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Improve invalid container event patch (#37)

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Allink 2022-07-10 07:19:19 +01:00 committed by GitHub
parent b30b7223e5
commit 3ea91b9dbc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 18 deletions
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patches/server/0035-Prevent-invalid-container-events.patch
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@ -5,7 +5,7 @@ Subject: [PATCH] Prevent invalid container events
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c73aa79e6 100644 index b0bd0412010320cc624535d6abffe417a135a4dc..0d8d28a324b4bf093d7318be71eb67bb0dad9429 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java --- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java +++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -24,6 +24,8 @@ import java.util.function.UnaryOperator; @@ -24,6 +24,8 @@ import java.util.function.UnaryOperator;
@ -17,12 +17,14 @@ index b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c
import net.minecraft.ChatFormatting; import net.minecraft.ChatFormatting;
import net.minecraft.CrashReport; import net.minecraft.CrashReport;
import net.minecraft.CrashReportCategory; import net.minecraft.CrashReportCategory;
@@ -2836,6 +2838,17 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser @@ -2642,6 +2644,19 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
} public void handleContainerClick(ServerboundContainerClickPacket packet) {
PacketUtils.ensureRunningOnSameThread(packet, this, this.player.getLevel());
if (packet.getClickType() != net.minecraft.world.inventory.ClickType.QUICK_CRAFT) { if (this.player.isImmobile()) return; // CraftBukkit
+
+ // Scissors start - Do not call events when the slot/button number is invalid + // Scissors start - Do not call events when the slot/button number is invalid
+ if(packet.getSlotNum() > 45) + final int sentSlotNum = packet.getSlotNum();
+ if(Mth.clamp(sentSlotNum, 0, 45) != sentSlotNum)
+ { + {
+ this.getCraftPlayer().kick( + this.getCraftPlayer().kick(
+ net.kyori.adventure.text.Component.text("Invalid container click slot (Hacking?)") + net.kyori.adventure.text.Component.text("Invalid container click slot (Hacking?)")
@ -32,6 +34,6 @@ index b0bd0412010320cc624535d6abffe417a135a4dc..e8157a809ed2b018dfd155e8bc712a8c
+ } + }
+ // Scissors end + // Scissors end
+ +
if (click == ClickType.NUMBER_KEY) { this.player.resetLastActionTime();
event = new InventoryClickEvent(inventory, type, packet.getSlotNum(), click, action, packet.getButtonNum()); if (this.player.containerMenu.containerId == packet.getContainerId() && this.player.containerMenu.stillValid(this.player)) { // CraftBukkit
} else { boolean cancelled = this.player.isSpectator(); // CraftBukkit - see below if