[email protected] wrote:
> I'm looking to better understand the relationship in packet ordering when it 
> comes to bind requests. As far as I've learned so far I can send a few ldap 
> requests and potentially get responses in an order that doesn't match what 
> i've sent.
> 
> When it comes to, for example, sending a bind, a search, a bind (different 
> user), and a search, when I send those serially without waiting for a 
> response, are there any guarantees around getting successful bind responses 
> before search results? Is it guaranteed that I would get a bind result from 
> the second bind before search results from the second search? Is it 
> guaranteed the second bind result would come after the end of the first 
> search results, or might I receive the second bind result before the end of 
> the first set of search results (or even in the middle of the second set of 
> search results)?
> 
> Then when it comes to server side processing, is it guaranteed that the first 
> search is executed with the authorization of the first bind, and second 
> search executed with the authorization of the second bind? Or is there a way 
> the second search is processed before the second bind?
> 
> How does openldap manage changing authorization in the middle of an executing 
> search? If the first search is in flight and the second bind request comes 
> in, does the first search continue to execute and finish with the 
> authorization of the first bind?

No. RFC 4511 section 4.2 is explicit about this.
> 
> Are you aware of clients or tools that leverage that multi request (without 
> waiting for a response) capacity of ldap? In what types of applications might 
> a client send many requests without waiting for any responses?

Badly written applications that ignore the RFCs.
> 
> Thanks for the consideration
> Tom
> 


-- 
  -- Howard Chu
  CTO, Symas Corp.           http://www.symas.com
  Director, Highland Sun     http://highlandsun.com/hyc/
  Chief Architect, OpenLDAP  http://www.openldap.org/project/

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