Kerberos PAC decoding support

Ken Hornstein kenh at cmf.nrl.navy.mil
Thu Aug 24 13:01:54 EDT 2023


>I am wondering if it is reasonable to request the MIT library to
>support PAC decoding (possibly in form of Named Attributes) so that the
>information there could be used in calling application, I.e.:
>
>https://github.com/gssapi/mod_auth_gssapi/issues/288#issuecomment-1690541858
>
>Is something like this reasonable? If yes, is this support planned in
>forthcoming releases of MIT Kerberos library?

I _think_ that's already there?  If you're using the GSSAPI you already
have support for named attribute retrieval, as detailed here:

	https://web.mit.edu/kerberos/krb5-devel/doc/appdev/gssapi.html

I know there is already extensive PAC decoding and validation in later
MIT Kerberos versions.  But I would caution you that like Simo mentioned
I think all you get is SIDs in the PAC and you have to do some more work
to turn that into something useful.

--Ken


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