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usr/share/nmap/scripts/_[ Not.Writable ]

File://usr/share/nmap/scripts/flume-master-info.nse

local http = require "http"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local string = require "string"
local target = require "target"

description = [[
Retrieves information from Flume master HTTP pages.

Information gathered:
* Flume version
* Flume server id
* Zookeeper/Hbase master servers present in configured flows
* Java information
* OS information
* various other local configurations.

If this script is run wth -v, it will output lots more info.

Use the <code>newtargets</code> script argument to add discovered hosts to
the Nmap scan queue.
]]

---
-- @usage
-- nmap --script flume-master-info -p 35871 host
--
-- @output
-- PORT      STATE SERVICE         REASON
-- 35871/tcp open  flume-master syn-ack
--| flume-master-info:
--|   Version:  0.9.4-cdh3u3
--|   ServerID: 0
--|   Flume nodes:
--|     node1.example.com
--|     node2.example.com
--|     node5.example.com
--|     node6.example.com
--|     node3.example.com
--|     node4.example.com
--|   Zookeeper Master:
--|     master1.example.com
--|   Hbase Master Master:
--|     hdfs://master1.example.com:8020/hbase
--|   Enviroment:
--|     java.runtime.name: Java(TM) SE Runtime Environment
--|     java.runtime.version: 1.6.0_36-a01
--|     java.version: 1.6.0_36
--|     java.vm.name: Java HotSpot(TM) 64-Bit Server VM
--|     java.vm.vendor: Sun Microsystems Inc.
--|     java.vm.version: 14.0-b12
--|     os.arch: amd64
--|     os.name: Linux
--|     os.version: 2.6.32-220.4.2.el6.x86_64
--|     user.country: US
--|     user.name: flume
--|   Config:
--|     dfs.datanode.address: 0.0.0.0:50010
--|     dfs.datanode.http.address: 0.0.0.0:50075
--|     dfs.datanode.https.address: 0.0.0.0:50475
--|     dfs.datanode.ipc.address: 0.0.0.0:50020
--|     dfs.http.address: master1.example.com:50070
--|     dfs.https.address: 0.0.0.0:50470
--|     dfs.secondary.http.address: 0.0.0.0:50090
--|     flume.collector.dfs.dir: hdfs://master1.example.com/user/flume/collected
--|     flume.collector.event.host: node1.example.com
--|     flume.master.servers: master1.example.com
--|     fs.default.name: hdfs://master1.example.com:8020
--|     mapred.job.tracker: master1.example.com:9001
--|     mapred.job.tracker.handler.count: 10
--|     mapred.job.tracker.http.address: 0.0.0.0:50030
--|     mapred.job.tracker.http.address: 0.0.0.0:50030
--|     mapred.job.tracker.jobhistory.lru.cache.size: 5
--|     mapred.job.tracker.persist.jobstatus.active: false
--|     mapred.job.tracker.persist.jobstatus.dir: /jobtracker/jobsInfo
--|     mapred.job.tracker.persist.jobstatus.hours: 0
--|     mapred.job.tracker.retiredjobs.cache.size: 1000
--|     mapred.task.tracker.http.address: 0.0.0.0:50060
--|_    mapred.task.tracker.report.address: 127.0.0.1:0
--
--@xmloutput
-- <elem key="Version">0.9.4-cdh3u3</elem>
-- <elem key="ServerID">0</elem>
-- <table key="Flume nodes">
--   <elem>node1.example.com</elem>
--   <elem>node2.example.com</elem>
--   <elem>node5.example.com</elem>
--   <elem>node6.example.com</elem>
--   <elem>node3.example.com</elem>
--   <elem>node4.example.com</elem>
-- </table>
-- <table key="Zookeeper Master">
--   <elem>master1.example.com</elem>
-- </table>
-- <table key="Hbase Master Master">
--   <elem>hdfs://master1.example.com:8020/hbase</elem>
-- </table>
-- <table key="Enviroment">
--   <elem key="java.runtime.name">Java(TM) SE Runtime Environment</elem>
--   <elem key="java.runtime.version">1.6.0_36-a01</elem>
--   <elem key="java.version">1.6.0_36</elem>
--   <elem key="java.vm.name">Java HotSpot(TM) 64-Bit Server VM</elem>
--   <elem key="java.vm.vendor">Sun Microsystems Inc.</elem>
--   <elem key="java.vm.version">14.0-b12</elem>
--   <elem key="os.arch">amd64</elem>
--   <elem key="os.name">Linux</elem>
--   <elem key="os.version">2.6.32-220.4.2.el6.x86_64</elem>
--   <elem key="user.country">US</elem>
--   <elem key="user.name">flume</elem>
-- </table>
-- <table key="Config">
--   <elem key="dfs.datanode.address">0.0.0.0:50010</elem>
--   <elem key="dfs.datanode.http.address">0.0.0.0:50075</elem>
--   <elem key="dfs.datanode.https.address">0.0.0.0:50475</elem>
--   <elem key="dfs.datanode.ipc.address">0.0.0.0:50020</elem>
--   <elem key="dfs.http.address">master1.example.com:50070</elem>
--   <elem key="dfs.https.address">0.0.0.0:50470</elem>
--   <elem key="dfs.secondary.http.address">0.0.0.0:50090</elem>
--   <elem key="flume.collector.dfs.dir">hdfs://master1.example.com/user/flume/collected</elem>
--   <elem key="flume.collector.event.host">node1.example.com</elem>
--   <elem key="flume.master.servers">master1.example.com</elem>
--   <elem key="fs.default.name">hdfs://master1.example.com:8020</elem>
--   <elem key="mapred.job.tracker">master1.example.com:9001</elem>
--   <elem key="mapred.job.tracker.handler.count">10</elem>
--   <elem key="mapred.job.tracker.http.address">0.0.0.0:50030</elem>
--   <elem key="mapred.job.tracker.http.address">0.0.0.0:50030</elem>
--   <elem key="mapred.job.tracker.jobhistory.lru.cache.size">5</elem>
--   <elem key="mapred.job.tracker.persist.jobstatus.active">false</elem>
--   <elem key="mapred.job.tracker.persist.jobstatus.dir">/jobtracker/jobsInfo</elem>
--   <elem key="mapred.job.tracker.persist.jobstatus.hours">0</elem>
--   <elem key="mapred.job.tracker.retiredjobs.cache.size">1000</elem>
--   <elem key="mapred.task.tracker.http.address">0.0.0.0:50060</elem>
--   <elem key="mapred.task.tracker.report.address">127.0.0.1:0</elem>
-- </table>

