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Subject: Re: Passthrough kernel module?
From: Gilad Ben-Yossef <gilad@benyossef.com>
To: David Lang <david.lang@digitalinsight.com>
Cc: linux-kernel@vger.kernel.org
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Date: 09 Jun 2002 15:55:02 +0300
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On Sat, 2002-06-08 at 23:24, David Lang wrote:
> I am attempting to reverse engineer the interface for a piece of equipment
> and it would be extreamly handy to have a kernel module that I could load
> that I could then point a /dev entry and and have the module echo
> everything that is sent to it (reads/writes/ioctls) to the real device,
> recording the request and response.
> 
> Does such a module exist? Is there a better way to do this that I'm
> missing?

Much better way:

1. Grab the CVS version of syscall-track from
http://syscalltrack.sourceforge.net/ (AFAIK the stable version doesn't
support read/write yet).
2. Define logging rules on read/write/ioctl on the specific device.
3. Enjoy ;-)

Gilad.

-- 
Gilad Ben-Yossef <gilad@benyossef.com>
Code mangler, senior coffee drinker and VP SIGSEGV
Qlusters ltd.

"A billion flies _can_ be wrong - I'd rather eat lamb chops than shit."
	-- Linus Torvalds on lkml




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