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Add UDP timeout route option

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世界 2024-11-24 14:45:40 +08:00
parent c18c7d807f
commit 7c75d2b9d7
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13 changed files with 143 additions and 223 deletions
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10
adapter/inbound.go
View file

@ -70,10 +70,12 @@ type InboundContext struct {
InboundOptions option.InboundOptions
UDPDisableDomainUnmapping bool
UDPConnect bool
NetworkStrategy C.NetworkStrategy
NetworkType []C.InterfaceType
FallbackNetworkType []C.InterfaceType
FallbackDelay time.Duration
UDPTimeout time.Duration
NetworkStrategy C.NetworkStrategy
NetworkType []C.InterfaceType
FallbackNetworkType []C.InterfaceType
FallbackDelay time.Duration
DNSServer string

157
adapter/outbound/default.go
View file

@ -1,157 +0,0 @@
package outbound
import (
"context"
"net"
"net/netip"
"os"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
"github.com/sagernet/sing/common/canceler"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
defer conn.Close()
ctx = adapter.WithContext(ctx, &metadata)
var outConn net.Conn
var err error
if len(metadata.DestinationAddresses) > 0 {
outConn, err = dialer.DialSerialNetwork(ctx, this, N.NetworkTCP, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
} else {
outConn, err = this.DialContext(ctx, N.NetworkTCP, metadata.Destination)
}
if err != nil {
return N.ReportHandshakeFailure(conn, err)
}
err = N.ReportConnHandshakeSuccess(conn, outConn)
if err != nil {
outConn.Close()
return err
}
return CopyEarlyConn(ctx, conn, outConn)
}
func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext) error {
defer conn.Close()
ctx = adapter.WithContext(ctx, &metadata)
var (
outPacketConn net.PacketConn
outConn net.Conn
destinationAddress netip.Addr
err error
)
if metadata.UDPConnect {
if len(metadata.DestinationAddresses) > 0 {
if parallelDialer, isParallelDialer := this.(dialer.ParallelInterfaceDialer); isParallelDialer {
outConn, err = dialer.DialSerialNetwork(ctx, parallelDialer, N.NetworkUDP, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
} else {
outConn, err = N.DialSerial(ctx, this, N.NetworkUDP, metadata.Destination, metadata.DestinationAddresses)
}
} else {
outConn, err = this.DialContext(ctx, N.NetworkUDP, metadata.Destination)
}
if err != nil {
return N.ReportHandshakeFailure(conn, err)
}
outPacketConn = bufio.NewUnbindPacketConn(outConn)
connRemoteAddr := M.AddrFromNet(outConn.RemoteAddr())
if connRemoteAddr != metadata.Destination.Addr {
destinationAddress = connRemoteAddr
}
} else {
if len(metadata.DestinationAddresses) > 0 {
outPacketConn, destinationAddress, err = dialer.ListenSerialNetworkPacket(ctx, this, metadata.Destination, metadata.DestinationAddresses, metadata.NetworkStrategy, metadata.NetworkType, metadata.FallbackNetworkType, metadata.FallbackDelay)
} else {
outPacketConn, err = this.ListenPacket(ctx, metadata.Destination)
}
if err != nil {
return N.ReportHandshakeFailure(conn, err)
}
}
err = N.ReportPacketConnHandshakeSuccess(conn, outPacketConn)
if err != nil {
outPacketConn.Close()
return err
}
if destinationAddress.IsValid() {
var originDestination M.Socksaddr
if metadata.RouteOriginalDestination.IsValid() {
originDestination = metadata.RouteOriginalDestination
} else {
originDestination = metadata.Destination
}
if metadata.Destination != M.SocksaddrFrom(destinationAddress, metadata.Destination.Port) {
if metadata.UDPDisableDomainUnmapping {
outPacketConn = bufio.NewUnidirectionalNATPacketConn(bufio.NewPacketConn(outPacketConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), originDestination)
} else {
outPacketConn = bufio.NewNATPacketConn(bufio.NewPacketConn(outPacketConn), M.SocksaddrFrom(destinationAddress, metadata.Destination.Port), originDestination)
}
}
if natConn, loaded := common.Cast[bufio.NATPacketConn](conn); loaded {
natConn.UpdateDestination(destinationAddress)
}
}
switch metadata.Protocol {
case C.ProtocolSTUN:
ctx, conn = canceler.NewPacketConn(ctx, conn, C.STUNTimeout)
case C.ProtocolQUIC:
ctx, conn = canceler.NewPacketConn(ctx, conn, C.QUICTimeout)
case C.ProtocolDNS:
ctx, conn = canceler.NewPacketConn(ctx, conn, C.DNSTimeout)
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outPacketConn))
}
func CopyEarlyConn(ctx context.Context, conn net.Conn, serverConn net.Conn) error {
if cachedReader, isCached := conn.(N.CachedReader); isCached {
payload := cachedReader.ReadCached()
if payload != nil && !payload.IsEmpty() {
_, err := serverConn.Write(payload.Bytes())
payload.Release()
if err != nil {
serverConn.Close()
return err
}
return bufio.CopyConn(ctx, conn, serverConn)
}
}
if earlyConn, isEarlyConn := common.Cast[N.EarlyConn](serverConn); isEarlyConn && earlyConn.NeedHandshake() {
payload := buf.NewPacket()
err := conn.SetReadDeadline(time.Now().Add(C.ReadPayloadTimeout))
if err != os.ErrInvalid {
if err != nil {
payload.Release()
serverConn.Close()
return err
}
_, err = payload.ReadOnceFrom(conn)
if err != nil && !E.IsTimeout(err) {
payload.Release()
serverConn.Close()
return E.Cause(err, "read payload")
}
err = conn.SetReadDeadline(time.Time{})
if err != nil {
payload.Release()
serverConn.Close()
return err
}
}
_, err = serverConn.Write(payload.Bytes())
payload.Release()
if err != nil {
serverConn.Close()
return N.ReportHandshakeFailure(conn, err)
}
}
return bufio.CopyConn(ctx, conn, serverConn)
}

