Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 12:30:06 +01:00
275173e538
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: 0c5d8709 SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends 255c4fdb SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot CraftBukkit Changes: b6b514b7e SPIGOT-7400: Downgrade maven-resolver due to issues resolving certain depends fcff84de9 SPIGOT-7399: Revert null check in CraftMetaItem#safelyAdd 44a4b5649 SPIGOT-7380: Add PlayerInteractEvent#getClickedPosition and ChiseledBookshelf#getSlot 676969d01 SPIGOT-7389: Handle setting null items in ChiseledBookshelf Inventory
87 Zeilen
4.7 KiB
Diff
87 Zeilen
4.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Nassim Jahnke <nassim@njahnke.dev>
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Date: Wed, 1 Dec 2021 12:36:25 +0100
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Subject: [PATCH] Prevent sending oversized item data in equipment and metadata
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diff --git a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
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index 97da8896865ff0bdd4fe8f2155b0830b42051bb1..9ca897d92c5bdd2764d114c74d64c776674d6beb 100644
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--- a/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
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+++ b/src/main/java/net/minecraft/network/syncher/EntityDataSerializers.java
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@@ -42,7 +42,7 @@ public class EntityDataSerializers {
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public static final EntityDataSerializer<ItemStack> ITEM_STACK = new EntityDataSerializer<ItemStack>() {
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@Override
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public void write(FriendlyByteBuf buf, ItemStack value) {
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- buf.writeItem(value);
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+ buf.writeItem(net.minecraft.world.entity.LivingEntity.sanitizeItemStack(value, true)); // Paper - prevent oversized data
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}
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@Override
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diff --git a/src/main/java/net/minecraft/server/level/ServerEntity.java b/src/main/java/net/minecraft/server/level/ServerEntity.java
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index 09f6948a52721b27ccd7c761a7efd09bfd7a183c..71a8812365503d840f6702a21d504a37d67c7194 100644
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--- a/src/main/java/net/minecraft/server/level/ServerEntity.java
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+++ b/src/main/java/net/minecraft/server/level/ServerEntity.java
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@@ -338,7 +338,10 @@ public class ServerEntity {
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ItemStack itemstack = ((LivingEntity) this.entity).getItemBySlot(enumitemslot);
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if (!itemstack.isEmpty()) {
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- list.add(Pair.of(enumitemslot, itemstack.copy()));
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+ // Paper start - prevent oversized data
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+ final ItemStack sanitized = LivingEntity.sanitizeItemStack(itemstack.copy(), false);
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+ list.add(Pair.of(enumitemslot, sanitized));
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+ // Paper end
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}
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}
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diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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index 70cdcc7508998ef1b107f60c619c3d521dadd124..3161b5da8bd4045123ee067ffc693165507a02ea 100644
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--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
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+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
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@@ -3167,7 +3167,10 @@ public abstract class LivingEntity extends Entity implements Attackable {
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equipmentChanges.forEach((enumitemslot, itemstack) -> {
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ItemStack itemstack1 = itemstack.copy();
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- list.add(Pair.of(enumitemslot, itemstack1));
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+ // Paper start - prevent oversized data
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+ ItemStack toSend = sanitizeItemStack(itemstack1, true);
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+ list.add(Pair.of(enumitemslot, toSend));
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+ // Paper end
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switch (enumitemslot.getType()) {
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case HAND:
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this.setLastHandItem(enumitemslot, itemstack1);
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@@ -3180,6 +3183,34 @@ public abstract class LivingEntity extends Entity implements Attackable {
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((ServerLevel) this.level()).getChunkSource().broadcast(this, new ClientboundSetEquipmentPacket(this.getId(), list));
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}
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+ // Paper start - prevent oversized data
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+ public static ItemStack sanitizeItemStack(final ItemStack itemStack, final boolean copyItemStack) {
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+ if (itemStack.isEmpty() || !itemStack.hasTag()) {
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+ return itemStack;
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+ }
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+
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+ final ItemStack copy = copyItemStack ? itemStack.copy() : itemStack;
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+ final CompoundTag tag = copy.getTag();
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+ if (copy.is(Items.BUNDLE) && tag.get("Items") instanceof ListTag oldItems && !oldItems.isEmpty()) {
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+ // Bundles change their texture based on their fullness.
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+ org.bukkit.inventory.meta.BundleMeta bundleMeta = (org.bukkit.inventory.meta.BundleMeta) copy.asBukkitMirror().getItemMeta();
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+ int sizeUsed = 0;
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+ for (org.bukkit.inventory.ItemStack item : bundleMeta.getItems()) {
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+ int scale = 64 / item.getMaxStackSize();
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+ sizeUsed += scale * item.getAmount();
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+ }
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+ // Now we add a single fake item that uses the same amount of slots as all other items.
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+ ListTag items = new ListTag();
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+ items.add(new ItemStack(Items.PAPER, sizeUsed).save(new CompoundTag()));
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+ tag.put("Items", items);
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+ }
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+ if (tag.get("BlockEntityTag") instanceof CompoundTag blockEntityTag) {
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+ blockEntityTag.remove("Items");
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+ }
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+ return copy;
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+ }
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+ // Paper end
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+
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private ItemStack getLastArmorItem(EquipmentSlot slot) {
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return (ItemStack) this.lastArmorItemStacks.get(slot.getIndex());
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}
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