prepare for moving part of the firewall to hotplug. created new chains {input,forwarding,prerouting}_wan for wan port forwardings and updated the examples. syntax of /etc/config/firewall unchanged and old firewall.user files are still compatible

SVN-Revision: 5878

1 files changed, 5 insertions, 19 deletions

diff --git a/package/iptables/files/firewall.awk b/package/iptables/files/firewall.awk
index 902c7b1888..31dbae0f33 100644
--- a/package/iptables/files/firewall.awk
+++ b/package/iptables/files/firewall.awk
@@ -1,20 +1,6 @@
 # Copyright (C) 2006 OpenWrt.org
 
 BEGIN {
-	print "ifname=\"$WAN\""
-	print "[ -z \"$ifname\" ] && exit"
-	print ""
-	print "iptables -X input_$ifname 2>&- >&-"
-	print "iptables -N input_$ifname"
-	print "iptables -X forward_$ifname 2>&- >&-"
-	print "iptables -N forward_$ifname"
-	print "iptables -t nat -X prerouting_$ifname 2>&- >&-"
-	print "iptables -t nat -N prerouting_$ifname"
-	print ""
-	print "iptables -A input_rule -i \"$ifname\" -j input_$ifname"
-	print "iptables -A forwarding_rule -i \"$ifname\" -j forward_$ifname"
-	print "iptables -t nat -A prerouting_rule -i \"$ifname\" -j prerouting_$ifname"
-	print ""
 	FS=":"
 }
 
@@ -32,15 +18,15 @@ BEGIN {
 ($1 == "accept") {
 	target = " -j ACCEPT"
 	for (o in _opt) {
-		print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) target
-		print "iptables        -A input_$ifname     " _opt[o] str2ipt($2) target
+		print "iptables -t nat -A prerouting_wan" _opt[o] str2ipt($2) target
+		print "iptables        -A input_wan     " _opt[o] str2ipt($2) target
 		print ""
 	}
 }
 
 ($1 == "drop") {
 	for (o in _opt) {
-		print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) " -j DROP"
+		print "iptables -t nat -A prerouting_wan" _opt[o] str2ipt($2) " -j DROP"
 		print ""
 	}
 }
@@ -57,8 +43,8 @@ BEGIN {
 		else fwopts = ""
 	}
 	for (o in _opt) {
-		print "iptables -t nat -A prerouting_$ifname" _opt[o] str2ipt($2) target
-		print "iptables        -A forward_$ifname   " _opt[o] " -d " $3 fwopts " -j ACCEPT"
+		print "iptables -t nat -A prerouting_wan" _opt[o] str2ipt($2) target
+		print "iptables        -A forwarding_wan   " _opt[o] " -d " $3 fwopts " -j ACCEPT"
 		print ""
 	}
 }