1
constant/protocol.go
View file

@ -10,6 +10,7 @@ const (
ProtocolDTLS = "dtls"
ProtocolSSH = "ssh"
ProtocolRDP = "rdp"
ProtocolNTP = "ntp"
)
const (

17
constant/timeout.go
View file

@ -9,8 +9,6 @@ const (
TCPTimeout = 15 * time.Second
ReadPayloadTimeout = 300 * time.Millisecond
DNSTimeout = 10 * time.Second
QUICTimeout = 30 * time.Second
STUNTimeout = 15 * time.Second
UDPTimeout = 5 * time.Minute
DefaultURLTestInterval = 3 * time.Minute
DefaultURLTestIdleTimeout = 30 * time.Minute
@ -19,3 +17,18 @@ const (
FatalStopTimeout = 10 * time.Second
FakeIPMetadataSaveInterval = 10 * time.Second
)
var PortProtocols = map[uint16]string{
53: ProtocolDNS,
123: ProtocolNTP,
3478: ProtocolSTUN,
443: ProtocolQUIC,
}
var ProtocolTimeouts = map[string]time.Duration{
ProtocolDNS: 10 * time.Second,
ProtocolNTP: 10 * time.Second,
ProtocolSTUN: 10 * time.Second,
ProtocolQUIC: 30 * time.Second,
ProtocolDTLS: 30 * time.Second,
}

25
docs/configuration/route/rule_action.md
View file

@ -41,7 +41,8 @@ See `route-options` fields below.
"network_strategy": "",
"fallback_delay": "",
"udp_disable_domain_unmapping": false,
"udp_connect": false
"udp_connect": false,
"udp_timeout": ""
}
```
@ -86,6 +87,28 @@ do not support receiving UDP packets with domain addresses, such as Surge.
If enabled, attempts to connect UDP connection to the destination instead of listen.
#### udp_timeout
Timeout for UDP connections.
Setting a larger value than the UDP timeout in inbounds will have no effect.
Default value for protocol sniffed connections:
| Timeout | Protocol |
|---------|----------------------|
| `10s` | `dns`, `ntp`, `stun` |
| `30s` | `quic`, `dtls` |
If no protocol is sniffed, the following ports will be recognized as protocols by default:
| Port | Protocol |
|------|----------|
| 53 | `dns` |
| 123 | `ntp` |
| 443 | `quic` |
| 3478 | `stun` |
### reject
```json

25
docs/configuration/route/rule_action.zh.md
View file

@ -37,7 +37,8 @@ icon: material/new-box
"network_strategy": "",
"fallback_delay": "",
"udp_disable_domain_unmapping": false,
"udp_connect": false
"udp_connect": false,
"udp_timeout": ""
}
```
@ -84,6 +85,28 @@ icon: material/new-box
如果启用，将尝试将 UDP 连接 connect 到目标而不是 listen。
#### udp_timeout
UDP 连接超时时间。
设置比入站 UDP 超时更大的值将无效。
已探测协议连接的默认值：
| 超时 | 协议 |
|-------|----------------------|
| `10s` | `dns`, `ntp`, `stun` |
| `30s` | `quic`, `dtls` |
如果没有探测到协议，以下端口将默认识别为协议：
| 端口 | 协议 |
|------|--------|
| 53 | `dns` |
| 123 | `ntp` |
| 443 | `quic` |
| 3478 | `stun` |
### reject
```json

