#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Copyright (C) 2015-2018 Jason A. Donenfeld . All Rights Reserved. if [[ -z $NCAT_REMOTE_ADDR ]]; then ip link del dev wg0 2>/dev/null set -e ip link add dev wg0 type wireguard ip address add 192.168.4.1/24 dev wg0 wg set wg0 private-key <(wg genkey) listen-port 12912 ip link set up dev wg0 exec ncat -e "$(readlink -f "$0")" -k -l -p 42912 -v fi read -r public_key [[ $(wg show wg0 peers | wc -l) -ge 253 ]] && wg set wg0 peer $(wg show wg0 latest-handshakes | sort -k 2 -b -n | head -n 1 | cut -f 1) remove next_ip=$(all="$(wg show wg0 allowed-ips)"; for ((i=2; i<=254; i++)); do ip="192.168.4.$i"; [[ $all != *$ip/32* ]] && echo $ip && break; done) wg set wg0 peer "$public_key" allowed-ips $next_ip/32 2>/dev/null && echo "OK:$(wg show wg0 private-key | wg pubkey):$(wg show wg0 listen-port):$next_ip" || echo ERROR