Missing environment variables when ssh'ing into Windows machine

cygwin@kosowsky.org cygwin@kosowsky.org
Fri Jan 3 15:45:00 GMT 2020


cygwin@kosowsky.org wrote at about 01:59:19 -0500 on Friday, January 3, 2020:
 > 
 > The Windows variables $USERNAME, $USERPROFILE and $USERDOMAIN are set properly
 > when opening a cygwin bash shell on a Windows 10 machine.  
 > 
 > However when I *ssh* into that same machine (under the same user name),
 > the variables are unset in the bash shell.
 > 
 > More generally, it seems that none of my Windows User variables are
 > set under a remote ssh bash shell while they are all inherited properly
 > when opening a cygwin bash shell directly on the machine.
 > 
 > I have not had that problem in the past on my other (older) Windows
 > machine
 > The only differences that come to mind are:
 > 1. The other machine is Win7 and not Win10
 > 2. On this (Win10) machine I installed cygwin as a non-admin while the
 >    Win7 machine was installed with admin privileges
 > 3. Because of #2, I start ssh on the Win 10 machine by running
 >    /usr/sbin/sshd manually as a user, while on Win 7, I am able to
 >    start sshd as a service, running as SYSTEM
 > 4. This (Win10) machine doesn't have an /etc/passwd file whereas the
 >    Win7 machine does.
 > 
 > I am assuming that #3 may be the source of the problem...
 > 
 > Still seems strange that these seemingly very basic Windows variables
 > are not available under ssh.
 > 
 > Any way to fix this?
 > 

Said another way,  assuming that the issue is my non-admin Cygwin
install and my attendant need to run 'sshd' manually rather than as
service, what can I do to best 'fake' running 'sshd' as a service that
will allow it to load the environment variables automatically.

For 'cleanliness' and 'consistency' purposes, I would like to do that
as a wrapper around the call to 'sshd' rather than by tampering with
/etc/sshd_config and /etc/sshd_config or by manually recreating and exporting the
Windows variables in .bashrc or .bash_profile. In other words, I want
to keep my standard installation configuration as clean and unchanged
as possible.

Thanks,
Jeff

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