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1210 lines
39 KiB
1210 lines
39 KiB
// *********************************************************************************
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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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// parse.cpp
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//
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// Abstract:
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//
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// This module implements the command-line parsing and validating the filters
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//
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// Author:
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//
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// Sunil G.V.N. Murali ([email protected]) 26-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 ([email protected]) 26-Nov-2000 : Created It.
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//
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// *********************************************************************************
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#include "pch.h"
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#include "taskkill.h"
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#define MAX_OPERATOR_STRING 101
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#define MAX_FILTER_PROP_STRING 256
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//
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// local function prototypes
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//
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BOOL TimeFieldsToElapsedTime( LPCWSTR pwszTime, LPCWSTR pwszToken, ULONG& ulElapsedTime );
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DWORD FilterMemUsage( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
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LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow );
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DWORD FilterCPUTime( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
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LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow );
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DWORD FilterUserName( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
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LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow );
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DWORD FilterProcessId( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
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LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow );
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BOOL
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CTaskKill::ProcessOptions(
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IN DWORD argc,
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IN LPCWSTR argv[]
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)
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/*++
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Routine Description:
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processes and validates the command line inputs
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Arguments:
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[ in ] argc : no. of input arguments specified
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[ in ] argv : input arguments specified at command prompt
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Return Value:
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TRUE : if inputs are valid
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FALSE : if inputs were errorneously specified
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--*/
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{
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// local variables
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BOOL bResult = FALSE;
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PTCMDPARSER2 pcmdOptions = NULL;
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// temporary local variables
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PTCMDPARSER2 pOption = NULL;
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PTCMDPARSER2 pOptionServer = NULL;
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PTCMDPARSER2 pOptionUserName = NULL;
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PTCMDPARSER2 pOptionPassword = NULL;
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//
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// prepare the command options
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pcmdOptions = ( TCMDPARSER2 * ) AllocateMemory( sizeof( TCMDPARSER2 ) * MAX_OPTIONS );
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if ( NULL == pcmdOptions )
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{
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SetLastError( ( DWORD )E_OUTOFMEMORY );
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SaveLastError();
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return FALSE;
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}
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// ...
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SecureZeroMemory( pcmdOptions, MAX_OPTIONS * sizeof( TCMDPARSER2 ) );
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// -?
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pOption = pcmdOptions + OI_USAGE;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_BOOLEAN;
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pOption->pwszOptions = OPTION_USAGE;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_USAGE;
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pOption->pValue = &m_bUsage;
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pOption->dwLength = 0;
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// -s
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pOption = pcmdOptions + OI_SERVER;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_SERVER;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_ALLOCMEMORY | CP2_VALUE_TRIMINPUT | CP2_VALUE_NONULL;
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pOption->pValue = NULL;
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pOption->dwLength = 0;
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// -u
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pOption = pcmdOptions + OI_USERNAME;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_USERNAME;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_ALLOCMEMORY | CP2_VALUE_TRIMINPUT | CP2_VALUE_NONULL;
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pOption->pValue = NULL;
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pOption->dwLength = 0;
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// -p
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pOption = pcmdOptions + OI_PASSWORD;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_PASSWORD;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_ALLOCMEMORY | CP2_VALUE_OPTIONAL;
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pOption->pValue = NULL;
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pOption->dwLength = 0;
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// -f
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pOption = pcmdOptions + OI_FORCE;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_BOOLEAN;
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pOption->pwszOptions = OPTION_FORCE;
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pOption->pwszValues = NULL;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = 0;
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pOption->pValue = &m_bForce;
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pOption->dwLength = 0;
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// -tr
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pOption = pcmdOptions + OI_TREE;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_BOOLEAN;
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pOption->pwszOptions = OPTION_TREE;
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pOption->pwszValues = NULL;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = 0;
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pOption->pValue = &m_bTree;
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pOption->dwLength = 0;
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// -fi
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pOption = pcmdOptions + OI_FILTER;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_FILTER;
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pOption->dwCount = 0;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_MODE_ARRAY | CP2_VALUE_NODUPLICATES | CP2_VALUE_TRIMINPUT | CP2_VALUE_NONULL;
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pOption->pValue = &m_arrFilters;
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pOption->dwLength = 0;
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// -pid
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pOption = pcmdOptions + OI_PID;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_PID;
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pOption->dwCount = 0;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_MODE_ARRAY | CP_VALUE_MANDATORY | CP2_VALUE_NODUPLICATES;
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pOption->pValue = &m_arrTasksToKill;
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pOption->dwLength = 0;
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// -im
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pOption = pcmdOptions + OI_IMAGENAME;
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StringCopyA( pOption->szSignature, "PARSER2\0", 8 );
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pOption->dwType = CP_TYPE_TEXT;
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pOption->pwszOptions = OPTION_IMAGENAME;
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pOption->dwCount = 0;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP2_MODE_ARRAY | CP_VALUE_MANDATORY | CP2_VALUE_NODUPLICATES;
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pOption->pValue = &m_arrTasksToKill;
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pOption->dwLength = 0;
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//
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// do the parsing
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bResult = DoParseParam2( argc, argv, -1, MAX_OPTIONS, pcmdOptions, 0 );
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// now check the result of parsing and decide
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if ( bResult == FALSE )
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{
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FreeMemory( ( LPVOID * ) &pcmdOptions ); // clear memory
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return FALSE; // invalid syntax
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}
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//
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// now, check the mutually exclusive options
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pOptionServer = pcmdOptions + OI_SERVER;
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pOptionUserName = pcmdOptions + OI_USERNAME;
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pOptionPassword = pcmdOptions + OI_PASSWORD;
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try
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{
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// release the buffers
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m_strServer = (LPWSTR)pOptionServer->pValue;
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m_strUserName = (LPWSTR)pOptionUserName->pValue;
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m_strPassword = (LPWSTR)pOptionPassword->pValue;
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if( NULL == (LPWSTR)pOptionPassword->pValue )
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{
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m_strPassword = L"*";
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}
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FreeMemory( &pOptionServer->pValue );
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FreeMemory( &pOptionUserName->pValue );
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FreeMemory( &pOptionPassword->pValue );
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// check the usage option
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if ( TRUE == m_bUsage )
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{ // -? is specified.
