ebtables/ebtables.rc

   1 #!/bin/bash
   2
   3 # Credits to:
   4 # Sebastien Luttringer <seblu+arch@seblu.net>
   5 # Bart De Schuymer <bdschuym@pandora.be>
   6 # Rok Papez <rok.papez@arnes.si>
   7 # Dag Wieers <dag@wieers.com>
   8
   9 . /etc/rc.conf
  10 . /etc/rc.d/functions
  11
  12 #default configuration:
  13 EBTABLES_TEXT_FORMAT="yes"
  14 EBTABLES_BINARY_FORMAT="yes"
  15 EBTABLES_MODULES_UNLOAD="yes"
  16 EBTABLES_SAVE_ON_STOP="no"
  17 EBTABLES_SAVE_ON_RESTART="no"
  18 EBTABLES_SAVE_COUNTER="no"
  19
  20 [[ -r "/etc/conf.d/ebtables" ]] && . "/etc/conf.d/ebtables"
  21
  22 RETVAL=0
  23
  24 start() {
  25         stat_busy "Starting ebtables"
  26         ! ck_daemon ebtables && stat_done && RETVAL=0 && return
  27         if [[ "$EBTABLES_BINARY_FORMAT" = yes ]]; then
  28                 for table in $(ls /etc/ebtables/ebtables.* 2>/dev/null | sed -e 's/.*ebtables\.//' -e '/save/d' ); do
  29                         /usr/sbin/ebtables -t ${table} --atomic-file /etc/ebtables/ebtables.${table} --atomic-commit || RETVAL=1
  30                 done
  31         elif [[ "$EBTABLES_TEXT_FORMAT" = "yes" ]]; then
  32                 [[ ! -r /etc/ebtables/ebtables ]] && :>/etc/ebtables/ebtables
  33                 /usr/sbin/ebtables-restore </etc/ebtables/ebtables || RETVAL=1
  34         else
  35                 RETVAL=1
  36         fi
  37
  38         if (( RETVAL == 0 )); then
  39                 stat_done
  40                 add_daemon ebtables
  41         else
  42                 stat_fail
  43         fi
  44 }
  45
  46 stop() {
  47         stat_busy "Stopping ebtables"
  48         ck_daemon ebtables && stat_done && RETVAL=0 && return
  49         for table in $(grep '^ebtable_' /proc/modules | sed -e 's/ebtable_\([^ ]*\).*/\1/'); do
  50                 /usr/sbin/ebtables -t $table --init-table || RETVAL=1
  51         done
  52
  53         if [[ "$EBTABLES_MODULES_UNLOAD" = yes ]]; then
  54                 for mod in $(grep -E '^(ebt|ebtable)_' /proc/modules | cut -f1 -d' ') ebtables; do
  55                         /sbin/rmmod $mod 2> /dev/null
  56                 done
  57         fi
  58
  59         if (( RETVAL == 0 )); then
  60                 rm_daemon ebtables
  61                 stat_done
  62         else
  63                 stat_fail
  64         fi
  65 }
  66
  67 restart() {
  68         stop
  69         sleep 1
  70         start
  71 }
  72
  73 save() {
  74         stat_busy "Saving ebtables"
  75         if [[ "$EBTABLES_TEXT_FORMAT" = yes ]]; then
  76                 if [[ -r /etc/ebtables/ebtables ]]; then
  77                         mv -f /etc/ebtables/ebtables /etc/ebtables/ebtables.save
  78                 fi
  79                 /usr/sbin/ebtables-save >/etc/ebtables/ebtables || RETVAL=1
  80         fi
  81         if [[ "$EBTABLES_BINARY_FORMAT" = yes ]]; then
  82                 rm -f /etc/ebtables/ebtables.*.save
  83                 for oldtable in $(ls /etc/ebtables/ebtables.* 2>/dev/null | grep -vF 'ebtables.save'); do
  84                         mv -f $oldtable $oldtable.save
  85                 done
  86                 for table in $(grep '^ebtable_' /proc/modules | sed -e 's/ebtable_\([^ ]*\).*/\1/'); do
  87                         :> /etc/ebtables/ebtables.$table
  88                         /usr/sbin/ebtables -t $table --atomic-file /etc/ebtables/ebtables.$table --atomic-save || RETVAL=1
  89                         if [[ "$EBTABLES_SAVE_COUNTER" = no ]]; then
  90                                 /usr/sbin/ebtables -t $table --atomic-file /etc/ebtables/ebtables.$table -Z || RETVAL=1
  91                         fi
  92                 done
  93         fi
  94
  95         (( RETVAL == 0 )) && stat_done || stat_fail
  96 }
  97
  98 case "$1" in
  99   start)
 100                 start
 101         ;;
 102   stop)
 103                 [[ "$EBTABLES_SAVE_ON_STOP" = yes ]] && save
 104                 stop
 105         ;;
 106   restart|reload)
 107                 [[ "$EBTABLES_SAVE_ON_RESTART" = yes ]] && save
 108                 restart
 109         ;;
 110   condrestart)
 111                 ! ck_daemon ebtables && restart
 112                 RETVAL=$?
 113         ;;
 114   save)
 115                 save
 116         ;;
 117   status)
 118                 /usr/sbin/ebtables-save
 119                 RETVAL=$?
 120         ;;
 121   *)
 122                 echo "Usage $0 {start|stop|restart|condrestart|save|status}"
 123                 RETVAL=1
 124 esac
 125
 126 exit $RETVAL
 127
 128 # vim:set ts=2 sw=2 ft=sh noet: