/* * 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;import sun.security.util.*;import sun.security.krb5.Asn1Exception;import java.util.Vector;import java.io.IOException;import sun.security.krb5.internal.ccache.CCacheOutputStream;/** * In RFC4120, the ASN.1 AuthorizationData is defined as: * * AuthorizationData ::= SEQUENCE OF SEQUENCE { * ad-type [0] Int32, * ad-data [1] OCTET STRING * } * * Here, two classes are used to implement it and they can be represented as follows: * * AuthorizationData ::= SEQUENCE OF AuthorizationDataEntry * AuthorizationDataEntry ::= SEQUENCE { * ad-type[0] Int32, * ad-data[1] OCTET STRING * } */public class AuthorizationData implements Cloneable { private AuthorizationDataEntry[] entry = null; private AuthorizationData() { } public AuthorizationData(AuthorizationDataEntry[] new_entries) throws IOException { if (new_entries != null) { entry = new AuthorizationDataEntry[new_entries.length]; for (int i = 0; i < new_entries.length; i++) { if (new_entries[i] == null) { throw new IOException("Cannot create an AuthorizationData"); } else { entry[i] = (AuthorizationDataEntry) new_entries[i].clone(); } } } } public AuthorizationData(AuthorizationDataEntry new_entry) { entry = new AuthorizationDataEntry[1]; entry[0] = new_entry; } public Object clone() { AuthorizationData new_authorizationData = new AuthorizationData(); if (entry != null) { new_authorizationData.entry = new AuthorizationDataEntry[entry.length]; for (int i = 0; i < entry.length; i++) { new_authorizationData.entry[i] = (AuthorizationDataEntry) entry[i].clone(); } } return new_authorizationData; } /** * Constructs a new <code>AuthorizationData,</code> instance. * @param der a single DER-encoded value. * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. * @exception IOException if an I/O error occurs while reading encoded data. */ public AuthorizationData(DerValue der) throws Asn1Exception, IOException { Vector<AuthorizationDataEntry> v = new Vector<>(); if (der.getTag() != DerValue.tag_Sequence) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } while (der.getData().available() > 0) { v.addElement(new AuthorizationDataEntry(der.getData().getDerValue())); } if (v.size() > 0) { entry = new AuthorizationDataEntry[v.size()]; v.copyInto(entry); } } /** * Encodes an <code>AuthorizationData</code> object. * @return byte array of encoded <code>AuthorizationData</code> object. * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. * @exception IOException if an I/O error occurs while reading encoded data. */ public byte[] asn1Encode() throws Asn1Exception, IOException { DerOutputStream bytes = new DerOutputStream(); DerValue der[] = new DerValue[entry.length]; for (int i = 0; i < entry.length; i++) { der[i] = new DerValue(entry[i].asn1Encode()); } bytes.putSequence(der); return bytes.toByteArray(); } /** * Parse (unmarshal) an <code>AuthorizationData</code> object from a DER input stream. * This form of parsing might be used when expanding a value which is part of * a constructed sequence and uses explicitly tagged type. * * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data. * @exception IOException if an I/O error occurs while reading encoded data. * @param data the Der input stream value, which contains one or more marshaled value. * @param explicitTag tag number. * @param optional indicates if this data field is optional * @return an instance of AuthorizationData. * */ public static AuthorizationData parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException { if ((optional) && (((byte) data.peekByte() & (byte) 0x1F) != explicitTag)) { return null; } DerValue der = data.getDerValue(); if (explicitTag != (der.getTag() & (byte) 0x1F)) { throw new Asn1Exception(Krb5.ASN1_BAD_ID); } else { DerValue subDer = der.getData().getDerValue(); return new AuthorizationData(subDer); } } /** * Writes <code>AuthorizationData</code> data fields to a output stream. * * @param cos a <code>CCacheOutputStream</code> to be written to. * @exception IOException if an I/O exception occurs. */ public void writeAuth(CCacheOutputStream cos) throws IOException { for (int i = 0; i < entry.length; i++) { entry[i].writeEntry(cos); } } public String toString() { String retVal = "AuthorizationData:\n"; for (int i = 0; i < entry.length; i++) { retVal += entry[i].toString(); } return retVal; } public int count() { return entry.length; } public AuthorizationDataEntry item(int i) { return (AuthorizationDataEntry)entry[i].clone(); }}
