473 lines
15 KiB
C++
473 lines
15 KiB
C++
#include "qtimer.h"
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#include <QApplication>
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#include <QDebug>
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#include <QFile>
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#include <QHostInfo>
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#include <QJsonObject>
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#include <configurators/openvpn_configurator.h>
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#include <configurators/cloak_configurator.h>
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#include <configurators/shadowsocks_configurator.h>
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#include <configurators/wireguard_configurator.h>
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#include <configurators/vpn_configurator.h>
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#include <core/servercontroller.h>
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#ifdef AMNEZIA_DESKTOP
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#include "ipc.h"
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#include "core/ipcclient.h"
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#include <protocols/wireguardprotocol.h>
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#endif
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#ifdef Q_OS_ANDROID
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#include "../../platforms/android/android_controller.h"
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#endif
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#ifdef Q_OS_IOS
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#include <protocols/ios_vpnprotocol.h>
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#endif
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#include "utilities.h"
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#include "vpnconnection.h"
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VpnConnection::VpnConnection(std::shared_ptr<Settings> settings,
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std::shared_ptr<VpnConfigurator> configurator,
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std::shared_ptr<ServerController> serverController, QObject* parent) : QObject(parent),
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m_settings(settings),
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m_configurator(configurator),
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m_serverController(serverController),
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m_isIOSConnected(false)
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{
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}
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VpnConnection::~VpnConnection()
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{
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if (m_vpnProtocol != nullptr) {
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m_vpnProtocol->deleteLater();
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m_vpnProtocol.clear();
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}
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}
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void VpnConnection::onBytesChanged(quint64 receivedBytes, quint64 sentBytes)
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{
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emit bytesChanged(receivedBytes, sentBytes);
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}
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void VpnConnection::onConnectionStateChanged(VpnProtocol::VpnConnectionState state)
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{
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#ifdef AMNEZIA_DESKTOP
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if (IpcClient::Interface()) {
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if (state == VpnProtocol::Connected){
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IpcClient::Interface()->resetIpStack();
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IpcClient::Interface()->flushDns();
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if (m_settings->routeMode() != Settings::VpnAllSites) {
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IpcClient::Interface()->routeDeleteList(m_vpnProtocol->vpnGateway(), QStringList() << "0.0.0.0");
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//qDebug() << "VpnConnection::onConnectionStateChanged :: adding custom routes, count:" << forwardIps.size();
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}
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QString dns1 = m_vpnConfiguration.value(config_key::dns1).toString();
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QString dns2 = m_vpnConfiguration.value(config_key::dns1).toString();
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IpcClient::Interface()->routeAddList(m_vpnProtocol->vpnGateway(),
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QStringList() << dns1 << dns2);
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if (m_settings->routeMode() == Settings::VpnOnlyForwardSites) {
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QTimer::singleShot(1000, m_vpnProtocol.data(), [this](){
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addSitesRoutes(m_vpnProtocol->vpnGateway(), m_settings->routeMode());
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});
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}
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else if (m_settings->routeMode() == Settings::VpnAllExceptSites) {
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IpcClient::Interface()->routeAddList(m_vpnProtocol->vpnGateway(), QStringList() << "0.0.0.0/1");
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IpcClient::Interface()->routeAddList(m_vpnProtocol->vpnGateway(), QStringList() << "128.0.0.0/1");
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IpcClient::Interface()->routeAddList(m_vpnProtocol->routeGateway(), QStringList() << remoteAddress());
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addSitesRoutes(m_vpnProtocol->routeGateway(), m_settings->routeMode());
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}
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}
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else if (state == VpnProtocol::Error) {
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IpcClient::Interface()->flushDns();
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if (m_settings->routeMode() == Settings::VpnOnlyForwardSites) {
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IpcClient::Interface()->clearSavedRoutes();
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}
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}
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}
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#endif
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#ifdef Q_OS_IOS
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if (state == VpnProtocol::Connected){
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m_isIOSConnected = true;
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checkIOSStatus();
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}
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else {
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m_isIOSConnected = false;
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// m_receivedBytes = 0;
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// m_sentBytes = 0;
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}
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#endif
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emit connectionStateChanged(state);
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}
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#ifdef Q_OS_IOS
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void VpnConnection::checkIOSStatus()
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{
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QTimer::singleShot(1000, [this]() {
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if(m_isIOSConnected){
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iosVpnProtocol->checkStatus();
