#!/bin/sh
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2007-2022  IPFire Team  <info@ipfire.org>                     #
#                                                                             #
# This program 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 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program 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, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

. /etc/sysconfig/rc
. ${rc_functions}

write_resolv_conf() {
	(
		[ -n "${DOMAINNAME}" ] && echo "search ${DOMAINNAME}"
		echo "nameserver 127.0.0.1"
		echo "options edns0 trust-ad"
	) > /etc/resolv.conf
}

write_hosts() {
	(
		echo "127.0.0.1	localhost.localdomain localhost"
	) > /etc/hosts
}

case "${1}" in
	start)
		eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
		boot_mesg "Bringing up the loopback interface..."
		ip addr add 127.0.0.1/8 label lo dev lo
		ip link set lo up
		evaluate_retval

		boot_mesg "Setting hostname to ${HOSTNAME}.${DOMAINNAME}..."
		hostname "${HOSTNAME}.${DOMAINNAME}"
		evaluate_retval

		# Update hosts
		write_hosts

		# Update resolv.conf
		write_resolv_conf
		;;

	stop)
		boot_mesg "Bringing down the loopback interface..."
		ip link set lo down
		evaluate_retval
		;;

	restart)
		${0} stop
		sleep 1
		${0} start
		;;

	status)
		eval $(/usr/local/bin/readhash /var/ipfire/main/settings)
		echo "Hostname is: $(hostname)"
		ip link show lo
		;;

	*)
		echo "Usage: ${0} {start|stop|restart|status}"
		exit 1
		;;
esac