| /** |
| * 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 org.apache.hadoop.oncrpc.XDR; |
| |
| /** |
| * Authentication Info. Base class of Verifier and Credential. |
| */ |
| public abstract class RpcAuthInfo { |
| /** Different types of authentication as defined in RFC 1831 */ |
| public enum AuthFlavor { |
| AUTH_NONE(0), |
| AUTH_SYS(1), |
| AUTH_SHORT(2), |
| AUTH_DH(3), |
| RPCSEC_GSS(6); |
| |
| private int value; |
| |
| AuthFlavor(int value) { |
| this.value = value; |
| } |
| |
| public int getValue() { |
| return value; |
| } |
| |
| static AuthFlavor fromValue(int value) { |
| for (AuthFlavor v : values()) { |
| if (v.value == value) { |
| return v; |
| } |
| } |
| throw new IllegalArgumentException("Invalid AuthFlavor value " + value); |
| } |
| } |
| |
| private final AuthFlavor flavor; |
| |
| protected RpcAuthInfo(AuthFlavor flavor) { |
| this.flavor = flavor; |
| } |
| |
| /** |
| * Load auth info. |
| * @param xdr XDR message |
| */ |
| public abstract void read(XDR xdr); |
| |
| /** Write auth info. |
| * @param xdr XDR message |
| */ |
| public abstract void write(XDR xdr); |
| |
| public AuthFlavor getFlavor() { |
| return flavor; |
| } |
| |
| @Override |
| public String toString() { |
| return "(AuthFlavor:" + flavor + ")"; |
| } |
| } |