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

Example 31 with JSchException

use of com.jcraft.jsch.JSchException 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 32 with JSchException

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

the class SSHClient method scpTo.

/**
   *
   * @param user
   * @param host
   * @param keyFile
   * @param lfile
   * @param rfile
   */
public static void scpTo(String user, String host, File keyFile, String lfile, String rfile) {
    if (verbose) {
        System.out.println("Remote copy file from " + lfile + " to " + host + "@" + user + ":" + rfile);
    }
    FileInputStream fis = null;
    try {
        JSch jsch = new JSch();
        Session session = authenticateWithKey(jsch, user, host, keyFile);
        // username and password will be given via UserInfo interface.
        UserInfo ui = new UserInfoPrompted();
        session.setUserInfo(ui);
        session.connect();
        boolean ptimestamp = true;
        // exec 'scp -t rfile' remotely
        String command = "scp " + (ptimestamp ? "-p" : "") + " -t " + rfile;
        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();
        int ack = checkAck(in);
        if (ack != 0) {
            System.out.println("ACK was " + ack);
            return;
        }
        File _lfile = new File(lfile);
        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();
            ack = checkAck(in);
            if (ack != 0) {
                System.out.println("ACK was " + ack);
                return;
            }
        }
        // send "C0644 filesize filename", where filename should not include '/'
        long filesize = _lfile.length();
        command = "C0644 " + filesize + " ";
        if (lfile.lastIndexOf('/') > 0) {
            command += lfile.substring(lfile.lastIndexOf('/') + 1);
        } else {
            command += lfile;
        }
        command += "\n";
        out.write(command.getBytes());
        out.flush();
        ack = checkAck(in);
        if (ack != 0) {
            System.out.println("ACK was " + ack);
            return;
        }
        // send a content of lfile
        fis = new FileInputStream(lfile);
        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();
        ack = checkAck(in);
        if (ack != 0) {
            System.out.println("ACK was " + ack);
            return;
        }
        out.close();
        channel.disconnect();
        session.disconnect();
    } catch (JSchException | IOException e) {
        GNSConfig.getLogger().severe(e.toString());
        try {
            if (fis != null) {
                fis.close();
            }
        } catch (Exception ee) {
        }
    }
}

Example 33 with JSchException

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

the class SSHClient method exec.

/**
   *
   * @param user
   * @param host
   * @param keyFile
   * @param command
   * @param useSudo
   * @param sudoPasswd
   */
public static void exec(String user, String host, File keyFile, String command, boolean useSudo, String sudoPasswd) {
    if (verbose) {
        System.out.println("Remote execute command on " + host + (useSudo ? " as root user: " : " as user " + user + ": ") + command);
    }
    try {
        JSch jsch = new JSch();
        Session session = authenticateWithKey(jsch, user, host, keyFile);
        // username and password will be given via UserInfo interface.
        UserInfo ui = new UserInfoPrompted();
        session.setUserInfo(ui);
        session.connect();
        if (command == null) {
            command = JOptionPane.showInputDialog("Enter command", "set|grep SSH");
        }
        Channel channel = session.openChannel("exec");
        if (useSudo && sudoPasswd != null) {
            ((ChannelExec) channel).setCommand("sudo -S -p '' " + command);
        } else if (useSudo) {
            ((ChannelExec) channel).setCommand("sudo -p '' " + command);
        } else {
            ((ChannelExec) channel).setCommand(command);
        }
        //      if (useSudo) {
        //        ((ChannelExec) channel).setCommand("sudo -S -p '' " + command);
        //      } else {
        //        ((ChannelExec) channel).setCommand(command);
        //      }
        // ??? NOT SURE WHY THIS IS HERE
        channel.setInputStream(null);
        InputStream in = channel.getInputStream();
        // prep the out channel so we can give a password if it is needed
        OutputStream out = null;
        if (useSudo && sudoPasswd != null) {
            out = channel.getOutputStream();
        }
        ((ChannelExec) channel).setErrStream(System.err);
        // WESTY ADDED THIS *****
        if (useSudo) {
            // fixes "you must have a tty to sudo" problem
            ((ChannelExec) channel).setPty(true);
        }
        channel.connect();
        // suppply the password for sudo
        if (out != null) {
            out.write((sudoPasswd + "\n").getBytes());
            out.flush();
        }
        byte[] tmp = new byte[MAXCOMMANDBYTES];
        while (true) {
            while (in.available() > 0) {
                int i = in.read(tmp, 0, MAXCOMMANDBYTES);
                if (i < 0) {
                    break;
                }
                if (!verbose) {
                    System.out.print("o");
                } else {
                    System.out.print(new String(tmp, 0, i));
                }
            }
            if (channel.isClosed()) {
                GNSConfig.getLogger().log(Level.FINE, "exit status: {0}", channel.getExitStatus());
                break;
            }
            try {
                Thread.sleep(1000);
            } catch (Exception ee) {
            }
        }
        channel.disconnect();
        session.disconnect();
    } catch (JSchException | IOException e) {
        e.printStackTrace();
        GNSConfig.getLogger().severe(e.toString());
    }
}

Example 34 with JSchException

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

the class SFTPUpload method localFileNewer.

/**
   *
   * @param user
   * @param host
   * @param keyFile
   * @param fileToTransfer
   * @param sftpWorkingDirectory
   * @return true if the local file is newer
   */
public static boolean localFileNewer(String user, String host, File keyFile, String fileToTransfer, String sftpWorkingDirectory) {
    if (verbose) {
        System.out.println("Local File Newer Check " + fileToTransfer + " to " + host + "@" + user + " " + sftpWorkingDirectory);
    }
    try {
        ChannelSftp channelSftp = authenticateSftp(user, host, keyFile);
        Path paths = Paths.get(fileToTransfer);
        String localDir = paths.getParent().toString();
        channelSftp.cd(sftpWorkingDirectory);
        channelSftp.lcd(localDir);
        SftpATTRS remoteAttributes = channelSftp.stat(paths.getFileName().toString());
        long localTime = new File(fileToTransfer).lastModified();
        long remoteTime = remoteAttributes.getMTime() * 1000L;
        if (verbose) {
            System.out.println("L: " + localDir + " R: " + sftpWorkingDirectory + "\n" + "Local time = " + localTime + " Remote time = " + remoteTime);
        }
        if (verbose) {
            System.out.println("Result " + (localTime > remoteTime));
        }
        return localTime > remoteTime;
    } catch (JSchException | SftpException e) {
        System.out.println("Exception while checking for file newer:" + e);
        return false;
    }
}

Example 35 with JSchException

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

the class SFTPUpload method uploadFile.

/**
   *
   * @param user
   * @param host
   * @param keyFile
   * @param fileToTransfer
   * @param sftpWorkingDirectory
   */
public static void uploadFile(String user, String host, File keyFile, String fileToTransfer, String sftpWorkingDirectory) {
    if (verbose) {
        System.out.println("Upload file from " + fileToTransfer + " to " + host + "@" + user + " " + sftpWorkingDirectory);
    }
    try {
        ChannelSftp channelSftp = authenticateSftp(user, host, keyFile);
        File f = new File(fileToTransfer);
        channelSftp.put(new FileInputStream(f), f.getName());
    } catch (JSchException | SftpException | FileNotFoundException e) {
        System.out.println("Exception while uploading file:" + e);
    }
}