Mail Archives: cygwin/2004/12/29/07:53:25
On Dec 29 14:14, Ehud Karni wrote:
> On Tue, 28 Dec 2004 22:39:42 -0500, Pierre A. Humblet <XXXXXX DOT XXXXXXt AT XXXX DOT XXX> wrote:
http://cygwin.com/acronyms/#PCYMTNQREAIYR
> > See last sentence in
> > http://cygwin.com/faq/faq_2.html#SEC18
>
> This last sentence needs a correction: If there is no /etc/passwd ssh
> will use the supplied$ HOME.
>
> I would replace the faq sentence with: "Note that ssh disregard `HOME'
> if /etc/passwd does exist."
>
> I have checked this situation many times, as I make a minimal ssh
> distribution (that can be run from a CD/flash) that run on machines
> where Cygwin is not installed (and consequently - no mounts and
> no /etc/passwd).
Well, it's a bit more tricky than that. On a non-Cygwin system you'd
see it immediately. On Cygwin it's different since Cygwin *fakes* an
/etc/passwd entry for the current user if it can't find /etc/passwd.
While doing that, it evaluates the pw_dir entry by looking for $HOME in
the current environment. If there's no $HOME, it looks for $HOMEDRIVE
and $HOMEPATH instead.
On my system $HOME doesn't exist, so it looks for $HOMEDRIVE and $HOMEPATH.
These variables still point to the Windows default home directory, which
I don't use under Cygwin. Consequentially the faked pw_dir entry points
to a directory which has no .ssh subdir. As a result, ssh doesn't find
any key files etc.
So, even though it looks different on Cygwin, ssh does actually not use
the value of $HOME.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Project Co-Leader mailto:cygwin AT cygwin DOT com
Red Hat, Inc.
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