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 #include <Security/cfutilities.h>
  37
  38 using namespace KeychainCore;
  39
  40 void KCEventNotifier::PostKeychainEvent(SecKeychainEvent whichEvent, const Keychain &keychain, const Item &kcItem)
  41 {
  42         DLDbIdentifier dlDbIdentifier;
  43         PrimaryKey primaryKey;
  44
  45         if (keychain)
  46                 dlDbIdentifier = keychain->dLDbIdentifier();
  47
  48     if (kcItem)
  49                 primaryKey = kcItem->primaryKey();
  50
  51         PostKeychainEvent(whichEvent, dlDbIdentifier, primaryKey);
  52 }
  53
  54
  55 void KCEventNotifier::PostKeychainEvent(SecKeychainEvent whichEvent,
  56                                                                                 const DLDbIdentifier &dlDbIdentifier,
  57                                                                                 const PrimaryKey &primaryKey)
  58 {
  59         CFRef<CFMutableDictionaryRef> mutableDict(::CFDictionaryCreateMutable(kCFAllocatorDefault,0,
  60                         &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks));
  61     KCThrowIfMemFail_(CFMutableDictionaryRef(mutableDict));
  62
  63         SInt32 theEvent = SInt32(whichEvent);
  64     CFRef<CFNumberRef> theEventData(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &theEvent));
  65     KCThrowIfMemFail_(CFNumberRef(theEventData));
  66     CFDictionarySetValue(mutableDict, kSecEventTypeKey, theEventData);
  67
  68         pid_t thePid = getpid();
  69     CFRef<CFNumberRef> thePidData(CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &thePid));
  70     KCThrowIfMemFail_(CFNumberRef(thePidData));
  71     CFDictionarySetValue(mutableDict, kSecEventPidKey, thePidData);
  72
  73         if (dlDbIdentifier)
  74         {
  75                 CFRef<CFDictionaryRef> dict(DLDbListCFPref::dlDbIdentifierToCFDictionaryRef(dlDbIdentifier));
  76                 KCThrowIfMemFail_(CFDictionaryRef(dict));
  77                 CFDictionarySetValue(mutableDict, kSecEventKeychainKey, dict);
  78         }
  79
  80     if (primaryKey)
  81     {
  82                 CFRef<CFDataRef> data(CFDataCreate(kCFAllocatorDefault, primaryKey->Data, primaryKey->Length));
  83                 KCThrowIfMemFail_(CFDataRef(data));
  84                 CFDictionarySetValue(mutableDict, kSecEventItemKey, data);
  85     }
  86
  87
  88     // 'name' has to be globally unique (could be KCLockEvent, etc.)
  89     // 'object' is just information or a context that can be used.
  90     // 'userInfo' has info on event (i.e. which DL/DB(kc - see John's Dict), the event,
  91     //                                                           item(cssmdbuniqueRec))
  92     CFNotificationCenterPostNotification(CFNotificationCenterGetDistributedCenter(),
  93                                                                                  kSecEventNotificationName, NULL, mutableDict, false);
  94 }