src/share/classes/sun/security/ssl/X509TrustManagerImpl.java - toolchain/jdk/jdk9_jdk - Git at Google

 /*
  * Copyright (c) 1997, 2007, 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.ssl;

 import java.util.*;
 import java.security.*;
 import java.security.cert.*;

 import javax.net.ssl.*;

 import com.sun.net.ssl.internal.ssl.X509ExtendedTrustManager;

 import sun.security.validator.*;

 import sun.security.util.HostnameChecker;

 /**
  * This class implements the SunJSSE X.509 trust manager using the internal
  * validator API in J2SE core. The logic in this class is minimal.<p>
  *
  * This class supports both the Simple validation algorithm from previous
  * JSSE versions and PKIX validation. Currently, it is not possible for the
  * application to specify PKIX parameters other than trust anchors. This will
  * be fixed in a future release using new APIs. When that happens, it may also
  * make sense to separate the Simple and PKIX trust managers into separate
  * classes.
  *
  * @author Andreas Sterbenz
  * @author Xuelei Fan
  */
 final class X509TrustManagerImpl extends X509ExtendedTrustManager
         implements X509TrustManager {

     /**
      * Flag indicating whether to enable revocation check for the PKIX trust
      * manager. Typically, this will only work if the PKIX implementation
      * supports CRL distribution points as we do not manually setup CertStores.
      */
     private final static boolean checkRevocation =
         Debug.getBooleanProperty("com.sun.net.ssl.checkRevocation", false);

     private final String validatorType;

     /**
      * The Set of trusted X509Certificates.
      */
     private final Collection<X509Certificate> trustedCerts;

     private final PKIXBuilderParameters pkixParams;

     // note that we need separate validator for client and server due to
     // the different extension checks. They are initialized lazily on demand.
     private volatile Validator clientValidator, serverValidator;

     private static final Debug debug = Debug.getInstance("ssl");

     X509TrustManagerImpl(String validatorType, KeyStore ks)
             throws KeyStoreException {
         this.validatorType = validatorType;
         this.pkixParams = null;
         if (ks == null) {
             trustedCerts = Collections.<X509Certificate>emptySet();
         } else {
             trustedCerts = KeyStores.getTrustedCerts(ks);
         }
         showTrustedCerts();
     }

     X509TrustManagerImpl(String validatorType, PKIXBuilderParameters params) {
         this.validatorType = validatorType;
         this.pkixParams = params;
         // create server validator eagerly so that we can conveniently
         // get the trusted certificates
         // clients need it anyway eventually, and servers will not mind
         // the little extra footprint
         Validator v = getValidator(Validator.VAR_TLS_SERVER);
         trustedCerts = v.getTrustedCertificates();
         serverValidator = v;
         showTrustedCerts();
     }

     private void showTrustedCerts() {
         if (debug != null && Debug.isOn("trustmanager")) {
             for (X509Certificate cert : trustedCerts) {
                 System.out.println("adding as trusted cert:");
                 System.out.println("  Subject: "
                                         + cert.getSubjectX500Principal());
                 System.out.println("  Issuer:  "
                                         + cert.getIssuerX500Principal());
                 System.out.println("  Algorithm: "
                                         + cert.getPublicKey().getAlgorithm()
                                         + "; Serial number: 0x"
                                         + cert.getSerialNumber().toString(16));
                 System.out.println("  Valid from "
                                         + cert.getNotBefore() + " until "
                                         + cert.getNotAfter());
                 System.out.println();
             }
         }
     }

     private Validator getValidator(String variant) {
         Validator v;
         if (pkixParams == null) {
             v = Validator.getInstance(validatorType, variant, trustedCerts);
             // if the PKIX validator is created from a KeyStore,
             // disable revocation checking
             if (v instanceof PKIXValidator) {
                 PKIXValidator pkixValidator = (PKIXValidator)v;
                 pkixValidator.getParameters().setRevocationEnabled
                                                             (checkRevocation);
             }
         } else {
             v = Validator.getInstance(validatorType, variant, pkixParams);
         }
         return v;
     }

     private static X509Certificate[] validate(Validator v,
             X509Certificate[] chain, String authType) throws CertificateException {
         Object o = JsseJce.beginFipsProvider();
         try {
             return v.validate(chain, null, authType);
         } finally {
             JsseJce.endFipsProvider(o);
         }
     }

