760 lines
20 KiB
C++
760 lines
20 KiB
C++
// *********************************************************************************
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//
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// Copyright (c) Microsoft Corporation
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//
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// Module Name:
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//
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// Init.cpp
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//
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// Abstract:
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//
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// This module implements the general initialization stuff
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//
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// Author:
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//
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// Sunil G.V.N. Murali (murali.sunil@wipro.com) 24-Nov-2000
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//
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// Revision History:
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//
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// Sunil G.V.N. Murali (murali.sunil@wipro.com) 24-Nov-2000 : Created It.
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//
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// *********************************************************************************
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#include "pch.h"
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#include "wmi.h"
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#include "tasklist.h"
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//
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// macros
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//
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#define RELEASE_MEMORY( block ) \
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if ( NULL != (block) ) \
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{ \
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FreeMemory( (LPVOID * )&block ); \
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(block) = NULL; \
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} \
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1
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#define DESTROY_ARRAY( array ) \
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if ( (array) != NULL ) \
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{ \
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DestroyDynamicArray( &(array) ); \
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(array) = NULL; \
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} \
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1
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CTaskList::CTaskList()
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/*++
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Routine Description:
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CTaskList contructor
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Arguments:
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NONE
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Return Value:
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NONE
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--*/
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{
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// init to defaults
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m_pWbemLocator = NULL;
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m_pEnumObjects = NULL;
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m_pWbemServices = NULL;
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m_pAuthIdentity = NULL;
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m_bVerbose = FALSE;
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m_bAllServices = FALSE;
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m_bAllModules = FALSE;
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m_dwFormat = 0;
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m_arrFilters = NULL;
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m_bNeedPassword = FALSE;
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m_bNeedModulesInfo = FALSE;
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m_bNeedServicesInfo = FALSE;
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m_bNeedWindowTitles = FALSE;
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m_bNeedUserContextInfo = FALSE;
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m_bLocalSystem = FALSE;
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m_pColumns = NULL;
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m_arrFiltersEx = NULL;
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m_arrWindowTitles = NULL;
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m_pfilterConfigs = NULL;
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m_dwGroupSep = 0;
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m_arrTasks = NULL;
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m_dwProcessId = 0;
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m_bIsHydra = FALSE;
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m_hServer = NULL;
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m_hWinstaLib = NULL;
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m_pProcessInfo = NULL;
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m_ulNumberOfProcesses = 0;
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m_bCloseConnection = FALSE;
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m_dwServicesCount = 0;
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m_pServicesInfo = NULL;
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m_pdb = NULL;
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m_bUseRemote = FALSE;
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m_pfnWinStationFreeMemory = NULL;
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m_pfnWinStationOpenServerW = NULL;
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m_pfnWinStationCloseServer = NULL;
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m_pfnWinStationFreeGAPMemory = NULL;
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m_pfnWinStationGetAllProcesses = NULL;
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m_pfnWinStationNameFromLogonIdW = NULL;
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m_pfnWinStationEnumerateProcesses = NULL;
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m_bUsage = FALSE;
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m_bLocalSystem = TRUE;
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m_bRemoteWarning = FALSE;
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}
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CTaskList::~CTaskList()
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/*++
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Routine Description:
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CTaskList destructor
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Arguments:
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NONE
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Return Value:
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NONE
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--*/
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{
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//
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// de-allocate memory allocations
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//
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//
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// destroy dynamic arrays
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DESTROY_ARRAY( m_arrTasks );
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DESTROY_ARRAY( m_arrFilters );
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DESTROY_ARRAY( m_arrFiltersEx );
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DESTROY_ARRAY( m_arrWindowTitles );
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//
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// memory ( with new operator )
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// NOTE: should not free m_pszWindowStation and m_pszDesktop
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RELEASE_MEMORY( m_pColumns );
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RELEASE_MEMORY( m_pfilterConfigs );
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//
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// release WMI / COM interfaces
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SAFE_RELEASE( m_pWbemLocator );
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SAFE_RELEASE( m_pWbemServices );
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SAFE_RELEASE( m_pEnumObjects );
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// free authentication identity structure
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// release the existing auth identity structure
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WbemFreeAuthIdentity( &m_pAuthIdentity );
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// close the connection to the remote machine
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if ( TRUE == m_bCloseConnection )
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{
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CloseConnection( m_strUNCServer );
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}
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// free the memory allocated for services variables
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FreeMemory( (LPVOID * )&m_pServicesInfo );
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// free the memory allocated for performance block
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FreeMemory( (LPVOID * )&m_pdb );
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//
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// free winstation block
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if ( ( FALSE == m_bIsHydra ) &&
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( NULL != m_pProcessInfo ) )
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{
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// free the GAP memory block
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WinStationFreeGAPMemory( GAP_LEVEL_BASIC,
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(PTS_ALL_PROCESSES_INFO) m_pProcessInfo, m_ulNumberOfProcesses );
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// ...
