1/*
2 * Copyright (c) 2007 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_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. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/*-
30 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
31 * Copyright (c) 2001 Ilmar S. Habibulin
32 * Copyright (c) 2001, 2002, 2003, 2004 Networks Associates Technology, Inc.
33 *
34 * This software was developed by Robert Watson and Ilmar Habibulin for the
35 * TrustedBSD Project.
36 *
37 * This software was developed for the FreeBSD Project in part by Network
38 * Associates Laboratories, the Security Research Division of Network
39 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
40 * as part of the DARPA CHATS research program.
41 *
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
44 * are met:
45 * 1. Redistributions of source code must retain the above copyright
46 *    notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 *    notice, this list of conditions and the following disclaimer in the
49 *    documentation and/or other materials provided with the distribution.
50 *
51 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
54 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61 * SUCH DAMAGE.
62 *
63 */
64
65#include <sys/param.h>
66#include <sys/vnode.h>
67#include <sys/vnode_internal.h>
68
69#include <security/mac_internal.h>
70
71
72int
73mac_system_check_acct(kauth_cred_t cred, struct vnode *vp)
74{
75	int error;
76
77	if (!mac_system_enforce)
78		return (0);
79
80	MAC_CHECK(system_check_acct, cred, vp,
81	    vp != NULL ? vp->v_label : NULL);
82
83	return (error);
84}
85
86int
87mac_system_check_chud(kauth_cred_t cred)
88{
89	int error;
90
91	if (!mac_system_enforce)
92		return (0);
93
94	MAC_CHECK(system_check_chud, cred);
95
96	return (error);
97}
98
99int
100mac_system_check_host_priv(kauth_cred_t cred)
101{
102	int error;
103
104	if (!mac_system_enforce)
105		return (0);
106
107	MAC_CHECK(system_check_host_priv, cred);
108
109	return (error);
110}
111
112int
113mac_system_check_info(kauth_cred_t cred, const char *info_type)
114{
115	int error;
116
117	if (!mac_system_enforce)
118		return (0);
119
120	MAC_CHECK(system_check_info, cred, info_type);
121
122	return (error);
123}
124
125int
126mac_system_check_nfsd(kauth_cred_t cred)
127{
128	int error;
129
130	if (!mac_system_enforce)
131		return (0);
132
133	MAC_CHECK(system_check_nfsd, cred);
134
135	return (error);
136}
137
138int
139mac_system_check_reboot(kauth_cred_t cred, int howto)
140{
141	int error;
142
143	if (!mac_system_enforce)
144		return (0);
145
146	MAC_CHECK(system_check_reboot, cred, howto);
147
148	return (error);
149}
150
151int
152mac_system_check_settime(kauth_cred_t cred)
153{
154	int error;
155
156	if (!mac_system_enforce)
157		return (0);
158
159	MAC_CHECK(system_check_settime, cred);
160
161	return (error);
162}
163
164int
165mac_system_check_swapon(kauth_cred_t cred, struct vnode *vp)
166{
167	int error;
168
169	if (!mac_system_enforce)
170		return (0);
171
172	MAC_CHECK(system_check_swapon, cred, vp, vp->v_label);
173	return (error);
174}
175
176int
177mac_system_check_swapoff(kauth_cred_t cred, struct vnode *vp)
178{
179	int error;
180
181
182
183	if (!mac_system_enforce)
184		return (0);
185
186	MAC_CHECK(system_check_swapoff, cred, vp, vp->v_label);
187	return (error);
188}
189
190int
191mac_system_check_sysctl(kauth_cred_t cred, int *name, u_int namelen,
192    user_addr_t old, user_addr_t oldlenp, int inkernel, user_addr_t new, size_t newlen)
193{
194	int error;
195
196	/*
197	 * XXXMAC: We're very much like to assert the SYSCTL_LOCK here,
198	 * but since it's not exported from kern_sysctl.c, we can't.
199	 */
200	if (!mac_system_enforce)
201		return (0);
202
203	MAC_CHECK(system_check_sysctl, cred, name, namelen, old, oldlenp,
204	    inkernel, new, newlen);
205
206	return (error);
207}
208
209int
210mac_system_check_kas_info(kauth_cred_t cred, int selector)
211{
212	int error;
213
214	if (!mac_system_enforce)
215		return (0);
216
217	MAC_CHECK(system_check_kas_info, cred, selector);
218
219	return (error);
220}
221