81 lines
3.1 KiB
Groff
81 lines
3.1 KiB
Groff
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
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.\" All rights reserved.
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.\"
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.\" This software was developed for the FreeBSD Project by Chris Costello
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.\" at Safeport Network Services and Network Associates Labs, the Security
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.\" Research Division of Network Associates, Inc. under DARPA/SPAWAR
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.\" contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS research
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.\" program.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.Dd OCTOBER 25, 2002
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.Os
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.Dt MACLABEL 7
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.Sh NAME
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.Nm maclabel
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.Nd Mandatory Access Control label format
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.Sh DESCRIPTION
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If Mandatory Access Control, or
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.Dq MAC ,
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is enabled in your kernel,
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then in addition to the traditional credentials,
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each subject
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(typically a user or a socket)
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and object
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(file system object, socket, etc)
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is given a
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.Em MAC label .
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The MAC label specifies the necessary subject-specific or
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object-specific information necessary for a MAC security policy
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.\" .Xr ( mac 9 )
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to enforce access control on the subject/object.
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.Pp
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The format for a MAC label is defined as follows:
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.Dl Sy policy1 Ns No / Ns Sy qualifier1 , Ns Sy policy2 Ns No / Ns Sy qualifier2 , Ns ...
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.Pp
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A MAC label consists of a policy name,
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followed by a forward slash,
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followed by the subject or object's qualifier,
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optionally followed by a comma and one or more additional policy labels.
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For example:
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.Pp
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.Dl Li "biba/low(low-low)"
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.Dl Li "biba/high(low-high),te/equal(equal-equal),partition/0"
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.Sh SEE ALSO
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.Xr mac 3 ,
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.Xr posix1e 3 ,
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.Xr mac 9
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.Sh HISTORY
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MAC first appeared in
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.Fx 5.0 .
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.Sh AUTHORS
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This software was contributed to the
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.Fx
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Project by NAI Labs, the Security Research Division of Network Associates
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Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"),
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as part of the DARPA CHATS research program.
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