author | ascarpino |
Mon, 10 Oct 2016 13:28:44 -0700 | |
changeset 41379 | 509c0e9a6b47 |
parent 37726 | bbecfff95ec3 |
child 41973 | 02ccd977c632 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, 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.util; |
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|
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.security.AccessController; |
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import java.security.KeyStore; |
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import java.security.PrivilegedAction; |
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import java.security.cert.X509Certificate; |
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import java.util.Collections; |
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import java.util.Enumeration; |
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import java.util.HashSet; |
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import java.util.Set; |
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import sun.security.x509.X509CertImpl; |
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/** |
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* The purpose of this class is to determine the trust anchor certificates is in |
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* the cacerts file. This is used for PKIX CertPath checking. |
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*/ |
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public class AnchorCertificates { |
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private static final Debug debug = Debug.getInstance("certpath"); |
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private static final String HASH = "SHA-256"; |
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private static Set<String> certs = Collections.emptySet(); |
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static { |
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AccessController.doPrivileged(new PrivilegedAction<Void>() { |
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@Override |
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public Void run() { |
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File f = new File(System.getProperty("java.home"), |
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"lib/security/cacerts"); |
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KeyStore cacerts; |
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try { |
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cacerts = KeyStore.getInstance("JKS"); |
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try (FileInputStream fis = new FileInputStream(f)) { |
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cacerts.load(fis, "changeit".toCharArray()); |
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certs = new HashSet<>(); |
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Enumeration<String> list = cacerts.aliases(); |
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String alias; |
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while (list.hasMoreElements()) { |
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alias = list.nextElement(); |
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// Check if this cert is labeled a trust anchor. |
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if (alias.contains(" [jdk")) { |
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X509Certificate cert = (X509Certificate) cacerts |
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.getCertificate(alias); |
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certs.add(X509CertImpl.getFingerprint(HASH, cert)); |
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} |
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} |
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} |
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} catch (Exception e) { |
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if (debug != null) { |
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debug.println("Error parsing cacerts"); |
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} |
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e.printStackTrace(); |
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} |
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return null; |
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} |
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}); |
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} |
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/** |
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* Checks if a certificate is a trust anchor. |
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* |
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* @param cert the certificate to check |
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* @return true if the certificate is trusted. |
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*/ |
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public static boolean contains(X509Certificate cert) { |
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String key = X509CertImpl.getFingerprint(HASH, cert); |
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boolean result = certs.contains(key); |
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if (result && debug != null) { |
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debug.println("AnchorCertificate.contains: matched " + |
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cert.getSubjectDN()); |
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} |
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return result; |
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} |
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private AnchorCertificates() {} |
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} |