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o [NSE] Added a natpmp library and the script nat-pmp-mapport that allows
NAT mapping of external TCP and UDP ports to internal addresses. [Patrik]
This commit is contained in:
patrik
@@ -1,5 +1,8 @@
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# Nmap Changelog ($Id$); -*-text-*-
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o [NSE] Added a natpmp library and the script nat-pmp-mapport that allows
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NAT mapping of external TCP and UDP ports to internal addresses. [Patrik]
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o [NSE] Added the script riak-http-info that lists version and statistics
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information from the Basho Riak distributed database. [Patrik]
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@@ -10,8 +13,8 @@ o [NSE] Added the script memcached-info that lists version and statistics
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o [NSE] Added the script redis-info that lists version and statistic
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information gathered from the Redis network key-value store. [Patrik]
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o [NSE] Added the script redis-brute that performs brute force password
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guessing against the Redis network key-value store. [Patrik]
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o [NSE] Added the redis library and the script redis-brute that performs brute
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force password guessing against the Redis network key-value store. [Patrik]
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o [NSE] Added the script http-proxy-brute that performs brute force password
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guessing against HTTP proxy servers. [Patrik]
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220
nselib/natpmp.lua
Normal file
220
nselib/natpmp.lua
Normal file
@@ -0,0 +1,220 @@
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---
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-- This library implements the basics of NAT-PMP as described in the
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-- NAT Port Mapping Protocol (NAT-PMP) draft:
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-- o http://tools.ietf.org/html/draft-cheshire-nat-pmp-03
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--
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--
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-- @author "Patrik Karlsson <patrik@cqure.net>"
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--
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module(... or "natpmp", package.seeall)
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require 'bin'
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require 'ipOps'
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local ResultCode = {
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SUCCESS = 0,
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UNSUPPORTED_VERSION = 1,
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NOT_AUTHORIZED = 2,
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NETWORK_FAILURE = 3,
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OUT_OF_RESOURCES = 4,
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UNSUPPORTED_OPCODE = 5,
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}
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local ErrorMessage = {
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[ResultCode.UNSUPPORTED_VERSION] = "The device did not support the protocol version",
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[ResultCode.NOT_AUTHORIZED] = "The operation was not authorized",
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[ResultCode.NETWORK_FAILURE] = "Network failure",
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[ResultCode.OUT_OF_RESOURCES] = "The device is out of resources",
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[ResultCode.UNSUPPORTED_OPCODE] = "The requested operation was not supported",
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}
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Request = {
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GetWANIP = {
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new = function(self)
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local o = { version = 0, op = 0 }
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setmetatable(o, self)
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self.__index = self
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return o
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end,
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__tostring = function(self)
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return bin.pack(">CC", self.version, self.op)
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end,
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},
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MapPort = {
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new = function(self, pubport, privport, proto, lifetime)
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assert(proto == "udp" or proto == "tcp", "Unsupported protocol")
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local o = {
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version = 0,
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pubport = pubport,
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privport = privport,
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proto = proto,
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lifetime = lifetime or 3600
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}
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setmetatable(o, self)
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self.__index = self
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return o
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end,
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__tostring = function(self)
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return bin.pack(">CCSSSI",
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self.version,
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(self.proto=="udp" and 1 or 2),
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0, -- reserved
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self.privport, self.pubport,
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self.lifetime)
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end,
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}
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}
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Response = {
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GetWANIP = {
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new = function(self, data)
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local o = { data = data }
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setmetatable(o, self)
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self.__index = self
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if ( o:parse() ) then
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return o
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end
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end,
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parse = function(self)
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if ( #self.data ~= 12 ) then
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return
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end
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local pos
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pos, self.version, self.op, self.rescode = bin.unpack("<CCS", self.data)
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if ( self.rescode ~= ResultCode.SUCCESS or self.op ~= 128 ) then
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return
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end
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pos, self.time, self.ip = bin.unpack("<II", self.data, pos)
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self.ip = ipOps.fromdword(self.ip)
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self.time = os.date("%c", self.time)
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return true
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end,
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},
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MapPort = {