     /**
      * Returns true if the client certificate can be trusted.
      *
      * @param chain certificates which establish an identity for the client.
      *      Chains of arbitrary length are supported, and certificates
      *      marked internally as trusted will short-circuit signature checks.
      * @throws IllegalArgumentException if null or zero-length chain
      *         is passed in for the chain parameter or if null or zero-length
      *         string is passed in for the authType parameter.
      * @throws CertificateException if the certificate chain is not trusted
      *      by this TrustManager.
      */
     public void checkClientTrusted(X509Certificate chain[], String authType)
             throws CertificateException {
         if (chain == null || chain.length == 0) {
             throw new IllegalArgumentException(
                 "null or zero-length certificate chain");
         }
         if (authType == null || authType.length() == 0) {
             throw new IllegalArgumentException(
                 "null or zero-length authentication type");
         }

         // assume double checked locking with a volatile flag works
         // (guaranteed under the new Tiger memory model)
         Validator v = clientValidator;
         if (v == null) {
             synchronized (this) {
                 v = clientValidator;
                 if (v == null) {
                     v = getValidator(Validator.VAR_TLS_CLIENT);
                     clientValidator = v;
                 }
             }
         }
         X509Certificate[] trustedChain = validate(v, chain, null);
         if (debug != null && Debug.isOn("trustmanager")) {
             System.out.println("Found trusted certificate:");
             System.out.println(trustedChain[trustedChain.length - 1]);
         }
     }

     /**
      * Returns true if the server certifcate can be trusted.
      *
      * @param chain certificates which establish an identity for the server.
      *      Chains of arbitrary length are supported, and certificates
      *      marked internally as trusted will short-circuit signature checks.
      * @throws IllegalArgumentException if null or zero-length chain
      *         is passed in for the chain parameter or if null or zero-length
      *         string is passed in for the authType parameter.
      * @throws CertificateException if the certificate chain is not trusted
      *      by this TrustManager.
      */
     public void checkServerTrusted(X509Certificate chain[], String authType)
             throws CertificateException {
         if (chain == null || chain.length == 0) {
             throw new IllegalArgumentException(
                 "null or zero-length certificate chain");
         }
         if (authType == null || authType.length() == 0) {
             throw new IllegalArgumentException(
                 "null or zero-length authentication type");
         }

         // assume double checked locking with a volatile flag works
         // (guaranteed under the new Tiger memory model)
         Validator v = serverValidator;
         if (v == null) {
             synchronized (this) {
                 v = serverValidator;
                 if (v == null) {
                     v = getValidator(Validator.VAR_TLS_SERVER);
                     serverValidator = v;
                 }
             }
         }
         X509Certificate[] trustedChain = validate(v, chain, authType);
         if (debug != null && Debug.isOn("trustmanager")) {
             System.out.println("Found trusted certificate:");
             System.out.println(trustedChain[trustedChain.length - 1]);
         }
     }

     /**
      * Returns a list of CAs accepted to authenticate entities for the
      * specified purpose.
      *
      * @param purpose activity for which CAs should be trusted
      * @return list of CAs accepted for authenticating such tasks
      */
     public X509Certificate[] getAcceptedIssuers() {
         X509Certificate[] certsArray = new X509Certificate[trustedCerts.size()];
         trustedCerts.toArray(certsArray);
         return certsArray;
     }

     /**
      * Given the partial or complete certificate chain provided by the
      * peer, check its identity and build a certificate path to a trusted
      * root, return if it can be validated and is trusted for client SSL
      * authentication based on the authentication type.
      */
     public void checkClientTrusted(X509Certificate[] chain, String authType,
         String hostname, String algorithm) throws CertificateException {
         checkClientTrusted(chain, authType);
         checkIdentity(hostname, chain[0], algorithm);
     }

     /**
      * Given the partial or complete certificate chain provided by the
      * peer, check its identity and build a certificate path to a trusted
      * root, return if it can be validated and is trusted for server SSL
      * authentication based on the authentication type.
      */
     public void checkServerTrusted(X509Certificate[] chain, String authType,
         String hostname, String algorithm) throws CertificateException {
         checkServerTrusted(chain, authType);
         checkIdentity(hostname, chain[0], algorithm);
     }

     // Identify the peer by its certificate and hostname.
     private void checkIdentity(String hostname, X509Certificate cert,
         String algorithm) throws CertificateException {
         if (algorithm != null && algorithm.length() != 0) {
             // if IPv6 strip off the "[]"
             if (hostname != null && hostname.startsWith("[") &&
                 hostname.endsWith("]")) {
                 hostname = hostname.substring(1, hostname.length()-1);
             }

             if (algorithm.equalsIgnoreCase("HTTPS")) {
                 HostnameChecker.getInstance(HostnameChecker.TYPE_TLS).match(
                         hostname, cert);
             } else if (algorithm.equalsIgnoreCase("LDAP")) {
                 HostnameChecker.getInstance(HostnameChecker.TYPE_LDAP).match(
                         hostname, cert);
             } else {
                 throw new CertificateException(
                         "Unknown identification algorithm: " + algorithm);
             }
         }
     }
 }
	/*
	* Copyright (c) 1997, 2007, 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.ssl;

	import java.util.*;
	import java.security.*;
	import java.security.cert.*;

	import javax.net.ssl.*;

	import com.sun.net.ssl.internal.ssl.X509ExtendedTrustManager;

	import sun.security.validator.*;

	import sun.security.util.HostnameChecker;

