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Full Discussion: Automatic FTP script
Operating Systems SCO Automatic FTP script Post 302322075 by TonyFullerMalv on Tuesday 2nd of June 2009 05:57:12 PM
Old 06-02-2009
You could store the password in a file encrypted by crypt(1) get your script to decrypt it as it uses it, not very secure but it would hide the password from the casual observer.

I've used ftp with an input file to give the commands before, e.g.:
Code:
$ cat cmdfile.template
open _FTPSERVER_
user _USER_ _PASSWORD_
cd directory
binary
put tar.gz
bye
$

And then a script like this:
Code:
HOST=remote.host.name
USER=whoever
PASSWD=whatever

sed -e 's/_FTPSERVER_/'${HOST}'/' -e 's/_USER_/'${USER}'/' -e 's/_PASSWORD_/'${PASSWD}'/' cmdfile.template > cmdfile
ftp < cmdfile

If you wanted to hide the password then encrypt it into a file using crypt, e.g.:
Code:
$ echo passwdofchoice > clear
$ echo keyofchoice > key.file
$ crypt `cat key.file` < clear > password.crypt
$ rm clear

Changing key to be the decryption key and password to ones of your choice.

The in the above script "PASSWD=whatever" would change to:
Code:
KEY=`cat key.file`
PASSWD=`crypt ${KEY} < password.crypt`

The filenames could be made more obscure and as I said the whole thing is not secure but it would hide things a bit...

Using scp to transfer files via SSH with passwordless SSH would be preferable and more secure if your ftp server is also running sshd.
Last edited by TonyFullerMalv; 06-02-2009 at 07:20 PM..
 

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LEARN ABOUT HPUX

encrypt_r

crypt(3C)																 crypt(3C)

NAME

       crypt  - generate hashing encryption

SYNOPSIS

   Obsolescent Interfaces
DESCRIPTION

   crypt():
       is  the	password encryption function.  It is based on a one way hashing encryption algorithm with variations intended (among other things)
       to frustrate use of hardware implementations of a key search.

       key is a user's typed password.	salt is a two-character string chosen from the set this string is used to perturb the hashing algorithm in
       one of 4096 different ways, after which the password is used as the key to encrypt repeatedly a constant string.  The returned value points
       to the encrypted password.  The first two characters are the salt itself.

   Obsolescent Interfaces
       generate hashing encryption.

WARNINGS

       The return value for points to data whose content is overwritten by each call.

       and are obsolescent interfaces  supported only for compatibility with existing DCE applications. New multithreaded applications should use

SEE ALSO

       crypt(1), login(1), passwd(1), getpass(3C), passwd(4), thread_safety(5).

STANDARDS CONFORMANCE

																	 crypt(3C)
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