##
# This file is part of WhatWeb and may be subject to
# redistribution and commercial restrictions. Please see the WhatWeb
# web site for more information on licensing and terms of use.
# http://www.morningstarsecurity.com/research/whatweb
##
# Version 0.2 # 2011-01-30 #
# Updated regex
##
Plugin.define "Squid-Web-Proxy-Cache" do
author "Brendan Coles <bcoles@gmail.com>" # 2010-10-25
version "0.2"
description "Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response times by caching and reusing frequently-requested web pages."
website "http://www.squid-cache.org/"

# ShodanHQ results as at 2010-10-25 #
# 115,253 for "Server: squid"



# Passive #
def passive
	m=[]

	# X-Squid-Error # Also used by iPrism, CachePower, and MecGuard 
	m << { :name=>"x-squid-error", :certainty=>25 } unless @headers["x-squid-error"].nil?

	# Server
	m << { :version=>@headers["server"].to_s.scan(/[\s]*Squid\/([^\r^\n]+)/i).flatten } if @headers["server"] =~ /[\s]*Squid\/([^\r^\n]+)/i

	# Return passive results
	m

end

end