140 lines
2.7 KiB
Ruby
140 lines
2.7 KiB
Ruby
require 'rex/ui'
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require 'rex/post/meterpreter'
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require 'rex/logging'
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module Rex
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module Post
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module Meterpreter
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module Ui
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###
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#
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# This class provides a shell driven interface to the meterpreter client API.
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#
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###
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class Console
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include Rex::Ui::Text::DispatcherShell
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# Dispatchers
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require 'rex/post/meterpreter/ui/console/interactive_channel'
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require 'rex/post/meterpreter/ui/console/command_dispatcher'
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require 'rex/post/meterpreter/ui/console/command_dispatcher/core'
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#
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# Initialize the meterpreter console.
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#
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def initialize(client)
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if (Rex::Compat.is_windows())
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super("meterpreter")
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else
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super("%undmeterpreter%clr")
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end
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# The meterpreter client context
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self.client = client
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# Queued commands array
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self.commands = []
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# Point the input/output handles elsewhere
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reset_ui
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enstack_dispatcher(Console::CommandDispatcher::Core)
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# Set up logging to whatever logsink 'core' is using
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if ! $dispatcher['meterpreter']
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$dispatcher['meterpreter'] = $dispatcher['core']
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end
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end
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#
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# Called when someone wants to interact with the meterpreter client. It's
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# assumed that init_ui has been called prior.
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#
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def interact(&block)
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init_tab_complete
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# Run queued commands
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commands.delete_if { |ent|
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run_single(ent)
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true
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}
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# Run the interactive loop
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run { |line|
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# Run the command
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run_single(line)
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# If a block was supplied, call it, otherwise return false
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if (block)
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block.call
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else
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false
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end
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}
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end
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#
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# Interacts with the supplied channel.
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#
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def interact_with_channel(channel)
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channel.extend(InteractiveChannel) unless (channel.kind_of?(InteractiveChannel) == true)
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channel.on_command_proc = self.on_command_proc if self.on_command_proc
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channel.on_print_proc = self.on_print_proc if self.on_print_proc
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channel.interact(input, output)
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channel.reset_ui
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end
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#
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# Queues a command to be run when the interactive loop is entered.
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#
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def queue_cmd(cmd)
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self.commands << cmd
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end
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#
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# Runs the specified command wrapper in something to catch meterpreter
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# exceptions.
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#
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def run_command(dispatcher, method, arguments)
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begin
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super
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rescue Timeout::Error
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log_error("Operation timed out.")
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rescue RequestError => info
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log_error(info.to_s)
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rescue ::Errno::EPIPE, ::OpenSSL::SSL::SSLError, ::IOError
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self.client.kill
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rescue ::Exception => e
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log_error("Error running command #{method}: #{e.class} #{e}")
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end
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end
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#
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# Logs that an error occurred and persists the callstack.
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#
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def log_error(msg)
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print_error(msg)
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elog(msg, 'meterpreter')
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dlog("Call stack:\n#{$@.join("\n")}", 'meterpreter')
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end
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attr_reader :client # :nodoc:
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protected
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attr_writer :client # :nodoc:
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attr_accessor :commands # :nodoc:
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end
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end
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end
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end
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end
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