[Dovecot] Client Cert Auth Problem

[Timo Sirainen]

On Sat, 2009-07-18 at 00:12 +0200, Christian Felsing wrote:
> is there a config possible which supports both of following
> authentication schemes ?
> 
> 1st: If user presents a client certificate, he can log in w/o
> username/password, where user id comes from CN. Accepting any password
> is not the right solution.

What do you mean by the last sentence? Do you expect there to be a
difference between logging in without a password or with any password?

> 2nd: If user does not present a client certificate, he have to
> authenticate by username/password.

%k variable contains "valid" if client had sent a valid SSL cert. With
checkpassword or sql passdb that should be enough, I think. With LDAP
passdb you'd have to do something ugly.

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