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a084340b6d
stdnse.print_debug accepts a format string and arguments, making
string.format redundant in calls of this form:
stdnse.print_debug(1, string.format("%s: error", SCRIPT_NAME))
stdnse.print_debug(("length %d"):format(#tab))
These can be rewritten as:
stdnse.print_debug(1, "%s: error", SCRIPT_NAME)
stdnse.print_debug("length %d", #tab)
83 lines
3.1 KiB
Lua
83 lines
3.1 KiB
Lua
local http = require "http"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local table = require "table"
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description = [[
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Retrieves information from an Apache Hadoop TaskTracker HTTP status page.
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Information gathered:
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* Hadoop version
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* Hadoop Compile date
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* Log directory (relative to http://host:port/)
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For more information about Hadoop, see:
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* http://hadoop.apache.org/
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* http://en.wikipedia.org/wiki/Apache_Hadoop
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* http://wiki.apache.org/hadoop/TaskTracker
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]]
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---
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-- @usage
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-- nmap --script hadoop-tasktracker-info -p 50060 host
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 50060/tcp open hadoop-tasktracker syn-ack
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-- | hadoop-tasktracker-info:
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-- | Version: 0.20.1 (f415ef415ef415ef415ef415ef415ef415ef415e)
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-- | Compiled: Wed May 11 22:33:44 PDT 2011 by bob from unknown
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-- |_ Logs: /logs/
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---
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author = "John R. Bond"
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license = "Simplified (2-clause) BSD license--See http://nmap.org/svn/docs/licenses/BSD-simplified"
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categories = {"default", "discovery", "safe"}
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portrule = function(host, port)
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-- Run for the special port number, or for any HTTP-like service that is
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-- not on a usual HTTP port.
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return shortport.port_or_service ({50060}, "hadoop-tasktracker")(host, port)
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or (shortport.service(shortport.LIKELY_HTTP_SERVICES)(host, port) and not shortport.portnumber(shortport.LIKELY_HTTP_PORTS)(host, port))
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end
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action = function( host, port )
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local result = {}
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local uri = "/tasktracker.jsp"
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stdnse.print_debug(1, "%s:HTTP GET %s:%s%s", SCRIPT_NAME, host.targetname or host.ip, port.number, uri)
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local response = http.get( host, port, uri )
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stdnse.print_debug(1, "%s: Status %s", SCRIPT_NAME,response['status-line'] or "No Response")
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if response['status-line'] and response['status-line']:match("200%s+OK") and response['body'] then
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local body = response['body']:gsub("%%","%%%%")
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stdnse.print_debug(2, "%s: Body %s\n", SCRIPT_NAME,body)
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if response['body']:match("Version:</b>%s*([^][<]+)") then
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local version = response['body']:match("Version:</b>%s*([^][<]+)")
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local versionNo = version:match("([^][,]+)")
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local versionHash = version:match("[^][,]+%s+(%w+)")
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stdnse.print_debug(1, "%s: Version %s (%s)", SCRIPT_NAME,versionNo,versionHash)
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table.insert(result, ("Version: %s (%s)"):format(versionNo,versionHash))
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port.version.version = version
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end
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if response['body']:match("Compiled:</b>%s*([^][<]+)") then
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local compiled = response['body']:match("Compiled:</b>%s*([^][<]+)"):gsub("%s+", " ")
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stdnse.print_debug(1, "%s: Compiled %s", SCRIPT_NAME,compiled)
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table.insert(result, ("Compiled: %s"):format(compiled))
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end
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if body:match("([^][\"]+)\">Log") then
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local logs = body:match("([^][\"]+)\">Log")
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stdnse.print_debug(1, "%s: Logs %s", SCRIPT_NAME,logs)
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table.insert(result, ("Logs: %s"):format(logs))
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end
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if #result > 0 then
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port.version.name = "hadoop-tasktracker"
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port.version.product = "Apache Hadoop"
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nmap.set_port_version(host, port)
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end
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return stdnse.format_output(true, result)
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end
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end
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