vpn-stack/wg-cron.sh
2023-03-13 13:13:13 -07:00

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#!/bin/bash
#
# vpn-stack
# A set of bash scripts for installing and managing a WireGuard VPN server.
# https://git.stack-source.com/msb/vpn-stack
# Copyright (c) 2022 Matthew Saunders Brown <matthewsaundersbrown@gmail.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
#
# wg-cron.sh
# check for peers (clients) with connections older that two minutes
# remove them then add them back to wireguard
# this removes the endpoint (last connected IP) and transfer stats
# load include file
source $(dirname $0)/wg.sh
# get peer of clients with "minutes" in their last handshake
clients=($(wg|grep -B 4 minutes|grep peer|cut -d ' ' -f 2))
# get number of peers found above
clientCount=${#clients[@]}
# if any peers found cycle through them
if [ $clientCount -gt 0 ]; then
for (( i=0; i<${clientCount}; i++ ));
do
# remove peer from wireguard
wg set wg0 peer ${clients[$i]} remove
config=$(grep -l "PublicKey = ${clients[$i]}" /etc/wireguard/peers/*.conf)
# add peer back to wireguard
wg addconf wg0 $config
done
# save to config so that changes survive wireguard restart
wg-quick save wg0
fi