SystemConfiguration.fproj/SCPUnlock.c

   1 /*
   2  * Copyright(c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1(the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 /*
  24  * Modification History
  25  *
  26  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  27  * - public API conversion
  28  *
  29  * November 9, 2000             Allan Nathanson <ajn@apple.com>
  30  * - initial revision
  31  */
  32
  33 #include <SystemConfiguration/SystemConfiguration.h>
  34 #include <SystemConfiguration/SCPrivate.h>
  35 #include "SCPreferencesInternal.h"
  36
  37 Boolean
  38 SCPreferencesUnlock(SCPreferencesRef session)
  39 {
  40         SCPreferencesPrivateRef sessionPrivate  = (SCPreferencesPrivateRef)session;
  41
  42         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCPreferencesUnlock:"));
  43
  44         if (!sessionPrivate->locked) {
  45                 /* sorry, you don't have the lock */
  46                 _SCErrorSet(kSCStatusNeedLock);
  47                 return FALSE;
  48         }
  49
  50         if (!sessionPrivate->isRoot) {
  51                 /* CONFIGD REALLY NEEDS NON-ROOT WRITE ACCESS */
  52                 goto perUser;
  53         }
  54
  55         if (!SCDynamicStoreRemoveValue(sessionPrivate->session, sessionPrivate->sessionKeyLock)) {
  56                 SCLog(_sc_verbose, LOG_INFO, CFSTR("SCDynamicStoreRemoveValue() failed"));
  57                 return FALSE;
  58         }
  59
  60     perUser:
  61
  62         sessionPrivate->locked = FALSE;
  63         return TRUE;
  64 }