Class: Msf::Ui::Console::CommandDispatcher::Core

Inherits:
Object
  • Object
show all
Includes:
Msf::Ui::Console::CommandDispatcher, Common, ModuleOptionTabCompletion
Defined in:
lib/msf/ui/console/command_dispatcher/core.rb

Overview

Command dispatcher for core framework commands, such as module loading, session interaction, and other general things.

Constant Summary collapse

@@sessions_opts =

Session command options

Rex::Parser::Arguments.new(
["-c", "--command"]              => [ true,  "Run a command on the session given with -i, or all", "<command>"               ],
["-C", "--meterpreter-command"]  => [ true,  "Run a Meterpreter Command on the session given with -i, or all", "<command>"   ],
["-h", "--help"]                 => [ false, "Help banner"                                                                   ],
["-i", "--interact"]             => [ true,  "Interact with the supplied session ID", "<id>"                                 ],
["-l", "--list"]                 => [ false, "List all active sessions"                                                      ],
["-v", "--list-verbose"]         => [ false, "List all active sessions in verbose mode"                                      ],
["-d", "--list-inactive"]        => [ false, "List all inactive sessions"                                                    ],
["-q", "--quiet"]                => [ false, "Quiet mode"                                                                    ],
["-k", "--kill"]                 => [ true,  "Terminate sessions by session ID and/or range", "<id>"                         ],
["-K", "--kill-all"]             => [ false, "Terminate all sessions"                                                        ],
["-s", "--script"]               => [ true,  "Run a script or module on the session given with -i, or all", "<script>"       ],
["-u", "--upgrade"]              => [ true,  "Upgrade a shell to a meterpreter session on many platforms", "<id>"            ],
["-t", "--timeout"]              => [ true,  "Set a response timeout (default: 15)", "<seconds>"                             ],
["-S", "--search"]               => [ true,  "Row search filter. (ex: sessions --search 'last_checkin:less_than:10s session_id:5 session_type:meterpreter')", "<filter>"],
["-x", "--list-extended"]        => [ false, "Show extended information in the session table"                                ],
["-n", "--name"]                 => [ true,  "Name or rename a session by ID", "<id> <name>"                                 ])
@@threads_opts =
Rex::Parser::Arguments.new(
["-h", "--help"]            => [ false, "Help banner."                                           ],
["-k", "--kill"]            => [ true,  "Terminate the specified thread ID.", "<id>"             ],
["-K", "--kill-all"]        => [ false, "Terminate all non-critical threads."                    ],
["-i", "--info"]            => [ true,  "Lists detailed information about a thread.", "<id>"     ],
["-l", "--list"]            => [ false, "List all background threads."                           ],
["-v", "--verbose"]         => [ false, "Print more detailed info.  Use with -i and -l"          ])
@@tip_opts =
Rex::Parser::Arguments.new(
["-h", "--help"] => [ false, "Help banner."                                   ])
@@debug_opts =
Rex::Parser::Arguments.new(
["-h", "--help"]            => [ false, "Help banner."                                   ],
["-d", "--datastore"]       => [ false, "Display the datastore information."             ],
["-c", "--commands"] => [ false, "Display command history."                       ],
["-e", "--errors"]     => [ false, "Display the most recent Error and Stack Trace." ],
["-l", "--logs"]            => [ false, "Display the most recent logs."                  ],
["-v", "--version"]         => [ false, "Display versions and install info."             ],
["-s", "--database"]           => [ false, "Display database statistics."                   ])
@@connect_opts =
Rex::Parser::Arguments.new(
["-h", "--help"]           => [ false, "Help banner."                                                ],
["-p", "--proxies"]        => [ true,  "List of proxies to use.", "<proxies>"                        ],
["-C", "--crlf"]           => [ false, "Try to use CRLF for EOL sequence."                           ],
["-c", "--comm"]           => [ true,  "Specify which Comm to use.", "<comm>"                        ],
["-i", "--send-contents"]  => [ true,  "Send the contents of a file.", "<file>"                      ],
["-P", "--source-port"]    => [ true,  "Specify source port.", "<port>"                              ],
["-S", "--source-address"] => [ true,  "Specify source address.", "<address>"                        ],
["-s", "--ssl"]            => [ false, "Connect with SSL."                                           ],
["-u", "--udp"]            => [ false, "Switch to a UDP socket."                                     ],
["-w", "--timeout"]        => [ true,  "Specify connect timeout.", "<seconds>"                       ],
["-z", "--try-connection"] => [ false, "Just try to connect, then return."                           ])
@@history_opts =
Rex::Parser::Arguments.new(
["-h", "--help"]            => [ false, "Help banner."                                   ],
["-a", "--all-commands"]    => [ false, "Show all commands in history."                  ],
["-n"] => [ true,  "Show the last n commands.", "<num>"             ],
["-c", "--clear"]           => [ false, "Clear command history and history file."        ])
@@save_opts =
Rex::Parser::Arguments.new(
["-h", "--help"]           => [ false, "Help banner."                                                                   ],
["-r", "--reload-default"] => [ false, "Reload default options for the active module."                                  ],
["-l", "--load"]           => [ false, "Load the saved options for the active module."                                  ],
["-d", "--delete-all"]     => [ false, "Delete saved options for all modules from the config file."                     ])
@@setg_opts =

set command options

Rex::Parser::Arguments.new(
  ["-h", "--help"] => [ false, "Help banner."],
  ["-c", "--clear"] => [ false, "Clear the values, explicitly setting to nil (default)"]
)
@@set_opts =
@@setg_opts.merge(
  ["-g", "--global"] => [ false, "Operate on global datastore variables"]
)
@@unsetg_opts =

unset command options

Rex::Parser::Arguments.new(
  ["-h", "--help"] => [ false, "Help banner."],
)
@@unset_opts =
@@unsetg_opts.merge(
  ["-g", "--global"] => [ false, "Operate on global datastore variables"]
)

Instance Attribute Summary

Attributes included from Msf::Ui::Console::CommandDispatcher

#driver

Attributes included from Rex::Ui::Text::DispatcherShell::CommandDispatcher

#shell, #tab_complete_items

Instance Method Summary collapse

Methods included from ModuleOptionTabCompletion

#option_values_actions, #option_values_dispatch, #option_values_encoders, #option_values_nops, #option_values_payloads, #option_values_sessions, #option_values_target_addrs, #option_values_target_ports, #option_values_targets, #tab_complete_datastore_names, #tab_complete_module_datastore_names, #tab_complete_option, #tab_complete_option_names, #tab_complete_option_values, #tab_complete_source_interface

Methods included from Common

#arg_host_range, #arg_port_range, #index_from_list, #set_rhosts_from_addrs, #show_options, #trim_path

Methods included from Msf::Ui::Console::CommandDispatcher

#active_module, #active_module=, #active_session, #active_session=, #build_range_array, #docs_dir, #framework, #load_config, #log_error, #remove_lines

Methods included from Rex::Ui::Text::DispatcherShell::CommandDispatcher

#cmd_help, #cmd_help_help, #cmd_help_tabs, #deprecated_cmd, #deprecated_help, #docs_dir, #help_to_s, included, #print, #print_error, #print_good, #print_line, #print_status, #print_warning, #tab_complete_directory, #tab_complete_filenames, #tab_complete_generic, #tab_complete_source_address, #unknown_command, #update_prompt

Constructor Details

#initialize(driver) ⇒ Core

Initializes the datastore cache



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 181

def initialize(driver)
  super

  @cache_payloads = nil
  @previous_module = nil
  @previous_target = nil
  @history_limit = 100
end

Instance Method Details

#cmd_banner(*args) ⇒ Object

Display one of the fabulous banners.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 272

def cmd_banner(*args)
  banner  = "%cya" + Banner.to_s + "%clr\n\n"

  stats       = framework.stats
  version     = "%yelmetasploit v#{Metasploit::Framework::VERSION}%clr",
  exp_aux_pos = "#{stats.num_exploits} exploits - #{stats.num_auxiliary} auxiliary - #{stats.num_post} post",
  pay_enc_nop = "#{stats.num_payloads} payloads - #{stats.num_encoders} encoders - #{stats.num_nops} nops",
  eva         = "#{stats.num_evasion} evasion",
  padding     = 48

  banner << ("       =[ %-#{padding+8}s]\n" % version)
  banner << ("+ -- --=[ %-#{padding}s]\n" % exp_aux_pos)
  banner << ("+ -- --=[ %-#{padding}s]\n" % pay_enc_nop)
  banner << ("+ -- --=[ %-#{padding}s]\n" % eva)

  banner << "\n"
  banner << Rex::Text.wordwrap('Metasploit Documentation: https://docs.metasploit.com/', indent = 0, cols = 60)

  # Display the banner
  print_line(banner)

end

#cmd_banner_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 262

def cmd_banner_help
  print_line "Usage: banner"
  print_line
  print_line "Print a stunning ascii art banner along with version information and module counts"
  print_line
end

#cmd_cd(*args) ⇒ Object

Change the current working directory



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 245

def cmd_cd(*args)
  if(args.length == 0)
    print_error("No path specified")
    return
  end

  begin
    Dir.chdir(args.join(" ").strip)
  rescue ::Exception
    print_error("The specified path does not exist")
  end
end

#cmd_cd_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 235

def cmd_cd_help
  print_line "Usage: cd <directory>"
  print_line
  print_line "Change the current working directory"
  print_line
end

#cmd_cd_tabs(str, words) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 258

def cmd_cd_tabs(str, words)
  tab_complete_directory(str, words)
end

#cmd_color(*args) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 209

def cmd_color(*args)
  case args[0]
  when "auto"
    driver.output.auto_color
  when "true"
    driver.output.enable_color
  when "false"
    driver.output.disable_color
  else
    cmd_color_help
    return
  end
end

#cmd_color_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 202

def cmd_color_help
  print_line "Usage: color <'true'|'false'|'auto'>"
  print_line
  print_line "Enable or disable color output."
  print_line
end

#cmd_color_tabs(str, words) ⇒ Object

Tab completion for the color command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 230

def cmd_color_tabs(str, words)
  return [] if words.length > 1
  %w[auto true false]
end

#cmd_connect(*args) ⇒ Object

Talk to a host



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 437

def cmd_connect(*args)
  if args.length < 2 or args.include?("-h") or args.include?("--help")
    cmd_connect_help
    return false
  end

  crlf = false
  commval = nil
  fileval = nil
  proxies = nil
  srcaddr = nil
  srcport = nil
  ssl = false
  udp = false
  cto = nil
  justconn = false
  aidx = 0

