From: Bill Studenmund (wrstudennetbsd.org)
Date: Wed Sep 10 2003 - 22:40:14 CDT

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On Wed, 10 Sep 2003, Jun-ichiro itojun Hagino wrote:

> what exactly does AFS require from authentication code? if someone
> could give me pointer i would be grateful.

As Johan noted, AFS uses Kerberos.

The problem isn't that AFS uses Kerberos, the problem is that it extends
the concept of ucred to include in-kernel Kerberos credentials. It does
that so that the file system can use said Kerberos credentials when
talking to the file server(s).

Setting up that in-kernerl Kerberos cache requires a system call (or more,
I'm not familiar with the exact innards of it).

Take care,

Bill

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