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mac_lomac.h
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Editing: mac_lomac.h
/*- * 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. * * $FreeBSD$ */ /* * 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 /* Equivalent 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 */
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