fix: flush dns after in connected status

client/CMakeLists.txt

@@ -174,6 +174,15 @@ endif()
 if(LINUX AND NOT ANDROID)
     set(LIBS ${LIBS} -static-libstdc++ -static-libgcc -ldl)
     link_directories(${CMAKE_CURRENT_LIST_DIR}/platforms/linux)
+
+    set(HEADERS ${HEADERS}
+        ${CMAKE_CURRENT_LIST_DIR}/protocols/ikev2_vpn_protocol_linux.h
+    )
+    
+    set(SOURCES ${SOURCES}
+        ${CMAKE_CURRENT_LIST_DIR}/protocols/ikev2_vpn_protocol_linux.cpp
+    )
+
 endif()
 
 if(WIN32 OR (APPLE AND NOT IOS AND NOT MACOS_NE) OR (LINUX AND NOT ANDROID))

client/configurators/ikev2_configurator.cpp

@@ -64,6 +64,26 @@ QString Ikev2Configurator::createConfig(const ServerCredentials &credentials, Do
         return "";
     }
 
+#if defined(Q_OS_LINUX)
+    QString config = m_serverController->replaceVars(amnezia::scriptData(ProtocolScriptType::ipsec_template, container),
+                                                     m_serverController->genVarsForScript(credentials, container, containerConfig));
+
+    config.replace("$CLIENT_NAME", connData.clientId);
+    config.replace("$UUID1", QUuid::createUuid().toString());
+    config.replace("$SERVER_ADDR", connData.host);
+
+    QJsonObject jConfig;
+    jConfig[config_key::config] = config;
+
+    jConfig[config_key::hostName] = connData.host;
+    jConfig[config_key::userName] = connData.clientId;
+    jConfig[config_key::cert] = QString(connData.clientCert.toBase64());
+    jConfig[config_key::cacert] = QString(connData.caCert);
+    jConfig[config_key::password] = connData.password;
+
+    return QJsonDocument(jConfig).toJson();
+#endif
+
     return genIkev2Config(connData);
 }
 
@@ -73,6 +93,7 @@ QString Ikev2Configurator::genIkev2Config(const ConnectionData &connData)
     config[config_key::hostName] = connData.host;
     config[config_key::userName] = connData.clientId;
     config[config_key::cert] = QString(connData.clientCert.toBase64());
+    config[config_key::cacert] = QString(connData.caCert);
     config[config_key::password] = connData.password;
 
     return QJsonDocument(config).toJson();
@@ -115,3 +136,22 @@ QString Ikev2Configurator::genStrongSwanConfig(const ConnectionData &connData)
 
     return config;
 }
+
+QString Ikev2Configurator::processConfigWithLocalSettings(const QPair<QString, QString> &dns, const bool isApiConfig,
+                                                              QString &protocolConfigString)
+{
+    processConfigWithDnsSettings(dns, protocolConfigString);
+
+    QJsonObject json;
+    json[config_key::config] = protocolConfigString;
+    return QJsonDocument(json).toJson();
+}
+
+QString Ikev2Configurator::processConfigWithExportSettings(const QPair<QString, QString> &dns, const bool isApiConfig,
+                                                               QString &protocolConfigString)
+{
+    processConfigWithDnsSettings(dns, protocolConfigString);
+    QJsonObject json;
+    json[config_key::config] = protocolConfigString;
+    return QJsonDocument(json).toJson();
+}

client/configurators/ikev2_configurator.h

@@ -27,6 +27,10 @@ public:
     QString genIkev2Config(const ConnectionData &connData);
     QString genMobileConfig(const ConnectionData &connData);
     QString genStrongSwanConfig(const ConnectionData &connData);
+    QString genIPSecConfig(const ConnectionData &connData);
+
+    QString processConfigWithLocalSettings(const QPair<QString, QString> &dns, const bool isApiConfig, QString &protocolConfigString);
+    QString processConfigWithExportSettings(const QPair<QString, QString> &dns, const bool isApiConfig, QString &protocolConfigString);
 
     ConnectionData prepareIkev2Config(const ServerCredentials &credentials,
         DockerContainer container, ErrorCode &errorCode);

client/containers/containers_defs.cpp

@@ -257,7 +257,7 @@ Proto ContainerProps::defaultProtocol(DockerContainer c)
 
 bool ContainerProps::isSupportedByCurrentPlatform(DockerContainer c)
 {
-#ifdef Q_OS_WINDOWS
+#if defined(Q_OS_WINDOWS) || defined(Q_OS_LINUX)
     return true;
 
 #elif defined(Q_OS_IOS)
@@ -306,13 +306,6 @@ bool ContainerProps::isSupportedByCurrentPlatform(DockerContainer c)
     case DockerContainer::SSXray: return true;
     default: return false;
     }
-
-#elif defined(Q_OS_LINUX)
-    switch (c) {
-    case DockerContainer::Ipsec: return false;
-    default: return true;
-    }
-
 #else
     return false;
 #endif

client/core/controllers/gatewayController.cpp

@@ -3,22 +3,11 @@
 #include <algorithm>
 #include <random>
 
-#include <QEventLoop>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QJsonObject>
-#include <QMetaObject>
 #include <QNetworkReply>
-#include <QNetworkRequest>
-#include <QRandomGenerator>
-#include <QDataStream>
-#include <QSslConfiguration>
-#include <QSslSocket>
-#include <QRemoteObjectPendingReply>
-#include <QThread>
 #include <QUrl>
-#include <QtEndian>
-#include <QDebug>
 
