Fix severe NEI exploit.

Signed-off-by: Ross Allan <rallanpcl@gmail.com>

resources/patches-deobfuscated.xml

@@ -1822,4 +1822,14 @@
 			<replaceMethodCall code="{}" method="println">onCrafting</replaceMethodCall>
 		</class>
 	</xReliquary>
+	<notEnoughItems>
+		<class id="codechicken.nei.NEISPH">
+			<insertBefore code="{
+				if ($1.getType() != 10 &amp;&amp; !$3.^method:EntityPlayerMP/canCommandSenderUseCommand^(4, &quot;give&quot;)) {
+					Redirects.notifyAdmins(&quot;Modified NotEnoughItems. Probably duping and/or in creative mode. Packet type &quot; + $1.getType());
+					return;
+				}
+			}">handlePacket</insertBefore>
+		</class>
+	</notEnoughItems>
 </mods>

src/common/nallar/tickthreading/global/Redirects.java

@@ -21,11 +21,21 @@
 public class Redirects {
 	private static final int FML_HASH = Hashing.murmur3_32().hashString("FML").asInt();
 
+	public static void exploitNotify(String message, EntityPlayerMP entityPlayerMP) {
+		String fullMessage = entityPlayerMP + " attempted to use an exploit: " + message;
+		Log.severe(fullMessage);
+		sendToAdmins(fullMessage);
+	}
+
 	public static void notifyAdmins(String message) {
 		if (!TickThreading.instance.antiCheatNotify) {
 			return;
 		}
 		Log.warning("Admin notify: " + message);
+		sendToAdmins(message);
+	}
+
+	private static void sendToAdmins(String message) {
 		ServerConfigurationManager serverConfigurationManager = MinecraftServer.getServer().getConfigurationManager();
 		serverConfigurationManager.playerUpdateLock.lock();
 		try {

src/common/nallar/tickthreading/patcher/ClassRegistry.java

@@ -63,6 +63,7 @@ public class ClassRegistry {
 		classes.importPackage("java.util");
 		classes.importPackage("java.io");
 		classes.importPackage("nallar.tickthreading");
+		classes.importPackage("nallar.tickthreading.global");
 		classes.importPackage("nallar.collections");
 	}