feature: fillswitch strict mode (#1333)

* Add allowed DNS list for killswitch

* Windows killswitch strict mode backend part

* Killswitch strict mode for Linux and MacOS

* Windows fixes

* feature: Add Kill Switch settings page with strict mode option

* fix windows build after merge

* Refresh killswitch mode when it toggled

* Use HLM to store strictMode flag

* Some Linux updates

* feat: Enhance VerticalRadioButton with improved styling and disabled states

* Refresh killSwitch state update

* Fix build

* refactor: Modularize header components

* Change kill switch radio button styling

* Fix strict kill switch mode handling

* Refactor: Replace HeaderType with new Types for headers in QML pages

* Remove deprecated HeaderType QML component

* Refresh strict mode killswitch after global toggle change

* Implement model, controller and UI for killswitch dns exceptions

* Connect backend part and UI

* Change label text to DNS exceptions

* Remove HeaderType from PageSettingsApiDevices

* Some pretty fixes

* Fix problem with definition sequence of PageSettingsKillSwitchExceptions.pml elements

* Add exclusion method for Windows firewall

* Change ubuntu version in deploy script

* Update ubuntu version in GH actions

* Add confirmation popup for strict killswitch mode

* Add qt standard path for build script

* Add method to killswitch for expanding strickt mode exceptions list and fix allowTrafficTo() for Windows. Also Added cache in KillSwitch class for exceptions

* Add insertion of gateway address to strict killswitch exceptions

* Review fixes

* buildfix and naming

---------

Co-authored-by: aiamnezia <ai@amnezia.org>
This commit is contained in:
Mykola Baibuz 2025-05-02 23:54:36 -07:00 committed by GitHub
parent 5bd88ac2e9
commit f6d7552b58
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
88 changed files with 1718 additions and 418 deletions

View file

@ -29,6 +29,10 @@ class IpcInterface
SLOT( void StopRoutingIpv6() );
SLOT( bool disableKillSwitch() );
SLOT( bool disableAllTraffic() );
SLOT( bool refreshKillSwitch( bool enabled ) );
SLOT( bool addKillSwitchAllowedRange( 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) );

