SystemConfiguration.fproj/SCDNotifierRemove.c

   1 /*
   2  * Copyright (c) 2000-2002 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 Boolean
  42 SCDynamicStoreRemoveWatchedKey(SCDynamicStoreRef store, CFStringRef key, Boolean isRegex)
  43 {
  44         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  45         kern_return_t                   status;
  46         CFDataRef                       xmlKey;         /* serialized key */
  47         xmlData_t                       myKeyRef;
  48         CFIndex                         myKeyLen;
  49         int                             sc_status;
  50
  51         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCDynamicStoreRemoveWatchedKey:"));
  52         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  key     = %@"), key);
  53         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  isRegex = %s"), isRegex ? "TRUE" : "FALSE");
  54
  55         if (!store) {
  56                 /* sorry, you must provide a session */
  57                 _SCErrorSet(kSCStatusNoStoreSession);
  58                 return FALSE;
  59         }
  60
  61         if (storePrivate->server == MACH_PORT_NULL) {
  62                 /* sorry, you must have an open session to play */
  63                 _SCErrorSet(kSCStatusNoStoreServer);
  64                 return FALSE;
  65         }
  66
  67         /*
  68          * remove key from this sessions notifier list after checking that
  69          * it was previously defined.
  70          */
  71         if (isRegex) {
  72                 if (!CFSetContainsValue(storePrivate->reKeys, key)) {
  73                         /* sorry, key does not exist in notifier list */
  74                         _SCErrorSet(kSCStatusNoKey);
  75                         return FALSE;
  76                 }
  77                 CFSetRemoveValue(storePrivate->reKeys, key);    /* remove key from this sessions notifier list */
  78         } else {
  79                 if (!CFSetContainsValue(storePrivate->keys, key)) {
  80                         /* sorry, key does not exist in notifier list */
  81                         _SCErrorSet(kSCStatusNoKey);
  82                         return FALSE;
  83                 }
  84                 CFSetRemoveValue(storePrivate->keys, key);      /* remove key from this sessions notifier list */
  85         }
  86
  87         /* serialize the key */
  88         if (!_SCSerialize(key, &xmlKey, (void **)&myKeyRef, &myKeyLen)) {
  89                 _SCErrorSet(kSCStatusFailed);
  90                 return FALSE;
  91         }
  92
  93         /* send the key to the server */
  94         status = notifyremove(storePrivate->server,
  95                               myKeyRef,
  96                               myKeyLen,
  97                               isRegex,
  98                               (int *)&sc_status);
  99
 100         /* clean up */
 101         CFRelease(xmlKey);
 102
 103         if (status != KERN_SUCCESS) {
 104                 if (status != MACH_SEND_INVALID_DEST)
 105                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("notifyremove(): %s"), mach_error_string(status));
 106                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
 107                 storePrivate->server = MACH_PORT_NULL;
 108                 _SCErrorSet(status);
 109                 return FALSE;
 110         }
 111
 112         if (sc_status != kSCStatusOK) {
 113                 _SCErrorSet(sc_status);
 114                 return FALSE;
 115         }
 116
 117         return TRUE;
 118 }