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UI: Remove service monitors

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Driver will monitor the `svchost.exe`
This commit is contained in:
Nodir Temirkhodjaev 2022-01-07 11:44:40 +03:00
parent 01d0e2b8d3
commit 43aeab0b9b
9 changed files with 0 additions and 650 deletions
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4
src/ui/FortFirewallUI.pro
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@ -111,8 +111,6 @@ SOURCES += \
rpc/windowmanagerfake.cpp \
serviceinfo/serviceinfo.cpp \
serviceinfo/serviceinfomanager.cpp \
serviceinfo/serviceinfomonitor.cpp \
serviceinfo/servicelistmonitor.cpp \
stat/quotamanager.cpp \
stat/statmanager.cpp \
stat/statsql.cpp \
@ -266,8 +264,6 @@ HEADERS += \
rpc/windowmanagerfake.h \
serviceinfo/serviceinfo.h \
serviceinfo/serviceinfomanager.h \
serviceinfo/serviceinfomonitor.h \
serviceinfo/servicelistmonitor.h \
stat/quotamanager.h \
stat/statmanager.h \
stat/statsql.h \

8
src/ui/fortmanager.cpp
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@ -84,7 +84,6 @@ void FortManager::initialize()
setupConfManager();
setupQuotaManager();
setupTaskManager();
setupServiceInfoManager();
setupDriver();
loadConf();
@ -287,13 +286,6 @@ void FortManager::setupTaskManager()
IoC<ConfManager>(), &ConfManager::updateDriverZones);
}
void FortManager::setupServiceInfoManager()
{
auto serviceInfoManager = IoC<ServiceInfoManager>();
serviceInfoManager->setMonitorEnabled(IoC<FortSettings>()->isMaster());
}
void FortManager::setupTranslationManager()
{
IoC<TranslationManager>()->switchLanguageByName(IoC<UserSettings>()->iniUser().language());

1
src/ui/fortmanager.h
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@ -46,7 +46,6 @@ private:
void setupConfManager();
void setupQuotaManager();
void setupTaskManager();
void setupServiceInfoManager();
void setupTranslationManager();

