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
105struct user_mac {
106	user_size_t	m_buflen;
107	user_addr_t	m_string;
108};
109
110struct user32_mac {
111	uint32_t	m_buflen;
112	uint32_t	m_string;
113};
114
115struct user64_mac {
116	uint64_t	m_buflen;
117	uint64_t	m_string;
118};
119#endif /* KERNEL */
120
121/*
122 * Flags to control which MAC subsystems are enforced
123 * on a per-process/thread/credential basis.
124 */
125#define MAC_SYSTEM_ENFORCE	0x0001	/* system management */
126#define MAC_PROC_ENFORCE	0x0002	/* process management */
127#define MAC_MACH_ENFORCE	0x0004	/* mach interfaces */
128#define MAC_VM_ENFORCE		0x0008	/* VM interfaces */
129#define MAC_FILE_ENFORCE	0x0010	/* file operations */
130#define MAC_SOCKET_ENFORCE	0x0020	/* socket operations */
131#define MAC_PIPE_ENFORCE	0x0040	/* pipes */
132#define MAC_VNODE_ENFORCE	0x0080	/* vnode operations */
133#define MAC_NET_ENFORCE		0x0100	/* network management */
134#define MAC_MBUF_ENFORCE	0x0200	/* network traffic */
135#define MAC_POSIXSEM_ENFORCE	0x0400	/* posix semaphores */
136#define MAC_POSIXSHM_ENFORCE	0x0800	/* posix shared memory */
137#define MAC_SYSVMSG_ENFORCE	0x1000	/* SysV message queues */
138#define MAC_SYSVSEM_ENFORCE	0x2000	/* SysV semaphores */
139#define MAC_SYSVSHM_ENFORCE	0x4000	/* SysV shared memory */
140#define MAC_ALL_ENFORCE		0x7fff	/* enforce everything */
141
142/*
143 * Device types for mac_iokit_check_device()
144 */
145#define MAC_DEVICE_USB		"USB"
146#define MAC_DEVICE_FIREWIRE	"FireWire"
147#define MAC_DEVICE_TYPE_KEY	"DeviceType"
148
149/*
150 * Flags for mac_proc_check_suspend_resume()
151 */
152#define MAC_PROC_CHECK_SUSPEND   		0
153#define MAC_PROC_CHECK_RESUME    		1
154#define MAC_PROC_CHECK_HIBERNATE 		2
155#define MAC_PROC_CHECK_SHUTDOWN_SOCKETS		3
156#define MAC_PROC_CHECK_PIDBIND			4
157
158#ifndef KERNEL
159/*
160 * Location of the userland MAC framework configuration file.  mac.conf
161 * binds policy names to shared libraries that understand those policies,
162 * as well as setting defaults for MAC-aware applications.
163 */
164#define	MAC_CONFFILE	"/etc/mac.conf"
165
166/*
167 * Extended non-POSIX.1e interfaces that offer additional services
168 * available from the userland and kernel MAC frameworks.
169 */
170#ifdef __APPLE_API_PRIVATE
171__BEGIN_DECLS
172int	 __mac_execve(char *fname, char **argv, char **envv, mac_t _label);
173int	 __mac_get_fd(int _fd, mac_t _label);
174int	 __mac_get_file(const char *_path, mac_t _label);
175int	 __mac_get_lcid(pid_t _lcid, mac_t _label);
176int	 __mac_get_lctx(mac_t _label);
177int	 __mac_get_link(const char *_path, mac_t _label);
178int	 __mac_get_pid(pid_t _pid, mac_t _label);
179int	 __mac_get_proc(mac_t _label);
180int	 __mac_set_fd(int _fildes, const mac_t _label);
181int	 __mac_set_file(const char *_path, mac_t _label);
182int	 __mac_set_lctx(mac_t _label);
183int	 __mac_set_link(const char *_path, mac_t _label);
184int	 __mac_mount(const char *type, const char *path, int flags, void *data,
185    struct mac *label);
186int	 __mac_get_mount(const char *path, struct mac *label);
187int	 __mac_set_proc(const mac_t _label);
188int	 __mac_syscall(const char *_policyname, int _call, void *_arg);
189__END_DECLS
190#endif /*__APPLE_API_PRIVATE*/
191
192#endif
193
194#endif /* !_SECURITY_MAC_H_ */
195