undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

src/java.base/aix/classes/sun/nio/fs/AixFileSystemProvider.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2008, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2025 SAP SE. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package sun.nio.fs;
+
+import java.nio.file.*;
+import java.nio.file.attribute.*;
+import java.io.IOException;
+
+/**
+ * AIX implementation of FileSystemProvider
+ */
+
+class AixFileSystemProvider extends UnixFileSystemProvider {
+    public AixFileSystemProvider() {
+        super();
+    }
+
+    @Override
+    AixFileSystem newFileSystem(String dir) {
+        return new AixFileSystem(this, dir);
+    }
+
+    /**
+     * @see sun.nio.fs.UnixFileSystemProvider#getFileStore(sun.nio.fs.UnixPath)
+     */
+    @Override
+    AixFileStore getFileStore(UnixPath path) throws IOException {
+        return new AixFileStore(path);
+    }
+
+    private static boolean supportsUserDefinedFileAttributeView(UnixPath file) {
+        try {
+            FileStore store = new AixFileStore(file);
+            return store.supportsFileAttributeView(UserDefinedFileAttributeView.class);
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public <V extends FileAttributeView> V getFileAttributeView(Path obj,
+                                                                Class<V> type,
+                                                                LinkOption... options)
+    {
+        if (type == UserDefinedFileAttributeView.class) {
+            UnixPath file = UnixPath.toUnixPath(obj);
+            return supportsUserDefinedFileAttributeView(file) ?
+                (V) new AixUserDefinedFileAttributeView(file, Util.followLinks(options))
+                : null;
+        }
+        return super.getFileAttributeView(obj, type, options);
+    }
+
+    @Override
+    public DynamicFileAttributeView getFileAttributeView(Path obj,
+                                                         String name,
+                                                         LinkOption... options)
+    {
+        if (name.equals("user")) {
+            UnixPath file = UnixPath.toUnixPath(obj);
+            return supportsUserDefinedFileAttributeView(file) ?
+                new AixUserDefinedFileAttributeView(file, Util.followLinks(options))
+                : null;
+        }
+        return super.getFileAttributeView(obj, name, options);
+    }
+}