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ntopng/scripts/lua/modules/discover_utils.lua
Alfredo Cardigliano a22d2a94f5 Rework periodic discovery code
2024-01-03 17:32:16 +01:00

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--
-- (C) 2017-22 - ntop.org
--
local json = require "dkjson"
local page_utils = require "page_utils"
require "xmlSimple"
local discover = {}
discover.debug = false
discover.progress_string = "discovery.progess"
discover.osinfo = {
[0] = {"Unknown", ''},
[1] = {"Linux", '<i class=\'fab fa-linux fa-lg\'></i>'},
[2] = {"Windows", '<i class=\'fab fa-windows fa-lg\'></i>'},
[3] = {"MacOS", '<i class=\'fab fa-apple fa-lg\'></i>'},
[4] = {"iOS", '<i class=\'fab fa-apple fa-lg\'></i>'},
[5] = {"Android", '<i class=\'fab fa-android fa-lg\'></i>'},
[6] = {"LaserJET", 'LasetJET'},
[7] = {"AppleAirport", 'Apple Airport'}
-- NOTE: keep in sync with OperatingSystem in ntop_typedefs.h
}
-- #################################
function discover.getOsName(id)
local info = discover.osinfo[tonumber(id)]
if (info) then
return (info[1])
end
return ("")
end
-- #################################
function discover.getOsIcon(id)
local info = discover.osinfo[tonumber(id)]
if (info) then
return (info[2] .. " ")
end
return ("")
end
-- #################################
function discover.getOsAndIcon(id)
local name = discover.getOsName(id)
if (isEmptyString(name)) then
return (id)
else
return (discover.getOsIcon(id) .. name)
end
end
-- #################################
discover.apple_osx_versions = {
['4'] = 'Mac OS X 10.0 (Cheetah)',
['5'] = 'Mac OS X 10.1 (Puma)',
['6'] = 'Mac OS X 10.2 (Jaguar)',
['7'] = 'Mac OS X 10.3 (Panther)',
['8'] = 'Mac OS X 10.4 (Tiger)',
['9'] = 'Mac OS X 10.5 (Leopard)',
['10'] = 'Mac OS X 10.6 (Snow Leopard)',
['11'] = 'Mac OS X 10.7 (Lion)',
['12'] = 'OS X 10.8 (Mountain Lion)',
['13'] = 'OS X 10.9 (Mavericks)',
['14'] = 'OS X 10.10 (Yosemite)',
['15'] = 'OS X 10.11 (El Capitan)',
['16'] = 'OS X 10.12 (Sierra)',
['17'] = 'OS X 10.13 (High Sierra)',
['18'] = 'macOS 10.14 (Mojave)',
['19'] = 'macOS 10.15 (Catalina)'
}
discover.apple_products = {
['Macmini5,3'] = 'Mac mini "Core i7" 2.0 (Mid-2011/Server)',
['Macmini5,2'] = 'Mac mini "Core i7" 2.7 (Mid-2011)',
['Macmini5,1'] = 'Mac mini "Core i5" 2.3 (Mid-2011)',
['MacPro4,1'] = 'Mac Pro "Eight Core" 2.93 (2009/Nehalem)',
['iMac16,2'] = 'iMac "Core i7" 3.3 21.5-Inch (4K, Late 2015)',
['iMac16,1'] = 'iMac "Core i5" 1.6 21.5-Inch (Late 2015)',
['iMac5,1'] = 'iMac "Core 2 Duo" 2.33 20-Inch',
['MacBookPro7,1'] = 'MacBook Pro "Core 2 Duo" 2.66 13" Mid-2010',
['MacPro2,1'] = 'Mac Pro "Eight Core" 3.0 (2,1)',
['MacBook10,1'] = 'MacBook "Core i7" 1.4 12" (Mid-2017-18)',
['Macmini1,1'] = 'Mac mini "Core Duo" 1.83',
['iMac12,2'] = 'iMac "Core i7" 3.4 27-Inch (Mid-2011)',
['iMac6,1'] = 'iMac "Core 2 Duo" 2.33 24-Inch',
['MacBookPro5,1'] = 'MacBook Pro "Core 2 Duo" 2.93 15" (Unibody)',
['MacBookPro11,5'] = 'MacBook Pro "Core i7" 2.8 15" Mid-2015 (DG)',
['MacBookPro11,4'] = 'MacBook Pro "Core i7" 2.8 15" Mid-2015 (IG)',
['MacBookPro11,3'] = 'MacBook Pro "Core i7" 2.8 15" Mid-2014 (DG)',
['MacBookPro11,2'] = 'MacBook Pro "Core i7" 2.8 15" Mid-2014 (IG)',
['MacBookPro11,1'] = 'MacBook Pro "Core i7" 3.0 13" Mid-2014',
['MacBookPro10,2'] = 'MacBook Pro "Core i7" 3.0 13" Early 2013',
['MacBookPro10,1'] = 'MacBook Pro "Core i7" 2.8 15" Early 2013',
['MacBookPro5,5'] = 'MacBook Pro "Core 2 Duo" 2.53 13" (SD/FW)',
['MacBookAir7,1'] = 'MacBook Air "Core i7" 2.2 11" (Early 2015)',
['MacBookAir7,2'] = 'MacBook Air "Core i7" 2.2 13" (Early 2015)',
['iMac17,1'] = 'iMac "Core i7" 4.0 27-Inch (5K, Late 2015)',
['MacBookPro8,1'] = 'MacBook Pro "Core i7" 2.8 13" Late 2011',
['MacBookPro8,2'] = 'MacBook Pro "Core i7" 2.5 15" Late 2011',
['MacBookPro8,3'] = 'MacBook Pro "Core i7" 2.5 17" Late 2011',
['MacBook6,1'] = 'MacBook "Core 2 Duo" 2.26 13" (Uni/Late 09)',
['MacBookPro4,1'] = 'MacBook Pro "Core 2 Duo" 2.6 17" (08)',
['Macmini4,1'] = 'Mac mini "Core 2 Duo" 2.66 (Server)',
['PowerMac10,2'] = 'Mac mini G4/1.5',
['PowerMac10,1'] = 'Mac mini G4/1.42',
['iMac13,2'] = 'iMac "Core i7" 3.4 27-Inch (Late 2012)',
['iMac13,1'] = 'iMac "Core i3" 3.3 21.5-Inch (Early 2013)',
['iMac9,1'] = 'iMac "Core 2 Duo" 2.26 20-Inch (Mid-2009)',
['Macmini3,1'] = 'Mac mini "Core 2 Duo" 2.53 (Server)',
['iMac5,2'] = 'iMac "Core 2 Duo" 1.83 17-Inch (IG)',
['MacBook2,1'] = 'MacBook "Core 2 Duo" 2.16 13" (Black)',
['MacBook1,1'] = 'MacBook "Core Duo" 2.0 13" (Black)',
['iMac14,4'] = 'iMac "Core i5" 1.4 21.5-Inch (Mid-2014)',
['iMac14,1'] = 'iMac "Core i5" 2.7 21.5-Inch (Late 2013)',
['iMac14,3'] = 'iMac "Core i7" 3.1 21.5-Inch (Late 2013)',
['iMac14,2'] = 'iMac "Core i7" 3.5 27-Inch (Late 2013)',
['MacBookPro2,2'] = 'MacBook Pro "Core 2 Duo" 2.33 15"',
['MacBookAir3,2'] = 'MacBook Air "Core 2 Duo" 2.13 13" (Late 2010)',
['MacBookPro13,1'] = 'MacBook Pro "Core i7" 2.4 13" Late 2016',
['MacBookPro13,3'] = 'MacBook Pro "Core i7" 2.9 15" Touch/Late 2016',
['MacBookPro13,2'] = 'MacBook Pro "Core i7" 3.3 13" Touch/Late 2016',
['MacBook9,1'] = 'MacBook "Core m7" 1.3 12" (Early 2016)',
['MacBookAir6,1'] = 'MacBook Air "Core i7" 1.7 11" (Early 2014)',
['MacBookAir6,2'] = 'MacBook Air "Core i7" 1.7 13" (Early 2014)',
['MacBookPro9,1'] = 'MacBook Pro "Core i7" 2.7 15" Mid-2012',
['MacBookPro9,2'] = 'MacBook Pro "Core i7" 2.9 13" Mid-2012',
['MacBook3,1'] = 'MacBook "Core 2 Duo" 2.2 13" (Black-SR)',
['MacPro6,1'] = 'Mac Pro "Twelve Core" 2.7 (Late 2013)',
['iMac10,1'] = 'iMac "Core 2 Duo" 3.33 27-Inch (Late 2009)',
['MacBookPro1,1'] = 'MacBook Pro "Core Duo" 2.16 15"',
['MacBookPro5,3'] = 'MacBook Pro "Core 2 Duo" 3.06 15" (SD)',
['MacBookPro5,2'] = 'MacBook Pro "Core 2 Duo" 3.06 17" Mid-2009',
['iMac8,1'] = 'iMac "Core 2 Duo" 3.06 24-Inch (Early 2008)',
['MacBookPro5,4'] = 'MacBook Pro "Core 2 Duo" 2.53 15" (SD)',
['Macmini2,1'] = 'Mac mini "Core 2 Duo" 2.0',
['MacBookAir3,1'] = 'MacBook Air "Core 2 Duo" 1.6 11" (Late 2010)',
['Macmini6,1'] = 'Mac mini "Core i5" 2.5 (Late 2012)',
