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jeremybenn |
/* ImportCmd.java -- The import command handler of the keytool
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.classpath.tools.keytool;
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import gnu.classpath.Configuration;
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import gnu.classpath.SystemProperties;
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import gnu.classpath.tools.common.ClasspathToolParser;
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import gnu.classpath.tools.getopt.Option;
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import gnu.classpath.tools.getopt.OptionException;
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import gnu.classpath.tools.getopt.OptionGroup;
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import gnu.classpath.tools.getopt.Parser;
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import gnu.java.security.x509.X509CertPath;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.security.Key;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.Principal;
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import java.security.PublicKey;
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import java.security.UnrecoverableKeyException;
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import java.security.cert.CertPathValidator;
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import java.security.cert.CertPathValidatorException;
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import java.security.cert.Certificate;
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import java.security.cert.CertificateEncodingException;
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import java.security.cert.CertificateException;
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import java.security.cert.CertificateFactory;
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import java.security.cert.PKIXCertPathValidatorResult;
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import java.security.cert.PKIXParameters;
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import java.security.cert.TrustAnchor;
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import java.security.cert.X509Certificate;
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import java.security.interfaces.DSAParams;
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import java.security.interfaces.DSAPublicKey;
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import java.security.interfaces.RSAPublicKey;
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import java.util.Collection;
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import java.util.LinkedList;
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import java.util.ListIterator;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javax.security.auth.callback.Callback;
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import javax.security.auth.callback.ConfirmationCallback;
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import javax.security.auth.callback.UnsupportedCallbackException;
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/**
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* The <code>-import</code> keytool command handler is used to read an X.509
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* certificate, or a PKCS#7 Certificate Reply from a designated input source and
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* incorporate the certificates into the key store.
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* <p>
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* If the <i>Alias</i> does not already exist in the key store, the tool treats
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* the certificate read from the input source as a new Trusted Certificate. It
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* then attempts to discover a chain-of-trust, starting from that certificate
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* and ending at another <i>Trusted Certificate</i>, already stored in the key
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* store. If the <code>-trustcacerts</code> option is present, an additional
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* key store, of type <code>JKS</code> named <code>cacerts</code>, and assumed
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* to be present in <code>${JAVA_HOME}/lib/security</code> will also be
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* consulted if found --<code>${JAVA_HOME}</code> refers to the location of an
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* installed Java Runtime Environment (JRE). If no chain-of-trust can be
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* established, and unless the <code>-noprompt</code> option has been specified,
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* the certificate is printed to STDOUT and the user is prompted for a
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* confirmation.
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* <p>
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* If <i>Alias</i> exists in the key store, the tool will treat the
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* certificate(s) read from the input source as a <i>Certificate Reply</i>,
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* which can be a chain of certificates, that eventually would replace the chain
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* of certificates associated with the <i>Key Entry</i> of that <i>Alias</i>.
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* The substitution of the certificates only occurs if a chain-of-trust can be
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* established between the bottom certificate of the chain read from the input
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* file and the <i>Trusted Certificates</i> already present in the key store.
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* Again, if the <code>-trustcacerts</code> option is specified, additional
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* <i>Trusted Certificates</i> in the same <code>cacerts</code> key store will
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* be considered. If no chain-of-trust can be established, the operation will
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* abort.
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* <p>
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* Possible options for this command are:
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* <p>
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* <dl>
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* <dt>-alias ALIAS</dt>
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* <dd>Every entry, be it a <i>Key Entry</i> or a <i>Trusted
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* Certificate</i>, in a key store is uniquely identified by a user-defined
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* <i>Alias</i> string. Use this option to specify the <i>Alias</i> to use
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* when referring to an entry in the key store. Unless specified otherwise,
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* a default value of <code>mykey</code> shall be used when this option is
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* omitted from the command line.
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* <p></dd>
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*
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* <dt>-file FILE_NAME</dt>
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* <dd>The fully qualified path of the file to read from. If omitted, the
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* tool will process STDIN.
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* <p></dd>
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*
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* <dt>-keypass PASSWORD</dt>
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* <dd>Use this option to specify the password which the tool will use to
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* protect the <i>Key Entry</i> associated with the designated <i>Alias</i>,
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* when replacing this <i>Alias</i>' chain of certificates with that found
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* in the certificate reply.
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* <p>
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* If this option is omitted, and the chain-of-trust for the certificate
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* reply has been established, the tool will first attempt to unlock the
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* <i>Key Entry</i> using the same password protecting the key store. If
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* this fails, you will then be prompted to provide a password.
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* <p></dd>
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*
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* <dt>-noprompt</dt>
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* <dd>Use this option to prevent the tool from prompting the user.
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* <p></dd>
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*
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* <dt>-trustcacerts</dt>
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* <dd>Use this option to indicate to the tool that a key store, of type
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* <code>JKS</code>, named <code>cacerts</code>, and usually located in
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* <code>lib/security</code> in an installed Java Runtime Environment
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* should be considered when trying to establish chain-of-trusts.
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* <p></dd>
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*
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* <dt>-storetype STORE_TYPE</dt>
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* <dd>Use this option to specify the type of the key store to use. The
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* default value, if this option is omitted, is that of the property
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* <code>keystore.type</code> in the security properties file, which is
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* obtained by invoking the {@link java.security.KeyStore#getDefaultType()}
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* static method.
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* <p></dd>
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*
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* <dt>-keystore URL</dt>
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* <dd>Use this option to specify the location of the key store to use.
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* The default value is a file {@link java.net.URL} referencing the file
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* named <code>.keystore</code> located in the path returned by the call to
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* {@link java.lang.System#getProperty(String)} using <code>user.home</code>
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* as argument.
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* <p>
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* If a URL was specified, but was found to be malformed --e.g. missing
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* protocol element-- the tool will attempt to use the URL value as a file-
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* name (with absolute or relative path-name) of a key store --as if the
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* protocol was <code>file:</code>.
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* <p></dd>
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*
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* <dt>-storepass PASSWORD</dt>
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* <dd>Use this option to specify the password protecting the key store. If
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* this option is omitted from the command line, you will be prompted to
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* provide a password.
