Hi,

On Mon, Jul 23, 2018 at 10:58 PM, Jonathan K. Bullard
<jkbull...@gmail.com> wrote:
> I was testing Tunnelblick with Selva's C/R server and config (thanks
> again for that) and there was a problem. Maybe I'm (still)
> misunderstanding something, but a SIGUSR1 restart asks for the normal
> username/password instead of a static C/R.
>
> That is, the first thing after the restart is ">PASSWORD:Need 'Auth'
> username/password" instead of ">PASSWORD:Need 'Auth' username/password
> SC:1,Type something (e.g., hello): ".

I think that's a side effect of my test config using both static challenge and
dynamic challenge together. Not a realistic use case, I suppose. I did
that to keep
the server side verify simple for a quick validation of patches that
touch user-auth.

But it was probably not a good approach for properly testing what happens on
signals or during TLS renegotiation.

If you wish I can amend my server side verify script so that you can test
static and dynamic challenge each separately.

>
> Should Tunnelblick save the static challenge info (like it saves the
> dynamic challenge info) and use it again whenever it sees a
> ">PASSWORD:Need 'Auth' username/password"? (Except when there is also
> a pending dynamic challenge, in which case it would use that instead.)

Normally SIGUSR1 restart should re-prompt with the static challenge if in use.

>
> Also, there's an oddity (that doesn't cause a problem) in that the
> first thing Tunnelblick sees over the management interface for the
> original connection is "ENTER PASSWORD:SUCCESS: password is correct"
> -- that comes even before ">INFO:OpenVPN Management Interface Version
> 1 -- type 'help' for more info", and long before any username or
> password has been entered.

The ENTER PASSWORD: is for the management-password, isn't it?

Selva

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