From 1d653535ba8935876975788f9fb72014a440074b Mon Sep 17 00:00:00 2001
From: Valeriy Manzhos <47538801+InvisibleRain@users.noreply.github.com>
Date: Thu, 9 Apr 2026 18:45:02 +0300
Subject: [PATCH] Don't generate TUN config for sing-box on Linux

---
 .../Services/CoreConfig/Singbox/SingboxConfigTemplateService.cs | 2 +-
 .../ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs | 2 +-
 .../Services/CoreConfig/Singbox/SingboxInboundService.cs        | 2 +-
 .../Services/CoreConfig/Singbox/SingboxRoutingService.cs        | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxConfigTemplateService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxConfigTemplateService.cs
index 25b29701..7f7b0b13 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxConfigTemplateService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxConfigTemplateService.cs
@@ -10,7 +10,7 @@ public partial class CoreConfigSingboxService
             return JsonUtils.Serialize(_coreConfig);
         }
 
-        var fullConfigTemplateItem = context.IsTunEnabled ? fullConfigTemplate.TunConfig : fullConfigTemplate.Config;
+        var fullConfigTemplateItem = (context.IsTunEnabled && !Utils.IsLinux()) ? fullConfigTemplate.TunConfig : fullConfigTemplate.Config;
         if (fullConfigTemplateItem.IsNullOrEmpty())
         {
             return JsonUtils.Serialize(_coreConfig);
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs
index f09d3ee9..8504042d 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs
@@ -414,7 +414,7 @@ public partial class CoreConfigSingboxService
         {
             var item = context.RawDnsItem;
             var strDNS = string.Empty;
-            if (context.IsTunEnabled)
+            if (context.IsTunEnabled && !Utils.IsLinux())
             {
                 strDNS = string.IsNullOrEmpty(item?.TunDNS) ? EmbedUtils.GetEmbedText(Global.TunSingboxDNSFileName) : item?.TunDNS;
             }
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxInboundService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxInboundService.cs
index 3a27c7da..42f55615 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxInboundService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxInboundService.cs
@@ -50,7 +50,7 @@ public partial class CoreConfigSingboxService
                 }
             }
 
-            if (context.IsTunEnabled)
+            if (context.IsTunEnabled && !Utils.IsLinux())
             {
                 if (_config.TunModeItem.Mtu <= 0)
                 {
diff --git a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
index 01c32cc2..75bb6894 100644
--- a/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
+++ b/v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxRoutingService.cs
@@ -24,7 +24,7 @@ public partial class CoreConfigSingboxService
                 strategy = directDnsStrategy
             };
 
-            if (_config.TunModeItem.EnableTun)
+            if (_config.TunModeItem.EnableTun && !Utils.IsLinux())
             {
                 _coreConfig.route.auto_detect_interface = true;