 #include "QBlockCipher.h"
 #include "QRsa.h"
@@ -77,15 +66,10 @@ ErrorCode GatewayController::get(const QString &endpoint, QByteArray &responseBo
     // bypass killSwitch exceptions for API-gateway
 #ifdef AMNEZIA_DESKTOP
     if (m_isStrictKillSwitchEnabled) {
-        const QUrl originalUrl = request.url();
-        const QString originalHost = originalUrl.host();
-        const QString resolvedIp = addKillSwitchExceptionForUrl(originalUrl);
-        if (!resolvedIp.isEmpty() && resolvedIp != originalHost) {
-            QUrl ipUrl = originalUrl;
-            ipUrl.setHost(resolvedIp);
-            request.setUrl(ipUrl);
-            request.setPeerVerifyName(originalHost);
-            request.setRawHeader("Host", originalHost.toUtf8());
+        QString host = QUrl(request.url()).host();
+        QString ip = NetworkUtilities::getIPAddress(host);
+        if (!ip.isEmpty()) {
+            IpcClient::Interface()->addKillSwitchAllowedRange(QStringList { ip });
         }
     }
 #endif
@@ -144,15 +128,10 @@ ErrorCode GatewayController::post(const QString &endpoint, const QJsonObject api
     // bypass killSwitch exceptions for API-gateway
 #ifdef AMNEZIA_DESKTOP
     if (m_isStrictKillSwitchEnabled) {
-        const QUrl originalUrl = request.url();
-        const QString originalHost = originalUrl.host();
-        const QString resolvedIp = addKillSwitchExceptionForUrl(originalUrl);
-        if (!resolvedIp.isEmpty() && resolvedIp != originalHost) {
-            QUrl ipUrl = originalUrl;
-            ipUrl.setHost(resolvedIp);
-            request.setUrl(ipUrl);
-            request.setPeerVerifyName(originalHost);
-            request.setRawHeader("Host", originalHost.toUtf8());
+        QString host = QUrl(request.url()).host();
+        QString ip = NetworkUtilities::getIPAddress(host);
+        if (!ip.isEmpty()) {
+            IpcClient::Interface()->addKillSwitchAllowedRange(QStringList { ip });
         }
     }
 #endif
@@ -383,344 +362,3 @@ void GatewayController::bypassProxy(const QString &endpoint, QNetworkReply *repl
         }
     }
 }
-
-QString GatewayController::addKillSwitchExceptionForUrl(const QUrl &url)
-{
-#ifdef AMNEZIA_DESKTOP
-    const QString host = url.host();
-    if (host.isEmpty()) {
-        return {};
-    }
-
-    const QString resolvedIp = resolveHost(host);
-    if (resolvedIp.isEmpty()) {
-        qWarning() << "Failed to resolve host for KillSwitch exception" << host;
-        return {};
-    }
-
-    if (!addKillSwitchException(QStringList { resolvedIp })) {
-        qWarning() << "Failed to add KillSwitch exception" << resolvedIp;
-        return {};
-    }
-    return resolvedIp;
-#else
-    Q_UNUSED(url);
-    return {};
-#endif
-}
-
-QString GatewayController::resolveHost(const QString &host)
-{
-#ifdef AMNEZIA_DESKTOP
-    if (!m_isStrictKillSwitchEnabled) {
-        return NetworkUtilities::getIPAddress(host);
-    }
-
-    QString resolvedIp = NetworkUtilities::getIPAddress(host);
-    if (!resolvedIp.isEmpty()) {
-        return resolvedIp;
-    }
-
-    qDebug() << "resolveHost: falling back to resolveHostViaOpenDns" << host;
-    resolvedIp = resolveHostViaOpenDns(host);
-    if (!resolvedIp.isEmpty()) {
-        return resolvedIp;
-    }
-    qWarning() << "OpenDNS fallback failed" << host;
-    qDebug() << "resolveHost: falling back to resolveHostViaQuad9" << host;
-    resolvedIp = resolveHostViaQuad9(host);
-    if (resolvedIp.isEmpty()) {
-        qWarning() << "Quad9 fallback failed" << host;
-    }
-    return resolvedIp;
-#else
-    return NetworkUtilities::getIPAddress(host);
-#endif
-}
-
-#ifdef AMNEZIA_DESKTOP
-bool GatewayController::addKillSwitchException(const QStringList &ranges)
-{
-    auto ipcInterface = IpcClient::Interface();
-    if (!ipcInterface) {
-        qWarning() << "IPC interface is null, cannot add KillSwitch exception";
-        return false;
-    }
-
-    const auto waitForReply = [](QRemoteObjectPendingReply<bool> reply) -> bool {
-        if (!reply.waitForFinished()) {
-            qWarning() << "Timed out waiting for KillSwitch exception reply";
-            return false;
-        }
-        return reply.returnValue();
-    };
-
-    QRemoteObjectPendingReply<bool> reply;
-    if (ipcInterface->thread() == QThread::currentThread()) {
-        reply = ipcInterface->addKillSwitchAllowedRange(ranges);
-    } else {
-        const bool invoked = QMetaObject::invokeMethod(ipcInterface.data(),
-                                                       [&reply, ipcInterface, ranges]() {
-                                                           reply = ipcInterface->addKillSwitchAllowedRange(ranges);
-                                                       },
-                                                       Qt::BlockingQueuedConnection);
-
-        if (!invoked) {
-            qWarning() << "Failed to invoke KillSwitch exception update via queued connection";
-            return false;
-        }
-    }
-
-    const bool result = waitForReply(reply);
-    return result;
-}
-
-bool GatewayController::removeKillSwitchException(const QStringList &ranges)
-{
-    auto ipcInterface = IpcClient::Interface();
-    if (!ipcInterface) {
-        qWarning() << "IPC interface is null, cannot remove KillSwitch exception";
-        return false;
-    }
-
-    const auto waitForReply = [](QRemoteObjectPendingReply<bool> reply) -> bool {
-        if (!reply.waitForFinished()) {
-            qWarning() << "Timed out waiting for KillSwitch removal reply";
-            return false;
-        }
-        return reply.returnValue();
-    };
-
-    QRemoteObjectPendingReply<bool> reply;
-    if (ipcInterface->thread() == QThread::currentThread()) {
-        reply = ipcInterface->removeKillSwitchAllowedRange(ranges);
-    } else {
-        const bool invoked = QMetaObject::invokeMethod(ipcInterface.data(),
-                                                       [&reply, ipcInterface, ranges]() {
-                                                           reply = ipcInterface->removeKillSwitchAllowedRange(ranges);
-                                                       },
-                                                       Qt::BlockingQueuedConnection);
-        if (!invoked) {
-            qWarning() << "Failed to invoke KillSwitch removal via queued connection";
-            return false;
-        }
-    }
-
-    const bool result = waitForReply(reply);
-    return result;
-}
-
-QString GatewayController::resolveHostViaOpenDns(const QString &host)
-{
-    const QString fallbackIp = QStringLiteral("146.112.41.2");
-    const QString dohHostname = QStringLiteral("doh.opendns.com");
-    const QUrl dohEndpoint(QStringLiteral("https://%1/dns-query").arg(fallbackIp));
-
-    if (!addKillSwitchException(QStringList { fallbackIp })) {
-        qWarning() << "Failed to add fallback KillSwitch exception" << fallbackIp;
-    }
-
-    QNetworkRequest request(dohEndpoint);
-    request.setHeader(QNetworkRequest::ContentTypeHeader, QStringLiteral("application/dns-message"));
-    request.setRawHeader("Accept", "application/dns-message");
-    request.setRawHeader("Host", dohHostname.toUtf8());
-    request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
-
-    request.setPeerVerifyName(dohHostname);
-
-    QByteArray payload = buildDnsQuery(host);
-
-    QNetworkReply *reply = amnApp->networkManager()->post(request, payload);
-    if (!reply) {
-        qWarning() << "Failed to create DoH request" << host;
-        return {};
-    }
-
-    QEventLoop loop;
-    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
-    loop.exec();
-
-    QByteArray dnsResponse;
-    if (reply->error() == QNetworkReply::NoError) {
-        dnsResponse = reply->readAll();
-    } else {
-        qWarning() << "DoH request failed" << host << reply->errorString();
-    }
-
-    reply->deleteLater();
-
-    if (dnsResponse.isEmpty()) {
-        return {};
-    }
-
-    const QString resolvedIp = parseDnsResponse(dnsResponse);
-    return resolvedIp;
-}
-
-QString GatewayController::resolveHostViaQuad9(const QString &host)
-{
-    const QString dohHostname = QStringLiteral("dns.quad9.net");
-    const QString fallbackIp = QStringLiteral("149.112.112.112");
-
-    QByteArray payload = buildDnsQuery(host);
-
-    const QUrl dohEndpoint(QStringLiteral("https://%1/dns-query").arg(fallbackIp));
-
-    if (!addKillSwitchException(QStringList { fallbackIp })) {
-        qWarning() << "resolveHostViaQuad9: failed to add KillSwitch exception" << fallbackIp;
-    }
-
-    QNetworkRequest request(dohEndpoint);
-    request.setHeader(QNetworkRequest::ContentTypeHeader, QStringLiteral("application/dns-message"));
-    request.setRawHeader("Accept", "application/dns-message");
-    request.setRawHeader("Host", dohHostname.toUtf8());
-    request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
-    request.setPeerVerifyName(dohHostname);
-
-    QNetworkReply *reply = amnApp->networkManager()->post(request, payload);
-    if (!reply) {
-        qWarning() << "resolveHostViaQuad9: failed to create DoH request" << host << fallbackIp;
-        return {};
-    }
-
-    QEventLoop loop;
-    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
-    loop.exec();
-
-    QByteArray dnsResponse;
-    if (reply->error() == QNetworkReply::NoError) {
-        dnsResponse = reply->readAll();
-    } else {
-        qWarning() << "resolveHostViaQuad9: DoH request failed" << host << fallbackIp << reply->errorString();
-    }
-
-    reply->deleteLater();
-
-    if (dnsResponse.isEmpty()) {
-        return {};
-    }
-
-    const QString resolvedIp = parseDnsResponse(dnsResponse);
-    return resolvedIp;
-}
-
-QByteArray GatewayController::buildDnsQuery(const QString &host) const
-{
-    QByteArray query;
-    QDataStream stream(&query, QIODevice::WriteOnly);
-    stream.setByteOrder(QDataStream::BigEndian);
-
-    quint16 transactionId = QRandomGenerator::system()->generate();
-    stream << transactionId;
-    stream << static_cast<quint16>(0x0100); // standard query with recursion desired
-    stream << static_cast<quint16>(1);      // QDCOUNT
-    stream << static_cast<quint16>(0);      // ANCOUNT
-    stream << static_cast<quint16>(0);      // NSCOUNT
-    stream << static_cast<quint16>(0);      // ARCOUNT
-
-    const QByteArray hostUtf8 = host.toUtf8();
-    const QList<QByteArray> labels = hostUtf8.split('.');
-    for (const QByteArray &label : labels) {
-        stream << static_cast<quint8>(label.size());
-        stream.writeRawData(label.constData(), label.size());
-    }
-    stream << static_cast<quint8>(0); // end of QNAME
-
-    stream << static_cast<quint16>(1); // QTYPE A
-    stream << static_cast<quint16>(1); // QCLASS IN
-
-    return query;
-}
-
-QString GatewayController::parseDnsResponse(const QByteArray &response) const
-{
-    if (response.size() < 12) {
-        qWarning() << "DNS response too short" << response.size();
-        return {};
-    }
-
-    QDataStream stream(response);
-    stream.setByteOrder(QDataStream::BigEndian);
-
-    quint16 transactionId;
-    quint16 flags;
-    quint16 qdCount;
-    quint16 anCount;
-    quint16 nsCount;
-    quint16 arCount;
-
-    stream >> transactionId >> flags >> qdCount >> anCount >> nsCount >> arCount;
-
-    if ((flags & 0x000F) != 0) {
-        qWarning() << "DNS response contains error" << flags;
-        return {};
-    }
-
-    int offset = 12;
-
-    for (int i = 0; i < qdCount; ++i) {
-        offset = skipDnsName(response, offset);
-        if (offset < 0 || offset + 4 > response.size()) {
-            qWarning() << "Invalid DNS question section";
-            return {};
-        }
-        offset += 4;
-    }
-
-    const uchar *data = reinterpret_cast<const uchar *>(response.constData());
-    for (int i = 0; i < anCount; ++i) {
-        int nameOffset = skipDnsName(response, offset);
-        if (nameOffset < 0 || nameOffset + 10 > response.size()) {
-            qWarning() << "Invalid DNS answer section";
-            return {};
-        }
-        offset = nameOffset;
-
-        quint16 type = qFromBigEndian<quint16>(data + offset);
-        quint16 dnsClass = qFromBigEndian<quint16>(data + offset + 2);
-        quint32 ttl = qFromBigEndian<quint32>(data + offset + 4);
-        Q_UNUSED(ttl);
-    quint16 rdLength = qFromBigEndian<quint16>(data + offset + 8);
-        offset += 10;
-
-        if (offset + rdLength > response.size()) {
-            qWarning() << "Invalid RDATA length" << rdLength;
-            return {};
-        }
-
-        if (type == 1 && dnsClass == 1 && rdLength == 4) {
-            const quint8 b1 = data[offset];
-            const quint8 b2 = data[offset + 1];
-            const quint8 b3 = data[offset + 2];
-            const quint8 b4 = data[offset + 3];
-            return QStringLiteral("%1.%2.%3.%4").arg(b1).arg(b2).arg(b3).arg(b4);
-        }
-
-        offset += rdLength;
-    }
-
-    return {};
-}
-
-int GatewayController::skipDnsName(const QByteArray &message, int offset) const
-{
-    while (offset < message.size()) {
-        quint8 length = static_cast<quint8>(message.at(offset));
-        if (length == 0) {
-            return offset + 1;
-        }
-        if ((length & 0xC0) == 0xC0) {
-            if (offset + 2 > message.size()) {
-                return -1;
-            }
-            return offset + 2;
-        }
-        ++offset;
-        offset += length;
-        if (offset > message.size()) {
-            return -1;
-        }
-    }
-    return -1;
-}
-#endif

