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From Emmanuel Lécharny <>
Subject Re: Kerby client library refactoring
Date Tue, 24 Nov 2015 08:33:10 GMT
Le 24/11/15 06:59, Zheng, Kai a écrit :
> There are good feedbacks from Steve recently. Based on discussions with him and Emmanuel,
I assembled below thoughts.
> KrbClient and its relatives like KrbOption would be broken down according to supported
mechanisms and functionalities.
> Eventually we would have these client side APIs for applications to use.
> == KrbClient ==
> Focus on classical Kerberos protocol, allowing to request/update tickets to KDC using
password, keytab, credential cache and etc.
> == KrbPkinitClient ==
> Support PKINIT mechanism, allowing to request tickets to KDC using anonymous and x509
> == KrbTokenClient ==
> Support standard JWT token, allowing to request tickets to KDC using JWT token.
> == KrbPwChange ==
> Change passwd client, interacting with KDC using the change password protocol.
> == KrbAdmin ==
> KDC admin utilities compatible with MIT kadmin tool in either local or remote mode. In
remote mode interacting  with KDC, though no spec standardizing that.
> Note there're already keytab and credential cache utilities.
> All these components will define their own options with good specific descriptions;
> For the components that use configurations, krb5.conf is default format;
> For the components that interacts with KDC side servers, common network and message support
will be used;
> All will provide both intuitive functions and advanced function that supports directly
calling into the underlying layer.
> These library APIs can be used to write tools like kinit, or embedded in applications.
> It would be good to provide corresponding server side components or supports, but not
mandatory. Better to have at least for easier tests.
> When sounds good, we can break this down into smaller tasks and get the major work done
before the 1.0.0 formal release.

If those elements are going to be Enum, keep in mind that you can
inherit from another enum. So if you have common elements, feel free to
put them in a parent Enum.

Otherwise, sounds a good idea.

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