feat: add sniffing for tun

app/tun/config.pb.go

@@ -1,6 +1,13 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v4.24.4
+// source: app/tun/config.proto
+
 package tun
 
 import (
+	proxyman "github.com/v2fly/v2ray-core/v5/app/proxyman"
 	routercommon "github.com/v2fly/v2ray-core/v5/app/router/routercommon"
 	packetaddr "github.com/v2fly/v2ray-core/v5/common/net/packetaddr"
 	_ "github.com/v2fly/v2ray-core/v5/common/protoext"
@@ -33,6 +40,7 @@ type Config struct {
 	EnablePromiscuousMode bool                      `protobuf:"varint,8,opt,name=enable_promiscuous_mode,json=enablePromiscuousMode,proto3" json:"enable_promiscuous_mode,omitempty"`
 	EnableSpoofing        bool                      `protobuf:"varint,9,opt,name=enable_spoofing,json=enableSpoofing,proto3" json:"enable_spoofing,omitempty"`
 	SocketSettings        *internet.SocketConfig    `protobuf:"bytes,10,opt,name=socket_settings,json=socketSettings,proto3" json:"socket_settings,omitempty"`
+	SniffingSettings      *proxyman.SniffingConfig  `protobuf:"bytes,11,opt,name=sniffing_settings,json=sniffingSettings,proto3" json:"sniffing_settings,omitempty"`
 }
 
 func (x *Config) Reset() {
@@ -137,59 +145,73 @@ func (x *Config) GetSocketSettings() *internet.SocketConfig {
 	return nil
 }
 
+func (x *Config) GetSniffingSettings() *proxyman.SniffingConfig {
+	if x != nil {
+		return x.SniffingSettings
+	}
+	return nil
+}
+
 var File_app_tun_config_proto protoreflect.FileDescriptor
 
