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Record invalid ItemInHandIndex packet

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This commit is contained in:
Erik Broes 2011-03-09 18:23:20 +01:00
parent f056fad765
commit 454da93a00
1 changed files with 10 additions and 0 deletions
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10
src/main/java/net/minecraft/server/NetServerHandler.java
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@ -549,6 +549,16 @@ public class NetServerHandler extends NetHandler implements ICommandListener {
} }
public void a(Packet16BlockItemSwitch packet16blockitemswitch) { public void a(Packet16BlockItemSwitch packet16blockitemswitch) {
if (packet16blockitemswitch.a < 0 || packet16blockitemswitch.a > 8) {
server.getLogger().severe(
"Player " + getPlayer().getName() + "/" + getPlayer().getAddress().toString() +
" just send an invalid ItemInHandIndex: " + packet16blockitemswitch.a +
" - very likely a crashing exploit attempt. Recommend ban, and sending a package of joy their way."
);
this.d.f.a(new Packet1Login("", "", 0, 0, (byte)0));
return;
}
// CraftBukkit start // CraftBukkit start
PlayerItemHeldEvent event = new PlayerItemHeldEvent(Type.PLAYER_ITEM_HELD, getPlayer(), e.inventory.c, packet16blockitemswitch.a); PlayerItemHeldEvent event = new PlayerItemHeldEvent(Type.PLAYER_ITEM_HELD, getPlayer(), e.inventory.c, packet16blockitemswitch.a);
server.getPluginManager().callEvent(event); server.getPluginManager().callEvent(event);