Wireshark mailing list archives

Re: Checking for Qt in a dissector


From: Roland Knall <rknall () gmail com>
Date: Mon, 3 Jul 2017 19:26:41 +0200

If you just need it for the code showing some toolkit function or plugin
functionality, there is an example code in the pluginifdemo for that.

As the guys said, it cannot be done from the dissector itself, as this will
need some sort of reference from libwireshark, and that is a very bad idea.

Roland

On Mon, Jul 3, 2017 at 7:22 PM, Paul Offord <Paul.Offord () advance7 com>
wrote:

Hi Pascal,

That won't work in this case.  It's actually a plugin rather than a true
dissector - I didn't describe it well.  It uses Qt code so it definitely
will only work with Wireshark 2.x.x.  Objections aside, how can it be
detected?

Thanks and regards...Paul



Sent from Samsung Mobile on O2


-------- Original message --------
From: Pascal Quantin <pascal.quantin () gmail com>
Date: 03/07/2017 17:57 (GMT+00:00)
To: Developer support list for Wireshark <wireshark-dev () wireshark org>
Subject: Re: [Wireshark-dev] Checking for Qt in a dissector

Hi Paul,

Le 3 juil. 2017 18:47, "Paul Offord" <Paul.Offord () advance7 com> a écrit :

I have a dissector that needs to confirm that it is running in a Qt
environment i.e. Wireshark 2.x.x and not tshark.  What is a good way to
check for this?


Sorry to say that but IMHO you should not / must not have such a need. Any
dissector that would behave differently depending on the application used
(command line, GTK UI, Qt UI) has a design flaw.
Dissectors should behave the same way whatever the user frontend, and taps
are here to present the data to the user differently depending on the
interface used.
I sincerely hope we do not expose the info you are requesting to
libwireshark....

Regards,
Pascal.



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