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REALITY: Add rate limiting to fallback handling via token bucket (#4553)

Browse source 
https://github.com/XTLS/REALITY/pull/12
This commit is contained in:
Meow 2025-06-08 21:43:55 +08:00 • committed by GitHub
parent e011b746dc
commit 18ab291e0c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
6 changed files with 180 additions and 39 deletions
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3
go.mod
View file

@ -20,7 +20,7 @@ require (
github.com/stretchr/testify v1.10.0
github.com/v2fly/ss-bloomring v0.0.0-20210312155135-28617310f63e
github.com/vishvananda/netlink v1.3.1
github.com/xtls/reality v0.0.0-20250607105625-90e738a94c8c
github.com/xtls/reality v0.0.0-20250608132114-50752aec6bfb
go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
golang.org/x/crypto v0.39.0
golang.org/x/net v0.41.0
@ -41,6 +41,7 @@ require (
github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
github.com/google/btree v1.1.2 // indirect
github.com/google/pprof v0.0.0-20240528025155-186aa0362fba // indirect
github.com/juju/ratelimit v1.0.2 // indirect
github.com/klauspost/compress v1.17.8 // indirect
github.com/klauspost/cpuid/v2 v2.2.7 // indirect
github.com/onsi/ginkgo/v2 v2.19.0 // indirect

6
go.sum
View file

@ -34,6 +34,8 @@ github.com/gorilla/websocket v1.5.3 h1:saDtZ6Pbx/0u+bgYQ3q96pZgCzfhKXGPqt7kZ72aN
github.com/gorilla/websocket v1.5.3/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364 h1:5XxdakFhqd9dnXoAZy1Mb2R/DZ6D1e+0bGC/JhucGYI=
github.com/h12w/go-socks5 v0.0.0-20200522160539-76189e178364/go.mod h1:eDJQioIyy4Yn3MVivT7rv/39gAJTrA7lgmYr8EW950c=
github.com/juju/ratelimit v1.0.2 h1:sRxmtRiajbvrcLQT7S+JbqU0ntsb9W2yhSdNN8tWfaI=
github.com/juju/ratelimit v1.0.2/go.mod h1:qapgC/Gy+xNh9UxzV13HGGl/6UXNN+ct+vwSgWNm/qk=
github.com/klauspost/compress v1.17.8 h1:YcnTYrq7MikUT7k0Yb5eceMmALQPYBW/Xltxn0NAMnU=
github.com/klauspost/compress v1.17.8/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
@ -76,8 +78,8 @@ github.com/vishvananda/netlink v1.3.1 h1:3AEMt62VKqz90r0tmNhog0r/PpWKmrEShJU0wJW
github.com/vishvananda/netlink v1.3.1/go.mod h1:ARtKouGSTGchR8aMwmkzC0qiNPrrWO5JS/XMVl45+b4=
github.com/vishvananda/netns v0.0.5 h1:DfiHV+j8bA32MFM7bfEunvT8IAqQ/NzSJHtcmW5zdEY=
github.com/vishvananda/netns v0.0.5/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM=
github.com/xtls/reality v0.0.0-20250607105625-90e738a94c8c h1:GiY3/SynO0ujSH3rQDEIrE4MTTZM9KHufR3zx3JLD3c=
github.com/xtls/reality v0.0.0-20250607105625-90e738a94c8c/go.mod h1:Rkdcxe9Yd8SWQRRP+LSvX6wxk1m4lmNkyUZEHzbPDZw=
github.com/xtls/reality v0.0.0-20250608132114-50752aec6bfb h1:X6ziJCMsFF8Ac/0F3W7+UbFdHZTu+r5nZ/smksHVxNQ=
github.com/xtls/reality v0.0.0-20250608132114-50752aec6bfb/go.mod h1:yD47RN65bDLZgyHWMfFDiqlzrq4usDMt/Xzsk6tMbhw=
github.com/yuin/goldmark v1.4.1/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=

