Github user zsxwing commented on a diff in the pull request:
https://github.com/apache/spark/pull/15172#discussion_r87335532
--- Diff:
common/network-common/src/main/java/org/apache/spark/network/sasl/SaslRpcHandler.java
---
@@ -80,46 +84,74 @@ public void receive(TransportClient client, ByteBuffer
message, RpcResponseCallb
delegate.receive(client, message, callback);
return;
}
+ if (saslServer == null || !saslServer.isComplete()) {
+ ByteBuf nettyBuf = Unpooled.wrappedBuffer(message);
+ SaslMessage saslMessage;
+ try {
+ saslMessage = SaslMessage.decode(nettyBuf);
+ } finally {
+ nettyBuf.release();
+ }
- ByteBuf nettyBuf = Unpooled.wrappedBuffer(message);
- SaslMessage saslMessage;
- try {
- saslMessage = SaslMessage.decode(nettyBuf);
- } finally {
- nettyBuf.release();
- }
-
- if (saslServer == null) {
- // First message in the handshake, setup the necessary state.
- client.setClientId(saslMessage.appId);
- saslServer = new SparkSaslServer(saslMessage.appId, secretKeyHolder,
- conf.saslServerAlwaysEncrypt());
- }
+ if (saslServer == null) {
+ // First message in the handshake, setup the necessary state.
+ client.setClientId(saslMessage.appId);
+ saslServer = new SparkSaslServer(saslMessage.appId,
secretKeyHolder,
+ conf.saslServerAlwaysEncrypt());
+ }
- byte[] response;
- try {
- response = saslServer.response(JavaUtils.bufferToArray(
- saslMessage.body().nioByteBuffer()));
- } catch (IOException ioe) {
- throw new RuntimeException(ioe);
+ byte[] response;
+ try {
+ response = saslServer.response(JavaUtils.bufferToArray(
+ saslMessage.body().nioByteBuffer()));
+ } catch (IOException ioe) {
+ throw new RuntimeException(ioe);
+ }
+ callback.onSuccess(ByteBuffer.wrap(response));
}
- callback.onSuccess(ByteBuffer.wrap(response));
// Setup encryption after the SASL response is sent, otherwise the
client can't parse the
// response. It's ok to change the channel pipeline here since we are
processing an incoming
// message, so the pipeline is busy and no new incoming messages will
be fed to it before this
// method returns. This assumes that the code ensures, through other
means, that no outbound
// messages are being written to the channel while negotiation is
still going on.
if (saslServer.isComplete()) {
- logger.debug("SASL authentication successful for channel {}",
client);
- isComplete = true;
- if
(SparkSaslServer.QOP_AUTH_CONF.equals(saslServer.getNegotiatedProperty(Sasl.QOP)))
{
+ if
(!SparkSaslServer.QOP_AUTH_CONF.equals(saslServer.getNegotiatedProperty(Sasl.QOP)))
{
+ logger.debug("SASL authentication successful for channel {}",
client);
--- End diff --
nit: this is a failure.
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