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* <p></dd>
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*
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* <dt>-provider PROVIDER_CLASS_NAME</dt>
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* <dd>A fully qualified class name of a Security Provider to add to the
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* current list of Security Providers already installed in the JVM in-use.
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* If a provider class is specified with this option, and was successfully
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* added to the runtime --i.e. it was not already installed-- then the tool
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* will attempt to removed this Security Provider before exiting.
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* <p></dd>
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*
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* <dt>-v</dt>
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* <dd>Use this option to enable more verbose output.</dd>
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* </dl>
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*/
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class ImportCmd extends Command
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{
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private static final Logger log = Logger.getLogger(ImportCmd.class.getName());
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private static final String GKR = "gkr"; //$NON-NLS-1$
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private static final String JKS = "jks"; //$NON-NLS-1$
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private static final String LIB = "lib"; //$NON-NLS-1$
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private static final String SECURITY = "security"; //$NON-NLS-1$
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private static final String CACERTS = "cacerts"; //$NON-NLS-1$
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private static final String CACERTS_GKR = CACERTS + "." + GKR; //$NON-NLS-1$
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protected String _alias;
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protected String _certFileName;
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protected String _password;
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protected boolean noPrompt;
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protected boolean trustCACerts;
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protected String _ksType;
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protected String _ksURL;
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protected String _ksPassword;
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protected String _providerClassName;
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private CertificateFactory x509Factory;
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/**
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* Pathname to a GKR-type cacerts file to use when trustCACerts is true. This
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* is usually a file named "cacerts.gkr" located in lib/security in the folder
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* specified by the system-property "gnu.classpath.home".
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*/
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private String gkrCaCertsPathName;
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/**
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* Pathname to a JKS-type cacerts file to use when trustCACerts is true. This
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* is usually a file named "cacerts" located in lib/security in the folder
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* specified by the system-property "java.home".
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*/
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private String jksCaCertsPathName;
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/** Alias self-signed certificate. used when importing certificate replies. */
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private X509Certificate selfSignedCertificate;
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// default 0-arguments constructor
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// public setters -----------------------------------------------------------
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/** @param alias the existing alias to use. */
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public void setAlias(String alias)
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{
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this._alias = alias;
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}
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/** @param pathName the fully qualified path name of the file to process. */
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public void setFile(String pathName)
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{
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this._certFileName = pathName;
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}
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/** @param password the existing (private) key password to use. */
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public void setKeypass(String password)
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{
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this._password = password;
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}
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/**
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* @param flag whether to prompt, or not, the user to verify certificate
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* fingerprints.
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*/
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public void setNoprompt(String flag)
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{
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this.noPrompt = Boolean.valueOf(flag).booleanValue();
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}
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/**
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* @param flag whether to trust, or not, certificates found in the
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* <code>cacerts</code> key store.
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*/
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public void setTrustcacerts(String flag)
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{
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this.trustCACerts = Boolean.valueOf(flag).booleanValue();
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}
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/** @param type the key-store type to use. */
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public void setStoretype(String type)
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{
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this._ksType = type;
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}
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/** @param url the key-store URL to use. */
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public void setKeystore(String url)
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{
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this._ksURL = url;
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}
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/** @param password the key-store password to use. */
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public void setStorepass(String password)
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{
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this._ksPassword = password;
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}
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/** @param className a security provider fully qualified class name to use. */
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public void setProvider(String className)
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{
