1d97fcfceSRobert Watson.\" Copyright (c) 2002 Networks Associates Technology, Inc. 2d97fcfceSRobert Watson.\" All rights reserved. 3d97fcfceSRobert Watson.\" 4d97fcfceSRobert Watson.\" This software was developed for the FreeBSD Project by Chris 5d97fcfceSRobert Watson.\" Costello at Safeport Network Services and NAI Labs, the Security 6d97fcfceSRobert Watson.\" Research Division of Network Associates, Inc. under DARPA/SPAWAR 7d97fcfceSRobert Watson.\" contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS 8d97fcfceSRobert Watson.\" research program. 9d97fcfceSRobert Watson.\" 10d97fcfceSRobert Watson.\" Redistribution and use in source and binary forms, with or without 11d97fcfceSRobert Watson.\" modification, are permitted provided that the following conditions 12d97fcfceSRobert Watson.\" are met: 13d97fcfceSRobert Watson.\" 1. Redistributions of source code must retain the above copyright 14d97fcfceSRobert Watson.\" notice, this list of conditions and the following disclaimer. 15d97fcfceSRobert Watson.\" 2. Redistributions in binary form must reproduce the above copyright 16d97fcfceSRobert Watson.\" notice, this list of conditions and the following disclaimer in the 17d97fcfceSRobert Watson.\" documentation and/or other materials provided with the distribution. 18d97fcfceSRobert Watson.\" 3. The name of the author may not be used to endorse or promote 19d97fcfceSRobert Watson.\" products derived from this software without specific prior written 20d97fcfceSRobert Watson.\" permission. 21d97fcfceSRobert Watson.\" 22d97fcfceSRobert Watson.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 23d97fcfceSRobert Watson.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24d97fcfceSRobert Watson.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25d97fcfceSRobert Watson.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 26d97fcfceSRobert Watson.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27d97fcfceSRobert Watson.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28d97fcfceSRobert Watson.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29d97fcfceSRobert Watson.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30d97fcfceSRobert Watson.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31d97fcfceSRobert Watson.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32d97fcfceSRobert Watson.\" SUCH DAMAGE. 33d97fcfceSRobert Watson.\" 34d97fcfceSRobert Watson.\" $FreeBSD$ 353b296920SRuslan Ermilov.\" 36d97fcfceSRobert Watson.Dd January 9, 2002 37d97fcfceSRobert Watson.Dt MAC_IS_PRESENT_NP 3 38051bb54bSRuslan Ermilov.Os 39d97fcfceSRobert Watson.Sh NAME 40d97fcfceSRobert Watson.Nm mac_is_present_np 41d97fcfceSRobert Watson.Nd report whether the running system has MAC support 423b296920SRuslan Ermilov.Sh LIBRARY 433b296920SRuslan Ermilov.Lb libc 44d97fcfceSRobert Watson.Sh SYNOPSIS 45d97fcfceSRobert Watson.In sys/mac.h 46d97fcfceSRobert Watson.Ft int 47d97fcfceSRobert Watson.Fn mac_is_present "const char *policyname" 48d97fcfceSRobert Watson.Sh DESCRIPTION 49d97fcfceSRobert WatsonThe 50d97fcfceSRobert Watson.Fn mac_is_present_np 51d97fcfceSRobert Watsonfunction determines whether the currently-running kernel supports MAC for 52d97fcfceSRobert Watsona given policy or not. 53d97fcfceSRobert WatsonIf 54d97fcfceSRobert Watson.Fa policyname 553b296920SRuslan Ermilovis 563b296920SRuslan Ermilov.No non- Ns Dv NULL , 57d97fcfceSRobert Watsonthe presence of the named policy 583b296920SRuslan Ermilov(e.g.\& 593b296920SRuslan Ermilov.Dq Li biba , 603b296920SRuslan Ermilov.Dq Li mls , 613b296920SRuslan Ermilov.Dq Li te ) 62d97fcfceSRobert Watsonis checked, otherwise the presence of any MAC policies at all is checked. 63d97fcfceSRobert Watson.Sh RETURN VALUES 64d97fcfceSRobert WatsonIf the system supports the given MAC policy, the value 1 is returned. 65d97fcfceSRobert WatsonIf the specified MAC policy is not supported, the value 0 is returned. 663b296920SRuslan ErmilovIf an error occurs, the value \-1 is returned. 67d97fcfceSRobert Watson.Sh ERRORS 68d97fcfceSRobert Watson.Bl -tag -width Er 69d97fcfceSRobert Watson.It Bq Er EINVAL 70d97fcfceSRobert WatsonThe value of 71d97fcfceSRobert Watson.Fa policyname 72d97fcfceSRobert Watsonis not valid. 73d97fcfceSRobert Watson.It Bq Er ENOMEM 74d97fcfceSRobert WatsonInsufficient memory was available to allocate internal storage. 75d97fcfceSRobert Watson.El 76d97fcfceSRobert Watson.Sh SEE ALSO 77d97fcfceSRobert Watson.Xr mac 3 78