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annotate ui/sslconnection_bare.h @ 1294:f30c2b1ea0b6

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(client-help) page 'arbeitsweise' updated.
author Emanuel Schuetze <emanuel@intevation.de>
date Mon, 29 Sep 2014 15:41:14 +0200
parents 2a1aa9df8f11
children 82fab0c689bf
rev   line source
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1 #ifndef UI_SSLCONNECTION_BARE_H
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2 #define UI_SSLCONNECTION_BARE_H
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3 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
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4 * Software engineering by Intevation GmbH
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5 *
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6 * This file is Free Software under the GNU GPL (v>=2)
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7 * and comes with ABSOLUTELY NO WARRANTY!
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8 * See LICENSE.txt for details.
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9 */
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10
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11 #include "sslconnection.h"
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12
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13 #include <polarssl/entropy.h>
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14 #include <polarssl/net.h>
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15 #include <polarssl/ssl.h>
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16 #include <polarssl/ctr_drbg.h>
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17 #include <polarssl/error.h>
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18 #include <polarssl/certs.h>
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19
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20 #include <QDateTime>
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21
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22 /**
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23 * @file sslconnection_bare.h
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24 * @brief SSLConnection doing bare SSL over PolarSSL
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25 */
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26 /** @brief SSLConnection implementation doing bare SSL over PolarSSL
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27 *
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28 * This class needs no additional libraries and parses the server responses
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29 * directly using QT.
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30 */
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31 class SSLConnectionBare : public SSLConnection
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32 {
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33 public:
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34 SSLConnectionBare(const QString& url,
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35 const QByteArray& certificate = QByteArray());
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36
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37 ~SSLConnectionBare();
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38
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39 int connect();
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40
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41 QDateTime getLastModifiedHeader(const QString &resource);
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42
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43 bool downloadFile(const QString &resource, const QString &filename,
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44 size_t maxSize);
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45
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46 void setCiphersuites(int ciphers[]);
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47
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48 private:
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49 x509_crt mX509PinnedCert;
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50 entropy_context mEntropy;
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51 ctr_drbg_context mCtr_drbg;
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52 ssl_context mSSL;
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53 ssl_session mSavedSession;
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54
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55 /* @brief: Initialize polarssl structures
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56 *
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57 * This wraps polarssl initialization functions
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58 * that can return an error.
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59 * Sets the error state accordingly.
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60 *
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61 * @returns: 0 on success a polarssl error otherwise.
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62 */
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63 int init();
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64
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65 /* @brief Reset the connection.
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66 *
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67 * Resets the https connection and does another handshake.
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68 *
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69 * @returns: 0 on success a polarssl error or -1 otherwise. */
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70 int reset();
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71
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72 /* @brief validates that the certificate matches the pinned one.
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73 *
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74 * Checks the peer certificate of mSSL and validates that the
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75 * certificate matches mPinnedCertificate.
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76 *
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77 * @returns: 0 on success a polarssl error or -1 otherwise. */
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78 int validateCertificate();
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79
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80 /* @brief disconnects the connection */
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81 void disconnect();
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82
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83 /**
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84 * @brief parses the Headers of a repsonse.
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85 *
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86 * This removes the headers from the byte array passed as
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87 * parameter.
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88 *
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89 * @param[inout] data: The response to parse.
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90 *
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91 * @returns: A map of the header fields. Or an empty map on error.
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92 */
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93 QMap<QString, QString> parseHeaders(QByteArray *data);
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94
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95 /** @brief write */
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96 int write(const QByteArray& request);
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97
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98 /**
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99 * @brief read at most len bytes and reset the connection
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100 *
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101 * @param [in] len Amount of bytes to read.
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102 *
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103 * @returns a byte array containing the data or
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104 * a NULL byte array on error*/
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105 QByteArray read(size_t len);
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106
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107 };
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108
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109 #endif // UI_SSLCONNECTION_BARE_H
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