Basic support for multiple LAN interfeces

config

@@ -1,6 +1,6 @@
-eth0=enp5s0
+lanifs="enp5s0"
 wan=enp1s0
-locnet=192.168.1.0/24
+localnets="192.168.1.0/24"
 lanip=192.168.1.1
 lanbro=192.168.1.255
 

e-router

@@ -53,12 +53,18 @@ setup_fordroplog() {
 }
 
 setup_nat() {
-    iptables -t nat -A POSTROUTING -o ${wan} -s ${locnet} -j MASQUERADE
+    localnetsArray=(${localnets})
+    for net in "${localnetsArray[@]}" ; do
+        iptables -t nat -A POSTROUTING -o ${wan} -s ${net} -j MASQUERADE
+    done
 }
 
 setup_forward() {
     iptables -A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-    iptables -A FORWARD -i ${eth0} -o ${wan} -j ACCEPT
+    lanifsArray=(${lanifs})
+    for lanif in "${lanifsArray[@]}" ; do
+        iptables -A FORWARD -i ${lanif} -o ${wan} -j ACCEPT
+    done
     if $logforward ; then
         setup_fordroplog
         iptables -A FORWARD -j FORWARD-LOG-DROP
@@ -69,7 +75,10 @@ setup_forward() {
 
 setup_base() {
     iptables -A INPUT -i lo -j ACCEPT
-    iptables -A INPUT -i ${eth0} -j ACCEPT
+    lanifsArray=(${lanifs})
+    for lanif in "${lanifsArray[@]}" ; do
+        iptables -A INPUT -i ${lanif} -j ACCEPT
+    done
     iptables -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
     iptables -A INPUT -m conntrack --ctstate INVALID -j DROP
 }
@@ -131,7 +140,7 @@ setup_cast() {
 }
 
 main () {
-   defaultHooks="set_defaults setup_whitenets setup_nat setup_forward setup_base setup_badips setup_white setup_open setup_scanips setup_cast setup_final"
+    defaultHooks="set_defaults setup_whitenets setup_nat setup_forward setup_base setup_badips setup_white setup_open setup_scanips setup_cast setup_final"
     hookarray=(${hooks:-$defaultHooks})
     for hook in "${hookarray[@]}" ; do
         $hook