overby.me
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1/*
2 * Copyright (c) 2000-2005, 2009, 2011, 2015 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 * May 1, 2003 Allan Nathanson <ajn@apple.com>
28 * - add console [session] information SPIs
29 *
30 * June 1, 2001 Allan Nathanson <ajn@apple.com>
31 * - public API conversion
32 *
33 * January 2, 2001 Allan Nathanson <ajn@apple.com>
34 * - initial revision
35 */
36
37#include <SystemConfiguration/SystemConfiguration.h>
38#include <SystemConfiguration/SCValidation.h>
39#include <SystemConfiguration/SCPrivate.h>
40
41
42#undef kSCPropUsersConsoleUserName
43#define kSCPropUsersConsoleUserName CFSTR("Name")
44
45#undef kSCPropUsersConsoleUserUID
46#define kSCPropUsersConsoleUserUID CFSTR("UID")
47
48#undef kSCPropUsersConsoleUserGID
49#define kSCPropUsersConsoleUserGID CFSTR("GID")
50
51#undef kSCPropUsersConsoleSessionInfo
52#define kSCPropUsersConsoleSessionInfo CFSTR("SessionInfo")
53
54
55// from CoreGraphics (CGSession.h)
56const CFStringRef kSCConsoleSessionUserName = CFSTR("kCGSSessionUserNameKey"); /* value is CFString */
57const CFStringRef kSCConsoleSessionUID = CFSTR("kCGSSessionUserIDKey"); /* value is CFNumber (a uid_t) */
58const CFStringRef kSCConsoleSessionConsoleSet = CFSTR("kCGSSessionConsoleSetKey"); /* value is CFNumber */
59const CFStringRef kSCConsoleSessionOnConsole = CFSTR("kCGSSessionOnConsoleKey"); /* value is CFBoolean */
60const CFStringRef kSCConsoleSessionLoginDone = CFSTR("kCGSessionLoginDoneKey"); /* value is CFBoolean */
61
62// from CoreGraphics (CGSSession.h)
63const CFStringRef kSCConsoleSessionID = CFSTR("kCGSSessionIDKey"); /* value is CFNumber */
64
65// for loginwindow
66const CFStringRef kSCConsoleSessionSystemSafeBoot = CFSTR("kCGSSessionSystemSafeBoot"); /* value is CFBoolean */
67const CFStringRef kSCConsoleSessionLoginwindowSafeLogin = CFSTR("kCGSSessionLoginwindowSafeLogin"); /* value is CFBoolean */
68
69
70CFStringRef
71SCDynamicStoreKeyCreateConsoleUser(CFAllocatorRef allocator)
72{
73 return SCDynamicStoreKeyCreate(allocator,
74 CFSTR("%@/%@/%@"),
75 kSCDynamicStoreDomainState,
76 kSCCompUsers,
77 kSCEntUsersConsoleUser);
78}
79
80
81CFStringRef
82SCDynamicStoreCopyConsoleUser(SCDynamicStoreRef store,
83 uid_t *uid,
84 gid_t *gid)
85{
86 CFStringRef consoleUser = NULL;
87 CFDictionaryRef dict = NULL;
88 CFStringRef key;
89
90 key = SCDynamicStoreKeyCreateConsoleUser(NULL);
91 dict = SCDynamicStoreCopyValue(store, key);
92 CFRelease(key);
93 if (!isA_CFDictionary(dict)) {
94 _SCErrorSet(kSCStatusNoKey);
95 goto done;
96 }
97
98 consoleUser = CFDictionaryGetValue(dict, kSCPropUsersConsoleUserName);
99 consoleUser = isA_CFString(consoleUser);
100 if (!consoleUser) {
101 _SCErrorSet(kSCStatusNoKey);
102 goto done;
103 }
104
105 CFRetain(consoleUser);
106
107 if (uid) {
108 CFNumberRef num;
109 SInt32 val;
110
111 num = CFDictionaryGetValue(dict, kSCPropUsersConsoleUserUID);
112 if (isA_CFNumber(num)) {
113 if (CFNumberGetValue(num, kCFNumberSInt32Type, &val)) {
114 *uid = (uid_t)val;
115 }
116 }
117 }
118
119 if (gid) {
120 CFNumberRef num;
121 SInt32 val;
122
123 num = CFDictionaryGetValue(dict, kSCPropUsersConsoleUserGID);
124 if (isA_CFNumber(num)) {
125 if (CFNumberGetValue(num, kCFNumberSInt32Type, &val)) {
126 *gid = (gid_t)val;
127 }
128 }
129 }
130
131 done :
