Eduard Wisch
1a0f1dc5ca
- NetBIOS-Namensabfrage (UDP 137) je Host integriert - mdnsScan: neue Plugin-Methode, mDNS/Bonjour via NsdManager — findet Drucker, Kameras, Chromecast, AirPlay; liefert Namen + Diensttypen - Quick-Port-Probe (22/80/443/554/9100 …) speist eine deviceType-Heuristik (Kamera, Drucker, Router, Switch, NAS, Wallbox, Server …) - OUI-Vendor-Tabelle von 6 auf ~150 kuratierte Einträge erweitert - ipscan.ts führt IP-Scan + mDNS pro IP zusammen, mDNS-only-Geräte ergänzt - neue DeviceCard-Komponente: zeigt Geräteart-Badge, offene Ports, mDNS-Dienste, mac, NetBIOS-Name; ersetzt die Inline-Geräteliste - upsertDevice überschreibt vorhandene Daten nicht mehr mit undefined (Favorit/eigener Name bleiben bei magerem Re-Scan erhalten) - Manifest: CHANGE_WIFI_MULTICAST_STATE für die mDNS-Suche Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
1015 lines
44 KiB
Kotlin
1015 lines
44 KiB
Kotlin
package de.data_it_solution.netdiag
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import android.Manifest
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import android.content.Context
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import android.content.Intent
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import android.net.ConnectivityManager
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import android.net.Uri
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import android.net.nsd.NsdManager
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import android.net.nsd.NsdServiceInfo
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import android.net.wifi.WifiManager
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import android.os.Build
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import android.provider.Settings
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import androidx.core.content.FileProvider
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import com.getcapacitor.JSArray
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import com.getcapacitor.JSObject
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import com.getcapacitor.Plugin
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import com.getcapacitor.PluginCall
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import com.getcapacitor.PluginMethod
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import com.getcapacitor.annotation.CapacitorPlugin
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import com.getcapacitor.annotation.Permission
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import com.getcapacitor.annotation.PermissionCallback
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.async
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import kotlinx.coroutines.awaitAll
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.withContext
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import java.io.BufferedReader
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import java.io.File
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import java.io.FileOutputStream
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import java.io.FileReader
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import java.net.DatagramPacket
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import java.net.DatagramSocket
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import java.net.HttpURLConnection
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import java.net.Inet4Address
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import java.net.InetAddress
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import java.net.InetSocketAddress
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import java.net.Socket
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import java.net.URL
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import java.util.concurrent.ConcurrentHashMap
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import java.util.concurrent.ConcurrentLinkedQueue
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import java.util.concurrent.CountDownLatch
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import java.util.concurrent.TimeUnit
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/**
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* NetDiagScanner — natives Scan-Plugin der NetDiag-App.
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*
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* Der WebView kann keine Raw-Sockets/ICMP/ARP. Diese Klasse führt die
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* eigentlichen Netzwerk-Messungen durch und wird vom TS-Wrapper
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* (src/lib/scanner.ts) über `registerPlugin('NetDiagScanner')` angesprochen.
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*
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* Integration: Datei nach
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* android/app/src/main/java/de/data_it_solution/netdiag/
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* kopieren und in MainActivity registrieren:
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* registerPlugin(NetDiagScannerPlugin::class.java)
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*/
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@CapacitorPlugin(
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name = "NetDiagScanner",
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permissions = [
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Permission(alias = "location", strings = [Manifest.permission.ACCESS_FINE_LOCATION])
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]
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)
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class NetDiagScannerPlugin : Plugin() {
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private val io = CoroutineScope(Dispatchers.IO)
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private val stressRuns = ConcurrentHashMap<String, StressRun>()
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/* --------------------------------------------------------------------- */
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/* Subnetz / lokale Netzwerkinfo */
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/* --------------------------------------------------------------------- */
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@PluginMethod
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fun getLocalSubnet(call: PluginCall) {
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io.launch {
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try {
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var ip = ""
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var prefix = 0
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var gateway = ""
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// 1. Aktives Netz (WLAN ODER Ethernet) über LinkProperties —
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// liefert das ECHTE Präfix, nicht pauschal /24.
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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val cm = context.applicationContext
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.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
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val lp = cm.activeNetwork?.let { cm.getLinkProperties(it) }
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if (lp != null) {
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for (la in lp.linkAddresses) {
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val a = la.address
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if (a is Inet4Address && !a.isLoopbackAddress && !a.isLinkLocalAddress) {
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ip = a.hostAddress ?: ""
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prefix = la.prefixLength
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break
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}
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}
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for (route in lp.routes) {
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val gw = route.gateway
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if (route.isDefaultRoute && gw is Inet4Address && !gw.isAnyLocalAddress) {
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gateway = gw.hostAddress ?: ""
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break
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}
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}
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}
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}
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// 2. Fallback: WLAN-DHCP-Info (ältere Geräte / LinkProperties leer)
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if (ip.isEmpty() || prefix == 0) {
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val wifi = context.applicationContext
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.getSystemService(Context.WIFI_SERVICE) as WifiManager
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@Suppress("DEPRECATION") val dhcp = wifi.dhcpInfo
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if (dhcp != null) {
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if (ip.isEmpty() && dhcp.ipAddress != 0) ip = intToIp(dhcp.ipAddress)
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if (prefix == 0 && dhcp.netmask != 0) prefix = Integer.bitCount(dhcp.netmask)
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if (gateway.isEmpty() && dhcp.gateway != 0) gateway = intToIp(dhcp.gateway)
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}
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}
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// 3. Letzter Fallback
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if (ip.isEmpty()) ip = firstLocalIpv4()
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if (prefix !in 1..32) prefix = 24
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// Netzadresse aus IP + Präfix berechnen
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val ipInt = ipv4ToInt(ip) ?: 0
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val mask = if (prefix == 0) 0 else (-1 shl (32 - prefix))
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val network = intToIpv4(ipInt and mask)
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resolve(call, JSObject()
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.put("subnet", "$network/$prefix")
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.put("ip", ip)
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.put("gateway", gateway))
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} catch (e: Exception) {
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call.reject("getLocalSubnet: ${e.message}")
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}
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}
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}
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/* --------------------------------------------------------------------- */
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/* IP-Scan: Geräte im Subnetz finden */
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/* --------------------------------------------------------------------- */
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@PluginMethod
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fun ipScan(call: PluginCall) {
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val subnet = call.getString("subnet") ?: return call.reject("subnet fehlt")
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val hosts = hostsInSubnet(subnet)
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if (hosts.isEmpty()) {
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return call.reject("Subnetz ungültig oder zu groß (max /16): $subnet")
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}
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io.launch {
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try {
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// Parallel-Ping über ALLE Host-Adressen des Subnetzes — CIDR-genau,
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// also exakt der Bereich, den die Netzmaske aufspannt (/24, /23, /22 …).
