1005 lines
30 KiB
C++
1005 lines
30 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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// 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 (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 "tasklist.h"
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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 FilterUserName( 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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// ***************************************************************************
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// Routine Description:
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// processes and validates the command line inputs
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//
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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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//
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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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BOOL CTaskList::ProcessOptions( DWORD argc, LPCTSTR argv[] )
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{
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// local variables
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BOOL bNoHeader = FALSE;
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PTCMDPARSER pcmdOptions = NULL;
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__STRING_64 szFormat = NULL_STRING;
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// temporary local variables
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LPWSTR pwszModules = NULL;
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LPWSTR pwszServer = NULL;
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LPWSTR pwszUserName = NULL;
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LPWSTR pwszPassword = NULL;
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PTCMDPARSER pOption = NULL;
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PTCMDPARSER pOptionServer = NULL;
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PTCMDPARSER pOptionUserName = NULL;
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PTCMDPARSER pOptionPassword = NULL;
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//
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// prepare the command options
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pcmdOptions = new TCMDPARSER[ MAX_OPTIONS ];
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if ( pcmdOptions == NULL )
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{
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SetLastError( E_OUTOFMEMORY );
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SaveLastError();
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return FALSE;
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}
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try
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{
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// get the memory
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pwszModules = m_strModules.GetBufferSetLength( MAX_STRING_LENGTH );
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pwszServer = m_strServer.GetBufferSetLength( MAX_STRING_LENGTH );
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pwszUserName = m_strUserName.GetBufferSetLength( MAX_STRING_LENGTH );
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pwszPassword = m_strPassword.GetBufferSetLength( MAX_STRING_LENGTH );
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// init to NULL's
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ZeroMemory( pwszModules, sizeof( WCHAR ) * MAX_STRING_LENGTH );
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ZeroMemory( pwszServer, sizeof( WCHAR ) * MAX_STRING_LENGTH );
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ZeroMemory( pwszUserName, sizeof( WCHAR ) * MAX_STRING_LENGTH );
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ZeroMemory( pwszPassword, sizeof( WCHAR ) * MAX_STRING_LENGTH );
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// init the password contents with '*'
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lstrcpy( pwszPassword, L"*" );
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}
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catch( ... )
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{
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SetLastError( E_OUTOFMEMORY );
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SaveLastError();
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return FALSE;
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}
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// initialize to ZERO's
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ZeroMemory( pcmdOptions, MAX_OPTIONS * sizeof( TCMDPARSER ) );
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// -?
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pOption = pcmdOptions + OI_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->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_USAGE );
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// -s
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pOption = pcmdOptions + OI_SERVER;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_MANDATORY;
