mac_biba.h revision 105696 
1/*-
2 * Copyright (c) 1999, 2000, 2001, 2002 Robert N. M. Watson
3 * Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
4 * All rights reserved.
5 *
6 * This software was developed by Robert Watson for the TrustedBSD Project.
7 *
8 * This software was developed for the FreeBSD Project in part by NAI Labs,
9 * the Security Research Division of Network Associates, Inc. under
10 * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
11 * CHATS research program.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. The names of the authors may not be used to endorse or promote
22 *    products derived from this software without specific prior written
23 *    permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * $FreeBSD: head/sys/security/mac_biba/mac_biba.h 105696 2002-10-22 14:31:34Z rwatson $
38 */
39/*
40 * Definitions for the TrustedBSD Biba integrity policy module.
41 */
42#ifndef _SYS_SECURITY_MAC_BIBA_H
43#define	_SYS_SECURITY_MAC_BIBA_H
44
45#define	MAC_BIBA_EXTATTR_NAMESPACE	EXTATTR_NAMESPACE_SYSTEM
46#define	MAC_BIBA_EXTATTR_NAME		"mac_biba"
47
48#define	MAC_BIBA_LABEL_NAME		"biba"
49
50#define	MAC_BIBA_FLAG_SINGLE	0x00000001	/* mb_single initialized */
51#define	MAC_BIBA_FLAG_RANGE	0x00000002	/* mb_range* initialized */
52#define	MAC_BIBA_FLAGS_BOTH	(MAC_BIBA_FLAG_SINGLE | MAC_BIBA_FLAG_RANGE)
53
54#define	MAC_BIBA_TYPE_UNDEF	0	/* Undefined */
55#define	MAC_BIBA_TYPE_GRADE	1	/* Hierarchal grade with mb_grade. */
56#define	MAC_BIBA_TYPE_LOW	2	/* Dominated by any
57					 * MAC_BIBA_TYPE_LABEL. */
58#define	MAC_BIBA_TYPE_HIGH	3	/* Dominates any
59					 * MAC_BIBA_TYPE_LABEL. */
60#define	MAC_BIBA_TYPE_EQUAL	4	/* Equivilent to any
61					 * MAC_BIBA_TYPE_LABEL. */
62
63/*
64 * Biba compartments bit test/set macros.
65 * The range is 1 to MAC_BIBA_MAX_COMPARTMENTS.
66 */
67#define	MAC_BIBA_BIT_TEST(b, w) \
68	((w)[(((b) - 1) >> 3)] & (1 << (((b) - 1) & 7)))
69#define	MAC_BIBA_BIT_SET(b, w) \
70	((w)[(((b) - 1) >> 3)] |= (1 << (((b) - 1) & 7)))
71#define	MAC_BIBA_BIT_SET_EMPTY(set)	biba_bit_set_empty(set)
72
73#endif /* !_SYS_SECURITY_MAC_BIBA_H */
74