/**
* 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.net.InetAddress;
import java.net.UnknownHostException;
import org.apache.commons.io.Charsets;
import org.apache.hadoop.oncrpc.XDR;
/** Credential used by AUTH_SYS */
public class CredentialsSys extends Credentials {
private static final String HOSTNAME;
static {
try {
String s = InetAddress.getLocalHost().getHostName();
HOSTNAME = s;
if(LOG.isDebugEnabled()) {
LOG.debug("HOSTNAME = " + HOSTNAME);
}
} catch (UnknownHostException e) {
LOG.error("Error setting HOSTNAME", e);
throw new RuntimeException(e);
}
}
protected int mUID, mGID;
protected int[] mAuxGIDs;
protected String mHostName;
protected int mStamp;
public CredentialsSys() {
super(AuthFlavor.AUTH_SYS);
this.mCredentialsLength = 0;
this.mHostName = HOSTNAME;
}
public int getGID() {
return mGID;
}
public int getUID() {
return mUID;
}
public int[] getAuxGIDs() {
return mAuxGIDs;
}
public void setGID(int gid) {
this.mGID = gid;
}
public void setUID(int uid) {
this.mUID = uid;
}
public void setStamp(int stamp) {
this.mStamp = stamp;
}
@Override
public void read(XDR xdr) {
mCredentialsLength = xdr.readInt();
mStamp = xdr.readInt();
mHostName = xdr.readString();
mUID = xdr.readInt();
mGID = xdr.readInt();
int length = xdr.readInt();
mAuxGIDs = new int[length];
for (int i = 0; i < length; i++) {
mAuxGIDs[i] = xdr.readInt();
}
}
@Override
public void write(XDR xdr) {
// mStamp + mHostName.length + mHostName + mUID + mGID + mAuxGIDs.count
mCredentialsLength = 20 + mHostName.getBytes(Charsets.UTF_8).length;
// mAuxGIDs
if (mAuxGIDs != null && mAuxGIDs.length > 0) {
mCredentialsLength += mAuxGIDs.length * 4;
}
xdr.writeInt(mCredentialsLength);
xdr.writeInt(mStamp);
xdr.writeString(mHostName);
xdr.writeInt(mUID);
xdr.writeInt(mGID);
if((mAuxGIDs == null) || (mAuxGIDs.length == 0)) {
xdr.writeInt(0);
} else {
xdr.writeInt(mAuxGIDs.length);
for (int i = 0; i < mAuxGIDs.length; i++) {
xdr.writeInt(mAuxGIDs[i]);
}
}
}
}