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pOption->pValue = pwszServer;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_SERVER );
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// -u
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pOption = pcmdOptions + OI_USERNAME;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_MANDATORY;
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pOption->pValue = pwszUserName;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_USERNAME );
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// -p
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pOption = pcmdOptions + OI_PASSWORD;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_OPTIONAL;
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pOption->pValue = pwszPassword;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_PASSWORD );
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// -fi
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pOption = pcmdOptions + OI_FILTER;
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pOption->dwCount = 0;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_MANDATORY | CP_MODE_ARRAY;
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pOption->pValue = &m_arrFilters;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_FILTER );
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// -fo
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pOption = pcmdOptions + OI_FORMAT;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_MANDATORY | CP_MODE_VALUES;
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pOption->pValue = &szFormat;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, OVALUES_FORMAT );
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lstrcpy( pOption->szOption, OPTION_FORMAT );
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// -nh
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pOption = pcmdOptions + OI_NOHEADER;
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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 = &bNoHeader;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_NOHEADER );
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// -v
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pOption = pcmdOptions + OI_VERBOSE;
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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_bVerbose;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_VERBOSE );
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// -svc
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pOption = pcmdOptions + OI_SVC;
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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_bAllServices;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_SVC );
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// -m
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pOption = pcmdOptions + OI_MODULES;
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pOption->dwCount = 1;
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pOption->dwActuals = 0;
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pOption->dwFlags = CP_TYPE_TEXT | CP_VALUE_OPTIONAL;
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pOption->pValue = pwszModules;
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pOption->pFunction = NULL;
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pOption->pFunctionData = NULL;
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lstrcpy( pOption->szValues, NULL_STRING );
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lstrcpy( pOption->szOption, OPTION_MODULES );
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//
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// do the parsing
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if ( DoParseParam( argc, argv, MAX_OPTIONS, pcmdOptions ) == FALSE )
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{
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delete [] pcmdOptions; // clear memory
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pcmdOptions = NULL;
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return FALSE; // invalid syntax
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}
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// release the buffers
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m_strModules.ReleaseBuffer();
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m_strServer.ReleaseBuffer();
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m_strUserName.ReleaseBuffer();
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m_strPassword.ReleaseBuffer();
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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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// check the usage option
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if ( m_bUsage && ( argc > 2 ) )
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{
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// no other options are accepted along with -? option
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SetLastError( MK_E_SYNTAX );
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SetReason( ERROR_INVALID_USAGE_REQUEST );
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delete [] pcmdOptions; // clear the cmd parser config info
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return FALSE;
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}
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else if ( m_bUsage == TRUE )
