| Current Path : /usr/share/nmap/scripts/ |
| Current File : //usr/share/nmap/scripts/couchdb-stats.nse |
description = [[
Gets database statistics from a CouchDB database.
For more info about the CouchDB HTTP API and the statistics, see
http://wiki.apache.org/couchdb/Runtime_Statistics
and
http://wiki.apache.org/couchdb/HTTP_database_API.
]]
---
-- @usage
-- nmap -p 5984 --script "couchdb-stats.nse" <host>
-- @output
-- PORT STATE SERVICE REASON
-- 5984/tcp open httpd syn-ack
-- | couchdb-stats:
-- | httpd_request_methods
-- | GET (number of HTTP GET requests)
-- | current = 5
-- | count = 1617
-- | couchdb
-- | request_time (length of a request inside CouchDB without MochiWeb)
-- | current = 1
-- | count = 5
-- | httpd_status_codes
-- | 200 (number of HTTP 200 OK responses)
-- | current = 5
-- | count = 1617
-- | httpd
-- | requests (number of HTTP requests)
-- | current = 5
-- | count = 1617
-- |_ Authentication : NOT enabled ('admin party')
-- version 0.3
--
-- Created 01/20/2010 - v0.1 - created by Martin Holst Swende <martin@swende.se>
-- Modified 07/02/2010 - v0.2 - added test if auth is enabled, compacted output a bit (mhs)
author = "Martin Holst Swende"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
require "shortport"
require "http"
require "json"
portrule = shortport.port_or_service({5984})
-- Some lazy shortcuts
local function dbg(str,...)
stdnse.print_debug("couchdb-stats:"..str, unpack(arg))
end
local DISCARD = {stddev=1,min=1,max=1, mean=1}
--- Removes uninteresting data from the table
-- uses the DISCARD table above to see what
-- keys should be omitted from the results
-- @param data a table containg data
--@return another table containing data, with some keys removed
local function queryResultToTable(data)
local result = {}
for k,v in pairs(data) do
dbg("(%s,%s)",k,tostring(v))
if DISCARD[k] ~= 1 then
if type(v) == 'table' then
if v["description"] ~= nil then
k = string.format("%s (%s)",tostring(k), tostring(v["description"]))
v["description"] = nil
end
table.insert(result,k)
table.insert(result,queryResultToTable(v))
else
table.insert(result,(("%s = %s"):format(tostring(k), tostring(v))))
end
end
end
return result
end
action = function(host, port)
local data, result, err
data = http.get( host, port, '/_stats' )
-- check that body was received
if not data.body or data.body == "" then
local msg = ("%s did not respond with any data."):format(hostrgetname or host.ip )
dbg( msg )
return msg
end
-- The html body should look like this :
--
--{"httpd_status_codes":{"200":{"current":10,"count":29894,"mean":0.0003345152873486337,"min":0,"max":1,"stddev":0.01828669972606202,"description":"number of HTTP 200 OK responses"},"500":{"current":1,"count":28429,"mean":0.00003517534911534013,"min":0,"max":1,"stddev":0.005930776661631644,"description":"number of HTTP 500 Internal Server Error responses"}},"httpd_request_methods":{"GET":{"current":12,"count":29894,"mean":0.00040141834481835866,"min":0,"max":2,"stddev":0.02163701147572207,"description":"number of HTTP GET requests"}},"httpd":{"requests":{"current":12,"count":29894,"mean":0.00040141834481835866,"min":0,"max":2,"stddev":0.02163701147572207,"description":"number of HTTP requests"}},"couchdb":{"request_time":{"current":23,"count":12,"mean":32.58333333333333,"min":1,"max":287,"stddev":77.76723638882608,"description":"length of a request inside CouchDB without MochiWeb"}}}
local status, result = json.parse(data.body)
if not status then
dbg(result)
return result
end
-- Here we know it is a couchdb
port.version.name ='httpd'
port.version.product='Apache CouchDB'
nmap.set_port_version(host,port,'hardmatched')
-- We have a valid table in result containing the parsed json
-- now, get all the interesting bits
result = queryResultToTable(result)
-- Additionally, we can check if authentication is used :
-- The following actions are restricted if auth is used
-- create db (PUT /database)
-- delete db (DELETE /database)
-- Creating a design document (PUT /database/_design/app)
-- Updating a design document (PUT /database/_design/app?rev=1-4E2)
