ReactOS Development > Doxygen

00001 /*
00002  * PROJECT:     ReactOS Services
00003  * LICENSE:     GPL - See COPYING in the top level directory
00004  * FILE:        base/system/sc/control.c
00005  * PURPOSE:     Stops, pauses and resumes a service
00006  * COPYRIGHT:   Copyright 2005 - 2006 Ged Murphy <gedmurphy@gmail.com>
00007  *
00008  */
00009 
00010 #include "sc.h"
00011 
00012 BOOL
00013 Control(DWORD Control,
00014         LPCTSTR ServiceName,
00015         LPCTSTR *Args,
00016         INT ArgCount)
00017 {
00018     SC_HANDLE hSCManager = NULL;
00019     SC_HANDLE hSc = NULL;
00020     SERVICE_STATUS Status;
00021     DWORD dwDesiredAccess = 0;
00022 
00023 #ifdef SCDBG
00024     LPCTSTR *TmpArgs = Args;
00025     INT TmpCnt = ArgCount;
00026     _tprintf(_T("service to control - %s\n"), ServiceName);
00027     _tprintf(_T("command - %lu\n"), Control);
00028     _tprintf(_T("Arguments:\n"));
00029     while (TmpCnt)
00030     {
00031         _tprintf(_T("  %s\n"), *TmpArgs);
00032         TmpArgs++;
00033         TmpCnt--;
00034     }
00035     _tprintf(_T("\n"));
00036 #endif /* SCDBG */
00037 
00038     switch (Control)
00039     {
00040         case SERVICE_CONTROL_STOP:
00041             dwDesiredAccess = SERVICE_STOP;
00042             break;
00043 
00044         case SERVICE_CONTROL_PAUSE:
00045             dwDesiredAccess = SERVICE_PAUSE_CONTINUE;
00046             break;
00047 
00048         case SERVICE_CONTROL_CONTINUE:
00049             dwDesiredAccess = SERVICE_PAUSE_CONTINUE;
00050             break;
00051 
00052         case SERVICE_CONTROL_INTERROGATE:
00053             dwDesiredAccess = SERVICE_INTERROGATE;
00054             break;
00055 
00056         case SERVICE_CONTROL_SHUTDOWN:
00057             dwDesiredAccess = 0;
00058             break;
00059 
00060     }
00061 
00062     hSCManager = OpenSCManager(NULL,
00063                                NULL,
00064                                SC_MANAGER_CONNECT);
00065     if (hSCManager != NULL)
00066     {
00067         hSc = OpenService(hSCManager,
00068                           ServiceName,
00069                           dwDesiredAccess);
00070         if (hSc != NULL)
00071         {
00072             if (ControlService(hSc,
00073                                Control,
00074                                &Status))
00075             {
00076                 SERVICE_STATUS_PROCESS StatusEx;
00077 
00078                 /* FIXME: lazy hack ;) */
00079                 CopyMemory(&StatusEx, &Status, sizeof(Status));
00080                 StatusEx.dwProcessId = 0;
00081                 StatusEx.dwServiceFlags = 0;
00082 
00083                 PrintService(ServiceName,
00084                              &StatusEx,
00085                              FALSE);
00086 
00087                 CloseServiceHandle(hSc);
00088                 CloseServiceHandle(hSCManager);
00089 
00090                 return TRUE;
00091             }
00092         }
00093         else
00094             _tprintf(_T("[SC] OpenService FAILED %lu:\n\n"), GetLastError());
00095     }
00096 
00097     ReportLastError();
00098     if (hSc) CloseServiceHandle(hSc);
00099     if (hSCManager) CloseServiceHandle(hSCManager);
00100     return FALSE;
00101 }
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