SystemConfiguration.fproj/SCDList.c

   1 /*
   2  * Copyright (c) 2000-2005, 2009-2011, 2013, 2016, 2017, 2019 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  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  28  * - public API conversion
  29  *
  30  * March 24, 2000               Allan Nathanson <ajn@apple.com>
  31  * - initial revision
  32  */
  33
  34 #include "SCDynamicStoreInternal.h"
  35 #include "config.h"             /* MiG generated file */
  36
  37 CFArrayRef
  38 SCDynamicStoreCopyKeyList(SCDynamicStoreRef store, CFStringRef pattern)
  39 {
  40         SCDynamicStorePrivateRef        storePrivate;
  41         kern_return_t                   status;
  42         CFDataRef                       utfPattern;             /* serialized pattern */
  43         xmlData_t                       myPatternRef;
  44         CFIndex                         myPatternLen;
  45         xmlDataOut_t                    xmlDataRef      = NULL;         /* serialized data */
  46         mach_msg_type_number_t          xmlDataLen      = 0;
  47         int                             sc_status;
  48         CFArrayRef                      allKeys;
  49
  50         if (store == NULL) {
  51                 store = __SCDynamicStoreNullSession();
  52                 if (store == NULL) {
  53                         /* sorry, you must provide a session */
  54                         _SCErrorSet(kSCStatusNoStoreSession);
  55                         return NULL;
  56                 }
  57         }
  58
  59         storePrivate = (SCDynamicStorePrivateRef)store;
  60         if (storePrivate->server == MACH_PORT_NULL) {
  61                 _SCErrorSet(kSCStatusNoStoreServer);
  62                 return NULL;
  63         }
  64
  65         /* serialize the pattern */
  66         if (!_SCSerializeString(pattern, &utfPattern, (void **)&myPatternRef, &myPatternLen)) {
  67                 _SCErrorSet(kSCStatusFailed);
  68                 return NULL;
  69         }
  70
  71     retry :
  72
  73         /* send the pattern & fetch the associated data from the server */
  74         status = configlist(storePrivate->server,
  75                             myPatternRef,
  76                             (mach_msg_type_number_t)myPatternLen,
  77                             TRUE,               /* isRegex == TRUE */
  78                             &xmlDataRef,
  79                             &xmlDataLen,
  80                             (int *)&sc_status);
  81
  82         if (__SCDynamicStoreCheckRetryAndHandleError(store,
  83                                                      status,
  84                                                      &sc_status,
  85                                                      "SCDynamicStoreCopyKeyList configlist()")) {
  86                 goto retry;
  87         }
  88
  89         /* clean up */
  90         CFRelease(utfPattern);
  91
  92         if (sc_status != kSCStatusOK) {
  93                 if (xmlDataRef != NULL) {
  94                         (void) vm_deallocate(mach_task_self(), (vm_address_t)xmlDataRef, xmlDataLen);
  95                 }
  96                 _SCErrorSet(sc_status);
  97                 return NULL;
  98         }
  99
 100         /* un-serialize the list of keys */
 101         if (!_SCUnserialize((CFPropertyListRef *)&allKeys, NULL, xmlDataRef, xmlDataLen)) {
 102                 _SCErrorSet(kSCStatusFailed);
 103                 return NULL;
 104         }
 105
 106         return allKeys;
 107 }