Re: About Wireshark dissector generators

["d3c1978 () yahoo com" <d3c1978 () yahoo com>]

Most (all?) cellular protocol dissectors are written in ASN.1 and wireshark compiles them fine. If you can convert your 
protocol to ASN.1, it should be pretty straight forward.
Regards.
 
 
  On Fri, Mar 4, 2016 at 6:26 AM, Giorgio Buffa<buffagiorgio () gmail com> wrote:   Hello list,
I need to write a wireshark dissector for a custom binary protocol with a lot of messages (and with little time 
available, of course). Last time I've done this by hand (in C), but now I'm looking for an automatic tool; do you have 
any experience on that topic?

I've found a couple of tools to automatically generate a dissector from (some sort of) message specification. Please 
consider that I have no formal specification of the protocol messages, but the corresponding C structures are already 
implemented (and they include bad things such as bitfileds, variable lenght arrays and unions). 

* Wireshark Generic Dissector -- The description of your data is read from a text file (it seems awesome)
  <http://wsgd.free.fr/index.html>
* CSjark -- A tool for generating Lua dissectors from C struct definitions to use with Wireshark
  <https://csjark.readthedocs.org/en/latest/>
* Asn2wrs -- Create a dissector from an ASN.1 specification of a protocol (it is work in progress?)
  <https://wiki.wireshark.org/Asn2wrs>

Have you ever used them? It was a success story?  :)
Do you know any other useful tool you would like to suggest?

Thank you and best regards,
Giorgio Buffa.

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