diff options
Diffstat (limited to 'lib/libc/posix1e/mac_get.3')
-rw-r--r-- | lib/libc/posix1e/mac_get.3 | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/lib/libc/posix1e/mac_get.3 b/lib/libc/posix1e/mac_get.3 new file mode 100644 index 0000000..6beb638 --- /dev/null +++ b/lib/libc/posix1e/mac_get.3 @@ -0,0 +1,125 @@ +.\" Copyright (c) 2001 Networks Associates Technology, Inc. +.\" All rights reserved. +.\" +.\" 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. +.\" +.\" 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. +.\" +.\" 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. +.\" +.\" $FreeBSD$ +.\" +.Dd December 21, 2001 +.Dt MAC_GET 3 +.Os +.Sh NAME +.Nm mac_get_file , +.Nm mac_get_fd , +.Nm mac_get_proc +.Nd get the label of a file, socket, socket peer or process +.Sh LIBRARY +.Lb libc +.Sh SYNOPSIS +.In sys/mac.h +.Ft int +.Fn mac_get_file "const char *path" "mac_t label" +.Ft int +.Fn mac_get_fd "int fd" "mac_t label" +.Ft int +.Fn mac_get_pid "pid_t pid" "mac_t label" +.Ft int +.Fn mac_get_proc "mac_t label" +.Sh DESCRIPTION +The +.Fn mac_get_file +and +.Fn mac_get_fd +functions fill in +.Fa label +(which must first be allocated by +.Xr mac_prepare 3 ) +with the MAC label associated with the file referenced by +.Fa path +or the file descriptor specified by +.Fa fd , +respectively. +Note that this function will fail on socket descriptors. +For information on +getting MAC labels on socket descriptors see +.Xr getsockopt 2 . +.Pp +The +.Fn mac_get_proc +and +.Fn mac_get_pid +functions fill in +.Fa label +(which must first be allocated by +.Xr mac_prepare 3 ) +with the MAC label associated +with the requesting process +or the specified process, respectively. +.Sh ERRORS +.Bl -tag -width Er +.It Bq Er EACCES +A component of +.Fa path +is not searchable, +or MAC read access to the file +is denied. +.It Bq Er ENAMETOOLONG +The pathname pointed to by +.Fa path +exceeds +.Dv PATH_MAX , +or a component of the pathname exceeds +.Dv NAME_MAX . +.It Bq Er ENOENT +A component of +.Fa path +does not exist. +.It Bq Er ENOMEM +Insufficient memory is available +to allocate a new MAC label structure. +.It Bq Er ENOTDIR +A component of +.Fa path +is not a directory. +.El +.Sh SEE ALSO +.Xr mac 3 , +.Xr mac_free 3 , +.Xr mac_text 3 , +.Xr mac_prepare 3 , +.Xr mac_set 3 , +.Xr mac 4 , +.Xr mac 9 +.Sh STANDARDS +POSIX.1e is described in IEEE POSIX.1e draft 17. +Discussion of the draft +continues on the cross-platform POSIX.1e implementation mailing list. +To join this list, see the +.Fx +POSIX.1e implementation page +for more information. |