adds 5 new chains to the uci firewall that can be used to hook custom rules

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12395 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/firewall/files/uci_firewall.sh b/package/firewall/files/uci_firewall.sh
index 99663c6..f6e82bc 100755 (executable)
--- a/package/firewall/files/uci_firewall.sh
+++ b/package/firewall/files/uci_firewall.sh
@@ -261,6 +261,19 @@ fw_addif() {
        (ACTION="ifup" INTERFACE="$1" . /etc/hotplug.d/iface/20-firewall)
 }
 
        (ACTION="ifup" INTERFACE="$1" . /etc/hotplug.d/iface/20-firewall)
 }
 

+fw_custom_chains() {
+       $IPTABLES -N input_rule
+       $IPTABLES -N output_rule
+       $IPTABLES -N forward_rule
+       $IPTABLES -N prerouting_rule -t nat
+       $IPTABLES -N postrouting_rule -t nat
+       $IPTABLES -A INPUT -j input_rule
+       $IPTABLES -A OUTPUT -j output_rule
+       $IPTABLES -A FORWARD -j forward_rule
+       $IPTABLES -A PREROUTING -t nat -j prerouting_rule
+       $IPTABLES -A POSTROUTING -t nat -j postrouting_rule
+}
+

 fw_init() {
        echo "Loading defaults"
        config_foreach fw_defaults defaults
 fw_init() {
        echo "Loading defaults"
        config_foreach fw_defaults defaults


@@ -274,7 +287,9 @@ fw_init() {
        config_foreach fw_redirect redirect
        echo "Loading includes"
        config_foreach fw_include include
        config_foreach fw_redirect redirect
        echo "Loading includes"
        config_foreach fw_include include

-       
+       echo "Adding custom chains"
+       fw_custom_chains
+

        uci_set_state firewall core "" firewall_state 
        uci_set_state firewall core loaded 1
        unset CONFIG_APPEND
        uci_set_state firewall core "" firewall_state 
        uci_set_state firewall core loaded 1
        unset CONFIG_APPEND