Re: [exim] ACL for headers check

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Autor: Ted Cooper
Data:  
Dla: exim-users
Temat: Re: [exim] ACL for headers check
On Thu, 2010-03-25 at 17:49 +0100, Gandalf Corvotempesta wrote:
> SELECT string FROM table WHERE header = 'From' \
>    AND $eximVariable REGEXP string

>
> But we are unable to create the acl condition.
> Can someone help us?


This is a bit more of a MySQL question than an Exim one really.

Unless your MySQL works differently to mine, that regex will never
match. MySQL doesn't need the // on the start and end. Always get your
SQL working before trying to get it to work inside Exim.

Using the following as a reference
http://dev.mysql.com/doc/refman/5.1/en/regexp.html

I changed the table to be like this
> select * from test1;

+-------+------------------+
| name  | reg              |

+-------+------------------+
| From | /.*<mytest@.*>$/ |
| From2 | .*<mytest@.*>$ |

+-------+------------------+

And then the SQL to
> SELECT reg FROM test1 WHERE 'hippo <mytest@???>' REGEXP reg;

+----------------+
| reg            |

+----------------+
| .*<mytest@.*>$ |

+----------------+
1 row in set (0.00 sec)

Adjusting your SQL to look like

SELECT 1 FROM table WHERE header = 'From' \
AND ${quote_mysql:$h_from:} REGEXP string

There doesn't seem to be a point to returning the regular expression
used so I changed that to a 1 so the line equals true. And now turn it
into a condition ..

condition = ${lookup mysql{SELECT 1 FROM table WHERE header = 'From' \
AND ${quote_mysql:$h_from:} REGEXP string}

Theoretically anyway .. not tested, your mileage may vary, things may
look larger in this mirror than they actually are


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