paramiko

Tarun Kapoor tarun.kap at gmail.com
Wed Jan 16 19:02:15 CET 2008


On Jan 16, 11:38 am, "Guilherme Polo" <ggp... at gmail.com> wrote:
> 2008/1/16, Tarun Kapoor <tarun.... at gmail.com>:
>
>
>
> >     # now, connect and use paramiko Transport to negotiate SSH2 across
> > the connection
> >     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
> >     sock.connect((hostname, port))
>
> >     t = paramiko.Transport(sock)
> >     t.start_client()
> >     key = t.get_remote_server_key()
>
> >     event = threading.Event()
> >     t.auth_password(username=username, password=password, event=event)
> >     event.wait()
>
> >     if not t.is_authenticated():
> >         print "not authenticated"
>
> > output:
> > not authenticated
>
> This is a different problem I guess, now you are usin get_remote_server_key.
> And why are you creating event after calling start_client without
> specifying it ?
>
>
>
>
>
> > On Jan 16, 11:11 am, "Guilherme Polo" <ggp... at gmail.com> wrote:
> > > 2008/1/16, Tarun Kapoor <tkap... at wscm.net>:
>
> > > > I am using paramiko to do an SFTP file transfer... I was able to connect to
> > > > the remote server using an SFTP client I have just to make sure that
> > > > username and password are working.. This is the code.
>
> > > >     # now, connect and use paramiko Transport to negotiate SSH2 across the
> > > > connection
>
> > > >     sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
>
> > > >     sock.connect((hostname, port))
>
> > > >     t = paramiko.Transport(sock)
>
> > > >     event = threading.Event()
>
> > > >     t.start_client(event)
>
> > > >     event.wait(15)
>
> > > >     if not t.is_active():
>
> > > >         print 'SSH negotiation failed.'
>
> > > >         sys.exit(1)
>
> > > >     else:
>
> > > >         print "SSH negotiation sucessful"
>
> > > >     event.clear()
>
> > > >     t.auth_password(username=username, password=password,event=event)
>
> > > >     if not t.is_authenticated():
>
> > > >         print "not authenticated"
>
> > > > output:
>
> > > > SSH negotiation successful
>
> > > > not authenticated
>
> > > > Tarun
>
> > > > Waterstone Capital Management
>
> > > > 2 Carlson Parkway, Suite 260
>
> > > > Plymouth, MN 55447
>
> > > > Direct: 952-697-4123
>
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>
> > > You are missing an event.wait() after t.auth_password.
> > > Also, why are you passing this magic value "15" to event.wait() ? That
> > > parameter is passed to class _Verbose to indicate if debug messages
> > > should be displayed or not, so typical values would be 0/1 or
> > > False/True.
>
> > > --
> > > -- Guilherme H. Polo Goncalves
>
> > --
> >http://mail.python.org/mailman/listinfo/python-list
>
> --
> -- Guilherme H. Polo Goncalves


ok here is the problem... I don't know what is the correct way... The
only demos i have from the paramiko library use a hostkeyfile. since i
don't have that i thought i would use the get_remote_key to get the
key and then connect it using the code in the demo.. But clearly
nothing is working...I should not HAVE to use the key since i should
be able to authenticate using the password...

Can you please suggest the right way to go ?

Thanks for your time !



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