| /** |
| * 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.executor; |
| |
| import org.apache.kerby.KOptions; |
| import org.apache.kerby.config.Config; |
| import org.apache.kerby.kerberos.kerb.KrbException; |
| import org.apache.kerby.kerberos.kerb.admin.Kadmin; |
| import org.apache.kerby.kerberos.kerb.admin.KadminOption; |
| import org.apache.kerby.kerberos.kerb.server.KdcConfig; |
| import org.apache.kerby.kerberos.tool.kadmin.tool.KadminTool; |
| |
| import java.io.Console; |
| import java.util.Arrays; |
| import java.util.Scanner; |
| |
| public class AddPrincipalExecutor implements KadminCommandExecutor{ |
| private static final String USAGE = "Usage: add_principal [options] principal\n" + |
| "\toptions are:\n" + |
| "\t\t[-randkey|-nokey] [-x db_princ_args]* [-expire expdate] [-pwexpire pwexpdate] [-maxlife maxtixlife]\n" + |
| "\t\t[-kvno kvno] [-policy policy] [-clearpolicy]\n" + |
| "\t\t[-pw password] [-maxrenewlife maxrenewlife]\n" + |
| "\t\t[-e keysaltlist]\n" + |
| "\t\t[{+|-}attribute]\n" + |
| "\tattributes are:\n" + |
| "\t\tallow_postdated allow_forwardable allow_tgs_req allow_renewable\n" + |
| "\t\tallow_proxiable allow_dup_skey allow_tix requires_preauth\n" + |
| "\t\trequires_hwauth needchange allow_svr password_changing_service\n" + |
| "\t\tok_as_delegate ok_to_auth_as_delegate no_auth_data_required\n" + |
| "\n" + |
| "\twhere,\n" + |
| "\t[-x db_princ_args]* - any number of database specific arguments.\n" + |
| "\t\t\tLook at each database documentation for supported arguments.\n" + |
| "\tExample:\n" + |
| "\t\tadd_principal -expire 23/04/15:01:01:01 -kvno 1 -pw mypassword test@EXAMPLE.COM"; |
| |
| private KdcConfig kdcConfig; |
| private Config backendConfig; |
| private KOptions kOptions; |
| |
| public AddPrincipalExecutor(KdcConfig kdcConfig, Config backendConfig) { |
| this.kdcConfig = kdcConfig; |
| this.backendConfig = backendConfig; |
| } |
| |
| @Override |
| public void execute(String input) { |
| String[] commands = input.split("\\s+"); |
| if (commands.length < 2) { |
| System.err.println(USAGE); |
| return; |
| } |
| |
| kOptions = KadminTool.parseOptions(commands, 1, commands.length - 2); |
| if(kOptions == null) { |
| System.err.println(USAGE); |
| return; |
| } |
| String principal = commands[commands.length - 1]; |
| String password; |
| if(kOptions.contains(KadminOption.PW)) { |
| password = kOptions.getStringOption(KadminOption.PW); |
| } else { |
| password = getPassword(principal); |
| } |
| |
| if (password == null) { |
| return; |
| } |
| |
| Kadmin kadmin = new Kadmin(kdcConfig, backendConfig); |
| |
| try { |
| kadmin.addPrincipal(principal, password, kOptions); |
| System.out.println("Principal \"" + principal + "\" created."); |
| } catch (KrbException e) { |
| System.err.println("Fail to add principal \"" + principal + "\"." + e.getMessage()); |
| } |
| } |
| |
| /** |
| * Get password for the input principal from console |
| */ |
| private String getPassword(String principal) { |
| String passwordOnce; |
| String passwordTwice; |
| |
| Console console = System.console(); |
| if (console == null) { |
| System.out.println("Couldn't get Console instance, " + |
| "maybe you're running this from within an IDE. " + |
| "Use scanner to read password."); |
| Scanner scanner = new Scanner(System.in); |
| passwordOnce = getPassword(scanner, |
| "Enter password for principal \"" + principal + "\":"); |
| passwordTwice = getPassword(scanner, |
| "Re-enter password for principal \"" + principal + "\":"); |
| |
| } else { |
| passwordOnce = getPassword(console, |
| "Enter password for principal \"" + principal + "\":"); |
| passwordTwice = getPassword(console, |
| "Re-enter password for principal \"" + principal + "\":"); |
| } |
| |
| if (!passwordOnce.equals(passwordTwice)) { |
| System.err.println("add_principal: Password mismatch while reading password for \"" + principal + "\"."); |
| return null; |
| } |
| return passwordOnce; |
| } |
| |
| private String getPassword(Scanner scanner, String prompt) { |
| System.out.println(prompt); |
| return scanner.nextLine().trim(); |
| } |
| |
| private String getPassword(Console console, String prompt) { |
| console.printf(prompt); |
| char[] passwordChars = console.readPassword(); |
| String password = new String(passwordChars).trim(); |
| Arrays.fill(passwordChars, ' '); |
| return password; |
| } |
| } |