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

# Allow a few customizations from a config file
test -r /etc/default/dropbear && . /etc/default/dropbear

start() {
	DROPBEAR_ARGS="$DROPBEAR_ARGS -R"

	echo -n "Starting dropbear sshd: "
	umask 077

	# If /etc/dropbear is a symlink to /var/run/dropbear, and
	#   - the filesystem is RO (i.e. we can not rm the symlink),
	#     create the directory pointed to by the symlink.
	#   - the filesystem is RW (i.e. we can rm the symlink),
	#     replace the symlink with an actual directory
	if [ -L /etc/dropbear \
	     -a "$(readlink /etc/dropbear)" = "/var/run/dropbear" ]
	then
		if rm -f /etc/dropbear; then
			mkdir -p /etc/dropbear
		else
			mkdir -p $(readlink /etc/dropbear)
		fi
	fi

	start-stop-daemon -S -q -p /var/run/dropbear.pid \
		--exec /usr/sbin/dropbear -- $DROPBEAR_ARGS
	[ $? = 0 ] && echo "OK" || echo "FAIL"
}
stop() {
	echo -n "Stopping dropbear sshd: "
	start-stop-daemon -K -q -p /var/run/dropbear.pid
	[ $? = 0 ] && echo "OK" || echo "FAIL"
}
restart() {
	stop
	start
}

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

exit $?