Examples with JSch com.jcraft.jsch.JSch used on opensource projects

Example 81 with JSch

use of com.jcraft.jsch.JSch in project GNS by MobilityFirst.

the class UserAuthPubKey method main.

/**
   *
   * @param arg
   */
public static void main(String[] arg) {
    try {
        JSch jsch = new JSch();
        JFileChooser chooser = new JFileChooser();
        chooser.setDialogTitle("Choose your privatekey(ex. ~/.ssh/id_dsa)");
        chooser.setFileHidingEnabled(false);
        int returnVal = chooser.showOpenDialog(null);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            System.out.println("You chose " + chooser.getSelectedFile().getAbsolutePath() + ".");
            //			 , "passphrase"
            jsch.addIdentity(//			 , "passphrase"
            chooser.getSelectedFile().getAbsolutePath());
        }
        String host = null;
        if (arg.length > 0) {
            host = arg[0];
        } else {
            host = JOptionPane.showInputDialog("Enter username@hostname", System.getProperty("user.name") + "@localhost");
        }
        String user = host.substring(0, host.indexOf('@'));
        host = host.substring(host.indexOf('@') + 1);
        Session session = jsch.getSession(user, host, 22);
        // username and passphrase will be given via UserInfo interface.
        UserInfo ui = new UserInfoPrompted();
        session.setUserInfo(ui);
        session.connect();
        Channel channel = session.openChannel("shell");
        channel.setInputStream(System.in);
        channel.setOutputStream(System.out);
        channel.connect();
    } catch (HeadlessException | JSchException e) {
        System.out.println(e);
    }
}

Example 82 with JSch

use of com.jcraft.jsch.JSch in project azure-tools-for-java by Microsoft.

the class AddNewEmulatorForm method preEmulatorSetupCheck.

private void preEmulatorSetupCheck() {
    isCarryOnNextStep = true;
    errorMessage = null;
    emulatorSetupLog = new StringBuilder();
    errorMessageField.setText("");
    emulatorLogPanel.setVisible(false);
    clusterName = clusterNameField.getText().trim();
    userName = userNameField.getText().trim();
    password = String.valueOf(passwordField.getPassword());
    livyEndpoint = livyEndpointField.getText().trim().replaceAll("/+$", "");
    sshEndpoint = sshEndpointField.getText().trim().replaceAll("/+$", "");
    sparkHistoryEndpoint = sparkHistoryEndpointField.getText().trim().replaceAll("/+$", "");
    ambariEndpoint = ambariEndpointField.getText().trim().replaceAll("/+$", "");
    try {
        host = new URI(sshEndpoint).getHost();
        sshPort = new URI(sshEndpoint).getPort();
        jsch = new JSch();
        config = new Properties();
        config.put("StrictHostKeyChecking", "no");
    } catch (Exception exception) {
        errorMessage = exception.getMessage();
        isCarryOnNextStep = false;
    }
    if (isCarryOnNextStep && StringHelper.isNullOrWhiteSpace(clusterName) || StringHelper.isNullOrWhiteSpace(sshEndpoint) || StringHelper.isNullOrWhiteSpace(livyEndpoint) || StringHelper.isNullOrWhiteSpace(userName) || StringHelper.isNullOrWhiteSpace(password) || StringHelper.isNullOrWhiteSpace(sparkHistoryEndpoint) || StringHelper.isNullOrWhiteSpace(ambariEndpoint)) {
        errorMessage = "Cluster Name, Endpoint fields, User Name, or Password shouldn't be empty";
        isCarryOnNextStep = false;
    } else if (isCarryOnNextStep && ClusterManagerEx.getInstance().isEmulatorClusterExist(clusterName)) {
        errorMessage = "Cluster Name already exist in current list";
        isCarryOnNextStep = false;
    } else if (isCarryOnNextStep && !checkSshEndpoint()) {
        errorMessage = "Could not ssh to emulator, please check username, password and ssh port.";
        isCarryOnNextStep = false;
    }
}

Example 83 with JSch

use of com.jcraft.jsch.JSch in project voltdb by VoltDB.

the class SSHTools method long_running_command.

public ProcessData long_running_command(String hostname, String[] command, String processName, OutputHandler handler) {
    try {
        JSch jsch = new JSch();
        // Set the private key
        if (null != m_keyFile)
            jsch.addIdentity(m_keyFile);
        Session session = jsch.getSession(m_username, hostname, 22);
        // To avoid the UnknownHostKey issue
        java.util.Properties config = new java.util.Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        // timeout after 5 seconds.
        session.connect(5000);
        return new ProcessData(processName, handler, session, stringify(command));
    } catch (Exception e) {
        e.printStackTrace();
        return null;
    }
}

Example 84 with JSch

use of com.jcraft.jsch.JSch in project voltdb by VoltDB.

the class SSHTools method ScpTo.

