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Date: Thu, 2 Feb 2017 14:08:06 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Problems with ssh-host-config on Windows 10
Message-ID: <20170202130806.GC4310@calimero.vinschen.de>
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On Feb  2 12:19, Erik Bray wrote:
> Hi all,
>=20
> I've been trying to get a Cygwin sshd server running on a Windows 10
> VM, and have found it to be surprisingly tricky without some
> additional fiddling, and it's not clear to me whether that's expected
> or if it's a bug.  I've attached the cygcheck output from the VM.
>=20
> The symptom I've having seems to be the same as in this post:
>=20
> https://cygwin.com/ml/cygwin/2015-06/msg00265.html
>=20
> The problem seems to be stemming from some assumptions in:
> /usr/share/csih/cygwin-service-installation-helper.sh
>=20
> It creates the "privileged user" (in my case with the default name
> cyg_server) with `net user`, including the SAM comment entry:
>=20
> /comment:'<cygwin home=3D"/var/empty" shell=3D"/bin/false"/>'
>=20
> Shortly after it calls:
>=20
> passwd -e "${csih_PRIVILEGED_USERNAME}"
>=20
> and this fails with:
>=20
> Warning: Setting password expiry for user 'desktop-mk2koav+cyg_server' fa=
iled!
>=20
> This happens because this is a fresh Cygwin install with all the
> default settings in /etc/nsswitch.conf.  In particular, no passwd
> entry is found for the cyg_server user unless I explicitly add "local"
> to db_enum.  Furthermore, the SAM comment entry is not read correctly
> without db_home: desc and db_shell: desc.  In summary, I had to edit
> /etc/nsswitch.conf to:
>=20
> passwd db
> db_enum: local
> db_home: desc
> db_shell: desc

The assumption in ssh-host-config is that your nsswitch.conf settings
are already correct.  It's kind of tricky to set up accounts and stuff
in a not yet configured environment.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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