local datetime = require "datetime" local shortport = require "shortport" local stdnse = require "stdnse" local tab = require "tab" local target = require "target" local bitcoin = stdnse.silent_require "bitcoin" description = [[ Queries a Bitcoin server for a list of known Bitcoin nodes ]] --- -- @usage -- nmap -p 8333 --script bitcoin-getaddr -- -- @output -- PORT STATE SERVICE -- 8333/tcp open unknown -- | bitcoin-getaddr: -- | ip timestamp -- | 10.10.10.10:8333 11/09/11 17:38:00 -- | 10.10.10.11:8333 11/09/11 17:42:39 -- | 10.10.10.12:8333 11/09/11 19:34:07 -- | 10.10.10.13:8333 11/09/11 17:37:45 -- |_ 10.10.10.14:8333 11/09/11 17:37:12 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 bcoin = bitcoin.Helper:new(host, port, { timeout = 20000 }) 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: " .. ver) end local status, nodes = bcoin:getNodes() if ( not(status) ) then return fail("Failed to extract address information" .. nodes) end bcoin:close() local response = tab.new(2) tab.addrow(response, "ip", "timestamp") for _, node in ipairs(nodes or {}) do if ( target.ALLOW_NEW_TARGETS ) then target.add(node.address.host) end tab.addrow(response, ("%s:%d"):format(node.address.host, node.address.port), datetime.format_timestamp(node.ts)) end if ( #response > 1 ) then return stdnse.format_output(true, tab.dump(response) ) end end