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