Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/773#discussion_r109743453
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/rpc/BitConnectionConfig.java
---
@@ -46,16 +47,40 @@ protected BitConnectionConfig(BufferAllocator
allocator, BootStrapContext contex
super(allocator, context);
final DrillConfig config = context.getConfig();
+ final AuthenticatorProvider authProvider = getAuthProvider();
+
if (config.getBoolean(ExecConstants.BIT_AUTHENTICATION_ENABLED)) {
this.authMechanismToUse =
config.getString(ExecConstants.BIT_AUTHENTICATION_MECHANISM);
try {
- getAuthProvider().getAuthenticatorFactory(authMechanismToUse);
+ authProvider.getAuthenticatorFactory(authMechanismToUse);
} catch (final SaslException e) {
throw new DrillbitStartupException(String.format(
"'%s' mechanism not found for bit-to-bit authentication.
Please check authentication configuration.",
authMechanismToUse));
}
- logger.info("Configured bit-to-bit connections to require
authentication using: {}", authMechanismToUse);
+
+ // Update encryption related configurations
+
encryptionContext.setEncryption(config.getBoolean(ExecConstants.BIT_SASL_ENCRYPTION_ENABLED));
+
+ int maxEncodeSize =
config.getInt(ExecConstants.BIT_SASL_ENCRYPTION_ENCODESIZE);
+
+ if(maxEncodeSize > RpcConstants.MAX_WRAP_SIZE) {
+ logger.warn("Setting bit.sasl.encryption.encodesize to maximum
allowed value of 16MB");
+ maxEncodeSize = RpcConstants.MAX_WRAP_SIZE;
+ }
+ encryptionContext.setWrappedChunkSize(maxEncodeSize);
+
+ if (encryptionContext.isEncryptionEnabled() &&
authProvider.isOnlyPlainConfigured()) {
+ throw new DrillbitStartupException("Encryption is enabled but only
PLAIN mechanism is configured." +
+ " Please check the security.bit configurations.");
+ }
+
+ logger.info("Configured bit-to-bit connections to require
authentication using: {} with encryption: {}",
+ authMechanismToUse, encryptionContext.getEncryptionString());
+
+ } else if
(config.getBoolean(ExecConstants.BIT_SASL_ENCRYPTION_ENABLED)) {
+ throw new DrillbitStartupException("Invalid security configuration.
Encryption is enabled with authentication " +
--- End diff --
How about "... Encryption **using SASL** is enabled... "
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