1 files changed, 273 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/security/x509/X509CRLEntry.java b/libjava/classpath/gnu/java/security/x509/X509CRLEntry.java
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+++ b/libjava/classpath/gnu/java/security/x509/X509CRLEntry.java
@@ -0,0 +1,273 @@
+/* X509CRLEntry.java -- an entry in a X.509 CRL.
+   Copyright (C) 2003, 2004  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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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 gnu.java.security.x509;
+
+import gnu.java.security.Configuration;
+import gnu.java.security.OID;
+import gnu.java.security.der.DERReader;
+import gnu.java.security.der.DERValue;
+import gnu.java.security.x509.ext.Extension;
+
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.cert.CRLException;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import java.util.logging.Logger;
+
+/**
+ * A single entry in a X.509 certificate revocation list.
+ *
+ * @see X509CRL
+ * @author Casey Marshall
+ */
+class X509CRLEntry extends java.security.cert.X509CRLEntry
+  implements GnuPKIExtension
+{
+  private static final Logger log = Logger.getLogger(X509CRLEntry.class.getName());
+  /** The DER encoded form of this CRL entry. */
+  private byte[] encoded;
+
+  /** The revoked certificate's serial number. */
+  private BigInteger serialNo;
+
+  /** The date the certificate was revoked. */
+  private Date revocationDate;
+
+  /** The CRL entry extensions. */
+  private HashMap extensions;
+
+  // Constructor.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create a new X.509 certificate revocation list entry from the given
+   * input stream and CRL version number.
+   *
+   * @param version The CRL version.
+   * @param encoded The stream of DER bytes.
+   * @throws CRLException If the ASN.1 structure is invalid.
+   * @throws IOException  If the bytes cannot be read.
+   */
+  X509CRLEntry(int version, DERReader encoded)
+    throws CRLException, IOException
+  {
+    super();
+    extensions = new HashMap();
+    try
+      {
+        parse(version, encoded);
+      }
+    catch (IOException ioe)
+      {
+        throw ioe;
+      }
+    catch (Exception x)
+      {
+        throw new CRLException(x.toString());
+      }
+  }
+
+  // X509CRLEntry methods.
+  // ------------------------------------------------------------------------
+
+  public boolean equals(Object o)
+  {
+    if (!(o instanceof X509CRLEntry))
+      return false;
+    return ((X509CRLEntry) o).getSerialNumber().equals(serialNo) &&
+           ((X509CRLEntry) o).getRevocationDate().equals(revocationDate);
+  }
+
+  public int hashCode()
+  {
+    return serialNo.hashCode();
+  }
+
+  public byte[] getEncoded() throws CRLException
+  {
+    return (byte[]) encoded.clone();
+  }
+
+  public BigInteger getSerialNumber()
+  {
+    return serialNo;
+  }
+
+  public Date getRevocationDate()
+  {
+    return (Date) revocationDate.clone();
+  }
+
+  public boolean hasExtensions()
+  {
+    return ! extensions.isEmpty();
+  }
+
+  public String toString()
+  {
+    return "X509CRLEntry serial=" + serialNo + " revocation date="
+      + revocationDate + " ext=" + extensions;
+  }
+
+  // X509Extension methods.
+  // -------------------------------------------------------------------------
+
+  public boolean hasUnsupportedCriticalExtension()
+  {
+    for (Iterator it = extensions.values().iterator(); it.hasNext(); )
+      {
+        Extension e = (Extension) it.next();
+        if (e.isCritical() && !e.isSupported())
+          return true;
+      }
+    return false;
+  }
+
+  public Set getCriticalExtensionOIDs()
+  {
+    HashSet s = new HashSet();
+    for (Iterator it = extensions.values().iterator(); it.hasNext(); )
+      {
+        Extension e = (Extension) it.next();
+        if (e.isCritical())
+          s.add(e.getOid().toString());
+      }
+    return Collections.unmodifiableSet(s);
+  }
+
+  public Set getNonCriticalExtensionOIDs()
+  {
+    HashSet s = new HashSet();
+    for (Iterator it = extensions.values().iterator(); it.hasNext(); )
+      {
+        Extension e = (Extension) it.next();
+        if (!e.isCritical())
+          s.add(e.getOid().toString());
+      }
+    return Collections.unmodifiableSet(s);
+  }
+
+  public byte[] getExtensionValue(String oid)
+  {
+    Extension e = getExtension(new OID(oid));
+    if (e != null)
+      {
+        return e.getValue().getEncoded();
+      }
+    return null;
+  }
+
+  // GnuPKIExtension method.
+  // -------------------------------------------------------------------------
+
+  public Extension getExtension(OID oid)
+  {
+    return (Extension) extensions.get(oid);
+  }
+
+  public Collection getExtensions()
+  {
+    return extensions.values();
+  }
+
+  // Own methods.
+  // -------------------------------------------------------------------------
+
+  private void parse(int version, DERReader der) throws Exception
+  {
+    // RevokedCertificate ::= SEQUENCE {
+    DERValue entry = der.read();
+    if (Configuration.DEBUG)
+      log.fine("start CRL entry   len == " + entry.getLength());
+    if (!entry.isConstructed())
+      throw new IOException("malformed revokedCertificate");
+    encoded = entry.getEncoded();
+    int len = 0;
+    if (Configuration.DEBUG)
+      log.fine("encoded entry:\n" + Util.hexDump(encoded, ">>>> "));
+
+    //   userCertificate   CertificateSerialNumber,
+    DERValue val = der.read();
+    serialNo = (BigInteger) val.getValue();
+    len += val.getEncodedLength();
+    if (Configuration.DEBUG)
+      log.fine("userCertificate == " + serialNo + "  current count == " + len);
+
+    //   revocationDate   Time,
+    val = der.read();
+    revocationDate = (Date) val.getValue();
+    len += val.getEncodedLength();
+    if (Configuration.DEBUG)
+      log.fine("revocationDate == " + revocationDate + "  current count == "
+               + len);
+    //   crlEntryExtensions   Extensions OPTIONAL
+    //                          -- if present MUST be v2
+    if (len < entry.getLength())
+      {
+        if (version < 2)
+          throw new IOException("extra data in CRL entry");
+        DERValue exts = der.read();
+        if (!exts.isConstructed())
+          throw new IOException("malformed Extensions");
+        if (Configuration.DEBUG)
+          log.fine("start Extensions  len == " + exts.getLength());
+        len = 0;
+        while (len < exts.getLength())
+          {
+            val = der.read();
+            if (!val.isConstructed())
+              throw new IOException("malformed Extension");
+            if (Configuration.DEBUG)
+              log.fine("start Extension  len == " + val.getLength());
+            Extension e = new Extension(val.getEncoded());
+            extensions.put(e.getOid(), e);
+            der.skip(val.getLength());
+            len += val.getEncodedLength();
+            if (Configuration.DEBUG)
+              log.fine("current count == " + len);
+          }
+      }
+  }
+}