/* * Copyright (c) 1997, 2006, Oracle and/or its affiliates. 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.x509; import java.io.IOException;import java.io.OutputStream;import java.lang.reflect.Constructor;import java.lang.reflect.InvocationTargetException;import java.security.cert.CRLException;import java.security.cert.CertificateException;import java.util.Collection;import java.util.Enumeration;import java.util.Hashtable; import sun.security.util.*;import sun.misc.HexDumpEncoder; /** * This class defines the CRL Extensions. * It is used for both CRL Extensions and CRL Entry Extensions, * which are defined are follows: * <pre> * TBSCertList ::= SEQUENCE { * version Version OPTIONAL, -- if present, must be v2 * signature AlgorithmIdentifier, * issuer Name, * thisUpdate Time, * nextUpdate Time OPTIONAL, * revokedCertificates SEQUENCE OF SEQUENCE { * userCertificate CertificateSerialNumber, * revocationDate Time, * crlEntryExtensions Extensions OPTIONAL -- if present, must be v2 * } OPTIONAL, * crlExtensions [0] EXPLICIT Extensions OPTIONAL -- if present, must be v2 * } * </pre> * * @author Hemma Prafullchandra */public class CRLExtensions { private Hashtable<String,Extension> map = new Hashtable<String,Extension>(); private boolean unsupportedCritExt = false; /** * Default constructor. */ public CRLExtensions() { } /** * Create the object, decoding the values from the passed DER stream. * * @param in the DerInputStream to read the Extension from, i.e. the * sequence of extensions. * @exception CRLException on decoding errors. */ public CRLExtensions(DerInputStream in) throws CRLException { init(in); } // helper routine private void init(DerInputStream derStrm) throws CRLException { try { DerInputStream str = derStrm; byte nextByte = (byte)derStrm.peekByte(); // check for context specific byte 0; skip it if (((nextByte & 0x0c0) == 0x080) && ((nextByte & 0x01f) == 0x000)) { DerValue val = str.getDerValue(); str = val.data; } DerValue[] exts = str.getSequence(5); for (int i = 0; i < exts.length; i++) { Extension ext = new Extension(exts[i]); parseExtension(ext); } } catch (IOException e) { throw new CRLException("Parsing error: " + e.toString()); } } private static final Class[] PARAMS = {Boolean.class, Object.class}; // Parse the encoded extension private void parseExtension(Extension ext) throws CRLException { try { Class extClass = OIDMap.getClass(ext.getExtensionId()); if (extClass == null) { // Unsupported extension if (ext.isCritical()) unsupportedCritExt = true; if (map.put(ext.getExtensionId().toString(), ext) != null) throw new CRLException("Duplicate extensions not allowed"); return; } Constructor cons = ((Class<?>)extClass).getConstructor(PARAMS); Object[] passed = new Object[] {Boolean.valueOf(ext.isCritical()), ext.getExtensionValue()}; CertAttrSet crlExt = (CertAttrSet)cons.newInstance(passed); if (map.put(crlExt.getName(), (Extension)crlExt) != null) { throw new CRLException("Duplicate extensions not allowed"); } } catch (InvocationTargetException invk) { throw new CRLException(invk.getTargetException().getMessage()); } catch (Exception e) { throw new CRLException(e.toString()); } } /** * Encode the extensions in DER form to the stream. * * @param out the DerOutputStream to marshal the contents to. * @param isExplicit the tag indicating whether this is an entry * extension (false) or a CRL extension (true). * @exception CRLException on encoding errors. */ public void encode(OutputStream out, boolean isExplicit) throws CRLException { try { DerOutputStream extOut = new DerOutputStream(); Collection<Extension> allExts = map.values(); Object[] objs = allExts.toArray(); for (int i = 0; i < objs.length; i++) { if (objs[i] instanceof CertAttrSet) ((CertAttrSet)objs[i]).encode(extOut); else if (objs[i] instanceof Extension) ((Extension)objs[i]).encode(extOut); else throw new CRLException("Illegal extension object"); } DerOutputStream seq = new DerOutputStream(); seq.write(DerValue.tag_Sequence, extOut); DerOutputStream tmp = new DerOutputStream(); if (isExplicit) tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)0), seq); else tmp = seq; out.write(tmp.toByteArray()); } catch (IOException e) { throw new CRLException("Encoding error: " + e.toString()); } catch (CertificateException e) { throw new CRLException("Encoding error: " + e.toString()); } } /** * Get the extension with this alias. * * @param alias the identifier string for the extension to retrieve. */ public Extension get(String alias) { X509AttributeName attr = new X509AttributeName(alias); String name; String id = attr.getPrefix(); if (id.equalsIgnoreCase(X509CertImpl.NAME)) { // fully qualified int index = alias.lastIndexOf("."); name = alias.substring(index + 1); } else name = alias; return map.get(name); } /** * Set the extension value with this alias. * * @param alias the identifier string for the extension to set. * @param obj the Object to set the extension identified by the * alias. */ public void set(String alias, Object obj) { map.put(alias, (Extension)obj); } /** * Delete the extension value with this alias. * * @param alias the identifier string for the extension to delete. */ public void delete(String