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{
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// should not do the furthur validations
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delete [] pcmdOptions; // clear the cmd parser config info
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return TRUE;
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}
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// "-u" should not be specified without machine names
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if ( pOptionServer->dwActuals == 0 && pOptionUserName->dwActuals != 0 )
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{
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// invalid syntax
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SetReason( ERROR_USERNAME_BUT_NOMACHINE );
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delete [] pcmdOptions; // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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// empty server name is not valid
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if ( pOptionServer->dwActuals != 0 )
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{
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// trim the contents
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m_strServer.TrimLeft();
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m_strServer.TrimRight();
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// check the value
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if ( m_strServer.GetLength() == 0 )
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{
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SetReason( ERROR_SERVERNAME_EMPTY );
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delete [] 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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// empty user is not valid
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m_strUserName.TrimLeft();
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m_strUserName.TrimRight();
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if ( pOptionUserName->dwActuals != 0 && m_strUserName.GetLength() == 0 )
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{
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SetReason( ERROR_USERNAME_EMPTY );
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delete [] pcmdOptions;
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return FALSE;
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}
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// "-p" should not be specified without "-u"
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if ( pOptionUserName->dwActuals == 0 && pOptionPassword->dwActuals != 0 )
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{
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// invalid syntax
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SetReason( ERROR_PASSWORD_BUT_NOUSERNAME );
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delete [] pcmdOptions; // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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// check whether user has specified modules or not
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if ( pcmdOptions[ OI_MODULES ].dwActuals != 0 )
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{
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// user has specified modules information
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m_bAllModules = TRUE;
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m_bNeedModulesInfo = TRUE;
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// now need to check whether user specified value or not this option
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m_strModules.TrimLeft();
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m_strModules.TrimRight();
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if ( m_strModules.GetLength() != 0 )
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{
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// sub-local variales
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CHString str;
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LONG lPos = 0;
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// validate the modules .. direct filter
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// if should not have '*' character in between
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lPos = m_strModules.Find( L"*" );
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if ( lPos != -1 && m_strModules.Mid( lPos + 1 ).GetLength() != 0 )
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{
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SetReason( ERROR_M_CHAR_AFTER_WILDCARD );
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delete [] pcmdOptions;
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return FALSE;
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}
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// if the wildcard is not specified, it means user is looking for just a particular module name
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// so, do not show the modules info instead show the filtered regular information
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// if ( lPos == -1 )
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// m_bAllModules = FALSE;
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// if the filter specified is not just '*' add a custom filter
