On Wed, 29 Oct 2014, Guru Prasad wrote:

> If I want to modify the 401 response handling for digest authentication, can
> I do this in the header callback function registered with libcurl (with
> CURLOPT_HEADERFUNCTION option)?

Sure. Just don't use libcurl's built-in auth support and build your own
instead.

> Can I use CURLOPT_HTTPHEADER option for this with curl_slist? In this case,
> do I have to take care of all the headers or can I add only partial headers
> which are specific to GBA and rest of the headers will be provided by
> libcurl as part of the 401 response handling.

No can do. With CURLOPT_HTTPHEADER you add, replace or remove full headers
only.

-- 
  / daniel.haxx.se
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