PortScan [1035537]

// TODO: Switch to NIO

srecord noeq PortScan(S ip) {
  settable int numberOfThreads = 10;
  settable double timeout = 10; // seconds
  
  List<Int> openPorts;
  
  ExecutorService es;
  
  run {
    openPorts = new L;
    es = Executors.newFixedThreadPool(numberOfThreads);
    print("Port scanning " + ip + " with timeout " + timeout + " s in " + nThreads(numberOfThreads) + ".");
    new List<Future<Integer>> futures;
    for (int port = 1; port <= 65535; port++) {
      futures.add(portIsOpen(port));
    }
    es.shutdown();
    for (Future<Int> f : futures) {
      int port = f!;
      if (port != 0)
        openPorts.add(port);
    }
  }
  
  L<Int> get aka openPorts() {
    if (openPorts == null) run();
    ret openPorts;
  }

  Future<Int> portIsOpen(int port) {
    ret es.submit(new Callable<Integer>() {
        @Override public Integer call() {
          try {
            new Socket socket;
            socket.connect(new InetSocketAddress(ip, port), toMS_int(timeout));
            print("Connected to " + ip + ":" + port);
            socket.close();
            return port;
          } catch (Exception ex) {
            return 0;
          }
        }
     });
  }
}

Snippet ID:	#1035537
Snippet name:	PortScan
Eternal ID of this version:	#1035537/4
Text MD5:	0cd10c9f950aab87a6d17d1ea0f031d6
Transpilation MD5:	f641ae6fb9997883806b9cb09de22b50
Author:	stefan
Category:	javax
Type:	JavaX fragment (include)
Public (visible to everyone):	Yes
Archived (hidden from active list):	No
Created/modified:	2022-06-05 20:59:37
Source code size:	1237 bytes / 47 lines
Pitched / IR pitched:	No / No
Views / Downloads:	120 / 206
Version history:	3 change(s)
Referenced in:	[show references]

< > BotCompany Repo | #1035537 // PortScan

JavaX fragment (include) [tags: use-pretranspiled]

Author comment

1	// TODO: Switch to NIO
2
3	srecord noeq PortScan(S ip) {
4	settable int numberOfThreads = 10;
5	settable double timeout = 10; // seconds
6
7	List<Int> openPorts;
8
9	ExecutorService es;
10
11	run {
12	openPorts = new L;
13	es = Executors.newFixedThreadPool(numberOfThreads);
14	print("Port scanning " + ip + " with timeout " + timeout + " s in " + nThreads(numberOfThreads) + ".");
15	new List<Future<Integer>> futures;
16	for (int port = 1; port <= 65535; port++) {
17	futures.add(portIsOpen(port));
18	}
19	es.shutdown();
20	for (Future<Int> f : futures) {
21	int port = f!;
22	if (port != 0)
23	openPorts.add(port);
24	}
25	}
26
27	L<Int> get aka openPorts() {
28	if (openPorts == null) run();
29	ret openPorts;
30	}
31
32	Future<Int> portIsOpen(int port) {
33	ret es.submit(new Callable<Integer>() {
34	@Override public Integer call() {
35	try {
36	new Socket socket;
37	socket.connect(new InetSocketAddress(ip, port), toMS_int(timeout));
38	print("Connected to " + ip + ":" + port);
39	socket.close();
40	return port;
41	} catch (Exception ex) {
42	return 0;
43	}
44	}
45	});
46	}
47	}