mirror of git://gcc.gnu.org/git/gcc.git
				
				
				
			
		
			
				
	
	
		
			559 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Java
		
	
	
	
			
		
		
	
	
			559 lines
		
	
	
		
			17 KiB
		
	
	
	
		
			Java
		
	
	
	
| /* X500DistinguishedName.java -- X.500 distinguished name.
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|    Copyright (C) 2004, 2006  Free Software Foundation, Inc.
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| 
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| This file is part of GNU Classpath.
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| 
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| package gnu.java.security.x509;
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| 
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| import gnu.java.lang.CPStringBuilder;
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| 
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| import gnu.java.security.OID;
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| import gnu.java.security.der.DER;
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| import gnu.java.security.der.DERReader;
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| import gnu.java.security.der.DERValue;
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| 
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| import java.io.EOFException;
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| import java.io.IOException;
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| import java.io.InputStream;
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| import java.io.Reader;
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| import java.io.StringReader;
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| import java.security.Principal;
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| import java.util.ArrayList;
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| import java.util.Collections;
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| import java.util.HashSet;
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| import java.util.Iterator;
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| import java.util.LinkedHashMap;
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| import java.util.LinkedList;
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| import java.util.List;
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| import java.util.Map;
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| import java.util.Set;
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| 
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| public class X500DistinguishedName implements Principal
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| {
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|   // Constants and fields.
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|   // -------------------------------------------------------------------------
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| 
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|   public static final OID CN         = new OID("2.5.4.3");
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|   public static final OID C          = new OID("2.5.4.6");
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|   public static final OID L          = new OID("2.5.4.7");
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|   public static final OID ST         = new OID("2.5.4.8");
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|   public static final OID STREET     = new OID("2.5.4.9");
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|   public static final OID O          = new OID("2.5.4.10");
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|   public static final OID OU         = new OID("2.5.4.11");
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|   public static final OID T          = new OID("2.5.4.12");
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|   public static final OID DNQ        = new OID("2.5.4.46");
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|   public static final OID NAME       = new OID("2.5.4.41");
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|   public static final OID GIVENNAME  = new OID("2.5.4.42");
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|   public static final OID INITIALS   = new OID("2.5.4.43");
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|   public static final OID GENERATION = new OID("2.5.4.44");
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|   public static final OID EMAIL      = new OID("1.2.840.113549.1.9.1");
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|   public static final OID DC         = new OID("0.9.2342.19200300.100.1.25");
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|   public static final OID UID        = new OID("0.9.2342.19200300.100.1.1");
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| 
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|   private List components;
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|   private Map currentRdn;
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|   private boolean fixed;
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|   private String stringRep;
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|   private byte[] encoded;
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| 
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|   // Constructors.
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|   // -------------------------------------------------------------------------
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| 
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|   public X500DistinguishedName()
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|   {
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|     components = new LinkedList();
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|     currentRdn = new LinkedHashMap();
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|     components.add(currentRdn);
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|   }
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| 
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|   public X500DistinguishedName(String name)
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|   {
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|     this();
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|     try
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|       {
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|         parseString(name);
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|       }
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|     catch (IOException ioe)
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|       {
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|         throw new IllegalArgumentException(ioe.toString());
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|       }
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|   }
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| 
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|   public X500DistinguishedName(byte[] encoded) throws IOException
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|   {
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|     this();
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|     parseDer(new DERReader(encoded));
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|   }
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| 
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|   public X500DistinguishedName(InputStream encoded) throws IOException
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|   {
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|     this();
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|     parseDer(new DERReader(encoded));
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|   }
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| 
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|   // Instance methods.
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|   // -------------------------------------------------------------------------
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| 
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|   public String getName()
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|   {
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|     return toString();
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|   }
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| 
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|   public void newRelativeDistinguishedName()
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|   {
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|     if (fixed || currentRdn.isEmpty()) return;
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|     currentRdn = new LinkedHashMap();
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|     components.add(currentRdn);
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|   }
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| 
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|   public int size()
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|   {
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|     return components.size();
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|   }
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| 
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|   public int countComponents()
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|   {
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|     int count = 0;
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         count += ((Map) it.next()).size();
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|       }
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|     return count;
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|   }