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m_pProcessInfo = NULL;
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}
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else
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{
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if ( ( TRUE == m_bIsHydra ) &&
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( NULL != m_pProcessInfo ) )
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{
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// free the winsta memory block
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WinStationFreeMemory( m_pProcessInfo );
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m_pProcessInfo = NULL;
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}
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}
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// close the connection window station if needed
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if ( NULL != m_hServer )
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{
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WinStationCloseServer( m_hServer );
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}
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// free the library
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if ( NULL != m_hWinstaLib )
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{
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FreeLibrary( m_hWinstaLib );
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m_hWinstaLib = NULL;
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m_pfnWinStationFreeMemory = NULL;
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m_pfnWinStationOpenServerW = NULL;
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m_pfnWinStationCloseServer = NULL;
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m_pfnWinStationFreeGAPMemory = NULL;
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m_pfnWinStationGetAllProcesses = NULL;
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m_pfnWinStationEnumerateProcesses = NULL;
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}
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// un-initialize the COM library
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CoUninitialize();
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}
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BOOL
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CTaskList::Initialize(
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void
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)
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/*++
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Routine Description:
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initialize the task list utility
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Arguments:
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NONE
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Return Value:
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TRUE : if filters are appropriately specified
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FALSE : if filters are errorneously specified
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--*/
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{
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// local variables
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CHString str;
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LONG lTemp = 0;
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//
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// memory allocations
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// if at all any occurs, we know that is 'coz of the
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// failure in memory allocation ... so set the error
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SetLastError( (DWORD)E_OUTOFMEMORY );
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SaveLastError();
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// filters ( user supplied )
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if ( NULL == m_arrFilters )
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{
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m_arrFilters = CreateDynamicArray();
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if ( NULL == m_arrFilters )
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{
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return FALSE;
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}
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}
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// filters ( program generated parsed filters )
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if ( NULL == m_arrFiltersEx )
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{
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m_arrFiltersEx = CreateDynamicArray();
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if ( NULL == m_arrFiltersEx )
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{
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return FALSE;
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}
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}
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// columns configuration info
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if ( NULL == m_pColumns )
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{
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m_pColumns = ( TCOLUMNS * )AllocateMemory( sizeof( TCOLUMNS ) * MAX_COLUMNS );
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if ( NULL == m_pColumns )
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{
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return FALSE;
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}
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// init to ZERO's
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SecureZeroMemory( m_pColumns, MAX_COLUMNS * sizeof( TCOLUMNS ) );
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}
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// filters configuration info
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if ( NULL == m_pfilterConfigs )
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{
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m_pfilterConfigs = ( TFILTERCONFIG * )AllocateMemory( sizeof( TFILTERCONFIG ) * MAX_FILTERS );
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if ( NULL == m_pfilterConfigs )
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{
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return FALSE;
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}
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// init to ZERO's
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SecureZeroMemory( m_pfilterConfigs, MAX_FILTERS * sizeof( TFILTERCONFIG ) );
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}
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// window titles
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if ( NULL == m_arrWindowTitles )
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{
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m_arrWindowTitles = CreateDynamicArray();
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if ( NULL == m_arrWindowTitles )
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{
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return FALSE;
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}
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}
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// tasks
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if ( NULL == m_arrTasks )
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{
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m_arrTasks = CreateDynamicArray();
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if ( NULL == m_arrTasks )
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{
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return FALSE;
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}
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}
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// initialize the COM library
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if ( FALSE == InitializeCom( &m_pWbemLocator ) )
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{
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return FALSE;
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}
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//
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// get the locale specific information
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//
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try
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{
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// sub-local variables
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LPWSTR pwszTemp = NULL;
