Attempting a work around for DNS host resolution. There will now be a configuration parameter that will enable the check. This is expensive, and not recommended, but a better reserved slot system will be done in the future.

Closes #254

TShockAPI/ConfigFile.cs

@@ -94,6 +94,8 @@ namespace TShockAPI
         public string HardcoreBanReason = "Death results in a ban";
         public string HardcoreKickReason = "Death results in a kick";
 
+        public bool EnableDNSHostResolution = false;
+
         public static ConfigFile Read(string path)
         {
             if (!File.Exists(path))

TShockAPI/DB/UserManager.cs

@@ -222,6 +222,36 @@ namespace TShockAPI.DB
             }
             return Tools.GetGroup("default");
         }
+
+        public Group GetGroupForIPExpensive(string ip)
+        {
+            try
+            {
+                using (var com = database.CreateCommand())
+                {
+                    com.CommandText = "SELECT * FROM Users";
+
+                    using (var reader = com.ExecuteReader())
+                    {
+                        while(reader.Read())
+                        {
+                            if (Tools.GetIPv4Address(reader.Get<string>("IP")) == ip)
+                            {
+                                string group = reader.Get<string>("UserGroup");
+                                return Tools.GetGroup(group);
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.ConsoleError("GetGroupForIP SQL returned an error: " + ex.ToString());
+            }
+            return Tools.GetGroup("default");
+        }
+
+
         public User GetUserByName(string name)
         {
             try

TShockAPI/TShock.cs

@@ -49,7 +49,7 @@ namespace TShockAPI
     public class TShock : TerrariaPlugin
     {
         public static readonly Version VersionNum = Assembly.GetExecutingAssembly().GetName().Version;
-        public static readonly string VersionCodename = "The Deathly Database Part 2";
+        public static readonly string VersionCodename = "Codename: Re";
 
         public static string SavePath = "tshock";
 
@@ -376,8 +376,13 @@ namespace TShockAPI
         private void OnJoin(int ply, HandledEventArgs handler)
         {
             var player = new TSPlayer(ply);
-
+            if (Config.EnableDNSHostResolution)
+            {
+                player.Group = TShock.Users.GetGroupForIPExpensive(player.IP);
+            } else
+            {
                 player.Group = TShock.Users.GetGroupForIP(player.IP);
+            }
 
             if (Tools.ActivePlayers() + 1 > TShock.Config.MaxSlots && !player.Group.HasPermission("reservedslot"))
             {