| /** |
| * 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.tool.kadmin.command; |
| |
| import org.apache.kerby.KOptions; |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.admin.LocalKadmin; |
| import org.apache.kerby.kerberos.kerb.admin.KadminOption; |
| import org.apache.kerby.kerberos.tool.kadmin.ToolUtil; |
| |
| import java.io.File; |
| |
| public class KeytabRemoveCommand extends KadminCommand { |
| private static final String USAGE = |
| "Usage: ktremove [-k[eytab] keytab] [-q] principal [kvno | all | old]"; |
| |
| private static final String DEFAULT_KEYTAB_FILE = "/etc/krb5.keytab"; |
| |
| public KeytabRemoveCommand(LocalKadmin kadmin) { |
| super(kadmin); |
| } |
| |
| @Override |
| public void execute(String input) { |
| String[] commands = input.split("\\s+"); |
| if (commands.length < 2 || commands.length > 6) { |
| System.err.println(USAGE); |
| return; |
| } |
| |
| String principal; |
| String keytabFileLocation; |
| String removeOption = null; |
| int lastIndex; |
| |
| if (commands[commands.length - 1].matches("^all|old|-?\\d+$")) { |
| if (commands.length < 3) { |
| System.err.println(USAGE); |
| return; |
| } |
| lastIndex = commands.length - 3; |
| principal = commands[commands.length - 2]; |
| removeOption = commands[commands.length - 1]; |
| } else { |
| lastIndex = commands.length - 2; |
| principal = commands[commands.length - 1]; |
| } |
| KOptions kOptions = ToolUtil.parseOptions(commands, 1, lastIndex); |
| |
| if (principal == null || kOptions == null |
| || kOptions.contains(KadminOption.K) && kOptions.contains(KadminOption.KEYTAB)) { |
| System.err.println(USAGE); |
| return; |
| } |
| |
| keytabFileLocation = kOptions.contains(KadminOption.K) |
| ? kOptions.getStringOption(KadminOption.K) |
| : kOptions.getStringOption(KadminOption.KEYTAB); |
| |
| if (keytabFileLocation == null) { |
| keytabFileLocation = DEFAULT_KEYTAB_FILE; |
| } |
| File keytabFile = new File(keytabFileLocation); |
| |
| try { |
| if (removeOption.equals("all")) { |
| getKadmin().removeKeytabEntriesOf(keytabFile, principal); |
| } else if (removeOption.equals("old")) { |
| getKadmin().removeOldKeytabEntriesOf(keytabFile, principal); |
| } else { |
| int kvno = Integer.parseInt(removeOption); |
| getKadmin().removeKeytabEntriesOf(keytabFile, principal, kvno); |
| } |
| System.out.println("Done!"); |
| } catch (KrbException e) { |
| System.err.println("Principal \"" + principal + "\" fail to remove entry from keytab." |
| + e.getMessage()); |
| } |
| } |
| } |