['MacBookPro1,2'] = 'MacBook Pro "Core Duo" 2.16 17"',
['iMac4,1'] = 'iMac "Core Duo" 2.0 20-Inch',
['iMac4,2'] = 'iMac "Core Duo" 1.83 17-Inch (IG)',
['Macmini7,1'] = 'Mac mini "Core i7" 3.0 (Late 2014)',
['MacBookPro2,1'] = 'MacBook Pro "Core 2 Duo" 2.33 17"',
['MacBook5,1'] = 'MacBook "Core 2 Duo" 2.4 13" (Unibody)',
['MacBook5,2'] = 'MacBook "Core 2 Duo" 2.13 13" (White-09)',
['MacBookPro14,2'] = 'MacBook Pro "Core i7" 3.5 13" Touch/Mid-2017-18',
['MacBookPro14,3'] = 'MacBook Pro "Core i7" 3.1 15" Touch/Mid-2017-18',
['MacPro1,1*'] = 'Mac Pro "Quad Core" 3.0 (Original)',
['MacBookPro14,1'] = 'MacBook Pro "Core i7" 2.5 13" Mid-2017-18',
['MacBookPro12,1'] = 'MacBook Pro "Core i7" 3.1 13" Early 2015',
['MacBook8,1'] = 'MacBook "Core M" 1.3 12" (Early 2015)',
['iMac15,1'] = 'iMac "Core i5" 3.3 27-Inch (5K, Mid-2015)',
['MacBookAir1,1'] = 'MacBook Air "Core 2 Duo" 1.8 13" (Original)',
['MacBookAir2,1'] = 'MacBook Air "Core 2 Duo" 2.13 13" (Mid-09)',
['iMac7,1'] = 'iMac "Core 2 Extreme" 2.8 24-Inch (Al)',
['MacBookAir5,2'] = 'MacBook Air "Core i7" 2.0 13" (Mid-2012)',
['MacBook4,1'] = 'MacBook "Core 2 Duo" 2.4 13" (Black-08)',
['MacBookAir5,1'] = 'MacBook Air "Core i7" 2.0 11" (Mid-2012)',
['MacBookPro3,1'] = 'MacBook Pro "Core 2 Duo" 2.6 17" (SR)',
['iMac11,1'] = 'iMac "Core i7" 2.8 27-Inch (Late 2009)',
['iMac11,2'] = 'iMac "Core i5" 3.6 21.5-Inch (Mid-2010)',
['iMac11,3'] = 'iMac "Core i7" 2.93 27-Inch (Mid-2010)',
['MacBook7,1'] = 'MacBook "Core 2 Duo" 2.4 13" (Mid-2010)',
['Macmini6,2'] = 'Mac mini "Core i7" 2.6 (Late 2012/Server)',
['MacPro5,1'] = 'Mac Pro "Twelve Core" 3.06 (Server 2012)',
['MacBookPro6,2'] = 'MacBook Pro "Core i7" 2.8 15" Mid-2010',
['MacBookPro6,1'] = 'MacBook Pro "Core i7" 2.8 17" Mid-2010',
['iMac18,1'] = 'iMac "Core i5" 2.3 21.5-Inch (Mid-2017-18)',
['iMac18,3'] = 'iMac "Core i7" 4.2 27-Inch (5K, Mid-2017-18)',
['iMac18,2'] = 'iMac "Core i7" 3.6 21.5-Inch (4K, Mid-2017-18)',
['iMac12,1'] = 'iMac "Core i3" 3.1 21.5-Inch (Late 2011)',
['MacBookAir4,2'] = 'MacBook Air "Core i5" 1.6 13" (Edu Only)',
['MacBookAir4,1'] = 'MacBook Air "Core i7" 1.8 11" (Mid-2011)',
['MacPro3,1'] = 'Mac Pro "Eight Core" 3.2 (2008)'
}
discover.asset_icons = {
['unknown'] = '',
['printer'] = '<i class="fas fa-print fa-lg devtype-icon" aria-hidden="true"></i>', -- 1
['video'] = '<i class="fas fa-video fa-lg devtype-icon" aria-hidden="true"></i>', -- 2
['workstation'] = '<i class="fas fa-desktop fa-lg devtype-icon" aria-hidden="true"></i>', -- ... and so on
['laptop'] = '<i class="fas fa-laptop fa-lg devtype-icon" aria-hidden="true"></i>',
['tablet'] = '<i class="fas fa-tablet fa-lg devtype-icon" aria-hidden="true"></i>',
['phone'] = '<i class="fas fa-mobile fa-lg devtype-icon" aria-hidden="true"></i>',
['tv'] = '<i class="fas fa-tv fa-lg devtype-icon" aria-hidden="true"></i>',
['networking'] = '<i class="fas fa-arrows-alt fa-lg devtype-icon" aria-hidden="true"></i>',
['wifi'] = '<i class="fas fa-wifi fa-lg devtype-icon" aria-hidden="true"></i>',
['nas'] = '<i class="fas fa-database fa-lg devtype-icon" aria-hidden="true"></i>',
['multimedia'] = '<i class="fas fa-music fa-lg devtype-icon" aria-hidden="true"></i>',
['iot'] = '<i class="fas fa-thermometer fa-lg devtype-icon" aria-hidden="true"></i>'
-- IMPORTANT: please keep in sync asset_icons with id2label
}
discover.extra_asset_icons = {
['lightbulb'] = '<i class="fas fa-lightbulb fa-lg devtype-icon" aria-hidden="true"></i>',
['phone'] = '<i class="fas fa-phone fa-lg devtype-icon" aria-hidden="true"></i>',
['health'] = '<i class="fas fa-medkit fa-lg devtype-icon" aria-hidden="true"></i>'
}
local id2label = {
-- ID string_id label special_purpose_device
[0] = {'unknown', i18n("device_types.unknown")},
[1] = {'printer', i18n("device_types.printer"), true},
[2] = {'video', i18n("device_types.video"), true},
[3] = {'workstation', i18n("device_types.workstation")},
[4] = {'laptop', i18n("device_types.laptop")},
[5] = {'tablet', i18n("device_types.tablet")},
[6] = {'phone', i18n("device_types.phone")},
[7] = {'tv', i18n("device_types.tv"), true},
[8] = {'networking', i18n("device_types.networking"), true},
[9] = {'wifi', i18n("device_types.wifi"), true},
[10] = {'nas', i18n("device_types.nas"), true},
[11] = {'multimedia', i18n("device_types.multimedia"), true},
[12] = {'iot', i18n("device_types.iot"), true}
-- IMPORTANT: please keep in sync asset_icons with id2label
}
discover.ghost_icon = '<i class="fas fa-ghost fa-lg" aria-hidden="true"></i>'
discover.android_icon = '<i class="fab fa-android fa-lg" aria-hidden="true"></i>'
discover.apple_icon = '<i class="fab fa-apple fa-lg" aria-hidden="true"></i>'
discover.MAX_DISCOVERED_DEVICES = 8192
-- ################################################################################
local discover_progress_key = "ntop.discovery_progress"
function setDiscoveryProgress(progress)
-- io.write(progress.."\n")
ntop.setCache(discover_progress_key, progress, 60)
end
function discover.getDiscoveryProgress()
return (ntop.getCache(discover_progress_key) or "")
end
-- ################################################################################
local function device_label_sort_fn(a, b)
return asc_insensitive(a[2], b[2])
end
-- ################################################################################
function discover.sortedDeviceTypeLabels()
return pairsByValues(id2label, device_label_sort_fn)
end
-- ################################################################################
local function getCachedDiscoveryKey(interface_name)
return "ntopng.cache.ifid_" .. getInterfaceId(interface_name) .. ".device_discovery_status"
end
-- ################################################################################
local function getCachedDiscoveredDevicesKey(interface_name)
return "ntopng.cache.ifid_" .. getInterfaceId(interface_name) .. ".discovered_devices"
end
-- ################################################################################
function discover.getInterfaceNetworkDiscoveryEnabledKey(ifid)
return "ntopng.prefs.ifid_" .. ifid .. ".interface_network_discovery"