18
infra/conf/transport_internet.go
View file

@ -486,6 +486,12 @@ func (c *TLSConfig) Build() (proto.Message, error) {
return config, nil
}
type LimitFallback struct {
AfterBytes uint64
BytesPerSec uint64
BurstBytesPerSec uint64
}
type REALITYConfig struct {
MasterKeyLog string `json:"masterKeyLog"`
Show bool `json:"show"`
@ -500,6 +506,9 @@ type REALITYConfig struct {
MaxTimeDiff uint64 `json:"maxTimeDiff"`
ShortIds []string `json:"shortIds"`
LimitFallbackUpload LimitFallback `json:"limitFallbackUpload"`
LimitFallbackDownload LimitFallback `json:"limitFallbackDownload"`
Fingerprint string `json:"fingerprint"`
ServerName string `json:"serverName"`
Password string `json:"password"`
@ -600,6 +609,15 @@ func (c *REALITYConfig) Build() (proto.Message, error) {
config.Xver = c.Xver
config.ServerNames = c.ServerNames
config.MaxTimeDiff = c.MaxTimeDiff
config.LimitFallbackUpload = new(reality.LimitFallback)
config.LimitFallbackUpload.AfterBytes = c.LimitFallbackUpload.AfterBytes
config.LimitFallbackUpload.BytesPerSec = c.LimitFallbackUpload.BytesPerSec
config.LimitFallbackUpload.BurstBytesPerSec = c.LimitFallbackUpload.BurstBytesPerSec
config.LimitFallbackDownload = new(reality.LimitFallback)
config.LimitFallbackDownload.AfterBytes = c.LimitFallbackDownload.AfterBytes
config.LimitFallbackDownload.BytesPerSec = c.LimitFallbackDownload.BytesPerSec
config.LimitFallbackDownload.BurstBytesPerSec = c.LimitFallbackDownload.BurstBytesPerSec
} else {
config.Fingerprint = strings.ToLower(c.Fingerprint)
if config.Fingerprint == "unsafe" || config.Fingerprint == "hellogolang" {

10
transport/internet/reality/config.go
View file

@ -32,6 +32,16 @@ func (c *Config) GetREALITYConfig() *reality.Config {
KeyLogWriter: KeyLogWriterFromConfig(c),
}
if c.LimitFallbackUpload != nil {
config.LimitFallbackUpload.AfterBytes = c.LimitFallbackUpload.AfterBytes
config.LimitFallbackUpload.BytesPerSec = c.LimitFallbackUpload.BytesPerSec
config.LimitFallbackUpload.BurstBytesPerSec = c.LimitFallbackUpload.BurstBytesPerSec
}
if c.LimitFallbackDownload != nil {
config.LimitFallbackDownload.AfterBytes = c.LimitFallbackDownload.AfterBytes
config.LimitFallbackDownload.BytesPerSec = c.LimitFallbackDownload.BytesPerSec
config.LimitFallbackDownload.BurstBytesPerSec = c.LimitFallbackDownload.BurstBytesPerSec
}
config.ServerNames = make(map[string]bool)
for _, serverName := range c.ServerNames {
config.ServerNames[serverName] = true

