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#--
# =============================================================================
# Copyright (c) 2004,2005 Jamis Buck (jamis@37signals.com)
# All rights reserved.
#
# This source file is distributed as part of the Net::SSH Secure Shell Client
# library for Ruby. This file (and the library as a whole) may be used only as
# allowed by either the BSD license, or the Ruby license (or, by association
# with the Ruby license, the GPL). See the "doc" subdirectory of the Net::SSH
# distribution for the texts of these licenses.
# -----------------------------------------------------------------------------
# net-ssh website : http://net-ssh.rubyforge.org
# project website: http://rubyforge.org/projects/net-ssh
# =============================================================================
#++
unless defined?( HAS_TERMIOS )
begin
require 'termios'
HAS_TERMIOS = true
rescue LoadError
HAS_TERMIOS = false
end
end
module Net
module SSH
module Util
# A simple class for prompting a user for input.
class Prompter
# Displays the prompt and then waits for the user to enter a response.
# If the 'termios' library is available, the user's input will not be
# echoed to the terminal. The user's response will be returned, with
# any trailing newline chomped.
def password( prompt=nil )
if $stdin.tty?
echo false
print prompt if prompt
end
$stdin.gets.chomp
ensure
if $stdin.tty?
echo true
puts
end
end
if HAS_TERMIOS
def echo( enable )
term = Termios::getattr( $stdin )
if enable
term.c_lflag |= ( Termios::ECHO | Termios::ICANON )
else
term.c_lflag &= ~Termios::ECHO
end
Termios::setattr( $stdin, Termios::TCSANOW, term )
end
else
def echo( enable )
end
end
private :echo
end
end
end
end
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