654 lines
14 KiB
C++
654 lines
14 KiB
C++
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/******************************************************************************
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Copyright(c) Microsoft Corporation
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Module Name:
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ScheduledTasks.cpp
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Abstract:
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This module initialises the OLE library,Interfaces, & reads the input data
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from the command line.This module calls the appropriate functions for acheiving
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the functionality of different options.
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Author:
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Raghu B 10-Sep-2000
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Revision History:
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Raghu B 10-Sep-2000 : Created it
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G.Surender Reddy 25-sep-2000 : Modified it
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[ Added error checking ]
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G.Surender Reddy 10-oct-2000 : Modified it
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[ Moved the strings to Resource table ]
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Venu Gopal Choudary 01-Mar-2001 : Modified it
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[ Added -change option]
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Venu Gopal Choudary 12-Mar-2001 : Modified it
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[ Added -run and -end options]
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******************************************************************************/
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//common header files needed for this file
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#include "pch.h"
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#include "CommonHeaderFiles.h"
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//Helper functions used internally from this file
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HRESULT Init( ITaskScheduler **pITaskScheduler );
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VOID displayMainUsage();
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BOOL preProcessOptions( DWORD argc, LPCTSTR argv[], PBOOL pbUsage, PBOOL pbCreate,
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PBOOL pbQuery, PBOOL pbDelete, PBOOL pbChange, PBOOL pbRun, PBOOL pbEnd, PBOOL pbDefVal );
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/******************************************************************************
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Routine Description:
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This function process the options specified in the command line & routes to
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different appropriate options [-create,-query,-delete,-change,-run,-end]
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handling functions.This is the MAIN entry point for this utility.
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Arguments:
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[ in ] argc : The count of arguments specified in the command line
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[ in ] argv : Array of command line arguments
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Return Value :
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A DWORD value indicating EXIT_SUCCESS on success else
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EXIT_FAILURE on failure
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******************************************************************************/
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DWORD _cdecl
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_tmain( DWORD argc, LPCTSTR argv[] )
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{
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// Declaring the main option switches as boolean values
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BOOL bUsage = FALSE;
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BOOL bCreate = FALSE;
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BOOL bQuery = FALSE;
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BOOL bDelete = FALSE;
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BOOL bChange = FALSE;
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BOOL bRun = FALSE;
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BOOL bEnd = FALSE;
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BOOL bDefVal = FALSE;
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DWORD dwRetStatus = EXIT_SUCCESS;
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HRESULT hr = S_OK;
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// Call the preProcessOptions function to find out the option selected by the user
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BOOL bValue = preProcessOptions( argc , argv , &bUsage , &bCreate , &bQuery , &bDelete ,
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&bChange , &bRun , &bEnd , &bDefVal );
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if(bValue == FALSE)
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{
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ReleaseGlobals();
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return EXIT_FAILURE;
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}
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// If ScheduledTasks.exe /?
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if( bUsage && ( bCreate + bQuery + bDelete + bChange + bRun + bEnd ) == 0 )
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{
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displayMainUsage();
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ReleaseGlobals();
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return EXIT_SUCCESS;
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}
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// If ScheduledTasks.exe -create option is selected
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if( bCreate == TRUE)
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{
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hr = CreateScheduledTask( argc, argv );
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ReleaseGlobals();
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if ( FAILED(hr) )
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{
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return EXIT_FAILURE;
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}
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else
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{
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return EXIT_SUCCESS;
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}
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}
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// If ScheduledTasks.exe -Query option is selected
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if( bQuery == TRUE )
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{
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dwRetStatus = QueryScheduledTasks( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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// If ScheduledTasks.exe -delete option is selected
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if( bDelete == TRUE)
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{
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dwRetStatus = DeleteScheduledTask( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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// If ScheduledTasks.exe -change option is selected
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if( bChange == TRUE)
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{
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dwRetStatus = ChangeScheduledTaskParams( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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// If ScheduledTasks.exe -run option is selected
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if( bRun == TRUE)
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{
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dwRetStatus = RunScheduledTask( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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// If ScheduledTasks.exe -end option is selected
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if( bEnd == TRUE)
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{
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dwRetStatus = TerminateScheduledTask( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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// If ScheduledTasks.exe option is selected
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if( bDefVal == TRUE )
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{
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dwRetStatus = QueryScheduledTasks( argc, argv );
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ReleaseGlobals();
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return dwRetStatus;
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}
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ReleaseGlobals();
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return dwRetStatus;
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}
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/******************************************************************************
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Routine Description:
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This function process the options specified in the command line & routes to
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different appropriate functions.
