#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Copyright (C) 2015-2020 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. exec < <(exec wg show all dump) printf '{' while read -r -d $'\t' device; do if [[ $device != "$last_device" ]]; then [[ -z $last_device ]] && printf '\n' || printf '%s,\n' "$end" last_device="$device" read -r private_key public_key listen_port fwmark printf '\t"%s": {' "$device" delim=$'\n' [[ $private_key == "(none)" ]] || { printf '%s\t\t"privateKey": "%s"' "$delim" "$private_key"; delim=$',\n'; } [[ $public_key == "(none)" ]] || { printf '%s\t\t"publicKey": "%s"' "$delim" "$public_key"; delim=$',\n'; } [[ $listen_port == "0" ]] || { printf '%s\t\t"listenPort": %u' "$delim" $(( $listen_port )); delim=$',\n'; } [[ $fwmark == "off" ]] || { printf '%s\t\t"fwmark": %u' "$delim" $(( $fwmark )); delim=$',\n'; } printf '%s\t\t"peers": {' "$delim"; end=$'\n\t\t}\n\t}' delim=$'\n' else read -r public_key preshared_key endpoint allowed_ips latest_handshake transfer_rx transfer_tx persistent_keepalive printf '%s\t\t\t"%s": {' "$delim" "$public_key" delim=$'\n' [[ $preshared_key == "(none)" ]] || { printf '%s\t\t\t\t"presharedKey": "%s"' "$delim" "$preshared_key"; delim=$',\n'; } [[ $endpoint == "(none)" ]] || { printf '%s\t\t\t\t"endpoint": "%s"' "$delim" "$endpoint"; delim=$',\n'; } [[ $latest_handshake == "0" ]] || { printf '%s\t\t\t\t"latestHandshake": %u' "$delim" $(( $latest_handshake )); delim=$',\n'; } [[ $transfer_rx == "0" ]] || { printf '%s\t\t\t\t"transferRx": %u' "$delim" $(( $transfer_rx )); delim=$',\n'; } [[ $transfer_tx == "0" ]] || { printf '%s\t\t\t\t"transferTx": %u' "$delim" $(( $transfer_tx )); delim=$',\n'; } [[ $persistent_keepalive == "off" ]] || { printf '%s\t\t\t\t"persistentKeepalive": %u' "$delim" $(( $persistent_keepalive )); delim=$',\n'; } printf '%s\t\t\t\t"allowedIps": [' "$delim" delim=$'\n' if [[ $allowed_ips != "(none)" ]]; then old_ifs="$IFS" IFS=, for ip in $allowed_ips; do printf '%s\t\t\t\t\t"%s"' "$delim" "$ip" delim=$',\n' done IFS="$old_ifs" delim=$'\n' fi printf '%s\t\t\t\t]' "$delim" printf '\n\t\t\t}' delim=$',\n' fi done printf '%s\n' "$end" printf '}\n'