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if ( m_strModules.Compare( L"*" ) != 0 )
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{
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// prepare the search string
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str.Format( FMT_MODULES_FILTER, m_strModules );
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// add the value to the filters list
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if ( DynArrayAppendString( m_arrFilters, str, 0 ) == -1 )
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{
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SetLastError( E_OUTOFMEMORY );
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SaveLastError();
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delete [] pcmdOptions;
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return FALSE;
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}
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}
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else
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{
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// user specified just '*' ... clear the contents
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m_strModules.Empty();
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}
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}
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}
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// determine the format in which the process information has to be displayed
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m_dwFormat = SR_FORMAT_TABLE;
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if ( lstrcmpi( szFormat, TEXT_FORMAT_LIST ) == 0 )
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m_dwFormat = SR_FORMAT_LIST;
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else if ( lstrcmpi( szFormat, TEXT_FORMAT_TABLE ) == 0 )
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m_dwFormat = SR_FORMAT_TABLE;
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else if ( lstrcmpi( szFormat, TEXT_FORMAT_CSV ) == 0 )
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m_dwFormat = SR_FORMAT_CSV;
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// -nh option is not valid of LIST format
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if ( bNoHeader == TRUE && m_dwFormat == SR_FORMAT_LIST )
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{
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// invalid syntax
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SetReason( ERROR_NH_NOTSUPPORTED );
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delete [] pcmdOptions; // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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// identify output format
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if ( bNoHeader )
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m_dwFormat |= SR_NOHEADER; // do not display the header
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// -svc, -m and -v should not be combined
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if ( (m_bAllServices == TRUE && (m_bAllModules == TRUE || m_bVerbose == TRUE)) ||
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(m_bAllModules == TRUE && (m_bAllServices == TRUE || m_bVerbose == TRUE)) ||
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(m_bVerbose == TRUE && (m_bAllServices == TRUE || m_bAllModules == TRUE)) )
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{
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// invalid syntax
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SetReason( ERROR_M_SVC_V_CANNOTBECOUPLED );
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delete [] pcmdOptions; // clear the cmd parser config info
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return FALSE; // indicate failure
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}
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// determine whether we need to get the services / username info or not
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if ( m_bAllServices == TRUE )
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m_bNeedServicesInfo = TRUE;
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else if ( m_bVerbose == TRUE )
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{
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m_bNeedWindowTitles = TRUE;
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m_bNeedUserContextInfo = TRUE;
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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 ( pOptionPassword->dwActuals != 0 && m_strPassword.Compare( L"*" ) == 0 )
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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 if ( (pOptionPassword->dwActuals == 0 &&
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(pOptionServer->dwActuals != 0 || pOptionUserName->dwActuals != 0)) )
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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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// command-line parsing is successfull
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delete [] 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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// Routine Description:
