programs/wuauserv/main.c

   1 /*
   2  * Copyright 2007 Jacek Caban for CodeWeavers
   3  * Copyright 2016 Michael Müller
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #define WIN32_LEAN_AND_MEAN
  21
  22 #include <windows.h>
  23 #include <winsvc.h>
  24
  25 #include "wine/debug.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(wuauserv);
  28
  29 static WCHAR wuauservW[] = {'w','u','a','u','s','e','r','v',0};
  30
  31 static SERVICE_STATUS_HANDLE service_handle;
  32 static HANDLE stop_event;
  33
  34 static DWORD WINAPI service_handler( DWORD ctrl, DWORD event_type, LPVOID event_data, LPVOID context )
  35 {
  36     SERVICE_STATUS status;
  37
  38     status.dwServiceType             = SERVICE_WIN32;
  39     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP;
  40     status.dwWin32ExitCode           = 0;
  41     status.dwServiceSpecificExitCode = 0;
  42     status.dwCheckPoint              = 0;
  43     status.dwWaitHint                = 0;
  44
  45     switch(ctrl)
  46     {
  47     case SERVICE_CONTROL_STOP:
  48     case SERVICE_CONTROL_SHUTDOWN:
  49         WINE_TRACE( "shutting down\n" );
  50         status.dwCurrentState     = SERVICE_STOP_PENDING;
  51         status.dwControlsAccepted = 0;
  52         SetServiceStatus( service_handle, &status );
  53         SetEvent( stop_event );
  54         return NO_ERROR;
  55     default:
  56         WINE_FIXME( "got service ctrl %lx\n", ctrl );
  57         status.dwCurrentState = SERVICE_RUNNING;
  58         SetServiceStatus( service_handle, &status );
  59         return NO_ERROR;
  60     }
  61 }
  62
  63 static void WINAPI serv_main(DWORD argc, LPWSTR *argv)
  64 {
  65     SERVICE_STATUS status;
  66
  67     WINE_TRACE( "starting service\n" );
  68
  69     stop_event = CreateEventW( NULL, TRUE, FALSE, NULL );
  70
  71     service_handle = RegisterServiceCtrlHandlerExW( wuauservW, service_handler, NULL );
  72     if (!service_handle)
  73         return;
  74
  75     status.dwServiceType             = SERVICE_WIN32;
  76     status.dwCurrentState            = SERVICE_RUNNING;
  77     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
  78     status.dwWin32ExitCode           = 0;
  79     status.dwServiceSpecificExitCode = 0;
  80     status.dwCheckPoint              = 0;
  81     status.dwWaitHint                = 10000;
  82     SetServiceStatus( service_handle, &status );
  83
  84     WaitForSingleObject( stop_event, INFINITE );
  85
  86     status.dwCurrentState     = SERVICE_STOPPED;
  87     status.dwControlsAccepted = 0;
  88     SetServiceStatus( service_handle, &status );
  89     WINE_TRACE( "service stopped\n" );
  90 }
  91
  92 int __cdecl main(int argc, char **argv)
  93 {
  94     static const SERVICE_TABLE_ENTRYW servtbl[] =
  95     {
  96         {wuauservW, serv_main},
  97         {NULL, NULL}
  98     };
  99
 100     WINE_TRACE( "(%d %p)\n", argc, argv );
 101
 102     StartServiceCtrlDispatcherW( servtbl );
 103     return 0;
 104 }