annotate ui/sslconnection_curl.cpp @ 998:0570b1e562c2

(issue90) Add curl patches for the problems we had with curl.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 01 Sep 2014 19:48:53 +0200
parents 6a3d284b9c16
children daa9448b64f5
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
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9 #include "sslconnection_curl.h"
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10 #include <QSaveFile>
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11
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12 #define CONNECTION_DEBUG
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13
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14 SSLConnectionCurl::SSLConnectionCurl(const QString& url,
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15 const QByteArray& certificate):
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16 SSLConnection (url, certificate),
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17 mCurl (NULL)
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18 {
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19 curl_global_init(CURL_GLOBAL_DEFAULT);
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20 mCurl = curl_easy_init();
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21
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22 if (!mCurl) {
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23 qDebug() << "Failed to initialize curl";
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24 return;
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25 }
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26
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27 if (curl_easy_setopt(mCurl, CURLOPT_SSL_VERIFYPEER, 1L) != CURLE_OK) {
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28 /* Should be default anyway */
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29 qDebug() << "Setting verifypeer failed";
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30 return;
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31 }
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32
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33 if (curl_easy_setopt(mCurl, CURLOPT_ERRORBUFFER, mErrBuf) != CURLE_OK) {
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34 qDebug() << "Setting errorbuf failed";
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35 return;
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36 }
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37
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38 mCertFile.open();
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39 if (mCertFile.write(mPinnedCert) != mPinnedCert.size()) {
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40 qDebug() << "Failed to write temporary certificate";
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41 return;
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42 }
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43 mCertFile.close();
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44
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45 if (curl_easy_setopt(mCurl, CURLOPT_CAINFO,
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46 mCertFile.fileName().toUtf8().constData()) != CURLE_OK) {
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47 qDebug() << "Failed to write temporary certificate";
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48 return;
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49 }
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50
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51 mInitialized = true;
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52
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53 #ifdef CONNECTION_DEBUG
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54 curl_easy_setopt(mCurl, CURLOPT_VERBOSE, 1L);
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55 #endif
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56 }
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57
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58 SSLConnectionCurl::~SSLConnectionCurl() {
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59 if (mCurl) {
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60 curl_easy_cleanup (mCurl);
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61 }
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62 if (mInitialized) {
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63 mCertFile.close();
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64 }
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65 curl_global_cleanup();
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66 }
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67
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68 int SSLConnectionCurl::connect() {
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69 CURLcode retval;
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70
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71 if (curl_easy_setopt(mCurl, CURLOPT_URL, mUrl.toEncoded().constData()) != CURLE_OK) {
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72 qDebug() << "Failed to set URL";
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73 return -1;
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74 }
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75
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76 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 1L) != CURLE_OK) {
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77 qDebug() << "Failed to set connect only option";
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78 return -1;
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79 }
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80 retval = curl_easy_perform(mCurl);
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81 if (retval != CURLE_OK) {
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82 qDebug() << "Failed to connect: " << mErrBuf << " retval: " << retval;
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83 if (retval == CURLE_PEER_FAILED_VERIFICATION) {
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84 mErrorState = InvalidCertificate;
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85 return -1;
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86 }
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87
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88 mErrorState = NoConnection;
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89 return -1;
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90 }
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91 mConnected = true;
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92 return 0;
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93 }
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94
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95 /* Globally do this as we can't pass "this" (the ptr) to the c function */
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96 size_t ssl_curl_max_write, ssl_curl_written;
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97
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98 size_t write_data(void *ptr, size_t size, size_t nmemb,
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99 QSaveFile *fp)
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100 {
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101 qDebug() << "Writing size: " << size << " * " << nmemb;
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102 if (ssl_curl_max_write < ssl_curl_written) {
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103 qDebug() << "Aborting write. Too much data.";
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104 return 0;
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105 }
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106 size_t written = fp->write((const char *)ptr, size * nmemb);
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107 if (written != size * nmemb) {
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108 qDebug() << "Failed to write data. Written: " << written
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109 << " requested: " << size * nmemb;
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110 return 0;
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111 }
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112 ssl_curl_written += written;
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113 return written;
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114 }
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115
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116 bool SSLConnectionCurl::downloadFile(const QString &resource,
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117 const QString &fileName,
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118 size_t maxSize)
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119 {
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120 ssl_curl_written = 0;
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121 ssl_curl_max_write = maxSize;
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122 QSaveFile outputFile(fileName);
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123 // Open / Create the file to write to.