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//
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// get the time seperator character
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_STIME, NULL, 0 );
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if ( 0 == lTemp )
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{
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// set the default seperator
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pwszTemp = m_strTimeSep.GetBufferSetLength( 2 );
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SecureZeroMemory( pwszTemp, 2 * sizeof( WCHAR ) );
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StringCopy( pwszTemp, _T( ":" ), 2 );
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}
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else
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{
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// get the time field seperator
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pwszTemp = m_strTimeSep.GetBufferSetLength( lTemp + 2 );
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SecureZeroMemory( pwszTemp, ( lTemp + 2 ) * sizeof( WCHAR ) );
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_STIME, pwszTemp, lTemp );
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if( 0 == lTemp )
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{
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return FALSE;
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}
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}
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//
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// get the group seperator character
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_SGROUPING, NULL, 0 );
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if ( 0 == lTemp )
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{
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// we don't know how to resolve this
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return FALSE;
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}
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else
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{
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// get the group seperation character
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pwszTemp = str.GetBufferSetLength( lTemp + 2 );
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SecureZeroMemory( pwszTemp, ( lTemp + 2 ) * sizeof( WCHAR ) );
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_SGROUPING, pwszTemp, lTemp );
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if ( 0 == lTemp )
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{
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// we don't know how to resolve this
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return FALSE;
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}
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// change the group info into appropriate number
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lTemp = 0;
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m_dwGroupSep = 0;
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while ( lTemp < str.GetLength() )
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{
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if ( AsLong( str.Mid( lTemp, 1 ), 10 ) != 0 )
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{
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m_dwGroupSep = m_dwGroupSep * 10 + AsLong( str.Mid( lTemp, 1 ), 10 );
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}
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// increment by 2
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lTemp += 2;
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}
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}
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//
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// get the thousand seperator character
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, NULL, 0 );
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if ( 0 == lTemp )
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{
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// we don't know how to resolve this
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return FALSE;
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}
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else
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{
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// get the thousand sepeartion charactor
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pwszTemp = m_strGroupThousSep.GetBufferSetLength( lTemp + 2 );
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SecureZeroMemory( pwszTemp, ( lTemp + 2 ) * sizeof( WCHAR ) );
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lTemp = GetLocaleInfo( LOCALE_USER_DEFAULT, LOCALE_STHOUSAND, pwszTemp, lTemp );
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if ( 0 == lTemp )
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{
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// we don't know how to resolve this
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return FALSE;
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}
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}
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// release the CHStrig buffers
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str.ReleaseBuffer();
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m_strTimeSep.ReleaseBuffer();
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m_strGroupThousSep.ReleaseBuffer();
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}
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catch( CHeap_Exception )
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{
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// out of memory
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return FALSE;
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}
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//
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// load the winsta library and needed functions
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// NOTE: do not raise any error if loading of winsta dll fails
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{ // Local variabels should be destroyed inside this block.
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// +1 is for terminating NULL character.
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LPWSTR lpszSystemPath = NULL;
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DWORD dwLength = MAX_PATH + 1;
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DWORD dwExpectedLength = 0;
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DWORD dwActualBufLen = 0;
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do
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{
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dwActualBufLen = dwLength + 5 + StringLength( WINSTA_DLLNAME, 0 );
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// Length of 'System32' + Length of '\' + Length of 'WINSTA_DLLNAME' + Length of '\0'.
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// 3 WCHARS are extra, to be on safer side.
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lpszSystemPath = (LPWSTR) AllocateMemory( dwActualBufLen * sizeof( WCHAR ) );
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if( NULL == lpszSystemPath )
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{ // Out of memory.
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m_hWinstaLib = NULL;
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break;
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}
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dwExpectedLength = GetSystemDirectory( lpszSystemPath, dwLength );
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if( ( 0 != dwExpectedLength ) ||
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( dwLength > dwExpectedLength ) )
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{ // Successful
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StringConcat( lpszSystemPath, L"\\", dwActualBufLen );
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StringConcat( lpszSystemPath, WINSTA_DLLNAME, dwActualBufLen );
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m_hWinstaLib = ::LoadLibrary( lpszSystemPath );
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FreeMemory( (LPVOID * )&lpszSystemPath );
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break;
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}
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FreeMemory( (LPVOID * )&lpszSystemPath );
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m_hWinstaLib = NULL;
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// +1 is for terminating NULL character.