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Arguments:
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[ in ] argc : The count of arguments specified in the command line
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[ in ] argv : Array of command line arguments
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[ out ] pbUsage : pointer to flag for determining [usage] -? option
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[ out ] pbCreate : pointer to flag for determining -create option
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[ out ] pbQuery : pointer to flag for determining -query option
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[ out ] pbDelete : pointer to flag for determining -delete option
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[ out ] pbChange : pointer to flag for determining -change option
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[ out ] pbRun : pointer to flag for determining -run option
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[ out ] pbEnd : pointer to flag for determining -end option
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[ out ] pbDefVal : pointer to flag for determining default value
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Return Value :
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A BOOL value indicating TRUE on success else FALSE
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******************************************************************************/
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BOOL
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preProcessOptions( DWORD argc, LPCTSTR argv[] , PBOOL pbUsage, PBOOL pbCreate,
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PBOOL pbQuery, PBOOL pbDelete , PBOOL pbChange , PBOOL pbRun , PBOOL pbEnd , PBOOL pbDefVal )
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{
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BOOL bOthers = FALSE;
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BOOL bParse = FALSE;
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//fill in the TCMDPARSER array
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TCMDPARSER cmdOptions[] = {
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{
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CMDOPTION_CREATE,
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0,
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OPTION_COUNT,
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0,
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pbCreate,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_QUERY,
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0,
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OPTION_COUNT,
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0,
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pbQuery,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_DELETE,
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0,
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OPTION_COUNT,
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0,
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pbDelete,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_USAGE,
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CP_USAGE ,
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OPTION_COUNT,
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0,
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pbUsage,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_CHANGE,
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0,
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OPTION_COUNT,
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0,
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pbChange,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_RUN,
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0,
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OPTION_COUNT,
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0,
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pbRun,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOPTION_END,
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0,
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OPTION_COUNT,
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0,
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pbEnd,
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NULL_STRING,
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NULL,
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NULL
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},
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{
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CMDOTHEROPTIONS,
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CP_DEFAULT,
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0,
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0,
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&bOthers,
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NULL_STRING,
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NULL,
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NULL
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}
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};
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//if there is an error display app. error message
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if (( ( DoParseParam( argc, argv,SIZE_OF_ARRAY(cmdOptions), cmdOptions ) == FALSE ) &&
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( bParse = TRUE ) ) ||
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((*pbCreate + *pbQuery + *pbDelete + *pbChange + *pbRun + *pbEnd)> 1 ) ||
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( *pbUsage && bOthers ) ||
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(( *pbCreate + *pbQuery + *pbDelete + *pbChange + *pbRun + *pbEnd + *pbUsage ) == 0 )
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)
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{
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if ( bParse == TRUE )
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{
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DISPLAY_MESSAGE( stderr, GetResString(IDS_LOGTYPE_ERROR ));
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DISPLAY_MESSAGE( stderr, GetReason() );
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return FALSE;
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}
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else if ( ( *pbCreate + *pbQuery + *pbDelete + *pbChange + *pbRun + *pbEnd + *pbUsage ) > 1 )
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{
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DISPLAY_MESSAGE( stderr, GetResString(IDS_RES_ERROR ));
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return FALSE;
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}
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else if( *pbCreate == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_CREATE_USAGE));
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return FALSE;
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}
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else if( *pbQuery == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_QUERY_USAGE));
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return FALSE;
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}
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else if( *pbDelete == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_DELETE_SYNERROR));
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return FALSE;
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}
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else if( *pbChange == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_CHANGE_SYNERROR));
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return FALSE;
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}
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else if( *pbRun == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_RUN_SYNERROR));
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return FALSE;
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}
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else if( *pbEnd == TRUE )
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{
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DISPLAY_MESSAGE(stderr, GetResString(IDS_END_SYNERROR));
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return FALSE;
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}
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else if( ( *pbUsage && bOthers ) || ( !( *pbQuery ) && ( bOthers ) ) )
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{
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DISPLAY_MESSAGE( stderr, GetResString(IDS_RES_ERROR ));
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return FALSE;
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}
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else
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{
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*pbDefVal = TRUE;
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}
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}
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return TRUE;
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}
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/******************************************************************************
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Routine Description:
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This function fetches the ITaskScheduler Interface.It also connects to
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the remote machine if specified & helps to operate
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ITaskScheduler on the specified target m/c.
