mirror of
https://github.com/ntop/ntopng.git
synced 2026-04-30 16:09:32 +00:00
91 lines
2.3 KiB
Lua
91 lines
2.3 KiB
Lua
--
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-- (C) 2017-18 - ntop.org
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--
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--
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-- https://www.internetsociety.org/resources/doc/2016/overview-of-the-digital-object-architecture-doa/
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-- https://tools.ietf.org/html/draft-durand-doa-over-dns-00
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--
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-- Update DNS with command
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-- nsupdate -k Kntop.org.+157+16148.private -v /tmp/doa.update
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--
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local base64 = require "base64"
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local doa = {}
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local function initDOA(path)
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return(io.open(path, "w"))
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end
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doa.init = initDOA
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local function printDOAHeader(fd)
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fd:write("server localhost\n")
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fd:write("zone ntop.org.\n")
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end
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doa.header = printDOAHeader
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local function printDOAFooter(fd)
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fd:write("send\n")
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end
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doa.footer = printDOAFooter
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local function device2DOA(fd, dev)
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-- update add FE5400577C58.ntop.org. 3600 IN DOA 35632 1 1 "text/plain" c2FtcGxlIERPQSB0ZXh0IHJlY29yZA==
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local mac = dev.mac:gsub(":", "")
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local base_string = "update add ".. mac ..".ntop.org 3600 IN DOA 35632 "
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local v
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-- Delete record first
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fd:write("update delete ".. mac ..".ntop.org. DOA\n")
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-- 101 - Operating System
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if(dev.operatingSystem ~= nil) then
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fd:write(base_string.."101 1 \"text/plain\" "..base64.enc(dev.operatingSystem).."\n")
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end
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-- 102 - Device Type
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if(dev.device_type ~= nil) then
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fd:write(base_string.."102 1 \"text/plain\" "..base64.enc(dev.device_type).."\n")
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end
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-- 103 - Device (Symbolic) Name
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if(dev.sym ~= nil) then
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v = dev.sym
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elseif(dev.symIP ~= nil) then
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v = dev.symIP
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else
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v = nil
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end
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if(v ~= nil) then
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fd:write(base_string.."103 1 \"text/plain\" "..base64.enc(v).."\n")
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end
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-- 104 - Provided services (SSDP)
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if(dev.information ~= nil) then
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v = table.concat(dev.information, ",")
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if(v ~= "") then
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fd:write(base_string.."104 1 \"text/plain\" "..base64.enc(table.concat(dev.information, ",")).."\n")
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end
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end
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-- 105 - Description
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if((dev.device_info ~= nil) and (dev.device_info ~= "")) then
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-- io.write("=========> [device_info] "..dev.device_info.."\n")
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fd:write(base_string.."105 2 \"text/plain\" "..base64.enc(dev.device_info).."\n")
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end
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-- 106 - (SSDP) URL
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if(dev.url ~= nil) then
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fd:write(base_string.."106 2 \"text/plain\" "..base64.enc(dev.url).."\n")
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end
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end
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doa.device2DOA = device2DOA
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local function termDOA(fd)
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fd:close()
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end
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doa.term = termDOA
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return doa
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