History

My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/sun/security/krb5/internal/AuthorizationData.java (1 of 18352 files). Show all

Unified · Split

java/pkg/sun/security/krb5/internal/AuthorizationData.java+184−0
@@ -0,0 +1,184 @@
1+/*
2+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3+ *
4+ * This code is free software; you can redistribute it and/or modify it
5+ * under the terms of the GNU General Public License version 2 only, as
6+ * published by the Free Software Foundation. Oracle designates this
7+ * particular file as subject to the "Classpath" exception as provided
8+ * by Oracle in the LICENSE file that accompanied this code.
9+ *
10+ * This code is distributed in the hope that it will be useful, but WITHOUT
11+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13+ * version 2 for more details (a copy is included in the LICENSE file that
14+ * accompanied this code).
15+ *
16+ * You should have received a copy of the GNU General Public License version
17+ * 2 along with this work; if not, write to the Free Software Foundation,
18+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19+ *
20+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21+ * or visit www.oracle.com if you need additional information or have any
22+ * questions.
23+ */
24+
25+/*
26+ *
27+ * (C) Copyright IBM Corp. 1999 All Rights Reserved.
28+ * Copyright 1997 The Open Group Research Institute. All rights reserved.
29+ */
30+
31+package sun.security.krb5.internal;
32+
33+import sun.security.util.*;
34+import sun.security.krb5.Asn1Exception;
35+import java.util.Vector;
36+import java.io.IOException;
37+import sun.security.krb5.internal.ccache.CCacheOutputStream;
38+
39+/**
40+ * In RFC4120, the ASN.1 AuthorizationData is defined as:
41+ *
42+ * AuthorizationData ::= SEQUENCE OF SEQUENCE {
43+ * ad-type [0] Int32,
44+ * ad-data [1] OCTET STRING
45+ * }
46+ *
47+ * Here, two classes are used to implement it and they can be represented as follows:
48+ *
49+ * AuthorizationData ::= SEQUENCE OF AuthorizationDataEntry
50+ * AuthorizationDataEntry ::= SEQUENCE {
51+ * ad-type[0] Int32,
52+ * ad-data[1] OCTET STRING
53+ * }
54+ */
55+public class AuthorizationData implements Cloneable {
56+
57+ private AuthorizationDataEntry[] entry = null;
58+
59+ private AuthorizationData() {
60+ }
61+
62+ public AuthorizationData(AuthorizationDataEntry[] new_entries)
63+ throws IOException {
64+ if (new_entries != null) {
65+ entry = new AuthorizationDataEntry[new_entries.length];
66+ for (int i = 0; i < new_entries.length; i++) {
67+ if (new_entries[i] == null) {
68+ throw new IOException("Cannot create an AuthorizationData");
69+ } else {
70+ entry[i] = (AuthorizationDataEntry) new_entries[i].clone();
71+ }
72+ }
73+ }
74+ }
75+
76+ public AuthorizationData(AuthorizationDataEntry new_entry) {
77+ entry = new AuthorizationDataEntry[1];
78+ entry[0] = new_entry;
79+ }
80+
81+ public Object clone() {
82+ AuthorizationData new_authorizationData =
83+ new AuthorizationData();
84+ if (entry != null) {
85+ new_authorizationData.entry =
86+ new AuthorizationDataEntry[entry.length];
87+ for (int i = 0; i < entry.length; i++) {
88+ new_authorizationData.entry[i] =
89+ (AuthorizationDataEntry) entry[i].clone();
90+ }
91+ }
92+ return new_authorizationData;
93+ }
94+
95+ /**
96+ * Constructs a new <code>AuthorizationData,</code> instance.
97+ * @param der a single DER-encoded value.
98+ * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
99+ * @exception IOException if an I/O error occurs while reading encoded data.
100+ */
101+ public AuthorizationData(DerValue der) throws Asn1Exception, IOException {
102+ Vector<AuthorizationDataEntry> v = new Vector<>();
103+ if (der.getTag() != DerValue.tag_Sequence) {
104+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
105+ }
106+ while (der.getData().available() > 0) {
107+ v.addElement(new AuthorizationDataEntry(der.getData().getDerValue()));
108+ }
109+ if (v.size() > 0) {
110+ entry = new AuthorizationDataEntry[v.size()];
111+ v.copyInto(entry);
112+ }
113+ }
114+
115+ /**
116+ * Encodes an <code>AuthorizationData</code> object.
117+ * @return byte array of encoded <code>AuthorizationData</code> object.
118+ * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
119+ * @exception IOException if an I/O error occurs while reading encoded data.
120+ */
121+ public byte[] asn1Encode() throws Asn1Exception, IOException {
122+ DerOutputStream bytes = new DerOutputStream();
123+ DerValue der[] = new DerValue[entry.length];
124+ for (int i = 0; i < entry.length; i++) {
125+ der[i] = new DerValue(entry[i].asn1Encode());
126+ }
127+ bytes.putSequence(der);
128+ return bytes.toByteArray();
129+ }
130+
131+ /**
132+ * Parse (unmarshal) an <code>AuthorizationData</code> object from a DER input stream.
133+ * This form of parsing might be used when expanding a value which is part of
134+ * a constructed sequence and uses explicitly tagged type.
135+ *
136+ * @exception Asn1Exception if an error occurs while decoding an ASN1 encoded data.
137+ * @exception IOException if an I/O error occurs while reading encoded data.
138+ * @param data the Der input stream value, which contains one or more marshaled value.
139+ * @param explicitTag tag number.
140+ * @param optional indicates if this data field is optional
141+ * @return an instance of AuthorizationData.
142+ *
143+ */
144+ public static AuthorizationData parse(DerInputStream data, byte explicitTag, boolean optional) throws Asn1Exception, IOException {
145+ if ((optional) && (((byte) data.peekByte() & (byte) 0x1F) != explicitTag)) {
146+ return null;
147+ }
148+ DerValue der = data.getDerValue();
149+ if (explicitTag != (der.getTag() & (byte) 0x1F)) {
150+ throw new Asn1Exception(Krb5.ASN1_BAD_ID);
151+ } else {
152+ DerValue subDer = der.getData().getDerValue();
153+ return new AuthorizationData(subDer);
154+ }
155+ }
156+
157+ /**
158+ * Writes <code>AuthorizationData</code> data fields to a output stream.
159+ *
160+ * @param cos a <code>CCacheOutputStream</code> to be written to.
161+ * @exception IOException if an I/O exception occurs.
162+ */
163+ public void writeAuth(CCacheOutputStream cos) throws IOException {
164+ for (int i = 0; i < entry.length; i++) {
165+ entry[i].writeEntry(cos);
166+ }
167+ }
168+
169+ public String toString() {
170+ String retVal = "AuthorizationData:\n";
171+ for (int i = 0; i < entry.length; i++) {
172+ retVal += entry[i].toString();
173+ }
174+ return retVal;
175+ }
176+
177+ public int count() {
178+ return entry.length;
179+ }
180+
181+ public AuthorizationDataEntry item(int i) {
182+ return (AuthorizationDataEntry)entry[i].clone();
183+ }
184+}