Paper/Spigot-Server-Patches/0185-IllegalPacketEvent.patch

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2017-09-19 04:01:43 +02:00
From 5bea86c4a8652cb0ced1c338dae4141495bd9370 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 23 Jun 2016 23:33:57 -0400
Subject: [PATCH] IllegalPacketEvent
Fired for invalid data from players that represents hacking attempts
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 98a63dc0e..f82a81178 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -56,6 +56,7 @@ import org.bukkit.inventory.CraftingInventory;
import org.bukkit.inventory.EquipmentSlot;
import org.bukkit.inventory.InventoryView;
import org.bukkit.util.NumberConversions;
+import com.destroystokyo.paper.event.player.IllegalPacketEvent; // Paper
import co.aikar.timings.MinecraftTimings; // Paper
// CraftBukkit end
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@@ -2282,8 +2283,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
CraftEventFactory.handleEditBookEvent(player, itemstack1); // CraftBukkit
}
} catch (Exception exception) {
- PlayerConnection.LOGGER.error("Couldn\'t handle book info", exception);
- this.disconnect("Invalid book data!"); // CraftBukkit
+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookEdit", "Invalid book data!", exception); // Paper
}
} else {
String s1;
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@@ -2332,8 +2332,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
CraftEventFactory.handleEditBookEvent(player, itemstack2); // CraftBukkit
}
} catch (Exception exception1) {
- PlayerConnection.LOGGER.error("Couldn\'t sign book", exception1);
- this.disconnect("Invalid book data!"); // CraftBukkit
+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBookSign", "Invalid book data!", exception1); // Paper
}
} else if ("MC|TrSel".equals(s)) {
try {
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@@ -2344,8 +2343,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
((ContainerMerchant) container).d(j);
}
} catch (Exception exception2) {
- PlayerConnection.LOGGER.error("Couldn\'t select trade", exception2);
- this.disconnect("Invalid trade data!"); // CraftBukkit
+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidTrade", "Invalid trade data!", exception2); // Paper
}
} else {
TileEntity tileentity;
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@@ -2486,8 +2484,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
iinventory.update();
}
} catch (Exception exception5) {
- PlayerConnection.LOGGER.error("Couldn\'t set beacon", exception5);
- this.disconnect("Invalid beacon data!"); // CraftBukkit
+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidBeacon", "Invalid beacon data!", exception5); // Paper
}
}
} else if ("MC|ItemName".equals(s)) {
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@@ -2586,8 +2583,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
this.player.playerConnection.sendPacket(new PacketPlayOutSetSlot(-2, k, this.player.inventory.getItem(k)));
this.player.playerConnection.sendPacket(new PacketPlayOutHeldItemSlot(this.player.inventory.itemInHandIndex));
} catch (Exception exception7) {
- PlayerConnection.LOGGER.error("Couldn\'t pick item", exception7);
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- this.disconnect("Invalid pick item!"); // CraftBukkit
+ IllegalPacketEvent.process(player.getBukkitEntity(), "InvalidPickItem", "Invalid PickItem", exception7); // Paper
}
}
// CraftBukkit start
--
2.14.1