Engine.java, [...]: New files from classpath.

2003-04-30  Michael Koch  <konqueror@gmx.de>

	* gnu/java/security/Engine.java,
	gnu/java/security/OID.java,
	gnu/java/security/der/BitString.java,
	gnu/java/security/der/DER.java,
	gnu/java/security/der/DERReader.java,
	gnu/java/security/der/DERValue.java,
	gnu/java/security/der/DERWriter.java,
	gnu/java/security/provider/DSAKeyFactory.java,
	gnu/java/security/provider/X509CertificateFactory.java,
	gnu/java/security/x509/X500DistinguishedName.java,
	gnu/java/security/x509/X509CRL.java,
	gnu/java/security/x509/X509CRLEntry.java,
	gnu/java/security/x509/X509Certificate.java,
	java/security/cert/CRLSelector.java,
	java/security/cert/CertPathBuilder.java,
	java/security/cert/CertPathBuilderResult.java,
	java/security/cert/CertPathBuilderSpi.java,
	java/security/cert/CertPathParameters.java,
	java/security/cert/CertPathValidator.java,
	java/security/cert/CertPathValidatorResult.java,
	java/security/cert/CertPathValidatorSpi.java,
	java/security/cert/CertSelector.java,
	java/security/cert/CertStore.java,
	java/security/cert/CertStoreParameters.java,
	java/security/cert/CertStoreSpi.java,
	java/security/cert/CollectionCertStoreParameters.java,
	java/security/cert/LDAPCertStoreParameters.java,
	java/security/cert/PKIXBuilderParameters.java,
	java/security/cert/PKIXCertPathBuilderResult.java,
	java/security/cert/PKIXCertPathChecker.java,
	java/security/cert/PKIXCertPathValidatorResult.java,
	java/security/cert/PKIXParameters.java,
	java/security/cert/PolicyNode.java,
	java/security/cert/PolicyQualifierInfo.java,
	java/security/cert/TrustAnchor.java,
	javax/security/auth/x500/X500Principal.java:
	New files from classpath.
	* gnu/java/io/ASN1ParsingException.java,
	gnu/java/io/Base64InputStream.java,
	gnu/java/security/der/DEREncodingException.java,
	gnu/java/security/provider/DSAParameters.java,
	gnu/java/security/provider/DSASignature.java,
	gnu/java/security/provider/Gnu.java,
	gnu/java/security/provider/GnuDSAPrivateKey.java,
	gnu/java/security/provider/GnuDSAPublicKey.java,
	java/security/AlgorithmParameterGenerator.java,
	java/security/AlgorithmParameters.java,
	java/security/KeyFactory.java,
	java/security/KeyPairGenerator.java,
	java/security/KeyStore.java,
	java/security/MessageDigest.java,
	java/security/SecureClassLoader.java,
	java/security/SecureRandom.java,
	java/security/Security.java,
	java/security/Signature.java,
	java/security/cert/Certificate.java,
	java/security/cert/CertificateFactory.java,
	java/security/cert/CertificateFactorySpi.java,
	java/security/cert/X509CRL.java,
	java/security/cert/X509Certificate.java,
	java/security/spec/DSAPublicKeySpec.java:
	New versions from classpath.
	* gnu/java/security/provider/DERReader.java,
	gnu/java/security/provider/DERWriter.java,
	java/security/Engine.java: Removed.
	* Makefile.am
	(java_source_files, javax_source_files): Added new files.
	* Makefile.in: Regenerated.

