#!/usr/bin/lua
--[[
Part of AREDN -- Used for creating Amateur Radio Emergency Data Networks
Copyright (C) 2021 Tim Wilkinson
Original Perl Copyright (C) 2020 - Darryl Quinn
See Contributors file for additional contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 3 of the License.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see .
Additional Terms:
Additional use restrictions exist on the AREDN(TM) trademark and logo.
See AREDNLicense.txt for more info.
Attributions to the AREDN Project must be retained in the source code.
If importing this code into a new or existing project attribution
to the AREDN project must be added to the source code.
You must not misrepresent the origin of the material contained within.
Modified versions must be modified to attribute to the original source
and be marked in reasonable ways as differentiate it from the original
version
--]]
require("nixio")
require("aredn.hardware")
require("aredn.http")
require("aredn.utils")
require("aredn.html")
require("uci")
require("aredn.info")
local html = aredn.html
local urlprefix
local target = "unknown"
local arch = "unknown"
function defaultPackageRepos(repo)
if not urlprefix then
urlprefix = "http://downloads.arednmesh.org"
local release = "unknown"
for line in io.lines("/etc/openwrt_release")
do
local m = line:match("DISTRIB_RELEASE='(.*)'")
if m then
release = m
end
m = line:match("DISTRIB_TARGET='(.*)'")
if m then
target = m
end
m = line:match("DISTRIB_ARCH='(.*)'")
if m then
arch = m
end
end
local a, b = release:match("^(%d+)%.(%d+)%.")
if a and b then
urlprefix = urlprefix .. "/releases/" .. a .. "/" .. b .. "/" .. release
else
-- nightly
urlprefix = urlprefix .. "/snapshots"
end
end
if repo:match("aredn_core") then
return urlprefix .. "/targets/" .. target .. "/packages"
else
return urlprefix .. "/packages/" .. arch .. "/" .. repo
end
end
local settings = {
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].enable",
type = "boolean",
desc = "Enable Link Quality Management
aredn.@lqm[0].enable",
default = "1",
postcallback = "lqm_defaults()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].margin_snr",
type = "string",
desc = "SNR Margin in dB above Min SNR a signal must reach to be re-activated
aredn.@lqm[0].margin_snr",
default = "1",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].min_distance",
type = "string",
desc = "Min Distance in meters beyond which a neighbor RF link is allowed
aredn.@lqm[0].min_distance",
default = "0",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].auto_distance",
type = "string",
desc = "Default Distance in meters to use when actual distance cannot be calculated
aredn.@lqm[0].auto_distance",
default = "0",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].margin_quality",
type = "string",
desc = "Quality Margin percentage increase before neighbor can be re-activated
aredn.@lqm[0].margin_quality",
default = "1",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].ping_penalty",
type = "string",
desc = "Ping Penalty quality percentage to add when neighbor cannot be pinged
aredn.@lqm[0].ping_penalty",
default = "5",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].rts_threshold",
type = "string",
desc = "RTS Threshold in bytes before using RTS/CTS when hidden nodes are detected
aredn.@lqm[0].rts_threshold",
default = "1",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].mtu",
type = "string",
desc = "Maximum packet size in bytes sent over WiFi (256 to 1500)
aredn.@lqm[0].mtu",
default = "1500"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].user_blocks",
type = "string",
desc = "User Blocked comma-separated list of blocked MACs
aredn.@lqm[0].user_blocks",
default = "",
condition = "lqm_enabled()"
},
{
category = "Link Quality Settings",
key = "aredn.@lqm[0].user_allows",
type = "string",
desc = "User Allowed comma-separated list of always allowed MACs
aredn.@lqm[0].user_allows",
