applications: add WoL application

diff --git a/applications/luci-wol/Makefile b/applications/luci-wol/Makefile
new file mode 100644 (file)
index 0000000..7c4a85b
--- /dev/null
+++ b/applications/luci-wol/Makefile
@@ -0,0 +1,4 @@
+PO = wol
+
+include ../../build/config.mk
+include ../../build/module.mk

diff --git a/applications/luci-wol/luasrc/controller/wol.lua b/applications/luci-wol/luasrc/controller/wol.lua
new file mode 100644 (file)
index 0000000..429ab2a
--- /dev/null
+++ b/applications/luci-wol/luasrc/controller/wol.lua
@@ -0,0 +1,9 @@
+module("luci.controller.wol", package.seeall)
+
+function index()
+       require("luci.i18n").loadc("wol")
+       local i18n = luci.i18n.translate
+
+       entry({"admin", "network", "wol"}, cbi("wol"), i18n("Wake on LAN"), 90).i18n = "wol"
+       entry({"mini", "network", "wol"}, cbi("wol"), i18n("Wake on LAN"), 90).i18n = "wol"
+end

diff --git a/applications/luci-wol/luasrc/model/cbi/wol.lua b/applications/luci-wol/luasrc/model/cbi/wol.lua
new file mode 100644 (file)
index 0000000..078d42e
--- /dev/null
+++ b/applications/luci-wol/luasrc/model/cbi/wol.lua
@@ -0,0 +1,126 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2008 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+$Id: olsrd.lua 5560 2009-11-21 00:22:35Z jow $
+]]--
+
+local sys = require "luci.sys"
+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")
+
+if luci.http.formvalue("cbi.submit") then
+       local host = luci.http.formvalue("cbid.wol.1.mac")
+       if host and #host > 0 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")
+                       cmd = "%s -D%s %q" %{
+                               util, (iface ~= "" and " -i %q" % iface or ""), host
+                       }
+               else
+                       cmd = "%s -v %q" %{ util, host }
+               end
+
+               is = m:section(SimpleSection)
+
+               function is.render()
+                       luci.http.write(
+                               "<p><br /><strong>%s</strong><br /><br /><code>%s<br /><br />" %{
+                                       translate("Starting WoL utility:"), 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
+                                               luci.http.write(l .. "<br />")
+                                       else
+                                               break
+                                       end
+                               end
+                               p:close()
+                       end
+
+                       luci.http.write("</code><br /></p>")
+               end
+       end
+end
+
+
+s = m:section(SimpleSection)
+
+local arp = { }
+local e, ip, mac, name
+
+if has_ewk and has_wol then
+       bin = s:option(ListValue, "binary", translate("WoL program"),
+               translate("Sometimes only one of both tools work. If one of 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
+
+
+for _, e in ipairs(sys.net.arptable()) do
+       arp[e["HW address"]] = { e["IP address"] }
+end
+
+for e in io.lines("/etc/ethers") do
+       mac, ip = e:match("^([a-f0-9]%S+) (%S+)")
+       if mac and ip then arp[mac] = { ip } end
+end
+
+for e in io.lines("/var/dhcp.leases") do
+       mac, ip, name = e:match("^%d+ (%S+) (%S+) (%S+)")
+       if mac and ip then arp[mac] = { ip, name ~= "*" and name } 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"))
+
+for mac, ip in pairs(arp) do
+       host:value(mac, "%s (%s)" %{ mac, ip[2] or ip[1] })
+end
+
+
+return m
+