client/core/controllers/gatewayController.h

@@ -27,17 +27,6 @@ private:
                            const QByteArray &iv = "", const QByteArray &salt = "");
     void bypassProxy(const QString &endpoint, QNetworkReply *reply, std::function<QNetworkReply *(const QString &url)> requestFunction,
                      std::function<bool(QNetworkReply *reply, const QList<QSslError> &sslErrors)> replyProcessingFunction);
-    QString addKillSwitchExceptionForUrl(const QUrl &url);
-    QString resolveHost(const QString &host);
-#ifdef AMNEZIA_DESKTOP
-    bool addKillSwitchException(const QStringList &ranges);
-    bool removeKillSwitchException(const QStringList &ranges);
-    QString resolveHostViaOpenDns(const QString &host);
-    QString resolveHostViaQuad9(const QString &host);
-    QByteArray buildDnsQuery(const QString &host) const;
-    QString parseDnsResponse(const QByteArray &response) const;
-    int skipDnsName(const QByteArray &message, int offset) const;
-#endif
 
     int m_requestTimeoutMsecs;
     QString m_gatewayEndpoint;

client/core/scripts_registry.cpp

@@ -50,6 +50,7 @@ QString amnezia::scriptName(ProtocolScriptType type)
     case ProtocolScriptType::wireguard_template: return QLatin1String("template.conf");
     case ProtocolScriptType::awg_template: return QLatin1String("template.conf");
     case ProtocolScriptType::xray_template: return QLatin1String("template.json");
+    case ProtocolScriptType::ipsec_template: return QLatin1String("template.conf");
     default: return QString();
     }
 }

client/core/scripts_registry.h

@@ -28,7 +28,8 @@ enum ProtocolScriptType {
     openvpn_template,
     wireguard_template,
     awg_template,
-    xray_template
+    xray_template,
+    ipsec_template
 };
 
 

client/protocols/ikev2_vpn_protocol_linux.cpp

@@ -0,0 +1,185 @@
+#include <QCoreApplication>
+#include <QFileInfo>
+#include <QProcess>
+
+#include <QNetworkInterface>
+
+#include <QThread>
+
+#include <chrono>
+
+#include "core/networkUtilities.h"
+
+#include "settings.h"
+#include "logger.h"
+#include "ikev2_vpn_protocol_linux.h"
+#include "utilities.h"
+#include "core/ipcclient.h"
+#include <openssl/pkcs12.h>
+#include <openssl/bio.h>
+#include <openssl/pem.h>
+
+
+static Ikev2Protocol* self = nullptr;
+
+
+Ikev2Protocol::Ikev2Protocol(const QJsonObject &configuration, QObject* parent) :
+    VpnProtocol(configuration, parent)
+{
+    qDebug() << "IpsecProtocol::Ikev2Protocol()";
+    self = this;
+    readIkev2Configuration(configuration);
+    m_routeGateway = NetworkUtilities::getGatewayAndIface();
+    m_vpnGateway = "192.168.43.10";
+    m_vpnLocalAddress = "192.168.43.10";
+    m_remoteAddress = NetworkUtilities::getIPAddress(configuration.value(amnezia::config_key::hostName).toString());
+    m_routeMode = static_cast<Settings::RouteMode>(configuration.value(amnezia::config_key::splitTunnelType).toInt());
+    m_configData = configuration;
+}
+
+Ikev2Protocol::~Ikev2Protocol()
+{
+    qDebug() << "IpsecProtocol::~IpsecProtocol()";
+    Ikev2Protocol::stop();
+}
+
+void Ikev2Protocol::stop()
+{
+    setConnectionState(Vpn::ConnectionState::Disconnected);
+    Ikev2Protocol::disconnect_vpn();
+    qDebug() << "IpsecProtocol::stop()";
+}
+
+void Ikev2Protocol::readIkev2Configuration(const QJsonObject &configuration)
+{
+    qDebug() << "IpsecProtocol::readIkev2Configuration()";
+    QJsonObject ikev2_data = configuration.value(ProtocolProps::key_proto_config_data(Proto::Ikev2)).toObject();
+    m_config = QJsonDocument::fromJson(ikev2_data.value(config_key::config).toString().toUtf8()).object();
+}
+
+ErrorCode Ikev2Protocol::start()
+{
+    qDebug() << "IpsecProtocol::start()";
+    STACK_OF(X509) *certstack = sk_X509_new_null();
+    BIO *p12 = BIO_new(BIO_s_mem());
+
+    EVP_PKEY *pkey;
+    X509 *cert;
+
+    BIO_write(p12, QByteArray::fromBase64(m_config[config_key::cert].toString().toUtf8()),
+              QByteArray::fromBase64(m_config[config_key::cert].toString().toUtf8()).size());
+
+    PKCS12 *pkcs12 = d2i_PKCS12_bio(p12, NULL);
+    PKCS12_parse(pkcs12, m_config[config_key::password].toString().toStdString().c_str(), &pkey, &cert, &certstack);
+    BIO *bio = BIO_new(BIO_s_mem());
+    PEM_write_bio_X509(bio, cert);
+
+    BUF_MEM *mem = NULL;
+    BIO_get_mem_ptr(bio, &mem);
+
+    std::string pem(mem->data, mem->length);
+    QString alias(pem.c_str());
+
+    IpcClient::Interface()->writeIPsecUserCert(alias, m_config[config_key::userName].toString());
+    IpcClient::Interface()->writeIPsecConfig(m_config[config_key::config].toString());
+    IpcClient::Interface()->writeIPsecCaCert(m_config[config_key::cacert].toString(), m_config[config_key::userName].toString());
+    IpcClient::Interface()->writeIPsecPrivate(m_config[config_key::cert].toString(), m_config[config_key::userName].toString());
+    IpcClient::Interface()->writeIPsecPrivatePass(m_config[config_key::password].toString(), m_config[config_key::hostName].toString(),
+                                                  m_config[config_key::userName].toString());
+
+    connect_to_vpn("ikev2-vpn");
+
+    if (!IpcClient::Interface()) {
+        return ErrorCode::AmneziaServiceConnectionFailed;
+    }
+
+    QString connectionStatus;
+
+    auto futureResult = IpcClient::Interface()->getTunnelStatus("ikev2-vpn");
+    futureResult.waitForFinished();
+
+    if (futureResult.returnValue().isEmpty()) {
+        auto futureResult = IpcClient::Interface()->getTunnelStatus("ikev2-vpn");
+        futureResult.waitForFinished();
+    }
+
+    connectionStatus = futureResult.returnValue();
+
+    if (connectionStatus.contains("ESTABLISHED")) {
+        QStringList lines = connectionStatus.split('\n');
+        for (auto iter = lines.begin(); iter!=lines.end(); iter++)
+        {
+            if (iter->contains("0.0.0.0/0")) {
+                QList<QHostAddress> dnsAddr;
+
+                dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns1).toString()));
+                // We don't use secondary DNS if primary DNS is AmneziaDNS
+                if (!m_configData.value(amnezia::config_key::dns1).toString().
+                     contains(amnezia::protocols::dns::amneziaDnsIp)) {
+                    dnsAddr.push_back(QHostAddress(m_configData.value(config_key::dns2).toString()));
+                }
+
+                m_vpnGateway = iter->split("===", Qt::SkipEmptyParts).first();
+                m_vpnGateway = m_vpnGateway.split("   ").at(2);
+                m_vpnGateway = m_vpnGateway.split("/").first();
+                m_vpnLocalAddress = m_vpnGateway;
+
+                // killSwitch toggle
+                if (QVariant(m_config.value(config_key::killSwitchOption).toString()).toBool()) {
+                    m_config.insert("vpnServer", m_remoteAddress);
+                    IpcClient::Interface()->enableKillSwitch(m_config, 0);
+                }
+
+                if (m_routeMode == Settings::RouteMode::VpnAllSites) {
+                    IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "0.0.0.0/1");
+                    IpcClient::Interface()->routeAddList(m_vpnGateway, QStringList() << "128.0.0.0/1");
+                    IpcClient::Interface()->routeAddList(m_routeGateway, QStringList() << m_remoteAddress);
+                }
+
+                QList<QNetworkInterface> netInterfaces = QNetworkInterface::allInterfaces();
+                for (int i = 0; i < netInterfaces.size(); i++) {
+                    for (int j=0; j < netInterfaces.at(i).addressEntries().size(); j++)
+                    {
+                        if (netInterfaces.at(i).addressEntries().at(j).ip().toString() == m_vpnGateway)
+                        {
+                            IpcClient::Interface()->updateResolvers(netInterfaces.at(i).humanReadableName(), dnsAddr);
+                        }
+                    }
+                }
+
+                IpcClient::Interface()->StopRoutingIpv6();
+            }
+        }
+        setConnectionState(Vpn::ConnectionState::Connected);
+    } else {
+        setConnectionState(Vpn::ConnectionState::Disconnected);
+    }
+
+    return ErrorCode::NoError;
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+bool Ikev2Protocol::create_new_vpn(const QString & vpn_name,
+                                   const QString & serv_addr) {
+    qDebug() << "Ikev2Protocol::create_new_vpn()";
+    return true;
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+bool Ikev2Protocol::delete_vpn_connection(const QString &vpn_name) {
+
+    return false;
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+bool Ikev2Protocol::connect_to_vpn(const QString &vpn_name) {
+    qDebug() << "IpsecProtocol::connect_to_vpn()";
+    IpcClient::Interface()->startIPsec(vpn_name);
+    QThread::msleep(3000);
+    return true;
+}
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+bool Ikev2Protocol::disconnect_vpn() {
+    qDebug() << "IpsecProtocol::disconnect_vpn()";
+    IpcClient::Interface()->stopIPsec("ikev2-vpn");
+    IpcClient::Interface()->disableKillSwitch();
+    IpcClient::Interface()->StartRoutingIpv6();
+    return true;
+}

