add ip preprocessor logic

app/router/routercommon/common.pb.go

@@ -155,6 +155,7 @@ type CIDR struct {
 	Ip []byte `protobuf:"bytes,1,opt,name=ip,proto3" json:"ip,omitempty"`
 	// Number of leading ones in the network mask.
 	Prefix uint32 `protobuf:"varint,2,opt,name=prefix,proto3" json:"prefix,omitempty"`
+	IpAddr string `protobuf:"bytes,68000,opt,name=ip_addr,json=ipAddr,proto3" json:"ip_addr,omitempty"`
 }
 
 func (x *CIDR) Reset() {
@@ -203,6 +204,13 @@ func (x *CIDR) GetPrefix() uint32 {
 	return 0
 }
 
+func (x *CIDR) GetIpAddr() string {
+	if x != nil {
+		return x.IpAddr
+	}
+	return ""
+}
+
 type GeoIP struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -584,59 +592,61 @@ var file_app_router_routercommon_common_proto_rawDesc = []byte{
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 }
 
 var (

app/router/routercommon/common.proto

@@ -49,6 +49,8 @@ message CIDR {
 
   // Number of leading ones in the network mask.
   uint32 prefix = 2;
+
+  string ip_addr = 68000 [(v2ray.core.common.protoext.field_opt).convert_time_parse_ip = "ip"];
 }
 
 message GeoIP {

common/protoext/extensions.pb.go

@@ -98,6 +98,8 @@ type FieldOpt struct {
 	Forbidden bool `protobuf:"varint,5,opt,name=forbidden,proto3" json:"forbidden,omitempty"`
 	// convert_time_resource_loading read a file, and place its resource hash into another field
 	ConvertTimeResourceLoading string `protobuf:"bytes,6,opt,name=convert_time_resource_loading,json=convertTimeResourceLoading,proto3" json:"convert_time_resource_loading,omitempty"`
+	// convert_time_parse_ip parse a string ip address, and put its binary representation into another field
+	ConvertTimeParseIp string `protobuf:"bytes,7,opt,name=convert_time_parse_ip,json=convertTimeParseIp,proto3" json:"convert_time_parse_ip,omitempty"`
 }
 
 func (x *FieldOpt) Reset() {
@@ -174,6 +176,13 @@ func (x *FieldOpt) GetConvertTimeResourceLoading() string {
 	return ""
 }
 
+func (x *FieldOpt) GetConvertTimeParseIp() string {
+	if x != nil {
+		return x.ConvertTimeParseIp
+	}
+	return ""
+}
+
 var file_common_protoext_extensions_proto_extTypes = []protoimpl.ExtensionInfo{
 	{
 		ExtendedType:  (*descriptorpb.MessageOptions)(nil),
@@ -221,7 +230,7 @@ var file_common_protoext_extensions_proto_rawDesc = []byte{
 	0x65, 0x12, 0x38, 0x0a, 0x17, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x5f, 0x6f,
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 	0x46, 0x69, 0x65, 0x6c, 0x64, 0x4f, 0x70, 0x74, 0x12, 0x1b, 0x0a, 0x09, 0x61, 0x6e, 0x79, 0x5f,
 	0x77, 0x61, 0x6e, 0x74, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x08, 0x61, 0x6e, 0x79,
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@@ -239,28 +248,31 @@ var file_common_protoext_extensions_proto_rawDesc = []byte{
 	0x65, 0x72, 0x74, 0x5f, 0x74, 0x69, 0x6d, 0x65, 0x5f, 0x72, 0x65, 0x73, 0x6f, 0x75, 0x72, 0x63,
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+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

common/protoext/extensions.proto

@@ -34,4 +34,6 @@ message FieldOpt{
   bool forbidden = 5;
   // convert_time_resource_loading read a file, and place its resource hash into another field
   string convert_time_resource_loading = 6;
+  // convert_time_parse_ip parse a string ip address, and put its binary representation into another field
+  string convert_time_parse_ip = 7;
 }

common/protofilter/filter.go

@@ -8,6 +8,7 @@ import (
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
 	"io"
+	"net"
 )
 
 //go:generate go run github.com/v2fly/v2ray-core/v4/common/errors/errorgen
@@ -24,6 +25,14 @@ func filterMessage(ctx context.Context, message protoreflect.Message) error {
 		field    string
 	}
 	var fileReadingQueue []fileRead
+
+	type pendingWrite struct {
+		field protoreflect.FieldDescriptor
+		value protoreflect.Value
+	}
+
+	var pendingWriteQueue []pendingWrite
+
 	message.Range(func(descriptor protoreflect.FieldDescriptor, value protoreflect.Value) bool {
 		v2extension, ferr := protoext.GetFieldOptions(descriptor)
 		if ferr == nil {
@@ -40,6 +49,16 @@ func filterMessage(ctx context.Context, message protoreflect.Message) error {
 					field:    v2extension.ConvertTimeReadFileInto,
 				})
 			}
+
+			if v2extension.ConvertTimeParseIp != "" {
+				strIp := value.String()
+				ipValue := net.ParseIP(strIp)
+				target := message.Descriptor().Fields().ByTextName(v2extension.ConvertTimeParseIp)
+				pendingWriteQueue = append(pendingWriteQueue, pendingWrite{
+					field: target,
+					value: protoreflect.ValueOf(ipValue),
+				})
+			}
 		}
 
 		switch descriptor.Kind() {
@@ -84,6 +103,10 @@ func filterMessage(ctx context.Context, message protoreflect.Message) error {
 		file.Close()
 		message.Set(field, protoreflect.ValueOf(fileContent))
 	}
+
+	for _, v := range pendingWriteQueue {
+		message.Set(v.field, v.value)
+	}
 	return nil
 }