login crash bug

src/engine/server/login/LoginServerMsgHandler.java

@@ -30,6 +30,7 @@ import engine.server.MBServerStatics;
 import engine.session.CSSession;
 import engine.session.Session;
 import engine.util.ByteUtils;
+import engine.util.MiscUtils;
 import engine.util.StringUtils;
 import org.pmw.tinylog.Logger;
 
@@ -343,12 +344,40 @@ public class LoginServerMsgHandler implements NetMsgHandler {
                 this.sendCharacterSelectScreen(session);
                 return;
             }
+            String firstName = commitNewCharacterMessage.getFirstName().trim();
+            String lastName = commitNewCharacterMessage.getLastName().trim();
 
+            if (firstName.length() < 3) {
+                LoginServerMsgHandler.sendInvalidNameMsg(firstName, lastName, MBServerStatics.INVALIDNAME_FIRSTNAME_MUST_BE_LONGER,
+                        clientConnection);
+                return;
+            }
+
+            // Ensure names are below required length
+            if (firstName.length() > 15 || lastName.length() > 15) {
+                LoginServerMsgHandler.sendInvalidNameMsg(firstName, lastName, MBServerStatics.INVALIDNAME_FIRSTANDLAST_MUST_BE_SHORTER,
+                        clientConnection);
+                return;
+            }
+
+            // Check if firstname is valid
+            if (MiscUtils.checkIfFirstNameInvalid(firstName)) {
+                LoginServerMsgHandler.sendInvalidNameMsg(firstName, lastName, MBServerStatics.INVALIDNAME_PLEASE_CHOOSE_ANOTHER_FIRSTNAME,
+                        clientConnection);
+                return;
+            }
+
+            // Check if last name is valid
+            if (MiscUtils.checkIfLastNameInvalid(lastName)) {
+                LoginServerMsgHandler.sendInvalidNameMsg(firstName, lastName, MBServerStatics.INVALIDNAME_LASTNAME_UNAVAILABLE,
+                        clientConnection);
+                return;
+            }
             PlayerCharacter pc = PlayerCharacter.generatePCFromCommitNewCharacterMsg(session.getAccount(), commitNewCharacterMessage, clientConnection);
 
             if (pc == null) {
                 Logger.info("Player returned null while creating character.");
-                //this.sendCharacterSelectScreen(session, true);
+                this.sendCharacterSelectScreen(session, true);
                 return;
             }
             PlayerCharacter.initializePlayer(pc);