default = "",
condition = "lqm_enabled()"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].olsrd_gw",
type = "boolean",
desc = "Allow other MESH nodes to use my WAN - not recommended and OFF by default
aredn.@wan[0].olsrd_gw",
default = "0"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].lan_dhcp_route",
type = "boolean",
desc = "Allow my LAN devices to access my WAN - ON by default
aredn.@wan[0].lan_dhcp_route",
default = "1"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].lan_dhcp_defaultroute",
type = "boolean",
desc = "Provide default route to LAN devices even when WAN access is disabled
aredn.@wan[0].lan_dhcp_defaultroute",
default = "0"
},
{
category = "WAN Settings",
key = "aredn.wan.vlanid",
type = "string",
desc = "WAN VLAN Number - must be an integer in the range [1,4094]
aredn.wan.vlanid",
default = "",
condition = "supportsVLANChange()",
current = "currentWANVLAN()",
postcallback = "changeWANVLAN()"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].web_access",
type = "boolean",
desc = "Enable web access to the node from the WAN interface
aredn.@wan[0].web_access",
default = "1"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].ssh_access",
type = "boolean",
desc = "Enable SSH access to the node from the WAN interface
aredn.@wan[0].ssh_access",
default = "1"
},
{
category = "WAN Settings",
key = "aredn.@wan[0].telnet_access",
type = "boolean",
desc = "Enable TELNET access to the node from the WAN interface
aredn.@wan[0].telnet_access",
default = "1"
},
{
category = "Power Options",
key = "aredn.@poe[0].passthrough",
type = "boolean",
desc = "PoE Passthrough specifies whether PoE power should be enabled (Not all devices have PoE passthrough ports)
aredn.@poe[0].passthrough",
default = "0",
condition = "hasPOE()",
postcallback = "setPOEOutput()"
},
{
category = "Power Options",
key = "aredn.@usb[0].passthrough",
type = "boolean",
desc = "USB Power Passthrough specifies whether USB power should be enabled (Not all devices have USB powered ports)
aredn.@usb[0].passthrough",
default = "1",
postcallback = "setUSBOutput()",
condition = "hasUSB()"
},
{
category = "Tunnel Options",
key = "aredn.@tunnel[0].weight",
type = "string",
desc = "Tunnel Weight specifies the cost of using a tunnel. The higher the number, the less likely a tunnel is used.
aredn.@tunnel[0].weight",
default = "1",
condition = "not isSupernode()"
},
{
category = "Tunnel Options",
key = "aredn.@tunnel[0].wanonly",
type = "boolean",
desc = "WAN-Only Tunnel prevents tunnel traffic from being routed over the Mesh network itself
aredn.@tunnel[0].wanonly",
default = "1"
},
{
category = "Watchdog",
key = "aredn.@watchdog[0].enable",
type = "boolean",
desc = "The Watchdog will reboot the node if it stops operating correctly
aredn.@watchdog[0].enable",
default = "0"
},
{
category = "Watchdog",
key = "aredn.@watchdog[0].ping_addresses",
type = "string",
desc = "Watchdog IP addresses is a whitespace seperated list of IP addresses, one of which should always be pingable
aredn.@watchdog[0].ping_addresses",
default = ""
},
{
category = "Watchdog",
key = "aredn.@watchdog[0].daily",
type = "string",
desc = "Daily Watchdog hour is the hour every day (0-23) to automatically reboot the node
aredn.@watchdog[0].daily",
default = ""
},
{
category = "Memory Settings",
key = "aredn.@meshstatus[0].lowmem",
type = "string",
desc = "Low Memory Threshold in KB when the Mesh Status page will be truncated
aredn.@meshstatus[0].lowmem",
default = "10000"
},
{
category = "Memory Settings",
key = "aredn.@meshstatus[0].lowroutes",
type = "string",
desc = "Low Memory Max Routes is the maximum number of routes shown on the Mesh Status page when low memory is detected
aredn.@meshstatus[0].lowroutes",
default = "1000"
},
{
category = "Supernode Settings",
key = "aredn.@supernode[0].support",
type = "boolean",
desc = "Use any Supernodes found on the mesh
