642 lines
17 KiB
C++
642 lines
17 KiB
C++
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// 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) 1993-1996 Microsoft Corporation. All Rights Reserved.
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//
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// MODULE: service.c
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//
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// PURPOSE: Implements functions required by all services
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// windows.
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//
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// FUNCTIONS:
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// main(int argc, char **argv);
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// service_ctrl(DWORD dwCtrlCode);
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// service_main(DWORD dwArgc, LPTSTR *lpszArgv);
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// CmdInstallService();
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// CmdRemoveService();
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// CmdDebugService(int argc, char **argv);
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// ControlHandler ( DWORD dwCtrlType );
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// GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize );
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//
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// COMMENTS:
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//
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// AUTHOR: Craig Link - Microsoft Developer Support
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//
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <process.h>
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#include <tchar.h>
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#include "service.h"
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#include "bootexp.hxx"
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// internal variables
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SERVICE_STATUS ssStatus; // current status of the service
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SERVICE_STATUS_HANDLE sshStatusHandle;
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DWORD dwErr = 0;
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BOOL bDebug = FALSE;
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TCHAR szErr[256];
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// internal function prototypes
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VOID WINAPI service_ctrl(DWORD dwCtrlCode);
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VOID WINAPI service_main(DWORD dwArgc, LPTSTR *lpszArgv);
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VOID CmdInstallService();
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VOID CmdRemoveService();
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VOID CmdDebugService(int argc, char **argv);
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BOOL WINAPI ControlHandler ( DWORD dwCtrlType );
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LPTSTR GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize );
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//
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// FUNCTION: main
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//
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// PURPOSE: entrypoint for service
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//
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// PARAMETERS:
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// argc - number of command line arguments
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// argv - array of command line arguments
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//
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// RETURN VALUE:
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// none
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//
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// COMMENTS:
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// main() either performs the command line task, or
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// call StartServiceCtrlDispatcher to register the
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// main service thread. When the this call returns,
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// the service has stopped, so exit.
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//
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void __cdecl main(int argc, char **argv)
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{
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SERVICE_TABLE_ENTRY dispatchTable[] =
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{
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{ TEXT(SZSERVICENAME), (LPSERVICE_MAIN_FUNCTION)service_main },
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{ NULL, NULL }
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};
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if ( (argc > 1) &&
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((*argv[1] == '-') || (*argv[1] == '/')) )
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{
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if ( _stricmp( "install", argv[1]+1 ) == 0 )
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{
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CmdInstallService();
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}
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else if ( _stricmp( "remove", argv[1]+1 ) == 0 )
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{
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CmdRemoveService();
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}
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else if ( _stricmp( "register", argv[1]+1 ) == 0 )
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{
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BootDllRegisterServer();
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}
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else if ( _stricmp( "unregister", argv[1]+1 ) == 0 )
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{
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BootDllUnregisterServer();
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}
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else if ( _stricmp( "debug", argv[1]+1 ) == 0 )
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{
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bDebug = TRUE;
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CmdDebugService(argc, argv);
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}
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else
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{
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goto dispatch;
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}
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exit(0);
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}
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// if it doesn't match any of the above parameters
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// the service control manager may be starting the service
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// so we must call StartServiceCtrlDispatcher
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dispatch:
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// this is just to be friendly
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printf( "%s -install to install the service\n", SZAPPNAME );
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printf( "%s -remove to remove the service\n", SZAPPNAME );
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printf( "%s -debug <params> to run as a console app for debugging\n", SZAPPNAME );
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printf( "\nStartServiceCtrlDispatcher being called.\n" );
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printf( "This may take several seconds. Please wait.\n" );
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if (!StartServiceCtrlDispatcher(dispatchTable))
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AddToMessageLog(TEXT("StartServiceCtrlDispatcher failed."));
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}
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//
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// FUNCTION: service_main
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//
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// PURPOSE: To perform actual initialization of the service
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//
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// PARAMETERS:
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// dwArgc - number of command line arguments
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// lpszArgv - array of command line arguments
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//
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// RETURN VALUE:
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// none
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//
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// COMMENTS:
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// This routine performs the service initialization and then calls
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// the user defined ServiceStart() routine to perform majority
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// of the work.
