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https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-16 11:30:06 +01:00
d385af0e01
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: 0a4b84d6 SPIGOT-7003: Add missing PlayerAnimationType 830db7d5 SPIGOT-5984: Add non deprecated / magic value way to set pixel in MapCanvas 20caf8ff PR-754: Add DamageCause.SONIC_BOOM CraftBukkit Changes: 576a03704 SPIGOT-7003: Add missing PlayerAnimationType 0dcc5fdd0 SPIGOT-5984: Add non deprecated / magic value way to set pixel in MapCanvas d75aacb43 Update Netty version 3b34c6bea SPIGOT-7044: Modified RandomSourceWrapper to ensure random is not null before setting seed 4b60bfd18 PR-1059: Add DamageCause.SONIC_BOOM
32 Zeilen
1.9 KiB
Diff
32 Zeilen
1.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Fri, 12 Jun 2020 16:51:39 -0700
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Subject: [PATCH] Prevent position desync in playerconnection causing tp
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exploit
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Caused the server to revert to the player's overworld coordinates
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after teleporting into the end.
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Sidenote: The underlying issue is that the move call can teleport
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entities and do other things like kill the entity. In the future,
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to fix all exploits derieved from this usually unexpected
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behaviour, we need to move all of this dangerous logic outside
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of the move call and into an appropriate place in the tick method.
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 8c1800836497803cfcd8bca4ddd340003e4cc1d5..1049563602ead577f24bb4b698ffb2fb386cdf21 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -1373,6 +1373,11 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
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this.player.move(MoverType.PLAYER, new Vec3(d7, d8, d9));
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this.player.onGround = packet.isOnGround(); // CraftBukkit - SPIGOT-5810, SPIGOT-5835, SPIGOT-6828: reset by this.player.move
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+ // Paper start - prevent position desync
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+ if (this.awaitingPositionFromClient != null) {
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+ return; // ... thanks Mojang for letting move calls teleport across dimensions.
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+ }
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+ // Paper end - prevent position desync
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double d12 = d8;
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d7 = d0 - this.player.getX();
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