[libvirt] Debug the username/passwords

[Daniel P. Berrange]

On Tue, Jul 28, 2009 at 04:58:17PM -0400, Bryan Kearney wrote:
> Hopefully this is the last question I have on the Java drivers. I am 
> trying to debug the callback from openAuth(). I am passing back what I 
> think is valid information, but I see in /var/log/messages the following:
> 
> Jul 28 16:21:24 localhost libvirtd: sasl step failed -20 (SASL(-13): 
> user not found: no secret in database)

That says its getting a username, but not matching.

NB, make sure you use VIR_CRED_USERNAME, rather than VIR_CRED_AUTHNAME.
The latter is most never what you want

> Is there a way to output what I have passed back in the credential 
> responses? Setting the following in the /etc/libvirt/libvirtd.conf file 
> does not seem to increase the logging:

We explicitly don't include auth credentials in the debug log to
avoid compromising them. So your best option is to attach GDB to
the process.  The qemud/remote.c file, in the remoteDispatchAuthSaslStep
method, you want to peek at the 'args->data.data_val' string.


Daniel
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