end
-- ################################################################################
function discover.interfaceNetworkDiscoveryEnabled(ifid)
-- must be discoverable and must have not been disabled by the interface preferences
return interface.isDiscoverableInterface() and
not (ntop.getPref(discover.getInterfaceNetworkDiscoveryEnabledKey(ifid)) == "false")
end
-- ################################################################################
local function getRequestNetworkDiscoveryKey(ifid)
return "ntopng.cache.ifid_" .. ifid .. ".network_discovery_requested"
end
-- ################################################################################
function discover.requestNetworkDiscovery(ifid)
ntop.setCache(getRequestNetworkDiscoveryKey(ifid), "true")
end
-- ################################################################################
function discover.clearNetworkDiscovery(ifid)
ntop.delCache(getRequestNetworkDiscoveryKey(ifid))
end
-- ################################################################################
function discover.networkDiscoveryRequested(ifid)
return ntop.getCache(getRequestNetworkDiscoveryKey(ifid)) == "true"
end
-- ################################################################################
function isPrinterMDNS(mdns)
if (mdns == nil) then
return false
end
if (discover.debug) then
tprint(mdns)
io.write(debug.traceback())
end
if ((mdns["_printer._tcp.local"] ~= nil) or (mdns["_scanner._tcp.local"] ~= nil) or
(mdns["_pdl-datastream._tcp.local"] ~= nil)) then
return true
end
return false
end
-- ################################################################################
function isNASMDNS(mdns)
if (mdns == nil) then
return false
end
if ((mdns["_edcp._udp.local"] ~= nil) or (mdns["_afpovertcp._tcp.local"] ~= nil) or (mdns["_smb._tcp.local"] ~= nil)) then
if (mdns["_companion-link._tcp.local"] == nil) then
return true
end
end
return false
end
-- ################################################################################
function isGHomeMDNS(mdns)
if (mdns == nil) then
return false
end
if (discover.debug) then
tprint(mdns)
io.write(debug.traceback())
end
if ((mdns["_googlecast._tcp.local"] ~= nil) or (mdns["_googlezone._tcp.local"] ~= nil)) then
return true
end
return false
end
-- ################################################################################
function discover.printDeviceTypeSelectorOptions(device_type, skip_unknown)
device_type = tonumber(device_type)
for typeid, info in discover.sortedDeviceTypeLabels() do
local devtype = info[1]
local label = info[2]
if not skip_unknown or devtype ~= "unknown" then
print("<option value=\"" .. typeid .. "\"")
if (typeid == device_type) then
print(" selected")
end
print(">" .. label .. "</option>")
end
end
end
-- ################################################################################
function discover.printDeviceTypeSelector(device_type, field_name)
print [[<div class="form-group mb-3"><select name="]]
print(field_name)
print [[" class="form-select">\
<option value="0"></option>]]
discover.printDeviceTypeSelectorOptions(device_type, true)
print [[</select></div>]]
end
-- ################################################################################
function discover.devtype2icon(devtype)
local label = id2label[tonumber(devtype) or 0]
if (label == nil) then
label = 'unknown'
else
label = label[1]
end
return (discover.asset_icons[label])
end
-- ################################################################################
function discover.isValidDevtype(devtype)
for k, v in pairs(id2label) do
if (v[1] == devtype) then
return (true)
end
end
return (false)
end
-- ################################################################################
function discover.devtype2id(devtype)
for k, v in pairs(id2label) do
if (v[1] == devtype) then
return k
end
end
return (0) -- unknown
end
-- ################################################################################
function discover.id2devtype(id)
for k, v in pairs(id2label) do
if (k == id) then
return v[1]
end
end
return ("") -- unknown
end
-- ################################################################################
function discover.devtype2string(devtype)
devtype = tonumber(devtype)
for k, v in pairs(id2label) do
if (k == devtype) then
return v[2]
end
end
return ("") -- unknown
end
-- ################################################################################
function discover.isSpecialPurposeDevice(id)
local v = id2label[id]
if (v) then
return (v[3] or false)
end
return (false)
end
-- ################################################################################
function discover.getGeneralPurposeDevicesList()
local rv = {}
for k, v in pairsByField(id2label, 2, asc) do
if not v[3] then
rv[#rv + 1] = v[2]
end
end
return rv
end
-- ################################################################################
function discover.getSpecialPurposeDevicesList()
local rv = {}
for k, v in pairsByField(id2label, 2, asc) do
if v[3] then
rv[#rv + 1] = v[2]
end
end
return rv
end
-- ################################################################################
local function getbaseURL(url)
local name = url:match("([^/]+)$")
if ((name == "") or (name == nil)) then
return (url)
else
return (string.sub(url, 1, string.len(url) - string.len(name) - 1))
end
end
-- ################################################################################
local function probeSSH(ip)
local ssh_rsp = ntop.tcpProbe(ip, 22, 1)
if (ssh_rsp ~= nil) then
local _ssh_rsp = string.gsub(ssh_rsp, "\n", "")
local elems
local osvers = nil
local use_last = false
-- tprint(_ssh_rsp)
elems = string.split(_ssh_rsp, ' ')
if (elems == nil) then
osvers = _ssh_rsp
use_last = true
else
osvers = elems[2]
if (osvers == nil) then
osvers = elems[1]
end
end
-- tprint(osvers)
if (osvers ~= nil) then
local _osvers = string.split(osvers, "-")
if (_osvers ~= nil) then
local n
if (use_last) then
n = #_osvers
else
n = 1
end
osvers = _osvers[n]
-- tprint(_osvers)
return (trimSpace(osvers))
end
end
end