  @@connect_opts.parse(args) do |opt, idx, val|
    case opt
      when "-C"
        crlf = true
        aidx = idx + 1
      when "-c"
        commval = val
        aidx = idx + 2
      when "-i"
        fileval = val
        aidx = idx + 2
      when "-P"
        srcport = val
        aidx = idx + 2
      when "-p"
        proxies = val
        aidx = idx + 2
      when "-S"
        srcaddr = val
        aidx = idx + 2
      when "-s"
        ssl = true
        aidx = idx + 1
      when "-w"
        cto = val.to_i
        aidx = idx + 2
      when "-u"
        udp = true
        aidx = idx + 1
      when "-z"
        justconn = true
        aidx = idx + 1
    end
  end

  commval = "Local" if commval =~ /local/i

  if fileval
    begin
      raise "Not a file" if File.ftype(fileval) != "file"
      infile = ::File.open(fileval)
    rescue
      print_error("Can't read from '#{fileval}': #{$!}")
      return false
    end
  end

  args = args[aidx .. -1]

  if args.length < 2
    print_error("You must specify a host and port")
    return false
  end

  host = args[0]
  port = args[1]

  comm = nil

  if commval
    begin
      if Rex::Socket::Comm.const_defined?(commval)
        comm = Rex::Socket::Comm.const_get(commval)
      end
    rescue NameError
    end

    if not comm
      session = framework.sessions.get(commval)

      if session.kind_of?(Msf::Session::Comm)
        comm = session
      end
    end

    if not comm
      print_error("Invalid comm '#{commval}' selected")
      return false
    end
  end

  begin
    klass = udp ? ::Rex::Socket::Udp : ::Rex::Socket::Tcp
    sock = klass.create({
      'Comm'      => comm,
      'Proxies'   => proxies,
      'SSL'       => ssl,
      'PeerHost'  => host,
      'PeerPort'  => port,
      'LocalHost' => srcaddr,
      'LocalPort' => srcport,
      'Timeout'   => cto,
      'Context'   => {
        'Msf' => framework
      }
    })
  rescue
    print_error("Unable to connect: #{$!}")
    return false
  end

  _, lhost, lport = sock.getlocalname()
  print_status("Connected to #{host}:#{port} (via: #{lhost}:#{lport})")

  if justconn
    sock.close
    infile.close if infile
    return true
  end

  cin = infile || driver.input
  cout = driver.output

  begin
    # Console -> Network
    c2n = framework.threads.spawn("ConnectConsole2Network", false, cin, sock) do |input, output|
      while true
        begin
          res = input.gets
          break if not res
          if crlf and (res =~ /^\n$/ or res =~ /[^\r]\n$/)
            res.gsub!(/\n$/, "\r\n")
          end
          output.write res
        rescue ::EOFError, ::IOError
          break
        end
      end
    end

    # Network -> Console
    n2c = framework.threads.spawn("ConnectNetwork2Console", false, sock, cout, c2n) do |input, output, cthr|
      while true
        begin
          res = input.read(65535)
          break if not res
          output.print res
        rescue ::EOFError, ::IOError
          break
        end
      end

      Thread.kill(cthr)
    end

    c2n.join

  rescue ::Interrupt
    c2n.kill
    n2c.kill
  end

  c2n.join
  n2c.join

  sock.close rescue nil
  infile.close if infile

  true
end

#cmd_connect_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 426

def cmd_connect_help
  print_line "Usage: connect [options] <host> <port>"
  print_line
  print_line "Communicate with a host, similar to interacting via netcat, taking advantage of"
  print_line "any configured session pivoting."
  print @@connect_opts.usage
end

#cmd_connect_tabs(str, words) ⇒ Object

Tab completion for the connect command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 411

def cmd_connect_tabs(str, words)
  if words.length == 1
    return @@connect_opts.option_keys.select do |opt|
      opt.start_with?(str) && !words.include?(opt)
    end
  end

  case words[-1]
  when '-c', '--comm'
    # Rex::Socket::Comm
  end

  []
end

#cmd_debug(*args) ⇒ Object

Display information useful for debugging errors.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 368

def cmd_debug(*args)
  if args.empty?
    print_line Debug.all(framework, driver)
    return
  end

  if args.include?("-h") || args.include?("--help")
    cmd_debug_help
  else
    output = ""
    @@debug_opts.parse(args) do |opt|
      case opt
      when '-d'
        output << Debug.datastore(framework, driver)
      when '-c'
        output << Debug.history(driver)
      when '-e'
        output << Debug.errors
      when '-l'
        output << Debug.logs
      when '-v'
        output << Debug.versions(framework)
      when '-s'
        output << Debug.database_configuration(framework)
      end
    end

    if output.empty?
      print_line("Valid argument was not given.")
      cmd_debug_help
    else
      output = Debug.preamble + output
      print_line output
    end
  end
end

#cmd_debug_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 356

def cmd_debug_help
  print_line "Usage: debug [options]"
  print_line
  print_line("Print a set of information in a Markdown format to be included when opening an Issue on Github. " +
               "This information helps us fix problems you encounter and should be included when you open a new issue: " +
               Debug.issue_link)
  print @@debug_opts.usage
end

#cmd_debug_tabs(str, words) ⇒ Object

Tab completion for the debug command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 346

def cmd_debug_tabs(str, words)
  if words.length >= 1
    return @@debug_opts.option_keys.select do |opt|
      opt.start_with?(str) && !words.include?(opt)
    end
  end

  []
end

#cmd_exit(*args) ⇒ Object Also known as: cmd_quit

Instructs the driver to stop executing.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 619

def cmd_exit(*args)
  forced = false
  forced = true if (args[0] and args[0] =~ /-y/i)

  if(framework.sessions.length > 0 and not forced)
    print_status("You have active sessions open, to exit anyway type \"exit -y\"")
    return
  elsif(driver.confirm_exit and not forced)
    print("Are you sure you want to exit Metasploit? [y/N]: ")
    response = gets.downcase.chomp
    if(response == "y" || response == "yes")
      driver.stop
    else
      return
    end
  end

  driver.stop
end

#cmd_features(*args) ⇒ Object

This method handles the features command which allows a user to opt into enabling features that are not yet released to everyone by default.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 669

def cmd_features(*args)
  args << 'print' if args.empty?

  action, *rest = args
  case action
  when 'set'
    feature_name, value = rest

    unless framework.features.exists?(feature_name)
      print_warning("Feature name '#{feature_name}' is not available. Either it has been removed, integrated by default, or does not exist in this version of Metasploit.")
      print_warning("Currently supported features: #{framework.features.names.join(', ')}") if framework.features.all.any?
      print_warning('There are currently no features to toggle.') if framework.features.all.empty?
      return
    end

    unless %w[true false].include?(value)
      print_warning('Please specify true or false to configure this feature.')
      return
    end

    framework.features.set(feature_name, value == 'true')
    print_line("#{feature_name} => #{value}")
    # Some flags may require a full console restart
    if framework.features.requires_restart?(feature_name)
      print_warning("Run the #{Msf::Ui::Tip.highlight("save")} command and restart the console for this feature to take effect.")
    else
      # Reload the current module, as feature flags may impact the available module options etc
      driver.run_single("reload") if driver.active_module
    end
  when 'print'
    if framework.features.all.empty?
      print_line 'There are no features to enable at this time. Either the features have been removed, or integrated by default.'
      return
    end

    features_table = Table.new(
      Table::Style::Default,
      'Header' => 'Features table',
      'Prefix' => "\n",
      'Postfix' => "\n",
      'Columns' => [
        '#',
        'Name',
        'Enabled',
        'Description',
      ]
    )

    framework.features.all.each.with_index do |feature, index|
      features_table << [
        index,
        feature[:name],
        feature[:enabled].to_s,
        feature[:description]
      ]
    end

    print_line features_table.to_s
  else
    cmd_features_help
  end
rescue StandardError => e
  elog(e)
  print_error(e.message)
end

#cmd_features_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 641

def cmd_features_help
  print_line <<~CMD_FEATURE_HELP
    Enable or disable unreleased features that Metasploit supports

    Usage:
      features set feature_name [true/false]
      features print

    Subcommands:
      set - Enable or disable a given feature
      print - show all available features and their current configuration

    Examples:
      View available features:
        features print

      Enable a feature:
        features set new_feature true

      Disable a feature:
        features set new_feature false
  CMD_FEATURE_HELP
end

#cmd_features_tabs(_str, words) ⇒ Object

Tab completion for the features command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • _str (String)

    The string currently being typed before tab was hit

  • words (Array<String>)

    The previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 741

def cmd_features_tabs(_str, words)
  if words.length == 1
    return %w[set print]
  end

  _command_name, action, *rest = words
  ret = []
  case action
  when 'set'
    feature_name, _value = rest

    if framework.features.exists?(feature_name)
      ret += %w[true false]
    else
      ret += framework.features.names
    end
  end

  ret
end

#cmd_get(*args) ⇒ Object

Gets a value if it's been set.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2366

def cmd_get(*args)

  # Figure out if these are global variables
  global = false

  if (args[0] == '-g')
    args.shift
    global = true
  end

  # No arguments?  No cookie.
  if args.empty?
    global ? cmd_getg_help : cmd_get_help
    return false
  end

  # Determine which data store we're operating on
  if (active_module && !global)
    datastore = active_module.datastore
  else
    datastore = framework.datastore
  end

  args.each { |var| print_line("#{var} => #{datastore[var]}") }
end

#cmd_get_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2356

def cmd_get_help
  print_line "Usage: get var1 [var2 ...]"
  print_line
  print_line "The get command is used to get the value of one or more variables."
  print_line
end

#cmd_get_tabs(str, words) ⇒ Object

Tab completion for the get command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2399

def cmd_get_tabs(str, words)
  datastore = active_module ? active_module.datastore : self.framework.datastore
  datastore.keys
end

#cmd_getg(*args) ⇒ Object

Gets variables in the global data store.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2414

def cmd_getg(*args)
  args.unshift('-g')

  cmd_get(*args)
end

#cmd_getg_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2404

def cmd_getg_help
  print_line "Usage: getg var1 [var2 ...]"
  print_line
  print_line "Exactly like get -g, get global variables"
  print_line
end

#cmd_getg_tabs(str, words) ⇒ Object

Tab completion for the getg command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2427

def cmd_getg_tabs(str, words)
  self.framework.datastore.keys
end

#cmd_grep(*args) ⇒ String?

