Document the following MAC policies:

o None: Stub policy
o Seeotheruids: The "see processes and sockets owned by other users" policy
o Test: Debugging policy

Standardize the SYNOPSIS and HISTORY sections.

Update SEE ALSO sections.

1 files changed, 113 insertions, 0 deletions

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+.\" Copyright (c) 2002 Networks Associates Technology, Inc.
+.\" All rights reserved.
+.\" 
+.\" This software was developed for the FreeBSD Project by Chris
+.\" Costello at Safeport Network Services and Network Associates 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 AUTHORS 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 AUTHORS 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.
+.\" 
+.\" $FreeBSD$
+.Dd DECEMBER 8, 2002
+.Os
+.Dt MAC_SEEOTHERUIDS 4
+.Sh NAME
+.Nm mac_seeotheruids
+.Nd simple policy controlling whether users see other users
+.Sh SYNOPSIS
+To compile the mac_seeotheruids
+policy into your kernel, place the following lines in your kernel
+configuration file:
+.Cd "options MAC"
+.Cd "options MAC_SEEOTHERUIDS"
+.Pp
+Alternately, to load the module at boot time, place the following line
+in your kernel configuration file:
+.Cd "options MAC"
+.Pp
+and in
+.Xr loader.conf.5 :
+.Cd mac_seeotheruids_load= Ns \&"YES"
+.Sh DESCRIPTION
+The
+.Nm
+policy module, when enabled, denies users to see processes or sockets owned
+by other users.
+.Pp
+To enable
+.Nm ,
+set the sysctl OID
+.Va security.mac.seeotheruids.enabled
+to
+.Li 1 .
+.Pp
+To allow users to see processes and sockets owned by the same primary group,
+set the sysctl OID
+.Va security.mac.seeotheruids.primarygroup_enabled
+to
+.Li 1 .
+.Pp
+To allow processes with a specific group ID to be exempt from the policy,
+set the sysctl OID
+.Va security.mac.seeotheruids.specificgid_enabled
+to
+.Li 1 ,
+and
+.Va security.mac.seeotheruids.specificgid
+to the gid to be exempted.
+.Ss Label Format
+No labels are defined for
+.Nm .
+.Sh SEE ALSO
+.Xr mac_biba 4 ,
+.Xr mac_bsdextended 4 ,
+.Xr mac_mls 4 ,
+.Xr mac_none 4 ,
+.Xr mac_test 4 ,
+.Xr mac 9
+.Sh HISTORY
+The
+.Nm
+policy module first appeared in
+.Fx 5.0
+and was developed by the TrustedBSD Project.
+.Sh AUTHORS
+This software was contributed to the
+.Fx
+Project by Network Associates 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.
+.Sh BUGS
+See
+.Xr mac 9
+concerning appropriateness for production use.
+The TrustedBSD MAC Framework is considered experimental in
+.Fx .
+.Pp
+While the MAC Framework design is intended to support the containment of
+the root user, not all attack channels are currently protected by entry
+point checks.
+As such, MAC Framework policies should not be relied on, in isolation,
+to protect against a malicious privileged user.