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 ({35871}, "flume-master")(host, port)
    or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port)
      and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port))
end

function add_target(hostname)
  if target.ALLOW_NEW_TARGETS then
    stdnse.debug1("Added target: %s", hostname)
    local status,err = target.add(hostname)
  end
end

-- ref: http://lua-users.org/wiki/TableUtils
function table_count(tt, item)
  local count
  count = 0
  for ii,xx in pairs(tt) do
    if item == xx then count = count + 1 end
  end
  return count
end

parse_page = function( host, port, uri, interesting_keys )
  local result = stdnse.output_table()
  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("%%","%%%%")
    for name,value in string.gmatch(body,
      "<tr><th>([^][<]+)</th>%s*<td><div%sclass=[^][>]+>([^][<]+)") do
      stdnse.debug1("%s=%s ", name, value:gsub("^%s*(.-)%s*$", "%1"))
      if nmap.verbosity() > 1 then
        result[name] = value:gsub("^%s*(.-)%s*$", "%1")
      else
        for i,v in ipairs(interesting_keys) do
          if name:match(("^%s"):format(v)) then
            result[name] = value:gsub("^%s*(.-)%s*$", "%1")
          end
        end
      end
    end
  end
  return result
end

action = function( host, port )

  local result = stdnse.output_table()
  local uri = "/flumemaster.jsp"
  local env_uri = "/masterenv.jsp"
  local config_uri = "/masterstaticconfig.jsp"
  local env_keys = {
    "java.runtime",
    "java.version",
    "java.vm.name",
    "java.vm.vendor",
    "java.vm.version",
    "os",
    "user.name",
    "user.country",
    "user.language,user.timezone"
  }
  local config_keys = {
    "dfs.datanode.address",
    "dfs.datanode.http.address",
    "dfs.datanode.https.address",
    "dfs.datanode.ipc.address",
    "dfs.http.address",
    "dfs.https.address",
    "dfs.secondary.http.address",
    "flume.collector.dfs.dir",
    "flume.collector.event.host",
    "flume.master.servers",
    "fs.default.name",
    "mapred.job.tracker",
    "mapred.job.tracker.http.address",
    "mapred.task.tracker.http.address",
    "mapred.task.tracker.report.address"
  }
  local nodes = {  }
  local zookeepers = {  }
  local hbasemasters = {  }
  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("%%","%%%%")
    local capacity = {}
    stdnse.debug2("Body %s\n", body)
    if body:match("Version:%s*</b>([^][,]+)") then
      local version = body:match("Version:%s*</b>([^][,]+)")
      stdnse.debug1("Version %s", version)
      result["Version"] = version
      port.version.version = version
    end
    if body:match("Compiled:%s*</b>([^][<]+)") then
      local compiled = body:match("Compiled:%s*</b>([^][<]+)")
      stdnse.debug1("Compiled %s", compiled)
      result["Compiled"] = compiled
    end
    if body:match("ServerID:%s*([^][<]+)") then
      local upgrades = body:match("ServerID:%s*([^][<]+)")
      stdnse.debug1("ServerID %s", upgrades)
      result["ServerID"] = upgrades
    end
    for logical,physical,hostname in string.gmatch(body,
      "<tr><td>([%w%.-_:]+)</td><td>([%w%.]+)</td><td>([%w%.]+)</td>") do
      stdnse.debug2("%s (%s) %s", physical, logical, hostname)
      if (table_count(nodes, hostname) == 0) then
        nodes[#nodes+1] = hostname
        add_target(hostname)
      end
    end
    if next(nodes) ~= nil then
      result["Flume nodes"] = nodes
    end
    for zookeeper in string.gmatch(body,"Dhbase.zookeeper.quorum=([^][\"]+)") do
      if (table_count(zookeepers, zookeeper) == 0) then
        zookeepers[#zookeepers+1] = zookeeper
        add_target(zookeeper)
      end
    end
    if next(zookeepers) ~= nil then
      result["Zookeeper Master"] = zookeepers
    end
    for hbasemaster in string.gmatch(body,"Dhbase.rootdir=([^][\"]+)") do
      if (table_count(hbasemasters, hbasemaster) == 0) then
        hbasemasters[#hbasemasters+1] = hbasemaster
        add_target(hbasemaster)
      end
    end
    if next(hbasemasters) ~= nil then
      result["Hbase Masters"] = hbasemasters
    end
    local vars = parse_page(host, port, env_uri, env_keys )
    if next(vars) ~= nil then
      result["Environment"] = vars
    end
    local vars = parse_page(host, port, config_uri, config_keys )
    if next(vars) ~= nil then
      result["Config"] = vars
    end
    if #result > 0 then
      port.version.name = "flume-master"
      port.version.product = "Apache Flume"
      nmap.set_port_version(host, port)
      return result
    end
  end
end

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