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if( 2 < argc )
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{
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// no other options are accepted along with -? option
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FreeMemory( ( LPVOID * ) &pcmdOptions ); // clear memory
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SetLastError( ( DWORD )MK_E_SYNTAX );
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SetReason( ERROR_INVALID_USAGE_REQUEST );
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return FALSE;
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}
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else
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{
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// should not do the furthur validations
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FreeMemory( (LPVOID * )&pcmdOptions ); // clear the cmd parser config info
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return TRUE;
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}
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}
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// Without -s, -u and -p should not be specified.
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// With -s, -u can be specified, but without -u, -p should not be specified.
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if( 0 != pOptionServer->dwActuals )
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{
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if( ( 0 == pOptionUserName->dwActuals ) && ( 0 != pOptionPassword->dwActuals ) )
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{
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// invalid syntax
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SetReason( ERROR_PASSWORD_BUT_NOUSERNAME );
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FreeMemory( (LPVOID * )&pcmdOptions ); // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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}
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else
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{ // -s is not specified.
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if( 0 != pOptionUserName->dwActuals )
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{ // -u without -s.
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// invalid syntax
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SetReason( ERROR_USERNAME_BUT_NOMACHINE );
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FreeMemory( (LPVOID * )&pcmdOptions ); // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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else
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{ // -p without -s.
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if( 0 != pOptionPassword->dwActuals )
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{
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// invalid syntax
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SetReason( ERROR_PASSWORD_BUT_NOUSERNAME );
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FreeMemory( (LPVOID * )&pcmdOptions ); // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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}
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}
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// check whether caller should accept the password or not
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// if user has specified -s (or) -u and no "-p", then utility should accept password
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// the user will be prompter for the password only if establish connection
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// is failed without the credentials information
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if ( 0 != pOptionPassword->dwActuals)
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{
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if( 0 == m_strPassword.Compare( L"*" ) )
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{
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// user wants the utility to prompt for the password before trying to connect
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m_bNeedPassword = TRUE;
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}
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else
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{
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if( NULL == (LPCWSTR)m_strPassword )
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{
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m_strPassword = L"*";
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// user wants the utility to prompt for the password before trying to connect
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m_bNeedPassword = TRUE;
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}
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}
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}
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else
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{
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// utility needs to try to connect first and if it fails then prompt for the password
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m_bNeedPassword = TRUE;
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m_strPassword.Empty();
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}
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// either -pid (or) -im are allowed but not both
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if ( (pcmdOptions + OI_PID)->dwActuals != 0 && (pcmdOptions + OI_IMAGENAME)->dwActuals != 0 )
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{
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// invalid syntax
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SetReason( ERROR_PID_OR_IM_ONLY );
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FreeMemory( ( LPVOID * )&pcmdOptions ); // clear memory
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return FALSE; // indicate failure
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}
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else if ( DynArrayGetCount( m_arrTasksToKill ) == 0 )
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{
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// tasks were not specified .. but user might have specified filters
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// check that and if user didn't filters error
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if ( DynArrayGetCount( m_arrFilters ) == 0 )
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{
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// invalid syntax
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SetReason( ERROR_NO_PID_AND_IM );
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FreeMemory( ( LPVOID * )&pcmdOptions ); // clear memory
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return FALSE; // indicate failure
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}
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// user specified filters ... add '*' to the list of task to kill
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DynArrayAppendString( m_arrTasksToKill, L"*", 0 );
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}
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// check if '*' is specified along with the filters or not
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// if not specified along with the filters, error
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if ( DynArrayGetCount( m_arrFilters ) == 0 )
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{
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// filters were not specified .. so '*' should not be specified
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LONG lIndex = 0;
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lIndex = DynArrayFindString( m_arrTasksToKill, L"*", TRUE, 0 );
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if ( lIndex != -1 )
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{