129
src/ui/serviceinfo/serviceinfomanager.cpp
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@ -5,9 +5,6 @@
#define WIN32_LEAN_AND_MEAN
#include <qt_windows.h>
#include "serviceinfomonitor.h"
#include "servicelistmonitor.h"
namespace {
const QLoggingCategory LC("serviceInfo.serviceInfoManager");
@ -49,21 +46,6 @@ QVector<ServiceInfo> getServiceInfoList(SC_HANDLE mngr, DWORD state = SERVICE_ST
ServiceInfoManager::ServiceInfoManager(QObject *parent) : QObject(parent) { }
ServiceInfoManager::~ServiceInfoManager()
{
clearServiceMonitors();
stopServiceListMonitor();
}
void ServiceInfoManager::setMonitorEnabled(bool v)
{
if (m_monitorEnabled != v) {
m_monitorEnabled = v;
setupServiceMonitors();
}
}
int ServiceInfoManager::groupIndexByName(const QString &name) const
{
return m_serviceGroups.value(name, -1);
@ -80,114 +62,3 @@ QVector<ServiceInfo> ServiceInfoManager::loadServiceInfoList()
}
return list;
}
void ServiceInfoManager::setupServiceMonitors()
{
clearServiceMonitors();
if (!monitorEnabled())
return;
const SC_HANDLE mngr =
OpenSCManagerW(nullptr, nullptr, SC_MANAGER_CONNECT | SC_MANAGER_ENUMERATE_SERVICE);
if (!mngr) {
qCCritical(LC) << "Open manager error:" << GetLastError();
return;
}
if (!m_serviceGroups.isEmpty()) {
const auto services = getServiceInfoList(mngr);
for (const auto &info : services) {
startServiceMonitor(info.serviceName, info.processId, mngr);
}
}
startServiceListMonitor(mngr);
}
void ServiceInfoManager::clearServiceMonitors()
{
const auto monitors = m_serviceMonitors.values();
m_serviceMonitors.clear();
for (ServiceInfoMonitor *m : monitors) {
stopServiceMonitor(m);
}
}
void ServiceInfoManager::startServiceMonitor(
const QString &name, quint32 processId, void *managerHandle)
{
if (!m_serviceGroups.contains(name))
return;
auto m = new ServiceInfoMonitor(processId, name, managerHandle);
connect(m, &ServiceInfoMonitor::stateChanged, this, &ServiceInfoManager::onServiceStateChanged,
Qt::QueuedConnection);
m_serviceMonitors.insert(name, m);
}
void ServiceInfoManager::stopServiceMonitor(ServiceInfoMonitor *m)
{
m_serviceMonitors.remove(m->name());
m->terminate();
m->deleteLater();
}
void ServiceInfoManager::startServiceListMonitor(void *managerHandle)
{
auto m = new ServiceListMonitor(managerHandle);
connect(m, &ServiceListMonitor::serviceCreated, this, &ServiceInfoManager::onServiceCreated,
Qt::QueuedConnection);
connect(m, &ServiceListMonitor::errorOccurred, this,
&ServiceInfoManager::stopServiceListMonitor, Qt::QueuedConnection);
m_serviceListMonitor = m;
}
void ServiceInfoManager::stopServiceListMonitor()
{
auto m = m_serviceListMonitor;
if (!m)
return;
m_serviceListMonitor = nullptr;
m->terminate();
m->deleteLater();
}
void ServiceInfoManager::onServiceStateChanged(ServiceInfo::State state, quint32 processId)
{
const auto m = qobject_cast<ServiceInfoMonitor *>(sender());
Q_ASSERT(m);
if (state == ServiceInfo::StateDeleted) {
Q_ASSERT(processId == 0);
processId = m->processId();
if (processId != 0) {
state = ServiceInfo::StateInactive;
}
stopServiceMonitor(m);
}
const int groupIndex = groupIndexByName(m->name());
if (groupIndex == -1)
return;
Q_ASSERT(processId != 0);
emit serviceChanged(processId, (state == ServiceInfo::StateActive ? groupIndex : -1));
}
void ServiceInfoManager::onServiceCreated(const QStringList &nameList)
{
for (const auto &name : nameList) {
startServiceMonitor(name);
}
}

25
src/ui/serviceinfo/serviceinfomanager.h
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@ -8,19 +8,12 @@
#include "serviceinfo.h"
class ServiceInfoMonitor;
class ServiceListMonitor;
class ServiceInfoManager : public QObject, public IocService
{
Q_OBJECT
public:
explicit ServiceInfoManager(QObject *parent = nullptr);
~ServiceInfoManager() override;
bool monitorEnabled() const { return m_monitorEnabled; }
void setMonitorEnabled(bool v);
int groupIndexByName(const QString &name) const;
@ -30,25 +23,7 @@ signals:
void serviceChanged(quint32 processId, int groupIndex = -1);
private:
void setupServiceMonitors();
void clearServiceMonitors();
void startServiceMonitor(
const QString &name, quint32 processId = 0, void *managerHandle = nullptr);
void stopServiceMonitor(ServiceInfoMonitor *m);
void startServiceListMonitor(void *managerHandle = nullptr);
void stopServiceListMonitor();
void onServiceStateChanged(ServiceInfo::State state, quint32 processId = 0);
void onServiceCreated(const QStringList &nameList);
private:
bool m_monitorEnabled = false;
QHash<QString, int> m_serviceGroups;
QHash<QString, ServiceInfoMonitor *> m_serviceMonitors;
ServiceListMonitor *m_serviceListMonitor = nullptr;
};
#endif // SERVICEINFOMANAGER_H

