##
# 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

	# Exploit mixins should be called first
	include Msf::Exploit::Remote::HttpClient
	# Scanner mixin should be near last
	include Msf::Auxiliary::Scanner

	def initialize
		super(
			'Name'        => 'HTTP TRACE Detection',
			'Version'     => '$Revision: $',
			'Description' => 'Test if TRACE is actually enabled.  405 (Apache) 501(IIS) if its disabled, 200 if it is',
			'Author'       => ['CG'],
			'License'     => MSF_LICENSE
		)
	end

	def run_host(target_host)

		begin
			res = send_request_raw({
				'version'      => '1.0',
				'uri'          => '/',
				'method'       => 'TRACE',
				'headers' =>
				{
					'Cookie' => "did you echo me back?",
				},
			}, 10)

			if res.nil?
				print_error("no repsonse for #{target_host}")
			elsif (res.code == 200)
				print_good("#{target_host}:#{rport}-->#{res.code}")
				print_good("Response Headers:\n #{res.headers}")
				print_good("Response Body:\n #{res.body}")
				print_good("TRACE appears to be enabled on #{target_host}:#{rport} \n")
				report_note(
					:host   => target_host,
					:port   => rport,
					:proto => 'tcp',
					:sname  => (ssl ? 'https' : 'http'),
					:type   => 'service.http.method.trace',
					:data   => "TRACE method is enabled for this service",
					:update => :unique_data
				)
			elsif (res.code == 501)#Not Implemented
				print_error("Received #{res.code} TRACE is not enabled for #{target_host}:#{rport}") #IIS
			elsif (res.code == 405)#Method Not Allowed
				print_error("Received #{res.code} TRACE is not enabled for #{target_host}:#{rport}") #Apache
			else
				print_status("#{res.code}")
			end

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