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 #if XNU_KERNEL_PRIVATE 82 /* l_owner set to this value means the label is inlined in the cred */ 83 #define MAC_LABEL_CRED_OWNED ((struct label **)~0ul) 84 #define MAC_LABEL_NULL_SLOT (~0l) 85 86 struct label { 87 struct label **l_owner; 88 long l_perpolicy[MAC_MAX_SLOTS]; 89 }; 90 91 extern const struct label empty_label; 92 #else 93 struct label; 94 #endif 95 96 #endif /* !_SECURITY_LABEL_H_ */ 97