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this._providerClassName = className;
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}
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// life-cycle methods -------------------------------------------------------
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void setup() throws Exception
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{
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setInputStreamParam(_certFileName);
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setKeyStoreParams(true, _providerClassName, _ksType, _ksPassword, _ksURL);
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setAliasParam(_alias);
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setKeyPasswordNoPrompt(_password);
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if (Configuration.DEBUG)
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{
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log.fine("-import handler will use the following options:"); //$NON-NLS-1$
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log.fine(" -alias=" + alias); //$NON-NLS-1$
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log.fine(" -file=" + _certFileName); //$NON-NLS-1$
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log.fine(" -noprompt=" + noPrompt); //$NON-NLS-1$
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log.fine(" -trustcacerts=" + trustCACerts); //$NON-NLS-1$
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log.fine(" -storetype=" + storeType); //$NON-NLS-1$
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log.fine(" -keystore=" + storeURL); //$NON-NLS-1$
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log.fine(" -provider=" + provider); //$NON-NLS-1$
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log.fine(" -v=" + verbose); //$NON-NLS-1$
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}
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}
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void start() throws CertificateException, KeyStoreException, IOException,
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UnsupportedCallbackException, NoSuchAlgorithmException,
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CertPathValidatorException, UnrecoverableKeyException
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{
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if (Configuration.DEBUG)
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log.entering(this.getClass().getName(), "start"); //$NON-NLS-1$
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if (trustCACerts)
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{
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String fs = SystemProperties.getProperty("file.separator"); //$NON-NLS-1$
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String classpathHome = SystemProperties.getProperty("gnu.classpath.home"); //$NON-NLS-1$
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gkrCaCertsPathName = new StringBuilder(classpathHome).append(fs)
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.append(LIB).append(fs)
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.append(SECURITY).append(fs)
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.append(CACERTS_GKR).toString();
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String javaHome = SystemProperties.getProperty("java.home"); //$NON-NLS-1$
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326 |
|
|
jksCaCertsPathName = new StringBuilder(javaHome).append(fs)
|
327 |
|
|
.append(LIB).append(fs)
|
328 |
|
|
.append(SECURITY).append(fs)
|
329 |
|
|
.append(CACERTS).toString();
|
330 |
|
|
}
|
331 |
|
|
x509Factory = CertificateFactory.getInstance("X.509"); //$NON-NLS-1$
|
332 |
|
|
// the alias will tell us whether we're dealing with
|
333 |
|
|
// a new trusted certificate or a certificate reply
|
334 |
|
|
if (! store.containsAlias(alias))
|
335 |
|
|
importNewTrustedCertificate();
|
336 |
|
|
else
|
337 |
|
|
{
|
338 |
|
|
ensureAliasIsKeyEntry();
|
339 |
|
|
importCertificateReply();
|
340 |
|
|
}
|
341 |
|
|
if (Configuration.DEBUG)
|
342 |
|
|
log.exiting(this.getClass().getName(), "start"); //$NON-NLS-1$
|
343 |
|
|
}
|
344 |
|
|
|
345 |
|
|
// own methods --------------------------------------------------------------
|
346 |
|
|
|
347 |
|
|
Parser getParser()
|
348 |
|
|
{
|
349 |
|
|
if (Configuration.DEBUG)
|
350 |
|
|
log.entering(this.getClass().getName(), "getParser"); //$NON-NLS-1$
|
351 |
|
|
Parser result = new ClasspathToolParser(Main.IMPORT_CMD, true);
|
352 |
|
|
result.setHeader(Messages.getString("ImportCmd.27")); //$NON-NLS-1$
|
353 |
|
|
result.setFooter(Messages.getString("ImportCmd.26")); //$NON-NLS-1$
|
354 |
|
|
OptionGroup options = new OptionGroup(Messages.getString("ImportCmd.25")); //$NON-NLS-1$
|
355 |
|
|
options.add(new Option(Main.ALIAS_OPT,
|
356 |
|
|
Messages.getString("ImportCmd.24"), //$NON-NLS-1$
|
357 |
|
|
Messages.getString("ImportCmd.23")) //$NON-NLS-1$
|
358 |
|
|
{
|
359 |
|
|
public void parsed(String argument) throws OptionException
|
360 |
|
|
{
|
361 |
|
|
_alias = argument;
|
362 |
|
|
}
|
363 |
|
|
});
|
364 |
|
|
options.add(new Option(Main.FILE_OPT,
|
365 |
|
|
Messages.getString("ImportCmd.22"), //$NON-NLS-1$
|
366 |
|
|
Messages.getString("ImportCmd.21")) //$NON-NLS-1$
|
367 |
|
|
{
|
368 |
|
|
public void parsed(String argument) throws OptionException
|
369 |
|
|
{
|
370 |
|
|
_certFileName = argument;
|
371 |
|
|
}
|
372 |
|
|
});
|
373 |
|
|
options.add(new Option(Main.KEYPASS_OPT,
|
374 |
|
|
Messages.getString("ImportCmd.20"), //$NON-NLS-1$
|
375 |
|
|
Messages.getString("ImportCmd.19")) //$NON-NLS-1$
|
376 |
|
|
{
|
377 |
|
|
public void parsed(String argument) throws OptionException
|
378 |
|
|
{
|
379 |
|
|
_password = argument;
|
380 |
|
|
}
|
381 |
|
|
});
|
382 |
|
|
options.add(new Option("noprompt", //$NON-NLS-1$
|
383 |
|
|
Messages.getString("ImportCmd.18")) //$NON-NLS-1$
|
384 |
|
|
{
|
385 |
|
|
public void parsed(String argument) throws OptionException
|
386 |
|
|
{
|
387 |
|
|
noPrompt = true;
|
388 |
|
|
}
|
389 |
|
|
});
|
390 |
|
|
options.add(new Option("trustcacerts", //$NON-NLS-1$
|
391 |
|
|
Messages.getString("ImportCmd.17")) //$NON-NLS-1$
|
392 |
|
|
{
|
393 |
|
|
public void parsed(String argument) throws OptionException
|
394 |
|
|
{
|
395 |
|
|
trustCACerts = true;
|
396 |
|
|
}
|
397 |
|
|
});
|
398 |
|
|
options.add(new Option(Main.STORETYPE_OPT,
|
399 |
|
|
Messages.getString("ImportCmd.16"), //$NON-NLS-1$
|
400 |
|
|
Messages.getString("ImportCmd.15")) //$NON-NLS-1$
|
401 |
|
|
{
|
402 |
|
|
public void parsed(String argument) throws OptionException
|
403 |
|
|
{
|
404 |
|
|
_ksType = argument;
|
405 |
|
|
}
|
406 |
|
|
});
|
407 |
|
|
options.add(new Option(Main.KEYSTORE_OPT,
|
408 |
|
|
Messages.getString("ImportCmd.14"), //$NON-NLS-1$
|
409 |
|
|
Messages.getString("ImportCmd.13")) //$NON-NLS-1$
|
410 |
|
|
{
|
411 |
|
|
public void parsed(String argument) throws OptionException
|
412 |
|
|
{
|
413 |
|
|
_ksURL = argument;
|
414 |
|
|
}
|
415 |
|
|
});
|
416 |
|
|
options.add(new Option(Main.STOREPASS_OPT,
|
417 |
|
|
Messages.getString("ImportCmd.12"), //$NON-NLS-1$
|
418 |
|
|
Messages.getString("ImportCmd.11")) //$NON-NLS-1$
|
419 |
|
|
{
|
420 |
|
|
public void parsed(String argument) throws OptionException
|
421 |
|
|
{
|
422 |
|
|
_ksPassword = argument;
|
423 |
|
|
}
|
424 |
|
|
});
|
425 |
|
|
options.add(new Option(Main.PROVIDER_OPT,
|
426 |
|
|
Messages.getString("ImportCmd.10"), //$NON-NLS-1$
|
427 |
|
|
Messages.getString("ImportCmd.9")) //$NON-NLS-1$
|
428 |
|
|
{
|
429 |
|
|
public void parsed(String argument) throws OptionException
|
430 |
|
|
{
|
431 |
|
|
_providerClassName = argument;
|
432 |
|
|
}
|
433 |
|
|
});
|
434 |
|
|
options.add(new Option(Main.VERBOSE_OPT,
|
435 |
|
|
Messages.getString("ImportCmd.8")) //$NON-NLS-1$
|
436 |
|
|
{
|
437 |
|
|
public void parsed(String argument) throws OptionException
|
438 |
|
|
{
|
439 |
|
|
verbose = true;
|
440 |
|
|
}
|
441 |
|
|
});
|
442 |
|
|
result.add(options);
|
443 |
|
|
if (Configuration.DEBUG)
|
444 |
|
|
log.exiting(this.getClass().getName(), "getParser", result); //$NON-NLS-1$
|
445 |
|
|
return result;
|
446 |
|
|
}
|
447 |
|
|
|
448 |
|
|
/**
|
449 |
|
|
* When importing a new trusted certificate, <i>alias</i> MUST NOT yet exist
|
450 |
|
|
* in the key store.