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val alive = withContext(Dispatchers.IO) {
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hosts.map { ipInt ->
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async {
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val ip = intToIpv4(ipInt)
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if (InetAddress.getByName(ip).isReachable(350)) ip else null
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}
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}.awaitAll().filterNotNull()
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}
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val arp = readArpTable()
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// Pro lebendem Host parallel anreichern: Reverse-DNS, NetBIOS-Name,
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// Quick-Port-Probe (für die Geräteart-Heuristik).
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val enriched = withContext(Dispatchers.IO) {
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alive.map { ip ->
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async {
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val hostname = try {
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val n = InetAddress.getByName(ip).canonicalHostName
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if (n != ip) n else ""
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} catch (_: Exception) { "" }
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EnrichedHost(ip, hostname, netbiosName(ip), quickPortProbe(ip))
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}
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}.awaitAll()
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}
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val devices = JSArray()
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for (h in enriched) {
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val dev = JSObject().put("ip", h.ip)
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val mac = arp[h.ip]
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val vendor = mac?.let { ouiVendor(it) } ?: ""
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if (mac != null) dev.put("mac", mac)
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if (vendor.isNotEmpty()) dev.put("vendor", vendor)
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if (h.hostname.isNotEmpty()) dev.put("hostname", h.hostname)
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if (!h.netbios.isNullOrEmpty()) dev.put("netbiosName", h.netbios)
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if (h.openPorts.isNotEmpty()) {
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val pa = JSArray()
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h.openPorts.sorted().forEach { pa.put(it) }
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dev.put("openPorts", pa)
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}
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val nameHint = h.hostname.ifEmpty { h.netbios ?: "" }
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val type = guessDeviceType(vendor, nameHint, h.openPorts)
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if (type.isNotEmpty()) dev.put("deviceType", type)
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devices.put(dev)
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}
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resolve(call, JSObject().put("devices", devices))
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} catch (e: Exception) {
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call.reject("ipScan: ${e.message}")
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}
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}
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}
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/** Zwischenergebnis der parallelen Geräte-Anreicherung im IP-Scan */
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private data class EnrichedHost(
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val ip: String,
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val hostname: String,
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val netbios: String?,
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val openPorts: List<Int>,
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)
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/**
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* Schneller TCP-Connect-Test auf einige Schlüsselports — speist die
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* Geräteart-Heuristik (z.B. 554 → Kamera, 9100 → Drucker). 500 ms Timeout.
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*/
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private suspend fun quickPortProbe(ip: String): List<Int> {
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val probe = listOf(22, 23, 80, 443, 445, 554, 1883, 3389, 8000, 9100)
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return withContext(Dispatchers.IO) {
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probe.map { port ->
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async {
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try {
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Socket().use { it.connect(InetSocketAddress(ip, port), 500) }
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port
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} catch (_: Exception) {
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null
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}
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}
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}.awaitAll().filterNotNull()
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}
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}
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/**
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* NetBIOS-Namensabfrage (NBSTAT, UDP 137) — liefert den Workstation-Namen
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* vieler Windows-Rechner, NAS-Geräte und Kameras. Kein Root nötig.
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*/
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private fun netbiosName(ip: String): String? {
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// NBSTAT-„Node Status Request" für den Wildcard-Namen "*" (50 Byte).
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val query = byteArrayOf(
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0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x20,
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0x43, 0x4B, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
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0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
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0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41,
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0x00, 0x00, 0x21, 0x00, 0x01,
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)
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return try {
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DatagramSocket().use { sock ->
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sock.soTimeout = 600
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sock.send(DatagramPacket(query, query.size, InetAddress.getByName(ip), 137))
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val buf = ByteArray(512)
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val resp = DatagramPacket(buf, buf.size)
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sock.receive(resp)
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val data = resp.data
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if (resp.length < 57) return null
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val numNames = data[56].toInt() and 0xFF
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for (i in 0 until numNames) {
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val base = 57 + i * 18
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if (base + 18 > resp.length) break
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val suffix = data[base + 15].toInt() and 0xFF
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val isGroup = (data[base + 16].toInt() and 0x80) != 0
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// Suffix 0x00 + kein Gruppen-Flag = der eigentliche Gerätename
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if (suffix == 0x00 && !isGroup) {
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val name = String(data, base, 15, Charsets.US_ASCII).trim()
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if (name.isNotEmpty()) return name
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}
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}
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null
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}
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} catch (_: Exception) {
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null
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}
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}
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/**
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* Geräteart aus Hersteller, Name und offenen Ports schätzen.
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* Best-Effort-Heuristik — leerer String, wenn nichts Eindeutiges erkennbar.
