tryChangeClientName, LidgrenHandleConnection, handlePendingClient hooks and some other things

Barotrauma/BarotraumaServer/ServerSource/Networking/GameServer.cs

@@ -2701,6 +2701,15 @@ namespace Barotrauma.Networking
             c.NameID = nameId;
             newName = Client.SanitizeName(newName);
             if (newName == c.Name && newJob == c.PreferredJob && newTeam == c.PreferredTeam) { return false; }
+
+            var result = new LuaResult(GameMain.Lua.hook.Call("tryChangeClientName", c, newName, newJob, newTeam));
+
+            if (!result.IsNull())
+            {
+                LastClientListUpdateID++;
+                return result.Bool();
+            }
+
             c.PreferredJob = newJob;
             c.PreferredTeam = newTeam;
 

Barotrauma/BarotraumaServer/ServerSource/Networking/Primitives/Peers/Server/LidgrenServerPeer.cs

@@ -181,13 +181,22 @@ namespace Barotrauma.Networking
         private void HandleConnection(NetIncomingMessage inc)
         {
             if (netServer == null) { return; }
-            
+
+            var result = new LuaResult(GameMain.Lua.hook.Call("LidgrenHandleConnection", inc));
+            if (!result.IsNull())
+                if (result.Bool())
+                    goto ignore;
+                else
+                    return;
+
             if (connectedClients.Count >= serverSettings.MaxPlayers)
             {
                 inc.SenderConnection.Deny(DisconnectReason.ServerFull.ToString());
                 return;
             }
 
+            ignore:
+
             if (serverSettings.BanList.IsBanned(inc.SenderConnection.RemoteEndPoint.Address, 0, 0, out string banReason))
             {
                 //IP banned: deny immediately

Barotrauma/BarotraumaServer/ServerSource/Networking/Primitives/Peers/Server/ServerPeer.cs

@@ -30,7 +30,7 @@ namespace Barotrauma.Networking
         public abstract void Close(string msg = null);
         public abstract void Update(float deltaTime);
 
-        protected class PendingClient
+        public class PendingClient
         {
             public string Name;
             public int OwnerKey;
@@ -206,6 +206,11 @@ namespace Barotrauma.Networking
 
         protected void UpdatePendingClient(PendingClient pendingClient)
         {
+            var result = new LuaResult(GameMain.Lua.hook.Call("handlePendingClient", pendingClient));
+
+            if (result.Bool())
+                goto ignore;
+
             if (IsPendingClientBanned(pendingClient, out string banReason))
             {
                 RemovePendingClient(pendingClient, DisconnectReason.Banned, banReason);
@@ -217,6 +222,8 @@ namespace Barotrauma.Networking
                 RemovePendingClient(pendingClient, DisconnectReason.ServerFull, "");
             }
 
+            ignore:
+
             if (pendingClient.InitializationStep == ConnectionInitialization.Success)
             {
                 NetworkConnection newConnection = pendingClient.Connection;
@@ -276,7 +283,7 @@ namespace Barotrauma.Networking
 
         protected virtual void CheckOwnership(PendingClient pendingClient) { }
 
-        protected void RemovePendingClient(PendingClient pendingClient, DisconnectReason reason, string msg)
+        public void RemovePendingClient(PendingClient pendingClient, DisconnectReason reason, string msg)
         {
             if (pendingClients.Contains(pendingClient))
             {