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/**************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Installer Framework.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
**************************************************************************/
#include "binarydump.h"
#include "binaryreplace.h"
#include "operationrunner.h"
#include <binarycontent.h>
#include <binaryformat.h>
#include <binaryformatenginehandler.h>
#include <errors.h>
#include <fileio.h>
#include <fileutils.h>
#include <init.h>
#include <kdupdaterupdateoperationfactory.h>
#include <utils.h>
#include <QCoreApplication>
#include <QCommandLineParser>
#include <QFileInfo>
#include <QResource>
#include <iostream>
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
app.setApplicationVersion(QLatin1String("1.0.0"));
QCommandLineOption verbose(QLatin1String("verbose"),
QLatin1String("Verbose mode. Prints out more information."));
QCommandLineOption dump(QLatin1String("dump"),
QLatin1String("Dumps the binary content attached to an installer into target."),
QLatin1String("folder"));
QCommandLineOption run(QLatin1String("operation"),
QLatin1String("Executes an operation with a list of arguments. Mode can be DO or UNDO."),
QLatin1String("mode,name,args,..."));
QCommandLineOption update(QLatin1String("update"),
QLatin1String("Updates existing installer or maintenance tool with a new installer base."),
QLatin1String("file"));
QCommandLineParser parser;
parser.addVersionOption();
parser.addOption(verbose);
parser.addOption(update);
parser.addOption(dump);
parser.addOption(run);
parser.addPositionalArgument(QLatin1String("binary"), QLatin1String("Existing installer or "
"maintenance tool."));
parser.process(app.arguments());
const QStringList arguments = parser.positionalArguments();
if (arguments.isEmpty() || (arguments.count() > 1))
parser.showHelp(EXIT_FAILURE);
QInstaller::init();
QInstaller::setVerbose(parser.isSet(verbose));
QString bundlePath;
QString path = QFileInfo(arguments.first()).absoluteFilePath();
if (QInstaller::isInBundle(path, &bundlePath))
path = QDir(bundlePath).filePath(QLatin1String("Contents/Resources/installer.dat"));
int result = EXIT_FAILURE;
QVector<QByteArray> resourceMappings;
try {
QFile *file = new QFile(path);
QInstaller::openForRead(file);
qint64 pos = QInstaller::BinaryContent::findMagicCookie(file,
QInstaller::BinaryContent::MagicCookie);
QInstaller::BinaryLayout layout = QInstaller::BinaryContent::readBinaryLayout(file, pos);
if (layout.magicMarker == QInstaller::BinaryContent::MagicUninstallerMarker) {
QFileInfo fi(path);
if (QInstaller::isInBundle(fi.absoluteFilePath(), &bundlePath))
fi.setFile(bundlePath);
path = fi.absolutePath() + QLatin1Char('/') + fi.baseName() + QLatin1String(".dat");
file->setFileName(path);
pos = QInstaller::BinaryContent::findMagicCookie(file,
QInstaller::BinaryContent::MagicCookie);
layout = QInstaller::BinaryContent::readBinaryLayout(file, pos);
}
if (parser.isSet(update)) {
// To update the binary we do not need any mapping.
BinaryReplace br(layout);
return br.replace(parser.value(update), path);
}
// map the inbuilt resources
foreach (const Range<qint64> &segment, layout.metadataResourceSegments) {
if (segment.length() <= 0)
continue;
if (!file->seek(segment.start()))
throw QInstaller::Error(QLatin1String("Could not seek to segment position."));
const QByteArray ba = QInstaller::retrieveData(file, segment.length());
if (!QResource::registerResource((const uchar*) ba.data(), QLatin1String(":/metadata")))
throw QInstaller::Error(QLatin1String("Could not register in-binary resource."));
resourceMappings.append(ba);
}
// instantiate the operations we support
const qint64 dataBlockStart = layout.endOfData - layout.dataBlockSize;
const qint64 operationsStart = layout.operationsStart + dataBlockStart;
if (!file->seek(operationsStart))
throw QInstaller::Error(QLatin1String("Could not seek to operation list."));
QList<QInstaller::Operation *> performedOperations;
const qint64 operationsCount = QInstaller::retrieveInt64(file);
for (int i = 0; i < operationsCount; ++i) {
const QString name = QInstaller::retrieveString(file);
const QString data = QInstaller::retrieveString(file);
QScopedPointer<QInstaller::Operation> op(KDUpdater::UpdateOperationFactory::instance()
.create(name));
if (op.isNull()) {
throw QInstaller::Error(QString::fromLatin1("Could not load unknown operation %1")
.arg(name));
}
if (!op->fromXml(data)) {
throw QInstaller::Error(QString::fromLatin1("Could not load XML for operation: %1")
.arg(name));
}
performedOperations.append(op.take());
}
// seek to the position of the resource collections segment info
const qint64 resourceOffsetAndLengtSize = 2 * sizeof(qint64);
const qint64 resourceSectionSize = resourceOffsetAndLengtSize * layout.resourceCount;
qint64 offset = layout.endOfData - layout.indexSize - resourceSectionSize
- resourceOffsetAndLengtSize;
if (!file->seek(offset)) {
throw QInstaller::Error(QLatin1String("Could not seek to read the resource collection "
"segment info."));
}
offset = QInstaller::retrieveInt64(file) + dataBlockStart;
if (!file->seek(offset)) {
throw QInstaller::Error(QLatin1String("Could not seek to start position of resource "
"collection block."));
}
// setup the collection manager
QSharedPointer<QFile> data(file);
QInstaller::ResourceCollectionManager manager;
manager.read(data, dataBlockStart);
if (parser.isSet(dump)) {
// To dump the content we do not need the binary format engine.
if (layout.magicMarker != QInstaller::BinaryContent::MagicInstallerMarker)
throw QInstaller::Error(QLatin1String("Source file is not an installer."));
BinaryDump bd;
return bd.dump(manager, parser.value(dump));
}
QInstaller::BinaryFormatEngineHandler::instance()->registerResources(manager
.collections()); // setup the binary format engine
if (parser.isSet(run)) {
OperationRunner runner(layout.magicMarker, performedOperations);
const QStringList arguments = parser.values(run);
if (arguments.first() == QLatin1String("DO"))
result = runner.runOperation(arguments.mid(1), OperationRunner::RunMode::Do);
else if (arguments.first() == QLatin1String("UNDO"))
result = runner.runOperation(arguments.mid(1), OperationRunner::RunMode::Undo);
}
} catch (const QInstaller::Error &error) {
std::cerr << qPrintable(error.message()) << std::endl;
} catch (...) {
std::cerr << "Unknown exception caught." << std::endl;
}
// unmap resources
foreach (const QByteArray &rccData, resourceMappings)
QResource::unregisterResource((const uchar*) rccData.data(), QLatin1String(":/metadata"));
return result;
}
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