Scissors/patches/server/0031-Validate-block-entity-...

32 lines
2.1 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Mon, 11 Jul 2022 17:29:12 -0300
Subject: [PATCH] Validate block entity/entity tag query positions
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index bb5120b65e7394c134b69fbde8e880298397076b..dc28a954a9ac0fa0615c7cf4797db5fca2e48989 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -1410,7 +1410,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
if (this.player.hasPermissions(2)) {
Entity entity = this.player.level().getEntity(packet.getEntityId());
- if (entity != null) {
+ if (entity != null && this.player.distanceToSqr(entity.position().x, entity.position().y, entity.position().z) < 32 * 32) { // Scissors - Validate entity tag query positions
CompoundTag nbttagcompound = entity.saveWithoutId(new CompoundTag());
this.player.connection.send(new ClientboundTagQueryPacket(packet.getTransactionId(), nbttagcompound));
@@ -1422,7 +1422,10 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
@Override
public void handleBlockEntityTagQuery(ServerboundBlockEntityTagQuery packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
- if (this.player.hasPermissions(2)) {
+ // Scissors start - Validate block entity tag query positions
+ if (this.player.hasPermissions(2) && this.player.level().isLoadedAndInBounds(packet.getPos())
+ && this.player.distanceToSqr(packet.getPos().getX(), packet.getPos().getY(), packet.getPos().getZ()) < 32 * 32) {
+ // Scissors end
BlockEntity tileentity = this.player.level().getBlockEntity(packet.getPos());
CompoundTag nbttagcompound = tileentity != null ? tileentity.saveWithoutMetadata() : null;