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local comm = require "comm"
local math = require "math"
local shortport = require "shortport"
local string = require "string"
local stringaux = require "stringaux"
local table = require "table"
description = [[
Reads hard disk information (such as brand, model, and sometimes temperature) from a listening hddtemp service.
]]
---
-- @usage
-- nmap -p 7634 -sV -sC <target>
--
-- @output
-- 7634/tcp open hddtemp
-- | hddtemp-info:
-- |_ /dev/sda: WDC WD2500JS-60MHB1: 38 C
--
-- @xmloutput
-- <table>
-- <elem key="label">WDC WD2500JS-60MHB1</elem>
-- <elem key="unit">C</elem>
-- <elem key="device">/dev/sda</elem>
-- <elem key="temperature">38</elem>
-- </table>
-- <table>
-- <elem key="label">WDC WD3200BPVT-75JJ5T0</elem>
-- <elem key="unit">C</elem>
-- <elem key="device">/dev/sdb</elem>
-- <elem key="temperature">41</elem>
-- </table>
author = "Toni Ruottu"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"default", "discovery", "safe"}
portrule = shortport.port_or_service (7634, "hddtemp", {"tcp"})
local fmt_meta = {
__tostring = function (t)
return string.format("%s: %s: %s %s", t.device, t.label, t.temperature, t.unit)
end
}
action = function( host, port )
-- 5000B should be enough for 100 disks
local status, data = comm.get_banner(host, port, {bytes=5000})
if not status then
return
end
local separator = string.sub(data, 1, 1)
local fields = stringaux.strsplit(separator, data)
local info = {}
local disks = math.floor((# fields) / 5)
for i = 0, (disks - 1) do
local start = i * 5
local diskinfo = {
device = fields[start + 2],
label = fields[start + 3],
temperature = fields[start + 4],
unit = fields[start + 5],
}
setmetatable(diskinfo, fmt_meta)
table.insert(info, diskinfo)
end
return info
end
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