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checkIOSStatus();
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}
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} );
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}
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#endif
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const QString &VpnConnection::remoteAddress() const
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{
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return m_remoteAddress;
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}
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void VpnConnection::addSitesRoutes(const QString &gw, Settings::RouteMode mode)
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{
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#ifdef AMNEZIA_DESKTOP
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QStringList ips;
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QStringList sites;
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const QVariantMap &m = m_settings->vpnSites(mode);
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for (auto i = m.constBegin(); i != m.constEnd(); ++i) {
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if (Utils::checkIpSubnetFormat(i.key())) {
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ips.append(i.key());
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}
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else {
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if (Utils::checkIpSubnetFormat(i.value().toString())) {
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ips.append(i.value().toString());
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}
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sites.append(i.key());
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}
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}
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ips.removeDuplicates();
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// add all IPs immediately
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IpcClient::Interface()->routeAddList(gw, ips);
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// re-resolve domains
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for (const QString &site: sites) {
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const auto &cbResolv = [this, site, gw, mode, ips](const QHostInfo &hostInfo){
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const QList<QHostAddress> &addresses = hostInfo.addresses();
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QString ipv4Addr;
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for (const QHostAddress &addr: hostInfo.addresses()) {
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if (addr.protocol() == QAbstractSocket::NetworkLayerProtocol::IPv4Protocol) {
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const QString &ip = addr.toString();
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//qDebug() << "VpnConnection::addSitesRoutes updating site" << site << ip;
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if (!ips.contains(ip)) {
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IpcClient::Interface()->routeAddList(gw, QStringList() << ip);
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m_settings->addVpnSite(mode, site, ip);
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}
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flushDns();
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break;
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}
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}
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};
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QHostInfo::lookupHost(site, this, cbResolv);
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}
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#endif
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}
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QSharedPointer<VpnProtocol> VpnConnection::vpnProtocol() const
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{
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return m_vpnProtocol;
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}
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void VpnConnection::addRoutes(const QStringList &ips)
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{
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#ifdef AMNEZIA_DESKTOP
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if (connectionState() == VpnProtocol::Connected && IpcClient::Interface()) {
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if (m_settings->routeMode() == Settings::VpnOnlyForwardSites) {
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IpcClient::Interface()->routeAddList(m_vpnProtocol->vpnGateway(), ips);
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}
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else if (m_settings->routeMode() == Settings::VpnAllExceptSites) {
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IpcClient::Interface()->routeAddList(m_vpnProtocol->routeGateway(), ips);
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}
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}
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#endif
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}
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void VpnConnection::deleteRoutes(const QStringList &ips)
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{
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#ifdef AMNEZIA_DESKTOP
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if (connectionState() == VpnProtocol::Connected && IpcClient::Interface()) {
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if (m_settings->routeMode() == Settings::VpnOnlyForwardSites) {
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IpcClient::Interface()->routeDeleteList(vpnProtocol()->vpnGateway(), ips);
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}
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else if (m_settings->routeMode() == Settings::VpnAllExceptSites) {
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IpcClient::Interface()->routeDeleteList(m_vpnProtocol->routeGateway(), ips);
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}
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}
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#endif
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}
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void VpnConnection::flushDns()
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{
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#ifdef AMNEZIA_DESKTOP
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if (IpcClient::Interface()) IpcClient::Interface()->flushDns();
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#endif
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}
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ErrorCode VpnConnection::lastError() const
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{
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if (!m_vpnProtocol.data()) {
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return ErrorCode::InternalError;
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}
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return m_vpnProtocol.data()->lastError();
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}
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QMap<Proto, QString> VpnConnection::getLastVpnConfig(const QJsonObject &containerConfig)
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{
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QMap<Proto, QString> configs;
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for (Proto proto: ProtocolProps::allProtocols()) {
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QString cfg = containerConfig.value(ProtocolProps::protoToString(proto)).toObject().value(config_key::last_config).toString();
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if (!cfg.isEmpty()) configs.insert(proto, cfg);
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}
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return configs;
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}
