security/_label.h

   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_ */