o [NSE] Added the script ajp-request, which adds support for creating custom

Apache JServer Protocol requests. [Patrik Karlsson]

o [NSE] Added the script ajp-brute, which enables password brute force auditing
  against the Apache JServ Protocol service. [Patrik Karlsson]

CHANGELOG

@@ -1,5 +1,11 @@
 # Nmap Changelog ($Id$); -*-text-*-
 
+o [NSE] Added the script ajp-request, which adds support for creating custom
+  Apache JServer Protocol requests. [Patrik Karlsson]
+
+o [NSE] Added the script ajp-brute, which enables password brute force auditing
+  against the Apache JServ Protocol service. [Patrik Karlsson]
+
 o [NSE] Added the script broadcast-tellstick-discover, which discovers Telldus
   Technologies TellStickNet devices on the LAN. [Patrik Karlsson]
 

scripts/ajp-brute.nse

@@ -0,0 +1,109 @@
+description = [[
+Performs brute force passwords auditing against the Apache JServ protocol.
+The Apache JServ Protocol is commonly used by web servers to communicate with
+back-end Java application server containers.
+]]
+
+---
+-- @usage
+-- nmap -p 8009 <ip> --script ajp-brute 
+--
+-- @output
+-- PORT     STATE SERVICE
+-- 8009/tcp open  ajp13
+-- | ajp-brute: 
+-- |   Accounts
+-- |     root:secret - Valid credentials
+-- |   Statistics
+-- |_    Performed 1946 guesses in 23 seconds, average tps: 82
+--
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
+categories = {"intrusive", "brute"}
+
+local shortport = require('shortport')
+local ajp       = require('ajp')
+local base64    = require('base64')
+local brute     = require('brute')
+local http      = require('http')
+
+portrule = shortport.port_or_service(8009, 'ajp13', 'tcp')
+
+local arg_url = stdnse.get_script_args(SCRIPT_NAME .. ".path") or "/"
+
+local function fail(err) return ("\n  ERROR: %s"):format(err or "") end
+
+Driver = {
+	
+	new = function(self, host, port, options)
+		local o = { host = host, 
+					port = port, 
+					options = options, 
+					helper = ajp.Helper:new(host, port)
+		}
+		setmetatable(o, self)
+		self.__index = self
+		return o
+	end,
+	
+	connect = function(self)
+		return self.helper:connect()
+	end,
+	
+	disconnect = function(self)
+		return self.helper:close()
+	end,
+	
+	login = function(self, user, pass)
+		local headers = {
+			["Authorization"] = ("Basic %s"):format(base64.enc(user .. ":" .. pass))
+		}
+		local status, response = self.helper:get(arg_url, headers)
+		
+		if ( not(status) ) then
+			local err = brute.Error:new( data )
+			err:setRetry( true )
+			return false, err
+		elseif( response.status ~= 401 ) then
+			return true, brute.Account:new(user, pass, creds.State.VALID)
+		end
+		return false, brute.Error:new( "Incorrect password" )
+	end,
+
+}
+
+
+action = function(host, port)
+
+	local helper = ajp.Helper:new(host, port)
+	if ( not(helper:connect()) ) then
+		return fail("Failed to connect to server")
+	end
+	
+	local status, response = helper:get(arg_url)
+	if ( not(response.headers['www-authenticate']) ) then
+		return "\n  URL does not require authentication"
+	end
+
+	local challenges = http.parse_www_authenticate(response.headers['www-authenticate'])
+	local options = { scheme = nil }
+	for _, challenge in ipairs(challenges or {}) do
+		if ( challenge and challenge.scheme and challenge.scheme:lower() == "basic") then
+			options.scheme = challenge.scheme:lower()
+			break
+		end
+	end
+	
+	if ( not(options.scheme) ) then
+		return fail("Could not find a supported authentication scheme")
+	end
+	
+	local engine = brute.Engine:new(Driver, host, port )
+	engine.options.script_name = SCRIPT_NAME
+	
+	local status, result = engine:start()
+	if ( status ) then
+		return result
+	end
+end

