2 * Copyright (c) 2000-2004, 2006 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
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
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.
21 * @APPLE_LICENSE_HEADER_END@
25 * Modification History
27 * June 1, 2001 Allan Nathanson <ajn@apple.com>
28 * - public API conversion
30 * March 24, 2000 Allan Nathanson <ajn@apple.com>
39 __SCDynamicStoreRemoveValue(SCDynamicStoreRef store
, CFStringRef key
, Boolean internal
)
41 SCDynamicStorePrivateRef storePrivate
= (SCDynamicStorePrivateRef
)store
;
42 int sc_status
= kSCStatusOK
;
44 CFMutableDictionaryRef newDict
;
45 CFStringRef sessionKey
;
47 if ((store
== NULL
) || (storePrivate
->server
== MACH_PORT_NULL
)) {
48 return kSCStatusNoStoreSession
; /* you must have an open session to play */
52 SCTrace(TRUE
, _configd_trace
,
53 CFSTR("%s : %5d : %@\n"),
54 internal
? "*remove" : "remove ",
60 * 1. Ensure that we hold the lock.
62 sc_status
= __SCDynamicStoreLock(store
, TRUE
);
63 if (sc_status
!= kSCStatusOK
) {
68 * 2. Ensure that this key exists.
70 dict
= CFDictionaryGetValue(storeData
, key
);
71 if ((dict
== NULL
) || (CFDictionaryContainsKey(dict
, kSCDData
) == FALSE
)) {
72 /* key doesn't exist (or data never defined) */
73 sc_status
= kSCStatusNoKey
;
76 newDict
= CFDictionaryCreateMutableCopy(NULL
, 0, dict
);
79 * 3. Mark this key as "changed". Any "watchers" will be
80 * notified as soon as the lock is released.
82 CFSetAddValue(changedKeys
, key
);
85 * 4. Add this key to a deferred cleanup list so that, after
86 * the change notifications are posted, any associated
87 * regex keys can be removed.
89 CFSetAddValue(deferredRemovals
, key
);
92 * 5. Check if this is a session key and, if so, add it
93 * to the (session) removal list
95 sessionKey
= CFDictionaryGetValue(newDict
, kSCDSession
);
97 CFStringRef removedKey
;
99 /* We are no longer a session key! */
100 CFDictionaryRemoveValue(newDict
, kSCDSession
);
102 /* add this session key to the (session) removal list */
103 removedKey
= CFStringCreateWithFormat(NULL
, 0, CFSTR("%@:%@"), sessionKey
, key
);
104 CFSetAddValue(removedSessionKeys
, removedKey
);
105 CFRelease(removedKey
);
109 * 6. Remove data and update/remove the dictionary store entry.
111 CFDictionaryRemoveValue(newDict
, kSCDData
);
112 if (CFDictionaryGetCount(newDict
) > 0) {
113 /* this key is still being "watched" */
114 CFDictionarySetValue(storeData
, key
, newDict
);
116 /* no information left, remove the empty dictionary */
117 CFDictionaryRemoveValue(storeData
, key
);
122 * 7. Release our lock.
125 __SCDynamicStoreUnlock(store
, TRUE
);
133 _configremove(mach_port_t server
,
134 xmlData_t keyRef
, /* raw XML bytes */
135 mach_msg_type_number_t keyLen
,
139 CFStringRef key
= NULL
; /* key (un-serialized) */
140 serverSessionRef mySession
= getSession(server
);
142 /* un-serialize the key */
143 if (!_SCUnserializeString(&key
, NULL
, (void *)keyRef
, keyLen
)) {
144 *sc_status
= kSCStatusFailed
;
148 if (!isA_CFString(key
)) {
149 *sc_status
= kSCStatusInvalidArgument
;
153 if (mySession
== NULL
) {
154 *sc_status
= kSCStatusNoStoreSession
; /* you must have an open session to play */
158 *sc_status
= __SCDynamicStoreRemoveValue(mySession
->store
, key
, FALSE
);
162 if (key
) CFRelease(key
);