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-rw-r--r--package/network/config/firewall/files/reflection.hotplug169
1 files changed, 0 insertions, 169 deletions
diff --git a/package/network/config/firewall/files/reflection.hotplug b/package/network/config/firewall/files/reflection.hotplug
deleted file mode 100644
index 129a922e44..0000000000
--- a/package/network/config/firewall/files/reflection.hotplug
+++ /dev/null
@@ -1,169 +0,0 @@
-#!/bin/sh
-
-. /lib/functions.sh
-. /lib/functions/network.sh
-
-if [ "$ACTION" = "remove" ]; then
-
- delete_rules_by_comment() {
- local table="$1"
- local chain="$2"
- local comment="$3"
-
- iptables -t "$table" --line-numbers -nL "$chain" 2>/dev/null | \
- sed -e '
- 1d;
- 1! {
- \#^[0-9]\+ .* /\* '"$comment"' \*/.*$# {
- s/ .*$//;
- G; h;
- }
- };
- $!d;
- ' | xargs -n1 iptables -t "$table" -D "$chain" 2>/dev/null
- }
-
- delete_rules_by_comment nat nat_reflection_in "$INTERFACE"
- delete_rules_by_comment nat nat_reflection_out "$INTERFACE"
- delete_rules_by_comment filter nat_reflection_fwd "$INTERFACE"
-
-elif [ "$ACTION" = "add" ]; then
-
- prepare_chains() {
- iptables -t nat -N nat_reflection_in 2>/dev/null && {
- iptables -t nat -A prerouting_rule -j nat_reflection_in
- }
-
- iptables -t nat -N nat_reflection_out 2>/dev/null && {
- iptables -t nat -A postrouting_rule -j nat_reflection_out
- }
-
- iptables -t filter -N nat_reflection_fwd 2>/dev/null && {
- iptables -t filter -A forwarding_rule -j nat_reflection_fwd
- }
- }
-
- find_networks() {
- find_networks_cb() {
- local cfg="$1"
- local zone="$2"
- local need_masq="${3:-0}"
-
- local name
- config_get name "$cfg" name
-
- local masq
- config_get_bool masq "$cfg" masq 0
-
- [ "$name" = "$zone" ] && [ "$masq" -ge "$need_masq" ] && {
- local network
- config_get network "$cfg" network
-
- echo ${network:-$zone}
- return 1
- }
- }
-
- config_foreach find_networks_cb zone "$@"
- }
-
- setup_fwd() {
- local cfg="$1"
-
- local reflection
- config_get_bool reflection "$cfg" reflection 1
- [ "$reflection" == 1 ] || return
-
- local src
- config_get src "$cfg" src
- [ "$src" == "$ZONE" ] || return
-
- local dest
- config_get dest "$cfg" dest
- [ "$dest" != "*" ] || return
-
- local target
- config_get target "$cfg" target DNAT
- [ "$target" = DNAT ] || return
-
- prepare_chains
-
- local net
- for net in $(find_networks "$dest" 0); do
- local intnet
- network_get_subnet intnet "$net" || continue
-
- local proto
- config_get proto "$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 "$cfg" src_dip "$extip"
-
- 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 $intnet -d $exthost \
- -p $p $extport \
- -m comment --comment "$INTERFACE" \
- -j DNAT --to $inthost:${ipmin#!}${ipmax:+-$ipmax}
-
- iptables -t nat -A nat_reflection_out \
- -s $intnet -d $inthost \
- -p $p $intport \
- -m comment --comment "$INTERFACE" \
- -j SNAT --to-source ${intnet%%/*}
-
- iptables -t filter -A nat_reflection_fwd \
- -s $intnet -d $inthost \
- -p $p $intport \
- -m comment --comment "$INTERFACE" \
- -j ACCEPT
- ;;
- esac
- done
- done
- }
-
- config_load firewall
-
- local is_masq_zone="$(find_networks "$ZONE" 1)"
- [ -n "$is_masq_zone" ] || exit 0
-
- local extip
- network_get_ipaddr extip "$INTERFACE" || exit 0
-
- config_foreach setup_fwd redirect
-fi