/* * Copyright (c) 2013, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package sun.security.provider; import java.io.*; import java.net.*; import java.security.*; import java.security.cert.Certificate; import java.security.cert.CertificateFactory; import java.security.cert.CertificateException; import java.util.*; import sun.security.pkcs.EncryptedPrivateKeyInfo; import sun.security.util.PolicyUtil; /** * This class provides the domain keystore type identified as "DKS". * DKS presents a collection of separate keystores as a single logical keystore. * The collection of keystores is specified in a domain configuration file which * is passed to DKS in a {@link DomainLoadStoreParameter}. *

* The following properties are supported: *

*
{@code keystoreType=""}
*
The keystore type.
*
{@code keystoreURI=""}
*
The keystore location.
*
{@code keystoreProviderName=""}
*
The name of the keystore's JCE provider.
*
{@code keystorePasswordEnv=""}
*
The environment variable that stores a keystore password. *
{@code entryNameSeparator=""}
*
The separator between a keystore name prefix and an entry name. * When specified, it applies to all the entries in a domain. * Its default value is a space.
*
* * @since 1.8 */ abstract class DomainKeyStore extends KeyStoreSpi { // regular DKS public static final class DKS extends DomainKeyStore { String convertAlias(String alias) { return alias.toLowerCase(Locale.ENGLISH); } } // DKS property names private static final String ENTRY_NAME_SEPARATOR = "entrynameseparator"; private static final String KEYSTORE_PROVIDER_NAME = "keystoreprovidername"; private static final String KEYSTORE_TYPE = "keystoretype"; private static final String KEYSTORE_URI = "keystoreuri"; private static final String KEYSTORE_PASSWORD_ENV = "keystorepasswordenv"; // RegEx meta characters private static final String REGEX_META = ".$|()[{^?*+\\"; // Default prefix for keystores loaded-by-stream private static final String DEFAULT_STREAM_PREFIX = "iostream"; private int streamCounter = 1; private String entryNameSeparator = " "; private String entryNameSeparatorRegEx = " "; // Default keystore type private static final String DEFAULT_KEYSTORE_TYPE = KeyStore.getDefaultType(); // Domain keystores private final Map keystores = new HashMap<>(); DomainKeyStore() { } // convert an alias to internal form, overridden in subclasses: // lower case for regular DKS abstract String convertAlias(String alias); /** * Returns the key associated with the given alias, using the given * password to recover it. * * @param alias the alias name * @param password the password for recovering the key * * @return the requested key, or null if the given alias does not exist * or does not identify a key entry. * * @exception NoSuchAlgorithmException if the algorithm for recovering the * key cannot be found * @exception UnrecoverableKeyException if the key cannot be recovered * (e.g., the given password is wrong). */ public Key engineGetKey(String alias, char[] password) throws NoSuchAlgorithmException, UnrecoverableKeyException { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); Key key = null; try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { key = keystore.getKey(entryAlias, password); if (key != null) { break; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return key; } /** * Returns the certificate chain associated with the given alias. * * @param alias the alias name * * @return the certificate chain (ordered with the user's certificate first * and the root certificate authority last), or null if the given alias * does not exist or does not contain a certificate chain (i.e., the given * alias identifies either a trusted certificate entry or a * key entry without a certificate chain). */ public Certificate[] engineGetCertificateChain(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); Certificate[] chain = null; try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { chain = keystore.getCertificateChain(entryAlias); if (chain != null) { break; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return chain; } /** * Returns the certificate associated with the given alias. * *

If the given alias name identifies a * trusted certificate entry, the certificate associated with that * entry is returned. If the given alias name identifies a * key entry, the first element of the certificate chain of that * entry is returned, or null if that entry does not have a certificate * chain. * * @param alias the alias name * * @return the certificate, or null if the given alias does not exist or * does not contain a certificate. */ public Certificate engineGetCertificate(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); Certificate cert = null; try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { cert = keystore.getCertificate(entryAlias); if (cert != null) { break; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return cert; } /** * Returns the creation date of the entry identified by the given alias. * * @param alias the alias name * * @return the creation date of this entry, or null if the given alias does * not exist */ public Date engineGetCreationDate(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); Date date = null; try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { date = keystore.getCreationDate(entryAlias); if (date != null) { break; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return date; } /** * Assigns the given private key to the given alias, protecting * it with the given password as defined in PKCS8. * *