Greps the output of another console command, usage is similar the shell grep command grep [options] pattern other_cmd [other command's args], similar to the shell's grep [options] pattern file however it also includes -k to keep lines and -s to skip lines. grep -k 5 is useful for keeping table headers

Parameters:

  • args (Array<String>)

    Args to the grep command minimally including a pattern & a command to search

Returns:

  • (String, nil)

    Results matching the regular expression given



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2636

def cmd_grep(*args)
  match_mods = {:insensitive => false}
  output_mods = {:count => false, :invert => false}

  opts = OptionParser.new do |opts|
    opts.banner = "Usage: grep [OPTIONS] [--] PATTERN CMD..."
    opts.separator "Grep the results of a console command (similar to Linux grep command)"
    opts.separator ""

    opts.on '-m num', '--max-count num', 'Stop after num matches.', Integer do |max|
      match_mods[:max] = max
    end
    opts.on '-A num', '--after-context num', 'Show num lines of output after a match.', Integer do |num|
      output_mods[:after] = num
    end
    opts.on '-B num', '--before-context num', 'Show num lines of output before a match.', Integer do |num|
      output_mods[:before] = num
    end
    opts.on '-C num', '--context num', 'Show num lines of output around a match.', Integer do |num|
      output_mods[:before] = output_mods[:after] = num
    end
    opts.on '-v', '--[no-]invert-match', 'Invert match.' do |invert|
      match_mods[:invert] = invert
    end
    opts.on '-i', '--[no-]ignore-case', 'Ignore case.' do |insensitive|
      match_mods[:insensitive] = insensitive
    end
    opts.on '-c', '--count', 'Only print a count of matching lines.' do |count|
      output_mods[:count] = count
    end
    opts.on '-k num', '--keep-header num', 'Keep (include) num lines at start of output', Integer do |num|
      output_mods[:keep] = num
    end
    opts.on '-s num', '--skip-header num', 'Skip num lines of output before attempting match.', Integer do |num|
      output_mods[:skip] = num
    end
    opts.on '-h', '--help', 'Help banner.' do
      return print(remove_lines(opts.help, '--generate-completions'))
    end

    # Internal use
    opts.on '--generate-completions str', 'Return possible tab completions for given string.' do |str|
      return opts.candidate str
    end
  end

  # OptionParser#order allows us to take the rest of the line for the command
  pattern, *rest = opts.order(args)
  cmd = Shellwords.shelljoin(rest)
  return print(opts.help) if !pattern || cmd.empty?

  rx = Regexp.new(pattern, match_mods[:insensitive])

  # redirect output after saving the old one and getting a new output buffer to use for redirect
  orig_output = driver.output

  # we use a rex buffer but add a write method to the instance, which is
  # required in order to be valid $stdout
  temp_output = Rex::Ui::Text::Output::Buffer.new
  temp_output.extend Rex::Ui::Text::Output::Buffer::Stdout

  driver.init_ui(driver.input, temp_output)
  # run the desired command to be grepped
  driver.run_single(cmd)
  # restore original output
  driver.init_ui(driver.input, orig_output)

  # dump the command's output so we can grep it
  cmd_output = temp_output.dump_buffer

  # Bail if the command failed
  if cmd_output =~ /Unknown command:/
    print_error("Unknown command: '#{rest[0]}'.")
    return false
  end
  # put lines into an array so we can access them more easily and split('\n') doesn't work on the output obj.
  all_lines = cmd_output.lines.select {|line| line}
  # control matching based on remaining match_mods (:insensitive was already handled)
  if match_mods[:invert]
    statement = 'not line =~ rx'
  else
    statement = 'line =~ rx'
  end

  our_lines = []
  count = 0
  all_lines.each_with_index do |line, line_num|
    next if (output_mods[:skip] and line_num < output_mods[:skip])
    our_lines << line if (output_mods[:keep] and line_num < output_mods[:keep])
    # we don't want to keep processing if we have a :max and we've reached it already (not counting skips/keeps)
    break if match_mods[:max] and count >= match_mods[:max]
    if eval statement
      count += 1
      # we might get a -A/after and a -B/before at the same time
      our_lines += retrieve_grep_lines(all_lines,line_num,output_mods[:before], output_mods[:after])
    end
  end

  # now control output based on remaining output_mods such as :count
  return print_status(count.to_s) if output_mods[:count]
  our_lines.each {|line| print line}
end

#cmd_grep_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2624

def cmd_grep_help
  cmd_grep '-h'
end

#cmd_grep_tabs(str, words) ⇒ Object

Tab completion for the grep command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2746

def cmd_grep_tabs(str, words)
  str = '-' if str.empty? # default to use grep's options
  tabs = cmd_grep '--generate-completions', str

  # if not an opt, use normal tab comp.
  # @todo uncomment out next line when tab_completion normalization is complete RM7649 or
  # replace with new code that permits "nested" tab completion
  # tabs = driver.get_all_commands if (str and str =~ /\w/)
  tabs
end

#cmd_history(*args) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 762

def cmd_history(*args)
  length = Readline::HISTORY.length

  if length < @history_limit
    limit = length
  else
    limit = @history_limit
  end

  @@history_opts.parse(args) do |opt, idx, val|
    case opt
    when '-a'
      limit = length
    when '-n'
      return cmd_history_help unless val && val.match(/\A[-+]?\d+\z/)
      if length < val.to_i
        limit = length
      else
        limit = val.to_i
      end
    when '-c'
      if Readline::HISTORY.respond_to?(:clear)
        Readline::HISTORY.clear
      elsif defined?(RbReadline)
        RbReadline.clear_history
      else
        print_error('Could not clear history, skipping file')
        return false
      end

      # Portable file truncation?
      if File.writable?(Msf::Config.history_file)
        File.write(Msf::Config.history_file, '')
      end

      print_good('Command history and history file cleared')

      return true
    when '-h'
      cmd_history_help
      return false
    end
  end

  start   = length - limit
  pad_len = length.to_s.length

  (start..length-1).each do |pos|
    cmd_num = (pos + 1).to_s
    print_line "#{cmd_num.ljust(pad_len)}  #{Readline::HISTORY[pos]}"
  end
end

#cmd_history_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 815

def cmd_history_help
  print_line "Usage: history [options]"
  print_line
  print_line "Shows the command history."
  print_line
  print_line "If -n is not set, only the last #{@history_limit} commands will be shown."
  print_line 'If -c is specified, the command history and history file will be cleared.'
  print_line 'Start commands with a space to avoid saving them to history.'
  print @@history_opts.usage
end

#cmd_history_tabs(str, words) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 826

def cmd_history_tabs(str, words)
  return [] if words.length > 1
  @@history_opts.option_keys
end

#cmd_load(*args) ⇒ Object

Loads a plugin from the supplied path. If no absolute path is supplied, the framework root plugin directory is used.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1044

def cmd_load(*args)
  case args[0]
  when '-l'
    list_plugins
  when '-h', nil, ''
    cmd_load_help
  when '-s'
    framework.plugins.each{ |p| print_line p.name }
  else
    load_plugin(args)
  end
end

#cmd_load_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 974

def cmd_load_help
  print_line "Usage: load <option> [var=val var=val ...]"
  print_line
  print_line "Loads a plugin from the supplied path."
  print_line "For a list of built-in plugins, do: load -l"
  print_line "For a list of loaded plugins, do: load -s"
  print_line "The optional var=val options are custom parameters that can be passed to plugins."
  print_line
end

#cmd_load_tabs(str, words) ⇒ Object

Tab completion for the load command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1063

def cmd_load_tabs(str, words)
  tabs = []

  if (not words[1] or not words[1].match(/^\//))
    # then let's start tab completion in the scripts/resource directories
    begin
      [
        Msf::Config.user_plugin_directory,
        Msf::Config.plugin_directory
      ].each do |dir|
        next if not ::File.exist? dir
        tabs += ::Dir.new(dir).find_all { |e|
          path = dir + File::SEPARATOR + e
          ::File.file?(path) and File.readable?(path)
        }
      end
    rescue Exception
    end
  else
    tabs += tab_complete_filenames(str,words)
  end

  return tabs.map{|e| e.sub(/\.rb/, '')} - framework.plugins.map(&:name)
end

#cmd_repeat(*args) ⇒ Object

Repeats (loops) a given list of commands



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2764

def cmd_repeat(*args)
  looper = method :loop

  opts = OptionParser.new do |opts|
    opts.banner = 'Usage: repeat [OPTIONS] COMMAND...'
    opts.separator 'Repeat (loop) a ;-separated list of msfconsole commands indefinitely, or for a'
    opts.separator 'number of iterations or a certain amount of time.'
    opts.separator ''

    opts.on '-t SECONDS', '--time SECONDS', 'Number of seconds to repeat COMMAND...', Integer do |n|
      looper = ->(&block) do
        # While CLOCK_MONOTONIC is a Linux thing, Ruby emulates it for *BSD, MacOS, and Windows
        ending_time = Process.clock_gettime(Process::CLOCK_MONOTONIC, :second) + n
        while Process.clock_gettime(Process::CLOCK_MONOTONIC, :second) < ending_time
          block.call
        end
      end
    end

    opts.on '-n TIMES', '--number TIMES', 'Number of times to repeat COMMAND..', Integer do |n|
      looper = n.method(:times)
    end

    opts.on '-h', '--help', 'Help banner.' do
      return print(remove_lines(opts.help, '--generate-completions'))
    end

    # Internal use
    opts.on '--generate-completions str', 'Return possible tab completions for given string.' do |str|
      return opts.candidate str
    end
  end

  cmds = opts.order(args).slice_when do |prev, _|
    # If the last character of a shellword was a ';' it's probably to
    # delineate commands and we can remove it
    prev[-1] == ';' && prev[-1] = ''
  end.map do |c|
    Shellwords.shelljoin(c)
  end

  # Print help if we have no commands, or all the commands are empty
  return cmd_repeat '-h' if cmds.all? &:empty?

  begin
    looper.call do
      cmds.each do |c|
        driver.run_single c, propagate_errors: true
      end
    end
  rescue ::Exception
    # Stop looping on exception
    nil
  end
end

#cmd_repeat_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2757

def cmd_repeat_help
  cmd_repeat '-h'
end

#cmd_repeat_tabs(str, words) ⇒ Object

Almost the exact same as grep



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2821

def cmd_repeat_tabs(str, words)
  str = '-' if str.empty? # default to use repeat's options
  tabs = cmd_repeat '--generate-completions', str

