From 1ec71bbefe7689fecb1d3dfb4c0a37791f298712 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 6 May 2012 18:04:45 +0000
Subject: [PATCH] modules/admin-full: add mac address suggestions to mac filter
 settings

---
 .../luasrc/model/cbi/admin_network/wifi.lua   | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua b/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
index b007c8666..334d9f20f 100644
--- a/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
+++ b/modules/admin-full/luasrc/model/cbi/admin_network/wifi.lua
@@ -105,6 +105,29 @@ local function txpower_current(pwr, list)
 	return (list[#list] and list[#list].driver_dbm) or pwr or 0
 end
 
+local function arplist(opt)
+	local _, e, mac, ip, name
+	local arp = { }
+
+	for _, e in ipairs(luci.sys.net.arptable()) do
+		arp[e["HW address"]:upper()] = { 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:upper()] = { 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:upper()] = { ip, name ~= "*" and name } end
+	end
+
+	for mac, e in luci.util.kspairs(arp) do
+		opt:value(mac, "%s (%s)" %{ mac, e[2] or e[1] })
+	end
+end
+
 local iw = luci.sys.wifi.getiwinfo(arg[1])
 local hw_modes      = iw.hwmodelist or { }
 local tx_power_list = txpower_list(iw)
@@ -437,6 +460,7 @@ if hwtype == "mac80211" then
 	ml.datatype = "macaddr"
 	ml:depends({macfilter="allow"})
 	ml:depends({macfilter="deny"})
+	arplist(ml)
 
 	mode:value("ap-wds", "%s (%s)" % {translate("Access Point"), translate("WDS")})
 	mode:value("sta-wds", "%s (%s)" % {translate("Client"), translate("WDS")})
@@ -536,6 +560,7 @@ if hwtype == "atheros" then
 	ml.datatype = "macaddr"
 	ml:depends({macpolicy="allow"})
 	ml:depends({macpolicy="deny"})
+	arplist(ml)
 
 	s:taboption("advanced", Value, "rate", translate("Transmission Rate"))
 	s:taboption("advanced", Value, "mcast_rate", translate("Multicast Rate"))
@@ -609,6 +634,7 @@ if hwtype == "prism2" then
 	ml = s:taboption("macfilter", DynamicList, "maclist", translate("MAC-List"))
 	ml:depends({macpolicy="allow"})
 	ml:depends({macpolicy="deny"})
+	arplist(ml)
 
 	s:taboption("advanced", Value, "rate", translate("Transmission Rate"))
 	s:taboption("advanced", Value, "frag", translate("Fragmentation Threshold"))
-- 
2.25.1