The given java.security.PrivateKey key must * be accompanied by a certificate chain certifying the * corresponding public key. * *

If the given alias already exists, the keystore information * associated with it is overridden by the given key and certificate * chain. * * @param alias the alias name * @param key the private key to be associated with the alias * @param password the password to protect the key * @param chain the certificate chain for the corresponding public * key (only required if the given key is of type * java.security.PrivateKey). * * @exception KeyStoreException if the given key is not a private key, * cannot be protected, or this operation fails for some other reason */ public void engineSetKeyEntry(String alias, Key key, char[] password, Certificate[] chain) throws KeyStoreException { AbstractMap.SimpleEntry> pair = getKeystoreForWriting(alias); if (pair == null) { throw new KeyStoreException("Error setting key entry for '" + alias + "'"); } String entryAlias = pair.getKey(); Map.Entry keystore = pair.getValue(); keystore.getValue().setKeyEntry(entryAlias, key, password, chain); } /** * Assigns the given key (that has already been protected) to the given * alias. * *

If the protected key is of type * java.security.PrivateKey, it must be accompanied by a * certificate chain certifying the corresponding public key. If the * underlying keystore implementation is of type jks, * key must be encoded as an * EncryptedPrivateKeyInfo as defined in the PKCS #8 standard. * *

If the given alias already exists, the keystore information * associated with it is overridden by the given key (and possibly * certificate chain). * * @param alias the alias name * @param key the key (in protected format) to be associated with the alias * @param chain the certificate chain for the corresponding public * key (only useful if the protected key is of type * java.security.PrivateKey). * * @exception KeyStoreException if this operation fails. */ public void engineSetKeyEntry(String alias, byte[] key, Certificate[] chain) throws KeyStoreException { AbstractMap.SimpleEntry> pair = getKeystoreForWriting(alias); if (pair == null) { throw new KeyStoreException( "Error setting protected key entry for '" + alias + "'"); } String entryAlias = pair.getKey(); Map.Entry keystore = pair.getValue(); keystore.getValue().setKeyEntry(entryAlias, key, chain); } /** * Assigns the given certificate to the given alias. * *

