Add macvlan support

luci-mod-admin-full/luasrc/model/cbi/admin_system/crontab.lua

@@ -0,0 +1,32 @@
+-- Copyright 2008 Steven Barth <steven@midlink.org>
+-- Copyright 2008-2013 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local fs = require "nixio.fs"
+local cronfile = "/etc/crontabs/root" 
+
+f = SimpleForm("crontab", translate("Scheduled Tasks"),
+	translate("This is the system crontab in which scheduled tasks can be defined.") ..
+	translate("<br/>Note: you need to manually restart the cron service if the " ..
+		"crontab file was empty before editing."))
+
+t = f:field(TextValue, "crons")
+t.rmempty = true
+t.rows = 10
+function t.cfgvalue()
+	return fs.readfile(cronfile) or ""
+end
+
+function f.handle(self, state, data)
+	if state == FORM_VALID then
+		if data.crons then
+			fs.writefile(cronfile, data.crons:gsub("\r\n", "\n"))
+			luci.sys.call("/usr/bin/crontab %q" % cronfile)
+		else
+			fs.writefile(cronfile, "")
+		end
+	end
+	return true
+end
+
+return f