hadoop SecurityHandler 源码
haddop SecurityHandler 代码
文件路径：/hadoop-common-project/hadoop-nfs/src/main/java/org/apache/hadoop/oncrpc/security/SecurityHandler.java
/**
* 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();
}
}
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