net/miniupnpd/files/miniupnpd.hotplug

   1 #!/bin/sh
   2
   3 /etc/init.d/miniupnpd enabled && {
   4
   5         local state="${ZONE}_${INTERFACE}"
   6         local extif initifs
   7
   8         config_load upnpd
   9         config_get extif config external_iface
  10
  11         if [ "$ACTION" = "add" ] && [ "$INTERFACE" = "$extif" ]; then
  12
  13                 local active
  14                 config_get active "$state" ifname
  15
  16                 [ -z "$active" ] && {
  17                         local ipaddr
  18                         config_get ipaddr "$extif" ipaddr
  19
  20                         logger -t "upnp" "adding $INTERFACE ($DEVICE - $ipaddr) to firewall"
  21
  22                         iptables -t nat -N MINIUPNPD 2>/dev/null
  23                         iptables -t nat -A prerouting_rule -i $DEVICE -d $ipaddr -j MINIUPNPD
  24                         iptables -t filter -N MINIUPNPD 2>/dev/null
  25                         iptables -t filter -A forwarding_rule -i $DEVICE ! -o $DEVICE -j MINIUPNPD
  26
  27                         uci_set_state upnpd "$state" "" "firewall"
  28                         uci_set_state upnpd "$state" ifname "$DEVICE"
  29                         uci_set_state upnpd "$state" ipaddr "$ipaddr"
  30                 }
  31
  32         elif [ "$ACTION" = "remove" ] && [ "$INTERFACE" = "$extif" ]; then
  33
  34                 local ifname ipaddr
  35                 config_get ifname "$state" ifname
  36                 config_get ipaddr "$state" ipaddr
  37
  38                 [ -n "$ifname" ] && [ -n "$ipaddr" ] && {
  39                         logger -t "upnp" "removing $INTERFACE ($ifname - $ipaddr) from firewall"
  40                         iptables -t nat -D prerouting_rule -i $ifname -d $ipaddr -j MINIUPNPD
  41                         iptables -t filter -D forwarding_rule -i $DEVICE ! -o $DEVICE -j MINIUPNPD
  42                         uci_revert_state upnpd "$state"
  43                 }
  44         fi
  45 }
  46