return (trimSpace(ssh_rsp))
end
local function appendSSHOS(mac, ip)
local r = probeSSH(ip)
if ((r ~= nil) and (r ~= "")) then
if (string.contains(r, "Debian") or string.contains(r, "Raspbian") or string.contains(r, "dropbear") or
string.contains(r, "Ubuntu")) then
interface.setHostOperatingSystem(ip, 1) -- 1 = Linux
elseif (string.contains(r, "MS")) then
interface.setHostOperatingSystem(ip, 2) -- 2 = windows
end
return (" (" .. r .. ")")
else
return ("")
end
end
-- ################################################################################
local function findDevice(ip, mac, manufacturer, _mdns, ssdp_str, ssdp_entries, names, snmpName, snmpDescr, osx, symName)
local mdns = {}
local ssdp = {}
local str
local friendlyName = ""
if (snmpName ~= nil) then
ntop.setHashCache("ntopng.prefs.snmp_devices", ip, ntop.getPref("ntopng.prefs.default_snmp_community"))
end
if ((ssdp_entries ~= nil) and (ssdp_entries.friendlyName ~= nil)) then
friendlyName = ssdp_entries["friendlyName"]
end
if ((names == nil) or (names[ip] == nil)) then
hostname = ""
else
hostname = string.lower(names[ip])
end
if (manufacturer == nil) then
manufacturer = ""
else
manufacturer = string.lower(manufacturer)
end
if (symName == nil) then
symName = ""
else
symName = string.lower(symName)
end
if (_mdns ~= nil) then
if (discover.debug) then
io.write(mac .. " /" .. manufacturer .. " / " .. _mdns .. "\n")
end
local mdns_items = string.split(_mdns, ";")
if (mdns_items == nil) then
mdns[_mdns] = 1
else
for _, v in pairs(mdns_items) do
mdns[v] = 1
end
end
end
if (ssdp_str ~= nil) then
if (discover.debug) then
io.write(mac .. " /" .. manufacturer .. " / " .. ssdp_str .. "\n")
end
local ssdp_items = string.split(ssdp_str, ";")
if (ssdp_items == nil) then
ssdp[ssdp_str] = 1
else
for _, v in pairs(ssdp_items) do
ssdp[v] = 1
end
end
end
if (osx ~= nil) then
-- model=iMac11,3;osxvers=16
local elems = string.split(osx, ';')
if ((elems == nil) and string.contains(osx, "model=")) then
elems = {}
table.insert(elems, osx)
end
if (elems ~= nil) then
local model = string.split(elems[1], '=')
local osxvers = nil
if (discover.apple_products[model[2]] ~= nil) then
model = discover.apple_products[model[2]]
if (model == nil) then
model = ""
end
else
model = model[2]
end
if (elems[2] ~= nil) then
local osxvers = string.split(elems[2], '=')
if (discover.apple_osx_versions[osxvers[2]] ~= nil) then
osxvers = discover.apple_osx_versions[osxvers[2]]
if (osxvers == nil) then
osxvers = ""
end
else
osxvers = osxvers[2]
end
end
osx = "<br>" .. model
if (osxvers ~= nil) then
osx = osx .. "<br>" .. osxvers
end
end
end
if (mdns["_ssh._tcp.local"] ~= nil) then
local icon = 'workstation'
local ret
if (osx ~= nil) then
if (string.contains(osx, "MacBook")) then
icon = 'laptop'
end
end
ret = '</i>' .. discover.asset_icons[icon] .. ' ' .. discover.apple_icon
if (osx ~= nil) then
ret = ret .. osx
end
interface.setHostOperatingSystem(ip, 3) -- 3 = OSX
if (discover.debug) then
io.write(debug.traceback())
end
return icon, ret, nil
elseif (mdns["_nvstream_dbd._tcp.local"] ~= nil) then
interface.setHostOperatingSystem(ip, 2) -- 2 = windows
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. ' (Windows)', nil
elseif (isGHomeMDNS(mdns)) then
-- Google Home
if (discover.debug) then
io.write(debug.traceback())
end
return 'multimedia', discover.asset_icons['multimedia'], nil
elseif (mdns["_workstation._tcp.local"] ~= nil) then
interface.setHostOperatingSystem(ip, 1) -- 1 = Linux
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. ' (Linux)', nil
else
interface.setHostOperatingSystem(ip, 0) -- Unknown
end
if (string.contains(friendlyName, "TV")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'tv', discover.asset_icons['tv'], nil
end
if ((ssdp["urn:upnp-org:serviceId:AVTransport"] ~= nil) or (ssdp["urn:upnp-org:serviceId:RenderingControl"] ~= nil) or
(ssdp["urn:upnp-org:serviceId:MusicServices"] ~= nil) or (mdns["_airplay._tcp.local"] ~= nil)) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'multimedia', discover.asset_icons['multimedia'], nil
end
if (ssdp["_airport._tcp.local"] ~= nil) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'wifi', discover.asset_icons['wifi'], nil
end
if (ssdp_entries and ssdp_entries["modelDescription"]) then
local descr = string.lower(ssdp_entries["modelDescription"])
if (string.contains(descr, "camera")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'video', discover.asset_icons['video'], nil
elseif (string.contains(descr, "router")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
end
end
if (discover.debug) then
io.write("[manufacturer] " .. manufacturer .. "\n")
end
if ((discover.debug) and (snmpName ~= nil)) then
io.write("[snmpName] " .. snmpName .. "\n")
end
if (string.contains(manufacturer, "oki electric") and (snmpName ~= nil)) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'] .. ' (' .. snmpName .. ')', snmpName
elseif (string.contains(manufacturer, "lexmark")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'], nil
elseif (string.contains(manufacturer, "hikvision")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'video', discover.asset_icons['video'], nil
elseif (string.contains(manufacturer, "synology")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'nas', discover.asset_icons['nas'], nil
elseif (string.contains(manufacturer, "sonos")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'multimedia', discover.asset_icons['multimedia'], nil
elseif (string.contains(manufacturer, "super micro")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, "quanta computer Inc")) then -- Often Dell DRACK
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, "fujitsu technology solutions")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, "asustek computer")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['laptop'], nil
elseif (string.contains(manufacturer, "raspberry")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, "juniper networks")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "brocade communications")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "cisco")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "routerboard") or string.contains(manufacturer, "netgear") --