199
src/ui/serviceinfo/serviceinfomonitor.cpp
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@ -1,199 +0,0 @@
#include "serviceinfomonitor.h"
#include <QLoggingCategory>
#define WIN32_LEAN_AND_MEAN
#include <qt_windows.h>
#define asServiceHandle(h) static_cast<SC_HANDLE>((h))
#define serviceHandle() asServiceHandle(m_serviceHandle)
namespace {
const QLoggingCategory LC("serviceInfo.serviceInfoMonitor");
static void CALLBACK notifyCallback(PVOID parameter)
{
PSERVICE_NOTIFYW notify = static_cast<PSERVICE_NOTIFYW>(parameter);
ServiceInfoMonitor *m = static_cast<ServiceInfoMonitor *>(notify->pContext);
if (notify->dwNotificationStatus != ERROR_SUCCESS) {
qCDebug(LC) << "Callback error:" << m->name() << notify->dwNotificationStatus;
m->requestReopenService();
return;
}
if (notify->dwNotificationTriggered & SERVICE_NOTIFY_DELETE_PENDING) {
emit m->stateChanged(ServiceInfo::StateDeleted);
return;
}
const bool running = (notify->ServiceStatus.dwCurrentState == SERVICE_RUNNING);
m->setRunning(running);
const quint32 processId = notify->ServiceStatus.dwProcessId;
const quint32 oldProcessId = m->processId();
m->setProcessId(processId);
const ServiceInfo::State state =
running ? ServiceInfo::StateActive : ServiceInfo::StateInactive;
emit m->stateChanged(state, (running ? processId : oldProcessId));
// NotifyServiceStatusChange() must not be called from the callback
m->requestStartNotifier();
}
PSERVICE_NOTIFYW getNotifyBuffer(ServiceInfoMonitor *m)
{
auto &buffer = m->notifyBuffer();
PSERVICE_NOTIFYW notify = reinterpret_cast<PSERVICE_NOTIFYW>(buffer.data());
notify->dwVersion = SERVICE_NOTIFY_STATUS_CHANGE;
notify->pfnNotifyCallback = notifyCallback;
notify->pContext = m;
return notify;
}
}
ServiceInfoMonitor::ServiceInfoMonitor(
quint32 processId, const QString &name, void *managerHandle, QObject *parent) :
QObject(parent),
m_terminated(false),
m_isReopening(false),
m_reopenServiceRequested(false),
m_startNotifierRequested(false),
m_running(processId != 0),
m_processId(processId),
m_name(name),
m_notifyBuffer(sizeof(SERVICE_NOTIFYW))
{
openService(managerHandle);
}
ServiceInfoMonitor::~ServiceInfoMonitor()
{
terminate();
}
void ServiceInfoMonitor::terminate()
{
if (m_terminated)
return;
m_terminated = true;
closeService();
}
void ServiceInfoMonitor::requestReopenService()
{
if (m_reopenServiceRequested)
return;
m_reopenServiceRequested = true;
QMetaObject::invokeMethod(this, &ServiceInfoMonitor::reopenService, Qt::QueuedConnection);
}
void ServiceInfoMonitor::requestStartNotifier()
{
if (m_startNotifierRequested)
return;
m_startNotifierRequested = true;
QMetaObject::invokeMethod(this, &ServiceInfoMonitor::startNotifier, Qt::QueuedConnection);
}
void ServiceInfoMonitor::openService(void *managerHandle)
{
const SC_HANDLE mngr = managerHandle ? asServiceHandle(managerHandle)
: OpenSCManagerW(nullptr, nullptr, SC_MANAGER_CONNECT);
if (mngr) {
m_serviceHandle = OpenServiceW(mngr, (LPCWSTR) name().utf16(), SERVICE_QUERY_STATUS);
if (!managerHandle) {
CloseServiceHandle(mngr);
}
}
if (!m_serviceHandle) {
const DWORD res = GetLastError();
switch (res) {
case ERROR_SERVICE_MARKED_FOR_DELETE: {
emit stateChanged(ServiceInfo::StateDeleted);
} break;
default:
qCCritical(LC) << "Open service error:" << name() << res;
errorOccurred();
}
return;
}
startNotifier();
}
void ServiceInfoMonitor::closeService()
{
if (m_serviceHandle) {
CloseServiceHandle(serviceHandle());
m_serviceHandle = nullptr;
}
}
void ServiceInfoMonitor::reopenService()
{
if (m_isReopening) {
qCCritical(LC) << "Reopen service error:" << name();
errorOccurred();
return;
}
m_isReopening = true;
m_reopenServiceRequested = false;
closeService();
openService();
m_isReopening = false;
}
void ServiceInfoMonitor::startNotifier()
{
if (m_terminated)
return;
m_startNotifierRequested = false;
constexpr DWORD mask =
SERVICE_NOTIFY_STOPPED | SERVICE_NOTIFY_RUNNING | SERVICE_NOTIFY_DELETE_PENDING;
PSERVICE_NOTIFYW notify = getNotifyBuffer(this);
const DWORD res = NotifyServiceStatusChangeW(serviceHandle(), mask, notify);
if (res != ERROR_SUCCESS) {
switch (res) {
case ERROR_SERVICE_MARKED_FOR_DELETE: {
emit stateChanged(ServiceInfo::StateDeleted);
} break;
case ERROR_SERVICE_NOTIFY_CLIENT_LAGGING: {
qCDebug(LC) << "Notifier is lagging:" << name();
reopenService();
} break;
default:
qCCritical(LC) << "Start notifier error:" << name() << res;
errorOccurred();
}
}
}
void ServiceInfoMonitor::errorOccurred()
{
emit stateChanged(ServiceInfo::StateDeleted);
}

