generate a single file for sing-box tun mode

v2rayN/v2rayN/Global.cs

@@ -35,6 +35,8 @@
         public const string v2raySampleInbound = "v2rayN.Sample.SampleInbound";
         public const string TunSingboxFileName = "v2rayN.Sample.tun_singbox";
         public const string TunSingboxDNSFileName = "v2rayN.Sample.tun_singbox_dns";
+        public const string TunSingboxInboundFileName = "v2rayN.Sample.tun_singbox_inbound";
+        public const string TunSingboxRulesFileName = "v2rayN.Sample.tun_singbox_rules";
 
         public const string DefaultSecurity = "auto";
         public const string DefaultNetwork = "tcp";

v2rayN/v2rayN/Handler/CoreConfigSingbox.cs

@@ -77,6 +77,10 @@ namespace v2rayN.Handler
                         singboxConfig.log.level = _config.coreBasicItem.loglevel;
                         break;
 
+                    case "warn":
+                        singboxConfig.log.level = "warning";
+                        break;
+
                     default:
                         break;
                 }
@@ -100,6 +104,28 @@ namespace v2rayN.Handler
         private int inbound(SingboxConfig singboxConfig)
         {
             try
+            {
+                if (_config.tunModeItem.enableTun)
+                {
+                    singboxConfig.inbounds.Clear();
+
+                    if (_config.tunModeItem.mtu <= 0)
+                    {
+                        _config.tunModeItem.mtu = Convert.ToInt32(Global.TunMtus[0]);
+                    }
+                    if (Utils.IsNullOrEmpty(_config.tunModeItem.stack))
+                    {
+                        _config.tunModeItem.stack = Global.TunStacks[0];
+                    }
+
+                    var tunInbound = Utils.FromJson<Inbound4Sbox>(Utils.GetEmbedText(Global.TunSingboxInboundFileName));
+                    tunInbound.mtu = _config.tunModeItem.mtu;
+                    tunInbound.strict_route = _config.tunModeItem.strictRoute;
+                    tunInbound.stack = _config.tunModeItem.stack;
+
+                    singboxConfig.inbounds.Add(tunInbound);
+                }
+                else
                 {
                     var inbound = singboxConfig.inbounds[0];
                     inbound.listen_port = LazyConfig.Instance.GetLocalPort(Global.InboundSocks);
@@ -125,6 +151,7 @@ namespace v2rayN.Handler
                         }
                     }
                 }
+            }
             catch (Exception ex)
             {
                 Utils.SaveLog(ex.Message, ex);
@@ -138,6 +165,15 @@ namespace v2rayN.Handler
         {
             try
             {
+                if (_config.tunModeItem.enableTun)
+                {
+                    singboxConfig.outbounds.Add(new()
+                    {
+                        type = "dns",
+                        tag = "dns_out"
+                    });
+                }
+
                 var outbound = singboxConfig.outbounds[0];
                 outbound.server = node.address;
                 outbound.server_port = node.port;
@@ -326,6 +362,28 @@ namespace v2rayN.Handler
         {
             try
             {
+                if (_config.tunModeItem.enableTun)
+                {
+                    singboxConfig.route.auto_detect_interface = true;
+
+                    var tunRules = Utils.FromJson<List<Rule4Sbox>>(Utils.GetEmbedText(Global.TunSingboxRulesFileName));
+                    singboxConfig.route.rules.AddRange(tunRules);
+
+                    routingDirectExe(out List<string> lstDnsExe, out List<string> lstDirectExe);
+                    singboxConfig.route.rules.Add(new()
+                    {
+                        port = new() { 53 },
+                        outbound = "dns_out",
+                        process_name = lstDnsExe
+                    });
+
+                    singboxConfig.route.rules.Add(new()
+                    {
+                        outbound = "direct",
+                        process_name = lstDirectExe
+                    });                     
+                }
+
                 if (_config.routingBasicItem.enableRoutingAdvanced)
                 {
                     var routing = ConfigHandler.GetDefaultRouting(ref _config);
@@ -361,6 +419,32 @@ namespace v2rayN.Handler
             return 0;
         }
 
