author | weijun |
Wed, 29 Feb 2012 14:06:00 +0800 | |
changeset 13038 | e6024efff1b6 |
parent 5506 | 202f599c92aa |
child 13040 | 1f31b09f711d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.security.x509; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.Field; |
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import java.lang.reflect.InvocationTargetException; |
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import java.security.cert.CertificateException; |
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import java.util.*; |
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import sun.misc.HexDumpEncoder; |
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import sun.security.util.*; |
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/** |
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* This class defines the Extensions attribute for the Certificate. |
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* |
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* @author Amit Kapoor |
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* @author Hemma Prafullchandra |
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* @see CertAttrSet |
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*/ |
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public class CertificateExtensions implements CertAttrSet<Extension> { |
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/** |
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* Identifier for this attribute, to be used with the |
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* get, set, delete methods of Certificate, x509 type. |
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*/ |
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public static final String IDENT = "x509.info.extensions"; |
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/** |
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* name |
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*/ |
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public static final String NAME = "extensions"; |
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private static final Debug debug = Debug.getInstance("x509"); |
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private Map<String,Extension> map = Collections.synchronizedMap( |
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new TreeMap<String,Extension>()); |
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private boolean unsupportedCritExt = false; |
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private Map<String,Extension> unparseableExtensions; |
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/** |
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* Default constructor. |
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*/ |
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public CertificateExtensions() { } |
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/** |
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* Create the object, decoding the values from the passed DER stream. |
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* |
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* @param in the DerInputStream to read the Extension from. |
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* @exception IOException on decoding errors. |
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*/ |
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public CertificateExtensions(DerInputStream in) throws IOException { |
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init(in); |
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} |
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// helper routine |
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private void init(DerInputStream in) throws IOException { |
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DerValue[] exts = in.getSequence(5); |
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for (int i = 0; i < exts.length; i++) { |
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Extension ext = new Extension(exts[i]); |
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parseExtension(ext); |
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} |
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} |
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private static Class[] PARAMS = {Boolean.class, Object.class}; |
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// Parse the encoded extension |
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private void parseExtension(Extension ext) throws IOException { |
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try { |
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Class extClass = OIDMap.getClass(ext.getExtensionId()); |
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if (extClass == null) { // Unsupported extension |
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if (ext.isCritical()) { |
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unsupportedCritExt = true; |
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} |
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if (map.put(ext.getExtensionId().toString(), ext) == null) { |
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return; |
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} else { |
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throw new IOException("Duplicate extensions not allowed"); |
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} |
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} |
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Constructor cons = ((Class<?>)extClass).getConstructor(PARAMS); |
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Object[] passed = new Object[] {Boolean.valueOf(ext.isCritical()), |
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ext.getExtensionValue()}; |
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CertAttrSet certExt = (CertAttrSet)cons.newInstance(passed); |
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if (map.put(certExt.getName(), (Extension)certExt) != null) { |
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throw new IOException("Duplicate extensions not allowed"); |
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} |
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} catch (InvocationTargetException invk) { |
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Throwable e = invk.getTargetException(); |
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if (ext.isCritical() == false) { |
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// ignore errors parsing non-critical extensions |
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if (unparseableExtensions == null) { |
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unparseableExtensions = new TreeMap<String,Extension>(); |
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} |
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unparseableExtensions.put(ext.getExtensionId().toString(), |
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new UnparseableExtension(ext, e)); |
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if (debug != null) { |
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debug.println("Error parsing extension: " + ext); |
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e.printStackTrace(); |
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HexDumpEncoder h = new HexDumpEncoder(); |
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System.err.println(h.encodeBuffer(ext.getExtensionValue())); |
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} |
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return; |
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} |
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if (e instanceof IOException) { |
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throw (IOException)e; |
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} else { |
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throw (IOException)new IOException(e.toString()).initCause(e); |
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} |
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} catch (IOException e) { |
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throw e; |
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} catch (Exception e) { |
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throw (IOException)new IOException(e.toString()).initCause(e); |
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} |
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} |
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/** |
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* Encode the extensions in DER form to the stream, setting |
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* the context specific tag as needed in the X.509 v3 certificate. |
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* |
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* @param out the DerOutputStream to marshal the contents to. |
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* @exception CertificateException on encoding errors. |
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* @exception IOException on errors. |
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*/ |
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public void encode(OutputStream out) |
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throws CertificateException, IOException { |
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encode(out, false); |
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} |
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/** |
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* Encode the extensions in DER form to the stream. |
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* |
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* @param out the DerOutputStream to marshal the contents to. |
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* @param isCertReq if true then no context specific tag is added. |
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* @exception CertificateException on encoding errors. |
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* @exception IOException on errors. |
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*/ |
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public void encode(OutputStream out, boolean isCertReq) |
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throws CertificateException, IOException { |
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DerOutputStream extOut = new DerOutputStream(); |
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Collection<Extension> allExts = map.values(); |
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Object[] objs = allExts.toArray(); |
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for (int i = 0; i < objs.length; i++) { |
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if (objs[i] instanceof CertAttrSet) |
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((CertAttrSet)objs[i]).encode(extOut); |
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else if (objs[i] instanceof Extension) |
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((Extension)objs[i]).encode(extOut); |
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else |
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throw new CertificateException("Illegal extension object"); |
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} |
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DerOutputStream seq = new DerOutputStream(); |
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seq.write(DerValue.tag_Sequence, extOut); |
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DerOutputStream tmp; |
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if (!isCertReq) { // certificate |
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tmp = new DerOutputStream(); |
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tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT, true, (byte)3), |
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seq); |
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} else |
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tmp = seq; // pkcs#10 certificateRequest |
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out.write(tmp.toByteArray()); |
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} |
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/** |
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* Set the attribute value. |
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* @param name the extension name used in the cache. |
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* @param obj the object to set. |
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* @exception IOException if the object could not be cached. |
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*/ |
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public void set(String name, Object obj) throws IOException { |
