Re: Use of kdc_send_hook with gss_init_sec_context

On Fri, Feb 4, 2022 at 8:34 PM Greg Hudson <[email protected]> wrote:
>
> On 2/4/22 11:57 AM, Isaac Boukris wrote:
> >>> Is there a way to use 'kdc_send_hook' with 'gss_init_sec_context'?
> >>> If there isn't, can we add something like 'gsskrb5_set_krb5_context'?
>
> I've floated this idea before, as a way to bridge libkrb5 functionality
> (such as krb5_init_context_profile()) and GSS.
>
> Nico dislikes the idea because he doesn't like anything that encourages
> mechanism-specific code in GSS applications.  He tends to favor name
> attributes as the extension point when possible.
>
> Sam has raised a more specific objection: if the context set by
> gsskrb5_set_krb5_context() is per-thread (which is the easiest way to
> get around contexts not being thread-safe), then it could be a source of
> subtle bugs if someone creates a GSS object in one thread and gets
> different behavior when they use it in another thread.

Also typically the krb5 specifics are set via krb5.conf, so maybe we
can do the same for kdc_send_hook, by specifying an so file the the
conf.
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