 var file_app_tun_config_proto_rawDesc = []byte{
 	0x0a, 0x14, 0x61, 0x70, 0x70, 0x2f, 0x74, 0x75, 0x6e, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
 	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x12, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
-	0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x75, 0x6e, 0x1a, 0x24, 0x61, 0x70, 0x70, 0x2f,
-	0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d,
-	0x6d, 0x6f, 0x6e, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
-	0x1a, 0x20, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78,
-	0x74, 0x2f, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f,
-	0x74, 0x6f, 0x1a, 0x22, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x70,
-	0x61, 0x63, 0x6b, 0x65, 0x74, 0x61, 0x64, 0x64, 0x72, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72,
-	0x74, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69,
-	0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xfc, 0x03, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66,
-	0x69, 0x67, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09,
-	0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x10, 0x0a, 0x03, 0x6d, 0x74, 0x75, 0x18, 0x02, 0x20,
-	0x01, 0x28, 0x0d, 0x52, 0x03, 0x6d, 0x74, 0x75, 0x12, 0x1d, 0x0a, 0x0a, 0x75, 0x73, 0x65, 0x72,
-	0x5f, 0x6c, 0x65, 0x76, 0x65, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x75, 0x73,
-	0x65, 0x72, 0x4c, 0x65, 0x76, 0x65, 0x6c, 0x12, 0x52, 0x0a, 0x0f, 0x70, 0x61, 0x63, 0x6b, 0x65,
-	0x74, 0x5f, 0x65, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0e,
-	0x32, 0x29, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x6e, 0x65,
-	0x74, 0x2e, 0x70, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x61, 0x64, 0x64, 0x72, 0x2e, 0x50, 0x61, 0x63,
-	0x6b, 0x65, 0x74, 0x41, 0x64, 0x64, 0x72, 0x54, 0x79, 0x70, 0x65, 0x52, 0x0e, 0x70, 0x61, 0x63,
-	0x6b, 0x65, 0x74, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x12, 0x10, 0x0a, 0x03, 0x74,
-	0x61, 0x67, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x3a, 0x0a,
-	0x03, 0x69, 0x70, 0x73, 0x18, 0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x76, 0x32, 0x72,
-	0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74,
-	0x65, 0x72, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e,
-	0x43, 0x49, 0x44, 0x52, 0x52, 0x03, 0x69, 0x70, 0x73, 0x12, 0x40, 0x0a, 0x06, 0x72, 0x6f, 0x75,
-	0x74, 0x65, 0x73, 0x18, 0x07, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x76, 0x32, 0x72, 0x61,
-	0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65,
-	0x72, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x43,
-	0x49, 0x44, 0x52, 0x52, 0x06, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x12, 0x36, 0x0a, 0x17, 0x65,
-	0x6e, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x70, 0x72, 0x6f, 0x6d, 0x69, 0x73, 0x63, 0x75, 0x6f, 0x75,
-	0x73, 0x5f, 0x6d, 0x6f, 0x64, 0x65, 0x18, 0x08, 0x20, 0x01, 0x28, 0x08, 0x52, 0x15, 0x65, 0x6e,
-	0x61, 0x62, 0x6c, 0x65, 0x50, 0x72, 0x6f, 0x6d, 0x69, 0x73, 0x63, 0x75, 0x6f, 0x75, 0x73, 0x4d,
-	0x6f, 0x64, 0x65, 0x12, 0x27, 0x0a, 0x0f, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x73, 0x70,
-	0x6f, 0x6f, 0x66, 0x69, 0x6e, 0x67, 0x18, 0x09, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0e, 0x65, 0x6e,
-	0x61, 0x62, 0x6c, 0x65, 0x53, 0x70, 0x6f, 0x6f, 0x66, 0x69, 0x6e, 0x67, 0x12, 0x54, 0x0a, 0x0f,
-	0x73, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18,
-	0x0a, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x2b, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
-	0x72, 0x65, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74,
-	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2e, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66,
-	0x69, 0x67, 0x52, 0x0e, 0x73, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e,
-	0x67, 0x73, 0x3a, 0x12, 0x82, 0xb5, 0x18, 0x0e, 0x0a, 0x07, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63,
-	0x65, 0x12, 0x03, 0x74, 0x75, 0x6e, 0x42, 0x57, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x76, 0x32,
-	0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x75, 0x6e,
-	0x50, 0x01, 0x5a, 0x26, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x76,
-	0x32, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65, 0x2f,
-	0x76, 0x35, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x74, 0x75, 0x6e, 0xaa, 0x02, 0x12, 0x56, 0x32, 0x52,
-	0x61, 0x79, 0x2e, 0x43, 0x6f, 0x72, 0x65, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x54, 0x75, 0x6e, 0x62,
-	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x75, 0x6e, 0x1a, 0x19, 0x61, 0x70, 0x70, 0x2f,
+	0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d, 0x61, 0x6e, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x24, 0x61, 0x70, 0x70, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65,
+	0x72, 0x2f, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x63,
+	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x20, 0x63, 0x6f, 0x6d,
+	0x6d, 0x6f, 0x6e, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x65, 0x78, 0x74, 0x2f, 0x65, 0x78, 0x74,
+	0x65, 0x6e, 0x73, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x22, 0x63,
+	0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6e, 0x65, 0x74, 0x2f, 0x70, 0x61, 0x63, 0x6b, 0x65, 0x74,
+	0x61, 0x64, 0x64, 0x72, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x1a, 0x1f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e, 0x74,
+	0x65, 0x72, 0x6e, 0x65, 0x74, 0x2f, 0x63, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x22, 0xd2, 0x04, 0x0a, 0x06, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x12, 0x12, 0x0a,
+	0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d,
+	0x65, 0x12, 0x10, 0x0a, 0x03, 0x6d, 0x74, 0x75, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x03,
+	0x6d, 0x74, 0x75, 0x12, 0x1d, 0x0a, 0x0a, 0x75, 0x73, 0x65, 0x72, 0x5f, 0x6c, 0x65, 0x76, 0x65,
+	0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x09, 0x75, 0x73, 0x65, 0x72, 0x4c, 0x65, 0x76,
+	0x65, 0x6c, 0x12, 0x52, 0x0a, 0x0f, 0x70, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x5f, 0x65, 0x6e, 0x63,
+	0x6f, 0x64, 0x69, 0x6e, 0x67, 0x18, 0x04, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x29, 0x2e, 0x76, 0x32,
+	0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x6e, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x63,
+	0x6b, 0x65, 0x74, 0x61, 0x64, 0x64, 0x72, 0x2e, 0x50, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x41, 0x64,
+	0x64, 0x72, 0x54, 0x79, 0x70, 0x65, 0x52, 0x0e, 0x70, 0x61, 0x63, 0x6b, 0x65, 0x74, 0x45, 0x6e,
+	0x63, 0x6f, 0x64, 0x69, 0x6e, 0x67, 0x12, 0x10, 0x0a, 0x03, 0x74, 0x61, 0x67, 0x18, 0x05, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x03, 0x74, 0x61, 0x67, 0x12, 0x3a, 0x0a, 0x03, 0x69, 0x70, 0x73, 0x18,
+	0x06, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f,
+	0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x72, 0x6f,
+	0x75, 0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x43, 0x49, 0x44, 0x52, 0x52,
+	0x03, 0x69, 0x70, 0x73, 0x12, 0x40, 0x0a, 0x06, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x18, 0x07,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x28, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72,
+	0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x72, 0x6f, 0x75, 0x74, 0x65, 0x72, 0x2e, 0x72, 0x6f, 0x75,
+	0x74, 0x65, 0x72, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x43, 0x49, 0x44, 0x52, 0x52, 0x06,
+	0x72, 0x6f, 0x75, 0x74, 0x65, 0x73, 0x12, 0x36, 0x0a, 0x17, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65,
+	0x5f, 0x70, 0x72, 0x6f, 0x6d, 0x69, 0x73, 0x63, 0x75, 0x6f, 0x75, 0x73, 0x5f, 0x6d, 0x6f, 0x64,
+	0x65, 0x18, 0x08, 0x20, 0x01, 0x28, 0x08, 0x52, 0x15, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x50,
+	0x72, 0x6f, 0x6d, 0x69, 0x73, 0x63, 0x75, 0x6f, 0x75, 0x73, 0x4d, 0x6f, 0x64, 0x65, 0x12, 0x27,
+	0x0a, 0x0f, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x5f, 0x73, 0x70, 0x6f, 0x6f, 0x66, 0x69, 0x6e,
+	0x67, 0x18, 0x09, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0e, 0x65, 0x6e, 0x61, 0x62, 0x6c, 0x65, 0x53,
+	0x70, 0x6f, 0x6f, 0x66, 0x69, 0x6e, 0x67, 0x12, 0x54, 0x0a, 0x0f, 0x73, 0x6f, 0x63, 0x6b, 0x65,
+	0x74, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x2b, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x74, 0x72,
+	0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
+	0x2e, 0x53, 0x6f, 0x63, 0x6b, 0x65, 0x74, 0x43, 0x6f, 0x6e, 0x66, 0x69, 0x67, 0x52, 0x0e, 0x73,
+	0x6f, 0x63, 0x6b, 0x65, 0x74, 0x53, 0x65, 0x74, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x12, 0x54, 0x0a,
+	0x11, 0x73, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x5f, 0x73, 0x65, 0x74, 0x74, 0x69, 0x6e,
+	0x67, 0x73, 0x18, 0x0b, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x27, 0x2e, 0x76, 0x32, 0x72, 0x61, 0x79,
+	0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x78, 0x79, 0x6d,
+	0x61, 0x6e, 0x2e, 0x53, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x43, 0x6f, 0x6e, 0x66, 0x69,
+	0x67, 0x52, 0x10, 0x73, 0x6e, 0x69, 0x66, 0x66, 0x69, 0x6e, 0x67, 0x53, 0x65, 0x74, 0x74, 0x69,
+	0x6e, 0x67, 0x73, 0x3a, 0x12, 0x82, 0xb5, 0x18, 0x0e, 0x0a, 0x07, 0x73, 0x65, 0x72, 0x76, 0x69,
+	0x63, 0x65, 0x12, 0x03, 0x74, 0x75, 0x6e, 0x42, 0x57, 0x0a, 0x16, 0x63, 0x6f, 0x6d, 0x2e, 0x76,
+	0x32, 0x72, 0x61, 0x79, 0x2e, 0x63, 0x6f, 0x72, 0x65, 0x2e, 0x61, 0x70, 0x70, 0x2e, 0x74, 0x75,
+	0x6e, 0x50, 0x01, 0x5a, 0x26, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
+	0x76, 0x32, 0x66, 0x6c, 0x79, 0x2f, 0x76, 0x32, 0x72, 0x61, 0x79, 0x2d, 0x63, 0x6f, 0x72, 0x65,
+	0x2f, 0x76, 0x35, 0x2f, 0x61, 0x70, 0x70, 0x2f, 0x74, 0x75, 0x6e, 0xaa, 0x02, 0x12, 0x56, 0x32,
+	0x52, 0x61, 0x79, 0x2e, 0x43, 0x6f, 0x72, 0x65, 0x2e, 0x41, 0x70, 0x70, 0x2e, 0x54, 0x75, 0x6e,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -206,21 +228,23 @@ func file_app_tun_config_proto_rawDescGZIP() []byte {
 
