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29 lines
1.2 KiB
Diff
29 lines
1.2 KiB
Diff
From df75188d9a61b26b3da65f3458f2abcf18a39e26 Mon Sep 17 00:00:00 2001
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From: md_5 <md_5@live.com.au>
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Date: Thu, 25 Jul 2013 17:06:02 +1000
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Subject: [PATCH] Filter Invalid Names
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diff --git a/src/main/java/net/minecraft/server/PendingConnection.java b/src/main/java/net/minecraft/server/PendingConnection.java
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index 0eacd84..e634575 100644
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--- a/src/main/java/net/minecraft/server/PendingConnection.java
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+++ b/src/main/java/net/minecraft/server/PendingConnection.java
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@@ -66,12 +66,13 @@ public class PendingConnection extends Connection {
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}
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}
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+ private static final java.util.regex.Pattern validName = java.util.regex.Pattern.compile("^[a-zA-Z0-9_-]{2,16}$"); // Spigot
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public void a(Packet2Handshake packet2handshake) {
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// CraftBukkit start
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this.hostname = packet2handshake.c == null ? "" : packet2handshake.c + ':' + packet2handshake.d;
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// CraftBukkit end
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this.g = packet2handshake.f();
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- if (!this.g.equals(StripColor.a(this.g))) {
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+ if (!this.g.equals(StripColor.a(this.g)) || !validName.matcher( this.g ).matches() ) { // Spigot
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this.disconnect("Invalid username!");
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} else {
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PublicKey publickey = this.server.H().getPublic();
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--
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1.8.1.2
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