77 lines
2.0 KiB
Lua
77 lines
2.0 KiB
Lua
local datetime = require "datetime"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local tab = require "tab"
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local target = require "target"
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local bitcoin = stdnse.silent_require "bitcoin"
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description = [[
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Queries a Bitcoin server for a list of known Bitcoin nodes
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]]
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---
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-- @usage
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-- nmap -p 8333 --script bitcoin-getaddr <ip>
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--
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-- @output
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-- PORT STATE SERVICE
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-- 8333/tcp open unknown
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-- | bitcoin-getaddr:
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-- | ip timestamp
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-- | 10.10.10.10:8333 11/09/11 17:38:00
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-- | 10.10.10.11:8333 11/09/11 17:42:39
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-- | 10.10.10.12:8333 11/09/11 19:34:07
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-- | 10.10.10.13:8333 11/09/11 17:37:45
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-- |_ 10.10.10.14:8333 11/09/11 17:37:12
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author = "Patrik Karlsson"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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categories = {"discovery", "safe"}
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--
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-- Version 0.1
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--
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-- Created 11/09/2011 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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--
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portrule = shortport.port_or_service(8333, "bitcoin", "tcp" )
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local function fail(err) return stdnse.format_output(false, err) end
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action = function(host, port)
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local bcoin = bitcoin.Helper:new(host, port, { timeout = 20000 })
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local status = bcoin:connect()
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if ( not(status) ) then
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return fail("Failed to connect to server")
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end
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local status, ver = bcoin:exchVersion()
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if ( not(status) ) then
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return fail("Failed to extract version information: " .. ver)
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end
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local status, nodes = bcoin:getNodes()
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if ( not(status) ) then
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return fail("Failed to extract address information" .. nodes)
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end
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bcoin:close()
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local response = tab.new(2)
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tab.addrow(response, "ip", "timestamp")
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for _, node in ipairs(nodes or {}) do
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if ( target.ALLOW_NEW_TARGETS ) then
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target.add(node.address.host)
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end
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tab.addrow(response, ("%s:%d"):format(node.address.host, node.address.port), datetime.format_timestamp(node.ts))
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end
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if ( #response > 1 ) then
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return stdnse.format_output(true, tab.dump(response) )
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end
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end
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