  # if not an opt, use normal tab comp.
  # @todo uncomment out next line when tab_completion normalization is complete RM7649 or
  # replace with new code that permits "nested" tab completion
  # tabs = driver.get_all_commands if (str and str =~ /\w/)
  tabs
end

#cmd_route(*args) ⇒ Object

This method handles the route command which allows a user to specify which session a given subnet should route through.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1123

def cmd_route(*args)
  begin
    args << 'print' if args.length == 0

    action = args.shift
    case action
    when "add", "remove", "del"
      subnet = args.shift
      subnet, cidr_mask = subnet.split("/")

      if Rex::Socket.is_ip_addr?(args.first)
        netmask = args.shift
      elsif Rex::Socket.is_ip_addr?(subnet)
        cidr_mask ||= Rex::Socket.is_ipv6?(subnet) ? 128 : 32
        netmask = Rex::Socket.addr_ctoa(cidr_mask, v6: Rex::Socket.is_ipv6?(subnet))
      end

      netmask = args.shift if netmask.nil?
      gateway_name = args.shift

      if (subnet.nil? || netmask.nil? || gateway_name.nil?)
        print_error("Missing arguments to route #{action}.")
        return false
      end

      case gateway_name
      when /local/i
        gateway = Rex::Socket::Comm::Local
      when /^(-1|[0-9]+)$/
        session = framework.sessions.get(gateway_name)
        if session.kind_of?(Msf::Session::Comm)
          gateway = session
        elsif session.nil?
          print_error("Not a session: #{gateway_name}")
          return false
        else
          print_error("Cannot route through the specified session (not a Comm)")
          return false
        end
      else
        print_error("Invalid gateway")
        return false
      end

      msg = "Route "
      if action == "remove" or action == "del"
        worked = Rex::Socket::SwitchBoard.remove_route(subnet, netmask, gateway)
        msg << (worked ? "removed" : "not found")
      else
        worked = Rex::Socket::SwitchBoard.add_route(subnet, netmask, gateway)
        msg << (worked ? "added" : "already exists")
      end
      print_status(msg)

    when "get"
      if (args.length == 0)
        print_error("You must supply an IP address.")
        return false
      end

      comm = Rex::Socket::SwitchBoard.best_comm(args[0])

      if ((comm) and
          (comm.kind_of?(Msf::Session)))
        print_line("#{args[0]} routes through: Session #{comm.sid}")
      else
        print_line("#{args[0]} routes through: Local")
      end


    when "flush"
      Rex::Socket::SwitchBoard.flush_routes

    when "print"
      # IPv4 Table
      tbl_ipv4 = Table.new(
        Table::Style::Default,
        'Header'  => "IPv4 Active Routing Table",
        'Prefix'  => "\n",
        'Postfix' => "\n",
        'Columns' =>
          [
            'Subnet',
            'Netmask',
            'Gateway',
          ],
        'ColProps' =>
          {
            'Subnet'  => { 'Width' => 17 },
            'Netmask' => { 'Width' => 17 },
          })

      # IPv6 Table
      tbl_ipv6 = Table.new(
        Table::Style::Default,
        'Header'  => "IPv6 Active Routing Table",
        'Prefix'  => "\n",
        'Postfix' => "\n",
        'Columns' =>
          [
            'Subnet',
            'Netmask',
            'Gateway',
          ],
        'ColProps' =>
          {
            'Subnet'  => { 'Width' => 17 },
            'Netmask' => { 'Width' => 17 },
          })

      # Populate Route Tables
      Rex::Socket::SwitchBoard.each { |route|
        if (route.comm.kind_of?(Msf::Session))
          gw = "Session #{route.comm.sid}"
        else
          gw = route.comm.name.split(/::/)[-1]
        end

        tbl_ipv4 << [ route.subnet, route.netmask, gw ] if Rex::Socket.is_ipv4?(route.netmask)
        tbl_ipv6 << [ route.subnet, route.netmask, gw ] if Rex::Socket.is_ipv6?(route.netmask)
      }

      # Print Route Tables
      print(tbl_ipv4.to_s) if tbl_ipv4.rows.length > 0
      print(tbl_ipv6.to_s) if tbl_ipv6.rows.length > 0

      if (tbl_ipv4.rows.length + tbl_ipv6.rows.length) < 1
        print_status("There are currently no routes defined.")
      elsif (tbl_ipv4.rows.length < 1) && (tbl_ipv6.rows.length > 0)
        print_status("There are currently no IPv4 routes defined.")
      elsif (tbl_ipv4.rows.length > 0) && (tbl_ipv6.rows.length < 1)
        print_status("There are currently no IPv6 routes defined.")
      end

    else
      cmd_route_help
    end
  rescue => error
    elog(error)
    print_error(error.message)
  end
end

#cmd_route_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1088

def cmd_route_help
  print_line "Route traffic destined to a given subnet through a supplied session."
  print_line
  print_line "Usage:"
  print_line "  route [add/remove] subnet netmask [comm/sid]"
  print_line "  route [add/remove] cidr [comm/sid]"
  print_line "  route [get] <host or network>"
  print_line "  route [flush]"
  print_line "  route [print]"
  print_line
  print_line "Subcommands:"
  print_line "  add - make a new route"
  print_line "  remove - delete a route; 'del' is an alias"
  print_line "  flush - remove all routes"
  print_line "  get - display the route for a given target"
  print_line "  print - show all active routes"
  print_line
  print_line "Examples:"
  print_line "  Add a route for all hosts from 192.168.0.0 to 192.168.0.255 through session 1"
  print_line "    route add 192.168.0.0 255.255.255.0 1"
  print_line "    route add 192.168.0.0/24 1"
  print_line
  print_line "  Delete the above route"
  print_line "    route remove 192.168.0.0/24 1"
  print_line "    route del 192.168.0.0 255.255.255.0 1"
  print_line
  print_line "  Display the route that would be used for the given host or network"
  print_line "    route get 192.168.0.11"
  print_line
end

#cmd_route_tabs(str, words) ⇒ Object

Tab completion for the route command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1272

def cmd_route_tabs(str, words)
  if words.length == 1
    return %w{add remove get flush print}
  end

  ret = []
  case words[1]
  when "remove", "del"
    Rex::Socket::SwitchBoard.each { |route|
      case words.length
      when 2
        ret << route.subnet
      when 3
        if route.subnet == words[2]
          ret << route.netmask
        end
      when 4
        if route.subnet == words[2]
          ret << route.comm.sid.to_s if route.comm.kind_of? Msf::Session
        end
      end
    }
    ret
  when "add"
    # We can't really complete the subnet and netmask args without
    # diving pretty deep into all sessions, so just be content with
    # completing sids for the last arg
    if words.length == 4
      ret = framework.sessions.keys.map { |k| k.to_s }
    end
  # The "get" command takes one arg, but we can't complete it either...
  end

  ret
end

#cmd_save(*args) ⇒ Object

Deletes or saves the active datastore contents to disk for automatic use across restarts of the console.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1333

def cmd_save(*args)
  if args.include?('-h') || args.include?('--help')
    cmd_save_help
    return false
  end

  if args.empty?
    # Save config for current module
    # Save the console config
    driver.save_config

    begin
      FeatureManager.instance.save_config
    rescue StandardException => e
      elog(e)
    end

    # Save the framework's datastore
    begin
      framework.save_config
      if driver.framework.dns_resolver
        driver.framework.dns_resolver.save_config
      end

      if active_module
        active_module.save_config
      end
    rescue
      log_error("Save failed: #{$!}")
      return false
    end

    print_line("Saved configuration to: #{Msf::Config.config_file}")
  end

  @@save_opts.parse(args) do |opt|
    case opt
    when '-d'
      # Delete all saved options for modules from the config file.
      # No framework options will be deleted.
      begin
        ini = Rex::Parser::Ini.new(::Msf::Config.config_file)

        ini.delete_if { |k, _v| !k.start_with?('framework') }

        ini.to_file(::Msf::Config.config_file)
      rescue StandardError
        print_error("Failed to delete console config: #{$!}")
      end

      if active_module
        active_module.import_defaults
      end
      print_line('Deleted saved configs for all modules.')
    when '-r'
      active_module.import_defaults
      print_line('Reloaded default options.')
    when '-l'
      active_module.load_config
      print_line("Loaded config from #{Msf::Config.config_file}.")
    when '-h'
      cmd_save_help
      return false
    else
      print_line("Unknown option: #{opt}")
      print(@@save_opts.usage)
    end
  end
end

#cmd_save_helpObject

Print save help information



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1321

def cmd_save_help
  print_line 'Usage: save [options]'
  print_line
  print_line 'Save the active datastore contents to disk for automatic use across restarts of the console'
  print_line "The configuration is stored in #{Msf::Config.config_file}"
  print @@save_opts.usage
end

#cmd_save_tabs(str, words) ⇒ Object

Tab completion for the save command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1314

def cmd_save_tabs(str, words)
  if words.length == 1
    @@save_opts.option_keys.select { |opt| opt.start_with?(str) }
  end
end

#cmd_sessions(*args) ⇒ Object

Provides an interface to the sessions currently active in the framework.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1451

def cmd_sessions(*args)
  begin
  method   = nil
  quiet    = false
  show_active = false
  show_inactive = false
  show_extended = false
  verbose  = false
  sid      = nil
  cmds     = []
  script   = nil
  response_timeout = 15
  search_term = nil
  session_name = nil
  has_script_arguments = false

