#!/bin/bash -x

die() {
	echo "E: $@"
	exit 1
}

cmds="iptables ip6tables"
[[ $XT_MULTI == *xtables-nft-multi ]] && cmds+=" arptables ebtables"

declare -A invnames
invnames["existing"]="c2"
invnames["spaced"]="foo bar"
invnames["dashed"]="-foo"
invnames["negated"]="!foo"
# XXX: ebtables-nft accepts 255 chars
#invnames["overlong"]="thisisquitealongnameforachain"
invnames["standard target"]="ACCEPT"
invnames["extension target"]="DNAT"

for cmd in $cmds; do
	$XT_MULTI $cmd -N c1 || die "$cmd: can't add chain c1"
	$XT_MULTI $cmd -N c2 || die "$cmd: can't add chain c2"
	for key in "${!invnames[@]}"; do
		val="${invnames[$key]}"
		if [[ $key == "extension target" ]]; then
			if [[ $cmd == "arptables" ]]; then
				val="mangle"
			elif [[ $cmd == "ebtables" ]]; then
				val="dnat"
			fi
		fi
		$XT_MULTI $cmd -N "$val" && \
			die "$cmd: added chain with $key name"
		$XT_MULTI $cmd -E c1 "$val" && \
			die "$cmd: renamed to $key name"
	done
done

exit 0