Source code of Windows XP (NT5)
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// *********************************************************************************
//
// Copyright (c) Microsoft Corporation
//
// Module Name:
//
// Init.cpp
//
// Abstract:
//
// This module implements the general initialization stuff
//
// Author:
//
// Sunil G.V.N. Murali ([email protected]) 26-Nov-2000
//
// Revision History:
//
// Sunil G.V.N. Murali ([email protected]) 26-Nov-2000 : Created It.
//
// *********************************************************************************
#include "pch.h"
#include "wmi.h"
#include "taskkill.h"
// ***************************************************************************
// Routine Description:
// CTaskKill contructor
//
// Arguments:
// NONE
//
// Return Value:
// NONE
//
// ***************************************************************************
CTaskKill::CTaskKill()
{
// init to defaults
m_arrFilters = NULL;
m_arrTasksToKill = NULL;
m_bUsage = FALSE;
m_bTree = FALSE;
m_bForce = FALSE;
m_dwCurrentPid = 0;
m_bNeedPassword = FALSE;
m_arrFiltersEx = NULL;
m_bNeedServicesInfo = FALSE;
m_bNeedUserContextInfo = FALSE;
m_bNeedModulesInfo = FALSE;
m_pfilterConfigs = NULL;
m_arrWindowTitles = NULL;
m_pWbemLocator = NULL;
m_pWbemServices = NULL;
m_pWbemEnumObjects = NULL;
m_pWbemTerminateInParams = NULL;
m_bIsHydra = FALSE;
m_hWinstaLib = NULL;
m_pProcessInfo = NULL;
m_ulNumberOfProcesses = 0;
m_bCloseConnection = FALSE;
m_dwServicesCount = 0;
m_pServicesInfo = NULL;
m_bUseRemote = FALSE;
m_pdb = NULL;
m_pfnWinStationFreeMemory = NULL;
m_pfnWinStationOpenServerW = NULL;
m_pfnWinStationCloseServer = NULL;
m_pfnWinStationFreeGAPMemory = NULL;
m_pfnWinStationGetAllProcesses = NULL;
m_pfnWinStationEnumerateProcesses = NULL;
m_arrRecord = NULL;
m_pAuthIdentity = NULL;
m_bTasksOptimized = FALSE;
m_bFiltersOptimized = FALSE;
m_hOutput = NULL;
}
// ***************************************************************************
// Routine Description:
// CTaskKill destructor
//
// Arguments:
// NONE
//
// Return Value:
// NONE
//
// ***************************************************************************
CTaskKill::~CTaskKill()
{
//
// de-allocate memory allocations
//
//
// destroy dynamic arrays
DESTROY_ARRAY( m_arrRecord );
DESTROY_ARRAY( m_arrFilters );
DESTROY_ARRAY( m_arrFiltersEx );
DESTROY_ARRAY( m_arrWindowTitles );
DESTROY_ARRAY( m_arrTasksToKill );
//
// memory ( with new operator )
RELEASE_MEMORY_EX( m_pfilterConfigs );
//
// release WMI / COM interfaces
SAFE_RELEASE( m_pWbemLocator );
SAFE_RELEASE( m_pWbemServices );
SAFE_RELEASE( m_pWbemEnumObjects );
SAFE_RELEASE( m_pWbemTerminateInParams );
// free the wmi authentication structure
WbemFreeAuthIdentity( &m_pAuthIdentity );
// if connection to the remote system opened with NET API has to be closed .. do it
if ( m_bCloseConnection == TRUE )
CloseConnection( m_strServer );
// free the memory allocated for services variables
__free( m_pServicesInfo );
// free the memory allocated for performance block
if ( m_pdb != NULL )
{
HeapFree( GetProcessHeap(), 0, m_pdb );
m_pdb = NULL;
}
//
// free winstation block
if ( m_bIsHydra == FALSE && m_pProcessInfo != NULL )
{
// free the GAP memory block
WinStationFreeGAPMemory( GAP_LEVEL_BASIC,
(PTS_ALL_PROCESSES_INFO) m_pProcessInfo, m_ulNumberOfProcesses );
// ...