alias) { map.remove(alias); } /** * Return an enumeration of the extensions. * @return an enumeration of the extensions in this CRL. */ public Enumeration<Extension> getElements() { return map.elements(); } /** * Return a collection view of the extensions. * @return a collection view of the extensions in this CRL. */ public Collection<Extension> getAllExtensions() { return map.values(); } /** * Return true if a critical extension is found that is * not supported, otherwise return false. */ public boolean hasUnsupportedCriticalExtension() { return unsupportedCritExt; } /** * Compares this CRLExtensions for equality with the specified * object. If the <code>other</code> object is an * <code>instanceof</code> <code>CRLExtensions</code>, then * all the entries are compared with the entries from this. * * @param other the object to test for equality with this CRLExtensions. * @return true iff all the entries match that of the Other, * false otherwise. */ public boolean equals(Object other) { if (this == other) return true; if (!(other instanceof CRLExtensions)) return false; Collection<Extension> otherC = ((CRLExtensions)other).getAllExtensions(); Object[] objs = otherC.toArray(); int len = objs.length; if (len != map.size()) return false; Extension otherExt, thisExt; String key = null; for (int i = 0; i < len; i++) { if (objs[i] instanceof CertAttrSet) key = ((CertAttrSet)objs[i]).getName(); otherExt = (Extension)objs[i]; if (key == null) key = otherExt.getExtensionId().toString(); thisExt = map.get(key); if (thisExt == null) return false; if (! thisExt.equals(otherExt)) return false; } return true; } /** * Returns a hashcode value for this CRLExtensions. * * @return the hashcode value. */ public int hashCode() { return map.hashCode(); } /** * Returns a string representation of this <tt>CRLExtensions</tt> object * in the form of a set of entries, enclosed in braces and separated * by the ASCII characters "<tt>, </tt>" (comma and space). * <p>Overrides to <tt>toString</tt> method of <tt>Object</tt>. * * @return a string representation of this CRLExtensions. */ public String toString() { return map.toString(); }}
/*
* Copyright (c) 1997, 2006, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.security.x509;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.security.cert.CRLException;
import java.security.cert.CertificateException;
import java.util.Collection;
import java.util.Enumeration;
import java.util.Hashtable;
import sun.security.util.*;
import sun.misc.HexDumpEncoder;
/**
* This class defines the CRL Extensions.
* It is used for both CRL Extensions and CRL Entry Extensions,
* which are defined are follows:
* <pre>
* TBSCertList ::= SEQUENCE {
* version Version OPTIONAL, -- if present, must be v2
* signature AlgorithmIdentifier,
* issuer Name,
* thisUpdate Time,
* nextUpdate Time OPTIONAL,
* revokedCertificates SEQUENCE OF SEQUENCE {
* userCertificate CertificateSerialNumber,
* revocationDate Time,
* crlEntryExtensions Extensions OPTIONAL -- if present, must be v2
* } OPTIONAL,
* crlExtensions [0] EXPLICIT Extensions OPTIONAL -- if present, must be v2
* }
* </pre>
*
* @author Hemma Prafullchandra
*/
public class CRLExtensions {
private Hashtable<String,Extension> map = new Hashtable<String,Extension>();
private boolean unsupportedCritExt = false;
/**
* Default constructor.
*/
public CRLExtensions() { }
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the Extension from, i.e. the
* sequence of extensions.
* @exception CRLException on decoding errors.
*/
public CRLExtensions(DerInputStream in) throws CRLException {
init(in);
}
// helper routine
private void init(DerInputStream derStrm) throws CRLException {
try {
DerInputStream str = derStrm;
byte nextByte = (byte)derStrm.peekByte();
// check for context specific byte 0; skip it
if (((nextByte & 0x0c0) == 0x080) &&
((nextByte & 0x01f) == 0x000)) {
DerValue val = str.getDerValue();
str = val.data;
}
DerValue[] exts = str.getSequence(5);
for (int i = 0; i < exts.length; i++) {
Extension ext = new Extension(exts[i]);
parseExtension(ext);
}
} catch (IOException e) {
throw new CRLException("Parsing error: " + e.toString());
}
}
private static final Class[] PARAMS = {Boolean.class, Object.class};
// Parse the encoded extension
private void parseExtension(Extension ext) throws CRLException {
try {
Class extClass = OIDMap.getClass(ext.getExtensionId());
if (extClass == null) { // Unsupported extension
if (ext.isCritical())
unsupportedCritExt = true;
if (map.put(ext.getExtensionId().toString(), ext) != null)
throw new CRLException("Duplicate extensions not allowed");
return;
}
Constructor cons = ((Class<?>)extClass).getConstructor(PARAMS);
Object[] passed = new Object[] {Boolean.valueOf(ext.isCritical()),
ext.getExtensionValue()};
CertAttrSet crlExt = (CertAttrSet)cons.newInstance(passed);
if (map.put(crlExt.getName(), (Extension)crlExt) != null) {
throw new CRLException("Duplicate extensions not allowed");
}
} catch (InvocationTargetException invk) {
throw new CRLException(invk.getTargetException().getMessage());
} catch (Exception e) {
throw new CRLException(e.toString());
}
}
/**
* Encode the extensions in DER form to the stream.
