Examples with Connection com.trilead.ssh2.Connection used on opensource projects

Example 26 with Connection

use of com.trilead.ssh2.Connection in project cloudstack by apache.

the class SshHelper method scpTo.

public static void scpTo(String host, int port, String user, File pemKeyFile, String password, String remoteTargetDirectory, String localFile, String fileMode, int connectTimeoutInMs, int kexTimeoutInMs) throws Exception {
    com.trilead.ssh2.Connection conn = null;
    com.trilead.ssh2.SCPClient scpClient = null;
    try {
        conn = new com.trilead.ssh2.Connection(host, port);
        conn.connect(null, connectTimeoutInMs, kexTimeoutInMs);
        if (pemKeyFile == null) {
            if (!conn.authenticateWithPassword(user, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        } else {
            if (!conn.authenticateWithPublicKey(user, pemKeyFile, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        }
        scpClient = conn.createSCPClient();
        if (fileMode != null)
            scpClient.put(localFile, remoteTargetDirectory, fileMode);
        else
            scpClient.put(localFile, remoteTargetDirectory);
    } finally {
        if (conn != null)
            conn.close();
    }
}

Example 27 with Connection

use of com.trilead.ssh2.Connection in project cloudstack by apache.

the class SshHelper method openConnectionSession.

/**
     * It gets a {@link Session} from the given {@link Connection}; then, it waits
     * {@value #WAITING_OPEN_SSH_SESSION} milliseconds before returning the session, given a time to
     * ensure that the connection is open before proceeding the execution.
     */
protected static Session openConnectionSession(Connection conn) throws IOException, InterruptedException {
    Session sess = conn.openSession();
    Thread.sleep(WAITING_OPEN_SSH_SESSION);
    return sess;
}

Example 28 with Connection

use of com.trilead.ssh2.Connection in project cloudstack by apache.

the class SshHelper method scpTo.

public static void scpTo(String host, int port, String user, File pemKeyFile, String password, String remoteTargetDirectory, byte[] data, String remoteFileName, String fileMode, int connectTimeoutInMs, int kexTimeoutInMs) throws Exception {
    com.trilead.ssh2.Connection conn = null;
    com.trilead.ssh2.SCPClient scpClient = null;
    try {
        conn = new com.trilead.ssh2.Connection(host, port);
        conn.connect(null, connectTimeoutInMs, kexTimeoutInMs);
        if (pemKeyFile == null) {
            if (!conn.authenticateWithPassword(user, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        } else {
            if (!conn.authenticateWithPublicKey(user, pemKeyFile, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        }
        scpClient = conn.createSCPClient();
        if (fileMode != null)
            scpClient.put(data, remoteFileName, remoteTargetDirectory, fileMode);
        else
            scpClient.put(data, remoteFileName, remoteTargetDirectory);
    } finally {
        if (conn != null)
            conn.close();
    }
}

Example 29 with Connection

use of com.trilead.ssh2.Connection in project cloudstack by apache.

the class SshHelper method sshExecute.

public static Pair<Boolean, String> sshExecute(String host, int port, String user, File pemKeyFile, String password, String command, int connectTimeoutInMs, int kexTimeoutInMs, int waitResultTimeoutInMs) throws Exception {
    com.trilead.ssh2.Connection conn = null;
    com.trilead.ssh2.Session sess = null;
    try {
        conn = new com.trilead.ssh2.Connection(host, port);
        conn.connect(null, connectTimeoutInMs, kexTimeoutInMs);
        if (pemKeyFile == null) {
            if (!conn.authenticateWithPassword(user, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        } else {
            if (!conn.authenticateWithPublicKey(user, pemKeyFile, password)) {
                String msg = "Failed to authentication SSH user " + user + " on host " + host;
                s_logger.error(msg);
                throw new Exception(msg);
            }
        }
        sess = openConnectionSession(conn);
        sess.execCommand(command);
        InputStream stdout = sess.getStdout();
        InputStream stderr = sess.getStderr();
        byte[] buffer = new byte[8192];
        StringBuffer sbResult = new StringBuffer();
        int currentReadBytes = 0;
        while (true) {
            throwSshExceptionIfStdoutOrStdeerIsNull(stdout, stderr);
            if ((stdout.available() == 0) && (stderr.available() == 0)) {
                int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF | ChannelCondition.EXIT_STATUS, waitResultTimeoutInMs);
                throwSshExceptionIfConditionsTimeout(conditions);
                if ((conditions & ChannelCondition.EXIT_STATUS) != 0) {
                    break;
                }
                if (canEndTheSshConnection(waitResultTimeoutInMs, sess, conditions)) {
                    break;
                }
            }
            while (stdout.available() > 0) {
                currentReadBytes = stdout.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
            while (stderr.available() > 0) {
                currentReadBytes = stderr.read(buffer);
                sbResult.append(new String(buffer, 0, currentReadBytes));
            }
        }
        String result = sbResult.toString();
        if (StringUtils.isBlank(result)) {
            try {
                result = IOUtils.toString(stdout, StandardCharsets.UTF_8);
            } catch (IOException e) {
                s_logger.error("Couldn't get content of input stream due to: " + e.getMessage());
                return new Pair<Boolean, String>(false, result);
            }
        }
        if (sess.getExitStatus() == null) {
            //Exit status is NOT available. Returning failure result.
            s_logger.error(String.format("SSH execution of command %s has no exit status set. Result output: %s", command, result));
            return new Pair<Boolean, String>(false, result);
        }
        if (sess.getExitStatus() != null && sess.getExitStatus().intValue() != 0) {
            s_logger.error(String.format("SSH execution of command %s has an error status code in return. Result output: %s", command, result));
            return new Pair<Boolean, String>(false, result);
        }
        return new Pair<Boolean, String>(true, result);
    } finally {
        if (sess != null)
            sess.close();
        if (conn != null)
            conn.close();
    }
}

Example 30 with Connection

use of com.trilead.ssh2.Connection in project cloudstack by apache.

the class SshHelperTest method openConnectionSessionTest.

@Test
public void openConnectionSessionTest() throws IOException, InterruptedException {
    Connection conn = Mockito.mock(Connection.class);
    PowerMockito.mockStatic(Thread.class);
    SshHelper.openConnectionSession(conn);
    Mockito.verify(conn).openSession();
    PowerMockito.verifyStatic();
    Thread.sleep(Mockito.anyLong());
}