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|
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
|
