SystemConfiguration.fproj/SCDNotifierAdd.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 SCDNotifierAdd(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("SCDNotifierAdd:"));
  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) || (sessionPrivate->server == MACH_PORT_NULL)) {
  53                 return SCD_NOSESSION;           /* you can't do anything with a closed session */
  54         }
  55
  56         /*
  57          * add new key after checking if key has already been defined
  58          */
  59         if (regexOptions & kSCDRegexKey) {
  60                 if (CFSetContainsValue(sessionPrivate->reKeys, key))
  61                         return SCD_EXISTS;              /* sorry, key already exists in notifier list */
  62                 CFSetAddValue(sessionPrivate->reKeys, key);     /* add key to this sessions notifier list */
  63         } else {
  64                 if (CFSetContainsValue(sessionPrivate->keys, key))
  65                         return SCD_EXISTS;              /* sorry, key already exists in notifier list */
  66                 CFSetAddValue(sessionPrivate->keys, key);       /* add key to this sessions notifier list */
  67         }
  68
  69         /* serialize the key */
  70         xmlKey = CFPropertyListCreateXMLData(NULL, key);
  71         myKeyRef = (xmlData_t)CFDataGetBytePtr(xmlKey);
  72         myKeyLen = CFDataGetLength(xmlKey);
  73
  74         /* send the key & data to the server */
  75         status = notifyadd(sessionPrivate->server,
  76                            myKeyRef,
  77                            myKeyLen,
  78                            regexOptions,
  79                            (int *)&scd_status);
  80
  81         /* clean up */
  82         CFRelease(xmlKey);
  83
  84         if (status != KERN_SUCCESS) {
  85                 if (status != MACH_SEND_INVALID_DEST)
  86                         SCDLog(LOG_DEBUG, CFSTR("notifyadd(): %s"), mach_error_string(status));
  87                 (void) mach_port_destroy(mach_task_self(), sessionPrivate->server);
  88                 sessionPrivate->server = MACH_PORT_NULL;
  89                 return SCD_NOSERVER;
  90         }
  91
  92         return scd_status;
  93 }