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| 
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|   public boolean containsComponent(OID oid, String value)
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|   {
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map rdn = (Map) it.next();
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|         String s = (String) rdn.get(oid);
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|         if (s == null)
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|           continue;
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|         if (compressWS(value).equalsIgnoreCase(compressWS(s)))
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|           return true;
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|       }
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|     return false;
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|   }
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| 
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|   public String getComponent(OID oid)
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|   {
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map rdn = (Map) it.next();
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|         if (rdn.containsKey(oid))
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|           return (String) rdn.get(oid);
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|       }
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|     return null;
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|   }
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| 
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|   public String getComponent(OID oid, int rdn)
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|   {
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|     if (rdn >= size())
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|       return null;
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|     return (String) ((Map) components.get(rdn)).get(oid);
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|   }
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| 
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|   public void putComponent(OID oid, String value)
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|   {
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|     currentRdn.put(oid, value);
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|   }
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| 
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|   public void putComponent(String name, String value)
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|   {
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|     name = name.trim().toLowerCase();
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|     if (name.equals("cn"))
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|       putComponent(CN, value);
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|     else if (name.equals("c"))
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|       putComponent(C, value);
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|     else if (name.equals("l"))
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|       putComponent(L, value);
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|     else if (name.equals("street"))
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|       putComponent(STREET, value);
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|     else if (name.equals("st"))
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|       putComponent(ST, value);
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|     else if (name.equals("t"))
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|       putComponent(T, value);
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|     else if (name.equals("dnq"))
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|       putComponent(DNQ, value);
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|     else if (name.equals("name"))
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|       putComponent(NAME, value);
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|     else if (name.equals("givenname"))
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|       putComponent(GIVENNAME, value);
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|     else if (name.equals("initials"))
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|       putComponent(INITIALS, value);
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|     else if (name.equals("generation"))
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|       putComponent(GENERATION, value);
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|     else if (name.equals("email"))
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|       putComponent(EMAIL, value);
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|     else if (name.equals("dc"))
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|       putComponent(DC, value);
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|     else if (name.equals("uid"))
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|       putComponent(UID, value);
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|     else if (name.equals("o"))
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|       putComponent(O, value);
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|     else if (name.equals("ou"))
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|       putComponent(OU, value);
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|     else
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|       putComponent(new OID(name), value);
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|   }
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| 
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|   public void setUnmodifiable()
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|   {
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|     if (fixed) return;
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|     fixed = true;
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|     List newComps = new ArrayList(components.size());
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map rdn = (Map) it.next();
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|         rdn = Collections.unmodifiableMap(rdn);
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|         newComps.add(rdn);
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|       }
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|     components = Collections.unmodifiableList(newComps);
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|     currentRdn = Collections.EMPTY_MAP;
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|   }
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| 
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|   public int hashCode()
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|   {
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|     int sum = 0;
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map m = (Map) it.next();
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|         for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
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|           {
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|             Map.Entry e = (Map.Entry) it2.next();
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|             sum += e.getKey().hashCode();
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|             sum += e.getValue().hashCode();
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|           }
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|       }
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|     return sum;
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|   }
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| 
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|   public boolean equals(Object o)
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|   {
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|     if (!(o instanceof X500DistinguishedName))
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|       return false;
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|     if (size() != ((X500DistinguishedName) o).size())
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|       return false;
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|     for (int i = 0; i < size(); i++)
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|       {
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|         Map m = (Map) components.get(i);
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|         for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
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|           {
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|             Map.Entry e = (Map.Entry) it2.next();
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|             OID oid = (OID) e.getKey();
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|             String v1 = (String) e.getValue();
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|             String v2 = ((X500DistinguishedName) o).getComponent(oid, i);
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|             if (!compressWS(v1).equalsIgnoreCase(compressWS(v2)))
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|               return false;
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|           }
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|       }
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|     return true;
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|   }
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| 
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|   public String toString()
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|   {
