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local http = require "http"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
description = [[
Retrieves information from an Apache Hadoop TaskTracker HTTP status page.
Information gathered:
* Hadoop version
* Hadoop Compile date
* Log directory (relative to http://host:port/)
]]
---
-- @usage
-- nmap --script hadoop-tasktracker-info -p 50060 host
--
-- @output
-- PORT STATE SERVICE REASON
-- 50060/tcp open hadoop-tasktracker syn-ack
-- | hadoop-tasktracker-info:
-- | Version: 0.20.1 (f415ef415ef415ef415ef415ef415ef415ef415e)
-- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown
-- |_ Logs: /logs/
--
-- @xmloutput
-- <elem key="Version">0.20.1 (f415ef415ef415ef415ef415ef415ef415ef415e)</elem>
-- <elem key="Compiled">Wed May 11 22:33:44 PDT 2011 by bob from unknown</elem>
-- <elem key="Logs">/logs/</elem>
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 ({50060}, "hadoop-tasktracker")(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 = "/tasktracker.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 Response")
if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then
local body = response['body']:gsub("%%","%%%%")
stdnse.debug2("Body %s\n",body)
if response['body']:match("Version:</b>%s*([^][<]+)") then
local version = response['body']:match("Version:</b>%s*([^][<]+)")
local versionNo = version:match("([^][,]+)")
local versionHash = version:match("[^][,]+%s+(%w+)")
stdnse.debug1("Version %s (%s)",versionNo,versionHash)
result["Version"] = ("%s (%s)"):format(versionNo, versionHash)
port.version.version = version
end
if response['body']:match("Compiled:</b>%s*([^][<]+)") then
local compiled = response['body']:match("Compiled:</b>%s*([^][<]+)"):gsub("%s+", " ")
stdnse.debug1("Compiled %s",compiled)
result["Compiled"] = compiled
end
if body:match("([^][\"]+)\">Log") then
local logs = body:match("([^][\"]+)\">Log")
stdnse.debug1("Logs %s",logs)
result["Logs"] = logs
end
if #result > 0 then
port.version.name = "hadoop-tasktracker"
port.version.product = "Apache Hadoop"
nmap.set_port_version(host, port)
return result
end
end
end
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