You could achieve a useful first step by writing (or using) an offline
capture utility to grab USB packets to file, and simply writing a
dissector for those packets. That would get us much of the way there,
and still be minimall disruptive.
-Ashok
> Hmmm . . . good point. I wonder if it would be worth it to extend libpcap?
> It might be easier to start a new capture library for USB/etc from scratch.
>
> On Wednesday, 07 Nov 2001, Neulinger, Nathan wrote:
> > Seems to me that the easiest way to get started on this would be the old
> > idea of separating that capture mechanism from ethereal itself into a small
> > external tool. You could then easily add capability for selecting from a
> > variety of external capture tools. (This also resolves some of the security
> > issues with allowing non-root access to ethereal.)
> >
> > The real problem though becomes the limitations of libpcap, since it is
> > currently defining the encapsulations/media-types/etc. If ethereal were to
> > do that itself, it would be easy enough to add a 'usb' encapsulation type.
> >
> > -- Nathan
> >
> > ------------------------------------------------------------
> > Nathan Neulinger EMail: nneul@xxxxxxx
> > University of Missouri - Rolla Phone: (573) 341-4841
> > Computing Services Fax: (573) 341-4216
> >
> >
> > > -----Original Message-----
> > > From: Ronnie Sahlberg [mailto:rsahlber@xxxxxxxxxxxxxx]
> > > Sent: Tuesday, November 06, 2001 4:08 AM
> > > To: ethereal-dev@xxxxxxxxxxxx
> > > Subject: [Ethereal-dev] Where to find more protocols for ethereal
> > >
> > >
> > > Hi again list,
> > >
> > > Bored tonight so weird thoughts wanders into my mind.
> > > I guess ethereal is soon running short of protocols to add to
> > > it so why not come up with something new that might give us
> > > lots of other new protocols to add.
> > >
> > > I just thought, ethereal is basically just a tool to read
> > > packets and analyze and display the data it contains.
> > > Currently ethereal only reads packets from network devices. I
> > > cant see it impossible (in theory) to also include other
> > > types of packet interfaces/devices as say
> > > SCSI/USB/firewire/IDE etc. They are conceptually similar, you
> > > send/receive packets. This might actually be extremely useful.
> > >
> > > If it was possible to access those interfaces (in promisc
> > > mode) in any way reasonable similar to netword devices
> > > wouldnt it be wild to capture packets on the USB interface?
> > > (might help the developers of linux/bsd usb drivers)
> > >
> > > I cant see why not...
> > >
> > >
> > >
> > > _______________________________________________
> > > Ethereal-dev mailing list
> > > Ethereal-dev@xxxxxxxxxxxx
> > > http://www.ethereal.com/mailman/listinfo/ether> eal-dev
> > >
> >
> > _______________________________________________
> > Ethereal-dev mailing list
> > Ethereal-dev@xxxxxxxxxxxx
> > http://www.ethereal.com/mailman/listinfo/ethereal-dev
>
> _______________________________________________
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> http://www.ethereal.com/mailman/listinfo/ethereal-dev
--- Asok the Intern ----------------------------------------
Ashok Narayanan
IOS Network Protocols, Cisco Systems
250 Apollo Drive, Chelmsford, MA 01824
Ph: 978-244-8387. Fax: 978-244-8126 (Attn: Ashok Narayanan)
