| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hive.hcatalog; |
| |
| import org.apache.derby.security.SystemPermission; |
| |
| import java.security.CodeSource; |
| import java.security.Permission; |
| import java.security.PermissionCollection; |
| import java.security.Policy; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Enumeration; |
| import java.util.Iterator; |
| |
| /** |
| * A security policy that grants usederbyinternals |
| * |
| * <p> |
| * HCatalog tests use Security Manager to handle exits. With Derby version 10.14.1, if a |
| * security manager is configured, embedded Derby requires usederbyinternals permission, and |
| * that is checked directly using AccessController.checkPermission. This class will be used to |
| * setup a security policy to grant usederbyinternals, in tests that use NoExitSecurityManager. |
| * </p> |
| */ |
| public class DerbyPolicy extends Policy { |
| |
| private static PermissionCollection perms; |
| |
| public DerbyPolicy() { |
| super(); |
| if (perms == null) { |
| perms = new DerbyPermissionCollection(); |
| addPermissions(); |
| } |
| } |
| |
| @Override |
| public PermissionCollection getPermissions(CodeSource codesource) { |
| return perms; |
| } |
| |
| private void addPermissions() { |
| SystemPermission systemPermission = new SystemPermission("engine", "usederbyinternals"); |
| perms.add(systemPermission); |
| } |
| |
| class DerbyPermissionCollection extends PermissionCollection { |
| |
| ArrayList<Permission> perms = new ArrayList<Permission>(); |
| |
| public void add(Permission p) { |
| perms.add(p); |
| } |
| |
| public boolean implies(Permission p) { |
| for (Iterator<Permission> i = perms.iterator(); i.hasNext();) { |
| if (((Permission) i.next()).implies(p)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public Enumeration<Permission> elements() { |
| return Collections.enumeration(perms); |
| } |
| |
| public boolean isReadOnly() { |
| return false; |
| } |
| } |
| } |
| |