Messages in this thread |  | | Date | Wed, 13 Apr 2011 08:46:00 -0700 | From | Greg KH <> | Subject | Re: [PATCH] Clean console safely |
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On Wed, Apr 13, 2011 at 05:33:59PM +0200, Petr Pisar wrote: > On Wed, Apr 13, 2011 at 08:01:13AM -0700, Greg KH wrote: > > On Wed, Apr 13, 2011 at 04:54:33PM +0200, Petr Písař wrote: > > > Traditional \E[2J sequence erases console display but scroll-back > > > buffer and underlying device (frame) buffer keep data that can be > > > accessed by scrolling console back. > > > > > > This patch introduce new \E[J parameter 3 that allows to scramble > > > scroll-back buffer explicitly. Session locking programs (screen, > > > vlock) can use it to prevent attacker to browse locked console > > > history. > > > > Is this also documented somewhere so that people know about it? > > > > > Not yet as this is fresh feature. I'd like to put few words into > console_codes(4). I guess manual sources are not part of Linux.
No they are not, they have their own maintainer and release schedule.
thanks,
greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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