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![Thomas Faber](/assets/img/avatar_default.png)
Courtesy of VS Code Analysis warning C6064: Missing integer argument to 'DbgPrint' that corresponds to conversion specifier 'N'.
140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
/*
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* PROJECT: ReactOS Update Service
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Automatic Updates service stub.
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* Stub is required for some application at the installation phase.
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* COPYRIGHT: Copyright 2018 Denis Malikov (filedem@gmail.com)
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*/
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#include "wuauserv.h"
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/* GLOBALS ******************************************************************/
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static WCHAR ServiceName[] = L"wuauserv";
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static SERVICE_STATUS_HANDLE ServiceStatusHandle;
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static SERVICE_STATUS ServiceStatus;
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static HANDLE hStopEvent = NULL;
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/* FUNCTIONS *****************************************************************/
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static VOID
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UpdateServiceStatus(DWORD dwState)
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{
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ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
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ServiceStatus.dwCurrentState = dwState;
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ServiceStatus.dwControlsAccepted = 0;
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ServiceStatus.dwWin32ExitCode = 0;
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ServiceStatus.dwServiceSpecificExitCode = 0;
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ServiceStatus.dwCheckPoint = 0;
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if (dwState == SERVICE_START_PENDING ||
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dwState == SERVICE_STOP_PENDING ||
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dwState == SERVICE_PAUSE_PENDING ||
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dwState == SERVICE_CONTINUE_PENDING)
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ServiceStatus.dwWaitHint = 1000;
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else
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ServiceStatus.dwWaitHint = 0;
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if (dwState == SERVICE_RUNNING)
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ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
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SetServiceStatus(ServiceStatusHandle,
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&ServiceStatus);
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DPRINT1("WU UpdateServiceStatus() called\n");
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}
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static DWORD WINAPI
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ServiceControlHandler(DWORD dwControl,
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DWORD dwEventType,
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LPVOID lpEventData,
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LPVOID lpContext)
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{
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switch (dwControl)
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{
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case SERVICE_CONTROL_STOP:
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DPRINT1("WU ServiceControlHandler() SERVICE_CONTROL_STOP received\n");
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SetEvent(hStopEvent);
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UpdateServiceStatus(SERVICE_STOP_PENDING);
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return ERROR_SUCCESS;
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case SERVICE_CONTROL_PAUSE:
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DPRINT1("WU ServiceControlHandler() SERVICE_CONTROL_PAUSE received\n");
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UpdateServiceStatus(SERVICE_PAUSED);
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return ERROR_SUCCESS;
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case SERVICE_CONTROL_CONTINUE:
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DPRINT1("WU ServiceControlHandler() SERVICE_CONTROL_CONTINUE received\n");
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UpdateServiceStatus(SERVICE_RUNNING);
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return ERROR_SUCCESS;
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case SERVICE_CONTROL_INTERROGATE:
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DPRINT1("WU ServiceControlHandler() SERVICE_CONTROL_INTERROGATE received\n");
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SetServiceStatus(ServiceStatusHandle,
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&ServiceStatus);
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return ERROR_SUCCESS;
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case SERVICE_CONTROL_SHUTDOWN:
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DPRINT1("WU ServiceControlHandler() SERVICE_CONTROL_SHUTDOWN received\n");
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SetEvent(hStopEvent);
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UpdateServiceStatus(SERVICE_STOP_PENDING);
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return ERROR_SUCCESS;
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default :
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DPRINT1("WU ServiceControlHandler() Control %lu received\n", dwControl);
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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}
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VOID WINAPI
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ServiceMain(DWORD argc, LPTSTR *argv)
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{
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UNREFERENCED_PARAMETER(argc);
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UNREFERENCED_PARAMETER(argv);
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DPRINT("WU ServiceMain() called\n");
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ServiceStatusHandle = RegisterServiceCtrlHandlerExW(ServiceName,
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ServiceControlHandler,
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NULL);
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if (!ServiceStatusHandle)
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{
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DPRINT1("RegisterServiceCtrlHandlerExW() failed! (Error %lu)\n", GetLastError());
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return;
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}
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hStopEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
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if (hStopEvent == NULL)
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{
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DPRINT1("CreateEvent() failed! (Error %lu)\n", GetLastError());
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goto done;
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}
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UpdateServiceStatus(SERVICE_RUNNING);
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WaitForSingleObject(hStopEvent, INFINITE);
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CloseHandle(hStopEvent);
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done:
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UpdateServiceStatus(SERVICE_STOPPED);
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}
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BOOL WINAPI
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DllMain(HINSTANCE hinstDLL,
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DWORD fdwReason,
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LPVOID lpvReserved)
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{
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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DisableThreadLibraryCalls(hinstDLL);
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break;
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case DLL_PROCESS_DETACH:
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break;
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}
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return TRUE;
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}
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