aredn.@supernode[0].support",
default = "1"
},
{
category = "Network Tools",
key = "aredn.olsr.restart",
type = "none",
desc = "OLSR Restart will restart OLSR when executed; wait up to 2 or 3 minutes to receive response
aredn.olsr.restart",
default = "0",
postcallback = "olsr_restart()"
},
{
category = "Network Tools",
key = "aredn.@iperf[0].enable",
type = "boolean",
desc = "IPERF Enable allows the included iperf3 client/server
aredn.@iperf[0].enable",
default = "1"
},
{
category = "Remote Logging",
key = "aredn.@remotelog[0].url",
type = "string",
desc = "Remote logging URL for the remote syslog machine. Must be formatted as protocol://ipaddress:port
aredn.@downloads[0].pkgs_luci",
default = defaultPackageRepos('luci'),
postcallback = "writePackageRepo('luci')"
},
{
category = "Firmware",
key = "aredn.@downloads[0].pkgs_packages",
type = "string",
desc = "Package Download URL for packages not included in the other sections
aredn.@downloads[0].pkgs_freifunk",
default = defaultPackageRepos('freifunk'),
postcallback = "writePackageRepo('freifunk')"
},
{
category = "Firmware",
key = "aredn.firmware.dangerous_upgrade",
type = "boolean",
desc = "Dangerous Upgrade Disables all safety checks usually applied when upgrading firmware
aredn.firmware.dangerous_upgrade",
default = "0",
current = "current_force_upgrade()",
postcallback = "update_force_upgrade()"
},
{
category = "AREDN Alert Settings",
key = "aredn.aam.refresh",
type = "none",
desc = "Alert Message Refresh - Execute to pull any AREDN Alert messages
aredn.aam.refresh",
default = "0",
postcallback = "aam_refresh()"
},
{
category = "AREDN Alert Settings",
key = "aredn.@alerts[0].localpath",
type = "string",
desc = "Alert Message Local URL - location from which local AREDN Alerts can be downloaded
aredn.@alerts[0].localpath",
default = ""
},
{
category = "AREDN Alert Settings",
key = "aredn.@alerts[0].groups",
type = "string",
desc = "Alert Message Groups - comma seperated list of group names to check for alert messages
aredn.@alerts[0].groups",
default = ""
},
{
category = "AREDN Alert Settings",
key = "aredn.@alerts[0].pollrate",
type = "string",
desc = "Alert Message Pollrate - how many hours to wait between polling for new AREDN Alerts
aredn.@alerts[0].pollrate",
default = "1"
},
{
category = "AREDN Alert Settings",
key = "aredn.aam.purge",
type = "none",
desc = "Alert Message Purge - execute to immediately delete all alerts from this node
aredn.aam.purge",
default = "",
postcallback = "alert_purge()"
}
}
local msgs = {}
--
-- helpers
--
function msg(m)
msgs[#msgs + 1] = m
end
-- uci cursor
local cursor = uci.cursor("/etc/config.mesh")
function cursor_set(a, b, c, d)
if not cursor:get(a, b) and b:match("@(.+)%[0%]") then
cursor:add(a, b:match("@(.+)%[0%]"))
end
cursor:set(a, b, c, d)
cursor:commit(a)
end
function cursor_get(a, b, c)
return cursor:get(a, b, c)
end
-- conditionals
function hasPOE()
return aredn.hardware.has_poe()
end
function hasUSB()
return aredn.hardware.has_usb()
end
function supportsVLANChange()
-- If we support advanced networking, we dont provide this option here
local board = aredn.hardware.get_board_type()
if board == "mikrotik,hap-ac2" or board == "mikrotik,hap-ac3" then
return false
end
local stat = nixio.fs.stat("/etc/aredn_include/swconfig")
-- We always support VLAN changing on devices without switches
if not (stat and stat.size > 0) then
return true
end
-- We also support VLAN changing on hAP, A750 and AR150 as WAN is on it's own ethernet port
local type = aredn.hardware.get_type()
if type == "rb-952ui-5ac2nd" or type == "routerboard-952ui-5ac2nd" or type == "gl-ar750" then
return true
end
-- Otherwise
return false
end
function isSupernode()
return cursor_get("aredn", "@supernode[0]", "enable") == "1"
end
-- callbacks
local newval
local key
function setPOEOutput()
if not newval then
newval = 0
end
os.execute("/usr/local/bin/poe_passthrough " .. newval)
