linux-kernel - Re: Audit: Log TIOCSTI

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Message-ID: <20090324104332.GD5541@const.bordeaux.inria.fr>
Date:	Tue, 24 Mar 2009 11:43:32 +0100
From:	Samuel Thibault <samuel.thibault@...-lyon.org>
To:	Miloslav Trmac <mitr@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	James Morris <jmorris@...ei.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Audit: Log TIOCSTI

Hello,

Just a late follow-up.

From: Miloslav Trmac <mitr@...hat.com>
> (The only program I could find that uses TIOCSTI is mailx/nail in
> "header editing" mode, e.g. using the ~h escape. mailx is used very
> rarely, and the escapes are used even rarer.)

TIOCSTI is used daily by people typing on a braille device.  The brltty
daemon uses TIOCSTI to synthesize the keypresses.  Yes, it can also
use uinput (and it does) but not in all case: uinput doesn't permit
to synthesize an 'A' (I really mean an ascii 'A', not the key whose
physical position is the position of 'A' on a qwerty keyboard).

Samuel
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