5
option/rule_action.go
View file

@ -148,8 +148,9 @@ type RawRouteOptionsActionOptions struct {
NetworkStrategy NetworkStrategy `json:"network_strategy,omitempty"`
FallbackDelay uint32 `json:"fallback_delay,omitempty"`
UDPDisableDomainUnmapping bool `json:"udp_disable_domain_unmapping,omitempty"`
UDPConnect bool `json:"udp_connect,omitempty"`
UDPDisableDomainUnmapping bool `json:"udp_disable_domain_unmapping,omitempty"`
UDPConnect bool `json:"udp_connect,omitempty"`
UDPTimeout badoption.Duration `json:"udp_timeout,omitempty"`
}
type RouteOptionsActionOptions RawRouteOptionsActionOptions

2
option/wireguard.go
View file

@ -14,7 +14,7 @@ type WireGuardEndpointOptions struct {
PrivateKey string `json:"private_key"`
ListenPort uint16 `json:"listen_port,omitempty"`
Peers []WireGuardPeer `json:"peers,omitempty"`
UDPTimeout UDPTimeoutCompat `json:"udp_timeout,omitempty"`
UDPTimeout badoption.Duration `json:"udp_timeout,omitempty"`
Workers int `json:"workers,omitempty"`
DialerOptions
}

