Hidden passwords

neto · #1 (**permalink**) 09-21-2005

Upon executing a script that sets the value to a password variable, is there a way to hide a password value from being detected in standard out?

vino · #2 (**permalink**) 09-21-2005

If you need to authenticate using name/passwd use those credentials within a here-document.

A quick googling gave these

Hiding the password

There is an interesting solution described in this link

How can I hide passwords in a shell script?

And finally, Can one prevent passwords from appearing in the system process table?

vino

nir_s · #3 (**permalink**) 09-21-2005

The following function demostrate how to ask from user to enter a password.
The password is invisable:

Code:

check_schema_password()
{
echo "Please enter $SCHEMA_NAME password (default $SCHEMA_NAME):"
tput invis
read answer
tput sgr0
if [[ $answer = '' ]] ; then
  export SCHEMA_PASS=${SCHEMA_NAME}
else
  export SCHEMA_PASS=${answer}
fi
}

Nir

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