#!/bin/sh
#
# Starts dropbear sshd.
#

# Make sure the dropbearkey progam exists
[ -f /usr/bin/dropbearkey ] || exit 0

start() {
	str=`grep dropbear /etc/inetd.conf` 2>/dev/null
	if [ $? = 0 ] ; then
		echo $str | grep -q "^[[:space:]]*#"
		is_daemon=$?
		if [ $is_daemon = 0 ] ; then
			echo -n "Starting dropbear sshd: "
		else
			echo -n "Starting dropbear sshd via inetd "
		fi
	fi
	# Make sure dropbear directory exists
	if [ ! -d /etc/dropbear ] ; then
		mkdir -p /etc/dropbear
		[ ! -w /etc/dropbear ] && exit 1
	fi
	# Check for the Dropbear RSA key
	if [ ! -f /etc/dropbear/dropbear_rsa_host_key ] ; then
		echo -n "generating rsa key... "
		/usr/bin/dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key > /dev/null 2>&1
	fi

	# Check for the Dropbear DSS key
	if [ ! -f /etc/dropbear/dropbear_dss_host_key ] ; then
		echo -n "generating dsa key... "
		/usr/bin/dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key > /dev/null 2>&1
	fi
	if [ $is_daemon = 0 ] ; then
		umask 077
		start-stop-daemon -S -q -p /var/run/dropbear.pid --exec /usr/sbin/dropbear
		if [ $? = 0 ] ; then
			echo "OK"
		else
			echo "FAIL"
		fi
	else
		echo ""
	fi
}
stop() {
	echo -n "Stopping dropbear sshd: "
	start-stop-daemon -K -q -p /var/run/dropbear.pid
	echo "OK"
}
restart() {
	stop
	start
}

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

exit $?