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new = function(self, data)
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local o = { data = data }
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setmetatable(o, self)
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self.__index = self
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if ( o:parse() ) then
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return o
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end
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end,
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parse = function(self)
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if ( #self.data ~= 16 ) then
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return
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end
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local pos
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pos, self.version, self.op, self.rescode = bin.unpack("<CCS", self.data)
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if ( self.rescode ~= ResultCode.SUCCESS ) then
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return
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end
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pos, self.time, self.privport, self.pubport, self.lifetime = bin.unpack(">ISSI", self.data, pos)
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return true
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end,
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}
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}
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Helper = {
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new = function(self, host, port)
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local o = { host = host, port = port }
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setmetatable(o, self)
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self.__index = self
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return o
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end,
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exchPacket = function(self, data)
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local socket = nmap.new_socket("udp")
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socket:set_timeout(5000)
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local status = socket:sendto(self.host, self.port, data)
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if ( not(status) ) then
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socket:close()
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return false, "Failed to send request to device"
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end
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local response
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status, response = socket:receive()
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socket:close()
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if ( not(status) ) then
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return false, "Failed to receive response from router"
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end
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return true, response
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end,
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--- Gets the WAN ip of the router
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getWANIP = function(self)
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local packet = Request.GetWANIP:new()
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local status, response = self:exchPacket(tostring(packet))
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if ( not(status) ) then
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return status, response
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end
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response = Response.GetWANIP:new(response)
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if ( not(response) ) then
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return false, "Failed to parse response from router"
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end
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return true, response
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end,
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--- Maps a public port to a private port
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-- @param pubport number containing the public external port to map
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-- @param privport number containing the private internal port to map
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-- @param protocol string containing the protocol to map (udp|tcp)
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-- @param lifetime [optional] number containing the lifetime in seconds
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mapPort = function(self, pubport, privport, protocol, lifetime)
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local packet = Request.MapPort:new(pubport, privport, protocol, lifetime)
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local status, response = self:exchPacket(tostring(packet))
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if ( not(status) ) then
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return status, response
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end
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response = Response.MapPort:new(response)
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if ( not(response) ) then
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return false, "Failed to parse response from router"
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end
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print(response.privport, response.pubport, response.lifetime)
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return true, response
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end,
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unmapPort = function(self, pubport, privport)
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return self:mapPort(pubport, privport, 0)
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end,
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unmapAllPorts = function(self)
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return self.mapPort(0, 0, 0)
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end,
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}
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@@ -1,104 +1,35 @@
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description = [[
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Queries a NAT-PMP service for its external address.
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Get's the routers WAN IP using the NAT Port Mapping Protocol (NAT-PMP).
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The NAT-PMP protocol is supported by a broad range of routers including:
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- Apple AirPort Express
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- Apple AirPort Extreme
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- Apple Time Capsule
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- DD-WRT
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- OpenWrt v8.09 or higher, with MiniUPnP daemon
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- pfSense v2.0
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- Tarifa (firmware) (Linksys WRT54G/GL/GS)
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- Tomato Firmware v1.24 or higher. (Linksys WRT54G/GL/GS and many more)
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- Peplink Balance
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]]
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---
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-- @usage
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-- nmap -sU --script nat-pmp-info -p 5351 <host>
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 5351/udp open unknown udp-response
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-- | nat-pmp-info:
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-- |_ External ip: 1.2.3.4
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--
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--
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-- The implementation is based on the following documentation:
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-- http://files.dns-sd.org/draft-cheshire-nat-pmp.txt
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--
