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diff --git a/libjava/classpath/javax/security/auth/x500/X500Principal.java b/libjava/classpath/javax/security/auth/x500/X500Principal.java
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+++ b/libjava/classpath/javax/security/auth/x500/X500Principal.java
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+/* X500Principal.java -- X.500 principal.
+ Copyright (C) 2003, 2004, 2005 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 javax.security.auth.x500;
+
+import gnu.java.lang.CPStringBuilder;
+
+import gnu.java.security.OID;
+import gnu.java.security.der.DER;
+import gnu.java.security.der.DERReader;
+import gnu.java.security.der.DERValue;
+
+import java.io.ByteArrayInputStream;
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.NotActiveException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Reader;
+import java.io.Serializable;
+import java.io.StringReader;
+
+import java.security.Principal;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Set;
+
+public final class X500Principal implements Principal, Serializable
+{
+ private static final long serialVersionUID = -500463348111345721L;
+
+ // Constants and fields.
+ // ------------------------------------------------------------------------
+
+ public static final String CANONICAL = "CANONICAL";
+ public static final String RFC1779 = "RFC1779";
+ public static final String RFC2253 = "RFC2253";
+
+ private static final OID CN = new OID("2.5.4.3");
+ private static final OID C = new OID("2.5.4.6");
+ private static final OID L = new OID("2.5.4.7");
+ private static final OID ST = new OID("2.5.4.8");
+ private static final OID STREET = new OID("2.5.4.9");
+ private static final OID O = new OID("2.5.4.10");
+ private static final OID OU = new OID("2.5.4.11");
+ private static final OID DC = new OID("0.9.2342.19200300.100.1.25");
+ private static final OID UID = new OID("0.9.2342.19200300.100.1.1");
+
+ private transient List components;
+ private transient Map currentRdn;
+ private transient boolean fixed;
+ private transient byte[] encoded;
+
+ // Constructors.
+ // ------------------------------------------------------------------------
+
+ private X500Principal()
+ {
+ components = new LinkedList();
+ currentRdn = new LinkedHashMap();
+ components.add (currentRdn);
+ }
+
+ public X500Principal (String name)
+ {
+ this();
+ if (name == null)
+ throw new NullPointerException();
+ try
+ {
+ parseString (name);
+ }
+ catch (IOException ioe)
+ {
+ IllegalArgumentException iae = new IllegalArgumentException("malformed name");
+ iae.initCause (ioe);
+ throw iae;
+ }
+ }
+
+ public X500Principal (byte[] encoded)
+ {
+ this(new ByteArrayInputStream (encoded));
+ }
+
+ public X500Principal (InputStream encoded)
+ {
+ this();
+ try
+ {
+ parseDer (encoded);
+ }
+ catch (IOException ioe)
+ {
+ throw new IllegalArgumentException (ioe.toString());
+ }
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ public int hashCode()
+ {
+ int result = size();
+ for (int i = 0; i < size(); ++i)
+ {
+ Map m = (Map) components.get(i);
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it2.next();
+ // We don't bother looking at the value of the entry.
+ result = result * 31 + ((OID) e.getKey()).hashCode();
+ }
+ }
+ return result;
+ }
+
+ public boolean equals(Object o)
+ {
+ if (!(o instanceof X500Principal))
+ return false;
+ if (size() != ((X500Principal) o).size())
+ return false;
+ for (int i = 0; i < size(); i++)
+ {
+ Map m = (Map) components.get (i);
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it2.next();
+ OID oid = (OID) e.getKey();
+ String v1 = (String) e.getValue();
+ String v2 = ((X500Principal) o).getComponent (oid, i);
+ if (v2 == null)
+ return false;
+ if (!compressWS (v1).equalsIgnoreCase (compressWS (v2)))
+ return false;
+ }
+ }
+ return true;
+ }
+
+ public byte[] getEncoded()
+ {
+ if (encoded == null)
+ encodeDer();
+ return (byte[]) encoded.clone();
+ }
+
+ public String getName()
+ {
+ return getName (RFC2253);
+ }
+
+ public String getName (final String format)
+ {
+ boolean rfc2253 = RFC2253.equalsIgnoreCase (format) ||
+ CANONICAL.equalsIgnoreCase (format);
+ boolean rfc1779 = RFC1779.equalsIgnoreCase (format);
+ boolean canon = CANONICAL.equalsIgnoreCase (format);
+ if (! (rfc2253 || rfc1779 || canon))
+ throw new IllegalArgumentException ("unsupported format " + format);
+ CPStringBuilder str = new CPStringBuilder();
+ for (Iterator it = components.iterator(); it.hasNext(); )
+ {
+ Map m = (Map) it.next();
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry entry = (Map.Entry) it2.next();
+ OID oid = (OID) entry.getKey();
+ String value = (String) entry.getValue();
+ if (oid.equals (CN))
+ str.append ("CN");
+ else if (oid.equals (C))
+ str.append ("C");
+ else if (oid.equals (L))
+ str.append ("L");
+ else if (oid.equals (ST))
+ str.append ("ST");
+ else if (oid.equals (STREET))
+ str.append ("STREET");
+ else if (oid.equals (O))
+ str.append ("O");
+ else if (oid.equals (OU))
+ str.append ("OU");
+ else if (oid.equals (DC) && rfc2253)
+ str.append ("DC");
+ else if (oid.equals (UID) && rfc2253)
+ str.append ("UID");
+ else
+ str.append (oid.toString());
+ str.append('=');
+ str.append(value);
+ if (it2.hasNext())
+ str.append('+');
+ }
+ if (it.hasNext())
+ str.append(',');
+ }
+ if (canon)
+ return str.toString().toUpperCase (Locale.US).toLowerCase (Locale.US);
+ return str.toString();
+ }
+
+ public String toString()
+ {
+ return getName (RFC2253);
+ }
+
+ // Serialization methods.
