#!/bin/sh
#
# /etc/rc.d/dropbear: start/stop dropbear ssh daemon
#

SSD=/sbin/start-stop-daemon
PROG=/usr/sbin/dropbear
PID=/var/run/dropbear.pid

CONV=/usr/bin/dropbearconvert
KEYG=/usr/bin/dropbearkey

RSA=/etc/dropbear/dropbear_rsa_host_key
DSS=/etc/dropbear/dropbear_dss_host_key
ECDSA=/etc/dropbear/dropbear_ecdsa_host_key

create_keys() {
	if [ ! -f $RSA ]; then
	   if [ -f /etc/ssh/ssh_host_rsa_key ]; then
	      $CONV openssh dropbear /etc/ssh/ssh_host_rsa_key $RSA
	   else
	      $KEYG -t rsa -s 4096 -f $RSA
	   fi
	fi
	if [ ! -f $DSS ]; then
	   if [ -f /etc/ssh/ssh_host_dsa_key ]; then
	      $CONV openssh dropbear /etc/ssh/ssh_host_dsa_key $DSS
	   else
	      $KEYG -t dss -f $DSS
	   fi
	fi
	if [ ! -f $ECDSA ]; then
	   if [ -f /etc/ssh/ssh_host_ecdsa_key ]; then
	      $CONV openssh dropbear /etc/ssh/ssh_host_ecdsa_key $ECDSA
	   else
	      $KEYG -t ecdsa -s 521 -f $ECDSA
	   fi
	fi
}

case $1 in
start)
	create_keys
	$SSD --start --pidfile $PID --exec $PROG
	;;
stop)
	$SSD --stop --retry 10 --pidfile $PID
	;;
restart)
	$0 stop
	$0 start
	;;
status)
	$SSD --status --pidfile $PID
	case $? in
	0) echo "$PROG is running with pid $(cat $PID)" ;;
	1) echo "$PROG is not running but the pid file $PID exists" ;;
	3) echo "$PROG is not running" ;;
	4) echo "Unable to determine the program status" ;;
	esac
	;;
*)
	echo "usage: $0 [start|stop|restart|status]"
	;;
esac

# End of file