#!/bin/sh
### BEGIN INIT INFO
# Provides:          inadyn
# Required-Start:    $network $local_fs $remote_fs $syslog
# Required-Stop:     $network $local_fs $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: DynDNS client
# Description:       Register an Internet name with your IP address
### END INIT INFO

# Author: Timur Birsh <taem@linukz.org>

PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="DynDNS client"
NAME=inadyn
DAEMON=/usr/bin/inadyn
CACHEDIR=/run/$NAME
PIDFILE=$CACHEDIR/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
DEFAULT=/etc/default/$NAME
CONFIG=/etc/$NAME.conf

[ -x $DAEMON ] || exit 0

[ -r $DEFAULT ] && . $DEFAULT

. /lib/lsb/init-functions

# Set defaults values if no DEFAULT exist
RUN_DAEMON=${RUN_DAEMON:-no}
USER=${USER:-debian-inadyn}
GROUP=${GROUP:-debian-inadyn}

if [ "$RUN_DAEMON" != "yes" ] && [ "$1" != "stop" ]; then
	log_action_msg "$NAME: Not starting. Disabled in $DEFAULT"
	exit 0
fi

DAEMON_ARGS="--pidfile $PIDFILE \
             --config $CONFIG \
             --background \
             --drop-privs $USER:$GROUP"

create_cache_dir() {
    # Create the cache empty dir if necessary
    if [ ! -d $CACHEDIR ]; then
        mkdir $CACHEDIR
        chmod 0755 $CACHEDIR
	chown $USER:$GROUP $CACHEDIR
    fi
}

do_start()
{
	create_cache_dir
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
		$DAEMON_ARGS \
		|| return 2
}

do_stop()
{
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	rm -f $PIDFILE
	return "$RETVAL"
}

do_reload() {
	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
	return 0
}

case "$1" in
  start)
    log_daemon_msg "Starting $DESC " "$NAME"
    do_start
    case "$?" in
		0|1) log_end_msg 0 ;;
		2) log_end_msg 1 ;;
	esac
  ;;
  stop)
	log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) log_end_msg 0 ;;
		2) log_end_msg 1 ;;
	esac
	;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  reload|force-reload)
	log_daemon_msg "Reloading $DESC" "$NAME"
	do_reload
	log_end_msg $?
	;;
  restart)
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
	  	# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" >&2
	exit 3
	;;
esac

:
