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module Msf
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  ###
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  #
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  # This class illustrates a sample plugin.  Plugins can change the behavior of
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  # the framework by adding new features, new user interface commands, or
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  # through any other arbitrary means.  They are designed to have a very loose
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  # definition in order to make them as useful as possible.
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  #
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  ###
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  class Plugin::Sample < Msf::Plugin
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    ###
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    #
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    # This class implements a sample console command dispatcher.
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    #
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    ###
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    class ConsoleCommandDispatcher
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      include Msf::Ui::Console::CommandDispatcher
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      #
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      # The dispatcher's name.
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      #
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      def name
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        'Sample'
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      end
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      #
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      # Returns the hash of commands supported by this dispatcher.
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      #
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      def commands
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        {
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          'sample' => 'A sample command added by the sample plugin'
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        }
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      end
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      #
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      # This method handles the sample command.
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      #
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      def cmd_sample(*args)
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        print_line("You passed: #{args.join(' ')}")
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      end
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    end
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    #
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    # The constructor is called when an instance of the plugin is created.  The
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    # framework instance that the plugin is being associated with is passed in
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    # the framework parameter.  Plugins should call the parent constructor when
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    # inheriting from Msf::Plugin to ensure that the framework attribute on
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    # their instance gets set.
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    #
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    def initialize(framework, opts)
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      super
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      # If this plugin is being loaded in the context of a console application
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      # that uses the framework's console user interface driver, register
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      # console dispatcher commands.
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      add_console_dispatcher(ConsoleCommandDispatcher)
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      print_status('Sample plugin loaded.')
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    end
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    #
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    # The cleanup routine for plugins gives them a chance to undo any actions
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    # they may have done to the framework.  For instance, if a console
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    # dispatcher was added, then it should be removed in the cleanup routine.
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    #
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    def cleanup
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      # If we had previously registered a console dispatcher with the console,
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      # deregister it now.
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      remove_console_dispatcher('Sample')
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    end
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    #
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    # This method returns a short, friendly name for the plugin.
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    #
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    def name
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      'sample'
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    end
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    #
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    # This method returns a brief description of the plugin.  It should be no
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    # more than 60 characters, but there are no hard limits.
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    #
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    def desc
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      'Demonstrates using framework plugins'
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    end
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  end
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end
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