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Date:      Wed, 28 Feb 2001 00:11:37 +0100
From:      Maxime Henrion <mux@qualys.com>
To:        hackers@freebsd.org
Cc:        Matt Dillon <dillon@earth.backplane.com>
Subject:   Re: talk(1) patch to allow 8bits characters
Message-ID:  <20010228001137.I345@nebula.cybercable.fr>
In-Reply-To: <200102272258.f1RMwmF67311@earth.backplane.com>; from dillon@earth.backplane.com on Tue, Feb 27, 2001 at 02:58:48PM -0800
References:  <20010227205309.D345@nebula.cybercable.fr> <200102272258.f1RMwmF67311@earth.backplane.com>

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Matt Dillon wrote:
>    This is an extremely dangerous patch.  A number of terminal protocols 
>    have a 'talkback' escape sequence that allow you to write data
>    that the terminal then copies back as if someone typed it.  I remember
>    using this feature quite a lot while at Berkeley to, ah, break into
>    people's accounts :-)
> 
>    isprintf() is in there to prevent extranious escape sequences from 
>    blowing up the other guy's window.
> 						-Matt

I wasn't aware of this at all.  I will know now, thanks :-)

Maxime
-- 
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