From-SVN: r66283

1 files changed, 248 insertions, 0 deletions

diff --git a/libjava/java/security/cert/CertPathValidator.java b/libjava/java/security/cert/CertPathValidator.java
new file mode 100644
index 0000000..4c1262d
--- /dev/null
+++ b/libjava/java/security/cert/CertPathValidator.java
@@ -0,0 +1,248 @@
+/* CertPathValidator -- validates certificate paths.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+ 
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.security.cert;
+
+import java.security.AccessController;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.PrivilegedAction;
+import java.security.Provider;
+import java.security.Security;
+
+import gnu.java.security.Engine;
+
+/**
+ * Generic interface to classes that validate certificate paths.
+ *
+ * <p>Using this class is similar to all the provider-based security
+ * classes; the method of interest, {@link
+ * #validate(java.security.cert.CertPath,java.security.cert.CertPathParameters)},
+ * which takes provider-specific implementations of {@link
+ * CertPathParameters}, and return provider-specific implementations of
+ * {@link CertPathValidatorResult}.
+ *
+ * @since JDK 1.4
+ * @see CertPath
+ */
+public class CertPathValidator {
+
+  // Constants and fields.
+  // ------------------------------------------------------------------------
+
+  /** Service name for CertPathValidator. */
+  private static final String CERT_PATH_VALIDATOR = "CertPathValidator";
+
+  /** The underlying implementation. */
+  private final CertPathValidatorSpi validatorSpi;
+
+  /** The provider of this implementation. */
+  private final Provider provider;
+
+  /** The algorithm's name. */
+  private final String algorithm;
+
+  // Constructor.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Creates a new CertPathValidator.
+   *
+   * @param validatorSpi The underlying implementation.
+   * @param provider     The provider of the implementation.
+   * @param algorithm    The algorithm name.
+   */
+  protected CertPathValidator(CertPathValidatorSpi validatorSpi,
+                              Provider provider, String algorithm)
+  {
+    this.validatorSpi = validatorSpi;
+    this.provider = provider;
+    this.algorithm = algorithm;
+  }
+
+  // Class methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Returns the default validator type.
+   *
+   * <p>This value may be set at run-time via the security property
+   * "certpathvalidator.type", or the value "PKIX" if this property is
+   * not set.
+   *
+   * @return The default validator type.
+   */
+  public static synchronized String getDefaultType() {
+    String type = (String) AccessController.doPrivileged(
+      new PrivilegedAction()
+        {
+          public Object run()
+          {
+            return Security.getProperty("certpathvalidator.type");
+          }
+        }
+    );
+    if (type == null)
+      type = "PKIX";
+    return type;
+  }
+
+  /**
+   * Get an instance of the given validator from the first provider that
+   * implements it.
+   *
+   * @param algorithm The name of the algorithm to get.
+   * @return The new instance.
+   * @throws NoSuchAlgorithmException If no installed provider
+   * implements the requested algorithm.
+   */
+  public static CertPathValidator getInstance(String algorithm)
+    throws NoSuchAlgorithmException
+  {
+    Provider[] p = Security.getProviders();
+    for (int i = 0; i < p.length; i++)
+      {
+        try
+          {
+            return getInstance(algorithm, p[i]);
+          }
+        catch (NoSuchAlgorithmException ignored)
+          {
+          }
+      }
+    throw new NoSuchAlgorithmException(algorithm);
+  }
+
+  /**
+   * Get an instance of the given validator from the named provider.
+   *
+   * @param algorithm The name of the algorithm to get.
+   * @param provider  The name of the provider from which to get the
+   * implementation.
+   * @return The new instance.
+   * @throws NoSuchAlgorithmException If the named provider does not
+   * implement the algorithm.
+   * @throws NoSuchProviderException If no provider named
+   * <i>provider</i> is installed.
+   */
+  public static CertPathValidator getInstance(String algorithm,
+                                              String provider)
+    throws NoSuchAlgorithmException, NoSuchProviderException
+  {
+    Provider p = Security.getProvider(provider);
+    if (p == null)
+      throw new NoSuchProviderException(provider);
+
+    return getInstance(algorithm, p);
+  }
+
+  /**
+   * Get an instance of the given validator from the given provider.
+   *
+   * @param algorithm The name of the algorithm to get.
+   * @param provider  The provider from which to get the implementation.
+   * @return The new instance.
+   * @throws NoSuchAlgorithmException If the provider does not implement
+   * the algorithm.
+   * @throws IllegalArgumentException If <i>provider</i> is null.
+   */
+  public static CertPathValidator getInstance(String algorithm,
+                                              Provider provider)
+    throws NoSuchAlgorithmException
+  {
+    if (provider == null)
+      throw new IllegalArgumentException("null provider");
+
+    try
+      {
+        return new CertPathValidator((CertPathValidatorSpi)
+          Engine.getInstance(CERT_PATH_VALIDATOR, algorithm, provider),
+          provider, algorithm);
+      }
+    catch (java.lang.reflect.InvocationTargetException ite)
+      {
+        throw new NoSuchAlgorithmException(algorithm);
+      }
+    catch (ClassCastException cce)
+      {
+        throw new NoSuchAlgorithmException(algorithm);
+      }
+  }
+
+  // Instance methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Return the name of this validator.
+   *
+   * @return This validator's name.
+   */
+  public final String getAlgorithm()
+  {
+    return algorithm;
+  }
+
+  /**
+   * Return the provider of this implementation.
+   *
+   * @return The provider.
+   */
+  public final Provider getProvider()
+  {
+    return provider;
+  }
+
+  /**
+   * Attempt to validate a certificate path.
+   *
+   * @param certPath The path to validate.
+   * @param params   The algorithm-specific parameters.
+   * @return The result of this validation attempt.
+   * @throws CertPathValidatorException If the certificate path cannot
+   * be validated.
+   * @throws InvalidAlgorithmParameterException If this implementation
+   * rejects the specified parameters.
+   */
+  public final CertPathValidatorResult validate(CertPath certPath,
+                                                CertPathParameters params)
+    throws CertPathValidatorException, InvalidAlgorithmParameterException
+  {
+    return validatorSpi.engineValidate(certPath, params);
+  }
+}