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

Example 31 with JSch

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

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

the class SparkBatchDebugSession method factory.

/**
     * Create a SparkBatchDebugSession instance for specified host and user
     *
     * @param host The SSH host
     * @param user The SSH user
     * @return an SparkBatchDebugSession instance
     * @throws JSchException JSch operation exceptions
     */
public static SparkBatchDebugSession factory(String host, String user) throws JSchException {
    JSch jsch = new JSch();
    Session session = jsch.getSession(user, host);
    java.util.Properties config = new java.util.Properties() {

        {
            put("StrictHostKeyChecking", "no");
        }
    };
    session.setConfig(config);
    return new SparkBatchDebugSession(jsch, session);
}

Example 33 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 34 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 35 with JSch

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

the class StartNodeCallableImpl method call.

/** {@inheritDoc} */
@Override
public ClusterStartNodeResult call() {
    JSch ssh = new JSch();
    Session ses = null;
    try {
        if (spec.key() != null)
            ssh.addIdentity(spec.key().getAbsolutePath());
        ses = ssh.getSession(spec.username(), spec.host(), spec.port());
        if (spec.password() != null)
            ses.setPassword(spec.password());
        ses.setConfig("StrictHostKeyChecking", "no");
        ses.connect(timeout);
        boolean win = isWindows(ses);
        char separator = win ? '\\' : '/';
        spec.fixPaths(separator);
        String igniteHome = spec.igniteHome();
        if (igniteHome == null)
            igniteHome = win ? DFLT_IGNITE_HOME_WIN : DFLT_IGNITE_HOME_LINUX;
        String script = spec.script();
        if (script == null)
            script = DFLT_SCRIPT_LINUX;
        String cfg = spec.configuration();
        if (cfg == null)
            cfg = "";
        String startNodeCmd;
        String scriptOutputFileName = FILE_NAME_DATE_FORMAT.format(new Date()) + '-' + UUID.randomUUID().toString().substring(0, 8) + ".log";
        if (win)
            throw new UnsupportedOperationException("Apache Ignite cannot be auto-started on Windows from IgniteCluster.startNodes(…) API.");
        else {
            // Assume Unix.
            int spaceIdx = script.indexOf(' ');
            String scriptPath = spaceIdx > -1 ? script.substring(0, spaceIdx) : script;
            String scriptArgs = spaceIdx > -1 ? script.substring(spaceIdx + 1) : "";
            String rmtLogArgs = buildRemoteLogArguments(spec.username(), spec.host());
            String tmpDir = env(ses, "$TMPDIR", "/tmp/");
            String scriptOutputDir = tmpDir + "ignite-startNodes";
            shell(ses, "mkdir " + scriptOutputDir);
            // Mac os don't support ~ in double quotes. Trying get home path from remote system.
            if (igniteHome.startsWith("~")) {
                String homeDir = env(ses, "$HOME", "~");
                igniteHome = igniteHome.replaceFirst("~", homeDir);
            }
            startNodeCmd = new SB().a("nohup ").a("\"").a(igniteHome).a('/').a(scriptPath).a("\"").a(" ").a(scriptArgs).a(!cfg.isEmpty() ? " \"" : "").a(cfg).a(!cfg.isEmpty() ? "\"" : "").a(rmtLogArgs).a(" > ").a(scriptOutputDir).a("/").a(scriptOutputFileName).a(" 2>& 1 &").toString();
        }
        info("Starting remote node with SSH command: " + startNodeCmd, spec.logger(), log);
        shell(ses, startNodeCmd);
        return new ClusterStartNodeResultImpl(spec.host(), true, null);
    } catch (IgniteInterruptedCheckedException e) {
        return new ClusterStartNodeResultImpl(spec.host(), false, e.getMessage());
    } catch (Exception e) {
        return new ClusterStartNodeResultImpl(spec.host(), false, X.getFullStackTrace(e));
    } finally {
        if (ses != null && ses.isConnected())
            ses.disconnect();
    }
}