Files
amnezia-client/service/server/xray.cpp
2026-05-04 13:49:33 +03:00

132 lines
3.8 KiB
C++

#include "xray.h"
#include "core/utils/networkUtilities.h"
#include <QDebug>
#include <QFile>
#include <QNetworkInterface>
#include <QCoreApplication>
#include <amnezia_xray.h>
#include <qdebug.h>
#ifdef Q_OS_DARWIN
#include <arpa/inet.h>
#include <cerrno>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <ifaddrs.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <sys/socket.h>
#endif
#ifdef Q_OS_WIN
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#ifdef Q_OS_LINUX
#include <sys/socket.h>
#endif
bool Xray::startXray(const QString &cfg)
{
qDebug() << "Xray::startXray()";
auto defaultIface = NetworkUtilities::getGatewayAndIface().second;
#ifdef Q_OS_LINUX
m_defaultIfaceName = defaultIface.name().toUtf8();
#else
m_defaultIfaceIdx = defaultIface.index();
#endif
if (auto err = amnezia_xray_setsockcallback(ctxSockCallback, this); err != nullptr) {
qDebug() << "[xray] sockopt failed: " << err;
amnezia_xray_free(err);
return false;
}
amnezia_xray_setloghandler(ctxLogHandler, this);
QByteArray bytes = cfg.toUtf8();
// Temporary aid for manual verification of SOCKS auth (inbounds.settings.accounts).
// Debug: always writes. Release: set env AMNEZIA_SAVE_XRAY_CONFIG=1 (if the daemon inherits it).
{
#if defined(MZ_DEBUG)
const bool saveForTest = true;
#else
const bool saveForTest = !qgetenv("AMNEZIA_SAVE_XRAY_CONFIG").isEmpty();
#endif
if (saveForTest) {
#ifdef Q_OS_WIN
const QString debugPath = QStandardPaths::writableLocation(QStandardPaths::TempLocation)
+ QStringLiteral("/amnezia-xray-config.json");
#else
const QString debugPath = QStringLiteral("/tmp/amnezia-xray-config.json");
#endif
QFile f(debugPath);
if (f.open(QIODevice::WriteOnly | QIODevice::Truncate)) {
f.write(bytes);
f.close();
qDebug() << "[xray] wrote last config for testing:" << debugPath;
} else {
qWarning() << "[xray] failed to write test config to" << debugPath;
}
}
}
if (auto err = amnezia_xray_configure(bytes.data()); err != nullptr) {
qDebug() << "[xray] configuration failed: " << err;
amnezia_xray_free(err);
return false;
}
if (auto err = amnezia_xray_start(); err != nullptr) {
qDebug() << "[xray] failed to start: " << err;
amnezia_xray_free(err);
return false;
}
return true;
}
bool Xray::stopXray()
{
qDebug() << "Xray::stopXray()";
if (auto err = amnezia_xray_stop(); err != nullptr) {
qDebug() << "[xray] failed to stop: " << err;
amnezia_xray_free(err);
return false;
}
return true;
}
void Xray::logHandler(char* str)
{
QMetaObject::invokeMethod(qApp, [str = QString::fromUtf8(str)] {
qDebug() << "[xray]" << str;
}, Qt::QueuedConnection);
}
void Xray::sockCallback(uintptr_t fd)
{
#ifdef Q_OS_MAC
if (m_defaultIfaceIdx > 0) {
setsockopt(fd, IPPROTO_IP, IP_BOUND_IF, &m_defaultIfaceIdx, sizeof(m_defaultIfaceIdx));
setsockopt(fd, IPPROTO_IPV6, IPV6_BOUND_IF, &m_defaultIfaceIdx, sizeof(m_defaultIfaceIdx));
}
#endif
#ifdef Q_OS_WIN
if (DWORD idx = m_defaultIfaceIdx; idx > 0) {
setsockopt(fd, IPPROTO_IPV6, IPV6_UNICAST_IF, reinterpret_cast<char *>(&idx), sizeof(idx));
idx = htonl(idx); // IP_UNICAST_IF expects index in network byte order
setsockopt(fd, IPPROTO_IP, IP_UNICAST_IF, reinterpret_cast<char *>(&idx), sizeof(idx));
}
#endif
#ifdef Q_OS_LINUX
if (!m_defaultIfaceName.isEmpty()) {
setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, m_defaultIfaceName.data(), m_defaultIfaceName.size());
}
#endif
}