rajinisivaram commented on a change in pull request #10007:
URL: https://github.com/apache/kafka/pull/10007#discussion_r568485297
##########
File path:
clients/src/main/java/org/apache/kafka/common/network/ChannelBuilders.java
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@@ -129,6 +136,22 @@ private static ChannelBuilder create(SecurityProtocol
securityProtocol,
jaasContexts = new HashMap<>(enabledMechanisms.size());
for (String mechanism : enabledMechanisms)
jaasContexts.put(mechanism,
JaasContext.loadServerContext(listenerName, mechanism, configs));
+
+ // SSL client authentication is enabled in brokers for
SASL_SSL only if listener-prefixed config is specified.
+ if (listenerName != null && securityProtocol ==
SecurityProtocol.SASL_SSL) {
+ String configuredClientAuth = (String)
configs.get(BrokerSecurityConfigs.SSL_CLIENT_AUTH_CONFIG);
+ String listenerClientAuth = (String)
config.originalsWithPrefix(listenerName.configPrefix(), true)
+
.get(BrokerSecurityConfigs.SSL_CLIENT_AUTH_CONFIG);
Review comment:
We can't do `config.getString(prefix+configName)` because
`AbstractConfig` only allows configs from its definition to be obtained using
`get` and the prefixed config is not treated as a defined config. I couldn't
think of alternative way that doesn't need the originals in some form. As you
said, it is only used once when broker starts up, so should be ok. But happy to
change if you can think of an alternative.
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