+ // ------------------------------------------------------------------------
+
+ private void writeObject (ObjectOutputStream out) throws IOException
+ {
+ if (encoded != null)
+ encodeDer();
+ out.writeObject (encoded);
+ }
+
+ private void readObject (ObjectInputStream in)
+ throws IOException, NotActiveException, ClassNotFoundException
+ {
+ byte[] buf = (byte[]) in.readObject();
+ parseDer (new ByteArrayInputStream (buf));
+ }
+
+ // Own methods.
+ // -------------------------------------------------------------------------
+
+ private int size()
+ {
+ return components.size();
+ }
+
+ private String getComponent(OID oid, int rdn)
+ {
+ if (rdn >= size())
+ return null;
+ return (String) ((Map) components.get (rdn)).get (oid);
+ }
+
+ private void encodeDer()
+ {
+ ArrayList name = new ArrayList(components.size());
+ for (Iterator it = components.iterator(); it.hasNext(); )
+ {
+ Map m = (Map) it.next();
+ if (m.isEmpty())
+ continue;
+ Set rdn = new HashSet();
+ for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
+ {
+ Map.Entry e = (Map.Entry) it2.next();
+ ArrayList atav = new ArrayList(2);
+ atav.add(new DERValue(DER.OBJECT_IDENTIFIER, e.getKey()));
+ atav.add(new DERValue(DER.UTF8_STRING, e.getValue()));
+ rdn.add(new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, atav));
+ }
+ name.add(new DERValue(DER.SET|DER.CONSTRUCTED, rdn));
+ }
+ DERValue val = new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, name);
+ encoded = val.getEncoded();
+ }
+
+ private int sep;
+
+ private void parseString(String str) throws IOException
+ {
+ Reader in = new StringReader(str);
+ while (true)
+ {
+ String key = readAttributeType(in);
+ if (key == null)
+ break;
+ String value = readAttributeValue(in);
+ putComponent(key, value);
+ if (sep == ',')
+ newRelativeDistinguishedName();
+ if (sep == -1)
+ break;
+ }
+ }
+
+ private String readAttributeType(Reader in) throws IOException
+ {
+ CPStringBuilder buf = new CPStringBuilder();
+ int ch;
+ while ((ch = in.read()) != '=')
+ {
+ if (ch == -1)
+ {
+ if (buf.length() > 0)
+ throw new EOFException("partial name read: " + buf);
+ return null;
+ }
+ if (ch > 127)
+ throw new IOException("Invalid char: " + (char) ch);
+ if (Character.isLetterOrDigit((char) ch) || ch == '-' || ch == '.')
