package/firewall/files/firewall.hotplug

   1 #!/bin/sh
   2 # This script is executed as part of the hotplug event with
   3 # HOTPLUG_TYPE=iface, triggered by various scripts when an interface
   4 # is configured (ACTION=ifup) or deconfigured (ACTION=ifdown).  The
   5 # interface is available as INTERFACE, the real device as DEVICE.
   6 . /etc/functions.sh
   7
   8 [ "$DEVICE" == "lo" ] && exit 0
   9
  10 . /lib/firewall/core.sh
  11 fw_init
  12
  13 # Wait for firewall if startup is in progress
  14 lock -w /var/lock/firewall.start
  15
  16 case "$ACTION" in
  17         ifup)
  18                 fw_is_loaded && {
  19                         fw_configure_interface "$INTERFACE" add "$DEVICE" &
  20                 } || {
  21                         /etc/init.d/firewall enabled && fw_start &
  22                 }
  23         ;;
  24         ifdown)
  25                 fw_is_loaded && fw_configure_interface "$INTERFACE" del "$DEVICE" &
  26         ;;
  27 esac
  28