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Update mac_set.3 to account for new behavior of mac_set_fd() in the

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context of sockets, and document EINVAL as a possible failure mode
based on the object selected, not just the label provided.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories
This commit is contained in:
Robert Watson 2003-11-16 20:21:21 +00:00
parent 920325ee1d
commit 237a5de859
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122811
1 changed files with 7 additions and 5 deletions
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12
lib/libc/posix1e/mac_set.3
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@ -63,15 +63,15 @@ to the file referenced to by
or to the file descriptor
.Fa fd ,
respectively.
Note that this function will fail on socket descriptors.
For information on
setting MAC labels on socket descriptors see
.Xr setsockopt 2 .
Note that when a file descriptor references a socket, label operations
on the file descriptor act on the socket, not on the file that may
have been used as a rendezvous when binding the socket.
The
.Fn mac_set_link
function is the same as
.Fn mac_set_file ,
except that it does not follow symlinks.
.Pp
The
.Fn mac_set_proc
function associates the MAC label
@ -99,7 +99,9 @@ is not a valid file descriptor.
The
.Fa label
argument
is not a valid MAC label.
is not a valid MAC label, or the object referenced by
.Fa fd
is not appropriate for label operations.
.It Bq Er EOPNOTSUPP
Setting MAC labels is not supported
by the file referenced by