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39 lines
1003 B
Lua
39 lines
1003 B
Lua
description = [[
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Sends a binding request to the server and attempts to extract version
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information from the response, if the server attribute is present.
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]]
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---
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-- @output
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-- PORT STATE SERVICE VERSION
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-- 3478/udp open stun Vovida.org 0.96
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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 = {"version"}
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require 'shortport'
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require 'stun'
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portrule = shortport.port_or_service(3478, "stun", "udp")
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local function fail(err) return ("\n ERROR: %s"):format(err or "") end
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action = function(host, port)
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local helper = stun.Helper:new(host, port)
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local status = helper:connect()
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if ( not(status) ) then
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return fail("Failed to connect to server")
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end
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local status, result = helper:getVersion()
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if ( not(status) ) then
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return fail("Failed to retrieve external IP")
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end
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port.version.name = "stun"
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port.version.product = result
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nmap.set_port_state(host, port, "open")
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nmap.set_port_version(host, port, "hardmatched")
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end |