#!/bin/sh

###
 #
 # FreeWLAN Addons - http://www.freewlan.info
 #
 # 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 2
 # 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, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA  02110-1301, USA
 #
 # http://www.gnu.org/copyleft/gpl.html
 #
###

. /etc/functions.sh

config_load remote
config_get ssh method ssh
config_get ssh_port method ssh_port

for type in rsa dss; do {
  # check for keys
  key=/etc/dropbear/dropbear_${type}_host_key
  [ ! -f $key ] && {
    # generate missing keys
    mkdir -p /etc/dropbear
    [ -x /usr/bin/dropbearkey ] && {
      /usr/bin/dropbearkey -t $type -f $key 2>&- >&- && exec $0 $*
    } &
    exit 0
  }
}; done

case $1 in
	start)
		if enabled $ssh
		$0 stop
		then
			if [ ! -f /var/run/dropbear.pid ]
			then
				if [ ${#ssh_port} = "0" ]; then
					/usr/sbin/dropbear
				else
					/usr/sbin/dropbear -p 22 -p $ssh_port
				fi
			fi
		fi
		exit 0
		;;
	stop)
		if [ -f /var/run/dropbear.pid ]
		then
			killall dropbear
		fi
		if [ -f /var/run/dropbear.pid ]
		then
			rm -f /var/run/dropbear.pid
		fi
		exit 0
		;;
	*)
		echo "Usage: $0 (start|stop)"
		exit 1
		;;
esac