-- Deleting a design document (DELETE /database/_design/app?rev=1-6A7)
-- Triggering compaction (POST /_compact)
-- Reading the task status list (GET /_active_tasks)
-- Restart the server (POST /_restart)
-- Read the active configuration (GET /_config)
-- Update the active configuration (PUT /_config)
data = http.get( host, port, '/_config' )
local status, authresult = json.parse(data.body)
-- If authorization is used, we should get back something like
-- {"error":"unauthorized","reason":"You are not a server admin."}
-- Otherwise, a *lot* of data, :
-- {"httpd_design_handlers":{"_info":"{couch_httpd_db, handle_design_info_req}",
-- "_list":"{couch_httpd_show, handle_view_list_req}","_show":"{couch_httpd_show, handle_doc_show_req}",
-- "_update":"{couch_httpd_show, handle_doc_update_req}","_view":"{couch_httpd_view, handle_view_req}"},
-- "httpd_global_handlers":{"/":"{couch_httpd_misc_handlers, handle_welcome_req, <<\"Welcome\">>}",
-- "_active_tasks":"{couch_httpd_misc_handlers, handle_task_status_req}",
-- "_all_dbs":"{couch_httpd_misc_handlers, handle_all_dbs_req}",
-- "_config":"{couch_httpd_misc_handlers, handle_config_req}",
-- "_log":"{couch_httpd_misc_handlers, handle_log_req}","_oauth":"{couch_httpd_oauth, handle_oauth_req}",
-- "_replicate":"{couch_httpd_misc_handlers, handle_replicate_req}","_restart":"{couch_httpd_misc_handlers, handle_restart_req}",
-- "_session":"{couch_httpd_auth, handle_session_req}","_sleep":"{couch_httpd_misc_handlers, handle_sleep_req}",
-- "_stats":"{couch_httpd_stats_handlers, handle_stats_req}","_user":"{couch_httpd_auth, handle_user_req}",
-- "_utils":"{couch_httpd_misc_handlers, handle_utils_dir_req, \"/usr/share/couchdb/www\"}",
-- "_uuids":"{couch_httpd_misc_handlers, handle_uuids_req}","favicon.ico":"{couch_httpd_misc_handlers, handle_favicon_req, \"/usr/share/couchdb/www\"}"},
-- "query_server_config":{"reduce_limit":"true"},"log":{"file":"/var/log/couchdb/0.10.0/couch.log","level":"info"},
-- "query_servers":{"javascript":"/usr/bin/couchjs /usr/share/couchdb/server/main.js"},
-- "daemons":{"batch_save":"{couch_batch_save_sup, start_link, []}","db_update_notifier":"{couch_db_update_notifier_sup, start_link, []}",
-- "external_manager":"{couch_external_manager, start_link, []}","httpd":"{couch_httpd, start_link, []}",
-- "query_servers":"{couch_query_servers, start_link, []}","stats_aggregator":"{couch_stats_aggregator, start, []}",
-- "stats_collector":"{couch_stats_collector, start, []}","view_manager":"{couch_view, start_link, []}"},
-- "httpd":{"WWW-Authenticate":"Basic realm=\"administrator\"","authentication_handlers":"{couch_httpd_oauth, oauth_authentication_handler}, {couch_httpd_auth, default_authentication_handler}",
-- "bind_address":"127.0.0.1","default_handler":"{couch_httpd_db, handle_request}","port":"5984"},"httpd_db_handlers":{"_changes":"{couch_httpd_db, handle_changes_req}",
-- "_compact":"{couch_httpd_db, handle_compact_req}","_design":"{couch_httpd_db, handle_design_req}","_temp_view":"{couch_httpd_view, handle_temp_view_req}",
-- "_view":"{couch_httpd_view, handle_db_view_req}","_view_cleanup":"{couch_httpd_db, handle_view_cleanup_req}"},
-- "couch_httpd_auth":{"authentication_db":"users","require_valid_user":"false","secret":"replace this with a real secret in your local.ini file"},
-- "couchdb":{"batch_save_interval":"1000","batch_save_size":"1000","database_dir":"/var/lib/couchdb/0.10.0","delayed_commits":"true",
-- "max_attachment_chunk_size":"4294967296","max_dbs_open":"100","max_document_size":"4294967296",
-- "os_process_timeout":"5000","util_driver_dir":"/usr/lib/couchdb/erlang/lib/couch-0.10.0/priv/lib","view_index_dir":"/var/lib/couchdb/0.10.0"}}
local auth = "Authentication : %s"
local authEnabled = "unknown"
if(status) then
if(authresult["error"] == "unauthorized") then authEnabled = "enabled"
elseif (authresult["httpd_design_handlers"] ~= nil) then authEnabled = "NOT enabled ('admin party')"
end
end
table.insert(result, auth:format(authEnabled))
return stdnse.format_output(true, result )
end
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