Mornin',

On Thu, Dec 17, 2015 at 04:22:37PM -0500, Selva Nair wrote:
> While reviewing the series of patches from Wayne Davison, I've come to
> realize that, until the recent changes in get_user_pass_cr, the use of
> challenge-response was incompatible with reading auth-user-pass from a
> file. As this goes back to early 2.3-alpha, it may be by design, but not
> documented as such?

I think it's more "by oversight" - personally, I've never been even aware
that challenge-response *exists* until about two years ago (well in the 
2.3 series) - and it seemed to be mainly used together with OpenVPN AS,
read "management interface based".

That said...

> (b) prompt for the response from console in both dynamic and static cases

I think this would follow the "principle of least surprise", so I'd go
for (b).

gert
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Gert Doering - Munich, Germany                             g...@greenie.muc.de
fax: +49-89-35655025                        g...@net.informatik.tu-muenchen.de

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