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1 | !747 |
2 | |
3 | m { |
4 | static int threads = 10; |
5 | static int timeout = 500; // SHOULD be enough... |
6 | static String ip = "127.0.0.1"; |
7 | |
8 | p { |
9 | final ExecutorService es = Executors.newFixedThreadPool(threads); |
10 | print("Port scanning " + ip + " with timeout " + timeout + " ms in " + threads + " threads."); |
11 | startTiming(); |
12 | new List<Future<Integer>> futures; |
13 | for (int port = 1; port <= 65535; port++) { |
14 | futures.add(portIsOpen(es, ip, port, timeout)); |
15 | } |
16 | es.shutdown(); |
17 | new List<Integer> openPorts; |
18 | for (final Future<Integer> f : futures) { |
19 | int port = f.get(); |
20 | if (port != 0) |
21 | openPorts.add(port); |
22 | } |
23 | stopTiming(); |
24 | System.out.println("There are " + openPorts.size() + " open ports on host " + ip + ": " + structure(openPorts)); |
25 | } |
26 | |
27 | public static Future<Integer> portIsOpen(final ExecutorService es, final String ip, final int port, final int timeout) { |
28 | return es.submit(new Callable<Integer>() { |
29 | @Override public Integer call() { |
30 | try { |
31 | Socket socket = new Socket(); |
32 | socket.connect(new InetSocketAddress(ip, port), timeout); |
33 | print("Connected to " + ip + ":" + port); |
34 | socket.close(); |
35 | return port; |
36 | } catch (Exception ex) { |
37 | return 0; |
38 | } |
39 | } |
40 | }); |
41 | } |
42 | } |
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Snippet ID: | #1000796 |
Snippet name: | Port scan! |
Eternal ID of this version: | #1000796/1 |
Text MD5: | 7a9f322d51d978cd9b737c58797d2d4e |
Transpilation MD5: | 6e22e6934ce5cf1e2e8d574c6aa54200 |
Author: | stefan |
Category: | javax |
Type: | JavaX source code |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2015-08-28 16:23:46 |
Source code size: | 1367 bytes / 42 lines |
Pitched / IR pitched: | No / Yes |
Views / Downloads: | 690 / 739 |
Referenced in: | [show references] |