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-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
-- Licensed to the public under the Apache License 2.0.
module("luci.tools.status", package.seeall)
local uci = require "luci.model.uci".cursor()
local ipc = require "luci.ip"
local function dhcp_leases_common(family)
local rv = { }
local nfs = require "nixio.fs"
local sys = require "luci.sys"
local leasefile = "/tmp/dhcp.leases"
uci:foreach("dhcp", "dnsmasq",
function(s)
if s.leasefile and nfs.access(s.leasefile) then
leasefile = s.leasefile
return false
end
end)
local fd = io.open(leasefile, "r")
if fd then
while true do
local ln = fd:read("*l")
if not ln then
break
else
local ts, mac, ip, name, duid = ln:match("^(%d+) (%S+) (%S+) (%S+) (%S+)")
local expire = tonumber(ts) or 0
if ts and mac and ip and name and duid then
if family == 4 and not ip:match(":") then
rv[#rv+1] = {
expires = (expire ~= 0) and os.difftime(expire, os.time()),
macaddr = ipc.checkmac(mac) or "00:00:00:00:00:00",
ipaddr = ip,
hostname = (name ~= "*") and name
}
elseif family == 6 and ip:match(":") then
rv[#rv+1] = {
expires = (expire ~= 0) and os.difftime(expire, os.time()),
ip6addr = ip,
duid = (duid ~= "*") and duid,
hostname = (name ~= "*") and name
}
end
end
end
end
fd:close()
end
local lease6file = "/tmp/hosts/odhcpd"
uci:foreach("dhcp", "odhcpd",
function(t)
if t.leasefile and nfs.access(t.leasefile) then
lease6file = t.leasefile
return false
end
end)
local fd = io.open(lease6file, "r")
if fd then
while true do
local ln = fd:read("*l")
if not ln then
break
else
local iface, duid, iaid, name, ts, id, length, ip = ln:match("^# (%S+) (%S+) (%S+) (%S+) (-?%d+) (%S+) (%S+) (.*)")
local expire = tonumber(ts) or 0
if ip and iaid ~= "ipv4" and family == 6 then
rv[#rv+1] = {
expires = (expire >= 0) and os.difftime(expire, os.time()),
duid = duid,
ip6addr = ip,
hostname = (name ~= "-") and name
}
elseif ip and iaid == "ipv4" and family == 4 then
rv[#rv+1] = {
expires = (expire >= 0) and os.difftime(expire, os.time()),
macaddr = sys.net.duid_to_mac(duid) or "00:00:00:00:00:00",
ipaddr = ip,
hostname = (name ~= "-") and name
}
end
end
end
fd:close()
end
if family == 6 then
local _, lease
local hosts = sys.net.host_hints()
for _, lease in ipairs(rv) do
local mac = sys.net.duid_to_mac(lease.duid)
local host = mac and hosts[mac]
if host then
if not lease.name then
lease.host_hint = host.name or host.ipv4 or host.ipv6
elseif host.name and lease.hostname ~= host.name then
lease.host_hint = host.name
end
end
end
end
return rv
end
function dhcp_leases()
return dhcp_leases_common(4)
end
function dhcp6_leases()
return dhcp_leases_common(6)
end
function wifi_networks()
local rv = { }
local ntm = require "luci.model.network".init()
local dev
for _, dev in ipairs(ntm:get_wifidevs()) do
local rd = {
up = dev:is_up(),
device = dev:name(),
name = dev:get_i18n(),
networks = { }
}
local net
for _, net in ipairs(dev:get_wifinets()) do
local a, an = nil, 0
for _, a in pairs(net:assoclist() or {}) do
an = an + 1
end
rd.networks[#rd.networks+1] = {
name = net:shortname(),
link = net:adminlink(),
up = net:is_up(),
mode = net:active_mode(),
ssid = net:active_ssid(),
bssid = net:active_bssid(),
encryption = net:active_encryption(),
frequency = net:frequency(),
channel = net:channel(),
signal = net:signal(),
quality = net:signal_percent(),
noise = net:noise(),
bitrate = net:bitrate(),
ifname = net:ifname(),
country = net:country(),
txpower = net:txpower(),
txpoweroff = net:txpower_offset(),
num_assoc = an,
disabled = (dev:get("disabled") == "1" or
net:get("disabled") == "1")
}
end
rv[#rv+1] = rd
end
return rv
end
function wifi_network(id)
local ntm = require "luci.model.network".init()
local net = ntm:get_wifinet(id)
if net then
local dev = net:get_device()
if dev then
return {
id = id,
name = net:shortname(),
link = net:adminlink(),
up = net:is_up(),
mode = net:active_mode(),
ssid = net:active_ssid(),
bssid = net:active_bssid(),
encryption = net:active_encryption(),
frequency = net:frequency(),
channel = net:channel(),
signal = net:signal(),
quality = net:signal_percent(),
noise = net:noise(),
bitrate = net:bitrate(),
ifname = net:ifname(),
country = net:country(),
txpower = net:txpower(),
txpoweroff = net:txpower_offset(),
disabled = (dev:get("disabled") == "1" or
net:get("disabled") == "1"),
device = {
up = dev:is_up(),
device = dev:name(),
name = dev:get_i18n()
}
}
end
end
return { }
end
function wifi_assoclist()
local sys = require "luci.sys"
local ntm = require "luci.model.network".init()
local hosts = sys.net.host_hints()
local assoc = {}
local _, dev, net, bss
for _, dev in ipairs(ntm:get_wifidevs()) do
local radioname = dev:get_i18n()
for _, net in ipairs(dev:get_wifinets()) do
local netname = net:shortname()
local netlink = net:adminlink()
local ifname = net:ifname()
for _, bss in pairs(net:assoclist() or {}) do
local host = hosts[_]
bss.bssid = _
bss.ifname = ifname
bss.radio = radioname
bss.name = netname
bss.link = netlink
bss.host_name = (host) and (host.name or host.ipv4 or host.ipv6)
bss.host_hint = (host and host.name and (host.ipv4 or host.ipv6)) and (host.ipv4 or host.ipv6)
assoc[#assoc+1] = bss
end
end
end
table.sort(assoc, function(a, b)
if a.radio ~= b.radio then
return a.radio < b.radio
elseif a.ifname ~= b.ifname then
return a.ifname < b.ifname
else
return a.bssid < b.bssid
end
end)
return assoc
end
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