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Date: Thu, 29 May 2003 07:34:17 -0400 (EDT)
From: "Richard B. Johnson" <root@chaos.analogic.com>
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To: =?iso-8859-1?q?mounir=20tahar=20abbes?= <mtaharabbes@yahoo.fr>
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Subject: Re: help  in tcp/ip
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On Thu, 29 May 2003, [iso-8859-1] mounir tahar abbes wrote:

> hello
> i want to modify the tcp_sendmsg in tcp.c for linux
> kernel 2.4.3
> in order to display the message sent and compress it
> -firs: i want to read the message sent and put it in a
>  text file.
>

Get a copy of the tcpdump source-code and see how it's done.
You do __not__ read/write files inside the kernel. You use
an external process `daemon` that writes files containing
stuff that came from inside the kernel.

Cheers,
Dick Johnson
Penguin : Linux version 2.4.20 on an i686 machine (797.90 BogoMips).
Why is the government concerned about the lunatic fringe? Think about it.