Mercurial > trustbridge
annotate ui/certificate.cpp @ 1294:f30c2b1ea0b6
(client-help) page 'arbeitsweise' updated.
author | Emanuel Schuetze <emanuel@intevation.de> |
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date | Mon, 29 Sep 2014 15:41:14 +0200 |
parents | 265583011f24 |
children | c2fd36cd4093 |
rev | line source |
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404 | 1 /* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik |
2 * Software engineering by Intevation GmbH | |
3 * | |
4 * This file is Free Software under the GNU GPL (v>=2) | |
5 * and comes with ABSOLUTELY NO WARRANTY! | |
6 * See LICENSE.txt for details. | |
7 */ | |
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8 #include "certificate.h" |
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9 #include <QDebug> |
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10 #include <QFile> |
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11 #include <QStringList> |
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12 #include <QObject> |
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13 |
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14 #include <polarssl/sha1.h> |
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15 |
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16 #include "certhelp.h" |
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17 #include "listutil.h" |
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18 |
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19 #ifdef WIN32 |
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20 #include <cryptuiapi.h> |
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21 #endif |
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22 |
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23 /* Qt wrapper around certhelp functions. */ |
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24 QString getX509Value(x509_name *namebuf, unsigned char *oid) { |
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25 QString retval; |
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26 char * buf = get_oid_valstr(namebuf, oid); |
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27 if (buf == NULL) { |
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28 return retval; |
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29 } |
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30 retval = QString::fromUtf8(buf, -1); |
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31 free(buf); |
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32 return retval; |
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33 } |
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34 |
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35 void Certificate::parseDetails(const QByteArray& cert) { |
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36 x509_crt chain; |
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37 |
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38 x509_crt_init(&chain); |
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39 if (x509_crt_parse_der(&chain, (const unsigned char *)cert.data(), |
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40 cert.size()) != 0) { |
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41 qDebug() << "Failed to parse cert.."; |
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42 return; |
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43 } |
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44 |
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45 mValidFrom = QDateTime(QDate(chain.valid_from.year, |
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46 chain.valid_from.mon, |
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47 chain.valid_from.day), |
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48 QTime(chain.valid_from.hour, |
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49 chain.valid_from.min, |
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50 chain.valid_from.sec)); |
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51 |
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52 mValidTo = QDateTime(QDate(chain.valid_to.year, |
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53 chain.valid_to.mon, |
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54 chain.valid_to.day), |
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55 QTime(chain.valid_to.hour, |
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56 chain.valid_to.min, |
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57 chain.valid_to.sec)); |
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58 |
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59 mSubjectCN = getX509Value(&(chain.subject), CERT_OID_CN); |
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60 mSubjectOU = getX509Value(&(chain.subject), CERT_OID_OU); |
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61 mSubjectO = getX509Value(&(chain.subject), CERT_OID_O); |
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62 mSubjectSN = getX509Value(&(chain.subject), CERT_OID_SN); |
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63 |
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64 /* Calculate sha1 fingerprint */ |
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65 unsigned char sha1sum[20]; |
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66 sha1(chain.raw.p, chain.raw.len, sha1sum); |
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67 for (int i=0; i < 20; i++) { |
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68 mFingerprint += QString("%1").arg(sha1sum[i], 0, 16).rightJustified(2, '0'); |
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69 if (i != 19) { |
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70 mFingerprint += ":"; |
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71 } |
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72 mFingerprint = mFingerprint.toUpper(); |
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73 } |
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74 |
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75 x509_crt_free(&chain); |
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76 |
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77 mDetails = QObject::tr("Certificate:\n" |
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78 " <bold>%1</bold>\n" |
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79 " %2, %3\n\n" |
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80 "Serial number:\n" |
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81 "%4\n" |
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82 "Valid from: <bold>%5</bold> to <bold>%6</bold>\n\n" |
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83 "Issued by: ..") |
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84 .arg(mSubjectCN) |
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85 .arg(mSubjectO) |
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86 .arg(mSubjectOU) |
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87 .arg(mSubjectSN) |
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88 .arg(QLocale::system().toString(mValidFrom)) |
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89 .arg(QLocale::system().toString(mValidTo)); |
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90 |
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91 } |
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92 |
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93 Certificate::Certificate(const QByteArray& derData) : |
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94 mValid(false), |
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95 mEditable(false) |
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96 { |
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97 if (derData.isEmpty()) { |
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98 return; |
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99 } |
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100 |
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101 parseDetails(derData); |
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102 |
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103 mValid = !mSubjectCN.isEmpty(); |
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104 |
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105 /* Default is installation for new certificates */ |
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106 mBaseLine = QString::fromLatin1("I:") + derData.toBase64(); |
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107 } |
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108 |
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109 Certificate::Certificate(const QString& b64Line) : |
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110 mValid(false), |
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111 mEditable(false) |
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112 { |
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113 if (b64Line.isEmpty()) { |
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114 return; |
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115 } |
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116 |
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117 /* Cut of the first two chars (e.g. I: and decode) */ |
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118 QByteArray derData = QByteArray::fromBase64( |
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119 b64Line.right(b64Line.size() - 2).toLatin1()); |
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120 |
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121 parseDetails(derData); |
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122 |
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123 /* If the subject CN is set then at least one x509parse |
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124 * in polarssl was successfull. And a root certificate |
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125 * always needs to have a subject CN */ |
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126 mValid = !mSubjectCN.isEmpty(); |
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127 |
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128 mBaseLine = b64Line; |
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129 } |
186
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130 |