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*/
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private fun guessDeviceType(vendor: String, name: String, ports: List<Int>): String {
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val v = vendor.lowercase()
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val n = name.lowercase()
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// 1. Eindeutige Hersteller
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if (v.contains("axis") || v.contains("hikvision") || v.contains("dahua")) return "Kamera"
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if (v.contains("avm")) return "Router"
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if (v.contains("sonos")) return "Lautsprecher"
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if (v.contains("synology") || v.contains("qnap")) return "NAS"
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if (v.contains("raspberry")) return "Raspberry Pi"
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if (v.contains("espressif")) return "IoT-Gerät"
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// 2. Namensmuster
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if (n.contains("camera") || n.contains("kamera") || n.contains("ipcam") ||
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n.contains("nvr") || n.contains("axis") || n.contains("hikvision")) return "Kamera"
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if (n.contains("printer") || n.contains("drucker")) return "Drucker"
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if (n.contains("fritz") || n.contains("router") || n.contains("gateway")) return "Router"
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if (n.contains("switch")) return "Switch"
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if (n.contains("wallbox") || n.contains("keba") || n.contains("charger")) return "Wallbox"
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if (n.contains("nas") || n.contains("synology") || n.contains("diskstation")) return "NAS"
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// 3. Portmuster
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return when {
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554 in ports -> "Kamera"
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9100 in ports || 515 in ports -> "Drucker"
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3389 in ports || (445 in ports && 1883 !in ports) -> "Windows-PC"
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1883 in ports || 502 in ports -> "IoT/SPS"
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22 in ports && (80 in ports || 443 in ports) -> "Server"
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22 in ports -> "Linux-Gerät"
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else -> ""
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}
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}
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/* --------------------------------------------------------------------- */
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/* mDNS / Bonjour — Drucker, Kameras, Chromecast, AirPlay … */
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/* --------------------------------------------------------------------- */
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/**
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* mDNS-Dienstsuche über NsdManager. Liefert pro IP den Bonjour-Namen und
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* die angebotenen Diensttypen. Kein Root, keine Berechtigung nötig — nur
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* ein Multicast-Lock fürs WLAN. Ergebnis ist Best-Effort (Timeout-begrenzt).
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*/
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@PluginMethod
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fun mdnsScan(call: PluginCall) {
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val timeoutMs = (call.getInt("timeoutMs") ?: 4000).toLong()
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io.launch {
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try {
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val found = discoverMdns(timeoutMs)
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val arr = JSArray()
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for ((ip, info) in found) {
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val services = JSArray()
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info.services.forEach { services.put(it) }
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arr.put(JSObject()
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.put("ip", ip)
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.put("name", info.name)
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.put("services", services))
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}
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resolve(call, JSObject().put("devices", arr))
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} catch (e: Exception) {
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call.reject("mdnsScan: ${e.message}")
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}
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}
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}
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private class MdnsInfo {
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var name: String = ""
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val services: MutableSet<String> = ConcurrentHashMap.newKeySet()
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}
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@Suppress("DEPRECATION")
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private fun discoverMdns(timeoutMs: Long): Map<String, MdnsInfo> {
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val nsd = context.applicationContext
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.getSystemService(Context.NSD_SERVICE) as NsdManager
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val wifi = context.applicationContext
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.getSystemService(Context.WIFI_SERVICE) as WifiManager
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val types = listOf(
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"_printer._tcp.", "_ipp._tcp.", "_pdl-datastream._tcp.", "_googlecast._tcp.",
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"_airplay._tcp.", "_raop._tcp.", "_http._tcp.", "_workstation._tcp.",
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"_smb._tcp.", "_rtsp._tcp.", "_axis-video._tcp.", "_hap._tcp.", "_ssh._tcp.",
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)
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val result = ConcurrentHashMap<String, MdnsInfo>()
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val pending = ConcurrentLinkedQueue<NsdServiceInfo>()
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val listeners = ArrayList<NsdManager.DiscoveryListener>()
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val mlock = wifi.createMulticastLock("netdiag-mdns").apply {
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setReferenceCounted(true)
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try { acquire() } catch (_: Exception) { }
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}
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try {
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for (type in types) {
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val l = object : NsdManager.DiscoveryListener {
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override fun onStartDiscoveryFailed(s: String?, e: Int) {}
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override fun onStopDiscoveryFailed(s: String?, e: Int) {}
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override fun onDiscoveryStarted(s: String?) {}
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override fun onDiscoveryStopped(s: String?) {}
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override fun onServiceFound(info: NsdServiceInfo) { pending.add(info) }
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override fun onServiceLost(info: NsdServiceInfo) {}
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}
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try {
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nsd.discoverServices(type, NsdManager.PROTOCOL_DNS_SD, l)
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listeners.add(l)
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} catch (_: Exception) { }
|
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}
|
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// Gefundene Dienste seriell auflösen — NsdManager.resolveService
|
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// verträgt keine parallelen Aufrufe.
|
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val deadline = System.currentTimeMillis() + timeoutMs
|
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while (System.currentTimeMillis() < deadline) {
|
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val info = pending.poll()
|
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if (info == null) {
|
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Thread.sleep(100)
|
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continue
|
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}
|
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val lock = CountDownLatch(1)
|
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try {
|
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nsd.resolveService(info, object : NsdManager.ResolveListener {
|
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override fun onResolveFailed(s: NsdServiceInfo?, e: Int) { lock.countDown() }
|
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override fun onServiceResolved(s: NsdServiceInfo) {
|
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val host = s.host?.hostAddress
|
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if (host != null) {
|
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val mi = result.getOrPut(host) { MdnsInfo() }
|
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if (mi.name.isEmpty()) mi.name = s.serviceName ?: ""
|
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val t = (s.serviceType ?: "").trim('.', ' ')
|
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if (t.isNotEmpty()) mi.services.add(t)
|
||
}
|
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lock.countDown()
|
||
}
|
||
})
|
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lock.await(1500, TimeUnit.MILLISECONDS)
|
||
} catch (_: Exception) { }
|
||
}
|
||
} finally {
|
||
for (l in listeners) {
|
||
try { nsd.stopServiceDiscovery(l) } catch (_: Exception) { }
|
||
}
|
||
try { if (mlock.isHeld) mlock.release() } catch (_: Exception) { }
|
||
}
|
||
return result
|
||
}
|
||
|
||
/**
|
||
* Alle Host-IPs (als Int) eines CIDR-Subnetzes.