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//
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void WINAPI service_main(DWORD dwArgc, LPTSTR *lpszArgv)
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{
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// register our service control handler:
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//
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sshStatusHandle = RegisterServiceCtrlHandler( TEXT(SZSERVICENAME), service_ctrl);
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if (!sshStatusHandle)
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goto cleanup;
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// SERVICE_STATUS members that don't change in example
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//
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ssStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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ssStatus.dwServiceSpecificExitCode = 0;
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// report the status to the service control manager.
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//
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if (!ReportStatusToSCMgr(
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SERVICE_START_PENDING, // service state
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NO_ERROR, // exit code
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SERVICE_UPDATE_WAIT_HINT )) // wait hint
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goto cleanup;
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ServiceStart( dwArgc, lpszArgv );
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cleanup:
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// try to report the stopped status to the service control manager.
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//
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if (sshStatusHandle)
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(VOID)ReportStatusToSCMgr(
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SERVICE_STOPPED,
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dwErr,
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0);
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return;
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}
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//
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// FUNCTION: service_ctrl
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//
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// PURPOSE: This function is called by the SCM whenever
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// ControlService() is called on this service.
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//
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// PARAMETERS:
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// dwCtrlCode - type of control requested
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//
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// RETURN VALUE:
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// none
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//
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// COMMENTS:
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//
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VOID WINAPI service_ctrl(DWORD dwCtrlCode)
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{
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// Handle the requested control code.
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//
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switch(dwCtrlCode)
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{
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// Stop the service.
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//
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// SERVICE_STOP_PENDING should be reported before
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// setting the Stop Event - hServerStopEvent - in
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// ServiceStop(). This avoids a race condition
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// which may result in a 1053 - The Service did not respond...
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// error.
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case SERVICE_CONTROL_STOP:
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ReportStatusToSCMgr(SERVICE_STOP_PENDING, NO_ERROR, SERVICE_UPDATE_WAIT_HINT);
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ServiceStop();
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return;
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// Update the service status.
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//
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case SERVICE_CONTROL_INTERROGATE:
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break;
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// invalid control code
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//
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default:
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break;
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}
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ReportStatusToSCMgr(ssStatus.dwCurrentState, NO_ERROR, 0);
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}
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//
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// FUNCTION: ReportStatusToSCMgr()
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//
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// PURPOSE: Sets the current status of the service and
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// reports it to the Service Control Manager
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//
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// PARAMETERS:
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// dwCurrentState - the state of the service
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// dwWin32ExitCode - error code to report
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// dwWaitHint - worst case estimate to next checkpoint
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//
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// RETURN VALUE:
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// TRUE - success
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// FALSE - failure
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//
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// COMMENTS:
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//
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BOOL ReportStatusToSCMgr(DWORD dwCurrentState,
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DWORD dwWin32ExitCode,
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DWORD dwWaitHint)
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{
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static DWORD dwCheckPoint = 1;
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BOOL fResult = TRUE;
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if ( !bDebug ) // when debugging we don't report to the SCM
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{
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if (dwCurrentState == SERVICE_START_PENDING)
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ssStatus.dwControlsAccepted = 0;
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else
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ssStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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ssStatus.dwCurrentState = dwCurrentState;
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ssStatus.dwWin32ExitCode = dwWin32ExitCode;
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ssStatus.dwWaitHint = dwWaitHint;
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if ( ( dwCurrentState == SERVICE_RUNNING ) ||
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( dwCurrentState == SERVICE_STOPPED ) )
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ssStatus.dwCheckPoint = 0;
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else
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ssStatus.dwCheckPoint = dwCheckPoint++;
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// Report the status of the service to the service control manager.
