author | igerasim |
Tue, 02 Oct 2018 10:19:07 -0700 | |
changeset 51986 | c1db377f6300 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
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changeset
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* Copyright (c) 1997, 2011, 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.util.Enumeration; |
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import sun.security.util.*; |
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/** |
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* This represents the Subject Alternative Name Extension. |
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* |
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* This extension, if present, allows the subject to specify multiple |
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* alternative names. |
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* |
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* <p>Extensions are represented as a sequence of the extension identifier |
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* (Object Identifier), a boolean flag stating whether the extension is to |
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* be treated as being critical and the extension value itself (this is again |
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* a DER encoding of the extension value). |
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* <p> |
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* The ASN.1 syntax for this is: |
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* <pre> |
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* SubjectAltName ::= GeneralNames |
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* GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName |
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* </pre> |
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* @author Amit Kapoor |
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* @author Hemma Prafullchandra |
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* @see Extension |
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* @see CertAttrSet |
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*/ |
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public class SubjectAlternativeNameExtension extends Extension |
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implements CertAttrSet<String> { |
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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 = |
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"x509.info.extensions.SubjectAlternativeName"; |
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/** |
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* Attribute names. |
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*/ |
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public static final String NAME = "SubjectAlternativeName"; |
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public static final String SUBJECT_NAME = "subject_name"; |
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// private data members |
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GeneralNames names = null; |
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// Encode this extension |
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private void encodeThis() throws IOException { |
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if (names == null || names.isEmpty()) { |
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this.extensionValue = null; |
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return; |
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} |
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DerOutputStream os = new DerOutputStream(); |
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names.encode(os); |
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this.extensionValue = os.toByteArray(); |
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} |
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/** |
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* Create a SubjectAlternativeNameExtension with the passed GeneralNames. |
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* The extension is marked non-critical. |
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* |
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* @param names the GeneralNames for the subject. |
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* @exception IOException on error. |
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*/ |
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public SubjectAlternativeNameExtension(GeneralNames names) |
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throws IOException { |
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this(Boolean.FALSE, names); |
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} |
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/** |
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* Create a SubjectAlternativeNameExtension with the specified |
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* criticality and GeneralNames. |
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* |
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* @param critical true if the extension is to be treated as critical. |
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* @param names the GeneralNames for the subject. |
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* @exception IOException on error. |
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*/ |
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public SubjectAlternativeNameExtension(Boolean critical, GeneralNames names) |
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throws IOException { |
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this.names = names; |
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this.extensionId = PKIXExtensions.SubjectAlternativeName_Id; |
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this.critical = critical.booleanValue(); |
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encodeThis(); |
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} |
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/** |
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* Create a default SubjectAlternativeNameExtension. The extension |
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* is marked non-critical. |
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*/ |
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public SubjectAlternativeNameExtension() { |
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extensionId = PKIXExtensions.SubjectAlternativeName_Id; |
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critical = false; |
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names = new GeneralNames(); |
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} |
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/** |
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* Create the extension from the passed DER encoded value. |
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* |
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* @param critical true if the extension is to be treated as critical. |
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* @param value an array of DER encoded bytes of the actual value. |
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* @exception ClassCastException if value is not an array of bytes |
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* @exception IOException on error. |
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*/ |
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public SubjectAlternativeNameExtension(Boolean critical, Object value) |
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throws IOException { |
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this.extensionId = PKIXExtensions.SubjectAlternativeName_Id; |
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this.critical = critical.booleanValue(); |
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this.extensionValue = (byte[]) value; |
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DerValue val = new DerValue(this.extensionValue); |
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if (val.data == null) { |
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names = new GeneralNames(); |
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return; |
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} |
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names = new GeneralNames(val); |
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} |
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/** |
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* Returns a printable representation of the SubjectAlternativeName. |
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*/ |
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public String toString() { |
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String result = super.toString() + "SubjectAlternativeName [\n"; |
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if(names == null) { |
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result += " null\n"; |
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} else { |
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for(GeneralName name: names.names()) { |
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result += " "+name+"\n"; |
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} |
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} |
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result += "]\n"; |
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return result; |
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} |
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/** |
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* Write the extension to the OutputStream. |
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* |
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* @param out the OutputStream to write the extension to. |
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* @exception IOException on encoding errors. |
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*/ |
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public void encode(OutputStream out) throws IOException { |
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DerOutputStream tmp = new DerOutputStream(); |
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if (extensionValue == null) { |
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extensionId = PKIXExtensions.SubjectAlternativeName_Id; |
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critical = false; |
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encodeThis(); |
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} |
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super.encode(tmp); |
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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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*/ |
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public void set(String name, Object obj) throws IOException { |
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if (name.equalsIgnoreCase(SUBJECT_NAME)) { |
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if (!(obj instanceof GeneralNames)) { |
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throw new IOException("Attribute value should be of " + |
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"type GeneralNames."); |
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} |
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names = (GeneralNames)obj; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:SubjectAlternativeName."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Get the attribute value. |
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*/ |
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10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
|
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public GeneralNames get(String name) throws IOException { |
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if (name.equalsIgnoreCase(SUBJECT_NAME)) { |
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return (names); |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:SubjectAlternativeName."); |
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} |
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} |
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/** |
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* Delete the attribute value. |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(SUBJECT_NAME)) { |
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names = null; |
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} else { |
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throw new IOException("Attribute name not recognized by " + |
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"CertAttrSet:SubjectAlternativeName."); |
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} |
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encodeThis(); |
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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<String> getElements() { |
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AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
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elements.addElement(SUBJECT_NAME); |
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return (elements.elements()); |
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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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} |