Wireshark · Wireshark-dev: Re: [Wireshark-dev] New in Wireshark making a dissector

[Michal Orynicz <michal.orynicz@xxxxxxxxx>]

Hi Javi,

There is a painfully simple dissector for logcat I commited some time ago. It could help getting the basic ideas how to register the dissector etc.:

Dissector:
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob;f=epan/dissectors/packet-logcat-text.c;h=5699e4d75b5707b5985c2c5abb3eb2807603986e;hb=735263e58e2a6a92389777d7baa2da2fa4d809a8

Wiretap part (I/O for data source):
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob;f=wiretap/logcat_text.h;h=90f88ec0f143d8d374eb7ec87605ba240ebf77d8;hb=735263e58e2a6a92389777d7baa2da2fa4d809a8
https://code.wireshark.org/review/gitweb?p=wireshark.git;a=blob;f=wiretap/logcat_text.c;h=7d9cf4322f494265df37455093a12970d67cfba6;hb=735263e58e2a6a92389777d7baa2da2fa4d809a8

The commit which added above to logcat, with registering it etc.:
https://code.wireshark.org/review/#/c/1802/

On 5 April 2016 at 10:49, Paul Offord <Paul.Offord@xxxxxxxxxxxx> wrote:

Hi Javi,

I wrote a dissector for the PCoIP protocol in the LUA language.  It's OK but it would be far better written in C (as suggested by Alexis).  You can find the LUA source code and some background information regarding PCoIP at https://community.tribelab.com.  Full details of the PCoIP header are not available - it's a proprietary protocol - but it uses the ESP which is useful for tracking sequence numbers.  This means that you could write a very simple dissector that dumped the hex for the PCoIP Transport Header and then handed off to the existing Wireshark ESP header.  It would be a great introduction to writing dissectors.

Best regards...Paul

-----Original Message-----
From: wireshark-dev-bounces@xxxxxxxxxxxxx [mailto:wireshark-dev-bounces@xxxxxxxxxxxxx] On Behalf Of guembe.100649@xxxxxxxxxxxxx
Sent: 05 April 2016 09:32
To: wireshark-dev@xxxxxxxxxxxxx
Subject: [Wireshark-dev] New in Wireshark making a dissector

Hi!

I am a studient at a University (UPNA).
My challenge is make a dissector for a another protocol that is not now dissected. I´m a noob, so I´m reading Developer´s guide. If you have any advice, suggestion of protocol... or whatever, please tell me!

Thanks,
Javi Guembe.

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Pozdrawiam / Best regards
Michał Orynicz, Software Engineer

Tieto Corporation

Product Development Services

http://www.tieto.com / http://www.tieto.pl
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