View file

@ -8,21 +8,12 @@
#include "logger.h"
#include "router.h"
#include "../core/networkUtilities.h"
#include "../client/protocols/protocols_defs.h"
#include "killswitch.h"
#ifdef Q_OS_WIN
#include "../client/platforms/windows/daemon/windowsdaemon.h"
#include "../client/platforms/windows/daemon/windowsfirewall.h"
#include "tapcontroller_win.h"
#endif
#ifdef Q_OS_LINUX
#include "../client/platforms/linux/daemon/linuxfirewall.h"
#endif
#ifdef Q_OS_MACOS
#include "../client/platforms/macos/daemon/macosfirewall.h"
#endif
IpcServer::IpcServer(QObject *parent) : IpcInterfaceSource(parent)
@ -188,174 +179,37 @@ void IpcServer::setLogsEnabled(bool enabled)
}
}
bool IpcServer::resetKillSwitchAllowedRange(QStringList ranges)
{
return KillSwitch::instance()->resetAllowedRange(ranges);
}
bool IpcServer::addKillSwitchAllowedRange(QStringList ranges)
{
return KillSwitch::instance()->addAllowedRange(ranges);
}
bool IpcServer::disableAllTraffic()
{
return KillSwitch::instance()->disableAllTraffic();
}
bool IpcServer::enableKillSwitch(const QJsonObject &configStr, int vpnAdapterIndex)
{
#ifdef Q_OS_WIN
auto firewallManager = WindowsFirewall::create(this);
Q_ASSERT(firewallManager != nullptr);
return firewallManager->enableInterface(vpnAdapterIndex);
#endif
#if defined(Q_OS_LINUX) || defined(Q_OS_MACOS)
int splitTunnelType = configStr.value("splitTunnelType").toInt();
QJsonArray splitTunnelSites = configStr.value("splitTunnelSites").toArray();
bool blockAll = 0;
bool allowNets = 0;
bool blockNets = 0;
QStringList allownets;
QStringList blocknets;
if (splitTunnelType == 0) {
blockAll = true;
allowNets = true;
allownets.append(configStr.value("vpnServer").toString());
} else if (splitTunnelType == 1) {
blockNets = true;
for (auto v : splitTunnelSites) {
blocknets.append(v.toString());
}
} else if (splitTunnelType == 2) {
blockAll = true;
allowNets = true;
allownets.append(configStr.value("vpnServer").toString());
for (auto v : splitTunnelSites) {
allownets.append(v.toString());
}
}
#endif
#ifdef Q_OS_LINUX
// double-check + ensure our firewall is installed and enabled
if (!LinuxFirewall::isInstalled())
LinuxFirewall::install();
LinuxFirewall::setAnchorEnabled(LinuxFirewall::Both, QStringLiteral("000.allowLoopback"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::Both, QStringLiteral("100.blockAll"), blockAll);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv4, QStringLiteral("110.allowNets"), allowNets);
LinuxFirewall::updateAllowNets(allownets);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv4, QStringLiteral("120.blockNets"), blockAll);
LinuxFirewall::updateBlockNets(blocknets);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv4, QStringLiteral("200.allowVPN"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv6, QStringLiteral("250.blockIPv6"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::Both, QStringLiteral("290.allowDHCP"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::Both, QStringLiteral("300.allowLAN"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv4, QStringLiteral("310.blockDNS"), true);
QStringList dnsServers;
dnsServers.append(configStr.value(amnezia::config_key::dns1).toString());
dnsServers.append(configStr.value(amnezia::config_key::dns2).toString());
dnsServers.append("127.0.0.1");
dnsServers.append("127.0.0.53");
LinuxFirewall::updateDNSServers(dnsServers);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::IPv4, QStringLiteral("320.allowDNS"), true);
LinuxFirewall::setAnchorEnabled(LinuxFirewall::Both, QStringLiteral("400.allowPIA"), true);
#endif
#ifdef Q_OS_MACOS
// double-check + ensure our firewall is installed and enabled. This is necessary as
// other software may disable pfctl before re-enabling with their own rules (e.g other VPNs)
if (!MacOSFirewall::isInstalled())
MacOSFirewall::install();
MacOSFirewall::ensureRootAnchorPriority();
MacOSFirewall::setAnchorEnabled(QStringLiteral("000.allowLoopback"), true);
MacOSFirewall::setAnchorEnabled(QStringLiteral("100.blockAll"), blockAll);
MacOSFirewall::setAnchorEnabled(QStringLiteral("110.allowNets"), allowNets);
MacOSFirewall::setAnchorTable(QStringLiteral("110.allowNets"), allowNets, QStringLiteral("allownets"), allownets);
MacOSFirewall::setAnchorEnabled(QStringLiteral("120.blockNets"), blockNets);
MacOSFirewall::setAnchorTable(QStringLiteral("120.blockNets"), blockNets, QStringLiteral("blocknets"), blocknets);
MacOSFirewall::setAnchorEnabled(QStringLiteral("200.allowVPN"), true);
MacOSFirewall::setAnchorEnabled(QStringLiteral("250.blockIPv6"), true);
MacOSFirewall::setAnchorEnabled(QStringLiteral("290.allowDHCP"), true);
MacOSFirewall::setAnchorEnabled(QStringLiteral("300.allowLAN"), true);
QStringList dnsServers;
dnsServers.append(configStr.value(amnezia::config_key::dns1).toString());
dnsServers.append(configStr.value(amnezia::config_key::dns2).toString());
MacOSFirewall::setAnchorEnabled(QStringLiteral("310.blockDNS"), true);
MacOSFirewall::setAnchorTable(QStringLiteral("310.blockDNS"), true, QStringLiteral("dnsaddr"), dnsServers);
#endif
return true;
return KillSwitch::instance()->enableKillSwitch(configStr, vpnAdapterIndex);
}
bool IpcServer::disableKillSwitch()
{
#ifdef Q_OS_WIN
auto firewallManager = WindowsFirewall::create(this);
Q_ASSERT(firewallManager != nullptr);
return firewallManager->disableKillSwitch();
#endif
#ifdef Q_OS_LINUX
LinuxFirewall::uninstall();
#endif
#ifdef Q_OS_MACOS
MacOSFirewall::uninstall();
#endif
return true;
return KillSwitch::instance()->disableKillSwitch();
}
bool IpcServer::enablePeerTraffic(const QJsonObject &configStr)
{
#ifdef Q_OS_WIN
InterfaceConfig config;
config.m_dnsServer = configStr.value(amnezia::config_key::dns1).toString();
config.m_serverPublicKey = "openvpn";
config.m_serverIpv4Gateway = configStr.value("vpnGateway").toString();
config.m_serverIpv4AddrIn = configStr.value("vpnServer").toString();
int vpnAdapterIndex = configStr.value("vpnAdapterIndex").toInt();
int inetAdapterIndex = configStr.value("inetAdapterIndex").toInt();
int splitTunnelType = configStr.value("splitTunnelType").toInt();
QJsonArray splitTunnelSites = configStr.value("splitTunnelSites").toArray();
QStringList AllowedIPAddesses;
// Use APP split tunnel
if (splitTunnelType == 0 || splitTunnelType == 2) {
config.m_allowedIPAddressRanges.append(IPAddress(QHostAddress("0.0.0.0"), 0));
config.m_allowedIPAddressRanges.append(IPAddress(QHostAddress("::"), 0));
}
if (splitTunnelType == 1) {
for (auto v : splitTunnelSites) {
QString ipRange = v.toString();
if (ipRange.split('/').size() > 1) {
config.m_allowedIPAddressRanges.append(
IPAddress(QHostAddress(ipRange.split('/')[0]), atoi(ipRange.split('/')[1].toLocal8Bit())));
} else {
config.m_allowedIPAddressRanges.append(IPAddress(QHostAddress(ipRange), 32));
}
}
}
config.m_excludedAddresses.append(configStr.value("vpnServer").toString());
if (splitTunnelType == 2) {
for (auto v : splitTunnelSites) {
QString ipRange = v.toString();
config.m_excludedAddresses.append(ipRange);
}
}
for (const QJsonValue &i : configStr.value(amnezia::config_key::splitTunnelApps).toArray()) {
if (!i.isString()) {
break;
}
config.m_vpnDisabledApps.append(i.toString());
}
// killSwitch toggle
if (QVariant(configStr.value(amnezia::config_key::killSwitchOption).toString()).toBool()) {
auto firewallManager = WindowsFirewall::create(this);
Q_ASSERT(firewallManager != nullptr);
firewallManager->enablePeerTraffic(config);
}
WindowsDaemon::instance()->prepareActivation(config, inetAdapterIndex);
WindowsDaemon::instance()->activateSplitTunnel(config, vpnAdapterIndex);
#endif
return true;
return KillSwitch::instance()->enablePeerTraffic(configStr);
}
bool IpcServer::refreshKillSwitch(bool enabled)
{
return KillSwitch::instance()->refresh(enabled);
}

View file

@ -34,9 +34,13 @@ public:
virtual bool deleteTun(const QString &dev) override;
virtual void StartRoutingIpv6() override;
virtual void StopRoutingIpv6() override;
virtual bool disableAllTraffic() override;
virtual bool addKillSwitchAllowedRange(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;
private: