#!/usr/bin/lua

--! LibreMesh
--! Copyright (C) 2019  Gioacchino Mazzurco <gio@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 recordsTable = {}

for line in io.input("/etc/hosts"):lines() do
	if line ~= "" and
		not line:match("^%s*$") and
		not line:match("^%s*127\.") and
		not line:match("^%s*::1%s") and
		not line:match("^%s*ff02::1%s") and
		not line:match("^%s*ff02::2%s") then
		recordsTable[line] = true
	end
end

io.popen("shared-state insert dnsmasq-hosts", "w"):write(JSON.stringify(recordsTable))