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local dns = require "dns"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Retrieves configuration information from a Lexmark S300-S400 printer.
The Lexmark S302 responds to the NTPRequest version probe with its
configuration. The response decodes as mDNS, so the request was modified
to resemble an mDNS request as close as possible. However, the port
(9100/udp) is listed as something completely different (HBN3) in
documentation from Lexmark. See
http://www.lexmark.com/vgn/images/portal/Security%20Features%20of%20Lexmark%20MFPs%20v1_1.pdf.
]]
---
--@usage
-- nmap -sU -p 9100 --script=lexmark-config <target>
--@output
-- Interesting ports on 192.168.1.111:
-- PORT STATE SERVICE REASON
-- 9100/udp unknown unknown unknown-response
-- | lexmark-config:
-- | IPADDRESS: 10.46.200.170
-- | IPNETMASK: 255.255.255.0
-- | IPGATEWAY: 10.46.200.2
-- | IPNAME: "ET0020006E4A37"
-- | MACLAA: "000000000000"
-- | MACUAA: "0004007652EC"
-- | MDNSNAME: "S300-S400 Series (32)"
-- | ADAPTERTYPE: 2
-- | IPADDRSOURCE: 1
-- | ADAPTERCAP: "148FC000"
-- | OEMBYTE: 1 0
-- | PASSWORDSET: FALSE
-- | NEWPASSWORDTYPE: TRUE
-- | 1284STRID: 1 "S300-S400 Series"
-- | CPDATTACHED: 1 1
-- | SECUREMODE: FALSE
-- | PRINTERVIDPID: 1 "043d0180"
-- |_ product=(S300-S400: Series)
-- Version 0.3
-- Created 01/03/2010 - v0.1 - created by Patrik Karlsson
-- Revised 01/13/2010 - v0.2 - revised script to use dns library
-- Revised 01/23/2010 - v0.3 - revised script to use the proper ports
author = "Patrik Karlsson"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
portrule = shortport.portnumber({5353,9100}, "udp")
action = function( host, port )
local result = {}
local status, response = dns.query( "", { port = port.number, host = host.ip, dtype="PTR", retPkt=true} )
if ( not(status) ) then
return
end
local status, txtrecords = dns.findNiceAnswer( dns.types.TXT, response, true )
if ( not(status) ) then
return
end
for _, v in ipairs( txtrecords ) do
if ( v:len() > 0 ) then
if v:find("PRINTERVIDPID") then
port.version.name="hbn3"
end
if not v:find("product=") then
v = v:gsub(" ", ": ", 1)
end
table.insert( result, v )
end
end
-- set port to open
nmap.set_port_state(host, port, "open")
nmap.set_port_version(host, port)
return stdnse.format_output(true, result)
end
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