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// validates the filter information specified with -filter option
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//
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// Arguments:
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// NONE
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//
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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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BOOL CTaskList::ValidateFilters()
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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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// sessionname
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pConfig = m_pfilterConfigs + FI_SESSIONNAME;
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pConfig->dwColumn = CI_SESSIONNAME;
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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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lstrcpy( pConfig->szOperators, OPERATORS_STRING );
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lstrcpy( pConfig->szProperty, FILTER_SESSIONNAME );
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lstrcpy( pConfig->szValues, NULL_STRING );
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// status
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pConfig = m_pfilterConfigs + FI_STATUS;
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pConfig->dwColumn = CI_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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lstrcpy( pConfig->szOperators, OPERATORS_STRING );
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lstrcpy( pConfig->szProperty, FILTER_STATUS );
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lstrcpy( pConfig->szValues, FVALUES_STATUS );
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// imagename
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pConfig = m_pfilterConfigs + FI_IMAGENAME;
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pConfig->dwColumn = CI_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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lstrcpy( pConfig->szOperators, OPERATORS_STRING );
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lstrcpy( pConfig->szProperty, FILTER_IMAGENAME );
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lstrcpy( pConfig->szValues, NULL_STRING );
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// pid
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pConfig = m_pfilterConfigs + FI_PID;
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pConfig->dwColumn = CI_PID;
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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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lstrcpy( pConfig->szOperators, OPERATORS_NUMERIC );
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lstrcpy( pConfig->szProperty, FILTER_PID );
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lstrcpy( pConfig->szValues, NULL_STRING );
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// session
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pConfig = m_pfilterConfigs + FI_SESSION;
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pConfig->dwColumn = CI_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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lstrcpy( pConfig->szOperators, OPERATORS_NUMERIC );
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lstrcpy( pConfig->szProperty, FILTER_SESSION );
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lstrcpy( pConfig->szValues, NULL_STRING );
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// cputime
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pConfig = m_pfilterConfigs + FI_CPUTIME;
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pConfig->dwColumn = CI_CPUTIME;
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pConfig->dwFlags = F_TYPE_CUSTOM;
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pConfig->pFunction = FilterCPUTime;
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pConfig->pFunctionData = ( LPVOID) ((LPCWSTR) m_strTimeSep);
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lstrcpy( pConfig->szOperators, OPERATORS_NUMERIC );
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lstrcpy( pConfig->szProperty, FILTER_CPUTIME );
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lstrcpy( pConfig->szValues, NULL_STRING );
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// memusage
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pConfig = m_pfilterConfigs + FI_MEMUSAGE;
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pConfig->dwColumn = CI_MEMUSAGE;
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|
pConfig->dwFlags = F_TYPE_UNUMERIC;
|
|
pConfig->pFunction = NULL;
|
|
pConfig->pFunctionData = NULL;
|
|
lstrcpy( pConfig->szOperators, OPERATORS_NUMERIC );
|
|
lstrcpy( pConfig->szProperty, FILTER_MEMUSAGE );
|
|
lstrcpy( pConfig->szValues, NULL_STRING );
|
|
|
|
// username
|
|
pConfig = m_pfilterConfigs + FI_USERNAME;
|
|
pConfig->dwColumn = CI_USERNAME;
|
|
pConfig->dwFlags = F_TYPE_CUSTOM;
|
|
pConfig->pFunction = FilterUserName;
|
|
pConfig->pFunctionData = NULL;
|
|
lstrcpy( pConfig->szOperators, OPERATORS_STRING );
|
|
lstrcpy( pConfig->szProperty, FILTER_USERNAME );
|
|
lstrcpy( pConfig->szValues, NULL_STRING );
|
|
|
|
// services
|
|
pConfig = m_pfilterConfigs + FI_SERVICES;