client/protocols/ikev2_vpn_protocol_linux.h

@@ -0,0 +1,52 @@
+#ifndef IKEV2_VPN_PROTOCOL_LINUX_H
+#define IKEV2_VPN_PROTOCOL_LINUX_H
+
+#include <QObject>
+#include <QProcess>
+#include <QString>
+#include <QTemporaryFile>
+#include <QTimer>
+
+#include "vpnprotocol.h"
+
+#include <string>
+#include <memory>
+#include <atomic>
+#include <thread>
+#include <condition_variable>
+#include <mutex>
+
+class Ikev2Protocol : public VpnProtocol
+{
+    Q_OBJECT
+
+public:
+    explicit Ikev2Protocol(const QJsonObject& configuration, QObject* parent = nullptr);
+    virtual ~Ikev2Protocol() override;
+
+    ErrorCode start() override;
+    void stop() override;
+
+    static QString tunnelName() { return "AmneziaVPN IKEv2"; }
+
+
+private:
+    void readIkev2Configuration(const QJsonObject &configuration);
+
+private:
+    QJsonObject m_config;
+    QJsonObject m_configData;
+    QString m_remoteAddress;
+    int m_routeMode;
+
+
+    bool create_new_vpn(const QString & vpn_name,
+                        const QString & serv_addr);
+    bool delete_vpn_connection(const QString &vpn_name);
+
+    bool connect_to_vpn(const QString & vpn_name);
+    bool disconnect_vpn();
+};
+
+
+#endif // IKEV2_VPN_PROTOCOL_LINUX_H

client/protocols/ikev2_vpn_protocol_windows.cpp

@@ -172,7 +172,8 @@ void Ikev2Protocol::newConnectionStateEventReceived(UINT unMsg, tagRASCONNSTATE
 
 void Ikev2Protocol::readIkev2Configuration(const QJsonObject &configuration)
 {
-    m_config = configuration.value(ProtocolProps::key_proto_config_data(Proto::Ikev2)).toObject();
+    QJsonObject ikev2_data = configuration.value(ProtocolProps::key_proto_config_data(Proto::Ikev2)).toObject();
+    m_config = QJsonDocument::fromJson(ikev2_data.value(config_key::config).toString().toUtf8()).object();
 }
 
 ErrorCode Ikev2Protocol::start()

client/protocols/protocols_defs.h

@@ -24,6 +24,7 @@ namespace amnezia
         constexpr char description[] = "description";
         constexpr char name[] = "name";
         constexpr char cert[] = "cert";
+        constexpr char cacert[] = "cacert";
         constexpr char config[] = "config";
 
         constexpr char containers[] = "containers";

client/protocols/vpnprotocol.cpp

@@ -16,6 +16,10 @@
     #include "ikev2_vpn_protocol_windows.h"
 #endif
 
+#ifdef Q_OS_LINUX
+#include "ikev2_vpn_protocol_linux.h"
+#endif
+
 VpnProtocol::VpnProtocol(const QJsonObject &configuration, QObject *parent)
     : QObject(parent),
       m_connectionState(Vpn::ConnectionState::Unknown),
@@ -106,7 +110,7 @@ QString VpnProtocol::vpnGateway() const
 VpnProtocol *VpnProtocol::factory(DockerContainer container, const QJsonObject &configuration)
 {
     switch (container) {
-#if defined(Q_OS_WINDOWS)
+#if defined(Q_OS_WINDOWS) || defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID)
     case DockerContainer::Ipsec: return new Ikev2Protocol(configuration);
 #endif
 #if defined(Q_OS_WINDOWS) || defined(Q_OS_MACX) and !defined MACOS_NE || (defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID))

client/resources.qrc

@@ -77,6 +77,7 @@
         <file>server_scripts/ipsec/mobileconfig.plist</file>
         <file>server_scripts/ipsec/run_container.sh</file>
         <file>server_scripts/ipsec/start.sh</file>
+        <file>server_scripts/ipsec/template.conf</file>
         <file>server_scripts/ipsec/strongswan.profile</file>
         <file>server_scripts/openvpn_cloak/configure_container.sh</file>
         <file>server_scripts/openvpn_cloak/Dockerfile</file>

client/server_scripts/ipsec/configure_container.sh

@@ -242,6 +242,7 @@ conn ikev2-cp
   dpdtimeout=120
   dpdaction=clear
   auto=add
+  authby=rsa-sha1
   ikev2=insist
   rekey=no
   pfs=yes

client/server_scripts/ipsec/template.conf

@@ -0,0 +1,28 @@
+config setup
+    charondebug="ike 1, knl 1, cfg 0"
+    uniqueids=no
+
+conn ikev2-vpn
+    auto=add
+    type=tunnel
+    keyexchange=ikev2
+    fragmentation=yes
+    forceencaps=yes 
+    dpdaction=clear
+    dpddelay=300s
+    rekey=no 
+    leftid=$CLIENT_NAME
+    leftcert=$CLIENT_NAME.crt
+    leftdns=$PRIMARY_DNS,$SECONDARY_DNS
+    leftsendcert=always
+    leftsourceip=%config
+    right=$SERVER_IP_ADDRESS
+    rightsubnet=0.0.0.0/0
+    rightsendcert=never
+    eap_identity=%identity
+    encapsulation=yes 
+    pfs=yes 
+    ike=aes256-sha256-modp2048,aes256-sha1-modp1024,3des-sha1-modp1024
+    esp=aes256-sha256,aes256-sha1,3des-sha1
+
+

client/ui/qml/Pages2/PageProtocolAwgClientSettings.qml

@@ -34,7 +34,7 @@ PageType {
     ListViewType {
         id: listView
 
-        anchors.top: backButton.bottom
+        anchors.top: backButtonLayout.bottom
         anchors.bottom: saveButton.top
         anchors.right: parent.right
         anchors.left: parent.left

client/ui/qml/Pages2/PageProtocolAwgSettings.qml

@@ -37,7 +37,7 @@ PageType {
     ListViewType {
         id: listView
 
-        anchors.top: backButton.bottom
+        anchors.top: backButtonLayout.bottom
         anchors.bottom: parent.bottom
         anchors.left: parent.left
         anchors.right: parent.right

client/ui/qml/Pages2/PageProtocolOpenVpnSettings.qml

@@ -17,413 +17,427 @@ import "../Components"
 PageType {
     id: root
 
-    BackButtonType {
-        id: backButton
+    ColumnLayout {
+        id: backButtonLayout
 
         anchors.top: parent.top
         anchors.left: parent.left
         anchors.right: parent.right
+
         anchors.topMargin: 20
-        
-        onActiveFocusChanged: {
-            if(backButton.enabled && backButton.activeFocus) {
-                listView.positionViewAtBeginning()
-            }
+
+        BackButtonType {
+            id: backButton
         }
     }
 
-    ListViewType {
-        id: listView
-
-        anchors.top: backButton.bottom
+    FlickableType {
+        id: fl
+        anchors.top: backButtonLayout.bottom
         anchors.bottom: parent.bottom
-        anchors.right: parent.right
-        anchors.left: parent.left
+        contentHeight: content.implicitHeight
 
-        enabled: ServersModel.isProcessedServerHasWriteAccess()
+        Column {
+            id: content
 
-        header: ColumnLayout {
-            width: listView.width
+            anchors.top: parent.top
+            anchors.left: parent.left
+            anchors.right: parent.right
 
-            BaseHeaderType {
-                id: header
+            enabled: ServersModel.isProcessedServerHasWriteAccess()
 
-                Layout.fillWidth: true
-                Layout.rightMargin: 16
-                Layout.leftMargin: 16
+            ListView {
+                id: listview
 
-                headerText: qsTr("OpenVPN Settings")
-            }
-        }
+                width: parent.width
+                height: listview.contentItem.height
 
-        model: OpenVpnConfigModel             
+                clip: true
+                interactive: false
 
-        delegate: ColumnLayout {
-            width: listView.width
+                model: OpenVpnConfigModel             
 
-            spacing: 0
+                delegate: Item {
+                    id: delegateItem
 
-            TextFieldWithHeaderType {
-                id: vpnAddressSubnetTextField
+                    property alias vpnAddressSubnetTextField: vpnAddressSubnetTextField
+                    property bool isEnabled: ServersModel.isProcessedServerHasWriteAccess()
 
-                Layout.fillWidth: true
-                Layout.topMargin: 32
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                    implicitWidth: listview.width
+                    implicitHeight: col.implicitHeight
 
-                enabled: listView.enabled
+                    ColumnLayout {
+                        id: col
 
-                headerText: qsTr("VPN address subnet")
-                textField.text: subnetAddress
+                        anchors.top: parent.top
+                        anchors.left: parent.left
+                        anchors.right: parent.right
 
-                textField.onEditingFinished: {
-                    if (textField.text !== subnetAddress) {
-                        subnetAddress = textField.text
-                    }
-                }
+                        anchors.leftMargin: 16
+                        anchors.rightMargin: 16
 
-                checkEmptyText: true
-            }
+                        spacing: 0
 
