From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: Miquel van Smoorenburg <miquels@cistron.nl>
Cc: linux-kernel@vger.kernel.org
Subject: Re: System call wrapping
Date: Tue, 22 Oct 2002 16:02:42 +0200 [thread overview]
Message-ID: <20021022160242.A1575@bitwizard.nl> (raw)
In-Reply-To: <ap1g9a$pso$1@ncc1701.cistron.net>
On Mon, Oct 21, 2002 at 06:16:10PM +0000, Miquel van Smoorenburg wrote:
> What is wrong with a preloaded library (by means of /etc/ld.so.preload)
> that intercepts open at the library level (and calls the real open()
> using RLTD_NEXT) ? Just let it talk over a unix socket to your
> scanner server.
Because you want to intercept ALL "open" system calls, not just those
of "friendly" users who agree to set LD_PRELOAD.
Roger.
--
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
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next prev parent reply other threads:[~2002-10-22 13:56 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-21 17:42 System call wrapping Henrý Þór Baldursson
2002-10-21 18:12 ` Alan Cox
2002-10-21 18:16 ` Miquel van Smoorenburg
2002-10-21 18:33 ` Karim Yaghmour
2002-10-22 14:02 ` Rogier Wolff [this message]
2002-10-21 20:14 ` Rik van Riel
2002-10-21 20:33 ` Lucio Maciel
2002-10-22 5:19 ` Greg KH
2002-10-22 1:01 ` jw schultz
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