mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-28 15:30:19 +01:00
526795bacd
* Update patches to handle vineflower decompiler * update patches again to handle inlined simple lambdas * update vf again and re-apply/rebuild patches * update patches after removal of verify-merges flag * fix compile issue * remove maven local * fix some issues * address more issues * fix collision patch * use paperweight release * more fixes * update fineflower and fix patches again * add missing comment descriptor --------- Co-authored-by: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
26 lines
1.9 KiB
Diff
26 lines
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Aikar <aikar@aikar.co>
|
|
Date: Sat, 2 May 2020 03:09:46 -0400
|
|
Subject: [PATCH] Validate PickItem Packet and kick for invalid
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
index f78f5be4a1d3e551649090b296881d8dafea1ab9..f0cacf20fbe7dbe11856d89f423c1c74a242853e 100644
|
|
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
|
|
@@ -867,7 +867,14 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
|
|
@Override
|
|
public void handlePickItem(ServerboundPickItemPacket packet) {
|
|
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
|
|
- this.player.getInventory().pickSlot(packet.getSlot());
|
|
+ // Paper start - validate pick item position
|
|
+ if (!(packet.getSlot() >= 0 && packet.getSlot() < this.player.getInventory().items.size())) {
|
|
+ ServerGamePacketListenerImpl.LOGGER.warn("{} tried to set an invalid carried item", this.player.getName().getString());
|
|
+ this.disconnect("Invalid hotbar selection (Hacking?)");
|
|
+ return;
|
|
+ }
|
|
+ this.player.getInventory().pickSlot(packet.getSlot()); // Paper - Diff above if changed
|
|
+ // Paper end - validate pick item position
|
|
this.player.connection.send(new ClientboundContainerSetSlotPacket(-2, 0, this.player.getInventory().selected, this.player.getInventory().getItem(this.player.getInventory().selected)));
|
|
this.player.connection.send(new ClientboundContainerSetSlotPacket(-2, 0, packet.getSlot(), this.player.getInventory().getItem(packet.getSlot())));
|
|
this.player.connection.send(new ClientboundSetCarriedItemPacket(this.player.getInventory().selected));
|