#!/bin/sh
set -eu
if [ $# -ne 3 ]; then
echo 'usage: netns-publish PUBLIC_PORT NETNS_NAME NETNS_ADDRESS:NETNS_PORT'
exit 1
fi
exec socat tcp-listen:"$1",reuseaddr,fork "exec:ip netns exec $2 socat stdio 'tcp-connect:$3',nofork"