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Date: Mon, 24 Jun 2013 10:49:08 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: Fuzzing with regular expressions
On 24 Jun, 2013, at 8:43 , Jan Starke <jan.starke@...ofbed.org> wrote:
> rexgen does now support UTF-8 input, so for example
> rexgen 'M(ü|ö|ue|oe)ller'
> generates all 4 variants of this surname.
Considering users might not know which characters are multibyte or not, would
rexgen 'M[üö]ller'
work? I can accept if it doesn't but it's good to know. If the input line is first converted to UTF16 or UTF32 before parsing, this is probably not even a challenge, it should work just fine.
> In order to integrate rexgen into JtR, what was the necessary requirements
> to the library? I'm currently thinking of
> - state serialization (for "john --restore")
> - ... ?
>
> Can you give me a good starting point into john's code, to read how those
> features of password generators are invoked by john?
A very short file adding "mask mode" was given here:
http://www.openwall.com/lists/john-dev/2013/06/15/1
It lacks resume and some other stuff but it shows the basics. For complete modes with resume, progress and node/fork support, see mkv.c or inc.c. Or even wordlist.c but that file is a total mess in Jumbo :-)
magnum
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