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Date: Fri, 19 Dec 2014 19:31:34 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: bleeding-jumbo: john fails to show status on key press
On Thu, Dec 18, 2014 at 07:06:38AM -0900, Royce Williams wrote:
> For everything else that I know how to test, when running under sudo,
> even special/control key presses are being passed by sudo unmodified
> to the underlying executable. What is different about how john is
> listening for a key press?
Here's when/where/how we ran into this issue before, what we found out,
and how we tried working around it:
http://www.openwall.com/lists/john-dev/2013/07/17/2
Apparently, it's the "tcgetpgrp(fd) != getpid()" check. Unfortunately,
its introduction predates the CVS history (it's there since 1990s,
whereas JtR was put in a CVS repo in 2002), and I don't recall the
rationale behind it.
Alexander
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