Mercurial > trustbridge

annotate ui/installwrapper.cpp @ 404:17e1c8f37d72

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Add License
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 16 Apr 2014 13:28:44 +0000
parents a507e5f1b999
children a7163018de2f
rev   line source
404
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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
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19 #define INSTALL_TIMEOUT 3600000 /* Wait up to an hour */
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20
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21 InstallWrapper::InstallWrapper(QObject* parent,
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22 const QString& path, const QStringList& choices):
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23 QThread(parent),
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24 mCertListFile(path),
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25 mChoices(choices)
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26 {
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27 }
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28
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29 QFileInfo getCinstProcInfo() {
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30 QFileInfo fi(QCoreApplication::applicationFilePath());
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31 QDir myDir = fi.absoluteDir();
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32 QString instProcName = "cinst";
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33 if (!fi.suffix().isEmpty()) {
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34 instProcName += "." + fi.suffix();
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35 }
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36 return QFileInfo(myDir.absoluteFilePath(instProcName));
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37 }
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38
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39 bool InstallWrapper::writeChoices(QTemporaryFile* choicesFile) const
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40 {
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41 if (!choicesFile->open()) {
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42 return false;
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43 }
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44
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45 foreach (const QString &b64data, mChoices) {
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46 if (!choicesFile->write(b64data.toLatin1())) {
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47 return false;
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48 }
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49 if (!choicesFile->write("\n")) {
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50 return false;
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51 }
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52 }
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53
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54 choicesFile->close();
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55
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56 return true;
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57 }
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58
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59 void InstallWrapper::run()
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60 {
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61 /* TODO: We need errorcodes here so that we can see if a user
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62 * cancled the UAC elevation */
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63 QTemporaryFile choicesFile;
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64 QFileInfo cinstProcInfo = getCinstProcInfo();
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65
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66 QString cinstFileName = QDir::toNativeSeparators(
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67 getCinstProcInfo().absoluteFilePath());
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68
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69 if (!cinstProcInfo.isExecutable()) {
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70 emit error(tr("Could not find certificate installation process."));
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71 return;
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72 }
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73
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74 if (!writeChoices(&choicesFile)) {
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75 emit error(tr("Failed to write temporary file."));
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76 return;
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77 }
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78
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79 #ifdef WIN32
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80 /* QProcess on Windows uses CreateProcess but we have to
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81 * use the runas shell command to get the UAC prompt if necessary.
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82 * So we have to handle the process ourself. Starting with
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83 * shell execute also means that we can not have stdout and stderr
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84 * redirection. This is the reason we use command line parameters
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85 * and not a pipe for communication. In debug mode the installer
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86 * also makes use of output debug string. */
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87 DWORD retval = 0;
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88 SHELLEXECUTEINFOW shExecInfo;
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89
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90 memset (&shExecInfo, 0, sizeof(SHELLEXECUTEINFOW));
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91
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92 /* Windows needs each parameter packed in " */
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93 QString parameters = "\"list=" + mCertListFile +
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94 "\" \"choices=" + choicesFile.fileName() + "\"";
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95
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96 shExecInfo.cbSize = sizeof(SHELLEXECUTEINFOW);
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97 shExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
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98 shExecInfo.lpVerb = L"runas";
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99 shExecInfo.lpFile = reinterpret_cast<LPCWSTR> (cinstFileName.utf16());
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100 shExecInfo.lpParameters = reinterpret_cast<LPCWSTR> (parameters.utf16());
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101
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102 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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103
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104 if (!ShellExecuteExW(&shExecInfo)) {
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105 char* errmsg = getLastErrorMsg();
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106 QString qerrmsg = QString::fromUtf8(errmsg);
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107 free(errmsg);
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108 emit error(tr("Error executing process: %1").arg(qerrmsg));
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109 return;
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110 }
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111
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112 retval = WaitForSingleObject(shExecInfo.hProcess, INSTALL_TIMEOUT);
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113
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114 if (retval != WAIT_OBJECT_0) {
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115 if (retval == WAIT_FAILED) {
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116 char* errmsg = getLastErrorMsg();
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117 QString qerrmsg = QString::fromUtf8(errmsg);
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118 free(errmsg);
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119 emit error (tr("Error monitoring process: %1").arg(qerrmsg));
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120 return;
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121 } else {
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122 emit error (tr("Certificate installation timed out."));
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123 return;
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124 }
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125 }
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126
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127 if (GetExitCodeProcess(shExecInfo.hProcess, &retval)) {
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128 if (retval == STILL_ACTIVE) {
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129 qDebug() << "Process still running, huh..";
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130 }
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131 } else {
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132 char* errmsg = getLastErrorMsg();
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133 QString qerrmsg = QString::fromUtf8(errmsg);
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134 free(errmsg);
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135 emit error (tr("Failed to check process status: %1").arg(qerrmsg));
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136 CloseHandle(shExecInfo.hProcess);
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137 return;
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138 }
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139 CloseHandle(shExecInfo.hProcess);
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140
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141 if (retval != 0) {
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142 /* TODO make this nicer */
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143 emit error (tr("The process failed with return code. %1").arg(retval));
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144 return;
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145 }
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146 #else /* WIN32 */
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147 QProcess installerProcess;
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148 installerProcess.setProgram(cinstProcInfo.absoluteFilePath());
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149 QStringList parameters;
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150
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151 choicesFile.setAutoRemove(false);
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152 parameters << "list=" + mCertListFile << "choices=" + choicesFile.fileName();
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153 installerProcess.setArguments(parameters);
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154
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155
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156 qDebug() << "Starting process " << cinstFileName <<" params: " << parameters;
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157 installerProcess.start();
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158 if (!installerProcess.waitForStarted() ||
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159 installerProcess.state() == QProcess::NotRunning) {
364
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160 emit error (tr("Failed to start installer process."));
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161 return;
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162 }
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163
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164 installerProcess.waitForFinished();
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165
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166 if (installerProcess.exitStatus() == QProcess::CrashExit) {
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167 /* Woops */
385
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168 emit error (tr("Failed to complete installation."));
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169 return;
364
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170 } else if (installerProcess.exitStatus() != QProcess::NormalExit) {
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171 /* Can not Happen. there are only those two values but maybe
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172 * qt changed.. */
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173 emit error (tr("Failed to complete installation."));
364
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174 return;
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parents: 285
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175 }
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176
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177 if (installerProcess.exitCode() == 0) {
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178 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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179 } else {
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180 /* TODO handle errors defined by errorcodes.h */
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181 qDebug() << "Installer Process returned: " << installerProcess.exitCode();
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182 qDebug() << "output: " << installerProcess.readAllStandardOutput();
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183 return;
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184 }
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parents: 285
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185 #endif
388
a507e5f1b999 Emit a signal if no errors happened during installation.
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186 emit installationSuccessful();
256
84ae353688e0 Add installwrapper class to handle process communication
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parents:
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187 }
http://wald.intevation.org/projects/trustbridge/