  # any arguments that don't correspond to an option or option arg will
  # be put in here
  extra   = []

  if args.length == 1 && args[0] =~ /-?\d+/
    method = 'interact'
    sid = args[0].to_i
  else
    # Parse the command options
    @@sessions_opts.parse(args) do |opt, idx, val|
      next if has_script_arguments

      case opt
      when "-q", "--quiet"
        quiet = true
      # Run a command on all sessions, or the session given with -i
      when "-c", "--command"
        method = 'cmd'
        cmds << val if val
      when "-C", "--meterpreter-command"
          method = 'meterp-cmd'
          cmds << val if val
      # Display the list of inactive sessions
      when "-d", "--list-inactive"
        show_inactive = true
        method = 'list_inactive'
      when "-x", "--list-extended"
        show_extended = true
      when "-v", "--list-verbose"
        verbose = true
      # Do something with the supplied session identifier instead of
      # all sessions.
      when "-i", "--interact"
        sid = val
      # Display the list of active sessions
      when "-l", "--list"
        show_active = true
        method = 'list'
      when "-k", "--kill"
        method = 'kill'
        sid = val || false
      when "-K", "--kill-all"
        method = 'killall'
      # Run a script or module on specified sessions
      when "-s", "--script"
        unless script
          method = 'script'
          script = val
          # Assume any parameter after the script name is a flag/argument we want to pass to the script itself.
          extra += args[(idx + 1)..-1]
          has_script_arguments = true
        end
      # Upload and exec to the specific command session
      when "-u", "--upgrade"
        method = 'upexec'
        sid = val || false
      # Search for specific session
      when "-S", "--search"
        search_term = val
      # Display help banner
      when "-h", "--help"
        cmd_sessions_help
        return false
      when "-t", "--timeout"
        if val.to_s =~ /^\d+$/
          response_timeout = val.to_i
        end
      when "-n", "--name"
        method = 'name'
        session_name = val
      else
        extra << val
      end
    end
  end

  if !method && sid
    method = 'interact'
  end

  unless sid.nil? || method == 'interact'
    session_list = build_range_array(sid)
    if session_list.blank?
      print_error('Please specify valid session identifier(s)')
      return false
    end
  end

  if show_inactive && !framework.db.active
    print_warning("Database not connected; list of inactive sessions unavailable")
  end

  if search_term
    matching_sessions = get_matching_sessions(search_term)

    # check for nil value indicating validation has found invalid input in search helper functions. Error will have been printed already
    unless matching_sessions
      return nil
    end

    if matching_sessions.empty?
      print_error('No matching sessions.')
      return nil
    end
  end

  last_known_timeout = nil

  # Now, perform the actual method
  case method
  when 'cmd'
    if cmds.length < 1
      print_error("No command specified!")
      return false
    end

    cmds.each do |cmd|
      if sid
        sessions = session_list
      elsif matching_sessions
        sessions = matching_sessions
      else
        sessions = framework.sessions.keys.sort
      end
      if sessions.blank?
        print_error("Please specify valid session identifier(s) using -i")
        return false
      end
      sessions.each do |s|
        session = verify_session(s)
        next unless session
        print_status("Running '#{cmd}' on #{session.type} session #{s} (#{session.session_host})")
        if session.respond_to?(:response_timeout)
          last_known_timeout = session.response_timeout
          session.response_timeout = response_timeout
        end

        begin
          case session.type.downcase
          when 'meterpreter'
            # If session.sys is nil, dont even try..
            unless session.sys
              print_error("Session #{s} does not have stdapi loaded, skipping...")
              next
            end
            c, c_args = cmd.split(' ', 2)
            begin
              data = session.sys.process.capture_output(c, c_args,
              {
                'Channelized' => true,
                'Subshell'    => true,
                'Hidden'      => true
              }, response_timeout)
              print_line(data) unless data.blank?
            rescue ::Rex::Post::Meterpreter::RequestError
              print_error("Failed: #{$!.class} #{$!}")
            rescue ::Rex::TimeoutError
              print_error("Operation timed out. Timeout currently #{session.response_timeout} seconds, you can configure this with %grnsessions -c <cmd> --timeout <value>%clr")
            end
          when 'shell', 'powershell'
            output = session.shell_command(cmd)
            print_line(output) if output
          when 'mssql', 'postgresql', 'mysql'
            session.run_cmd(cmd, driver.output)
          end
        ensure
          # Restore timeout for each session
          if session.respond_to?(:response_timeout) && last_known_timeout
            session.response_timeout = last_known_timeout
          end
        end
        # If the session isn't a meterpreter or shell type, it
        # could be a VNC session (which can't run commands) or
        # something custom (which we don't know how to run
        # commands on), so don't bother.
      end
    end
    when 'meterp-cmd'
      if cmds.length < 1
        print_error("No command specified!")
        return false
      end

      if sid
        sessions = session_list
      else
        sessions = framework.sessions.keys.sort
      end
      if sessions.blank?
        print_error("Please specify valid session identifier(s) using -i")
        return false
      end

      cmds.each do |cmd|
        sessions.each do |session|
          begin
            session = verify_session(session)
            unless session.type == 'meterpreter'
              print_error "Session ##{session.sid} is not a Meterpreter shell. Skipping..."
              next
            end

            next unless session
            print_status("Running '#{cmd}' on #{session.type} session #{session.sid} (#{session.session_host})")
            if session.respond_to?(:response_timeout)
              last_known_timeout = session.response_timeout
              session.response_timeout = response_timeout
              session.on_run_command_error_proc = log_on_timeout_error("Send timed out. Timeout currently #{session.response_timeout} seconds, you can configure this with %grnsessions -C <cmd> --timeout <value>%clr")
            end

            output = session.run_cmd(cmd, driver.output)
          ensure
            if session.respond_to?(:response_timeout) && last_known_timeout
              session.response_timeout = last_known_timeout
              session.on_run_command_error_proc = nil
            end
          end
        end
      end
  when 'kill'
    print_status("Killing the following session(s): #{session_list.join(', ')}")
    session_list.each do |sess_id|
      session = framework.sessions.get(sess_id)
      if session
        if session.respond_to?(:response_timeout)
          last_known_timeout = session.response_timeout
          session.response_timeout = response_timeout
        end
        print_status("Killing session #{sess_id}")
        begin
          session.kill
        ensure
          if session.respond_to?(:response_timeout) && last_known_timeout
            session.response_timeout = last_known_timeout
          end
        end
      else
        print_error("Invalid session identifier: #{sess_id}")
      end
    end
  when 'killall'
    if matching_sessions
      print_status('Killing matching sessions...')
      print_line
      print(Serializer::ReadableText.dump_sessions(framework, show_active: show_active, show_inactive: show_inactive, show_extended: show_extended, verbose: verbose, sessions: matching_sessions))
      print_line
    else
      matching_sessions = framework.sessions
      print_status('Killing all sessions...')
    end
    matching_sessions.each do |_session_id, session|
      next unless session

      if session.respond_to?(:response_timeout)
        last_known_timeout = session.response_timeout
        session.response_timeout = response_timeout
      end
      begin
        session.kill
      ensure
        if session.respond_to?(:response_timeout) && last_known_timeout
          session.response_timeout = last_known_timeout
        end
      end
    end
  when 'interact'
    while sid
      session = verify_session(sid)
      if session
        if session.respond_to?(:response_timeout)
          last_known_timeout = session.response_timeout
          session.response_timeout = response_timeout
          session.on_run_command_error_proc = log_on_timeout_error("Send timed out. Timeout currently #{session.response_timeout} seconds, you can configure this with %grnsessions --interact <id> --timeout <value>%clr")
        end
        print_status("Starting interaction with #{session.name}...\n") unless quiet
        begin
          self.active_session = session

          sid = session.interact(driver.input.dup, driver.output)
          self.active_session = nil
          driver.input.reset_tab_completion if driver.input.supports_readline
        ensure
          if session.respond_to?(:response_timeout) && last_known_timeout
            session.response_timeout = last_known_timeout
            session.on_run_command_error_proc = nil
          end
        end
      else
        sid = nil
      end
    end
  when 'script'
    unless script
      print_error("No script or module specified!")
      return false
    end
    sessions = sid ? session_list : framework.sessions.keys.sort

    sessions.each do |sess_id|
      session = verify_session(sess_id, true)
      # @TODO: Not interactive sessions can or cannot have scripts run on them?
      if session == false # specifically looking for false
        # if verify_session returned false, sess_id is valid, but not interactive
        session = framework.sessions.get(sess_id)
      end
      if session
        if session.respond_to?(:response_timeout)
          last_known_timeout = session.response_timeout
          session.response_timeout = response_timeout
          session.on_run_command_error_proc = log_on_timeout_error("Send timed out. Timeout currently #{session.response_timeout} seconds, you can configure this with %grnsessions --timeout <value> --script <script> <id>%clr")
        end
        begin
          print_status("Session #{sess_id} (#{session.session_host}):")
          print_status("Running #{script} on #{session.type} session" +
                        " #{sess_id} (#{session.session_host})")
          begin
            session.init_ui(driver.input, driver.output)
            session.execute_script(script, *extra)
          rescue ::Exception => e
            log_error("Error executing script or module: #{e.class} #{e}")
          end
        ensure
          if session.respond_to?(:response_timeout) && last_known_timeout
            session.response_timeout = last_known_timeout
            session.on_run_command_error_proc = nil
          end
          session.reset_ui
        end
      else
        print_error("Invalid session identifier: #{sess_id}")
      end
    end
  when 'upexec'
    print_status("Executing 'post/multi/manage/shell_to_meterpreter' on " +
                  "session(s): #{session_list}")
    session_list.each do |sess_id|
      session = verify_session(sess_id)
      if session
        if session.respond_to?(:response_timeout)
          last_known_timeout = session.response_timeout
          session.response_timeout = response_timeout
        end
        begin
          session.init_ui(driver.input, driver.output)
          session.execute_script('post/multi/manage/shell_to_meterpreter')
          session.reset_ui
        ensure
          if session.respond_to?(:response_timeout) && last_known_timeout
            session.response_timeout = last_known_timeout
          end
        end
      end

      if session_list.count > 1
        print_status("Sleeping 5 seconds to allow the previous handler to finish..")
        sleep(5)
      end
    end
  when 'list', 'list_inactive', nil
    print_line
    print(Serializer::ReadableText.dump_sessions(framework, show_active: show_active, show_inactive: show_inactive, show_extended: show_extended, verbose: verbose, sessions: matching_sessions))
    print_line
  when 'name'
    if session_name.blank?
      print_error('Please specify a valid session name')
      return false
    end

    sessions = sid ? session_list : nil

    if sessions.nil? || sessions.empty?
      print_error("Please specify valid session identifier(s) using -i")
      return false
    end

    sessions.each do |s|
      if framework.sessions[s].respond_to?(:name=)
        framework.sessions[s].name = session_name
        print_status("Session #{s} named to #{session_name}")
      else
        print_error("Session #{s} cannot be named")
      end
    end
  end

  rescue IOError, EOFError, Rex::StreamClosedError
    print_status("Session stream closed.")
  rescue ::Interrupt
    raise $!
  rescue ::Exception
    log_error("Session manipulation failed: #{$!} #{$!.backtrace.inspect}")
  end

  # Reset the active session
  self.active_session = nil

  true
end

#cmd_sessions_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1437

def cmd_sessions_help
  print_line('Usage: sessions [options] or sessions [id]')
  print_line
  print_line('Active session manipulation and interaction.')
  print(@@sessions_opts.usage)
  print_line
  print_line('Many options allow specifying session ranges using commas and dashes.')
  print_line('For example:  sessions -s checkvm -i 1,3-5  or  sessions -k 1-2,5,6')
  print_line
end

