qi-hardware/openwrt-xburst
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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

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5878 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2006-12-20 05:58:41 +00:00
parent afacc5b25a
commit 49166d75b6
3 changed files with 25 additions and 29 deletions
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24
package/iptables/files/firewall.awk
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@@ -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 ""
}
}