On 27/12/2010 17:53, Nikolaus Rath wrote:
> I would like to match a number of TLS client certificates in an ACL.
> What's the best way to do this?
>
> I came up with
>
> accept
> verify = certificate
> condition =
> ${lookup{$tls_peerdn}lsearch{/etc/exim4/relayhosts}{true}{false}}
> control = submission
>
> but this requires me to put really awkward long DN strings into the
> relayhosts file. I'd rather just match on something more concise, e.g.
> the CN.
>
> Any recommendations?
Pull out the CN from $tls_peerdn using the "sg" string expansion and
search using that value. See,
http://www.exim.org/exim-html-current/doc/html/spec_html/ch11.html
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