[Samba] Asynchronous Communications

Andrew Bartlett abartlet at samba.org
Fri Jan 26 09:48:48 GMT 2007

On Fri, 2007-01-26 at 10:33 +0100, Volker Lendecke wrote:
> On Fri, Jan 26, 2007 at 02:47:36PM +1100, Andrew Bartlett wrote:
> > Samba4 has a demonstration of parallel sid2name and name2sid operations
> > in the RPC-LSA torture test.  However, parallel authentication isn't
> > possible, due to limitations on the windows server side (it dumps the
> > connection...).
> Pure cifs auths should be easy, it's the samlogon ones that
> are restricted. 

Yes, I should have made this clear.  We found that the Netlogon pipe
doesn't like async.  You could use multiple Netlogon pipes, and the
SamLogonEx call (other calls have nasty shared state in the form of the

> And I think I remember that lda over
> ncacn_np is not async either, so you would have to use
> multiple cifs connections. But with the Samba4 async model
> this is no problem.

I'm pretty sure our tests show this worked, but it should be very easy
to check.  Multiple pipes do make this part easy, in any case.

Andrew Bartlett

Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Red Hat Inc.                  http://redhat.com

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