Re: Suppresion of password prompt

[Simon Josefsson]

Hello Graham, sorry for the slow response.

Graham Shaw <address@hidden> writes:

> In article <address@hidden>,
>    Simon Josefsson <address@hidden> wrote:
>> Graham Shaw <address@hidden> writes:
>
>> I can think of two easy solutions:
>
>> 1) Add a new Shishi_tkts_hintflags flag such as
>> SHISHI_TKTSHINTFLAGS_NON_INTERACTIVE which inhibits all password
>> queries.  We probably need a new error code to signal that the command
>> failed for this reason.
>
>> 2) Add a callback interface for dealing with password queries.  This
>> allows you to get a callback when a password is needed.  The callback
>> could fail (which presumably it would in a non-interactive situation).
>> We probably need to add the same error code here as well.
>
>> Can you think of something else that would solve your problem better?
>> Which do you prefer?  I could implement both, they both seem useful.
>
> Either would fully solve my current problem, so from a personal POV I
> don't have any preference.
>
> The first would be marginally easier to use, but I think the difference is
> small.  You could narrow the gap by implementing the non-interactive
> version of the callback as part of the library, so that the user doesn't
> have to - that way it would be one line of code either way.  (If you did
> that then I don't think there would be any advantage in having the flag
> too, because it would be so easy to achieve the same effect with the
> callback.)
>
> The second looks like the more general solution.  I'm not sure it lets you
> do anything that you couldn't by calling the first one twice, but it
> probably has the edge in terms of elegance and efficiency.
>
> The second solution imposes a small cost on everyone by increasing the
> size of the hints structure.  Probably negligible, because I can't imagine
> why you ever need more than one or two instances.

Thanks for discussion.  Implementing both was rather straight forward,
so I did it.  Could you please test an updated daily snapshot?

http://daily.josefsson.org/shishi/shishi-20080619.tar.gz

I'll release 0.0.37 within a day or so unless you find any problem.

Thanks,
Simon