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 sys = require "luci.sys"
14 local fs = require "nixio.fs"
16 m = SimpleForm("wol", translate("Wake on LAN"),
17 translate("Wake on LAN is a mechanism to remotely boot computers in the local network."))
19 m.submit = translate("Wake up host")
23 local has_ewk = fs.access("/usr/bin/etherwake")
24 local has_wol = fs.access("/usr/bin/wol")
27 s = m:section(SimpleSection)
30 local e, ip, mac, name
32 if has_ewk and has_wol then
33 bin = s:option(ListValue, "binary", translate("WoL program"),
34 translate("Sometimes only one of both tools work. If one of fails, try the other one"))
36 bin:value("/usr/bin/etherwake", "Etherwake")
37 bin:value("/usr/bin/wol", "WoL")
41 iface = s:option(ListValue, "iface", translate("Network interface to use"),
42 translate("Specifies the interface the WoL packet is sent on"))
45 iface:depends("binary", "/usr/bin/etherwake")
48 iface:value("", translate("Broadcast on all interfaces"))
50 for _, e in ipairs(sys.net.devices()) do
51 if e ~= "lo" then iface:value(e) end
56 for _, e in ipairs(sys.net.arptable()) do
57 arp[e["HW address"]] = { e["IP address"] }
60 for e in io.lines("/etc/ethers") do
61 mac, ip = e:match("^([a-f0-9]%S+) (%S+)")
62 if mac and ip then arp[mac] = { ip } end
65 for e in io.lines("/var/dhcp.leases") do
66 mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
67 if mac and ip then arp[mac] = { ip, name ~= "*" and name } end
70 host = s:option(Value, "mac", translate("Host to wake up"),
71 translate("Choose the host to wake up or enter a custom MAC address to use"))
73 for mac, ip in pairs(arp) do
74 host:value(mac, "%s (%s)" %{ mac, ip[2] or ip[1] })
78 function host.write(self, s, val)
79 local host = luci.http.formvalue("cbid.wol.1.mac")
80 if host and #host > 0 then
82 local util = luci.http.formvalue("cbid.wol.1.binary") or (
83 has_ewk and "/usr/bin/etherwake" or "/usr/bin/wol"
86 if util == "/usr/bin/etherwake" then
87 local iface = luci.http.formvalue("cbid.wol.1.iface")
89 util, (iface ~= "" and " -i %q" % iface or ""), host
92 cmd = "%s -v %q" %{ util, host }
95 local msg = "<p><strong>%s</strong><br /><br /><code>%s<br /><br />" %{
96 translate("Starting WoL utility:"), cmd
99 local p = io.popen(cmd .. " 2>&1")
102 local l = p:read("*l")
104 if #l > 100 then l = l:sub(1, 100) .. "..." end
105 msg = msg .. l .. "<br />"
113 msg = msg .. "</code></p>"