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Arguments:
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[ in ] szServer : server's name
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Return Value :
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ITaskScheduler interface pointer on success else NULL
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******************************************************************************/
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ITaskScheduler*
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GetTaskScheduler( LPCTSTR szServer )
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{
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HRESULT hr = S_OK;
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ITaskScheduler *pITaskScheduler = NULL;
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WCHAR wszComputerName[ MAX_RES_STRING ] = NULL_U_STRING;
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WCHAR wszActualComputerName[ 2 * MAX_RES_STRING ] = DOMAIN_U_STRING;
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wchar_t* pwsz = NULL_U_STRING;
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WORD wSlashCount = 0 ;
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hr = Init( &pITaskScheduler );
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if( FAILED(hr))
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{
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DisplayErrorMsg(hr);
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return NULL;
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}
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//If the operation is on remote machine
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if( lstrlen(szServer) > 0 )
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{
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// Convert the server name specified by the user to wide char or unicode format
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if ( GetAsUnicodeString(szServer,wszComputerName, SIZE_OF_ARRAY(wszComputerName)) == NULL )
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{
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return NULL;
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}
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if( wszComputerName != NULL )
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{
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pwsz = wszComputerName;
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while ( ( *pwsz != NULL_U_CHAR ) && ( *pwsz == BACK_SLASH_U ) )
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{
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pwsz = _wcsinc(pwsz);
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wSlashCount++;
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}
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if( (wSlashCount == 2 ) ) // two back slashes are present
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{
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wcscpy( wszActualComputerName, wszComputerName );
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}
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else if ( wSlashCount == 0 )
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{
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//Append "\\" to computer name
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wcscat(wszActualComputerName,wszComputerName);
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}
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else
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{
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DISPLAY_MESSAGE (stderr, GetResString ( IDS_INVALID_NET_ADDRESS ));
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return NULL;
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}
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}
|
||
|
|
|
||
|
|
hr = pITaskScheduler->SetTargetComputer( wszActualComputerName );
|
||
|
|
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//Local Machine
|
||
|
|
hr = pITaskScheduler->SetTargetComputer( NULL );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( FAILED( hr ) )
|
||
|
|
{
|
||
|
|
DisplayErrorMsg(hr);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pITaskScheduler;
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function initialises the COM library & fetches the ITaskScheduler interface.
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[ in ] pITaskScheduler : double pointer to taskscheduler interface
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
A HRESULT value indicating success code else failure code
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
Init( ITaskScheduler **pITaskScheduler )
|
||
|
|
{
|
||
|
|
// Initalize the HRESULT value.
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
// Bring in the library
|
||
|
|
hr = CoInitializeEx( NULL , COINIT_APARTMENTTHREADED );
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
hr = CoInitializeSecurity(NULL, -1, NULL, NULL,
|
||
|
|
RPC_C_AUTHN_LEVEL_NONE,
|
||
|
|
RPC_C_IMP_LEVEL_IMPERSONATE,
|
||
|
|
NULL, EOAC_NONE, 0 );
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
CoUninitialize();
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Create the pointer to Task Scheduler object
|
||
|
|
// CLSID from the header file mstask.h
|
||
|
|
// Fill the task schdeuler object.
