/*
* 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;
}
}