From 8612d2a39a8fe4631c5c38810989282e65cba8af Mon Sep 17 00:00:00 2001 From: Benjamin James Harrison-Sims Date: Sun, 14 Apr 2013 21:19:57 +0500 Subject: [PATCH] Filter Invalid Names diff --git a/src/main/java/net/minecraft/server/Packet2Handshake.java b/src/main/java/net/minecraft/server/Packet2Handshake.java index 1e7bad0..f25afb6 100644 --- a/src/main/java/net/minecraft/server/Packet2Handshake.java +++ b/src/main/java/net/minecraft/server/Packet2Handshake.java @@ -14,11 +14,14 @@ public class Packet2Handshake extends Packet { public Packet2Handshake() {} + public static final java.util.regex.Pattern validName = java.util.regex.Pattern.compile("^[a-zA-Z0-9_-]{2,16}$"); public void a(DataInput datainput) throws IOException { // CraftBukkit - throws IOException this.a = datainput.readByte(); this.b = a(datainput, 16); this.c = a(datainput, 255); this.d = datainput.readInt(); + // Spigot: TODO: md_5 hates this + if(!validName.matcher(this.b).matches()) throw new IOException("Invalid name!"); // Spigot } public void a(DataOutput dataoutput) throws IOException { // CraftBukkit - throws IOException -- 1.8.1.2