Re: How to incorporate Expect in Perl Script? OR Pass the password via perl script?


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Re: How to incorporate Expect in Perl Script? OR Pass the password via perl script?

by atcroft (Abbot)

on Jul 13, 2022 at 03:11 UTC ( [id://11145462]=note: print w/replies, xml )

Need Help??

in reply to How to incorporate Expect in Perl Script? OR Pass the password via perl script?

Just to reinforce what tybalt89 said, there are several Expect-related modules in perl. Among them are:

If I've left out someone's favorite, I apologize--I think I have used each of those in the past on various projects. I should note there are also several modules that play nicely with Expect, such as Net::OpenSSH and its variants.

I would suggest you take Corion's suggestion to heart and consider looking at (passwordless) SSH key access. Under OpenSSH keys can be locked down to allow only from a particular set of hosts and/or to allow execution of only certain commands you specify, both of which may prove useful in increasing the security of the system you are assembling.

Hope that helps.

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Re^2: How to incorporate Expect in Perl Script? OR Pass the password via perl script?
by Fletch (Bishop) on Jul 13, 2022 at 10:48 UTC

There’s also IPC::Run which will let you drive a subprocess while looking for responses with regexen.

And seconding being careful locking down what can be run especially something accessible via a web server. Might even consider a harder separation like maybe enqueuing requests that something else (not running as your httpd user) then runs with the elevated access separately (Minion, or dropping in a db, or a file in a directory monitored by something to run things, …).

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