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Merge pull request #145 from osociety/arp-table-improved
More devices on scan using ARP (Lin/Mac/Win)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| import 'dart:convert'; | ||
| import 'dart:io'; | ||
|
|
||
| import 'package:logging/logging.dart'; | ||
| import 'package:network_tools/src/models/arp_data.dart'; | ||
| import 'package:path/path.dart'; | ||
| import 'package:sqflite_common_ffi/sqflite_ffi.dart'; | ||
|
|
||
| class ARPTable { | ||
| static final arpLogger = Logger("arp-table-logger"); | ||
| static const String tableName = 'ARPPackets'; | ||
| static const String columnName = 'iPAddress'; | ||
|
|
||
| static Future<List<String>?> entries() async { | ||
| final list = (await (await _db()).query(tableName, columns: [columnName])) | ||
| .map((e) => ARPData.fromJson(e).iPAddress.toString()) | ||
| .toList(); | ||
| return list; | ||
| } | ||
|
|
||
| static Future<ARPData?> entryFor(String address) async { | ||
| arpLogger.fine('Trying to fetch arp table entry for $address'); | ||
| final entries = (await (await _db()) | ||
| .query(tableName, where: '$columnName = ?', whereArgs: [address])) | ||
| .map((e) => ARPData.fromJson(e)) | ||
| .toList(); | ||
| if (entries.isNotEmpty) { | ||
| return entries.first; | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| static Future<Database> _db() async { | ||
| sqfliteFfiInit(); | ||
| final databaseFactory = databaseFactoryFfi; | ||
| final databasesPath = await databaseFactory.getDatabasesPath(); | ||
| final path = join(databasesPath, 'localarp.db'); | ||
| return databaseFactory.openDatabase( | ||
| path, | ||
| options: OpenDatabaseOptions( | ||
| version: 4, | ||
| singleInstance: false, | ||
| onCreate: (db, version) async { | ||
| await db.execute(''' | ||
| CREATE TABLE IF NOT EXISTS $tableName ( | ||
| host TEXT, | ||
| iPAddress TEXT PRIMARY KEY UNIQUE, | ||
| macAddress TEXT, | ||
| interfaceName TEXT, | ||
| interfaceType TEXT) | ||
| '''); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| static Future<void> buildTable() async { | ||
| final database = await _db(); | ||
| final result = await Process.run('arp', ['-a']); | ||
| final entries = const LineSplitter().convert(result.stdout.toString()); | ||
| RegExp? pattern; | ||
| if (Platform.isMacOS) { | ||
| pattern = RegExp( | ||
| r'(?<host>[\w.?]*)\s\((?<ip>.*)\)\sat\s(?<mac>.*)\son\s(?<intf>\w+)\sifscope\s*(\w*)\s*\[(?<typ>.*)\]', | ||
| ); | ||
| } else if (Platform.isLinux) { | ||
| pattern = RegExp( | ||
| r'(?<host>[\w.?]*)\s\((?<ip>.*)\)\sat\s(?<mac>.*)\s\[(?<typ>.*)\]\son\s(?<intf>\w+)', | ||
| ); | ||
| } else { | ||
| pattern = RegExp(r'(?<ip>.*)\s(?<mac>.*)\s(?<typ>.*)'); | ||
| } | ||
|
|
||
| for (final entry in entries) { | ||
| final match = pattern.firstMatch(entry); | ||
| if (match != null) { | ||
| final arpData = ARPData( | ||
| host: match.groupNames.contains('host') | ||
| ? match.namedGroup("host") | ||
| : null, | ||
| iPAddress: match.namedGroup("ip"), | ||
| macAddress: match.namedGroup("mac"), | ||
| interfaceName: match.groupNames.contains('intf') | ||
| ? match.namedGroup("intf") | ||
| : null, | ||
| interfaceType: match.namedGroup("typ"), | ||
| ); | ||
| final key = arpData.iPAddress; | ||
| if (key != null && arpData.macAddress != '(incomplete)') { | ||
| arpLogger.fine("Adding entry to table -> $arpData"); | ||
| await database.insert( | ||
| tableName, | ||
| arpData.toJson(), | ||
| conflictAlgorithm: ConflictAlgorithm.replace, | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| import 'dart:io'; | ||
|
|
||
| class NetInterface { | ||
| NetInterface({ | ||
| required this.networkId, | ||
| required this.hostId, | ||
| required this.ipAddress, | ||
| }); | ||
|
|
||
| final String networkId; | ||
| final int hostId; | ||
| final String ipAddress; | ||
|
|
||
| static Future<NetInterface?> localInterface() async { | ||
| final interfaceList = | ||
| await NetworkInterface.list(); //will give interface list | ||
| if (interfaceList.isNotEmpty) { | ||
| final localInterface = | ||
| interfaceList.first; //fetching first interface like en0/eth0 | ||
| if (localInterface.addresses.isNotEmpty) { | ||
| final address = localInterface.addresses | ||
| .elementAt(0) | ||
| .address; //gives IP address of GHA local machine. | ||
| final networkId = address.substring(0, address.lastIndexOf('.')); | ||
| final hostId = int.parse( | ||
| address.substring(address.lastIndexOf('.') + 1, address.length), | ||
| ); | ||
| return NetInterface( | ||
| networkId: networkId, | ||
| hostId: hostId, | ||
| ipAddress: address, | ||
| ); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
| } |
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