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-rw-r--r--package/firewall/files/reflection.hotplug132
1 files changed, 0 insertions, 132 deletions
diff --git a/package/firewall/files/reflection.hotplug b/package/firewall/files/reflection.hotplug
deleted file mode 100644
index 843c615bc..000000000
--- a/package/firewall/files/reflection.hotplug
+++ /dev/null
@@ -1,132 +0,0 @@
-#!/bin/sh
-
-. /lib/functions.sh
-. /lib/functions/network.sh
-
-if [ "$ACTION" = "add" ] && [ "$INTERFACE" = "wan" ]; then
- local wanip
- network_get_ipaddr wanip wan || return
-
- iptables -t nat -F nat_reflection_in 2>/dev/null || {
- iptables -t nat -N nat_reflection_in
- iptables -t nat -A prerouting_rule -j nat_reflection_in
- }
-
- iptables -t nat -F nat_reflection_out 2>/dev/null || {
- iptables -t nat -N nat_reflection_out
- iptables -t nat -A postrouting_rule -j nat_reflection_out
- }
-
- iptables -t filter -F nat_reflection_fwd 2>/dev/null || {
- iptables -t filter -N nat_reflection_fwd
- iptables -t filter -A forwarding_rule -j nat_reflection_fwd
- }
-
- find_networks() {
- find_networks_cb() {
- local cfg="$1"
- local zone="$2"
-
- local name
- config_get name "$cfg" name
-
- [ "$name" = "$zone" ] && {
- local network
- config_get network "$cfg" network
-
- echo ${network:-$zone}
- return 1
- }
- }
-
- config_foreach find_networks_cb zone "$1"
- }
-
- setup_fwd() {
- local cfg="$1"
-
- local reflection
- config_get_bool reflection "$cfg" reflection 1
- [ "$reflection" == 1 ] || return
-
- local src
- config_get src "$cfg" src
-
- local target
- config_get target "$cfg" target DNAT
-
- [ "$src" = wan ] && [ "$target" = DNAT ] && {
- local dest
- config_get dest "$cfg" dest "lan"
- [ "$dest" != "*" ] || return
-
- local net
- for net in $(find_networks "$dest"); do
- local lannet
- network_get_subnet lannet "$net" || return
-
- local proto
- config_get proto "$cfg" proto
-
- local epmin epmax extport
- config_get extport "$cfg" src_dport "1-65535"
- [ -n "$extport" ] || return
-
- epmin="${extport%[-:]*}"; epmax="${extport#*[-:]}"
- [ "${epmin#!}" != "$epmax" ] || epmax=""
-
- local ipmin ipmax intport
- config_get intport "$cfg" dest_port "$extport"
-
- ipmin="${intport%[-:]*}"; ipmax="${intport#*[-:]}"
- [ "${ipmin#!}" != "$ipmax" ] || ipmax=""
-
- local exthost
- config_get exthost "$cfg" src_dip "$wanip"
-
- local inthost
- config_get inthost "$cfg" dest_ip
- [ -n "$inthost" ] || return
-
- [ "$proto" = all ] && proto="tcp udp"
- [ "$proto" = tcpudp ] && proto="tcp udp"
-
- [ "${inthost#!}" = "$inthost" ] || return 0
- [ "${exthost#!}" = "$exthost" ] || return 0
-
- [ "${epmin#!}" != "$epmin" ] && \
- extport="! --dport ${epmin#!}${epmax:+:$epmax}" || \
- extport="--dport $epmin${epmax:+:$epmax}"
-
- [ "${ipmin#!}" != "$ipmin" ] && \
- intport="! --dport ${ipmin#!}${ipmax:+:$ipmax}" || \
- intport="--dport $ipmin${ipmax:+:$ipmax}"
-
- local p
- for p in ${proto:-tcp udp}; do
- case "$p" in
- tcp|udp|6|17)
- iptables -t nat -A nat_reflection_in \
- -s $lannet -d $exthost \
- -p $p $extport \
- -j DNAT --to $inthost:${ipmin#!}${ipmax:+-$ipmax}
-
- iptables -t nat -A nat_reflection_out \
- -s $lannet -d $inthost \
- -p $p $intport \
- -j SNAT --to-source ${lannet%%/*}
-
- iptables -t filter -A nat_reflection_fwd \
- -s $lannet -d $inthost \
- -p $p $intport \
- -j ACCEPT
- ;;
- esac
- done
- done
- }
- }
-
- config_load firewall
- config_foreach setup_fwd redirect
-fi