#cmd_sessions_tabs(str, words) ⇒ Object

Tab completion for the sessions command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2050

def cmd_sessions_tabs(str, words)
  if words.length == 1
    return @@sessions_opts.option_keys.select { |opt| opt.start_with?(str) }
  end

  case words[-1]
  when "-i", "--interact", "-k", "--kill", "-u", "--upgrade"
    return framework.sessions.keys.map { |k| k.to_s }

  when "-c", "--command"
    # Can't really complete commands hehe

  when "-s", "--search"
    # XXX: Complete scripts

  end

  []
end

#cmd_set(*args) ⇒ Object

Sets a name to a value in a context aware environment.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2087

def cmd_set(*args)
  # Figure out if these are global variables
  global = false
  append = false
  clear = false

  # Manually parse options to allow users to set the strings
  # such as `-g` in a datastore value
  loop do
    if args[0] == '-g' || args[0] == '--global'
      args.shift
      global = true
    elsif args[0] == '-a'
      args.shift
      append = true
    elsif (args[0] == '-c' || args[0] == '--clear') && framework.features.enabled?(Msf::FeatureManager::DATASTORE_FALLBACKS)
      args.shift
      clear = true
    else
      break
    end
  end

  valid_options = []
  # Determine which data store we're operating on
  if (active_module and global == false)
    datastore = active_module.datastore

    tab_complete_option_names(active_module, '', []).each do |opt_name|
      valid_options << opt_name
      option = active_module.options[opt_name]
      next unless option

      # aliases that are defined for backwards compatibility are not tab completed but are still valid option names
      valid_options += active_module.options[opt_name].aliases
    end
  else
    global = true
    datastore = self.framework.datastore
  end

  # Dump the contents of the active datastore if no args were supplied
  if (args.length == 0)
    # If we aren't dumping the global data store, then go ahead and
    # dump it first
    if (!global)
      print("\n" +
        Msf::Serializer::ReadableText.dump_datastore(
          "Global", framework.datastore))
    end

    # Dump the active datastore
    print("\n" +
      Msf::Serializer::ReadableText.dump_datastore(
        (global) ? "Global" : "Module: #{active_module.refname}",
        datastore) + "\n")
    return true
  elsif args.length == 1 && !clear
    if global || valid_options.any? { |vo| vo.casecmp?(args[0]) }
      print_line("#{args[0]} => #{datastore[args[0]]}")
      return true
    else
      message = "Unknown datastore option: #{args[0]}."
      suggestion = DidYouMean::SpellChecker.new(dictionary: valid_options).correct(args[0]).first
      message << " Did you mean #{suggestion}?" if suggestion
      print_error(message)
      cmd_set_help
      return false
    end
  end

  # Set the supplied name to the supplied value
  name, *values_array = args
  if clear
    value = nil
  elsif name.casecmp?('RHOST') || name.casecmp?('RHOSTS')
    # Wrap any values which contain spaces in quotes to ensure it's parsed correctly later
    value = values_array.map { |value| value.include?(' ') ? "\"#{value}\"" : value }.join(' ')
  else
    value = values_array.join(' ')
  end

  # Set PAYLOAD
  if name.upcase == 'PAYLOAD' && active_module && (active_module.exploit? || active_module.evasion?) && !clear
    value = trim_path(value, 'payload')

    index_from_list(payload_show_results, value) do |mod|
      return false unless mod && mod.respond_to?(:first)

      # [name, class] from payload_show_results
      value = mod.first
    end
  end

  unless global || valid_options.any? { |vo| vo.casecmp?(name) }
    message = "Unknown datastore option: #{name}."
    suggestion = DidYouMean::SpellChecker.new(dictionary: valid_options).correct(name).first
    message << " Did you mean #{suggestion}?" if suggestion
    print_warning(message)
  end

  # If the driver indicates that the value is not valid, bust out.
  if (driver.on_variable_set(global, name, value) == false)
    print_error("The value specified for #{name} is not valid.")
    return false
  end

  # Save the old value before changing it, in case we need to compare it
  old_value = datastore[name]

  begin
    if append
      datastore[name] = datastore[name] + value
    else
      datastore[name] = value
    end
  rescue Msf::OptionValidateError => e
    print_error(e.message)
    elog('Exception encountered in cmd_set', error: e)
  end

  # Set PAYLOAD from TARGET
  if name.upcase == 'TARGET' && active_module && (active_module.exploit? || active_module.evasion?)
    active_module.import_target_defaults
  end

  # If the new SSL value already set in datastore[name] is different from the old value, warn the user
  if name.casecmp('SSL') == 0 && datastore[name] != old_value
    print_warning("Changing the SSL option's value may require changing RPORT!")
  end

  if name.casecmp?('SessionTlvLogging')
    # Check if we need to append the default filename if user provided an output directory
    if datastore[name].start_with?('file:')
      pathname = ::Pathname.new(datastore[name].split('file:').last)
      if ::File.directory?(pathname)
        datastore[name] = ::File.join(datastore[name], 'sessiontlvlogging.txt')
      end
    end

    framework.sessions.each { |_index, session| session.initialize_tlv_logging(datastore[name]) if session.type.casecmp? 'meterpreter' }
  end

  print_line("#{name} => #{datastore[name]}")
end

#cmd_set_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2070

def cmd_set_help
  print_line "Usage: set [options] [name] [value]"
  print_line
  print_line "Set the given option to value.  If value is omitted, print the current value."
  print_line "If both are omitted, print options that are currently set."
  print_line
  print_line "If run from a module context, this will set the value in the module's"
  print_line "datastore.  Use -g to operate on the global datastore."
  print_line
  print_line "If setting a PAYLOAD, this command can take an index from `show payloads'."
  print @@set_opts.usage if framework.features.enabled?(Msf::FeatureManager::DATASTORE_FALLBACKS)
  print_line
end

#cmd_set_tabs(str, words) ⇒ Object

Tab completion for the set command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2243

def cmd_set_tabs(str, words)
  # A value has already been specified
  if words.length > 3
    return []
  elsif words.length == 3 and words[1] != '-g' and words[1] != '--global'
    return []
  end

  # A value needs to be specified, show tab completion options where possible
  if words.length == 3 or (words.length == 2 and words[1][0] != '-')
    return tab_complete_option_values(active_module, str, words, opt: words[-1])
  end

  option_names = tab_complete_option_names(active_module, str, words)
  if words.length == 1
    # Only the command has been provided, offer options which immediately follow the command
    options = @@set_opts.option_keys.select { |opt| opt.start_with?(str) }
    return options + option_names
  end

  option_names
end

#cmd_setg(*args) ⇒ Object

Sets the supplied variables in the global datastore.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2295

def cmd_setg(*args)
  args.unshift('-g')

  cmd_set(*args)
end

#cmd_setg_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2266

def cmd_setg_help
  print_line "Usage: setg [option] [value]"
  print_line
  print_line "Exactly like set -g, set a value in the global datastore."
  print @@setg_opts.usage if framework.features.enabled?(Msf::FeatureManager::DATASTORE_FALLBACKS)
  print_line
end

#cmd_setg_tabs(str, words) ⇒ Object

Tab completion for the setg command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2308

def cmd_setg_tabs(str, words)
  cmd_set_tabs(str, words)
end

#cmd_sleep(*args) ⇒ Object

Causes process to pause for the specified number of seconds



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 841

def cmd_sleep(*args)
  return if not (args and args.length == 1)
  Rex::ThreadSafe.sleep(args[0].to_f)
end

#cmd_sleep_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 831

def cmd_sleep_help
  print_line "Usage: sleep <seconds>"
  print_line
  print_line "Do nothing the specified number of seconds.  This is useful in rc scripts."
  print_line
end

#cmd_spool(*args) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1415

def cmd_spool(*args)
  if args.include?('-h') or args.empty?
    cmd_spool_help
    return
  end

  color = driver.output.config[:color]

  if args[0] == "off"
    driver.init_ui(driver.input, Rex::Ui::Text::Output::Stdio.new)
    msg = "Spooling is now disabled"
  else
    driver.init_ui(driver.input, Rex::Ui::Text::Output::Tee.new(args[0]))
    msg = "Spooling to file #{args[0]}..."
  end

  # Restore color
  driver.output.config[:color] = color

  print_status(msg)
end

#cmd_spool_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1403

def cmd_spool_help
  print_line "Usage: spool <off>|<filename>"
  print_line
  print_line "Example:"
  print_line "  spool /tmp/console.log"
  print_line
end

#cmd_spool_tabs(str, words) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1411

def cmd_spool_tabs(str, words)
  tab_complete_filenames(str, words)
end

#cmd_threads(*args) ⇒ Object

Displays and manages running background threads



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 856

def cmd_threads(*args)
  # Make the default behavior listing all jobs if there were no options
  # or the only option is the verbose flag
  if (args.length == 0 or args == ["-v"])
    args.unshift("-l")
  end

  verbose = false
  dump_list = false
  dump_info = false
  thread_id = nil

  # Parse the command options
  @@threads_opts.parse(args) { |opt, idx, val|
    case opt
      when "-v"
        verbose = true
      when "-l"
        dump_list = true

      # Terminate the supplied thread id
      when "-k"
        val = val.to_i
        if not framework.threads[val]
          print_error("No such thread")
        else
          print_line("Terminating thread: #{val}...")
          framework.threads.kill(val)
        end
      when "-K"
        print_line("Killing all non-critical threads...")
        framework.threads.each_index do |i|
          t = framework.threads[i]
          next if not t
          next if t[:tm_crit]
          framework.threads.kill(i)
        end
      when "-i"
        # Defer printing anything until the end of option parsing
        # so we can check for the verbose flag.
        dump_info = true
        thread_id = val.to_i
      when "-h"
        cmd_threads_help
        return false
    end
  }

  if (dump_list)
    tbl = Table.new(
      Table::Style::Default,
      'Header'  => "Background Threads",
      'Prefix'  => "\n",
      'Postfix' => "\n",
      'Columns' =>
        [
          'ID',
          'Status',
          'Critical',
          'Name',
          'Started'
        ]
    )

    framework.threads.each_index do |i|
      t = framework.threads[i]
      next if not t
      tbl << [ i.to_s, t.status || "dead", t[:tm_crit] ? "True" : "False", t[:tm_name].to_s, t[:tm_time].to_s ]
    end
    print(tbl.to_s)
  end

  if (dump_info)
    thread = framework.threads[thread_id]

    if (thread)
      output  = "\n"
      output += "  ID: #{thread_id}\n"
      output += "Name: #{thread[:tm_name]}\n"
      output += "Info: #{thread.status || "dead"}\n"
      output += "Crit: #{thread[:tm_crit] ? "True" : "False"}\n"
      output += "Time: #{thread[:tm_time].to_s}\n"

      if (verbose)
        output += "\n"
        output += "Thread Source\n"
        output += "=============\n"
        thread[:tm_call].each do |c|
          output += "      #{c.to_s}\n"
        end
        output += "\n"
      end

      print(output + "\n")
    else
      print_line("Invalid Thread ID")
    end
  end
end

