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Diffstat (limited to 'static/freebsd/man5/mac.conf.5')
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diff --git a/static/freebsd/man5/mac.conf.5 b/static/freebsd/man5/mac.conf.5 new file mode 100644 index 00000000..99d75584 --- /dev/null +++ b/static/freebsd/man5/mac.conf.5 @@ -0,0 +1,111 @@ +.\" Copyright (c) 2003 Networks Associates Technology, Inc. +.\" All rights reserved. +.\" +.\" This software was developed for the FreeBSD Project in part by Network +.\" Associates Laboratories, 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. +.\" +.Dd January 19. 2026 +.Dt MAC.CONF 5 +.Os +.Sh NAME +.Nm mac.conf +.Nd format of the MAC library configuration file +.Sh DESCRIPTION +The +.Nm +file configures the default label elements to be used by policy-agnostic +applications that operate on MAC labels. +A file contains a series of default label sets specified by object class, +in addition to blank lines and comments preceded by a +.Ql # +symbol. +.Pp +Currently, the implementation supports two syntax styles for label +element declaration. +The old (deprecated) syntax consists of a +single line with two fields separated by white space: the object +class name, and a list of label elements as used by the +.Xr mac_prepare 3 +library calls prior to an application invocation of a function from +.Xr mac_get 3 . +.Pp +The newer more preferred syntax consists of three fields separated by +white space: the label group, object class name and a list of +label elements. +.Pp +Label element names may optionally begin with a +.Ql \&? +symbol to indicate that a failure to retrieve the label element for +an object should be silently ignored, and improves usability if the +set of MAC policies may change over time. +.Sh FILES +.Bl -tag -width ".Pa /etc/mac.conf" -compact +.It Pa /etc/mac.conf +MAC library configuration file. +.El +.Sh EXAMPLES +The following example configures user applications to operate with +four MAC policies: +.Xr mac_biba 4 , +.Xr mac_mls 4 , +SEBSD, +and +.Xr mac_partition 4 . +.Bd -literal -offset indent +# +# Default label set to be used by simple MAC applications + +default_labels file ?biba,?lomac,?mls,?sebsd +default_labels jail ? +default_labels ifnet ?biba,?lomac,?mls,?sebsd +default_labels process ?biba,?lomac,?mls,?partition,?sebsd +default_labels socket ?biba,?lomac,?mls + +# +# Deprecated (old) syntax + +default_file_labels ?biba,?mls,?sebsd +default_ifnet_labels ?biba,?mls,?sebsd +default_process_labels ?biba,?mls,partition,?sebsd +.Ed +.Pp +In this example, userland applications will attempt to retrieve Biba, +MLS, and SEBSD labels for all object classes; for processes, they will +additionally attempt to retrieve a Partition identifier. +In all cases except the Partition identifier, failure to retrieve a +label due to the respective policy not being present will be ignored. +.Sh SEE ALSO +.Xr mac 3 , +.Xr mac_get 3 , +.Xr mac_prepare 3 , +.Xr mac 4 , +.Xr mac 9 +.Sh HISTORY +Support for Mandatory Access Control was introduced in +.Fx 5.0 +as part of the +.Tn TrustedBSD +Project. |