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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <QCoreApplication>
#include <QDebug>
#include <QDir>
#include <QPluginLoader>
class tst_QPlugin : public QObject
{
Q_OBJECT
QDir dir;
QString invalidPluginName;
public:
tst_QPlugin();
private slots:
void initTestCase();
void loadDebugPlugin();
void loadReleasePlugin();
void scanInvalidPlugin_data();
void scanInvalidPlugin();
};
tst_QPlugin::tst_QPlugin()
: dir(QFINDTESTDATA("plugins"))
{
}
void tst_QPlugin::initTestCase()
{
QVERIFY2(dir.exists(),
qPrintable(QString::fromLatin1("Cannot find the 'plugins' directory starting from '%1'").
arg(QDir::toNativeSeparators(QDir::currentPath()))));
const auto fileNames = dir.entryList({"*invalid*"}, QDir::Files);
if (!fileNames.isEmpty())
invalidPluginName = dir.absoluteFilePath(fileNames.first());
}
void tst_QPlugin::loadDebugPlugin()
{
const auto fileNames = dir.entryList(QStringList() << "*debug*", QDir::Files);
for (const QString &fileName : fileNames) {
if (!QLibrary::isLibrary(fileName))
continue;
QPluginLoader loader(dir.filePath(fileName));
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
// we can always load a plugin on unix
QVERIFY(loader.load());
QObject *object = loader.instance();
QVERIFY(object != 0);
#else
// loading a plugin is dependent on which lib we are running against
# if defined(QT_NO_DEBUG)
// release build, we cannot load debug plugins
QVERIFY(!loader.load());
# else
// debug build, we can load debug plugins
QVERIFY(loader.load());
QObject *object = loader.instance();
QVERIFY(object != 0);
# endif
#endif
}
}
void tst_QPlugin::loadReleasePlugin()
{
const auto fileNames = dir.entryList(QStringList() << "*release*", QDir::Files);
for (const QString &fileName : fileNames) {
continue;
QPluginLoader loader(dir.filePath(fileName));
#if defined(Q_OS_UNIX) && !defined(Q_OS_MAC)
// we can always load a plugin on unix
QVERIFY(loader.load());
QObject *object = loader.instance();
QVERIFY(object != 0);
#else
// loading a plugin is dependent on which lib we are running against
# if defined(QT_NO_DEBUG)
// release build, we can load debug plugins
QVERIFY(loader.load());
QObject *object = loader.instance();
QVERIFY(object != 0);
# else
// debug build, we cannot load debug plugins
QVERIFY(!loader.load());
# endif
#endif
}
}
void tst_QPlugin::scanInvalidPlugin_data()
{
QTest::addColumn<QByteArray>("metadata");
QTest::addColumn<bool>("loads");
QByteArray prefix = "QTMETADATA ";
{
QJsonObject obj;
obj.insert("IID", "org.qt-project.tst_qplugin");
obj.insert("className", "tst");
obj.insert("version", int(QT_VERSION));
#ifdef QT_NO_DEBUG
obj.insert("debug", false);
#else
obj.insert("debug", true);
#endif
obj.insert("MetaData", QJsonObject());
QTest::newRow("control") << (prefix + QJsonDocument(obj).toBinaryData()) << true;
}
QTest::newRow("zeroes") << prefix << false;
prefix += "qbjs";
QTest::newRow("bad-json-version0") << prefix << false;
QTest::newRow("bad-json-version2") << (prefix + QByteArray("\2\0\0\0", 4)) << false;
// valid qbjs version 1
prefix += QByteArray("\1\0\0\0");
// too large for the file (100 MB)
QTest::newRow("bad-json-size-large1") << (prefix + QByteArray("\0\0\x40\x06")) << false;
// too large for binary JSON (512 MB)
QTest::newRow("bad-json-size-large2") << (prefix + QByteArray("\0\0\0\x20")) << false;
// could overflow
QTest::newRow("bad-json-size-large3") << (prefix + "\xff\xff\xff\x7f") << false;
}
static const char invalidPluginSignature[] = "qplugin testfile";
static qsizetype locateMetadata(const uchar *data, qsizetype len)
{
const uchar *dataend = data + len - strlen(invalidPluginSignature);
for (const uchar *ptr = data; ptr < dataend; ++ptr) {
if (*ptr != invalidPluginSignature[0])
continue;
int r = memcmp(ptr, invalidPluginSignature, strlen(invalidPluginSignature));
if (r)
continue;
return ptr - data;
}
return -1;
}
void tst_QPlugin::scanInvalidPlugin()
{
QVERIFY(!invalidPluginName.isEmpty());
// copy the file
QFileInfo fn(invalidPluginName);
QTemporaryDir tmpdir;
QVERIFY(tmpdir.isValid());
QString newName = tmpdir.path() + '/' + fn.fileName();
QVERIFY(QFile::copy(invalidPluginName, newName));
{
QFile f(newName);
QVERIFY(f.open(QIODevice::ReadWrite | QIODevice::Unbuffered));
QVERIFY(f.size() > qint64(strlen(invalidPluginSignature)));
uchar *data = f.map(0, f.size());
QVERIFY(data);
static const qsizetype offset = locateMetadata(data, f.size());
QVERIFY(offset > 0);
QFETCH(QByteArray, metadata);
// sanity check
QVERIFY(metadata.size() < 512);
// replace the data
memcpy(data + offset, metadata.constData(), metadata.size());
memset(data + offset + metadata.size(), 0, 512 - metadata.size());
}
// now try to load this
QFETCH(bool, loads);
QPluginLoader loader(newName);
QCOMPARE(loader.load(), loads);
if (loads)
loader.unload();
}
QTEST_MAIN(tst_QPlugin)
#include "tst_qplugin.moc"
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