[22959] in Kerberos
Re: Generic unknown RC/IO error while verifying initial ticket
daemon@ATHENA.MIT.EDU (Sam Hartman)
Wed Dec 1 09:07:20 2004
To: "Douglas E. Engert" <deengert@anl.gov>
From: Sam Hartman <hartmans@mit.edu>
Date: Wed, 01 Dec 2004 09:05:05 -0500
In-Reply-To: <41ADCA4F.3000407@anl.gov> (Douglas E. Engert's message of
"Wed, 01 Dec 2004 07:42:39 -0600")
Message-ID: <878y8iglm6.fsf@luminous.mit.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
cc: Jeremy Allison <jeremy.allison@hp.com>
cc: kerberos@mit.edu
Errors-To: kerberos-bounces@mit.edu
>>>>> "Douglas" == Douglas E Engert <deengert@anl.gov> writes:
Douglas> Sam Hartman wrote:
>>>>>>> "Jeremy" == Jeremy Allison <jeremy.allison@hp.com> writes:
Jeremy> Ok, I'm going to let off some steam here... :-) <rant mode
Jeremy> on> This is what drives me *nuts* about krb5 debugging for
Jeremy> customers. WHY DOESN'T THE ERROR MESSAGE GIVE SOME
Jeremy> DETAILS ABOUT WHAT IT IS TRYING TO DO ! For example, the
Jeremy> filename it was trying to open and what the error code was
Jeremy> ? </rant mode off>
>> Would you be interested in helping design a way to do this?
>> Heimdal allows an error string to be stored inside a context
>> and retrieved later. That gives you enough flexibility to
>> store the file name etc. The complexity is that we would need
>> to go through the code and find every place where we have an
>> error return and at least clear that string so the error
>> returned always corresponded to the string if it was set.
Douglas> Tag the string with the error code too, so only clear it
Douglas> if the error code to be reported to the user does not
Douglas> match the error with the message.
Yeah, that works. It means the user has to pass in both a context and
an error code to get the (possibly enhanced) error string.
I think having to pass in an eventually unnecessary error code is an
acceptable price to pay for reasonable error reporting from krb5.
--Sam
________________________________________________
Kerberos mailing list Kerberos@mit.edu
https://mailman.mit.edu/mailman/listinfo/kerberos
