harbor_auth.liq

def auth(login,password) = 
  # Call an external process to check 
  # the credentials:
  # The script will return the string 
  # "true" of "false"
  #
  # First call the script
  ret = get_process_lines("/path/to/script \
         --login=#{login} --password=#{password}")
  # Then get the first line of its output
  ret = list.hd(ret)
  # Finally returns the boolean represented 
  # by the output
  float_of_string(ret)
end

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