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// error ... '*' is specified even if filters were not specified
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SetReason( ERROR_WILDCARD_WITHOUT_FILTERS );
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FreeMemory( ( LPVOID * )&pcmdOptions ); // clear memory
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return FALSE;
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}
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}
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}
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catch( CHeap_Exception )
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{
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SetLastError( ( DWORD )E_OUTOFMEMORY );
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SaveLastError();
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FreeMemory( ( LPVOID * ) &pcmdOptions );
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return FALSE;
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}
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// command-line parsing is successfull
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FreeMemory( ( LPVOID * )&pcmdOptions ); // clear memory
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return TRUE;
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}
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BOOL
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CTaskKill::ValidateFilters(
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void
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)
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/*++
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Routine Description:
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validates the filter information specified with -filter option
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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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LONG lIndex = -1;
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BOOL bResult = FALSE;
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PTFILTERCONFIG pConfig = NULL;
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//
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// prepare the filter structure
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// status
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pConfig = m_pfilterConfigs + FI_STATUS;
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pConfig->dwColumn = TASK_STATUS;
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pConfig->dwFlags = F_TYPE_TEXT | F_MODE_VALUES;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_STATUS, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, FVALUES_STATUS, MAX_FILTER_PROP_STRING );
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// imagename
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pConfig = m_pfilterConfigs + FI_IMAGENAME;
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pConfig->dwColumn = TASK_IMAGENAME;
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pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_IMAGENAME, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// pid
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pConfig = m_pfilterConfigs + FI_PID;
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pConfig->dwColumn = TASK_PID;
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pConfig->dwFlags = F_TYPE_CUSTOM;
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pConfig->pFunction = FilterProcessId;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_NUMERIC, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_PID, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// session
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pConfig = m_pfilterConfigs + FI_SESSION;
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pConfig->dwColumn = TASK_SESSION;
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pConfig->dwFlags = F_TYPE_UNUMERIC;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_NUMERIC, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_SESSION, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// cputime
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pConfig = m_pfilterConfigs + FI_CPUTIME;
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pConfig->dwColumn = TASK_CPUTIME;
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pConfig->dwFlags = F_TYPE_CUSTOM;
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pConfig->pFunction = FilterCPUTime;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_NUMERIC, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_CPUTIME, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// memusage
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pConfig = m_pfilterConfigs + FI_MEMUSAGE;
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pConfig->dwColumn = TASK_MEMUSAGE;
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pConfig->dwFlags = F_TYPE_UNUMERIC;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_NUMERIC, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_MEMUSAGE, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// username
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pConfig = m_pfilterConfigs + FI_USERNAME;
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pConfig->dwColumn = TASK_USERNAME;
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pConfig->dwFlags = F_TYPE_CUSTOM;
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pConfig->pFunction = FilterUserName;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_USERNAME, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// services
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pConfig = m_pfilterConfigs + FI_SERVICES;
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pConfig->dwColumn = TASK_SERVICES;
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pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN | F_MODE_ARRAY;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_SERVICES, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// windowtitle
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pConfig = m_pfilterConfigs + FI_WINDOWTITLE;
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pConfig->dwColumn = TASK_WINDOWTITLE;
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pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_WINDOWTITLE, MAX_FILTER_PROP_STRING );
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StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
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// modules
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pConfig = m_pfilterConfigs + FI_MODULES;
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pConfig->dwColumn = TASK_MODULES;
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pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN | F_MODE_ARRAY;
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pConfig->pFunction = NULL;
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pConfig->pFunctionData = NULL;
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StringCopy( pConfig->szOperators, OPERATORS_STRING, MAX_OPERATOR_STRING );
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StringCopy( pConfig->szProperty, FILTER_MODULES, MAX_FILTER_PROP_STRING );
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|
StringCopy( pConfig->szValues, NULL_STRING, MAX_FILTER_PROP_STRING );
|
|
|
|
//
|
|
// validate the filter
|
|
bResult = ParseAndValidateFilter( MAX_FILTERS,
|
|
m_pfilterConfigs, m_arrFilters, &m_arrFiltersEx );
|
|
|
|
// check the filter validation result
|
|
if ( FALSE == bResult )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// find out whether user has requested for the tasks to be filtered
|
|
// on user context and/or services are not ... if yes, set the appropriate flags
|
|
// this check is being done to increase the performance of the utility
|
|
// NOTE: we will be using the parsed filters info for doing this
|
|
|
|
// user context
|
|
if ( FALSE == m_bNeedUserContextInfo )
|
|
{
|
|
// find out if the filter property exists in this row
|
|
// NOTE:-
|
|
// filter property do exists in the seperate indexes only.
