Examples of com.jcraft.jsch.Session

com.jcraft.jsch.Session

    }


    protected Session createSession() throws JSchException {
        JSchLogger.init();
        JSch sch = new JSch();
        Session session = sch.getSession("sshd", "localhost", sshPort);
        session.setUserInfo(new SimpleUserInfo("sshd"));
        session.connect();
        return session;
    }

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        }
    }


    @Test
    public void testRemoteForwarding() throws Exception {
        Session session = createSession();


        int forwardedPort = getFreePort();
        session.setPortForwardingR(forwardedPort, "localhost", echoPort);
        Thread.sleep(100);


        Socket s = new Socket("localhost", forwardedPort);
        s.getOutputStream().write("Hello".getBytes());
        s.getOutputStream().flush();
        byte[] buf = new byte[1024];
        int n = s.getInputStream().read(buf);
        String res = new String(buf, 0, n);
        assertEquals("Hello", res);
        s.close();


        session.delPortForwardingR(forwardedPort);
        session.disconnect();
    }

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        session.close(false).await();
    }


    @Test
    public void testLocalForwarding() throws Exception {
        Session session = createSession();


        int forwardedPort = getFreePort();
        session.setPortForwardingL(forwardedPort, "localhost", echoPort);


        Socket s = new Socket("localhost", forwardedPort);
        s.getOutputStream().write("Hello".getBytes());
        s.getOutputStream().flush();
        byte[] buf = new byte[1024];
        int n = s.getInputStream().read(buf);
        String res = new String(buf, 0, n);
        assertEquals("Hello", res);
        s.close();


        session.delPortForwardingL(forwardedPort);
        session.disconnect();
    }

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        session.close(false).await();
    }


    @Test(timeout = 20000)
    public void testRemoteForwardingWithDisconnect() throws Exception {
        Session session = createSession();


        // 1. Create a Port Forward
        int forwardedPort = getFreePort();
        session.setPortForwardingR(forwardedPort, "localhost", echoPort);


        // 2. Establish a connection through it
        new Socket("localhost", forwardedPort);


        // 3. Simulate the client going away
        rudelyDisconnectJschSession(session);


        // 4. Make sure the NIOprocessor is not stuck
        {
            Thread.sleep(1000);
            // from here, we need to check all the threads running and find a
            // "NioProcessor-"
            // that is stuck on a PortForward.dispose
            ThreadGroup root = Thread.currentThread().getThreadGroup().getParent();
            while (root.getParent() != null) {
                root = root.getParent();
            }
            boolean stuck;
            do {
                stuck = false;
                for (Thread t : findThreads(root, "NioProcessor-")) {
                    stuck = true;
                }
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {


                }
            } while (stuck);
        }


        session.delPortForwardingR(forwardedPort);
        session.disconnect();
    }

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    }


    protected Session createSession() throws JSchException {
        JSchLogger.init();
        JSch sch = new JSch();
        Session session = sch.getSession("sshd", "localhost", sshPort);
        session.setUserInfo(new SimpleUserInfo("sshd"));
        session.connect();
        return session;
    }

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        if (isNotEmpty(sftpConfig.getKnownHostsFile())) {
            LOG.debug("Using knownhosts file: {}", sftpConfig.getKnownHostsFile());
            jsch.setKnownHosts(sftpConfig.getKnownHostsFile());
        }


        final Session session = jsch.getSession(configuration.getUsername(), configuration.getHost(), configuration.getPort());


        if (isNotEmpty(sftpConfig.getStrictHostKeyChecking())) {
            LOG.debug("Using StrickHostKeyChecking: {}", sftpConfig.getStrictHostKeyChecking());
            session.setConfig("StrictHostKeyChecking", sftpConfig.getStrictHostKeyChecking());
        }
        
        session.setServerAliveInterval(sftpConfig.getServerAliveInterval());
        session.setServerAliveCountMax(sftpConfig.getServerAliveCountMax());


        // compression
        if (sftpConfig.getCompression() > 0) {
            LOG.debug("Using compression: {}", sftpConfig.getCompression());
            session.setConfig("compression.s2c", "zlib@openssh.com, zlib, none");
            session.setConfig("compression.c2s", "zlib@openssh.com, zlib, none");
            session.setConfig("compression_level", Integer.toString(sftpConfig.getCompression()));
        }


        // set user information
        session.setUserInfo(new ExtendedUserInfo() {
            public String getPassphrase() {
                return null;
            }


            public String getPassword() {

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        if (!userInfo.getTrust() && knownHosts != null) {
            log("Using known hosts: " + knownHosts, Project.MSG_DEBUG);
            jsch.setKnownHosts(knownHosts);
        }


        Session session = jsch.getSession(userInfo.getName(), host, port);
        session.setUserInfo(userInfo);
        log("Connecting to " + host + ":" + port);
        session.connect();
        return session;
    }

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    private void download(String fromSshUri, String toPath)
        throws JSchException, IOException {
        String file = parseUri(fromSshUri);


        Session session = null;
        try {
            session = openSession();
            ScpFromMessage message = null;
            if (!isSftp) {
                message =
                    new ScpFromMessage(getVerbose(), session, file,
                                       getProject().resolveFile(toPath),
                                       fromSshUri.endsWith("*"));
            } else {
                message =
                    new ScpFromMessageBySftp(getVerbose(), session, file,
                                             getProject().resolveFile(toPath),
                                             fromSshUri.endsWith("*"));
            }
            log("Receiving file: " + file);
            message.setLogListener(this);
            message.execute();
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }

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    private void upload(List fileSet, String toSshUri)
        throws IOException, JSchException {
        String file = parseUri(toSshUri);


        Session session = null;
        try {
            List list = new ArrayList(fileSet.size());
            for (Iterator i = fileSet.iterator(); i.hasNext();) {
                FileSet set = (FileSet) i.next();
                Directory d = createDirectory(set);
                if (d != null) {
                    list.add(d);
                }
            }
            if (!list.isEmpty()) {
                session = openSession();
                ScpToMessage message = null;
                if (!isSftp) {
                    message = new ScpToMessage(getVerbose(), session,
                                               list, file);
                } else {
                    message = new ScpToMessageBySftp(getVerbose(), session,
                                                     list, file);
                }
                message.setLogListener(this);
                message.execute();
            }
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }

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    private void upload(String fromPath, String toSshUri)
        throws IOException, JSchException {
        String file = parseUri(toSshUri);


        Session session = null;
        try {
            session = openSession();
            ScpToMessage message = null;
            if (!isSftp) {
                message =
                    new ScpToMessage(getVerbose(), session,
                                     getProject().resolveFile(fromPath), file);
            } else {
                message =
                    new ScpToMessageBySftp(getVerbose(), session,
                                           getProject().resolveFile(fromPath),
                                           file);
            }
            message.setLogListener(this);
            message.execute();
        } finally {
            if (session != null) {
                session.disconnect();
            }
        }
    }

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