3 # Copyright (c) 2014 Dag-Erling Smørgrav
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
9 # 1. Redistributions of source code must retain the above copyright
10 # notice, this list of conditions and the following disclaimer.
11 # 2. Redistributions in binary form must reproduce the above copyright
12 # notice, this list of conditions and the following disclaimer in the
13 # documentation and/or other materials provided with the distribution.
15 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 error "usage: vigr [-d dir]"
40 while getopts d: opt ; do
51 # Look for the current group file
52 grpfile="${etcdir:-/etc}/group"
53 if [ ! -f "${grpfile}" ] ; then
54 error "Missing group file"
57 # Create a secure temporary working directory
58 tmpdir=$(mktemp -d -t vigr)
59 if [ -z "${tmpdir}" -o ! -d "${tmpdir}" ] ; then
60 error "Unable to create the temporary directory"
62 tmpfile="${tmpdir}/group"
66 trap "rm -rf '${tmpdir}'" EXIT
69 # Make a copy of the group file for the user to edit
70 cp "${grpfile}" "${tmpfile}"
73 # Let the user edit the file
74 ${EDITOR:-/usr/bin/vi} "${tmpfile}"
76 # If the result is valid, install it and exit
77 if chkgrp -q "${tmpfile}" ; then
78 install -b -m 0644 -C -S "${tmpfile}" "${grpfile}"
82 # If it is not, offer to re-edit
84 echo -n "Re-edit the group file? "