| /** |
| * 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.keytab; |
| |
| import org.apache.kerby.kerberos.kerb.KrbInputStream; |
| import org.apache.kerby.kerberos.kerb.type.KerberosTime; |
| import org.apache.kerby.kerberos.kerb.type.base.NameType; |
| import org.apache.kerby.kerberos.kerb.type.base.PrincipalName; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class KeytabInputStream extends KrbInputStream { |
| public KeytabInputStream(InputStream in) { |
| super(in); |
| } |
| |
| public KerberosTime readTime() throws IOException { |
| long value = readInt(); |
| KerberosTime time = new KerberosTime(value * 1000); |
| return time; |
| } |
| |
| @Override |
| public PrincipalName readPrincipal(int version) throws IOException { |
| int numComponents = readShort(); |
| if (version == Keytab.V501) { |
| numComponents -= 1; |
| } |
| |
| String realm = readCountedString(); |
| |
| List<String> nameStrings = new ArrayList<>(); |
| for (int i = 0; i < numComponents; i++) { // sub 1 if version 0x501 |
| String component = readCountedString(); |
| nameStrings.add(component); |
| } |
| int type = readInt(); // not present if version 0x501 |
| NameType nameType = NameType.fromValue(type); |
| PrincipalName principal = new PrincipalName(nameStrings, nameType); |
| principal.setRealm(realm); |
| |
| return principal; |
| } |
| |
| @Override |
| public int readOctetsCount() throws IOException { |
| return readShort(); |
| } |
| } |