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| 1 | /* | ||
| 2 | * Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.security.validator; | ||
| 27 | |||
| 28 | import java.io.*; | ||
| 29 | import java.util.*; | ||
| 30 | |||
| 31 | import java.security.*; | ||
| 32 | import java.security.cert.*; | ||
| 33 | import java.security.cert.Certificate; | ||
| 34 | |||
| 35 | import sun.security.action.*; | ||
| 36 | |||
| 37 | /** | ||
| 38 | * Collection of static utility methods related to KeyStores. | ||
| 39 | * | ||
| 40 | * @author Andreas Sterbenz | ||
| 41 | */ | ||
| 42 | public class KeyStores { | ||
| 43 | |||
| 44 | private KeyStores() { | ||
| 45 | // empty | ||
| 46 | } | ||
| 47 | |||
| 48 | // in the future, all accesses to the system cacerts keystore should | ||
| 49 | // go through this class. but not right now. | ||
| 50 | /* | ||
| 51 | private final static String javaHome = | ||
| 52 | (String)AccessController.doPrivileged(new GetPropertyAction("java.home")); | ||
| 53 | |||
| 54 | private final static char SEP = File.separatorChar; | ||
| 55 | |||
| 56 | private static KeyStore caCerts; | ||
| 57 | |||
| 58 | private static KeyStore getKeyStore(String type, String name, | ||
| 59 | char[] password) throws IOException { | ||
| 60 | if (type == null) { | ||
| 61 | type = "JKS"; | ||
| 62 | } | ||
| 63 | try { | ||
| 64 | KeyStore ks = KeyStore.getInstance(type); | ||
| 65 | FileInputStream in = (FileInputStream)AccessController.doPrivileged | ||
| 66 | (new OpenFileInputStreamAction(name)); | ||
| 67 | ks.load(in, password); | ||
| 68 | return ks; | ||
| 69 | } catch (GeneralSecurityException e) { | ||
| 70 | // XXX | ||
| 71 | throw new IOException(); | ||
| 72 | } catch (PrivilegedActionException e) { | ||
| 73 | throw (IOException)e.getCause(); | ||
| 74 | } | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * Return a KeyStore with the contents of the lib/security/cacerts file. | ||
| 79 | * The file is only opened once per JVM invocation and the contents | ||
| 80 | * cached subsequently. | ||
| 81 | * | ||
| 82 | public synchronized static KeyStore getCaCerts() throws IOException { | ||
| 83 | if (caCerts != null) { | ||
| 84 | return caCerts; | ||
| 85 | } | ||
| 86 | String name = javaHome + SEP + "lib" + SEP + "security" + SEP + "cacerts"; | ||
| 87 | caCerts = getKeyStore(null, name, null); | ||
| 88 | return caCerts; | ||
| 89 | } | ||
| 90 | */ | ||
| 91 | |||
| 92 | /** | ||
| 93 | * Return a Set with all trusted X509Certificates contained in | ||
| 94 | * this KeyStore. | ||
| 95 | */ | ||
| 96 | public static Set<X509Certificate> getTrustedCerts(KeyStore ks) { | ||
| 97 | Set<X509Certificate> set = new HashSet<X509Certificate>(); | ||
| 98 | try { | ||
| 99 | for (Enumeration<String> e = ks.aliases(); e.hasMoreElements(); ) { | ||
| 100 | String alias = e.nextElement(); | ||
| 101 | if (ks.isCertificateEntry(alias)) { | ||
| 102 | Certificate cert = ks.getCertificate(alias); | ||
| 103 | if (cert instanceof X509Certificate) { | ||
| 104 | set.add((X509Certificate)cert); | ||
| 105 | } | ||
| 106 | } else if (ks.isKeyEntry(alias)) { | ||
| 107 | Certificate[] certs = ks.getCertificateChain(alias); | ||
| 108 | if ((certs != null) && (certs.length > 0) && | ||
| 109 | (certs[0] instanceof X509Certificate)) { | ||
| 110 | set.add((X509Certificate)certs[0]); | ||
| 111 | } | ||
| 112 | } | ||
| 113 | } | ||
| 114 | } catch (KeyStoreException e) { | ||
| 115 | // ignore | ||
| 116 | } | ||
| 117 | return set; | ||
| 118 | } | ||
| 119 | |||
| 120 | } | ||