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 /*
  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 SCDynamicStoreAddWatchedKey(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("SCDynamicStoreAddWatchedKey:"));
  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          * add new key after checking if key has already been defined
  69          */
  70         if (isRegex) {
  71                 if (CFSetContainsValue(storePrivate->reKeys, key)) {
  72                         /* sorry, key already exists in notifier list */
  73                         _SCErrorSet(kSCStatusKeyExists);
  74                         return FALSE;
  75                 }
  76                 CFSetAddValue(storePrivate->reKeys, key);       /* add key to this sessions notifier list */
  77         } else {
  78                 if (CFSetContainsValue(storePrivate->keys, key)) {
  79                         /* sorry, key already exists in notifier list */
  80                         _SCErrorSet(kSCStatusKeyExists);
  81                         return FALSE;
  82                 }
  83                 CFSetAddValue(storePrivate->keys, key); /* add key to this sessions notifier list */
  84         }
  85
  86         /* serialize the key */
  87         xmlKey = CFPropertyListCreateXMLData(NULL, key);
  88         myKeyRef = (xmlData_t)CFDataGetBytePtr(xmlKey);
  89         myKeyLen = CFDataGetLength(xmlKey);
  90
  91         /* send the key & data to the server */
  92         status = notifyadd(storePrivate->server,
  93                            myKeyRef,
  94                            myKeyLen,
  95                            isRegex,
  96                            (int *)&sc_status);
  97
  98         /* clean up */
  99         CFRelease(xmlKey);
 100
 101         if (status != KERN_SUCCESS) {
 102                 if (status != MACH_SEND_INVALID_DEST)
 103                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("notifyadd(): %s"), mach_error_string(status));
 104                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
 105                 storePrivate->server = MACH_PORT_NULL;
 106                 _SCErrorSet(status);
 107                 return FALSE;
 108         }
 109
 110         if (sc_status != kSCStatusOK) {
 111                 _SCErrorSet(sc_status);
 112                 return FALSE;
 113         }
 114
 115         return TRUE;
 116 }