Leaked source code of windows server 2003
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/****************************************************************************/
// mulogoff.c
//
// Copyright (C) 1997-1999 Microsoft Corp.
/****************************************************************************/
#ifdef _HYDRA_
/*****************************************************************************
*
* ProcessLogoff
*
* Do _HYDRA_ specific logoff processing
* Handle logoff processing still under the users profile.
*
* This is currently used to clean up auto created printers, but is
* designed for future logoff processing services, such as notifying
* a user global service controller to cancel per user services.
*
* ENTRY:
* Param1 (input/output)
* Comments
*
* EXIT:
* STATUS_SUCCESS - no error
*
****************************************************************************/
VOID
ProcessLogoff(
PTERMINAL pTerm
)
{
DWORD Error;
BOOLEAN Result;
DWORD RetVal;
PWSTR pszTok;
HANDLE hProcess, hThread;
TCHAR lpOldDir[MAX_PATH];
HANDLE uh;
PWSTR pchData;
PWINDOWSTATION pWS = pTerm->pWinStaWinlogon;
if( !pTerm->UserLoggedOn ) {
// Not logged on
return;
}
/*
* Notify the EXEC service that the user is
* logging off.
*/
CtxExecServerLogoff( pTerm );
/*
* See if there are logoff program(s) to run
*/
pchData = AllocAndGetPrivateProfileString(
APPLICATION_NAME,
LOGOFFAPP_KEY,
TEXT(""),
NULL
);
if( !pchData ) {
// No string
return;
}
//
// We must unlock the Window station to allow the
// new process to attach
//
UnlockWindowStation( pTerm->pWinStaWinlogon->hwinsta );
lpOldDir[0] = 0;
//
// Save the current directory, then set it to the user's profile
// (so that chgcdm can write there...even if C2 High security.
//
if (GetCurrentDirectory(MAX_PATH, lpOldDir)) {
if (pWS->UserProcessData.CurrentDirectory[0]) {
SetCurrentDirectory(pWS->UserProcessData.CurrentDirectory);
}
}
//
// Handle multiple commands, for MS additions
//
pszTok = wcstok(pchData, TEXT(","));
while (pszTok) {
if (*pszTok == TEXT(' '))
{
while (*pszTok++ == TEXT(' '))
;
}
Result = StartSystemProcess(
(LPTSTR)pszTok,
APPLICATION_DESKTOP_NAME,
HIGH_PRIORITY_CLASS | DETACHED_PROCESS,
STARTF_USESHOWWINDOW, // Startup Flags
NULL, // Environment
FALSE, // fSaveHandle
&hProcess,
&hThread
);
if( Result ) {
Error = WlxAssignShellProtection(
pTerm,
pTerm->pWinStaWinlogon->UserProcessData.UserToken,
hProcess,
hThread
);
if( Error == 0 ) {
// Wait for it to complete
RetVal = WaitForSingleObject( hProcess, LOGOFF_CMD_TIMEOUT );
if( RetVal != 0 ) {
//Logoff does not terminate process on timeout
DbgPrint("ProcessLogoff: Result %d, Error %d waiting for logoff command\n",RetVal,GetLastError());
}
CloseHandle(hThread);
CloseHandle( hProcess );
}
else {
// We do not run it unless its under user security
DbgPrint("ProcessLogoff: Error %d creating user protection\n",Error);
TerminateProcess( hProcess, 0 );
CloseHandle( hThread );
CloseHandle( hProcess );
}
}
else {
DbgPrint("ProcessLogoff: Could process logoff command %d\n",GetLastError());
}
pszTok = wcstok(NULL, TEXT(","));
}
Free( pchData );
//
// Restore the old directory
//
if (lpOldDir[0]) {
SetCurrentDirectory(lpOldDir);
}
//
// Relock the WindowStation
//
LockWindowStation( pTerm->pWinStaWinlogon->hwinsta );
return;
}
#endif