1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.x509;
27
28 import java.util.*;
29 import java.io.IOException;
30
31 import java.security.cert.CertificateException;
32
33 import sun.security.util.*;
34
35 /**
36 * This class defines the mapping from OID & name to classes and vice
37 * versa. Used by CertificateExtensions & PKCS10 to get the java
38 * classes associated with a particular OID/name.
39 *
40 * @author Amit Kapoor
41 * @author Hemma Prafullchandra
42 * @author Andreas Sterbenz
43 *
44 */
45 public class OIDMap {
46
47 private OIDMap() {
48 // empty
49 }
50
51 // "user-friendly" names
52 private static final String ROOT = X509CertImpl.NAME + "." +
53 X509CertInfo.NAME + "." +
54 X509CertInfo.EXTENSIONS;
55 private static final String AUTH_KEY_IDENTIFIER = ROOT + "." +
56 AuthorityKeyIdentifierExtension.NAME;
57 private static final String SUB_KEY_IDENTIFIER = ROOT + "." +
58 SubjectKeyIdentifierExtension.NAME;
59 private static final String KEY_USAGE = ROOT + "." +
60 KeyUsageExtension.NAME;
61 private static final String PRIVATE_KEY_USAGE = ROOT + "." +
62 PrivateKeyUsageExtension.NAME;
63 private static final String POLICY_MAPPINGS = ROOT + "." +
64 PolicyMappingsExtension.NAME;
65 private static final String SUB_ALT_NAME = ROOT + "." +
66 SubjectAlternativeNameExtension.NAME;
67 private static final String ISSUER_ALT_NAME = ROOT + "." +
68 IssuerAlternativeNameExtension.NAME;
69 private static final String BASIC_CONSTRAINTS = ROOT + "." +
70 BasicConstraintsExtension.NAME;
71 private static final String NAME_CONSTRAINTS = ROOT + "." +
72 NameConstraintsExtension.NAME;
73 private static final String POLICY_CONSTRAINTS = ROOT + "." +
74 PolicyConstraintsExtension.NAME;
75 private static final String CRL_NUMBER = ROOT + "." +
76 CRLNumberExtension.NAME;
77 private static final String CRL_REASON = ROOT + "." +
78 CRLReasonCodeExtension.NAME;
79 private static final String NETSCAPE_CERT = ROOT + "." +
80 NetscapeCertTypeExtension.NAME;
81 private static final String CERT_POLICIES = ROOT + "." +
82 CertificatePoliciesExtension.NAME;
83 private static final String EXT_KEY_USAGE = ROOT + "." +
84 ExtendedKeyUsageExtension.NAME;
85 private static final String INHIBIT_ANY_POLICY = ROOT + "." +
86 InhibitAnyPolicyExtension.NAME;
87 private static final String CRL_DIST_POINTS = ROOT + "." +
88 CRLDistributionPointsExtension.NAME;
89
90 private static final String CERT_ISSUER = ROOT + "." +
91 CertificateIssuerExtension.NAME;
92 private static final String AUTH_INFO_ACCESS = ROOT + "." +
93 AuthorityInfoAccessExtension.NAME;
94 private static final String ISSUING_DIST_POINT = ROOT + "." +
95 IssuingDistributionPointExtension.NAME;
96 private static final String DELTA_CRL_INDICATOR = ROOT + "." +
97 DeltaCRLIndicatorExtension.NAME;
98 private static final String FRESHEST_CRL = ROOT + "." +
99 FreshestCRLExtension.NAME;
100
101 private static final int NetscapeCertType_data[] =
102 { 2, 16, 840, 1, 113730, 1, 1 };
103
104 /** Map ObjectIdentifier(oid) -> OIDInfo(info) */
