reactos/base/services/wmisvc/wmisvc.c

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/*
* ReactOS Services
* Copyright (C) 2015 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Services
* FILE: base/services/wmisvc/wmisvc.c
* PURPOSE: WMI service
* PROGRAMMER: Pierre Schweitzer
*/
/* INCLUDES *****************************************************************/
#define WIN32_NO_STATUS
#define _INC_WINDOWS
#define COM_NO_WINDOWS_H
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winreg.h>
#include <winsvc.h>
#define NDEBUG
#include <debug.h>
/* GLOBALS ******************************************************************/
static WCHAR ServiceName[] = L"winmgmt";
static SERVICE_STATUS_HANDLE ServiceStatusHandle;
static SERVICE_STATUS ServiceStatus;
static HANDLE hStopEvent = NULL;
/* FUNCTIONS *****************************************************************/
static VOID
UpdateServiceStatus(DWORD dwState)
{
ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
ServiceStatus.dwCurrentState = dwState;
ServiceStatus.dwControlsAccepted = 0;
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwServiceSpecificExitCode = 0;
ServiceStatus.dwCheckPoint = 0;
if (dwState == SERVICE_START_PENDING ||
dwState == SERVICE_STOP_PENDING ||
dwState == SERVICE_PAUSE_PENDING ||
dwState == SERVICE_CONTINUE_PENDING)
ServiceStatus.dwWaitHint = 10000;
else
ServiceStatus.dwWaitHint = 0;
if (dwState == SERVICE_RUNNING)
ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
SetServiceStatus(ServiceStatusHandle,
&ServiceStatus);
}
static DWORD WINAPI
ServiceControlHandler(DWORD dwControl,
DWORD dwEventType,
LPVOID lpEventData,
LPVOID lpContext)
{
DPRINT1("ServiceControlHandler() called\n");
switch (dwControl)
{
case SERVICE_CONTROL_STOP:
DPRINT1(" SERVICE_CONTROL_STOP received\n");
SetEvent(hStopEvent);
UpdateServiceStatus(SERVICE_STOP_PENDING);
return ERROR_SUCCESS;
case SERVICE_CONTROL_PAUSE:
DPRINT1(" SERVICE_CONTROL_PAUSE received\n");
UpdateServiceStatus(SERVICE_PAUSED);
return ERROR_SUCCESS;
case SERVICE_CONTROL_CONTINUE:
DPRINT1(" SERVICE_CONTROL_CONTINUE received\n");
UpdateServiceStatus(SERVICE_RUNNING);
return ERROR_SUCCESS;
case SERVICE_CONTROL_INTERROGATE:
DPRINT1(" SERVICE_CONTROL_INTERROGATE received\n");
SetServiceStatus(ServiceStatusHandle,
&ServiceStatus);
return ERROR_SUCCESS;
case SERVICE_CONTROL_SHUTDOWN:
DPRINT1(" SERVICE_CONTROL_SHUTDOWN received\n");
SetEvent(hStopEvent);
UpdateServiceStatus(SERVICE_STOP_PENDING);
return ERROR_SUCCESS;
default :
DPRINT1(" Control %lu received\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
}
VOID WINAPI
ServiceMain(DWORD argc, LPTSTR *argv)
{
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
DPRINT("ServiceMain() called\n");
ServiceStatusHandle = RegisterServiceCtrlHandlerExW(ServiceName,
ServiceControlHandler,
NULL);
if (!ServiceStatusHandle)
{
DPRINT1("RegisterServiceCtrlHandlerExW() failed! (Error %lu)\n", GetLastError());
return;
}
hStopEvent = CreateEventW(NULL, TRUE, FALSE, NULL);
if (hStopEvent == NULL)
{
DPRINT1("CreateEvent() failed! (Error %lu)\n", GetLastError());
goto done;
}
UpdateServiceStatus(SERVICE_RUNNING);
WaitForSingleObject(hStopEvent, INFINITE);
CloseHandle(hStopEvent);
done:
UpdateServiceStatus(SERVICE_STOPPED);
}
BOOL WINAPI
DllMain(HINSTANCE hinstDLL,
DWORD fdwReason,
LPVOID lpvReserved)
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinstDLL);
break;
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
}