I am looking to extend a current ASP based solution with an open source CMS. Drupal looks like it will work great, however I'm still struggling to find the following requirements:

- Querystring based session keys will need to be passed from the current system to Drupal for seamless logins. (no cookies, can drupal be used on non-cookie accepting machines?)

- User permissions must allow for completely seperate experiences (areas) (ie. each "group" will get their own "website" that other users can't see)

Can anyone point me to an answer for these? In the meantime I'll keep looking.

Thanks!

Jon S.