scripts/ajp-request.nse

@@ -0,0 +1,100 @@
+description = [[
+Request an URI over the Apache JServe Protocol and displays or alternatively
+stores the result in a file. Different AJP methods such as; GET, HEAD, TRACE,
+PUT or DELETE may be used.
+
+The Apache JServ Protocol is commonly used by web servers to communicate with
+back-end Java application server containers.
+]]
+
+---
+-- @usage
+-- nmap -p 8009 <ip> --script ajp-request
+--
+-- @output
+-- PORT     STATE SERVICE
+-- 8009/tcp open  ajp13
+-- | ajp-request: 
+-- | <!DOCTYPE HTML>
+-- | <html>
+-- | <head>
+-- | <title>JSP Test</title>
+-- | 
+-- | </head>
+-- | <body>
+-- | <h2>Hello, World.</h2>
+-- | Fri May 04 02:09:40 UTC 2012
+-- | </body>
+-- |_</html>
+--
+-- @args method AJP method to be used when requesting the URI (default: GET)
+-- @args path the path part of the URI to request
+-- @args filename the name of the file where the results should be stored
+-- @args username the username to use to access protected resources
+-- @args password the password to use to access protected resources
+--
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
+categories = {"discovery", "safe"}
+
+local shortport = require('shortport')
+local packet    = require('packet')
+local ajp       = require('ajp')
+
+portrule = shortport.port_or_service(8009, 'ajp13', 'tcp')
+
+local arg_method   = stdnse.get_script_args(SCRIPT_NAME .. ".method") or "GET"
+local arg_path     = stdnse.get_script_args(SCRIPT_NAME .. ".path") or "/"
+local arg_file     = stdnse.get_script_args(SCRIPT_NAME .. ".filename")
+local arg_username = stdnse.get_script_args(SCRIPT_NAME .. ".username")
+local arg_password = stdnse.get_script_args(SCRIPT_NAME .. ".password")
+
+local function fail(err) return ("\n  ERROR: %s"):format(err or "") end
+
+action = function(host, port)
+
+	local helper = ajp.Helper:new(host, port)
+	if ( not(helper:connect()) ) then
+		return fail("Failed to connect to AJP server")
+	end
+	
+	local valid_methods = {
+		["GET"]    = true,
+		["HEAD"]   = true, 
+		["TRACE"]  = true,
+		["PUT"]    = true,
+		["DELETE"] = true,
+		["OPTIONS"]= true,
+	}
+	
+	local method = arg_method:upper()
+	if ( not(valid_methods[method]) ) then
+		return fail(("Method not supported: %s"):format(arg_method))
+	end
+	
+	local options = { auth = { username = arg_username, password = arg_password } }
+	local status, response = helper:request(arg_method, arg_path, nil, nil, options)
+	if ( not(status) ) then
+		return fail("Failed to retrieve response for request")
+	end
+	helper:close()
+
+	if ( response ) then
+		local output = response['status-line'] .. "\n" .. 
+						stdnse.strjoin("\n", response.rawheaders) .. 
+						(response.body and "\n\n" .. response.body or "")
+		if ( arg_file ) then
+			local f = io.open(arg_file, "w")
+			if ( not(f) ) then
+				return fail(("Failed to open file %s for writing"):format(arg_file))
+			end
+			f:write(output)
+			f:close()
+			return ("Response was written to file: %s"):format(arg_file)
+		else
+			return "\n" .. output
+		end
+	end
+end
+

scripts/script.db

@@ -6,8 +6,10 @@ Entry { filename = "afp-path-vuln.nse", categories = { "exploit", "intrusive", "
 Entry { filename = "afp-serverinfo.nse", categories = { "default", "discovery", "safe", } }
 Entry { filename = "afp-showmount.nse", categories = { "discovery", "safe", } }
 Entry { filename = "ajp-auth.nse", categories = { "auth", "default", "safe", } }
+Entry { filename = "ajp-brute.nse", categories = { "brute", "intrusive", } }
 Entry { filename = "ajp-headers.nse", categories = { "discovery", "safe", } }
 Entry { filename = "ajp-methods.nse", categories = { "default", "safe", } }
+Entry { filename = "ajp-request.nse", categories = { "discovery", "safe", } }
 Entry { filename = "amqp-info.nse", categories = { "default", "discovery", "safe", "version", } }
 Entry { filename = "asn-query.nse", categories = { "discovery", "external", "safe", } }
 Entry { filename = "auth-owners.nse", categories = { "default", "safe", } }