Package org.apache.hadoop.ipc.protobuf.RpcHeaderProtos

Examples of org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcSaslProto

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      // rebuild with sasl header and payload
      RpcResponseHeaderProto saslHeader = RpcResponseHeaderProto.newBuilder()
          .setCallId(AuthProtocol.SASL.callId)
          .setStatus(RpcStatusProto.SUCCESS)
          .build();
      RpcSaslProto saslMessage = RpcSaslProto.newBuilder()
          .setState(SaslState.WRAP)
          .setToken(ByteString.copyFrom(token, 0, token.length))
          .build();
      RpcResponseMessageWrapper saslResponse =
          new RpcResponseMessageWrapper(saslHeader, saslMessage);
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      }
    }

    private void saslReadAndProcess(DataInputStream dis) throws
    WrappedRpcServerException, IOException, InterruptedException {
      final RpcSaslProto saslMessage =
          decodeProtobufFromStream(RpcSaslProto.newBuilder(), dis);
      switch (saslMessage.getState()) {
        case WRAP: {
          if (!saslContextEstablished || !useWrap) {
            throw new WrappedRpcServerException(
                RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
                new SaslException("Server is not wrapping data"));
          }
          // loops over decoded data and calls processOneRpc
          unwrapPacketAndProcessRpcs(saslMessage.getToken().toByteArray());
          break;
        }
        default:
          saslProcess(saslMessage);
      }
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      if (saslContextEstablished) {
        throw new WrappedRpcServerException(
            RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
            new SaslException("Negotiation is already complete"));
      }
      RpcSaslProto saslResponse = null;
      try {
        try {
          saslResponse = processSaslMessage(saslMessage);
        } catch (IOException e) {
          rpcMetrics.incrAuthenticationFailures();
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      }
    }
   
    private RpcSaslProto processSaslMessage(RpcSaslProto saslMessage)
        throws IOException, InterruptedException {
      final RpcSaslProto saslResponse;
      final SaslState state = saslMessage.getState(); // required     
      switch (state) {
        case NEGOTIATE: {
          if (sentNegotiate) {
            throw new AccessControlException(
                "Client already attempted negotiation");
          }
          saslResponse = buildSaslNegotiateResponse();
          // simple-only server negotiate response is success which client
          // interprets as switch to simple
          if (saslResponse.getState() == SaslState.SUCCESS) {
            switchToSimple();
          }
          break;
        }
        case INITIATE: {
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      return authProtocol;
    }

    private RpcSaslProto buildSaslNegotiateResponse()
        throws IOException, InterruptedException {
      RpcSaslProto negotiateMessage = negotiateResponse;
      // accelerate token negotiation by sending initial challenge
      // in the negotiation response
      if (enabledAuthMethods.contains(AuthMethod.TOKEN)) {
        saslServer = createSaslServer(AuthMethod.TOKEN);
        byte[] challenge = saslServer.evaluateResponse(new byte[0]);
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    public void write(byte[] buf, int off, int len) throws IOException {
      if (LOG.isDebugEnabled()) {
        LOG.debug("wrapping token of length:" + len);
      }
      buf = saslClient.wrap(buf, off, len);
      RpcSaslProto saslMessage = RpcSaslProto.newBuilder()
          .setState(SaslState.WRAP)
          .setToken(ByteString.copyFrom(buf, 0, buf.length))
          .build();
      RpcRequestMessageWrapper request =
          new RpcRequestMessageWrapper(saslHeader, saslMessage);
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      // rebuild with sasl header and payload
      RpcResponseHeaderProto saslHeader = RpcResponseHeaderProto.newBuilder()
          .setCallId(AuthProtocol.SASL.callId)
          .setStatus(RpcStatusProto.SUCCESS)
          .build();
      RpcSaslProto saslMessage = RpcSaslProto.newBuilder()
          .setState(SaslState.WRAP)
          .setToken(ByteString.copyFrom(token, 0, token.length))
          .build();
      RpcResponseMessageWrapper saslResponse =
          new RpcResponseMessageWrapper(saslHeader, saslMessage);
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      }
    }

    private void saslReadAndProcess(DataInputStream dis) throws
    WrappedRpcServerException, IOException, InterruptedException {
      final RpcSaslProto saslMessage =
          decodeProtobufFromStream(RpcSaslProto.newBuilder(), dis);
      switch (saslMessage.getState()) {
        case WRAP: {
          if (!saslContextEstablished || !useWrap) {
            throw new WrappedRpcServerException(
                RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
                new SaslException("Server is not wrapping data"));
          }
          // loops over decoded data and calls processOneRpc
          unwrapPacketAndProcessRpcs(saslMessage.getToken().toByteArray());
          break;
        }
        default:
          saslProcess(saslMessage);
      }
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      if (saslContextEstablished) {
        throw new WrappedRpcServerException(
            RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
            new SaslException("Negotiation is already complete"));
      }
      RpcSaslProto saslResponse = null;
      try {
        try {
          saslResponse = processSaslMessage(saslMessage);
        } catch (IOException e) {
          rpcMetrics.incrAuthenticationFailures();
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      }
    }
   
    private RpcSaslProto processSaslMessage(RpcSaslProto saslMessage)
        throws IOException, InterruptedException {
      final RpcSaslProto saslResponse;
      final SaslState state = saslMessage.getState(); // required     
      switch (state) {
        case NEGOTIATE: {
          if (sentNegotiate) {
            throw new AccessControlException(
                "Client already attempted negotiation");
          }
          saslResponse = buildSaslNegotiateResponse();
          // simple-only server negotiate response is success which client
          // interprets as switch to simple
          if (saslResponse.getState() == SaslState.SUCCESS) {
            switchToSimple();
          }
          break;
        }
        case INITIATE: {
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Related Classes of org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcSaslProto

  • org.apache.hadoop.ipc.Server
  • org.apache.hadoop.ipc.Server$Connection
  • org.apache.hadoop.security.SaslRpcClient
  • org.apache.hadoop.security.SaslRpcClient$WrappedOutputStream
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