| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.kerby.kerberos.kerb.type.ap; |
| |
| import org.apache.kerby.asn1.EnumType; |
| |
| /** |
| * The various APOptions values, as defined in RFC 4120. |
| * |
| * <pre> |
| * APOptions ::= KerberosFlags |
| * -- reserved(0), |
| * -- use-session-key(1), |
| * -- mutual-required(2) |
| * </pre> |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public enum ApOption implements EnumType { |
| NONE(-1), |
| RESERVED(0x80000000), // Bit 0, in ASN.1 BIT STRING definition : the most left-handed bit |
| USE_SESSION_KEY(0x40000000), // Bit 1 |
| MUTUAL_REQUIRED(0x20000000), // Bit 2 |
| // |
| // The following values are taken from the MIT Kerberos file krb5.hin : |
| // |
| // #define AP_OPTS_ETYPE_NEGOTIATION 0x00000002 |
| // #define AP_OPTS_USE_SUBKEY 0x00000001 /**< Generate a subsession key |
| // from the current session key |
| // obtained from the |
| // credentials */ |
| // |
| // ----> |
| ETYPE_NEGOTIATION(0x00000002), // bit 30 |
| USE_SUBKEY(0x00000001); // bit 31 |
| // <---- End of krb5.hin inclusion |
| |
| /** The internal value */ |
| private final int value; |
| |
| /** |
| * Create a new enum |
| */ |
| ApOption(int value) { |
| this.value = value; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public int getValue() { |
| return value; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getName() { |
| return name(); |
| } |
| |
| /** |
| * Get the APOptions associated with a value. |
| * |
| * @param value The integer value of the APOptions we are looking for |
| * @return The associated APOptions, or NONE if not found or if value is null |
| */ |
| public static ApOption fromValue(int value) { |
| for (EnumType e : values()) { |
| if (e.getValue() == value) { |
| return (ApOption) e; |
| } |
| } |
| |
| return NONE; |
| } |
| } |