1/*
2 * Copyright (c) 1998-2004 Apple Computer, 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/*
26 *  CCallbackMgr.h -- Code that communicates with processes that install a callback
27 *  with the Keychain Manager to receive keychain events.
28 */
29#ifndef _SECURITY_CCALLBACKMGR_H_
30#define _SECURITY_CCALLBACKMGR_H_
31
32#include <security_keychain/Keychains.h>
33#include <security_utilities/cfmach++.h>
34#include <securityd_client/ssnotify.h>
35#include <securityd_client/dictionary.h>
36#include <securityd_client/eventlistener.h>
37#include <list>
38#include "KCEventNotifier.h"
39
40namespace Security
41{
42
43namespace KeychainCore
44{
45
46class CallbackInfo;
47class CCallbackMgr;
48
49class CallbackInfo
50{
51public:
52	~CallbackInfo();
53	CallbackInfo();
54	CallbackInfo(SecKeychainCallback inCallbackFunction,SecKeychainEventMask inEventMask,void *inContext);
55
56	bool operator ==(const CallbackInfo& other) const;
57	bool operator !=(const CallbackInfo& other) const;
58
59	SecKeychainCallback mCallback;
60	SecKeychainEventMask mEventMask;
61	void *mContext;
62};
63
64// typedefs
65typedef CallbackInfo *CallbackInfoPtr;
66typedef CallbackInfo const *ConstCallbackInfoPtr;
67
68typedef list<CallbackInfo>::iterator CallbackInfoListIterator;
69typedef list<CallbackInfo>::const_iterator ConstCallbackInfoListIterator;
70
71
72class CCallbackMgr : public SecurityServer::EventListener
73{
74public:
75	CCallbackMgr();
76	~CCallbackMgr();
77
78	static CCallbackMgr& Instance();
79
80	static void AddCallback( SecKeychainCallback inCallbackFunction, SecKeychainEventMask inEventMask, void* inContext);
81
82	static void RemoveCallback( SecKeychainCallback inCallbackFunction );
83    //static void RemoveCallbackUPP(KCCallbackUPP inCallbackFunction);
84	static bool HasCallbacks()
85	{ return CCallbackMgr::Instance().mEventCallbacks.size() > 0; };
86
87private:
88
89	void consume (SecurityServer::NotificationDomain domain, SecurityServer::NotificationEvent whichEvent,
90				  const CssmData &data);
91
92	static void AlertClients(const list<CallbackInfo> &eventCallbacks, SecKeychainEvent inEvent, pid_t inPid,
93							 const Keychain& inKeychain, const Item &inItem);
94
95	list<CallbackInfo> 		mEventCallbacks;
96};
97
98} // end namespace KeychainCore
99
100} // end namespace Security
101
102#endif // !_SECURITY_CCALLBACKMGR_H_
103