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Date: Wed, 12 Dec 2012 00:27:11 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: OpenCL kernel search path
On 12 Dec, 2012, at 0:09 , Solar Designer <solar@...nwall.com> wrote:
> There was also:
>
> <hacktalkblog> @solardiz Having some issues with Jumbo 7 OpenCL support in Mac OSX 10.8.2 with ATI Radeon late 2011 macbook pro http://pastebin.com/dPbNDCiE
>
> The pastebin gives:
>
> [00:09:24 connection@...DOS.local:~]$ john -form:raw-md5-opencl --device:1 crackme/md5test.txt
> OpenCL platform 0: Apple, 2 device(s).
> Using device 1: ATI Radeon HD 6770M
> OpenCL error (UNKNOWN ERROR :() in file (common-opencl.c) at line (39) - (Source kernel not found!)
>
> Looks like "john" was found via PATH, in which case argv[0] does not
> give the path to the run directory... or/and maybe the directory did not
> contain the OpenCL kernels in this specific case.
>
> I am not sure what we want to do about this, if anything. For
> non-system-wide builds/installs, we can simply state that "john" should
> be invoked with the path specified (at least relative to cwd) - e.g.,
> "./john" in the run directory or "../run/john" if invoking from src.
Yes. Just a documentation issue. OTOH we could add a path in john.conf, for users wanting to place stuff in some specific place. But that might clash with systemwide.
> We'll need to support system-wide installs with OpenCL kernels, though.
> I recall that this topic was brought up on john-users in Gentoo package
> context, but I don't recall whether there was any conclusion or
> determination.
To my surprise it was reported as working fine, with no tweaks. Everything ends up in the /etc direcory if memory serves me, and is found.
magnum
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