If the given alias already exists in this keystore and identifies a * trusted certificate entry, the certificate associated with it is * overridden by the given certificate. * * @param alias the alias name * @param cert the certificate * * @exception KeyStoreException if the given alias already exists and does * not identify a trusted certificate entry, or this operation * fails for some other reason. */ public void engineSetCertificateEntry(String alias, Certificate cert) throws KeyStoreException { AbstractMap.SimpleEntry> pair = getKeystoreForWriting(alias); if (pair == null) { throw new KeyStoreException("Error setting certificate entry for '" + alias + "'"); } String entryAlias = pair.getKey(); Map.Entry keystore = pair.getValue(); keystore.getValue().setCertificateEntry(entryAlias, cert); } /** * Deletes the entry identified by the given alias from this keystore. * * @param alias the alias name * * @exception KeyStoreException if the entry cannot be removed. */ public void engineDeleteEntry(String alias) throws KeyStoreException { AbstractMap.SimpleEntry> pair = getKeystoreForWriting(alias); if (pair == null) { throw new KeyStoreException("Error deleting entry for '" + alias + "'"); } String entryAlias = pair.getKey(); Map.Entry keystore = pair.getValue(); keystore.getValue().deleteEntry(entryAlias); } /** * Lists all the alias names of this keystore. * * @return enumeration of the alias names */ public Enumeration engineAliases() { final Iterator> iterator = keystores.entrySet().iterator(); return new Enumeration() { private int index = 0; private Map.Entry keystoresEntry = null; private String prefix = null; private Enumeration aliases = null; public boolean hasMoreElements() { try { if (aliases == null) { if (iterator.hasNext()) { keystoresEntry = iterator.next(); prefix = keystoresEntry.getKey() + entryNameSeparator; aliases = keystoresEntry.getValue().aliases(); } else { return false; } } if (aliases.hasMoreElements()) { return true; } else { if (iterator.hasNext()) { keystoresEntry = iterator.next(); prefix = keystoresEntry.getKey() + entryNameSeparator; aliases = keystoresEntry.getValue().aliases(); } else { return false; } } } catch (KeyStoreException e) { return false; } return aliases.hasMoreElements(); } public String nextElement() { if (hasMoreElements()) { return prefix + aliases.nextElement(); } throw new NoSuchElementException(); } }; } /** * Checks if the given alias exists in this keystore. * * @param alias the alias name * * @return true if the alias exists, false otherwise */ public boolean engineContainsAlias(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { if (keystore.containsAlias(entryAlias)) { return true; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return false; } /** * Retrieves the number of entries in this keystore. * * @return the number of entries in this keystore */ public int engineSize() { int size = 0; try { for (KeyStore keystore : keystores.values()) { size += keystore.size(); } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return size; } /** * Returns true if the entry identified by the given alias is a * key entry, and false otherwise. * * @return true if the entry identified by the given alias is a * key entry, false otherwise. */ public boolean engineIsKeyEntry(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { if (keystore.isKeyEntry(entryAlias)) { return true; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return false; } /** * Returns true if the entry identified by the given alias is a * trusted certificate entry, and false otherwise. * * @return true if the entry identified by the given alias is a * trusted certificate entry, false otherwise. */ public boolean engineIsCertificateEntry(String alias) { AbstractMap.SimpleEntry> pair = getKeystoresForReading(alias); try { String entryAlias = pair.getKey(); for (KeyStore keystore : pair.getValue()) { if (keystore.isCertificateEntry(entryAlias)) { return true; } } } catch (KeyStoreException e) { throw new IllegalStateException(e); } return false; } /* * Returns a keystore entry alias and a list of target keystores. * When the supplied alias prefix identifies a keystore then that single * keystore is returned. When no alias prefix is supplied then all the * keystores are returned. */ private AbstractMap.SimpleEntry> getKeystoresForReading(String alias) { String[] splits = alias.split(this.entryNameSeparatorRegEx, 2); if (splits.length == 2) { // prefixed alias KeyStore keystore = keystores.get(splits[0]); if (keystore != null) { return new AbstractMap.SimpleEntry<>(splits[1], (Collection) Collections.singleton(keystore)); } } else if (splits.length == 1) { // unprefixed alias // Check all keystores for the first occurrence of the alias return new AbstractMap.SimpleEntry<>(alias, keystores.values()); } return new AbstractMap.SimpleEntry<>("", (Collection) Collections.emptyList()); } /* * Returns a keystore entry alias and a single target keystore. * An alias prefix must be supplied. */ private AbstractMap.SimpleEntry> getKeystoreForWriting(String alias) { String[] splits = alias.split(this.entryNameSeparator, 2); if (splits.length == 2) { // prefixed alias KeyStore keystore = keystores.get(splits[0]); if (keystore != null) { return new AbstractMap.SimpleEntry<>(splits[1], new AbstractMap.SimpleEntry<>(splits[0], keystore)); } } return null; } /** * Returns the (alias) name of the first keystore entry whose certificate * matches the given certificate. * *

