1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
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
|
