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Date: Sat, 07 May 2011 20:59:12 +0200
From: magnum <rawsmooth@...dband.net>
To: john-dev@...ts.openwall.com
Subject: Re: Plumbing changes [moved from john-users]
On 2011-05-07 20:14, jfoug wrote:
> I wonder if this could be done:
>
> Add some code in Makefile (or build a script that is run by a rule in
> Makefile), using grep and sed or awk to pull the names of the format
> structures, and possibly even the names of the format 'signatures', out of
> the *_fmt.c files ? In this way, there would be few, or no format
> structures in john.c (or the options.c), and would be a .h file 'built' by
> the maker, similar to how arch.h is made (but MUCH more complex than a
> simple cp command).
That's a cool idea. Just drop a new format file named *_fmt.c in the src
directory and rebuild. It doesn't even sound too hard to accomplish.
For Makefile, listing object files is easy:
$ ls -1 *_fmt.c | sed 's/\.c$/.o/'
AFS_fmt.o
BFEgg_fmt.o
BF_fmt.o
BSDI_fmt.o
c3_fmt.o
DES_fmt.o
DMD5_fmt.o
DOMINOSEC_fmt.o
EPI_fmt.o
HDAA_fmt.o
...
For the "extern struct fmt_main" and "john_register_one()", this rough
example line catches all 51 formats I had there:
$ grep struct *_fmt.c|grep =|grep fmt_main|grep -v pFmt|awk '{print $3}'
fmt_AFS
fmt_BFEgg
fmt_BF
fmt_BSDI
fmt_crypt
fmt_DES
fmt_DMD5
fmt_DOMINOSEC
fmt_EPI
fmt_HDAA
...
magnum
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