xref: /freebsd/sys/security/mac_bsdextended/mac_bsdextended.h (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * Copyright (c) 1999-2002 Robert N. M. Watson
3  * Copyright (c) 2001-2004 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 Network
9  * Associates Laboratories, the Security Research Division of Network
10  * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
11  * as part of the DARPA 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  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef _SYS_SECURITY_MAC_BSDEXTENDED_H
36 #define	_SYS_SECURITY_MAC_BSDEXTENDED_H
37 
38 #define MB_VERSION 2 /* Used to check library and kernel are the same. */
39 
40 /*
41  * Rights that can be represented in mbr_mode.  These have the same values as
42  * the V* rights in vnode.h, but in order to avoid sharing user and kernel
43  * constants, we define them here.  That will also improve ABI stability if
44  * the in-kernel values change.
45  */
46 #define	MBI_EXEC	000100
47 #define	MBI_WRITE	000200
48 #define	MBI_READ	000400
49 #define	MBI_ADMIN	010000
50 #define	MBI_STAT	020000
51 #define	MBI_APPEND	040000
52 #define	MBI_ALLPERM	(MBI_EXEC | MBI_WRITE | MBI_READ | MBI_ADMIN | \
53 			    MBI_STAT | MBI_APPEND)
54 
55 #define	MBS_UID_DEFINED	0x00000001	/* uid field should be matched */
56 #define	MBS_GID_DEFINED	0x00000002	/* gid field should be matched */
57 #define	MBS_PRISON_DEFINED 0x00000004	/* prison field should be matched */
58 
59 #define MBS_ALL_FLAGS (MBS_UID_DEFINED | MBS_GID_DEFINED | MBS_PRISON_DEFINED)
60 
61 struct mac_bsdextended_subject {
62 	int	mbs_flags;
63 	int	mbs_neg;
64 	uid_t	mbs_uid_min;
65 	uid_t	mbs_uid_max;
66 	gid_t	mbs_gid_min;
67 	gid_t	mbs_gid_max;
68 	int	mbs_prison;
69 };
70 
71 #define	MBO_UID_DEFINED	0x00000001	/* uid field should be matched */
72 #define	MBO_GID_DEFINED	0x00000002	/* gid field should be matched */
73 #define	MBO_FSID_DEFINED 0x00000004	/* fsid field should be matched */
74 #define	MBO_SUID	0x00000008	/* object must be suid */
75 #define	MBO_SGID	0x00000010	/* object must be sgid */
76 #define	MBO_UID_SUBJECT	0x00000020	/* uid must match subject */
77 #define	MBO_GID_SUBJECT	0x00000040	/* gid must match subject */
78 #define	MBO_TYPE_DEFINED 0x00000080	/* object type should be matched */
79 
80 #define MBO_ALL_FLAGS (MBO_UID_DEFINED | MBO_GID_DEFINED | MBO_FSID_DEFINED | \
81 	    MBO_SUID | MBO_SGID | MBO_UID_SUBJECT | MBO_GID_SUBJECT | \
82 	    MBO_TYPE_DEFINED)
83 
84 #define MBO_TYPE_REG	0x00000001
85 #define MBO_TYPE_DIR	0x00000002
86 #define MBO_TYPE_BLK	0x00000004
87 #define MBO_TYPE_CHR	0x00000008
88 #define MBO_TYPE_LNK	0x00000010
89 #define MBO_TYPE_SOCK	0x00000020
90 #define MBO_TYPE_FIFO	0x00000040
91 
92 #define MBO_ALL_TYPE	(MBO_TYPE_REG | MBO_TYPE_DIR | MBO_TYPE_BLK | \
93 	    MBO_TYPE_CHR | MBO_TYPE_LNK | MBO_TYPE_SOCK | MBO_TYPE_FIFO)
94 
95 struct mac_bsdextended_object {
96 	int	mbo_flags;
97 	int	mbo_neg;
98 	uid_t	mbo_uid_min;
99 	uid_t	mbo_uid_max;
100 	gid_t	mbo_gid_min;
101 	gid_t	mbo_gid_max;
102 	fsid_t	mbo_fsid;
103 	int	mbo_type;
104 };
105 
106 struct mac_bsdextended_rule {
107 	struct mac_bsdextended_subject	mbr_subject;
108 	struct mac_bsdextended_object	mbr_object;
109 	mode_t				mbr_mode;	/* maximum access */
110 };
111 
112 #endif /* _SYS_SECURITY_MAC_BSDEXTENDED_H */
113