Mercurial > trustbridge

annotate ui/installwrapper.cpp @ 856:797aa8d9c785

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(issue48) Fallback to HKEY_USERS on hive load failure If the hive can not be loaded it might mean that the user is currently logged on. In that case we can access his registry via HKEY_USERS.
author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 31 Jul 2014 12:56:26 +0200
parents 216a65d7fc4b
children b8ae69bcc540
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 #include "installwrapper.h"
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9
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10 #include <QFileInfo>
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11 #include <QProcess>
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12 #include <QTemporaryFile>
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13 #include <QApplication>
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14 #include <QDir>
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15 #include <QDebug>
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16
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17 #include "logging.h"
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18 #include "util.h"
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19
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20 #define INSTALL_TIMEOUT 3600000 /* Wait up to an hour */
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21
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22 InstallWrapper::InstallWrapper(QObject* parent,
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23 const QString& path, const QStringList& choices):
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24 QThread(parent),
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25 mCertListFile(path),
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26 mChoices(choices)
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27 {
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28 }
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29
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30 QFileInfo getCinstProcInfo() {
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31 QFileInfo fi(QCoreApplication::applicationFilePath());
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32 QDir myDir = fi.absoluteDir();
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33 QString instProcName = "cinst";
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34 if (!fi.suffix().isEmpty()) {
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35 instProcName += "." + fi.suffix();
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36 }
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37 return QFileInfo(myDir.absoluteFilePath(instProcName));
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38 }
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39
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40 bool InstallWrapper::writeChoices(QTemporaryFile* choicesFile) const
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41 {
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42 if (!choicesFile->open()) {
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43 return false;
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44 }
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45
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46 foreach (const QString &b64data, mChoices) {
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47 if (choicesFile->write(b64data.toLatin1()) == -1) {
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48 return false;
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49 }
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50 if (choicesFile->write("\n") == -1) {
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51 return false;
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52 }
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53 }
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54
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55 choicesFile->close();
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56
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57 return true;
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58 }
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59
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60 void InstallWrapper::run()
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61 {
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62 /* TODO: We need errorcodes here so that we can see if a user
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63 * cancled the UAC elevation */
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64 QTemporaryFile choicesFile;
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65 QFileInfo cinstProcInfo = getCinstProcInfo();
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66
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67 QString cinstFileName = QDir::toNativeSeparators(
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68 getCinstProcInfo().absoluteFilePath());
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69
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70 if (!cinstProcInfo.isExecutable()) {
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71 emit error(tr("Could not find certificate installation process."));
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72 return;
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73 }
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74
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75 if (!writeChoices(&choicesFile)) {
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76 emit error(tr("Failed to write temporary file."));
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77 return;
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78 }
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79
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80 #ifdef WIN32
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81 /* QProcess on Windows uses CreateProcess but we have to
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82 * use the runas shell command to get the UAC prompt if necessary.
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83 * So we have to handle the process ourself. Starting with
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84 * shell execute also means that we can not have stdout and stderr
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85 * redirection. This is the reason we use command line parameters
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86 * and not a pipe for communication. In debug mode the installer
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87 * also makes use of output debug string. */
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88 DWORD retval = 0;
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89 SHELLEXECUTEINFOW shExecInfo;
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90
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91 memset (&shExecInfo, 0, sizeof(SHELLEXECUTEINFOW));
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92
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93 /* Windows needs each parameter packed in " */
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94 QString parameters = "\"list=" + mCertListFile +
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95 "\" \"choices=" + choicesFile.fileName() + "\"";
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96
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97 shExecInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
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98 shExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
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99 if (!is_admin() || !is_system_install()) {
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100 shExecInfo.lpVerb = L"open";
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101 } else {
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102 shExecInfo.lpVerb = L"runas";
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103 }
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104 shExecInfo.lpFile = reinterpret_cast<LPCWSTR> (cinstFileName.utf16());
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105 shExecInfo.lpParameters = reinterpret_cast<LPCWSTR> (parameters.utf16());
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106
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107 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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108
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109 if (!ShellExecuteExW(&shExecInfo)) {
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110 char* errmsg = getLastErrorMsg();
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111 QString qerrmsg = QString::fromUtf8(errmsg);
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112 free(errmsg);
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113 emit error(tr("Error executing process: %1").arg(qerrmsg));
