From 764d432453db031c66ee6eaa919fbfb20533f538 Mon Sep 17 00:00:00 2001
From: Mykola Baibuz <mykola.baibuz@gmail.com>
Date: Tue, 15 Apr 2025 20:34:00 +0300
Subject: [PATCH 1/3] fix: AWG/WG protocol with system disabled IPv6

---
 client/platforms/windows/daemon/wireguardutilswindows.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/client/platforms/windows/daemon/wireguardutilswindows.cpp b/client/platforms/windows/daemon/wireguardutilswindows.cpp
index 0823b9d7..c3ac3b30 100644
--- a/client/platforms/windows/daemon/wireguardutilswindows.cpp
+++ b/client/platforms/windows/daemon/wireguardutilswindows.cpp
@@ -14,8 +14,6 @@
 
 #include "leakdetector.h"
 #include "logger.h"
-#include "platforms/windows/windowscommons.h"
-#include "windowsdaemon.h"
 #include "windowsfirewall.h"
 
 #pragma comment(lib, "iphlpapi.lib")
@@ -269,6 +267,12 @@ bool WireguardUtilsWindows::updateRoutePrefix(const IPAddress& prefix) {
   if (result == ERROR_OBJECT_ALREADY_EXISTS) {
     return true;
   }
+
+  // Case for ipv6 route with disabled ipv6
+  if (result == ERROR_NOT_FOUND) {
+    return true;
+  }
+
   if (result != NO_ERROR) {
     logger.error() << "Failed to create route to"
                    << prefix.toString()

From 25f7356a1a707e0c5e414c8af49de2648acceb88 Mon Sep 17 00:00:00 2001
From: Mykola Baibuz <mykola.baibuz@gmail.com>
Date: Wed, 16 Apr 2025 12:12:18 +0300
Subject: [PATCH 2/3] add check for route prefix type

---
 client/platforms/windows/daemon/wireguardutilswindows.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/client/platforms/windows/daemon/wireguardutilswindows.cpp b/client/platforms/windows/daemon/wireguardutilswindows.cpp
index c3ac3b30..d01ef54a 100644
--- a/client/platforms/windows/daemon/wireguardutilswindows.cpp
+++ b/client/platforms/windows/daemon/wireguardutilswindows.cpp
@@ -269,7 +269,8 @@ bool WireguardUtilsWindows::updateRoutePrefix(const IPAddress& prefix) {
   }
 
   // Case for ipv6 route with disabled ipv6
-  if (result == ERROR_NOT_FOUND) {
+  if (prefix.address().protocol() == QAbstractSocket::IPv6Protocol
+      && result == ERROR_NOT_FOUND) {
     return true;
   }
 

From 75d5b73e2f003efacd61fa1310ee1a744f276c49 Mon Sep 17 00:00:00 2001
From: Mykola Baibuz <mykola.baibuz@gmail.com>
Date: Mon, 28 Apr 2025 15:38:37 +0300
Subject: [PATCH 3/3] fix: ignore IPv6 setup error for Linux

This error can be cased by system disabled IPv6
---
 client/platforms/linux/daemon/iputilslinux.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/client/platforms/linux/daemon/iputilslinux.cpp b/client/platforms/linux/daemon/iputilslinux.cpp
index f0f2fbab..63bd92f9 100644
--- a/client/platforms/linux/daemon/iputilslinux.cpp
+++ b/client/platforms/linux/daemon/iputilslinux.cpp
@@ -31,7 +31,9 @@ IPUtilsLinux::~IPUtilsLinux() {
 }
 
 bool IPUtilsLinux::addInterfaceIPs(const InterfaceConfig& config) {
-  return addIP4AddressToDevice(config) && addIP6AddressToDevice(config);
+  bool ret = addIP4AddressToDevice(config);
+  addIP6AddressToDevice(config);
+  return ret;
 }
 
 bool IPUtilsLinux::setMTUAndUp(const InterfaceConfig& config) {