Re: trouble with pkinit

Ken, Nico, thanks to both of you for following up.

On 4/17/26 7:24 PM, Nico Williams wrote:
> I'm assuming the KDC is Heimdal in both cases.  You can check my theory
> very easily by creating the client principal in the KDC: if that works
> then I'm right that MIT is looking before jumping.

That seems to be the case. If I add the principal explicitly to the KDC 
db, the pkinit completes fine with MIT's kinit. Without that, only the 
Heimdal kinit is able to pull a TGT for the (synthetic) principal.

The KDC log didn't show anything but that's probably my automation not 
configuring the logging properly. I'll take another look next week.

> Looking before jumping _is_ correct behavior, really, so I need to fix
> this in Heimdal by having unknown client principals be synthesized for
> the purposes of producing the KRB-ERROR MD/TD/PA that the client needs,
> showing only PKINIT as an option (well, and Luke's GSS pre-auth option,
> if enabled).  But please confirm first.

Confirmed. BTW, if you want me to test a Heimdal KDC patch, this is easy 
to repeat. (I'm still based on the "nico/synthetic-princs-in-hdb" branch 
in Heimdal, which you might want to merge to master at some point.)

Cheers,
Geoff

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