Quelle SocksProxyVersion.java Sprache: JAVA

/*
* Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/

/*
* @test
* @bug 6964547 5001942 8129444
* @library /test/lib
* @run main/othervm SocksProxyVersion
* @summary test socksProxyVersion system property
*/

import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketException;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Proxy;
import jdk.test.lib.net.IPSupport;

public class SocksProxyVersion implements Runnable {
    final ServerSocket ss;
    volatile boolean failed;
    volatile boolean stopped = false;
    volatile int expected;

    public static void main(String[] args) throws Exception {
        if (InetAddress.getLocalHost().isLoopbackAddress()) {
            System.out.println("Test cannot run. getLocalHost returns a loopback address");
            return;
        }
        new SocksProxyVersion();
    }

    public SocksProxyVersion() throws Exception {
        ss = new ServerSocket(0, 0, InetAddress.getLocalHost());
        int port = ss.getLocalPort();
        Thread serverThread = new Thread(this);
        serverThread.start();
        try (ServerSocket socket = ss) {
            runTest(port);
        } finally {
            stopped = true;
        }

        serverThread.join();
        if (failed) {
            throw new RuntimeException("socksProxyVersion not being set correctly");
        }
    }

    final void runTest(int port) throws Exception {
        /*
         * Retrieving the IP Address of the machine
         * since "localhost" is bypassed as a non-proxy host
         */
        String addr = InetAddress.getLocalHost().getHostAddress();

        System.setProperty("socksProxyHost", addr);
        System.setProperty("socksProxyPort", Integer.toString(port));

        Proxy proxy = new Proxy(Proxy.Type.SOCKS,
                                new InetSocketAddress(addr, port));

        if (IPSupport.hasIPv4()) {
            // SOCKS V4 (requires IPv4)
            System.setProperty("socksProxyVersion", "4");
            this.expected = 4;
            check(new Socket(), addr, port);
            check(new Socket(proxy), addr, port);
        }

        // SOCKS V5
        System.setProperty("socksProxyVersion", "5");
        this.expected = 5;
        check(new Socket(), addr, port);
        check(new Socket(proxy), addr, port);
    }

    private void check(Socket socket, String addr, int port)
        throws IOException
    {
        try (Socket s = socket) {
            socket.connect(new InetSocketAddress(addr, port));
        } catch (SocketException e) {
            // java.net.SocketException: Malformed reply from SOCKS server
            // This exception is OK, since the "server" does not implement
            // the socks protocol. It just verifies the version and closes.
        }
    }

    @Override
    public void run() {
        int count = 0;
        try {
            while (!stopped) {
                try (Socket s = ss.accept()) {
                    int version = (s.getInputStream()).read();
                    if (version != expected) {
                        System.out.printf("Iteration: %d, Got: %d, expected: %d%n",
                                          count, version, expected);
                        failed = true;
                    }
                }
                count++;
            }
        } catch (IOException e) {
            if (!ss.isClosed()) {
                e.printStackTrace();
            }
            // ignore, server socket was closed
        }
    }
}

quality86%

¤ Dauer der Verarbeitung: 0.10 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.