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Date: Mon, 28 Jan 2013 18:04:20 -0800
From: Jeremiah Grossman <jeremiah.grossman@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Password Cracking a DMG...
On Mon, Jan 28, 2013 at 5:42 PM, Solar Designer <solar@...nwall.com> wrote:
> On Mon, Jan 28, 2013 at 05:24:30PM -0800, Jeremiah Grossman wrote:
> > Since none of the downloads listed here included dmg2john...
> > http://www.openwall.com/john/
>
> Confirmed that dmg support was added after jumbo-7, so it's not yet
> included in any jumbo release we've made.
>
> > @jmgosney recommended I use this, "jumbo-3 [magnum]", which did
> > include dmg2john.c.
> > https://github.com/magnumripper/JohnTheRipper
>
> Good. [ This is not jumbo-3, though. It's just that the README file
> specifically happened to be last modified at jumbo-3 time. ]
>
> > Once compiled with "macosx-x86-64" I applied your patch with "patch -N -i
> > dmg2john-1.diff"
> >
> > >$ make dmg2john
> >
> > gcc -Wall dmg2john.c -lm -o ../run/dmg2john
> > Undefined symbols for architecture x86_64:
> > "_main", referenced from:
> > start in crt1.10.6.o
> > ld: symbol(s) not found for architecture x86_64
> > collect2: ld returned 1 exit status
> > make: *** [dmg2john] Error 1
> >
> > Not exactly sure if I did something wrong, or a bug in the patch.
>
> Did the patch apply cleanly?
>
> Were you able to compile dmg2john before applying this patch, on this
> very same system?
>
> This is puzzling. The above looks more like an issue with your Xcode
> setup than anything else, but if you are able to build dmg2john without
> the patch on this same system then it's something else...
>
> Alexander
>
Frustrating. A fresh build of JtR, same system, same distribution. When
performing a "make dmg2john"...
gcc -Wall dmg2john.c -lm -o ../run/dmg2john
Undefined symbols for architecture x86_64:
"_main", referenced from:
start in crt1.10.6.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
make: *** [dmg2john] Error 1
I did not get this error earlier. I know because I was actually running the
dmg2john binar. I've no idea why this is occurring now. So yes, something
is probably up with my system. Trying to isolate the problem.
Regards,
Jeremiah-
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