|
||
* "192.168.1.0/24" -> .1 bis .254, "10.0.0.0/22" -> 1022 Hosts usw.
|
||
* Ohne Praefix wird /24 angenommen. Netz- und Broadcast-Adresse sind
|
||
* ausgenommen (ausser /31, /32). Leer bei ungueltig oder > /16.
|
||
*/
|
||
private fun hostsInSubnet(cidr: String): List<Int> {
|
||
val parts = cidr.trim().split('/')
|
||
val ipInt = ipv4ToInt(parts[0].trim()) ?: return emptyList()
|
||
val prefix = if (parts.size > 1) (parts[1].trim().toIntOrNull() ?: 24) else 24
|
||
if (prefix < 0 || prefix > 32) return emptyList()
|
||
val mask = if (prefix == 0) 0 else (-1 shl (32 - prefix))
|
||
val network = ipInt and mask
|
||
val broadcast = network or mask.inv()
|
||
val out = ArrayList<Int>()
|
||
if (prefix >= 31) {
|
||
var i = network
|
||
while (true) { out.add(i); if (i == broadcast) break; i++ }
|
||
return out
|
||
}
|
||
val count = (broadcast.toLong() and 0xFFFFFFFFL) - (network.toLong() and 0xFFFFFFFFL) - 1L
|
||
if (count < 1L || count > 65534L) return emptyList()
|
||
var i = network + 1
|
||
val last = broadcast - 1
|
||
while (true) { out.add(i); if (i == last) break; i++ }
|
||
return out
|
||
}
|
||
|
||
/** "192.168.1.50" -> 32-Bit-Int (big-endian), null bei ungueltig */
|
||
private fun ipv4ToInt(s: String): Int? {
|
||
val o = s.split('.')
|
||
if (o.size != 4) return null
|
||
var v = 0
|
||
for (part in o) {
|
||
val n = part.toIntOrNull() ?: return null
|
||
if (n < 0 || n > 255) return null
|
||
v = (v shl 8) or n
|
||
}
|
||
return v
|
||
}
|
||
|
||
/** 32-Bit-Int (big-endian) -> "192.168.1.50" */
|
||
private fun intToIpv4(i: Int): String =
|
||
"${(i shr 24) and 0xFF}.${(i shr 16) and 0xFF}.${(i shr 8) and 0xFF}.${i and 0xFF}"
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Port-Scan */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun portScan(call: PluginCall) {
|
||
val ip = call.getString("ip") ?: return call.reject("ip fehlt")
|
||
val portsArg = call.getArray("ports") ?: JSArray()
|
||
val ports = (0 until portsArg.length()).map { portsArg.getInt(it) }
|
||
io.launch {
|
||
try {
|
||
val open = withContext(Dispatchers.IO) {
|
||
ports.map { port ->
|
||
async {
|
||
try {
|
||
Socket().use { s ->
|
||
s.connect(InetSocketAddress(ip, port), 700)
|
||
}
|
||
port
|
||
} catch (_: Exception) {
|
||
null
|
||
}
|
||
}
|
||
}.awaitAll().filterNotNull()
|
||
}
|
||
val arr = JSArray()
|
||
for (p in open) arr.put(JSObject().put("port", p).put("service", serviceName(p)))
|
||
resolve(call, JSObject().put("open", arr))
|
||
} catch (e: Exception) {
|
||
call.reject("portScan: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Ping-Qualität */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun pingQuality(call: PluginCall) {
|
||
val host = call.getString("host") ?: return call.reject("host fehlt")
|
||
val count = call.getInt("count") ?: 20
|
||
io.launch {
|
||
try {
|
||
resolve(call, measurePing(host, count))
|
||
} catch (e: Exception) {
|
||
call.reject("pingQuality: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
private fun measurePing(host: String, count: Int): JSObject {
|
||
val times = ArrayList<Double>()
|
||
val addr = InetAddress.getByName(host)
|
||
repeat(count) {
|
||
val t0 = System.nanoTime()
|
||
if (addr.isReachable(1000)) {
|
||
times.add((System.nanoTime() - t0) / 1_000_000.0)
|
||
}
|
||
Thread.sleep(200)
|
||
}
|
||
val received = times.size
|
||
val loss = ((count - received) * 100) / count
|
||
val min = times.minOrNull() ?: 0.0
|
||
val max = times.maxOrNull() ?: 0.0
|
||
val avg = if (times.isNotEmpty()) times.average() else 0.0
|
||
// Jitter = mittlere absolute Abweichung aufeinanderfolgender Werte
|
||
var jitter = 0.0
|
||
for (i in 1 until times.size) jitter += Math.abs(times[i] - times[i - 1])
|
||
if (times.size > 1) jitter /= (times.size - 1)
|
||
return JSObject()
|
||
.put("sent", count).put("received", received).put("lossPct", loss)
|
||
.put("minMs", round1(min)).put("avgMs", round1(avg))
|
||
.put("maxMs", round1(max)).put("jitterMs", round1(jitter))
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* WLAN-Scan */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun wifiScan(call: PluginCall) {
|
||
if (getPermissionState("location") != com.getcapacitor.PermissionState.GRANTED) {
|
||
requestPermissionForAlias("location", call, "wifiScanPermCallback")
|
||
return
|
||
}
|
||
doWifiScan(call)
|
||
}
|
||
|
||
@PermissionCallback
|
||
private fun wifiScanPermCallback(call: PluginCall) {
|
||
if (getPermissionState("location") == com.getcapacitor.PermissionState.GRANTED) {
|
||
doWifiScan(call)
|
||
} else {
|
||
call.reject("Standortberechtigung für WLAN-Scan abgelehnt")
|
||
}
|
||
}
|
||
|
||
private fun doWifiScan(call: PluginCall) {
|
||
try {
|
||
val wifi = context.applicationContext.getSystemService(Context.WIFI_SERVICE) as WifiManager
|
||
val arr = JSArray()
|
||
for (r in wifi.scanResults) {
|
||
val freq = r.frequency
|
||
arr.put(JSObject()
|
||
.put("ssid", if (r.SSID.isNullOrEmpty()) "(versteckt)" else r.SSID)
|
||
.put("bssid", r.BSSID ?: "")
|
||
.put("channel", freqToChannel(freq))
|
||
.put("rssi", r.level)
|
||
.put("band", if (freq > 4000) "5 GHz" else "2.4 GHz"))
|
||
}
|
||
resolve(call, JSObject().put("networks", arr))
|
||
} catch (e: Exception) {
|
||
call.reject("wifiScan: ${e.message}")
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* DHCP-Info — DHCP-Server, von dem das Gerät seine Adresse bezieht */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
/**
|
||
* Liefert den DHCP-Server, von dem das Gerät selbst seine IP bezogen hat,
|
||
* samt Lease-Dauer, Gateway und DNS.
