1 /*
2 * Copyright (c) 2002, 2018, 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.misc;
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
40 /** A repository of "shared secrets", which are a mechanism for
41 calling implementation-private methods in another package without
42 using reflection. A package-private class implements a public
43 interface and provides the ability to call package-private methods
44 within that package; the object implementing that interface is
45 provided through a third package to which access is restricted.
46 This framework avoids the primary disadvantage of using reflection
47 for this purpose, namely the loss of compile-time checking. */
48
49 public class SharedSecrets {
50 private static final Unsafe unsafe = Unsafe.getUnsafe();
51 private static JavaUtilJarAccess javaUtilJarAccess;
52 private static JavaLangAccess javaLangAccess;
53 private static JavaLangModuleAccess javaLangModuleAccess;
54 private static JavaLangInvokeAccess javaLangInvokeAccess;
55 private static JavaLangRefAccess javaLangRefAccess;
56 private static JavaIOAccess javaIOAccess;
57 private static JavaNetInetAddressAccess javaNetInetAddressAccess;
58 private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
59 private static JavaNetSocketAccess javaNetSocketAccess;
60 private static JavaNetUriAccess javaNetUriAccess;
61 private static JavaNetURLAccess javaNetURLAccess;
62 private static JavaNetURLClassLoaderAccess javaNetURLClassLoaderAccess;
63 private static JavaNioAccess javaNioAccess;
64 private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
65 private static JavaIOFilePermissionAccess javaIOFilePermissionAccess;
66 private static JavaSecurityAccess javaSecurityAccess;
67 private static JavaUtilZipFileAccess javaUtilZipFileAccess;
68 private static JavaUtilResourceBundleAccess javaUtilResourceBundleAccess;
69 private static JavaAWTAccess javaAWTAccess;
70 private static JavaAWTFontAccess javaAWTFontAccess;
71 private static JavaBeansAccess javaBeansAccess;
72 private static JavaObjectInputStreamAccess javaObjectInputStreamAccess;
73 private static JavaObjectInputFilterAccess javaObjectInputFilterAccess;
74 private static JavaIORandomAccessFileAccess javaIORandomAccessFileAccess;
75 private static JavaxCryptoSealedObjectAccess javaxCryptoSealedObjectAccess;
76
77 public static JavaUtilJarAccess javaUtilJarAccess() {
78 if (javaUtilJarAccess == null) {
79 // Ensure JarFile is initialized; we know that that class
80 // provides the shared secret
81 unsafe.ensureClassInitialized(JarFile.class);
82 }
83 return javaUtilJarAccess;
84 }
85
86 public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
87 javaUtilJarAccess = access;
88 }
89
90 public static void setJavaLangAccess(JavaLangAccess jla) {
91 javaLangAccess = jla;
92 }
93
94 public static JavaLangAccess getJavaLangAccess() {
95 return javaLangAccess;
96 }
97
98 public static void setJavaLangInvokeAccess(JavaLangInvokeAccess jlia) {
99 javaLangInvokeAccess = jlia;
100 }
101
102 public static JavaLangInvokeAccess getJavaLangInvokeAccess() {
103 if (javaLangInvokeAccess == null) {
104 try {
105 Class<?> c = Class.forName("java.lang.invoke.MethodHandleImpl");
106 unsafe.ensureClassInitialized(c);
107 } catch (ClassNotFoundException e) {};
108 }
109 return javaLangInvokeAccess;
110 }
111
112 public static void setJavaLangModuleAccess(JavaLangModuleAccess jlrma) {
113 javaLangModuleAccess = jlrma;
114 }
115
116 public static JavaLangModuleAccess getJavaLangModuleAccess() {
117 if (javaLangModuleAccess == null) {
118 unsafe.ensureClassInitialized(ModuleDescriptor.class);
119 }
120 return javaLangModuleAccess;
121 }
122
123 public static void setJavaLangRefAccess(JavaLangRefAccess jlra) {
124 javaLangRefAccess = jlra;
125 }
126
127 public static JavaLangRefAccess getJavaLangRefAccess() {
128 return javaLangRefAccess;
129 }
130
131 public static void setJavaNetUriAccess(JavaNetUriAccess jnua) {
132 javaNetUriAccess = jnua;
133 }
134
135 public static JavaNetUriAccess getJavaNetUriAccess() {