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//
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if (!(fResult = SetServiceStatus( sshStatusHandle, &ssStatus))) {
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AddToMessageLog(TEXT("SetServiceStatus"));
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}
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}
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return fResult;
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}
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//
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// FUNCTION: AddToMessageLog(LPTSTR lpszMsg)
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//
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// PURPOSE: Allows any thread to log an error message
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//
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// PARAMETERS:
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// lpszMsg - text for message
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//
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// RETURN VALUE:
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// none
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//
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// COMMENTS:
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//
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VOID AddToMessageLog(LPTSTR lpszMsg)
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{
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TCHAR szMsg[256];
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HANDLE hEventSource;
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LPTSTR lpszStrings[2];
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if ( !bDebug )
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{
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dwErr = GetLastError();
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// Use event logging to log the error.
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//
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hEventSource = RegisterEventSource(NULL, TEXT(SZSERVICENAME));
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_stprintf(szMsg, TEXT("%s error: %d"), TEXT(SZSERVICENAME), dwErr);
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lpszStrings[0] = szMsg;
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lpszStrings[1] = lpszMsg;
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if (hEventSource != NULL) {
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ReportEvent(hEventSource, // handle of event source
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EVENTLOG_ERROR_TYPE, // event type
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0, // event category
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0, // event ID
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NULL, // current user's SID
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2, // strings in lpszStrings
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0, // no bytes of raw data
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(const char **)lpszStrings, // array of error strings
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NULL); // no raw data
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(VOID) DeregisterEventSource(hEventSource);
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}
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}
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}
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///////////////////////////////////////////////////////////////////
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//
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// The following code handles service installation and removal
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//
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//
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// FUNCTION: CmdInstallService()
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//
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// PURPOSE: Installs the service
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//
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// PARAMETERS:
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// none
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//
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// RETURN VALUE:
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// none
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//
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// COMMENTS:
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//
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void CmdInstallService()
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{
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SC_HANDLE schService;
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SC_HANDLE schSCManager;
