115 lines
4.1 KiB
Java
115 lines
4.1 KiB
Java
/*
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* Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved.
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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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package sun.security.jgss.krb5;
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import org.ietf.jgss.*;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.IOException;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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class MicToken extends MessageToken {
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public MicToken(Krb5Context context,
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byte[] tokenBytes, int tokenOffset, int tokenLen,
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MessageProp prop) throws GSSException {
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super(Krb5Token.MIC_ID, context,
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tokenBytes, tokenOffset, tokenLen, prop);
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}
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public MicToken(Krb5Context context,
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InputStream is, MessageProp prop)
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throws GSSException {
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super(Krb5Token.MIC_ID, context, is, prop);
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}
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public void verify(byte[] data, int offset, int len) throws GSSException {
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if (!verifySignAndSeqNumber(null, data, offset, len, null))
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throw new GSSException(GSSException.BAD_MIC, -1,
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"Corrupt checksum or sequence number in MIC token");
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}
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public void verify(InputStream data) throws GSSException {
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byte[] dataBytes = null;
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try {
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dataBytes = new byte[data.available()];
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data.read(dataBytes);
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} catch (IOException e) {
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// Error reading application data
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throw new GSSException(GSSException.BAD_MIC, -1,
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"Corrupt checksum or sequence number in MIC token");
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}
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verify(dataBytes, 0, dataBytes.length);
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}
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public MicToken(Krb5Context context, MessageProp prop,
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byte[] data, int pos, int len)
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throws GSSException {
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super(Krb5Token.MIC_ID, context);
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// debug("Application data to MicToken verify is [" +
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// getHexBytes(data, pos, len) + "]\n");
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if (prop == null) prop = new MessageProp(0, false);
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genSignAndSeqNumber(prop, null, data, pos, len, null);
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}
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public MicToken(Krb5Context context, MessageProp prop,
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InputStream data)
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throws GSSException, IOException {
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super(Krb5Token.MIC_ID, context);
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byte[] dataBytes = new byte[data.available()];
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data.read(dataBytes);
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//debug("Application data to MicToken cons is [" +
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// getHexBytes(dataBytes) + "]\n");
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if (prop == null) prop = new MessageProp(0, false);
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genSignAndSeqNumber(prop, null, dataBytes, 0, dataBytes.length, null);
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}
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protected int getSealAlg(boolean confRequested, int qop) {
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return (SEAL_ALG_NONE);
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}
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public int encode(byte[] outToken, int offset)
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throws IOException, GSSException {
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// Token is small
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ByteArrayOutputStream bos = new ByteArrayOutputStream();
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super.encode(bos);
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byte[] token = bos.toByteArray();
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System.arraycopy(token, 0, outToken, offset, token.length);
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return token.length;
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}
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public byte[] encode() throws IOException, GSSException{
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// XXX Fine tune this initial size
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ByteArrayOutputStream bos = new ByteArrayOutputStream(50);
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encode(bos);
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return bos.toByteArray();
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}
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}
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