o [NSE] Added the Apache JServer Protocol (AJP) library and the scripts

ajp-methods, ajp-headers and ajp-auth. [Patrik Karlsson]

scripts/ajp-headers.nse

@@ -0,0 +1,46 @@
+description = [[
+Performs a HEAD or GET request against either the root directory or any
+optional directory and returns the server response headers.
+]]
+
+---
+-- @usage
+-- nmap -p 8009 <ip> --script ajp-headers
+--
+-- @output
+-- PORT     STATE SERVICE
+-- 8009/tcp open  ajp13
+-- | ajp-headers: 
+-- |   X-Powered-By: JSP/2.2
+-- |   Set-Cookie: JSESSIONID=goTHax+8ktEcZsBldANHBAuf.undefined; Path=/helloworld
+-- |   Content-Type: text/html;charset=ISO-8859-1
+-- |_  Content-Length: 149
+--
+-- @args ajp-headers.path The path to request, such as <code>/index.php</code>. Default <code>/</code>. 
+
+local ajp       = require('ajp')
+local shortport = require('shortport')
+
+portrule = shortport.port_or_service(8009, 'ajp13', 'tcp')
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
+categories = {"discovery", "safe"}
+
+local arg_path   = stdnse.get_script_args(SCRIPT_NAME .. '.path') or "/"
+
+local function fail(err) return ("\n  ERROR: %s"):format(err or "") end
+
+action = function(host, port)
+	local method
+	local helper = ajp.Helper:new(host, port)
+	helper:connect()
+
+	local status, response = helper:get(arg_path)
+	helper:close()
+	
+	if ( not(status) ) then
+		return fail("Failed to retrieve server headers")
+	end
+	return stdnse.format_output(true, response.rawheaders)
+end