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Date: Thu, 4 Jun 2015 17:25:15 -0400
From: Mathieu Laprise <>
Subject: Re: [Johnny] Task 1.6.1 Multiple cracking session management

On Thu, Jun 4, 2015 at 5:02 PM, Mathieu Laprise <>

> On Thu, Jun 4, 2015 at 2:56 PM, Shinnok <> wrote:
>> My original task was for supporting multiple cracking sessions via a
>> tabbed interface.
> Aleksey said:
>> Oh, does not it include running of multiple john instances at the same
>> time?
> Shinnok said:
>> No. There is one question regarding the implementation though. I was
>> hoping we could just use --session to do this, but then we'd either have to
>> teach Johnny to parse a .rec so that we can extract the options and
>> translate them to the UI on session restore or store them using QSettings
>> also.
> And in the thread about stdout/stdin Shinnok said :
>> After some more thought, we do have to figure out and start working on a
>> solution for both stdout and stdin. For the latter, if we take into
>> consideration the concurrent cracking sessions feature, both of these:
>> 1. kill process group on *nix for FORK case
>> 2. ConsoleCtrlEvent CTRL_C_EVENT on Windows
> Will fail dramatically by killing all spawned JtR attack sessions. So for
>> the future, the ability to send q to a JtR session is critical, amongst
>> other needs
> I'm really confused, the first two messages from the proposal discussion
> lead me to believe we always have only one instance of john running even
> though we have multiple tabs, and the new message from the stdin/stdout
> thread leads me to believe the opposite.
Is your plan to start ./john --session=1 --format=aix-smd5
/home/math/pw1.txt ; ./john --session=2 --format=aix-smd5
/home/math/pw1.txt etc... running at the same time ? It's the same john
executable but we have multiple "john process" running.

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