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/java/util/jar/JarInputStream/ExtraFileInMetaInf.java
+++ b/test/jdk/java/util/jar/JarInputStream/ExtraFileInMetaInf.java
@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2013, 2026, 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 8021788
+ * @summary JarInputStream doesn't provide certificates for some file under META-INF
+ * @modules java.base/sun.security.tools.keytool
+ *          jdk.jartool/sun.security.tools.jarsigner
+ * @run junit ExtraFileInMetaInf
+ */
+
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import java.util.jar.*;
+import java.io.*;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.fail;
+
+public class ExtraFileInMetaInf {
+
+    @BeforeAll
+    static void setup() throws Exception {
+        // Create a zip file with 2 entries
+        try (ZipOutputStream zos =
+                     new ZipOutputStream(new FileOutputStream("x.jar"))) {
+            zos.putNextEntry(new ZipEntry("META-INF/SUB/file"));
+            zos.write(new byte[10]);
+            zos.putNextEntry(new ZipEntry("x"));
+            zos.write(new byte[10]);
+        }
+
+        // Sign it
+        new File("ks").delete();
+        sun.security.tools.keytool.Main.main(
+                ("-keystore ks -storepass changeit -keypass changeit " +
+                        "-keyalg rsa -alias a -dname CN=A -genkeypair").split(" "));
+        sun.security.tools.jarsigner.Main.main(
+                "-keystore ks -storepass changeit x.jar a".split(" "));
+    }
+
+    @Test
+    void checkSignedTest() throws IOException {
+        // Check if the entries are signed
+        try (JarInputStream jis =
+                     new JarInputStream(new FileInputStream("x.jar"))) {
+            JarEntry je;
+            while ((je = jis.getNextJarEntry()) != null) {
+                String name = je.toString();
+                if (name.equals("META-INF/SUB/file") || name.equals("x")) {
+                    while (jis.read(new byte[1000]) >= 0);
+                    assertNotNull(je.getCertificates(), name + " not signed");
+                }
+            }
+        }
+    }
+}