Re: Intercepting system calls

From: richard -rw- weinberger
Date: Thu Dec 22 2011 - 11:42:52 EST


On Thu, Dec 22, 2011 at 5:07 PM, Gaurav Saxena <grvsaxena419@xxxxxxxxx> wrote:
> Hello all,
>
> I am writing an application for which I need to intercept some
> filesystem system calls eg. unlink. I need unlink to call my code
> before deleting abc so that I could probably prevent unlink . I would
> like to implement this in a kernel module instead of modifying kernel
> code itself. I would like to intercept system calls by replacing
> system calls but I have not been able to find any method of doing that
> in linux > 3.0. Please suggest some method of doing that.
>

Intercepting system calls is very bad, don't do it.

--
Thanks,
//richard
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