##
# $Id$
##

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

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

	include Msf::Exploit::Remote::HttpClient
	include Msf::Auxiliary::Report
	include Msf::Auxiliary::Scanner

	def initialize
		super(
			'Name'         => 'SAP Management Console Version Detection',
			'Version'      => '$Revision$',
			'Description'  => %q{
				This module simply attempts to identify the version of SAP
				through the SAP Management Console SOAP Interface.
				},
			'References'   =>
				[
					# General
					[ 'URL', 'http://blog.c22.cc' ]
				],
			'Author'       => [ 'Chris John Riley' ],
			'License'      => MSF_LICENSE
		)

		register_options(
			[
				Opt::RPORT(50013),
				OptString.new('URI', [false, 'Path to the SAP Management Console ', '/']),
			], self.class)
		register_autofilter_ports([ 50013 ])
		deregister_options('RHOST')
	end

	def rport
		datastore['RPORT']
	end

	def run_host(ip)
		res = send_request_cgi({
			'uri'	 => "/#{datastore['URI']}",
			'method'  => 'GET',
				'headers' => {
					'User-Agent' => datastore['UserAgent']
				}
		}, 25)
		return if not res

		enum_version(ip)
	end

	def enum_version(rhost)
		verbose = datastore['VERBOSE']
		print_status("[SAP] Connecting to SAP Management Console SOAP Interface on #{rhost}:#{rport}")
		success = false
		soapenv='http://schemas.xmlsoap.org/soap/envelope/'
		xsi='http://www.w3.org/2001/XMLSchema-instance'
		xs='http://www.w3.org/2001/XMLSchema'
		sapsess='http://www.sap.com/webas/630/soap/features/session/'
		ns1='ns1:GetVersionInfo'

		data = '<?xml version="1.0" encoding="utf-8"?>' + "\r\n"
		data << '<SOAP-ENV:Envelope xmlns:SOAP-ENV="' +	 soapenv + '"  xmlns:xsi="' + xsi + '" xmlns:xs="' + xs + '">' + "\r\n"
		data << '<SOAP-ENV:Header>' + "\r\n"
		data << '<sapsess:Session xlmns:sapsess="' +  sapsess + '">' + "\r\n"
		data << '<enableSession>true</enableSession>' + "\r\n"
		data << '</sapsess:Session>' + "\r\n"
		data << '</SOAP-ENV:Header>' + "\r\n"
		data << '<SOAP-ENV:Body>' + "\r\n"
		data << '<'+ ns1 + ' xmlns:ns1="urn:SAPControl"></' + ns1 +'>' + "\r\n"
		data << '</SOAP-ENV:Body>' + "\r\n"
		data << '</SOAP-ENV:Envelope>' + "\r\n\r\n"

		begin
			res = send_request_raw({
				'uri'      => "/#{datastore['URI']}",
				'method'   => 'POST',
				'data'     => data,
				'headers'  =>
					{
						'Content-Length' => data.length,
						'SOAPAction'     => '""',
						'Content-Type'   => 'text/xml; charset=UTF-8',
					}
			}, 15)

			if res.code == 200
				body = res.body
				if body.match(/<VersionInfo>([^<]+)<\/VersionInfo>/)
					version = "#{$1}"
					success = true
				end
				if body.match(/[\\\/]sap[\\\/](\w{3})/i)
					sapsid = "#{$1}"
					success = true
				else
					sapsid = "Unknown"
				end
			elsif res.code == 500
				case res.body
				when /<faultstring>(.*)<\/faultstring>/i
						faultcode = "#{$1}"
						fault = true
				end
			end

		rescue ::Rex::ConnectionError
			print_error("[SAP #{rhost}] Unable to attempt authentication")
			return :abort
		end

		if success
			print_good("[SAP] Version Number Extracted - #{rhost}:#{rport}")
			print_good("[SAP] Version: #{version}")
			print_good("[SAP] SID: #{sapsid.upcase}")
			report_note(:host => "#{rhost}",
				:proto => 'SOAP',
				:port => "#{rport}",
				:type => 'SAP Version',
				:data => "SAP Version: #{version}")
			report_note(:host => "#{rhost}",
					:proto => 'SOAP',
					:port => "#{rport}",
					:type => 'SAP SID',
					:data => "SAP SID: #{sapsid.upcase}")

			return
		elsif fault
			print_error("[SAP] Error code: #{faultcode}")
			return
		else
			print_error("[SAP] failed to identify version")
			return
		end
	end
end