arptables/arptables.sh

   1 #!/bin/bash
   2 #
   3 # init script for arptables
   4 #
   5 # Original by Dag Wieers <dag@wieers.com>.
   6 # Modified/changed to arptables by
   7 #       Rok Papez <rok.papez@arnes.si>.
   8 #
   9 # Adapted for Archlinux by Michal Soltys <soltys@ziu.info>
  10 #
  11
  12 . /etc/rc.conf
  13 . /etc/rc.d/functions
  14
  15 RETVAL=0
  16
  17 [ -x /usr/sbin/arptables ] || exit 1
  18 [ -x /usr/sbin/arptables-save ] || exit 1
  19 [ -x /usr/sbin/arptables-restore ] || exit 1
  20
  21 start() {
  22         stat_busy "Starting arptables"
  23         [[ ! -r /etc/arptables/arptables ]] && :>/etc/arptables/arptables
  24
  25         /usr/sbin/arptables-restore </etc/arptables/arptables || RETVAL=1
  26
  27         if (( $RETVAL == 0 )); then
  28                 stat_done
  29                 add_daemon arptables
  30         else
  31                 stat_fail
  32         fi
  33 }
  34
  35 stop() {
  36         stat_busy "Stopping arptables"
  37         /usr/sbin/arptables-restore </dev/null || RETVAL=1
  38
  39         if (( $RETVAL == 0 )); then
  40                 stat_done
  41                 rm_daemon arptables
  42         else
  43                 stat_fail
  44         fi
  45 }
  46
  47 restart() {
  48         stop
  49         sleep 2
  50         start
  51 }
  52
  53 save() {
  54         stat_busy "Saving arptables"
  55         /usr/sbin/arptables-save >/etc/arptables/arptables || RETVAL=1
  56
  57         (( $RETVAL == 0 )) && stat_done || stat_fail
  58 }
  59
  60 case "$1" in
  61   start)
  62         if ! ck_daemon arptables; then
  63                 printhl "Arptables already started"
  64                 RETVAL=1
  65         else
  66                 start
  67         fi
  68         ;;
  69   stop)
  70         if ck_daemon arptables; then
  71                 printhl "Arptables not yet started"
  72                 RETVAL=1
  73         else
  74                 stop
  75         fi
  76         ;;
  77   restart)
  78         restart
  79         ;;
  80   save)
  81         save
  82         ;;
  83   status)
  84         /usr/sbin/arptables-save
  85         RETVAL=$?
  86         ;;
  87   *)
  88         echo $"Usage $0 {start|stop|restart|save|status}"
  89         RETVAL=1
  90 esac
  91
  92 exit $RETVAL