How to provide facility to download & upload files to specific type of user in drupal 6 What i did:-

So , i am create one content type like "login_page", so in that i want to display title , description and file download &amp; display. This content type display on when user logged in instead of user page . And i have 2 types of user i.e Customer user &amp; guest user.

What i want:-
So now i want to display or download text file such as pdf or doc files facility to customer user &amp; display facility to guest user . This files are uploaded by the admin.

So for that any module is available or any solution nearly same to such situation. Please help me i am stuck on that.
Create two roles namely "customer" and "guest" (if you had not created yet). Now you can use field_permissions to give each role the  permission you want. Add permission to customer role to download it and guest to view it.