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dwLength = dwExpectedLength + 1;
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}while( 0 != dwExpectedLength );
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}
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if ( NULL != m_hWinstaLib )
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{
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// library loaded successfully ... now load the addresses of functions
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m_pfnWinStationFreeMemory = (FUNC_WinStationFreeMemory) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationFreeMemory );
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m_pfnWinStationCloseServer = (FUNC_WinStationCloseServer) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationCloseServer );
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m_pfnWinStationOpenServerW = (FUNC_WinStationOpenServerW) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationOpenServerW );
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m_pfnWinStationFreeGAPMemory = (FUNC_WinStationFreeGAPMemory) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationFreeGAPMemory );
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m_pfnWinStationGetAllProcesses = (FUNC_WinStationGetAllProcesses) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationGetAllProcesses );
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m_pfnWinStationNameFromLogonIdW = (FUNC_WinStationNameFromLogonIdW) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationNameFromLogonIdW );
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m_pfnWinStationEnumerateProcesses = (FUNC_WinStationEnumerateProcesses) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationEnumerateProcesses );
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// we will keep the library loaded in memory only if all the functions were loaded successfully
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if ( ( NULL == m_pfnWinStationFreeMemory ) ||
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( NULL == m_pfnWinStationCloseServer ) ||
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( NULL == m_pfnWinStationOpenServerW ) ||
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( NULL == m_pfnWinStationFreeGAPMemory ) ||
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( NULL == m_pfnWinStationGetAllProcesses ) ||
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( NULL == m_pfnWinStationEnumerateProcesses ) ||
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( NULL == m_pfnWinStationNameFromLogonIdW ) )
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{
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// some (or) all of the functions were not loaded ... unload the library
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FreeLibrary( m_hWinstaLib );
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m_hWinstaLib = NULL;
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m_pfnWinStationFreeMemory = NULL;
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m_pfnWinStationOpenServerW = NULL;
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m_pfnWinStationCloseServer = NULL;
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m_pfnWinStationFreeGAPMemory = NULL;
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m_pfnWinStationGetAllProcesses = NULL;
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m_pfnWinStationNameFromLogonIdW = NULL;
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m_pfnWinStationEnumerateProcesses = NULL;
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}
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}
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// enable debug privelages
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EnableDebugPriv();
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// initialization is successful
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SetLastError( NOERROR ); // clear the error
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SetReason( NULL_STRING ); // clear the reason
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return TRUE;
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}
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BOOL
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CTaskList::EnableDebugPriv(
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void
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)
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/*++
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Routine Description:
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Enables the debug privliges for the current process so that
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this utility can terminate the processes on local system without any problem
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Arguments:
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NONE
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Return Value:
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TRUE upon successfull and FALSE if failed
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--*/
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{
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// local variables
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LUID luidValue ;
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BOOL bResult = FALSE;
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HANDLE hToken = NULL;
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TOKEN_PRIVILEGES tkp;
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SecureZeroMemory( &luidValue, sizeof( LUID ) );
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SecureZeroMemory( &tkp, sizeof( TOKEN_PRIVILEGES ) );
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// Retrieve a handle of the access token
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bResult = OpenProcessToken( GetCurrentProcess(),
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TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken );
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if ( FALSE == bResult )
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{
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// save the error messaage and return
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SaveLastError();
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return FALSE;
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}
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// Enable the SE_DEBUG_NAME privilege or disable
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// all privileges, depends on this flag.
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bResult = LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &luidValue );
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if ( FALSE == bResult )
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{
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// save the error messaage and return
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SaveLastError();
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CloseHandle( hToken );
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return FALSE;
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}
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// prepare the token privileges structure
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tkp.PrivilegeCount = 1;
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tkp.Privileges[ 0 ].Luid = luidValue;
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tkp.Privileges[ 0 ].Attributes = SE_PRIVILEGE_ENABLED;
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// now enable the debug privileges in the token
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bResult = AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof( TOKEN_PRIVILEGES ),
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( PTOKEN_PRIVILEGES ) NULL, ( PDWORD ) NULL );
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if ( FALSE == bResult )
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{
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// The return value of AdjustTokenPrivileges be texted
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SaveLastError();
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CloseHandle( hToken );
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return FALSE;
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}
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// close the opened token handle
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CloseHandle( hToken );
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// enabled ... inform success
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return TRUE;
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}
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BOOLEAN
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CTaskList::WinStationFreeMemory(
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IN PVOID pBuffer
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)
|
|
/*++
|
|
Routine Description:
|
|
Free memory.
|
|
|
|
Arguments:
|
|
[in] pBuffer : Cotains memory location to free.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the buffer and act
|
|
if ( NULL == pBuffer )
|
|
{
|
|
return TRUE;
|
|
}
|
|
// check whether pointer exists or not
|
|
if ( NULL == m_pfnWinStationFreeMemory )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// call and return the same
|
|
return ((FUNC_WinStationFreeMemory) m_pfnWinStationFreeMemory)( pBuffer );
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
CTaskList::WinStationCloseServer(
|
|
IN HANDLE hServer
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Handle to window station is closed.
