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From sudheeshkatkam <...@git.apache.org>
Subject [GitHub] drill pull request #773: DRILL-4335: Apache Drill should support network enc...
Date Wed, 05 Apr 2017 22:19:52 GMT
Github user sudheeshkatkam commented on a diff in the pull request:

    https://github.com/apache/drill/pull/773#discussion_r110035650
  
    --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/rpc/user/UserServer.java
---
    @@ -335,8 +350,27 @@ public BitToUserHandshake getHandshakeResponse(UserToBitHandshake
inbound) throw
                 }
               }
     
    -          // mention server's authentication capabilities
    -          respBuilder.addAllAuthenticationMechanisms(config.getAuthProvider().getAllFactoryNames());
    +          // We are checking in UserConnectionConfig that if SASL encryption is enabled
then mechanisms other
    +          // than PLAIN are also configured otherwise throw exception
    +          final Set<String> configuredMech = config.getAuthProvider().getAllFactoryNames();
    +
    +          if (!config.isEncryptionEnabled()) {
    +
    +            respBuilder.addAllAuthenticationMechanisms(configuredMech);
    +          } else {
    +            final Set<String> saslEncryptMech = new HashSet<>();
    +
    +            for (String mechanism : configuredMech) {
    +              if (!mechanism.equals(PlainFactory.SIMPLE_NAME.toLowerCase())) {
    +                saslEncryptMech.add(mechanism);
    +              }
    +            }
    +            respBuilder.addAllAuthenticationMechanisms(saslEncryptMech);
    +          }
    +
    +          // set the encrypted flag in handshake message. For older clients this field
is optional so will be ignored
    +          respBuilder.setEncrypted(connection.isEncrypted());
    --- End diff --
    
    Shouldn't these be set inside the above `else` block? The values are invalid otherwise.


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