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Fix invalid username patch to disconnect correctly

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This commit is contained in:
md_5 2013-07-25 17:06:35 +10:00
parent 5d31ee288a
commit ea574d0315
2 changed files with 23 additions and 23 deletions
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40
CraftBukkit-Patches/0032-Filter-Invalid-Names.patch
View File

@ -1,28 +1,28 @@
From 814cb42764064d0a31a56ff09f9ac8e28d3a9f8d Mon Sep 17 00:00:00 2001
From: Benjamin James Harrison-Sims <tehrainbowguy@gmail.com>
Date: Sun, 14 Apr 2013 21:19:57 +0500
From df75188d9a61b26b3da65f3458f2abcf18a39e26 Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Thu, 25 Jul 2013 17:06:02 +1000
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}$");
public void a(DataInput datainput) throws IOException { // CraftBukkit - throws IOException
this.a = datainput.readByte();
this.b = a(datainput, 16);
this.c = a(datainput, 255);
this.d = datainput.readInt();
+ // Spigot: TODO: md_5 hates this
+ if(!validName.matcher(this.b).matches()) throw new IOException("Invalid name!"); // Spigot
diff --git a/src/main/java/net/minecraft/server/PendingConnection.java b/src/main/java/net/minecraft/server/PendingConnection.java
index 0eacd84..e634575 100644
--- a/src/main/java/net/minecraft/server/PendingConnection.java
+++ b/src/main/java/net/minecraft/server/PendingConnection.java
@@ -66,12 +66,13 @@ public class PendingConnection extends Connection {
}
}
public void a(DataOutput dataoutput) throws IOException { // CraftBukkit - throws IOException
+ private static final java.util.regex.Pattern validName = java.util.regex.Pattern.compile("^[a-zA-Z0-9_-]{2,16}$"); // Spigot
public void a(Packet2Handshake packet2handshake) {
// CraftBukkit start
this.hostname = packet2handshake.c == null ? "" : packet2handshake.c + ':' + packet2handshake.d;
// CraftBukkit end
this.g = packet2handshake.f();
- if (!this.g.equals(StripColor.a(this.g))) {
+ if (!this.g.equals(StripColor.a(this.g)) || !validName.matcher( this.g ).matches() ) { // Spigot
this.disconnect("Invalid username!");
} else {
PublicKey publickey = this.server.H().getPublic();
--
1.8.1.2

6
CraftBukkit-Patches/0053-Always-Fire-PreLoginEvent.patch
View File

@ -1,14 +1,14 @@
From 71acae1d31a96f258f61efeac474cfd8cf77b157 Mon Sep 17 00:00:00 2001
From 24f1df5c2d5baa4d5a293d26b7b5b7dfeebe594b Mon Sep 17 00:00:00 2001
From: md_5 <md_5@live.com.au>
Date: Tue, 25 Jun 2013 18:09:26 +1000
Subject: [PATCH] Always Fire PreLoginEvent
diff --git a/src/main/java/net/minecraft/server/PendingConnection.java b/src/main/java/net/minecraft/server/PendingConnection.java
index 0eacd84..5cf58bf 100644
index e634575..c9dda32 100644
--- a/src/main/java/net/minecraft/server/PendingConnection.java
+++ b/src/main/java/net/minecraft/server/PendingConnection.java
@@ -110,7 +110,7 @@ public class PendingConnection extends Connection {
@@ -111,7 +111,7 @@ public class PendingConnection extends Connection {
}
this.j = true;