| /** |
| * 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.hadoop.oncrpc.security; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.oncrpc.RpcCall; |
| import org.apache.hadoop.oncrpc.XDR; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public abstract class SecurityHandler { |
| public static final Logger LOG = |
| LoggerFactory.getLogger(SecurityHandler.class); |
| |
| public abstract String getUser(); |
| |
| public abstract boolean shouldSilentlyDrop(RpcCall request); |
| |
| public abstract Verifier getVerifer(RpcCall request) throws IOException; |
| |
| public boolean isUnwrapRequired() { |
| return false; |
| } |
| |
| public boolean isWrapRequired() { |
| return false; |
| } |
| |
| /** |
| * Used by GSS. |
| * @param request RPC request |
| * @param data request data |
| * @throws IOException fail to unwrap RPC call |
| * @return XDR response |
| */ |
| public XDR unwrap(RpcCall request, byte[] data ) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Used by GSS. |
| * @param request RPC request |
| * @param response RPC response |
| * @throws IOException fail to wrap RPC call |
| * @return response byte buffer |
| */ |
| public byte[] wrap(RpcCall request, XDR response) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Used by AUTH_SYS. |
| * Return the uid of the NFS user credential. |
| * @return uid |
| */ |
| public int getUid() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Used by AUTH_SYS. |
| * Return the gid of the NFS user credential. |
| * @return gid |
| */ |
| public int getGid() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** |
| * Used by AUTH_SYS. |
| * Return the auxiliary gids of the NFS user credential. |
| * @return auxiliary gids |
| */ |
| public int[] getAuxGids() { |
| throw new UnsupportedOperationException(); |
| } |
| } |