137
transport/internet/reality/config.pb.go
View file

@ -1,7 +1,7 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.35.1
// protoc v5.28.2
// protoc v5.29.4
// source: transport/internet/reality/config.proto
package reality
@ -42,6 +42,8 @@ type Config struct {
SpiderX string `protobuf:"bytes,25,opt,name=spider_x,json=spiderX,proto3" json:"spider_x,omitempty"`
SpiderY []int64 `protobuf:"varint,26,rep,packed,name=spider_y,json=spiderY,proto3" json:"spider_y,omitempty"`
MasterKeyLog string `protobuf:"bytes,27,opt,name=master_key_log,json=masterKeyLog,proto3" json:"master_key_log,omitempty"`
LimitFallbackUpload *LimitFallback `protobuf:"bytes,28,opt,name=limit_fallback_upload,json=limitFallbackUpload,proto3" json:"limit_fallback_upload,omitempty"`
LimitFallbackDownload *LimitFallback `protobuf:"bytes,29,opt,name=limit_fallback_download,json=limitFallbackDownload,proto3" json:"limit_fallback_download,omitempty"`
}
func (x *Config) Reset() {
@ -193,6 +195,81 @@ func (x *Config) GetMasterKeyLog() string {
return ""
}
func (x *Config) GetLimitFallbackUpload() *LimitFallback {
if x != nil {
return x.LimitFallbackUpload
}
return nil
}
func (x *Config) GetLimitFallbackDownload() *LimitFallback {
if x != nil {
return x.LimitFallbackDownload
}
return nil
}
type LimitFallback struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
AfterBytes uint64 `protobuf:"varint,1,opt,name=after_bytes,json=afterBytes,proto3" json:"after_bytes,omitempty"`
BytesPerSec uint64 `protobuf:"varint,2,opt,name=bytes_per_sec,json=bytesPerSec,proto3" json:"bytes_per_sec,omitempty"`
BurstBytesPerSec uint64 `protobuf:"varint,3,opt,name=burst_bytes_per_sec,json=burstBytesPerSec,proto3" json:"burst_bytes_per_sec,omitempty"`
}
func (x *LimitFallback) Reset() {
*x = LimitFallback{}
mi := &file_transport_internet_reality_config_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
func (x *LimitFallback) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*LimitFallback) ProtoMessage() {}
func (x *LimitFallback) ProtoReflect() protoreflect.Message {
mi := &file_transport_internet_reality_config_proto_msgTypes[1]
if x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use LimitFallback.ProtoReflect.Descriptor instead.
func (*LimitFallback) Descriptor() ([]byte, []int) {
return file_transport_internet_reality_config_proto_rawDescGZIP(), []int{1}
}
func (x *LimitFallback) GetAfterBytes() uint64 {
if x != nil {
return x.AfterBytes
}
return 0
}
func (x *LimitFallback) GetBytesPerSec() uint64 {
if x != nil {
return x.BytesPerSec
}
return 0
}
func (x *LimitFallback) GetBurstBytesPerSec() uint64 {
if x != nil {
return x.BurstBytesPerSec
}
return 0
}
var File_transport_internet_reality_config_proto protoreflect.FileDescriptor
var file_transport_internet_reality_config_proto_rawDesc = []byte{
@ -200,7 +277,7 @@ var file_transport_internet_reality_config_proto_rawDesc = []byte{
0x72, 0x6e, 0x65, 0x74, 0x2f, 0x72, 0x65, 0x61, 0x6c, 0x69, 0x74, 0x79, 0x2f, 0x63, 0x6f, 0x6e,
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@ -232,16 +309,37 @@ var file_transport_internet_reality_config_proto_rawDesc = []byte{
0x0a, 0x08, 0x73, 0x70, 0x69, 0x64, 0x65, 0x72, 0x5f, 0x79, 0x18, 0x1a, 0x20, 0x03, 0x28, 0x03,
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}
var (
@ -256,16 +354,19 @@ func file_transport_internet_reality_config_proto_rawDescGZIP() []byte {
return file_transport_internet_reality_config_proto_rawDescData
}
var file_transport_internet_reality_config_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_transport_internet_reality_config_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_transport_internet_reality_config_proto_goTypes = []any{
(*Config)(nil), // 0: xray.transport.internet.reality.Config
(*LimitFallback)(nil), // 1: xray.transport.internet.reality.LimitFallback
}
var file_transport_internet_reality_config_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
1, // 0: xray.transport.internet.reality.Config.limit_fallback_upload:type_name -> xray.transport.internet.reality.LimitFallback
1, // 1: xray.transport.internet.reality.Config.limit_fallback_download:type_name -> xray.transport.internet.reality.LimitFallback
2, // [2:2] is the sub-list for method output_type
2, // [2:2] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_transport_internet_reality_config_proto_init() }
@ -279,7 +380,7 @@ func file_transport_internet_reality_config_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_transport_internet_reality_config_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumMessages: 2,
NumExtensions: 0,
NumServices: 0,
},

9
transport/internet/reality/config.proto
View file

@ -25,4 +25,13 @@ message Config {
string spider_x = 25;
repeated int64 spider_y = 26;
string master_key_log = 27;
LimitFallback limit_fallback_upload = 28;
LimitFallback limit_fallback_download = 29;
}
message LimitFallback {
uint64 after_bytes = 1;
uint64 bytes_per_sec = 2;
uint64 burst_bytes_per_sec = 3;
}