|
451 |
|
|
* <p>
|
452 |
|
|
* Before adding the certificate to the key store and associate it with the
|
453 |
|
|
* designated Alias, this method tries to verify it by attempting to construct
|
454 |
|
|
* a chain of trust from that certificate to a self-signed certificate
|
455 |
|
|
* (belonging to a root CA), using (already) trusted certificates that are
|
456 |
|
|
* available in the key store.
|
457 |
|
|
* <p>
|
458 |
|
|
* If the <code>-trustcacerts</code> option was detected on the command
|
459 |
|
|
* line, additional trusted certificates are considered for establishing the
|
460 |
|
|
* chain of trust. Those additional certificates are assumed to be in a key
|
461 |
|
|
* store, of type <code>JKS</code> named <code>cacerts</code> and usually
|
462 |
|
|
* located in <code>${JAVA_HOME}/lib/security</code>, where
|
463 |
|
|
* <code>${JAVA_HOME}</code> is the root folder location of a Java runtime.
|
464 |
|
|
* <p>
|
465 |
|
|
* If this method fails to establish a trust path from the certificate to be
|
466 |
|
|
* imported up to a trusted self-signed certificate, the certificate is
|
467 |
|
|
* printed to <code>STDOUT</code>, and the user is prompted to verify it,
|
468 |
|
|
* with the option of aborting the import operation. If however the option
|
469 |
|
|
* <code>-noprompt</code> was detected on the command line, no interaction
|
470 |
|
|
* with the user will take place and the import operation will abort.
|
471 |
|
|
*
|
472 |
|
|
* @throws CertificateException
|
473 |
|
|
* @throws KeyStoreException
|
474 |
|
|
* @throws NoSuchAlgorithmException
|
475 |
|
|
* @throws UnsupportedCallbackException
|
476 |
|
|
* @throws IOException
|
477 |
|
|
* @throws UnrecoverableKeyException
|
478 |
|
|
* @throws CertPathValidatorException
|
479 |
|
|
*/
|
480 |
|
|
private void importNewTrustedCertificate() throws CertificateException,
|
481 |
|
|
KeyStoreException, NoSuchAlgorithmException, IOException,
|
482 |
|
|
UnsupportedCallbackException, CertPathValidatorException,
|
483 |
|
|
UnrecoverableKeyException
|
484 |
|
|
{
|
485 |
|
|
if (Configuration.DEBUG)
|
486 |
|
|
log.entering(this.getClass().getName(), "importNewTrustedCertificate"); //$NON-NLS-1$
|
487 |
|
|
Certificate certificate = x509Factory.generateCertificate(inStream);
|
488 |
|
|
if (Configuration.DEBUG)
|
489 |
|
|
log.fine("certificate = " + certificate); //$NON-NLS-1$
|
490 |
|
|
LinkedList orderedReply = new LinkedList();
|
491 |
|
|
orderedReply.addLast(certificate);
|
492 |
|
|
|
493 |
|
|
if (findTrustAndUpdate(orderedReply, ! noPrompt))
|
494 |
|
|
{
|
495 |
|
|
store.setCertificateEntry(alias, certificate);
|
496 |
|
|
System.out.println(Messages.getString("ImportCmd.29")); //$NON-NLS-1$
|
497 |
|
|
saveKeyStore();
|
498 |
|
|
}
|
499 |
|
|
else
|
500 |
|
|
System.out.println(Messages.getString("ImportCmd.28")); //$NON-NLS-1$
|
501 |
|
|
if (Configuration.DEBUG)
|
502 |
|
|
log.exiting(this.getClass().getName(), "importNewTrustedCertificate"); //$NON-NLS-1$
|
503 |
|
|
}
|
504 |
|
|
|
505 |
|
|
/**
|
506 |
|
|
* A certificate reply is a certificate, whose Owner is stored in the key
|
507 |
|
|
* store associated to the designated Alias, and now signed by supposedly a
|
508 |
|
|
* trusted CA (Certificate Authority). In other words, the Subject in this
|
509 |
|
|
* certificate reply is Alias's own and the Issuer is a CA.
|
510 |
|
|
* <p>
|
511 |
|
|
* When importing a certificate reply, the reply is validated using trusted
|
512 |
|
|
* certificates from the key store, and optionally (if the option
|
513 |
|
|
* <code>-trustcacerts</code> was detected on the command line) certificates
|
514 |
|
|
* found in the key store, of type <code>JKS</code> named <code>cacerts</code>
|
515 |
|
|
* located in <code>${JAVA_HOME}/lib/security</code>, where
|
516 |
|
|
* <code>${JAVA_HOME}</code> is the root folder location of a Java runtime.
|
517 |
|
|
*
|
518 |
|
|
* @throws CertificateException
|
519 |
|
|
* @throws UnsupportedCallbackException
|
520 |
|
|
* @throws IOException
|
521 |
|
|
* @throws KeyStoreException
|
522 |
|
|
* @throws CertPathValidatorException
|
523 |
|
|
* @throws NoSuchAlgorithmException
|
524 |
|
|
* @throws UnrecoverableKeyException
|
525 |
|
|
*/
|
526 |
|
|
private void importCertificateReply() throws CertificateException,
|
527 |
|
|
IOException, UnsupportedCallbackException, KeyStoreException,
|
528 |
|
|
NoSuchAlgorithmException, CertPathValidatorException,
|
529 |
|
|
UnrecoverableKeyException
|
530 |
|
|
{
|
531 |
|
|
if (Configuration.DEBUG)
|
532 |
|
|
log.entering(this.getClass().getName(), "importCertificateReply"); //$NON-NLS-1$
|
533 |
|
|
Collection certificates = x509Factory.generateCertificates(inStream);
|
534 |
|
|
ensureReplyIsOurs(certificates);
|
535 |
|
|
// we now have established that the public keys are the same.
