sd/source/ui/remotecontrol/mDNSResponder/dllmain.c

   1 /* -*- Mode: C; tab-width: 4 -*-
   2  *
   3  * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 // #include <windows.h>
  19 #include <DebugServices.h>
  20 #include <stdlib.h>
  21
  22 BOOL APIENTRY    DllMain( HANDLE inModule, DWORD inReason, LPVOID inReserved )
  23 {
  24     (void) inModule;
  25     (void) inReserved;
  26
  27     switch( inReason )
  28     {
  29         case DLL_PROCESS_ATTACH:
  30         case DLL_THREAD_ATTACH:
  31         case DLL_THREAD_DETACH:
  32         case DLL_PROCESS_DETACH:
  33             break;
  34     }
  35     return TRUE;
  36 }
  37
  38
  39 BOOL
  40 IsSystemServiceDisabled()
  41 {
  42     ENUM_SERVICE_STATUS    *    lpService = NULL;
  43     SC_HANDLE                    sc;
  44     BOOL                            ret = FALSE;
  45     BOOL                            ok;
  46     DWORD                            bytesNeeded = 0;
  47     DWORD                            srvCount;
  48     DWORD                            resumeHandle = 0;
  49     DWORD                            srvType;
  50     DWORD                            srvState;
  51     DWORD                            dwBytes = 0;
  52     DWORD                            i;
  53     OSStatus                        err;
  54
  55     sc = OpenSCManager( NULL, NULL, SC_MANAGER_ENUMERATE_SERVICE );
  56     err = translate_errno( sc, GetLastError(), kUnknownErr );
  57     require_noerr( err, exit );
  58
  59     srvType        =    SERVICE_WIN32;
  60     srvState        =    SERVICE_STATE_ALL;
  61
  62     for ( ;; )
  63     {
  64         // Call EnumServicesStatus using the handle returned by OpenSCManager
  65
  66         ok = EnumServicesStatus ( sc, srvType, srvState, lpService, dwBytes, &bytesNeeded, &srvCount, &resumeHandle );
  67
  68         if ( ok || ( GetLastError() != ERROR_MORE_DATA ) )
  69         {
  70             break;
  71         }
  72
  73         if ( lpService )
  74         {
  75             free( lpService );
  76         }
  77
  78         dwBytes = bytesNeeded;
  79
  80         lpService = ( ENUM_SERVICE_STATUS* ) malloc( dwBytes );
  81         require_action( lpService, exit, ret = FALSE );
  82     }
  83
  84     err = translate_errno( ok, GetLastError(), kUnknownErr );
  85     require_noerr( err, exit );
  86
  87     for ( i = 0; i < srvCount; i++ )
  88     {
  89         if ( strcmp( lpService[i].lpServiceName, "Bonjour Service" ) == 0 )
  90         {
  91             if ( ( lpService[i].ServiceStatus.dwCurrentState == SERVICE_PAUSED ) || ( lpService[i].ServiceStatus.dwCurrentState == SERVICE_STOPPED ) )
  92             {
  93                 ret = TRUE;
  94             }
  95
  96             break;
  97         }
  98     }
  99
 100 exit:
 101
 102     if ( lpService )
 103     {
 104         free( lpService );
 105     }
 106
 107     if ( sc )
 108     {
 109         CloseServiceHandle ( sc );
 110     }
 111
 112     return ret;
 113 }