Ethereal-dev: Re: [Ethereal-dev] Can I force data into a dissector from below ?

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From: Michael Tuexen <Michael.Tuexen@xxxxxxxxxxxxxxxxx>
Date: Mon, 3 Nov 2003 18:42:27 +0100
The way I 'solved' this problem (with a proprietary version of SUA)
that put the code into ethereal and made it configurable via
preferences. Later, my former company switched to SUA and I took
the code out of ethereal.

You could just publish the dissector for the prop. protocol. Even
if you have some IPRs somewhere, usually you do not have it on
the packet format...

Best regards
Michael

On Nov 3, 2003, at 18:28 Uhr, Michael Lum wrote:

Exactly.

My current building version of ethereal is 0.9.14 and I have a
modification in my copy of BSSAP to call 'heur_dissector_add()'
to the proprietary protocol.


-----Original Message-----
From: Michael Tuexen [mailto:Michael.Tuexen@xxxxxxxxxxxxxxxxx]
Sent: Monday, November 03, 2003 9:17 AM
To: mlum@xxxxxxxxxxxxx
Cc: Ethereal
Subject: Re: [Ethereal-dev] Can I force data into a dissector from below
?


How does your proprietary stack look like?
BSSAP/prop proto/TCP/IP?

Best regards
Michael

On Nov 3, 2003, at 17:32 Uhr, Michael Lum wrote:

The company I work for has a proprietary protocol used to carry
SCCP traffic over IP.  I have a dissector for it but don't want
to check-it in because it is proprietary and no one else would
want it.

Is there a way I can write a plugin that will attach to TCP
dissect and then force the data into the BSSAP dissector.

I don't believe I can change the BSSAP dissector because it
will fail if the dissector below doesn't exist, right?

The other option would be to change the BSSAP dissector to
a plugin so that I can replace it easily.

Thanks.

--
Michael Lum                          Architect
4600 Jacombs Road               (604) 276-0055
Richmond, B.C.
Canada V6V 3B1

Telos Technology
Winner of the 2003 GSM Association Award
for Technology Innovation
Best Infrastructure

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