[Typo3-dev] S: Sponsoring Windows authentification in TYPO3

[Juergen Egeling]

Hallo,
for one client we are looking for the following solution:
Situation: The client has a windows network and Windows
directory services installed. He now wants that the TYPO3
users get authenticated thru the windows directory as well.
(TYPO3 will run in a linux box, samba authentification might
be an option, if this helps.)
We need the authentification on the frontend and on the
backend as well.
On the frontend the user should get notified (logged in), and 
see "his" view of the FE system, he can e.g. change his user
data, ...
On the backend users should get authenticated and than be able
to behave as a BE user, that belongs to a certain group.
I found LDAP authentification, but our client wants it to
be implemented in the way, that logged in Windows users, do not 
have to authenticate again. The (new) TYPO3 authentification
process should notice this automatically.
*Plus* he wants a "logout" button, where the user can login
under a different TYPO3 user. (This is want does not go to my
brain, because I think either he is logged in under windows and
gets automatically authenticated, *or* he has to login in
TYPO3 and can change his user-id, ...)
We are willing to sponsor existing(?) implementations to a certain
amount. Please write any ideas you might have. The time frame
is tight, we need a decision soon, or the clients drops to
something else,...

Juergen
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