Ejemplo n.º 1
0
  private void openSession() throws SQLException {
    TOpenSessionReq openReq = new TOpenSessionReq();

    Map<String, String> openConf = new HashMap<String, String>();
    // for remote JDBC client, try to set the conf var using 'set foo=bar'
    for (Entry<String, String> hiveConf : connParams.getHiveConfs().entrySet()) {
      openConf.put("set:hiveconf:" + hiveConf.getKey(), hiveConf.getValue());
    }
    // For remote JDBC client, try to set the hive var using 'set hivevar:key=value'
    for (Entry<String, String> hiveVar : connParams.getHiveVars().entrySet()) {
      openConf.put("set:hivevar:" + hiveVar.getKey(), hiveVar.getValue());
    }
    // switch the database
    openConf.put("use:database", connParams.getDbName());

    // set the session configuration
    Map<String, String> sessVars = connParams.getSessionVars();
    if (sessVars.containsKey(HiveAuthFactory.HS2_PROXY_USER)) {
      openConf.put(HiveAuthFactory.HS2_PROXY_USER, sessVars.get(HiveAuthFactory.HS2_PROXY_USER));
    }
    openReq.setConfiguration(openConf);

    // Store the user name in the open request in case no non-sasl authentication
    if (JdbcConnectionParams.AUTH_SIMPLE.equals(sessConfMap.get(JdbcConnectionParams.AUTH_TYPE))) {
      openReq.setUsername(sessConfMap.get(JdbcConnectionParams.AUTH_USER));
      openReq.setPassword(sessConfMap.get(JdbcConnectionParams.AUTH_PASSWD));
    }

    try {
      TOpenSessionResp openResp = client.OpenSession(openReq);

      // validate connection
      Utils.verifySuccess(openResp.getStatus());
      if (!supportedProtocols.contains(openResp.getServerProtocolVersion())) {
        throw new TException("Unsupported Hive2 protocol");
      }
      protocol = openResp.getServerProtocolVersion();
      sessHandle = openResp.getSessionHandle();
    } catch (TException e) {
      LOG.error("Error opening session", e);
      throw new SQLException(
          "Could not establish connection to " + jdbcUriString + ": " + e.getMessage(),
          " 08S01",
          e);
    }
    isClosed = false;
  }
Ejemplo n.º 2
0
 private boolean isKerberosAuthMode() {
   return !JdbcConnectionParams.AUTH_SIMPLE.equals(sessConfMap.get(JdbcConnectionParams.AUTH_TYPE))
       && sessConfMap.containsKey(JdbcConnectionParams.AUTH_PRINCIPAL);
 }
Ejemplo n.º 3
0
  /**
   * Create transport per the connection options Supported transport options are: - SASL based
   * transports over + Kerberos + Delegation token + SSL + non-SSL - Raw (non-SASL) socket
   *
   * <p>Kerberos and Delegation token supports SASL QOP configurations
   *
   * @throws SQLException, TTransportException
   */
  private TTransport createBinaryTransport() throws SQLException, TTransportException {
    try {
      // handle secure connection if specified
      if (!JdbcConnectionParams.AUTH_SIMPLE.equals(
          sessConfMap.get(JdbcConnectionParams.AUTH_TYPE))) {
        // If Kerberos
        Map<String, String> saslProps = new HashMap<String, String>();
        SaslQOP saslQOP = SaslQOP.AUTH;
        if (sessConfMap.containsKey(JdbcConnectionParams.AUTH_QOP)) {
          try {
            saslQOP = SaslQOP.fromString(sessConfMap.get(JdbcConnectionParams.AUTH_QOP));
          } catch (IllegalArgumentException e) {
            throw new SQLException(
                "Invalid " + JdbcConnectionParams.AUTH_QOP + " parameter. " + e.getMessage(),
                "42000",
                e);
          }
          saslProps.put(Sasl.QOP, saslQOP.toString());
        } else {
          // If the client did not specify qop then just negotiate the one supported by server
          saslProps.put(Sasl.QOP, "auth-conf,auth-int,auth");
        }
        saslProps.put(Sasl.SERVER_AUTH, "true");
        if (sessConfMap.containsKey(JdbcConnectionParams.AUTH_PRINCIPAL)) {
          transport =
              KerberosSaslHelper.getKerberosTransport(
                  sessConfMap.get(JdbcConnectionParams.AUTH_PRINCIPAL),
                  host,
                  HiveAuthFactory.getSocketTransport(host, port, loginTimeout),
                  saslProps,
                  assumeSubject);
        } else {
          // If there's a delegation token available then use token based connection
          String tokenStr = getClientDelegationToken(sessConfMap);
          if (tokenStr != null) {
            transport =
                KerberosSaslHelper.getTokenTransport(
                    tokenStr,
                    host,
                    HiveAuthFactory.getSocketTransport(host, port, loginTimeout),
                    saslProps);
          } else {
            // we are using PLAIN Sasl connection with user/password
            String userName = getUserName();
            String passwd = getPassword();
            // Note: Thrift returns an SSL socket that is already bound to the specified host:port
            // Therefore an open called on this would be a no-op later
            // Hence, any TTransportException related to connecting with the peer are thrown here.
            // Bubbling them up the call hierarchy so that a retry can happen in openTransport,
            // if dynamic service discovery is configured.
            if (isSslConnection()) {
              // get SSL socket
              String sslTrustStore = sessConfMap.get(JdbcConnectionParams.SSL_TRUST_STORE);
              String sslTrustStorePassword =
                  sessConfMap.get(JdbcConnectionParams.SSL_TRUST_STORE_PASSWORD);

              if (sslTrustStore == null || sslTrustStore.isEmpty()) {
                transport = HiveAuthFactory.getSSLSocket(host, port, loginTimeout);
              } else {
                transport =
                    HiveAuthFactory.getSSLSocket(
                        host, port, loginTimeout, sslTrustStore, sslTrustStorePassword);
              }
            } else {
              // get non-SSL socket transport
              transport = HiveAuthFactory.getSocketTransport(host, port, loginTimeout);
            }
            // Overlay the SASL transport on top of the base socket transport (SSL or non-SSL)
            transport = PlainSaslHelper.getPlainTransport(userName, passwd, transport);
          }
        }
      } else {
        // Raw socket connection (non-sasl)
        transport = HiveAuthFactory.getSocketTransport(host, port, loginTimeout);
      }
    } catch (SaslException e) {
      throw new SQLException(
          "Could not create secure connection to " + jdbcUriString + ": " + e.getMessage(),
          " 08S01",
          e);
    }
    return transport;
  }