Paper/Spigot-Server-Patches/0447-Restrict-vanilla-teleport-command-to-valid-locations.patch
Josh Roy b31089a929
Updated Upstream (Bukkit/CraftBukkit/Spigot) (#5325)
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:
d264e972 #591: Add option for a consumer before spawning an item
1c537fce #590: Add spawn and transform reasons for piglin zombification.

CraftBukkit Changes:
ee5006d1 #810: Add option for a consumer before spawning an item
f6a39d3c #809: Add spawn and transform reasons for piglin zombification.
0c24068a Organise imports

Spigot Changes:
bff52619 Organise imports
2021-03-08 15:12:31 -08:00

25 lines
1.5 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Zach Brown <zach@zachbr.io>
Date: Thu, 16 Apr 2020 20:07:29 -0500
Subject: [PATCH] Restrict vanilla teleport command to valid locations
Fixes GH-3165, GH-3575
diff --git a/src/main/java/net/minecraft/server/CommandTeleport.java b/src/main/java/net/minecraft/server/CommandTeleport.java
index 660704394da82c56b11958664d938ebcc6e23be4..57a23dd7a1196402ddc58e7491ac9ada97f402a4 100644
--- a/src/main/java/net/minecraft/server/CommandTeleport.java
+++ b/src/main/java/net/minecraft/server/CommandTeleport.java
@@ -120,6 +120,12 @@ public class CommandTeleport {
private static void a(CommandListenerWrapper commandlistenerwrapper, Entity entity, WorldServer worldserver, double d0, double d1, double d2, Set<PacketPlayOutPosition.EnumPlayerTeleportFlags> set, float f, float f1, @Nullable CommandTeleport.a commandteleport_a) throws CommandSyntaxException {
BlockPosition blockposition = new BlockPosition(d0, d1, d2);
+ // Paper start - Don't allow teleport command to invalid locations
+ if (d0 <= -30000000 || d2 <= -30000000 || d0 > 30000000 || d2 > 30000000 || d1 > 30000000 || d1 <= -30000000) { // Copy/pasta from BaseBlockPosition#isValidLocation
+ org.bukkit.Bukkit.getLogger().warning("Refused to teleport " + entity.getName() + " to " + d0 + ", " + d1 + ", " + d2);
+ return;
+ }
+ // Paper end
if (!World.l(blockposition)) {
throw CommandTeleport.a.create();