413 lines
13 KiB
C++
413 lines
13 KiB
C++
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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// PARTICULAR PURPOSE.
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//
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// Copyright (c) Microsoft Corporation. All rights reserved
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// The example companies, organizations, products, domain names,
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// e-mail addresses, logos, people, places, and events depicted herein are fictitious.
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// No association with any real company, organization, product, domain name,
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// email address, logo, person, places, or events is intended or should be inferred.
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#define _WIN32_DCOM
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#include <windows.h>
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#include <stdio.h>
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#include <comdef.h>
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#include <wincred.h>
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// Include the task header file.
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#include "taskschd.h"
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# pragma comment(lib, "taskschd.lib")
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# pragma comment(lib, "comsupp.lib")
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# pragma comment(lib, "credui.lib")
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/********************************************************************
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This sample schedules a task to start notepad.exe 30 seconds after
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the system is booted.
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********************************************************************/
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int __cdecl wmain()
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{
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// ------------------------------------------------------
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// Initialize COM.
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HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
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if( FAILED(hr) )
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{
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printf("\nCoInitializeEx failed: %x", hr );
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return 1;
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}
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// Set general COM security levels.
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hr = CoInitializeSecurity(
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NULL,
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-1,
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NULL,
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NULL,
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RPC_C_AUTHN_LEVEL_PKT_PRIVACY,
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RPC_C_IMP_LEVEL_IMPERSONATE,
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NULL,
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0,
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NULL);
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if( FAILED(hr) )
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{
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printf("\nCoInitializeSecurity failed: %x", hr );
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Create a name for the task.
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LPCWSTR wszTaskName = L"Event Trigger Test Task";
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// ------------------------------------------------------
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// Create an instance of the Task Service.
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ITaskService *pService = NULL;
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hr = CoCreateInstance( CLSID_TaskScheduler,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_ITaskService,
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(void**)&pService );
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if (FAILED(hr))
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{
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printf("\nFailed to CoCreate an instance of the TaskService class: %x", hr);
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CoUninitialize();
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return 1;
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}
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// Connect to the task service.
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hr = pService->Connect(_variant_t(), _variant_t(),
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_variant_t(), _variant_t());
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if( FAILED(hr) )
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{
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printf("\nITaskService::Connect failed: %x", hr );
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pService->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Get the pointer to the root task folder. This folder will hold the
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// new task that is registered.
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ITaskFolder *pRootFolder = NULL;
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hr = pService->GetFolder( _bstr_t( L"\\") , &pRootFolder );
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if( FAILED(hr) )
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{
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printf("\nCannot get Root Folder pointer: %x", hr );
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pService->Release();
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CoUninitialize();
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return 1;
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}
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// If the same task exists, remove it.
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pRootFolder->DeleteTask( _bstr_t( wszTaskName), 0 );
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// Create the task builder object to create the task.
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ITaskDefinition *pTask = NULL;
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hr = pService->NewTask( 0, &pTask );
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pService->Release(); // COM clean up. Pointer is no longer used.
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if (FAILED(hr))
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{
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printf("\nFailed to create an instance of the task: %x", hr);
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pRootFolder->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Get the registration info for setting the identification.
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IRegistrationInfo *pRegInfo= NULL;
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hr = pTask->get_RegistrationInfo( &pRegInfo );
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if( FAILED(hr) )
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{
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printf("\nCannot get identification pointer: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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hr = pRegInfo->put_Author( L"Author Name" );
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pRegInfo->Release(); // COM clean up. Pointer is no longer used.
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if( FAILED(hr) )
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{
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printf("\nCannot put identification info: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Create the settings for the task
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ITaskSettings *pSettings = NULL;
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hr = pTask->get_Settings( &pSettings );
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if( FAILED(hr) )
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{
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printf("\nCannot get settings pointer: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// Set setting values for the task.
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hr = pSettings->put_StartWhenAvailable(VARIANT_BOOL(true));
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pSettings->Release(); // COM clean up. Pointer is no longer used.
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if( FAILED(hr) )
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{
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printf("\nCannot put setting info: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Get the trigger collection to insert the event trigger.
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ITriggerCollection *pTriggerCollection = NULL;
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hr = pTask->get_Triggers( &pTriggerCollection );
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if( FAILED(hr) )
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{
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printf("\nCannot get trigger collection: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// Create the event trigger for the task.
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ITrigger *pTrigger = NULL;
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hr = pTriggerCollection->Create( TASK_TRIGGER_EVENT, &pTrigger );
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pTriggerCollection->Release();
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if( FAILED(hr) )
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{
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printf("\nCannot create the trigger: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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IEventTrigger *pEventTrigger = NULL;
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hr = pTrigger->QueryInterface(
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IID_IEventTrigger, (void**) &pEventTrigger );
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pTrigger->Release();
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if( FAILED(hr) )
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{
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printf("\nQueryInterface call on IEventTrigger failed: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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hr = pEventTrigger->put_Id( _bstr_t( L"Trigger1" ) );
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if( FAILED(hr) )
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printf("\nCannot put the trigger ID: %x", hr);
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// Set the task to start at a certain time. The time
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// format should be YYYY-MM-DDTHH:MM:SS(+-)(timezone).
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// For example, the start boundary below
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// is January 1st 2005 at 12:05
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hr = pEventTrigger->put_StartBoundary( _bstr_t(L"2005-01-01T12:05:00") );
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if( FAILED(hr) )
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printf("\nCannot put the trigger start boundary: %x", hr);
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hr = pEventTrigger->put_EndBoundary( _bstr_t(L"2015-05-02T08:00:00") );
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if( FAILED(hr) )
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printf("\nCannot put the trigger end boundary: %x", hr);
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// Define the delay for the event trigger (30 seconds).
