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Sockopt: Add custom sockopt on Windows & Darwin

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风扇滑翔翼 2025-04-01 16:35:36 +00:00 • committed by GitHub
parent ab5d7cf3d2
commit e70488287b
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GPG key ID: B5690EEEBB952194
6 changed files with 302 additions and 117 deletions
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2
infra/conf/transport_internet.go
View file

@ -691,6 +691,7 @@ func (p TransportProtocol) Build() (string, error) {
}
type CustomSockoptConfig struct {
Syetem string `json:"system"`
Network string `json:"network"`
Level string `json:"level"`
Opt string `json:"opt"`
@ -778,6 +779,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
for _, copt := range c.CustomSockopt {
customSockopt := &internet.CustomSockopt{
System: copt.Syetem,
Network: copt.Network,
Level: copt.Level,
Opt: copt.Opt,

221
transport/internet/config.pb.go
View file

@ -417,11 +417,12 @@ type CustomSockopt struct {
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Network string `protobuf:"bytes,1,opt,name=network,proto3" json:"network,omitempty"`
Level string `protobuf:"bytes,2,opt,name=level,proto3" json:"level,omitempty"`
Opt string `protobuf:"bytes,3,opt,name=opt,proto3" json:"opt,omitempty"`
Value string `protobuf:"bytes,4,opt,name=value,proto3" json:"value,omitempty"`
Type string `protobuf:"bytes,5,opt,name=type,proto3" json:"type,omitempty"`
System string `protobuf:"bytes,1,opt,name=system,proto3" json:"system,omitempty"`
Network string `protobuf:"bytes,2,opt,name=network,proto3" json:"network,omitempty"`
Level string `protobuf:"bytes,3,opt,name=level,proto3" json:"level,omitempty"`
Opt string `protobuf:"bytes,4,opt,name=opt,proto3" json:"opt,omitempty"`
Value string `protobuf:"bytes,5,opt,name=value,proto3" json:"value,omitempty"`
Type string `protobuf:"bytes,6,opt,name=type,proto3" json:"type,omitempty"`
}
func (x *CustomSockopt) Reset() {
@ -454,6 +455,13 @@ func (*CustomSockopt) Descriptor() ([]byte, []int) {
return file_transport_internet_config_proto_rawDescGZIP(), []int{3}
}
func (x *CustomSockopt) GetSystem() string {
if x != nil {
return x.System
}
return ""
}
func (x *CustomSockopt) GetNetwork() string {
if x != nil {
return x.Network
@ -748,107 +756,108 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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}
var (

11
transport/internet/config.proto
View file

@ -65,11 +65,12 @@ message ProxyConfig {
}
message CustomSockopt {
string network = 1;
string level = 2;
string opt = 3;
string value = 4;
string type = 5;
string system = 1;
string network = 2;
string level = 3;
string opt = 4;
string value = 5;
string type = 6;
}
// SocketConfig is options to be applied on network sockets.

80
transport/internet/sockopt_darwin.go
View file

@ -1,8 +1,12 @@
package internet
import (
"context"
gonet "net"
"os"
"runtime"
"strconv"
"strings"
"syscall"
"unsafe"
@ -147,6 +151,44 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
var level = 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
} else if custom.Type == "str" {
if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
}
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
}
}
}
return nil
}
@ -206,6 +248,44 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
var level = 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(int(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
} else if custom.Type == "str" {
if err := syscall.SetsockoptString(int(fd), level, opt, custom.Value); err != nil {
return errors.New("failed to set CustomSockoptString", opt, custom.Value, err)
}
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
}
}
}
return nil
}

19
transport/internet/sockopt_linux.go
View file

@ -1,7 +1,9 @@
package internet
import (
"context"
"net"
"runtime"
"strconv"
"strings"
"syscall"
@ -110,11 +112,15 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS{
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
if !strings.HasPrefix(network, custom.Network){
continue
}
var level = 0x6 // default TCP
@ -212,6 +218,17 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS{
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network){
continue
}
var level = 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {

86
transport/internet/sockopt_windows.go
View file

@ -1,8 +1,12 @@
package internet
import (
"context"
"encoding/binary"
"net"
"runtime"
"strconv"
"strings"
"syscall"
"unsafe"
@ -10,12 +14,12 @@ import (
)
const (
TCP_FASTOPEN = 15
IP_UNICAST_IF = 31
IPV6_UNICAST_IF = 31
IP_MULTICAST_IF = 9
TCP_FASTOPEN = 15
IP_UNICAST_IF = 31
IPV6_UNICAST_IF = 31
IP_MULTICAST_IF = 9
IPV6_MULTICAST_IF = 9
IPV6_V6ONLY = 27
IPV6_V6ONLY = 27
)
func setTFO(fd syscall.Handle, tfo int) error {
@ -72,6 +76,42 @@ func applyOutboundSocketOptions(network string, address string, fd uintptr, conf
}
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
var level = 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(syscall.Handle(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
} else if custom.Type == "str" {
return errors.New("failed to set CustomSockoptString: Str type does not supported on windows")
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
}
}
}
return nil
}
@ -97,6 +137,42 @@ func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig)
}
}
if len(config.CustomSockopt) > 0 {
for _, custom := range config.CustomSockopt {
if custom.System != "" && custom.System != runtime.GOOS {
errors.LogDebug(context.Background(), "CustomSockopt system not match: ", "want ", custom.System, " got ", runtime.GOOS)
continue
}
// Skip unwanted network type
// network might be tcp4 or tcp6
// use HasPrefix so that "tcp" can match tcp4/6 with "tcp" if user want to control all tcp (udp is also the same)
// if it is empty, strings.HasPrefix will always return true to make it apply for all networks
if !strings.HasPrefix(network, custom.Network) {
continue
}
var level = 0x6 // default TCP
var opt int
if len(custom.Opt) == 0 {
return errors.New("No opt!")
} else {
opt, _ = strconv.Atoi(custom.Opt)
}
if custom.Level != "" {
level, _ = strconv.Atoi(custom.Level)
}
if custom.Type == "int" {
value, _ := strconv.Atoi(custom.Value)
if err := syscall.SetsockoptInt(syscall.Handle(fd), level, opt, value); err != nil {
return errors.New("failed to set CustomSockoptInt", opt, value, err)
}
} else if custom.Type == "str" {
return errors.New("failed to set CustomSockoptString: Str type does not supported on windows")
} else {
return errors.New("unknown CustomSockopt type:", custom.Type)
}
}
}
return nil
}