#!/sbin/runscript
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

depend() {
	# If the user set TUNTAP_INTERFACE, they probably have a net script
	# configuring that interface. icmptx is responsible for actually creating
	# the stupid thing, so we need to run before the config.
	if [ ! -z "${TUNTAP_INTERFACE}" ] ; then
		if [ -x "/etc/init.d/net.${TUNTAP_INTERFACE}" ] ; then
			before net.${TUNTAP_INTERFACE}
		fi
	fi
}

loadtun() {
	if [ ! -e /dev/net/tun ] ; then
		ebegin "Loading TUN/TAP kernel module"
		modprobe -q tun
		eend $?
	fi

	if [ ! -e /dev/net/tun ] ; then
		eend 1 "Failed to load TUN driver! (did you compile your kernel with TUN/TAP support?)"
		return 1
	fi

	return 0
}

checkconfig() {
	[ -z "${SERVER}" ] && eerror "SERVER must be set"
}

start() {
	checkconfig || return 1
	loadtun || return 1

	ebegin "Starting icmptxcd"
	start-stop-daemon \
		--start \
		--background \
		--make-pidfile \
		--exec /usr/sbin/icmptx \
		--pidfile "/run/icmptx.pid" \
		-- -c ${SERVER}
	eend $?
}

stop() {
	ebegin "Stopping icmptxcd"
	start-stop-daemon \
		--stop \
		--exec /usr/sbin/icmptx \
		--pidfile "/run/icmptx.pid"
	eend $?
}