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/Provider/ChangeProviders.java
+++ b/test/jdk/java/security/Provider/ChangeProviders.java
@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2003, 2025, 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 4856968 7054918 8130181 8175874
+ * @library /test/lib
+ * @summary make sure add/insert/removeProvider() work correctly
+ * @author Andreas Sterbenz
+ */
+
+import java.security.*;
+import jdk.test.lib.security.ProvidersSnapshot;
+
+public class ChangeProviders extends Provider {
+
+    private ChangeProviders() {
+        super("Foo", "47.23", "none");
+    }
+
+    private static int plen() {
+        return Security.getProviders().length;
+    }
+
+    public static void main(String[] args) throws Exception {
+        ProvidersSnapshot snapshot = ProvidersSnapshot.create();
+        try {
+            main0(args);
+        } finally {
+            snapshot.restore();
+        }
+    }
+
+    public static void main0(String[] args) throws Exception {
+        long start = System.currentTimeMillis();
+        Provider p = new ChangeProviders();
+
+        int n = plen();
+        Security.addProvider(p);
+        if (plen() != n + 1) {
+            throw new Exception("Provider not added");
+        }
+        Security.addProvider(p);
+        if (plen() != n + 1) {
+            throw new Exception("Provider readded");
+        }
+        Security.insertProviderAt(p, 1);
+        if (plen() != n + 1) {
+            throw new Exception("Provider readded");
+        }
+        Security.removeProvider(p.getName());
+        if ((plen() != n) || (Security.getProvider(p.getName()) != null)) {
+            throw new Exception("Provider not removed");
+        }
+        Security.insertProviderAt(p, 1);
+        if (plen() != n + 1) {
+            throw new Exception("Provider not added");
+        }
+        if (Security.getProviders()[0] != p) {
+            throw new Exception("Provider not at pos 1");
+        }
+
+        // Ensure that providers inserted at positions outside of [1..n] are placed
+        // at the n+1st position
+        Security.removeProvider(p.getName());
+        Security.insertProviderAt(p, 0);
+        if (plen() != n + 1 || Security.getProviders()[n] != p) {
+            throw new Exception("Provider inserted at zero not at pos n+1");
+        }
+        Security.removeProvider(p.getName());
+        Security.insertProviderAt(p, n + 5);
+        if (plen() != n + 1 || Security.getProviders()[n] != p) {
+            throw new Exception("Provider inserted at n+5 not at pos n+1");
+        }
+
+        System.out.println("All tests passed.");
+    }
+
+}