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scripts/epmd-info.nse
69 строк
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dmiller
Fix some swapped return values
25 мар 2017, 16:29
25 мар 2017, 16:29
d66dd69
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local nmap = require "nmap" local shortport = require "shortport" local stdnse = require "stdnse" local string = require "string" description = [[ Connects to Erlang Port Mapper Daemon (epmd) and retrieves a list of nodes with their respective port numbers. ]] --- -- @usage -- nmap -p 4369 --script epmd-info <target> -- -- @output -- PORT STATE SERVICE -- 4369/tcp open epmd -- | epmd-info.nse: -- | epmd_port: 4369 -- | nodes: -- | rabbit: 36804 -- |_ ejabberd: 46540 -- @xmloutput -- <elem key="epmd_port">4369</elem> -- <table key="nodes"> -- <elem key="rabbit">36804</elem> -- <elem key="ejabberd">46540</elem> -- </table> author = "Toni Ruottu" license = "Same as Nmap--See https://nmap.org/book/man-legal.html" categories = {"default", "discovery", "safe"} portrule = shortport.port_or_service (4369, "epmd") action = function(host, port) local socket = nmap.new_socket() socket:set_timeout(stdnse.get_timeout(host)) local try = nmap.new_try(function () socket:close() end) try(socket:connect(host, port)) try(socket:send("\x00\x01n")) -- NAMESREQ = 110 local getline = stdnse.make_buffer(socket, "\n") local data, err = getline() if data == nil then stdnse.debug2("Error on receive: %s", err) socket:close() return nil end local realport, pos = string.unpack(">I4", data) data = string.sub(data, pos) local nodes = stdnse.output_table() local name, port while data and data ~= "" do name, port = data:match("^name (.*) at port (%d+)") if name then nodes[name] = port end data = getline() end local response = stdnse.output_table() response.epmd_port = realport response.nodes = nodes return response end