| /* Certificate.java -- SSL certificate message. |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is a 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 of the License, 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; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, 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.javax.net.ssl.provider; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| |
| import java.security.NoSuchAlgorithmException; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| /** |
| * The certificate object. This is used by both the client and the server |
| * to send their certificates (if any) to one another. |
| * |
| * <pre>opaque ASN.1Cert<1..2^24-1>; |
| |
| struct { |
| ASN.1Cert certificate_list<0..2^24-1>; |
| } Certificate;</pre> |
| * |
| * @author Casey Marshall (csm@gnu.org) |
| */ |
| public class Certificate implements Handshake.Body |
| { |
| |
| // Fields. |
| // ------------------------------------------------------------------------- |
| |
| protected ByteBuffer buffer; |
| protected final CertificateType type; |
| |
| // Constructors. |
| // ------------------------------------------------------------------------- |
| |
| public Certificate (final ByteBuffer buffer, final CertificateType type) |
| { |
| buffer.getClass (); |
| type.getClass (); |
| this.buffer = buffer.duplicate().order(ByteOrder.BIG_ENDIAN); |
| this.type = type; |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| public int length () |
| { |
| return (((buffer.get (0) & 0xFF) << 24) |
| | buffer.getShort (1)) + 3; |
| } |
| |
| public List<java.security.cert.Certificate> certificates () |
| throws CertificateException, NoSuchAlgorithmException |
| { |
| LinkedList<java.security.cert.Certificate> list |
| = new LinkedList<java.security.cert.Certificate>(); |
| CertificateFactory factory = CertificateFactory.getInstance(type.toString()); |
| int length = (((buffer.get(0) & 0xFF) << 16) |
| | (buffer.getShort(1) & 0xFFFF)); |
| ByteBuffer b = (ByteBuffer) buffer.duplicate().position(3); |
| for (int i = 3; i < length; ) |
| { |
| int length2 = (((b.get () & 0xFF) << 16) |
| | (b.getShort () & 0xFFFF)); |
| byte[] buf = new byte[length2]; |
| b.position(i+3); |
| b.get (buf); |
| list.add(factory.generateCertificate (new ByteArrayInputStream (buf))); |
| i += length2 + 3; |
| b.position(i); |
| } |
| return list; |
| } |
| |
| public String toString () |
| { |
| return toString (null); |
| } |
| |
| public String toString (final String prefix) |
| { |
| StringWriter str = new StringWriter(); |
| PrintWriter out = new PrintWriter(str); |
| if (prefix != null) |
| out.print (prefix); |
| out.println ("struct {"); |
| try |
| { |
| List certs = certificates (); |
| if (prefix != null) |
| out.print (prefix); |
| out.print (" certificateList: ["); |
| out.print (certs.size ()); |
| out.println ("] {"); |
| for (Iterator it = certs.iterator (); it.hasNext (); ) |
| { |
| java.security.cert.Certificate cert = |
| (java.security.cert.Certificate) it.next (); |
| if (prefix != null) |
| out.print (prefix); |
| out.print (" "); |
| if (cert instanceof X509Certificate) |
| out.print (((X509Certificate) cert).getSubjectDN ()); |
| else |
| out.print (cert); |
| out.println (";"); |
| } |
| if (prefix != null) |
| out.print (prefix); |
| out.println (" };"); |
| } |
| catch (CertificateException ce) |
| { |
| if (prefix != null) |
| out.print (prefix); |
| out.print (" "); |
| out.print (ce); |
| out.println (";"); |
| } |
| catch (NoSuchAlgorithmException nsae) |
| { |
| if (prefix != null) |
| out.print (prefix); |
| out.print (" "); |
| out.print (nsae); |
| out.println (";"); |
| } |
| out.print ("} Certificate;"); |
| return str.toString(); |
| } |
| } |