 var file_app_tun_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
 var file_app_tun_config_proto_goTypes = []interface{}{
-	(*Config)(nil),                 // 0: v2ray.core.app.tun.Config
-	(packetaddr.PacketAddrType)(0), // 1: v2ray.core.net.packetaddr.PacketAddrType
-	(*routercommon.CIDR)(nil),      // 2: v2ray.core.app.router.routercommon.CIDR
-	(*internet.SocketConfig)(nil),  // 3: v2ray.core.transport.internet.SocketConfig
+	(*Config)(nil),                  // 0: v2ray.core.app.tun.Config
+	(packetaddr.PacketAddrType)(0),  // 1: v2ray.core.net.packetaddr.PacketAddrType
+	(*routercommon.CIDR)(nil),       // 2: v2ray.core.app.router.routercommon.CIDR
+	(*internet.SocketConfig)(nil),   // 3: v2ray.core.transport.internet.SocketConfig
+	(*proxyman.SniffingConfig)(nil), // 4: v2ray.core.app.proxyman.SniffingConfig
 }
 var file_app_tun_config_proto_depIdxs = []int32{
 	1, // 0: v2ray.core.app.tun.Config.packet_encoding:type_name -> v2ray.core.net.packetaddr.PacketAddrType
 	2, // 1: v2ray.core.app.tun.Config.ips:type_name -> v2ray.core.app.router.routercommon.CIDR
 	2, // 2: v2ray.core.app.tun.Config.routes:type_name -> v2ray.core.app.router.routercommon.CIDR
 	3, // 3: v2ray.core.app.tun.Config.socket_settings:type_name -> v2ray.core.transport.internet.SocketConfig
-	4, // [4:4] is the sub-list for method output_type
-	4, // [4:4] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
+	4, // 4: v2ray.core.app.tun.Config.sniffing_settings:type_name -> v2ray.core.app.proxyman.SniffingConfig
+	5, // [5:5] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_app_tun_config_proto_init() }

