http://www.exim.org/pipermail/exim-users/Week-of-Mon-20040419/070420.html

[Exim] Wishlist #254 (2) iplsearch

Nico Erfurth masta at perlgolf.de
Fri, 23 Apr 2004 16:52:46 +0200

Hi list,

here is a patch for wishlist item #254 (yes, we have #254 two times in
the list :)).

http://perlgolf.de/exim-4.32-iplsearch.diff

How it works:
The lsearch file can consist of ip-addresses, networks (both, v4 and v6)
and a wildcard ('*'). As with the other *lsearch lookups, the keys are
delimited by a colon or space from the data.

The syntax is a usual
${lookup {$sender_host_address} iplsearch {/etc/exim/badguys}}

ONLY ip-addresses (v4/v6) and the '*'-wildcard are allowed as keys for
iplsearch.

The lookup will always return the FIRST match, NOT the closest, or
anything else. For ipv6 addresses/networks you need to enclose the
key-part in double-quotes, or exim will recognize the colon as delimiter.

The patch also reorganize the way lsearch works a BIT, and adds a new
function to host.c that's mainly taken from verify.c

Nico

PS: As usual, no warrenty for anything, but feedback is welcome.