2002-08-02 21:14:42 +00:00
|
|
|
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
|
|
|
|
|
.\" All rights reserved.
|
2002-12-04 16:28:45 +00:00
|
|
|
.\"
|
2002-08-02 21:14:42 +00:00
|
|
|
.\" This software was developed for the FreeBSD Project by Chris
|
|
|
|
|
.\" Costello at Safeport Network Services and NAI 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.
|
2002-12-04 16:28:45 +00:00
|
|
|
.\"
|
2002-08-02 21:14:42 +00:00
|
|
|
.\" 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.
|
|
|
|
|
.\" 3. The name of the author may not be used to endorse or promote
|
|
|
|
|
.\" products derived from this software without specific prior written
|
|
|
|
|
.\" permission.
|
2002-12-04 16:28:45 +00:00
|
|
|
.\"
|
2002-08-02 21:14:42 +00:00
|
|
|
.\" 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.
|
2002-12-04 16:28:45 +00:00
|
|
|
.\"
|
2002-08-02 21:14:42 +00:00
|
|
|
.\" $FreeBSD$
|
2002-12-04 16:28:45 +00:00
|
|
|
.\"
|
2002-08-02 21:14:42 +00:00
|
|
|
.Dd January 9, 2002
|
|
|
|
|
.Dt MAC_IS_PRESENT_NP 3
|
|
|
|
|
.Sh NAME
|
|
|
|
|
.Nm mac_is_present_np
|
|
|
|
|
.Nd report whether the running system has MAC support
|
2002-12-04 16:28:45 +00:00
|
|
|
.Sh LIBRARY
|
|
|
|
|
.Lb libc
|
2002-08-02 21:14:42 +00:00
|
|
|
.Sh SYNOPSIS
|
|
|
|
|
.In sys/mac.h
|
|
|
|
|
.Ft int
|
|
|
|
|
.Fn mac_is_present "const char *policyname"
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
The
|
|
|
|
|
.Fn mac_is_present_np
|
|
|
|
|
function determines whether the currently-running kernel supports MAC for
|
|
|
|
|
a given policy or not.
|
|
|
|
|
If
|
|
|
|
|
.Fa policyname
|
2002-12-04 16:28:45 +00:00
|
|
|
is
|
|
|
|
|
.No non- Ns Dv NULL ,
|
2002-08-02 21:14:42 +00:00
|
|
|
the presence of the named policy
|
2002-12-04 16:28:45 +00:00
|
|
|
(e.g.\&
|
|
|
|
|
.Dq Li biba ,
|
|
|
|
|
.Dq Li mls ,
|
|
|
|
|
.Dq Li te )
|
2002-08-02 21:14:42 +00:00
|
|
|
is checked, otherwise the presence of any MAC policies at all is checked.
|
|
|
|
|
.Sh RETURN VALUES
|
|
|
|
|
If the system supports the given MAC policy, the value 1 is returned.
|
|
|
|
|
If the specified MAC policy is not supported, the value 0 is returned.
|
2002-12-04 16:28:45 +00:00
|
|
|
If an error occurs, the value \-1 is returned.
|
2002-08-02 21:14:42 +00:00
|
|
|
.Sh ERRORS
|
|
|
|
|
.Bl -tag -width Er
|
|
|
|
|
.It Bq Er EINVAL
|
|
|
|
|
The value of
|
|
|
|
|
.Fa policyname
|
|
|
|
|
is not valid.
|
|
|
|
|
.It Bq Er ENOMEM
|
|
|
|
|
Insufficient memory was available to allocate internal storage.
|
|
|
|
|
.El
|
|
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr mac 3
|
