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103 lines
4.1 KiB
Java
103 lines
4.1 KiB
Java
/*
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* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.validator;
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import java.security.cert.X509Certificate;
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import java.time.LocalDate;
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import java.time.Month;
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import java.time.ZoneOffset;
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import java.util.Date;
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import java.util.Map;
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import java.util.Set;
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import sun.security.util.Debug;
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import sun.security.x509.X509CertImpl;
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/**
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* This class checks if Camerfirma issued TLS Server certificates should be
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* restricted.
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*/
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final class CamerfirmaTLSPolicy {
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private static final Debug debug = Debug.getInstance("certpath");
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// SHA-256 certificate fingerprint of distrusted root for TLS
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// cacerts alias: camerfirmachambersca
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// DN: CN=Chambers of Commerce Root - 2008,
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// O=AC Camerfirma S.A., SERIALNUMBER=A82743287,
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// L=Madrid (see current address at www.camerfirma.com/address),
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// C=EU
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private static final String FINGERPRINT =
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"063E4AFAC491DFD332F3089B8542E94617D893D7FE944E10A7937EE29D9693C0";
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// Any TLS Server certificate that is anchored by one of the Camerfirma
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// roots above and is issued after this date will be distrusted.
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private static final LocalDate APRIL_15_2025 =
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LocalDate.of(2025, Month.APRIL, 15);
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/**
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* This method assumes the eeCert is a TLS Server Cert and chains back to
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* the anchor.
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*
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* @param chain the end-entity's certificate chain. The end entity cert
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* is at index 0, the trust anchor at index n-1.
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* @throws ValidatorException if the certificate is distrusted
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*/
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static void checkDistrust(X509Certificate[] chain)
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throws ValidatorException {
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X509Certificate anchor = chain[chain.length-1];
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String fp = fingerprint(anchor);
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if (fp == null) {
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throw new ValidatorException("Cannot generate fingerprint for "
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+ "trust anchor of TLS server certificate");
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}
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if (FINGERPRINT.equalsIgnoreCase(fp)) {
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Date notBefore = chain[0].getNotBefore();
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LocalDate ldNotBefore = LocalDate.ofInstant(notBefore.toInstant(),
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ZoneOffset.UTC);
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// reject if certificate is issued after April 15, 2025
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checkNotBefore(ldNotBefore, APRIL_15_2025, anchor);
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}
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}
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private static String fingerprint(X509Certificate cert) {
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return X509CertImpl.getFingerprint("SHA-256", cert, debug);
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}
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private static void checkNotBefore(LocalDate notBeforeDate,
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LocalDate distrustDate, X509Certificate anchor)
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throws ValidatorException {
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if (notBeforeDate.isAfter(distrustDate)) {
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throw new ValidatorException
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("TLS Server certificate issued after " + distrustDate +
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" and anchored by a distrusted legacy Camerfirma root CA: "
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+ anchor.getSubjectX500Principal(),
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ValidatorException.T_UNTRUSTED_CERT, anchor);
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}
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}
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private CamerfirmaTLSPolicy() {}
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}
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