|
|
pConfig->dwColumn = CI_SERVICES;
|
|
pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN | F_MODE_ARRAY;
|
|
pConfig->pFunction = NULL;
|
|
pConfig->pFunctionData = NULL;
|
|
lstrcpy( pConfig->szOperators, OPERATORS_STRING );
|
|
lstrcpy( pConfig->szProperty, FILTER_SERVICES );
|
|
lstrcpy( pConfig->szValues, NULL_STRING );
|
|
|
|
// windowtitle
|
|
pConfig = m_pfilterConfigs + FI_WINDOWTITLE;
|
|
pConfig->dwColumn = CI_WINDOWTITLE;
|
|
pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN;
|
|
pConfig->pFunction = NULL;
|
|
pConfig->pFunctionData = NULL;
|
|
lstrcpy( pConfig->szOperators, OPERATORS_STRING );
|
|
lstrcpy( pConfig->szProperty, FILTER_WINDOWTITLE );
|
|
lstrcpy( pConfig->szValues, NULL_STRING );
|
|
|
|
// modules
|
|
pConfig = m_pfilterConfigs + FI_MODULES;
|
|
pConfig->dwColumn = CI_MODULES;
|
|
pConfig->dwFlags = F_TYPE_TEXT | F_MODE_PATTERN | F_MODE_ARRAY;
|
|
pConfig->pFunction = NULL;
|
|
pConfig->pFunctionData = NULL;
|
|
lstrcpy( pConfig->szOperators, OPERATORS_STRING );
|
|
lstrcpy( pConfig->szProperty, FILTER_MODULES );
|
|
lstrcpy( pConfig->szValues, NULL_STRING );
|
|
|
|
//
|
|
// validate the filter
|
|
bResult = ParseAndValidateFilter( MAX_FILTERS,
|
|
m_pfilterConfigs, m_arrFilters, &m_arrFiltersEx );
|
|
|
|
// check the filter validation result
|
|
if ( bResult == FALSE )
|
|
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
|
|
|
|
// window titles
|
|
if ( m_bNeedWindowTitles == FALSE )
|
|
{
|
|
// 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_WINDOWTITLE, TRUE, 0 );
|
|
if ( lIndex != -1 )
|
|
m_bNeedWindowTitles = TRUE;
|
|
}
|
|
|
|
// user context
|
|
if ( m_bNeedUserContextInfo == FALSE )
|
|
{
|
|
// 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 ( lIndex != -1 )
|
|
m_bNeedUserContextInfo = TRUE;
|
|
}
|
|
|
|
// services info
|
|
if ( m_bNeedServicesInfo == FALSE )
|
|
{
|
|
// 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 ( lIndex != -1 )
|
|
m_bNeedServicesInfo = TRUE;
|
|
}
|
|
|
|
// modules info
|
|
if ( m_bNeedModulesInfo == FALSE )
|
|
{
|
|
// 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 ( lIndex != -1 )
|
|
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
|
|
LONG lCount = 0;
|
|
CHString strBuffer;
|
|
BOOL bOptimized = FALSE;
|
|
LPCWSTR pwszValue = NULL;
|
|
LPCWSTR pwszClause = NULL;
|
|
LPCWSTR pwszProperty = NULL;
|
|
LPCWSTR pwszOperator = NULL;
|
|
|
|
// 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
|
|
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 ( pwszProperty == NULL || pwszOperator == NULL || pwszValue == NULL )
|
|
{
|
|
SetLastError( STG_E_UNKNOWN );
|
|
SaveLastError();
|
|
return FALSE;
|
|
}
|
|
|
|
//
|
|
// based on the property do optimization needed
|
|
|
|
// get the mathematically equivalent operator
|
|
pwszOperator = FindOperator( pwszOperator );
|
|
|
|
// process id
|
|
if ( StringCompare( FILTER_PID, pwszProperty, TRUE, 0 ) == 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 ( StringCompare( FILTER_SESSION, pwszProperty, TRUE, 0 ) == 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 ( StringCompare( FILTER_IMAGENAME, pwszProperty, TRUE, 0 ) == 0 )
|
|
{
|
|
// check if wild card is specified or not
|
|
// if wild card is specified, this filter cannot be optimized
|
|
if ( wcschr( pwszValue, _T( '*' ) ) == NULL )
|
|
{
|
|
// no conversions needed
|
|
strBuffer.Format( L" %s %s %s '%s'",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_IMAGENAME, pwszOperator, pwszValue );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
}
|
|
|
|
// status
|
|
else if ( StringCompare( FILTER_STATUS, pwszProperty, TRUE, 0 ) == 0 )
|
|
{
|
|
//
|
|
// do the value conversions
|
|
//
|
|
// if OPERATOR is =
|
|
// value: RUNNING means OPERATOR is > and VALUE is 0
|
|
// NOT RESPONDING means OPERATOR = and VALUE is 0
|
|
//
|
|
// if OPERATOR is !=
|
|
// value: RUNNING means OPERATOR is = and VALUE is 0
|
|
// NOT RESPONDING means OPERATOR is > and VALUE is 0
|
|
if ( StringCompare( pwszValue, VALUE_RUNNING, TRUE, 0 ) == 0 )
|
|
{
|
|
if ( StringCompare( pwszOperator, MATH_EQ, TRUE, 0 ) == 0 )
|
|
pwszOperator = MATH_GT;
|
|
else
|
|
pwszOperator = MATH_EQ;
|
|
}
|
|
else
|
|
{
|
|
if ( StringCompare( pwszOperator, MATH_EQ, TRUE, 0 ) == 0 )
|
|
pwszOperator = MATH_EQ;
|
|
else
|
|
pwszOperator = MATH_GT;
|
|
}
|
|
|
|
// finally the filter condition
|
|
strBuffer.Format( L" %s %s %s 0",
|
|
pwszClause, WIN32_PROCESS_PROPERTY_THREADS, pwszOperator );
|
|
|
|
// need to be optimized
|
|
bOptimized = TRUE;
|
|
}
|
|
|
|
// mem usage
|
|
else if ( StringCompare( FILTER_MEMUSAGE, pwszProperty, TRUE, 0 ) == 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 ( bOptimized == TRUE )
|
|
{
|
|
// change the clause and append the current query
|
|
m_strQuery += strBuffer;
|
|
pwszClause = WMI_QUERY_SECOND_CLAUSE;
|
|
|
|
// remove property and update the iterator variables
|
|
DynArrayRemove( m_arrFiltersEx, i );
|
|
i--;
|
|
lCount--;
|
|
}
|
|
}
|
|
|
|
// return the filter validation result
|
|
return bResult;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
// Routine Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
// ***************************************************************************
|
|
BOOL TimeFieldsToElapsedTime( LPCWSTR pwszTime, LPCWSTR pwszToken, ULONG& ulElapsedTime )
|
|
{
|
|
// local variables
|
|
ULONG ulValue = 0;
|
|
LPCWSTR pwszField = NULL;
|
|
__STRING_64 szTemp = NULL_STRING;
|
|
DWORD dwNext = 0, dwLength = 0, dwCount = 0;
|
|
|
|
// check the input
