Wireshark-dev: Re: [Wireshark-dev] Anyone working on a Syncthing dissector?
From: Maciej Krüger <[email protected]>
Date: Fri, 9 Nov 2018 10:03:20 +0100
Hi,

I have written a still WIP (but mostly abandoned) dissector for libp2p
which also uses protobuf.

https://github.com/mkg20001/libp2p-dissector

This might give you some inspiration. Especially the CMakeLists.txt
could be useful
https://github.com/mkg20001/libp2p-dissector/blob/master/CMakeLists.txt#L49-L80

I also am using a patched version of protobuf-c which allows getting the
offsets for each of fields so they can be highlighted in the UI easily:
https://github.com/mkg20001/libp2p-dissector/blob/master/packet-secio.c#L309-L315


Maciej


Am 09.11.18 um 09:52 schrieb Antoine d'Otreppe:
> Hi Peter, hi Anders,
>
> Thanks for the pointers! I'll look into it and report back here when I have more information on the topic.
>
>
> Cheers,
> Antoine
>
>
>
>
> ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
> On Friday, November 9, 2018 9:32 AM, Anders Broman <[email protected]> wrote:
>
>>
>> -----Original Message-----
>>
>>> From: Wireshark-dev [email protected] On Behalf Of Peter
>>> Wu
>>> Sent: den 9 november 2018 00:22
>>> To: Antoine d'Otreppe [email protected]; Developer support list for
>>> Wireshark [email protected]
>>> Subject: Re: [Wireshark-dev] Anyone working on a Syncthing dissector?
>>> Hi Antoine!
>>> Based on the specifications for Syncthing, it appears that it uses Protobuf
>>> for defining its messages:
>>> https://docs.syncthing.net/specs/
>>> I am not sure how well protobuf is currently supported on Wireshark, you
>>> could scan the issue tracker and code review site to see if there is any
>>> current work in that area.
>>> Kind regards,
>>> Peter
>>> https://lekensteyn.nl
>>> (pardon my brevity, top-posting and formatting, sent from my phone)
>> Hi,
>> I think these pending commits are relevant:
>> https://code.wireshark.org/review/#/c/22892/
>> https://code.wireshark.org/review/#/c/23988/
>>
>> Regards
>> Anders
>>
>> On November 8, 2018 9:32:50 PM GMT+01:00, Antoine d'Otreppe
>> [email protected] wrote:
>>
>>> Hi there,
>>> I'm interested in learning more about wireshark in general, and in
>>> particular learning how to make my own dissectors.
>>> I just happened to find a protocol that doesn't seem to have any
>>> dissector for it yet: syncthing. https://syncthing.net/ The local
>>> discovery protocol looks easy enough to begin with, as it is only UDP
>>> broadcasts.
>>> Your developer guide recommends to send a mail before starting
>>> development to check if anyone else would be working on a similar
>>> topic. That sounds reasonable :)
>>> Anybody working on that protocol yet?
>>> Regards,
>>> Antoine d'Otreppe
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