/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
*
* (C) Copyright IBM Corp. 1999 All Rights Reserved.
* Copyright 1997 The Open Group Research Institute. All rights reserved.
*/
package sun.security.krb5.internal.ktab;
import sun.security.krb5.internal.*;
import sun.security.krb5.internal.util.KrbDataOutputStream;
import java.io.IOException;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
/**
* This class implements a buffered input stream. It is used for parsing key table
* data to memory.
*
* @author Yanni Zhang
*
*/
public class KeyTabOutputStream extends KrbDataOutputStream implements KeyTabConstants {
private KeyTabEntry entry;
private int keyType;
private byte[] keyValue;
public int version;
public KeyTabOutputStream(OutputStream os) {
super(os);
}
public void writeVersion(int num) throws IOException {
version = num;
write16(num); //we use the standard version.
}
public void writeEntry(KeyTabEntry entry) throws IOException {
write32(entry.entryLength());
String[] serviceNames = entry.service.getNameStrings();
int comp_num = serviceNames.length;
if (version == KRB5_KT_VNO_1) {
write16(comp_num + 1);
}
else write16(comp_num);
byte[] realm = null;
try {
realm = entry.service.getRealmString().getBytes("8859_1");
} catch (UnsupportedEncodingException exc) {
}
write16(realm.length);
write(realm);
for (int i = 0; i < comp_num; i++) {
try {
write16(serviceNames[i].getBytes("8859_1").length);
write(serviceNames[i].getBytes("8859_1"));
} catch (UnsupportedEncodingException exc) {
}
}
write32(entry.service.getNameType());
//time is long, but we only use 4 bytes to store the data.
write32((int)(entry.timestamp.getTime()/1000));
// the key version might be a 32 bit extended number.
write8(entry.keyVersion % 256 );
write16(entry.keyType);
write16(entry.keyblock.length);
write(entry.keyblock);
// if the key version isn't smaller than 256, it could be saved as
// extension key version number in 4 bytes. The nonzero extension
// key version number will be trusted. However, it isn't standardized
// yet, we won't support it.
// if (entry.keyVersion >= 256) {
// write32(entry.keyVersion);
//}
}
}