60
src/ui/serviceinfo/serviceinfomonitor.h
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@ -1,60 +0,0 @@
#ifndef SERVICEINFOMONITOR_H
#define SERVICEINFOMONITOR_H
#include <QObject>
#include "serviceinfo.h"
class ServiceInfoMonitor : public QObject
{
Q_OBJECT
public:
explicit ServiceInfoMonitor(quint32 processId, const QString &name,
void *managerHandle = nullptr, QObject *parent = nullptr);
~ServiceInfoMonitor() override;
bool running() const { return m_running; }
void setRunning(bool v) { m_running = v; }
quint32 processId() const { return m_processId; }
void setProcessId(quint32 v) { m_processId = v; }
QString name() const { return m_name; }
QVector<char> &notifyBuffer() { return m_notifyBuffer; }
signals:
void stateChanged(ServiceInfo::State state, quint32 processId = 0);
public slots:
void terminate();
void requestReopenService();
void requestStartNotifier();
private:
void openService(void *managerHandle = nullptr);
void closeService();
void reopenService();
void startNotifier();
void errorOccurred();
private:
bool m_terminated : 1;
bool m_isReopening : 1;
bool m_reopenServiceRequested : 1;
bool m_startNotifierRequested : 1;
bool m_running : 1;
quint32 m_processId = 0;
const QString m_name;
void *m_serviceHandle = nullptr;
QVector<char> m_notifyBuffer;
};
#endif // SERVICEINFOMONITOR_H

