local bitcoin = require "bitcoin" local shortport = require "shortport" local stdnse = require "stdnse" local table = require "table" description = [[ Extracts version and node information from a Bitcoin server ]] --- -- @usage -- nmap -p 8333 --script bitcoin-info -- -- @output -- PORT STATE SERVICE -- 8333/tcp open unknown -- | bitcoin-info: -- | Timestamp: Wed Nov 9 19:47:23 2011 -- | Network: main -- | Version: 0.4.0 -- | Node Id: DD5DFCBAAD0F882D -- |_ Lastblock: 152589 -- author = "Patrik Karlsson" license = "Same as Nmap--See https://nmap.org/book/man-legal.html" categories = {"discovery", "safe"} -- -- Version 0.1 -- -- Created 11/09/2011 - v0.1 - created by Patrik Karlsson -- portrule = shortport.port_or_service(8333, "bitcoin", "tcp" ) local function fail(err) return stdnse.format_output(false, err) end action = function(host, port) local NETWORK = { [3652501241] = "main", [3669344250] = "testnet" } local bcoin = bitcoin.Helper:new(host, port, { timeout = 10000 }) local status = bcoin:connect() if ( not(status) ) then return fail("Failed to connect to server") end local status, ver = bcoin:exchVersion() if ( not(status) ) then return fail("Failed to extract version information") end bcoin:close() local result = {} table.insert(result, ("Timestamp: %s"):format(stdnse.format_timestamp(ver.timestamp))) table.insert(result, ("Network: %s"):format(NETWORK[ver.magic])) table.insert(result, ("Version: %s"):format(ver.ver)) table.insert(result, ("Node Id: %s"):format(ver.nodeid)) table.insert(result, ("Lastblock: %s"):format(ver.lastblock)) return stdnse.format_output(true, result) end