#cmd_threads_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 846

def cmd_threads_help
  print_line "Usage: threads [options]"
  print_line
  print_line "Background thread management."
  print_line @@threads_opts.usage()
end

#cmd_threads_tabs(str, words) ⇒ Object

Tab completion for the threads command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 962

def cmd_threads_tabs(str, words)
  if words.length == 1
    return @@threads_opts.option_keys
  end

  if words.length == 2 && @@threads_opts.include?(words[1]) && @@threads_opts.arg_required?(words[1])
    return framework.threads.each_index.map{ |idx| idx.to_s }
  end

  []
end

#cmd_tips(*args) ⇒ Object Also known as: cmd_tip

Display useful productivity tips to the user.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 321

def cmd_tips(*args)
  if args.include?("-h") || args.include?("--help")
    cmd_tip_help
  else
    tbl = Table.new(
      Table::Style::Default,
      'Columns' => %w[Id Tip]
    )

    Tip.all.each_with_index do |tip, index|
      tbl << [ index, tip ]
    end

    print(tbl.to_s)
  end
end

#cmd_tips_helpObject Also known as: cmd_tip_help



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 309

def cmd_tips_help
  print_line "Usage: tips [options]"
  print_line
  print_line "Print a useful list of productivity tips on how to use Metasploit"
  print @@tip_opts.usage
end

#cmd_tips_tabs(str, words) ⇒ Object

Tab completion for the tips command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 301

def cmd_tips_tabs(str, words)
  if words.length == 1
    return @@tip_opts.option_keys.select { |opt| opt.start_with?(str) }
  end

  []
end

#cmd_unload(*args) ⇒ Object

Unloads a plugin by its name.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2324

def cmd_unload(*args)
  if (args.length == 0)
    cmd_unload_help
    return false
  end

  # Find a plugin within the plugins array
  plugin = framework.plugins.find { |p| p.name.downcase == args[0].downcase }

  # Unload the plugin if it matches the name we're searching for
  if plugin
    print("Unloading plugin #{args[0]}...")
    framework.plugins.unload(plugin)
    print_line("unloaded.")
  end
end

#cmd_unload_helpObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2313

def cmd_unload_help
  print_line "Usage: unload <plugin name>"
  print_line
  print_line "Unloads a plugin by its symbolic name.  Use 'show plugins' to see a list of"
  print_line "currently loaded plugins."
  print_line
end

#cmd_unload_tabs(str, words) ⇒ Object

Tab completion for the unload command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2348

def cmd_unload_tabs(str, words)
  return [] if words.length > 1

  tabs = []
  framework.plugins.each { |k| tabs.push(k.name) }
  return tabs
end

#cmd_unset(*args) ⇒ Object

Unsets a value if it's been set.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2452

def cmd_unset(*args)
  if framework.features.enabled?(Msf::FeatureManager::DATASTORE_FALLBACKS)
    return cmd_unset_with_fallbacks(*args)
  end

  # Figure out if these are global variables
  global = false

  if (args[0] == '-g')
    args.shift
    global = true
  end

  # Determine which data store we're operating on
  if (active_module and global == false)
    datastore = active_module.datastore
  else
    datastore = framework.datastore
  end

  # No arguments?  No cookie.
  if (args.length == 0)
    cmd_unset_help
    return false
  end

  # If all was specified, then flush all of the entries
  if args[0] == 'all'
    print_line("Flushing datastore...")

    # Re-import default options into the module's datastore
    if (active_module and global == false)
      active_module.import_defaults
    # Or simply clear the global datastore
    else
      datastore.clear
    end

    return true
  end

  while ((val = args.shift))
    if (driver.on_variable_unset(global, val) == false)
      print_error("The variable #{val} cannot be unset at this time.")
      next
    end

    print_line("Unsetting #{val}...")

    datastore.delete(val)
  end
end

#cmd_unset_helpObject Also known as: cmd_unsetg_help



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2431

def cmd_unset_help
  if framework.features.enabled?(Msf::FeatureManager::DATASTORE_FALLBACKS)
    print_line "Usage: unset [-g] var1 var2 var3 ..."
    print_line
    print_line "The unset command is used to unset one or more variables."
    print_line "To flush all entries, specify 'all' as the variable name."
    print_line "With -g, operates on global datastore variables."
    print_line
  else
    print_line "Usage: unset [options] var1 var2 var3 ..."
    print_line
    print_line "The unset command is used to unset one or more variables which have been set by the user."
    print_line "To update all entries, specify 'all' as the variable name."
    print @@unset_opts.usage
    print_line
  end
end

#cmd_unset_tabs(str, words) ⇒ Object

Tab completion for the unset command

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. `words` is always at least 1 when tab completion has reached this stage since the command itself has been completed.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2281

def cmd_unset_tabs(str, words)
  datastore_names = tab_complete_module_datastore_names(active_module, str, words)
  if words.length == 1
    # Only the command has been provided, offer options which immediately follow the command
    options = @@unset_opts.option_keys.select { |opt| opt.start_with?(str) }
    return options + datastore_names
  end

  datastore_names
end

#cmd_unset_with_fallbacks(*args) ⇒ Object

Unsets a value if it's been set, resetting the value back to a default value



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2508

def cmd_unset_with_fallbacks(*args)
  if args.include?('-h') || args.include?('--help')
    cmd_unset_help
    return
  end

  # Figure out if these are global variables
  global = false

  @@unset_opts.parse(args) do |opt, idx, val|
    case opt
    when '-g'
      global = true
    end
  end

  variable_names = args.reject { |arg| arg.start_with?('-') }

  # No variable names? No cookie.
  if variable_names.empty?
    cmd_unset_help
    return false
  end

  # Determine which data store we're operating on
  if active_module && !global
    datastore = active_module.datastore
  else
    datastore = framework.datastore
  end

  is_all_variables = variable_names[0] == 'all'
  if is_all_variables
    variable_names = datastore.keys
    variable_names += Msf::DataStore::GLOBAL_KEYS if global
    variable_names += ['PAYLOAD'] if !global && active_module && (active_module.exploit? || active_module.evasion?)
    variable_names = variable_names.uniq(&:downcase)
  end

  print_line("Unsetting datastore...") if is_all_variables

  variable_names.each do |variable_name|
    if driver.on_variable_unset(global, variable_name) == false
      print_error("The variable #{variable_name} cannot be unset at this time.") # unless variable_name.casecmp?('PAYLOAD')
      next
    end

    print_line("Unsetting #{variable_name}...") unless is_all_variables
    datastore.unset(variable_name)
  end

  # Do a final pass over the datastore. If a user has unset a variable - but it continues to have a value either through
  # option defaults, or being globally set it might be confusing to users. In this scenario, log out a helpful message.
  #
  # i.e. the scenario of a user unsetting 'RHOSTS', but the value continues to inherit from the global framework datastore.
  unless is_all_variables
    variable_names.each do |variable_name|
      search_result = datastore.search_for(variable_name)
      if search_result.fallback?
        print_warning(
          "Variable #{variable_name.inspect} unset - but will continue to use #{search_result.fallback_key.inspect} as a fallback preference. " \
            "If this is not desired, either run #{Msf::Ui::Tip.highlight("set #{variable_name} new_value")} or #{Msf::Ui::Tip.highlight("unset #{search_result.fallback_key}")}"
        )
      elsif !global && search_result.global?
        print_warning(
          "Variable #{variable_name.inspect} unset - but will continue to use the globally set value as a preference. " \
            "If this is not desired, either run #{Msf::Ui::Tip.highlight("set --clear #{variable_name}")} or #{Msf::Ui::Tip.highlight("unsetg #{variable_name}")}"
        )
      elsif !search_result.value.nil?
        print_warning(
          "Variable #{variable_name.inspect} unset - but will use a default value still. " \
            "If this is not desired, set it to a new value or attempt to clear it with #{Msf::Ui::Tip.highlight("set --clear #{variable_name}")}"
        )
      end
    end
  end
end

#cmd_unsetg(*args) ⇒ Object

Unsets variables in the global data store.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2597

def cmd_unsetg(*args)
  args.unshift('-g')

  cmd_unset(*args)
end

#cmd_unsetg_tabs(str, words) ⇒ Object

Tab completion for the unsetg command

at least 1 when tab completion has reached this stage since the command itself has been completed

Parameters:

  • str (String)

    the string currently being typed before tab was hit

  • words (Array<String>)

    the previously completed words on the command line. words is always



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2610

def cmd_unsetg_tabs(str, words)
  tab_complete_datastore_names(framework.datastore, str, words)
end

#cmd_version(*args) ⇒ Object

Returns the revision of the framework and console library



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2619

def cmd_version(*args)
  print_line("Framework: #{Msf::Framework::Version}")
  print_line("Console  : #{Msf::Framework::Version}")
end

#commandsObject

Returns the list of commands supported by this command dispatcher



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 144

def commands
  {
    "?"          => "Help menu",
    "banner"     => "Display an awesome metasploit banner",
    "cd"         => "Change the current working directory",
    "connect"    => "Communicate with a host",
    "color"      => "Toggle color",
    "debug"      => "Display information useful for debugging",
    "exit"       => "Exit the console",
    "features"   => "Display the list of not yet released features that can be opted in to",
    "get"        => "Gets the value of a context-specific variable",
    "getg"       => "Gets the value of a global variable",
    "grep"       => "Grep the output of another command",
    "help"       => "Help menu",
    "history"    => "Show command history",
    "load"       => "Load a framework plugin",
    "quit"       => "Exit the console",
    "repeat"     => "Repeat a list of commands",
    "route"      => "Route traffic through a session",
    "save"       => "Saves the active datastores",
    "sessions"   => "Dump session listings and display information about sessions",
    "set"        => "Sets a context-specific variable to a value",
    "setg"       => "Sets a global variable to a value",
    "sleep"      => "Do nothing for the specified number of seconds",
    "tips"       => "Show a list of useful productivity tips",
    "threads"    => "View and manipulate background threads",
    "unload"     => "Unload a framework plugin",
    "unset"      => "Unsets one or more context-specific variables",
    "unsetg"     => "Unsets one or more global variables",
    "version"    => "Show the framework and console library version numbers",
    "spool"      => "Write console output into a file as well the screen"
  }
end