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TCHAR szPath[512];
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if ( GetModuleFileName( NULL, szPath, 512 ) == 0 )
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{
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_tprintf(TEXT("Unable to install %s - %s\n"), TEXT(SZSERVICEDISPLAYNAME), GetLastErrorText(szErr, 256));
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return;
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}
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schSCManager = OpenSCManager(
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NULL, // machine (NULL == local)
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NULL, // database (NULL == default)
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SC_MANAGER_ALL_ACCESS // access required
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);
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if ( schSCManager )
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{
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schService = CreateService(
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schSCManager, // SCManager database
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TEXT(SZSERVICENAME), // name of service
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TEXT(SZSERVICEDISPLAYNAME), // name to display
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SERVICE_ALL_ACCESS, // desired access
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SERVICE_WIN32_OWN_PROCESS, // service type
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SERVICE_DEMAND_START, // start type
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SERVICE_ERROR_NORMAL, // error control type
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szPath, // service's binary
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NULL, // no load ordering group
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NULL, // no tag identifier
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TEXT(SZDEPENDENCIES), // dependencies
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NULL, // LocalSystem account
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NULL); // no password
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if ( schService )
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{
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_tprintf(TEXT("%s installed.\n"), TEXT(SZSERVICEDISPLAYNAME) );
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CloseServiceHandle(schService);
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}
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else
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{
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_tprintf(TEXT("CreateService failed - %s\n"), GetLastErrorText(szErr, 256));
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}
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schService = CreateService(
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schSCManager, // SCManager database
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TEXT(SZDRIVERNAME), // name of service
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TEXT(SZDRIVERDISPLAYNAME), // name to display
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SERVICE_ALL_ACCESS, // desired access
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SERVICE_KERNEL_DRIVER, // service type
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SERVICE_DEMAND_START, // start type
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|
|
SERVICE_ERROR_NORMAL, // error control type
|
||
|
|
TEXT(SZDRIVERPATH), // service's binary
|
||
|
|
NULL, // no load ordering group
|
||
|
|
NULL, // no tag identifier
|
||
|
|
TEXT(SZDEPENDENCIES), // dependencies
|
||
|
|
NULL, // LocalSystem account
|
||
|
|
NULL); // no password
|
||
|
|
|
||
|
|
if ( schService )
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("%s (driver) installed.\n"), TEXT(SZDRIVERDISPLAYNAME) );
|
||
|
|
CloseServiceHandle(schService);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("CreateService for driver failed - %s\n"), GetLastErrorText(szErr, 256));
|
||
|
|
}
|
||
|
|
|
||
|
|
CloseServiceHandle(schSCManager);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
_tprintf(TEXT("OpenSCManager failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// FUNCTION: CmdRemoveService()
|
||
|
|
//
|
||
|
|
// PURPOSE: Stops and removes the service
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
// none
|
||
|
|
//
|
||
|
|
// RETURN VALUE:
|
||
|
|
// none
|
||
|
|
//
|
||
|
|
// COMMENTS:
|
||
|
|
//
|
||
|
|
void CmdRemoveService()
|
||
|
|
{
|
||
|
|
SC_HANDLE schService;
|
||
|
|
SC_HANDLE schSCManager;
|
||
|
|
|
||
|
|
schSCManager = OpenSCManager(
|
||
|
|
NULL, // machine (NULL == local)
|
||
|
|
NULL, // database (NULL == default)
|
||
|
|
SC_MANAGER_ALL_ACCESS // access required
|
||
|
|
);
|
||
|
|
if ( schSCManager )
|
||
|
|
{
|
||
|
|
schService = OpenService(schSCManager, TEXT(SZSERVICENAME), SERVICE_ALL_ACCESS);
