memory leaks fixing

conexion.cpp

@@ -56,7 +56,6 @@ void conexion::start_server(){
       int client = accept(sock, (struct sockaddr*)&addr, &len);
       std::thread t_client(conexion_client , client);
       t_client.detach();
-      //cont++;
   }
   close(sock);
 }
@@ -70,8 +69,13 @@ void conexion_client(int client){
       exit(EXIT_FAILURE);
   }else{
       session_manager* session = new session_manager(client);
-      while(!session->validate_pass());
-      session->start_dialog();
+      bool enter=session->validate_pass();
+      while(!enter){
+          enter=session->validate_pass();
+        }
+      if(enter){
+         session->start_dialog();
+        }
       delete (session);
       close(client);
   }