1.\" Copyright (c) 2002 Networks Associates Technology, Inc. 2.\" All rights reserved. 3.\" 4.\" This software was developed for the FreeBSD Project by Chris Costello 5.\" at Safeport Network Services and Network Associates Laboratories, the 6.\" Security Research Division of Network Associates, Inc. under 7.\" DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 8.\" DARPA CHATS research program. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 23.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29.\" SUCH DAMAGE. 30.\" 31.\" $FreeBSD$ 32.Dd DECEMBER 1, 2002 33.Os 34.Dt MAC_TEST 4 35.Sh NAME 36.Nm mac_test 37.Nd MAC framework testing policy 38.Sh SYNOPSIS 39To compile the testing policy 40into your kernel, place the following lines in your kernel 41configuration file: 42.Cd "options MAC" 43.Cd "options MAC_TEST" 44.Pp 45Alternately, to load the testing module at boot time, place the following line 46in your kernel configuration file: 47.Cd "options MAC" 48.Pp 49and in 50.Xr loader.conf.5 : 51.Cd mac_test_load= Ns \&"YES" 52.Sh DESCRIPTION 53The 54.Nm 55policy module implements a testing facility for the MAC framework. 56Among other things, 57.Nm 58will try to catch corrupt labels the system is attempting to destroy and 59drop to the debugger. 60Additionally, a set of statistics regarding the number of times various 61MAC framework entry points have been called is stored in the 62.Va security.mac.test 63.Xr sysctl 8 64tree. 65.Ss Label Format 66No labels are defined for 67.Nm . 68.Sh SEE ALSO 69.Xr mac 4 , 70.Xr mac_biba 4 , 71.Xr mac_bsdextended 4 , 72.Xr mac_ifoff 4 , 73.Xr mac_lomac 4 , 74.Xr mac_mls 4 , 75.Xr mac_none 4 , 76.Xr mac_partition 4 , 77.Xr mac_portacl 4 , 78.Xr mac_seeotheruids 4 , 79.Xr mac 9 80.Sh HISTORY 81The 82.Nm 83policy module first appeared in 84.Fx 5.0 85and was developed by the TrustedBSD Project. 86.Sh AUTHORS 87This software was contributed to the 88.Fx 89Project by Network Associates Labs, 90the Security Research Division of Network Associates 91Inc. under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), 92as part of the DARPA CHATS research program. 93.Sh BUGS 94See 95.Xr mac 9 96concerning appropriateness for production use. 97The TrustedBSD MAC Framework is considered experimental in 98.Fx . 99.Pp 100While the MAC Framework design is intended to support the containment of 101the root user, not all attack channels are currently protected by entry 102point checks. 103As such, MAC Framework policies should not be relied on, in isolation, 104to protect against a malicious privileged user. 105