or string.contains(manufacturer, "tp-link")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "3com")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "gigaset")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'phone', discover.extra_asset_icons['phone'], nil
elseif (string.contains(manufacturer, "palo alto networks")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, "liteon technology")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, "realtek")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(manufacturer, 'tp%-link')) then -- % is the escape char in Lua
if (discover.debug) then
io.write(debug.traceback())
end
return 'wifi', discover.asset_icons['wifi'], nil
elseif (string.contains(manufacturer, 'broadband')) then -- % is the escape char in Lua
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
elseif (string.contains(manufacturer, 'nest labs') or string.contains(manufacturer, 'netatmo')) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'iot', discover.asset_icons['iot'], nil
elseif (string.contains(manufacturer, "samsung electronics") or string.contains(manufacturer, "samsung electro") or
string.contains(manufacturer, "htc corporation") or string.contains(manufacturer, "huawei") or
(string.contains(manufacturer, "xiaomi communications") or string.starts(mac, "44:D1:96")) or
string.contains(manufacturer, "oneplus") or string.contains(manufacturer, "mobile communications") -- LG Electronics (Mobile Communications)
) then
if (discover.debug) then
io.write(debug.traceback())
end
interface.setHostOperatingSystem(ip, 5) -- 5 = Android
return 'phone', discover.asset_icons['phone'] .. ' ' .. discover.android_icon, nil
elseif ((string.contains(manufacturer, "hewlett packard") or string.contains(manufacturer, "hon hai")) and
(snmpName ~= nil)) then
local _snmpName = string.lower(snmpName)
local _snmpDescr
-- io.write("IP "..ip.." has descr (".. _snmpName ..")\n")
if (snmpDescr == nil) then
-- io.write("IP "..ip.." has empty descr (".. _snmpName ..")\n")
_snmpDescr = _snmpName
else
_snmpDescr = string.lower(snmpDescr)
end
if (string.contains(_snmpDescr, "jet") -- JetDirect, LaserJet, InkJet, DeskJet
or string.contains(_snmpDescr, "fax")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'] .. ' (' .. snmpName .. ')', snmpName
elseif (string.contains(_snmpDescr, "curve")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'] .. ' (' .. snmpName .. ')', snmpName
else
-- return 'unknown', snmpName, nil
end
elseif (string.contains(manufacturer, "vmware") or string.contains(manufacturer, "qemu") or
string.contains(manufacturer, "xen") or string.contains(manufacturer, "parallel")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. " (VM)", nil
elseif (string.contains(manufacturer, "xerox") or string.contains(manufacturer, "ricoh")) then
local l = ""
if (snmpName ~= nil) then
l = ' (' .. snmpName .. ')'
end
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'] .. l, snmpName
elseif (string.contains(manufacturer, "apple")) then
if (string.contains(hostname, "iphone") or string.contains(symName, "iphone")) then
interface.setHostOperatingSystem(ip, 4) -- 4 = iOS
if (discover.debug) then
io.write(debug.traceback())
end
return 'phone', discover.asset_icons['phone'] .. ' (' .. discover.apple_icon .. ' iPhone)', nil
elseif (string.contains(hostname, "ipad") or string.contains(symName, "ipad")) then
interface.setHostOperatingSystem(ip, 4) -- 4 = iOS
if (discover.debug) then
io.write(debug.traceback())
end
return 'tablet', discover.asset_icons['tablet'] .. ' (' .. discover.apple_icon .. 'iPad)', nil
elseif (string.contains(hostname, "ipod") or string.contains(symName, "ipod")) then
interface.setHostOperatingSystem(ip, 4) -- 4 = iOS
if (discover.debug) then
io.write(debug.traceback())
end
return 'phone', discover.asset_icons['phone'] .. ' (' .. discover.apple_icon .. 'iPod)', nil
else
local ret = '</i> ' .. discover.asset_icons['workstation'] .. ' ' .. discover.apple_icon
local what = 'workstation'
if (((snmpName ~= nil) and string.contains(snmpName, "capsul")) or string.contains(symName, "capsule") or
string.contains(hostname, "capsule") or isNASMDNS(mdns)) then
ret = '</i> ' .. discover.asset_icons['nas'], nil
what = 'nas'
elseif (string.contains(symName, "book") or string.contains(hostname, "book")) then
ret = '</i> ' .. discover.asset_icons['laptop'] .. ' ' .. discover.apple_icon, nil
what = 'laptop'
elseif (string.contains(symName, "airport")) then
ret = '</i> ' .. discover.asset_icons['wifi'] .. ' ' .. discover.apple_icon, nil
what = 'laptop'
end
if (snmpName ~= nil) then
ret = ret .. " [" .. snmpName .. "]"
end
interface.setHostOperatingSystem(ip, 3) -- 3 = OSX
if (discover.debug) then
io.write(debug.traceback())
end
return what, ret, snmpName
end
end
-- Amazon devices
if (string.contains(mac, "F0:4F:7C") and string.contains(hostname, "kindle-")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'tablet', discover.asset_icons['tablet'] .. ' (Kindle)', "Kindle"
elseif (string.contains(mac, "40:B4:CD") -- and string.contains(hostname, "amazon-")
) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'multimedia', discover.asset_icons['multimedia'], "Alexa" -- Alexa
end
-- io.write("==>"..mac .. " /" .. manufacturer .. " / ".. friendlyName.. "/"..discover.extra_asset_icons['lightbulb'] .."\n")
-- Philips Hue
if (string.contains(mac, "00:17:88") and string.contains(friendlyName, "hue")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'iot', discover.extra_asset_icons['lightbulb'], nil
end
-- Withings (Nokia Health)
if (string.contains(mac, "00:24:E4")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'iot', discover.extra_asset_icons['health'], nil
end
-- Logitech
if (string.contains(manufacturer, "logitech")) then
if (string.contains(friendlyName, "Harmony")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'iot', discover.asset_icons['iot'], nil
