Script to quickly connect to/disconnect from WireGuard servers using wg-quick.

wg-menu.sh

#! /usr/bin/env bash

set -euo pipefail

CONFIG_DIR="$XDG_DATA_HOME/WireGuard"
STATE_FILE="/tmp/wg-menu"

color() { echo -n "$(tput bold)$(tput setaf ${1})${2}$(tput sgr 0)" ; }
step() { echo "$(color 2 '[*]') $(color 7 "${@}")" ; }

do_down() {
    if [ ! -f "$STATE_FILE" ]; then
        echo "The connection is not up!"
        exit 2
    fi
    local CONFIG_FILE=$(sudo cat "$STATE_FILE")
    sudo -v
    step "Disconnecting from '$(basename $CONFIG_FILE)'..."
    sudo wg-quick down "$CONFIG_FILE"
    sudo rm "$STATE_FILE"
}

do_up() {
    local CONFIG_FILE=$(find "$CONFIG_DIR" -type f | sk)
    sudo -v
    if [ -f "$STATE_FILE" ]; then do_down; fi
    step "Connecting to '$(basename $CONFIG_FILE)'..."
    sudo wg-quick up "$CONFIG_FILE"
    echo "$CONFIG_FILE" | sudo tee "$STATE_FILE" > /dev/null
}

case "${1-}" in
    up) do_up ;;
    down) do_down ;;
    *) echo "Usage: $0 up|down"; exit 1; ;;
esac