m_pProcessInfo = NULL;
}
else if ( m_bIsHydra == TRUE && m_pProcessInfo != NULL )
{
// free the winsta memory block
WinStationFreeMemory( m_pProcessInfo );
m_pProcessInfo = NULL;
}
// free the library
if ( m_hWinstaLib != NULL )
{
FreeLibrary( m_hWinstaLib );
m_hWinstaLib = NULL;
m_pfnWinStationFreeMemory = NULL;
m_pfnWinStationOpenServerW = NULL;
m_pfnWinStationCloseServer = NULL;
m_pfnWinStationFreeGAPMemory = NULL;
m_pfnWinStationGetAllProcesses = NULL;
m_pfnWinStationEnumerateProcesses = NULL;
}
// uninitialize the com library
CoUninitialize();
}
// ***************************************************************************
// Routine Description:
// initialize the task list utility
//
// Arguments:
// NONE
//
// Return Value:
// TRUE : if filters are appropriately specified
// FALSE : if filters are errorneously specified
//
// ***************************************************************************
BOOL CTaskKill::Initialize()
{
//
// memory allocations
// if at all any occurs, we know that is 'coz of the
// failure in memory allocation ... so set the error
SetLastError( E_OUTOFMEMORY );
SaveLastError();
// get the current process id and save it
m_dwCurrentPid = GetCurrentProcessId();
// filters ( user supplied )
if ( m_arrFilters == NULL )
{
m_arrFilters = CreateDynamicArray();
if ( m_arrFilters == NULL )
return FALSE;
}
// tasks to be killed ( user supplied )
if ( m_arrTasksToKill == NULL )
{
m_arrTasksToKill = CreateDynamicArray();
if ( m_arrTasksToKill == NULL )
return FALSE;
}
// filters ( program generated parsed filters )
if ( m_arrFiltersEx == NULL )
{
m_arrFiltersEx = CreateDynamicArray();
if ( m_arrFiltersEx == NULL )
return FALSE;
}
// filters configuration info
if ( m_pfilterConfigs == NULL )
{
m_pfilterConfigs = new TFILTERCONFIG[ MAX_FILTERS ];
if ( m_pfilterConfigs == NULL )
return FALSE;
// init to ZERO's
ZeroMemory( m_pfilterConfigs, MAX_FILTERS * sizeof( TFILTERCONFIG ) );
}
// window titles
if ( m_arrWindowTitles == NULL )
{
m_arrWindowTitles = CreateDynamicArray();
if ( m_arrWindowTitles == NULL )
return FALSE;
}
// tasks
if ( m_arrRecord == NULL )
{
m_arrRecord = CreateDynamicArray();
if ( m_arrRecord == NULL )
return FALSE;
}
// initialize the COM library
if ( InitializeCom( &m_pWbemLocator ) == FALSE )
return FALSE;
//
// load the winsta library and needed functions
// NOTE: do not raise any error if loading of winsta dll fails
m_hWinstaLib = ::LoadLibrary( WINSTA_DLLNAME );
if ( m_hWinstaLib != NULL )
{
// library loaded successfully ... now load the addresses of functions
m_pfnWinStationFreeMemory = (FUNC_WinStationFreeMemory) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationFreeMemory );
m_pfnWinStationCloseServer = (FUNC_WinStationCloseServer) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationCloseServer );
m_pfnWinStationOpenServerW = (FUNC_WinStationOpenServerW) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationOpenServerW );
m_pfnWinStationFreeGAPMemory = (FUNC_WinStationFreeGAPMemory) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationFreeGAPMemory );
m_pfnWinStationGetAllProcesses = (FUNC_WinStationGetAllProcesses) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationGetAllProcesses );
m_pfnWinStationEnumerateProcesses = (FUNC_WinStationEnumerateProcesses) ::GetProcAddress( m_hWinstaLib, FUNCNAME_WinStationEnumerateProcesses );
// we will keep the library loaded in memory only if all the functions were loaded successfully
if ( m_pfnWinStationFreeMemory == NULL || m_pfnWinStationCloseServer == NULL ||
m_pfnWinStationOpenServerW == NULL || m_pfnWinStationFreeGAPMemory == NULL ||
m_pfnWinStationGetAllProcesses == NULL || m_pfnWinStationEnumerateProcesses == NULL )
{
// some (or) all of the functions were not loaded ... unload the library
FreeLibrary( m_hWinstaLib );
m_hWinstaLib = NULL;
m_pfnWinStationFreeMemory = NULL;
m_pfnWinStationOpenServerW = NULL;
m_pfnWinStationCloseServer = NULL;
m_pfnWinStationFreeGAPMemory = NULL;
m_pfnWinStationGetAllProcesses = NULL;
m_pfnWinStationEnumerateProcesses = NULL;
}
}
//
// init the console scree buffer structure to zero's
// and then get the console handle and screen buffer information
//
// prepare for status display.
