#!/bin/sh

### BEGIN INIT INFO
# Provides:		tftpd-hpa
# Required-Start:	$local_fs $remote_fs $syslog $network
# Required-Stop:	$local_fs $remote_fs $syslog $network
# Default-Start:	2 3 4 5
# Default-Stop:		0 1 6
# Short-Description:	HPA's tftp server
# Description:		Trivial File Transfer Protocol (TFTP) is a file transfer
#			protocol, mainly to serve boot images over the network
#			to other machines (PXE).
### END INIT INFO

PATH="/sbin:/bin:/usr/sbin:/usr/bin"
DAEMON="/usr/sbin/in.tftpd"

test -x "$DAEMON" || exit 0

NAME="in.tftpd"
DESC="HPA's tftpd"
PIDFILE="/var/run/tftpd-hpa.pid"
DEFAULTS="/etc/default/tftpd-hpa"

set -e

[ -r "$DEFAULTS" ] && . "$DEFAULTS"

. /lib/lsb/init-functions


do_start()
{
	# Ensure --secure and multiple server directories are not used at the
	# same time
	if [ "$(echo $TFTP_DIRECTORY | wc -w)" -ge 2 ] && \
	   echo $TFTP_OPTIONS | grep -qs secure
	then
		echo
		echo "When --secure is specified, exactly one directory can be specified."
		echo "Please correct your $DEFAULTS."
		exit 1
	fi

	# Ensure server directories exist
	for d in $TFTP_DIRECTORY
	do
		if [ ! -d "$d" ]
		then
			echo "$d missing, aborting."
			exit 1
		fi
	done

	start-stop-daemon --start --quiet --oknodo --exec $DAEMON -- \
		--listen --user $TFTP_USERNAME --address $TFTP_ADDRESS \
		$TFTP_OPTIONS $TFTP_DIRECTORY
}

do_stop ()
{
	start-stop-daemon --stop --quiet --oknodo --name $NAME
}

do_reload ()
{
	start-stop-daemon --stop --quiet --oknodo --name $NAME --signal 1
}

case "$1" in
	start)
		init_is_upstart > /dev/null 2>&1 && exit 1

		log_daemon_msg "Starting $DESC" "$NAME"
		do_start
		log_end_msg $?
		;;

	stop)
		init_is_upstart > /dev/null 2>&1 && exit 0

		log_daemon_msg "Stopping $DESC" "$NAME"
		do_stop
		log_end_msg $?
		;;

	restart|force-reload)
		init_is_upstart > /dev/null 2>&1 && exit 1

		log_daemon_msg "Restarting $DESC" "$NAME"
		do_stop
		sleep 1
		do_start
		log_end_msg $?
		;;

	status)
		status_of_proc $DAEMON $NAME
		;;

	*)
		echo "Usage: $0 {start|stop|restart|force-reload|status}" >&2
		exit 3
		;;
esac