mirror of
https://github.com/PaperMC/Paper.git
synced 2024-07-05 11:14:48 +02:00
1cfd363d32
Upstream has released updates that appear 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: fc460d1b PR-735: Add Villager#zombify c8c8331e PR-690: Add method to read ItemStack input 62845f2f SPIGOT-6829: Add per-player world border API CraftBukkit Changes: a459f4d4 PR-1033: Add Villager#zombify d65d1430 PR-975: Add method to read ItemStack input b5559f8c SPIGOT-6990: Fix setRepairCost(0) in Anvil 6c308e1b SPIGOT-6829: Add per-player world border API Spigot Changes: 42b61526 SPIGOT-7000: Generation and /locate issues when using custom structure seeds
87 lines
4.6 KiB
Diff
87 lines
4.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Nassim Jahnke <jahnke.nassim@gmail.com>
|
|
Date: Wed, 1 Dec 2021 12:36:25 +0100
|
|
Subject: [PATCH] Prevent sending oversized item data in equipment and metadata
|
|
|
|
|
|
diff --git a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
|
|
index 3eb6bf4258b1de4697f96c2011df493cf7414a0c..bbf4e6b0ca0fe046469c675fc9e0929b64006548 100644
|
|
--- a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
|
|
+++ b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
|
|
@@ -127,7 +127,7 @@ public class EntityDataSerializers {
|
|
public static final EntityDataSerializer<ItemStack> ITEM_STACK = new EntityDataSerializer<ItemStack>() {
|
|
@Override
|
|
public void write(FriendlyByteBuf buf, ItemStack value) {
|
|
- buf.writeItem(value);
|
|
+ buf.writeItem(net.minecraft.world.entity.LivingEntity.sanitizeItemStack(value, false)); // Paper - prevent oversized data
|
|
}
|
|
|
|
@Override
|
|
diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
|
|
index 9760ff4b6ca0e555f01151968cbfe0cdb8960e35..7464336f0c7ee59e59552afbad7bed0afcecef87 100644
|
|
--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
|
|
+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
|
|
@@ -319,7 +319,10 @@ public class ServerEntity {
|
|
ItemStack itemstack = ((LivingEntity) this.entity).getItemBySlot(enumitemslot);
|
|
|
|
if (!itemstack.isEmpty()) {
|
|
- list.add(Pair.of(enumitemslot, itemstack.copy()));
|
|
+ // Paper start - prevent oversized data
|
|
+ final ItemStack sanitized = LivingEntity.sanitizeItemStack(itemstack.copy(), false);
|
|
+ list.add(Pair.of(enumitemslot, sanitized));
|
|
+ // Paper end
|
|
}
|
|
}
|
|
|
|
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
|
|
index 4240d5bcb550c591706d978ddabffd79104faa37..626e53564d4130b98440982e174fd7c23b7df863 100644
|
|
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
|
|
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
|
|
@@ -3077,7 +3077,10 @@ public abstract class LivingEntity extends Entity {
|
|
equipmentChanges.forEach((enumitemslot, itemstack) -> {
|
|
ItemStack itemstack1 = itemstack.copy();
|
|
|
|
- list.add(Pair.of(enumitemslot, itemstack1));
|
|
+ // Paper start - prevent oversized data
|
|
+ ItemStack toSend = sanitizeItemStack(itemstack1, true);
|
|
+ list.add(Pair.of(enumitemslot, toSend));
|
|
+ // Paper end
|
|
switch (enumitemslot.getType()) {
|
|
case HAND:
|
|
this.setLastHandItem(enumitemslot, itemstack1);
|
|
@@ -3090,6 +3093,34 @@ public abstract class LivingEntity extends Entity {
|
|
((ServerLevel) this.level).getChunkSource().broadcast(this, new ClientboundSetEquipmentPacket(this.getId(), list));
|
|
}
|
|
|
|
+ // Paper start - prevent oversized data
|
|
+ public static ItemStack sanitizeItemStack(final ItemStack itemStack, final boolean copyItemStack) {
|
|
+ if (itemStack.isEmpty() || !itemStack.hasTag()) {
|
|
+ return itemStack;
|
|
+ }
|
|
+
|
|
+ final ItemStack copy = copyItemStack ? itemStack.copy() : itemStack;
|
|
+ final CompoundTag tag = copy.getTag();
|
|
+ if (copy.is(Items.BUNDLE) && tag.get("Items") instanceof ListTag oldItems && !oldItems.isEmpty()) {
|
|
+ // Bundles change their texture based on their fullness.
|
|
+ org.bukkit.inventory.meta.BundleMeta bundleMeta = (org.bukkit.inventory.meta.BundleMeta) copy.asBukkitMirror().getItemMeta();
|
|
+ int sizeUsed = 0;
|
|
+ for (org.bukkit.inventory.ItemStack item : bundleMeta.getItems()) {
|
|
+ int scale = 64 / item.getMaxStackSize();
|
|
+ sizeUsed += scale * item.getAmount();
|
|
+ }
|
|
+ // Now we add a single fake item that uses the same amount of slots as all other items.
|
|
+ ListTag items = new ListTag();
|
|
+ items.add(new ItemStack(Items.PAPER, sizeUsed).save(new CompoundTag()));
|
|
+ tag.put("Items", items);
|
|
+ }
|
|
+ if (tag.get("BlockEntityTag") instanceof CompoundTag blockEntityTag) {
|
|
+ blockEntityTag.remove("Items");
|
|
+ }
|
|
+ return copy;
|
|
+ }
|
|
+ // Paper end
|
|
+
|
|
private ItemStack getLastArmorItem(EquipmentSlot slot) {
|
|
return (ItemStack) this.lastArmorItemStacks.get(slot.getIndex());
|
|
}
|