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3c0d6aaed9
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: 0c7aedbc SPIGOT-7554, PR-954: Add DecoratedPotInventory CraftBukkit Changes: 53ebb05e3 SPIGOT-7554, PR-1323: Add DecoratedPotInventory 33a2d8773 Ensure that PlayerMoveEvent is always fired where applicable 7df18510f SPIGOT-7555: Don't cast ItemFlags to byte 19aec59ea Use provided case for non-existent OfflinePlayers Spigot Changes: e7ce55a3 Remove obsolete PlayerMoveEvent improvements 3e5e22c0 Remove obsolete lowercasing of non existent OfflinePlayer names
25 lines
1.6 KiB
Diff
25 lines
1.6 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: Sat, 7 May 2022 14:58:53 -0700
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Subject: [PATCH] Do not accept invalid client settings
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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 faf16948a6336ba62a080ce0a28167cd57625502..d0895945970cf562dabe6adcc8f843fcef49ffda 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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@@ -3318,6 +3318,13 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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@Override
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public void handleClientInformation(ServerboundClientInformationPacket packet) {
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PacketUtils.ensureRunningOnSameThread(packet, this, this.player.serverLevel());
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+ // Paper start - do not accept invalid information
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+ if (packet.information().viewDistance() < 0) {
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+ LOGGER.warn("Disconnecting " + this.player.getScoreboardName() + " for invalid view distance: " + packet.information().viewDistance());
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+ this.disconnect("Invalid client settings", org.bukkit.event.player.PlayerKickEvent.Cause.ILLEGAL_ACTION);
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+ return;
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+ }
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+ // Paper end - do not accept invalid information
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this.player.updateOptions(packet.information());
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this.connection.channel.attr(io.papermc.paper.adventure.PaperAdventure.LOCALE_ATTRIBUTE).set(net.kyori.adventure.translation.Translator.parseLocale(packet.information().language())); // Paper
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}
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