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#!/bin/bash
# Setup checkperms translator and authorization query program.
#
# Copyright (C) 2002, 2013 Free Software Foundation, Inc.
#
# This file is part of the GNU Hurd.
#
# The GNU Hurd is free software; 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, or (at
# your option) any later version.
#
# The GNU Hurd is distributed in the hope that it will be useful, 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 program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
USAGE="Usage: $0 [OPTION...] FILE GROUP [PROGRAM]"
DOC="Setup checkperms translator on FILE for the current user, guarded by GROUP, using the authorization query PROGRAM (queryauth if not given)"
while :; do
case "$1" in
--help|"-?")
echo "$USAGE"
echo "$DOC"
echo ""
echo " -?, --help Give this help list"
echo " --usage Give a short usage message"
echo " -V, --version Print program version"
exit 0;;
--usage)
echo "Usage: $0 [-V?] [--help] [--usage] [--version] FILE GROUP [PROGRAM]"
exit 0;;
--version|-V)
echo "STANDARD_HURD_VERSION_queryauth-setup_"; exit 0;;
--)
shift
break;;
-*)
echo 1>&2 "$0: unrecognized option \`$1'"
echo 1>&2 "Try \`$0 --help' or \`$0 --usage' for more information";
exit 1;;
*)
break;;
esac
done
if [ $# -lt 1 ]; then
echo missing FILE
if [ $# -lt 2 ]; then
echo missing GROUP
fi
echo $USAGE
exit 1
fi
USER=$(whoami)
FILE=$1
GROUP=$2
PROGRAM=$3
if [ -z $PROGRAM ]; then
PROGRAM=queryauth
fi
# do not replace an exitsing translator
if [ -e $FILE ] && showtrans $FILE | grep -q checkperms; then
echo there is already a passive checkperms translator running on $FILE.
echo Remove it with
echo settrans -g $FILE
echo if you want to replace it. Existing translator:
echo -n " "
showtrans $FILE
exit 1
fi
# create the controlling group if needed
groupadd $GROUP 2>/dev/null
# setup the translator
settrans -cg $FILE /hurd/checkperms --groupname=$GROUP
echo Setting up interactive authorization granting program via "'$PROGRAM $GROUP'"
$PROGRAM $GROUP
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