|
536 |
|
|
// find a chain-of-trust if one exists
|
537 |
|
|
if (certificates.size() == 1)
|
538 |
|
|
importCertificate((Certificate) certificates.iterator().next());
|
539 |
|
|
else
|
540 |
|
|
importChain(certificates);
|
541 |
|
|
if (Configuration.DEBUG)
|
542 |
|
|
log.exiting(this.getClass().getName(), "importCertificateReply"); //$NON-NLS-1$
|
543 |
|
|
}
|
544 |
|
|
|
545 |
|
|
/**
|
546 |
|
|
* If the reply is a single X.509 certificate, keytool attempts to establish a
|
547 |
|
|
* trust chain, starting at the certificate reply and ending at a self-signed
|
548 |
|
|
* certificate (belonging to a root CA). The certificate reply and the
|
549 |
|
|
* hierarchy of certificates used to authenticate the certificate reply form
|
550 |
|
|
* the new certificate chain of alias. If a trust chain cannot be established,
|
551 |
|
|
* the certificate reply is not imported. In this case, keytool does not print
|
552 |
|
|
* out the certificate, nor does it prompt the user to verify it. This is
|
553 |
|
|
* because it is very hard (if not impossible) for a user to determine the
|
554 |
|
|
* authenticity of the certificate reply.
|
555 |
|
|
*
|
556 |
|
|
* @param certificate the certificate reply to import into the key store.
|
557 |
|
|
* @throws NoSuchAlgorithmException
|
558 |
|
|
* @throws CertPathValidatorException
|
559 |
|
|
* @throws UnsupportedCallbackException
|
560 |
|
|
* @throws IOException
|
561 |
|
|
* @throws UnrecoverableKeyException
|
562 |
|
|
* @throws KeyStoreException
|
563 |
|
|
* @throws CertificateException
|
564 |
|
|
*/
|
565 |
|
|
private void importCertificate(Certificate certificate)
|
566 |
|
|
throws NoSuchAlgorithmException, CertPathValidatorException,
|
567 |
|
|
KeyStoreException, UnrecoverableKeyException, IOException,
|
568 |
|
|
UnsupportedCallbackException, CertificateException
|
569 |
|
|
{
|
570 |
|
|
if (Configuration.DEBUG)
|
571 |
|
|
log.entering(this.getClass().getName(), "importCertificate", certificate); //$NON-NLS-1$
|
572 |
|
|
LinkedList reply = new LinkedList();
|
573 |
|
|
reply.addLast(certificate);
|
574 |
|
|
|
575 |
|
|
if (! findTrustAndUpdate(reply, false))
|
576 |
|
|
throw new CertPathValidatorException(Messages.getString("ImportCmd.34")); //$NON-NLS-1$
|
577 |
|
|
|
578 |
|
|
Certificate[] newChain = (Certificate[]) reply.toArray(new Certificate[0]);
|
579 |
|
|
Key privateKey = getAliasPrivateKey();
|
580 |
|
|
store.setKeyEntry(alias, privateKey, keyPasswordChars, newChain);
|
581 |
|
|
saveKeyStore();
|
582 |
|
|
if (Configuration.DEBUG)
|
583 |
|
|
log.exiting(this.getClass().getName(), "importCertificate"); //$NON-NLS-1$
|
584 |
|
|
}
|
585 |
|
|
|
586 |
|
|
/**
|
587 |
|
|
* If the reply is a PKCS#7 formatted certificate chain, the chain is first
|
588 |
|
|
* ordered (with the user certificate first and the self-signed root CA
|
589 |
|
|
* certificate last), before keytool attempts to match the root CA certificate
|
590 |
|
|
* provided in the reply with any of the trusted certificates in the key store
|
591 |
|
|
* or the "cacerts" keystore file (if the -trustcacerts option was specified).
|
592 |
|
|
* If no match can be found, the information of the root CA certificate is
|
593 |
|
|
* printed out, and the user is prompted to verify it, e.g., by comparing the
|
594 |
|
|
* displayed certificate fingerprints with the fingerprints obtained from some
|
595 |
|
|
* other (trusted) source of information, which might be the root CA itself.
|
596 |
|
|
* The user then has the option of aborting the import operation. If the
|
597 |
|
|
* -noprompt option is given, however, there will be no interaction with the
|
598 |
|
|
* user.
|
599 |
|
|
*
|
600 |
|
|
* @param chain the collection of certificates parsed from the user
|
601 |
|
|
* designated input.
|
602 |
|
|
* @throws UnsupportedCallbackException
|
603 |
|
|
* @throws IOException
|
604 |
|
|
* @throws UnrecoverableKeyException
|
605 |
|
|
* @throws KeyStoreException
|
606 |
|
|
* @throws CertPathValidatorException
|
607 |
|
|
* @throws NoSuchAlgorithmException
|
608 |
|
|
* @throws CertificateException
|
609 |
|
|
*/
|
610 |
|
|
private void importChain(Collection chain) throws NoSuchAlgorithmException,
|
611 |
|
|
CertPathValidatorException, KeyStoreException, UnrecoverableKeyException,
|
612 |
|
|
IOException, UnsupportedCallbackException, CertificateException
|
613 |
|
|
{
|
614 |
|
|
if (Configuration.DEBUG)
|
615 |
|
|
log.entering(this.getClass().getName(), "importChain", chain); //$NON-NLS-1$
|
616 |
|
|
LinkedList reply = orderChain(chain);
|
617 |
|
|
if (findTrustAndUpdate(reply, ! noPrompt))
|
618 |
|
|
{
|
619 |
|
|
Certificate[] newChain = (Certificate[]) reply.toArray(new Certificate[0]);
|
620 |
|
|
Key privateKey = getAliasPrivateKey();
|
621 |
|
|
store.setKeyEntry(alias, privateKey, keyPasswordChars, newChain);
|
622 |
|
|
saveKeyStore();
|
623 |
|
|
}
|
624 |
|
|
if (Configuration.DEBUG)
|
625 |
|
|
log.exiting(this.getClass().getName(), "importChain"); //$NON-NLS-1$
|
626 |
|
|
}
|
627 |
|
|
|
628 |
|
|
/**
|
629 |
|
|
* Check to ensure that alias's public key is the subject of the first
|
630 |
|
|
* certificate in the passed certificate collection. Throws an exception if
|
631 |
|
|
* the public keys do not match.
