From fd8fc229971219b6e6d7fe07af16ea74ec998c71 Mon Sep 17 00:00:00 2001
From: "s0wlz (Matthias Puchstein)" <matthias@puchstein.lu>
Date: Mon, 13 Apr 2026 21:07:47 +0200
Subject: [PATCH] net: validate player_name in register RPC

---
 ruf-der-pilze/scripts/network_manager.gd | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ruf-der-pilze/scripts/network_manager.gd b/ruf-der-pilze/scripts/network_manager.gd
index ce00c61..310bacd 100644
--- a/ruf-der-pilze/scripts/network_manager.gd
+++ b/ruf-der-pilze/scripts/network_manager.gd
@@ -77,6 +77,9 @@ func register(player_name: String, role: String) -> void:
 	if not multiplayer.is_server():
 		return
 	var sender_id := multiplayer.get_remote_sender_id()
+	if player_name.strip_edges().is_empty():
+		kick.rpc_id(sender_id, "Spielername darf nicht leer sein.")
+		return
 	if role == "dm":
 		for p in players.values():
 			if p.role == "dm":