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To: cygwin@cygwin.com
From: Achim Gratz <Stromeko@NexGo.DE>
Subject: Re: Windows Server 2012R2 64bit and 32bit Cygwin sshd
Date: Wed, 3 Sep 2014 07:17:04 +0000 (UTC)
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References: <8761hphfps.fsf@Rainer.invalid> <loom.20140902T134545-288@post.gmane.org> <20140902140751.GD6056@calimero.vinschen.de> <loom.20140902T171114-72@post.gmane.org> <20140902153757.GE6056@calimero.vinschen.de>
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Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> Don't use privilege separation, then the non-privileged sshd user won't
> matter at all.  Privsep on Cygwin is only half-useful on Cygwin anyway,
> if at all.

I've switched privilege separateion off completely, but no dice.  The Access
Denied comes from trying to switch from primary group "MACHINE+None" to
"Domain Users".  That is expected to happen, what I still don't get is why
the parent process winds up with the exception instead of the originating
process as on 64bit.

> As for the local cyg_server account, I'm not sure.  Usually,
> a local machine account has no or only limited access to AD information.
> As an account which needs AD to get user information it's a bit
> unfortunate if it doesn't have access.

When the process comes to this point it has already verified the user via AD.

> The strace shows that it doesn't even *try* to start bash, but it's
> entirely unclear why.

Is it possible to run sshd in gdb?


Regards,
Achim.


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