local http = require "http" local nmap = require "nmap" local shortport = require "shortport" local stdnse = require "stdnse" local string = require "string" local table = require "table" local target = require "target" description = [[ Retrieves information from an Apache Hadoop secondary NameNode HTTP status page. Information gathered: * Date/time the service was started * Hadoop version * Hadoop compile date * Hostname or IP address and port of the master NameNode server * Last time a checkpoint was taken * How often checkpoints are taken (in seconds) * Log directory (relative to http://host:port/) * File size of current checkpoint ]] --- -- @usage -- nmap --script hadoop-secondary-namenode-info -p 50090 host -- -- @output -- PORT STATE SERVICE REASON -- 50090/tcp open unknown syn-ack -- | hadoop-secondary-namenode-info: -- | Start: Wed May 11 22:33:44 PDT 2011 -- | Version: 0.20.2, f415ef415ef415ef415ef415ef415ef415ef415e -- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown -- | Log: /logs/ -- | namenode: namenode1.example.com/192.0.1.1:8020 -- | Last Checkpoint: Wed May 11 22:33:44 PDT 2011 -- | Checkpoint Period: 3600 seconds -- |_ Checkpoint Size: 12345678 MB -- -- @xmloutput -- Wed May 11 22:33:44 PDT 2011 -- 0.20.2, f415ef415ef415ef415ef415ef415ef415ef415e -- Wed May 11 22:33:44 PDT 2011 by bob from unknown -- /logs/ -- namenode1.example.com/192.0.1.1:8020 -- Wed May 11 22:33:44 PDT 2011 -- 3600 seconds -- 12345678 MB author = "John R. Bond" license = "Simplified (2-clause) BSD license--See https://nmap.org/svn/docs/licenses/BSD-simplified" categories = {"default", "discovery", "safe"} portrule = function(host, port) -- Run for the special port number, or for any HTTP-like service that is -- not on a usual HTTP port. return shortport.port_or_service ({50090}, "hadoop-secondary-namenode")(host, port) or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port)) end action = function( host, port ) local result = stdnse.output_table() local uri = "/status.jsp" stdnse.debug1("HTTP GET %s:%s%s", host.targetname or host.ip, port.number, uri) local response = http.get( host, port, uri ) stdnse.debug1("Status %s",response['status-line'] or "No Resposne") if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then local body = response['body']:gsub("%%","%%%%") local stats = {} stdnse.debug2("Body %s\n",body) -- Page isn't valid html :( for i in string.gmatch(body,"\n[%w%s]+:%s+[^][\n]+") do table.insert(stats,i:match(":%s+([^][\n]+)")) end if #stats == 5 then stdnse.debug1("namenode %s",stats[1]) stdnse.debug1("Start %s",stats[2]) stdnse.debug1("Last Checkpoint %s",stats[3]) stdnse.debug1("Checkpoint Period %s",stats[4]) stdnse.debug1("Checkpoint Size %s",stats[5]) result["Start"] = stats[2] end if body:match("Version:%s*([^][\n]+)") then local version = body:match("Version:%s*([^][\n]+)") stdnse.debug1("Version %s",version) result["Version"] = version port.version.version = version end if body:match("Compiled:%s*([^][\n]+)") then local compiled = body:match("Compiled:%s*([^][\n]+)") stdnse.debug1("Compiled %s",compiled) result["Compiled"] = compiled end if body:match("([^][\"]+)\">Logs") then local logs = body:match("([^][\"]+)\">Logs") stdnse.debug1("Logs %s",logs) result["Logs"] = logs end if #stats == 5 then result["Namenode"] = stats[1] result["Last Checkpoint"] = stats[3] result["Checkpoint Period"] = stats[4] result["Checkpoint"] = stats[5] end if target.ALLOW_NEW_TARGETS then if stats[1]:match("([^][/]+)") then local newtarget = stats[1]:match("([^][/]+)") stdnse.debug1("Added target: %s", newtarget) local status,err = target.add(newtarget) end end if #result > 0 then port.version.name = "hadoop-secondary-namenode" port.version.product = "Apache Hadoop" nmap.set_port_version(host, port) return result end end end