Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/773#discussion_r113324923
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/rpc/security/ServerAuthenticationHandler.java
---
@@ -251,25 +255,67 @@ void process(SaslResponseContext<S, T> context)
throws Exception {
private static <S extends ServerConnection<S>, T extends EnumLite>
void handleSuccess(final SaslResponseContext<S, T> context, final
SaslMessage.Builder challenge,
final SaslServer saslServer) throws IOException {
- context.connection.changeHandlerTo(context.requestHandler);
- context.connection.finalizeSaslSession();
- context.sender.send(new Response(context.saslResponseType,
challenge.build()));
- // setup security layers here..
+ final S connection = context.connection;
+ connection.changeHandlerTo(context.requestHandler);
+ connection.finalizeSaslSession();
+
+ // Check the negotiated property before sending the response back to
client
+ try {
+ final String negotiatedQOP =
saslServer.getNegotiatedProperty(Sasl.QOP).toString();
--- End diff --
Could `.toString()` throw NPE, since null QOP is same as "auth"?
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