|
||
|
|
|
||
|
|
if (schService)
|
||
|
|
{
|
||
|
|
// try to stop the service
|
||
|
|
if ( ControlService( schService, SERVICE_CONTROL_STOP, &ssStatus ) )
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("Stopping %s."), TEXT(SZSERVICEDISPLAYNAME));
|
||
|
|
Sleep( 1000 );
|
||
|
|
|
||
|
|
while( QueryServiceStatus( schService, &ssStatus ) )
|
||
|
|
{
|
||
|
|
if ( ssStatus.dwCurrentState == SERVICE_STOP_PENDING )
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("."));
|
||
|
|
Sleep( 1000 );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ssStatus.dwCurrentState == SERVICE_STOPPED )
|
||
|
|
_tprintf(TEXT("\n%s stopped.\n"), TEXT(SZSERVICEDISPLAYNAME) );
|
||
|
|
else
|
||
|
|
_tprintf(TEXT("\n%s failed to stop.\n"), TEXT(SZSERVICEDISPLAYNAME) );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// now remove the service
|
||
|
|
if( DeleteService(schService) )
|
||
|
|
_tprintf(TEXT("%s removed.\n"), TEXT(SZSERVICEDISPLAYNAME) );
|
||
|
|
else
|
||
|
|
_tprintf(TEXT("DeleteService failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
|
||
|
|
CloseServiceHandle(schService);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("OpenService failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
}
|
||
|
|
|
||
|
|
schService = OpenService(schSCManager, TEXT(SZDRIVERNAME), SERVICE_ALL_ACCESS);
|
||
|
|
|
||
|
|
if (schService)
|
||
|
|
{
|
||
|
|
// now remove the service
|
||
|
|
if( DeleteService(schService) )
|
||
|
|
_tprintf(TEXT("%s (driver) removed.\n"), TEXT(SZDRIVERDISPLAYNAME) );
|
||
|
|
else
|
||
|
|
_tprintf(TEXT("DeleteService for driver failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
|
||
|
|
CloseServiceHandle(schService);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_tprintf(TEXT("OpenService failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
CloseServiceHandle(schSCManager);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
_tprintf(TEXT("OpenSCManager failed - %s\n"), GetLastErrorText(szErr,256));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// The following code is for running the service as a console app
|
||
|
|
//
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// FUNCTION: CmdDebugService(int argc, char ** argv)
|
||
|
|
//
|
||
|
|
// PURPOSE: Runs the service as a console application
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
// argc - number of command line arguments
|
||
|
|
// argv - array of command line arguments
|
||
|
|
//
|
||
|
|
// RETURN VALUE:
|
||
|
|
// none
|
||
|
|
//
|
||
|
|
// COMMENTS:
|
||
|
|
//
|
||
|
|
void CmdDebugService(int argc, char ** argv)
|
||
|
|
{
|
||
|
|
DWORD dwArgc;
|
||
|
|
LPTSTR *lpszArgv;
|
||
|
|
|
||
|
|
#ifdef UNICODE
|
||
|
|
lpszArgv = CommandLineToArgvW(GetCommandLineW(), &(dwArgc) );
|
||
|
|
#else
|
||
|
|
dwArgc = (DWORD) argc;
|
||
|
|
lpszArgv = argv;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
_tprintf(TEXT("Debugging %s.\n"), TEXT(SZSERVICEDISPLAYNAME));
|
||
|
|
|
||
|
|
SetConsoleCtrlHandler( ControlHandler, TRUE );
|
||
|
|
|
||
|
|
ServiceStart( dwArgc, lpszArgv );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// FUNCTION: ControlHandler ( DWORD dwCtrlType )
|
||
|
|
//
|
||
|
|
// PURPOSE: Handled console control events
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
// dwCtrlType - type of control event
|
||
|
|
//
|
||
|
|
// RETURN VALUE:
|
||
|
|
// True - handled
|
||
|
|
// False - unhandled
|
||
|
|
//
|
||
|
|
// COMMENTS:
|
||
|
|
//
|
||
|
|
BOOL WINAPI ControlHandler ( DWORD dwCtrlType )
|
||
|
|
{
|
||
|
|
switch( dwCtrlType )
|
||
|
|
{
|
||
|
|
case CTRL_BREAK_EVENT: // use Ctrl+C or Ctrl+Break to simulate
|
||
|
|
case CTRL_C_EVENT: // SERVICE_CONTROL_STOP in debug mode
|
||
|
|
_tprintf(TEXT("Stopping %s.\n"), TEXT(SZSERVICEDISPLAYNAME));
|
||
|
|
ServiceStop();
|
||
|
|
return TRUE;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// FUNCTION: GetLastErrorText
|
||
|
|
//
|
||
|
|
// PURPOSE: copies error message text to string
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
// lpszBuf - destination buffer
|
||
|
|
// dwSize - size of buffer
|
||
|
|
//
|
||
|
|
// RETURN VALUE:
|
||
|
|
// destination buffer
|
||
|
|
//
|
||
|
|
// COMMENTS:
|
||
|
|
//
|
||
|
|
LPTSTR GetLastErrorText( LPTSTR lpszBuf, DWORD dwSize )
|
||
|
|
{
|
||
|
|
DWORD dwRet;
|
||
|
|
LPTSTR lpszTemp = NULL;
|
||
|
|
|
||
|
|
dwRet = FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |FORMAT_MESSAGE_ARGUMENT_ARRAY,
|
||
|
|
NULL,
|
||
|
|
GetLastError(),
|
||
|
|
LANG_NEUTRAL,
|
||
|
|
(LPTSTR)&lpszTemp,
|
||
|
|
0,
|
||
|
|
NULL );
|
||
|
|
|
||
|
|
// supplied buffer is not long enough
|
||
|
|
if ( !dwRet || ( (long)dwSize < (long)dwRet+14 ) )
|
||
|
|
lpszBuf[0] = TEXT('\0');
|
||
|
|
else
|
||
|
|
{
|
||
|
|
lpszTemp[lstrlen(lpszTemp)-2] = TEXT('\0'); //remove cr and newline character
|
||
|
|
_stprintf( lpszBuf, TEXT("%s (0x%x)"), lpszTemp, GetLastError() );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( lpszTemp )
|
||
|
|
LocalFree((HLOCAL) lpszTemp );
|
||
|
|
|
||
|
|
return lpszBuf;
|
||
|
|
}
|