19972e09b8
5a0150f586ed3eb15fe6f1f596d1a5a7d806f0f9 Fix ITEM_BREAK e6a3911057bd94d8bd7021cbb4923fb84fb106d1 Upstream merge d1cdcf8d4c3639f956474f02ed662517cffbe23e Remove old patch 068df64aeee368377e1673667bffc7a6dcf90554 Rebuild all patches
63 lines
2.8 KiB
Diff
63 lines
2.8 KiB
Diff
From 3b15cce121285a0a63220940aa09ba145ba79504 Mon Sep 17 00:00:00 2001
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From: Jonas Konrad <me@yawk.at>
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Date: Fri, 25 Apr 2014 23:46:46 +0200
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Subject: [PATCH] Fix race condition that could kill connections before they
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were initiated
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Because NetworkManagers are registered before they get their channel in
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channelActive, the ServerConnection would remove them sometimes because
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it thought they were disconnected. This commit fixes this by introducing
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a 'preparing' variable that is true while the NetworkManager is not
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initialized. The ServerConnection does not remove NetworkManagers with
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this flag.
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diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
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index 65b66cd..b4eb893 100644
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--- a/src/main/java/net/minecraft/server/NetworkManager.java
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+++ b/src/main/java/net/minecraft/server/NetworkManager.java
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@@ -35,6 +35,7 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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public SocketAddress j;
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public java.util.UUID spoofedUUID;
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public com.mojang.authlib.properties.Property[] spoofedProfile;
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+ public boolean preparing = true;
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// Spigot End
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private PacketListener k;
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private IChatBaseComponent l;
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@@ -49,6 +50,9 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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super.channelActive(channelhandlercontext);
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this.i = channelhandlercontext.channel();
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this.j = this.i.remoteAddress();
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+ // Spigot Start
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+ this.preparing = false;
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+ // Spigot End
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try {
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this.a(EnumProtocol.HANDSHAKING);
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@@ -163,6 +167,9 @@ public class NetworkManager extends SimpleChannelInboundHandler {
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}
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public void close(IChatBaseComponent ichatbasecomponent) {
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+ // Spigot Start
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+ this.preparing = false;
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+ // Spigot End
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if (this.i.isOpen()) {
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this.i.close(); // We can't wait as this may be called from an event loop.
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this.l = ichatbasecomponent;
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diff --git a/src/main/java/net/minecraft/server/ServerConnection.java b/src/main/java/net/minecraft/server/ServerConnection.java
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index 6c6ffa7..de1b3d1 100644
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--- a/src/main/java/net/minecraft/server/ServerConnection.java
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+++ b/src/main/java/net/minecraft/server/ServerConnection.java
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@@ -71,6 +71,10 @@ public class ServerConnection {
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if (!networkmanager.h()) {
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if (!networkmanager.g()) {
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+ // Spigot Start
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+ // Fix a race condition where a NetworkManager could be unregistered just before connection.
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+ if (networkmanager.preparing) continue;
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+ // Spigot End
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iterator.remove();
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networkmanager.l();
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} else {
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--
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2.1.0
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