Ethereal-dev: [Ethereal-dev] How to test dissector changes

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From: "Nils Ljungberg (LN/EAB)" <nils.ljungberg@xxxxxxxxxxxx>
Date: Thu, 29 Jun 2006 15:19:29 +0200
Title: How to test dissector changes

Hi I have done some major changes to a protocol, and would like to test the specific cases in the protocol that I have changed. The problem is that I don't have capture files that handle theses cases, so I wonder if there is a way to easy construct your own capture files if you know the byte-code you want to feed your dissector.

The problem I have is that my dissector is quite high in the chain (ip->sctp...ranap->gsm_a_dtap) so I cant simply edit the gsm part, since length indicator and possible crc checks in earlier protocols will be in error.

So is there a good way to edit packages or tell ethereal/tethereal to "just use" the gsm_a_dtap on the capture file?

/Regards Nils Ljungberg 

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