1 /*
2 * Copyright (c) 2002, 2019, 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 jdk.internal.access;
27
28 import javax.crypto.SealedObject;
29 import java.io.ObjectInputFilter;
30 import java.lang.module.ModuleDescriptor;
31 import java.util.ResourceBundle;
32 import java.util.jar.JarFile;
33 import java.io.Console;
34 import java.io.FileDescriptor;
35 import java.io.FilePermission;
36 import java.io.ObjectInputStream;
37 import java.io.RandomAccessFile;
38 import java.security.ProtectionDomain;
39 import java.security.Signature;
40 import jdk.internal.misc.Unsafe;
41
42 /** A repository of "shared secrets", which are a mechanism for
43 calling implementation-private methods in another package without
44 using reflection. A package-private class implements a public
45 interface and provides the ability to call package-private methods
46 within that package; the object implementing that interface is
47 provided through a third package to which access is restricted.
48 This framework avoids the primary disadvantage of using reflection
49 for this purpose, namely the loss of compile-time checking. */
50
51 public class SharedSecrets {
52 private static final Unsafe unsafe = Unsafe.getUnsafe();
53 private static JavaAWTAccess javaAWTAccess;
54 private static JavaAWTFontAccess javaAWTFontAccess;
55 private static JavaBeansAccess javaBeansAccess;
56 private static JavaLangAccess javaLangAccess;
57 private static JavaLangInvokeAccess javaLangInvokeAccess;
58 private static JavaLangModuleAccess javaLangModuleAccess;
59 private static JavaLangRefAccess javaLangRefAccess;
60 private static JavaLangReflectAccess javaLangReflectAccess;
61 private static JavaIOAccess javaIOAccess;
62 private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
63 private static JavaIOFilePermissionAccess javaIOFilePermissionAccess;
64 private static JavaIORandomAccessFileAccess javaIORandomAccessFileAccess;
65 private static JavaObjectInputStreamAccess javaObjectInputStreamAccess;
66 private static JavaObjectInputFilterAccess javaObjectInputFilterAccess;
67 private static JavaNetInetAddressAccess javaNetInetAddressAccess;
68 private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
69 private static JavaNetSocketAccess javaNetSocketAccess;
70 private static JavaNetUriAccess javaNetUriAccess;
71 private static JavaNetURLAccess javaNetURLAccess;
72 private static JavaNetURLClassLoaderAccess javaNetURLClassLoaderAccess;
73 private static JavaNioAccess javaNioAccess;
74 private static JavaUtilJarAccess javaUtilJarAccess;
75 private static JavaUtilZipFileAccess javaUtilZipFileAccess;
76 private static JavaUtilResourceBundleAccess javaUtilResourceBundleAccess;
77 private static JavaSecurityAccess javaSecurityAccess;
78 private static JavaSecuritySignatureAccess javaSecuritySignatureAccess;
79 private static JavaxCryptoSealedObjectAccess javaxCryptoSealedObjectAccess;
80
81 public static JavaUtilJarAccess javaUtilJarAccess() {
82 if (javaUtilJarAccess == null) {
83 // Ensure JarFile is initialized; we know that this class
84 // provides the shared secret
85 unsafe.ensureClassInitialized(JarFile.class);
86 }
87 return javaUtilJarAccess;
88 }
89
90 public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
91 javaUtilJarAccess = access;
92 }
93
94 public static void setJavaLangAccess(JavaLangAccess jla) {
95 javaLangAccess = jla;
96 }
97
98 public static JavaLangAccess getJavaLangAccess() {
99 return javaLangAccess;
100 }
101
102 public static void setJavaLangInvokeAccess(JavaLangInvokeAccess jlia) {
103 javaLangInvokeAccess = jlia;
104 }
105
106 public static JavaLangInvokeAccess getJavaLangInvokeAccess() {
107 if (javaLangInvokeAccess == null) {
108 try {
109 Class<?> c = Class.forName("java.lang.invoke.MethodHandleImpl");
110 unsafe.ensureClassInitialized(c);
111 } catch (ClassNotFoundException e) {};
112 }
113 return javaLangInvokeAccess;
114 }
115
116 public static void setJavaLangModuleAccess(JavaLangModuleAccess jlrma) {
117 javaLangModuleAccess = jlrma;
118 }
119
120 public static JavaLangModuleAccess getJavaLangModuleAccess() {
121 if (javaLangModuleAccess == null) {
122 unsafe.ensureClassInitialized(ModuleDescriptor.class);
123 }
124 return javaLangModuleAccess;
125 }
126
127 public static void setJavaLangRefAccess(JavaLangRefAccess jlra) {
128 javaLangRefAccess = jlra;
129 }
130
131 public static JavaLangRefAccess getJavaLangRefAccess() {
132 return javaLangRefAccess;
133 }