This method attempts to match the given certificate with each * keystore entry. If the entry being considered * is a trusted certificate entry, the given certificate is * compared to that entry's certificate. If the entry being considered is * a key entry, the given certificate is compared to the first * element of that entry's certificate chain (if a chain exists). * * @param cert the certificate to match with. * * @return the (alias) name of the first entry with matching certificate, * or null if no such entry exists in this keystore. */ public String engineGetCertificateAlias(Certificate cert) { try { String alias = null; for (KeyStore keystore : keystores.values()) { if ((alias = keystore.getCertificateAlias(cert)) != null) { break; } } return alias; } catch (KeyStoreException e) { throw new IllegalStateException(e); } } /** * Stores this keystore to the given output stream, and protects its * integrity with the given password. * * @param stream the output stream to which this keystore is written. * @param password the password to generate the keystore integrity check * * @exception IOException if there was an I/O problem with data * @exception NoSuchAlgorithmException if the appropriate data integrity * algorithm could not be found * @exception CertificateException if any of the certificates included in * the keystore data could not be stored */ public void engineStore(OutputStream stream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException { // Support storing to a stream only when a single keystore has been // configured try { if (keystores.size() == 1) { keystores.values().iterator().next().store(stream, password); return; } } catch (KeyStoreException e) { throw new IllegalStateException(e); } throw new UnsupportedOperationException( "This keystore must be stored using a DomainLoadStoreParameter"); } @Override public void engineStore(KeyStore.LoadStoreParameter param) throws IOException, NoSuchAlgorithmException, CertificateException { if (param instanceof DomainLoadStoreParameter) { DomainLoadStoreParameter domainParameter = (DomainLoadStoreParameter) param; List builders = getBuilders( domainParameter.getConfiguration(), domainParameter.getProtectionParams()); for (KeyStoreBuilderComponents builder : builders) { try { KeyStore.ProtectionParameter pp = builder.protection; if (!(pp instanceof KeyStore.PasswordProtection)) { throw new KeyStoreException( new IllegalArgumentException("ProtectionParameter" + " must be a KeyStore.PasswordProtection")); } char[] password = ((KeyStore.PasswordProtection) builder.protection) .getPassword(); // Store the keystores KeyStore keystore = keystores.get(builder.name); try (FileOutputStream stream = new FileOutputStream(builder.file)) { keystore.store(stream, password); } } catch (KeyStoreException e) { throw new IOException(e); } } } else { throw new UnsupportedOperationException( "This keystore must be stored using a " + "DomainLoadStoreParameter"); } } /** * Loads the keystore from the given input stream. * *

