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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/jdk/tools/jlink/CheckExecutable.java
+++ b/test/jdk/tools/jlink/CheckExecutable.java
@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015 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.
+ *
+ * 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 8132475
+ * @summary Check that jlink creates executables in the bin directory
+ *          that are executable by all users
+ * @run main CheckExecutable
+ * @author Volker Simonis
+ */
+
+import java.io.IOException;
+import java.nio.file.*;
+import java.nio.file.attribute.PosixFilePermission;
+import static java.nio.file.attribute.PosixFilePermission.*;
+import java.util.EnumSet;
+import java.util.Set;
+
+public class CheckExecutable {
+
+    // The bin directory may contain non-executable files (see 8132704)
+    private static final String IGNORE = "glob:{*.diz,jmc.ini,*.debuginfo}";
+
+    public static void main(String args[]) throws IOException {
+        String JAVA_HOME = System.getProperty("java.home");
+        Path bin = Paths.get(JAVA_HOME, "bin");
+
+        PathMatcher matcher = FileSystems.getDefault().getPathMatcher(IGNORE);
+
+        try (DirectoryStream<Path> stream = Files.newDirectoryStream(bin)) {
+            EnumSet<PosixFilePermission> execPerms
+                = EnumSet.of(GROUP_EXECUTE, OTHERS_EXECUTE, OWNER_EXECUTE);
+
+            for (Path entry : stream) {
+                Path file = entry.getFileName();
+                if (!Files.isRegularFile(entry) || matcher.matches(file)) {
+                    continue;
+                }
+
+                if (!Files.isExecutable(entry))
+                    throw new RuntimeException(entry + " is not executable!");
+
+                try {
+                    Set<PosixFilePermission> perm
+                        = Files.getPosixFilePermissions(entry);
+                    if (!perm.containsAll(execPerms)) {
+                        throw new RuntimeException(entry
+                            + " has not all executable permissions!\n"
+                            + "Should have: " + execPerms + "\nbut has: " + perm);
+                    }
+                } catch (UnsupportedOperationException uoe) { }
+
+            }
+
+        }
+    }
+}