mirror of
https://github.com/PaperMC/Paper.git
synced 2024-09-12 06:58:11 +02:00
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: da08d022 SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN 0cef14e4 Remove draft API from selectEntities CraftBukkit Changes:a46fdbc6
Remove outdated build delay.3697519b
SPIGOT-4708: Fix ExactChoice recipes neglecting material9ead7009
SPIGOT-4677: Add minecraft.admin.command_feedback permissionc3749a23
Remove the Damage tag from items when it is 0.f74c7b95
SPIGOT-4706: Can't interact with active item494eef45
Mention requirement of JIRA ticket for bug fixes51d62dec
SPIGOT-4702: Exception when middle clicking certain slotsbe557e69
SPIGOT-4700: Add PlayerFishEvent.State.REEL_IN
118 lines
4.8 KiB
Diff
118 lines
4.8 KiB
Diff
From b07b820037f167f150b3af33ed2fff7e9cd88ea6 Mon Sep 17 00:00:00 2001
|
|
From: Aikar <aikar@aikar.co>
|
|
Date: Tue, 27 Nov 2018 21:18:06 -0500
|
|
Subject: [PATCH] Handle Large Packets disconnecting client
|
|
|
|
If a players inventory is too big to send in a single packet,
|
|
split the inventory set into multiple packets instead.
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/NetworkManager.java b/src/main/java/net/minecraft/server/NetworkManager.java
|
|
index c536979140..0b8796d0ae 100644
|
|
--- a/src/main/java/net/minecraft/server/NetworkManager.java
|
|
+++ b/src/main/java/net/minecraft/server/NetworkManager.java
|
|
@@ -99,6 +99,15 @@ public class NetworkManager extends SimpleChannelInboundHandler<Packet<?>> {
|
|
}
|
|
|
|
public void exceptionCaught(ChannelHandlerContext channelhandlercontext, Throwable throwable) {
|
|
+ // Paper start
|
|
+ if (throwable instanceof io.netty.handler.codec.EncoderException && throwable.getCause() instanceof PacketEncoder.PacketTooLargeException) {
|
|
+ if (((PacketEncoder.PacketTooLargeException) throwable.getCause()).getPacket().packetTooLarge(this)) {
|
|
+ return;
|
|
+ } else {
|
|
+ throwable = throwable.getCause();
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
if (throwable instanceof SkipEncodeException) {
|
|
NetworkManager.g.debug("Skipping packet due to errors", throwable.getCause());
|
|
} else {
|
|
diff --git a/src/main/java/net/minecraft/server/Packet.java b/src/main/java/net/minecraft/server/Packet.java
|
|
index 601d4d0fa2..2d8e6a2f4a 100644
|
|
--- a/src/main/java/net/minecraft/server/Packet.java
|
|
+++ b/src/main/java/net/minecraft/server/Packet.java
|
|
@@ -10,6 +10,12 @@ public interface Packet<T extends PacketListener> {
|
|
|
|
void a(T t0);
|
|
|
|
+ // Paper start
|
|
+ default boolean packetTooLarge(NetworkManager manager) {
|
|
+ return false;
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
default boolean a() {
|
|
return false;
|
|
}
|
|
diff --git a/src/main/java/net/minecraft/server/PacketEncoder.java b/src/main/java/net/minecraft/server/PacketEncoder.java
|
|
index 2aa805eef1..4f7bc186aa 100644
|
|
--- a/src/main/java/net/minecraft/server/PacketEncoder.java
|
|
+++ b/src/main/java/net/minecraft/server/PacketEncoder.java
|
|
@@ -49,7 +49,31 @@ public class PacketEncoder extends MessageToByteEncoder<Packet<?>> {
|
|
throw throwable;
|
|
}
|
|
}
|
|
+
|
|
+ // Paper start
|
|
+ int packetLength = bytebuf.readableBytes();
|
|
+ if (packetLength > MAX_PACKET_SIZE) {
|
|
+ throw new PacketTooLargeException(packet, packetLength);
|
|
+ }
|
|
+ // Paper end
|
|
}
|
|
}
|
|
}
|
|
+
|
|
+ // Paper start
|
|
+ private static int MAX_PACKET_SIZE = 2097152;
|
|
+
|
|
+ public static class PacketTooLargeException extends RuntimeException {
|
|
+ private final Packet<?> packet;
|
|
+
|
|
+ PacketTooLargeException(Packet<?> packet, int packetLength) {
|
|
+ super("PacketTooLarge - " + packet.getClass().getSimpleName() + " is " + packetLength + ". Max is " + MAX_PACKET_SIZE);
|
|
+ this.packet = packet;
|
|
+ }
|
|
+
|
|
+ public Packet<?> getPacket() {
|
|
+ return packet;
|
|
+ }
|
|
+ }
|
|
+ // Paper end
|
|
}
|
|
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
|
|
index 8e35d14f97..4a57e8a3ec 100644
|
|
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
|
|
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
|
|
@@ -76,7 +76,7 @@ public class PacketPlayOutMapChunk implements Packet<PacketListenerPlayOut> {
|
|
this.c = packetdataserializer.g();
|
|
int i = packetdataserializer.g();
|
|
|
|
- if (i > 2097152) {
|
|
+ if (i > 2097152) { // Paper - if this changes, update PacketEncoder
|
|
throw new RuntimeException("Chunk Packet trying to allocate too much memory on read.");
|
|
} else {
|
|
this.d = new byte[i];
|
|
diff --git a/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java b/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
|
|
index 706d843859..c0d8f8b428 100644
|
|
--- a/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
|
|
+++ b/src/main/java/net/minecraft/server/PacketPlayOutWindowItems.java
|
|
@@ -9,6 +9,15 @@ public class PacketPlayOutWindowItems implements Packet<PacketListenerPlayOut> {
|
|
private int a;
|
|
private List<ItemStack> b;
|
|
|
|
+ //Paper start
|
|
+ @Override
|
|
+ public boolean packetTooLarge(NetworkManager manager) {
|
|
+ for (int i = 0 ; i < this.b.size() ; i++) {
|
|
+ manager.sendPacket(new PacketPlayOutSetSlot(this.a, i, this.b.get(i)));
|
|
+ }
|
|
+ return true;
|
|
+ }
|
|
+ // Paper end
|
|
public PacketPlayOutWindowItems() {}
|
|
|
|
public PacketPlayOutWindowItems(int i, NonNullList<ItemStack> nonnulllist) {
|
|
--
|
|
2.21.0
|
|
|