1/*
2 * Copyright (c) 2000-2005, 2009-2011, 2013 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 <mach/mach.h>
35#include <mach/mach_error.h>
36
37#include <SystemConfiguration/SystemConfiguration.h>
38#include <SystemConfiguration/SCPrivate.h>
39#include "SCDynamicStoreInternal.h"
40#include "config.h"		/* MiG generated file */
41
42static void
43removeKey(CFMutableArrayRef keys, CFStringRef key)
44{
45	CFIndex	i;
46	CFIndex	n;
47
48	if (keys == NULL) {
49		/* if no keys */
50		return;
51	}
52
53	n = CFArrayGetCount(keys);
54	i = CFArrayGetFirstIndexOfValue(keys, CFRangeMake(0, n), key);
55	if (i == kCFNotFound) {
56		/* if key not in list */
57	}
58
59	/* remove key from list */
60	CFArrayRemoveValueAtIndex(keys, i);
61	return;
62}
63
64
65Boolean
66SCDynamicStoreRemoveWatchedKey(SCDynamicStoreRef store, CFStringRef key, Boolean isRegex)
67{
68	SCDynamicStorePrivateRef	storePrivate = (SCDynamicStorePrivateRef)store;
69	kern_return_t			status;
70	CFDataRef			utfKey;		/* serialized key */
71	xmlData_t			myKeyRef;
72	CFIndex				myKeyLen;
73	int				sc_status;
74
75	if (store == NULL) {
76		/* sorry, you must provide a session */
77		_SCErrorSet(kSCStatusNoStoreSession);
78		return FALSE;
79	}
80
81	if (storePrivate->server == MACH_PORT_NULL) {
82		/* sorry, you must have an open session to play */
83		_SCErrorSet(kSCStatusNoStoreServer);
84		return FALSE;
85	}
86
87	/* serialize the key */
88	if (!_SCSerializeString(key, &utfKey, (void **)&myKeyRef, &myKeyLen)) {
89		_SCErrorSet(kSCStatusFailed);
90		return FALSE;
91	}
92
93    retry :
94
95	/* send the key to the server */
96	status = notifyremove(storePrivate->server,
97			      myKeyRef,
98			      (mach_msg_type_number_t)myKeyLen,
99			      isRegex,
100			      (int *)&sc_status);
101
102	if (__SCDynamicStoreCheckRetryAndHandleError(store,
103						     status,
104						     &sc_status,
105						     "SCDynamicStoreRemoveWatchedKey notifyremove()")) {
106		goto retry;
107	}
108
109	/* clean up */
110	CFRelease(utfKey);
111
112	if (sc_status != kSCStatusOK) {
113		_SCErrorSet(sc_status);
114		return FALSE;
115	}
116
117	if (isRegex) {
118		removeKey(storePrivate->patterns, key);
119	} else {
120		removeKey(storePrivate->keys, key);
121	}
122	return TRUE;
123}
124