>> How do I do this via a message-passing interface?
>
>Well, first you fix the API.  Probably this means adding a new set of
>system calls and proc-level data structures, and then fixing whatever in
>the other side of the AFS implementation makes use of these data.

Unfortunately, some of us live in the real world.  If the solution is to
re-write half of AFS, or simply use PAM, which one do you think I would
pick?  (I already know what YOU would pick, so you don't need to tell me).

--Ken