132
133 if (dict) CFRelease(dict);
134 return consoleUser;
135}
136
137
138CFArrayRef
139SCDynamicStoreCopyConsoleInformation(SCDynamicStoreRef store)
140{
141 CFDictionaryRef dict = NULL;
142 CFArrayRef info = NULL;
143 CFStringRef key;
144
145 key = SCDynamicStoreKeyCreateConsoleUser(NULL);
146 dict = SCDynamicStoreCopyValue(store, key);
147 CFRelease(key);
148 if (!isA_CFDictionary(dict)) {
149 _SCErrorSet(kSCStatusNoKey);
150 goto done;
151 }
152
153 info = CFDictionaryGetValue(dict, kSCPropUsersConsoleSessionInfo);
154 info = isA_CFArray(info);
155 if (info == NULL) {
156 _SCErrorSet(kSCStatusNoKey);
157 goto done;
158 }
159
160 CFRetain(info);
161
162 done :
163
164 if (dict) CFRelease(dict);
165 return info;
166}
167
168
169Boolean
170SCDynamicStoreSetConsoleInformation(SCDynamicStoreRef store,
171 const char *user,
172 uid_t uid,
173 gid_t gid,
174 CFArrayRef sessions)
175{
176 CFStringRef consoleUser;
177 CFMutableDictionaryRef dict = NULL;
178 CFStringRef key = SCDynamicStoreKeyCreateConsoleUser(NULL);
179 Boolean ok = FALSE;
180
181 if ((user == NULL) && (sessions == NULL)) {
182 ok = SCDynamicStoreRemoveValue(store, key);
183 goto done;
184 }
185
186 dict = CFDictionaryCreateMutable(NULL,
187 0,
188 &kCFTypeDictionaryKeyCallBacks,
189 &kCFTypeDictionaryValueCallBacks);
190
191 if (user != NULL) {
192 CFNumberRef num;
193
194 consoleUser = CFStringCreateWithCString(NULL, user, kCFStringEncodingMacRoman);
195 CFDictionarySetValue(dict, kSCPropUsersConsoleUserName, consoleUser);
196 CFRelease(consoleUser);
197
198 num = CFNumberCreate(NULL, kCFNumberSInt32Type, (SInt32 *)&uid);
199 CFDictionarySetValue(dict, kSCPropUsersConsoleUserUID, num);
200 CFRelease(num);
201
202 num = CFNumberCreate(NULL, kCFNumberSInt32Type, (SInt32 *)&gid);
203 CFDictionarySetValue(dict, kSCPropUsersConsoleUserGID, num);
204 CFRelease(num);
205 }
206
207 if (sessions != NULL) {
208 CFDictionarySetValue(dict, kSCPropUsersConsoleSessionInfo, sessions);
209 }
210
211 ok = SCDynamicStoreSetValue(store, key, dict);
212
213 done :
214
215 if (dict) CFRelease(dict);
216 if (key) CFRelease(key);
217 return ok;
218}
219
220
221Boolean
222SCDynamicStoreSetConsoleUser(SCDynamicStoreRef store,
223 const char *user,
224 uid_t uid,
225 gid_t gid)
226{
227 CFStringRef consoleUser;
228 CFMutableDictionaryRef dict = NULL;
229 CFStringRef key = SCDynamicStoreKeyCreateConsoleUser(NULL);
230 CFNumberRef num;
231 Boolean ok = FALSE;
232
233 if (user == NULL) {
234 ok = SCDynamicStoreRemoveValue(store, key);
235 goto done;
236 }
237
238 dict = CFDictionaryCreateMutable(NULL,
239 0,
240 &kCFTypeDictionaryKeyCallBacks,
241 &kCFTypeDictionaryValueCallBacks);
242
243 consoleUser = CFStringCreateWithCString(NULL, user, kCFStringEncodingMacRoman);
244 CFDictionarySetValue(dict, kSCPropUsersConsoleUserName, consoleUser);
245 CFRelease(consoleUser);
246
247 num = CFNumberCreate(NULL, kCFNumberSInt32Type, (SInt32 *)&uid);
248 CFDictionarySetValue(dict, kSCPropUsersConsoleUserUID, num);
249 CFRelease(num);
250
251 num = CFNumberCreate(NULL, kCFNumberSInt32Type, (SInt32 *)&gid);
252 CFDictionarySetValue(dict, kSCPropUsersConsoleUserGID, num);
253 CFRelease(num);
254
255 ok = SCDynamicStoreSetValue(store, key, dict);
256
257 done :
258
259 if (dict) CFRelease(dict);
260 if (key) CFRelease(key);
261 return ok;
262}