Pipe Actual Password to passwd

UNIX Solaris
1

Hello,

I have a problem. As ldap admin, i have a account with a stored password in passwd (means local). This password must be changed every 30 days.
Now i want execute "passwd" without prompt for the actual password.
I will only typie in the new password.
On Ubuntu i solve this with the following command:

echo "<oldPWD>" | passwd -r files <USERNAME>--stdin

but the "--stdin" doesn't worked on solaris bash.

how can i solve this?

  1. It's not a problem that old PW ist after executing stored in history. Because after execution the password is old and not usable

  2. i have no root access.

  3. i can't install a additionally Package (but i can use a local script)

  4. yes, I'm lazy but this are 35 Servers and it's annoying to type this password 35 times.

thanks in advanced

2

That would not be possible.

You will need to use expect

Best regards
Peasant.

1 Like
3

ah cool,

with this script is worked correct

#!/<path>/expect
set oldpass [lindex $argv 0]
set newpass [lindex $argv 1]
spawn passwd
expect "Enter existing login password:" {send "$oldpass\r"}
expect "New Password:" {send "$newpass\r"}
expect "Re-enter new Password:" {send "$newpass\r"}
expect {
  "password successfully changed for flohfeld" {puts stdout "\nsuccessful changed"}
  default {puts stdout "\nERROR!"}
}
1 Like