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if (obj instanceof Extension) { |
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map.put(name, (Extension)obj); |
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} else { |
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throw new IOException("Unknown extension type."); |
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} |
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} |
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/** |
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* Get the attribute value. |
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* @param name the extension name used in the lookup. |
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* @exception IOException if named extension is not found. |
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*/ |
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public Object get(String name) throws IOException { |
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Object obj = map.get(name); |
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if (obj == null) { |
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throw new IOException("No extension found with name " + name); |
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} |
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return (obj); |
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} |
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// Similar to get(String), but throw no exception, might return null. |
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// Used in X509CertImpl::getExtension(OID). |
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Extension getExtension(String name) { |
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return map.get(name); |
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} |
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/** |
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* Delete the attribute value. |
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* @param name the extension name used in the lookup. |
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* @exception IOException if named extension is not found. |
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*/ |
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public void delete(String name) throws IOException { |
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Object obj = map.get(name); |
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if (obj == null) { |
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throw new IOException("No extension found with name " + name); |
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} |
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map.remove(name); |
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} |
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6f9db5f305cd
6780416: New keytool commands/options: -gencert, -printcertreq, -ext
weijun
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public String getNameByOid(ObjectIdentifier oid) throws IOException { |
6f9db5f305cd
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for (String name: map.keySet()) { |
6f9db5f305cd
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if (map.get(name).getExtensionId().equals(oid)) { |
6f9db5f305cd
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return name; |
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} |
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} |
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return null; |
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} |
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/** |
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* Return an enumeration of names of attributes existing within this |
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* attribute. |
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*/ |
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public Enumeration<Extension> getElements() { |
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return Collections.enumeration(map.values()); |
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} |
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/** |
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* Return a collection view of the extensions. |
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* @return a collection view of the extensions in this Certificate. |
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*/ |
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public Collection<Extension> getAllExtensions() { |
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return map.values(); |
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} |
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public Map<String,Extension> getUnparseableExtensions() { |
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if (unparseableExtensions == null) { |
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return Collections.emptyMap(); |
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} else { |
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return unparseableExtensions; |
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} |
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} |
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/** |
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* Return the name of this attribute. |
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*/ |
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public String getName() { |
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return NAME; |
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} |
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/** |
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* Return true if a critical extension is found that is |
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* not supported, otherwise return false. |
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*/ |
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public boolean hasUnsupportedCriticalExtension() { |
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return unsupportedCritExt; |
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} |
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/** |
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* Compares this CertificateExtensions for equality with the specified |
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* object. If the <code>other</code> object is an |
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* <code>instanceof</code> <code>CertificateExtensions</code>, then |
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* all the entries are compared with the entries from this. |
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* |
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* @param other the object to test for equality with this |
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* CertificateExtensions. |
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* @return true iff all the entries match that of the Other, |
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* false otherwise. |
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*/ |
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public boolean equals(Object other) { |
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if (this == other) |
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return true; |
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if (!(other instanceof CertificateExtensions)) |
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return false; |
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Collection<Extension> otherC = |
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((CertificateExtensions)other).getAllExtensions(); |
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Object[] objs = otherC.toArray(); |
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int len = objs.length; |
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if (len != map.size()) |
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return false; |
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Extension otherExt, thisExt; |
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String key = null; |
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for (int i = 0; i < len; i++) { |
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if (objs[i] instanceof CertAttrSet) |
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key = ((CertAttrSet)objs[i]).getName(); |
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otherExt = (Extension)objs[i]; |
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if (key == null) |
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key = otherExt.getExtensionId().toString(); |
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thisExt = map.get(key); |
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if (thisExt == null) |
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return false; |
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if (! thisExt.equals(otherExt)) |
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return false; |
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} |
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return this.getUnparseableExtensions().equals( |
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((CertificateExtensions)other).getUnparseableExtensions()); |
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} |
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/** |
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* Returns a hashcode value for this CertificateExtensions. |
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* |
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* @return the hashcode value. |
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*/ |
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public int hashCode() { |
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return map.hashCode() + getUnparseableExtensions().hashCode(); |
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} |
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/** |
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* Returns a string representation of this <tt>CertificateExtensions</tt> |
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* object in the form of a set of entries, enclosed in braces and separated |
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* by the ASCII characters "<tt>, </tt>" (comma and space). |
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* <p>Overrides to <tt>toString</tt> method of <tt>Object</tt>. |
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* |
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* @return a string representation of this CertificateExtensions. |
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*/ |
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public String toString() { |
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return map.toString(); |
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} |
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} |
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class UnparseableExtension extends Extension { |
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private String name; |
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private Throwable why; |
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public UnparseableExtension(Extension ext, Throwable why) { |
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super(ext); |
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name = ""; |
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try { |
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Class extClass = OIDMap.getClass(ext.getExtensionId()); |
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if (extClass != null) { |
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Field field = extClass.getDeclaredField("NAME"); |
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name = (String)(field.get(null)) + " "; |
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} |
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} catch (Exception e) { |
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// If we cannot find the name, just ignore it |
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} |
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this.why = why; |
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} |
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@Override public String toString() { |
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return super.toString() + |
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"Unparseable " + name + "extension due to\n" + why + "\n\n" + |
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new sun.misc.HexDumpEncoder().encodeBuffer(getExtensionValue()); |
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} |
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} |