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Re: GSS-APIv3 sketch

Nicolas Williams <Nicolas.Williams@sun.com> Wed, 11 November 2009 23:23 UTC

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Date: Wed, 11 Nov 2009 17:04:42 -0600
From: Nicolas Williams <Nicolas.Williams@sun.com>
To: Volker Lendecke <Volker.Lendecke@SerNet.DE>
Subject: Re: GSS-APIv3 sketch
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References: <20091111181140.GC10501@Sun.COM> <C111F570-A844-4782-B561-08B6685D7E09@apple.com> <20091111184244.GN1105@Sun.COM> <20091111184726.GD10501@Sun.COM> <1257980366.2759.41.camel@naomi.s4.naomi.abartlet.net> <E1N8MHF-004jYm-T7@intern.SerNet.DE>
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Cc: "kitten@ietf.org" <kitten@ietf.org>, vl <vl@samba.org>, Love Hörnquist Åstrand <lha@apple.com>
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On Thu, Nov 12, 2009 at 12:08:50AM +0100, Volker Lendecke wrote:
> > I'm hoping that Volker or Metze (CC'ed async experts on the Samba Team)
> > can fill out some more detail, but I'll start by nothing that anything
> > that requires threads, or causes the library to start threads is a
> > non-starter for Samba.  
> > 
> > Creating threads behind the applications' back is a really bad idea. 
> > 
> > We really need a proper state machine, with integration available into
> > our event library (or any other the event library the caller
> > provides).  
> > 
> > As to portability, if no event lib is provided by the caller, then just
> > block like GSSAPI does at the moment.  
> 
> Just to confirm: Samba and probably other applications
> really need an async gensec without threads. I've very
> recently seen a talk by a SUN engineer talking about doing
> threads behind an app's back. This really, really nasty
> stuff.

I'd like to hear more about this.  Can you please describe the problem
with libraries creating worker threads?  You can use private e-mail if
you wish.  References to bug reports would be great.

Nico
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