	/**
	* This class implements the SunJSSE X.509 trust manager using the internal
	* validator API in J2SE core. The logic in this class is minimal.<p>
	*
	* This class supports both the Simple validation algorithm from previous
	* JSSE versions and PKIX validation. Currently, it is not possible for the
	* application to specify PKIX parameters other than trust anchors. This will
	* be fixed in a future release using new APIs. When that happens, it may also
	* make sense to separate the Simple and PKIX trust managers into separate
	* classes.
	*
	* @author Andreas Sterbenz
	* @author Xuelei Fan
	*/
	final class X509TrustManagerImpl extends X509ExtendedTrustManager
	implements X509TrustManager {

	/**
	* Flag indicating whether to enable revocation check for the PKIX trust
	* manager. Typically, this will only work if the PKIX implementation
	* supports CRL distribution points as we do not manually setup CertStores.
	*/
	private final static boolean checkRevocation =
	Debug.getBooleanProperty("com.sun.net.ssl.checkRevocation", false);

	private final String validatorType;

	/**
	* The Set of trusted X509Certificates.
	*/
	private final Collection<X509Certificate> trustedCerts;

	private final PKIXBuilderParameters pkixParams;

	// note that we need separate validator for client and server due to
	// the different extension checks. They are initialized lazily on demand.
	private volatile Validator clientValidator, serverValidator;

	private static final Debug debug = Debug.getInstance("ssl");

	X509TrustManagerImpl(String validatorType, KeyStore ks)
	throws KeyStoreException {
	this.validatorType = validatorType;
	this.pkixParams = null;
	if (ks == null) {
	trustedCerts = Collections.<X509Certificate>emptySet();
	} else {
	trustedCerts = KeyStores.getTrustedCerts(ks);
	}
	showTrustedCerts();
	}

	X509TrustManagerImpl(String validatorType, PKIXBuilderParameters params) {
	this.validatorType = validatorType;
	this.pkixParams = params;
	// create server validator eagerly so that we can conveniently
	// get the trusted certificates
	// clients need it anyway eventually, and servers will not mind
	// the little extra footprint
	Validator v = getValidator(Validator.VAR_TLS_SERVER);
	trustedCerts = v.getTrustedCertificates();
	serverValidator = v;
	showTrustedCerts();
	}

	private void showTrustedCerts() {
	if (debug != null && Debug.isOn("trustmanager")) {
	for (X509Certificate cert : trustedCerts) {
	System.out.println("adding as trusted cert:");
	System.out.println(" Subject: "
	+ cert.getSubjectX500Principal());
	System.out.println(" Issuer: "
	+ cert.getIssuerX500Principal());
	System.out.println(" Algorithm: "
	+ cert.getPublicKey().getAlgorithm()
	+ "; Serial number: 0x"
	+ cert.getSerialNumber().toString(16));
	System.out.println(" Valid from "
	+ cert.getNotBefore() + " until "
	+ cert.getNotAfter());
	System.out.println();
	}
	}
	}

	private Validator getValidator(String variant) {
	Validator v;
	if (pkixParams == null) {
	v = Validator.getInstance(validatorType, variant, trustedCerts);
	// if the PKIX validator is created from a KeyStore,
	// disable revocation checking
	if (v instanceof PKIXValidator) {
	PKIXValidator pkixValidator = (PKIXValidator)v;
	pkixValidator.getParameters().setRevocationEnabled
	(checkRevocation);
	}
	} else {
	v = Validator.getInstance(validatorType, variant, pkixParams);
	}
	return v;
	}

	private static X509Certificate[] validate(Validator v,
	X509Certificate[] chain, String authType) throws CertificateException {
	Object o = JsseJce.beginFipsProvider();
	try {
	return v.validate(chain, null, authType);
	} finally {
	JsseJce.endFipsProvider(o);
	}
	}