|
|
// refer to the logic of validating the filters in common functionality
|
|
lIndex = DynArrayFindStringEx( m_arrFiltersEx,
|
|
F_PARSED_INDEX_PROPERTY, FILTER_USERNAME, TRUE, 0 );
|
|
if ( -1 != lIndex )
|
|
{
|
|
m_bNeedUserContextInfo = TRUE;
|
|
}
|
|
}
|
|
|
|
// services info
|
|
if ( FALSE == m_bNeedServicesInfo )
|
|
{
|
|
// find out if the filter property exists in this row
|
|
// NOTE:-
|
|
// filter property do exists in the seperate indexes only.
|
|
// refer to the logic of validating the filters in common functionality
|
|
lIndex = DynArrayFindStringEx( m_arrFiltersEx,
|
|
F_PARSED_INDEX_PROPERTY, FILTER_SERVICES, TRUE, 0 );
|
|
if ( -1 != lIndex )
|
|
{
|
|
m_bNeedServicesInfo = TRUE;
|
|
}
|
|
}
|
|
|
|
// modules info
|
|
if ( FALSE == m_bNeedModulesInfo )
|
|
{
|
|
// find out if the filter property exists in this row
|
|
// NOTE:-
|
|
// filter property do exists in the seperate indexes only.
|
|
// refer to the logic of validating the filters in common functionality
|
|
lIndex = DynArrayFindStringEx( m_arrFiltersEx,
|
|
F_PARSED_INDEX_PROPERTY, FILTER_MODULES, TRUE, 0 );
|
|
if ( -1 != lIndex )
|
|
{
|
|
m_bNeedModulesInfo = TRUE;
|
|
}
|
|
}
|
|
|
|
//
|
|
// do the filter optimization by adding the wmi properties to the query
|
|
//
|
|
// NOTE: as the 'handle' property of the Win32_Process class is string type
|
|
// we cannot include that in the wmi query for optimization. So make use
|
|
// of the ProcessId property
|
|
|
|
// optimization should not be done if user requested for tree termination
|
|
if ( TRUE == m_bTree )
|
|
{
|
|
try
|
|
{
|
|
// default query
|
|
m_strQuery = WMI_PROCESS_QUERY;
|
|
}
|
|
catch( CHeap_Exception )
|
|
{
|
|
SetLastError( ( DWORD )E_OUTOFMEMORY );
|
|
SaveLastError();
|
|
return FALSE;
|
|
}
|
|
|
|
// modify the record filtering type for "memusage" filter from built-in type to custom type
|
|
( m_pfilterConfigs + FI_MEMUSAGE )->dwFlags = F_TYPE_CUSTOM;
|
|
( m_pfilterConfigs + FI_MEMUSAGE )->pFunctionData = NULL;
|
|
( m_pfilterConfigs + FI_MEMUSAGE )->pFunction = FilterMemUsage;
|
|
|
|
// modify the record filtering type for "pid" filter from custom to built-in type
|
|
( m_pfilterConfigs + FI_PID )->dwFlags = F_TYPE_UNUMERIC;
|
|
( m_pfilterConfigs + FI_PID )->pFunctionData = NULL;
|
|
( m_pfilterConfigs + FI_PID )->pFunction = NULL;
|
|
|
|
// simply return ... filter validation is complete
|
|
return TRUE;
|
|
}
|
|
|
|
// variables needed by optimization logic
|
|
LONG lCount = 0;
|
|
CHString strBuffer;
|
|
BOOL bOptimized = FALSE;
|
|
LPCWSTR pwszValue = NULL;
|
|
LPCWSTR pwszClause = NULL;
|
|
LPCWSTR pwszProperty = NULL;
|
|
LPCWSTR pwszOperator = NULL;
|
|
|
|
try
|
|
{
|
|
// first clause .. and init
|
|
m_strQuery = WMI_PROCESS_QUERY;
|
|
pwszClause = WMI_QUERY_FIRST_CLAUSE;
|
|
|
|
// get the no. of filters
|
|
lCount = DynArrayGetCount( m_arrFiltersEx );
|
|
|
|
// traverse thru all the filters and do the optimization
|
|
m_bFiltersOptimized = FALSE;
|
|
for( LONG i = 0; i < lCount; i++ )
|
|
{
|
|
// assume this filter will not be delete / not useful for optimization
|
|
bOptimized = FALSE;
|
|
|
|
// get the property, operator and value
|
|
pwszValue = DynArrayItemAsString2( m_arrFiltersEx, i, F_PARSED_INDEX_VALUE );
|
|
