Re: How to spawn a session in new window using expect?

"chets" == chets <chetankv@xxxxxxxxx> writes:

chets> On Oct 24, 12:45 pm, h...@xxxxxxxxx (Hugo Villeneuve) wrote:
>> chets <cheta...@xxxxxxxxx> wrote: > Hi,
>>
>> > i want to ssh a new session in GUI window.
>>
>> > for that we can use xterm here.
>>
>> > eg: xterm -e ssh root@hostname > will open new window asking for
>> password.
>>
>> > now i got stucked b/w xterm & expect
>>
>> > when i click button im getting a new window asking for password,
>> but i > want to proceed without manually entering password. >
>> i.e. i'll provide password using expect in script but this is not >
>> working:
>>
>> > log_user 0 > set timeout 3 > set id [exec xterm -e ssh $host] >
>> expect -i $id -re "Password: " > exp_send -i $id "abcd123\r" >
>> interact
>>
>> > on executing this a new window will open,but it hungs asking for
>> > password > i don't know is e xpect is not working or exp_send is
>> not sending > password
>>
>> xterm open its own pseudo-terminal for the -e command (or shell) to
>> run into.
>>
>> It's unrelated to pseudo-terminal expect setup for sub-programs use
>> (because it's their stdin/stdout/stderr).
>>
>> Thus expect as no control and no idea about what's happening inside
>> the xterm.
>>
>> You could run another expect script for the -e command.
>>
>> Or ask xterm to re-use expect's pseudo-terminal (-S switch) and
>> have expect control everything you'll see inside the xterm. I
>> remember this is documented in my Expect book but it's at work :(
>> and I'm rusty on my expect and tcl skills.
>>
>> Although, in your situation, I would probably just set up ssh keys
>> without password rather than hard-coding a remote password into a
>> script.
>>
>> That's if running ssh-agent/ssh-add over my entire X session wasn't
>> pratical.
>>
>> Good luck with your project.
>>
>> I was gonna say this isn't a expect group but there isn't seem to
>> be one. Although "comp.lang.tcl" might come close.

chets> Hay Thanks alot for the response, will try with ur suggestions
chets> hope i will succeed...

http://www.snailbook.com/faq/no-passphrase.auto.html

--
Richard Silverman
res@xxxxxxxx

.