#!/bin/bash
#
# priority: 850
#
# Start local DNS server to provide minimal DNS forward resolution for
# ourselves and our nodes.
#
# Mark Huang <mlhuang@cs.princeton.edu>
# Copyright (C) 2006 The Trustees of Princeton University
#
# $Id: mail,v 1.2 2006/04/25 21:18:19 mlhuang Exp $
#

# Source function library and configuration
. /etc/plc.d/functions
. /etc/planetlab/plc_config

case "$1" in
    start)
	if [ "$PLC_DNS_ENABLED" != "1" ] ; then
	    exit 0
	fi

	MESSAGE=$"Starting DNS server"
	dialog "$MESSAGE"

	# From the default dnsmasq.conf configuration file:
	#
	# The [domain-needed and bogus-priv] options make you a better
	# netizen, since they tell dnsmasq to filter out queries which
	# the public DNS cannot answer, and which load the servers
	# (especially the root servers) uneccessarily.
	#
	# The api-config bootstrap script writes node hostnames to
	# /etc/plc_hosts.
	#
	cat >/etc/dnsmasq.conf <<EOF
domain-needed
bogus-priv
addn-hosts=/etc/plc_hosts
EOF

	plc_daemon dnsmasq
	check

	result "$MESSAGE"
	;;

    stop)
	MESSAGE=$"Stopping DNS server"
	dialog "$MESSAGE"

	killproc plc_dnsmasq
	check

	result "$MESSAGE"
	;;
esac

exit $ERRORS