wagon/back/lib/wg_user_list

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#!/bin/bash
# FILE: wagon:back/lib/wg/user/list
# DESCRIPTION: List all devices from all users
# USAGE: list json|tsv
source /etc/wagon/config
/usr/bin/wg show "${TLD}" allowed-ips | \
while IFS=$' ' read -r pubkey ipv4 ipv6; do
ipv4="${ipv4%%/*}"
ipv6="${ipv6%%/*}"
domain="$(/usr/lib/wagon/ns_lookup_rdns "${ipv4}")" || exit 4
username="$(<<<"${domain}" cut -d'.' -f2)"
hostname="$(<<<"${domain}" cut -d'.' -f1)"
case "${2}" in
#TODO Remove json keys with empty ("") values
'json') printf '{"domain":"%s.%s.%s","ipv4":"%s","ipv6":"%s","pubkey":"%s}"},' \
"${hostname}" "${username}" "${TLD}" "${ipv4}" "${ipv6}" "${pubkey}";;
*) printf '%s.%s.%s\t%s\t%s\t%s\n' \
"${hostname}" "${username}" "${TLD}" "${ipv4}" "${ipv6}" "${pubkey}";;
esac
done | sed 's/,$//' # Remove trailing comma from json