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|     if (fixed && stringRep != null)
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|       return stringRep;
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|     CPStringBuilder str = new CPStringBuilder();
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map m = (Map) it.next();
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|         for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
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|           {
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|             Map.Entry entry = (Map.Entry) it2.next();
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|             OID oid = (OID) entry.getKey();
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|             String value = (String) entry.getValue();
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|             if (oid.equals(CN))
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|               str.append("CN");
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|             else if (oid.equals(C))
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|               str.append("C");
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|             else if (oid.equals(L))
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|               str.append("L");
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|             else if (oid.equals(ST))
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|               str.append("ST");
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|             else if (oid.equals(STREET))
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|               str.append("STREET");
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|             else if (oid.equals(O))
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|               str.append("O");
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|             else if (oid.equals(OU))
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|               str.append("OU");
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|             else if (oid.equals(T))
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|               str.append("T");
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|             else if (oid.equals(DNQ))
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|               str.append("DNQ");
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|             else if (oid.equals(NAME))
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|               str.append("NAME");
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|             else
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|               str.append(oid.toString());
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|             str.append('=');
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|             str.append(value);
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|             if (it2.hasNext())
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|               str.append("+");
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|           }
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|         if (it.hasNext())
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|           str.append(',');
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|       }
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|     return (stringRep = str.toString());
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|   }
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| 
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|   public byte[] getDer()
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|   {
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|     if (fixed && encoded != null)
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|       return (byte[]) encoded.clone();
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| 
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|     ArrayList name = new ArrayList(components.size());
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|     for (Iterator it = components.iterator(); it.hasNext(); )
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|       {
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|         Map m = (Map) it.next();
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|         if (m.isEmpty())
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|           continue;
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| 
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|         Set rdn = new HashSet();
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|         for (Iterator it2 = m.entrySet().iterator(); it2.hasNext(); )
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|           {
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|             Map.Entry e = (Map.Entry) it2.next();
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|             ArrayList atav = new ArrayList(2);
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|             atav.add(new DERValue(DER.OBJECT_IDENTIFIER, e.getKey()));
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|             atav.add(new DERValue(DER.UTF8_STRING, e.getValue()));
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|             rdn.add(new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, atav));
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|           }
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|         name.add(new DERValue(DER.SET|DER.CONSTRUCTED, rdn));
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|       }
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|     DERValue val = new DERValue(DER.SEQUENCE|DER.CONSTRUCTED, name);
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|     return (byte[]) (encoded = val.getEncoded()).clone();
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|   }
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| 
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|   // Own methods.
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|   // -------------------------------------------------------------------------
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| 
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|   private int sep;
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| 
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|   private void parseString(String str) throws IOException
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|   {
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|     Reader in = new StringReader(str);
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|     while (true)
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|       {
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|         String key = readAttributeType(in);
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|         if (key == null)
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|           break;
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|         String value = readAttributeValue(in);
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|         putComponent(key, value);
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|         if (sep == ',')
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|           newRelativeDistinguishedName();
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|       }
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|     setUnmodifiable();
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|   }
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| 
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|   private String readAttributeType(Reader in) throws IOException
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|   {
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|     CPStringBuilder buf = new CPStringBuilder();
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|     int ch;
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|     while ((ch = in.read()) != '=')
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|       {
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|         if (ch == -1)
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|           {
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|             if (buf.length() > 0)
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|               throw new EOFException();
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|             return null;
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|           }
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|         if (ch > 127)
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|           throw new IOException("Invalid char: " + (char) ch);
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|         if (Character.isLetterOrDigit((char) ch) || ch == '-' || ch == '.')
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|           buf.append((char) ch);
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|         else
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|           throw new IOException("Invalid char: " + (char) ch);
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|       }
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|     return buf.toString();
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|   }
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| 
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|   private String readAttributeValue(Reader in) throws IOException
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|   {
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|     CPStringBuilder buf = new CPStringBuilder();
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|     int ch = in.read();
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|     if (ch == '#')
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|       {