|
632 |
|
|
*
|
633 |
|
|
* @param certificates a {@link Collection} of certificate replies (either a
|
634 |
|
|
* signle certificate reply, or a PKCS#7 certificate reply chain)
|
635 |
|
|
* usually sent by a CA as a response to a Certificate Signing
|
636 |
|
|
* Request (CSR).
|
637 |
|
|
* @throws IOException
|
638 |
|
|
* @throws UnsupportedCallbackException
|
639 |
|
|
* @throws KeyStoreException
|
640 |
|
|
*/
|
641 |
|
|
private void ensureReplyIsOurs(Collection certificates) throws IOException,
|
642 |
|
|
UnsupportedCallbackException, KeyStoreException
|
643 |
|
|
{
|
644 |
|
|
if (Configuration.DEBUG)
|
645 |
|
|
log.entering(this.getClass().getName(), "ensureReplyIsOurs"); //$NON-NLS-1$
|
646 |
|
|
Certificate certificate = (Certificate) certificates.iterator().next();
|
647 |
|
|
if (Configuration.DEBUG)
|
648 |
|
|
log.fine("certificate = " + certificate); //$NON-NLS-1$
|
649 |
|
|
Certificate[] chain = store.getCertificateChain(alias);
|
650 |
|
|
if (chain == null)
|
651 |
|
|
throw new IllegalArgumentException(Messages.getFormattedString("ImportCmd.37", //$NON-NLS-1$
|
652 |
|
|
alias));
|
653 |
|
|
selfSignedCertificate = (X509Certificate) chain[0];
|
654 |
|
|
PublicKey anchorPublicKey = selfSignedCertificate.getPublicKey();
|
655 |
|
|
PublicKey certPublicKey = certificate.getPublicKey();
|
656 |
|
|
boolean sameKey;
|
657 |
|
|
if (anchorPublicKey instanceof DSAPublicKey)
|
658 |
|
|
{
|
659 |
|
|
DSAPublicKey pk1 = (DSAPublicKey) anchorPublicKey;
|
660 |
|
|
if (!(certPublicKey instanceof DSAPublicKey))
|
661 |
|
|
throw new IllegalArgumentException(Messages.getString("ImportCmd.38")); //$NON-NLS-1$
|
662 |
|
|
|
663 |
|
|
sameKey = areEqual(pk1, (DSAPublicKey) certPublicKey);
|
664 |
|
|
}
|
665 |
|
|
else if (anchorPublicKey instanceof RSAPublicKey)
|
666 |
|
|
{
|
667 |
|
|
RSAPublicKey pk1 = (RSAPublicKey) anchorPublicKey;
|
668 |
|
|
if (!(certPublicKey instanceof RSAPublicKey))
|
669 |
|
|
throw new IllegalArgumentException(Messages.getString("ImportCmd.38")); //$NON-NLS-1$
|
670 |
|
|
|
671 |
|
|
sameKey = areEqual(pk1, (RSAPublicKey) certPublicKey);
|
672 |
|
|
}
|
673 |
|
|
else
|
674 |
|
|
throw new IllegalArgumentException(
|
675 |
|
|
Messages.getFormattedString("ImportCmd.40", //$NON-NLS-1$
|
676 |
|
|
new String[] { alias,
|
677 |
|
|
anchorPublicKey.getClass().getName() }));
|
678 |
|
|
if (! sameKey)
|
679 |
|
|
throw new IllegalArgumentException(Messages.getString("ImportCmd.41")); //$NON-NLS-1$
|
680 |
|
|
if (Configuration.DEBUG)
|
681 |
|
|
log.exiting(this.getClass().getName(), "ensureReplyIsOurs"); //$NON-NLS-1$
|
682 |
|
|
}
|
683 |
|
|
|
684 |
|
|
private boolean areEqual(DSAPublicKey pk1, DSAPublicKey pk2)
|
685 |
|
|
{
|
686 |
|
|
if (pk1.getY().compareTo(pk2.getY()) != 0)
|
687 |
|
|
return false;
|
688 |
|
|
|
689 |
|
|
DSAParams p1 = pk1.getParams();
|
690 |
|
|
DSAParams p2 = pk2.getParams();
|
691 |
|
|
if (p1.getG().compareTo(p2.getG()) != 0)
|
692 |
|
|
return false;
|
693 |
|
|
|
694 |
|
|
if (p1.getP().compareTo(p2.getP()) != 0)
|
695 |
|
|
return false;
|
696 |
|
|
|
697 |
|
|
return p1.getQ().compareTo(p2.getQ()) == 0;
|
698 |
|
|
}
|
699 |
|
|
|
700 |
|
|
private boolean areEqual(RSAPublicKey pk1, RSAPublicKey pk2)
|
701 |
|
|
{
|
702 |
|
|
if (pk1.getPublicExponent().compareTo(pk2.getPublicExponent()) != 0)
|
703 |
|
|
return false;
|
704 |
|
|
|
705 |
|
|
return pk1.getModulus().compareTo(pk2.getModulus()) == 0;
|
706 |
|
|
}
|
707 |
|
|
|
708 |
|
|
/**
|
709 |
|
|
* Given a collection of certificates returned as a certificate-reply, this
|
710 |
|
|
* method sorts the certificates in the collection so that the <i>Issuer</i>
|
711 |
|
|
* of the certificate at position <code>i</code> is the <i>Subject</i> of
|
712 |
|
|
* the certificate at position <code>i + 1</code>.
|
713 |
|
|
* <p>
|
714 |
|
|
* This method uses <code>selfSignedCertificate</code> to discover the first
|
715 |
|
|
* certificate in the chain. The <i>Trust Anchor</i> of the chain; i.e. the
|
716 |
|
|
* self-signed CA certificate, if it exsits, will be discovered/established
|
717 |
|
|
* later by an appropriate <i>Certificate Path Validator</i>.
|
718 |
|
|
* <p>
|
719 |
|
|
* An exception is thrown if (a) no initial certificate is found in the
|
720 |
|
|
* designated collection which can be used as the start of the chain, or (b)
|
721 |
|
|
* if a chain can not be constructed using all the certificates in the
|
722 |
|
|
* designated collection.