// The Jsch method for SCP to.
// This code is direcly copied from the Jsch SCP sample program.
public boolean ScpTo(String local_file, String user, String key, String host, String remote_file) {
    FileInputStream fis = null;
    try {
        boolean ptimestamp = true;
        String command = "scp " + (ptimestamp ? "-p" : "") + " -t " + remote_file;
        cmdLog.debug("CMD: '" + command + "'");
        JSch jsch = new JSch();
        // Set the private key
        if (null != key)
            jsch.addIdentity(key);
        Session session = jsch.getSession(user, host, 22);
        // To avoid the UnknownHostKey issue
        java.util.Properties config = new java.util.Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        // timeout after 5 seconds
        session.connect(5000);
        // exec 'scp -t rfile' remotely
        Channel channel = session.openChannel("exec");
        ((ChannelExec) channel).setCommand(command);
        // get I/O streams for remote scp
        OutputStream out = channel.getOutputStream();
        InputStream in = channel.getInputStream();
        channel.connect();
        if (checkAck(in) != 0) {
            return false;
        }
        File _lfile = new File(local_file);
        if (ptimestamp) {
            command = "T " + (_lfile.lastModified() / 1000) + " 0";
            // The access time should be sent here,
            // but it is not accessible with JavaAPI ;-<
            command += (" " + (_lfile.lastModified() / 1000) + " 0\n");
            out.write(command.getBytes());
            out.flush();
            if (checkAck(in) != 0) {
                return false;
            }
        }
        // send "C0644 filesize filename", where filename should not include '/'
        long filesize = _lfile.length();
        command = "C0644 " + filesize + " ";
        if (local_file.lastIndexOf('/') > 0) {
            command += local_file.substring(local_file.lastIndexOf('/') + 1);
        } else {
            command += local_file;
        }
        command += "\n";
        out.write(command.getBytes());
        out.flush();
        if (checkAck(in) != 0) {
            return false;
        }
        // send a content of lfile
        fis = new FileInputStream(local_file);
        byte[] buf = new byte[1024];
        while (true) {
            int len = fis.read(buf, 0, buf.length);
            if (len <= 0)
                break;
            //out.flush();
            out.write(buf, 0, len);
        }
        fis.close();
        fis = null;
        // send '\0'
        buf[0] = 0;
        out.write(buf, 0, 1);
        out.flush();
        if (checkAck(in) != 0) {
            return false;
        }
        out.close();
        channel.disconnect();
        session.disconnect();
    } catch (Exception e) {
        System.out.println(e);
        try {
            if (fis != null)
                fis.close();
        } catch (Exception ee) {
        }
        return false;
    }
    return true;
}

Example 85 with JSch

use of com.jcraft.jsch.JSch in project nifi by apache.

the class SFTPTransfer method getChannel.

private ChannelSftp getChannel(final FlowFile flowFile) throws IOException {
    if (sftp != null) {
        String sessionhost = session.getHost();
        String desthost = ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue();
        if (sessionhost.equals(desthost)) {
            // destination matches so we can keep our current session
            return sftp;
        } else {
            // this flowFile is going to a different destination, reset session
            close();
        }
    }
    final JSch jsch = new JSch();
    try {
        final String username = ctx.getProperty(USERNAME).evaluateAttributeExpressions(flowFile).getValue();
        final Session session = jsch.getSession(username, ctx.getProperty(HOSTNAME).evaluateAttributeExpressions(flowFile).getValue(), ctx.getProperty(PORT).evaluateAttributeExpressions(flowFile).asInteger().intValue());
        final String hostKeyVal = ctx.getProperty(HOST_KEY_FILE).getValue();
        if (hostKeyVal != null) {
            jsch.setKnownHosts(hostKeyVal);
        }
        final Properties properties = new Properties();
        properties.setProperty("StrictHostKeyChecking", ctx.getProperty(STRICT_HOST_KEY_CHECKING).asBoolean() ? "yes" : "no");
        properties.setProperty("PreferredAuthentications", "publickey,password,keyboard-interactive");
        final PropertyValue compressionValue = ctx.getProperty(FileTransfer.USE_COMPRESSION);
        if (compressionValue != null && "true".equalsIgnoreCase(compressionValue.getValue())) {
            properties.setProperty("compression.s2c", "zlib@openssh.com,zlib,none");
            properties.setProperty("compression.c2s", "zlib@openssh.com,zlib,none");
        } else {
            properties.setProperty("compression.s2c", "none");
            properties.setProperty("compression.c2s", "none");
        }
        session.setConfig(properties);
        final String privateKeyFile = ctx.getProperty(PRIVATE_KEY_PATH).evaluateAttributeExpressions(flowFile).getValue();
        if (privateKeyFile != null) {
            jsch.addIdentity(privateKeyFile, ctx.getProperty(PRIVATE_KEY_PASSPHRASE).evaluateAttributeExpressions(flowFile).getValue());
        }
        final String password = ctx.getProperty(FileTransfer.PASSWORD).evaluateAttributeExpressions(flowFile).getValue();
        if (password != null) {
            session.setPassword(password);
        }
        final int connectionTimeoutMillis = ctx.getProperty(FileTransfer.CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue();
        session.setTimeout(connectionTimeoutMillis);
        session.connect();
        this.session = session;
        this.closed = false;
        sftp = (ChannelSftp) session.openChannel("sftp");
        sftp.connect(connectionTimeoutMillis);
        session.setTimeout(ctx.getProperty(FileTransfer.DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
        if (!ctx.getProperty(USE_KEEPALIVE_ON_TIMEOUT).asBoolean()) {
            // do not send keepalive message on SocketTimeoutException
            session.setServerAliveCountMax(0);
        }
        try {
            this.homeDir = sftp.getHome();
        } catch (SftpException e) {
            // For some combination of server configuration and user home directory, getHome() can fail with "2: File not found"
            // Since  homeDir is only used tor SEND provenance event transit uri, this is harmless. Log and continue.
            logger.debug("Failed to retrieve {} home directory due to {}", new Object[] { username, e.getMessage() });
        }
        return sftp;
    } catch (JSchException e) {
        throw new IOException("Failed to obtain connection to remote host due to " + e.toString(), e);
    }
}