Keychain/KCEventNotifier.cpp

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 /*
  20         File:           KCEventNotifier.cpp
  21
  22         Contains:       OS X CF Notifier for Keychain Events
  23
  24         Written by:     Craig Mortensen
  25
  26         Copyright:      2000 by Apple Computer, Inc., All rights reserved.
  27
  28         Change History (most recent first):
  29
  30         To Do:
  31 */
  32
  33 #include "KCEventNotifier.h"
  34 #include "KCExceptions.h"
  35 #include "Keychains.h"
  36
  37 using namespace KeychainCore;
  38
  39 void KCEventNotifier::PostKeychainEvent(SecKeychainEvent whichEvent, const Keychain &keychain, const Item &kcItem)
  40 {
  41         DLDbIdentifier dlDbIdentifier;
  42         PrimaryKey primaryKey;
  43
  44         if (keychain)
  45                 dlDbIdentifier = keychain->dLDbIdentifier();
  46
  47     if (kcItem)
  48                 primaryKey = kcItem->primaryKey();
  49
  50         PostKeychainEvent(whichEvent, dlDbIdentifier, primaryKey);
  51 }
  52
  53
  54 void KCEventNotifier::PostKeychainEvent(SecKeychainEvent whichEvent,
  55                                                                                 const DLDbIdentifier &dlDbIdentifier,
  56                                                                                 const PrimaryKey &primaryKey)
  57 {
  58         CFRef<CFMutableDictionaryRef> mutableDict(::CFDictionaryCreateMutable(kCFAllocatorDefault,0,
  59                         &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
  60     KCThrowIfMemFail_(CFMutableDictionaryRef(mutableDict));
  61
  62         SInt32 theEvent = SInt32(whichEvent);
  63     CFRef<CFNumberRef> theEventData(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &theEvent));
  64     KCThrowIfMemFail_(CFNumberRef(theEventData));
  65     CFDictionarySetValue(mutableDict, kSecEventTypeKey, theEventData);
  66
  67         if (dlDbIdentifier)
  68         {
  69                 CFRef<CFDictionaryRef> dict(DLDbListCFPref::dlDbIdentifierToCFDictionaryRef(dlDbIdentifier));
  70                 KCThrowIfMemFail_(CFDictionaryRef(dict));
  71                 CFDictionarySetValue(mutableDict, kSecEventKeychainKey, dict);
  72         }
  73
  74     if (primaryKey)
  75     {
  76                 CFRef<CFDataRef> data(CFDataCreate(kCFAllocatorDefault, primaryKey->Data, primaryKey->Length));
  77                 KCThrowIfMemFail_(CFDataRef(data));
  78                 CFDictionarySetValue(mutableDict, kSecEventItemKey, data);
  79     }
  80
  81     // 'name' has to be globally unique (could be KCLockEvent, etc.)
  82     // 'object' is just information or a context that can be used.
  83     // 'userInfo' has info on event (i.e. which DL/DB(kc - see John's Dict), the event,
  84     //                                                           item(cssmdbuniqueRec))
  85     CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
  86                                                                                  kSecEventNotificationName, NULL, mutableDict, false);
  87 }