[juneau-lug] Re: possible next months topic

  • From: James Zuelow <e5z8652@xxxxxxxxxx>
  • To: juneau-lug@xxxxxxxxxxxxx
  • Date: Thu, 19 Feb 2004 05:51:33 -0900

On Tue, 17 Feb 2004 22:13:09 -0900 (AKST)
"Myron Davis" <myrond@xxxxxxxxxxx> wrote:


> 
> If anybody would be interested I can put together somewhat a demo on how
> to write a kernel module and how to call it from a program.
> 
> (i.e., put in a backdoor shell into a kernel module, and how to write the
> C code to exploit it to get shell access on a system).
> 
> anyway thought it might be somewhat interesting and it would get me off my
> butt to do some more C programming.  :)
> 
> -Myron

That would be very cool Myron.  I won't be around next month, but I do have 
some interest in the subject.  This is way above my ability, but my goal is to 
write a driver for a NIC.

I've got a handful of Racore multi-personality NICs.  (9348? I can't remember 
the designation and they're boxed up right now.)  These use a TI Thunderlan 
chip to drive the 10/100 interface, and a swappable module you can pull out to 
give the card either an ethernet RJ-45 interface or a fiber optic ST interface. 
 The cards are supported in FreeBSD & various Linux distributions when you're 
using the ethernet module.  All the ones I have have the fiber module.  The 
thunderlan module loads, but then is unable to take advantage of the card.

I don't have any hardware info about the module, but I've been able to google 
for the various controller chips.  Apparently the one that controls the light 
signals is a fairly well known HP unit (more google hits for the HP chip than 
for the entire Racore card).

Anyway, something to kick around for a while.

Cheers,

James

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