[krbdev.mit.edu #1445] GSSAPI can fail to generate error in GSS_C_NO_CREDENTIAL case

[Nicolas Williams via RT]

Which brings us back to a discussion we had at Cthon03: why not always
decode the ap-req and use krb5_rd_req_dec() instead of krb5_rd_req().

IIRC you did not like having the decoding API exposed, so I suggested an
API for querying encoded AP-REQs.  It would also be nice to have an
exposed API to query DER encoded objects for their tag and length.

Cheers,

Nico

On Tue, Apr 29, 2003 at 04:23:24PM -0400, Sam Hartman via RT wrote:
> 
> 
> Nico points out that in accept_sec_context, cred->princ is used as the
> server component of the call to krb5_mk_error.
> 
> 
> This is problematic because sname and srealm are required fields and
> cred->princ can be null in the gss_c_no_credential case.
> 
> 
> I believe that if cred->princ is null you can get the principal out of
> the decoded ap_req.
> 
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