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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
86 lines
5.0 KiB
Diff
86 lines
5.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Tue, 22 Nov 2022 13:16:01 -0800
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Subject: [PATCH] check global player list where appropriate
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Makes certain entities check all players when searching for a player
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instead of just checking players in their world.
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diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
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index b5eda9931a82a667c25ca1a49980b01b042dc0cc..5f1a4a35d2179b7ff5a95390f82d65cacf4fd457 100644
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--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
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+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
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@@ -2385,4 +2385,12 @@ public class ServerLevel extends Level implements WorldGenLevel {
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entity.updateDynamicGameEventListener(DynamicGameEventListener::move);
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}
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}
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+
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+ // Paper start - check global player list where appropriate
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+ @Override
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+ @Nullable
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+ public Player getGlobalPlayerByUUID(UUID uuid) {
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+ return this.server.getPlayerList().getPlayer(uuid);
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+ }
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+ // Paper end - check global player list where appropriate
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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 5fd17014c95e04d50d30e79d6e331a06b238b613..4959d8fd8f84f99f289b898fd604d8a9808d62a4 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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@@ -3698,7 +3698,7 @@ public abstract class LivingEntity extends Entity implements Attackable {
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}
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public void onItemPickup(ItemEntity item) {
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- Entity entity = item.getOwner();
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+ Entity entity = item.thrower != null ? this.level().getGlobalPlayerByUUID(item.thrower) : null; // Paper - check global player list where appropriate
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if (entity instanceof ServerPlayer) {
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CriteriaTriggers.THROWN_ITEM_PICKED_UP_BY_ENTITY.trigger((ServerPlayer) entity, item.getItem(), this);
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diff --git a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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index d4ac3e566b47cfc8688bcc2ab08385b6de4693f8..7de9d012e7416eaa0189b513a0972c846e93c4b6 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/ZombieVillager.java
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@@ -272,7 +272,7 @@ public class ZombieVillager extends Zombie implements VillagerDataHolder {
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entityvillager.finalizeSpawn(world, world.getCurrentDifficultyAt(entityvillager.blockPosition()), MobSpawnType.CONVERSION, (SpawnGroupData) null, (CompoundTag) null);
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entityvillager.refreshBrain(world);
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if (this.conversionStarter != null) {
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- Player entityhuman = world.getPlayerByUUID(this.conversionStarter);
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+ Player entityhuman = world.getGlobalPlayerByUUID(this.conversionStarter); // Paper - check global player list where appropriate
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if (entityhuman instanceof ServerPlayer) {
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CriteriaTriggers.CURED_ZOMBIE_VILLAGER.trigger((ServerPlayer) entityhuman, this, entityvillager);
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diff --git a/src/main/java/net/minecraft/world/level/EntityGetter.java b/src/main/java/net/minecraft/world/level/EntityGetter.java
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index e7b6f97d8519a5797903664e5ba2a793e37a4bfc..57d4d2014f33a2f069d6c5aaa8e87e36b63a7177 100644
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--- a/src/main/java/net/minecraft/world/level/EntityGetter.java
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+++ b/src/main/java/net/minecraft/world/level/EntityGetter.java
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@@ -231,4 +231,11 @@ public interface EntityGetter {
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return null;
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}
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+
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+ // Paper start - check global player list where appropriate
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+ @Nullable
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+ default Player getGlobalPlayerByUUID(UUID uuid) {
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+ return this.getPlayerByUUID(uuid);
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+ }
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+ // Paper end - check global player list where appropriate
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}
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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index e143f42e71ac774d49b75e6d85591aa1189ee210..c27b97e9f097c824de7c785b4cc9e0a503259b08 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/SculkShriekerBlockEntity.java
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@@ -100,6 +100,13 @@ public class SculkShriekerBlockEntity extends BlockEntity implements GameEventLi
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@Nullable
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public static ServerPlayer tryGetPlayer(@Nullable Entity entity) {
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+ // Paper start - check global player list where appropriate; ensure level is the same for sculk events
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+ final ServerPlayer player = tryGetPlayer0(entity);
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+ return player != null && player.level() == entity.level() ? player : null;
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+ }
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+ @Nullable
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+ private static ServerPlayer tryGetPlayer0(@Nullable Entity entity) {
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+ // Paper end - check global player list where appropriate
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if (entity instanceof ServerPlayer serverPlayer) {
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return serverPlayer;
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} else {
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