Re: RichACLs man-pages review
From: Michael Kerrisk (man-pages)
Date: Sun Feb 07 2016 - 11:30:00 EST
Hello Andreas,
Here, some comments on the setrichacl(1) page.
> .\"
> .\" Richacl Manual Pages
> .\"
> .\" Copyright (C) 2015 Red Hat, Inc.
> .\" Written by Andreas Gruenbacher <agruenba@xxxxxxxxxx>
> .\" This is free documentation; you can redistribute it and/or
> .\" modify it under the terms of the GNU General Public License as
> .\" published by the Free Software Foundation; either version 2 of
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> .\"
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> .\" and "executables" are to be interpreted as the output of any
> .\" document formatting or typesetting system, including
> .\" intermediate and printed output.
> .\"
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> .\" but WITHOUT ANY WARRANTY; without even the implied warranty of
> .\" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> .\" GNU General Public License for more details.
> .\"
> .\" You should have received a copy of the GNU General Public
> .\" License along with this manual. If not, see
> .\" <http://www.gnu.org/licenses/>.
> .\"
> .TH SETRICHACL 7 2015-09-01 "Linux" "Rich Access Control Lists"
>
> .SH NAME
> setrichacl \- Set Rich Access Control Lists
>
> .SH SYNOPSIS
> .B setrichacl
> .RI [ OPTION "]... [" FILE ]...
In man-pages, at least, the convention is to use lower case for these
pieces (and thus through the remainder of the page), so:
> .RI [ option "]... [" file ]...
>
> .SH DESCRIPTION
> The setrichacl utility sets or modifies Rich Access Control Lists (richacls) of
.BR setrichacl
> files and directories.
>
> The
> .B \-m
> and
> .B \-s
> options expect an ACL or parts of an ACL on the command line. The
> .B \-M
> and
> .B \-S
> options read an ACL or parts of an ACL from a file. In either case, the entry
> format is described in section
> .I TEXT FORM
> of the richacl(7) manual page. The single-letter or long forms of flags and
Use
.BR richachl (7)
for page cross references.
> permissions can be mixed arbitrarily. Multiple entries are separated by
> whitespace, newlines or commas.
>
> Note that the order of ACL entries matters, and that changing the order may
> grant different permissions.
>
> The use of
> .B deny
> entries is discouraged. If
> .B deny
> entries are used, they should be placed ahead of
> .B allow
> entries for improved interoperability with Windows where possible.
>
> When the file masks are not specified, they are computed automatically.
>
> When the ACL to be set is simple enough that the traditional file permission
> bits can express the same permissions, setrichacl instead only sets the file
.BR setrichacl
> permission bits. Minor differences that do not have an influence on the
> permissions granted by the acl are not preserved. When setrichacl's
s/acl/ACL/
.BR setrichacl 's
> counterpart utility, getrichacl, is used on a file or directory that does not
.BR getrichacl ,
> have a richacl, it displays the access permissions defined by the file
> permission bits as a richacl.
>
> .SS Permissions
>
> Setting ACLs or changing the file permission bits is allowed to the file owner,
> to processes which have the write_acl permission, and to processes which have
.B write_acl
> the CAP_FOWNER capability.
.B CAP_FOWNER
>
> .SH OPTIONS
> .TP
> \-\-\fBmodify\fR \fIacl\fR, \fB\-m\fR \fIacl\fR
> Modify the ACL of \fIFILE\fR by replacing existing entries with the entries in
> \fIacl\fR, and adding all new entries. When the permissions of an entry are
> empty, remove the entry.
> .TP
> \fB\-\-modify\-file\fR \fIacl_file\fR, \fB\-M\fR \fIacl_file\fR
> Identical to \-\-modify, but read the ACL from \fIacl_file\fR instead. If the
.B \-\-modify
> file is \(lq\-\(rq, read from standard input.
> .TP
> \fB\-\-set\fR \fIacl\fR, \fB\-s\fR \fIacl\fR
> Set the ACL of \fIFILE\fR to \fIacl\fR. Any previous ACL is replaced.
> ACL entries are separated by whitespace, newlines, or commas.
> .TP
> \fB\-\-set\-file\fR \fIacl_file\fR, \fB\-S\fR \fIacl_file\fR
> Identical to \-\-set, but read the ACL from \fIacl_file\fR instead. If the
.BR \-\-set ,
> file is \(lq\-\(rq, read from standard input.
> .TP
> \fB\-\-remove\fR, \fB\-b\fR
> Remove all extended permissions and revert to the file permission bits only.
> .TP
> \fB\-\-version\fR, \fB\-v\fR
> Display the version of setrichacl and exit.
.BR setrichacl
> .TP
> \fB\-\-help\fR, \fB\-h\fR
> Display command-line usage help text.
>
> .\" .SH EXAMPLES
Yes please!
> .SH AUTHOR
> Written by Andreas GrÃnbacher <agruenba@xxxxxxxxxx>.
>
> Please send your bug reports, suggested features and comments to the above address.
>
> .SH CONFORMING TO
> Rich Access Control Lists are Linux-specific.
>
> .SH SEE ALSO
> .BR getrichacl (1),
> .BR richacl (7)
Cheers,
Michael
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/