Interaction with the shell
Erik Max Francis
max at alcyone.com
Sat Feb 1 05:19:18 CET 2003
Tyson Tate wrote:
> I'd like to enter the password from within the code (i.e. so that the
> user doesn't enter the password). How might I do this? The man pages
> ssh don't say that there are any parameters through which I can supply
> the password.
As well there shouldn't be; your password would then be visible to
anyone with an account on the same machine while you were using it (or
at least there would be a race condition for it to be visible).
You could probably use something like the PyExpect module (which I've
never had the pleasure to use myself):
A much better idea, though, is to avoid the password entirely and
instead set up a local ssh key with ssh-keygen and add the public key to
~/.ssh/authorized_keys on the remote system. This will obviate the need
for a password exchange.
The problem is that even if you get it working with your password, that
password is either going to be passed as a command line into your Python
script (again, same problem as above) or is going to appear somewhere in
your Python file. Now there's a text file somewhere on your system that
contains your password on another machine: Bad idea.
Erik Max Francis / max at alcyone.com / http://www.alcyone.com/max/
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