCCEEDED(hr) ) {
hr = PackageFilesToVariant (
EMOBJ_CMDSET,
lpFindData,
cFiles,
lpVariant
);
}
if( lpFindData ) { free( lpFindData ); lpFindData = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
HRESULT
CEmManager::EnumDumpFiles
(
OUT VARIANT *lpVariant,
IN LPCTSTR lpSearchString
)
{
ATLTRACE(_T("CEmManager::EnumDumpFiles\n"));
HRESULT hr = E_FAIL;
TCHAR szDirectory[_MAX_PATH];
TCHAR szExt[_MAX_EXT];
LPWIN32_FIND_DATA lpFindData = NULL;
LONG cFiles = 0;
__try {
if(lpSearchString == NULL) {
_Module.GetEmDirectory (
EMOBJ_MINIDUMP,
(LPTSTR)szDirectory,
sizeof szDirectory / sizeof ( TCHAR ),
(LPTSTR)szExt,
sizeof szExt / sizeof ( TCHAR )
);
}
else {
_tcscpy( szDirectory, lpSearchString );
_tcscpy( szExt, _T(""));
}
hr = EnumFiles (
szDirectory,
szExt,
&lpFindData,
&cFiles
);
if ( SUCCEEDED(hr) ) {
hr = PackageFilesToVariant (
EMOBJ_MINIDUMP,
lpFindData,
cFiles,
lpVariant
);
}
if( lpFindData ) { free( lpFindData ); lpFindData = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
HRESULT CEmManager::EnumFiles
(
LPTSTR lpszDirectory,
LPTSTR lpszExt,
LPWIN32_FIND_DATA *lppFindData,
LONG *lpFiles
)
{
ATLTRACE(_T("CEmManager::EnumFiles\n"));
HRESULT hr = E_FAIL;
HANDLE hFind = INVALID_HANDLE_VALUE;
LPWIN32_FIND_DATA lpFindFileData = NULL;
LONG cMaxFiles = 0;
LONG cGrowBy = 100;
LONG cFileBuf = 0;
BOOL fContinue = TRUE;
TCHAR szFileName[_MAX_PATH];
DWORD dwErr;
*lppFindData = NULL;
*lpFiles = 0;
cFileBuf = cGrowBy;
cMaxFiles = 0;
__try {
_tcscpy ( szFileName, lpszDirectory );
if ( _tcslen ( lpszExt ) > 0 ) {
_tcscat ( szFileName, _T ( "\\*" ) );
_tcscat ( szFileName, lpszExt );
}
// start with a initial buffer
lpFindFileData = ( LPWIN32_FIND_DATA) malloc ( sizeof ( WIN32_FIND_DATA) * cFileBuf );
if ( lpFindFileData == NULL )
goto qEnumFiles;
// read from the filesystem
hFind = FindFirstFile ( szFileName, &lpFindFileData[cMaxFiles] );
while ( hFind != INVALID_HANDLE_VALUE && fContinue ) {
cMaxFiles++;
// grow buffer if necessary
if ( cMaxFiles == cFileBuf ) {
cFileBuf += cGrowBy;
LPWIN32_FIND_DATA lpNewFileData = (LPWIN32_FIND_DATA) realloc (
lpFindFileData,
sizeof ( WIN32_FIND_DATA) * cFileBuf
);
if ( lpNewFileData == NULL ) {
goto qEnumFiles;
}
delete lpFindFileData;
lpFindFileData = lpNewFileData;
}
fContinue = FindNextFile ( hFind, &lpFindFileData[cMaxFiles] );
}
if ( hFind == INVALID_HANDLE_VALUE || fContinue == FALSE ) {
dwErr = GetLastError();
}
if ( dwErr == ERROR_NO_MORE_FILES || dwErr == ERROR_FILE_NOT_FOUND )
hr = S_OK;
else
hr = HRESULT_FROM_WIN32 ( dwErr );
qEnumFiles:
if ( SUCCEEDED ( hr ) ) {
*lppFindData = lpFindFileData;
*lpFiles = cMaxFiles;
}
else {
if ( lpFindFileData )
free ( lpFindFileData );
}
if ( hFind != INVALID_HANDLE_VALUE )
FindClose ( hFind );
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
if ( lpFindFileData )
free ( lpFindFileData );
if ( hFind != INVALID_HANDLE_VALUE )
FindClose ( hFind );
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
HRESULT CEmManager::PackageFilesToVariant
(
EmObjectType eObjectType,
LPWIN32_FIND_DATA lpFindFileData,
LONG cFiles,
LPVARIANT lpVariant
)
{
ATLTRACE(_T("CEmManager::PackageFilesToVariant\n"));
HRESULT hr = E_FAIL;
EmObject emObject;
BSTR bstrObject = NULL;
LONG iFile = 0;
__try {
::VariantClear ( lpVariant );
hr = Variant_CreateOneDim ( lpVariant, cFiles, VT_BSTR );
if ( FAILED(hr) )
goto qPackage;
for ( iFile=0 ; iFile<cFiles ; iFile++ ) {
ZeroMemory ( &emObject, sizeof EmObject );
