Mail Archives: cygwin/1998/01/05/14:05:50
Hello Derek,
No I'm not using x stuff.
Let's try this all on your PC.
Try:
1st window
../sshd -d
2nd window
env|grep HOST
(for bash)
export CYGWIN_TITLE=1
export CYGWIN_TTY=1
export DISPLAY='yourhost:0.0'
export TERM=linux #this may not be necessary
../ssh -v yourhost
This should work. I do have DISPLAY set but I didn't know it mattered.
Let me know. I'm not at my PC right now so I can't test this out myself.
Pat
On Mon, 5 Jan 1998, Derek Young wrote:
> I followed all your instructions and everything seems to be set up OK.
>
> I was able to fix the problem where the server said "bad modes for /derek".
> StrictModes was turned on in the /etc/ssh_config file. I turned this off
> temporarily.
>
> I am still getting the "You have no controlling tty and no DISPLAY. Cannot
> read passphrase" error message. I've traced this down to readpass.c. It's
> trying to open /dev/tty.
>
> if (from_stdin)
> f = stdin;
> else
> {
> /* Read the passphrase from /dev/tty to make it possible to ask it even
> when stdin has been redirected. */
> f = fopen("/dev/tty", "r");
> if (!f)
> {
> if (getenv("DISPLAY"))
> {
> // read via display
> // .... [ommitted] ...
> }
>
> /* No controlling terminal and no DISPLAY. Nowhere to read. */
> fprintf(stderr, "You have no controlling tty and no DISPLAY. Cannot
> read passphrase.\n");
> exit(1);
> }
> }
>
> The code is trying to open /dev/tty, which fails. If I have DISPLAY set to
> something, ssh tries running ssh-askpass to prompt for the password on an X
> display. This program complains about X11.dll (or something like that) not
> being found (I'm not running X).
>
> I read in a previous message you could do "mount con /dev/tty" to simulate a
> tty, but this didn't work for me.
>
> I'm guess that you might be running X and that's why this works for you? Have
> any ideas on a workaround for getting /dev/tty to work? I suppose I could
> apply the patches to ssh and recompile it, but if there's an easier work
> around I'd rather not.
>
> Thanks again for your help.
>
> -- Derek Young
>
> Patrick J. Fay wrote:
>
> > Hello Derek,
> > Do on the pc:
> > mkdir /derek/.ssh
> > ssh-keygen
> > tell it to put the file in /derek/.ssh/identity
> > give it a passphrase.
> > ftp (or somehow get) your new identity* files to the other
> > host in your otherhost:~derek/.ssh/identity*
> > copy the ~/.ssh/identity.pub file to ~/.ssh/authorized_keys
> > Note that each system that you want to ssh to will need a copy
> > of your identity.pub in it's authorized_keys.
> > That is how it 'knows' who to let in.
> > Try that and let me know what happens. You should get further anyway.
> > Pat
> >
> > On your pc (or on a host with ssh-keygen) you need to run ssh-keygen
> > On Mon, 5 Jan 1998, Derek Young wrote:
> >
> > > Hello, I have just installed the ssh/sshd software made available from
> > > http://gnu-win32.paranoia.ru/ , but I have not been able to get it to
> > > work. I changed my mounts to binary, set up the sshd config files, and
> > > started sshd. I have Sergey's coolview DLL installed. I would like to
> > > get this working so I can use it with CVS.
> > >
> > > When I run ssh, I get the message "You have no controlling tty and no
> > > DISPLAY. Cannot read passphrase." Do I need some special environment
> > > variables set to run this? I've also tried starting with the -t
> > > command, but this has the same effect.
> > >
> > >
> > > I am running ssh from a regular command prompt (not bash or tcsh). Even
> > > if I run under bash I get the same error message. I have run ssh-keygen
> > > to create my key in my .ssh directory.
> > >
> > > I started sshd with the -d command to get debugging info. After sshd
> > > starts up with this...
> > >
> > > debug: sshd version 1.2.21 []
> > > debug: Initializing random number generator; seed file
> > > /etc/ssh_random_seed
> > > log: Server listening on port 22.
> > > log: Generating 768 bit RSA key.
> > > Generating p: ..........++ (distance 168)
> > > Generating q: ................++ (distance 184)
> > > Computing the keys...
> > > Testing the keys...
> > > Key generation complete.
> > > log: RSA key generation complete.
> > >
> > > ... and I run ssh I get this output from sshd...
> > >
> > > debug: Server will not fork when running in debugging mode.
> > > log: Connection from 24.128.36.106 port 3539
> > > debug: Client protocol version 1.5; client software version 1.2.21
> > > debug: Sent 768 bit public key and 1024 bit host key.
> > > debug: Encryption type: idea
> > > debug: Received session key; encryption turned on.
> > > debug: Attempting authentication for dyoung.
> > > log: Rsa authentication refused for dyoung: bad modes for /derek
> > > debug: RSA authentication for dyoung failed.
> > > fatal: Connection closed by remote host.
> > > debug: Calling cleanup 0x40e9e4(0x0)
> > >
> > >
> > > I don't know what "bad modes for /derek" means (/derek is my home
> > > directory). Do I need some special permissions on this directory? This
> > > directory is listed in my /etc/passwd file as well. sshd and ssh were
> > > started as the same user, and I'm also trying to login with this user
> > > name.
> > >
> > > Have I missed something?
> > >
> > > thanks for any help,
> > >
> > > -- Derek Young
> > >
> > >
> > >
> > >
> >
> > Patrick Fay, Ph.D., Intel Corp. email: pfay AT co DOT intel DOT com
> > Los Alamos National Lab wk: (505) 665-9141
> > CTI M.S. B296 fax: (505) 667-5921
> > Los Alamos NM 87545 ASCI-RED http://www.acl.lanl.gov/~pfay/teraflop
>
>
>
>
Patrick Fay, Ph.D., Intel Corp. email: pfay AT co DOT intel DOT com
Los Alamos National Lab wk: (505) 665-9141
CTI M.S. B296 fax: (505) 667-5921
Los Alamos NM 87545 ASCI-RED http://www.acl.lanl.gov/~pfay/teraflop
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