|
|
if ( pwszTime == NULL || pwszToken == NULL )
|
|
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 ( pwszField == NULL )
|
|
{
|
|
// check whether some more text exists in the actual string or not
|
|
if ( (LONG) dwNext >= lstrlen( pwszTime ) )
|
|
break; // no more info found
|
|
|
|
// get the last info
|
|
lstrcpyn( szTemp, pwszTime + dwNext, SIZE_OF_ARRAY( szTemp ) );
|
|
dwLength = lstrlen( szTemp ); // update the length
|
|
}
|
|
else
|
|
{
|
|
// determine the length of numeric value and get the numeric value
|
|
dwLength = lstrlen( pwszTime ) - lstrlen( pwszField ) - dwNext;
|
|
|
|
// check the length info
|
|
if ( dwLength > SIZE_OF_ARRAY( szTemp ) )
|
|
return FALSE;
|
|
|
|
// get the current info
|
|
lstrcpyn( szTemp, pwszTime + dwNext, dwLength + 1 ); // +1 for NULL character
|
|
}
|
|
|
|
// update the count of fields we are getting
|
|
dwCount++;
|
|
|
|
// check whether this field is numeric or not
|
|
if ( lstrlen( szTemp ) == 0 || IsNumeric( szTemp, 10, FALSE ) == FALSE )
|
|
return FALSE;
|
|
|
|
// from second token onwards, values greater than 59 are not allowed
|
|
ulValue = AsLong( szTemp, 10 );
|
|
if ( dwCount > 1 && ulValue > 59 )
|
|
return FALSE;
|
|
|
|
// update the elapsed time
|
|
ulElapsedTime = ( ulElapsedTime + ulValue ) * (( dwCount < 3 ) ? 60 : 1);
|
|
|
|
// position to the next information start
|
|
dwNext += dwLength + lstrlen( pwszToken );
|
|
} while ( pwszField != NULL && dwCount < 3 );
|
|
|
|
// check the no. of time field we got .. we should have got 3 .. if not error
|
|
if ( pwszField != NULL || dwCount != 3 )
|
|
return FALSE;
|
|
|
|
// so everything went right ... return success
|
|
return TRUE;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
// Routine Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
// ***************************************************************************
|
|
DWORD FilterCPUTime( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
|
|
LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow )
|
|
{
|
|
// local variables
|
|
ULONG ulCPUTime = 0;
|
|
ULONG ulElapsedTime = 0;
|
|
LPCWSTR pwszCPUTime = NULL;
|
|
|
|
// if the arrRow parameter is NULL, we need to validate the filter
|
|
if ( arrRow == NULL )
|
|
{
|
|
// validate the filter value and return the result
|
|
if ( TimeFieldsToElapsedTime( pwszValue, L":", ulElapsedTime ) == FALSE )
|
|
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 ( pwszCPUTime == NULL )
|
|
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;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
// Routine Description:
|
|
//
|
|
// Arguments:
|
|
//
|
|
// Return Value:
|
|
// ***************************************************************************
|
|
DWORD FilterUserName( LPCWSTR pwszProperty, LPCWSTR pwszOperator,
|
|
LPCWSTR pwszValue, LPVOID pData, TARRAY arrRow )
|
|
{
|
|
// local variables
|
|
LONG lResult = 0;
|
|
LONG lWildCardPos = 0;
|
|
LPCWSTR pwszTemp = NULL;
|
|
LPCWSTR pwszSearch = NULL;
|
|
BOOL bOnlyUserName = FALSE;
|
|
LPCWSTR pwszUserName = NULL;
|
|
|
|
// check the inputs
|
|
if ( pwszProperty == NULL || pwszOperator == NULL || pwszValue == NULL )
|
|
return F_FILTER_INVALID;
|
|
|
|
// if the arrRow parameter is NULL, we need to validate the filter
|
|
if ( arrRow == NULL )
|
|
{
|
|
// 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 ( lstrlen( pwszValue ) == 0 || StringCompare( pwszValue, L"*", TRUE, 0 ) == 0 )
|
|
return F_FILTER_INVALID;
|
|
|
|
// the wild card character is allowed only at the end
|
|
pwszTemp = _tcschr( pwszValue, L'*' );
|
|
if ( pwszTemp != NULL && lstrlen( 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 ( pwszTemp != NULL )
|
|
{
|
|
// determine the wild card position
|
|
lWildCardPos = lstrlen( pwszValue ) - lstrlen( pwszTemp );
|
|
|
|
// 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 ( lWildCardPos == 0 )
|
|
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 ( pwszTemp == NULL )
|
|
bOnlyUserName = TRUE;
|
|
|
|
// get the user name from the info
|
|
pwszUserName = DynArrayItemAsString( arrRow, TASK_USERNAME );
|
|
if ( pwszUserName == NULL )
|
|
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 ( bOnlyUserName == TRUE )
|
|
{
|
|
// search for the domain and user name seperation character
|
|
pwszTemp = _tcschr( pwszUserName, L'\\' );
|
|
|
|
// position to the next character
|
|
if ( pwszTemp != NULL )
|
|
pwszSearch = pwszTemp + 1;
|
|
}
|
|
|
|
// validate the search string
|
|
if ( pwszSearch == NULL )
|
|
return F_RESULT_REMOVE;
|
|
|
|
// now do the comparision
|
|
lResult = StringCompare( pwszSearch, pwszValue, TRUE, lWildCardPos );
|
|
|
|
//
|
|
// now determine the result value
|
|
if ( lResult == 0 )
|
|
return MASK_EQ;
|
|
else if ( lResult < 0 )
|
|
return MASK_LT;
|
|
else if ( lResult > 0 )
|
|
return MASK_GT;
|
|
|
|
// never come across this situation ... still
|
|
return F_RESULT_REMOVE;
|
|
}
|
|
|
|
// ***************************************************************************
|
|
// Routine Description:
|
|
// This function fetches usage information from resource file and shows it
|
|
//
|
|
// Arguments:
|
|
// NONE
|
|
//
|
|
// Return Value:
|
|
// NONE
|
|
// ***************************************************************************
|
|
VOID CTaskList::Usage()
|
|
{
|
|
// local variables
|
|
DWORD dw = 0;
|
|
|
|
// start displaying the usage
|
|
ShowMessage( stdout, L"\n" );
|
|
for( dw = ID_HELP_START; dw <= ID_HELP_END; dw++ )
|
|
ShowMessage( stdout, GetResString( dw ) );
|
|
}
|