// type
emObject.type = eObjectType;
// ID
emObject.nId = 0;
// name
_tcscpy ( emObject.szName, lpFindFileData[iFile].cFileName );
emObject.nStatus = 0; //STAT_FILECREATED;
// Start time
emObject.dateStart = CServiceModule::GetDateFromFileTm(lpFindFileData[iFile].ftCreationTime);
// End time
emObject.dateEnd = 0;
emObject.dwBucket1 = lpFindFileData[iFile].nFileSizeLow;
// Now that EmObject is filled up, preprocess as appropriate
switch ( eObjectType ) {
case EMOBJ_MSINFO:
FillMsInfoFileInfo( NULL, &lpFindFileData[iFile], &emObject );
break;
case EMOBJ_MINIDUMP:
case EMOBJ_USERDUMP:
FillDumpFileInfo( NULL, &lpFindFileData[iFile], &emObject );
break;
case EMOBJ_LOGFILE:
FillLogFileInfo( NULL, &lpFindFileData[iFile], &emObject );
break;
case EMOBJ_CMDSET:
ScanCmdfile ( NULL, &lpFindFileData[iFile], &emObject );
break;
}
bstrObject = CopyBSTR ( (LPBYTE) &emObject, sizeof (EmObject) );
if ( bstrObject == NULL ) {
hr = E_OUTOFMEMORY;
goto qPackage;
}
hr = ::SafeArrayPutElement ( lpVariant->parray, &iFile, bstrObject );
if ( FAILED (hr) )
goto qPackage;
SysFreeString ( bstrObject );
}
qPackage:
if ( FAILED(hr)) {
::VariantClear ( lpVariant );
}
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
::VariantClear ( lpVariant );
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
HRESULT CEmManager::ScanCmdfile
(
LPCTSTR lpszCmdFileDir,
LPWIN32_FIND_DATA lpFindData,
EmObject *pEmObject
)
{
USES_CONVERSION;
ATLTRACE(_T("CEmManager::ScanCmdfile\n"));
HRESULT hr = S_OK;
const DWORD cchBuf = 512;
DWORD dwBytesRead;
char szBuf[cchBuf+1];
HANDLE hFile = INVALID_HANDLE_VALUE;
const DWORD cTemplates = 4;
LPSTR szTemplate [cTemplates];
DWORD dwErr;
DWORD dwIndex;
TCHAR szCmdDir[_MAX_PATH] = _T("");
TCHAR szCurrentDir[_MAX_PATH] = _T("");
DWORD dwBufSize = _MAX_PATH;
BOOL bMatchFound = FALSE;
char *pNewLine = NULL;
__try {
if( !lpszCmdFileDir ) {
_Module.GetEmDirectory( EMOBJ_CMDSET, szCmdDir, sizeof( szCmdDir ) / sizeof( TCHAR ), NULL, NULL);
lpszCmdFileDir = szCmdDir;
}
// fill template
szTemplate[0] = ( "!emdbg.tag" );
szTemplate[1] = ( "! emdbg.tag" );
szTemplate[2] = ( "*" );
szTemplate[3] = ( " *" );
ZeroMemory ( szBuf, sizeof szBuf );
if(GetCurrentDirectory(dwBufSize, szCurrentDir) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto qScan;
}
if(SetCurrentDirectory(lpszCmdFileDir) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
goto qScan;
}
hFile = ::CreateFile (
lpFindData->cFileName,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING,
0,
NULL
);
if ( hFile == INVALID_HANDLE_VALUE ) {
dwErr = GetLastError();
hr = HRESULT_FROM_WIN32 ( dwErr );
goto qScan;
}
if ( !::ReadFile ( hFile, szBuf, cchBuf, &dwBytesRead, NULL ) ) {
dwErr = GetLastError();
hr = HRESULT_FROM_WIN32 ( dwErr );
goto qScan;
}
pNewLine = strchr(szBuf, '\r\n');
if( pNewLine ) *pNewLine = '\0';
// see if a valid .ecx file
for ( dwIndex=0 ; dwIndex<cTemplates ; dwIndex++ ) {
if ( 0 ==
strncmp(
szBuf,
szTemplate[dwIndex],
strlen ( szTemplate[dwIndex] )
)
) {
bMatchFound = TRUE;
break;
}
}
// check if we got a match
if ( bMatchFound == FALSE ) {
pEmObject->hr = E_FAIL;
}
else {
int cCh = 0;
{
EmObject obj;
cCh = sizeof ( obj.szBucket1 ) / sizeof ( TCHAR );
}
// eat spaces
LPSTR pszSrc = szBuf;
pszSrc += strlen ( szTemplate[dwIndex] );
while ( pszSrc != NULL && *pszSrc == ' ' )
pszSrc++;
LPTSTR pszSrcW = A2T ( pszSrc );
ZeroMemory ( pEmObject->szBucket1, cCh );
_tcsncpy (
