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1/*
2 * Copyright (c) 2000-2005, 2009-2011, 2013, 2016-2019 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 "SCDynamicStoreInternal.h"
35#include "config.h" /* MiG generated file */
36
37
38Boolean
39SCDynamicStoreRemoveValue(SCDynamicStoreRef store, CFStringRef key)
40{
41 SCDynamicStorePrivateRef storePrivate;
42 kern_return_t status;
43 CFDataRef utfKey; /* serialized key */
44 xmlData_t myKeyRef;
45 CFIndex myKeyLen;
46 int sc_status;
47
48 if (store == NULL) {
49 store = __SCDynamicStoreNullSession();
50 if (store == NULL) {
51 /* sorry, you must provide a session */
52 _SCErrorSet(kSCStatusNoStoreSession);
53 return FALSE;
54 }
55 }
56
57 storePrivate = (SCDynamicStorePrivateRef)store;
58 if (storePrivate->server == MACH_PORT_NULL) {
59 /* sorry, you must have an open session to play */
60 _SCErrorSet(kSCStatusNoStoreServer);
61 return FALSE;
62 }
63
64 if (storePrivate->cache_active) {
65 if (storePrivate->cached_set != NULL) {
66 CFDictionaryRemoveValue(storePrivate->cached_set, key);
67 }
68
69 if (storePrivate->cached_removals == NULL) {
70 storePrivate->cached_removals = CFArrayCreateMutable(NULL,
71 0,
72 &kCFTypeArrayCallBacks);
73 }
74
75 if (!CFArrayContainsValue(storePrivate->cached_removals,
76 CFRangeMake(0, CFArrayGetCount(storePrivate->cached_removals)),
77 key)) {
78 CFArrayAppendValue(storePrivate->cached_removals, key);
79 }
80
81 return TRUE;
82 }
83
84 /* serialize the key */
85 if (!_SCSerializeString(key, &utfKey, (void **)&myKeyRef, &myKeyLen)) {
86 _SCErrorSet(kSCStatusFailed);
87 return FALSE;
88 }
89
90 retry :
91
92 /* send the key to the server */
93 status = configremove(storePrivate->server,
94 myKeyRef,
95 (mach_msg_type_number_t)myKeyLen,
96 (int *)&sc_status);
97
98 if (__SCDynamicStoreCheckRetryAndHandleError(store,
99 status,
100 &sc_status,
101 "SCDynamicStoreRemoveValue configremove()")) {
102 goto retry;
103 }
104
105 /* clean up */
106 CFRelease(utfKey);
107
108 if (sc_status != kSCStatusOK) {
109 _SCErrorSet(sc_status);
110 return FALSE;
111 }
112
113 return TRUE;
114}