Mercurial > trustbridge

annotate ui/installwrapper.cpp @ 387:32309299bec9

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Always return after error
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 15 Apr 2014 19:03:06 +0200
parents 72487438a180
children a507e5f1b999
rev   line source
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1 #include "installwrapper.h"
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2
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3 #include <QFileInfo>
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4 #include <QProcess>
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5 #include <QTemporaryFile>
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6 #include <QApplication>
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7 #include <QDir>
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8 #include <QDebug>
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9
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10 #include "logging.h"
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11
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12 #define INSTALL_TIMEOUT 3600000 /* Wait up to an hour */
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13
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14 InstallWrapper::InstallWrapper(QObject* parent,
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15 const QString& path, const QStringList& choices):
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16 QThread(parent),
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17 mCertListFile(path),
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18 mChoices(choices)
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19 {
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20 }
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21
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22 QFileInfo getCinstProcInfo() {
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23 QFileInfo fi(QCoreApplication::applicationFilePath());
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24 QDir myDir = fi.absoluteDir();
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25 QString instProcName = "cinst";
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26 if (!fi.suffix().isEmpty()) {
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27 instProcName += "." + fi.suffix();
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28 }
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29 return QFileInfo(myDir.absoluteFilePath(instProcName));
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30 }
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31
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32 bool InstallWrapper::writeChoices(QTemporaryFile* choicesFile) const
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33 {
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34 if (!choicesFile->open()) {
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35 return false;
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36 }
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37
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38 foreach (const QString &b64data, mChoices) {
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39 if (!choicesFile->write(b64data.toLatin1())) {
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40 return false;
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41 }
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42 if (!choicesFile->write("\n")) {
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43 return false;
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44 }
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45 }
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46
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47 choicesFile->close();
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48
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49 return true;
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50 }
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51
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52 void InstallWrapper::run()
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53 {
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54 /* TODO: We need errorcodes here so that we can see if a user
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55 * cancled the UAC elevation */
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56 QTemporaryFile choicesFile;
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57 QFileInfo cinstProcInfo = getCinstProcInfo();
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58
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59 QString cinstFileName = QDir::toNativeSeparators(
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60 getCinstProcInfo().absoluteFilePath());
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61
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62 if (!cinstProcInfo.isExecutable()) {
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63 emit error(tr("Could not find certificate installation process."));
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64 return;
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65 }
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66
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67 if (!writeChoices(&choicesFile)) {
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68 emit error(tr("Failed to write temporary file."));
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69 return;
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70 }
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71
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72 #ifdef WIN32
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73 /* QProcess on Windows uses CreateProcess but we have to
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74 * use the runas shell command to get the UAC prompt if necessary.
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75 * So we have to handle the process ourself. Starting with
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76 * shell execute also means that we can not have stdout and stderr
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77 * redirection. This is the reason we use command line parameters
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78 * and not a pipe for communication. In debug mode the installer
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79 * also makes use of output debug string. */
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80 DWORD retval = 0;
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81 SHELLEXECUTEINFOW shExecInfo;
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82
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83 memset (&shExecInfo, 0, sizeof(SHELLEXECUTEINFOW));
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84
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85 /* Windows needs each parameter packed in " */
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86 QString parameters = "\"list=" + mCertListFile +
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87 "\" \"choices=" + choicesFile.fileName() + "\"";
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88
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89 shExecInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
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90 shExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
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91 shExecInfo.lpVerb = L"runas";
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92 shExecInfo.lpFile = reinterpret_cast<LPCWSTR> (cinstFileName.utf16());
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93 shExecInfo.lpParameters = reinterpret_cast<LPCWSTR> (parameters.utf16());
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94
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95 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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96
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97 if (!ShellExecuteExW(&shExecInfo)) {
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98 char* errmsg = getLastErrorMsg();
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99 QString qerrmsg = QString::fromUtf8(errmsg);
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100 free(errmsg);
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101 emit error(tr("Error executing process: %1").arg(qerrmsg));
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102 return;
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103 }
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104
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105 retval = WaitForSingleObject(shExecInfo.hProcess, INSTALL_TIMEOUT);
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106
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107 if (retval != WAIT_OBJECT_0) {
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108 if (retval == WAIT_FAILED) {
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109 char* errmsg = getLastErrorMsg();
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110 QString qerrmsg = QString::fromUtf8(errmsg);
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111 free(errmsg);
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112 emit error (tr("Error monitoring process: %1").arg(qerrmsg));
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113 return;
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114 } else {
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115 emit error (tr("Certificate installation timed out."));
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116 return;
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117 }
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118 }
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119
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120 if (GetExitCodeProcess(shExecInfo.hProcess, &retval)) {
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121 if (retval == STILL_ACTIVE) {
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122 qDebug() << "Process still running, huh..";
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123 }
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124 } else {
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125 char* errmsg = getLastErrorMsg();
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126 QString qerrmsg = QString::fromUtf8(errmsg);
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127 free(errmsg);
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128 emit error (tr("Failed to check process status: %1").arg(qerrmsg));
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129 CloseHandle(shExecInfo.hProcess);
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130 return;
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131 }
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132 CloseHandle(shExecInfo.hProcess);
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133
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134 if (retval != 0) {
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135 /* TODO make this nicer */
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136 emit error (tr("The process failed with return code. %1").arg(retval));
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137 }
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138 return;
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139 #else /* WIN32 */
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140 QProcess installerProcess;
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141 installerProcess.setProgram(cinstProcInfo.absoluteFilePath());
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142 QStringList parameters;
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143
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144 choicesFile.setAutoRemove(false);
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145 parameters << "list=" + mCertListFile << "choices=" + choicesFile.fileName();
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146 installerProcess.setArguments(parameters);
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147
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148
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149 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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150 installerProcess.start();
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151 if (!installerProcess.waitForStarted() ||
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152 installerProcess.state() == QProcess::NotRunning) {
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153 emit error (tr("Failed to start installer process."));
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154 return;
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155 }
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156
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157 installerProcess.waitForFinished();
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158
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159 if (installerProcess.exitStatus() == QProcess::CrashExit) {
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160 /* Woops */
385
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161 emit error (tr("Failed to complete installation."));
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162 return;
364
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163 } else if (installerProcess.exitStatus() != QProcess::NormalExit) {
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164 /* Can not Happen. there are only those two values but maybe
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165 * qt changed.. */
385
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166 emit error (tr("Failed to complete installation."));
364
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167 return;
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168 }
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169
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170 if (installerProcess.exitCode() == 0) {
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171 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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172 } else {
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173 /* TODO handle errors defined by errorcodes.h */
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174 qDebug() << "Installer Process returned: " << installerProcess.exitCode();
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175 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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176 return;
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177 }
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178 #endif
256
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179 }
http://wald.intevation.org/projects/trustbridge/