Re: GSS-Negotiate authentication requires that all data fit into postbuffer

> 
> GSS-Negotiate authentication always requires a rewind with CURL.
> 
> The remote in question only supports Negotiate authentication, so
> prompting for a password in this case isn't going to help.  I'm probably
> going to look into this over the next couple of days, but two things
> need to be done here: 1) do not prompt for a password if only Negotiate
> authentication is requested, since it just won't work, and 2) recreate
> the data as needed if we have to rewind, since otherwise pushing a fresh
> copy of the Linux kernel repo simply isn't going to work as the buffer
> will have to be too large.  An alternative is to send a small amount of
> data, smaller than the postbuffer, in the first chunk and only fail to
> rewind if the second or subsequent chunks need rewinding.