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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)
64 lines
2.2 KiB
Lua
64 lines
2.2 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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Discovers information such as log directories from an Apache Hadoop DataNode HTTP status page.
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Information gathered:
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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/DataNode
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]]
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---
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-- @usage
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-- nmap --script hadoop-datanode-info.nse -p 50075 host
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 50075/tcp open hadoop-datanode syn-ack
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-- | hadoop-datanode-info:
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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({50075}, "hadoop-datanode")(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 = "/browseDirectory.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 body:match("([^][\"]+)\">Log") then
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port.version.name = "hadoop-datanode"
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port.version.product = "Apache Hadoop"
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nmap.set_port_version(host, port)
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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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return stdnse.format_output(true, result)
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end
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end
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