#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2012  IPFire Network Development Team                         #
#                                                                             #
# 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/>.       #
#                                                                             #
###############################################################################

function teredo_start() {
	local zone=${1}
	assert isset zone

	service_start "miredo-client@${zone}.service"
}

function teredo_stop() {
	local zone=${1}
	assert isset zone

	# Just stop the miredo daemon for this device.
	service_stop "miredo-client@${zone}.service"
}

function teredo_write_config() {
	local zone=${1}
	local file=${2}
	shift 2

	assert isset zone
	assert isset file

	local server

	while [ $# -gt 0 ]; do
		case "${1}" in
			--server=*)
				server=$(cli_get_val ${1})
				;;
		esac
		shift
	done

	# Check if all required parameters are correctly set.
	assert isset server

	# Create the file's directory if necessary and
	# make sure there is nothing in the file, yet.
	mkdir -p $(dirname ${file}) 2>/dev/null
	: > ${file}

	# Print the header.
	(	echo "#"
		echo "# This is a miredo client configuration file for ${interface}."
		echo "# THIS FILE IS AUTOMATICALLY GENERATED AND WILL OVERWRITE"
		echo "# ANY CUSTOM CHANGES!"
		echo "#"
		echo "# $(date -u)"
		echo "#"
		echo
	) >>${file}

	# All teredo connections we have are in client mode.
	echo "RelayType client" >> ${file}

	# The interface equals the name of the zone.
	echo "InterfaceName ${zone}" >> ${file}

	# Add the server information.
	echo "ServerAddress ${server}" >> ${file}

	exit ${EXIT_OK}
}