2 LuCI - Lua Configuration Interface
4 Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
10 http://www.apache.org/licenses/LICENSE-2.0
13 local uci = require "luci.model.uci".cursor()
14 local utl = require "luci.util"
15 local sys = require "luci.sys"
16 local fs = require "nixio.fs"
18 m = SimpleForm("wol", translate("Wake on LAN"),
19 translate("Wake on LAN is a mechanism to remotely boot computers in the local network."))
21 m.submit = translate("Wake up host")
25 local has_ewk = fs.access("/usr/bin/etherwake")
26 local has_wol = fs.access("/usr/bin/wol")
29 s = m:section(SimpleSection)
32 local e, ip, mac, name
34 if has_ewk and has_wol then
35 bin = s:option(ListValue, "binary", translate("WoL program"),
36 translate("Sometimes only one of both tools work. If one of fails, try the other one"))
38 bin:value("/usr/bin/etherwake", "Etherwake")
39 bin:value("/usr/bin/wol", "WoL")
43 iface = s:option(ListValue, "iface", translate("Network interface to use"),
44 translate("Specifies the interface the WoL packet is sent on"))
47 iface:depends("binary", "/usr/bin/etherwake")
50 iface:value("", translate("Broadcast on all interfaces"))
52 for _, e in ipairs(sys.net.devices()) do
53 if e ~= "lo" then iface:value(e) end
58 for _, e in ipairs(sys.net.arptable()) do
59 arp[e["HW address"]:upper()] = { e["IP address"] }
62 for e in io.lines("/etc/ethers") do
63 mac, ip = e:match("^([a-f0-9]%S+) (%S+)")
64 if mac and ip then arp[mac:upper()] = { ip } end
67 for e in io.lines("/var/dhcp.leases") do
68 mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
69 if mac and ip then arp[mac:upper()] = { ip, name ~= "*" and name } end
72 uci:foreach("dhcp", "host",
74 if s.mac and s.ip then
75 arp[s.mac:upper()] = { s.ip, s.name }
79 host = s:option(Value, "mac", translate("Host to wake up"),
80 translate("Choose the host to wake up or enter a custom MAC address to use"))
82 for mac, ip in utl.kspairs(arp) do
83 host:value(mac, "%s (%s)" %{ mac, ip[2] or ip[1] })
87 function host.write(self, s, val)
88 local host = luci.http.formvalue("cbid.wol.1.mac")
89 if host and #host > 0 and host:match("^[a-fA-F0-9:]+$") then
91 local util = luci.http.formvalue("cbid.wol.1.binary") or (
92 has_ewk and "/usr/bin/etherwake" or "/usr/bin/wol"
95 if util == "/usr/bin/etherwake" then
96 local iface = luci.http.formvalue("cbid.wol.1.iface")
98 util, (iface ~= "" and " -i %q" % iface or ""), host
101 cmd = "%s -v %q" %{ util, host }
104 local msg = "<p><strong>%s</strong><br /><br /><code>%s<br /><br />" %{
105 translate("Starting WoL utility:"), cmd
108 local p = io.popen(cmd .. " 2>&1")
111 local l = p:read("*l")
113 if #l > 100 then l = l:sub(1, 100) .. "..." end
114 msg = msg .. l .. "<br />"
122 msg = msg .. "</code></p>"