-            ParagraphTextType {
-                Layout.fillWidth: true
-                Layout.topMargin: 32
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                        BaseHeaderType {
+                            Layout.fillWidth: true
+                            headerText: qsTr("OpenVPN settings")
+                        }
 
-                text: qsTr("Network protocol")
-            }
+                        TextFieldWithHeaderType {
+                            id: vpnAddressSubnetTextField
 
-            TransportProtoSelector {
-                id: transportProtoSelector
-                Layout.fillWidth: true
-                Layout.topMargin: 16
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                            Layout.fillWidth: true
+                            Layout.topMargin: 32
 
-                rootWidth: root.width
+                            enabled: delegateItem.isEnabled
 
-                enabled: isTransportProtoEditable
+                            headerText: qsTr("VPN address subnet")
+                            textField.text: subnetAddress
 
-                currentIndex: {
-                    return transportProto === "tcp" ? 1 : 0
-                }
+                            parentFlickable: fl
 
-                onCurrentIndexChanged: {
-                    if (transportProto === "tcp" && currentIndex === 0) {
-                        transportProto = "udp"
-                    } else if (transportProto === "udp" && currentIndex === 1) {
-                        transportProto = "tcp"
-                    }
-                }
-            }
+                            textField.onEditingFinished: {
+                                if (textField.text !== subnetAddress) {
+                                    subnetAddress = textField.text
+                                }
+                            }
 
-            TextFieldWithHeaderType {
-                id: portTextField
+                            checkEmptyText: true
+                        }
 
-                Layout.fillWidth: true
-                Layout.topMargin: 40
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                        ParagraphTextType {
+                            Layout.fillWidth: true
+                            Layout.topMargin: 32
 
-                enabled: listView.enabled
+                            text: qsTr("Network protocol")
+                        }
 
-                headerText: qsTr("Port")
-                textField.text: port
-                textField.maximumLength: 5
-                textField.validator: IntValidator { bottom: 1; top: 65535 }
+                        TransportProtoSelector {
+                            id: transportProtoSelector
+                            Layout.fillWidth: true
+                            Layout.topMargin: 16
+                            rootWidth: root.width
 
-                textField.onEditingFinished: {
-                    if (textField.text !== port) {
-                        port = textField.text
-                    }
-                }
+                            enabled: isTransportProtoEditable
 
-                checkEmptyText: true
-            }
+                            currentIndex: {
+                                return transportProto === "tcp" ? 1 : 0
+                            }
 
-            SwitcherType {
-                id: autoNegotiateEncryprionSwitcher
-
-                Layout.fillWidth: true
-                Layout.topMargin: 24
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
-
-                text: qsTr("Auto-negotiate encryption")
-                checked: autoNegotiateEncryprion
-
-                onCheckedChanged: {
-                    if (checked !== autoNegotiateEncryprion) {
-                        autoNegotiateEncryprion = checked
-                    }
-                }
-            }
-
-            DropDownType {
-                id: hashDropDown
-                Layout.fillWidth: true
-                Layout.topMargin: 20
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
-
-                enabled: !autoNegotiateEncryprionSwitcher.checked
-
-                descriptionText: qsTr("Hash")
-                headerText: qsTr("Hash")
-
-                drawerParent: root
-
-                listView: ListViewWithRadioButtonType {
-                    id: hashListView
-
-                    rootWidth: root.width
-
-                    model: ListModel {
-                        ListElement { name : qsTr("SHA512") }
-                        ListElement { name : qsTr("SHA384") }
-                        ListElement { name : qsTr("SHA256") }
-                        ListElement { name : qsTr("SHA3-512") }
-                        ListElement { name : qsTr("SHA3-384") }
-                        ListElement { name : qsTr("SHA3-256") }
-                        ListElement { name : qsTr("whirlpool") }
-                        ListElement { name : qsTr("BLAKE2b512") }
-                        ListElement { name : qsTr("BLAKE2s256") }
-                        ListElement { name : qsTr("SHA1") }
-                    }
-
-                    clickedFunction: function() {
-                        hashDropDown.text = selectedText
-                        hash = hashDropDown.text
-                        hashDropDown.closeTriggered()
-                    }
-
-                    Component.onCompleted: {
-                        hashDropDown.text = hash
-
-                        for (var i = 0; i < hashListView.model.count; i++) {
-                            if (hashListView.model.get(i).name === hashDropDown.text) {
-                                currentIndex = i
+                            onCurrentIndexChanged: {
+                                if (transportProto === "tcp" && currentIndex === 0) {
+                                    transportProto = "udp"
+                                } else if (transportProto === "udp" && currentIndex === 1) {
+                                    transportProto = "tcp"
+                                }
                             }
                         }
-                    }
-                }
-            }
 
-            DropDownType {
-                id: cipherDropDown
-                Layout.fillWidth: true
-                Layout.topMargin: 16
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                        TextFieldWithHeaderType {
+                            id: portTextField
 
-                enabled: !autoNegotiateEncryprionSwitcher.checked
+                            Layout.fillWidth: true
+                            Layout.topMargin: 40
+                            parentFlickable: fl
 
-                descriptionText: qsTr("Cipher")
-                headerText: qsTr("Cipher")
+                            enabled: delegateItem.isEnabled
 
-                drawerParent: root
+                            headerText: qsTr("Port")
+                            textField.text: port
+                            textField.maximumLength: 5
+                            textField.validator: IntValidator { bottom: 1; top: 65535 }
 
-                listView: ListViewWithRadioButtonType {
-                    id: cipherListView
+                            textField.onEditingFinished: {
+                                if (textField.text !== port) {
+                                    port = textField.text
+                                }
+                            }
 
-                    rootWidth: root.width
+                            checkEmptyText: true
+                        }
 
-                    model: ListModel {
-                        ListElement { name : qsTr("AES-256-GCM") }
-                        ListElement { name : qsTr("AES-192-GCM") }
-                        ListElement { name : qsTr("AES-128-GCM") }
-                        ListElement { name : qsTr("AES-256-CBC") }
-                        ListElement { name : qsTr("AES-192-CBC") }
-                        ListElement { name : qsTr("AES-128-CBC") }
-                        ListElement { name : qsTr("ChaCha20-Poly1305") }
-                        ListElement { name : qsTr("ARIA-256-CBC") }
-                        ListElement { name : qsTr("CAMELLIA-256-CBC") }
-                        ListElement { name : qsTr("none") }
-                    }
+                        SwitcherType {
+                            id: autoNegotiateEncryprionSwitcher
 
-                    clickedFunction: function() {
-                        cipherDropDown.text = selectedText
-                        cipher = cipherDropDown.text
-                        cipherDropDown.closeTriggered()
-                    }
+                            Layout.fillWidth: true
+                            Layout.topMargin: 24
+                            parentFlickable: fl
 
-                    Component.onCompleted: {
-                        cipherDropDown.text = cipher
+                            text: qsTr("Auto-negotiate encryption")
+                            checked: autoNegotiateEncryprion
 
-                        for (var i = 0; i < cipherListView.model.count; i++) {
-                            if (cipherListView.model.get(i).name === cipherDropDown.text) {
-                                currentIndex = i
+                            onCheckedChanged: {
+                                if (checked !== autoNegotiateEncryprion) {
+                                    autoNegotiateEncryprion = checked
+                                }
                             }
                         }
-                    }
-                }
-            }
 
-            Rectangle {
-                id: contentRect
-                Layout.fillWidth: true
-                Layout.topMargin: 32
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                        DropDownType {
+                            id: hashDropDown
+                            Layout.fillWidth: true
+                            Layout.topMargin: 20
 
-                Layout.preferredHeight: checkboxLayout.implicitHeight
-                color: AmneziaStyle.color.onyxBlack
-                radius: 16
+                            enabled: !autoNegotiateEncryprionSwitcher.checked
 
-                ColumnLayout {
-                    id: checkboxLayout
+                            descriptionText: qsTr("Hash")
+                            headerText: qsTr("Hash")
 
-                    anchors.fill: parent
+                            drawerParent: root
 
-                    CheckBoxType {
-                        id: tlsAuthCheckBox
-                        Layout.fillWidth: true
+                            listView: ListViewWithRadioButtonType {
+                                id: hashListView
 
-                        text: qsTr("TLS auth")
-                        checked: tlsAuth
+                                rootWidth: root.width
 
-                        onCheckedChanged: {
-                            if (checked !== tlsAuth) {
-                                console.log("tlsAuth changed to: " + checked)
-                                tlsAuth = checked
+                                model: ListModel {
+                                    ListElement { name : qsTr("SHA512") }
+                                    ListElement { name : qsTr("SHA384") }
+                                    ListElement { name : qsTr("SHA256") }
+                                    ListElement { name : qsTr("SHA3-512") }
+                                    ListElement { name : qsTr("SHA3-384") }
+                                    ListElement { name : qsTr("SHA3-256") }
+                                    ListElement { name : qsTr("whirlpool") }
+                                    ListElement { name : qsTr("BLAKE2b512") }
+                                    ListElement { name : qsTr("BLAKE2s256") }
+                                    ListElement { name : qsTr("SHA1") }
+                                }
+
+                                clickedFunction: function() {
+                                    hashDropDown.text = selectedText
+                                    hash = hashDropDown.text
+                                    hashDropDown.closeTriggered()
+                                }
+
+                                Component.onCompleted: {
+                                    hashDropDown.text = hash
+
+                                    for (var i = 0; i < hashListView.model.count; i++) {
+                                        if (hashListView.model.get(i).name === hashDropDown.text) {
+                                            currentIndex = i
+                                        }
+                                    }
+                                }
                             }
                         }
-                    }
 
