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Date: Tue, 10 May 2011 21:17:38 +0200
From: magnum <rawsmooth@...dband.net>
To: john-dev@...ts.openwall.com
Subject: Re: Auto-format-list
On 2011-05-09 22:30, jfoug wrote:
> From: magnum Sent: Monday, May 09, 2011 3:04 PM
>> Actually just "-sub=LIST"
>> will do fine without giving -format at all.
>
> I think that is the best way to go. I will change it (or leave it for you
> to change, since you are working on that code).
I thought I should take at shorten the whole usage blob (in the same
patch as auto-formats-list) while I'm at it. The one printed from
Jumbo-2RC is 46 lines long and looks like this:
John the Ripper password cracker, version 1.7.7-jumbo-2
Copyright (c) 1996-2011 by Solar Designer and others
Homepage: http://www.openwall.com/john/
Usage: john-jumbo2rc1 [OPTIONS] [PASSWORD-FILES]
--config=FILE use FILE instead of john.conf or john.ini
--single[=SECTION] "single crack" mode
--wordlist=FILE --stdin wordlist mode, read words from FILE or stdin
--rules[=SECTION] enable word mangling rules for wordlist mode
--incremental[=MODE] "incremental" mode [using section MODE]
--markov[=LEVEL[:START:END[:MAXLEN]]] "Markov" mode (see documentation)
--external=MODE external mode or word filter
--stdout[=LENGTH] just output candidate passwords [cut at LENGTH]
--restore[=NAME] restore an interrupted session [called NAME]
--session=NAME give a new session the NAME
--status[=NAME] print status of a session [called NAME]
--make-charset=FILE make a charset, FILE will be overwritten
--show[=LEFT] show cracked passwords [if =LEFT, then uncracked]
--test[=TIME] run tests and benchmarks for TIME seconds each
--users=[-]LOGIN|UID[,..] [do not] load this (these) user(s) only
--groups=[-]GID[,..] load users [not] of this (these) group(s) only
--shells=[-]SHELL[,..] load users with[out] this (these) shell(s) only
--salts=[-]COUNT[:MAX] load salts with[out] at least COUNT passwords
only
(or in range of COUNT to MAX)
--pot=NAME pot file to use
--format=NAME force hash type NAME:
DES/BSDI/MD5/BF/AFS/LM/NT/XSHA/PO/raw-MD5/MD5-gen/
IPB2/raw-sha1/md5a/hmac-md5/phpass-md5/KRB5/bfegg/
nsldap/ssha/openssha/oracle/oracle11/MYSQL/
mysql-sha1/mscash/mscash2/lotus5/DOMINOSEC/
NETLM/NETNTLM/NETLMv2/NETNTLMv2/NETHALFLM/MSCHAPv2/
mssql/mssql05/epi/phps/mysql-fast/pix-md5/sapG/
sapB/md5ns/HDAA/DMD5/raw-md4/md4-gen/sha1-gen/crypt
--subformat=NAME Kept for 'legacy' reasons. md5-gen
subformats can
now be used within the 'format' switch.
If -format=md5 and -sub=LIST, then john will
show
all subformats (help mode), and exit
--save-memory=LEVEL enable memory saving, at LEVEL 1..3
--mem-file-size=SIZE max size a wordlist file will preload into memory
(default 5,000,000 bytes)
--field-separator-char=c Use 'c' instead of the ':' for processing fields
(input file, pot file, etc)
--fix-state-delay=N only determine the wordlist offset every N times
It is a performance gain to delay a while
(say 100 loops for a fast algorithm).
For slow algorithms it should not be used.
The current one in my tree looks like this (38 lines):
John the Ripper password cracker, version 1.7.7-jumbo-2RC++
Copyright (c) 1996-2011 by Solar Designer and others
Homepage: http://www.openwall.com/john/
Usage: john [OPTIONS] [PASSWORD-FILES]
--config=FILE use FILE instead of john.conf or john.ini
--single[=SECTION] "single crack" mode
--wordlist=FILE --stdin wordlist mode, read words from FILE or stdin
--rules[=SECTION] enable word mangling rules for wordlist mode
--incremental[=MODE] "incremental" mode [using section MODE]
--markov[=LEVEL[:START: "Markov" mode (see documentation)
END[:MAXLEN]]]
--external=MODE external mode or word filter
--stdout[=LENGTH] just output candidate passwords [cut at LENGTH]
--restore[=NAME] restore an interrupted session [called NAME]
--session=NAME give a new session the NAME
--status[=NAME] print status of a session [called NAME]
--make-charset=FILE make a charset, FILE will be overwritten
--show[=LEFT] show cracked passwords [if =LEFT, then uncracked]
--test[=TIME] run tests and benchmarks for TIME seconds each
--users=[-]LOGIN|UID[,..] [do not] load this (these) user(s) only
--groups=[-]GID[,..] load users [not] of this (these) group(s) only
--shells=[-]SHELL[,..] load users with[out] this (these) shell(s) only
--salts=[-]COUNT[:MAX] ony load salts with[out] COUNT [to MAX] hashes
--pot=NAME pot file to use
--format=NAME force hash type NAME:
des/bsdi/md5/bf/afs/lm/nt/xsha/mscash/mscash2/hmac-md5
po/raw-md5/phpass-md5/dmd5/ipb2/raw-sha1/sha1-gen
raw-md4/md4-gen/krb4/krb5/nsldap/ssha/openssha/bfegg
oracle/oracle11/mysql/mysql-sha1/lotus5/dominosec
netlm/netntlm/netlmv2/netntlmv2/nethalflm/mschapv2
mssql/mssql05/epi/phps/mysql-fast/pix-md5/sapg/sapb
md5ns/hdaa/crypt/dummy/md5-gen(n)
--subformat=LIST get a listing of all md5_gen(n) formats
--save-memory=LEVEL enable memory saving, at LEVEL 1..3
--mem-file-size=SIZE size threshold for wordlist preload (5 MB)
--field-separator-char=c use 'c' instead of the ':' in (input and pot files
--fix-state-delay=N performance tweak, see documentation
Apart from ALL descriptions now being one line (except Markov that
increased to two-line) I also decreased the indentation for the second
"column" by one character (will shorten the format list by one line when
it's "on the edge"). Anyone unhappy with this change, or wanting
something differently worded, speak out.
Also, I have experimental code that keeps the format list uppercased
where it used to be. This is more intrusive than the current patch
(touches each of those formats) and the risk of introducing a bug raises
a little (*all* compares with format->params-label must ignore case, as
the structs will not be lowercase any longer). It is probably not worth
it, any comments on this? Actually the lowercased list may be easier to
read.
magnum
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