|
||
*
|
||
* Eine aktive Rogue-DHCP-Suche (DHCPDISCOVER senden, OFFER empfangen) ist
|
||
* auf nicht gerootetem Android NICHT möglich: der Server antwortet auf
|
||
* UDP-Port 68, der ist privilegiert (< 1024) und vom System-DHCP-Client
|
||
* belegt. Darum hier nur die verlässliche, vom OS bezogene Lease-Info.
|
||
*/
|
||
@PluginMethod
|
||
fun dhcpInfo(call: PluginCall) {
|
||
io.launch {
|
||
try {
|
||
val wifi = context.applicationContext
|
||
.getSystemService(Context.WIFI_SERVICE) as WifiManager
|
||
@Suppress("DEPRECATION") val dhcp = wifi.dhcpInfo
|
||
|
||
val out = JSObject()
|
||
val dns = JSArray()
|
||
if (dhcp != null && dhcp.serverAddress != 0) {
|
||
out.put("server", intToIp(dhcp.serverAddress))
|
||
out.put("lease", dhcp.leaseDuration)
|
||
out.put("gateway", if (dhcp.gateway != 0) intToIp(dhcp.gateway) else "")
|
||
if (dhcp.dns1 != 0) dns.put(intToIp(dhcp.dns1))
|
||
if (dhcp.dns2 != 0) dns.put(intToIp(dhcp.dns2))
|
||
} else {
|
||
// Kein WLAN-DHCP greifbar (z. B. Ethernet) — Server nicht ermittelbar
|
||
out.put("server", "")
|
||
out.put("lease", 0)
|
||
out.put("gateway", "")
|
||
}
|
||
out.put("dns", dns)
|
||
resolve(call, out)
|
||
} catch (e: Exception) {
|
||
call.reject("dhcpInfo: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* SNMP v2c GET (Switch: Link-Speed, Fehlerzähler) */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun snmpGet(call: PluginCall) {
|
||
val host = call.getString("host") ?: return call.reject("host fehlt")
|
||
val community = call.getString("community") ?: "public"
|
||
val oidsArg = call.getArray("oids") ?: JSArray()
|
||
val oids = (0 until oidsArg.length()).map { oidsArg.getString(it) }
|
||
io.launch {
|
||
try {
|
||
val values = JSObject()
|
||
for (oid in oids) {
|
||
values.put(oid, Snmp.get(host, community, oid) ?: "-")
|
||
}
|
||
resolve(call, JSObject().put("values", values))
|
||
} catch (e: Exception) {
|
||
call.reject("snmpGet: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Traceroute (über das System-ping-Binary, kein Root nötig) */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun traceroute(call: PluginCall) {
|
||
val host = call.getString("host") ?: return call.reject("host fehlt")
|
||
io.launch {
|
||
try {
|
||
val hops = JSArray()
|
||
var deadStreak = 0
|
||
for (ttl in 1..30) {
|
||
val hop = pingWithTtl(host, ttl)
|
||
hops.put(JSObject()
|
||
.put("ttl", ttl)
|
||
.put("ip", hop.ip)
|
||
.put("ms", hop.ms))
|
||
if (hop.ip == host || hop.reachedTarget) break
|
||
// Nach 5 toten Hops in Folge abbrechen statt stur bis TTL 30
|
||
deadStreak = if (hop.ip == "*") deadStreak + 1 else 0
|
||
if (deadStreak >= 5) break
|
||
}
|
||
resolve(call, JSObject().put("hops", hops))
|
||
} catch (e: Exception) {
|
||
call.reject("traceroute: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Durchsatz-Test */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun throughput(call: PluginCall) {
|
||
val host = call.getString("host") ?: return call.reject("host fehlt")
|
||
val port = call.getInt("port") ?: 5201
|
||
val durationSec = call.getInt("durationSec") ?: 10
|
||
io.launch {
|
||
try {
|
||
// Einfacher TCP-Durchsatz gegen eine Sink/Source-Gegenstelle:
|
||
// Download = empfangene Bytes, Upload = gesendete Bytes je Sekunde.
