| /* |
| * Copyright (c) 2009, 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.krb5.internal.util; |
| |
| import java.io.IOException; |
| import java.security.AccessController; |
| import sun.security.action.GetBooleanAction; |
| import sun.security.util.DerValue; |
| |
| /** |
| * Implements the ASN.1 KerberosString type. |
| * |
| * <pre> |
| * KerberosString ::= GeneralString (IA5String) |
| * </pre> |
| * |
| * This definition reflects the Network Working Group RFC 4120 |
| * specification available at |
| * <a href="http://www.ietf.org/rfc/rfc4120.txt"> |
| * http://www.ietf.org/rfc/rfc4120.txt</a>. |
| */ |
| public final class KerberosString { |
| /** |
| * RFC 4120 defines KerberosString as GeneralString (IA5String), which |
| * only includes ASCII characters. However, other implementations have been |
| * known to use GeneralString to contain UTF-8 encoding. To interop |
| * with these implementations, the following system property is defined. |
| * When set as true, KerberosString is encoded as UTF-8. Note that this |
| * only affects the byte encoding, the tag of the ASN.1 type is still |
| * GeneralString. |
| */ |
| public static final boolean MSNAME = AccessController.doPrivileged( |
| new GetBooleanAction("sun.security.krb5.msinterop.kstring")); |
| |
| private final String s; |
| |
| public KerberosString(String s) { |
| this.s = s; |
| } |
| |
| public KerberosString(DerValue der) throws IOException { |
| if (der.tag != DerValue.tag_GeneralString) { |
| throw new IOException( |
| "KerberosString's tag is incorrect: " + der.tag); |
| } |
| s = new String(der.getDataBytes(), MSNAME?"UTF8":"ASCII"); |
| } |
| |
| public String toString() { |
| return s; |
| } |
| |
| public DerValue toDerValue() throws IOException { |
| // No need to cache the result since this method is |
| // only called once. |
| return new DerValue(DerValue.tag_GeneralString, |
| s.getBytes(MSNAME?"UTF8":"ASCII")); |
| } |
| } |