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-- Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
-- Licensed to the public under the Apache License 2.0.
local utl = require "luci.util"
local sys = require "luci.sys"
local ipc = require "luci.ip"
local fs = require "nixio.fs"
m = SimpleForm("wol", translate("Wake on LAN"),
translate("Wake on LAN is a mechanism to remotely boot computers in the local network."))
m.submit = translate("Wake up host")
m.reset = false
local has_ewk = fs.access("/usr/bin/etherwake")
local has_wol = fs.access("/usr/bin/wol")
s = m:section(SimpleSection)
if has_ewk and has_wol then
bin = s:option(ListValue, "binary", translate("WoL program"),
translate("Sometimes only one of the two tools works. If one fails, try the other one"))
bin:value("/usr/bin/etherwake", "Etherwake")
bin:value("/usr/bin/wol", "WoL")
end
if has_ewk then
iface = s:option(ListValue, "iface", translate("Network interface to use"),
translate("Specifies the interface the WoL packet is sent on"))
if has_wol then
iface:depends("binary", "/usr/bin/etherwake")
end
iface:value("", translate("Broadcast on all interfaces"))
for _, e in ipairs(sys.net.devices()) do
if e ~= "lo" then iface:value(e) end
end
end
host = s:option(Value, "mac", translate("Host to wake up"),
translate("Choose the host to wake up or enter a custom MAC address to use"))
sys.net.mac_hints(function(mac, name)
host:value(mac, "%s (%s)" %{ mac, name })
end)
if has_ewk then
broadcast = s:option(Flag, "broadcast",
translate("Send to broadcast address"))
if has_wol then
broadcast:depends("binary", "/usr/bin/etherwake")
end
end
function host.write(self, s, val)
local host = luci.http.formvalue("cbid.wol.1.mac")
local mac = ipc.checkmac(host)
if mac then
local cmd
local util = luci.http.formvalue("cbid.wol.1.binary") or (
has_ewk and "/usr/bin/etherwake" or "/usr/bin/wol"
)
if util == "/usr/bin/etherwake" then
local iface = luci.http.formvalue("cbid.wol.1.iface")
local broadcast = luci.http.formvalue("cbid.wol.1.broadcast")
cmd = "%s -D%s %s %q 2>&1" %{
util, (iface ~= "" and " -i %s" % utl.shellquote(iface) or ""),
(broadcast == "1" and " -b" or ""), mac
}
else
cmd = "%s -v %q" %{ util, mac }
end
local msg = "<p><strong>%s</strong><br /><br /><code>%s<br /><br />" %{
translate("Starting WoL utility:"), utl.pcdata(cmd)
}
local p = io.popen(cmd .. " 2>&1")
if p then
while true do
local l = p:read("*l")
if l then
if #l > 100 then l = l:sub(1, 100) .. "..." end
msg = msg .. l .. "<br />"
else
break
end
end
p:close()
end
msg = msg .. "</code></p>"
m.message = msg
end
end
return m
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