1 /* 2 * Copyright (c) 2010, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 6876541 26 * @summary Test Files.walkFileTree in the presence of a security manager 27 * @build WalkWithSecurity 28 * @run main/othervm WalkWithSecurity grantAll.policy pass 29 * @run main/othervm WalkWithSecurity denyAll.policy fail 30 * @run main/othervm WalkWithSecurity grantTopOnly.policy top_only 31 */ 32 33 import java.nio.file.*; 34 import java.nio.file.attribute.BasicFileAttributes; 35 import java.io.IOException; 36 37 public class WalkWithSecurity { 38 39 public static void main(String[] args) throws IOException { 40 String policyFile = args[0]; 41 ExpectedResult expectedResult = ExpectedResult.valueOf(args[1].toUpperCase()); 42 43 String here = System.getProperty("user.dir"); 44 String testSrc = System.getProperty("test.src"); 45 if (testSrc == null) 46 throw new RuntimeException("This test must be run by jtreg"); 47 Path dir = Paths.get(testSrc); 48 49 // Sanity check the environment 50 if (Files.isSameFile(Paths.get(here), dir)) 51 throw new RuntimeException("Working directory cannot be " + dir); 52 try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) { 53 if (!stream.iterator().hasNext()) 54 throw new RuntimeException(testSrc + " is empty"); 55 } 56 57 // Install security manager with the given policy file 58 System.setProperty("java.security.policy", 59 dir.resolve(policyFile).toString()); 60 System.setSecurityManager(new SecurityManager()); 61 62 // Walk the source tree 63 CountingVisitor visitor = new CountingVisitor(); 64 SecurityException exception = null; 65 try { 66 Files.walkFileTree(dir, visitor); 67 } catch (SecurityException se) { 68 exception = se; 69 } 70 71 // Check result 72 switch (expectedResult) { 73 case PASS: 74 if (exception != null) { 75 exception.printStackTrace(); 76 throw new RuntimeException("SecurityException not expected"); 77 } 78 if (visitor.count() == 0) 79 throw new RuntimeException("No files visited"); 80 break; 81 case FAIL: 82 if (exception == null) 83 throw new RuntimeException("SecurityException expected"); 84 if (visitor.count() > 0) 85 throw new RuntimeException("Files were visited"); 86 break; 87 case TOP_ONLY: 88 if (exception != null) { 89 exception.printStackTrace(); 90 throw new RuntimeException("SecurityException not expected"); 91 } 92 if (visitor.count() == 0) 93 throw new RuntimeException("Starting file not visited"); 94 if (visitor.count() > 1) 95 throw new RuntimeException("More than starting file visited"); 96 break; 97 default: 98 throw new RuntimeException("Should not get here"); 99 } 100 } 101 102 static enum ExpectedResult { 103 PASS, 104 FAIL, 105 TOP_ONLY; 106 } 107 108 static class CountingVisitor extends SimpleFileVisitor<Path> { 109 private int count; 110 111 int count() { 112 return count; 113 } 114 115 @Override 116 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) { 117 System.out.println(dir); 118 count++; 119 return FileVisitResult.CONTINUE; 120 } 121 122 @Override 123 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) { 124 System.out.println(file); 125 count++; 126 return FileVisitResult.CONTINUE; 127 } 128 } 129 }