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QString VpnConnection::createVpnConfigurationForProto(int serverIndex,
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const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig, Proto proto,
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ErrorCode *errorCode)
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{
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ErrorCode e = ErrorCode::NoError;
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QMap<Proto, QString> lastVpnConfig = getLastVpnConfig(containerConfig);
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QString configData;
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if (lastVpnConfig.contains(proto)) {
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configData = lastVpnConfig.value(proto);
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configData = m_configurator->processConfigWithLocalSettings(serverIndex, container, proto, configData);
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}
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else {
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configData = m_configurator->genVpnProtocolConfig(credentials,
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container, containerConfig, proto, &e);
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QString configDataBeforeLocalProcessing = configData;
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configData = m_configurator->processConfigWithLocalSettings(serverIndex, container, proto, configData);
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if (errorCode && e) {
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*errorCode = e;
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return "";
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}
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if (serverIndex >= 0) {
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qDebug() << "VpnConnection::createVpnConfiguration: saving config for server #" << serverIndex << container << proto;
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QJsonObject protoObject = m_settings->protocolConfig(serverIndex, container, proto);
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protoObject.insert(config_key::last_config, configDataBeforeLocalProcessing);
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m_settings->setProtocolConfig(serverIndex, container, proto, protoObject);
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}
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}
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if (errorCode) *errorCode = e;
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return configData;
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}
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QJsonObject VpnConnection::createVpnConfiguration(int serverIndex,
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const ServerCredentials &credentials, DockerContainer container,
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const QJsonObject &containerConfig, ErrorCode *errorCode)
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{
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ErrorCode e = ErrorCode::NoError;
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QJsonObject vpnConfiguration;
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for (ProtocolEnumNS::Proto proto : ContainerProps::protocolsForContainer(container)) {
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QJsonObject vpnConfigData = QJsonDocument::fromJson(
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createVpnConfigurationForProto(
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serverIndex, credentials, container, containerConfig, proto, &e).toUtf8()).
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object();
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if (e) {
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if (errorCode) *errorCode = e;
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return {};
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}
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vpnConfiguration.insert(ProtocolProps::key_proto_config_data(proto), vpnConfigData);
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}
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Proto proto = ContainerProps::defaultProtocol(container);
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vpnConfiguration[config_key::vpnproto] = ProtocolProps::protoToString(proto);
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auto dns = m_configurator->getDnsForConfig(serverIndex);
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vpnConfiguration[config_key::dns1] = dns.first;
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vpnConfiguration[config_key::dns2] = dns.second;
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return vpnConfiguration;
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}
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void VpnConnection::connectToVpn(int serverIndex,
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const ServerCredentials &credentials, DockerContainer container, const QJsonObject &containerConfig)
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{
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qDebug() << QString("ConnectToVpn, Server index is %1, container is %2, route mode is")
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.arg(serverIndex).arg(ContainerProps::containerToString(container)) << m_settings->routeMode();
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#if !defined (Q_OS_ANDROID) && !defined (Q_OS_IOS)
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if (!m_IpcClient) {
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m_IpcClient = new IpcClient(this);
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}
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if (!m_IpcClient->isSocketConnected()) {
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if (!IpcClient::init(m_IpcClient)) {
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qWarning() << "Error occurred when init IPC client";
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emit serviceIsNotReady();
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emit connectionStateChanged(VpnProtocol::Error);
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return;
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}
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}
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#endif
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m_remoteAddress = credentials.hostName;
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emit connectionStateChanged(VpnProtocol::Connecting);
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if (m_vpnProtocol) {
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disconnect(m_vpnProtocol.data(), &VpnProtocol::protocolError, this, &VpnConnection::vpnProtocolError);
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m_vpnProtocol->stop();
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m_vpnProtocol.reset();
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}
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ErrorCode e = ErrorCode::NoError;
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m_vpnConfiguration = createVpnConfiguration(serverIndex, credentials, container, containerConfig);
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if (e) {
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emit connectionStateChanged(VpnProtocol::Error);
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return;
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}
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#if !defined (Q_OS_ANDROID) && !defined (Q_OS_IOS)
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m_vpnProtocol.reset(VpnProtocol::factory(container, m_vpnConfiguration));
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if (!m_vpnProtocol) {
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emit VpnProtocol::Error;
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return;
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}
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m_vpnProtocol->prepare();
