mirror of https://github.com/aredn/aredn.git
109 lines
3.3 KiB
Lua
Executable File
109 lines
3.3 KiB
Lua
Executable File
#! /usr/bin/lua
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--[[
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Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
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Copyright (C) 2021 Tim Wilkinson
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Original Perl Copyright (C) 2015 Conrad Lara
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See Contributors file for additional contributors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Additional Terms:
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Additional use restrictions exist on the AREDN(TM) trademark and logo.
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See AREDNLicense.txt for more info.
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Attributions to the AREDN Project must be retained in the source code.
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If importing this code into a new or existing project attribution
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to the AREDN project must be added to the source code.
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You must not misrepresent the origin of the material contained within.
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Modified versions must be modified to attribute to the original source
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and be marked in reasonable ways as differentiate it from the original
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version
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--]]
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-- do the initial setup of the essential nvram variables
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-- node - node name
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-- mac2 - last 3 bytes of wifi mac address in the form ddd.ddd.ddd
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-- wifi_mac - full mac address of wireless card in the form hh:hh:hh:hh:hh:hh
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--
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-- intended to run every boot but it should only actually do anything
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-- on the first boot
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require("aredn.utils")
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require("iwinfo")
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require("aredn.hardware")
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local aredn_info = require('aredn.info')
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local wifi_mac = aredn_info.get_nvram("wifimac")
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local mac2 = aredn_info.get_nvram("mac2")
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local node = aredn_info.get_nvram("node")
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local dtdmac = aredn_info.get_nvram("dtdmac")
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local hardware_mac
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if wifi_mac == "" or mac2 == "" then
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local phy
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for i = 1,5
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do
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local f = io.popen("iwinfo " .. get_ifname("wifi") .. " info")
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if f then
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for line in f:lines()
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do
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phy = line:match("PHY name:%s*([a-z0-4]+)")
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if phy then
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break
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end
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end
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f:close()
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end
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if phy then
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break
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end
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sleep(5);
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end
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for line in io.lines("/sys/class/ieee80211/" .. phy .. "/macaddress")
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do
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local m = line:match("(%w%w:%w%w:%w%w:%w%w:%w%w:%w%w)")
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if m then
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hardware_mac = m
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break
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end
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end
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if not hardware_mac then
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io.stderr:write("ERROR: hardware mac not found\n")
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os.exit(-1)
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end
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end
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if wifi_mac == "" then
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aredn_info.set_nvram("wifimac", hardware_mac)
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end
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if mac2 == "" then
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local a, b, c = hardware_mac:match("%w%w:%w%w:%w%w:(%w%w):(%w%w):(%w%w)")
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mac2 = string.format("%d.%d.%d", tonumber(a, 16), tonumber(b, 16), tonumber(c, 16))
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aredn_info.set_nvram("mac2", mac2)
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end
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if node == "" then
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aredn_info.set_nvram("node", "NOCALL-" .. mac2:gsub("%.", "-"))
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end
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if dtdmac == "" then
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local a, b, c = aredn.hardware.get_interface_mac(aredn.hardware.get_iface_name("lan")):match("%w%w:%w%w:%w%w:(%w%w):(%w%w):(%w%w)")
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aredn_info.set_nvram("dtdmac", string.format("%d.%d.%d", tonumber(a, 16), tonumber(b, 16), tonumber(c, 16)))
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end
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