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, 2000, 2001, 2002 Robert N. M. Watson
30   * Copyright (c) 2001, 2002 Networks Associates Technology, Inc.
31   * Copyright (c) 2005 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   * Redistribution and use in source and binary forms, with or without
42   * modification, are permitted provided that the following conditions
43   * are met:
44   * 1. Redistributions of source code must retain the above copyright
45   *    notice, this list of conditions and the following disclaimer.
46   * 2. Redistributions in binary form must reproduce the above copyright
47   *    notice, this list of conditions and the following disclaimer in the
48   *    documentation and/or other materials provided with the distribution.
49   *
50   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
51   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53   * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
54   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60   * SUCH DAMAGE.
61   *
62   * $FreeBSD: src/sys/sys/_label.h,v 1.4 2003/05/08 19:49:42 rwatson Exp $
63   */
64  #ifndef _SECURITY_LABEL_H_
65  #define _SECURITY_LABEL_H_
66  
67  /*
68   * XXXMAC: This shouldn't be exported to userland, but is because of ucred.h
69   * and various other messes.
70   */
71  #if defined(XNU_TARGET_OS_OSX)
72  #define MAC_MAX_SLOTS   7
73  #else
74  #if CONFIG_VNGUARD
75  #define MAC_MAX_SLOTS   4
76  #else
77  #define MAC_MAX_SLOTS   3
78  #endif
79  #endif
80  
81  #define MAC_FLAG_INITIALIZED    0x0000001       /* Is initialized for use. */
82  
83  struct label {
84  	int     l_flags;
85  	union {
86  		void    * XNU_PTRAUTH_SIGNED_PTR("label.l_ptr") l_ptr;
87  		long     l_long;
88  	}       l_perpolicy[MAC_MAX_SLOTS];
89  };
90  
91  #endif /* !_SECURITY_LABEL_H_ */