105 private final static Map<ObjectIdentifier,OIDInfo> oidMap;
106
107 /** Map String(friendly name) -> OIDInfo(info) */
108 private final static Map<String,OIDInfo> nameMap;
109
110 static {
111 oidMap = new HashMap<ObjectIdentifier,OIDInfo>();
112 nameMap = new HashMap<String,OIDInfo>();
113 addInternal(SUB_KEY_IDENTIFIER, PKIXExtensions.SubjectKey_Id,
114 "sun.security.x509.SubjectKeyIdentifierExtension");
115 addInternal(KEY_USAGE, PKIXExtensions.KeyUsage_Id,
116 "sun.security.x509.KeyUsageExtension");
117 addInternal(PRIVATE_KEY_USAGE, PKIXExtensions.PrivateKeyUsage_Id,
118 "sun.security.x509.PrivateKeyUsageExtension");
119 addInternal(SUB_ALT_NAME, PKIXExtensions.SubjectAlternativeName_Id,
120 "sun.security.x509.SubjectAlternativeNameExtension");
121 addInternal(ISSUER_ALT_NAME, PKIXExtensions.IssuerAlternativeName_Id,
122 "sun.security.x509.IssuerAlternativeNameExtension");
123 addInternal(BASIC_CONSTRAINTS, PKIXExtensions.BasicConstraints_Id,
124 "sun.security.x509.BasicConstraintsExtension");
125 addInternal(CRL_NUMBER, PKIXExtensions.CRLNumber_Id,
126 "sun.security.x509.CRLNumberExtension");
127 addInternal(CRL_REASON, PKIXExtensions.ReasonCode_Id,
128 "sun.security.x509.CRLReasonCodeExtension");
129 addInternal(NAME_CONSTRAINTS, PKIXExtensions.NameConstraints_Id,
130 "sun.security.x509.NameConstraintsExtension");
131 addInternal(POLICY_MAPPINGS, PKIXExtensions.PolicyMappings_Id,
132 "sun.security.x509.PolicyMappingsExtension");
133 addInternal(AUTH_KEY_IDENTIFIER, PKIXExtensions.AuthorityKey_Id,
134 "sun.security.x509.AuthorityKeyIdentifierExtension");
135 addInternal(POLICY_CONSTRAINTS, PKIXExtensions.PolicyConstraints_Id,
136 "sun.security.x509.PolicyConstraintsExtension");
137 addInternal(NETSCAPE_CERT, ObjectIdentifier.newInternal
138 (new int[] {2,16,840,1,113730,1,1}),
139 "sun.security.x509.NetscapeCertTypeExtension");
140 addInternal(CERT_POLICIES, PKIXExtensions.CertificatePolicies_Id,
141 "sun.security.x509.CertificatePoliciesExtension");
142 addInternal(EXT_KEY_USAGE, PKIXExtensions.ExtendedKeyUsage_Id,
143 "sun.security.x509.ExtendedKeyUsageExtension");
144 addInternal(INHIBIT_ANY_POLICY, PKIXExtensions.InhibitAnyPolicy_Id,
145 "sun.security.x509.InhibitAnyPolicyExtension");
146 addInternal(CRL_DIST_POINTS, PKIXExtensions.CRLDistributionPoints_Id,
147 "sun.security.x509.CRLDistributionPointsExtension");
148 addInternal(CERT_ISSUER, PKIXExtensions.CertificateIssuer_Id,
149 "sun.security.x509.CertificateIssuerExtension");
150 addInternal(AUTH_INFO_ACCESS, PKIXExtensions.AuthInfoAccess_Id,
151 "sun.security.x509.AuthorityInfoAccessExtension");
152 addInternal(ISSUING_DIST_POINT,
153 PKIXExtensions.IssuingDistributionPoint_Id,
154 "sun.security.x509.IssuingDistributionPointExtension");
155 addInternal(DELTA_CRL_INDICATOR, PKIXExtensions.DeltaCRLIndicator_Id,
156 "sun.security.x509.DeltaCRLIndicatorExtension");
157 addInternal(FRESHEST_CRL, PKIXExtensions.FreshestCRL_Id,
158 "sun.security.x509.FreshestCRLExtension");
159 }
160
161 /**
162 * Add attributes to the table. For internal use in the static
163 * initializer.
