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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.extensions;
import java.io.ByteArrayOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Vector;
import netscape.security.util.BigInt;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
import netscape.security.util.ObjectIdentifier;
/**
* This represents a KerberosName as defined in
* RFC 1510.
*
* KerberosName ::= SEQUENCE {
* realm [0] Realm,
* principalName [1] CertPrincipalName -- defined above
* }
*
* CertPrincipalName ::= SEQUENCE {
* name-type[0] INTEGER,
* name-string[1] SEQUENCE OF UTF8String
* }
*
* @author thomask
* @version $Revision$, $Date$
*/
public class KerberosName {
public static final int OID[] = { 1, 3, 6, 1, 5, 2, 2 };
public static final ObjectIdentifier KRB5_PRINCIPAL_NAME = new
ObjectIdentifier(OID);
private String m_realm = null;
private int m_name_type = 0;
private Vector m_name_strings = null;
public KerberosName(String realm, int name_type, Vector name_strings) {
m_realm = realm;
m_name_type = name_type;
m_name_strings = name_strings;
}
/**
* Write the extension to the DerOutputStream.
*
* @param out the DerOutputStream to write the extension to.
* @exception IOException on encoding errors.
*/
public void encode(OutputStream out) throws IOException {
DerOutputStream seq = new DerOutputStream();
DerOutputStream tmp = new DerOutputStream();
DerOutputStream realm = new DerOutputStream();
realm.putGeneralString(m_realm);
tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte)0), realm);
DerOutputStream seq1 = new DerOutputStream();
DerOutputStream tmp1 = new DerOutputStream();
DerOutputStream name_type = new DerOutputStream();
name_type.putInteger(new BigInt(m_name_type));
tmp1.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte)0), name_type);
DerOutputStream name_strings = new DerOutputStream();
DerOutputStream name_string = new DerOutputStream();
for (int i = 0; i < m_name_strings.size(); i++) {
name_string.putGeneralString((String)m_name_strings.elementAt(i));
}
name_strings.write(DerValue.tag_SequenceOf, name_string);
tmp1.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte)1), name_strings);
seq1.write(DerValue.tag_Sequence, tmp1);
tmp.write(DerValue.createTag(DerValue.TAG_CONTEXT,
true, (byte)1), seq1);
seq.write(DerValue.tag_Sequence, tmp);
out.write(seq.toByteArray());
}
public byte[] toByteArray() throws IOException {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
encode(bos);
return bos.toByteArray();
}
public String toString() {
String strings = null;
for (int i = 0; i < m_name_strings.size(); i++) {
if (strings == null) {
strings = (String)m_name_strings.elementAt(i);
} else {
strings += ",";
strings += (String)m_name_strings.elementAt(i);
}
}
return "Realm: " + m_realm + " Name Type: " + m_name_type + " Name String(s):" + strings;
}
public static void main(String[] argv) {
Vector strings = new Vector();
strings.addElement("name");
KerberosName k = new KerberosName("realm", 0, strings);
System.out.println(k.toString());
try {
FileOutputStream os = new FileOutputStream("/tmp/out.der");
k.encode(os);
os.close();
} catch (Exception e) {
System.out.println(e.toString());
}
}
}
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