136 if (javaNetUriAccess == null)
137 unsafe.ensureClassInitialized(java.net.URI.class);
138 return javaNetUriAccess;
139 }
140
141 public static void setJavaNetURLAccess(JavaNetURLAccess jnua) {
142 javaNetURLAccess = jnua;
143 }
144
145 public static JavaNetURLAccess getJavaNetURLAccess() {
146 if (javaNetURLAccess == null)
147 unsafe.ensureClassInitialized(java.net.URL.class);
148 return javaNetURLAccess;
149 }
150
151 public static void setJavaNetURLClassLoaderAccess(JavaNetURLClassLoaderAccess jnua) {
152 javaNetURLClassLoaderAccess = jnua;
153 }
154
155 public static JavaNetURLClassLoaderAccess getJavaNetURLClassLoaderAccess() {
156 if (javaNetURLClassLoaderAccess == null)
157 unsafe.ensureClassInitialized(java.net.URLClassLoader.class);
158 return javaNetURLClassLoaderAccess;
159 }
160
161 public static void setJavaNetInetAddressAccess(JavaNetInetAddressAccess jna) {
162 javaNetInetAddressAccess = jna;
163 }
164
165 public static JavaNetInetAddressAccess getJavaNetInetAddressAccess() {
166 if (javaNetInetAddressAccess == null)
167 unsafe.ensureClassInitialized(java.net.InetAddress.class);
168 return javaNetInetAddressAccess;
169 }
170
171 public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
172 javaNetHttpCookieAccess = a;
173 }
174
175 public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
176 if (javaNetHttpCookieAccess == null)
177 unsafe.ensureClassInitialized(java.net.HttpCookie.class);
178 return javaNetHttpCookieAccess;
179 }
180
181 public static void setJavaNetSocketAccess(JavaNetSocketAccess jnsa) {
182 javaNetSocketAccess = jnsa;
183 }
184
185 public static JavaNetSocketAccess getJavaNetSocketAccess() {
186 if (javaNetSocketAccess == null)
187 unsafe.ensureClassInitialized(java.net.ServerSocket.class);
188 return javaNetSocketAccess;
189 }
190
191 public static void setJavaNioAccess(JavaNioAccess jna) {
192 javaNioAccess = jna;
193 }
194
195 public static JavaNioAccess getJavaNioAccess() {
196 if (javaNioAccess == null) {
197 // Ensure java.nio.Buffer is initialized, which provides the
198 // shared secret.
199 unsafe.ensureClassInitialized(java.nio.Buffer.class);
200 }
201 return javaNioAccess;
202 }
203
204 public static void setJavaIOAccess(JavaIOAccess jia) {
205 javaIOAccess = jia;
206 }
207
208 public static JavaIOAccess getJavaIOAccess() {
209 if (javaIOAccess == null) {
210 unsafe.ensureClassInitialized(Console.class);
211 }
212 return javaIOAccess;
213 }
214
215 public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
216 javaIOFileDescriptorAccess = jiofda;
217 }
218
219 public static JavaIOFilePermissionAccess getJavaIOFilePermissionAccess() {
220 if (javaIOFilePermissionAccess == null)
221 unsafe.ensureClassInitialized(FilePermission.class);
222
223 return javaIOFilePermissionAccess;
224 }
225
226 public static void setJavaIOFilePermissionAccess(JavaIOFilePermissionAccess jiofpa) {
227 javaIOFilePermissionAccess = jiofpa;
228 }
229
230 public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
231 if (javaIOFileDescriptorAccess == null)
232 unsafe.ensureClassInitialized(FileDescriptor.class);
233
234 return javaIOFileDescriptorAccess;
235 }
236
237 public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
238 javaSecurityAccess = jsa;
239 }
240
241 public static JavaSecurityAccess getJavaSecurityAccess() {
242 if (javaSecurityAccess == null) {
243 unsafe.ensureClassInitialized(ProtectionDomain.class);
244 }
245 return javaSecurityAccess;
246 }
247
248 public static JavaUtilZipFileAccess getJavaUtilZipFileAccess() {
249 if (javaUtilZipFileAccess == null)
250 unsafe.ensureClassInitialized(java.util.zip.ZipFile.class);
251 return javaUtilZipFileAccess;
252 }
253
254 public static void setJavaUtilZipFileAccess(JavaUtilZipFileAccess access) {
255 javaUtilZipFileAccess = access;
256 }
257
258 public static void setJavaAWTAccess(JavaAWTAccess jaa) {
259 javaAWTAccess = jaa;
260 }
261
262 public static JavaAWTAccess getJavaAWTAccess() {
263 // this may return null in which case calling code needs to
264 // provision for.
