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/*-
* Copyright (c) 1999-2002 Robert N. M. Watson
* Copyright (c) 2001-2002 Networks Associates Technology, Inc.
* All rights reserved.
*
* This software was developed by Robert Watson for the TrustedBSD Project.
*
* This software was developed for the FreeBSD Project in part by NAI Labs,
* the Security Research Division of Network Associates, Inc. under
* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
* CHATS research program.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/security/mac_lomac/mac_lomac.h 140661 2005-01-23 14:26:09Z rwatson $
*/
/*
* Definitions for the TrustedBSD LOMAC integrity policy module.
*/
#ifndef _SYS_SECURITY_MAC_LOMAC_H
#define _SYS_SECURITY_MAC_LOMAC_H
#define MAC_LOMAC_EXTATTR_NAMESPACE EXTATTR_NAMESPACE_SYSTEM
#define MAC_LOMAC_EXTATTR_NAME "mac_lomac"
#define MAC_LOMAC_LABEL_NAME "lomac"
#define MAC_LOMAC_FLAG_SINGLE 0x00000001 /* ml_single initialized */
#define MAC_LOMAC_FLAG_RANGE 0x00000002 /* ml_range* initialized */
#define MAC_LOMAC_FLAG_AUX 0x00000004 /* ml_auxsingle initialized */
#define MAC_LOMAC_FLAGS_BOTH (MAC_LOMAC_FLAG_SINGLE | MAC_LOMAC_FLAG_RANGE)
#define MAC_LOMAC_FLAG_UPDATE 0x00000008 /* must demote this process */
#define MAC_LOMAC_TYPE_UNDEF 0 /* Undefined */
#define MAC_LOMAC_TYPE_GRADE 1 /* Hierarchal grade with mb_grade. */
#define MAC_LOMAC_TYPE_LOW 2 /* Dominated by any
* MAC_LOMAC_TYPE_LABEL. */
#define MAC_LOMAC_TYPE_HIGH 3 /* Dominates any
* MAC_LOMAC_TYPE_LABEL. */
#define MAC_LOMAC_TYPE_EQUAL 4 /* Equivilent to any
* MAC_LOMAC_TYPE_LABEL. */
/*
* Structures and constants associated with a LOMAC Integrity policy.
* mac_lomac represents a LOMAC label, with mb_type determining its properties,
* and mb_grade represents the hierarchal grade if valid for the current
* mb_type.
*/
struct mac_lomac_element {
u_short mle_type;
u_short mle_grade;
};
/*
* LOMAC labels start with two components: a single label, and a label
* range. Depending on the context, one or both may be used; the ml_flags
* field permits the provider to indicate what fields are intended for
* use. The auxiliary label works the same way, but is only valid on
* filesystem objects to provide inheritance semantics on directories
* and "non-demoting" execution on executable files.
*/
struct mac_lomac {
int ml_flags;
struct mac_lomac_element ml_single;
struct mac_lomac_element ml_rangelow, ml_rangehigh;
struct mac_lomac_element ml_auxsingle;
};
#endif /* !_SYS_SECURITY_MAC_LOMAC_H */