| /** |
| * 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.hadoop.hdfs.server.namenode; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.security.UserGroupInformation; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestName; |
| import static org.junit.Assert.*; |
| |
| /** |
| * Validate resolver assigning all paths to a single owner/group. |
| */ |
| public class TestSingleUGIResolver { |
| |
| @Rule public TestName name = new TestName(); |
| |
| private static final int TESTUID = 10101; |
| private static final int TESTGID = 10102; |
| private static final String TESTUSER = "tenaqvyybdhragqvatbf"; |
| private static final String TESTGROUP = "tnyybcvatlnxf"; |
| |
| private SingleUGIResolver ugi = new SingleUGIResolver(); |
| |
| @Before |
| public void setup() { |
| Configuration conf = new Configuration(false); |
| conf.setInt(SingleUGIResolver.UID, TESTUID); |
| conf.setInt(SingleUGIResolver.GID, TESTGID); |
| conf.set(SingleUGIResolver.USER, TESTUSER); |
| conf.set(SingleUGIResolver.GROUP, TESTGROUP); |
| ugi.setConf(conf); |
| System.out.println(name.getMethodName()); |
| } |
| |
| @Test |
| public void testRewrite() { |
| FsPermission p1 = new FsPermission((short)0755); |
| match(ugi.resolve(file("dingo", "dingo", p1)), p1); |
| match(ugi.resolve(file(TESTUSER, "dingo", p1)), p1); |
| match(ugi.resolve(file("dingo", TESTGROUP, p1)), p1); |
| match(ugi.resolve(file(TESTUSER, TESTGROUP, p1)), p1); |
| |
| FsPermission p2 = new FsPermission((short)0x8000); |
| match(ugi.resolve(file("dingo", "dingo", p2)), p2); |
| match(ugi.resolve(file(TESTUSER, "dingo", p2)), p2); |
| match(ugi.resolve(file("dingo", TESTGROUP, p2)), p2); |
| match(ugi.resolve(file(TESTUSER, TESTGROUP, p2)), p2); |
| |
| Map<Integer, String> ids = ugi.ugiMap(); |
| assertEquals(2, ids.size()); |
| assertEquals(TESTUSER, ids.get(10101)); |
| assertEquals(TESTGROUP, ids.get(10102)); |
| } |
| |
| @Test |
| public void testDefault() { |
| String user; |
| try { |
| user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| } catch (IOException e) { |
| user = "hadoop"; |
| } |
| Configuration conf = new Configuration(false); |
| ugi.setConf(conf); |
| Map<Integer, String> ids = ugi.ugiMap(); |
| assertEquals(2, ids.size()); |
| assertEquals(user, ids.get(0)); |
| assertEquals(user, ids.get(1)); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testInvalidUid() { |
| Configuration conf = ugi.getConf(); |
| conf.setInt(SingleUGIResolver.UID, (1 << 24) + 1); |
| ugi.setConf(conf); |
| ugi.resolve(file(TESTUSER, TESTGROUP, new FsPermission((short)0777))); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testInvalidGid() { |
| Configuration conf = ugi.getConf(); |
| conf.setInt(SingleUGIResolver.GID, (1 << 24) + 1); |
| ugi.setConf(conf); |
| ugi.resolve(file(TESTUSER, TESTGROUP, new FsPermission((short)0777))); |
| } |
| |
| @Test(expected=IllegalStateException.class) |
| public void testDuplicateIds() { |
| Configuration conf = new Configuration(false); |
| conf.setInt(SingleUGIResolver.UID, 4344); |
| conf.setInt(SingleUGIResolver.GID, 4344); |
| conf.set(SingleUGIResolver.USER, TESTUSER); |
| conf.set(SingleUGIResolver.GROUP, TESTGROUP); |
| ugi.setConf(conf); |
| ugi.ugiMap(); |
| } |
| |
| static void match(long encoded, FsPermission p) { |
| assertEquals(p, new FsPermission((short)(encoded & 0xFFFF))); |
| long uid = (encoded >>> UGIResolver.USER_STRID_OFFSET); |
| uid &= UGIResolver.USER_GROUP_STRID_MASK; |
| assertEquals(TESTUID, uid); |
| long gid = (encoded >>> UGIResolver.GROUP_STRID_OFFSET); |
| gid &= UGIResolver.USER_GROUP_STRID_MASK; |
| assertEquals(TESTGID, gid); |
| } |
| |
| static FileStatus file(String user, String group, FsPermission perm) { |
| Path p = new Path("foo://bar:4344/baz/dingo"); |
| return new FileStatus( |
| 4344 * (1 << 20), /* long length, */ |
| false, /* boolean isdir, */ |
| 1, /* int block_replication, */ |
| 256 * (1 << 20), /* long blocksize, */ |
| 0L, /* long modification_time, */ |
| 0L, /* long access_time, */ |
| perm, /* FsPermission permission, */ |
| user, /* String owner, */ |
| group, /* String group, */ |
| p); /* Path path */ |
| } |
| |
| } |