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#elif defined Q_OS_ANDROID
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androidVpnProtocol = createDefaultAndroidVpnProtocol(container);
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createAndroidConnections(container);
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m_vpnProtocol.reset(androidVpnProtocol);
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#elif defined Q_OS_IOS
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Proto proto = ContainerProps::defaultProtocol(container);
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//if (iosVpnProtocol==NULL) {
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iosVpnProtocol = new IOSVpnProtocol(proto, m_vpnConfiguration);
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//}
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// IOSVpnProtocol *iosVpnProtocol = new IOSVpnProtocol(proto, m_vpnConfiguration);
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if (!iosVpnProtocol->initialize()) {
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qDebug() << QString("Init failed") ;
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emit VpnProtocol::Error;
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return;
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}
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m_vpnProtocol.reset(iosVpnProtocol);
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#endif
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createProtocolConnections();
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e = m_vpnProtocol.data()->start();
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if (e) emit VpnProtocol::Error;
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}
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void VpnConnection::createProtocolConnections() {
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connect(m_vpnProtocol.data(), &VpnProtocol::protocolError, this, &VpnConnection::vpnProtocolError);
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connect(m_vpnProtocol.data(), SIGNAL(connectionStateChanged(VpnProtocol::VpnConnectionState)), this, SLOT(onConnectionStateChanged(VpnProtocol::VpnConnectionState)));
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connect(m_vpnProtocol.data(), SIGNAL(bytesChanged(quint64, quint64)), this, SLOT(onBytesChanged(quint64, quint64)));
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}
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#ifdef Q_OS_ANDROID
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void VpnConnection::restoreConnection() {
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createAndroidConnections();
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m_vpnProtocol.reset(androidVpnProtocol);
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createProtocolConnections();
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}
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void VpnConnection::createAndroidConnections()
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{
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int serverIndex = m_settings->defaultServerIndex();
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DockerContainer container = m_settings->defaultContainer(serverIndex);
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createAndroidConnections(container);
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}
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void VpnConnection::createAndroidConnections(DockerContainer container)
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{
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androidVpnProtocol = createDefaultAndroidVpnProtocol(container);
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connect(AndroidController::instance(), &AndroidController::connectionStateChanged, androidVpnProtocol, &AndroidVpnProtocol::setConnectionState);
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connect(AndroidController::instance(), &AndroidController::statusUpdated, androidVpnProtocol, &AndroidVpnProtocol::connectionDataUpdated);
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}
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AndroidVpnProtocol* VpnConnection::createDefaultAndroidVpnProtocol(DockerContainer container)
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{
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Proto proto = ContainerProps::defaultProtocol(container);
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AndroidVpnProtocol *androidVpnProtocol = new AndroidVpnProtocol(proto, m_vpnConfiguration);
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return androidVpnProtocol;
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}
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#endif
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QString VpnConnection::bytesPerSecToText(quint64 bytes)
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{
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double mbps = bytes * 8 / 1e6;
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return QString("%1 %2").arg(QString::number(mbps, 'f', 2)).arg(tr("Mbps")); // Mbit/s
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}
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void VpnConnection::disconnectFromVpn()
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{
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#ifdef AMNEZIA_DESKTOP
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if (IpcClient::Interface()) {
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IpcClient::Interface()->flushDns();
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// delete cached routes
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QRemoteObjectPendingReply<bool> response = IpcClient::Interface()->clearSavedRoutes();
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response.waitForFinished(1000);
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}
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#endif
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if (!m_vpnProtocol.data()) {
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emit connectionStateChanged(VpnProtocol::Disconnected);
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#ifdef Q_OS_ANDROID
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AndroidController::instance()->stop();
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#endif
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return;
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}
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m_vpnProtocol.data()->stop();
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}
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VpnProtocol::VpnConnectionState VpnConnection::connectionState()
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{
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if (!m_vpnProtocol) return VpnProtocol::Disconnected;
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return m_vpnProtocol->connectionState();
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}
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bool VpnConnection::isConnected() const
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{
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#ifdef Q_OS_IOS
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#endif
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if (!m_vpnProtocol.data()) {
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return false;
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}
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return m_vpnProtocol.data()->isConnected();
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}
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bool VpnConnection::isDisconnected() const
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{
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if (!m_vpnProtocol.data()) {
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return true;
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}
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return m_vpnProtocol.data()->isDisconnected();
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}
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