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/cert/CertPathValidator/targetConstraints/ValidateTargetConstraints.java
+++ b/test/jdk/java/security/cert/CertPathValidator/targetConstraints/ValidateTargetConstraints.java
@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2001, 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 4459538
+ * @summary make sure that target constraints are processed correctly
+ *      by a PKIX CertPathValidator
+ */
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import java.math.BigInteger;
+
+import java.security.cert.CertificateFactory;
+import java.security.cert.CertPath;
+import java.security.cert.CertPathValidator;
+import java.security.cert.CertPathValidatorException;
+import java.security.cert.CertPathValidatorResult;
+import java.security.cert.PKIXParameters;
+import java.security.cert.TrustAnchor;
+import java.security.cert.X509Certificate;
+import java.security.cert.X509CertSelector;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * ValidateTargetConstraints performs a simple validation of a certification
+ * path, but adds a requirement that the serial number of the last
+ * certificate match an arbitrarily chosen number. This should cause the
+ * validation to fail.
+ *
+ * @author      Steve Hanna
+ * @author      Sean Mullan
+ */
+public final class ValidateTargetConstraints {
+
+    private static CertPath path;
+    private static PKIXParameters params;
+
+    public static void main(String[] args) throws Exception {
+
+        String[] certs = { "sun.cer", "sun2labs1.cer" };
+
+        try {
+            createPath(certs);
+            validate(path, params);
+            throw new Exception
+                ("CertPath should not have been validated succesfully");
+        } catch (CertPathValidatorException cpve) {
+            System.out.println("Test failed as expected: " + cpve);
+        }
+    }
+
+    public static void createPath(String[] certs) throws Exception {
+        TrustAnchor anchor = new TrustAnchor(getCertFromFile(certs[0]), null);
+        List list = new ArrayList();
+        for (int i = 1; i < certs.length; i++) {
+            list.add(0, getCertFromFile(certs[i]));
+        }
+        CertificateFactory cf = CertificateFactory.getInstance("X509");
+        path = cf.generateCertPath(list);
+
+        Set anchors = Collections.singleton(anchor);
+        params = new PKIXParameters(anchors);
+        params.setRevocationEnabled(false);
+        X509CertSelector sel = new X509CertSelector();
+        sel.setSerialNumber(new BigInteger("1427"));
+        params.setTargetCertConstraints(sel);
+    }
+
+    /**
+     * Get a DER-encoded X.509 certificate from a file.
+     *
+     * @param certFilePath path to file containing DER-encoded certificate
+     * @return X509Certificate
+     * @throws IOException on error
+     */
+    public static X509Certificate getCertFromFile(String certFilePath)
+        throws IOException {
+            X509Certificate cert = null;
+            try {
+                File certFile = new File(System.getProperty("test.src", "."),
+                    certFilePath);
+                FileInputStream certFileInputStream =
+                    new FileInputStream(certFile);
+                CertificateFactory cf = CertificateFactory.getInstance("X509");
+                cert = (X509Certificate)
+                    cf.generateCertificate(certFileInputStream);
+            } catch (Exception e) {
+                e.printStackTrace();
+                throw new IOException("Can't construct X509Certificate: " +
+                                      e.getMessage());
+            }
+            return cert;
+    }
+
+    /**
+     * Perform a PKIX validation.
+     *
+     * @param path CertPath to validate
+     * @param params PKIXParameters to use in validation
+     * @throws Exception on error
+     */
+    public static void validate(CertPath path, PKIXParameters params)
+        throws Exception {
+        CertPathValidator validator =
+            CertPathValidator.getInstance("PKIX");
+        CertPathValidatorResult cpvr = validator.validate(path, params);
+    }
+}