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124 if (!outputFile.open(QIODevice::WriteOnly)) {
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125 qDebug() << "Failed to open file";
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126 return false;
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127 }
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128 QUrl urlCopy = mUrl;
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129 urlCopy.setPath(resource);
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130
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131 if (curl_easy_setopt(mCurl, CURLOPT_URL, urlCopy.toEncoded().constData()) != CURLE_OK) {
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132 qDebug() << "Failed to set URL";
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133 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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134 }
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
135
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
136 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
137 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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parents: 908
diff changeset
138 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
139 }
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
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140
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
141 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
142 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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parents: 908
diff changeset
143 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
144 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
145
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
146 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
147 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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parents: 908
diff changeset
148 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
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149 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
150
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
151 if (curl_easy_setopt(mCurl, CURLOPT_WRITEFUNCTION, write_data) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
152 qDebug() << "Failed to set write function";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
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parents: 908
diff changeset
153 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
154 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
155
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
156 if (curl_easy_setopt(mCurl, CURLOPT_WRITEDATA, &outputFile) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
157 qDebug() << "Failed to set write function";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
158 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
159 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
160
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
161 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
162 qDebug() << "Failed to perform download.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
163 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
164 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
165
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
166 if (!outputFile.commit()) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
167 qDebug() << "Failed to commit data to filesystem.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
168 return false;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
169 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
170
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
171 return true;
908
d1c951b3012d Curl based implementation of sslconnection
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
172 }
910
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
173
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
174 QDateTime SSLConnectionCurl::getLastModifiedHeader(const QString &resource) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
175 QUrl urlCopy = mUrl;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
176 urlCopy.setPath(resource);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
177
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
178 if (curl_easy_setopt(mCurl, CURLOPT_URL, urlCopy.toEncoded().constData()) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
179 qDebug() << "Failed to set URL";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
180 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
181 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
182
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
183 if (curl_easy_setopt(mCurl, CURLOPT_CONNECT_ONLY, 0L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
184 qDebug() << "Failed to set connect";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
185 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
186 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
187
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
188 if (curl_easy_setopt(mCurl, CURLOPT_HEADER, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
189 qDebug() << "Failed to set header";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
190 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
191 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
192
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
193 if (curl_easy_setopt(mCurl, CURLOPT_NOBODY, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
194 qDebug() << "Failed to set no body";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
195 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
196 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
197
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
198 if (curl_easy_setopt(mCurl, CURLOPT_FILETIME, 1L) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
199 qDebug() << "Failed to set filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
200 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
201 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
202
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
203 if (curl_easy_perform (mCurl) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
204 qDebug() << "Failed to perform last modified check.";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
205 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
206 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
207 long filetime = 0;
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
208
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
209 if (curl_easy_getinfo (mCurl, CURLINFO_FILETIME, &filetime) != CURLE_OK) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
210 qDebug() << "Failed to get filetime";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
211 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
212 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
213
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
214 if (filetime == -1) {
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
215 qDebug() << "Invalid Time";
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
216 return QDateTime();
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
217 }
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
218 return QDateTime::fromTime_t(filetime);
eaed02defe6a More SSLConnection refactoring. Fixes curl downloader.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 908
diff changeset
219 }
956
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
220
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
221 void SSLConnectionCurl::setProxy(const QUrl& proxyUrl) {
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
222 if (curl_easy_setopt(mCurl, CURLOPT_PROXY, proxyUrl.toEncoded().constData()) != CURLE_OK) {
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
223 qDebug() << "Failed to set proxy";
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
224 return;
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
225 }
879a634d0a40 (issue41) Add proxy support
Andre Heinecke <andre.heinecke@intevation.de>
parents: 942
diff changeset
226 }
991
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
227
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
228 void SSLConnectionCurl::setCiphersuites(int ciphers[]) {
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
229 qDebug() << "Set ciphersuites not supported.";
6a3d284b9c16 Delegate certificate loading to base class. Minor cleanups.
Andre Heinecke <andre.heinecke@intevation.de>
parents: 956
diff changeset
230 }

http://wald.intevation.org/projects/trustbridge/