|
||
|
|
hr = CoCreateInstance( CLSID_CTaskScheduler, NULL, CLSCTX_ALL,
|
||
|
|
IID_ITaskScheduler,(LPVOID*) pITaskScheduler );
|
||
|
|
|
||
|
|
// Should we fail, unload the library
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
CoUninitialize();
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function releases the ITaskScheduler & unloads the COM library
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[ in ] pITaskScheduler : pointer to the ITaskScheduler
|
||
|
|
|
||
|
|
Return Value :
|
||
|
|
VOID
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
VOID
|
||
|
|
Cleanup( ITaskScheduler *pITaskScheduler )
|
||
|
|
{
|
||
|
|
if (pITaskScheduler)
|
||
|
|
{
|
||
|
|
pITaskScheduler->Release();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Unload the library, now that our pointer is freed.
|
||
|
|
CoUninitialize();
|
||
|
|
return;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function displays the main usage help of this utility
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
None
|
||
|
|
|
||
|
|
Return Value :
|
||
|
|
VOID
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
VOID
|
||
|
|
displayMainUsage()
|
||
|
|
{
|
||
|
|
|
||
|
|
DisplayUsage( IDS_MAINHLP1, IDS_MAINHLP21);
|
||
|
|
return;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function deletes the .job extension from the task name
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[ in ] lpszTaskName : Task name
|
||
|
|
|
||
|
|
Return Value :
|
||
|
|
None
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
DWORD
|
||
|
|
ParseTaskName( LPTSTR lpszTaskName )
|
||
|
|
{
|
||
|
|
|
||
|
|
if(lpszTaskName == NULL)
|
||
|
|
return ERROR_INVALID_PARAMETER;
|
||
|
|
|
||
|
|
// Remove the .Job extension from the task name
|
||
|
|
lpszTaskName[lstrlen(lpszTaskName ) - lstrlen(JOB) ] = NULL_CHAR;
|
||
|
|
return EXIT_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function displays the appropriate error message w.r.t HRESULT value
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[ in ] hr : An HRESULT value
|
||
|
|
|
||
|
|
Return Value :
|
||
|
|
VOID
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
VOID
|
||
|
|
DisplayErrorMsg(HRESULT hr)
|
||
|
|
{
|
||
|
|
TCHAR szErrorDesc[ MAX_RES_STRING ] = NULL_STRING;
|
||
|
|
TCHAR szErrorString[ 2*MAX_RES_STRING ] = NULL_STRING;
|
||
|
|
|
||
|
|
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, hr,
|
||
|
|
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
||
|
|
szErrorDesc,SIZE_OF_ARRAY(szErrorDesc), NULL);
|
||
|
|
|
||
|
|
//Append ERROR: string in front of the actual error message
|
||
|
|
lstrcpy( szErrorString, GetResString(IDS_ERROR_STRING) );
|
||
|
|
lstrcat( szErrorString,szErrorDesc );
|
||
|
|
DISPLAY_MESSAGE( stderr, szErrorString );
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
/******************************************************************************
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
This function displays the messages for usage of different option
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
[ in ] StartingMessage : First string to display
|
||
|
|
[ in ] EndingMessage : Last string to display
|
||
|
|
|
||
|
|
Return Value :
|
||
|
|
DWORD
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
DWORD DisplayUsage( ULONG StartingMessage, ULONG EndingMessage )
|
||
|
|
{
|
||
|
|
ULONG ulCounter = 0;
|
||
|
|
LPCTSTR lpszCurrentString = NULL;
|
||
|
|
|
||
|
|
for( ulCounter = StartingMessage; ulCounter <= EndingMessage; ulCounter++ )
|
||
|
|
{
|
||
|
|
lpszCurrentString = GetResString( ulCounter );
|
||
|
|
|
||
|
|
if( lpszCurrentString != NULL )
|
||
|
|
{
|
||
|
|
DISPLAY_MESSAGE( stdout, lpszCurrentString );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return ERROR_INVALID_PARAMETER;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
return ERROR_SUCCESS;
|
||
|
|
|
||
|
|
}
|