| /* 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.BufferedReader; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.EOFException; |
| import java.io.InputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintWriter; |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| |
| import java.security.cert.CertificateEncodingException; |
| import java.security.cert.CertificateException; |
| import java.security.cert.CertificateFactory; |
| import java.security.cert.X509Certificate; |
| |
| import java.util.LinkedList; |
| |
| import javax.net.ssl.SSLProtocolException; |
| |
| final class Certificate implements Handshake.Body |
| { |
| |
| // Fields. |
| // ------------------------------------------------------------------------- |
| |
| private final X509Certificate[] certs; |
| |
| // Constructors. |
| // ------------------------------------------------------------------------- |
| |
| Certificate(X509Certificate[] certs) |
| { |
| if (certs == null) |
| { |
| throw new NullPointerException(); |
| } |
| this.certs = certs; |
| } |
| |
| // Class methods. |
| // ------------------------------------------------------------------------- |
| |
| static Certificate read(InputStream in, CertificateType type) |
| throws IOException |
| { |
| if (type == CertificateType.X509) |
| { |
| int len = (in.read() & 0xFF) << 16 | (in.read() & 0xFF) << 8 |
| | (in.read() & 0xFF); |
| byte[] buf = new byte[len]; |
| int count = 0; |
| while (count < len) |
| { |
| int l = in.read(buf, count, len - count); |
| if (l == -1) |
| { |
| throw new EOFException("unexpected end of stream"); |
| } |
| count += l; |
| } |
| try |
| { |
| LinkedList certs = new LinkedList(); |
| CertificateFactory fact = CertificateFactory.getInstance("X.509"); |
| ByteArrayInputStream bin = new ByteArrayInputStream(buf); |
| count = 0; |
| while (count < len) |
| { |
| int len2 = (bin.read() & 0xFF) << 16 | (bin.read() & 0xFF) << 8 |
| | (bin.read() & 0xFF); |
| certs.add(fact.generateCertificate(bin)); |
| count += len2 + 3; |
| } |
| return new Certificate((X509Certificate[]) |
| certs.toArray(new X509Certificate[certs.size()])); |
| } |
| catch (CertificateException ce) |
| { |
| SSLProtocolException sslpe = new SSLProtocolException(ce.getMessage()); |
| sslpe.initCause (ce); |
| throw sslpe; |
| } |
| } |
| else if (type == CertificateType.OPEN_PGP) |
| { |
| throw new UnsupportedOperationException("not yet implemented"); |
| } |
| else |
| throw new Error("unsupported certificate type "+type); |
| } |
| |
| // Instance methods. |
| // ------------------------------------------------------------------------- |
| |
| public void write(OutputStream out) throws IOException |
| { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| try |
| { |
| for (int i = 0; i < certs.length; i++) |
| { |
| byte[] enc = certs[i].getEncoded(); |
| bout.write((enc.length >>> 16) & 0xFF); |
| bout.write((enc.length >>> 8) & 0xFF); |
| bout.write( enc.length & 0xFF); |
| bout.write(enc); |
| } |
| } |
| catch (CertificateEncodingException cee) |
| { |
| throw new Error("cannot encode certificates"); |
| } |
| catch (IOException ignored) |
| { |
| } |
| out.write(bout.size() >>> 16 & 0xFF); |
| out.write(bout.size() >>> 8 & 0xFF); |
| out.write(bout.size() & 0xFF); |
| bout.writeTo(out); |
| } |
| |
| X509Certificate[] getCertificates() |
| { |
| return certs; |
| } |
| |
| public String toString() |
| { |
| StringWriter str = new StringWriter(); |
| PrintWriter out = new PrintWriter(str); |
| out.println("struct {"); |
| out.println(" certificateList ="); |
| for (int i = 0; i < certs.length; i++) |
| { |
| BufferedReader r = |
| new BufferedReader(new StringReader(certs[i].toString())); |
| String s; |
| try |
| { |
| while ((s = r.readLine()) != null) |
| { |
| out.print(" "); |
| out.println(s); |
| } |
| } |
| catch (IOException ignored) |
| { |
| } |
| } |
| out.println("} Certificate;"); |
| return str.toString(); |
| } |
| } |