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masking or encrypting in shell script

 
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# 1  
Old 02-07-2006
masking or encrypting in shell script
Hi folks, I am writing a script which asks the user to enter a user name and password to telnet and logon to some other machine. The script promts the user to enter the login name and password as below.

echo "Enter the login name to be used to login on the machine"
read login
echo "Enter the password for the login:$login"
read passwd
......... the scripts then proceeds to telnet a list of IPs and do some executions on the servers....


In this case, as the user types the password, it is displayed on the screen. Is there a way wherein the password that is being typed is not seen or can be masked/encrypted? Please let me know.

Thanks.
Shrish
# 2  
Old 02-07-2006
use, ( to turn off password visibility )

Code:
stty -echo

prior to reading the password

and enable it back by

Code:
stty echo

# 3  
Old 02-08-2006
Thanks a lot buddy...its seems so simple now!!! thanks a ton.
# 4  
Old 02-16-2006
Bug
Smilie In read command also have some option's for this
-s is the option that hide the input
# 5  
Old 02-16-2006
Quote:
Originally Posted by sabari
Smilie In read command also have some option's for this
-s is the option that hide the input
no, -s option in read is not quoted for that
it would save a copy of the value read in the history file
 
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