134
135 public static void setJavaLangReflectAccess(JavaLangReflectAccess jlra) {
136 javaLangReflectAccess = jlra;
137 }
138
139 public static JavaLangReflectAccess getJavaLangReflectAccess() {
140 return javaLangReflectAccess;
141 }
142
143 public static void setJavaNetUriAccess(JavaNetUriAccess jnua) {
144 javaNetUriAccess = jnua;
145 }
146
147 public static JavaNetUriAccess getJavaNetUriAccess() {
148 if (javaNetUriAccess == null)
149 unsafe.ensureClassInitialized(java.net.URI.class);
150 return javaNetUriAccess;
151 }
152
153 public static void setJavaNetURLAccess(JavaNetURLAccess jnua) {
154 javaNetURLAccess = jnua;
155 }
156
157 public static JavaNetURLAccess getJavaNetURLAccess() {
158 if (javaNetURLAccess == null)
159 unsafe.ensureClassInitialized(java.net.URL.class);
160 return javaNetURLAccess;
161 }
162
163 public static void setJavaNetURLClassLoaderAccess(JavaNetURLClassLoaderAccess jnua) {
164 javaNetURLClassLoaderAccess = jnua;
165 }
166
167 public static JavaNetURLClassLoaderAccess getJavaNetURLClassLoaderAccess() {
168 if (javaNetURLClassLoaderAccess == null)
169 unsafe.ensureClassInitialized(java.net.URLClassLoader.class);
170 return javaNetURLClassLoaderAccess;
171 }
172
173 public static void setJavaNetInetAddressAccess(JavaNetInetAddressAccess jna) {
174 javaNetInetAddressAccess = jna;
175 }
176
177 public static JavaNetInetAddressAccess getJavaNetInetAddressAccess() {
178 if (javaNetInetAddressAccess == null)
179 unsafe.ensureClassInitialized(java.net.InetAddress.class);
180 return javaNetInetAddressAccess;
181 }
182
183 public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
184 javaNetHttpCookieAccess = a;
185 }
186
187 public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
188 if (javaNetHttpCookieAccess == null)
189 unsafe.ensureClassInitialized(java.net.HttpCookie.class);
190 return javaNetHttpCookieAccess;
191 }
192
193 public static void setJavaNetSocketAccess(JavaNetSocketAccess jnsa) {
194 javaNetSocketAccess = jnsa;
195 }
196
197 public static JavaNetSocketAccess getJavaNetSocketAccess() {
198 if (javaNetSocketAccess == null)
199 unsafe.ensureClassInitialized(java.net.ServerSocket.class);
200 return javaNetSocketAccess;
201 }
202
203 public static void setJavaNioAccess(JavaNioAccess jna) {
204 javaNioAccess = jna;
205 }
206
207 public static JavaNioAccess getJavaNioAccess() {
208 if (javaNioAccess == null) {
209 // Ensure java.nio.Buffer is initialized, which provides the
210 // shared secret.
211 unsafe.ensureClassInitialized(java.nio.Buffer.class);
212 }
213 return javaNioAccess;
214 }
215
216 public static void setJavaIOAccess(JavaIOAccess jia) {
217 javaIOAccess = jia;
218 }
219
220 public static JavaIOAccess getJavaIOAccess() {
221 if (javaIOAccess == null) {
222 unsafe.ensureClassInitialized(Console.class);
223 }
224 return javaIOAccess;
225 }
226
227 public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
228 javaIOFileDescriptorAccess = jiofda;
229 }
230
231 public static JavaIOFilePermissionAccess getJavaIOFilePermissionAccess() {
232 if (javaIOFilePermissionAccess == null)
233 unsafe.ensureClassInitialized(FilePermission.class);
234
235 return javaIOFilePermissionAccess;
236 }
237
238 public static void setJavaIOFilePermissionAccess(JavaIOFilePermissionAccess jiofpa) {
239 javaIOFilePermissionAccess = jiofpa;
240 }
241
242 public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
243 if (javaIOFileDescriptorAccess == null)
244 unsafe.ensureClassInitialized(FileDescriptor.class);
245
246 return javaIOFileDescriptorAccess;
247 }
248
249 public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
250 javaSecurityAccess = jsa;
251 }
252
253 public static JavaSecurityAccess getJavaSecurityAccess() {
254 if (javaSecurityAccess == null) {
255 unsafe.ensureClassInitialized(ProtectionDomain.class);
256 }
257 return javaSecurityAccess;
258 }
259
260 public static JavaUtilZipFileAccess getJavaUtilZipFileAccess() {
261 if (javaUtilZipFileAccess == null)
262 unsafe.ensureClassInitialized(java.util.zip.ZipFile.class);
263 return javaUtilZipFileAccess;
264 }
265
266 public static void setJavaUtilZipFileAccess(JavaUtilZipFileAccess access) {
267 javaUtilZipFileAccess = access;
268 }
269
270 public static void setJavaAWTAccess(JavaAWTAccess jaa) {
271 javaAWTAccess = jaa;
272 }
273
274 public static JavaAWTAccess getJavaAWTAccess() {
275 // this may return null in which case calling code needs to
276 // provision for.
