1.\" $NetBSD: secmodel_overlay.9,v 1.2 2006/09/17 13:43:26 elad Exp $ 2.\" 3.\" Copyright (c) 2006 Elad Efrat <elad@NetBSD.org> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Elad Efrat. 17.\" 4. The name of the author may not be used to endorse or promote products 18.\" derived from this software without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.Dd September 15, 2006 32.Dt SECMODEL_OVERLAY 9 33.Os 34.Sh NAME 35.Nm secmodel_overlay 36.Nd sample overlay security model implementation 37.Sh SYNOPSIS 38.In secmodel/overlay/overlay.h 39.Sh DESCRIPTION 40.Nm 41is a sample implementation for an overlay security model. 42It can be thought of as a 43.Dq filter 44for the underlying model it overlays, by default it is 45.Xr secmodel_bsd44 9 , 46where developers or administrators can implement custom policies using 47least intrusive code changes. 48.Sh FILES 49.Pa /usr/src/sys/secmodel/overlay/secmodel_overlay.c 50.Sh SEE ALSO 51.Xr kauth 9 , 52.Xr secmodel 9 , 53.Xr secmodel_bsd44 9 54.Sh AUTHORS 55.An Elad Efrat Aq elad@NetBSD.org 56