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hr = pEventTrigger->put_Delay( L"PT30S" );
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if( FAILED(hr) )
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printf("\nCannot put the trigger delay: %x", hr);
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// Define the event query for the event trigger.
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// The following query string defines a subscription to all
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// level 2 events in the System channel.
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hr = pEventTrigger->put_Subscription(
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L"<QueryList> <Query Id='1'> <Select Path='System'>*[System/Level=2]</Select></Query></QueryList>" );
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pEventTrigger->Release();
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if( FAILED(hr) )
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{
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printf("\nCannot put the event query: %x", hr);
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Add an action to the task. This task will send an e-mail.
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IActionCollection *pActionCollection = NULL;
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// Get the task action collection pointer.
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hr = pTask->get_Actions( &pActionCollection );
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if( FAILED(hr) )
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{
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printf("\nCannot get action collection pointer: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// Create the action, specifying that it will send an e-mail.
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IAction *pAction = NULL;
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hr = pActionCollection->Create( TASK_ACTION_SEND_EMAIL, &pAction );
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pActionCollection->Release();
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if( FAILED(hr) )
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{
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printf("\nCannot create an e-mail action: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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IEmailAction *pEmailAction = NULL;
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// QI for the e-mail task pointer.
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hr = pAction->QueryInterface(IID_IEmailAction, (void**) &pEmailAction );
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pAction->Release();
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if( FAILED(hr) )
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{
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printf("\nQueryInterface call failed for IEmailAction: %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// Set the properties of the e-mail action.
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hr = pEmailAction->put_From(L"Alice@tschd.microsoft.com");
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if( FAILED(hr) )
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{
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printf("\nCannot put From information: %x", hr );
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pRootFolder->Release();
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pEmailAction->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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hr = pEmailAction->put_To(L"Bob@tschd.microsoft.com");
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if( FAILED(hr) )
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{
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printf("\nCannot put To information: %x", hr );
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pRootFolder->Release();
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pEmailAction->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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hr = pEmailAction->put_Server(L"smtp.tschd.microsoft.com");
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if( FAILED(hr) )
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{
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printf("\nCannot put SMTP server information: %x", hr );
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pRootFolder->Release();
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pEmailAction->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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hr = pEmailAction->put_Subject(L"An event has occurred");
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if( FAILED(hr) )
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printf("\nCannot put the subject information: %x", hr);
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hr = pEmailAction->put_Body(L"A level 2 event occurred in the system channel.");
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if( FAILED(hr) )
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printf("\nCannot put the e-mail body information: %x", hr);
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pEmailAction->Release();
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// ------------------------------------------------------
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// Securely get the user name and password. The task will
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// be created to run with the credentials from the supplied
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// user name and password.
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CREDUI_INFO cui;
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TCHAR pszName[CREDUI_MAX_USERNAME_LENGTH] = TEXT("");
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TCHAR pszPwd[CREDUI_MAX_PASSWORD_LENGTH] = TEXT("");
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BOOL fSave;
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DWORD dwErr;
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cui.cbSize = sizeof(CREDUI_INFO);
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cui.hwndParent = NULL;
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// Ensure that MessageText and CaptionText identify
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// what credentials to use and which application requires them.
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cui.pszMessageText = TEXT("Account information for task registration:");
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cui.pszCaptionText = TEXT("Enter Account Information for Task Registration");
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cui.hbmBanner = NULL;
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fSave = FALSE;
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// Create the UI asking for the credentials.
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dwErr = CredUIPromptForCredentials(
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&cui, // CREDUI_INFO structure
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TEXT(""), // Target for credentials
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NULL, // Reserved
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0, // Reason
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pszName, // User name
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CREDUI_MAX_USERNAME_LENGTH, // Max number for user name
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pszPwd, // Password
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CREDUI_MAX_PASSWORD_LENGTH, // Max number for password
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&fSave, // State of save check box
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CREDUI_FLAGS_GENERIC_CREDENTIALS | // Flags
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CREDUI_FLAGS_ALWAYS_SHOW_UI |
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CREDUI_FLAGS_DO_NOT_PERSIST);
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if(dwErr)
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{
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printf("\nDid not get credentials.");
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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return 1;
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}
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// ------------------------------------------------------
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// Save the task in the root folder.
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IRegisteredTask *pRegisteredTask = NULL;
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hr = pRootFolder->RegisterTaskDefinition(
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_bstr_t( wszTaskName ),
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pTask,
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TASK_CREATE_OR_UPDATE,
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_variant_t(_bstr_t(pszName)),
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_variant_t(_bstr_t(pszPwd)),
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TASK_LOGON_PASSWORD,
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_variant_t(L""),
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&pRegisteredTask);
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if( FAILED(hr) )
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{
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printf("\nError saving the Task : %x", hr );
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pRootFolder->Release();
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pTask->Release();
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CoUninitialize();
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SecureZeroMemory(pszName, sizeof(pszName));
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SecureZeroMemory(pszPwd, sizeof(pszPwd));
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return 1;
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}
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printf("\n Success! Task successfully registered. " );
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// Clean up.
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pRootFolder->Release();
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pTask->Release();
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pRegisteredTask->Release();
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CoUninitialize();
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// When you have finished using the credentials,
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// erase them from memory.
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SecureZeroMemory(pszName, sizeof(pszName));
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SecureZeroMemory(pszPwd, sizeof(pszPwd));
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return 0;
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}
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