277 return javaAWTAccess;
278 }
279
280 public static void setJavaAWTFontAccess(JavaAWTFontAccess jafa) {
281 javaAWTFontAccess = jafa;
282 }
283
284 public static JavaAWTFontAccess getJavaAWTFontAccess() {
285 // this may return null in which case calling code needs to
286 // provision for.
287 return javaAWTFontAccess;
288 }
289
290 public static JavaBeansAccess getJavaBeansAccess() {
291 return javaBeansAccess;
292 }
293
294 public static void setJavaBeansAccess(JavaBeansAccess access) {
295 javaBeansAccess = access;
296 }
297
298 public static JavaUtilResourceBundleAccess getJavaUtilResourceBundleAccess() {
299 if (javaUtilResourceBundleAccess == null)
300 unsafe.ensureClassInitialized(ResourceBundle.class);
301 return javaUtilResourceBundleAccess;
302 }
303
304 public static void setJavaUtilResourceBundleAccess(JavaUtilResourceBundleAccess access) {
305 javaUtilResourceBundleAccess = access;
306 }
307
308 public static JavaObjectInputStreamAccess getJavaObjectInputStreamAccess() {
309 if (javaObjectInputStreamAccess == null) {
310 unsafe.ensureClassInitialized(ObjectInputStream.class);
311 }
312 return javaObjectInputStreamAccess;
313 }
314
315 public static void setJavaObjectInputStreamAccess(JavaObjectInputStreamAccess access) {
316 javaObjectInputStreamAccess = access;
317 }
318
319 public static JavaObjectInputFilterAccess getJavaObjectInputFilterAccess() {
320 if (javaObjectInputFilterAccess == null) {
321 unsafe.ensureClassInitialized(ObjectInputFilter.Config.class);
322 }
323 return javaObjectInputFilterAccess;
324 }
325
326 public static void setJavaObjectInputFilterAccess(JavaObjectInputFilterAccess access) {
327 javaObjectInputFilterAccess = access;
328 }
329
330 public static void setJavaIORandomAccessFileAccess(JavaIORandomAccessFileAccess jirafa) {
331 javaIORandomAccessFileAccess = jirafa;
332 }
333
334 public static JavaIORandomAccessFileAccess getJavaIORandomAccessFileAccess() {
335 if (javaIORandomAccessFileAccess == null) {
336 unsafe.ensureClassInitialized(RandomAccessFile.class);
337 }
338 return javaIORandomAccessFileAccess;
339 }
340
341 public static void setJavaSecuritySignatureAccess(JavaSecuritySignatureAccess jssa) {
342 javaSecuritySignatureAccess = jssa;
343 }
344
345 public static JavaSecuritySignatureAccess getJavaSecuritySignatureAccess() {
346 if (javaSecuritySignatureAccess == null) {
347 unsafe.ensureClassInitialized(Signature.class);
348 }
349 return javaSecuritySignatureAccess;
350 }
351
352 public static void setJavaxCryptoSealedObjectAccess(JavaxCryptoSealedObjectAccess jcsoa) {
353 javaxCryptoSealedObjectAccess = jcsoa;
354 }
355
356 public static JavaxCryptoSealedObjectAccess getJavaxCryptoSealedObjectAccess() {
357 if (javaxCryptoSealedObjectAccess == null) {
358 unsafe.ensureClassInitialized(SealedObject.class);
359 }
360 return javaxCryptoSealedObjectAccess;
361 }
362 }