Re: Problems with ssh-host-config on Windows 10

[Corinna Vinschen <corinna-cygwin@cygwin.com>]

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On Feb  2 12:19, Erik Bray wrote:
> Hi all,
> 
> 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.
> 
> The symptom I've having seems to be the same as in this post:
> 
> https://cygwin.com/ml/cygwin/2015-06/msg00265.html
> 
> The problem seems to be stemming from some assumptions in:
> /usr/share/csih/cygwin-service-installation-helper.sh
> 
> It creates the "privileged user" (in my case with the default name
> cyg_server) with `net user`, including the SAM comment entry:
> 
> /comment:'<cygwin home="/var/empty" shell="/bin/false"/>'
> 
> Shortly after it calls:
> 
> passwd -e "${csih_PRIVILEGED_USERNAME}"
> 
> and this fails with:
> 
> Warning: Setting password expiry for user 'desktop-mk2koav+cyg_server' failed!
> 
> 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:
> 
> 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

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

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