/*
* 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
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*/
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");
}
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