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 * Copyright (c) 1999-2002 Robert N. M. Watson
30 * Copyright (c) 2001-2005 Networks Associates Technology, Inc.
31 * Copyright (c) 2005-2006 SPARTA, Inc.
32 * All rights reserved.
33 *
34 * This software was developed by Robert Watson for the TrustedBSD Project.
35 *
36 * This software was developed for the FreeBSD Project in part by Network
37 * Associates Laboratories, the Security Research Division of Network
38 * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
39 * as part of the DARPA CHATS research program.
40 *
41 * This software was enhanced by SPARTA ISSO under SPAWAR contract
42 * N66001-04-C-6019 ("SEFOS").
43 *
44 * Redistribution and use in source and binary forms, with or without
45 * modification, are permitted provided that the following conditions
46 * are met:
47 * 1. Redistributions of source code must retain the above copyright
48 * notice, this list of conditions and the following disclaimer.
49 * 2. Redistributions in binary form must reproduce the above copyright
50 * notice, this list of conditions and the following disclaimer in the
51 * documentation and/or other materials provided with the distribution.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * $FreeBSD: src/sys/sys/mac.h,v 1.40 2003/04/18 19:57:37 rwatson Exp $
66 */
67/*
68 * Userland interface for Mandatory Access Control.
69 *
70 * The POSIX.1e implementation page may be reached at:
71 * http://www.trustedbsd.org/
72 */
73
74#ifndef _SECURITY_MAC_H_
75#define _SECURITY_MAC_H_
76
77#ifndef _POSIX_MAC
78#define _POSIX_MAC
79#endif
80
81#include <sys/types.h>
82
83/*
84 * MAC framework-related constants and limits.
85 */
86#define MAC_MAX_POLICY_NAME 32
87#define MAC_MAX_LABEL_ELEMENT_NAME 32
88#define MAC_MAX_LABEL_ELEMENT_DATA 4096
89#define MAC_MAX_LABEL_BUF_LEN 8192
90#define MAC_MAX_MANAGED_NAMESPACES 4
91
92struct mac {
93 size_t m_buflen;
94 char *m_string;
95};
96
97typedef struct mac *mac_t;
98
99#ifdef KERNEL
100
101#ifndef PRIVATE
102#warning "MAC policy is not KPI, see Technical Q&A QA1574"
103#endif
104
105#if DEBUG
106#define SECURITY_MAC_CTLFLAGS (CTLFLAG_RW | CTLFLAG_LOCKED)
107#define SECURITY_MAC_CHECK_ENFORCE 1
108#else
109#define SECURITY_MAC_CTLFLAGS (CTLFLAG_RD | CTLFLAG_LOCKED)
110#define SECURITY_MAC_CHECK_ENFORCE 0
111#endif
112
113struct user_mac {
114 user_size_t m_buflen;
115 user_addr_t m_string;
116};
117
118struct user32_mac {
119 uint32_t m_buflen;
120 uint32_t m_string;
121};
122
123struct user64_mac {
124 uint64_t m_buflen;
125 uint64_t m_string;
126};
127#endif /* KERNEL */
128
129/*
130 * Flags for mac_proc_check_suspend_resume()
131 */
132#define MAC_PROC_CHECK_SUSPEND 0
133#define MAC_PROC_CHECK_RESUME 1
134#define MAC_PROC_CHECK_HIBERNATE 2
135#define MAC_PROC_CHECK_SHUTDOWN_SOCKETS 3
136#define MAC_PROC_CHECK_PIDBIND 4
137
138#ifndef KERNEL
139/*
140 * Location of the userland MAC framework configuration file. mac.conf
141 * binds policy names to shared libraries that understand those policies,
142 * as well as setting defaults for MAC-aware applications.
143 */
144#define MAC_CONFFILE "/etc/mac.conf"
145
146/*
147 * Extended non-POSIX.1e interfaces that offer additional services
148 * available from the userland and kernel MAC frameworks.
149 */
150#ifdef __APPLE_API_PRIVATE
151__BEGIN_DECLS
152int __mac_execve(char *fname, char **argv, char **envv, mac_t _label);
153int __mac_get_fd(int _fd, mac_t _label);
154int __mac_get_file(const char *_path, mac_t _label);
155int __mac_get_link(const char *_path, mac_t _label);
156int __mac_get_pid(pid_t _pid, mac_t _label);
157int __mac_get_proc(mac_t _label);
158int __mac_set_fd(int _fildes, const mac_t _label);
159int __mac_set_file(const char *_path, mac_t _label);
160int __mac_set_link(const char *_path, mac_t _label);
161int __mac_mount(const char *type, const char *path, int flags, void *data,
162 struct mac *label);
163int __mac_get_mount(const char *path, struct mac *label);
164int __mac_set_proc(const mac_t _label);
165int __mac_syscall(const char *_policyname, int _call, void *_arg);
166__END_DECLS
167#endif /*__APPLE_API_PRIVATE*/
168
169#endif
170
171#endif /* !_SECURITY_MAC_H_ */
172