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The telnet login fails if the user has no password
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The telnet login fails if the user has no password lovecreatesbea...@gmail.com 05-28-2008
Posted by lovecreatesbea...@gmail.com on May 28, 2008, 10:30 pm
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 The telnet login fails if the user has no password. I mean the user is
not prompted with the ``Password:'' string and log in, as shown in
below case 2.

        $cnn->login($user, $pass);

It works in case 1. How can I make a script work with both cases?

Thank you.



CASE 1:

$ telnet 192.168.4.30
Trying 192.168.4.30...
Connected to 192.168.4.30.
Escape character is '^]'.

login: guest
Password:
[guest@BS2000e-1 ~]$ exit
logout
Connection closed by foreign host.
$


CASE 2:

$ telnet 192.168.5.10
Trying 192.168.5.10...
Connected to 192.168.5.10.
Escape character is '^]'.

login: guest
[guest@BS3000e-0 test]$ exit

logout
Connection closed by foreign host.
$

Posted by Ben Morrow on May 28, 2008, 11:00 pm
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> The telnet login fails if the user has no password.

I sincerely hope you have good firewalls, if you are allowing telnet
logins without a password.

> I mean the user is not prompted with the ``Password:'' string and log
> in, as shown in below case 2.
>
> $cnn->login($user, $pass);
>
> It works in case 1. How can I make a script work with both cases?

As it says in the docs, if ->login doesn't do what you want, use ->print
and ->waitfor instead.

Ben

--
Every twenty-four hours about 34k children die from the effects of poverty.
Meanwhile, the latest estimate is that 2800 people died on 9/11, so it's like
that image, that ghastly, grey-billowing, double-barrelled fall, repeated
twelve times every day. Full of children. [Iain Banks] ben@morrow.me.uk

Posted by lovecreatesbea...@gmail.com on May 28, 2008, 11:40 pm
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>
> > The telnet login fails if the user has no password.
>
> I sincerely hope you have good firewalls, if you are allowing telnet
> logins without a password.
>
> > I mean the user is not prompted with the ``Password:'' string and log
> > in, as shown in below case 2.
>
> > $cnn->login($user, $pass);
>
> > It works in case 1. How can I make a script work with both cases?
>
> As it says in the docs, if ->login doesn't do what you want, use ->print
> and ->waitfor instead.
>

Thanks, I just read it. Does ->print display password on terminal and
anybody sees it? Does the ->login work this way also?

Posted by J. Gleixner on May 29, 2008, 12:12 pm
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lovecreatesbea...@gmail.com wrote:
>>
>>> The telnet login fails if the user has no password.
>> I sincerely hope you have good firewalls, if you are allowing telnet
>> logins without a password.
>>
>>> I mean the user is not prompted with the ``Password:'' string and log
>>> in, as shown in below case 2.
>>> $cnn->login($user, $pass);
>>> It works in case 1. How can I make a script work with both cases?
>> As it says in the docs, if ->login doesn't do what you want, use ->print
>> and ->waitfor instead.
>>
>
> Thanks, I just read it. Does ->print display password on terminal and
> anybody sees it? Does the ->login work this way also?

Why ask? Both of those are questions you can answer yourself by
trying the methods.

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