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List:       exim-users
Subject:    Re: [exim] Calling an acl from another acl
From:       Chris Wilson <chris+exim () qwirx ! com>
Date:       2013-06-13 14:10:13
Message-ID: alpine.DEB.2.02.1306131557310.13463 () lap-x201 ! fen ! aptivate ! org
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Hi Soumya,

On Thu, 13 Jun 2013, soumya tr wrote:

> Is it possible to call an acl from another acl? Something like..
> 
> acl_smtp_data = acl_smtp_data_custom
> 
> acl_smtp_data_custom:
> ...
> ...
> ...
> if there exist acl_smtp_data_custom1, then process the conditions of
> acl_smtp_data_custome1

You can include another ACL unconditionally with the "acl = 
other_acl_name" condition 
<http://www.exim.org/exim-html-current/doc/html/spec_html/ch-access_control_lists.html#SECTaclconditions>.


 	acl_check_foo:
 		accept
 			acl = other_acl_name

I don't know of any way to include the other ACL only if it exists. I 
guess as the developer of the exim configuration, you are supposed to know 
whether the other ACL exists before including it :)

But you might be able to use "warn" and "set" to change the error 
(inclusion of a nonexistent ACL) into a warning (which you can ignore) and 
a change to a variable value, which you can then use to accept or reject 
the command later. So this might work:

 	acl_check_foo:
 		warn
 			set acl_m_accepted = no
 			acl = other_acl_name
 			set acl_m_accepted = yes

 		accept
 			condition = ${acl_m_accepted}

Cheers, Chris.
-- 
_____ __     _
\  __/ / ,__(_)_  | Chris Wilson <chris+sig@qwirx.com> Cambs UK |
/ (_/ ,\/ _/ /_ \ | Security/C/C++/Java/Ruby/Perl/SQL Developer |
\__/_/_/_//_/___/ | We are GNU : free your mind & your software |

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