[Triton Circonflexe <triton+enuiqr@xxxxxxxxxx>]

Adding a whole pile on the pile, Thrift faces the same issue: no only structs can contain structs but even with a specific dissector, the IDL definition allows for recursive structures (directly or indirectly).

I didn’t check the other protocol generators (Google Protobuf, Apache Etch, for the ones I know are supported by Wireshark) but it might be the case as well in some of them.

All in all, I think there is a real use for some way of filtering sub-structures in more cases than we might think of.

Le sam. 30 juil. 2022 à 12:28, John Thacker <johnthacker@xxxxxxxxx> a écrit :

To pile on more, there's the same enhancement request for Diameter (also generated) that's ten years old:

https://gitlab.com/wireshark/wireshark/-/issues/6816

On Sat, Jul 30, 2022, 3:12 AM Roland Knall <rknall@xxxxxxxxx> wrote:

Just to pile on, a very similar issue exists with OPC UA, more because the dissector is generated and the generator is not respecting naming schemes but they face the same issue.

Kind regards
Roland

> Am 29.07.2022 um 18:28 schrieb Richard Sharpe <realrichardsharpe@xxxxxxxxx>:
>
> Hi folks,
>
> The wonderful people working on 802.11 have started using recursive structures.
>
> That is, they are embedding Info Elements (IEs) within Info Elements
> and there can be multiple IEs of the same type within an IE within a
> Beacon or Probe etc frame.
>
> Now some people are asking to be able to refer to a specific embedded
> IE within an IE.
>
> That would seem to present problems because there is no way to
> concatenate filter expressions.
>
> About the best I can think of is pass some context to IE dissectors
> via the pinfo field and to insert that into field values via a
> proto_item_append_text ...
>
> Are there any other thoughts about how to deal with this issue?
>
> --
> Regards,
> Richard Sharpe
> (何以解憂？唯有杜康。--曹操)(传说杜康是酒的发明者)
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