	/**
	* Returns true if the client certificate can be trusted.
	*
	* @param chain certificates which establish an identity for the client.
	* Chains of arbitrary length are supported, and certificates
	* marked internally as trusted will short-circuit signature checks.
	* @throws IllegalArgumentException if null or zero-length chain
	* is passed in for the chain parameter or if null or zero-length
	* string is passed in for the authType parameter.
	* @throws CertificateException if the certificate chain is not trusted
	* by this TrustManager.
	*/
	public void checkClientTrusted(X509Certificate chain[], String authType)
	throws CertificateException {
	if (chain == null \|\| chain.length == 0) {
	throw new IllegalArgumentException(
	"null or zero-length certificate chain");
	}
	if (authType == null \|\| authType.length() == 0) {
	throw new IllegalArgumentException(
	"null or zero-length authentication type");
	}

	// assume double checked locking with a volatile flag works
	// (guaranteed under the new Tiger memory model)
	Validator v = clientValidator;
	if (v == null) {
	synchronized (this) {
	v = clientValidator;
	if (v == null) {
	v = getValidator(Validator.VAR_TLS_CLIENT);
	clientValidator = v;
	}
	}
	}
	X509Certificate[] trustedChain = validate(v, chain, null);
	if (debug != null && Debug.isOn("trustmanager")) {
	System.out.println("Found trusted certificate:");
	System.out.println(trustedChain[trustedChain.length - 1]);
	}
	}

	/**
	* Returns true if the server certifcate can be trusted.
	*
	* @param chain certificates which establish an identity for the server.
	* Chains of arbitrary length are supported, and certificates
	* marked internally as trusted will short-circuit signature checks.
	* @throws IllegalArgumentException if null or zero-length chain
	* is passed in for the chain parameter or if null or zero-length
	* string is passed in for the authType parameter.
	* @throws CertificateException if the certificate chain is not trusted
	* by this TrustManager.
	*/
	public void checkServerTrusted(X509Certificate chain[], String authType)
	throws CertificateException {
	if (chain == null \|\| chain.length == 0) {
	throw new IllegalArgumentException(
	"null or zero-length certificate chain");
	}
	if (authType == null \|\| authType.length() == 0) {
	throw new IllegalArgumentException(
	"null or zero-length authentication type");
	}

	// assume double checked locking with a volatile flag works
	// (guaranteed under the new Tiger memory model)
	Validator v = serverValidator;
	if (v == null) {
	synchronized (this) {
	v = serverValidator;
	if (v == null) {
	v = getValidator(Validator.VAR_TLS_SERVER);
	serverValidator = v;
	}
	}
	}
	X509Certificate[] trustedChain = validate(v, chain, authType);
	if (debug != null && Debug.isOn("trustmanager")) {
	System.out.println("Found trusted certificate:");
	System.out.println(trustedChain[trustedChain.length - 1]);
	}
	}

	/**
	* Returns a list of CAs accepted to authenticate entities for the
	* specified purpose.
	*
	* @param purpose activity for which CAs should be trusted
	* @return list of CAs accepted for authenticating such tasks
	*/
	public X509Certificate[] getAcceptedIssuers() {
	X509Certificate[] certsArray = new X509Certificate[trustedCerts.size()];
	trustedCerts.toArray(certsArray);
	return certsArray;
	}

	/**
	* Given the partial or complete certificate chain provided by the
	* peer, check its identity and build a certificate path to a trusted
	* root, return if it can be validated and is trusted for client SSL
	* authentication based on the authentication type.
	*/
	public void checkClientTrusted(X509Certificate[] chain, String authType,
	String hostname, String algorithm) throws CertificateException {
	checkClientTrusted(chain, authType);
	checkIdentity(hostname, chain[0], algorithm);
	}

	/**
	* Given the partial or complete certificate chain provided by the
	* peer, check its identity and build a certificate path to a trusted
	* root, return if it can be validated and is trusted for server SSL
	* authentication based on the authentication type.
	*/
	public void checkServerTrusted(X509Certificate[] chain, String authType,
	String hostname, String algorithm) throws CertificateException {
	checkServerTrusted(chain, authType);
	checkIdentity(hostname, chain[0], algorithm);
	}

	// Identify the peer by its certificate and hostname.
	private void checkIdentity(String hostname, X509Certificate cert,
	String algorithm) throws CertificateException {
	if (algorithm != null && algorithm.length() != 0) {
	// if IPv6 strip off the "[]"
	if (hostname != null && hostname.startsWith("[") &&
	hostname.endsWith("]")) {
	hostname = hostname.substring(1, hostname.length()-1);
	}

	if (algorithm.equalsIgnoreCase("HTTPS")) {
	HostnameChecker.getInstance(HostnameChecker.TYPE_TLS).match(
	hostname, cert);
	} else if (algorithm.equalsIgnoreCase("LDAP")) {
	HostnameChecker.getInstance(HostnameChecker.TYPE_LDAP).match(
	hostname, cert);
	} else {
	throw new CertificateException(
	"Unknown identification algorithm: " + algorithm);
	}
	}
	}
	}