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annotate ui/sslconnection.h @ 754:27043d74dc90

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(Issue25) Align header contents in their own column. We now also stretch column 3 so that the contents are aligned with the descriptive labels without a space in between. Sadly this causes the quit button to be resized to it's minimum instead of sharing the space with the installation button as the installation button is so large that it squeezes the push button.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 07 Jul 2014 12:38:33 +0200
parents 17e1c8f37d72
children d1c951b3012d
rev   line source
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1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU GPL (v>=2)
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5 * and comes with ABSOLUTELY NO WARRANTY!
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6 * See LICENSE.txt for details.
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7 */
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8 #ifndef SSLCONNECTION_H
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9 #define SSLCONNECTION_H
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10
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11 /**
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12 * @file sslconnection.h
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13 * @brief Qt wrapper around polarssl ssl api
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14 */
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15
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16 #include <QDebug>
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17 #include <QUrl>
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18 #include <QString>
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19 #include <QByteArray>
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20
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21 #include <polarssl/entropy.h>
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22 #include <polarssl/net.h>
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23 #include <polarssl/ssl.h>
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24 #include <polarssl/ctr_drbg.h>
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25 #include <polarssl/error.h>
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26 #include <polarssl/certs.h>
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27
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28 class SSLConnection
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29 {
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30 public:
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31 enum ErrorCode {
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32 NoError,
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33 NoConnection,
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34 SSLHandshakeFailed,
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35 InvalidCertificate,
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36 InvalidPinnedCertificate,
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37 InvalidResponse,
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38 ConnectionLost,
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39 Timeout,
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40 ErrUnknown
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41 };
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42
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43 /**
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44 * @brief Construct a pinned SSL Connection
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45 *
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46 * @param[in] url the Url to connect to
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47 * @param[in] certificate optional certificate to validate https connection
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48 */
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49 SSLConnection(const QString& url,
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50 const QByteArray& certificate = QByteArray());
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51
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52 ~SSLConnection();
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53
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54 /** @brief write */
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55 int write(const QByteArray& request);
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56
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57 /**
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58 * @brief read at most len bytes and reset the connection
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59 *
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60 * @param [in] len Amount of bytes to read.
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61 *
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62 * @returns a byte array containing the data or
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63 * a NULL byte array on error*/
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64 QByteArray read(size_t len);
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65
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66 bool initialized() { return mInitialized; }
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67 bool connected() { return mConnected; }
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68
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69 ErrorCode getLastError() { return mErrorState; }
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70
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71 /** @brief: Establish the connection
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72 *
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73 * @returns 0 on success otherwise a polarssl error or -1 is returned
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74 */
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75 int connect();
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76
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77 private:
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78 QUrl mUrl;
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79 QByteArray mPinnedCert;
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80 x509_crt mX509PinnedCert;
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81 entropy_context mEntropy;
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82 ctr_drbg_context mCtr_drbg;
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83 ssl_context mSSL;
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84 ssl_session mSavedSession;
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85 bool mInitialized;
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86 bool mConnected; /* A connection was established */
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87 bool mNeedsReset; /* The connection needs to be reset before the next
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88 write */
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89 int mServerFD;
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90 SSLConnection::ErrorCode mErrorState;
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91 /* @brief: Initialize polarssl structures
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92 *
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93 * This wraps polarssl initialization functions
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94 * that can return an error.
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95 * Sets the error state accordingly.
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96 *
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97 * @returns: 0 on success a polarssl error otherwise.
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98 */
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99 int init();
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100
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101 /* @brief Reset the connection.
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102 *
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103 * Resets the https connection and does another handshake.
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104 *
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105 * @returns: 0 on success a polarssl error or -1 otherwise. */
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106 int reset();
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107
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108 /* @brief validates that the certificate matches the pinned one.
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109 *
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110 * Checks the peer certificate of mSSL and validates that the
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111 * certificate matches mPinnedCertificate.
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112 *
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113 * @returns: 0 on success a polarssl error or -1 otherwise. */
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114 int validateCertificate();
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115
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116 /* @brief disconnects the connection */
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117 void disconnect();
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118 };
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119
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120 #endif
http://wald.intevation.org/projects/trustbridge/