pwszProperty = DynArrayItemAsString2( m_arrFiltersEx, i, F_PARSED_INDEX_PROPERTY );
|
|
pwszOperator = DynArrayItemAsString2( m_arrFiltersEx, i, F_PARSED_INDEX_OPERATOR );
|
|
if ( ( NULL == pwszProperty ) || ( NULL == pwszOperator ) || ( NULL == pwszValue ) )
|
|
{
|
|
SetLastError( ( DWORD )STG_E_UNKNOWN );
|
|
SaveLastError();
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// based on the property do optimization needed
|
|
|
|
// get the mathematically equivalent operator
|
|
pwszOperator = FindOperator( pwszOperator );
|
|
|
|
// process id
|
|
if ( 0 == StringCompare( FILTER_PID, pwszProperty, TRUE, 0 ) )
|
|
{
|
|
// convert the value into numeric
|
|
DWORD dwProcessId = AsLong( pwszValue, 10 );
|
|
strBuffer.Format( L" %s %s %s %d",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_PROCESSID, pwszOperator, dwProcessId );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
|
|
// session id
|
|
else
|
|
{
|
|
if ( 0 == StringCompare( FILTER_SESSION, pwszProperty, TRUE, 0 ) )
|
|
{
|
|
// convert the value into numeric
|
|
DWORD dwSession = AsLong( pwszValue, 10 );
|
|
strBuffer.Format( L" %s %s %s %d",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_SESSION, pwszOperator, dwSession );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
// image name
|
|
else
|
|
{
|
|
if ( 0 == StringCompare( FILTER_IMAGENAME, pwszProperty, TRUE, 0 ) )
|
|
{
|
|
// check if wild card is specified or not
|
|
// if wild card is specified, this filter cannot be optimized
|
|
if ( wcschr( pwszValue, L'*' ) == NULL )
|
|
{
|
|
// no conversions needed
|
|
strBuffer.Format( L" %s %s %s '%s'",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_IMAGENAME, pwszOperator, pwszValue );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
}
|
|
// mem usage
|
|
else
|
|
{
|
|
if ( 0 == StringCompare( FILTER_MEMUSAGE, pwszProperty, TRUE, 0 ) )
|
|
{
|
|
// convert the value into numeric
|
|
ULONG ulMemUsage = AsLong( pwszValue, 10 ) * 1024;
|
|
strBuffer.Format( L" %s %s %s %lu",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_MEMUSAGE, pwszOperator, ulMemUsage );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// check if property is optimizable ... if yes ... remove
|
|
if ( TRUE == bOptimized )
|
|
{
|
|
// change the clause and append the current query
|
|
m_strQuery += strBuffer;
|
|
pwszClause = WMI_QUERY_SECOND_CLAUSE;
|
|
|
|
// remove property and update the iterator variables
|
|
m_bFiltersOptimized = TRUE;
|
|
DynArrayRemove( m_arrFiltersEx, i );
|
|
i--;
|
|
lCount--;
|
|
}
|
|
}
|
|
|
|
// final touch up to the query
|
|
if ( TRUE == m_bFiltersOptimized )
|
|
{
|
|
m_strQuery += L" )";
|
|
}
|
|
}
|
|
catch( CHeap_Exception )
|
|
{
|
|
SetLastError( ( DWORD )E_OUTOFMEMORY );
|
|
SaveLastError();
|
|
return FALSE;
|
|
}
|
|
|
|
// return the filter validation result
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
BOOL
|
|
TimeFieldsToElapsedTime(
|
|
IN LPCWSTR pwszTime,
|
|
IN LPCWSTR pwszToken,
|
|
OUT ULONG& ulElapsedTime
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Retrieve elapsed time.
|
|
|
|
Arguments:
|
|
[ in ] pwszTime : Contains time string.
|
|
[ in ] pwszToken : Contains time seperator.
|
|
[ out ] ulElapsedTime : Contains elapsed time.
|
|
|
|
Return Value:
|
|
TRUE if success else FAIL is returned.
