Re: Has anyone created an XDR to Dissector tool?

[Richard Sharpe <realrichardsharpe () gmail com>]

On Thu, Sep 1, 2016 at 10:04 AM, Richard Sharpe
<realrichardsharpe () gmail com> wrote:
> On Thu, Sep 1, 2016 at 4:41 AM, Guy Harris <guy () alum mit edu> wrote:
> > On Aug 31, 2016, at 3:19 PM, Richard Sharpe <realrichardsharpe () gmail com> wrote:
> >
> > > Has anyone written a tool that can go from XDR to a dissector?
> > >
> > > If not, I can give it a try.
> >
> > One possibility would be to take rpcgen:
> >
> >         https://svnweb.freebsd.org/base/head/usr.bin/rpcgen/
> >
> > and modify it to generate dissector source - rpcgen takes a description of an ONC RPC protocol, so it might need to 
> > be tweaked to handle XDR without the rest of RPC.
>
> Great, thanks to both Guy and Jaap for their suggestions. I also
> looked at PLY (http://www.dabeaz.com/ply/ply.html) but that seems to
> involve a fair amount of work and would be similar to the approach I
> took with the SMB dissector a long time ago.
>
> I will look at both of those and see which will be easier of the three
> approaches I have so far.
>
> Modifying a version of rpcgen has some attraction since it means that
> the same tool can be used to generate a Wireshark dissector as is used
> to generate the stubs etc.

OK, so it looks like modifying rpcgen is going to be the fastest. It
has pretty much all I need, I just need to add a function or two ...

I could have something that works in a couple of days. I am using
glibc's version ... wonder if I could get it accepted upstream.

-- 
Regards,
Richard Sharpe
(何以解憂？唯有杜康。--曹操)
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