|
||
val res = measureThroughput(host, port, durationSec)
|
||
resolve(call, res)
|
||
} catch (e: Exception) {
|
||
call.reject("throughput: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
private fun measureThroughput(host: String, port: Int, durationSec: Int): JSObject {
|
||
val buf = ByteArray(64 * 1024)
|
||
var downBytes = 0L
|
||
var upBytes = 0L
|
||
// Upload-Phase
|
||
Socket().use { s ->
|
||
s.connect(InetSocketAddress(host, port), 3000)
|
||
val end = System.currentTimeMillis() + durationSec * 500L
|
||
val out = s.getOutputStream()
|
||
while (System.currentTimeMillis() < end) {
|
||
out.write(buf); upBytes += buf.size
|
||
}
|
||
}
|
||
// Download-Phase
|
||
Socket().use { s ->
|
||
s.connect(InetSocketAddress(host, port), 3000)
|
||
val end = System.currentTimeMillis() + durationSec * 500L
|
||
val inp = s.getInputStream()
|
||
while (System.currentTimeMillis() < end) {
|
||
val n = inp.read(buf); if (n < 0) break; downBytes += n
|
||
}
|
||
}
|
||
val secs = durationSec / 2.0
|
||
return JSObject()
|
||
.put("downMbps", round1(downBytes * 8.0 / 1_000_000.0 / secs))
|
||
.put("upMbps", round1(upBytes * 8.0 / 1_000_000.0 / secs))
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Dauer-/Stresstest */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
@PluginMethod
|
||
fun startStressTest(call: PluginCall) {
|
||
val host = call.getString("host") ?: return call.reject("host fehlt")
|
||
val durationSec = call.getInt("durationSec") ?: 300
|
||
val runId = "run-${System.currentTimeMillis()}"
|
||
val run = StressRun(host, durationSec)
|
||
stressRuns[runId] = run
|
||
// Hinweis: für Läufe > einige Minuten sollte ein Foreground-Service
|
||
// gestartet werden, sonst kann Android den Prozess beenden.
|
||
io.launch {
|
||
val end = System.currentTimeMillis() + durationSec * 1000L
|
||
while (System.currentTimeMillis() < end && run.active) {
|
||
val q = measurePing(host, 5)
|
||
run.samples++
|
||
run.lossSum += q.getInteger("lossPct", 0) ?: 0
|
||
run.avgSum += q.getDouble("avgMs")
|
||
run.maxMs = Math.max(run.maxMs, q.getDouble("maxMs"))
|
||
}
|
||
}
|
||
resolve(call, JSObject().put("runId", runId))
|
||
}
|
||
|
||
@PluginMethod
|
||
fun stopStressTest(call: PluginCall) {
|
||
val runId = call.getString("runId") ?: return call.reject("runId fehlt")
|
||
val run = stressRuns.remove(runId) ?: return call.reject("Lauf nicht gefunden")
|
||
run.active = false
|
||
val n = Math.max(1, run.samples)
|
||
resolve(call, JSObject()
|
||
.put("samples", run.samples)
|
||
.put("lossPct", run.lossSum / n)
|
||
.put("avgMs", round1(run.avgSum / n))
|
||
.put("maxMs", round1(run.maxMs)))
|
||
}
|
||
|
||
private class StressRun(val host: String, val durationSec: Int) {
|
||
var active = true
|
||
var samples = 0
|
||
var lossSum = 0
|
||
var avgSum = 0.0
|
||
var maxMs = 0.0
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* App-Update: APK herunterladen und Paketinstaller öffnen */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
/**
|
||
* Lädt die neue APK vom (authentifizierten) Update-Proxy des netdiag-Moduls
|
||
* herunter und öffnet den Android-Paketinstaller. Der Download-Fortschritt
|
||
* wird laufend als `updateProgress`-Event (0–100 %) gemeldet.
|
||
*
|
||
* Vor Android 8 genügt die globale Einstellung „Unbekannte Quellen". Ab
|
||
* Android 8 muss die App einzeln berechtigt sein — fehlt das Recht, wird
|
||
* der passende Einstellungs-Dialog geöffnet und der Aufruf abgewiesen.
|
||
*/
|
||
@PluginMethod
|
||
fun installUpdate(call: PluginCall) {
|
||
val url = call.getString("url") ?: return call.reject("url fehlt")
|
||
io.launch {
|
||
try {
|
||
// Ab Android 8: App braucht das Recht, Pakete zu installieren
|
||
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O &&
|
||
!context.packageManager.canRequestPackageInstalls()
|
||
) {
|
||
val perm = Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES)
|
||
.setData(Uri.parse("package:${context.packageName}"))
|
||
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
|
||
context.startActivity(perm)
|
||
call.reject("Bitte erlauben, dass NetDiag Apps installieren darf, dann erneut tippen")
|
||
return@launch
|
||
}
|
||
|
||
val apk = File(context.cacheDir, "NetDiag-update.apk")
|
||
downloadApk(url, apk)
|
||
|
||
val uri = FileProvider.getUriForFile(
|
||
context, "${context.packageName}.fileprovider", apk
|
||
)
|
||
val install = Intent(Intent.ACTION_VIEW)
|
||
.setDataAndType(uri, "application/vnd.android.package-archive")
|
||
.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
|
||
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
|
||
context.startActivity(install)
|
||
resolve(call, JSObject().put("started", true))
