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feat: TrafficGuard owns Xray adapter IP swap on Windows

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cd-amn
2026-06-15 21:22:06 +04:00
parent 40ba31f54b
commit ef1ed7064a
6 changed files with 116 additions and 0 deletions
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ipc/ipcserver.cpp
+76
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@@ -29,6 +29,9 @@
#endif
#ifdef Q_OS_WIN
#include <winsock2.h>
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include "tapcontroller_win.h"
#endif
@@ -212,6 +215,79 @@ bool IpcServer::deleteTun(const QString &dev)
return Router::deleteTun(dev);
}
bool IpcServer::applyAdapterAddress(const QString &ifname, const QString &ipv4, const QString &ipv6)
{
#ifdef Q_OS_WIN
bool ok = true;
// Router::createTun on Windows assigns the address and blocks until it
// becomes live on the adapter (NotifyUnicastIpAddressChange callback).
if (!ipv4.isEmpty()) {
ok &= Router::createTun(ifname, ipv4);
}
if (!ipv6.isEmpty()) {
NET_LUID luid;
if (ConvertInterfaceAliasToLuid(reinterpret_cast<const wchar_t*>(ifname.utf16()), &luid) != NO_ERROR) {
qWarning() << "IpcServer::applyAdapterAddress: cannot resolve" << ifname;
return false;
}
const QByteArray ip = ipv6.section('/', 0, 0).toUtf8();
MIB_UNICASTIPADDRESS_ROW row;
InitializeUnicastIpAddressEntry(&row);
row.InterfaceLuid.Value = luid.Value;
row.Address.si_family = AF_INET6;
row.OnLinkPrefixLength = 128;
row.DadState = IpDadStatePreferred;
if (InetPtonA(AF_INET6, ip.toStdString().c_str(), &row.Address.Ipv6.sin6_addr) != 1) {
qWarning() << "IpcServer::applyAdapterAddress: cannot parse" << ipv6;
return false;
}
DWORD r = CreateUnicastIpAddressEntry(&row);
ok &= (r == NO_ERROR || r == ERROR_OBJECT_ALREADY_EXISTS);
}
return ok;
#else
Q_UNUSED(ifname)
Q_UNUSED(ipv4)
Q_UNUSED(ipv6)
return true;
#endif
}
bool IpcServer::removeAdapterAddress(const QString &ifname, const QString &ipv4, const QString &ipv6)
{
#ifdef Q_OS_WIN
NET_LUID luid;
if (ConvertInterfaceAliasToLuid(reinterpret_cast<const wchar_t*>(ifname.utf16()), &luid) != NO_ERROR) {
qWarning() << "IpcServer::removeAdapterAddress: cannot resolve" << ifname;
return false;
}
auto removeOne = [&](const QString& addr, int family) -> bool {
if (addr.isEmpty()) return true;
const QByteArray ip = addr.section('/', 0, 0).toUtf8();
MIB_UNICASTIPADDRESS_ROW row;
InitializeUnicastIpAddressEntry(&row);
row.InterfaceLuid.Value = luid.Value;
row.Address.si_family = static_cast<ADDRESS_FAMILY>(family);
void* dst = (family == AF_INET)
? static_cast<void*>(&row.Address.Ipv4.sin_addr)
: static_cast<void*>(&row.Address.Ipv6.sin6_addr);
if (InetPtonA(family, ip.toStdString().c_str(), dst) != 1) return false;
DWORD r = DeleteUnicastIpAddressEntry(&row);
return r == NO_ERROR || r == ERROR_NOT_FOUND;
};
bool ok = removeOne(ipv4, AF_INET);
ok &= removeOne(ipv6, AF_INET6);
return ok;
#else
Q_UNUSED(ifname)
Q_UNUSED(ipv4)
Q_UNUSED(ipv6)
return true;
#endif
}
bool IpcServer::updateResolvers(const QString &ifname, const QList<QHostAddress> &resolvers)
{
#ifdef MZ_DEBUG