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local nmap = require "nmap"
local rpc = require "rpc"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Connects to portmapper and fetches a list of all registered programs. It then
prints out a table including (for each program) the RPC program number,
supported version numbers, port number and protocol, and program name.
]]
---
-- @output
-- PORT STATE SERVICE
-- 111/tcp open rpcbind
-- | rpcinfo:
-- | program version port/proto service
-- | 100000 2,3,4 111/tcp rpcbind
-- | 100000 2,3,4 111/udp rpcbind
-- | 100001 2,3,4 32774/udp rstatd
-- | 100002 2,3 32776/udp rusersd
-- | 100002 2,3 32780/tcp rusersd
-- | 100011 1 32777/udp rquotad
-- | 100021 1,2,3,4 4045/tcp nlockmgr
-- | 100021 1,2,3,4 4045/udp nlockmgr
-- | 100024 1 32771/tcp status
-- | 100024 1 32773/udp status
-- | 100068 2,3,4,5 32775/udp cmsd
-- | 100083 1 32779/tcp ttdbserverd
-- | 100133 1 32771/tcp nsm_addrand
-- | 100133 1 32773/udp nsm_addrand
-- | 100229 1,2 32775/tcp metad
-- | 100230 1 32778/tcp metamhd
-- | 100242 1 32777/tcp rpc.metamedd
-- | 100249 1 32780/udp snmpXdmid
-- | 100249 1 32781/tcp snmpXdmid
-- | 100422 1 32776/tcp mdcommd
-- | 1073741824 1 32772/tcp fmproduct
-- | 300598 1 32782/tcp dmispd
-- | 300598 1 32783/udp dmispd
-- | 805306368 1 32782/tcp dmispd
-- |_ 805306368 1 32783/udp dmispd
--@xmloutput
--<table>
-- <table key="100003">
-- <table key="tcp">
-- <elem key="port">2049</elem>
-- <table key="version">
-- <elem>2</elem> <elem>3</elem> <elem>4</elem>
-- </table>
-- </table>
-- <table key="udp">
-- <elem key="port">2049</elem>
-- <table key="version">
-- <elem>2</elem> <elem>3</elem> <elem>4</elem>
-- </table>
-- </table>
-- </table>
-- <table key="100000">
-- <table key="tcp">
-- <elem key="port">111</elem>
-- <table key="version">
-- <elem>2</elem> <elem>3</elem> <elem>4</elem>
-- </table>
-- </table>
-- <table key="udp">
-- <elem key="port">111</elem>
-- <table key="version">
-- <elem>2</elem> <elem>3</elem> <elem>4</elem>
-- </table>
-- </table>
-- </table>
--</table>
--
-- @see rpc-grind.nse
author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"discovery", "default", "safe", "version"}
-- don't match "rpcbind" because that's what version scan labels any RPC service
portrule = function(host, port)
return nmap.version_intensity() >= 7 and
shortport.portnumber(111, {"tcp", "udp"})(host, port)
end
action = function(host, port)
local result = {}
local status, rpcinfo = rpc.Helper.RpcInfo( host, port )
local xmlout = {}
if ( not(status) ) then
return stdnse.format_output(false, rpcinfo)
end
for progid, v in pairs(rpcinfo) do
xmlout[tostring(progid)] = v
for proto, v2 in pairs(v) do
if proto == "tcp" or proto == "udp" then
local nmapport = nmap.get_port_state(host, {number=v2.port, protocol=proto})
if nmapport and (nmapport.state == "open" or nmapport.state == "open|filtered") then
nmapport.version = nmapport.version or {}
-- If we don't already know it, or we only know that it's "rpcbind"
if nmapport.service == nil or nmapport.version.service_dtype == "table" or port.service == "rpcbind" then
nmapport.version.name = rpc.Util.ProgNumberToName(progid)
nmapport.version.extrainfo = "RPC #" .. progid
if #v2.version > 1 then
nmapport.version.version = ("%d-%d"):format(v2.version[1], v2.version[#v2.version])
else
nmapport.version.version = tostring(v2.version[1])
end
nmap.set_port_version(host, nmapport, "softmatched")
end
end
end
if v2.port then
-- TODO: report other transports that don't have a port; e.g. "local"
table.insert( result, ("%-7d %-10s %5d/%-4s %s"):format(progid, table.concat(v2.version, ","), v2.port, proto, rpc.Util.ProgNumberToName(progid) or "") )
end
end
end
table.sort(result)
if (#result > 0) then
table.insert(result, 1, "program version port/proto service")
end
return xmlout, stdnse.format_output( true, result )
end
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