|
||
} catch (e: Exception) {
|
||
call.reject("installUpdate: ${e.message}")
|
||
}
|
||
}
|
||
}
|
||
|
||
/** APK streamend in `target` laden und dabei `updateProgress`-Events senden. */
|
||
private fun downloadApk(url: String, target: File) {
|
||
val conn = (URL(url).openConnection() as HttpURLConnection).apply {
|
||
connectTimeout = 15_000
|
||
readTimeout = 120_000
|
||
instanceFollowRedirects = true
|
||
}
|
||
try {
|
||
val code = conn.responseCode
|
||
if (code != 200) throw Exception("Download fehlgeschlagen (HTTP $code)")
|
||
val total = conn.contentLength.toLong() // -1 wenn unbekannt
|
||
var read = 0L
|
||
var lastPct = -1
|
||
conn.inputStream.use { input ->
|
||
FileOutputStream(target).use { out ->
|
||
val buf = ByteArray(64 * 1024)
|
||
while (true) {
|
||
val n = input.read(buf)
|
||
if (n < 0) break
|
||
out.write(buf, 0, n)
|
||
read += n
|
||
if (total > 0) {
|
||
val pct = (read * 100 / total).toInt()
|
||
if (pct != lastPct) {
|
||
lastPct = pct
|
||
notifyListeners(
|
||
"updateProgress", JSObject().put("percent", pct)
|
||
)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (target.length() < 1024) throw Exception("APK unvollständig empfangen")
|
||
} finally {
|
||
conn.disconnect()
|
||
}
|
||
}
|
||
|
||
/* --------------------------------------------------------------------- */
|
||
/* Hilfsfunktionen */
|
||
/* --------------------------------------------------------------------- */
|
||
|
||
private fun resolve(call: PluginCall, data: JSObject) {
|
||
// Capacitor erwartet die Auflösung auf dem Main-Thread
|
||
activity.runOnUiThread { call.resolve(data) }
|
||
}
|
||
|
||
private fun intToIp(i: Int): String =
|
||
"${i and 0xFF}.${i shr 8 and 0xFF}.${i shr 16 and 0xFF}.${i shr 24 and 0xFF}"
|
||
|
||
private fun firstLocalIpv4(): String {
|
||
java.net.NetworkInterface.getNetworkInterfaces().toList().forEach { ni ->
|
||
ni.inetAddresses.toList().forEach { addr ->
|
||
if (!addr.isLoopbackAddress && addr is java.net.Inet4Address) {
|
||
return addr.hostAddress ?: ""
|
||
}
|
||
}
|
||
}
|
||
return "192.168.1.1"
|
||
}
|
||
|
||
/** /proc/net/arp lesen -> Map IP -> MAC (kann auf neuen Android-Versionen leer sein) */
|
||
private fun readArpTable(): Map<String, String> {
|
||
val map = HashMap<String, String>()
|
||
try {
|
||
BufferedReader(FileReader(File("/proc/net/arp"))).use { br ->
|
||
br.readLine() // Kopfzeile
|
||
var line = br.readLine()
|
||
while (line != null) {
|
||
val parts = line.split(Regex("\\s+"))
|
||
if (parts.size >= 4 && parts[3] != "00:00:00:00:00:00") {
|
||
map[parts[0]] = parts[3].uppercase()
|
||
}
|
||
line = br.readLine()
|
||
}
|
||
}
|
||
} catch (_: Exception) { }
|
||
return map
|
||
}
|
||
|
||
/** ping mit fester TTL -> (antwortende IP, Latenz in ms) */
|
||
private data class Hop(val ip: String, val ms: Double, val reachedTarget: Boolean)
|
||
|
||
private fun pingWithTtl(host: String, ttl: Int): Hop {
|
||
return try {
|
||
val proc = ProcessBuilder("/system/bin/ping", "-c", "1", "-W", "2", "-t", ttl.toString(), host)
|
||
.redirectErrorStream(true).start()
|
||
val out = proc.inputStream.bufferedReader().readText()
|
||
proc.waitFor()
|
||
val ip = Regex("""From ([\d.]+)""").find(out)?.groupValues?.get(1)
|
||
?: Regex("""\((\d+\.\d+\.\d+\.\d+)\)""").find(out)?.groupValues?.get(1)
|
||
?: "*"
|
||
val ms = Regex("""time=([\d.]+)""").find(out)?.groupValues?.get(1)?.toDoubleOrNull() ?: 0.0
|
||
val reached = out.contains("bytes from")
|
||
Hop(if (reached) host else ip, ms, reached)
|
||
} catch (e: Exception) {
|
||
Hop("*", 0.0, false)
|
||
}
|
||
}
|
||
|
||
private fun freqToChannel(freq: Int): Int = when {
|
||
freq == 2484 -> 14
|
||
freq in 2412..2472 -> (freq - 2412) / 5 + 1
|
||
freq in 5170..5825 -> (freq - 5170) / 5 + 34
|
||
else -> 0
|
||
}
|
||
|
||
private fun serviceName(port: Int): String = when (port) {
|
||
21 -> "ftp"; 22 -> "ssh"; 23 -> "telnet"; 53 -> "dns"; 80 -> "http"
|
||
139 -> "netbios"; 443 -> "https"; 445 -> "smb"; 502 -> "modbus"
|
||
1883 -> "mqtt"; 3389 -> "rdp"; 8080 -> "http-alt"; 8443 -> "https-alt"
|
||
else -> ""
|
||
}
|
||
|
||
/** Minimaler OUI-Hersteller-Lookup. Für vollständige Abdeckung OUI-DB einbinden. */
|
||
private fun ouiVendor(mac: String): String {
|
||
val oui = mac.replace(":", "").take(6).uppercase()
|
||
return OUI[oui] ?: ""
|
||
}
|
||
|
||
private fun round1(v: Double): Double = Math.round(v * 10.0) / 10.0
|
||
|
||
companion object {
|
||
/**
|
||
* Kuratierter OUI-Auszug der gängigsten Hersteller im Handwerksumfeld
|
||
* (Router, Switches, Kameras, Drucker, IoT, NAS). Kein Anspruch auf
|
||
* Vollständigkeit — unbekannte MACs liefern einfach einen leeren Vendor.