-                    DividerType {}
+                        DropDownType {
+                            id: cipherDropDown
+                            Layout.fillWidth: true
+                            Layout.topMargin: 16
 
-                    CheckBoxType {
-                        id: blockDnsCheckBox
-                        Layout.fillWidth: true
+                            enabled: !autoNegotiateEncryprionSwitcher.checked
 
-                        text: qsTr("Block DNS requests outside of VPN")
-                        checked: blockDns
+                            descriptionText: qsTr("Cipher")
+                            headerText: qsTr("Cipher")
 
-                        onCheckedChanged: {
-                            if (checked !== blockDns) {
-                                blockDns = checked
+                            drawerParent: root
+
+                            listView: ListViewWithRadioButtonType {
+                                id: cipherListView
+
+                                rootWidth: root.width
+
+                                model: ListModel {
+                                    ListElement { name : qsTr("AES-256-GCM") }
+                                    ListElement { name : qsTr("AES-192-GCM") }
+                                    ListElement { name : qsTr("AES-128-GCM") }
+                                    ListElement { name : qsTr("AES-256-CBC") }
+                                    ListElement { name : qsTr("AES-192-CBC") }
+                                    ListElement { name : qsTr("AES-128-CBC") }
+                                    ListElement { name : qsTr("ChaCha20-Poly1305") }
+                                    ListElement { name : qsTr("ARIA-256-CBC") }
+                                    ListElement { name : qsTr("CAMELLIA-256-CBC") }
+                                    ListElement { name : qsTr("none") }
+                                }
+
+                                clickedFunction: function() {
+                                    cipherDropDown.text = selectedText
+                                    cipher = cipherDropDown.text
+                                    cipherDropDown.closeTriggered()
+                                }
+
+                                Component.onCompleted: {
+                                    cipherDropDown.text = cipher
+
+                                    for (var i = 0; i < cipherListView.model.count; i++) {
+                                        if (cipherListView.model.get(i).name === cipherDropDown.text) {
+                                            currentIndex = i
+                                        }
+                                    }
+                                }
                             }
                         }
-                    }
-                }
-            }
 
-            SwitcherType {
-                id: additionalClientCommandsSwitcher
-                Layout.fillWidth: true
-                Layout.topMargin: 32
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                        Rectangle {
+                            id: contentRect
+                            Layout.fillWidth: true
+                            Layout.topMargin: 32
+                            Layout.preferredHeight: checkboxLayout.implicitHeight
+                            color: AmneziaStyle.color.onyxBlack
+                            radius: 16
 
-                checked: additionalClientCommands !== ""
+                            Connections {
+                                target: tlsAuthCheckBox
+                                enabled: !GC.isMobile()
 
-                text: qsTr("Additional client configuration commands")
+                                function onFocusChanged() {
+                                    if (tlsAuthCheckBox.activeFocus) {
+                                        fl.ensureVisible(contentRect)
+                                    }
+                                }
+                            }
 
-                onCheckedChanged: {
-                    if (!checked) {
-                        additionalClientCommands = ""
-                    }
-                }
-            }
+                            ColumnLayout {
+                                id: checkboxLayout
 
-            TextAreaType {
-                id: additionalClientCommandsTextArea
-                Layout.fillWidth: true
-                Layout.topMargin: 16
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                                anchors.fill: parent
+                                CheckBoxType {
+                                    id: tlsAuthCheckBox
+                                    Layout.fillWidth: true
 
-                visible: additionalClientCommandsSwitcher.checked
+                                    text: qsTr("TLS auth")
+                                    checked: tlsAuth
 
-                textAreaText: additionalClientCommands
-                placeholderText: qsTr("Commands:")
+                                    onCheckedChanged: {
+                                        if (checked !== tlsAuth) {
+                                            console.log("tlsAuth changed to: " + checked)
+                                            tlsAuth = checked
+                                        }
+                                    }
+                                }
 
-                textArea.onEditingFinished: {
-                    if (additionalClientCommands !== textAreaText) {
-                        additionalClientCommands = textAreaText
-                    }
-                }
-            }
+                                DividerType {}
 
-            SwitcherType {
-                id: additionalServerCommandsSwitcher
-                Layout.fillWidth: true
-                Layout.topMargin: 16
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
+                                CheckBoxType {
+                                    id: blockDnsCheckBox
+                                    Layout.fillWidth: true
 
-                checked: additionalServerCommands !== ""
+                                    text: qsTr("Block DNS requests outside of VPN")
+                                    checked: blockDns
 
-                text: qsTr("Additional server configuration commands")
-
-                onCheckedChanged: {
-                    if (!checked) {
-                        additionalServerCommands = ""
-                    }
-                }
-            }
-
-            TextAreaType {
-                id: additionalServerCommandsTextArea
-                Layout.fillWidth: true
-                Layout.topMargin: 16
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
-
-                visible: additionalServerCommandsSwitcher.checked
-
-                textAreaText: additionalServerCommands
-                placeholderText: qsTr("Commands:")
-
-                textArea.onEditingFinished: {
-                    if (additionalServerCommands !== textAreaText) {
-                        additionalServerCommands = textAreaText
-                    }
-                }
-            }
-
-            BasicButtonType {
-                id: saveButton
-
-                Layout.fillWidth: true
-                Layout.topMargin: 24
-                Layout.bottomMargin: 24
-                Layout.leftMargin: 16
-                Layout.rightMargin: 16
-
-                enabled: vpnAddressSubnetTextField.errorText === "" &&
-                            portTextField.errorText === ""
-
-                text: qsTr("Save")
-
-                onClicked: function() {
-                    forceActiveFocus()
-
-                    var headerText = qsTr("Save settings?")
-                    var descriptionText = qsTr("All users with whom you shared a connection with will no longer be able to connect to it.")
-                    var yesButtonText = qsTr("Continue")
-                    var noButtonText = qsTr("Cancel")
-
-                    var yesButtonFunction = function() {
-                        if (ConnectionController.isConnected && ServersModel.getDefaultServerData("defaultContainer") === ContainersModel.getProcessedContainerIndex()) {
-                            PageController.showNotificationMessage(qsTr("Unable change settings while there is an active connection"))
-                            return
+                                    onCheckedChanged: {
+                                        if (checked !== blockDns) {
+                                            blockDns = checked
+                                        }
+                                    }
+                                }
+                            }
                         }
 
-                        PageController.goToPage(PageEnum.PageSetupWizardInstalling);
-                        InstallController.updateContainer(OpenVpnConfigModel.getConfig())
-                    }
-                    var noButtonFunction = function() {
-                        if (!GC.isMobile()) {
-                            saveButton.forceActiveFocus()
+                        SwitcherType {
+                            id: additionalClientCommandsSwitcher
+                            Layout.fillWidth: true
+                            Layout.topMargin: 32
+                            parentFlickable: fl
+
+                            checked: additionalClientCommands !== ""
+
+                            text: qsTr("Additional client configuration commands")
+
+                            onCheckedChanged: {
+                                if (!checked) {
+                                    additionalClientCommands = ""
+                                }
+                            }
+                        }
+
+                        TextAreaType {
+                            id: additionalClientCommandsTextArea
+                            Layout.fillWidth: true
+                            Layout.topMargin: 16
+
+                            visible: additionalClientCommandsSwitcher.checked
+
+                            parentFlickable: fl
+
+                            textAreaText: additionalClientCommands
+                            placeholderText: qsTr("Commands:")
+
+                            textArea.onEditingFinished: {
+                                if (additionalClientCommands !== textAreaText) {
+                                    additionalClientCommands = textAreaText
+                                }
+                            }
+                        }
+
+                        SwitcherType {
+                            id: additionalServerCommandsSwitcher
+                            Layout.fillWidth: true
+                            Layout.topMargin: 16
+                            parentFlickable: fl
+
+                            checked: additionalServerCommands !== ""
+
+                            text: qsTr("Additional server configuration commands")
+
+                            onCheckedChanged: {
+                                if (!checked) {
+                                    additionalServerCommands = ""
+                                }
+                            }
+                        }
+
+                        TextAreaType {
+                            id: additionalServerCommandsTextArea
+                            Layout.fillWidth: true
+                            Layout.topMargin: 16
+
+                            visible: additionalServerCommandsSwitcher.checked
+
+                            textAreaText: additionalServerCommands
+                            placeholderText: qsTr("Commands:")
+                            parentFlickable: fl
+                            textArea.onEditingFinished: {
+                                if (additionalServerCommands !== textAreaText) {
+                                    additionalServerCommands = textAreaText
+                                }
+                            }
+                        }
+
+                        BasicButtonType {
+                            id: saveButton
+
+                            Layout.fillWidth: true
+                            Layout.topMargin: 24
+                            Layout.bottomMargin: 24
+
+                            enabled: vpnAddressSubnetTextField.errorText === "" &&
+                                     portTextField.errorText === ""
+
+                            text: qsTr("Save")
+                            parentFlickable: fl
+
+                            onClicked: function() {
+                                forceActiveFocus()
+
+                                var headerText = qsTr("Save settings?")
+                                var descriptionText = qsTr("All users with whom you shared a connection with will no longer be able to connect to it.")
+                                var yesButtonText = qsTr("Continue")
+                                var noButtonText = qsTr("Cancel")
+
+                                var yesButtonFunction = function() {
+                                    if (ConnectionController.isConnected && ServersModel.getDefaultServerData("defaultContainer") === ContainersModel.getProcessedContainerIndex()) {
+                                        PageController.showNotificationMessage(qsTr("Unable change settings while there is an active connection"))
+                                        return
+                                    }
+
+                                    PageController.goToPage(PageEnum.PageSetupWizardInstalling);
+                                    InstallController.updateContainer(OpenVpnConfigModel.getConfig())
+                                }
+                                var noButtonFunction = function() {
+                                    if (!GC.isMobile()) {
+                                        saveButton.forceActiveFocus()
+                                    }
+                                }
+                                showQuestionDrawer(headerText, descriptionText, yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
+                            }
+
+                            Keys.onEnterPressed: saveButton.clicked()
+                            Keys.onReturnPressed: saveButton.clicked()
                         }
                     }
-                    showQuestionDrawer(headerText, descriptionText, yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
                 }
-
-                Keys.onEnterPressed: saveButton.clicked()
-                Keys.onReturnPressed: saveButton.clicked()
             }
         }
     }

client/ui/qml/Pages2/PageProtocolWireGuardSettings.qml

@@ -66,6 +66,8 @@ PageType {
                 Layout.leftMargin: 16
                 Layout.rightMargin: 16
 
