wagon/back/lib/wg_peer_add

#!/bin/bash
# FILE:       	wagon:back/lib/wg/peer/add
# DESCRIPTION:	Add a new peer to a wireguard interface
# USAGE:      	add pubkey psk allowedips

source /etc/wagon/config
pubkey="${1}"; psk="${2}"; allowedips="${3}"

if ! res="$(printf '%s\n' "${psk}" | sudo /usr/bin/wg set "${TLD}" peer "${pubkey}" preshared-key /dev/stdin allowed-ips "${allowedips}")"; then
	printf '%s %s\n' "${?}" "${res}" >&2
	exit 1
fi