#!/usr/bin/lua

--! LibreMesh
--! Copyright (C) 2020 Gui iribarren <gui@altermundi.net>
--!
--! This program is free software: you can redistribute it and/or modify
--! it under the terms of the GNU Affero General Public License as
--! published by the Free Software Foundation, either version 3 of the
--! License, or (at your option) any later version.
--!
--! This program is distributed in the hope that it will be useful,
--! but WITHOUT ANY WARRANTY; without even the implied warranty of
--! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--! GNU Affero General Public License for more details.
--!
--! You should have received a copy of the GNU Affero General Public License
--! along with this program.  If not, see <http://www.gnu.org/licenses/>.

local JSON = require("luci.jsonc")

local uci = require("uci"):cursor()

uci:foreach("dhcp", "dnsmasq",
  function(s)
    localDomain = uci:get("dhcp", s[".name"], "local"):gsub("/","")
  end
)

local anygwIPv6 = uci:get("network", "lm_net_br_lan_anygw_if", "ip6addr")
if anygwIPv6 then anygwIPv6 = anygwIPv6:gsub("/.*$", "") end

local domains = {}
domains[localDomain] = anygwIPv6

--! JSON.stringify(domains) will output for example {"cloud1.mesh":"fd0d:fe46:8ce8::ab:cd00"}
io.popen("shared-state insert dnsmasq-servers", "w"):write(JSON.stringify(domains))