##
# $Id: web_vulndb.rb 11003 2010-11-12 06:19:49Z hdm $
##

##
# 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 'rex/proto/http'
require 'msf/core'

class Metasploit3 < Msf::Auxiliary

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

	def initialize(info = {})
		super(update_info(info,
			'Name'   		=> 'HTTP Vuln scanner',
			'Description'	=> %q{
				This module identifies common vulnerable files or cgis.
			},
			'Author' 		=> [ 'et' ],
			'License'		=> BSD_LICENSE,
			'Version'		=> '$Revision: 11003 $'))

		register_options(
			[
				OptString.new('PATH', [ true, "Original test path", '/']),
				OptPath.new('VULNCSV',[ true, "Path of vulnerabilities csv file to use" ])
			], self.class)

		register_advanced_options(
			[
				OptInt.new('ErrorCode', [ true,  "The expected http code for non existant files", 404]),
				OptPath.new('HTTP404Sigs',   [ false, "Path of 404 signatures to use",
						File.join(Msf::Config.install_root, "data", "wmap", "wmap_404s.txt")
					]
				),
				OptBool.new('NoDetailMessages', [ false, "Do not display detailed test messages", true ]),
				OptBool.new('ForceCode', [ false, "Force detection using HTTP code", false ]),
				OptInt.new('TestThreads', [ true, "Number of test threads", 25])
			], self.class)

	end

	def run_host(ip)
		conn = false
		usecode = datastore['ForceCode']

		tpath = datastore['PATH']
		if tpath[-1,1] != '/'
			tpath += '/'
		end

		nt = datastore['TestThreads'].to_i
		nt = 1 if nt == 0

		dm = datastore['NoDetailMessages']

		queue = []

		File.open(datastore['VULNCSV'], 'rb').each do |testf|
			queue << testf.strip
		end

		#
		# Detect error code
		#
		ecode = datastore['ErrorCode'].to_i
		begin
			randfile = Rex::Text.rand_text_alpha(5).chomp

			res = send_request_cgi({
				'uri'  		=>  tpath+randfile,
				'method'   	=> 'GET',
				'ctype'		=> 'text/html'
			}, 20)

			return if not res

			tcode = res.code.to_i

			# Look for a string we can signature on as well
			if(tcode >= 200 and tcode <= 299)
				File.open(datastore['HTTP404Sigs'], 'rb').each do |str|
					if(res.body.index(str))
						emesg = str
						break
					end
				end

				if(not emesg)
					print_status("Using first 256 bytes of the response as 404 string")
					emesg = res.body[0,256]
				else
					print_status("Using custom 404 string of '#{emesg}'")
				end
			else
				ecode = tcode
				print_status("Using code '#{ecode}' as not found.")
			end

		rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
			conn = false
		rescue ::Timeout::Error, ::Errno::EPIPE
		end


		while(not queue.empty?)
			t = []
			1.upto(nt) do
				t << framework.threads.spawn("Module(#{self.refname})-#{rhost}", false, queue.shift) do |testf|
					Thread.current.kill if not testf

					testarr = []
					testfvuln = ""
					testmesg = ""
					testnote = ""
					foundstr = false

					testarr = testf.split(',')

					testfvuln = testarr[0].to_s
					testmesg = testarr[1].to_s
					testnote = testarr[2].to_s

					res = send_request_cgi({
						'uri'  		=>  tpath+testfvuln,
						'method'   	=> 'GET',
						'ctype'		=> 'text/plain'
					}, 20)


					if testmesg.empty? or usecode
						if(not res or ((res.code.to_i == ecode) or (emesg and res.body.index(emesg))))
							if dm == false
								print_status("NOT Found #{wmap_base_url}#{tpath}#{testfvuln}  #{res.code.to_i}")
								#blah
							end
						else
							if res.code.to_i == 400  and ecode != 400
								print_error("Server returned an error code. #{wmap_base_url}#{tpath}#{testfvuln} #{res.code.to_i}")
							else
								print_status("FOUND #{wmap_base_url}#{tpath}#{testfvuln} [#{res.code.to_i}] #{testnote}")

								report_note(
									:host	=> ip,
									:proto	=> 'HTTP',
									:port	=> rport,
									:type	=> 'FILE',
									:data	=> "#{tpath}#{testfvuln} Code: #{res.code}"
								)
							end
						end
					else
						if res and res.body.include?(testmesg)
							print_status("FOUND #{wmap_base_url}#{tpath}#{testfvuln} [#{res.code.to_i}] #{testnote}")

							report_note(
									:host	=> ip,
									:proto	=> 'HTTP',
									:port	=> rport,
									:type	=> 'FILE',
									:data	=> "#{tpath}#{testfvuln} Code: #{res.code}"
							)
						else
							if dm == false
								print_status("NOT Found #{wmap_base_url}#{tpath}#{testfvuln}  #{res.code.to_i}")
								#blah
							end
						end
					end
				end
			end
			t.map{|x| x.join }
		end
	end
end

