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/security/SignedJar/SignedJarWithCustomClassLoader.java
+++ b/test/jdk/java/security/SignedJar/SignedJarWithCustomClassLoader.java
@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2022, 2023, 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 8280890
+ * @library /test/lib
+ * @build SignedJarWithCustomClassLoader CustomClassLoader
+ * @run main/othervm SignedJarWithCustomClassLoader
+ * @summary Make sure java.system.class.loader property can be used when custom
+ *     class loader is inside signed jar
+ */
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import jdk.test.lib.SecurityTools;
+import jdk.test.lib.compiler.InMemoryJavaCompiler;
+import jdk.test.lib.helpers.ClassFileInstaller;
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.util.JarUtils;
+
+public class SignedJarWithCustomClassLoader {
+
+    public static void main(String[] args) throws Exception {
+
+        // compile the Main program
+        String main = """
+                      public class Main {
+                          public static void main(String[] args) {}
+                      }
+                      """;
+        String testClasses = System.getProperty("test.classes", "");
+        ClassFileInstaller.writeClassToDisk("Main",
+             InMemoryJavaCompiler.compile("Main", main),
+             testClasses);
+
+        // create the jar file
+        Path classes = Paths.get(testClasses);
+        JarUtils.createJarFile(Paths.get("test.jar"), classes,
+            classes.resolve("CustomClassLoader.class"),
+            classes.resolve("Main.class"));
+
+        // create signer's keypair
+        SecurityTools.keytool("-genkeypair -keyalg RSA -keystore ks " +
+                              "-storepass changeit -dname CN=test -alias test")
+                     .shouldHaveExitValue(0);
+
+        // sign jar
+        SecurityTools.jarsigner("-keystore ks -storepass changeit " +
+                                "-signedjar signed.jar test.jar test")
+                     .shouldHaveExitValue(0);
+
+        // run app with system class loader set to custom classloader
+        ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
+            "-cp", "signed.jar",
+            "-Djava.system.class.loader=CustomClassLoader", "Main");
+        ProcessTools.executeProcess(pb)
+                    .shouldHaveExitValue(0);
+
+        // sign jar again, but this time with SHA-1 which is disabled
+        SecurityTools.jarsigner("-keystore ks -storepass changeit " +
+                                "-digestalg SHA-1 -sigalg SHA1withRSA " +
+                                "-signedjar signed.jar test.jar test")
+                     .shouldHaveExitValue(0);
+
+        // run app again, should still succeed even though SHA-1 is disabled
+        pb = ProcessTools.createLimitedTestJavaProcessBuilder(
+            "-cp", "signed.jar",
+            "-Djava.system.class.loader=CustomClassLoader", "Main");
+        ProcessTools.executeProcess(pb)
+                    .shouldHaveExitValue(0);
+    }
+}