Re: Lua Dissector <lua fake item>

[Hadriel Kaplan <hadriel.kaplan () oracle com>]

Do you have the “Display hidden protocol items” enabled in your Protocol preferences for some reason? That would 
probably cause that “fake lua item” to be displayed.

-hadriel


On Apr 3, 2014, at 11:46 PM, Hadriel Kaplan <hadriel.kaplan () oracle com> wrote:

> Doesn’t happen for me, on Windows-XP (sorry I don’t have a newer windows to try it on right now - my main machine’s a 
> Mac).
>
> If you can’t show your real script, can you try downloading the “dissector.lua" one on the script examples wiki page, 
> along with the "dns_port.pcap" file, and try those to see if you see the same thing with that?
>
> The examples page is here:
>
> http://wiki.wireshark.org/Lua/Examples
>
> ...and the first section of that page is labeled "A dissector tutorial script", with the download link for 
> "dissector.lua" and a few paragraphs later the link for "dns_port.pcap”.
>
> -hadriel
>
> On Apr 3, 2014, at 11:04 PM, Matthew Parlane <parlane () gmail com> wrote:
>
> > Hey everyone,
> >
> > I grabbed the latest Wireshark-win64-1.11.3-2224-gdf52f81.exe install.
> >
> > Made a lua script for decoding a simple protocol header and I am getting:
> >
> > User Datagram Protocol
> > <lua fake item>
> > Blah Protocol
> >
> > Basically my lua is
> >
> >
> >    local p_blah = Proto("blah","Blah Protocol");
> >    blah.fields = {... }
> >    function p_blah.dissector(buf, pinfo, root)
> >      local t = root:add(p_blah, buf(0,BLAH_HEADER_SIZE))
> >      t:add(f_item1, buf(0,4))
> >      -- root:set_text("What?")
> >    end
> >
> > Now if I do the root:set_text("What?"), it changes from <lua fake item> to <Text item>
> >
> >
> > User Datagram Protocol
> > <Text item>
> > Blah Protocol
> >
> >
> > The Blah protocol decodes perfectly, so that's fine. Just curious how to correctly add the nodes so that it doesn't 
> > give this extra row of fake lua ?
> >
> >
> > p.s. Sorry on light details, I can't share the specs.
> >
> > Cheers,
> > Matthew Parlane
> > ___________________________________________________________________________
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