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authorSteven Barth <steven@midlink.org>2008-05-08 15:37:41 +0000
committerSteven Barth <steven@midlink.org>2008-05-08 15:37:41 +0000
commitaa9ccf77c6648515ba58c37b9345cdbd561028db (patch)
treeb0270202d47b6c5e179f8475302bb3ef0d1c9402 /applications/luci-fw/root
parenta3a51464fd8cffa6d18fa3f18be9c699901abd0d (diff)
* Mördercommit ;-)
* Major Repository Reorganisation * API 0.4 Softfreeze to come
Diffstat (limited to 'applications/luci-fw/root')
-rw-r--r--applications/luci-fw/root/etc/config/luci_fw2
-rw-r--r--applications/luci-fw/root/etc/init.d/luci_fw124
2 files changed, 126 insertions, 0 deletions
diff --git a/applications/luci-fw/root/etc/config/luci_fw b/applications/luci-fw/root/etc/config/luci_fw
new file mode 100644
index 0000000000..c7dec7f2c5
--- /dev/null
+++ b/applications/luci-fw/root/etc/config/luci_fw
@@ -0,0 +1,2 @@
+
+ \ No newline at end of file
diff --git a/applications/luci-fw/root/etc/init.d/luci_fw b/applications/luci-fw/root/etc/init.d/luci_fw
new file mode 100644
index 0000000000..e98b3f7296
--- /dev/null
+++ b/applications/luci-fw/root/etc/init.d/luci_fw
@@ -0,0 +1,124 @@
+#!/bin/sh /etc/rc.common
+START=46
+
+apply_portfw() {
+ local cfg="$1"
+ config_get proto "$cfg" proto
+ config_get dport "$cfg" dport
+ config_get iface "$cfg" iface
+ config_get to "$cfg" to
+
+ ports=$(echo $to | cut -sd: -f2)
+ if [ -n "$ports" ]; then
+ ports="--dport $(echo $ports | sed -e 's/-/:/')"
+ else
+ ports="--dport $dport"
+ fi
+
+ ip=$(echo $to | cut -d: -f1)
+
+ if ([ "$proto" == "tcpudp" ] || [ "$proto" == "tcp" ]); then
+ iptables -t nat -A luci_fw_prerouting -i "$iface" -p tcp --dport "$dport" -j DNAT --to "$to"
+ iptables -A luci_fw_forward -i "$iface" -p tcp -d "$ip" $ports -j ACCEPT
+ fi
+
+ if ([ "$proto" == "tcpudp" ] || [ "$proto" == "udp" ]); then
+ iptables -t nat -A luci_fw_prerouting -i "$iface" -p udp --dport "$dport" -j DNAT --to "$to"
+ iptables -A luci_fw_forward -i "$iface" -p udp -d "$ip" $ports -j ACCEPT
+ fi
+}
+
+apply_rule() {
+ local cfg="$1"
+ local cmd=""
+
+ config_get chain "$cfg" chain
+ [ -n "$chain" ] || return 0
+ [ "$chain" == "forward" ] && cmd="$cmd -A luci_fw_forward"
+ [ "$chain" == "input" ] && cmd="$cmd -A luci_fw_input"
+ [ "$chain" == "output" ] && cmd="$cmd -A luci_fw_output"
+ [ "$chain" == "prerouting" ] && cmd="$cmd -t nat -A luci_fw_prerouting"
+ [ "$chain" == "postrouting" ] && cmd="$cmd -t nat -A luci_fw_postrouting"
+
+ config_get iface "$cfg" iface
+ [ -n "$iface" ] && cmd="$cmd -i $iface"
+
+ config_get oface "$cfg" oface
+ [ -n "$oface" ] && cmd="$cmd -o $oface"
+
+ config_get proto "$cfg" proto
+ [ -n "$proto" ] && cmd="$cmd -p $proto"
+
+ config_get source "$cfg" source
+ [ -n "$source" ] && cmd="$cmd -s $source"
+
+ config_get destination "$cfg" destination
+ [ -n "$destination" ] && cmd="$cmd -d $destination"
+
+ config_get sport "$cfg" sport
+ [ -n "$sport" ] && cmd="$cmd --sport $sport"
+
+ config_get dport "$cfg" dport
+ [ -n "$dport" ] && cmd="$cmd --dport $dport"
+
+ config_get todest "$cfg" todest
+ [ -n "$todest" ] && cmd="$cmd --to-destination $todest"
+
+ config_get tosrc "$cfg" tosrc
+ [ -n "$tosrc" ] && cmd="$cmd --to-source $tosrc"
+
+ config_get mac "$cfg" mac
+ [ -n "$mac" ] && cmd="$cmd -m mac --mac-source $mac"
+
+ config_get jump "$cfg" jump
+ [ -n "$jump" ] && cmd="$cmd -j $jump"
+
+ config_get command "$cfg" command
+ [ -n "$command" ] && cmd="$cmd $command"
+
+ iptables $cmd
+}
+
+start() {
+ ### Create subchains
+ iptables -N luci_fw_input
+ iptables -N luci_fw_output
+ iptables -N luci_fw_forward
+ iptables -t nat -N luci_fw_prerouting
+ iptables -t nat -N luci_fw_postrouting
+
+ ### Hook in the chains
+ iptables -A input_rule -j luci_fw_input
+ iptables -A output_rule -j luci_fw_output
+ iptables -A forwarding_rule -j luci_fw_forward
+ iptables -t nat -A prerouting_rule -j luci_fw_prerouting
+ iptables -t nat -A postrouting_rule -j luci_fw_postrouting
+
+ ### Read chains from config
+ config_load luci_fw
+ config_foreach apply_portfw portfw
+ config_foreach apply_rule rule
+}
+
+stop() {
+ ### Hook out the chains
+ iptables -D input_rule -j luci_fw_input
+ iptables -D output_rule -j luci_fw_output
+ iptables -D forwarding_rule -j luci_fw_forward
+ iptables -t nat -D prerouting_rule -j luci_fw_prerouting
+ iptables -t nat -D postrouting_rule -j luci_fw_postrouting
+
+ ### Clear subchains
+ iptables -F luci_fw_input
+ iptables -F luci_fw_output
+ iptables -F luci_fw_forward
+ iptables -t nat -F luci_fw_prerouting
+ iptables -t nat -F luci_fw_postrouting
+
+ ### Delete subchains
+ iptables -X luci_fw_input
+ iptables -X luci_fw_output
+ iptables -X luci_fw_forward
+ iptables -t nat -X luci_fw_prerouting
+ iptables -t nat -X luci_fw_postrouting
+}