You might try using pipe.


On Sat, 08 Feb 2003 Jack Lloyd wrote :
>On Fri, 7 Feb 2003, Gonzalo Sanchez wrote:
>
> >   return_value = system("ssh -N -f -L 7050:rmyserver:6565 
>myUser@myserver\n");
> >   return return_value;
> >
> > The code works fine.  The problem with this is that I need to 
>type my
> > password to authenticate.  If everything goes well then I have 
>a ssh
> > tunnel with port 7050 listening from 6565 from myserver.
> >
> > I would like to know how can you append the password to 
>return_value so
> > that I dont have to type the password, since this routine has 
>to be
> > automatic.
> >
> > Please advice if there is any other better form to do it...or 
>how
> > append the password (of course that is not too secure)
>
>OpenSSH won't let you do the second one. You could set up a 
>public key (w/o
>password), which would let you authenticate without having to 
>stop and ask
>the user something. Of course then the only protection is the 
>local
>filesystem protections, which may not be enough, depending on the 
>threat
>model of this application. Another method would be to set up 
>hosts
>authentication with SSH; that method is probably even less safe 
>than using
>an unprotected private key.
>
>BTW, why are you doing this? It seems like there are easier ways 
>to do what
>you are doing.
>
>-Jack
>
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