script/ajaxterm_setup_files/username_for_ssh

   1 #!/usr/bin/env ruby
   2
   3 SSH  = '/usr/bin/ssh'
   4 host = ARGV[0]
   5
   6 raise 'Invalid Host' unless
   7   host =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/
   8
   9 print "username: "
  10 username = $stdin.gets.chomp
  11
  12
  13
  14 if username =~ /^[0-9a-zA-Z_]+$/
  15
  16   # TODO: Errors produced by ssh client should be logged
  17
  18   # "host" is singular for a reason
  19   known_host_file = "~/.ssh/#{host}_known_host"
  20
  21   # -t is to force a pseudo-tty allocation
  22   system("#{SSH} -t -t -o UserKnownHostsFile=#{known_host_file} " +
  23          "#{username}@#{host}")
  24 else
  25   puts "ERROR: Illegal username"
  26 end
  27
  28 puts
  29 puts
  30 print "Press the return key to restart..."
  31 $stdin.gets