265 return javaAWTAccess;
266 }
267
268 public static void setJavaAWTFontAccess(JavaAWTFontAccess jafa) {
269 javaAWTFontAccess = jafa;
270 }
271
272 public static JavaAWTFontAccess getJavaAWTFontAccess() {
273 // this may return null in which case calling code needs to
274 // provision for.
275 return javaAWTFontAccess;
276 }
277
278 public static JavaBeansAccess getJavaBeansAccess() {
279 return javaBeansAccess;
280 }
281
282 public static void setJavaBeansAccess(JavaBeansAccess access) {
283 javaBeansAccess = access;
284 }
285
286 public static JavaUtilResourceBundleAccess getJavaUtilResourceBundleAccess() {
287 if (javaUtilResourceBundleAccess == null)
288 unsafe.ensureClassInitialized(ResourceBundle.class);
289 return javaUtilResourceBundleAccess;
290 }
291
292 public static void setJavaUtilResourceBundleAccess(JavaUtilResourceBundleAccess access) {
293 javaUtilResourceBundleAccess = access;
294 }
295
296 public static JavaObjectInputStreamAccess getJavaObjectInputStreamAccess() {
297 if (javaObjectInputStreamAccess == null) {
298 unsafe.ensureClassInitialized(ObjectInputStream.class);
299 }
300 return javaObjectInputStreamAccess;
301 }
302
303 public static void setJavaObjectInputStreamAccess(JavaObjectInputStreamAccess access) {
304 javaObjectInputStreamAccess = access;
305 }
306
307 public static JavaObjectInputFilterAccess getJavaObjectInputFilterAccess() {
308 if (javaObjectInputFilterAccess == null) {
309 unsafe.ensureClassInitialized(ObjectInputFilter.Config.class);
310 }
311 return javaObjectInputFilterAccess;
312 }
313
314 public static void setJavaObjectInputFilterAccess(JavaObjectInputFilterAccess access) {
315 javaObjectInputFilterAccess = access;
316 }
317
318 public static void setJavaIORandomAccessFileAccess(JavaIORandomAccessFileAccess jirafa) {
319 javaIORandomAccessFileAccess = jirafa;
320 }
321
322 public static JavaIORandomAccessFileAccess getJavaIORandomAccessFileAccess() {
323 if (javaIORandomAccessFileAccess == null) {
324 unsafe.ensureClassInitialized(RandomAccessFile.class);
325 }
326 return javaIORandomAccessFileAccess;
327 }
328
329 public static void setJavaxCryptoSealedObjectAccess(JavaxCryptoSealedObjectAccess jcsoa) {
330 javaxCryptoSealedObjectAccess = jcsoa;
331 }
332
333 public static JavaxCryptoSealedObjectAccess getJavaxCryptoSealedObjectAccess() {
334 if (javaxCryptoSealedObjectAccess == null) {
335 unsafe.ensureClassInitialized(SealedObject.class);
336 }
337 return javaxCryptoSealedObjectAccess;
338 }
339 }