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131 QString Certificate::shortDescription() const { |
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132 if (!isValid()) { |
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133 return QObject::tr("Failed to parse certificate"); |
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134 } |
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135 |
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136 QString ret = mSubjectCN; /* Necessary by definition */ |
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137 /* |
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138 if (!mSubjectO.isEmpty()) { |
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139 ret += " - " + mSubjectO; |
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140 } |
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141 */ |
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142 return ret; |
186
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143 } |
349
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144 |
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145 QList<Certificate> Certificate::fromFileName(const QString& file_name) { |
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146 /* We read the file using Qt to avoid filename encoding problems |
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147 * on Windows */ |
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148 |
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149 QFile certificateFile(file_name); |
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150 QByteArray fileContent; |
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151 QList<Certificate> retval; |
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152 x509_crt chain; |
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153 int ret = 0; |
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154 if (!certificateFile.open(QIODevice::ReadOnly)) { |
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155 qDebug() << "Failed to read file."; |
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156 return retval; |
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157 } |
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158 |
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159 if (certificateFile.size() > MAX_LINE_LENGTH * MAX_LINES) { |
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160 qDebug() << "File too large"; |
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161 return retval; |
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162 } |
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163 |
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164 fileContent = certificateFile.readAll(); |
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165 |
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166 x509_crt_init(&chain); |
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167 |
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168 ret = x509_crt_parse(&chain, |
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169 reinterpret_cast<const unsigned char*>(fileContent.constData()), |
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170 fileContent.size()); |
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171 |
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172 if (ret < 0) { |
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173 qDebug() << "Failed to parse certificates."; |
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174 return retval; |
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175 } |
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176 |
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177 if (ret > 0) { |
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178 qDebug() << "Some certificates could not be parsed."; |
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179 } |
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180 |
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181 x509_crt *iter = &chain; |
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182 |
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183 while (iter) { |
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184 QByteArray derData(reinterpret_cast<const char*>(iter->raw.p), |
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185 static_cast<int>(iter->raw.len)); |
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186 retval << Certificate(derData); |
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187 iter = iter->next; |
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188 } |
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189 x509_crt_free(&chain); |
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190 |
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191 return retval; |
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192 } |
355 | 193 |
352
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194 void Certificate::setInstallCert(bool install) |
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195 { |
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196 if (install && mBaseLine.startsWith("R:")) { |
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197 mBaseLine.replace(0, 1, "I"); |
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|
198 } |
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199 else if (!install && mBaseLine.startsWith("I:")) { |
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|
200 mBaseLine.replace(0, 1, "R"); |
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|
201 } |
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202 } |
1288
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203 |
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204 #ifdef WIN32 |
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205 bool Certificate::showNativeUI(void *parent) |
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206 { |
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207 /* Cut of the first two chars (e.g. I: and decode) */ |
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208 bool retval = false; |
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209 QByteArray pemData = QByteArray( |
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210 mBaseLine.right(mBaseLine.size() - 2).toLatin1()); |
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211 PCCERT_CONTEXT pCert = b64_to_cert_context (pemData.data(), pemData.size()); |
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212 typedef BOOL (CALLBACK* LPFNVIEWDLG)(DWORD,const void *,HWND,LPCWSTR,DWORD,void *); |
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213 LPFNVIEWDLG funcPtr; |
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214 |
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215 /* CryptUIDlgViewContext is not part of mingw 3.1.0 |
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216 * so we workaround this by geting the process address dynamically. */ |
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217 HMODULE hmod = LoadLibraryW(L"cryptui"); |
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218 |
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219 if (!hmod) { |
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220 qDebug() << "Failed to open Cryptui.dll"; |
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221 goto done; |
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222 } |
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223 |
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224 funcPtr = (LPFNVIEWDLG) GetProcAddress (hmod, "CryptUIDlgViewContext"); |
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225 if (!funcPtr) { |
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226 qDebug() << "Failed to find Address of CryptUIDlgViewContext"; |
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227 goto done; |
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228 } |
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229 |
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230 if (pCert == NULL) { |
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231 qDebug() << "Failed to parse certificate."; |
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232 goto done; |
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233 } |
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234 |
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235 if (!funcPtr(CERT_STORE_CERTIFICATE_CONTEXT, |
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236 pCert, |
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237 (HWND) parent, |
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238 NULL, // Default Title |
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239 0, |
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240 NULL)) { |
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241 qDebug() << "Failed to view certificate."; |
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242 retval = false; |
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243 goto done; |
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244 } |
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245 |
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246 retval = true; |
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247 done: |
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248 |
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249 if (pCert) { |
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250 CertFreeCertificateContext(pCert); |
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251 } |
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252 if (hmod) { |
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253 FreeLibrary(hmod); |
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254 } |
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255 return retval; |
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256 } |
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257 #else |
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258 bool Certificate::showNativeUI(void *parent) |
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259 { |
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260 qDebug() << "Not implemented."; |
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261 return false; |
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262 } |
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263 #endif |