X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/18e309aa929423cace2216c5bcfa18fe4b15d7c2..e758f86a63f8f463b7a4224039ea83a51810b51f:/openwrt/package/base-files/default/etc/init.d/S45firewall?ds=sidebyside diff --git a/openwrt/package/base-files/default/etc/init.d/S45firewall b/openwrt/package/base-files/default/etc/init.d/S45firewall index cb779792d..0110cfc77 100755 --- a/openwrt/package/base-files/default/etc/init.d/S45firewall +++ b/openwrt/package/base-files/default/etc/init.d/S45firewall @@ -4,11 +4,14 @@ ${FAILSAFE:+exit} . /etc/functions.sh +. /etc/network.overrides +[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network + WAN=$(nvram get wan_ifname) LAN=$(nvram get lan_ifname) ## CLEAR TABLES -for T in filter nat mangle; do +for T in filter nat; do iptables -t $T -F iptables -t $T -X done @@ -35,7 +38,7 @@ iptables -t nat -N postrouting_rule iptables -A INPUT -j input_rule # allow - iptables -A INPUT -i \! $WAN -j ACCEPT # allow from lan/wifi interfaces + iptables -A INPUT ${WAN:+-i \! $WAN} -j ACCEPT # allow from lan/wifi interfaces iptables -A INPUT -p icmp -j ACCEPT # allow ICMP iptables -A INPUT -p gre -j ACCEPT # allow GRE @@ -78,16 +81,18 @@ iptables -t nat -N postrouting_rule iptables -A FORWARD -j forwarding_rule # allow - iptables -A FORWARD -i br0 -o br0 -j ACCEPT - iptables -A FORWARD -i $LAN -o $WAN -j ACCEPT - + # if there is bridge splitting this workaround works too + for iface in $LAN; do + iptables -A FORWARD -i $iface -o $iface -j ACCEPT + [ -z "$WAN" ] || iptables -A FORWARD -i $iface -o $WAN -j ACCEPT + done # reject (what to do with anything not allowed earlier) # uses the default -P DROP ### MASQ iptables -t nat -A PREROUTING -j prerouting_rule iptables -t nat -A POSTROUTING -j postrouting_rule - iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE + [ -z "$WAN" ] || iptables -t nat -A POSTROUTING -o $WAN -j MASQUERADE ## USER RULES [ -f /etc/firewall.user ] && . /etc/firewall.user