/*
* Copyright 2000-2002 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.security.provider.certpath;
import sun.security.util.Debug;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import sun.security.x509.AuthorityKeyIdentifierExtension;
import sun.security.x509.KeyIdentifier;
import sun.security.x509.SubjectKeyIdentifierExtension;
import sun.security.x509.X509CertImpl;
/*
* This class represents a vertex in the adjacency list. A
* vertex in the builder's view is just a distinguished name
* in the directory. The Vertex contains a certificate
* along an attempted certification path, along with a pointer
* to a list of certificates that followed this one in various
* attempted certification paths.
*
* @author Sean Mullan
* @since 1.4
*/
public class Vertex {
private static final Debug debug = Debug.getInstance("certpath");
private Certificate cert;
private int index;
private Throwable throwable;
/**
* Constructor; creates vertex with index of -1
* Use setIndex method to set another index.
*
* @param cert Certificate associated with vertex
*/
Vertex(Certificate cert) {
this.cert = cert;
this.index = -1;
}
/**
* return the certificate for this vertex
*
* @returns Certificate
*/
public Certificate getCertificate() {
return cert;
}
/**
* get the index for this vertex, where the index is the row of the
* adjacency list that contains certificates that could follow this
* certificate.
*
* @returns int index for this vertex, or -1 if no following certificates.
*/
public int getIndex() {
return index;
}
/**
* set the index for this vertex, where the index is the row of the
* adjacency list that contains certificates that could follow this
* certificate.
*
* @param ndx int index for vertex, or -1 if no following certificates.
*/
void setIndex(int ndx) {
index = ndx;
}
/**
* return the throwable associated with this vertex;
* returns null if none.
*
* @returns Throwable
*/
public Throwable getThrowable() {
return throwable;
}
/**
* set throwable associated with this vertex; default value is null.
*
* @param throwable Throwable associated with this vertex
* (or null)
*/
void setThrowable(Throwable throwable) {
this.throwable = throwable;
}
/**
* Return full string representation of vertex
*
* @returns String representation of vertex
*/
public String toString() {
return certToString() + throwableToString() + indexToString();
}
/**
* Return string representation of this vertex's
* certificate information.
*
* @returns String representation of certificate info
*/
public String certToString() {
String out = "";
if (cert == null || ! (cert instanceof X509Certificate))
return "Cert: Not an X509Certificate\n";
X509CertImpl x509Cert = null;
try {
x509Cert = X509CertImpl.toImpl((X509Certificate)cert);
} catch (CertificateException ce) {
if (debug != null) {
debug.println("Vertex.certToString() unexpected exception");
ce.printStackTrace();
}
return out;
}
out = "Issuer: " + x509Cert.getIssuerX500Principal() + "\n";
out = out + "Subject: " + x509Cert.getSubjectX500Principal() + "\n";
out = out + "SerialNum: " + (x509Cert.getSerialNumber()).toString(16) + "\n";
out = out + "Expires: " + x509Cert.getNotAfter().toString() + "\n";
boolean[] iUID = x509Cert.getIssuerUniqueID();
if (iUID != null) {
out = out + "IssuerUID: ";
for (int i=0; i < iUID.length; i++) {
out = out + (iUID[i]?1:0);
}
out = out + "\n";
}
boolean[] sUID = x509Cert.getSubjectUniqueID();
if (sUID != null) {
out = out + "SubjectUID: ";
for (int i=0; i< sUID.length; i++) {
out = out + (sUID[i]?1:0);
}
out = out + "\n";
}
SubjectKeyIdentifierExtension sKeyID = null;
try {
sKeyID = x509Cert.getSubjectKeyIdentifierExtension();
if (sKeyID != null) {
KeyIdentifier keyID = (KeyIdentifier)sKeyID.get(sKeyID.KEY_ID);
out = out + "SubjKeyID: " + keyID.toString();
}
} catch (Exception e) {
if (debug != null) {
debug.println("Vertex.certToString() unexpected exception");
e.printStackTrace();
}
}
AuthorityKeyIdentifierExtension aKeyID = null;
try {
aKeyID = x509Cert.getAuthorityKeyIdentifierExtension();
if (aKeyID != null) {
KeyIdentifier keyID = (KeyIdentifier)aKeyID.get(aKeyID.KEY_ID);
out = out + "AuthKeyID: " + keyID.toString();
}
} catch (Exception e) {
if (debug != null) {
debug.println("Vertex.certToString() 2 unexpected exception");
e.printStackTrace();
}
}
return out;
}
/**
* return Vertex throwable as String compatible with
* the way toString returns other information
*
* @returns String form of exception (or "none")
*/
public String throwableToString() {
String out = "Exception: ";
if (throwable != null)
out = out + throwable.toString();
else
out = out + "null";
out = out + "\n";
return out;
}
/**
* return Vertex index as String compatible with
* the way other Vertex.xToString() methods display
* information.
*
* @returns String form of index as "Last cert? [Yes/No]
*/
public String moreToString() {
String out = "Last cert? ";
out = out + ((index == -1)?"Yes":"No");
out = out + "\n";
return out;
}
/**
* return Vertex index as String compatible with
* the way other Vertex.xToString() methods displays other information.
*
* @returns String form of index as "Index: [numeric index]"
*/
public String indexToString() {
String out = "Index: " + index + "\n";
return out;
}
}