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--
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-- Version 0.1
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-- Created 09/15/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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--
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author = "Patrik Karlsson"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"default", "safe", "discovery"}
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categories = {"default", "discovery", "safe"}
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require "stdnse"
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require "shortport"
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require 'shortport'
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require 'natpmp'
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portrule = shortport.port_or_service(5351, "nat-pmp", "udp")
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portrule = shortport.port_or_service(5351, "nat-pmp", {"udp"} )
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process_response = function( data )
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action = function(host, port)
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local helper = natpmp.Helper:new(host, port)
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local status, response = helper:getWANIP()
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--
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-- Make sure we received exactly 12 bytes:
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--
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-- 0 1 2 3
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-- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-- | Vers = 0 | OP = 128 + 0 | Result Code |
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-- | Seconds Since Start of Epoch |
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-- | External IP Address (a.b.c.d) |
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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--
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if ( #data ~= 12 ) then return false, "Invalid length" end
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local pos, version, op, result, time = bin.unpack("CCSI", data )
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-- Make sure the result code is zero (OK)
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if ( result ~= 0 ) then
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return false, ("Non-zero (%d) result code returned"):format(result)
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end
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local _, o1, o2, o3, o4 = bin.unpack("CCCC", data, pos )
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return true, ("%d.%d.%d.%d"):format(o1,o2,o3,o4)
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end
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action = function( host, port )
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local socket = nmap.new_socket()
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local status = socket:connect( host, port, "udp" )
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socket:set_timeout(5000)
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-- 0 1
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-- 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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-- | Vers = 0 | OP = 0 |
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-- +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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--
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-- Layout of the query for external IP packet
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--
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local packet = string.char( 0, 0 )
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status = socket:send( packet )
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if( not(status) ) then
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stdnse.print_debug(3, "ERROR: Failed to send data")
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return
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end
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local data
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status, data = socket:receive_bytes(12)
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if( not(status) ) then
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stdnse.print_debug(3, "ERROR: Failed to receive data")
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return
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end
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local external_ip
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status, external_ip = process_response( data )
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if ( not(status) ) then stdnse.print_debug(3, external_ip) end
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-- set port to open
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if ( status ) then
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nmap.set_port_state(host, port, "open")
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port.version.name = "nat-pmp"
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nmap.set_port_version(host, port, "hardmatched")
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return (" \n External ip: %s"):format( external_ip )
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return stdnse.format_output(true, ("WAN IP: %s"):format(response.ip))
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end
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end
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|
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114
scripts/nat-pmp-mapport.nse
Normal file
114
scripts/nat-pmp-mapport.nse
Normal file
@@ -0,0 +1,114 @@
|
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description = [[
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Maps a WAN port on the router to a local port on the client.
|
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The script uses the NAT Port Mapping Protocol (NAT-PMP) to do so and supports the following operations:
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o map - maps a new external port on the router to an internal port of the requesting IP
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o unmap - unmaps a previously mapped port for the requesting IP
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o unmapall - unmaps all previously mapped ports for the requesting IP
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]]
|
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---
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-- @usage
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-- nmap -sU -p 5351 <ip> --script nat-pmp-mapport --script-args='op=map,pubport=8080,privport=8080,protocol=tcp'
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-- nmap -sU -p 5351 <ip> --script nat-pmp-mapport --script-args='op=unmap,pubport=8080,privport=8080,protocol=tcp'
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-- nmap -sU -p 5351 <ip> --script nat-pmp-mapport --script-args='op=unmapall,protocol=tcp'
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--
|
||||
-- @output
|
||||
-- PORT STATE SERVICE
|
||||
-- 5351/udp open nat-pmp
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-- | nat-pmp-mapport:
|
||||
-- |_ Successfully mapped tcp 1.2.3.4:8080 -> 192.168.0.100:80
|
||||
--
|
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-- @args nat-pmp-mapport.op operation, can be either map, unmap or unmap all
|
||||
-- o map allows you to map an external port to an internal port of the calling IP
|
||||
-- o unmap removes the external port mapping for the specified ports and protocol
|
||||
-- o unmapall removes all mappings for the specified protocol and calling IP
|
||||
--
|
||||
-- @args nat-pmp-mapport.pubport the external port to map on the router. The
|
||||
-- specified port is treated as the requested port. If the port is available
|
||||
-- it will be allocated to the caller, otherwise the router will simply
|
||||
-- choose another port, create the mapping and return the resulting port.
|
||||
--
|
||||
-- @args nat-pmp-mapport.privport the internal port of the calling IP to map requests
|
||||
-- to. This port will recieve all requests coming in to the external port on the
|
||||
-- router.
|
||||
--
|
||||
-- @args nat-pmp-mapport.protocol the protocol to map, can be either tcp or udp.
