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https://github.com/PaperMC/Paper.git
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23236ef8aa
Fire an event when an illegal packet is received to let plugins handle it Lets plugins change the kick message and if it should kick or not.
72 lines
4.1 KiB
Diff
72 lines
4.1 KiB
Diff
From af7039820f33212e53e66eae30be55733bdb8197 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 23 Jun 2016 23:33:57 -0400
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Subject: [PATCH] IllegalPacketEvent
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Fired for invalid data from players that represents hacking attempts
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diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
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index c57ab1a9c..06f85c46f 100644
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--- a/src/main/java/net/minecraft/server/PlayerConnection.java
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+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
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@@ -56,6 +56,7 @@ import org.bukkit.inventory.CraftingInventory;
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import org.bukkit.inventory.EquipmentSlot;
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import org.bukkit.inventory.InventoryView;
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import org.bukkit.util.NumberConversions;
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+import com.destroystokyo.paper.event.player.IllegalPacketEvent; // Paper
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import co.aikar.timings.MinecraftTimings; // Paper
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// CraftBukkit end
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@@ -2225,8 +2226,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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CraftEventFactory.handleEditBookEvent(player, itemstack1); // CraftBukkit
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}
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} catch (Exception exception) {
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- PlayerConnection.LOGGER.error("Couldn\'t handle book info", exception);
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- this.disconnect("Invalid book data!"); // CraftBukkit
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+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookEdit", "Invalid book data!", exception); // Paper
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}
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} else {
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String s1;
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@@ -2268,8 +2268,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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CraftEventFactory.handleEditBookEvent(player, itemstack2); // CraftBukkit
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}
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} catch (Exception exception1) {
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- PlayerConnection.LOGGER.error("Couldn\'t sign book", exception1);
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- this.disconnect("Invalid book data!"); // CraftBukkit
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+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookSign", "Invalid book data!", exception1); // Paper
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}
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} else if ("MC|TrSel".equals(s)) {
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try {
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@@ -2280,8 +2279,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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((ContainerMerchant) container).d(j);
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}
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} catch (Exception exception2) {
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- PlayerConnection.LOGGER.error("Couldn\'t select trade", exception2);
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- this.disconnect("Invalid trade data!"); // CraftBukkit
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+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidTrade", "Invalid trade data!", exception2); // Paper
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}
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} else {
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TileEntity tileentity;
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@@ -2422,8 +2420,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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iinventory.update();
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}
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} catch (Exception exception5) {
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- PlayerConnection.LOGGER.error("Couldn\'t set beacon", exception5);
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- this.disconnect("Invalid beacon data!"); // CraftBukkit
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+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBeacon", "Invalid beacon data!", exception5); // Paper
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}
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}
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} else if ("MC|ItemName".equals(s)) {
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@@ -2522,7 +2519,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
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this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-2, k, this.player.inventory.getItem(k)));
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this.player.playerConnection.sendPacket(new PacketPlayOutHeldItemSlot(this.player.inventory.itemInHandIndex));
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} catch (Exception exception7) {
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- PlayerConnection.LOGGER.error("Couldn\'t pick item", exception7);
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+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidPickItem", "Invalid PickItem", exception7); // Paper
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}
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}
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// CraftBukkit start
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--
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2.11.0
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