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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <functional>
#include <utilities.h>
#include <application.h>
#include "plugincontainer.h"
#include "debugwrapper.h"
#include "sudo.h"
#include "unixsignalhandler.h"
using namespace Qt::StringLiterals;
QT_BEGIN_NAMESPACE_AM
PluginContainerManager::PluginContainerManager(ContainerManagerInterface *managerInterface, QObject *parent)
: AbstractContainerManager(managerInterface->identifier(), parent)
, m_interface(managerInterface)
, m_helpers(new PluginContainerHelperFunctions)
{
}
PluginContainerManager::~PluginContainerManager()
{
delete m_interface;
}
bool PluginContainerManager::initialize()
{
return m_interface->initialize(m_helpers.get());
}
QString PluginContainerManager::defaultIdentifier()
{
return u"invalid-plugin"_s;
}
bool PluginContainerManager::supportsQuickLaunch() const
{
return m_interface->supportsQuickLaunch();
}
AbstractContainer *PluginContainerManager::create(Application *app, QVector<int> &&stdioRedirections,
const QMap<QString, QString> &debugWrapperEnvironment,
const QStringList &debugWrapperCommand)
{
// stdioRedirections should really be changed to 'move', but we would break the plugin API.
auto containerInterface = m_interface->create(app == nullptr, stdioRedirections,
debugWrapperEnvironment, debugWrapperCommand);
if (!containerInterface) {
closeAndClearFileDescriptors(stdioRedirections);
return nullptr;
}
return new PluginContainer(this, app, containerInterface, !debugWrapperCommand.isEmpty());
}
void PluginContainerManager::setConfiguration(const QVariantMap &configuration)
{
AbstractContainerManager::setConfiguration(configuration);
m_interface->setConfiguration(configuration);
}
PluginContainer::~PluginContainer()
{ }
QString PluginContainer::controlGroup() const
{
return m_interface->controlGroup();
}
bool PluginContainer::setControlGroup(const QString &groupName)
{
return m_interface->setControlGroup(groupName);
}
bool PluginContainer::setProgram(const QString &program)
{
if (AbstractContainer::setProgram(program))
return m_interface->setProgram(program);
return false;
}
void PluginContainer::setBaseDirectory(const QString &baseDirectory)
{
AbstractContainer::setBaseDirectory(baseDirectory);
m_interface->setBaseDirectory(baseDirectory);
}
bool PluginContainer::isReady()
{
return m_interface->isReady();
}
bool PluginContainer::hasDebugWrapper() const
{
return m_hasDebugWrapper;
}
QString PluginContainer::mapContainerPathToHost(const QString &containerPath) const
{
return m_interface->mapContainerPathToHost(containerPath);
}
QString PluginContainer::mapHostPathToContainer(const QString &hostPath) const
{
return m_interface->mapHostPathToContainer(hostPath);
}
AbstractContainerProcess *PluginContainer::start(const QStringList &arguments, const QMap<QString, QString> &env,
const QVariantMap &amConfig)
{
if (m_startCalled)
return nullptr;
if (m_interface->start(arguments, env, amConfig)) {
m_startCalled = true;
return m_process;
}
return nullptr;
}
PluginContainer::PluginContainer(AbstractContainerManager *manager, Application *app,
ContainerInterface *containerInterface, bool hasDebugWrapper)
: AbstractContainer(manager, app)
, m_interface(containerInterface)
, m_hasDebugWrapper(hasDebugWrapper)
{
m_process = new PluginContainerProcess(this);
m_process->setParent(this);
connect(containerInterface, &ContainerInterface::ready, this, &PluginContainer::ready);
connect(containerInterface, &ContainerInterface::started, m_process, &PluginContainerProcess::started);
connect(containerInterface, &ContainerInterface::errorOccured,
m_process, [this](ContainerInterface::ProcessError processError) {
emit m_process->errorOccured(static_cast<Am::ProcessError>(processError));
});
connect(containerInterface, &ContainerInterface::finished,
m_process, [this](int exitCode, ContainerInterface::ExitStatus exitStatus) {
emit m_process->finished(exitCode, static_cast<Am::ExitStatus>(exitStatus));
});
connect(containerInterface, &ContainerInterface::stateChanged,
m_process, [this](ContainerInterface::RunState newState) {
emit m_process->stateChanged(static_cast<Am::RunState>(newState));
});
connect(this, &AbstractContainer::applicationChanged, this, [this]() {
m_interface->attachApplication(application()->info()->toVariantMap());
});
if (application())
containerInterface->attachApplication(application()->info()->toVariantMap());
}
PluginContainerProcess::PluginContainerProcess(PluginContainer *container)
: AbstractContainerProcess()
, m_container(container)
{ }
qint64 PluginContainerProcess::processId() const
{
return m_container->m_interface->processId();
}
Am::RunState PluginContainerProcess::state() const
{
return static_cast<Am::RunState>(m_container->m_interface->state());
}
void PluginContainerProcess::stop(Am::ExitStatus exitStatus)
{
m_container->m_interface->stop(static_cast<ContainerInterface::ExitStatus>(exitStatus));
}
void PluginContainerHelperFunctions::closeAndClearFileDescriptors(QVector<int> &fdList)
{
::QtAM::closeAndClearFileDescriptors(fdList);
}
QStringList PluginContainerHelperFunctions::substituteCommand(const QStringList &debugWrapperCommand,
const QString &program,
const QStringList &arguments)
{
return DebugWrapper::substituteCommand(debugWrapperCommand, program, arguments);
}
bool PluginContainerHelperFunctions::hasRootPrivileges()
{
return SudoClient::instance() && !SudoClient::instance()->isFallbackImplementation();
}
void PluginContainerHelperFunctions::bindMountFileSystem(const QString &from, const QString &to,
bool readOnly, quint64 namespacePid)
{
auto sudo = SudoClient::instance();
if (sudo && !sudo->isFallbackImplementation()) {
if (!sudo->bindMountFileSystem(from, to, readOnly, namespacePid))
throw std::runtime_error(sudo->lastError().toLocal8Bit());
} else {
throw std::runtime_error("Cannot call bindMountFileSystem: root privileges are required. Run appman via 'sudo' or 'chmod +s'.");
}
}
int PluginContainerHelperFunctions::watchdogSignal()
{
return UnixSignalHandler::watchdogSignal();
}
QString PluginContainerHelperFunctions::checkDBusSocketPath(const QString &dbusAddress, const QByteArray &typeHint)
{
// parse the actual socket file name from the DBus address specification
QString socketPath = dbusAddress;
socketPath = socketPath.mid(socketPath.indexOf(u'=') + 1);
socketPath = socketPath.left(socketPath.indexOf(u','));
QFileInfo socketInfo(socketPath);
if (!socketInfo.exists()) {
QByteArray err = typeHint + " DBus socket doesn't exist: " + socketPath.toLocal8Bit();
throw std::runtime_error(err);
}
return socketInfo.absoluteFilePath();
}
QString PluginContainerHelperFunctions::checkWaylandSocketPath(const QString &xdgRuntimeDir, const QString &waylandDisplay)
{
// parse the wayland socket name from wayland env variables
QString socketPath = xdgRuntimeDir + u'/' + waylandDisplay;
QFileInfo socketInfo(socketPath);
if (!socketInfo.exists()) {
QByteArray err = "Wayland socket doesn't exist: " + socketPath.toLocal8Bit();
throw std::runtime_error(err);
}
return socketInfo.absoluteFilePath();
}
QT_END_NAMESPACE_AM
#include "moc_plugincontainer.cpp"
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