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hadoop-jobtracker-info.nse
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hadoop-jobtracker-info.nse
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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 table = require "table"
local target = require "target"
description = [[
Retrieves information from an Apache Hadoop JobTracker HTTP status page.
Information gathered:
* State of the JobTracker.
* Date/time the service was started
* Hadoop version
* Hadoop Compile date
* JobTracker ID
* Log directory (relative to http://host:port/)
* Associated TaskTrackers
* Optionally also user activity history
For more information about Hadoop, see:
* http://hadoop.apache.org/
* http://en.wikipedia.org/wiki/Apache_Hadoop
* http://wiki.apache.org/hadoop/JobTracker
]]
---
-- @usage
-- nmap --script hadoop-jobtracker-info [--script-args=hadoop-jobtracker-info.userinfo] -p 50030 host
--
-- @output
-- 50030/tcp open hadoop-jobtracker
-- | hadoop-jobtracker-info:
-- | State: RUNNING
-- | Started: Wed May 11 22:33:44 PDT 2011, bob
-- | Version: 0.20.2 (f415ef415ef415ef415ef415ef415ef415ef415e)
-- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown
-- | Identifier: 201111031342
-- | Log Files: logs/
-- | Tasktrackers:
-- | tracker1.example.com:50060
-- | tracker2.example.com:50060
-- | Userhistory:
-- | User: bob (Wed Sep 07 12:14:33 CEST 2011)
-- |_ User: bob (Wed Sep 07 12:14:33 CEST 2011)
-- ---
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 ({50030}, "hadoop-jobtracker")(host, port)
or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port))
end
get_userhistory = function( host, port )
local results = {}
local uri = "/jobhistory.jsp?pageno=-1&search="
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, port, 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
local body = response['body']:gsub("%%","%%%%")
stdnse.print_debug(2, ("%s: Body %s\n"):format(SCRIPT_NAME,body))
for line in string.gmatch(body, "[^\n]+") do
stdnse.print_debug(3, ("%s: Line %s\n"):format(SCRIPT_NAME,line))
if line:match("job_[%d_]+") then
local user = line:match("<td>([^][<>]+)</td></tr>")
local job_time = line:match("</td><td>([^][<]+)")
stdnse.print_debug(1, ("%s: User: %s (%s)"):format(SCRIPT_NAME,user,job_time))
table.insert( results, ("User: %s (%s)"):format(user,job_time))
end
end
end
return results
end
get_tasktrackers = function( host, port )
local results = {}
local uri = "/machines.jsp?type=active"
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, port, 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
stdnse.print_debug(2, ("%s: Body %s\n"):format(SCRIPT_NAME,response['body']))
for line in string.gmatch(response['body'], "[^\n]+") do
stdnse.print_debug(3, ("%s: Line %s\n"):format(SCRIPT_NAME,line))
if line:match("href=\"[%w]+://([%w%.:]+)/\">tracker") then
local tasktracker = line:match("href=\".*//([%w%.:]+)/\">tracker")
stdnse.print_debug(1, ("%s: taskstracker %s"):format(SCRIPT_NAME,tasktracker))
table.insert( results, tasktracker)
if target.ALLOW_NEW_TARGETS then
if tasktracker:match("([%w%.]+)") then
local newtarget = tasktracker:match("([%w%.]+)")
stdnse.print_debug(1, ("%s: Added target: %s"):format(SCRIPT_NAME, newtarget))
local status,err = target.add(newtarget)
end
end
end
end
end
return results
end
action = function( host, port )
local result = {}
local uri = "/jobtracker.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, port, 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
stdnse.print_debug(2, ("%s: Body %s\n"):format(SCRIPT_NAME,response['body']))
port.version.name = "hadoop-jobtracker"
port.version.product = "Apache Hadoop"
if response['body']:match("State:</b>%s*([^][<]+)") then
local state = response['body']:match("State:</b>%s*([^][<]+)")
stdnse.print_debug(1, ("%s: State %s"):format(SCRIPT_NAME,state))
table.insert(result, ("State: %s"):format(state))
end
if response['body']:match("Started:</b>%s*([^][<]+)") then
local started = response['body']:match("Started:</b>%s*([^][<]+)")
stdnse.print_debug(1, ("%s: Started %s"):format(SCRIPT_NAME,started))
table.insert(result, ("Started: %s"):format(started))
end
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.print_debug(1, ("%s: Version %s (%s)"):format(SCRIPT_NAME,versionNo,versionHash))
table.insert(result, ("Version: %s (%s)"):format(versionNo,versionHash))
port.version.version = versionNo
end
if response['body']:match("Compiled:</b>%s*([^][<]+)") then
local compiled = response['body']:match("Compiled:</b>%s*([^][<]+)"):gsub("%s+", " ")
stdnse.print_debug(1, ("%s: Compiled %s"):format(SCRIPT_NAME,compiled))
table.insert(result, ("Compiled: %s"):format(compiled))
end
if response['body']:match("Identifier:</b>%s*([^][<]+)") then
local identifier = response['body']:match("Identifier:</b>%s*([^][<]+)")
stdnse.print_debug(1, ("%s: Identifier %s"):format(SCRIPT_NAME,identifier))
table.insert(result, ("Identifier: %s"):format(identifier))
end
if response['body']:match("([%w/]+)\">Log<") then
local logfiles = response['body']:match("([%w/-_:%%]+)\">Log<")
stdnse.print_debug(1, ("%s: Log Files %s"):format(SCRIPT_NAME,logfiles))
table.insert(result, ("Log Files: %s"):format(logfiles))
end
nmap.set_port_version(host, port, "hardmatched")
local tasktrackers = get_tasktrackers (host, port)
if next(tasktrackers) then
table.insert(result, "Tasktrackers: ")
table.insert(result, tasktrackers)
end
if stdnse.get_script_args('hadoop-jobtracker-info.userinfo') then
local userhistory = get_userhistory (host, port)
table.insert(result, "Userhistory: ")
table.insert(result, userhistory)
end
return stdnse.format_output(true, result)
end
end