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1 package org.tn5250j.framework.transport.SSL;
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2
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3 /*
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4 * @(#)X509CertificateTrustManager.java
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5 *
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6 * Copyright: Copyright (c) 2001
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7 *
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8 * This program is free software; you can redistribute it and/or modify
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9 * it under the terms of the GNU General Public License as published by
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10 * the Free Software Foundation; either version 2, or (at your option)
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11 * any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful,
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14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 * GNU General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU General Public License
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19 * along with this software; see the file COPYING. If not, write to
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20 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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21 * Boston, MA 02111-1307 USA
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22 *
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23 */
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24 import javax.net.ssl.TrustManager;
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25 import javax.net.ssl.X509TrustManager;
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26 import java.security.cert.X509Certificate;
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27 import java.security.KeyStore;
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28 import java.security.cert.CertificateException;
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29 import java.util.ArrayList;
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30 import java.util.Arrays;
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31
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14
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32 import com.five_ten_sg.connectbot.R;
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10
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33 import com.five_ten_sg.connectbot.service.TerminalBridge;
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34 import com.five_ten_sg.connectbot.service.TerminalManager;
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35
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3
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36
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37 /**
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38 * This class is used to trust certificates exchanged during an SSL socket
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39 * handshake. It allows the user to accept the certificate so that connections
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40 * can be made without requiring the server to have a certificate signed by a
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41 * CA (Verisign, Thawte, etc.).
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10
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42 *
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43 * @author Stephen M. Kennedy <skennedy@tenthpowertech.com>
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44 * @deprecated. no longer used.
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45 *
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46 */
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47 public class X509CertificateTrustManager implements X509TrustManager {
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48
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49 KeyStore ks = null;
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50 TrustManager[] trustManagers;
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51 TerminalBridge bridge = null;
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52 TerminalManager manager = null;
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3
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53
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54 public X509CertificateTrustManager(TrustManager[] managers, KeyStore keyStore, TerminalBridge bridge, TerminalManager manager) {
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55 this.bridge = bridge;
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56 this.manager = manager;
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3
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57 trustManagers = managers;
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58 ks = keyStore;
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59 }
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60
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61 public void checkClientTrusted(X509Certificate[] chain, String type) throws CertificateException {
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62 throw new SecurityException("checkClientTrusted unsupported");
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63 }
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10
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64
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65
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66 /**
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67 * Checks the server certificate. If it isn't trusted by the trust manager
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68 * passed to the constructor, then the user will be prompted to accept the
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69 * certificate.
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70 */
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71 public void checkServerTrusted(X509Certificate[] chain, String type)
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72 throws CertificateException {
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73 try {
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74 for (int i=0; i<trustManagers.length; i++) {
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75 if (trustManagers[i] instanceof X509TrustManager)
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76 ((X509TrustManager)trustManagers[i]).checkServerTrusted(chain,type);
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77 }
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78 return;
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79 } catch (CertificateException ce) {
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80 X509Certificate cert = chain[0];
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81 String certInfo = "Version: " + cert.getVersion() + "\n";
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82 certInfo = certInfo.concat("Serial Number: " + cert.getSerialNumber()+"\n");
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83 certInfo = certInfo.concat("Signature Algorithm: " + cert.getSigAlgName()+"\n");
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84 certInfo = certInfo.concat("Issuer: " + cert.getIssuerDN().getName()+"\n");
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85 certInfo = certInfo.concat("Valid From: " + cert.getNotBefore()+"\n");
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86 certInfo = certInfo.concat("Valid To: " + cert.getNotAfter()+"\n");
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87 certInfo = certInfo.concat("Subject DN: " + cert.getSubjectDN().getName()+"\n");
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88 certInfo = certInfo.concat("Public Key: " + cert.getPublicKey().getFormat()+"\n");
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10
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89
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90 bridge.outputLine(manager.res.getString(R.string.host_certificate, certInfo));
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91 Boolean result = bridge.promptHelper.requestBooleanPrompt(null, manager.res.getString(R.string.prompt_accept_certificate));
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92 if ((result == null) || (!result.booleanValue())) {
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93 throw new java.security.cert.CertificateException("Certificate Not Accepted");
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94 }
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95 }
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96 }
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97
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98 public X509Certificate[] getAcceptedIssuers() {
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99 ArrayList<X509Certificate> list = new ArrayList<X509Certificate>(10);
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100 for (int i=0; i<trustManagers.length; i++) {
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101 if (trustManagers[i] instanceof X509TrustManager)
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102 list.addAll(Arrays.asList(((X509TrustManager)trustManagers[i]).getAcceptedIssuers()));
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103 }
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104 X509Certificate[] acceptedIssuers = new X509Certificate[list.size()];
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105 acceptedIssuers = list.toArray(acceptedIssuers);
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106 return acceptedIssuers;
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107 }
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108 } |