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|         while (true)
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|           {
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|             ch = in.read();
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|             if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
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|                 || Character.isDigit((char) ch))
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|               buf.append((char) ch);
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|             else if (ch == '+' || ch == ',')
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|               {
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|                 sep = ch;
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|                 String hex = buf.toString();
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|                 return new String(Util.toByteArray(hex));
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|               }
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|             else
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|               throw new IOException("illegal character: " + (char) ch);
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|           }
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|       }
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|     else if (ch == '"')
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|       {
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|         while (true)
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|           {
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|             ch = in.read();
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|             if (ch == '"')
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|               break;
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|             else if (ch == '\\')
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|               {
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|                 ch = in.read();
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|                 if (ch == -1)
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|                   throw new EOFException();
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|                 if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
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|                     || Character.isDigit((char) ch))
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|                   {
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|                     int i = Character.digit((char) ch, 16) << 4;
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|                     ch = in.read();
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|                     if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
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|                           || Character.isDigit((char) ch)))
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|                       throw new IOException("illegal hex char");
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|                     i |= Character.digit((char) ch, 16);
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|                     buf.append((char) i);
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|                   }
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|                 else
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|                   buf.append((char) ch);
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|               }
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|             else
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|               buf.append((char) ch);
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|           }
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|         sep = in.read();
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|         if (sep != '+' || sep != ',')
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|           throw new IOException("illegal character: " + (char) ch);
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|         return buf.toString();
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|       }
 | |
|     else
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|       {
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|         while (true)
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|           {
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|             switch (ch)
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|               {
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|               case '+':
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|               case ',':
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|                 sep = ch;
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|                 return buf.toString();
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|               case '\\':
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|                 ch = in.read();
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|                 if (ch == -1)
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|                   throw new EOFException();
 | |
|                 if (('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
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|                     || Character.isDigit((char) ch))
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|                   {
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|                     int i = Character.digit((char) ch, 16) << 4;
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|                     ch = in.read();
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|                     if (!(('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F')
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|                           || Character.isDigit((char) ch)))
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|                       throw new IOException("illegal hex char");
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|                     i |= Character.digit((char) ch, 16);
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|                     buf.append((char) i);
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|                   }
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|                 else
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|                   buf.append((char) ch);
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|                 break;
 | |
|               case '=':
 | |
|               case '<':
 | |
|               case '>':
 | |
|               case '#':
 | |
|               case ';':
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|                 throw new IOException("illegal character: " + (char) ch);
 | |
|               case -1:
 | |
|                 throw new EOFException();
 | |
|               default:
 | |
|                 buf.append((char) ch);
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|                 ch = in.read();
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|                 if (ch == -1)
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|                   return buf.toString();
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|               }
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|           }
 | |
|       }
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|   }
 | |
| 
 | |
|   private void parseDer(DERReader der) throws IOException
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|   {
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|     DERValue name = der.read();
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|     if (!name.isConstructed())
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|       throw new IOException("malformed Name");
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|     encoded = name.getEncoded();
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|     int len = 0;
 | |
|     while (len < name.getLength())
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|       {
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|         DERValue rdn = der.read();
 | |
|         if (!rdn.isConstructed())
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|           throw new IOException("badly formed RDNSequence");
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|         int len2 = 0;
 | |
|         while (len2 < rdn.getLength())
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|           {
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|             DERValue atav = der.read();
 | |
|             if (!atav.isConstructed())
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|               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();
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|             val = der.read();
 | |
|             if (!(val.getValue() instanceof String))
 | |
|               throw new IOException("badly formed AttributeTypeAndValue");
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|             String value = (String) val.getValue();
 | |
|             putComponent(oid, value);
 | |
|             len2 += atav.getEncodedLength();
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|           }
 | |
|         len += rdn.getEncodedLength();
 | |
|         if (len < name.getLength())
 | |
|           newRelativeDistinguishedName();
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|       }
 | |
|     setUnmodifiable();
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|   }
 | |
| 
 | |
|   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();
 | |
|   }
 | |
| }
 |