[syslog-ng] greedy parser still broken?
Balazs Scheidler
bazsi at balabit.hu
Fri Aug 6 13:50:57 CEST 2010
On Tue, 2010-08-03 at 20:24 -0700, Jiann-Ming Su wrote:
> ----- Original Message ----
> > From: Jiann-Ming Su <su_js1 at yahoo.com>
> > To: Syslog-ng users' and developers' mailing list <syslog-ng at lists.balabit.hu>
> > Sent: Tue, August 3, 2010 1:37:30 PM
> > Subject: Re: [syslog-ng] greedy parser still broken?
> >
> > ----- Original Message ----
> > > From: Balazs Scheidler <bazsi at balabit.hu>
> > > To: Syslog-ng users' and developers' mailing list
> ><syslog-ng at lists.balabit.hu>
> > > Sent: Mon, August 2, 2010 10:25:24 AM
> > > Subject: Re: [syslog-ng] greedy parser still broken?
> > >
> > > On Fri, 2010-07-30 at 11:44 -0700, Jiann-Ming Su wrote:
> > > > I've reopened bug 87 (https://bugzilla.balabit.com/show_bug.cgi?id=87)
> > >because I
> > >
> > > > think the greedy flag is still broken. I've updated the bug with my
> > > > observations. Can someone else offer any more insight? Thanks.
> > >
> > > Can you please give us concrete examples what input you give it and what
> > > your expectations are?
> > >
> >
> > Please refer to comment #2 of the bug
> > (https://bugzilla.balabit.com/show_bug.cgi?id=87#c2).
> >
> > Sample syslog message: Jul 27 19:55:33 myhost ZabbixConnector.log :
> > 19:55:32,782 INFO [Thread-2834] - [ZabbixEventSyncCommand] Processing
> > message <?xml version="1.0" encoding="UTF-8"?>
> > The following template and parser combination: template t_esb {
> > template("${ESB.LOG}, ${ESB.MSG}\n"); }; parser p_app_esb {
> > csv-parser(columns("ESB.LOG","ESB.MSG") delimiters(" ") flags(greedy)); };
> >
>
>
> I think I just fixed my own problem. I had to use the "escape-none" flag as
> well:
>
> parser p_app_esb { csv-parser(columns("ESB.LOG","ESB.MSG") delimiters(" ")
> flags(greedy, escape-none)); };
>
> I'm getting the behavior I'm expecting now. I'll update the bug report.
>
Ahh, the problem was that there was no default for the escape method,
this is clearly a bug and this patch fixes it in 3.0:
commit f8a8ae5ba67a4add7ed8905fba7c2118d4349b5d
Author: Balazs Scheidler <bazsi at balabit.hu>
Date: Fri Aug 6 13:49:59 2010 +0200
csvparser: remove the need to explicitly specify an escaping mode
csvparser will not default to escape-none if it is not specified explicitly.
--
Bazsi
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