scp in a script with keys and passphrase

[Paul Malinowski]

Expect can automate task of typing passphrase in a expect script - but ask yourself a question what good is the passphrase if you have to store it in clear text?
 
I know that it may not be the answer for your question, but perhaps you should think of either other way of transfering these files (ftp/rsync/nfs/http) or generating another set of keys without of passphrase?
Kind Regards, Paul Malinowski

CCNA, CCENT, RHCE



----- Original Message ----
From: "Barbeau, Jean-Philippe" <JP.Barbeau at SAQ.qc.ca>
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Sent: Monday, 4 August, 2008 4:08:10 PM
Subject: RE: scp in a script with keys and passphrase

the "expect" package may be what you're looking for.  from the rpm description:

---
Expect is a tcl extension for automating interactive applications such
as telnet, ftp, passwd, fsck, rlogin, tip, etc. Expect is also useful
for testing those applications. Expect makes it easy for a script to
control another program and interact with it.

Install the expect package if you want to develop scripts that
interact with interactive applications. You will also need to install
the tcl package.
---

it's available for RHEL 4 & 5.

> -----Message d'origine-----
> De : redhat-list-bounces at redhat.com 
> [mailto:redhat-list-bounces at redhat.com] De la part de 
> Nicholas G. Stamatakos
> Envoyé : 4 août, 2008 10:51
> À : redhat-list at redhat.com
> Objet : scp in a script with keys and passphrase
> 
> Hello--
> Looking for help or documentation which will tell me how to use a
> passphrase in a script to scp from one computer to another.
> 
> I know how to set up the keys and implement a passphrase requirement.
> However, I don't know how to put the passphrase properly into 
> a script.
> 
> The script is supposed to copy from my account on one computer to
> another and be executed in a crontab.  However, we are 
> required to use a
> passphrase with the keys.  I don't see any documentation tell 
> me how to
> use incorporate the passphrase in the scp command.
> 
> Can anyone on this blog/help discussion list help me with 
> that or point
> me in the right direction to some documenation.
> Thanks
> Nick
> -- 
> Nick Stamatakos
> US Naval Observatory
> 3450 Observatory Circle, NW
> Washington DC  20392
> 202 762 1518
> stamatakos.nick at usno.navy.mil
> 
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> redhat-list mailing list
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> 


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