Re: [exim] exim 4.82 - callouts with smtp auth

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Author: Jeremy Harris
Date:  
To: exim-users
Subject: Re: [exim] exim 4.82 - callouts with smtp auth
On 04/08/14 21:57, Russell King wrote:
> Let's say that you wish to use callout verification between various hosts
> which you control, and you also wish to use SMTP auth between them. Let's
> also say that you use per-host secrets as well, and you look them up via
> this authenticator:
>
> cram:
> driver = cram_md5
> public_name = CRAM-MD5
> client_name = ${extract{1}{.}{$primary_hostname}}
> client_secret = ${lookup{$host}lsearch{/etc/exim/host/auth-client}{$value}fail}
>
> This works fine for normal SMTP messages, and it also works fine with
> exim 4.76.
>
> However, with 4.82, $host is empty when a verification SMTP
> conversation is being run, and if you have the smtp transport set with
> hosts_require_auth for these hosts, the callout now fails. This is a
> regression from previous versions.
>
> src/verify.c could do with not NULLing the deliver_host etc after
> router lookup, but only after the verification for the target host
> has finished - indeed, ensuring that deliver_host is set for the
> smtp_auth() call fixed the problem I was seeing.


Thanks for spotting this.

http://bugs.exim.org/show_bug.cgi?id=1514 opened to track the issue.
--
Jeremy