From: ahoward <ahoward@...>
Date: 2003-08-29T07:36:22+09:00
Subject: Re: Password:

On Fri, 29 Aug 2003, mgarriss wrote:

> mgarriss wrote:
>
> > Any easy and elegant way to do the 'no output to the screen' thing for
> > entering passwords.  I don't want to have to use ncurses.  Also, can I
> > force stdin to be a tty like 'su' does?
> >
> > Michael
>
>
> I should mention that I'm on a GNU/Linux but it'd be nice to have a
> cross-platform solution to this.

~ > cat ./password.rb
require 'password' # get from the RAA

def password
  password = Password.get('Password')
  if block_given? # block form is safer!
    begin
      yield password
    ensure
      password.replace ''
    end
  else
    # you should delete/replace this so strace can't show it!
    return password
  end
end

password do |pswd|
  puts pswd
end

puts password()

~ > ruby ./password.rb
Password:
foobar
Password:
barfoo


-a
  ====================================
  | Ara Howard
  | NOAA Forecast Systems Laboratory
  | Information and Technology Services
  | Data Systems Group
  | R/FST 325 Broadway
  | Boulder, CO 80305-3328
  | Email: ara.t.howard@noaa.gov
  | Phone:  303-497-7238
  | Fax:    303-497-7259
  | ~ > ruby -e 'p(%.\x2d\x29..intern)'
  ====================================