+                enabled: delegateItem.isEnabled
+
                 headerText: qsTr("VPN address subnet")
                 textField.text: subnetAddress
 
@@ -85,6 +87,8 @@ PageType {
                 Layout.leftMargin: 16
                 Layout.rightMargin: 16
 
+                enabled: delegateItem.isEnabled
+
                 headerText: qsTr("Port")
                 textField.text: port
                 textField.maximumLength: 5

client/ui/qml/Pages2/PageSettings.qml

@@ -43,6 +43,8 @@ PageType {
 
             LabelWithButtonType {
                 Layout.fillWidth: true
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
 
                 visible: isVisible
 
@@ -66,6 +68,8 @@ PageType {
 
                 visible: GC.isDesktop()
                 Layout.fillWidth: true
+                Layout.leftMargin: 16
+                Layout.rightMargin: 16
 
                 text: qsTr("Close application")
                 leftImageSource: "qrc:/images/controls/x-circle.svg"

client/ui/qml/Pages2/PageSettingsDns.qml

@@ -66,13 +66,6 @@ PageType {
                 
                 text: qsTr("If AmneziaDNS is not used or installed")
             }
-        }
-
-        model: 1 // fake model to force the ListView to be created without a model
-
-        delegate: ColumnLayout {
-            width: listView.width
-            spacing: 16
 
             TextFieldWithHeaderType {
                 id: primaryDns
@@ -103,6 +96,13 @@ PageType {
                     regularExpression: InstallController.ipAddressRegExp()
                 }
             }
+        }
+
+        model: 1 // fake model to force the ListView to be created without a model
+        spacing: 16
+
+        delegate: ColumnLayout {
+            width: listView.width
 
             BasicButtonType {
                 id: restoreDefaultButton
@@ -139,6 +139,10 @@ PageType {
                     showQuestionDrawer(headerText, "", yesButtonText, noButtonText, yesButtonFunction, noButtonFunction)
                 }
             }
+        }
+
+        footer: ColumnLayout {
+            width: listView.width
 
             BasicButtonType {
                 id: saveButton

client/ui/qml/Pages2/PageSettingsKillSwitch.qml

@@ -64,15 +64,12 @@ PageType {
 
                 enabled: SettingsController.isKillSwitchEnabled && !ConnectionController.isConnected
                 checked: !SettingsController.strictKillSwitchEnabled
-                checkable: false
 
                 text: qsTr("Soft KillSwitch")
                 descriptionText: qsTr("Internet access is blocked if the VPN disconnects unexpectedly")
 
                 onClicked: function() {
-                    if (SettingsController.strictKillSwitchEnabled) {
-                        SettingsController.strictKillSwitchEnabled = false
-                    }
+                    SettingsController.strictKillSwitchEnabled = false
                 }
 
                 Keys.onEnterPressed: this.clicked()
@@ -87,18 +84,15 @@ PageType {
                 Layout.leftMargin: 16
                 Layout.rightMargin: 16
 
-                enabled: SettingsController.isKillSwitchEnabled && !ConnectionController.isConnected
+                visible: false
+                enabled: false
+                // enabled: SettingsController.isKillSwitchEnabled && !ConnectionController.isConnected
                 checked: SettingsController.strictKillSwitchEnabled
-                checkable: false
 
                 text: qsTr("Strict KillSwitch")
                 descriptionText: qsTr("Internet connection is blocked even when VPN is turned off manually or hasn't started")
 
                 onClicked: function() {
-                    if (SettingsController.strictKillSwitchEnabled) {
-                        return
-                    }
-
                     var headerText = qsTr("Just a little heads-up")
                     var descriptionText = qsTr("If the VPN disconnects or drops while Strict KillSwitch is enabled, internet access will be blocked. To restore access, reconnect VPN or disable/change the KillSwitch.")
                     var yesButtonText = qsTr("Continue")

client/ui/qml/Pages2/PageSettingsServerData.qml

@@ -18,8 +18,6 @@ PageType {
 
     signal lastItemTabClickedSignal()
 
-    property bool isServerWithWriteAccess: ServersModel.isProcessedServerHasWriteAccess()
-
     Connections {
         target: InstallController
 
@@ -61,13 +59,15 @@ PageType {
         target: ServersModel
 
         function onProcessedServerIndexChanged() {
-            root.isServerWithWriteAccess = ServersModel.isProcessedServerHasWriteAccess()
+            listView.isServerWithWriteAccess = ServersModel.isProcessedServerHasWriteAccess()
         }
     }
 
     ListViewType {
         id: listView
 
+        property bool isServerWithWriteAccess: ServersModel.isProcessedServerHasWriteAccess()
+
         anchors.fill: parent
 
         model: serverActions
@@ -107,7 +107,7 @@ PageType {
     QtObject {
         id: check
 
-        property bool isVisible: root.isServerWithWriteAccess
+        property bool isVisible: true
         readonly property string title: qsTr("Check the server for previously installed Amnezia services")
         readonly property string description: qsTr("Add them to the application if they were not displayed")
         readonly property var tColor: AmneziaStyle.color.paleGray
@@ -121,7 +121,7 @@ PageType {
     QtObject {
         id: reboot
 
-        property bool isVisible: root.isServerWithWriteAccess
+        property bool isVisible: true
         readonly property string title: qsTr("Reboot server")
         readonly property string description: ""
         readonly property var tColor: AmneziaStyle.color.vibrantRed
@@ -181,7 +181,7 @@ PageType {
     QtObject {
         id: clear
 
-        property bool isVisible: root.isServerWithWriteAccess
+        property bool isVisible: true
         readonly property string title: qsTr("Clear server from Amnezia software")
         readonly property string description: ""
         readonly property var tColor: AmneziaStyle.color.vibrantRed
@@ -240,7 +240,7 @@ PageType {
     QtObject {
         id: switch_to_premium
 
-        property bool isVisible: ServersModel.getProcessedServerData("isServerFromTelegramApi") && ServersModel.processedServerIsPremium
+        property bool isVisible: ServersModel.getProcessedServerData("isServerFromTelegramApi")
         readonly property string title: qsTr("Switch to the new Amnezia Premium subscription")
         readonly property string description: ""
         readonly property var tColor: AmneziaStyle.color.vibrantRed

client/ui/qml/Pages2/PageShareFullAccess.qml

@@ -161,4 +161,10 @@ PageType {
             }
         }
     }
+
+    ShareConnectionDrawer {
+        id: shareConnectionDrawer
+
+        anchors.fill: parent
+    }
 }

client/vpnconnection.cpp

@@ -83,7 +83,9 @@ void VpnConnection::onConnectionStateChanged(Vpn::ConnectionState state)
     if (IpcClient::Interface()) {
         if (state == Vpn::ConnectionState::Connected) {
             IpcClient::Interface()->resetIpStack();
-            IpcClient::Interface()->flushDns();
+            if (container != DockerContainer::Ipsec) {
+                IpcClient::Interface()->flushDns();
+            }
 
             if (container != DockerContainer::Awg && container != DockerContainer::WireGuard) {
                 QString dns1 = m_vpnConfiguration.value(config_key::dns1).toString();

ipc/ipc_interface.rep

@@ -32,10 +32,21 @@ class IpcInterface
     SLOT( bool disableAllTraffic() );
     SLOT( bool refreshKillSwitch( bool enabled ) );
     SLOT( bool addKillSwitchAllowedRange( const QStringList ranges ) );
-    SLOT( bool removeKillSwitchAllowedRange( const QStringList ranges ) );
     SLOT( bool resetKillSwitchAllowedRange( const QStringList ranges ) );
     SLOT( bool enablePeerTraffic( const QJsonObject &configStr) );
     SLOT( bool enableKillSwitch( const QJsonObject &excludeAddr, int vpnAdapterIndex) );
     SLOT( bool updateResolvers(const QString& ifname, const QList<QHostAddress>& resolvers) );
+
+    SLOT( bool writeIPsecCaCert(QString cacert, QString uuid) );
+    SLOT( bool writeIPsecPrivate(QString privKey, QString uuid) );
+    SLOT( bool writeIPsecConfig(QString config) );
+    SLOT( bool writeIPsecUserCert(QString usercert, QString uuid) );
+    SLOT( bool writeIPsecPrivatePass(QString pass, QString host, QString uuid) );
+
+    SLOT( bool stopIPsec(QString tunnelName) );
+    SLOT( bool startIPsec(QString tunnelName) );
+
+    SLOT( QString getTunnelStatus(QString tunnelName) );
+
 };
 

ipc/ipcserver.cpp

@@ -4,6 +4,7 @@
 #include <QFileInfo>
 #include <QLocalSocket>
 #include <QObject>
+#include <QJsonArray>
 