else
if (discover.debug) then
io.write(debug.traceback())
end
return 'multimedia', discover.asset_icons['multimedia'], nil
end
end
if (names["gateway.local"] == ip) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'], nil
end
if (string.starts(hostname, "desktop-") or string.starts(symName, "desktop-")) then
interface.setHostOperatingSystem(ip, 2) -- 2 = windows
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. ' (Windows)', nil
elseif (string.contains(hostname, "thinkpad") or string.contains(symName, "thinkpad")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'laptop', discover.asset_icons['laptop'], nil
elseif (string.contains(hostname, "android") or string.contains(symName, "android")) then
interface.setHostOperatingSystem(ip, 5) -- 5 = Android
if (discover.debug) then
io.write(debug.traceback())
end
return 'phone', discover.asset_icons['phone'] .. ' ' .. discover.android_icon, nil
elseif (string.contains(hostname, "%-NAS") or string.contains(symName, "%-NAS")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'nas', discover.asset_icons['nas'], nil
end
if (snmpName ~= nil) then
if (string.contains(snmpName, "router") or string.contains(snmpName, "switch")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'] .. ' (' .. snmpName .. ')', snmpName
elseif (string.contains(snmpName, "air")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'wifi', discover.asset_icons['wifi'] .. ' (' .. snmpName .. ')', snmpName
end
end
if (snmpName == nil) then
snmpName = ""
else
snmpName = ' (' .. snmpName .. ')'
end
if (string.contains(manufacturer, "ubiquiti")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'networking', discover.asset_icons['networking'] .. snmpName, nil
end
if (isPrinterMDNS(mdns)) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'] .. snmpName, nil
end
if (isNASMDNS(mdns)) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'nas', discover.asset_icons['nas'] .. snmpName, nil
end
if (discover.debug) then
tprint(ssdp)
tprint(mdns)
end
-- Let's try SSH
ssh_rsp = probeSSH(ip)
-- Last resort is HTTP
http_rsp = ntop.httpGet("http://" .. ip, nil, nil, 1)
if ((http_rsp ~= nil) and (http_rsp.HTTP_HEADER ~= nil)) then
local server = http_rsp.HTTP_HEADER["server"]
if (server ~= nil) then
if (discover.debug) then
io.write("[SSH] " .. server)
end
if (string.contains(server, "Ubuntu") or string.contains(server, "Debian") or
string.contains(server, "Linux")) then
interface.setHostOperatingSystem(ip, 1) -- 1 = Linux
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. ' (Linux)', nil
elseif (string.contains(server, "Apache")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(server, "GoAhead")) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), nil
elseif (string.contains(server, "Microsoft")) then
if (discover.debug) then
io.write(debug.traceback())
end
interface.setHostOperatingSystem(ip, 2) -- 2 = windows
return 'workstation', discover.asset_icons['workstation'] .. ' (Windows)', nil
elseif (string.contains(server, "Virata%-EmWeb") or string.contains(server, "HP%-ChaiSOE") -- Usually LaserJet
or string.contains(server, "EWS%-NIC5") -- Xerox
or string.contains(server, "RomPager") -- Xerox
or string.contains(server, "eHTTP") -- Aruba
or string.contains(server, "Web-Server") -- Ricoh
) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'printer', discover.asset_icons['printer'], nil
end
end
-- io.write(ip.."\n")
-- tprint(http_rsp.HTTP_HEADER)
end
if (ssh_rsp ~= nil) then
if (discover.debug) then
io.write(debug.traceback())
end
return 'workstation', discover.asset_icons['workstation'] .. appendSSHOS(mac, ip), ssh_rsp
end
if (discover.debug) then
io.write(debug.traceback())
end
return 'unknown', "", nil
end
-- #############################################################################
local function analyzeSSDP(ssdp)
local rsp = {}
-- Cleanup to avoid SSRF:
-- - Don't be tricked into issuing queries to ourselves
-- - Only query the same IP of the one that has been discovered
for url, host in pairs(ssdp) do
if ntop.isLocalInterfaceAddress(host) then
-- No queries to ourselves
ssdp[url] = nil
end
if not url:starts("http://" .. host) and not url:starts("https://" .. host) then
-- Not using HTTP or HTTPs, or the host is telling us to contact
-- another host different from itself. Skip to avoid SSRF
ssdp[url] = nil
end
end
-- NOTE: use page_utils.safe_html to protect agains malicious SSDP responses trying to inject code
for url, host in pairs(ssdp) do
url = ntop.httpPurifyParam(url) -- Cleanup against XSS
local hresp = ntop.httpGet(url, "", "", 3 --[[ seconds ]] )
local manufacturer = ""
local modelDescription = ""
local modelName = ""
local icon = ""
local base_url = getbaseURL(url)
local services = {}
local friendlyName = ""
if (hresp ~= nil) and (hresp["CONTENT"] ~= nil) then
local xml = newParser()
local r = xml:ParseXmlText(hresp["CONTENT"])
if (r.root ~= nil) then
if (r.root.device ~= nil) then
if (r.root.device.friendlyName ~= nil) then
friendlyName = page_utils.safe_html(r.root.device.friendlyName:value())
end
if (r.root.device.modelName ~= nil) then
modelName = page_utils.safe_html(r.root.device.modelName:value())
end
if (r.root.device.modelDescription ~= nil) then
modelDescription = page_utils.safe_html(r.root.device.modelDescription:value())
end
end
end
if (r.root ~= nil) then
if (r.root.device ~= nil) then
if (r.root.device.manufacturer ~= nil) then
manufacturer = page_utils.safe_html(r.root.device.manufacturer:value())
end
if (r.root.device.serviceList ~= nil) then
local k, v
local serviceList = r.root.device.serviceList:children()
for k, v in pairs(serviceList) do
if (v.serviceId ~= nil) then
local value = page_utils.safe_html(v.serviceId:value())
if (value ~= nil) then
if (discover.debug) then
io.write(value .. "\n")
end
table.insert(services, value)
end
end
end
end
if (r.root.device.iconList ~= nil) then
local k, v
local iconList = r.root.device.iconList:children()
local lastwidth = 999
for k, v in pairs(iconList) do
if ((v.mimetype ~= nil) and (v.width ~= nil) and (v.url ~= nil)) then
