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46226f0d78
| Author | SHA1 | Date | |
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| 46226f0d78 | |||
| c81871f010 | |||
| d389ee924d | |||
| 06cc5910ab |
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@ -82,14 +82,18 @@ class NetDiagScannerPlugin : Plugin() {
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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 base = subnet.substringBeforeLast('.', "192.168.1")
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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): $subnet")
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}
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io.launch {
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try {
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// Parallel-Ping über das gesamte /24
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// Parallel-Ping über ALLE Host-Adressen des Subnetzes — CIDR-genau,
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// also exakt der Bereich, den die Netzmaske aufspannt (/24, /23, /22 …).
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val alive = withContext(Dispatchers.IO) {
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(1..254).map { host ->
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hosts.map { ipInt ->
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async {
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val ip = "$base.$host"
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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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@ -112,6 +116,51 @@ class NetDiagScannerPlugin : Plugin() {
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}
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}
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/**
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* Alle Host-IPs (als Int) eines CIDR-Subnetzes.
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* "192.168.1.0/24" -> .1 bis .254, "10.0.0.0/22" -> 1022 Hosts usw.
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* Ohne Praefix wird /24 angenommen. Netz- und Broadcast-Adresse sind
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* ausgenommen (ausser /31, /32). Leer bei ungueltig oder > /16.
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*/
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private fun hostsInSubnet(cidr: String): List<Int> {
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val parts = cidr.trim().split('/')
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val ipInt = ipv4ToInt(parts[0].trim()) ?: return emptyList()
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val prefix = if (parts.size > 1) (parts[1].trim().toIntOrNull() ?: 24) else 24
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if (prefix < 0 || prefix > 32) return emptyList()
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val mask = if (prefix == 0) 0 else (-1 shl (32 - prefix))
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val network = ipInt and mask
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val broadcast = network or mask.inv()
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val out = ArrayList<Int>()
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if (prefix >= 31) {
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var i = network
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while (true) { out.add(i); if (i == broadcast) break; i++ }
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return out
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}
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val count = (broadcast.toLong() and 0xFFFFFFFFL) - (network.toLong() and 0xFFFFFFFFL) - 1L
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if (count < 1L || count > 65534L) return emptyList()
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var i = network + 1
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val last = broadcast - 1
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while (true) { out.add(i); if (i == last) break; i++ }
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return out
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}
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/** "192.168.1.50" -> 32-Bit-Int (big-endian), null bei ungueltig */
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private fun ipv4ToInt(s: String): Int? {
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val o = s.split('.')
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if (o.size != 4) return null
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var v = 0
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for (part in o) {
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val n = part.toIntOrNull() ?: return null
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if (n < 0 || n > 255) return null
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v = (v shl 8) or n
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}
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return v
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}
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/** 32-Bit-Int (big-endian) -> "192.168.1.50" */
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private fun intToIpv4(i: Int): String =
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"${(i shr 24) and 0xFF}.${(i shr 16) and 0xFF}.${(i shr 8) and 0xFF}.${i and 0xFF}"
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/* --------------------------------------------------------------------- */
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/* Port-Scan */
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/* --------------------------------------------------------------------- */
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Before Width: | Height: | Size: 2.7 KiB After Width: | Height: | Size: 6.1 KiB |
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Before Width: | Height: | Size: 3.4 KiB After Width: | Height: | Size: 12 KiB |
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Before Width: | Height: | Size: 4.2 KiB After Width: | Height: | Size: 7.1 KiB |
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Before Width: | Height: | Size: 1.8 KiB After Width: | Height: | Size: 3.6 KiB |
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Before Width: | Height: | Size: 2.1 KiB After Width: | Height: | Size: 6.8 KiB |
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Before Width: | Height: | Size: 2.7 KiB After Width: | Height: | Size: 4.3 KiB |
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Before Width: | Height: | Size: 3.9 KiB After Width: | Height: | Size: 8.4 KiB |
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Before Width: | Height: | Size: 4.9 KiB After Width: | Height: | Size: 18 KiB |
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Before Width: | Height: | Size: 6.4 KiB After Width: | Height: | Size: 9.8 KiB |
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Before Width: | Height: | Size: 6.5 KiB After Width: | Height: | Size: 14 KiB |
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Before Width: | Height: | Size: 9.6 KiB After Width: | Height: | Size: 30 KiB |
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Before Width: | Height: | Size: 10 KiB After Width: | Height: | Size: 16 KiB |
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Before Width: | Height: | Size: 9.2 KiB After Width: | Height: | Size: 20 KiB |
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Before Width: | Height: | Size: 15 KiB After Width: | Height: | Size: 40 KiB |
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Before Width: | Height: | Size: 16 KiB After Width: | Height: | Size: 23 KiB |
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@ -1,4 +1,4 @@
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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<color name="ic_launcher_background">#FFFFFF</color>
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</resources>
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<color name="ic_launcher_background">#0d1117</color>
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</resources>
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@ -15,11 +15,10 @@ body {
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-webkit-tap-highlight-color: transparent;
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}
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/* Sichere Bereiche (Notch / Statusleiste).
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Enthalten bewusst den Basis-Innenabstand (0.75rem) — sonst überschreibt
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diese Klasse das padding-top/-bottom von Tailwind py-* (unlayered CSS
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schlägt @layer utilities) und der Inhalt klebt an Statusleiste/Notch.
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Elemente daher mit pb-*/px-* statt py-* kombinieren. Siehe KB #551. */
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/* Sichere Bereiche (Notch / Statusleiste): enthalten bewusst den
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Basis-Innenabstand 0.75rem, sonst ueberschreibt diese Klasse das
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Tailwind-Padding und der Inhalt klebt an der Statusleiste. Elemente
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mit pb- und px- kombinieren, nicht mit py-. Siehe KB 551. */
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.safe-top {
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padding-top: calc(0.75rem + env(safe-area-inset-top));
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}
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@ -9,6 +9,7 @@
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*/
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import { scanner } from '../../scanner';
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import { debugLog } from '../../debuglog.svelte';
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import type { Tool } from '../types';
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export const ipScanTool: Tool = {
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@ -58,7 +59,14 @@ export const ipScanTool: Tool = {
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ctx.protocol.subnet = subnet;
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}
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debugLog.add(
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'info',
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`IP-Scan: Dialog-Eingabe="${String(ctx.params.subnet ?? '')}", ` +
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`Protokoll-Subnetz="${String(ctx.protocol.subnet ?? '')}" → ` +
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`gescannt wird "${subnet}" (Quelle: ${source})`,
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);
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const { devices } = await scanner.ipScan({ subnet });
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debugLog.add('info', `IP-Scan Ergebnis: ${devices.length} Geräte in ${subnet}`);
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const via = source === 'adapter' ? ' (Adapter erkannt)' : '';
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return {
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label: `${devices.length} Geräte im Netz ${subnet}${via}`,
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