*
* @param out the DerOutputStream to marshal the contents to.
* @param isExplicit the tag indicating whether this is an entry
* extension (false) or a CRL extension (true).
* @exception CRLException on encoding errors.
*/
public void encode(OutputStream out, boolean isExplicit)
throws CRLException {
try {
DerOutputStream extOut = new DerOutputStream();
Collection<Extension> allExts = map.values();
Object[] objs = allExts.toArray();
for (int i = 0; i < objs.length; i++) {
if (objs[i] instanceof CertAttrSet)
((CertAttrSet)objs[i]).encode(extOut);
else if (objs[i] instanceof Extension)
((Extension)objs[i]).encode(extOut);
else
throw new CRLException("Illegal extension object");
}
DerOutputStream seq = new DerOutputStream();
seq.write(DerValue.tag_Sequence, extOut);
DerOutputStream tmp = new DerOutputStream();
if (isExplicit)
tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte)0), seq);
else
tmp = seq;
out.write(tmp.toByteArray());
} catch (IOException e) {
throw new CRLException("Encoding error: " + e.toString());
} catch (CertificateException e) {
throw new CRLException("Encoding error: " + e.toString());
}
}
/**
* Get the extension with this alias.
*
* @param alias the identifier string for the extension to retrieve.
*/
public Extension get(String alias) {
X509AttributeName attr = new X509AttributeName(alias);
String name;
String id = attr.getPrefix();
if (id.equalsIgnoreCase(X509CertImpl.NAME)) { // fully qualified
int index = alias.lastIndexOf(".");
name = alias.substring(index + 1);
} else
name = alias;
return map.get(name);
}
/**
* Set the extension value with this alias.
*
* @param alias the identifier string for the extension to set.
* @param obj the Object to set the extension identified by the
* alias.
*/
public void set(String alias, Object obj) {
map.put(alias, (Extension)obj);
}
/**
* Delete the extension value with this alias.
*
* @param alias the identifier string for the extension to delete.
*/
public void delete(String alias) {
map.remove(alias);
}
/**
* Return an enumeration of the extensions.
* @return an enumeration of the extensions in this CRL.
*/
public Enumeration<Extension> getElements() {
return map.elements();
}
/**
* Return a collection view of the extensions.
* @return a collection view of the extensions in this CRL.
*/
public Collection<Extension> getAllExtensions() {
return map.values();
}
/**
* Return true if a critical extension is found that is
* not supported, otherwise return false.
*/
public boolean hasUnsupportedCriticalExtension() {
return unsupportedCritExt;
}
/**
* Compares this CRLExtensions for equality with the specified
* object. If the <code>other</code> object is an
* <code>instanceof</code> <code>CRLExtensions</code>, then
* all the entries are compared with the entries from this.
*
* @param other the object to test for equality with this CRLExtensions.
* @return true iff all the entries match that of the Other,
* false otherwise.
*/
public boolean equals(Object other) {
if (this == other)
return true;
if (!(other instanceof CRLExtensions))
return false;
Collection<Extension> otherC =
((CRLExtensions)other).getAllExtensions();
Object[] objs = otherC.toArray();
int len = objs.length;
if (len != map.size())
return false;
Extension otherExt, thisExt;
String key = null;
for (int i = 0; i < len; i++) {
if (objs[i] instanceof CertAttrSet)
key = ((CertAttrSet)objs[i]).getName();
otherExt = (Extension)objs[i];
if (key == null)
key = otherExt.getExtensionId().toString();
thisExt = map.get(key);
if (thisExt == null)
return false;
if (! thisExt.equals(otherExt))
return false;
}
return true;
}
/**
* Returns a hashcode value for this CRLExtensions.
*
* @return the hashcode value.
*/
public int hashCode() {
return map.hashCode();
}
/**
* Returns a string representation of this <tt>CRLExtensions</tt> object
* in the form of a set of entries, enclosed in braces and separated
* by the ASCII characters "<tt>, </tt>" (comma and space).
* <p>Overrides to <tt>toString</tt> method of <tt>Object</tt>.
*
* @return a string representation of this CRLExtensions.
*/
public String toString() {
return map.toString();
}
}