linux-kernel - Re: [PATCH] Audit: Add TTY input auditing

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Date:	Thu, 07 Jun 2007 21:28:39 +0200
From:	Miloslav Trmac <mitr@...hat.com>
To:	casey@...aufler-ca.com
CC:	Steve Grubb <sgrubb@...hat.com>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>, dwmw2@...radead.org,
	linux-kernel@...r.kernel.org, Alan Cox <alan@...hat.com>,
	Alexander Viro <aviro@...hat.com>
Subject: Re: [PATCH] Audit: Add TTY input auditing

Casey Schaufler napsal(a):
>> If we do not get commands typed at a prompt, we have to audit by execve. 
> I would suggest that you'll have to do that as well so that you can tell
> the difference between typed actions like these:
> 
> # cat > /dev/null
> badprogram --badthing --everyone
> ^D
> #
> 
> # badprogram --badthing --everyone
> 
> where the same typed line is a Bad Thing in one case and completely
> irrelevent in the other.
The proposed patch audits each process separately, and includes a part
of the command name in the audit event, so it is easy to distinguish
between data entered into (cat > /dev/null) and the shell.

The command name can be faked, but the actions necessary to fake the
command name would be audited.
	Mirek
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