local http = require "http" local nmap = require "nmap" local shortport = require "shortport" local stdnse = require "stdnse" local table = require "table" description = [[ Discovers information such as log directories from an Apache Hadoop DataNode HTTP status page. Information gathered: * Log directory (relative to http://host:port/) For more information about hadoop, see: * http://hadoop.apache.org/ * http://en.wikipedia.org/wiki/Apache_Hadoop * http://wiki.apache.org/hadoop/DataNode ]] --- -- @usage -- nmap --script hadoop-datanode-info.nse -p 50075 host -- -- @output -- PORT STATE SERVICE REASON -- 50075/tcp open hadoop-datanode syn-ack -- | hadoop-datanode-info: -- |_ Logs: /logs/ --- 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({50075}, "hadoop-datanode")(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 = "/browseDirectory.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 Response")) if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then port.version.name = "hadoop-datanode" port.version.product = "Apache Hadoop" nmap.set_port_version(host, port, "hardmatched") local body = response['body']:gsub("%%","%%%%") stdnse.print_debug(2, ("%s: Body %s\n"):format(SCRIPT_NAME,body)) if body:match("([^][\"]+)\">Log") then local logs = body:match("([^][\"]+)\">Log") stdnse.print_debug(1, ("%s: Logs %s"):format(SCRIPT_NAME,logs)) table.insert(result, ("Logs: %s"):format(logs)) end return stdnse.format_output(true, result) end end