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Date: Tue, 29 Aug 2006 10:21:48 -0700
From: "Grant Miller" <grantmiller1 AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Unable to automatically map a drive letter at login
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On 8/29/06, Larry Hall (Cygwin) <reply-to-list-only-lh AT cygwin DOT com> wrote:
> Grant Miller wrote:
> > My apologies if this question has been asked before.  I've spent a bit
> > of time searching through the mailing lists looking to see if someone
> > else has run into this issue.  I've seen similar issues, but no real
> > solutions provided.
> >
> > Okay, here we go.
> >
> > I have 3 Windows systems (XP Pro, 2003 Server, XP Pro 64bit) that all
> > have Cygwin installed on them.  Running uname -a returns:
> >
> > CYGWIN_NT-5.2 SMTWIN2 1.5.21(0.156/4/2) 2006-07-30 14:21 i686 Cygwin
> >
> > I have ssh installed on these systems and I'm running sshd on them as well.
> >
> > I have a Samba server that's the PDC for our little group of Windows
> > systems.  It's running on a Solaris 8 box.  We're running Samba v2.2.8
> > (I know, it's old).
> >
> > On the Windows systems, I setup users in /etc/passwd using "mkpasswd
> > -d DOMAIN -p /home -u username >> /etc/passwd".  I edited
> > /etc/password and changed the gid for the user from 11021 (some domain
> > GID) to 545 (local user GID).
> >
> > I can ssh into the Windows systems from my desktop (or any other
> > system in our environment) without any issues.  I have setup ssh keys
> > so that I can ssh into the Windows systems without having to supply my
> > password.  That works great.
> >
> > The next thing I wanted to do was to map drives from the Samba server
> > (particularly my home directory) when I ssh'd into the Windows
> > systems.  I created a simple file called mounts.bat in my cygwin home
> > dir on the Windows system that has a bunch of "net use" commands in
> > it:
> >
> > net use h: \\sambabox\grant
> > net use t:  \\sambabox\tools
> >
> > I call this script from my .bash_profile so it will map these drives
> > each time I login.
> >
> > I ssh into the system using my ssh keys and it's unable to map the drives:
> >
> > C:\cygwin\home\grant>net use h: \\sambabox\grant
> > System error 85 has occurred.
> >
> > The local device name is already in use.
> >
> >
> > If I move aside my ~/.ssh/authorized_keys file on the Windows system
> > and ssh in again (this time providing my password), it's able to map
> > the drives without any problem.
> >
> > At this point, I understand what's happening (99% sure).  When I login
> > without using ssh keys and provide my password, something (Cygwin,
> > Windows) is caching my password or login credentials and passing those
> > along to the net use command.
> >
> > When I use ssh keys and don't type in my password when logging in,
> > there's no password or whatever to pass along to net use.
> >
> >
> > The next thing I tried was setting my username and password in the net
> > use command.
> >
> > net use h: \\sambabox\grant  mypassword  /user:DOMAIN\grant /persistent:no
> >
> > I'm running into the same problems above.  This command fails when I
> > try to ssh in using ssh keys, but works when I provide a password.
> >
> > grant AT envy:~ % ssh windows2
> > Last login: Tue Aug 29 08:14:24 2006 from envy.apple.com
> > Fanfare!!!
> > You are successfully logged in to this server!!!
> >
> > C:\cygwin\home\grant>net use h: \\sambabox\grant mypassword
> > /user:DOMAIN\grant /persistent:no
> > System error 85 has occurred.
> >
> > The local device name is already in use.
> >
> > grant AT WINDOWS2:~%
> >
> > Net use shows that there's nothing else mounted:
> >
> > grant AT WINDOWS2:~% net use
> > New connections will not be remembered.
> >
> > There are no entries in the list.
> >
> >
> > The end goal for me is to setup these Windows systems so that multiple
> > people can login and get to their samba-mapped drives.  And to have it
> > work with ssh keys (no passwords) and automatically mapping the drives
> > at login.
> >
> > I have all the pieces working (multiple people logging in, ssh keys),
> > just not the final piece (ssh keys and automatically mapping drives).
> >
> > Sorry for being long-winded, I felt it was necessary to describe how I
> > have things setup and what I've done so far.
> >
> > If anyone can help with this, I would really appreciate it.
> >
> >
>
> Sounds like the drive you're selecting is already mapped by the server to
> your user.  If you cannot unmap it, try a different (and free) drive letter.
> Alternately, just omit the drive from your command and then access it with
> UNC paths or mount it somewhere in your POSIX file system.

I just rebooted one of the Windows systems and tried to SSH in to a
now clean system (nobody else logged in since booting) with ssh keys
and a script in my .bash_profile to attach to a drive letter and I got
the same error (System error 85 has occurred).

I also changed the drive letter the script was trying to map from h:
to q: (a random drive letter that I haven't used before) and I still
got the same error.

Omitting the drive letter and using UNC paths works, but it's not
going to be pretty.



-- 
- Grant Miller <grantmiller1 at gmail dot com>

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