| /* |
| * Copyright (c) 1997, 2004, 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 sun.security.util.*; |
| |
| /** |
| * This class implements the ASN.1 GeneralName object class. |
| * <p> |
| * The ASN.1 syntax for this is: |
| * <pre> |
| * GeneralName ::= CHOICE { |
| * otherName [0] OtherName, |
| * rfc822Name [1] IA5String, |
| * dNSName [2] IA5String, |
| * x400Address [3] ORAddress, |
| * directoryName [4] Name, |
| * ediPartyName [5] EDIPartyName, |
| * uniformResourceIdentifier [6] IA5String, |
| * iPAddress [7] OCTET STRING, |
| * registeredID [8] OBJECT IDENTIFIER |
| * } |
| * </pre> |
| * @author Amit Kapoor |
| * @author Hemma Prafullchandra |
| */ |
| public class GeneralName { |
| |
| // Private data members |
| private GeneralNameInterface name = null; |
| |
| /** |
| * Default constructor for the class. |
| * |
| * @param name the selected CHOICE from the list. |
| * @throws NullPointerException if name is null |
| */ |
| public GeneralName(GeneralNameInterface name) { |
| if (name == null) { |
| throw new NullPointerException("GeneralName must not be null"); |
| } |
| this.name = name; |
| } |
| |
| /** |
| * Create the object from its DER encoded value. |
| * |
| * @param encName the DER encoded GeneralName. |
| */ |
| public GeneralName(DerValue encName) throws IOException { |
| this(encName, false); |
| } |
| |
| /** |
| * Create the object from its DER encoded value. |
| * |
| * @param encName the DER encoded GeneralName. |
| * @param nameConstraint true if general name is a name constraint |
| */ |
| public GeneralName(DerValue encName, boolean nameConstraint) |
| throws IOException { |
| short tag = (byte)(encName.tag & 0x1f); |
| |
| // All names except for NAME_DIRECTORY should be encoded with the |
| // IMPLICIT tag. |
| switch (tag) { |
| case GeneralNameInterface.NAME_ANY: |
| if (encName.isContextSpecific() && encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_Sequence); |
| name = new OtherName(encName); |
| } else { |
| throw new IOException("Invalid encoding of Other-Name"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_RFC822: |
| if (encName.isContextSpecific() && !encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_IA5String); |
| name = new RFC822Name(encName); |
| } else { |
| throw new IOException("Invalid encoding of RFC822 name"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_DNS: |
| if (encName.isContextSpecific() && !encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_IA5String); |
| name = new DNSName(encName); |
| } else { |
| throw new IOException("Invalid encoding of DNS name"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_URI: |
| if (encName.isContextSpecific() && !encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_IA5String); |
| name = (nameConstraint ? URIName.nameConstraint(encName) : |
| new URIName(encName)); |
| } else { |
| throw new IOException("Invalid encoding of URI"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_IP: |
| if (encName.isContextSpecific() && !encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_OctetString); |
| name = new IPAddressName(encName); |
| } else { |
| throw new IOException("Invalid encoding of IP address"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_OID: |
| if (encName.isContextSpecific() && !encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_ObjectId); |
| name = new OIDName(encName); |
| } else { |
| throw new IOException("Invalid encoding of OID name"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_DIRECTORY: |
| if (encName.isContextSpecific() && encName.isConstructed()) { |
| name = new X500Name(encName.getData()); |
| } else { |
| throw new IOException("Invalid encoding of Directory name"); |
| } |
| break; |
| |
| case GeneralNameInterface.NAME_EDI: |
| if (encName.isContextSpecific() && encName.isConstructed()) { |
| encName.resetTag(DerValue.tag_Sequence); |
| name = new EDIPartyName(encName); |
| } else { |
| throw new IOException("Invalid encoding of EDI name"); |
| } |
| break; |
| |
| default: |
| throw new IOException("Unrecognized GeneralName tag, (" |
| + tag +")"); |
| } |
| } |
| |
| /** |
| * Return the type of the general name. |
| */ |
| public int getType() { |
| return name.getType(); |
| } |
| |
| /** |
| * Return the GeneralNameInterface name. |
| */ |
| public GeneralNameInterface getName() { |
| //XXXX May want to consider cloning this |
| return name; |
| } |
| |
| /** |
| * Return the name as user readable string |
| */ |
| public String toString() { |
| return name.toString(); |
| } |
| |
| /** |
| * Compare this GeneralName with another |
| * |
| * @param other GeneralName to compare to this |
| * @returns true if match |
| */ |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| if (!(other instanceof GeneralName)) |
| return false; |
| GeneralNameInterface otherGNI = ((GeneralName)other).name; |
| try { |
| return name.constrains(otherGNI) == GeneralNameInterface.NAME_MATCH; |
| } catch (UnsupportedOperationException ioe) { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns the hash code for this GeneralName. |
| * |
| * @return a hash code value. |
| */ |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| /** |
| * Encode the name to the specified DerOutputStream. |
| * |
| * @param out the DerOutputStream to encode the the GeneralName to. |
| * @exception IOException on encoding errors. |
| */ |
| public void encode(DerOutputStream out) throws IOException { |
| DerOutputStream tmp = new DerOutputStream(); |
| name.encode(tmp); |
| int nameType = name.getType(); |
| if (nameType == GeneralNameInterface.NAME_ANY || |
| nameType == GeneralNameInterface.NAME_X400 || |
| nameType == GeneralNameInterface.NAME_EDI) { |
| |
| // implicit, constructed form |
| out.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, |
| true, (byte)nameType), tmp); |
| } else if (nameType == GeneralNameInterface.NAME_DIRECTORY) { |
| // explicit, constructed form since underlying tag is CHOICE |
| // (see X.680 section 30.6, part c) |
| out.write(DerValue.createTag(DerValue.TAG_CONTEXT, |
| true, (byte)nameType), tmp); |
| } else { |
| // implicit, primitive form |
| out.writeImplicit(DerValue.createTag(DerValue.TAG_CONTEXT, |
| false, (byte)nameType), tmp); |
| } |
| } |
| } |
