[syslog-ng] Rewrite backreference oddity

[Ti Leggett]

Neither of those seem to help. If you notice, the back-reference is getting applied, just at the end of the string instead of where it should be. That's the really weird thing to me.

On Feb 27, 2012, at 12:22 PM, Patrick Hemmer wrote:

> Sent: Mon Feb 27 2012 13:18:03 GMT-0500 (EST)
> From: Ti Leggett <leggett at mcs.anl.gov>
> To: syslog-ng at lists.balabit.hu
> Subject: [syslog-ng] Rewrite backreference oddity
>> I have a rewrite rule that is used to replace private IPs that have no DNS name to an internally used name. It looks like:
>> 
>> rewrite r_ddn { subst("172.30.60.(\d*)", "d9550-$1.example.com", value("HOST"), type("pcre")); };
>> 
>> 
>> For IP 172.30.60.1 I should get a HOST that is d9550-1.example.com, but what I actually get is d9550-.example.com1. Any ideas what I'm doing incorrectly? I've tried encapsulating the back reference in {}. Here's info about my syslog-ng:
> You shouldnt have a comma before the `type`. The config parser might be allowing this, though the general syntax used is to not have one.
> 
> Also try using `flags(store-matches)`
> 
> -Patrick

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