src/share/classes/com/sun/jmx/remote/security/MBeanServerFileAccessController.java

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   1 /*
   2  * Copyright (c) 2003, 2008, 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


 266      * {@link #MBeanServerFileAccessController(String,MBeanServer)}
 267      * constructors to specify a file from which the entries are read,
 268      * the file is re-read.</p>
 269      *
 270      * <p>If this instance was created using the
 271      * {@link #MBeanServerFileAccessController(Properties)} or
 272      * {@link #MBeanServerFileAccessController(Properties,MBeanServer)}
 273      * constructors then a new copy of the <code>Properties</code> object
 274      * is made.</p>
 275      *
 276      * @exception IOException if the file does not exist, is a
 277      * directory rather than a regular file, or for some other
 278      * reason cannot be opened for reading.
 279      *
 280      * @exception IllegalArgumentException if any of the supplied access
 281      * level values differs from "readonly" or "readwrite".
 282      */
 283     public synchronized void refresh() throws IOException {
 284         Properties props;
 285         if (accessFileName == null)
 286             props = (Properties) originalProps;
 287         else
 288             props = propertiesFromFile(accessFileName);
 289         parseProperties(props);
 290     }
 291 
 292     private static Properties propertiesFromFile(String fname)
 293         throws IOException {
 294         FileInputStream fin = new FileInputStream(fname);
 295         try {
 296             Properties p = new Properties();
 297             p.load(fin);
 298             return p;
 299         } finally {
 300             fin.close();
 301         }
 302     }
 303 
 304     private synchronized void checkAccess(AccessType requiredAccess, String arg) {
 305         final AccessControlContext acc = AccessController.getContext();
 306         final Subject s =


   1 /*
   2  * Copyright (c) 2003, 2014, 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


 266      * {@link #MBeanServerFileAccessController(String,MBeanServer)}
 267      * constructors to specify a file from which the entries are read,
 268      * the file is re-read.</p>
 269      *
 270      * <p>If this instance was created using the
 271      * {@link #MBeanServerFileAccessController(Properties)} or
 272      * {@link #MBeanServerFileAccessController(Properties,MBeanServer)}
 273      * constructors then a new copy of the <code>Properties</code> object
 274      * is made.</p>
 275      *
 276      * @exception IOException if the file does not exist, is a
 277      * directory rather than a regular file, or for some other
 278      * reason cannot be opened for reading.
 279      *
 280      * @exception IllegalArgumentException if any of the supplied access
 281      * level values differs from "readonly" or "readwrite".
 282      */
 283     public synchronized void refresh() throws IOException {
 284         Properties props;
 285         if (accessFileName == null)
 286             props = originalProps;
 287         else
 288             props = propertiesFromFile(accessFileName);
 289         parseProperties(props);
 290     }
 291 
 292     private static Properties propertiesFromFile(String fname)
 293         throws IOException {
 294         FileInputStream fin = new FileInputStream(fname);
 295         try {
 296             Properties p = new Properties();
 297             p.load(fin);
 298             return p;
 299         } finally {
 300             fin.close();
 301         }
 302     }
 303 
 304     private synchronized void checkAccess(AccessType requiredAccess, String arg) {
 305         final AccessControlContext acc = AccessController.getContext();
 306         final Subject s =