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