59
protocol/group/selector.go
View file

@ -10,6 +10,7 @@ import (
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common/atomic"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/logger"
M "github.com/sagernet/sing/common/metadata"
@ -21,17 +22,22 @@ func RegisterSelector(registry *outbound.Registry) {
outbound.Register[option.SelectorOutboundOptions](registry, C.TypeSelector, NewSelector)
}
var _ adapter.OutboundGroup = (*Selector)(nil)
var (
_ adapter.OutboundGroup = (*Selector)(nil)
_ adapter.ConnectionHandlerEx = (*Selector)(nil)
_ adapter.PacketConnectionHandlerEx = (*Selector)(nil)
)
type Selector struct {
outbound.Adapter
ctx context.Context
outboundManager adapter.OutboundManager
outbound adapter.OutboundManager
connection adapter.ConnectionManager
logger logger.ContextLogger
tags []string
defaultTag string
outbounds map[string]adapter.Outbound
selected adapter.Outbound
selected atomic.TypedValue[adapter.Outbound]
interruptGroup *interrupt.Group
interruptExternalConnections bool
}
@ -40,7 +46,8 @@ func NewSelector(ctx context.Context, router adapter.Router, logger log.ContextL
outbound := &Selector{
Adapter: outbound.NewAdapter(C.TypeSelector, tag, nil, options.Outbounds),
ctx: ctx,
outboundManager: service.FromContext[adapter.OutboundManager](ctx),
outbound: service.FromContext[adapter.OutboundManager](ctx),
connection: service.FromContext[adapter.ConnectionManager](ctx),
logger: logger,
tags: options.Outbounds,
defaultTag: options.Default,
@ -55,15 +62,16 @@ func NewSelector(ctx context.Context, router adapter.Router, logger log.ContextL
}
func (s *Selector) Network() []string {
if s.selected == nil {
selected := s.selected.Load()
if selected == nil {
return []string{N.NetworkTCP, N.NetworkUDP}
}
return s.selected.Network()
return selected.Network()
}
func (s *Selector) Start() error {
for i, tag := range s.tags {
detour, loaded := s.outboundManager.Outbound(tag)
detour, loaded := s.outbound.Outbound(tag)
if !loaded {
return E.New("outbound ", i, " not found: ", tag)
}
@ -77,7 +85,7 @@ func (s *Selector) Start() error {
if selected != "" {
detour, loaded := s.outbounds[selected]
if loaded {
s.selected = detour
s.selected.Store(detour)
return nil
}
}
@ -89,16 +97,16 @@ func (s *Selector) Start() error {
if !loaded {
return E.New("default outbound not found: ", s.defaultTag)
}
s.selected = detour
s.selected.Store(detour)
return nil
}
s.selected = s.outbounds[s.tags[0]]
s.selected.Store(s.outbounds[s.tags[0]])
return nil
}
func (s *Selector) Now() string {
selected := s.selected
selected := s.selected.Load()
if selected == nil {
return s.tags[0]
}
@ -114,10 +122,9 @@ func (s *Selector) SelectOutbound(tag string) bool {
if !loaded {
return false
}
if s.selected == detour {
if s.selected.Swap(detour) == detour {
return true
}
s.selected = detour
if s.Tag() != "" {
cacheFile := service.FromContext[adapter.CacheFile](s.ctx)
if cacheFile != nil {
@ -132,7 +139,7 @@ func (s *Selector) SelectOutbound(tag string) bool {
}
func (s *Selector) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
conn, err := s.selected.DialContext(ctx, network, destination)
conn, err := s.selected.Load().DialContext(ctx, network, destination)
if err != nil {
return nil, err
}
@ -140,32 +147,30 @@ func (s *Selector) DialContext(ctx context.Context, network string, destination
}
func (s *Selector) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
conn, err := s.selected.ListenPacket(ctx, destination)
conn, err := s.selected.Load().ListenPacket(ctx, destination)
if err != nil {
return nil, err
}
return s.interruptGroup.NewPacketConn(conn, interrupt.IsExternalConnectionFromContext(ctx)), nil
}
// TODO
// Deprecated
func (s *Selector) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
func (s *Selector) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
ctx = interrupt.ContextWithIsExternalConnection(ctx)
if legacyHandler, ok := s.selected.(adapter.ConnectionHandler); ok {
return legacyHandler.NewConnection(ctx, conn, metadata)
selected := s.selected.Load()
if outboundHandler, isHandler := selected.(adapter.ConnectionHandlerEx); isHandler {
outboundHandler.NewConnectionEx(ctx, conn, metadata, onClose)
} else {
return outbound.NewConnection(ctx, s.selected, conn, metadata)
s.connection.NewConnection(ctx, selected, conn, metadata, onClose)
}
}
// TODO
// Deprecated
func (s *Selector) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
func (s *Selector) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
ctx = interrupt.ContextWithIsExternalConnection(ctx)
if legacyHandler, ok := s.selected.(adapter.PacketConnectionHandler); ok {
return legacyHandler.NewPacketConnection(ctx, conn, metadata)
selected := s.selected.Load()
if outboundHandler, isHandler := selected.(adapter.PacketConnectionHandlerEx); isHandler {
outboundHandler.NewPacketConnectionEx(ctx, conn, metadata, onClose)
} else {
return outbound.NewPacketConnection(ctx, s.selected, conn, metadata)
s.connection.NewPacketConnection(ctx, selected, conn, metadata, onClose)
}
}

22
protocol/group/urltest.go
View file

@ -36,7 +36,8 @@ type URLTest struct {
outbound.Adapter
ctx context.Context
router adapter.Router
outboundManager adapter.OutboundManager
outbound adapter.OutboundManager
connection adapter.ConnectionManager
logger log.ContextLogger
tags []string
link string
@ -52,7 +53,8 @@ func NewURLTest(ctx context.Context, router adapter.Router, logger log.ContextLo
Adapter: outbound.NewAdapter(C.TypeURLTest, tag, []string{N.NetworkTCP, N.NetworkUDP}, options.Outbounds),
ctx: ctx,
router: router,
outboundManager: service.FromContext[adapter.OutboundManager](ctx),
outbound: service.FromContext[adapter.OutboundManager](ctx),
connection: service.FromContext[adapter.ConnectionManager](ctx),
logger: logger,
tags: options.Outbounds,
link: options.URL,
@ -70,13 +72,13 @@ func NewURLTest(ctx context.Context, router adapter.Router, logger log.ContextLo
func (s *URLTest) Start() error {
outbounds := make([]adapter.Outbound, 0, len(s.tags))
for i, tag := range s.tags {
detour, loaded := s.outboundManager.Outbound(tag)
detour, loaded := s.outbound.Outbound(tag)
if !loaded {
return E.New("outbound ", i, " not found: ", tag)
}
outbounds = append(outbounds, detour)
}
group, err := NewURLTestGroup(s.ctx, s.outboundManager, s.logger, outbounds, s.link, s.interval, s.tolerance, s.idleTimeout, s.interruptExternalConnections)
group, err := NewURLTestGroup(s.ctx, s.outbound, s.logger, outbounds, s.link, s.interval, s.tolerance, s.idleTimeout, s.interruptExternalConnections)
if err != nil {
return err
}
@ -160,18 +162,14 @@ func (s *URLTest) ListenPacket(ctx context.Context, destination M.Socksaddr) (ne
return nil, err
}
// TODO
// Deprecated
func (s *URLTest) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
func (s *URLTest) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
ctx = interrupt.ContextWithIsExternalConnection(ctx)
return outbound.NewConnection(ctx, s, conn, metadata)
s.connection.NewConnection(ctx, s, conn, metadata, onClose)
}
// TODO
// Deprecated
func (s *URLTest) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
func (s *URLTest) NewPacketConnectionEx(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
ctx = interrupt.ContextWithIsExternalConnection(ctx)
return outbound.NewPacketConnection(ctx, s, conn, metadata)
s.connection.NewPacketConnection(ctx, s, conn, metadata, onClose)
}
func (s *URLTest) InterfaceUpdated() {

