diff options
author | kh1 <karsten.heimrich@digia.com> | 2014-07-11 15:26:35 +0200 |
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committer | Karsten Heimrich <karsten.heimrich@digia.com> | 2014-07-11 15:37:54 +0200 |
commit | 2a364e7135db730dfe8ca38b5203088357685e8d (patch) | |
tree | 65c0d60f270b5ee1c370a37c1ff5bf86076af0d4 /tools/devtool/main.cpp | |
parent | e6390254c683d210ca837eb137b027146fdd9d3a (diff) |
Introduce developer tool.
Supports dump binary content, run operation and update existing
binary with new installer base. The support for starting with
binary data of a different installer got dropped completely, use
update and run instead.
Change-Id: I41073d0bfc9a4c4da18fbb9f49fd3e65bb54b501
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Diffstat (limited to 'tools/devtool/main.cpp')
-rw-r--r-- | tools/devtool/main.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/tools/devtool/main.cpp b/tools/devtool/main.cpp new file mode 100644 index 000000000..213011ff1 --- /dev/null +++ b/tools/devtool/main.cpp @@ -0,0 +1,212 @@ +/************************************************************************** +** +** 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 <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> + +using namespace QInstallerCreator; + +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::findMagicCookie(file, QInstaller::MagicCookie); + QInstaller::BinaryLayout layout = QInstaller::BinaryContent::readBinaryLayout(file, pos); + + if (layout.magicMarker == QInstaller::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::findMagicCookie(file, QInstaller::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 component index + const qint64 resourceOffsetAndLengtSize = 2 * sizeof(qint64); + const qint64 resourceSectionSize = resourceOffsetAndLengtSize * layout.resourceCount; + const qint64 offset = layout.endOfData - layout.indexSize - resourceSectionSize + - resourceOffsetAndLengtSize; + if (!file->seek(offset)) + throw QInstaller::Error(QLatin1String("Could not seek to read component index info.")); + + const qint64 compIndexStart = QInstaller::retrieveInt64(file) + dataBlockStart; + if (!file->seek(compIndexStart)) + throw QInstaller::Error(QLatin1String("Could not seek to start of component index.")); + + // setup the component index + QSharedPointer<QFile> data(file); + ComponentIndex index = ComponentIndex::read(data, dataBlockStart); + + if (parser.isSet(dump)) { + // To dump the content we do not need the binary format engine. + if (layout.magicMarker != QInstaller::MagicInstallerMarker) + throw QInstaller::Error(QLatin1String("Source file is not an installer.")); + BinaryDump bd; + return bd.dump(index, parser.value(dump)); + } + + // setup the binary format engine + QScopedPointer<BinaryFormatEngineHandler> binaryFormatEngineHandler; + binaryFormatEngineHandler.reset(new BinaryFormatEngineHandler(index)); + + 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; +} |