#!/bin/bash --

set -eu
umask 0077
tmpdir="$(mktemp -d)"

if ! [[ $tmpdir =~ ^/[/A-Za-z0-9._-]+$ ]]; then
    echo 'Error: non admissible character detected in sock path.'>&2
    exit 1
fi

sock="$tmpdir/terminal.sock"

xterm -geometry 80x24 -e /bin/sh -c "
until [ -S $sock ]; do sleep 0.1; done || true
exec socat file:/dev/tty,rawer,escape=0x0f UNIX-CONNECT:$sock" &

trap 'rm -rf -- "$tmpdir"' EXIT
socat "UNIX-LISTEN:\"$sock\"" -
wait