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114 return;
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115 }
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116
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117 retval = WaitForSingleObject(shExecInfo.hProcess, INSTALL_TIMEOUT);
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118
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119 if (retval != WAIT_OBJECT_0) {
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120 if (retval == WAIT_FAILED) {
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121 char* errmsg = getLastErrorMsg();
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122 QString qerrmsg = QString::fromUtf8(errmsg);
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123 free(errmsg);
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124 emit error (tr("Error monitoring process: %1").arg(qerrmsg));
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125 return;
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126 } else {
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127 emit error (tr("Certificate installation timed out."));
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128 return;
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129 }
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130 }
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131
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132 if (GetExitCodeProcess(shExecInfo.hProcess, &retval)) {
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133 if (retval == STILL_ACTIVE) {
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134 qDebug() << "Process still running, huh..";
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135 }
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136 } else {
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137 char* errmsg = getLastErrorMsg();
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138 QString qerrmsg = QString::fromUtf8(errmsg);
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139 free(errmsg);
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140 emit error (tr("Failed to check process status: %1").arg(qerrmsg));
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141 CloseHandle(shExecInfo.hProcess);
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142 return;
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143 }
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144 CloseHandle(shExecInfo.hProcess);
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145
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146 if (retval != 0) {
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147 /* TODO make this nicer */
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148 emit error (tr("The process failed with return code. %1").arg(retval));
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149 return;
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150 }
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151 #else /* WIN32 */
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152 QProcess installerProcess;
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153 QStringList parameters;
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154
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155 choicesFile.setAutoRemove(false);
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156 parameters << "list=" + mCertListFile << "choices=" + choicesFile.fileName();
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157
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158 bool sudo_started = false;
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216a65d7fc4b (issue66) Implement is_system_install and use it
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159 bool use_sudo = is_admin() && is_system_install();
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160 if (use_sudo) {
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161 QStringList sudoPrograms;
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162 sudoPrograms << "gksudo" << "kdesudo" << "sudo";
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163 QStringList sudoParams;
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51830f4912c2 Minor style fix
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164 sudoParams << cinstProcInfo.absoluteFilePath() << parameters;
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165 installerProcess.setArguments(sudoParams);
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166
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167 foreach (const QString &sProg, sudoPrograms) {
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168 installerProcess.setProgram(sProg);
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169 qDebug() << "Starting process " << sProg <<" params: " << sudoParams;
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170 installerProcess.start();
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171 if (!installerProcess.waitForStarted() ||
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172 installerProcess.state() == QProcess::NotRunning) {
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173 continue;
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174 } else {
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175 sudo_started = true;
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176 break;
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177 }
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178 }
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179 }
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180
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181 /* Fallback to start without sudo */
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182 if (!use_sudo || !sudo_started) {
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183 installerProcess.setProgram(cinstProcInfo.absoluteFilePath());
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184 installerProcess.setArguments(parameters);
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185
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186 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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187 installerProcess.start();
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188 if (!installerProcess.waitForStarted() ||
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189 installerProcess.state() == QProcess::NotRunning) {
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190 emit error (tr("Failed to start installer process."));
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191 return;
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192 }
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193 }
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194
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195 installerProcess.waitForFinished();
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196
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197 if (installerProcess.exitStatus() == QProcess::CrashExit) {
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198 /* Woops */
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199 emit error (tr("Failed to complete installation."));
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200 return;
364
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201 } else if (installerProcess.exitStatus() != QProcess::NormalExit) {
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202 /* Can not Happen. there are only those two values but maybe
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203 * qt changed.. */
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204 emit error (tr("Failed to complete installation."));
364
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205 return;
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206 }
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207
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208 if (installerProcess.exitCode() == 0) {
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209 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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210 } else {
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211 /* TODO handle errors defined by errorcodes.h */
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212 qDebug() << "Installer Process returned: " << installerProcess.exitCode();
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213 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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214 return;
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215 }
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216 #endif
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217 emit installationSuccessful();
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84ae353688e0 Add installwrapper class to handle process communication
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218 }
http://wald.intevation.org/projects/trustbridge/