local mime = v.mimetype:value()
local width = tonumber(v.width:value())
if (width <= lastwidth) then
if ((mime == "image/jpeg") or (mime == "image/png") or (mime == "image/gif")) then
if (string.sub(v.url:value(), 1, 1) == "/") then
local slash = string.split(base_url, "/")
if (slash ~= nil) then
base_url = ""
for i, v in pairs(slash) do
-- io.write(i.." =>"..v.." ["..base_url.."]\n")
if (i < 4) then
if (i > 1) then
base_url = base_url .. "/"
end
base_url = base_url .. v
end
end
end
end
if ((string.sub(base_url, -1) ~= "/") and
(string.sub(v.url:value(), 1, 1) ~= "/")) then
base_url = base_url .. "/"
end
icon = "<img src=" .. ntop.httpPurifyParam(base_url .. v.url:value()) .. ">"
-- io.write(icon.."\n")
lastwidth = width -- Pick the smallest icon
end
end
end
end
end
end
end
if (discover.debug) then
io.write(hresp["CONTENT"] .. "\n")
end
end
if (rsp[host] ~= nil) then
rsp[host].url = rsp[host].url .. "<br><A HREF=" .. url .. ">" .. friendlyName .. "</A>"
for _, v in ipairs(services) do
table.insert(rsp[host].services, v)
end
else
rsp[host] = {
["icon"] = icon,
["manufacturer"] = manufacturer,
["url"] = "<A HREF=" .. url .. ">" .. friendlyName .. "</A>",
["services"] = services,
["modelName"] = modelName,
["modelDescription"] = modelDescription,
["friendlyName"] = friendlyName
}
end
if (discover.debug) then
io.write(rsp[host].icon .. " / " .. rsp[host].manufacturer .. " / " .. rsp[host].url .. " / " .. "\n")
end
end
return rsp
end
-- ################################################################################
local function discoverStatus(code, message)
return {
code = code or '',
message = message or ''
}
end
-- #############################################################################
local function discoverARP()
if (discover.debug) then
io.write("Starting ARP discovery...\n")
end
local status = discoverStatus("OK")
local res = {}
local ghost_macs = {}
local ghost_found = false
local arp_mdns = interface.arpScanHosts() -- List of hosts that reply to ARP
local now = os.time()
if (discover.debug) then
io.write("Completed ARP discovery...\n")
end
if (arp_mdns == nil) then
status = discoverStatus("ERROR", i18n("discover.err_unable_to_arp_discovery"))
else
-- Add the known macs to the list
local known_macs = interface.getMacsInfo(nil, 999, 0, false, true, nil, nil, nil, nil, nil) or {}
for _, hmac in pairs(known_macs.macs) do
if ((hmac["bytes.sent"] > 0) and ((now - hmac["seen.last"]) < 60) and (hmac["location"] == "lan")) then -- Skip silent/wan hosts
if (arp_mdns[hmac.mac] == nil) then
-- This is a known host that has *NOT* been observed via ARP scan
local ips = interface.findHostByMac(hmac.mac) or {}
if (discover.debug) then
io.write("Missing MAC " .. hmac.mac .. "\n")
end
for k, v in pairs(ips) do
arp_mdns[hmac.mac] = k
ghost_macs[hmac.mac] = k
ghost_found = true
end
end
end
end
end
return {
status = status,
ghost_macs = ghost_macs,
ghost_found = ghost_found,
arp_mdns = arp_mdns
}
end
-- #############################################################################
local function discovery2config(interface_name)
local cached = ntop.getCache(getCachedDiscoveryKey(interface_name))
local disc = json.decode(cached)
if isEmptyString(cached) or not disc then
return nil
end
disc["devices"] = ntop.lrangeCache(getCachedDiscoveredDevicesKey(interface_name), 0, -1) or {}
for i = 1, #disc["devices"] do
local discovered_device = json.decode(disc["devices"][i])
local mac_info = interface.getMacInfo(discovered_device.mac)
if mac_info ~= nil then
if not isEmptyString(mac_info.devtype) and mac_info.devtype ~= 0 then
discovered_device["device_label"] = discover.devtype2icon(mac_info.devtype)
discovered_device["device_type"] = mac_info.devtype
end
end
disc["devices"][i] = discovered_device
end
if (disc and false) then
for _, dev in pairs(disc.devices) do
if (dev.device_type .. "" ~= "unknown") then
-- print(dev.mac .. " = " .. dev.device_type .. "\n")
end
end
end
return disc
end
-- #############################################################################
function discover.discover2table(interface_name, recache)
local snmp_community = ntop.getPref("ntopng.prefs.default_snmp_community")
if isEmptyString(snmp_community) then
snmp_community = "public"
end
interface.select(tostring(interface_name))
local cached = discovery2config(interface_name)
if not recache then
if cached then
return cached
-- or { status = discoverStatus("ERROR", i18n("discover.error_unable_to_decode_json")) }
else
return {
status = discoverStatus("NOCACHE", i18n("discover.error_no_discovery_cached"))
}
end
end
setDiscoveryProgress("[0 %]")
-- ARP
local arp_d = discoverARP()
if arp_d["status"]["code"] ~= "OK" then
return {
status = arp_d["status"]
}
end
setDiscoveryProgress("[10 %]")
local arp_mdns = arp_d["arp_mdns"] or {}
local ghost_macs = arp_d["ghost_macs"]
local ghost_found = arp_d["ghost_found"]
-- SSDP, MDNS and SNMP
if (discover.debug) then
io.write("Starting SSDP discovery...\n")
end
local ssdp = interface.discoverHosts(3)
local osx_devices = {}
for mac, ip in pairsByValues(arp_mdns, asc) do
if ((ip == "0.0.0.0") or (ip == "255.255.255.255")) then
-- This does not look like a good IP/MAC combination
elseif (string.find(mac, ":") ~= nil) then
local manufacturer = get_manufacturer_mac(mac)
-- This is an ARP entry
if (discover.debug) then
io.write("Attempting to resolve " .. ip .. "\n")
end
local sym = ntop.getResolvedName(ip) -- placeholder resolution just to fill-up the cache
interface.mdnsQueueNameToResolve(ip)
if interface.snmpGetBatch then
interface.snmpGetBatch(ip, snmp_community, "1.3.6.1.2.1.1.5.0", 0)
if (string.contains(manufacturer, "HP") or string.contains(manufacturer, "Hewlett Packard") or
string.contains(manufacturer, "Hon Hai")) then
-- Query printer model
interface.snmpGetBatch(ip, snmp_community, "1.3.6.1.2.1.25.3.2.1.3.1", 0)
end
end
else
local ip_addr = mac
local mdns_services = ip
if (discover.debug) then
io.write("[MDNS Services] '" .. ip_addr .. "' = '" .. mdns_services .. "'\n")
end
if (string.contains(mdns_services, '_sftp')) then