|
723 |
|
|
*
|
724 |
|
|
* @param chain a collection of certificates, not necessarily ordered, but
|
725 |
|
|
* assumed to include a CA certificate authenticating our alias
|
726 |
|
|
* public key, which is the subject of the alias self-signed
|
727 |
|
|
* certificate.
|
728 |
|
|
* @return the input collection, ordered with own certificate first, and CA's
|
729 |
|
|
* self-signed certificate last.
|
730 |
|
|
*/
|
731 |
|
|
private LinkedList orderChain(Collection chain)
|
732 |
|
|
{
|
733 |
|
|
if (Configuration.DEBUG)
|
734 |
|
|
log.entering(this.getClass().getName(), "orderChain"); //$NON-NLS-1$
|
735 |
|
|
LinkedList in = new LinkedList(chain);
|
736 |
|
|
int initialCount = in.size();
|
737 |
|
|
LinkedList result = new LinkedList();
|
738 |
|
|
Principal issuer = selfSignedCertificate.getIssuerDN();
|
739 |
|
|
ListIterator it;
|
740 |
|
|
outer: while (in.size() > 0)
|
741 |
|
|
{
|
742 |
|
|
for (it = in.listIterator(); it.hasNext();)
|
743 |
|
|
{
|
744 |
|
|
X509Certificate certificate = (X509Certificate) it.next();
|
745 |
|
|
if (issuer.equals(certificate.getSubjectDN()))
|
746 |
|
|
{
|
747 |
|
|
it.remove();
|
748 |
|
|
result.addLast(certificate);
|
749 |
|
|
issuer = certificate.getIssuerDN();
|
750 |
|
|
continue outer;
|
751 |
|
|
}
|
752 |
|
|
}
|
753 |
|
|
throw new IllegalArgumentException(
|
754 |
|
|
Messages.getFormattedString(Messages.getString("ImportCmd.7"), //$NON-NLS-1$
|
755 |
|
|
new Object[] { Integer.valueOf(result.size()),
|
756 |
|
|
Integer.valueOf(initialCount) }));
|
757 |
|
|
}
|
758 |
|
|
if (Configuration.DEBUG)
|
759 |
|
|
log.exiting(this.getClass().getName(), "orderChain", result); //$NON-NLS-1$
|
760 |
|
|
return result;
|
761 |
|
|
}
|
762 |
|
|
|
763 |
|
|
/**
|
764 |
|
|
* Given an ordered list of certificates, this method attempts to validate the
|
765 |
|
|
* chain, and if successful, updates the key store entry for the designated
|
766 |
|
|
* alias. The list of certificates is expected to be ordered as a chain, where
|
767 |
|
|
* the first is the alias's own certificate and the last being a self-signed
|
768 |
|
|
* CA certificate.
|
769 |
|
|
* <p>
|
770 |
|
|
* if <code>promptUser</code> is <code>true</code>, then even if no
|
771 |
|
|
* anchor trust certificate is found, the user is prompted to approve, or not,
|
772 |
|
|
* the import operation. On the other hand if the <code>promptUser</code>
|
773 |
|
|
* parameter is <code>false</code> then this method will throw an exception
|
774 |
|
|
* if no trust anchor is to be found.
|
775 |
|
|
*
|
776 |
|
|
* @param reply an ordered certificate path, where the last entry is the CA's
|
777 |
|
|
* self-signed certificate.
|
778 |
|
|
* @param promptUser a boolean flag indicating whether or not to prompt the
|
779 |
|
|
* user for explicit trust in a CA certificate.
|
780 |
|
|
* @return <code>true</code> if the validation succeeds; or <code>false</code>
|
781 |
|
|
* otherwise.
|
782 |
|
|
* @throws NoSuchAlgorithmException
|
783 |
|
|
* @throws CertPathValidatorException
|
784 |
|
|
* @throws UnsupportedCallbackException
|
785 |
|
|
* @throws IOException
|
786 |
|
|
* @throws UnrecoverableKeyException
|
787 |
|
|
* @throws KeyStoreException
|
788 |
|
|
* @throws CertificateEncodingException
|
789 |
|
|
*/
|
790 |
|
|
private boolean findTrustAndUpdate(LinkedList reply, boolean promptUser)
|
791 |
|
|
throws IOException, NoSuchAlgorithmException, CertPathValidatorException,
|
792 |
|
|
KeyStoreException, UnrecoverableKeyException, UnsupportedCallbackException,
|
793 |
|
|
CertificateEncodingException
|
794 |
|
|
{
|
795 |
|
|
if (Configuration.DEBUG)
|
796 |
|
|
log.entering(this.getClass().getName(), "findTrustAndUpdate"); //$NON-NLS-1$
|
797 |
|
|
CertPathValidator validator = CertPathValidator.getInstance("PKIX"); //$NON-NLS-1$
|
798 |
|
|
X509CertPath certPath = new X509CertPath(reply);
|
799 |
|
|
PKIXCertPathValidatorResult cpvr = findTrustInStore(certPath, validator);
|
800 |
|
|
if (cpvr == null && trustCACerts) // try cacerts.gkr - a GKR key store
|
801 |
|
|
{
|
802 |
|
|
PKIXParameters params = getCertPathParameters(GKR, gkrCaCertsPathName);
|
803 |
|
|
cpvr = validate(validator, certPath, params);
|
804 |
|
|
if (cpvr == null) // try cacerts - a JKS key store
|
805 |
|
|
{
|
806 |
|
|
params = getCertPathParameters(JKS, jksCaCertsPathName);
|
807 |
|
|
cpvr = validate(validator, certPath, params);
|
808 |
|
|
}
|
809 |
|
|
}
|
810 |
|
|
boolean result = false;
|
811 |
|
|
if (cpvr == null)
|
812 |
|
|
{
|
813 |
|
|
if (promptUser)
|
814 |
|
|
{
|
815 |
|
|