/*
* 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;
import sun.security.util.*;
import sun.security.krb5.Asn1Exception;
import java.util.Vector;
import java.io.IOException;
import sun.security.krb5.internal.ccache.CCacheOutputStream;
/**
* In RFC4120, the ASN.1 AuthorizationData is defined as:
*
* AuthorizationData ::= SEQUENCE OF SEQUENCE {
* ad-type [0] Int32,
* ad-data [1] OCTET STRING
* }
*
* Here, two classes are used to implement it and they can be represented as follows:
*
* AuthorizationData ::= SEQUENCE OF AuthorizationDataEntry
* AuthorizationDataEntry ::= SEQUENCE {
* ad-type[0] Int32,
* ad-data[1] OCTET STRING
* }
*/
public class AuthorizationData implements Cloneable {
private AuthorizationDataEntry[] entry = null;
private AuthorizationData() {
}
public AuthorizationData(AuthorizationDataEntry[] new_entries)
throws IOException {
if (new_entries != null) {
entry = new AuthorizationDataEntry[new_entries.length];
for (int i = 0; i < new_entries.length; i++) {
if (new_entries[i] == null) {
throw new IOException("Cannot create an AuthorizationData");
} else {
entry[i] = (AuthorizationDataEntry) new_entries[i].clone();
}
}
}
}
public AuthorizationData(AuthorizationDataEntry new_entry) {
entry = new AuthorizationDataEntry[1];
entry[0] = new_entry;
}
public Object clone() {
AuthorizationData new_authorizationData =
new AuthorizationData();
if (entry != null) {
new_authorizationData.entry =
new AuthorizationDataEntry[entry.length];
for (int i = 0; i < entry.length; i++) {
new_authorizationData.entry[i] =
(AuthorizationDataEntry) entry[i].clone();
}
}
return new_authorizationData;
}
/**
* Constructs a new <code>AuthorizationData,</code> instance.
* @param der a single DER-encoded value.
* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading encoded data.
*/
public AuthorizationData(DerValue der) throws Asn1Exception, IOException {
Vector<AuthorizationDataEntry> v = new Vector<>();
if (der.getTag() != DerValue.tag_Sequence) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
}
while (der.getData().available() > 0) {
v.addElement(new AuthorizationDataEntry(der.getData().getDerValue()));
}
if (v.size() > 0) {
entry = new AuthorizationDataEntry[v.size()];
v.copyInto(entry);
}
}
/**
* Encodes an <code>AuthorizationData</code> object.
* @return byte array of encoded <code>AuthorizationData</code> object.
* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading encoded data.
*/
public byte[] asn1Encode() throws Asn1Exception, IOException {
DerOutputStream bytes = new DerOutputStream();
DerValue der[] = new DerValue[entry.length];
for (int i = 0; i < entry.length; i++) {
der[i] = new DerValue(entry[i].asn1Encode());
}
bytes.putSequence(der);
return bytes.toByteArray();
}
/**
* Parse (unmarshal) an <code>AuthorizationData</code> object from a DER input stream.
* This form of parsing might be used when expanding a value which is part of
* a constructed sequence and uses explicitly tagged type.
*
* @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
* @exception IOException if an I/O error occurs while reading encoded data.
* @param data the Der input stream value, which contains one or more marshaled value.
* @param explicitTag tag number.
* @param optional indicates if this data field is optional
* @return an instance of AuthorizationData.
*
*/
public static AuthorizationData parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException {
if ((optional) && (((byte) data.peekByte() & (byte) 0x1F) != explicitTag)) {
return null;
}
DerValue der = data.getDerValue();
if (explicitTag != (der.getTag() & (byte) 0x1F)) {
throw new Asn1Exception(Krb5.ASN1_BAD_ID);
} else {
DerValue subDer = der.getData().getDerValue();
return new AuthorizationData(subDer);
}
}
/**
* Writes <code>AuthorizationData</code> data fields to a output stream.
*
* @param cos a <code>CCacheOutputStream</code> to be written to.
* @exception IOException if an I/O exception occurs.
*/
public void writeAuth(CCacheOutputStream cos) throws IOException {
for (int i = 0; i < entry.length; i++) {
entry[i].writeEntry(cos);
}
}
public String toString() {
String retVal = "AuthorizationData:\n";
for (int i = 0; i < entry.length; i++) {
retVal += entry[i].toString();
}
return retVal;
}
public int count() {
return entry.length;
}
public AuthorizationDataEntry item(int i) {
return (AuthorizationDataEntry)entry[i].clone();
}
}