Date: Tue, 28 Apr 2015 21:58:23 +0200 From: Frank Dittrich <frank.dittrich@...lbox.org> To: john-dev@...ts.openwall.com Subject: Re: [Johnny] Task 1.4.2 fork and OpenMP On 04/28/2015 08:53 PM, magnum wrote: > On 2015-04-28 15:23, Frank Dittrich wrote: >> While jumbo had fork for a while, older core versions didn't have --fork. >> So you might need to check whether john supports --fork. >> You need to parse john's usage output, and (for jumbo), the >> --list=hidden-options output. > > But seriously, it's a massive waste of time caring about supporting pre- > 1.8.0 (and 1.8.0-jumbo-1) versions. May be we need to check which john versions are packaged for various popular (LTS) Linux distros. But meanwhile even Fedora 20 (soon to reach end-of-life, shortly after Fedora 22 is released) includes a core john 1.8.0 version (with --fork support). Fedora 22 also includes a core john version 1.8.0 (no OMP). What about Ubuntu? But since even Debian stable contains john-1.8.0-2 according to https://packages.debian.org/stable/allpackages, we are probably OK if we just assume --fork is supported. OTOH, for other features (--regex etc), we need to parse john's usage output and --list= output anyway, so we might as well use the same logic to detect whether or not --fork is supported. Or Johnny might suggest to upgrade john if the version is too old. IMHO all this is of very low priority, getting --fork supported if it exists is much more important. Shinnok or Aleksey should have the final say here. Frank
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