+ buf.append((char) ch);
+ else
+ throw new IOException("Invalid char: " + (char) ch);
+ }
+ return buf.toString();
+ }
+
+ private String readAttributeValue(Reader in) throws IOException
+ {
+ CPStringBuilder buf = new CPStringBuilder();
+ int ch = in.read();
+ if (ch == '#')
+ {
+ while (true)
+ {
+ ch = in.read();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ buf.append((char) ch);
+ else if (ch == '+' || ch == ',')
+ {
+ sep = ch;
+ String hex = buf.toString();
+ return new String(toByteArray(hex));
+ }
+ else
+ throw new IOException("illegal character: " + (char) ch);
+ }
+ }
+ else if (ch == '"')
+ {
+ while (true)
+ {
+ ch = in.read();
+ if (ch == '"')
+ break;
+ else if (ch == '\\')
+ {
+ ch = in.read();
+ if (ch == -1)
+ throw new EOFException();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ {
+ int i = Character.digit((char) ch, 16) << 4;
+ ch = in.read();
+ if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch)))
+ throw new IOException("illegal hex char");
+ i |= Character.digit((char) ch, 16);
+ buf.append((char) i);
+ }
+ else
+ buf.append((char) ch);
+ }
+ else
+ buf.append((char) ch);
+ }
+ sep = in.read();
+ if (sep != '+' && sep != ',')
+ throw new IOException("illegal character: " + (char) ch);
+ return buf.toString();
+ }
+ else
+ {
+ while (true)
+ {
+ switch (ch)
+ {
+ case '+':
+ case ',':
+ sep = ch;
+ return buf.toString();
+ case '\\':
+ ch = in.read();
+ if (ch == -1)
+ throw new EOFException();
+ if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch))
+ {
+ int i = Character.digit((char) ch, 16) << 4;
+ ch = in.read();
+ if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
+ || Character.isDigit((char) ch)))
+ throw new IOException("illegal hex char");
+ i |= Character.digit((char) ch, 16);
+ buf.append((char) i);
+ }
+ else
+ buf.append((char) ch);
+ break;
+ case '=':
+ case '<':
+ case '>':
+ case '#':
+ case ';':
+ throw new IOException("illegal character: " + (char) ch);
+ case -1:
+ sep = -1;
+ return buf.toString ();
+ default:
+ buf.append((char) ch);
+ }
+ ch = in.read ();
+ }
+ }
+ }
+
+ private void parseDer (InputStream encoded) throws IOException
+ {
+ DERReader der = new DERReader (encoded);
+ DERValue name = der.read();
+ if (!name.isConstructed())
+ throw new IOException ("malformed Name");
+ this.encoded = name.getEncoded();
+ int len = 0;
+ while (len < name.getLength())
+ {
+ DERValue rdn = der.read();
+ if (!rdn.isConstructed())
+ throw new IOException ("badly formed RDNSequence");
+ int len2 = 0;
+ while (len2 < rdn.getLength())
+ {
+ DERValue atav = der.read();
+ if (!atav.isConstructed())
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ DERValue val = der.read();
+ if (val.getTag() != DER.OBJECT_IDENTIFIER)
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ OID oid = (OID) val.getValue();
+ val = der.read();
+ if (!(val.getValue() instanceof String))
+ throw new IOException ("badly formed AttributeTypeAndValue");
+ String value = (String) val.getValue();
+ putComponent(oid, value);
+ len2 += atav.getEncodedLength();
+ }
+ len += rdn.getEncodedLength();
+ if (len < name.getLength())
+ newRelativeDistinguishedName();
+ }
+ }
+
+ private void newRelativeDistinguishedName()
+ {
+ currentRdn = new LinkedHashMap();
+ components.add(currentRdn);
+ }
+
+ private void putComponent(OID oid, String value)
+ {
+ currentRdn.put(oid, value);
+ }
+
+ private void putComponent(String name, String value)
+ {
+ name = name.trim().toLowerCase();
+ if (name.equals("cn"))
+ putComponent(CN, value);
+ else if (name.equals("c"))
+ putComponent(C, value);
+ else if (name.equals("l"))
+ putComponent(L, value);
+ else if (name.equals("street"))
+ putComponent(STREET, value);
+ else if (name.equals("st"))
+ putComponent(ST, value);
+ else if (name.equals ("o"))
+ putComponent (O, value);
+ else if (name.equals ("ou"))
+ putComponent (OU, value);
+ else if (name.equals("dc"))
+ putComponent(DC, value);
+ else if (name.equals("uid"))
+ putComponent(UID, value);
+ else
+ putComponent(new OID(name), value);
+ }
+
+ private static String compressWS(String str)
+ {
+ CPStringBuilder buf = new CPStringBuilder();
+ char lastChar = 0;
+ for (int i = 0; i < str.length(); i++)
+ {
+ char c = str.charAt(i);
+ if (Character.isWhitespace(c))
+ {
+ if (!Character.isWhitespace(lastChar))
+ buf.append(' ');
+ }
+ else
+ buf.append(c);
+ lastChar = c;
+ }
+ return buf.toString().trim();
+ }
+
+ private static byte[] toByteArray (String str)
+ {
+ int limit = str.length();
+ byte[] result = new byte[((limit + 1) / 2)];
+ int i = 0, j = 0;
+ if ((limit % 2) == 1)
+ {
+ result[j++] = (byte) Character.digit (str.charAt(i++), 16);
+ }
+ while (i < limit)
+ {
+ result[j ] = (byte) (Character.digit (str.charAt(i++), 16) << 4);
+ result[j++] |= (byte) Character.digit (str.charAt(i++), 16);
+ }
+ return result;
+ }
+}
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