[OpenAFS] getting openafs tokens

Jeffrey Altman jaltman@secure-endpoints.com
Mon, 20 Nov 2006 20:26:19 -0500


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David:

The OpenAFS Integrated Logon Network Provider obtains Kerberos 5
service tickets and sets AFS tokens for the user session when KFW
is installed.  (see the release notes.)  You would have to explain
further what you mean by deadlocking with XXXX in order for anyone
to be able to help you.  This explanation should include debugging
log output for the network provider demonstrating how the network
provider is failing.

In addition, KFW's ticket managers support the importation of
credentials from the MSLSA and the automatic acquisition of AFS
tokens from arbitrary numbers of cells with or without cross-realm.
You should experiment with OpenAFS 1.5.11 and KFW 3.1.

If you don't want to rely on cross realm for this, you can add
an afs/asu.edu@AD.ASU.EDU (fix your domain and cell names) principal
to AD that is configured to "Use DES only", product a keytab for it
with KTPASS, and import the key into the AFS cell's KeyFile with
asetkey.   You can support keys from different realm/domains in the
same KeyFile provided that they have different kvno values.
I suspect you already have both realm names in your AFS krb.conf file.

Jeffrey Altman

David Bear wrote:
> I would like to have our windows machines that are joined to our
> Active Directory get afs tokens automagically. 
> 
> I know there is a feature that we can check to have openafs get tokens
> at user logon. But our experience suggests that creates a deadlock
> when the checkpoint secure remote software is installed. I would like
> to avoid throwing another 'authentication module' onto the standard
> microsoft authentication if that makes any sense.
> 
> Is it possible to run something like aklog in windows (in the
> background) that would grab a kerb ticket from our microsoft Active
> Directory, and turn it into an openafs token?
> 
> What additional pieces of software would we need to to make this
> happen? Would we need KfW? 
> 
> One other item. Our MIT Krb5 infrastructure that handles afs, is
> separate from our active directory realm. I don't know what kind of
> cross realm trust exists. 
> 
> Are there any whitepapers on setting this up?
> 

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