pEmObject->szBucket1,
pszSrcW,
cCh - sizeof ( TCHAR )
);
}
qScan:
if ( hFile != INVALID_HANDLE_VALUE )
::CloseHandle ( hFile );
if ( _tcscmp( szCurrentDir, _T("") ) != 0 ) {
if(SetCurrentDirectory(szCurrentDir) == 0) {
hr = HRESULT_FROM_WIN32(GetLastError());
}
}
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
if ( hFile != INVALID_HANDLE_VALUE )
::CloseHandle ( hFile );
if ( _tcscmp( szCurrentDir, _T("") ) != 0 ) {
SetCurrentDirectory(szCurrentDir);
}
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return hr;
}
HRESULT CEmManager::FillLogFileInfo
(
LPCTSTR lpszLogFileDir,
LPWIN32_FIND_DATA lpFindData,
EmObject *pEmObject
)
{
HRESULT hr = E_FAIL;
LPTSTR lpszLogDir = NULL;
__try
{
if( !lpszLogFileDir ){
lpszLogDir = new TCHAR[_MAX_PATH+1];
if( !lpszLogDir ) return E_OUTOFMEMORY;
_Module.GetEmDirectory( EMOBJ_LOGFILE, lpszLogDir, _MAX_PATH, NULL, NULL );
lpszLogFileDir = lpszLogDir;
}
_tcscpy(pEmObject->szSecName, lpszLogFileDir);
//qFileLogFileInfo:
if( lpszLogDir ) { delete [] lpszLogDir; lpszLogDir = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
if( lpszLogDir ) { delete [] lpszLogDir; lpszLogDir = NULL; }
_ASSERTE( false );
}
return hr;
}
HRESULT CEmManager::FillMsInfoFileInfo
(
LPCTSTR lpszMsInfoFileDir,
LPWIN32_FIND_DATA lpFindData,
EmObject *pEmObject
)
{
HRESULT hr = E_FAIL;
LPTSTR lpszMsInfoDir = NULL;
__try
{
if( !lpszMsInfoFileDir ){
lpszMsInfoDir = new TCHAR[_MAX_PATH+1];
if( !lpszMsInfoDir ) return E_OUTOFMEMORY;
_Module.GetEmDirectory( EMOBJ_MSINFO, lpszMsInfoDir, _MAX_PATH, NULL, NULL );
lpszMsInfoFileDir = lpszMsInfoDir;
}
_tcscpy(pEmObject->szSecName, lpszMsInfoFileDir);
//qFileLogFileInfo:
if( lpszMsInfoDir ) { delete [] lpszMsInfoDir; lpszMsInfoDir = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
if( lpszMsInfoDir ) { delete [] lpszMsInfoDir; lpszMsInfoDir = NULL; }
_ASSERTE( false );
}
return hr;
}
HRESULT CEmManager::FillDumpFileInfo
(
LPCTSTR lpszDumpFileDir,
LPWIN32_FIND_DATA lpFindData,
EmObject *pEmObject
)
{
HRESULT hr = E_FAIL;
LPTSTR lpszDumpDir = NULL;
__try
{
if( !lpszDumpFileDir ){
lpszDumpDir = new TCHAR[_MAX_PATH+1];
if( !lpszDumpDir ) return E_OUTOFMEMORY;
_Module.GetEmDirectory( EMOBJ_MINIDUMP, lpszDumpDir, _MAX_PATH, NULL, NULL );
lpszDumpFileDir = lpszDumpDir;
}
_tcscpy(pEmObject->szSecName, lpszDumpFileDir);
//qFileLogFileInfo:
if( lpszDumpDir ) { delete [] lpszDumpDir; lpszDumpDir = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
if( lpszDumpDir ) { delete [] lpszDumpDir; lpszDumpDir = NULL; }
_ASSERTE( false );
}
return hr;
}
//
// a-mando
//
HRESULT
CEmManager::EnumMsInfoFiles
(
OUT VARIANT *lpVariant,
IN LPCTSTR lpSearchString
)
{
ATLTRACE(_T("CEmManager::EnumMsInfoFiles\n"));
HRESULT hr = E_FAIL;
TCHAR szDirectory[_MAX_PATH];
TCHAR szExt[_MAX_EXT];
LPWIN32_FIND_DATA lpFindData = NULL;
LONG cFiles = 0;
__try {
if(lpSearchString == NULL) {
_Module.GetEmDirectory (
EMOBJ_MSINFO,
(LPTSTR)szDirectory,
sizeof szDirectory / sizeof ( TCHAR ),
(LPTSTR)szExt,
sizeof szExt / sizeof ( TCHAR )
);
}
else {
_tcscpy( szDirectory, lpSearchString );
_tcscpy( szExt, _T(""));
}
hr = EnumFiles (
szDirectory,
szExt,
&lpFindData,
&cFiles
);
if ( SUCCEEDED(hr) ) {
hr = PackageFilesToVariant (
EMOBJ_MSINFO,
lpFindData,
cFiles,
lpVariant
);
}
if( lpFindData ) { free( lpFindData ); lpFindData = NULL; }
}
__except ( EXCEPTION_EXECUTE_HANDLER, 1 ) {
hr = E_UNEXPECTED;
_ASSERTE( false );
}
return (hr);
}
// a-mando