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45 lines
2.6 KiB
Diff
45 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 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 c248b66486044150c64eaddbef85fa6644494212..ada624b5f58381122e59568c2087cf38fd2baf3e 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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@@ -251,4 +251,9 @@ public class PaperWorldConfig {
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portalCreateRadius = getInt("portal-create-radius", 16);
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portalSearchVanillaDimensionScaling = getBoolean("portal-search-vanilla-dimension-scaling", true);
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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/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index b7dae85766f3077f92ab014562cf0143bff7c9d3..3c7ae0966f2e8d0ab0924047653792ac7ac75f10 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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@@ -905,7 +905,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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if (fromWorld == toWorld) {
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entity.connection.teleport(to);
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} else {
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- server.getHandle().respawn(entity, toWorld, true, to, true);
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+ server.getHandle().respawn(entity, toWorld, true, to, !toWorld.paperConfig.disableTeleportationSuffocationCheck); // Paper
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}
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return true;
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}
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