CatServer/patches/net/minecraft/command/CommandHandler.java.patch

--- ../src-base/minecraft/net/minecraft/command/CommandHandler.java
+++ ../src-work/minecraft/net/minecraft/command/CommandHandler.java
@@ -3,6 +3,10 @@
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
+
+import luohuayu.CatServer.command.CraftSimpleCommandMap;
+import luohuayu.CatServer.command.ModCustomCommand;
+
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
@@ -14,6 +18,8 @@
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.text.TextComponentTranslation;
 import net.minecraft.util.text.TextFormatting;
+import net.minecraftforge.fml.common.FMLCommonHandler;
+
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -33,7 +39,7 @@
         }
 
         String[] astring = rawCommand.split(" ");
-        String s = astring[0];
+        String s = astring[0].toLowerCase();
         astring = dropFirstString(astring);
         ICommand icommand = (ICommand)this.commandMap.get(s);
         int i = this.getUsernameIndex(icommand, astring);
@@ -131,9 +137,21 @@
 
     public ICommand registerCommand(ICommand command)
     {
+        return registerCommand(command, command.getClass().getName());
+    }
+
+    public ICommand registerCommand(ICommand command, String permissionNode)
+    {
         this.commandMap.put(command.getCommandName(), command);
         this.commandSet.add(command);
 
+        // register vanilla commands with Bukkit to support permissions.
+        CraftSimpleCommandMap cbCommandMap = FMLCommonHandler.instance().getMinecraftServerInstance().server.getCraftCommandMap();
+        ModCustomCommand customCommand = new ModCustomCommand(command);
+        customCommand.setPermission(permissionNode);
+        if (command.getCommandAliases() != null) customCommand.setAliases(command.getCommandAliases());
+        cbCommandMap.register(command.getCommandName(), customCommand);
+
         for (String s : command.getCommandAliases())
         {
             ICommand icommand = (ICommand)this.commandMap.get(s);