1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* Copyright (c) 2021, 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.
*/
/*
* @test
* @bug 4847239
* @summary Verify directory parameter behavior in File.createTempFile(String,String,File)
*/
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.AclEntry;
import java.nio.file.attribute.AclEntryPermission;
import java.nio.file.attribute.AclFileAttributeView;
import java.nio.file.attribute.PosixFileAttributeView;
import java.nio.file.attribute.PosixFilePermission;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public class TargetDirectory {
public static void main(String[] args) throws Exception {
// Target directory exists and is writable
Path dir = Path.of("target");
File target = Files.createDirectory(dir).toFile();
File tmp = File.createTempFile("passes", null, target);
if (!Files.exists(tmp.toPath())) {
throw new RuntimeException("Temp file not created");
}
tmp.delete();
// Make target directory read-only
if (Files.getFileStore(dir).supportsFileAttributeView("posix")) {
PosixFileAttributeView view =
Files.getFileAttributeView(dir, PosixFileAttributeView.class);
Set<PosixFilePermission> perms = new HashSet<>();
perms.add(PosixFilePermission.valueOf("OWNER_READ"));
view.setPermissions(perms);
} else if (Files.getFileStore(dir).supportsFileAttributeView("acl")) {
AclFileAttributeView view = Files.getFileAttributeView(dir,
AclFileAttributeView.class);
List<AclEntry> entries = new ArrayList<>();
for (AclEntry entry : view.getAcl()) {
Set<AclEntryPermission> perms =
new HashSet<>(entry.permissions());
perms.remove(AclEntryPermission.ADD_FILE);
entries.add(AclEntry.newBuilder().setType(entry.type())
.setPrincipal(entry.principal()).setPermissions(perms)
.build());
}
view.setAcl(entries);
} else {
throw new RuntimeException("Required attribute view not supported");
}
// Target directory exists but is read-only
try {
File.createTempFile("readonly", null, target);
throw new RuntimeException("Exception not thrown for read-only target directory");
} catch (IOException expected) {
} finally {
target.delete();
}
// Target directory does not exist
try {
File.createTempFile("nonexistent", null, new File("void"));
throw new RuntimeException("Exception not thrown for non-existent target directory");
} catch (IOException expected) {
}
// Target is a file, not a directory
target = Files.createFile(Path.of("file")).toFile();
try {
File.createTempFile("file", null, target);
throw new RuntimeException("Exception not thrown for file target");
} catch (IOException expected) {
} finally {
target.delete();
}
}
}
|
