SystemConfiguration.fproj/SCDList.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  * March 24, 2000               Allan Nathanson <ajn@apple.com>
  30  * - initial revision
  31  */
  32
  33 #include <mach/mach.h>
  34 #include <mach/mach_error.h>
  35
  36 #include <SystemConfiguration/SystemConfiguration.h>
  37 #include <SystemConfiguration/SCPrivate.h>
  38 #include "SCDynamicStoreInternal.h"
  39 #include "config.h"             /* MiG generated file */
  40
  41 CFArrayRef
  42 SCDynamicStoreCopyKeyList(SCDynamicStoreRef store, CFStringRef pattern)
  43 {
  44         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  45         kern_return_t                   status;
  46         CFDataRef                       xmlPattern;     /* serialized pattern */
  47         xmlData_t                       myPatternRef;
  48         CFIndex                         myPatternLen;
  49         CFDataRef                       xmlData;        /* data (XML serialized) */
  50         xmlDataOut_t                    xmlDataRef;     /* serialized data */
  51         int                             xmlDataLen;
  52         int                             sc_status;
  53         CFArrayRef                      allKeys;
  54         CFStringRef                     xmlError;
  55
  56         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCDynamicStoreCopyKeyList:"));
  57         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  pattern = %@"), pattern);
  58
  59         if (!store) {
  60                 /* sorry, you must provide a session */
  61                 _SCErrorSet(kSCStatusNoStoreSession);
  62                 return NULL;
  63         }
  64
  65         if (storePrivate->server == MACH_PORT_NULL) {
  66                 _SCErrorSet(kSCStatusNoStoreServer);
  67                 return NULL;
  68         }
  69
  70         /* serialize the pattern */
  71         xmlPattern = CFPropertyListCreateXMLData(NULL, pattern);
  72         myPatternRef = (xmlData_t)CFDataGetBytePtr(xmlPattern);
  73         myPatternLen = CFDataGetLength(xmlPattern);
  74
  75         /* send the pattern & fetch the associated data from the server */
  76         status = configlist(storePrivate->server,
  77                             myPatternRef,
  78                             myPatternLen,
  79                             TRUE,               /* isRegex == TRUE */
  80                             &xmlDataRef,
  81                             &xmlDataLen,
  82                             (int *)&sc_status);
  83
  84         /* clean up */
  85         CFRelease(xmlPattern);
  86
  87         if (status != KERN_SUCCESS) {
  88                 if (status != MACH_SEND_INVALID_DEST)
  89                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("configlist(): %s"), mach_error_string(status));
  90                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
  91                 storePrivate->server = MACH_PORT_NULL;
  92                 _SCErrorSet(status);
  93                 return NULL;
  94         }
  95
  96         if (sc_status != kSCStatusOK) {
  97                 status = vm_deallocate(mach_task_self(), (vm_address_t)xmlDataRef, xmlDataLen);
  98                 if (status != KERN_SUCCESS) {
  99                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("vm_deallocate(): %s"), mach_error_string(status));
 100                         /* non-fatal???, proceed */
 101                 }
 102                 _SCErrorSet(sc_status);
 103                 return NULL;
 104         }
 105
 106         /* un-serialize the list of keys */
 107         xmlData = CFDataCreate(NULL, xmlDataRef, xmlDataLen);
 108         status = vm_deallocate(mach_task_self(), (vm_address_t)xmlDataRef, xmlDataLen);
 109         if (status != KERN_SUCCESS) {
 110                 SCLog(_sc_verbose, LOG_DEBUG, CFSTR("vm_deallocate(): %s"), mach_error_string(status));
 111                 /* non-fatal???, proceed */
 112         }
 113         allKeys = CFPropertyListCreateFromXMLData(NULL,
 114                                                   xmlData,
 115                                                   kCFPropertyListImmutable,
 116                                                   &xmlError);
 117         CFRelease(xmlData);
 118         if (!allKeys) {
 119                 if (xmlError) {
 120                         SCLog(_sc_verbose, LOG_DEBUG,
 121                                CFSTR("CFPropertyListCreateFromXMLData() list: %@"),
 122                                xmlError);
 123                         CFRelease(xmlError);
 124                 }
 125                 _SCErrorSet(kSCStatusFailed);
 126                 return NULL;
 127         }
 128
 129         return allKeys;
 130 }