|
||
*/
|
||
private val OUI: Map<String, String> = buildMap {
|
||
// AVM / FRITZ!Box
|
||
listOf("00040E", "3810D5", "5C4979", "C80E14", "E0286D", "3410F4")
|
||
.forEach { put(it, "AVM") }
|
||
// TP-Link
|
||
listOf("003192", "50C7BF", "D8EB97", "EC086B", "A42BB0", "1CFA68",
|
||
"14CC20", "B0487A", "6032B1", "5091E3").forEach { put(it, "TP-Link") }
|
||
// Netgear
|
||
listOf("000FB5", "20E52A", "00146C", "001B2F", "001E2A", "00223F",
|
||
"0024B2", "28C68E", "A040A0", "3C3786", "6CB0CE").forEach { put(it, "Netgear") }
|
||
// Ubiquiti
|
||
listOf("00156D", "0418D6", "24A43C", "44D9E7", "687251", "788A20",
|
||
"802AA8", "B4FB0E", "DC9FDB", "F09FC2", "FCECDA", "74ACB9",
|
||
"18E829", "944A0C", "E063DA").forEach { put(it, "Ubiquiti") }
|
||
// Cisco
|
||
listOf("00000C", "001AA1", "0023AC", "F09E63").forEach { put(it, "Cisco") }
|
||
// MikroTik
|
||
listOf("000C42", "4C5E0C", "6C3B6B", "CC2DE0", "E48D8C", "64D154",
|
||
"B869F4", "18FD74", "2CC81B", "DC2C6E", "744D28", "488F5A")
|
||
.forEach { put(it, "MikroTik") }
|
||
// D-Link
|
||
listOf("001195", "1CBDB9", "001B11", "001CF0", "14D64D", "28107B",
|
||
"78542E", "B8A386", "C8BE19").forEach { put(it, "D-Link") }
|
||
// Hikvision (Kameras)
|
||
listOf("4419B6", "BCAD28", "C05627", "2857BE", "4CBD8F", "54C415",
|
||
"A41437", "B4A382", "18680F").forEach { put(it, "Hikvision") }
|
||
// Dahua (Kameras)
|
||
listOf("3CEF8C", "9002A9", "14A78B", "E0508B", "08EDED", "24526A",
|
||
"6C1C71").forEach { put(it, "Dahua") }
|
||
// Axis (Kameras)
|
||
listOf("00408C", "ACCC8E", "B8A44F", "E82725").forEach { put(it, "Axis") }
|
||
// Drucker
|
||
listOf("001E0B", "3CD92B", "9457A5", "001321", "A0481C", "308D99",
|
||
"380025", "00215A", "9C8E99", "EC8EB5", "705A0F", "B499BA")
|
||
.forEach { put(it, "HP") }
|
||
listOf("008077", "30055C", "001BA9").forEach { put(it, "Brother") }
|
||
listOf("002673", "88873D", "F48139", "2C9EFC", "001E8F", "B08E1A")
|
||
.forEach { put(it, "Canon") }
|
||
listOf("000048", "0026AB", "A4EE57", "64EB8C", "44D244", "381A52")
|
||
.forEach { put(it, "Epson") }
|
||
// Apple
|
||
listOf("F0B479", "3C0754", "A4B197", "DC2B2A", "040CCE", "7CD1C3",
|
||
"F0DBF8", "88665A", "28CFE9", "001EC2", "002500", "D8A25E")
|
||
.forEach { put(it, "Apple") }
|
||
// Samsung
|
||
listOf("002566", "8425DB", "5CF6DC", "0017C9", "001A8A", "3423BA",
|
||
"781FDB", "8C7712", "BC1485", "5C0A5B").forEach { put(it, "Samsung") }
|
||
// Espressif (ESP32/ESP8266 — Shelly, Tasmota, viele IoT-Geräte)
|
||
listOf("240AC4", "30AEA4", "246F28", "84CCA8", "A020A6", "7C9EBD",
|
||
"8CAAB5", "3C6105", "24B2DE", "DC4F22", "84F3EB", "BCDDC2",
|
||
"A4CF12", "CC50E3", "2462AB", "18FE34", "5CCF7F", "600194",
|
||
"2C3AE8", "ECFABC", "B4E62D", "9038C9").forEach { put(it, "Espressif") }
|
||
// Raspberry Pi
|
||
listOf("B827EB", "DCA632", "E45F01", "28CDC1", "D83ADD", "2CCF67")
|
||
.forEach { put(it, "Raspberry Pi") }
|
||
// Intel
|
||
listOf("001CC0", "3CA9F4", "A0A8CD", "8C1645", "7CB27D", "9C305B",
|
||
"0013E8", "5C514F", "94659C").forEach { put(it, "Intel") }
|
||
// Sonos
|
||
listOf("000E58", "5CAAFD", "949F3E", "B8E937", "347E5C", "48A6B8",
|
||
"542A1B").forEach { put(it, "Sonos") }
|
||
// NAS
|
||
listOf("001132", "9009D0").forEach { put(it, "Synology") }
|
||
listOf("00089B", "245EBE").forEach { put(it, "QNAP") }
|
||
// Amazon (Echo / Fire)
|
||
listOf("8871E5", "FCA183", "44650D", "F0272D", "68DBF5", "50DCE7",
|
||
"AC63BE", "40B4CD", "0C47C9", "74C246").forEach { put(it, "Amazon") }
|
||
// Google / Nest / Chromecast
|
||
listOf("F4F5D8", "F4F5E8", "30FD38", "6CADF8", "546009", "A47733",
|
||
"1CF29A", "3C5AB4", "D86C63", "48D6D5").forEach { put(it, "Google") }
|
||
// Industrie / Gebäudetechnik
|
||
listOf("000E8C", "001B1B", "286336", "001C06", "8CF319")
|
||
.forEach { put(it, "Siemens") }
|
||
put("00A057", "Lancom")
|
||
put("001A22", "eQ-3 / Homematic")
|
||
}
|
||
}
|
||
}
|