anmolnar commented on a change in pull request #4125:
URL: https://github.com/apache/hbase/pull/4125#discussion_r829219622
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/NettyRpcServer.java
##########
@@ -181,4 +204,80 @@ public int getNumOpenConnections() {
// allChannels also contains the server channel, so exclude that from the
count.
return channelsCount > 0 ? channelsCount - 1 : channelsCount;
}
+
+ private synchronized void initSSL(ChannelPipeline p, boolean
supportPlaintext) throws
+ X509Exception {
+ SslContext nettySslContext;
+
+ SSLContextAndOptions sslContextAndOptions =
x509Util.getDefaultSSLContextAndOptions();
+ nettySslContext = sslContextAndOptions
+ .createNettyJdkSslContext(sslContextAndOptions.getSSLContext(), false);
+
+ if (supportPlaintext) {
+ p.addLast("ssl", new NettyRpcServer.DualModeSslHandler(nettySslContext));
+ LOG.debug("Dual mode SSL handler added for channel: {}", p.channel());
+ } else {
+ p.addLast("ssl", nettySslContext.newHandler(p.channel().alloc()));
+ LOG.debug("SSL handler added for channel: {}", p.channel());
+ }
+ }
+
+ /**
+ * A handler that detects whether the client would like to use
+ * TLS or not and responds in kind. The first bytes are examined
+ * for the static TLS headers to make the determination and
+ * placed back in the stream with the correct ChannelHandler
+ * instantiated.
+ */
+ class DualModeSslHandler extends OptionalSslHandler {
+
+ DualModeSslHandler(SslContext sslContext) {
+ super(sslContext);
+ }
+
+ @Override
+ protected void decode(ChannelHandlerContext context, ByteBuf in,
List<Object> out)
+ throws Exception {
+ if (in.readableBytes() >= 5) {
+ super.decode(context, in, out);
+ } else if (in.readableBytes() > 0) {
+ // It requires 5 bytes to detect a proper ssl connection. In the
Review comment:
That's copied from the base class.
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