| /* |
| * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.security.*; |
| import java.util.PropertyPermission; |
| import java.net.SocketPermission; |
| import java.lang.*; |
| |
| public class DynamicPolicy extends Policy{ |
| |
| static int refresher = 0; |
| |
| |
| public DynamicPolicy() { |
| } |
| |
| public PermissionCollection getPermissions(CodeSource cs) { |
| |
| Permissions perms = new Permissions(); |
| initStaticPolicy(perms); |
| // Defalut policy in the beginning... |
| // toggle from refresh to refresh |
| if (refresher == 1) |
| perms.add(new PropertyPermission("user.name","read")); |
| |
| System.err.println("perms=[" + perms + "]"); |
| return perms; |
| } |
| |
| public boolean implies(ProtectionDomain pd, Permission p) { |
| return getPermissions(pd).implies(p); |
| } |
| |
| public PermissionCollection getPermissions(ProtectionDomain pd) { |
| |
| Permissions perms = new Permissions(); |
| initStaticPolicy(perms); |
| // Defalut policy in the beginning... |
| // toggle from refresh to refresh |
| if (refresher == 1) |
| perms.add(new PropertyPermission("user.name","read")); |
| |
| return perms; |
| } |
| |
| public void refresh() { |
| refresher++; |
| } |
| |
| private void initStaticPolicy(PermissionCollection perms) { |
| |
| perms.add(new java.security.SecurityPermission("getPolicy")); |
| perms.add(new java.security.SecurityPermission("setPolicy")); |
| perms.add(new java.lang.RuntimePermission("stopThread")); |
| perms.add(new java.net.SocketPermission("localhost:1024-", "listen")); |
| perms.add(new PropertyPermission("java.version","read")); |
| perms.add(new PropertyPermission("java.vendor","read")); |
| perms.add(new PropertyPermission("java.vendor.url","read")); |
| perms.add(new PropertyPermission("java.class.version","read")); |
| perms.add(new PropertyPermission("os.name","read")); |
| perms.add(new PropertyPermission("os.version","read")); |
| perms.add(new PropertyPermission("os.arch","read")); |
| perms.add(new PropertyPermission("file.separator","read")); |
| perms.add(new PropertyPermission("path.separator","read")); |
| perms.add(new PropertyPermission("line.separator","read")); |
| perms.add(new PropertyPermission("java.specification.version", "read")); |
| perms.add(new PropertyPermission("java.specification.vendor", "read")); |
| perms.add(new PropertyPermission("java.specification.name", "read")); |
| perms.add(new PropertyPermission("java.vm.specification.version", "read")); |
| perms.add(new PropertyPermission("java.vm.specification.vendor", "read")); |
| perms.add(new PropertyPermission("java.vm.specification.name", "read")); |
| perms.add(new PropertyPermission("java.vm.version", "read")); |
| perms.add(new PropertyPermission("java.vm.vendor", "read")); |
| perms.add(new PropertyPermission("java.vm.name", "read")); |
| return; |
| } |
| } |