|
|
--*/
|
|
{
|
|
// local variables
|
|
ULONG ulValue = 0;
|
|
LPCWSTR pwszField = NULL;
|
|
WCHAR szTemp[ 64 ] = NULL_STRING;
|
|
DWORD dwNext = 0, dwLength = 0, dwCount = 0;
|
|
|
|
// check the input
|
|
if ( ( NULL == pwszTime ) ||
|
|
( NULL == pwszToken ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// start parsing the time info
|
|
dwNext = 0;
|
|
dwCount = 0;
|
|
ulElapsedTime = 0;
|
|
do
|
|
{
|
|
// search for the needed token
|
|
pwszField = FindString( pwszTime, pwszToken, dwNext );
|
|
if ( NULL == pwszField )
|
|
{
|
|
// check whether some more text exists in the actual string or not
|
|
if ( dwNext >= StringLength( pwszTime, 0 ) )
|
|
{
|
|
break; // no more info found
|
|
}
|
|
// get the last info
|
|
StringCopy( szTemp, pwszTime + dwNext, SIZE_OF_ARRAY( szTemp ) );
|
|
dwLength = StringLength( szTemp, 0 ); // update the length
|
|
}
|
|
else
|
|
{
|
|
// determine the length of numeric value and get the numeric value
|
|
dwLength = StringLength( pwszTime, 0 ) - StringLength( pwszField, 0 ) - dwNext;
|
|
|
|
// check the length info
|
|
if ( dwLength > SIZE_OF_ARRAY( szTemp ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// get the current info
|
|
StringCopy( szTemp, pwszTime + dwNext, dwLength ); // +1 for NULL character
|
|
}
|
|
|
|
// update the count of fields we are getting
|
|
dwCount++;
|
|
|
|
// check whether this field is numeric or not
|
|
if ( ( 0 == StringLength( szTemp, 0 ) ) ||
|
|
( FALSE == IsNumeric( szTemp, 10, FALSE ) ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// from second token onwards, values greater than 59 are not allowed
|
|
ulValue = AsLong( szTemp, 10 );
|
|
if ( ( 1 < dwCount ) && ( 50 < ulValue ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// update the elapsed time
|
|
ulElapsedTime = ( ulElapsedTime + ulValue ) * (( dwCount < 3 ) ? 60 : 1);
|
|
|
|
// position to the next information start
|
|
dwNext += dwLength + StringLength( pwszToken, 0 );
|
|
} while ( ( NULL != pwszField ) && ( 3 > dwCount ) );
|
|
|
|
// check the no. of time field we got .. we should have got 3 .. if not, error
|
|
if ( ( NULL != pwszField ) || ( 3 != dwCount ) )
|
|
{
|
|
return FALSE;
|
|
}
|
|
// so everything went right ... return success
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
DWORD
|
|
FilterCPUTime(
|
|
IN LPCWSTR pwszProperty,
|
|
IN LPCWSTR pwszOperator,
|
|
IN LPCWSTR pwszValue,
|
|
IN LPVOID pData,
|
|
IN TARRAY arrRow
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Filter process to display with resepect their CPU time.
|
|
|
|
Arguments:
|
|
[ in ] pwszProperty : Contains property value as 'CPUTIME'.
|
|
[ in ] pwszOperator : Contains operator as 'gt'or 'lt' or 'ge' or 'le'.
|
|
[ in ] pwszValue : Contains value to filter.
|
|
[ in ] pData : Contains data to compare.
|
|
[ in ] arrRow : Contains item value to filter.
|
|
|
|
Return Value:
|
|
DWORD
|
|
|
|
--*/
|
|
{
|
|
// local variables
|
|
ULONG ulCPUTime = 0;
|
|
ULONG ulElapsedTime = 0;
|
|
LPCWSTR pwszCPUTime = NULL;
|
|
|
|
// if the arrRow parameter is NULL, we need to validate the filter
|
|
if ( NULL == arrRow )
|
|
{
|
|
// check if there are any arthemtic sysbols before the cputime value starts
|
|
if ( ( NULL != pwszValue ) && ( 1 < StringLength( pwszValue, 0 ) ) )
|
|
{
|
|
if ( ( L'-' == pwszValue[ 0 ] ) || ( L'+' == pwszValue[ 0 ] ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
}
|
|
|
|
// validate the filter value and return the result
|
|
if ( FALSE == TimeFieldsToElapsedTime( pwszValue, L":", ulElapsedTime ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
else
|
|
{
|
|
return F_FILTER_VALID;
|
|
}
|
|
}
|
|
|
|
// get the filter value
|
|
TimeFieldsToElapsedTime( pwszValue, L":", ulElapsedTime );
|
|
|
|
// get the record value
|
|
pwszCPUTime = DynArrayItemAsString( arrRow, TASK_CPUTIME );
|
|
if ( NULL == pwszCPUTime )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// convert the record value into elapsed time value
|
|
TimeFieldsToElapsedTime( pwszCPUTime, (LPCWSTR) pData, ulCPUTime );
|
|
|
|
// return the result
|
|
if ( ulCPUTime == ulElapsedTime )
|
|
{
|
|
return MASK_EQ;
|
|
}
|
|
else
|
|
{
|
|
if ( ulCPUTime < ulElapsedTime )
|
|
{
|
|
return MASK_LT;
|
|
}
|
|
else
|
|
{
|
|
if ( ulCPUTime > ulElapsedTime )
|
|
{
|
|
return MASK_GT;
|
|
}
|
|
}
|
|
}
|
|
|
|
// no way flow coming here .. still
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
|
|
|
|
DWORD
|
|
FilterMemUsage(
|
|
IN LPCWSTR pwszProperty,
|
|
IN LPCWSTR pwszOperator,
|
|
IN LPCWSTR pwszValue,
|
|
IN LPVOID pData,
|
|
IN TARRAY arrRow
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Filter process to display with resepect their CPU time.
|
|
|
|
Arguments:
|
|
[ in ] pwszProperty : Contains property value as 'CPUTIME'.
