212 * @return the login Configuration. If a Configuration object was set
213 * via the {@code Configuration.setConfiguration} method,
214 * then that object is returned. Otherwise, a default
215 * Configuration object is returned.
216 *
217 * @exception SecurityException if the caller does not have permission
218 * to retrieve the Configuration.
219 *
220 * @see #setConfiguration
221 */
222 public static Configuration getConfiguration() {
223
224 SecurityManager sm = System.getSecurityManager();
225 if (sm != null)
226 sm.checkPermission(new AuthPermission("getLoginConfiguration"));
227
228 synchronized (Configuration.class) {
229 if (configuration == null) {
230 String config_class = null;
231 config_class = AccessController.doPrivileged
232 (new PrivilegedAction<String>() {
233 public String run() {
234 return java.security.Security.getProperty
235 ("login.configuration.provider");
236 }
237 });
238 if (config_class == null) {
239 config_class = "sun.security.provider.ConfigFile";
240 }
241
242 try {
243 final String finalClass = config_class;
244 Configuration untrustedImpl = AccessController.doPrivileged(
245 new PrivilegedExceptionAction<Configuration>() {
246 public Configuration run() throws ClassNotFoundException,
247 InstantiationException,
248 IllegalAccessException {
249 Class<? extends Configuration> implClass = Class.forName(
250 finalClass, false,
251 Thread.currentThread().getContextClassLoader()
252 ).asSubclass(Configuration.class);
253 return implClass.newInstance();
254 }
255 });
256 AccessController.doPrivileged(
257 new PrivilegedExceptionAction<Void>() {
258 public Void run() {
259 setConfiguration(untrustedImpl);
260 return null;
261 }
262 }, Objects.requireNonNull(untrustedImpl.acc)
263 );
264 } catch (PrivilegedActionException e) {
265 Exception ee = e.getException();
266 if (ee instanceof InstantiationException) {
267 throw (SecurityException) new
268 SecurityException
269 ("Configuration error:" +
270 ee.getCause().getMessage() +
271 "\n").initCause(ee.getCause());
272 } else {
273 throw (SecurityException) new
274 SecurityException
275 ("Configuration error: " +
276 ee.toString() +
277 "\n").initCause(ee);
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212 * @return the login Configuration. If a Configuration object was set
213 * via the {@code Configuration.setConfiguration} method,
214 * then that object is returned. Otherwise, a default
215 * Configuration object is returned.
216 *
217 * @exception SecurityException if the caller does not have permission
218 * to retrieve the Configuration.
219 *
220 * @see #setConfiguration
221 */
222 public static Configuration getConfiguration() {
223
224 SecurityManager sm = System.getSecurityManager();
225 if (sm != null)
226 sm.checkPermission(new AuthPermission("getLoginConfiguration"));
227
228 synchronized (Configuration.class) {
229 if (configuration == null) {
230 String config_class = null;
231 config_class = AccessController.doPrivileged
232 (new PrivilegedAction<>() {
233 public String run() {
234 return java.security.Security.getProperty
235 ("login.configuration.provider");
236 }
237 });
238 if (config_class == null) {
239 config_class = "sun.security.provider.ConfigFile";
240 }
241
242 try {
243 final String finalClass = config_class;
244 Configuration untrustedImpl = AccessController.doPrivileged(
245 new PrivilegedExceptionAction<>() {
246 public Configuration run() throws ClassNotFoundException,
247 InstantiationException,
248 IllegalAccessException {
249 Class<? extends Configuration> implClass = Class.forName(
250 finalClass, false,
251 Thread.currentThread().getContextClassLoader()
252 ).asSubclass(Configuration.class);
253 return implClass.newInstance();
254 }
255 });
256 AccessController.doPrivileged(
257 new PrivilegedExceptionAction<>() {
258 public Void run() {
259 setConfiguration(untrustedImpl);
260 return null;
261 }
262 }, Objects.requireNonNull(untrustedImpl.acc)
263 );
264 } catch (PrivilegedActionException e) {
265 Exception ee = e.getException();
266 if (ee instanceof InstantiationException) {
267 throw (SecurityException) new
268 SecurityException
269 ("Configuration error:" +
270 ee.getCause().getMessage() +
271 "\n").initCause(ee.getCause());
272 } else {
273 throw (SecurityException) new
274 SecurityException
275 ("Configuration error: " +
276 ee.toString() +
277 "\n").initCause(ee);
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