tcp_scanner 1.1.2

TCP port scanner. Scan ports sequentially using connect method.

example/tcp_scanner_example.dart

import 'dart:async';

import 'package:tcp_scanner/tcp_scanner.dart';

main() {
  // HTTP ports scan
  TCPScanner("localhost", [80, 8080, 443]).scan().then((result) {
    print("\nHTTP ports scan result");
    print("Host:          ${result.host}");
    print("Scanned ports: ${result.ports}");
    print("Open ports:    ${result.open}");
    print("Closed ports:  ${result.closed}");
    print("Elapsed time:  ${result.elapsed / 1000}s\n");
  });

  // Scan unreachable ports or hosts with connect timeout 300ms. Default timeout is 100ms.
  TCPScanner("192.168.1.1", [80, 8080, 443], timeout: 300).scan().then((result) {
    print("\nHTTP ports scan result");
    print("Host:          ${result.host}");
    print("Scanned ports: ${result.ports}");
    print("Open ports:    ${result.open}");
    print("Closed ports:  ${result.closed}");
    print("Elapsed time:  ${result.elapsed / 1000}s\n");
  });

  // Scan ports 20 - 1000
  TCPScanner.range("192.168.88.229", 20, 1000).scan().then((result) {
    print("\n20-1000 ports scan result");
    print("Host:           ${result.host}");
    print("Scanned ports:  20-1000");
    print("Open ports:     ${result.open}");
    print("Elapsed time:   ${result.elapsed / 1000}s\n");
  });

  // Scan ports range and display scan progress
  var tcpScanner = TCPScanner.range("127.0.0.1", 20, 50000, updateInterval: Duration(seconds: 1));
  var timer = Timer.periodic(Duration(seconds: 1), (timer) {
    var scanProgress = 100.0 * (tcpScanner.scanResult.scanned.length / tcpScanner.scanResult.ports.length);
    print("Progress ${scanProgress.toStringAsPrecision(3)}%");
  });
  tcpScanner.scan().then((result) {
    timer.cancel();
    print('''
      20-50000 ports scan result
      Host:          ${result.host}
      Scanned ports: 20-50000
      Open ports:    ${result.open}
      Elapsed time:  ${result.elapsed / 1000}s
      ''');
  });

  // Multithreading scan
  var multithreadedScanner = TCPScanner.range("127.0.0.1", 20, 5000, isolates: 5, shuffle: true);
  var multithreadedTimer = Timer.periodic(Duration(seconds: 1), (timer) {
    var scanProgress =
        100.0 * (multithreadedScanner.scanResult.scanned.length / multithreadedScanner.scanResult.ports.length);
    print("Progress ${scanProgress.toStringAsPrecision(3)}%");
  });
  multithreadedScanner.scan().then((result) {
    multithreadedTimer.cancel();
    print('''
    20-50000 ports scan result
    Host:          ${result.host}
    Scanned ports: 20-5000
    Open ports:    ${result.open}
    Elapsed time:  ${result.elapsed / 1000}s
    ''');
  });
}