Re: ldap_sasl_bind vs. ldap_sasl_interactive_bind_s

[Thilko Richter <thilko.richter@googlemail.com>]

Thx a lot!

On Fri, Mar 19, 2010 at 8:14 PM,  <masarati@aero.polimi.it> wrote:
>> On Fri, Mar 19, 2010 at 1:27 PM,  <masarati@aero.polimi.it> wrote:
>>>> Hi,
>>>>
>>>> I am still trying to make an sasl bind. Now I use ldap_sasl_bind_s
>>>> with 'CRAM-MD5'. The server sends a 'LDAP_SASL_BIND_IN_PROGRESS' back,
>>>> but as far as I can see the server cred are empty. How do I make the
>>>> next call with ldap_sasl_bind_s?
>>>>
>>>> In the documentation I have seen that the use of ldap_sasl_bind is not
>>>> recommended as client use, instead the ldap_sasl_interactive_bind_s
>>>> should be preferred. Has anyone a working example of how to use this
>>>> method, or some api doc? I have no clue how to set 'flags' the
>>>> LDAP_SASL_INTERACT_PROC, an the 'defaults' params..
>>>
>>> You first say that you're using ldap_sasl_bind_s(), and then you note
>>> that
>>> ldap_sasl_bind() is not recommended.  Do you realize that despite some
>>> similarities in the name, the two functions are profoundly different?
>>>  By
>>> no means ldap_sasl_bind_s() can return LDAP_SASL_BIND_IN_PROGRESS.
>>
>> Yes, I know that those methods behave differently - as I have read in
>> the docs, I just search for the simplest alternative as possible for
>> ldap_simple_bind, since I have seen that the ldap_simple_bind methods
>> are deprecated.
>>
>> Nevertheless ldap_sasl_bind_s returns LDAP_SASL_BIND_IN_PROGRESS which
>> I understand as a challenge which should be returned back to the
>> server. This one seems to had a similiar issue: http://bit.ly/awT4D4
>>
>> But I think I have to look at the examples for better understanding -
>> thx for the tip!
>
> ldap_sasl_bind_s() can be used, passing LDAP_SASL_SIMPLE, in lieu of
> ldap_simple_bind_s().  ldap_sasl_interactive_bind_s(), only need to be
> used for those methods that require multiple steps;
> LDAP_SASL_BIND_IN_PROGRESS indicates that a further step is expected,
> which never happens when performing a simple bind.  See the code snippet
> in slap_client_connect(), in servers/slapd/config.c for a complete example
> of how both functions can be used in the most complete form.
>
> p.
>
>