printVerbose((Certificate) reply.getLast());
|
816 |
|
|
ConfirmationCallback ccb;
|
817 |
|
|
ccb = new ConfirmationCallback(Messages.getString("ImportCmd.32"), //$NON-NLS-1$
|
818 |
|
|
ConfirmationCallback.INFORMATION,
|
819 |
|
|
ConfirmationCallback.YES_NO_OPTION,
|
820 |
|
|
ConfirmationCallback.NO);
|
821 |
|
|
getCallbackHandler().handle(new Callback[] { ccb });
|
822 |
|
|
int answer = ccb.getSelectedIndex();
|
823 |
|
|
result = answer == ConfirmationCallback.YES;
|
824 |
|
|
}
|
825 |
|
|
}
|
826 |
|
|
else
|
827 |
|
|
{
|
828 |
|
|
TrustAnchor anchor = cpvr.getTrustAnchor();
|
829 |
|
|
log.fine("Found a chain-of-trust anchored by " + anchor); //$NON-NLS-1$
|
830 |
|
|
Certificate trustedCert = anchor.getTrustedCert();
|
831 |
|
|
reply.addLast(trustedCert);
|
832 |
|
|
result = true;
|
833 |
|
|
}
|
834 |
|
|
if (Configuration.DEBUG)
|
835 |
|
|
log.exiting(this.getClass().getName(), "findTrustAndUpdate", //$NON-NLS-1$
|
836 |
|
|
Boolean.valueOf(result));
|
837 |
|
|
return result;
|
838 |
|
|
}
|
839 |
|
|
|
840 |
|
|
private PKIXCertPathValidatorResult findTrustInStore(X509CertPath certPath,
|
841 |
|
|
CertPathValidator validator)
|
842 |
|
|
{
|
843 |
|
|
if (Configuration.DEBUG)
|
844 |
|
|
log.entering(this.getClass().getName(), "findTrustInStore"); //$NON-NLS-1$
|
845 |
|
|
PKIXCertPathValidatorResult result;
|
846 |
|
|
try
|
847 |
|
|
{
|
848 |
|
|
PKIXParameters params = new PKIXParameters(store);
|
849 |
|
|
result = (PKIXCertPathValidatorResult) validator.validate(certPath, params);
|
850 |
|
|
}
|
851 |
|
|
catch (Exception x)
|
852 |
|
|
{
|
853 |
|
|
log.log(Level.FINE,
|
854 |
|
|
"Exception in findTrustInStore(). Ignore + Return NULL", //$NON-NLS-1$
|
855 |
|
|
x);
|
856 |
|
|
result = null;
|
857 |
|
|
}
|
858 |
|
|
if (Configuration.DEBUG)
|
859 |
|
|
log.exiting(this.getClass().getName(), "findTrustInStore", result); //$NON-NLS-1$
|
860 |
|
|
return result;
|
861 |
|
|
}
|
862 |
|
|
|
863 |
|
|
/**
|
864 |
|
|
* Return an instance of {@link PKIXParameters} constructed using a key store
|
865 |
|
|
* of the designated type and located at the designated path.
|
866 |
|
|
*
|
867 |
|
|
* @param type the type of the key-store to load.
|
868 |
|
|
* @param pathName the local File System fully qualified path name to the key
|
869 |
|
|
* store.
|
870 |
|
|
* @return an instance of <code>CertPathParameters</code> to use for
|
871 |
|
|
* validating certificates and certificate replies.
|
872 |
|
|
*/
|
873 |
|
|
private PKIXParameters getCertPathParameters(String type, String pathName)
|
874 |
|
|
{
|
875 |
|
|
if (Configuration.DEBUG)
|
876 |
|
|
log.entering(this.getClass().getName(), "getCertPathParameters", //$NON-NLS-1$
|
877 |
|
|
new Object[] { type, pathName });
|
878 |
|
|
FileInputStream stream = null;
|
879 |
|
|
PKIXParameters result = null;
|
880 |
|
|
try
|
881 |
|
|
{
|
882 |
|
|
KeyStore cacerts = KeyStore.getInstance(type);
|
883 |
|
|
stream = new FileInputStream(pathName);
|
884 |
|
|
cacerts.load(stream, "changeit".toCharArray()); //$NON-NLS-1$
|
885 |
|
|
result = new PKIXParameters(cacerts);
|
886 |
|
|
}
|
887 |
|
|
catch (Exception x)
|
888 |
|
|
{
|
889 |
|
|
if (Configuration.DEBUG)
|
890 |
|
|
log.log(Level.FINE, "Exception in getCertPathParameters(). Ignore", x); //$NON-NLS-1$
|
891 |
|
|
}
|
892 |
|
|
finally
|
893 |
|
|
{
|
894 |
|
|
if (stream != null)
|
895 |
|
|
try
|
896 |
|
|
{
|
897 |
|
|
stream.close();
|
898 |
|
|
}
|
899 |
|
|
catch (Exception ignored)
|
900 |
|
|
{
|
901 |
|
|
}
|
902 |
|
|
}
|
903 |
|
|
if (Configuration.DEBUG)
|
904 |
|
|
log.exiting(this.getClass().getName(), "getCertPathParameters", result); //$NON-NLS-1$
|
905 |
|
|
return result;
|
906 |
|
|
}
|
907 |
|
|
|
908 |
|
|
private PKIXCertPathValidatorResult validate(CertPathValidator validator,
|
909 |
|
|
X509CertPath certPath,
|
910 |
|
|
PKIXParameters params)
|
911 |
|
|
{
|
912 |
|
|
if (Configuration.DEBUG)
|
913 |
|
|
log.entering(this.getClass().getName(), "validate"); //$NON-NLS-1$
|
914 |
|
|
PKIXCertPathValidatorResult result = null;
|
915 |
|
|
if (params != null)
|
916 |
|
|
try
|
917 |
|
|
{
|
918 |
|
|
result = (PKIXCertPathValidatorResult) validator.validate(certPath,
|
919 |
|
|
params);
|
920 |
|
|
}
|
921 |
|
|
catch (Exception x)
|
922 |
|
|
{
|
923 |
|
|
if (Configuration.DEBUG)
|
924 |
|
|
log.log(Level.FINE, "Exception in validate(). Ignore", x); //$NON-NLS-1$
|
925 |
|
|
}
|
926 |
|
|
if (Configuration.DEBUG)
|
927 |
|
|
log.exiting(this.getClass().getName(), "validate", result); //$NON-NLS-1$
|
928 |
|
|
return result;
|
929 |
|
|
}
|
930 |
|
|
}
|