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1/*
2 * Copyright (c) 2000, 2001, 2003-2005, 2007-2011, 2013-2018 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#ifndef _SCPREFERENCESINTERNAL_H
25#define _SCPREFERENCESINTERNAL_H
26
27#include <dispatch/dispatch.h>
28#include <sys/types.h>
29#include <sys/stat.h>
30#include <sys/time.h>
31#include <os/log.h>
32#include <os/state_private.h>
33#include <CoreFoundation/CoreFoundation.h>
34#include <CoreFoundation/CFRuntime.h>
35
36#ifndef SC_LOG_HANDLE
37#define SC_LOG_HANDLE __log_SCPreferences
38#endif // SC_LOG_HANDLE
39#include <SystemConfiguration/SystemConfiguration.h>
40#include <SystemConfiguration/SCValidation.h>
41#include <SystemConfiguration/SCPrivate.h>
42
43#include <SystemConfiguration/SCPreferences.h>
44#include <SystemConfiguration/SCDynamicStore.h>
45
46
47#define PREFS_DEFAULT_DIR CFSTR("/Library/Preferences/SystemConfiguration")
48#define PREFS_DEFAULT_CONFIG CFSTR("preferences.plist")
49
50#define PREFS_DEFAULT_DIR_OLD CFSTR("/var/db/SystemConfiguration")
51#define PREFS_DEFAULT_CONFIG_OLD CFSTR("preferences.xml")
52
53#define PREFS_DEFAULT_USER_DIR CFSTR("Library/Preferences")
54
55#define NETWORK_INTERFACES_PREFS CFSTR("NetworkInterfaces.plist")
56#define INTERFACES CFSTR("Interfaces")
57
58
59/* Define the per-preference-handle structure */
60typedef struct {
61
62 /* base CFType information */
63 CFRuntimeBase cfBase;
64
65 /* lock */
66 pthread_mutex_t lock;
67
68 /* session name */
69 CFStringRef name;
70
71 /* preferences ID */
72 CFStringRef prefsID;
73
74 /* options */
75 CFDictionaryRef options;
76
77 /* configuration file */
78 char *path;
79 char *newPath;
80
81 /* preferences lock, lock file */
82 Boolean locked;
83 int lockFD;
84 char *lockPath;
85 struct timeval lockTime;
86
87 /* configuration file signature */
88 CFDataRef signature;
89
90 /* configd session */
91 SCDynamicStoreRef session;
92 SCDynamicStoreRef sessionNoO_EXLOCK;
93 int sessionRefcnt;
94
95 /* configd session keys */
96 CFStringRef sessionKeyLock;
97 CFStringRef sessionKeyCommit;
98 CFStringRef sessionKeyApply;
99
100 /* run loop source, callout, context, rl scheduling info */
101 Boolean scheduled;
102 CFRunLoopSourceRef rls;
103 SCPreferencesCallBack rlsFunction;
104 SCPreferencesContext rlsContext;
105 CFMutableArrayRef rlList;
106 dispatch_queue_t dispatchQueue; // SCPreferencesSetDispatchQueue
107
108 /* preferences */
109 CFMutableDictionaryRef prefs;
110
111 /* flags */
112 Boolean accessed;
113 Boolean changed;
114 Boolean isRoot;
115 Boolean limit_SCNetworkConfiguration;
116
117 /* authorization, helper */
118 CFDataRef authorizationData;
119 mach_port_t helper_port;
120
121} SCPreferencesPrivate, *SCPreferencesPrivateRef;
122
123
124/* Define signature data */
125typedef struct {
126 int64_t st_dev; /* inode's device */
127 uint64_t st_ino; /* inode's number */
128 uint64_t tv_sec; /* time of last data modification */
129 uint64_t tv_nsec;
130 off_t st_size; /* file size, in bytes */
131} SCPSignatureData, *SCPSignatureDataRef;
132
133
134__BEGIN_DECLS
135
136os_log_t
137__log_SCPreferences (void);
138
139Boolean
140__SCPreferencesCreate_helper (SCPreferencesRef prefs);
141
142void
143__SCPreferencesAccess (SCPreferencesRef prefs);
144
145void
146__SCPreferencesAddSessionKeys (SCPreferencesRef prefs);
147
148Boolean
149__SCPreferencesAddSession (SCPreferencesRef prefs);
150
151void
152__SCPreferencesRemoveSession (SCPreferencesRef prefs);
153
154void
155__SCPreferencesUpdateLockedState (SCPreferencesRef prefs,
156 Boolean locked);
157
158CF_RETURNS_RETAINED
159CFDataRef
160__SCPSignatureFromStatbuf (const struct stat *statBuf);
161
162char *
163__SCPreferencesPath (CFAllocatorRef allocator,
164 CFStringRef prefsID,
165 Boolean useNewPrefs);
166
167off_t
168__SCPreferencesPrefsSize (SCPreferencesRef prefs);
169
170CF_RETURNS_RETAINED
171CFStringRef
172_SCPNotificationKey (CFAllocatorRef allocator,
173 CFStringRef prefsID,
174 int keyType);
175Boolean
176__SCPreferencesGetLimitSCNetworkConfiguration (SCPreferencesRef prefs);
177
178void
179__SCPreferencesSetLimitSCNetworkConfiguration
180 (SCPreferencesRef prefs,
181 Boolean limit_SCNetworkConfiguration);
182
183Boolean
184__SCPreferencesUsingDefaultPrefs (SCPreferencesRef prefs);
185
186SCPreferencesRef
187__SCPreferencesCreateNIPrefsFromPrefs (SCPreferencesRef prefs);
188
189__END_DECLS
190
191#endif /* _SCPREFERENCESINTERNAL_H */