Authenticating a *specific* user

FROM : Buzz Andersen
DATE : Sun Nov 10 23:02:05 2002

All,
Forgive me if this has been discussed here before, but I can't find
anything that seems to be pertinent in the archives.  I am able to use
the Security Framework to authenticate a user as an administrator (i.e.
whether they are in the admin group), but I can't seem to find a way to
authenticate a person as a *specific* user.  Reading the documentation,
it looks like the Security Framework may support this at some point in
the future, but none of the functionality is currently implemented
(then again, the OS X screen saver seems to do exactly this, so maybe
it is there and I'm misunderstanding?).

Does anyone know what would be the least "hacky" way that I could
accomplish this?  I guess my current thinking is that I'm going to have
to either use a lower-level system call or wrap a command-line utility
using NSTask (although I don't have specifics on either of these
options yet, so I would welcome input from more knowledgeable UNIX
developers than myself).  All I'm really looking for is *something*
that I could pass a username and a password, and have it confirm
whether the combination is correct--this is purely for
"self-regulating" purposes, so I don't need additional privileges or
anything like that.

As usual, I sincerely appreciate everyone's help!

--
Buzz Andersen
email: <email_removed>
web: http://www.scifihifi.com
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