osx_devices[ip_addr] = 1
end
ntop.resolveName(ip) -- Force address resolution
end
end
setDiscoveryProgress("[30 %]")
if (discover.debug) then
io.write("Analyzing SSDP...\n")
end
ssdp = analyzeSSDP(ssdp)
local show_services = false
setDiscoveryProgress("[40 %]")
if (discover.debug) then
io.write("Collecting MDNS responses\n")
end
local mdns = interface.mdnsReadQueuedResponses()
if (discover.debug) then
for ip, rsp in pairsByValues(mdns, asc) do
io.write("[MDNS Resolver] " .. ip .. " = " .. rsp .. "\n")
end
end
for ip, _ in pairs(osx_devices) do
if (discover.debug) then
io.write("[MDNS OSX] Querying " .. ip .. "\n")
end
interface.mdnsQueueAnyQuery(ip, "_sftp-ssh._tcp.local")
end
setDiscoveryProgress("[50 %]")
if (discover.debug) then
io.write("Collecting SNMP responses\n")
end
local snmp = {}
if interface.snmpReadResponses then
snmp = interface.snmpReadResponses() or {}
end
-- Query sysDescr for the hosts that have replied
for ip, rsp in pairsByValues(snmp, asc) do
-- io.write("Requesting sysDescr for "..ip.."\n")
interface.snmpGetBatch(ip, snmp_community, "1.3.6.1.2.1.1.1.0", 0)
end
setDiscoveryProgress("[60 %]")
if (discover.debug) then
io.write("Collecting MDNS OSX responses\n")
end
osx_devices = interface.mdnsReadQueuedResponses()
if (discover.debug) then
io.write("Collected MDNS OSX responses\n")
end
if (discover.debug) then
for a, b in pairs(osx_devices) do
io.write("[MDNS OSX] " .. a .. " / " .. b .. "\n")
end
end
setDiscoveryProgress("[70 %]")
local snmpSysDescr = {}
if interface.snmpReadResponses then
snmpSysDescr = interface.snmpReadResponses()
end
if (discover.debug) then
for ip, rsp in pairsByValues(snmpSysDescr, asc) do
io.write("[SNMP Descr] " .. ip .. " OK\n")
end
end
if (discover.debug) then
for ip, rsp in pairsByValues(snmp, asc) do
io.write("[SNMP] " .. ip .. " = [" .. rsp .. "][")
if (snmpSysDescr[i] ~= nil) then
io.write(snmpSysDescr[i])
end
io.write("]\n")
end
end
setDiscoveryProgress("[80 %]")
-- Time to pack the results in a table...
local status = discoverStatus("OK")
local res = {}
local too_many_devices_discovered = false
for mac, ip in pairsByValues(arp_mdns, asc) do
if ((string.find(mac, ":") == nil) or (ip == "0.0.0.0") or (ip == "255.255.255.255")) then
goto continue
end
local entry = {
ip = ip,
mac = mac,
ghost = false,
information = {}
}
local host = interface.getHostInfo(ip, 0) -- no VLAN
local sym, device_type, device_label, device_info
local manufacturer
local services = ""
local symIP = mdns[ip]
if (host ~= nil) then
sym = host["name"]
else
sym = ntop.getResolvedName(ip)
end
if not isEmptyString(sym) and sym ~= ip then
entry["sym"] = sym
end
if not isEmptyString(symIP) and symIP ~= ip then
entry["symIP"] = symIP
end
if not isEmptyString(arp_mdns[ip]) then
entry["information"] = table.merge(entry["information"], string.split(arp_mdns[ip], ";"))
end
if ssdp[ip] then
if ssdp[ip].icon then
entry["icon"] = ssdp[ip].icon
end
if ssdp[ip].modelName then
entry["modelName"] = ssdp[ip].modelName
end
if ssdp[ip].url then
entry["url"] = ssdp[ip].url
end
if ssdp[ip].manufacturer then
entry["manufacturer"] = ssdp[ip].manufacturer
end
if ssdp[ip].services then
entry["information"] = table.merge(entry["information"], ssdp[ip].services)
for i, name in ipairs(ssdp[ip].services) do
services = services .. ";" .. name
end
end
end
if (ghost_macs[mac] ~= nil) then
entry["ghost"] = true
end
device_type, device_label, device_info = findDevice(ip, mac, entry["manufacturer"] or get_manufacturer_mac(mac),
arp_mdns[ip], services, ssdp[ip], mdns, snmp[ip], snmpSysDescr[ip], osx_devices[ip], sym)
local mac_info = interface.getMacInfo(mac)
if isEmptyString(device_label) then
entry["device_label_noicon"] = device_label
if mac_info ~= nil then
device_label = discover.devtype2icon(mac_info.devtype)
end
end
if mac_info ~= nil then
entry["os_type"] = mac_info.operatingSystem
end
ntop.setMacDeviceType(mac, discover.devtype2id(device_type), false) -- false means don't overwrite if already set to ~= unknown
entry["device_type"] = device_type
entry["device_label"] = device_label
if (device_info ~= nil) then
entry["device_info"] = device_info
end
if (discover.debug) then
io.write("======================\n")
tprint(entry)
io.write("======================\n")
end
res[#res + 1] = entry
if #res >= discover.MAX_DISCOVERED_DEVICES then
too_many_devices_discovered = true
break
end
::continue::
end
setDiscoveryProgress("")
-- Cleanup old data
ntop.delCache(getCachedDiscoveryKey(interface_name))
ntop.delCache(getCachedDiscoveredDevicesKey(interface_name))
-- Save the discovery status
local response = {
status = status,
ghost_found = ghost_found,
discovery_timestamp = os.time(),
too_many_devices_discovered = too_many_devices_discovered
}
ntop.setCache(getCachedDiscoveryKey(interface_name), json.encode(response))
-- Save the actually discovered devices
local records_cache = getCachedDiscoveredDevicesKey(interface_name)
-- res is already trimmed at MAX_DISCOVERED_DEVICES, no need to check it
for i = 1, #res do
ntop.lpushCache(records_cache, json.encode(res[i]))
end
return response
end
-- ################################################################################
function discover.discovery_function(ifname, ifstats)
if not interface.isDiscoverableInterface() then
return
end
ntop.setPref("ntopng.prefs.is_periodic_network_discovery_running.ifid_" .. interface.getId(), "1")
ntop.setCache("ntopng.cache.network_discovery_executed.ifid_" .. interface.getId(), "1", 300)
traceError(TRACE_INFO,TRACE_CONSOLE, "[Discover] Started periodic discovery on interface "..ifname)
local res = discover.discover2table(ifname, true --[[ recache --]])
traceError(TRACE_INFO,TRACE_CONSOLE, "[Discover] Completed periodic discovery on interface "..ifname)
discover.clearNetworkDiscovery(ifstats.id)
ntop.setPref("ntopng.prefs.is_periodic_network_discovery_running.ifid_" .. interface.getId(), "0")
end
-- ################################################################################
return discover
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