end
function setUSBOutput()
if not newval then
newval = 0
end
os.execute("/usr/local/bin/usb_passthrough " .. newval)
end
function olsr_restart()
os.execute("/etc/init.d/olsrd restart")
end
function aam_refresh()
os.execute("/usr/local/bin/aredn_message.sh")
end
function alert_purge()
os.remove("/tmp/aredn_message")
os.remove("/tmp/local_message")
end
function lqm_enabled()
return cursor_get("aredn", "@lqm[0]", "enable") == "1"
end
function lqm_defaults()
cursor_set("aredn", "@lqm[0]", "min_snr", "15")
cursor_set("aredn", "@lqm[0]", "margin_snr", "1")
cursor_set("aredn", "@lqm[0]", "min_distance", "0")
cursor_set("aredn", "@lqm[0]", "auto_distance", "0")
cursor_set("aredn", "@lqm[0]", "max_distance", "80467")
cursor_set("aredn", "@lqm[0]", "min_quality", "50")
cursor_set("aredn", "@lqm[0]", "ping_penalty", "5")
cursor_set("aredn", "@lqm[0]", "margin_quality", "1")
end
function current_force_upgrade()
return nixio.fs.stat("/tmp/force-upgrade-this-is-dangerous") and 1 or 0
end
function update_force_upgrade()
if not newval or newval ~= "1" then
nixio.fs.remove("/tmp/force-upgrade-this-is-dangerous")
else
io.open("/tmp/force-upgrade-this-is-dangerous", "w+"):close()
end
end
function writePackageRepo(repo)
local uciurl = cursor_get("aredn", "@downloads[0]", "pkgs_" .. repo)
local disturl = capture("grep aredn_" .. repo .. " /etc/opkg/distfeeds.conf | cut -d' ' -f3")
if uciurl and disturl ~= "" then
os.execute("sed -i 's|" .. disturl:chomp() .. "|" .. uciurl:chomp() .. "|g' /etc/opkg/distfeeds.conf")
end
end
function currentWANVLAN()
for line in io.lines("/etc/config.mesh/_setup")
do
local vlan = line:match("^wan_intf = %w+%.(%d+)")
if vlan then
return vlan
end
end
local vlan = aredn.hardware.get_board_network_ifname("wan"):match("^%w+%.(%d+)")
if vlan then
return vlan
end
return ""
end
function changeWANVLAN()
local lines = {}
for line in io.lines("/etc/config.mesh/_setup")
do
if not line:match("^wan_intf = ") then
lines[#lines + 1] = line
end
end
if newval ~= "" then
local wan_intf = ""
for dev in aredn.hardware.get_board_network_ifname("wan"):gmatch("%S+")
do
wan_intf = wan_intf .. " " .. dev:match("^([^%.]+)") .. "." .. newval
end
if wan_intf ~= "" then
lines[#lines + 1] = "wan_intf =" .. wan_intf
end
end
local f = io.open("/etc/config.mesh/_setup", "w")
if f then
for _, line in ipairs(lines)
do
f:write(line .. "\n")
end
f:close()
end
end
function validate_rsyslog()
if newval ~= "" then
local proto, ip, port = newval:match("^(.+)://(%d+%.%d+%.%d+%.%d+):(%d+)$")
if not proto or not (proto == "tcp" or proto == "udp") then
msg("Badly formatted remote logging URL")
newval = ""
end
end
end
-- read_postdata
local parms = {}
if os.getenv("REQUEST_METHOD") == "POST" then
require('luci.http')
local request = luci.http.Request(nixio.getenv(),
function()
local v = io.read(1024)
if not v then
io.close()
end
return v
end
)
parms = request:formvalue()
end
if parms.button_firstboot then
os.execute("firstboot -y")
end
if parms.button_firstboot or parms.button_reboot then
html.reboot()
end
local node = aredn.info.get_nvram("node")
for i, setting in ipairs(settings)
do
if parms["button_save_" .. i] then
newval = parms["newval_" .. i]
if not newval then
newval = ""
else
newval = newval:gsub("^%s+", ""):gsub("%s+$", "")
end
if setting.type == "boolean" then
if newval == "1" or newval == "true" then
newval = "1"
else
newval = "0"
end
end
key = setting.key
if setting.precallback then
loadstring(setting.precallback)()
end
local a, b, c = setting.key:match("(.+)%.(.+)%.(.*)")
cursor_set(a, b, c, newval)
msg("Changed " .. key)
if setting.postcallback then
loadstring(setting.postcallback)()
end
os.execute("/usr/local/bin/node-setup > /dev/null 2>&1")
os.execute("/usr/local/bin/restart-services.sh > /dev/null 2>&1")
break
end
end
-- generate the page
http_header()
html.header(node .. " Advanced Configuration", false)
html.print([[
]])
html.print("