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 For more information about Hadoop, see: * http://hadoop.apache.org/ * http://en.wikipedia.org/wiki/Apache_Hadoop * http://wiki.apache.org/hadoop/NameNode ]] --- -- @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 -- author = "John R. Bond" license = "Simplified (2-clause) BSD license--See http://nmap.org/svn/docs/licenses/BSD-simplified" categories = {"default", "discovery", "safe"} require ("shortport") require ("target") require ("http") 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 = {} local uri = "/status.jsp" stdnse.print_debug(1, ("%s:HTTP GET %s:%s%s"):format(SCRIPT_NAME, host.targetname or host.ip, port.number, uri)) local response = http.get( host.targetname or host.ip, port.number, uri ) stdnse.print_debug(1, ("%s: Status %s"):format(SCRIPT_NAME,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.print_debug(2, ("%s: Body %s\n"):format(SCRIPT_NAME,body)) port.version.name = "hadoop-secondary-namenode" port.version.product = "Apache Hadoop" -- 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.print_debug(1, ("%s: namenode %s"):format(SCRIPT_NAME,stats[1])) stdnse.print_debug(1, ("%s: Start %s"):format(SCRIPT_NAME,stats[2])) stdnse.print_debug(1, ("%s: Last Checkpoint %s"):format(SCRIPT_NAME,stats[3])) stdnse.print_debug(1, ("%s: Checkpoint Period %s"):format(SCRIPT_NAME,stats[4])) stdnse.print_debug(1, ("%s: Checkpoint Size %s"):format(SCRIPT_NAME,stats[5])) table.insert(result, ("Start: %s"):format(stats[2])) end if body:match("Version:%s*([^][\n]+)") then local version = body:match("Version:%s*([^][\n]+)") stdnse.print_debug(1, ("%s: Version %s"):format(SCRIPT_NAME,version)) table.insert(result, ("Version: %s"):format(version)) port.version.version = version end if body:match("Compiled:%s*([^][\n]+)") then local compiled = body:match("Compiled:%s*([^][\n]+)") stdnse.print_debug(1, ("%s: Compiled %s"):format(SCRIPT_NAME,compiled)) table.insert(result, ("Compiled: %s"):format(compiled)) end if body:match("([^][\"]+)\">Logs") then local logs = body:match("([^][\"]+)\">Logs") stdnse.print_debug(1, ("%s: Logs %s"):format(SCRIPT_NAME,logs)) table.insert(result, ("Logs: %s"):format(logs)) end if #stats == 5 then table.insert(result, ("Namenode: %s"):format(stats[1])) table.insert(result, ("Last Checkpoint: %s"):format(stats[3])) table.insert(result, ("Checkpoint Period: %s"):format(stats[4])) table.insert(result, ("Checkpoint: Size %s"):format(stats[5])) end if target.ALLOW_NEW_TARGETS then if stats[1]:match("([^][/]+)") then local newtarget = stats[1]:match("([^][/]+)") stdnse.print_debug(1, ("%s: Added target: %s"):format(SCRIPT_NAME, newtarget)) local status,err = target.add(newtarget) end end end return stdnse.format_output(true, result) end