18
route/conn.go
View file

@ -6,11 +6,14 @@ import (
"net"
"net/netip"
"sync/atomic"
"time"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/bufio"
"github.com/sagernet/sing/common/canceler"
E "github.com/sagernet/sing/common/exceptions"
"github.com/sagernet/sing/common/logger"
M "github.com/sagernet/sing/common/metadata"
@ -199,6 +202,21 @@ func (m *ConnectionManager) NewPacketConnection(ctx context.Context, this N.Dial
natConn.UpdateDestination(destinationAddress)
}
}
var udpTimeout time.Duration
if metadata.UDPTimeout > 0 {
udpTimeout = metadata.UDPTimeout
} else {
protocol := metadata.Protocol
if protocol == "" {
protocol = C.PortProtocols[metadata.Destination.Port]
}
if protocol != "" {
udpTimeout = C.ProtocolTimeouts[protocol]
}
}
if udpTimeout > 0 {
ctx, conn = canceler.NewPacketConn(ctx, conn, udpTimeout)
}
destination := bufio.NewPacketConn(remotePacketConn)
if ctx.Done() != nil {
onClose = N.AppendClose(onClose, m.monitor.Add(ctx, conn))

23
route/route.go
View file

@ -132,23 +132,11 @@ func (r *Router) routeConnection(ctx context.Context, conn net.Conn, metadata ad
if r.tracker != nil {
conn = r.tracker.RoutedConnection(ctx, conn, metadata, selectedRule, selectedOutbound)
}
legacyOutbound, isLegacy := selectedOutbound.(adapter.ConnectionHandler)
if isLegacy {
err = legacyOutbound.NewConnection(ctx, conn, metadata)
if err != nil {
conn.Close()
if onClose != nil {
onClose(err)
}
return E.Cause(err, F.ToString("outbound/", selectedOutbound.Type(), "[", selectedOutbound.Tag(), "]"))
} else {
if onClose != nil {
onClose(nil)
}
}
return nil
if outboundHandler, isHandler := selectedOutbound.(adapter.ConnectionHandlerEx); isHandler {
outboundHandler.NewConnectionEx(ctx, conn, metadata, onClose)
} else {
r.connection.NewConnection(ctx, selectedOutbound, conn, metadata, onClose)
}
r.connection.NewConnection(ctx, selectedOutbound, conn, metadata, onClose)
return nil
}
@ -440,6 +428,9 @@ match:
if routeOptions.UDPConnect {
metadata.UDPConnect = true
}
if routeOptions.UDPTimeout > 0 {
metadata.UDPTimeout = routeOptions.UDPTimeout
}
}
switch action := currentRule.Action().(type) {
case *rule.RuleActionSniff:

2
route/rule/rule_action.go
View file

@ -47,6 +47,7 @@ func NewRuleAction(ctx context.Context, logger logger.ContextLogger, action opti
FallbackDelay: time.Duration(action.RouteOptionsOptions.FallbackDelay),
UDPDisableDomainUnmapping: action.RouteOptionsOptions.UDPDisableDomainUnmapping,
UDPConnect: action.RouteOptionsOptions.UDPConnect,
UDPTimeout: time.Duration(action.RouteOptionsOptions.UDPTimeout),
}, nil
case C.RuleActionTypeDirect:
directDialer, err := dialer.New(ctx, option.DialerOptions(action.DirectOptions))
@ -152,6 +153,7 @@ type RuleActionRouteOptions struct {
FallbackDelay time.Duration
UDPDisableDomainUnmapping bool
UDPConnect bool
UDPTimeout time.Duration
}
func (r *RuleActionRouteOptions) Type() string {