SystemConfiguration.fproj/SCLocation.c

   1 /*
   2  * Copyright (c) 2002, 2004, 2006, 2010 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * Nov 28, 2001                 Allan Nathanson <ajn@apple.com>
  28  * - initial revision
  29  */
  30
  31 #include <TargetConditionals.h>
  32 #include <SystemConfiguration/SystemConfiguration.h>
  33 #include <SystemConfiguration/SCValidation.h>
  34 #include <SystemConfiguration/SCPrivate.h>
  35
  36
  37 CFStringRef
  38 SCDynamicStoreKeyCreateLocation(CFAllocatorRef allocator)
  39 {
  40         return CFRetain(kSCDynamicStoreDomainSetup);
  41 }
  42
  43
  44 CFStringRef
  45 SCDynamicStoreCopyLocation(SCDynamicStoreRef store)
  46 {
  47         CFDictionaryRef         dict            = NULL;
  48         CFStringRef             key;
  49         CFStringRef             location        = NULL;
  50         Boolean                 tempSession     = FALSE;
  51
  52         if (store == NULL) {
  53                 store = SCDynamicStoreCreate(NULL,
  54                                              CFSTR("SCDynamicStoreCopyLocation"),
  55                                              NULL,
  56                                              NULL);
  57                 if (store == NULL) {
  58                         SCLog(_sc_verbose, LOG_INFO, CFSTR("SCDynamicStoreCreate() failed"));
  59                         return NULL;
  60                 }
  61                 tempSession = TRUE;
  62         }
  63
  64         key  = SCDynamicStoreKeyCreateLocation(NULL);
  65         dict = SCDynamicStoreCopyValue(store, key);
  66         CFRelease(key);
  67         if (!isA_CFDictionary(dict)) {
  68                 _SCErrorSet(kSCStatusNoKey);
  69                 goto done;
  70         }
  71
  72         location = CFDictionaryGetValue(dict, kSCDynamicStorePropSetupCurrentSet);
  73         if (!isA_CFString(location)) {
  74                 _SCErrorSet(kSCStatusNoKey);
  75                 goto done;
  76         }
  77
  78         CFRetain(location);
  79
  80     done :
  81
  82
  83         if (tempSession)        CFRelease(store);
  84         if (dict)               CFRelease(dict);
  85
  86         return location;
  87 }