From 678af46dd7b6a3bec0cbeade863a589687abfffc Mon Sep 17 00:00:00 2001
From: Diego Martinez <kaeza@users.sf.net>
Date: Fri, 26 Dec 2014 23:26:54 -0300
Subject: [PATCH] Don't store the IP of the player if `get_player_ip` fails.

---
 init.lua | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/init.lua b/init.lua
index 8e81c7b..fef26ea 100644
--- a/init.lua
+++ b/init.lua
@@ -170,10 +170,19 @@ end)
 
 minetest.register_on_joinplayer(function(player)
 	local name = player:get_player_name()
+	local e = xban.find_entry(name)
 	local ip = minetest.get_player_ip(name)
-	local e = xban.find_entry(name) or xban.find_entry(ip, true)
+	if not e then
+		if ip then
+			e = xban.find_entry(ip, true)
+		else
+			return
+		end
+	end
 	e.names[name] = true
-	e.names[ip] = true
+	if ip then
+		e.names[ip] = true
+	end
 	e.last_seen = os.time()
 end)