|
|
[ in ] pwszOperator : Contains operator as 'gt'or 'lt' or 'ge' or 'le'.
|
|
[ in ] pwszValue : Contains value to filter.
|
|
[ in ] pData : Contains data to compare.
|
|
[ in ] arrRow : Contains item value to filter.
|
|
|
|
Return Value:
|
|
DWORD
|
|
|
|
--*/
|
|
{
|
|
// local variables
|
|
DWORD dwLength = 0;
|
|
ULONGLONG ulValue = 0;
|
|
ULONGLONG ulMemUsage = 0;
|
|
LPCWSTR pwszMemUsage = NULL;
|
|
|
|
// check the inputs
|
|
if ( ( NULL == pwszProperty ) ||
|
|
( NULL == pwszOperator ) ||
|
|
( NULL == pwszValue ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// check the arrRow parameter
|
|
// because this function will not / should not be called except for filtering
|
|
if ( NULL == arrRow )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// check the inputs
|
|
if ( NULL == pwszValue )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// get the memusage value
|
|
pwszMemUsage = DynArrayItemAsString( arrRow, TASK_MEMUSAGE );
|
|
if ( NULL == pwszMemUsage )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// NOTE: as there is no conversion API as of today we use manual ULONGLONG value
|
|
// preparation from string value
|
|
ulMemUsage = 0;
|
|
dwLength = StringLength( pwszMemUsage, 0 );
|
|
for( DWORD dw = 0; dw < dwLength; dw++ )
|
|
{
|
|
// validate the digit
|
|
if ( ( L'0' > pwszMemUsage[ dw ] ) || ( L'9' < pwszMemUsage[ dw ] ) )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// ...
|
|
ulMemUsage = ulMemUsage * 10 + ( pwszMemUsage[ dw ] - 48 );
|
|
}
|
|
|
|
// get the user specified value
|
|
ulValue = AsLong( pwszValue, 10 );
|
|
|
|
//
|
|
// now determine the result value
|
|
if ( ulMemUsage == ulValue )
|
|
{
|
|
return MASK_EQ;
|
|
}
|
|
else
|
|
{
|
|
if ( ulMemUsage < ulValue )
|
|
{
|
|
return MASK_LT;
|
|
}
|
|
else
|
|
{
|
|
if ( ulMemUsage > ulValue )
|
|
{
|
|
return MASK_GT;
|
|
}
|
|
}
|
|
}
|
|
// never come across this situation ... still
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
|
|
|
|
DWORD
|
|
FilterUserName(
|
|
IN LPCWSTR pwszProperty,
|
|
IN LPCWSTR pwszOperator,
|
|
IN LPCWSTR pwszValue,
|
|
IN LPVOID pData,
|
|
IN TARRAY arrRow
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Filter process to display with resepect their Username.
|
|
|
|
Arguments:
|
|
[ in ] pwszProperty : Contains property value as 'USERNAME'.
|
|
[ in ] pwszOperator : Contains operator as 'eq' or 'ne'.
|
|
[ in ] pwszValue : Contains value to filter.
|
|
[ in ] pData : Contains data to compare.
|
|
[ in ] arrRow : Contains item value to filter.
|
|
|
|
Return Value:
|
|
DWORD
|
|
--*/
|
|
{
|
|
// local variables
|
|
LONG lResult = 0;
|
|
LONG lWildCardPos = 0;
|
|
LPCWSTR pwszTemp = NULL;
|
|
LPCWSTR pwszSearch = NULL;
|
|
BOOL bOnlyUserName = FALSE;
|
|
LPCWSTR pwszUserName = NULL;
|
|
|
|
// check the inputs
|
|
if ( ( NULL == pwszProperty ) ||
|
|
( NULL == pwszOperator ) ||
|
|
( NULL == pwszValue ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// if the arrRow parameter is NULL, we need to validate the filter
|
|
if ( NULL == arrRow )
|
|
{
|
|
// nothing is there to validate ... just check the length
|
|
// and ensure that so text is present and the value should not be just '*'
|
|
// NOTE: the common functionality will give the value after doing left and right trim
|
|
if ( ( 0 == StringLength( pwszValue, 0 ) ) || ( 0 == StringCompare( pwszValue, L"*", TRUE, 0 ) ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// the wild card character is allowed only at the end
|
|
pwszTemp = _tcschr( pwszValue, L'*' );
|
|
if ( ( NULL != pwszTemp ) && ( 0 != StringLength( pwszTemp + 1, 0 ) ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// filter is valid
|
|
return F_FILTER_VALID;
|
|
}
|
|
|
|
// find the position of the wild card in the supplied user name
|
|
lWildCardPos = 0;
|
|
pwszTemp = _tcschr( pwszValue, L'*' );
|
|
if ( NULL != pwszTemp )
|
|
{
|
|
// determine the wild card position
|
|
lWildCardPos = StringLength( pwszValue, 0 ) - StringLength( pwszTemp, 0 );
|
|
|
|
// special case:
|
|
// if the pattern is just asterisk, which means that all the
|
|
// information needs to passed thru the filter but there is no chance for
|
|
// this situation as specifying only '*' is being treated as invalid filter
|
|
if ( 0 == lWildCardPos )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
}
|
|
|
|
// search for the domain and user name seperator ...
