Re: [Fedora-directory-users] SASL authentication

Richard Megginson
Thu, 07 Sep 2006 20:57:52 -0000

Josh Kelley wrote:
> SASL authentication appears to be operating incorrectly on my install
> of FDS.  We do not use SASL; our passwords are stored in FDS using
> CRYPT-MD5, SMD5, and SSHA256, depending on when and how the
account''s
> password was last changed.  As I understand it, SASL authentication
> using DIGEST-MD5 and CRAM-MD5 only works if passwords are stored in
> cleartext in FDS.  Is this correct?
Yes.
>
> The problem is that our OS X clients, when configured for LDAP
> authentication, try a SASL bind (CRAM-MD5) first then fall back to a
> simple bind if that fails.  When OS X checks a login against an
> OpenLDAP server, the server returns resultCode 80 (other), error
> message "SASL(-13): user not found: no secret in database", and
so the
> client falls back to a simple bind.  However, when OS X tries a SASL
> bind against FDS, the server returns resultCode 49
> (invalidCredentials), error message "SASL(-13): authentication
> failure: incorrect digest response", and so the client assumes that
> the login failed.
>
> Is this a bug in FDS?  Or did I misconfigure something?  Is there an
> easy workaround?
I''m not sure.  Is it the LDAP resultCode that causes the OS X clients
to
fail, or is it the SASL return code?
> Our Macs are mostly unusable until I can get this
> fixed.
>
> Thanks.
>
> Josh Kelley
>
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