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From: Robert Watson <rwatson@FreeBSD.org>
Date: Mon, 21 Oct 2002 11:42:01 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/sys mac.h src/sys/security/mac_biba mac_biba.c
         mac_biba.h src/sys/security/mac_mls mac_mls.c mac_mls.h
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rwatson     2002/10/21 11:42:01 PDT

  Modified files:
    sys/sys              mac.h 
    sys/security/mac_biba mac_biba.c mac_biba.h 
    sys/security/mac_mls mac_mls.c mac_mls.h 
  Log:
  Add compartment support to Biba and MLS policies.  The logic of the
  policies remains the same: subjects and objects are labeled for
  integrity or sensitivity, and a dominance operator determines whether
  or not subject/object accesses are permitted to limit inappropriate
  information flow.  Compartments are a non-hierarchal component to
  the label, so add a bitfield to the label element for each, and a
  set check as part of the dominance operator.  This permits the
  implementation of "need to know" elements of MLS.
  
  Obtained from:  TrustedBSD Project
  Sponsored by:   DARPA, Network Associates Laboratories
  
  Revision  Changes    Path
  1.24      +58 -16    src/sys/security/mac_biba/mac_biba.c
  1.2       +11 -1     src/sys/security/mac_biba/mac_biba.h
  1.22      +58 -16    src/sys/security/mac_mls/mac_mls.c
  1.2       +11 -1     src/sys/security/mac_mls/mac_mls.h
  1.15      +4 -0      src/sys/sys/mac.h

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