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