|
|
|
|
Arguments:
|
|
[in] hServer : Handle to window station.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the input
|
|
if ( NULL == hServer )
|
|
{
|
|
return TRUE;
|
|
}
|
|
// check whether the function pointer exists or not
|
|
if ( NULL == m_pfnWinStationCloseServer )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// call and return
|
|
return ((FUNC_WinStationCloseServer) m_pfnWinStationCloseServer)( hServer );
|
|
}
|
|
|
|
|
|
HANDLE
|
|
CTaskList::WinStationOpenServerW(
|
|
IN LPWSTR pwszServerName
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Retrieves a handle to an window station on a system.
|
|
|
|
Arguments:
|
|
[in] pwszServerName : System name from where to retrieve window station handle.
|
|
|
|
Return Value:
|
|
Valid handle is returned if successful else NULL is returned.
|
|
--*/
|
|
{
|
|
// check the input & also check whether function pointer exists or not
|
|
if ( ( NULL == pwszServerName ) ||
|
|
( NULL == m_pfnWinStationOpenServerW ) )
|
|
{
|
|
return NULL;
|
|
}
|
|
// call and return
|
|
return ((FUNC_WinStationOpenServerW) m_pfnWinStationOpenServerW)( pwszServerName );
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
CTaskList::WinStationEnumerateProcesses(
|
|
IN HANDLE hServer,
|
|
OUT PVOID* ppProcessBuffer
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Retrieves process running on a system.
|
|
|
|
Arguments:
|
|
[in] hServer : Cotains handle to window station.
|
|
[ out ] ppProcessBuffer : Contains process infomration on remote system.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the input and also check whether function pointer exists or not
|
|
if ( ( NULL == ppProcessBuffer ) ||
|
|
( NULL == m_pfnWinStationEnumerateProcesses ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// call and return
|
|
return ((FUNC_WinStationEnumerateProcesses)
|
|
m_pfnWinStationEnumerateProcesses)( hServer, ppProcessBuffer );
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
CTaskList::WinStationFreeGAPMemory(
|
|
IN ULONG ulLevel,
|
|
IN PVOID pProcessArray,
|
|
IN ULONG ulCount
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Free gap memory block.
|
|
|
|
Arguments:
|
|
[in] ulLevel : Contains information level of data.
|
|
[ in ] pProcessArray : Contains data to be freed.
|
|
[ in ] ulCount : Contains number of blocks to be freed.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the input
|
|
if ( NULL == pProcessArray )
|
|
{
|
|
return TRUE;
|
|
}
|
|
// check whether function pointer exists or not
|
|
if ( NULL == m_pfnWinStationFreeGAPMemory )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// call and return
|
|
return ((FUNC_WinStationFreeGAPMemory)
|
|
m_pfnWinStationFreeGAPMemory)( ulLevel, pProcessArray, ulCount );
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
CTaskList::WinStationGetAllProcesses(
|
|
IN HANDLE hServer,
|
|
IN ULONG ulLevel,
|
|
OUT ULONG* pNumberOfProcesses,
|
|
OUT PVOID* ppProcessArray
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Retrieves process information running on a system.
|
|
|
|
Arguments:
|
|
[in] hServer : Cotains handle to window station.
|
|
[ in ] ulLevel : Contains information level of data.
|
|
[ out ] pNumberOfProcesses : Contains number of process retrieved.
|
|
[ out ] ppProcessArray : Contains process realted infomration.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the input & check whether function pointer exists or not
|
|
if ( ( NULL == pNumberOfProcesses ) ||
|
|
( NULL == ppProcessArray ) ||
|
|
( NULL == m_pfnWinStationGetAllProcesses ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
return ((FUNC_WinStationGetAllProcesses)
|
|
m_pfnWinStationGetAllProcesses)( hServer, ulLevel, pNumberOfProcesses, ppProcessArray );
|
|
}
|
|
|
|
|
|
BOOLEAN
|
|
CTaskList::WinStationNameFromLogonIdW(
|
|
IN HANDLE hServer,
|
|
IN ULONG ulLogonId,
|
|
OUT LPWSTR pwszWinStationName
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Free memory.
|
|
|
|
Arguments:
|
|
[in] hServer : Cotains handle to window station.
|
|
[in] ulLogonId : Contains logon ID.
|
|
[out] pwszWinStationName : Contains window station name.
|
|
|
|
Return Value:
|
|
TRUE if successful else FALSE is returned.
|
|
--*/
|
|
{
|
|
// check the input & check whether function pointer exists or not
|
|
if( ( NULL == pwszWinStationName ) ||
|
|
( NULL == m_pfnWinStationNameFromLogonIdW ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return ((FUNC_WinStationNameFromLogonIdW)
|
|
m_pfnWinStationNameFromLogonIdW)( hServer, ulLogonId, pwszWinStationName );
|
|
}
|