#!/bin/sh # # Copyright (C) 2020 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. if ipaddrcheck --is-ipv6 $1; then # Set address family to IPv6 when an IPv6 address was specified OPT="-V" elif [[ $(dig $1 AAAA +short | grep -v '\.$' | wc -l) -gt 0 ]]; then # CNAME is also part of the dig answer thus we must remove any # CNAME response and only shot the AAAA response(s), this is done # by grep -v '\.$' # Set address family to IPv6 when FQDN has at least one AAAA record OPT="-V" fi /usr/bin/iperf $OPT -c $1 $2