+        private void routingDirectExe(out List<string> lstDnsExe, out List<string> lstDirectExe)
+        {
+            lstDnsExe = new();
+            lstDirectExe = new();
+            var coreInfos = LazyConfig.Instance.GetCoreInfos();
+            foreach (var it in coreInfos)
+            {
+                if (it.coreType == ECoreType.v2rayN)
+                {
+                    continue;
+                }
+                foreach (var it2 in it.coreExes)
+                {
+                    if (!lstDnsExe.Contains(it2) && it.coreType != ECoreType.sing_box)
+                    {
+                        lstDnsExe.Add($"{it2}.exe");
+                    }
+
+                    if (!lstDirectExe.Contains(it2))
+                    {
+                        lstDirectExe.Add($"{it2}.exe");
+                    }
+                }
+            }
+        }
+
         private int routingUserRule(RulesItem item, List<Rule4Sbox> rules)
         {
             try
@@ -496,6 +580,14 @@ namespace v2rayN.Handler
         private int dns(SingboxConfig singboxConfig)
         {
             try
+            {
+                if (_config.tunModeItem.enableTun)
+                {
+                    var tunDNS = Utils.GetEmbedText(Global.TunSingboxDNSFileName);
+                    var obj = Utils.ParseJson(tunDNS);
+                    singboxConfig.dns = obj;
+                }
+                else
                 {
                     var item = LazyConfig.Instance.GetDNSItem(ECoreType.sing_box);
                     var normalDNS = item?.normalDNS;
@@ -510,6 +602,7 @@ namespace v2rayN.Handler
                         singboxConfig.dns = obj;
                     }
                 }
+            }
             catch (Exception ex)
             {
                 Utils.SaveLog(ex.Message, ex);

v2rayN/v2rayN/Mode/SingboxConfig.cs

@@ -26,8 +26,8 @@
 
     public class Route4Sbox
     {
-        public List<Rule4Sbox> rules { get; set; }
         public bool? auto_detect_interface { get; set; }
+        public List<Rule4Sbox> rules { get; set; }
     }
 
     [Serializable]
@@ -40,6 +40,7 @@
         public List<string>? protocol { get; set; }
         public string type { get; set; }
         public string mode { get; set; }
+        public string network { get; set; }
         public List<int>? port { get; set; }
         public List<string>? port_range { get; set; }
         public List<string>? geosite { get; set; }
@@ -49,6 +50,7 @@
         public List<string>? domain_regex { get; set; }
         public List<string>? geoip { get; set; }
         public List<string>? ip_cidr { get; set; }
+        public List<string>? source_ip_cidr { get; set; }
 
         public List<string>? process_name { get; set; }
     }
@@ -59,7 +61,7 @@
         public string type { get; set; }
         public string tag { get; set; }
         public string listen { get; set; }
-        public int listen_port { get; set; }
+        public int? listen_port { get; set; }
         public string domain_strategy { get; set; }
         public string interface_name { get; set; }
         public string inet4_address { get; set; }

v2rayN/v2rayN/Sample/tun_singbox_inbound

@@ -0,0 +1,12 @@
+{
+   "type":"tun",
+   "tag":"tun-in",
+   "interface_name":"singbox_tun",
+   "inet4_address":"172.19.0.1/30",
+   "mtu":9000,
+   "auto_route":true,
+   "strict_route":false,
+   "stack":"system",
+   "endpoint_independent_nat":true,
+   "sniff":true
+}

v2rayN/v2rayN/Sample/tun_singbox_rules

@@ -0,0 +1,35 @@
+[
+  {
+    "inbound": [ "dns_in" ],
+    "outbound": "dns_out"
+  },
+  {
+    "protocol": [ "dns" ],
+    "outbound": "dns_out"
+  },
+  {
+    "network": "udp",
+    "port": [
+      135,
+      137,
+      138,
+      139,
+      5353
+    ],
+    "outbound": "block"
+  },
+  {
+    "ip_cidr": [
+      "224.0.0.0/3",
+      "ff00::/8"
+    ],
+    "outbound": "block"
+  },
+  {
+    "source_ip_cidr": [
+      "224.0.0.0/3",
+      "ff00::/8"
+    ],
+    "outbound": "block"
+  }
+]

v2rayN/v2rayN/v2rayN.csproj

@@ -67,6 +67,12 @@
         <EmbeddedResource Include="Sample\SampleInbound">
           <CopyToOutputDirectory>Never</CopyToOutputDirectory>
         </EmbeddedResource>  
+        <EmbeddedResource Include="Sample\tun_singbox_rules">
+          <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+        </EmbeddedResource>  
+        <EmbeddedResource Include="Sample\tun_singbox_inbound">
+          <CopyToOutputDirectory>Never</CopyToOutputDirectory>
+        </EmbeddedResource>  
         <EmbeddedResource Include="v2rayN.ico">
           <CopyToOutputDirectory>Never</CopyToOutputDirectory>
         </EmbeddedResource>