SystemConfiguration.fproj/SCPUnlock.c

   1 /*
   2  * Copyright(c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  30  * - public API conversion
  31  *
  32  * November 9, 2000             Allan Nathanson <ajn@apple.com>
  33  * - initial revision
  34  */
  35
  36 #include <SystemConfiguration/SystemConfiguration.h>
  37 #include <SystemConfiguration/SCPrivate.h>
  38 #include "SCPreferencesInternal.h"
  39
  40 Boolean
  41 SCPreferencesUnlock(SCPreferencesRef session)
  42 {
  43         SCPreferencesPrivateRef sessionPrivate  = (SCPreferencesPrivateRef)session;
  44
  45         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCPreferencesUnlock:"));
  46
  47         if (!sessionPrivate->locked) {
  48                 /* sorry, you don't have the lock */
  49                 _SCErrorSet(kSCStatusNeedLock);
  50                 return FALSE;
  51         }
  52
  53         if (!sessionPrivate->isRoot) {
  54                 /* CONFIGD REALLY NEEDS NON-ROOT WRITE ACCESS */
  55                 goto perUser;
  56         }
  57
  58         if (!SCDynamicStoreRemoveValue(sessionPrivate->session, sessionPrivate->sessionKeyLock)) {
  59                 SCLog(_sc_verbose, LOG_INFO, CFSTR("SCDynamicStoreRemoveValue() failed"));
  60                 return FALSE;
  61         }
  62
  63     perUser:
  64
  65         sessionPrivate->locked = FALSE;
  66         return TRUE;
  67 }