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f43878f0f5
* Structured output * Fix adding new targets: was adding the multicast address, not the discovered unicast address. * Extract service name and host name from responses * broadcast-dns-service-discovery now lists services under each unicast address instead of under the single multicast/broadcast address.
56 lines
1.4 KiB
Lua
56 lines
1.4 KiB
Lua
local dnssd = require "dnssd"
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local stdnse = require "stdnse"
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local oops = require "oops"
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description=[[
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Attempts to discover hosts' services using the DNS Service Discovery protocol. It sends a multicast DNS-SD query and collects all the responses.
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The script first sends a query for _services._dns-sd._udp.local to get a
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list of services. It then sends a followup query for each one to try to
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get more information.
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]]
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---
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-- @usage
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-- nmap --script=broadcast-dns-service-discovery
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--
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-- @output
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-- | broadcast-dns-service-discovery:
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-- | 1.2.3.1
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-- | _ssh._tcp.local
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-- | _http._tcp.local
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-- | 1.2.3.50
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-- | 22/tcp ssh
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-- | org.freedesktop.Avahi.cookie=2292090182
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-- | Address=1.2.3.50
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-- | 80/tcp http
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-- | path=/admin
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-- | org.freedesktop.Avahi.cookie=2292090182
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-- | path=/
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-- | org.freedesktop.Avahi.cookie=2292090182
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-- | path=/pim
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-- | org.freedesktop.Avahi.cookie=2292090182
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-- | Address=1.2.3.50
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-- | 1.2.3.116
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-- | 80/tcp http
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-- |_ Address=1.2.3.116
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-- Version 0.1
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-- Created 10/29/2010 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
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author = "Patrik Karlsson"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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categories = {"broadcast", "safe"}
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prerule = function() return true end
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action = function()
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local helper = dnssd.Helper:new( )
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helper:setMulticast(true)
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oops.output(helper:queryServices())
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end
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