SystemConfiguration.fproj/SCDNotifierRemove.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 #include <sys/types.h>
  24 #include <regex.h>
  25
  26 #include <mach/mach.h>
  27 #include <mach/mach_error.h>
  28
  29 #include <SystemConfiguration/SCD.h>
  30 #include "config.h"             /* MiG generated file */
  31 #include "SCDPrivate.h"
  32
  33
  34 SCDStatus
  35 SCDNotifierRemove(SCDSessionRef session, CFStringRef key, int regexOptions)
  36 {
  37         SCDSessionPrivateRef    sessionPrivate = (SCDSessionPrivateRef)session;
  38         kern_return_t           status;
  39         CFDataRef               xmlKey;         /* serialized key */
  40         xmlData_t               myKeyRef;
  41         CFIndex                 myKeyLen;
  42         SCDStatus               scd_status;
  43
  44         SCDLog(LOG_DEBUG, CFSTR("SCDNotifierRemove:"));
  45         SCDLog(LOG_DEBUG, CFSTR("  key          = %@"), key);
  46         SCDLog(LOG_DEBUG, CFSTR("  regexOptions = %0o"), regexOptions);
  47
  48         if (key == NULL) {
  49                 return SCD_INVALIDARGUMENT;     /* no key specified */
  50         }
  51
  52         if (session == NULL) {
  53                 return SCD_NOSESSION;           /* you can't do anything without a session */
  54         }
  55
  56         /*
  57          * remove key from this sessions notifier list after checking that
  58          * it was previously defined.
  59          */
  60         if (regexOptions & kSCDRegexKey) {
  61                 if (!CFSetContainsValue(sessionPrivate->reKeys, key))
  62                         return SCD_NOKEY;               /* sorry, key does not exist in notifier list */
  63                 CFSetRemoveValue(sessionPrivate->reKeys, key);  /* remove key from this sessions notifier list */
  64         } else {
  65                 if (!CFSetContainsValue(sessionPrivate->keys, key))
  66                         return SCD_NOKEY;               /* sorry, key does not exist in notifier list */
  67                 CFSetRemoveValue(sessionPrivate->keys, key);    /* remove key from this sessions notifier list */
  68         }
  69
  70         if (sessionPrivate->server == MACH_PORT_NULL) {
  71                 return SCD_NOSESSION;           /* you can't do anything with a closed session */
  72         }
  73
  74         /* serialize the key */
  75         xmlKey = CFPropertyListCreateXMLData(NULL, key);
  76         myKeyRef = (xmlData_t)CFDataGetBytePtr(xmlKey);
  77         myKeyLen = CFDataGetLength(xmlKey);
  78
  79         /* send the key to the server */
  80         status = notifyremove(sessionPrivate->server,
  81                               myKeyRef,
  82                               myKeyLen,
  83                               regexOptions,
  84                               (int *)&scd_status);
  85
  86         /* clean up */
  87         CFRelease(xmlKey);
  88
  89         if (status != KERN_SUCCESS) {
  90                 if (status != MACH_SEND_INVALID_DEST)
  91                         SCDLog(LOG_DEBUG, CFSTR("notifyremove(): %s"), mach_error_string(status));
  92                 (void) mach_port_destroy(mach_task_self(), sessionPrivate->server);
  93                 sessionPrivate->server = MACH_PORT_NULL;
  94                 return SCD_NOSERVER;
  95         }
  96
  97         return scd_status;
  98 }