SystemConfiguration.fproj/SCDNotifierSetKeys.c

   1 /*
   2  * Copyright (c) 2000, 2001, 2003-2005, 2009 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * June 1, 2001                 Allan Nathanson <ajn@apple.com>
  28  * - initial revision
  29  */
  30
  31 #include <mach/mach.h>
  32 #include <mach/mach_error.h>
  33
  34 #include <SystemConfiguration/SystemConfiguration.h>
  35 #include <SystemConfiguration/SCPrivate.h>
  36 #include "SCDynamicStoreInternal.h"
  37 #include "config.h"             /* MiG generated file */
  38
  39
  40 Boolean
  41 SCDynamicStoreSetNotificationKeys(SCDynamicStoreRef     store,
  42                                   CFArrayRef            keys,
  43                                   CFArrayRef            patterns)
  44 {
  45         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  46         kern_return_t                   status;
  47         CFDataRef                       xmlKeys         = NULL; /* keys (XML serialized) */
  48         xmlData_t                       myKeysRef       = NULL; /* keys (serialized) */
  49         CFIndex                         myKeysLen       = 0;
  50         CFDataRef                       xmlPatterns     = NULL; /* patterns (XML serialized) */
  51         xmlData_t                       myPatternsRef   = NULL; /* patterns (serialized) */
  52         CFIndex                         myPatternsLen   = 0;
  53         int                             sc_status;
  54
  55         if (store == NULL) {
  56                 /* sorry, you must provide a session */
  57                 _SCErrorSet(kSCStatusNoStoreSession);
  58                 return FALSE;
  59         }
  60
  61         if (storePrivate->server == MACH_PORT_NULL) {
  62                 _SCErrorSet(kSCStatusNoStoreServer);
  63                 return FALSE;   /* you must have an open session to play */
  64         }
  65
  66         /* serialize the keys */
  67         if (keys) {
  68                 if (!_SCSerialize(keys, &xmlKeys, (void **)&myKeysRef, &myKeysLen)) {
  69                         _SCErrorSet(kSCStatusFailed);
  70                         return FALSE;
  71                 }
  72         }
  73
  74         /* serialize the patterns */
  75         if (patterns) {
  76                 if (!_SCSerialize(patterns, &xmlPatterns, (void **)&myPatternsRef, &myPatternsLen)) {
  77                         CFRelease(xmlKeys);
  78                         _SCErrorSet(kSCStatusFailed);
  79                         return FALSE;
  80                 }
  81         }
  82
  83         /* send the keys and patterns, fetch the associated result from the server */
  84         status = notifyset(storePrivate->server,
  85                            myKeysRef,
  86                            myKeysLen,
  87                            myPatternsRef,
  88                            myPatternsLen,
  89                            (int *)&sc_status);
  90
  91         /* clean up */
  92         if (xmlKeys)            CFRelease(xmlKeys);
  93         if (xmlPatterns)        CFRelease(xmlPatterns);
  94
  95         if (status != KERN_SUCCESS) {
  96                 if (status == MACH_SEND_INVALID_DEST) {
  97                         /* the server's gone and our session port's dead, remove the dead name right */
  98                         (void) mach_port_deallocate(mach_task_self(), storePrivate->server);
  99                 } else {
 100                         /* we got an unexpected error, leave the [session] port alone */
 101                         SCLog(TRUE, LOG_ERR, CFSTR("SCDynamicStoreSetNotificationKeys notifyset(): %s"), mach_error_string(status));
 102                 }
 103                 storePrivate->server = MACH_PORT_NULL;
 104                 _SCErrorSet(status);
 105                 return FALSE;
 106         }
 107
 108         if (sc_status != kSCStatusOK) {
 109                 _SCErrorSet(sc_status);
 110                 return FALSE;
 111         }
 112
 113         return TRUE;
 114 }