Add chkgrp, a small utility for checking for syntax errors in group

files.

PR:		bin/1387
Suggested-by:	Giles Lean <giles@nemeton.com

1 files changed, 70 insertions, 0 deletions

diff --git a/usr.sbin/chkgrp/chkgrp.8 b/usr.sbin/chkgrp/chkgrp.8
new file mode 100644
index 000000000000..7d1c252cf718
--- /dev/null
+++ b/usr.sbin/chkgrp/chkgrp.8
@@ -0,0 +1,70 @@
+.\" Copyright (c) 1998 Dag-Erling Coïdan Smørgrav
+.\" All rights reserved.
+.\"
+.\" 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
+.\"    in this position and unchanged.
+.\" 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 withough specific prior written permission
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+.\"
+.\"	$Id$
+.\"
+.Dd May 5, 1998
+.Dt CHKGRP 8
+.Os
+.Sh NAME
+.Nm chkgrp
+.Nd check the syntax of the group file
+.Sh SYNOPSIS
+.Nm chkgrp
+.Op Ar groupfile
+.Sh DESCRIPTION
+.Nm Chkgrp
+scans the given file or, failing that, the system-wide group file for
+errors. Specifically, it checks that every non-blank, non-comment
+entry is composed of four colon-separated fields, that none of them
+contains whitespace, and that the third field (the group ID) is
+numeric.
+.Sh SEE ALSO
+.Xr getgrent 3 ,
+.Xr group 5
+.Sh DIAGNOSTICS
+For each error found,
+.Nm chkgrp
+will print an error message containins the name of the file being
+scanned and the line number on which the error was found. Otherwise no
+output is produced.
+.Pp
+.Nm Chkgrp
+returns EX_DATAERR if errors were found in the group file, and EX_OK
+otherwise.
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Tn FreeBSD
+3.0
+.Sh AUTHORS
+.Nm Chkgrp
+and this manual page were written by
+.An Dag-Erling Coïdan Smørgav Aq des@FreeBSD.ORG .
+.Sh BUGS
+Should check fields more thoroughly for allowed / disallowed
+characters, and the range of the group ID.