#!/usr/bin/env ruby
#
# This user interface allows users to interact with the framework through a
# command line interface (CLI) rather than having to use a prompting console
# or web-based interface.
#

msfbase = File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__
$:.unshift(File.join(File.dirname(msfbase), 'lib'))

require 'rex'
require 'msf/ui'
require 'msf/base'

Indent = '   ' 

# Initialize the simplified framework instance.
$framework = Msf::Simple::Framework.create

def usage (str = nil, extra = nil)
	tbl = Rex::Ui::Text::Table.new(
		'Header'  => "Usage: #{$0} <exploit_name> <option=value> [mode]",
		'Indent'  => 4,
		'Columns' => ['Mode', 'Description']
	)

	tbl << ['(H)elp', "you're looking at it baby!"]
	tbl << ['(S)ummary', 'show information about this module']
	tbl << ['(O)ptions', 'show available options for this module']
	tbl << ['(A)dvanced', 'show available advanced options for this module']
	tbl << ['(I)ds Evasion', 'show available ids evasion options for this module']
	tbl << ['(P)ayloads', 'show available payloads for this module']
	tbl << ['(T)argets', 'show available targets for this module']
	tbl << ['(C)heck', 'Attempt to check if the target is vulnerable']
	tbl << ['(E)xploit', 'Attempt to exploit the target']

	$stdout.puts "Error: #{str}\n\n" if str
	$stdout.puts tbl.to_s + "\n"
	$stdout.puts extra + "\n" if extra

	exit
end

if (ARGV.length < 1)
	tbl = Rex::Ui::Text::Table.new(
		'Header'  => 'Exploits',
		'Indent'  => 4,
		'Columns' => [ 'Name', 'Description' ])

	$framework.exploits.each_module { |name, mod|
		tbl << [ name, mod.new.name ]
	}

	usage(nil, tbl.to_s)
end

# Get the exploit name we'll be using
exploit_name = ARGV.shift
exploit      = $framework.exploits.create(exploit_name)

if (exploit == nil)
	usage("Invalid exploit: #{exploit_name}")
end

exploit.init_ui(
	Rex::Ui::Text::Input::Stdio.new, 
	Rex::Ui::Text::Output::Stdio.new
)
			
# Evalulate the command (default to "help")
mode = ARGV.pop || 'h'

# Import options
exploit.datastore.import_options_from_s(ARGV.join('_|_'), '_|_')

case mode.downcase
	when 'h'
		usage
	when "s"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_module(exploit, Indent))
	when "o"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_options(exploit, Indent))
	when "a"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_advanced_options(exploit, Indent))
	when "i"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_evasion_options(exploit, Indent))
	when "p"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_compatible_payloads(
			exploit, Indent, "Compatible payloads"))
	when "t"
		$stdout.puts("\n" + Msf::Serializer::ReadableText.dump_exploit_targets(exploit, Indent))
	when "c"
		begin
			if (code = exploit.check)
				stat = (code == Msf::Exploit::CheckCode::Vulnerable) ? '[+]' : '[*]'
	
				$stdout.puts("#{stat} #{code[1]}")
			else
				$stderr.puts("Check failed: The state could not be determined.")
			end
		rescue
			$stderr.puts("Check failed: #{$!}")
		end
	when "e"
		begin
			session = exploit.exploit_simple(
				'Encoder'       => exploit.datastore['ENCODER'],
				'Target'        => exploit.datastore['TARGET'],
				'Payload'       => exploit.datastore['PAYLOAD'],
				'Nop'           => exploit.datastore['NOP'],
				'LocalInput'    => Rex::Ui::Text::Input::Stdio.new,
				'LocalOutput'   => Rex::Ui::Text::Output::Stdio.new,
				'ForceBlocking' => true)

			if (session)
				$stdout.puts("[*] #{session.desc} session #{session.name} opened (#{session.tunnel_to_s})\n\n")

				session.init_ui(
					Rex::Ui::Text::Input::Stdio.new,
					Rex::Ui::Text::Output::Stdio.new)

				session.interact
			end
					
		rescue
			$stderr.puts("Exploit failed: #{$!}")
			$stderr.puts("Backtrace:")
			$stderr.puts($!.backtrace.join("\n"))
		end
	else
		usage("Invalid mode #{mode}")
end

$stdout.puts