164 */
165 private static void addInternal(String name, ObjectIdentifier oid,
166 String className) {
167 OIDInfo info = new OIDInfo(name, oid, className);
168 oidMap.put(oid, info);
169 nameMap.put(name, info);
170 }
171
172 /**
173 * Inner class encapsulating the mapping info and Class loading.
174 */
175 private static class OIDInfo {
176
177 final ObjectIdentifier oid;
178 final String name;
179 final String className;
180 private volatile Class<?> clazz;
181
182 OIDInfo(String name, ObjectIdentifier oid, String className) {
183 this.name = name;
184 this.oid = oid;
185 this.className = className;
186 }
187
188 OIDInfo(String name, ObjectIdentifier oid, Class<?> clazz) {
189 this.name = name;
190 this.oid = oid;
191 this.className = clazz.getName();
192 this.clazz = clazz;
193 }
194
195 /**
196 * Return the Class object associated with this attribute.
197 */
198 Class<?> getClazz() throws CertificateException {
199 try {
200 Class<?> c = clazz;
201 if (c == null) {
202 c = Class.forName(className);
203 clazz = c;
204 }
205 return c;
206 } catch (ClassNotFoundException e) {
207 throw new CertificateException("Could not load class: " + e, e);
208 }
209 }
210 }
211
212 /**
213 * Add a name to lookup table.
214 *
215 * @param name the name of the attr
216 * @param oid the string representation of the object identifier for
217 * the class.
218 * @param clazz the Class object associated with this attribute
219 * @exception CertificateException on errors.
220 */
221 public static void addAttribute(String name, String oid, Class<?> clazz)
222 throws CertificateException {
223 ObjectIdentifier objId;
224 try {
225 objId = new ObjectIdentifier(oid);
226 } catch (IOException ioe) {
227 throw new CertificateException
228 ("Invalid Object identifier: " + oid);
229 }
230 OIDInfo info = new OIDInfo(name, objId, clazz);
231 if (oidMap.put(objId, info) != null) {
232 throw new CertificateException
233 ("Object identifier already exists: " + oid);
234 }
235 if (nameMap.put(name, info) != null) {
236 throw new CertificateException("Name already exists: " + name);
237 }
238 }
239
240 /**
241 * Return user friendly name associated with the OID.
242 *
243 * @param oid the name of the object identifier to be returned.
244 * @return the user friendly name or null if no name
245 * is registered for this oid.
246 */
247 public static String getName(ObjectIdentifier oid) {
248 OIDInfo info = oidMap.get(oid);
249 return (info == null) ? null : info.name;
250 }
251
252 /**
253 * Return Object identifier for user friendly name.
254 *
255 * @param name the user friendly name.
256 * @return the Object Identifier or null if no oid
257 * is registered for this name.
258 */
259 public static ObjectIdentifier getOID(String name) {
260 OIDInfo info = nameMap.get(name);
261 return (info == null) ? null : info.oid;
262 }
263
264 /**
265 * Return the java class object associated with the user friendly name.
266 *
267 * @param name the user friendly name.
268 * @exception CertificateException if class cannot be instantiated.
269 */
270 public static Class<?> getClass(String name) throws CertificateException {
271 OIDInfo info = nameMap.get(name);
272 return (info == null) ? null : info.getClazz();
273 }
274
275 /**
276 * Return the java class object associated with the object identifier.
277 *
278 * @param oid the name of the object identifier to be returned.
279 * @exception CertificateException if class cannot be instatiated.
280 */
281 public static Class<?> getClass(ObjectIdentifier oid)
282 throws CertificateException {
283 OIDInfo info = oidMap.get(oid);
284 return (info == null) ? null : info.getClazz();
285 }
286
287 }