[rsyslog] comparing two parts of a message

David Lang david at lang.hm
Fri Sep 22 18:49:39 CEST 2017


I think you would need to set a variable to the result of exec_template() to use 
the template language to extract the fields. then compare the two variables.

David Lang

On Fri, 22 Sep 2017, Maupertuis Philippe wrote:

> Date: Fri, 22 Sep 2017 17:00:19 +0200
> From: Maupertuis Philippe <philippe.maupertuis at equensworldline.com>
> Reply-To: rsyslog-users <rsyslog at lists.adiscon.com>
> To: "rsyslog at lists.adiscon.com" <rsyslog at lists.adiscon.com>
> Subject: [rsyslog] comparing two parts of a message
> 
> Hi,
> One firewall is logging with incorrect message format.
> The datetime at the beginning of each message is written twice :
> Sep 22 13:00:00 Sep 22 13:00:00+02:00 10.92.136.101 Action="accept" UUid="{ ....
> In such a case rewriting the message with property(name="rawmsg" position.from="17") give me a correct result.
> What I would like is to test  is if  property(name="rawmsg" position.from="1" position.to="15") and property(name="rawmsg" position.from="17" position.to="31") are the same to alter the message only when needed.
> It doesn't seem that complicated but I can't figure out how to write this test.
> Any help would be welcome.
> Philippe
>
>
> !!!*************************************************************************************
> "Ce message et les pi?ces jointes sont confidentiels et r?serv?s ? l'usage exclusif de ses destinataires. Il peut ?galement ?tre prot?g? par le secret professionnel. Si vous recevez ce message par erreur, merci d'en avertir imm?diatement l'exp?diteur et de le d?truire. L'int?grit? du message ne pouvant ?tre assur?e sur Internet, la responsabilit? de Worldline ne pourra ?tre recherch?e quant au contenu de ce message. Bien que les meilleurs efforts soient faits pour maintenir cette transmission exempte de tout virus, l'exp?diteur ne donne aucune garantie ? cet ?gard et sa responsabilit? ne saurait ?tre recherch?e pour tout dommage r?sultant d'un virus transmis.
>
> This e-mail and the documents attached are confidential and intended solely for the addressee; it may also be privileged. If you receive this e-mail in error, please notify the sender immediately and destroy it. As its integrity cannot be secured on the Internet, the Worldline liability cannot be triggered for the message content. Although the sender endeavours to maintain a computer virus-free network, the sender does not warrant that this transmission is virus-free and will not be liable for any damages resulting from any virus transmitted.!!!"
> _______________________________________________
> rsyslog mailing list
> http://lists.adiscon.net/mailman/listinfo/rsyslog
> http://www.rsyslog.com/professional-services/
> What's up with rsyslog? Follow https://twitter.com/rgerhards
> NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T LIKE THAT.
>


More information about the rsyslog mailing list