[Dario Lombardo <dario.lombardo.ml@xxxxxxxxx>]

That's a possibility (I have to take a look at the dissectors you both mentioned, and I didn't it yet), but what I was looking for was a more general way to do that. If the dissector itself has to make this checks, it means that all dissectors code must be patched. If we find a way to do that after the dissector has finished, we could have a way to automatically find incomplete disssectors.

On Wed, Feb 4, 2015 at 9:46 AM, Michal Labedzki <michal.labedzki@xxxxxxxxx> wrote:

I use expert info about undecoded thing in Bluetooth dissectors.

In proto.h:
/** The data is undecoded, the protocol dissection is incomplete here,
usually PI_WARN severity */
#define PI_UNDECODED            0x05000000

But I use it with PI_NOTE, because I treat PI_WARN more like a "bug"
rather than incomplete dissections.

On 3 February 2015 at 23:52, Alexis La Goutte <alexis.lagoutte@xxxxxxxxx> wrote:
> There is some dissector (like ICMPv6, IEEE 802.11 or CAPWAP...)
>
> where there is already expert info about undecoded code...
>
>
> On Tue, Feb 3, 2015 at 6:15 PM, Evan Huus <eapache@xxxxxxxxx> wrote:
>>
>> As far as I know this is not currently available, but it would
>> probably be fairly useful and easy. You just need to iterate the proto
>> tree and keep track of which byte ranges are claimed/unclaimed.
>> proto_find_field_from_offset does something related to this (it is
>> used for matching bytes to fields in the UI) so it's probably a good
>> place to start.
>>
>> On Tue, Feb 3, 2015 at 12:08 PM, Dario Lombardo
>> <dario.lombardo.ml@xxxxxxxxx> wrote:
>> > Hi list
>> > I was wondering if there is a comfortable way to find out undissected
>> > bytes
>> > in packets. This would be useful to find incomplete dissectors.
>> > Any hint?
>> > Thanks!
>> > Dario.
>> >
>> >
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