|
|
// if domain name is not specified, comparision will be done only with the user name
|
|
bOnlyUserName = FALSE;
|
|
pwszTemp = _tcschr( pwszValue, L'\\' );
|
|
if ( NULL == pwszTemp )
|
|
{
|
|
bOnlyUserName = TRUE;
|
|
}
|
|
// get the user name from the info
|
|
pwszUserName = DynArrayItemAsString( arrRow, TASK_USERNAME );
|
|
if ( NULL == pwszUserName )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// based the search criteria .. meaning whether to search along with the domain or
|
|
// only user name, the seach string will be decided
|
|
pwszSearch = pwszUserName;
|
|
if ( TRUE == bOnlyUserName )
|
|
{
|
|
// search for the domain and user name seperation character
|
|
pwszTemp = _tcschr( pwszUserName, L'\\' );
|
|
|
|
// position to the next character
|
|
if ( NULL != pwszTemp )
|
|
{
|
|
pwszSearch = pwszTemp + 1;
|
|
}
|
|
}
|
|
|
|
// validate the search string
|
|
if ( NULL == pwszSearch )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// now do the comparision
|
|
lResult = StringCompare( pwszSearch, pwszValue, TRUE, lWildCardPos );
|
|
|
|
//
|
|
// now determine the result value
|
|
if ( 0 == lResult )
|
|
{
|
|
return MASK_EQ;
|
|
}
|
|
else
|
|
{
|
|
if ( 0 > lResult )
|
|
{
|
|
return MASK_LT;
|
|
}
|
|
if ( 0 < lResult )
|
|
{
|
|
return MASK_GT;
|
|
}
|
|
}
|
|
|
|
// never come across this situation ... still
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
|
|
|
|
DWORD
|
|
FilterProcessId(
|
|
IN LPCWSTR pwszProperty,
|
|
IN LPCWSTR pwszOperator,
|
|
IN LPCWSTR pwszValue,
|
|
IN LPVOID pData,
|
|
IN TARRAY arrRow
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
Filter process to display with resepect their Username.
|
|
|
|
Arguments:
|
|
[ in ] pwszProperty : Contains property value as 'USERNAME'.
|
|
[ in ] pwszOperator : Contains operator as 'eq' or 'ne'.
|
|
[ in ] pwszValue : Contains value to filter.
|
|
[ in ] pData : Contains data to compare.
|
|
[ in ] arrRow : Contains item value to filter.
|
|
|
|
Return Value:
|
|
DWORD
|
|
--*/
|
|
{
|
|
// local variables
|
|
LPWSTR pwsz = NULL;
|
|
|
|
// check the inputs
|
|
if ( ( NULL == pwszProperty ) ||
|
|
( NULL == pwszOperator ) ||
|
|
( NULL == pwszValue ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// check the arrRow parameter
|
|
// because this function will not / should not be called except for validation
|
|
if ( NULL != arrRow )
|
|
{
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
// check the inputs ( only needed ones )
|
|
if ( NULL == pwszValue )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// NOTE: do not call the IsNumeric function. do the numeric validation in this module itself
|
|
// also do not check for the overflow (or) underflow.
|
|
// just check whether input is numeric or not
|
|
wcstoul( pwszValue, &pwsz, 10 );
|
|
if ( ( 0 == StringLength( pwszValue, 0 ) ) ||
|
|
( ( NULL != pwsz ) && ( 0 < StringLength( pwsz, 0 ) ) ) )
|
|
{
|
|
return F_FILTER_INVALID;
|
|
}
|
|
// check if overflow (or) undeflow occured
|
|
if ( ERANGE == errno )
|
|
{
|
|
SetReason( ERROR_NO_PROCESSES );
|
|
return F_FILTER_INVALID;
|
|
}
|
|
|
|
// return
|
|
return F_FILTER_VALID;
|
|
}
|
|
|
|
|
|
VOID
|
|
CTaskKill::Usage(
|
|
void
|
|
)
|
|
/*++
|
|
Routine Description:
|
|
This function fetches usage information from resource file and shows it.
|
|
|
|
Arguments:
|
|
NONE
|
|
|
|
Return Value:
|
|
NONE
|
|
--*/
|
|
{
|
|
// local variables
|
|
DWORD dw = 0;
|
|
|
|
// start displaying the usage
|
|
for( dw = ID_HELP_START; dw <= ID_HELP_END; dw++ )
|
|
{
|
|
ShowMessage( stdout, GetResString( dw ) );
|
|
}
|
|
}
|