181
src/ui/serviceinfo/servicelistmonitor.cpp
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@ -1,181 +0,0 @@
#include "servicelistmonitor.h"
#include <QLoggingCategory>
#define WIN32_LEAN_AND_MEAN
#include <qt_windows.h>
#define asManagerHandle(h) static_cast<SC_HANDLE>((h))
#define managerHandle() asManagerHandle(m_managerHandle)
namespace {
const QLoggingCategory LC("serviceInfo.serviceListMonitor");
static QStringList parseServiceNames(LPWSTR pszServiceNames)
{
QStringList list;
PWSTR name = pszServiceNames;
for (;;) {
if (name[0] == '\0')
break;
Q_ASSERT(name[0] == '/');
++name; // Skip the leading '/' for created services
const QString nameStr = QString::fromWCharArray(name);
name += nameStr.length() + 1;
list.append(nameStr);
}
LocalFree(pszServiceNames);
return list;
}
static void CALLBACK notifyCallback(PVOID parameter)
{
PSERVICE_NOTIFYW notify = static_cast<PSERVICE_NOTIFYW>(parameter);
ServiceListMonitor *m = static_cast<ServiceListMonitor *>(notify->pContext);
if (notify->dwNotificationStatus != ERROR_SUCCESS) {
qCDebug(LC) << "Callback error:" << notify->dwNotificationStatus;
m->requestReopenManager();
return;
}
const QStringList nameList =
notify->pszServiceNames ? parseServiceNames(notify->pszServiceNames) : QStringList();
if (!nameList.isEmpty()) {
emit m->serviceCreated(nameList);
}
// NotifyServiceStatusChange() must not be called from the callback
m->requestStartNotifier();
}
PSERVICE_NOTIFYW getNotifyBuffer(ServiceListMonitor *m)
{
auto &buffer = m->notifyBuffer();
PSERVICE_NOTIFYW notify = reinterpret_cast<PSERVICE_NOTIFYW>(buffer.data());
notify->dwVersion = SERVICE_NOTIFY_STATUS_CHANGE;
notify->pfnNotifyCallback = notifyCallback;
notify->pContext = m;
return notify;
}
}
ServiceListMonitor::ServiceListMonitor(void *managerHandle, QObject *parent) :
QObject(parent),
m_terminated(false),
m_isReopening(false),
m_reopenManagerRequested(false),
m_startNotifierRequested(false),
m_managerHandle(managerHandle),
m_notifyBuffer(sizeof(SERVICE_NOTIFYW))
{
openManager();
}
ServiceListMonitor::~ServiceListMonitor()
{
terminate();
}
void ServiceListMonitor::terminate()
{
if (m_terminated)
return;
m_terminated = true;
closeManager();
}
void ServiceListMonitor::requestReopenManager()
{
if (m_reopenManagerRequested)
return;
m_reopenManagerRequested = true;
QMetaObject::invokeMethod(this, &ServiceListMonitor::reopenManager, Qt::QueuedConnection);
}
void ServiceListMonitor::requestStartNotifier()
{
if (m_startNotifierRequested)
return;
m_startNotifierRequested = true;
QMetaObject::invokeMethod(this, &ServiceListMonitor::startNotifier, Qt::QueuedConnection);
}
void ServiceListMonitor::openManager()
{
if (!m_managerHandle) {
m_managerHandle = OpenSCManagerW(nullptr, nullptr, SC_MANAGER_ENUMERATE_SERVICE);
if (!m_managerHandle) {
qCCritical(LC) << "Open manager error:" << GetLastError();
emit errorOccurred();
return;
}
}
startNotifier();
}
void ServiceListMonitor::closeManager()
{
if (m_managerHandle) {
CloseServiceHandle(managerHandle());
m_managerHandle = nullptr;
}
}
void ServiceListMonitor::reopenManager()
{
if (m_isReopening) {
qCCritical(LC) << "Reopen manager error";
emit errorOccurred();
return;
}
m_isReopening = true;
m_reopenManagerRequested = false;
closeManager();
openManager();
m_isReopening = false;
}
void ServiceListMonitor::startNotifier()
{
if (m_terminated)
return;
m_startNotifierRequested = false;
constexpr DWORD mask = SERVICE_NOTIFY_CREATED;
PSERVICE_NOTIFYW notify = getNotifyBuffer(this);
const DWORD res = NotifyServiceStatusChangeW(managerHandle(), mask, notify);
if (res != ERROR_SUCCESS) {
switch (res) {
case ERROR_SERVICE_NOTIFY_CLIENT_LAGGING: {
qCDebug(LC) << "Notifier is lagging";
reopenManager();
} break;
default:
qCCritical(LC) << "Start notifier error:" << res;
emit errorOccurred();
}
}
}

43
src/ui/serviceinfo/servicelistmonitor.h
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@ -1,43 +0,0 @@
#ifndef SERVICELISTMONITOR_H
#define SERVICELISTMONITOR_H
#include <QObject>
class ServiceListMonitor : public QObject
{
Q_OBJECT
public:
explicit ServiceListMonitor(void *managerHandle = nullptr, QObject *parent = nullptr);
~ServiceListMonitor() override;
QVector<char> &notifyBuffer() { return m_notifyBuffer; }
signals:
void serviceCreated(const QStringList &nameList);
void errorOccurred();
public slots:
void terminate();
void requestReopenManager();
void requestStartNotifier();
private:
void openManager();
void closeManager();
void reopenManager();
void startNotifier();
private:
bool m_terminated : 1;
bool m_isReopening : 1;
bool m_reopenManagerRequested : 1;
bool m_startNotifierRequested : 1;
void *m_managerHandle = nullptr;
QVector<char> m_notifyBuffer;
};
#endif // SERVICELISTMONITOR_H