// for this get a handle to the screen output buffer
// but this handle will be null if the output is being redirected. so do not check
// for the validity of the handle. instead try to get the console buffer information
// only in case you have a valid handle to the output screen buffer
ZeroMemory( &m_csbi, sizeof( CONSOLE_SCREEN_BUFFER_INFO ) );
m_hOutput = GetStdHandle( STD_ERROR_HANDLE );
if ( m_hOutput != NULL )
GetConsoleScreenBufferInfo( m_hOutput, &m_csbi );
// initialization is successful
SetLastError( NOERROR ); // clear the error
SetReason( NULL_STRING ); // clear the reason
return TRUE;
}
// ***************************************************************************
// Routine Description:
// Enables the debug privliges for the current process so that
// this utility can terminate the processes on local system without any problem
//
// Arguments:
// NONE
//
// Return Value:
// TRUE upon successfull and FALSE if failed
//
// ***************************************************************************
BOOL CTaskKill::EnableDebugPriv()
{
// local variables
LUID luidValue;
BOOL bResult = FALSE;
HANDLE hToken = NULL;
TOKEN_PRIVILEGES tkp;
// Retrieve a handle of the access token
bResult = OpenProcessToken( GetCurrentProcess(),
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken );
if ( bResult == FALSE )
{
// save the error messaage and return
SaveLastError();
return FALSE;
}
// Enable the SE_DEBUG_NAME privilege or disable
// all privileges, depends on this flag.
bResult = LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &luidValue );
if ( bResult == FALSE )
{
// save the error messaage and return
SaveLastError();
CloseHandle( hToken );
return FALSE;
}
// prepare the token privileges structure
tkp.PrivilegeCount = 1;
tkp.Privileges[ 0 ].Luid = luidValue;
tkp.Privileges[ 0 ].Attributes = SE_PRIVILEGE_ENABLED;
// now enable the debug privileges in the token
bResult = AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof( TOKEN_PRIVILEGES ),
( PTOKEN_PRIVILEGES ) NULL, ( PDWORD ) NULL );
if ( bResult == FALSE )
{
// The return value of AdjustTokenPrivileges be texted
SaveLastError();
CloseHandle( hToken );
return FALSE;
}
// close the opened handle object
CloseHandle( hToken );
// enabled ... inform success
return TRUE;
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
BOOLEAN CTaskKill::WinStationFreeMemory( PVOID pBuffer )
{
// check the buffer and act
if ( pBuffer == NULL )
return TRUE;
// check whether pointer exists or not
if ( m_pfnWinStationFreeMemory == NULL )
return FALSE;
// call and return the same
return ((FUNC_WinStationFreeMemory) m_pfnWinStationFreeMemory)( pBuffer );
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
BOOLEAN CTaskKill::WinStationCloseServer( HANDLE hServer )
{
// check the input
if ( hServer == NULL )
return TRUE;
// check whether the function pointer exists or not
if ( m_pfnWinStationCloseServer == NULL )
return FALSE;
// call and return
return ((FUNC_WinStationCloseServer) m_pfnWinStationCloseServer)( hServer );
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
HANDLE CTaskKill::WinStationOpenServerW( LPWSTR pwszServerName )
{
// check the input & also check whether function pointer exists or not
if ( pwszServerName == NULL || m_pfnWinStationOpenServerW == NULL )
return NULL;
// call and return
return ((FUNC_WinStationOpenServerW) m_pfnWinStationOpenServerW)( pwszServerName );
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
BOOLEAN CTaskKill::WinStationEnumerateProcesses( HANDLE hServer, PVOID* ppProcessBuffer )
{
// check the input and also check whether function pointer exists or not
if ( ppProcessBuffer == NULL || m_pfnWinStationEnumerateProcesses == NULL )
return FALSE;
// call and return
return ((FUNC_WinStationEnumerateProcesses)
m_pfnWinStationEnumerateProcesses)( hServer, ppProcessBuffer );
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
BOOLEAN CTaskKill::WinStationFreeGAPMemory( ULONG ulLevel, PVOID pProcessArray, ULONG ulCount )
{
// check the input
if ( pProcessArray == NULL )
return TRUE;
// check whether function pointer exists or not
if ( m_pfnWinStationFreeGAPMemory == NULL )
return FALSE;
// call and return
return ((FUNC_WinStationFreeGAPMemory)
m_pfnWinStationFreeGAPMemory)( ulLevel, pProcessArray, ulCount );
}
// ***************************************************************************
// Routine Description:
//
// Arguments:
//
// Return Value:
//
// ***************************************************************************
BOOLEAN CTaskKill::WinStationGetAllProcesses( HANDLE hServer, ULONG ulLevel,
ULONG* pNumberOfProcesses, PVOID* ppProcessArray )
{
// check the input & check whether function pointer exists or not
if (pNumberOfProcesses == NULL || ppProcessArray == NULL || m_pfnWinStationGetAllProcesses == NULL)
return FALSE;
return ((FUNC_WinStationGetAllProcesses)
m_pfnWinStationGetAllProcesses)( hServer, ulLevel, pNumberOfProcesses, ppProcessArray );
}