1.\" Copyright (c) 2001 Networks Associates Technology, Inc. 2.\" All rights reserved. 3.\" 4.\" This software was developed for the FreeBSD Project by Chris 5.\" Costello at Safeport Network Services and NAI Labs, the Security 6.\" Research Division of Network Associates, Inc. under DARPA/SPAWAR 7.\" contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS 8.\" 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.\" 33.Dd December 21, 2001 34.Dt MAC_TEXT 3 35.Os 36.Sh NAME 37.Nm mac_from_text , 38.Nm mac_to_text 39.Nd convert MAC label to/from text representation 40.Sh LIBRARY 41.Lb libc 42.Sh SYNOPSIS 43.In sys/mac.h 44.Ft int 45.Fn mac_from_text "mac_t *mac" "const char *text" 46.Ft int 47.Fn mac_to_text "mac_t label" "char **text" 48.Sh DESCRIPTION 49The 50.Fn mac_from_text 51function converts the text representation of a label 52into the internal policy label format 53.Pq Vt mac_t 54and places it in 55.Fa *mac , 56which must later be freed with 57.Xr free 3 . 58.Pp 59The 60.Fn mac_to_text 61function allocates storage for 62.Fa *text , 63which will be set to the text representation of 64.Fa label . 65.Pp 66Refer to 67.Xr maclabel 7 68for the MAC label format. 69.Sh RETURN VALUES 70.Rv -std mac_from_text mac_to_text 71.Sh COMPATIBILITY 72POSIX.1e does not define 73a format for text representations 74of MAC labels. 75.Pp 76POSIX.1e requires that text strings allocated using 77.Fn mac_to_text 78be freed using 79.Xr mac_free 3 ; 80in the 81.Fx 82implementation, they must be freed using 83.Xr free 3 , 84as 85.Xr mac_free 3 86is used only to free memory used for type 87.Vt mac_t . 88.Sh ERRORS 89.Bl -tag -width Er 90.It Bq Er ENOMEM 91Insufficient memory was available 92to allocate internal storage. 93.El 94.Sh SEE ALSO 95.Xr free 3 , 96.Xr mac 3 , 97.Xr mac_get 3 , 98.Xr mac_is_present 3 , 99.Xr mac_prepare 3 , 100.Xr mac_set 3 , 101.Xr posix1e 3 , 102.Xr mac 4 , 103.Xr maclabel 7 104.Sh STANDARDS 105POSIX.1e is described in IEEE POSIX.1e draft 17. 106Discussion of the draft 107continues on the cross-platform POSIX.1e implementation mailing list. 108To join this list, see the 109.Fx 110POSIX.1e implementation page 111for more information. 112.Sh HISTORY 113Support for Mandatory Access Control was introduced in 114.Fx 5.0 115as part of the 116.Tn TrustedBSD 117Project. 118