- logger "adding $1 to firewall zone $2"
- $IPTABLES -A INPUT -i $1 -j zone_$2
- $IPTABLES -I zone_$2_ACCEPT 1 -o $1 -j ACCEPT
- $IPTABLES -I zone_$2_DROP 1 -o $1 -j DROP
- $IPTABLES -I zone_$2_REJECT 1 -o $1 -j REJECT
- $IPTABLES -I zone_$2_ACCEPT 1 -i $1 -j ACCEPT
- $IPTABLES -I zone_$2_DROP 1 -i $1 -j DROP
- $IPTABLES -I zone_$2_REJECT 1 -i $1 -j REJECT
- $IPTABLES -I zone_$2_nat 1 -t nat -o $1 -j MASQUERADE
- $IPTABLES -I PREROUTING 1 -t nat -i $1 -j zone_$2_prerouting
- $IPTABLES -A FORWARD -i $1 -j zone_$2_forward
+ local network="$1"
+ local ifname="$2"
+ local zone="$3"
+
+ local n_if n_zone
+ config_get n_if core "${network}_ifname"
+ config_get n_zone core "${network}_zone"
+ [ -n "$n_zone" ] && {
+ if [ "$n_zone" != "$zone" ]; then
+ delif "$network" "$n_if" "$n_zone"
+ else
+ return
+ fi
+ }
+
+ logger "adding $network ($ifname) to firewall zone $zone"
+ $IPTABLES -A input -i "$ifname" -j zone_${zone}
+ $IPTABLES -I zone_${zone}_MSSFIX 1 -o "$ifname" -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
+ $IPTABLES -I zone_${zone}_ACCEPT 1 -o "$ifname" -j ACCEPT
+ $IPTABLES -I zone_${zone}_DROP 1 -o "$ifname" -j DROP
+ $IPTABLES -I zone_${zone}_REJECT 1 -o "$ifname" -j reject
+ $IPTABLES -I zone_${zone}_ACCEPT 1 -i "$ifname" -j ACCEPT
+ $IPTABLES -I zone_${zone}_DROP 1 -i "$ifname" -j DROP
+ $IPTABLES -I zone_${zone}_REJECT 1 -i "$ifname" -j reject
+ $IPTABLES -I zone_${zone}_nat 1 -t nat -o "$ifname" -j MASQUERADE
+ $IPTABLES -I PREROUTING 1 -t nat -i "$ifname" -j zone_${zone}_prerouting
+ $IPTABLES -A forward -i "$ifname" -j zone_${zone}_forward
+ $IPTABLES -t raw -I PREROUTING 1 -i "$ifname" -j zone_${zone}_notrack
+ uci_set_state firewall core "${network}_ifname" "$ifname"
+ uci_set_state firewall core "${network}_zone" "$zone"
+ ACTION=add ZONE="$zone" INTERFACE="$network" DEVICE="$ifname" /sbin/hotplug-call firewall