##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
#
##


require 'msf/core'

class Metasploit3 < Msf::Auxiliary

	include Msf::Auxiliary::JohnTheRipper

	def initialize
		super(
			'Name'            => 'John the Ripper AIX Password Cracker',
			'Description'     => %Q{
					This module uses John the Ripper to identify weak passwords that have been
				acquired from passwd files on AIX systems.
			},
			'Author'          =>
				[
					'theLightCosine',
					'hdm'
				] ,
			'License'         => MSF_LICENSE  # JtR itself is GPLv2, but this wrapper is MSF (BSD)
		)

	end

	def run
		wordlist = Rex::Quickfile.new("jtrtmp")
		begin
			wordlist.write( build_seed().join("\n") + "\n" )
		ensure
			wordlist.close
		end

		myloots = myworkspace.loots.find(:all, :conditions => ['ltype=?', 'aix.hashes'])
		return if myloots.nil? or myloots.empty?

		loot_data = ''

		myloots.each do |myloot|
			usf = ''
			begin
				File.open(myloot.path, "rb") do |f|
					usf = f.read
				end
			rescue Exception => e
				print_error("Unable to read #{myloot.path} \n #{e}")
				next
			end
			usf.each_line do |row|
				row.gsub!(/\n/, ":#{myloot.host.address}\n")
				loot_data << row
			end
		end

		hashlist = Rex::Quickfile.new("jtrtmp")
		hashlist.write(loot_data)
		hashlist.close

		print_status("HashList: #{hashlist.path}")

		print_status("Trying Format:des Wordlist: #{wordlist.path}")
		john_crack(hashlist.path, :wordlist => wordlist.path, :rules => 'single', :format => 'des')
		print_status("Trying Format:des Rule: All4...")
		john_crack(hashlist.path, :incremental => "All4", :format => 'des')
		print_status("Trying Format:des Rule: Digits5...")
		john_crack(hashlist.path, :incremental => "Digits5", :format => 'des')

		cracked = john_show_passwords(hashlist.path)


		print_status("#{cracked[:cracked]} hashes were cracked!")

		cracked[:users].each_pair do |k,v|
			if v[0] == "NO PASSWORD"
				passwd=""
			else
				passwd=v[0]
			end
			print_good("Host: #{v.last}  User: #{k} Pass: #{passwd}")
			report_auth_info(
				:host  => v.last,
				:port => 22,
				:sname => 'ssh',
				:user => k,
				:pass => passwd
			)
		end
	end

end