#!/bin/bash

[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }

set -e

rule="-p tcp -m tcp --dport 27374 -c 23 42 -j TPROXY --on-port 50080"
for cmd in iptables ip6tables; do
	$XT_MULTI $cmd -t mangle -A PREROUTING $rule
	$XT_MULTI $cmd -t mangle -Z
	$XT_MULTI $cmd -t mangle -v -S | grep -q -- "${rule/23 42/0 0}"
done