If a password is given, it is used to check the integrity of the * keystore data. Otherwise, the integrity of the keystore is not checked. * * @param stream the input stream from which the keystore is loaded * @param password the (optional) password used to check the integrity of * the keystore. * * @exception IOException if there is an I/O or format problem with the * keystore data * @exception NoSuchAlgorithmException if the algorithm used to check * the integrity of the keystore cannot be found * @exception CertificateException if any of the certificates in the * keystore could not be loaded */ public void engineLoad(InputStream stream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException { // Support loading from a stream only for a JKS or default type keystore try { KeyStore keystore = null; try { keystore = KeyStore.getInstance("JKS"); keystore.load(stream, password); } catch (Exception e) { // Retry if (!"JKS".equalsIgnoreCase(DEFAULT_KEYSTORE_TYPE)) { keystore = KeyStore.getInstance(DEFAULT_KEYSTORE_TYPE); keystore.load(stream, password); } else { throw e; } } String keystoreName = DEFAULT_STREAM_PREFIX + streamCounter++; keystores.put(keystoreName, keystore); } catch (Exception e) { throw new UnsupportedOperationException( "This keystore must be loaded using a " + "DomainLoadStoreParameter"); } } @Override public void engineLoad(KeyStore.LoadStoreParameter param) throws IOException, NoSuchAlgorithmException, CertificateException { if (param instanceof DomainLoadStoreParameter) { DomainLoadStoreParameter domainParameter = (DomainLoadStoreParameter) param; List builders = getBuilders( domainParameter.getConfiguration(), domainParameter.getProtectionParams()); for (KeyStoreBuilderComponents builder : builders) { try { // Load the keystores (file-based and non-file-based) if (builder.file != null) { keystores.put(builder.name, KeyStore.Builder.newInstance(builder.type, builder.provider, builder.file, builder.protection) .getKeyStore()); } else { keystores.put(builder.name, KeyStore.Builder.newInstance(builder.type, builder.provider, builder.protection) .getKeyStore()); } } catch (KeyStoreException e) { throw new IOException(e); } } } else { throw new UnsupportedOperationException( "This keystore must be loaded using a " + "DomainLoadStoreParameter"); } } /* * Parse a keystore domain configuration file and associated collection * of keystore passwords to create a collection of KeyStore.Builder. */ private List getBuilders(URI configuration, Map passwords) throws IOException { PolicyParser parser = new PolicyParser(true); // expand properties Collection domains = null; List builders = new ArrayList<>(); String uriDomain = configuration.getFragment(); try (InputStreamReader configurationReader = new InputStreamReader( PolicyUtil.getInputStream(configuration.toURL()), "UTF-8")) { parser.read(configurationReader); domains = parser.getDomainEntries(); } catch (MalformedURLException mue) { throw new IOException(mue); } catch (PolicyParser.ParsingException pe) { throw new IOException(pe); } for (PolicyParser.DomainEntry domain : domains) { Map domainProperties = domain.getProperties(); if (uriDomain != null && (!uriDomain.equalsIgnoreCase(domain.getName()))) { continue; // skip this domain } if (domainProperties.containsKey(ENTRY_NAME_SEPARATOR)) { this.entryNameSeparator = domainProperties.get(ENTRY_NAME_SEPARATOR); // escape any regex meta characters char ch = 0; StringBuilder s = new StringBuilder(); for (int i = 0; i < this.entryNameSeparator.length(); i++) { ch = this.entryNameSeparator.charAt(i); if (REGEX_META.indexOf(ch) != -1) { s.append('\\'); } s.append(ch); } this.entryNameSeparatorRegEx = s.toString(); } Collection keystores = domain.getEntries(); for (PolicyParser.KeyStoreEntry keystore : keystores) { String keystoreName = keystore.getName(); Map properties = new HashMap<>(domainProperties); properties.putAll(keystore.getProperties()); String keystoreType = DEFAULT_KEYSTORE_TYPE; if (properties.containsKey(KEYSTORE_TYPE)) { keystoreType = properties.get(KEYSTORE_TYPE); } Provider keystoreProvider = null; if (properties.containsKey(KEYSTORE_PROVIDER_NAME)) { String keystoreProviderName = properties.get(KEYSTORE_PROVIDER_NAME); keystoreProvider = Security.getProvider(keystoreProviderName); if (keystoreProvider == null) { throw new IOException("Error locating JCE provider: " + keystoreProviderName); } } File keystoreFile = null; if (properties.containsKey(KEYSTORE_URI)) { String uri = properties.get(KEYSTORE_URI); try { if (uri.startsWith("file://")) { keystoreFile = new File(new URI(uri)); } else { keystoreFile = new File(uri); } } catch (URISyntaxException | IllegalArgumentException e) { throw new IOException( "Error processing keystore property: " + "keystoreURI=\"" + uri + "\"", e); } } KeyStore.ProtectionParameter keystoreProtection = null; if (passwords.containsKey(keystoreName)) { keystoreProtection = passwords.get(keystoreName); } else if (properties.containsKey(KEYSTORE_PASSWORD_ENV)) { String env = properties.get(KEYSTORE_PASSWORD_ENV); String pwd = System.getenv(env); if (pwd != null) { keystoreProtection = new KeyStore.PasswordProtection(pwd.toCharArray()); } else { throw new IOException( "Error processing keystore property: " + "keystorePasswordEnv=\"" + env + "\""); } } else { keystoreProtection = new KeyStore.PasswordProtection(null); } builders.add(new KeyStoreBuilderComponents(keystoreName, keystoreType, keystoreProvider, keystoreFile, keystoreProtection)); } break; // skip other domains } if (builders.isEmpty()) { throw new IOException("Error locating domain configuration data " + "for: " + configuration); } return builders; } /* * Utility class that holds the components used to construct a KeyStore.Builder */ class KeyStoreBuilderComponents { String name; String type; Provider provider; File file; KeyStore.ProtectionParameter protection; KeyStoreBuilderComponents(String name, String type, Provider provider, File file, KeyStore.ProtectionParameter protection) { this.name = name; this.type = type; this.provider = provider; this.file = file; this.protection = protection; } } }