#deprecated_commandsObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 190

def deprecated_commands
  ['tip']
end

#evaluate_search_criteria(session, search_term) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1996

def evaluate_search_criteria(session, search_term)
  field, operator, value = search_term.split(':')

  case field
  when LAST_CHECKIN
    last_checkin_time = session.last_checkin
    offset = parse_duration(value)
    return nil unless offset

    threshold_time = Time.now - offset
    case operator
    when GREATER_THAN
      return threshold_time > last_checkin_time
    when LESS_THAN
      return threshold_time < last_checkin_time
    end
  when SESSION_ID
    return session.sid.to_s == operator
  when SESSION_TYPE
    return session.type.casecmp?(operator)
  end
end

#filter_sessions_by_search(search_term) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1970

def filter_sessions_by_search(search_term)
  matching_sessions = {}
  field, = search_term.split(':')
  framework.sessions.each do |session_id, session|
    if !session.respond_to?(:last_checkin) && (field == LAST_CHECKIN)
      next
    end

    matches_search = evaluate_search_criteria(session, search_term)
    return nil if matches_search.nil?

    case field
    when LAST_CHECKIN
      if session.last_checkin && evaluate_search_criteria(session, search_term)
        matching_sessions[session_id] = session
      end
    when SESSION_TYPE, SESSION_ID
      matching_sessions[session_id] = session if evaluate_search_criteria(session, search_term)
    else
      print_error("Unrecognized search term: #{field}")
      return nil
    end
  end
  matching_sessions
end

#get_matching_sessions(search_term) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1866

def get_matching_sessions(search_term)
  matching_sessions = {}
  terms = search_term.split
  id_searches = []
  type_searches = []
  checkin_searches = []
  searches = []

  # Group search terms by what's being searched for
  terms.each do |term|
    case term.split(':').first
    when SESSION_ID
      id_searches << term
    when SESSION_TYPE
      type_searches << term
    when LAST_CHECKIN
      checkin_searches << term
    else
      print_error("Please provide valid search term. Given: #{term.split(':').first}. Supported keywords are: #{VALID_SESSION_SEARCH_PARAMS.join(', ')}")
      return nil
    end
  end

  # Group results by search term - OR filters
  [id_searches, type_searches].each do |search|
    next if search.empty?

    id_matches = {}
    search.each do |term|
      matches = filter_sessions_by_search(term)
      return unless matches

      id_matches = id_matches.merge(matches)
    end
    searches << id_matches
  end

  # Retrieve checkin search results. AND filter with a max length of 2
  unless checkin_searches.empty?
    unless validate_checkin_searches(checkin_searches)
      return
    end

    checkin_matches = filter_sessions_by_search(checkin_searches.first)
    if checkin_searches[1]
      matches = filter_sessions_by_search(checkin_searches[1])
      checkin_matches = checkin_matches.select { |session_id, session| matches[session_id] == session }
    end
    searches << checkin_matches
  end

  # AND all the results together for final session list
  if searches.empty?
    print_error('Please provide a valid search query.')
    return nil
  else
    matching_sessions = searches.first
    searches[1..].each do |result_set|
      matching_sessions = matching_sessions.select { |session_id, session| result_set[session_id] == session }
    end
  end
  matching_sessions
end

#list_pluginsObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 984

def list_plugins
  plugin_directories = {
    'Framework' => Msf::Config.plugin_directory,
    'User'      => Msf::Config.user_plugin_directory
  }

  plugin_directories.each do |type, plugin_directory|
    items = Dir.entries(plugin_directory).keep_if { |n| n.match(/^.+\.rb$/)}
    next if items.empty?
    print_status("Available #{type} plugins:")
    items.sort.each do |item|
      print_line("    * #{item.split('.').first}")
    end
    print_line
  end
end

#load_plugin(args) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1001

def load_plugin(args)
  path = args[0]

  opts  = {
    'LocalInput'    => driver.input,
    'LocalOutput'   => driver.output,
    'ConsoleDriver' => driver
    }

  # Parse any extra options that should be passed to the plugin
  args.each { |opt|
    k, v = opt.split(/\=/)

    opts[k] = v if (k and v)
  }

  # If no absolute path was supplied, check the base and user plugin directories
  if (path !~ /#{File::SEPARATOR}/)
    plugin_file_name = path

    # If the plugin isn't in the user directory (~/.msf3/plugins/), use the base
    path = Msf::Config.user_plugin_directory + File::SEPARATOR + plugin_file_name
    if not File.exist?( path  + ".rb" )
      # If the following "path" doesn't exist it will be caught when we attempt to load
      path = Msf::Config.plugin_directory + File::SEPARATOR + plugin_file_name
    end
  end

  # Load that plugin!
  begin
    if (inst = framework.plugins.load(path, opts))
      print_status("Successfully loaded plugin: #{inst.name}")
    end
  rescue ::Exception => e
    elog("Error loading plugin #{path}", error: e)
    print_error("Failed to load plugin from #{path}: #{e}")
  end
end

#log_on_timeout_error(message) ⇒ Proc (protected)

Custom error code to handle timeout errors

Parameters:

  • message (String)

    The message to be printed when a timeout error is hit

Returns:

  • (Proc)

    proc function that prints the specified error when the error types match



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2866

def log_on_timeout_error(message)
  proc do |e|
    next unless e.is_a?(Rex::TimeoutError) || e.is_a?(Timeout::Error)
    elog(e)
    print_error(message)
    :handled
  end
end

#nameObject

Returns the name of the command dispatcher.



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 197

def name
  "Core"
end

#parse_duration(duration) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2019

def parse_duration(duration)
  total_time = 0
  time_tokens = duration.scan(/(?:\d+\.?\d*|\.\d+)/).zip(duration.scan(/[a-zA-Z]+/))
  time_tokens.each do |value, unit|
    if unit.nil? || value.nil?
      print_error('Please specify both time units and amounts')
      return nil
    end
    case unit.downcase
    when 'd'
      total_time += value.to_f * 86400
    when 'h'
      total_time += value.to_f * 3600
    when 'm'
      total_time += value.to_f * 60
    when 's'
      total_time += value.to_f
    else
      print_error("Unrecognized time format: #{value}")
      return nil
    end
  end
  total_time.to_i
end

#payload_show_resultsObject



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2233

def payload_show_results
  Msf::Ui::Console::CommandDispatcher::Modules.class_variable_get(:@@payload_show_results)
end

#retrieve_grep_lines(all_lines, line_num, before = nil, after = nil) ⇒ Array<String> (protected)

Returns an array of lines at the provided line number plus any before and/or after lines requested from all_lines by supplying the before and/or after parameters which are always positive

Parameters:

  • all_lines (Array<String>)

    An array of all lines being considered for matching

  • line_num (Integer)

    The line number in all_lines which has satisfied the match

  • after (Integer) (defaults to: nil)

    The number of lines after the match line to include (should always be positive)

  • before (Integer) (defaults to: nil)

    The number of lines before the match line to include (should always be positive)

Returns:

  • (Array<String>)

    Array of lines including the line at line_num and any before and/or after



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2885

def retrieve_grep_lines(all_lines,line_num, before = nil, after = nil)
  after = after.to_i.abs
  before = before.to_i.abs
  start = line_num - before
  start = 0 if start < 0
  finish = line_num + after
  all_lines.slice(start..finish)
end

#validate_checkin_searches(checkin_searches) ⇒ Object



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 1930

def validate_checkin_searches(checkin_searches)
  checkin_searches.each do |search_term|
    unless search_term.split(':').length == 3
      print_error('Please only specify last_checkin, before or after, and a time. Ex: last_checkin:before:1m30s')
      return false
    end
    time_value = search_term.split(':')[2]
    time_unit_string = time_value.gsub(/[^a-zA-Z]/, '')
    unless time_unit_string == time_unit_string.squeeze
      print_error('Please do not provide duplicate time units in your query')
      return false
    end
    operator = checkin_searches[0].split(':')[1]
    unless VALID_OPERATORS.include?(operator)
      print_error("Please specify less_than or greater_than for checkin query. Ex: last_checkin:less_than:1m30s. Given: #{operator}")
      return false
    end
  end
  if checkin_searches.length > 2
    print_error("Too many checkin searches. Max: 2. Given: #{checkin_searches.length}")
    return false
  elsif checkin_searches.length == 2
    _, operator1, value1 = checkin_searches[0].split(':')
    _, operator2, value2 = checkin_searches[1].split(':')
    unless VALID_OPERATORS.include?(operator1) && VALID_OPERATORS.include?(operator2)
      print_error('last_checkin can only be searched for using before or after. Ex: last_checkin:before:1m30s')
      return false
    end
    if operator1 == operator2
      print_error("Cannot search for last_checkin with two #{operator1} arguments.")
      return false
    end
    if (operator1 == GREATER_THAN && parse_duration(value2) < parse_duration(value1)) || (operator1 == LESS_THAN && parse_duration(value1) < parse_duration(value2))
      print_error('After value must be a larger duration than the before value.')
      return false
    end
  end
  true
end

#verify_session(session_id, quiet = false) ⇒ session, ... (protected)

verifies that a given session_id is valid and that the session is interactive. The various return values allow the caller to make better decisions on what action can & should be taken depending on the capabilities of the session and the caller's objective while making it simple to use in the nominal case where the caller needs session_id to match an interactive session

Parameters:

  • session_id (String)

    A session id, which is an integer as a string

  • quiet (Boolean) (defaults to: false)

    True means the method will produce no error messages

Returns:

  • (session)

    if the given session_id is valid and session is interactive

  • (false)

    if the given session_id is valid, but not interactive

  • (nil)

    if the given session_id is not valid at all



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# File 'lib/msf/ui/console/command_dispatcher/core.rb', line 2846

def verify_session(session_id, quiet = false)
  session = framework.sessions.get(session_id)
  if session
    if session.interactive?
      session
    else
      print_error("Session #{session_id} is non-interactive.") unless quiet
      false
    end
  else
    print_error("Invalid session identifier: #{session_id}") unless quiet
    nil
  end
end