835bc39b03
Updated Upstream (Bukkit/CraftBukkit/Spigot) Bukkit Changes: 2dcc44dc SPIGOT-4307: Fix hacky API for banners on shields e0fc6572 SPIGOT-4309: Add "forced" display of particles efeeab2f Add index to README.md for easier navigation f502bc6f Update to Minecraft 1.13.1 CraftBukkit Changes: d0bb0a1d Fix some tests randomly failing 997d378d Fix client stall in specific teleportation scenarios b3dc2366 SPIGOT-4307: Fix hacky API for banners on shields 2a271162 SPIGOT-4301: Fix more invalid enchants 5d0d83bb SPIGOT-4309: Add "forced" display of particles a6772578 Add additional tests for CraftBlockData ce1af0c3 Update to Minecraft 1.13.1 Spigot Changes: 2440e189 Rebuild patches 4ecffced Update to Minecraft 1.13.1
62 lines
3.5 KiB
Diff
62 lines
3.5 KiB
Diff
From 4a30598e11988808422e02822c399e739869d129 Mon Sep 17 00:00:00 2001
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From: Sudzzy <originmc@outlook.com>
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Date: Thu, 3 Mar 2016 02:50:31 -0600
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Subject: [PATCH] Configurable inter-world teleportation safety
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People are able to abuse the way Bukkit handles teleportation across worlds since it provides a built in teleportation
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safety check.
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To abuse the safety check, players are required to get into a location deemed unsafe by Bukkit e.g. be within a chest
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or door block. While they are in this block, they accept a teleport request from a player within a different world. Once
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the player teleports, Minecraft will recursively search upwards for a safe location, this could eventually land within a
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player's skybase.
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Example setup to perform the glitch: http://puu.sh/ng3PC/cf072dcbdb.png
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The wanted destination was on top of the emerald block however the player ended on top of the diamond block.
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This only is the case if the player is teleporting between worlds.
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diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index c982869995..4a2d296746 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -188,4 +188,9 @@ public class PaperWorldConfig {
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private void portalSearchRadius() {
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portalSearchRadius = getInt("portal-search-radius", 128);
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}
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+
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+ public boolean disableTeleportationSuffocationCheck;
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+ private void disableTeleportationSuffocationCheck() {
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+ disableTeleportationSuffocationCheck = getBoolean("disable-teleportation-suffocation-check", false);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
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index 4320efaef5..9f2c7d3f45 100644
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--- a/src/main/java/net/minecraft/server/PlayerList.java
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+++ b/src/main/java/net/minecraft/server/PlayerList.java
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@@ -792,7 +792,7 @@ public abstract class PlayerList {
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exitWorld.getTravelAgent().adjustExit(entityplayer, exit, velocity);
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entityplayer.worldChangeInvuln = true; // CraftBukkit - Set teleport invulnerability only if player changing worlds
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- this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, true); // SPIGOT-3864
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+ this.moveToWorld(entityplayer, exitWorld.dimension, true, exit, !exitWorld.paperConfig.disableTeleportationSuffocationCheck); // SPIGOT-3864 // Paper GH-1149 - Tie suffocation check to config option
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if (entityplayer.motX != velocity.getX() || entityplayer.motY != velocity.getY() || entityplayer.motZ != velocity.getZ()) {
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entityplayer.getBukkitEntity().setVelocity(velocity);
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 8db92714ea..86f485e6ff 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -701,7 +701,8 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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if (fromWorld == toWorld) {
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entity.playerConnection.teleport(to);
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} else {
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- server.getHandle().moveToWorld(entity, toWorld.dimension, true, to, true);
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+ // Paper - Configurable suffocation check
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+ server.getHandle().moveToWorld(entity, toWorld.dimension, true, to, !toWorld.paperConfig.disableTeleportationSuffocationCheck);
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}
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return true;
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}
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--
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2.18.0
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