app/tun/config.proto

@@ -6,25 +6,25 @@ option go_package = "github.com/v2fly/v2ray-core/v5/app/tun";
 option java_package = "com.v2ray.core.app.tun";
 option java_multiple_files = true;
 
-
+import "app/proxyman/config.proto";
 import "app/router/routercommon/common.proto";
 import "common/protoext/extensions.proto";
 import "common/net/packetaddr/config.proto";
 import "transport/internet/config.proto";
 
 message Config {
-    option (v2ray.core.common.protoext.message_opt).type = "service";
-    option (v2ray.core.common.protoext.message_opt).short_name = "tun";
+  option (v2ray.core.common.protoext.message_opt).type = "service";
+  option (v2ray.core.common.protoext.message_opt).short_name = "tun";
 
-    
-    string name = 1;
-    uint32 mtu = 2;
-    uint32 user_level = 3;
-    v2ray.core.net.packetaddr.PacketAddrType packet_encoding = 4;
-    string tag = 5;
-    repeated v2ray.core.app.router.routercommon.CIDR ips = 6;
-    repeated v2ray.core.app.router.routercommon.CIDR routes = 7;
-    bool enable_promiscuous_mode = 8;
-    bool enable_spoofing = 9;
-    v2ray.core.transport.internet.SocketConfig socket_settings = 10;
+  string name = 1;
+  uint32 mtu = 2;
+  uint32 user_level = 3;
+  v2ray.core.net.packetaddr.PacketAddrType packet_encoding = 4;
+  string tag = 5;
+  repeated v2ray.core.app.router.routercommon.CIDR ips = 6;
+  repeated v2ray.core.app.router.routercommon.CIDR routes = 7;
+  bool enable_promiscuous_mode = 8;
+  bool enable_spoofing = 9;
+  v2ray.core.transport.internet.SocketConfig socket_settings = 10;
+  v2ray.core.app.proxyman.SniffingConfig sniffing_settings = 11;
 }

app/tun/handler_tcp.go

@@ -97,6 +97,13 @@ func (h *TCPHandler) Handle(conn tun_net.TCPConn) error {
 		Status: log.AccessAccepted,
 		Reason: "",
 	})
+	content := new(session.Content)
+	if h.config.SniffingSettings != nil {
+		content.SniffingRequest.Enabled = h.config.SniffingSettings.Enabled
+		content.SniffingRequest.OverrideDestinationForProtocol = h.config.SniffingSettings.DestinationOverride
+		content.SniffingRequest.MetadataOnly = h.config.SniffingSettings.MetadataOnly
+	}
+	ctx = session.ContextWithContent(ctx, content)
 	ctx, cancel := context.WithCancel(ctx)
 	timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
 	link, err := h.dispatcher.Dispatch(ctx, dest)

app/tun/handler_udp.go

@@ -66,6 +66,13 @@ func (h *UDPHandler) Handle(conn tun_net.UDPConn) error {
 	defer conn.Close()
 	id := conn.ID()
 	ctx := session.ContextWithInbound(h.ctx, &session.Inbound{Tag: h.config.Tag})
+	content := new(session.Content)
+	if h.config.SniffingSettings != nil {
+		content.SniffingRequest.Enabled = h.config.SniffingSettings.Enabled
+		content.SniffingRequest.OverrideDestinationForProtocol = h.config.SniffingSettings.DestinationOverride
+		content.SniffingRequest.MetadataOnly = h.config.SniffingSettings.MetadataOnly
+	}
+	ctx = session.ContextWithContent(ctx, content)
 
 	udpDispatcherConstructor := udp.NewSplitDispatcher