Ethereal-dev: Re: [Ethereal-dev] How to access value of hdr.frag_len from subdissector?

Note: This archive is from the project's previous web site, ethereal.com. This list is no longer active.

Date Index Thread Index Other Months All Mailing Lists
Date Prev Date Next Thread Prev Thread Next
From: Todd Sabin <tsabin@xxxxxxxxxxxxx>
Date: 17 Jun 2002 20:28:24 -0400
Guy Harris <gharris@xxxxxxxxx> writes:

> On Sat, Jun 15, 2002 at 10:21:56PM -0700, Jaime Fournier wrote:
> > I am trying to make a test in a disector for
> > packet-dceprc-epm.c in the
> > rpm_dissect_ept_lookup_rqst().
> > What I need to do is test if frag_length, as defined
> > in the dcerpc dissector is non zero.
> 
> Why do you need to test for that?
> 
> Is it ever valid for a fragment to have zero length - meaning that
> there's no actual stub body in the request or response?

Not relevant to the rest of the thread, but yes, that's possible.
E.g., in the mgmt interface, the request for rpc__mgmt_inq_if_ids has
no stub data.  (There are no [in] parameters.)


Todd