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

File://usr/share/nmap/scripts/membase-http-info.nse

local _G = require "_G"
local http = require "http"
local json = require "json"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
local tab = require "tab"

description = [[
Retrieves information (hostname, OS, uptime, etc.) from the CouchBase
Web Administration port.  The information retrieved by this script
does not require any credentials.
]]

---
-- @usage
-- nmap -p 8091 <ip> --script membase-http-info
--
-- @output
-- PORT     STATE SERVICE
-- 8091/tcp open  unknown
-- | membase-http-info:
-- |   Hostname           192.168.0.5:8091
-- |   OS                 x86_64-unknown-linux-gnu
-- |   Version            1.7.2r-20-g6604356
-- |   Kernel version     2.14.4
-- |   Mnesia version     4.4.19
-- |   Stdlib version     1.17.4
-- |   OS mon version     2.2.6
-- |   NS server version  1.7.2r-20-g6604356
-- |   SASL version       2.1.9.4
-- |   Status             healthy
-- |   Uptime             21465
-- |   Total memory       522022912
-- |   Free memory        41779200
-- |_  Server list        192.168.0.5:11210
--

author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}


portrule = shortport.port_or_service(8091, "http", "tcp")

local function fail(err) return stdnse.format_output(false, err) end

local filter = {
  ["parsed[1]['nodes'][1]['os']"] = { name = "OS" },
  ["parsed[1]['nodes'][1]['version']"] = { name = "Version" },
  ["parsed[1]['nodes'][1]['hostname']"] = { name = "Hostname" },
  ["parsed[1]['nodes'][1]['status']"] = { name = "Status" },
  ["parsed[1]['nodes'][1]['uptime']"] = { name = "Uptime" },
  ["parsed[1]['nodes'][1]['memoryTotal']"] = { name = "Total memory" },
  ["parsed[1]['nodes'][1]['memoryFree']"] = { name = "Free memory" },
  ["parsed[1]['vBucketServerMap']['serverList']"] = { name = "Server list" },
  ["parsed['componentsVersion']['kernel']"] = { name = "Kernel version" },
  ["parsed['componentsVersion']['mnesia']"] = { name = "Mnesia version" },
  ["parsed['componentsVersion']['stdlib']"] = { name = "Stdlib version" },
  ["parsed['componentsVersion']['os_mon']"] = { name = "OS mon version" },
  ["parsed['componentsVersion']['ns_server']"] = { name = "NS server version" },
  ["parsed['componentsVersion']['sasl']"] = { name = "SASL version" },
}

local order = {
  "parsed[1]['nodes'][1]['hostname']",
  "parsed[1]['nodes'][1]['os']",
  "parsed[1]['nodes'][1]['version']",
  "parsed['componentsVersion']['kernel']",
  "parsed['componentsVersion']['mnesia']",
  "parsed['componentsVersion']['stdlib']",
  "parsed['componentsVersion']['os_mon']",
  "parsed['componentsVersion']['ns_server']",
  "parsed['componentsVersion']['sasl']",
  "parsed[1]['nodes'][1]['status']",
  "parsed[1]['nodes'][1]['uptime']",
  "parsed[1]['nodes'][1]['memoryTotal']",
  "parsed[1]['nodes'][1]['memoryFree']",
  "parsed[1]['vBucketServerMap']['serverList']",
}

local function cmdReq(host, port, url, result)
  local response = http.get(host, port, url)

  if ( 200 ~= response.status ) or ( response.header['server'] == nil ) then
    return false
  end

  if ( response.header['server'] and
      not( response.header['server']:match("^Couchbase Server") or response.header['server']:match("^Membase Server")  ) ) then
    return false
  end

  local status, parsed = json.parse(response.body)
  if ( not(status) ) then
    return false, "Failed to parse response from server"
  end

  result = result or {}
  for item in pairs(filter) do
    local var, val = ""
    for x in item:gmatch("(.-%])") do
      var = var .. x
      local env = setmetatable({parsed=parsed}, {__index = _G})
      local func = load("return " .. var, nil, "t", env)

      if ( not(func()) ) then
        val = nil
        break
      end
      val = func()
    end

    if ( val ) then
      local name = filter[item].name
      val = ( "table" == type(val) and table.concat(val, ",") or val )
      result[item] = { name = name, value = val }
    end
  end
  return true, result
end

action = function(host, port)

  -- Identify servers that answer 200 to invalid HTTP requests and exit as these would invalidate the tests
  local status_404, result_404, _ = http.identify_404(host,port)
  if ( status_404 and result_404 == 200 ) then
    stdnse.debug1("Exiting due to ambiguous response from web server on %s:%s. All URIs return status 200.", host.ip, port.number)
    return nil
  end

  local urls = { "/pools/default/buckets", "/pools" }

  local status, result
  for _, u in ipairs(urls) do
    status, result = cmdReq(host, port, u, result)
  end

  if ( not(result) or not(next(result)) ) then
    return
  end

  local output = tab.new(2)
  for _, item in ipairs(order) do
    if ( result[item] ) then
      tab.addrow(output, result[item].name, result[item].value)
    end
  end

  return stdnse.format_output(true, tab.dump(output))
end

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Regist : 09-12-2024	Expired : 01-12-2027