Hi,
A possibility for a trace is to save (a) packet(s) in text format and then edit the sensetive
information and use tex2pcap to recreate the .pcap file but it's a bit cumbersome.
Regards
Anders
________________________________
From: wireshark-dev-bounces@xxxxxxxxxxxxx on behalf of Bruce Fitzsimons
Sent: Thu 2/21/2008 11:14 AM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] GTP' (gtp prime) versus GTP dissector
Anders Broman wrote:
> Hi,
> I think you build a strong case for splitting the protocols and I don't
> see a problem with it
> but I don't have much first hand experience of GTP'...
>
Thanks Anders, I will begin my task...
> If the CDR description is in ASN1 (3GPP TS 32.298?) a dissector for that
> should be built using asn2wrs.
> It might be beneficial to split the GTP' decoding and the actual CDR
> dissection in different files
> as that may make it easier to make hooks for proprietary formats.
>
>
Okay, I will leave the hook there then, although possibly change it's
name. I'm using gtpp as name e.g. packet-gtpp.c so probably gtppcdr.
> Do you have any example traces to share?
>
>
I'm limited in my ability to share traces that I get from others because
they contain information from their network (phone numbers, IMSIs, etc).
I can generate them myself using open-cgf and it's test tool but this
isn't yet a good basis to build another implementation of (sort of like
building a house using a square you built yourself).
I'll think about the possibilities, I would like to get a trace up onto
the wiki.
Regards,
Bruce
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