1/*
2 * Copyright (c) 2000-2003, 2006, 2011 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 * - public API conversion
29 *
30 * March 24, 2000		Allan Nathanson <ajn@apple.com>
31 * - initial revision
32 */
33
34#include "configd.h"
35#include "session.h"
36
37__private_extern__
38int
39__SCDynamicStoreCopyNotifiedKeys(SCDynamicStoreRef store, CFArrayRef *notifierKeys)
40{
41	SCDynamicStorePrivateRef	storePrivate = (SCDynamicStorePrivateRef)store;
42	CFStringRef			sessionKey;
43	CFDictionaryRef			info;
44	CFMutableDictionaryRef		newInfo;
45
46	sessionKey = CFStringCreateWithFormat(NULL, NULL, CFSTR("%d"), storePrivate->server);
47	info = CFDictionaryGetValue(sessionData, sessionKey);
48	if ((info == NULL) ||
49	    (CFDictionaryContainsKey(info, kSCDChangedKeys) == FALSE)) {
50		CFRelease(sessionKey);
51		*notifierKeys = CFArrayCreate(NULL, NULL, 0, &kCFTypeArrayCallBacks);
52		return kSCStatusOK;
53	}
54	newInfo = CFDictionaryCreateMutableCopy(NULL, 0, info);
55
56	*notifierKeys = CFDictionaryGetValue(newInfo, kSCDChangedKeys);
57	CFRetain(*notifierKeys);
58
59	CFDictionaryRemoveValue(newInfo, kSCDChangedKeys);
60	if (CFDictionaryGetCount(newInfo) > 0) {
61		CFDictionarySetValue(sessionData, sessionKey, newInfo);
62	} else {
63		CFDictionaryRemoveValue(sessionData, sessionKey);
64	}
65	CFRelease(newInfo);
66	CFRelease(sessionKey);
67
68	return kSCStatusOK;
69}
70
71
72__private_extern__
73kern_return_t
74_notifychanges(mach_port_t			server,
75	       xmlDataOut_t			*listRef,	/* raw XML bytes */
76	       mach_msg_type_number_t		*listLen,
77	       int				*sc_status
78)
79{
80	CFIndex			len;
81	serverSessionRef	mySession = getSession(server);
82	CFArrayRef		notifierKeys;	/* array of CFStringRef's */
83	Boolean			ok;
84
85	*listRef = NULL;
86	*listLen = 0;
87
88	if (mySession == NULL) {
89		*sc_status = kSCStatusNoStoreSession;	/* you must have an open session to play */
90		return KERN_SUCCESS;
91	}
92
93	*sc_status = __SCDynamicStoreCopyNotifiedKeys(mySession->store, &notifierKeys);
94	if (*sc_status != kSCStatusOK) {
95		return KERN_SUCCESS;
96	}
97
98	/* serialize the array of keys */
99	ok = _SCSerialize(notifierKeys, NULL, (void **)listRef, &len);
100	*listLen = len;
101	CFRelease(notifierKeys);
102	if (!ok) {
103		*sc_status = kSCStatusFailed;
104		return KERN_SUCCESS;
105	}
106
107	return KERN_SUCCESS;
108}
109