 #include "logger.h"
 #include "router.h"
@@ -161,6 +162,7 @@ void IpcServer::StartRoutingIpv6()
 {
     Router::StartRoutingIpv6();
 }
+
 void IpcServer::StopRoutingIpv6()
 {
     Router::StopRoutingIpv6();
@@ -189,11 +191,6 @@ bool IpcServer::addKillSwitchAllowedRange(QStringList ranges)
     return KillSwitch::instance()->addAllowedRange(ranges);
 }
 
-bool IpcServer::removeKillSwitchAllowedRange(QStringList ranges)
-{
-    return KillSwitch::instance()->removeAllowedRange(ranges);
-}
-
 bool IpcServer::disableAllTraffic()
 {
     return KillSwitch::instance()->disableAllTraffic();
@@ -209,6 +206,196 @@ bool IpcServer::disableKillSwitch()
     return KillSwitch::instance()->disableKillSwitch();
 }
 
+bool IpcServer::startIPsec(QString tunnelName)
+{
+#ifdef Q_OS_LINUX
+    QProcess processSystemd;
+    QStringList commandsSystemd;
+    commandsSystemd << "systemctl" << "restart" << "ipsec";
+    processSystemd.start("sudo", commandsSystemd);
+    if (!processSystemd.waitForStarted(1000))
+    {
+        qDebug().noquote() << "Could not start ipsec tunnel!\n";
+        return false;
+    }
+    else if (!processSystemd.waitForFinished(2000))
+    {
+        qDebug().noquote() << "Could not start ipsec tunnel\n";
+        return false;
+    }
+    commandsSystemd.clear();
+
+    QThread::msleep(5000);
+
+    QProcess process;
+    QStringList commands;
+    commands << "ipsec" << "up" << QString("%1").arg(tunnelName);
+    process.start("sudo", commands);
+    if (!process.waitForStarted(1000))
+    {
+        qDebug().noquote() << "Could not start ipsec tunnel!\n";
+        return false;
+    }
+    else if (!process.waitForFinished(2000))
+    {
+        qDebug().noquote() << "Could not start ipsec tunnel\n";
+        return false;
+    }
+    commands.clear();
+#endif
+    return true;
+}
+
+bool IpcServer::stopIPsec(QString tunnelName)
+{
+#ifdef Q_OS_LINUX
+    QProcess process;
+    QStringList commands;
+    commands << "ipsec" << "down" << QString("%1").arg(tunnelName);
+    process.start("sudo", commands);
+    if (!process.waitForStarted(1000))
+    {
+        qDebug().noquote() << "Could not stop ipsec tunnel\n";
+        return false;
+    }
+    else if (!process.waitForFinished(2000))
+    {
+        qDebug().noquote() << "Could not stop ipsec tunnel\n";
+        return false;
+    }
+    commands.clear();
+#endif
+    return true;
+}
+
+bool IpcServer::writeIPsecConfig(QString config)
+{
+#ifdef Q_OS_LINUX
+    qDebug() << "IPSEC: IPSec config file";
+    QString configFile = QString("/etc/ipsec.conf");
+    QFile ipSecConfFile(configFile);
+    if (ipSecConfFile.open(QIODevice::WriteOnly)) {
+        ipSecConfFile.write(config.toUtf8());
+        ipSecConfFile.close();
+    }
+#endif
+    return true;
+}
+
+bool IpcServer::writeIPsecUserCert(QString usercert, QString uuid)
+{
+#ifdef Q_OS_LINUX
+    qDebug() << "IPSEC: Write user cert " << uuid;
+    QString certName = QString("/etc/ipsec.d/certs/%1.crt").arg(uuid);
+    QFile userCertFile(certName);
+    if (userCertFile.open(QIODevice::WriteOnly)) {
+        userCertFile.write(usercert.toUtf8());
+        userCertFile.close();
+    }
+#endif
+    return true;
+}
+
+bool IpcServer::writeIPsecCaCert(QString cacert, QString uuid)
+{
+#ifdef Q_OS_LINUX
+    qDebug() << "IPSEC: Write CA cert user " << uuid;
+    QString certName = QString("/etc/ipsec.d/cacerts/%1.crt").arg(uuid);
+    QFile caCertFile(certName);
+    if (caCertFile.open(QIODevice::WriteOnly)) {
+        caCertFile.write(cacert.toUtf8());
+        caCertFile.close();
+    }
+#endif
+    return true;
+}
+
+bool IpcServer::writeIPsecPrivate(QString privKey, QString uuid)
+{
+#ifdef Q_OS_LINUX
+    qDebug() << "IPSEC: User private key " << uuid;
+    QString privateKey = QString("/etc/ipsec.d/private/%1.p12").arg(uuid);
+    QFile pKeyFile(privateKey);
+    if (pKeyFile.open(QIODevice::WriteOnly)) {
+        pKeyFile.write(QByteArray::fromBase64(privKey.toUtf8()));
+        pKeyFile.close();
+    }
+#endif
+    return true;
+}
+
+
+bool IpcServer::writeIPsecPrivatePass(QString pass, QString host, QString uuid)
+{
+#ifdef Q_OS_LINUX
+    qDebug() << "IPSEC: User private key " << uuid;
+    const QString secretsFilename = "/etc/ipsec.secrets";
+    QStringList lines;
+
+    {
+        QFile secretsFile(secretsFilename);
+        if (secretsFile.open(QIODevice::ReadOnly | QIODevice::Text))
+        {
+            QTextStream edit(&secretsFile);
+            while (!edit.atEnd()) lines.push_back(edit.readLine());
+        }
+        secretsFile.close();
+    }
+
+    for (auto iter = lines.begin(); iter!=lines.end();)
+    {
+        if (iter->contains(host))
+        {
+            iter = lines.erase(iter);
+        }
+        else
+        {
+            ++iter;
+        }
+    }
+
+    {
+        QFile secretsFile(secretsFilename);
+        if (secretsFile.open(QIODevice::WriteOnly | QIODevice::Text))
+        {
+            QTextStream edit(&secretsFile);
+            for (int i=0; i<lines.size(); i++) edit << lines[i] << Qt::endl;
+        }
+        QString P12 = QString("%any %1 : P12 %2.p12 \"%3\" \n").arg(host, uuid, pass);
+        secretsFile.write(P12.toUtf8());
+        secretsFile.close();
+    }
+#endif
+    return true;
+}
+
+QString IpcServer::getTunnelStatus(QString tunnelName)
+{
+#ifdef Q_OS_LINUX
+    QProcess process;
+    QStringList commands;
+    commands << "ipsec" << "status" << QString("%1").arg(tunnelName);
+    process.start("sudo", commands);
+    if (!process.waitForStarted(1000))
+    {
+        qDebug().noquote() << "Could not stop ipsec tunnel\n";
+        return "";
+    }
+    else if (!process.waitForFinished(2000))
+    {
+        qDebug().noquote() << "Could not stop ipsec tunnel\n";
+        return "";
+    }
+    commands.clear();
+
+
+    QString status = process.readAll();
+    return status;
+#endif
+    return QString();
+
+}
+
 bool IpcServer::enablePeerTraffic(const QJsonObject &configStr)
 {
     return KillSwitch::instance()->enablePeerTraffic(configStr);

ipc/ipcserver.h

@@ -36,13 +36,20 @@ public:
     virtual void StopRoutingIpv6() override;
     virtual bool disableAllTraffic() override;
     virtual bool addKillSwitchAllowedRange(QStringList ranges) override;
-    virtual bool removeKillSwitchAllowedRange(QStringList ranges) override;
     virtual bool resetKillSwitchAllowedRange(QStringList ranges) override;
     virtual bool enablePeerTraffic(const QJsonObject &configStr) override;
     virtual bool enableKillSwitch(const QJsonObject &excludeAddr, int vpnAdapterIndex) override;
     virtual bool disableKillSwitch() override;
     virtual bool refreshKillSwitch( bool enabled ) override;
     virtual bool updateResolvers(const QString& ifname, const QList<QHostAddress>& resolvers) override;
+    virtual bool writeIPsecCaCert(QString cacert, QString uuid) override;
+    virtual bool writeIPsecPrivate(QString privKey, QString uuid) override;
+    virtual bool writeIPsecConfig(QString config) override;
+    virtual bool writeIPsecUserCert(QString usercert, QString uuid) override;
+    virtual bool writeIPsecPrivatePass(QString pass, QString host, QString uuid) override;
+    virtual bool stopIPsec(QString tunnelName) override;
+    virtual bool startIPsec(QString tunnelName) override;
+    virtual QString getTunnelStatus(QString tunnelName) override;
 
 private:
     int m_localpid = 0;

service/server/killswitch.cpp

@@ -189,21 +189,6 @@ bool KillSwitch::addAllowedRange(const QStringList &ranges) {
     return resetAllowedRange(m_allowedRanges);
 }
 
-bool KillSwitch::removeAllowedRange(const QStringList &ranges) {
-    bool modified = false;
-    for (const QString &range : ranges) {
-        if (!range.isEmpty()) {
-            modified = modified || m_allowedRanges.removeAll(range) > 0;
-        }
-    }
-
-    if (!modified) {
-        return true;
-    }
-
-    return resetAllowedRange(m_allowedRanges);
-}
-
 bool KillSwitch::enablePeerTraffic(const QJsonObject &configStr) {
 #ifdef Q_OS_WIN
     InterfaceConfig config;

service/server/killswitch.h

@@ -19,7 +19,6 @@ public:
     bool enableKillSwitch(const QJsonObject &configStr, int vpnAdapterIndex);
     bool resetAllowedRange(const QStringList &ranges);
     bool addAllowedRange(const QStringList &ranges);
-    bool removeAllowedRange(const QStringList &ranges);
     bool isStrictKillSwitchEnabled();
 
 private: