61 lines
2.4 KiB
Diff
61 lines
2.4 KiB
Diff
From 42b62f094b969198fa9c03249dcd16f45a56ddff Mon Sep 17 00:00:00 2001
|
|
From: Benjamin James Harrison-Sims <tehrainbowguy@gmail.com>
|
|
Date: Sun, 14 Apr 2013 21:19:57 +0500
|
|
Subject: [PATCH] Prevent handshake spam from invalid names.
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/Packet2Handshake.java b/src/main/java/net/minecraft/server/Packet2Handshake.java
|
|
index 343af93..aa6609b 100644
|
|
--- a/src/main/java/net/minecraft/server/Packet2Handshake.java
|
|
+++ b/src/main/java/net/minecraft/server/Packet2Handshake.java
|
|
@@ -1,5 +1,7 @@
|
|
package net.minecraft.server;
|
|
|
|
+import org.bukkit.craftbukkit.Spigot;
|
|
+
|
|
import java.io.DataInputStream;
|
|
import java.io.DataOutputStream;
|
|
|
|
@@ -19,6 +21,7 @@ public class Packet2Handshake extends Packet {
|
|
this.b = a(datainputstream, 16);
|
|
this.c = a(datainputstream, 255);
|
|
this.d = datainputstream.readInt();
|
|
+ if(!Spigot.validName.matcher(this.b).matches()) throw new IOException("Invalid name!"); // Spigot
|
|
}
|
|
|
|
public void a(DataOutputStream dataoutputstream) throws IOException { // CraftBukkit - throws IOException
|
|
diff --git a/src/main/java/org/bukkit/craftbukkit/Spigot.java b/src/main/java/org/bukkit/craftbukkit/Spigot.java
|
|
index 99020e7..c7ef0e1 100644
|
|
--- a/src/main/java/org/bukkit/craftbukkit/Spigot.java
|
|
+++ b/src/main/java/org/bukkit/craftbukkit/Spigot.java
|
|
@@ -6,6 +6,7 @@ import java.net.InetAddress;
|
|
import java.util.ArrayList;
|
|
import java.util.List;
|
|
import java.util.logging.Level;
|
|
+import java.util.regex.Pattern;
|
|
import net.minecraft.server.AxisAlignedBB;
|
|
import net.minecraft.server.Chunk;
|
|
import net.minecraft.server.Entity;
|
|
@@ -57,6 +58,7 @@ public class Spigot {
|
|
private static Metrics metrics;
|
|
public static List<String> bungeeIPs;
|
|
public static int textureResolution = 16;
|
|
+ public static final Pattern validName = Pattern.compile("^[a-zA-Z0-9_-]{2,16}$");
|
|
|
|
public static void initialize(CraftServer server, SimpleCommandMap commandMap, YamlConfiguration configuration) {
|
|
commandMap.register("bukkit", new org.bukkit.craftbukkit.command.TicksPerSecondCommand("tps"));
|
|
@@ -384,7 +386,9 @@ public class Spigot {
|
|
}
|
|
|
|
/**
|
|
- * Gets the range an entity should be 'tracked' by players and visible in the client.
|
|
+ * Gets the range an entity should be 'tracked' by players and visible in
|
|
+ * the client.
|
|
+ *
|
|
* @param entity
|
|
* @param defaultRange Default range defined by Mojang
|
|
* @return
|
|
--
|
|
1.8.1.2
|
|
|