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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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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.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
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test/jdk/java/security/cert/CertPathBuilder/targetConstraints/BuildEEBasicConstraints.java Normal file
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/*
* Copyright (c) 2008, 2022, 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.
*/
// This test case relies on updated static security property, no way to re-use
// security property in samevm/agentvm mode.
/**
* @test
* @bug 6714842
* @library /test/lib
* @run main/othervm BuildEEBasicConstraints
* @summary make sure a PKIX CertPathBuilder builds a path to an
* end entity certificate when the setBasicConstraints method of the
* X509CertSelector of the targetConstraints PKIXBuilderParameters
* parameter is set to -2.
*/
import java.security.Security;
import java.security.cert.Certificate;
import java.security.cert.CertPath;
import java.security.cert.CertStore;
import java.security.cert.CollectionCertStoreParameters;
import java.security.cert.PKIXBuilderParameters;
import java.security.cert.PKIXCertPathBuilderResult;
import java.security.cert.TrustAnchor;
import java.security.cert.X509Certificate;
import java.security.cert.X509CertSelector;
import java.text.DateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import jdk.test.lib.security.CertUtils;
public final class BuildEEBasicConstraints {
public static void main(String[] args) throws Exception {
// reset the security property to make sure that the algorithms
// and keys used in this test are not disabled.
Security.setProperty("jdk.certpath.disabledAlgorithms", "MD2");
X509Certificate rootCert = CertUtils.getCertFromFile("anchor.cer");
TrustAnchor anchor = new TrustAnchor
(rootCert.getSubjectX500Principal(), rootCert.getPublicKey(), null);
X509CertSelector sel = new X509CertSelector();
sel.setBasicConstraints(-2);
PKIXBuilderParameters params = new PKIXBuilderParameters
(Collections.singleton(anchor), sel);
params.setRevocationEnabled(false);
// Certs expired on 7th Nov 2022
params.setDate(DateFormat.getDateInstance(DateFormat.MEDIUM,
Locale.US).parse("June 01, 2022"));
X509Certificate eeCert = CertUtils.getCertFromFile("ee.cer");
X509Certificate caCert = CertUtils.getCertFromFile("ca.cer");
ArrayList<X509Certificate> certs = new ArrayList<X509Certificate>();
certs.add(caCert);
certs.add(eeCert);
CollectionCertStoreParameters ccsp =
new CollectionCertStoreParameters(certs);
CertStore cs = CertStore.getInstance("Collection", ccsp);
params.addCertStore(cs);
PKIXCertPathBuilderResult res = CertUtils.build(params);
CertPath cp = res.getCertPath();
// check that first certificate is an EE cert
List<? extends Certificate> certList = cp.getCertificates();
X509Certificate cert = (X509Certificate) certList.get(0);
if (cert.getBasicConstraints() != -1) {
throw new Exception("Target certificate is not an EE certificate");
}
}
}