Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/incubator-spark/pull/332#discussion_r9868173
--- Diff: core/src/main/java/org/apache/spark/SparkSaslServer.java ---
@@ -0,0 +1,189 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.spark;
+
+import org.apache.commons.net.util.Base64;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Map;
+import java.util.TreeMap;
+
+import javax.security.auth.callback.Callback;
+import javax.security.auth.callback.CallbackHandler;
+import javax.security.auth.callback.NameCallback;
+import javax.security.auth.callback.PasswordCallback;
+import javax.security.auth.callback.UnsupportedCallbackException;
+import javax.security.sasl.AuthorizeCallback;
+import javax.security.sasl.RealmCallback;
+import javax.security.sasl.Sasl;
+import javax.security.sasl.SaslException;
+import javax.security.sasl.SaslServer;
+import java.io.IOException;
+
+/**
+ * Encapsulates SASL server logic for Server
+ */
+public class SparkSaslServer {
+ /** Logger */
+ private static Logger LOG =
LoggerFactory.getLogger("SparkSaslServer.class");
+
+ /**
+ * Actual SASL work done by this object from javax.security.sasl.
+ * Initialized below in constructor.
+ */
+ private SaslServer saslServer;
+
+ public static final String SASL_DEFAULT_REALM = "default";
--- End diff --
Yeah that code was specifically copied from Hadoop 0.23. I'll leave it for
now and we can make it configurable in the next round of changes to add more
configurability.
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