diff --git a/usr.sbin/Makefile b/usr.sbin/Makefile index 7c444816f42d..8c92af1e0ffc 100644 --- a/usr.sbin/Makefile +++ b/usr.sbin/Makefile @@ -94,6 +94,7 @@ SUBDIR= adduser \ trpt \ tzsetup \ ugidfw \ + vigr \ vipw \ wake \ watch \ diff --git a/usr.sbin/vigr/Makefile b/usr.sbin/vigr/Makefile new file mode 100644 index 000000000000..d71998b47326 --- /dev/null +++ b/usr.sbin/vigr/Makefile @@ -0,0 +1,6 @@ +# $FreeBSD$ + +SCRIPTS= vigr +MAN= vigr.8 + +.include diff --git a/usr.sbin/vigr/vigr.8 b/usr.sbin/vigr/vigr.8 new file mode 100644 index 000000000000..3fd582b2cd98 --- /dev/null +++ b/usr.sbin/vigr/vigr.8 @@ -0,0 +1,71 @@ +.\"- +.\" Copyright (c) 2014 Dag-Erling 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. +.\" 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 AUTHOR 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 AUTHOR 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 14, 2014 +.Dt VIGR 8 +.Os +.Sh NAME +.Nm vigr +.Nd edit the group file +.Sh SYNOPSIS +.Nm +.Op Fl d Ar directory +.Sh DESCRIPTION +The +.Nm +utility makes a temporary copy of the group file, allows the user to +edit it, then verifies that the edited file is valid before installing +it. +.Pp +The following options are available: +.Bl -tag -width Fl +.It Fl d Ar directory +Edit the group file in the specified directory instead of the default +.Pa /etc/group . +.El +.Sh ENVIRONMENT +.Bl -tag -width EDITOR +.It Ev EDITOR +The editor to use instead of +.Xr vi 1 . +.It Ev TMPDIR +The directory in which to store the temporary copy of the group file. +.El +.Sh SEE ALSO +.Xr group 5 , +.Xr chkgrp 8 , +.Xr vipw 8 +.Sh HISTORY +The +.Nm +utility appeared in +.Fx 11.0 . +.Sh AUTHORS +The +.Nm +utility and this manual page were written by +.An Dag-Erling Sm\(/orgrav Aq Mt des@FreeBSD.org . diff --git a/usr.sbin/vigr/vigr.sh b/usr.sbin/vigr/vigr.sh new file mode 100644 index 000000000000..c5dc65d8be18 --- /dev/null +++ b/usr.sbin/vigr/vigr.sh @@ -0,0 +1,95 @@ +#!/bin/sh +#- +# Copyright (c) 2014 Dag-Erling 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. +# 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 AUTHOR 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 AUTHOR 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. +# +# $FreeBSD$ +# + +error() { + echo "$@" >&2 + exit 1 +} + +usage() { + error "usage: vigr [-d dir]" +} + +# Check arguments +while getopts d: opt ; do + case $opt in + d) + etcdir="${OPTARG}" + ;; + *) + usage + ;; + esac +done + +# Look for the current group file +grpfile="${etcdir:-/etc}/group" +if [ ! -f "${grpfile}" ] ; then + error "Missing group file" +fi + +# Create a secure temporary working directory +tmpdir=$(mktemp -d -t vigr) +if [ -z "${tmpdir}" -o ! -d "${tmpdir}" ] ; then + error "Unable to create the temporary directory" +fi +tmpfile="${tmpdir}/group" + +# Clean up on exit +trap "exit 1" INT +trap "rm -rf '${tmpdir}'" EXIT +set -e + +# Make a copy of the group file for the user to edit +cp "${grpfile}" "${tmpfile}" + +while :; do + # Let the user edit the file + ${EDITOR:-/usr/bin/vi} "${tmpfile}" + + # If the result is valid, install it and exit + if chkgrp -q "${tmpfile}" ; then + install -b -m 0644 -C -S "${tmpfile}" "${grpfile}" + exit 0 + fi + + # If it is not, offer to re-edit + while :; do + echo -n "Re-edit the group file? " + read ans + case $ans in + [Yy]|[Yy][Ee][Ss]) + break + ;; + [Nn]|[Nn][Oo]) + exit 1 + ;; + esac + done +done