[Click] info on DATA field of InfiniteSource

Cliff Frey cliff at meraki.com
Fri Sep 30 12:27:05 EDT 2011


This works for me:
click -e '
InfiniteSource(DATA "packet contents here are ascii", LIMIT 1, STOP true)
-> UDPIPEncap(192.168.1.2, 1000, 10.0.0.2, 2000)
-> IPPrint(PAYLOAD ascii)
-> Discard
'

You could also look at FromIPSummaryDump to construct packets manually.

Cliff

On Fri, Sep 30, 2011 at 6:34 AM, Luca Costantino
<luca.costantino at gmail.com>wrote:

> so...
>
> i'm playing a little bit with this wonderful program...
>
> i have a question regarding test.click. it's infinitesource
> configuration has a hex payload that corresponds to 15:21:32.518726 IP
> 1.0.0.1.4969 > ANantes-651-1-49-2.w2-0.abo.wanadoo.fr.4969: UDP,
> length 12 (i used a todump element and then i read the output with
> tcpdump)
>
> but how can i construct that DATA field?
>
> says that i want to simulate some udp traffic coming from 192.168.1.2,
> directed to 10.0.0.2. how can i do that? and can i impose the content
> of that traffic's packets?
>
> luca
>
> --
> Chiave pubblica http://luca.costantino.googlepages.com/luca.costantino.asc
>
> Prima di tutto vennero a prendere gli zingari e fui contento, perché
> rubacchiavano.
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> antipatici.
> Poi vennero a prendere gli omosessuali, e fui sollevato, perché mi
> erano fastidiosi.
> Poi vennero a prendere i comunisti, e io non dissi niente, perché non
> ero comunista.
> Un giorno vennero a prendere me, e non c’era rimasto nessuno a protestare.
> (Martin Niemöller)
>
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