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 NameNode HTTP status page. Information gathered: * Date/time the service was started * Hadoop version * Hadoop compile date * Upgrades status * Filesystem directory (relative to http://host:port/) * Log directory (relative to http://host:port/) * Associated DataNodes. 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-namenode-info -p 50070 host -- -- @output -- PORT STATE SERVICE REASON -- 50070/tcp open hadoop-namenode syn-ack -- | hadoop-namenode-info: -- | Started: Wed May 11 22:33:44 PDT 2011 -- | Version: 0.20.2-cdh3u1, f415ef415ef415ef415ef415ef415ef415ef415e -- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown -- | Upgrades: There are no upgrades in progress. -- | Filesystem: /nn_browsedfscontent.jsp -- | Logs: /logs/ -- | Storage: -- | Total Used (DFS) Used (Non DFS) Remaining -- | 100 TB 85 TB 500 GB 14.5 TB -- | Datanodes (Live): -- | Datanode: datanode1.example.com:50075 -- | Datanode: datanode2.example.com:50075 --- author = "John R. Bond" license = "Simplified (2-clause) BSD license--See http://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 ({50070}, "hadoop-namenode")(host, port) or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port)) end get_datanodes = function( host, port, Status ) local result = {} local uri = "/dfsnodelist.jsp?whatNodes=" .. Status stdnse.print_debug(1, "%s:HTTP GET %s:%s%s", SCRIPT_NAME, host.targetname or host.ip, port.number, uri) local response = http.get( host, port, uri ) stdnse.print_debug(1, "%s: Status %s", SCRIPT_NAME,response['status-line'] or "No Response" ) if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then local body = response['body']:gsub("%%","%%%%") stdnse.print_debug(2, "%s: Body %s\n", SCRIPT_NAME,body) for datanodetmp in string.gmatch(body, "[%w%.:-_]+/browseDirectory.jsp") do local datanode = datanodetmp:gsub("/browseDirectory.jsp","") stdnse.print_debug(1, "%s: Datanode %s", SCRIPT_NAME,datanode) table.insert(result, ("Datanode: %s"):format(datanode)) if target.ALLOW_NEW_TARGETS then if datanode:match("([%w%.]+)") then local newtarget = datanode:match("([%w%.]+)") stdnse.print_debug(1, "%s: Added target: %s", SCRIPT_NAME, newtarget) local status,err = target.add(newtarget) end end end end return result end action = function( host, port ) local result = {} local uri = "/dfshealth.jsp" stdnse.print_debug(1, "%s:HTTP GET %s:%s%s", SCRIPT_NAME, host.targetname or host.ip, port.number, uri) local response = http.get( host, port, uri ) stdnse.print_debug(1, "%s: Status %s", SCRIPT_NAME,response['status-line'] or "No Response") if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then local body = response['body']:gsub("%%","%%%%") local capacity = {} stdnse.print_debug(2, "%s: Body %s\n", SCRIPT_NAME,body) if body:match("Started:%s*