|
||||
--
|
||||
-- @args nat-pmp-mapport.lifetime the lifetime of the mapping in seconds (default: 3600)
|
||||
--
|
||||
|
||||
author = "Patrik Karlsson"
|
||||
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
|
||||
categories = {"discovery", "safe"}
|
||||
|
||||
require 'shortport'
|
||||
require 'natpmp'
|
||||
require 'tab'
|
||||
|
||||
portrule = shortport.port_or_service(5351, "nat-pmp", {"udp"} )
|
||||
|
||||
local arg_pubport = stdnse.get_script_args(SCRIPT_NAME .. ".pubport")
|
||||
local arg_privport= stdnse.get_script_args(SCRIPT_NAME .. ".privport")
|
||||
local arg_protocol= stdnse.get_script_args(SCRIPT_NAME .. ".protocol")
|
||||
local arg_lifetime= stdnse.get_script_args(SCRIPT_NAME .. ".lifetime") or 3600
|
||||
local arg_op = stdnse.get_script_args(SCRIPT_NAME .. ".op") or "map"
|
||||
|
||||
local function fail(str) return "\n ERROR: " .. str end
|
||||
|
||||
action = function(host, port)
|
||||
|
||||
local op = arg_op:lower()
|
||||
|
||||
if ( "map" ~= op and "unmap" ~= op and "unmapall" ~= op ) then
|
||||
return fail("Operation must be either \"map\", \"unmap\" or \"unmapall\"")
|
||||
end
|
||||
|
||||
if ( ("map" == op or "unmap" == op ) and
|
||||
( not(arg_pubport) or not(arg_privport) or not(arg_protocol) ) ) then
|
||||
return fail("The arguments pubport, privport and protocol are required")
|
||||
elseif ( "unmapall" == op and not(arg_protocol) ) then
|
||||
return fail("The argument protocol is required")
|
||||
end
|
||||
|
||||
local helper = natpmp.Helper:new(host, port)
|
||||
|
||||
if ( "unmap" == op or "unmapall" == op ) then
|
||||
arg_lifetime = 0
|
||||
end
|
||||
if ( "unmapall" == op ) then
|
||||
arg_pubport, arg_privport = 0, 0
|
||||
end
|
||||
|
||||
local status, response = helper:getWANIP()
|
||||
if ( not(status) ) then
|
||||
return fail("Failed to retrieve WAN IP")
|
||||
end
|
||||
|
||||
local wan_ip = response.ip
|
||||
local lan_ip = (nmap.get_interface_info(host.interface)).address
|
||||
|
||||
local status, response = helper:mapPort(arg_pubport, arg_privport, arg_protocol, arg_lifetime)
|
||||
|
||||
if ( not(status) ) then
|
||||
return fail(response)
|
||||
end
|
||||
|
||||
local output
|
||||
if ( "unmap" == op ) then
|
||||
output = ("Successfully unmapped %s %s:%d -> %s:%d"):format(
|
||||
arg_protocol, wan_ip, response.pubport, lan_ip, response.privport )
|
||||
elseif ( "unmapall" == op ) then
|
||||
output = ("Sucessfully unmapped all %s NAT mappings for %s"):format(arg_protocol, lan_ip)
|
||||
else
|
||||
output = ("Successfully mapped %s %s:%d -> %s:%d"):format(
|
||||
arg_protocol, wan_ip, response.pubport, lan_ip, response.privport )
|
||||
|
||||
if ( tonumber(arg_pubport) ~= tonumber(response.pubport) ) then
|
||||
output = { output }
|
||||
table.insert(output, "WARNING: Requested public port could not be allocated")
|
||||
end
|
||||
end
|
||||
|
||||
return stdnse.format_output(true, output)
|
||||
|
||||
end
|
||||
@@ -184,6 +184,7 @@ Entry { filename = "mysql-info.nse", categories = { "default", "discovery", "saf
|
||||
Entry { filename = "mysql-users.nse", categories = { "auth", "intrusive", } }
|
||||
Entry { filename = "mysql-variables.nse", categories = { "discovery", "intrusive", } }
|
||||
Entry { filename = "nat-pmp-info.nse", categories = { "default", "discovery", "safe", } }
|
||||
Entry { filename = "nat-pmp-mapport.nse", categories = { "discovery", "safe", } }
|
||||
Entry { filename = "nbstat.nse", categories = { "default", "discovery", "safe", } }
|
||||
Entry { filename = "ncp-enum-users.nse", categories = { "auth", "safe", } }
|
||||
Entry { filename = "ncp-serverinfo.nse", categories = { "default", "discovery", "safe", } }
|
||||
|
||||
Reference in New Issue
Block a user