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Add resolver for inbound

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世界 2022-07-07 23:36:32 +08:00
parent 538a1f5909
commit 9c256afc1a
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GPG Key ID: CD109927C34A63C4
22 changed files with 261 additions and 173 deletions
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7
adapter/inbound.go
View File

@ -2,8 +2,11 @@ package adapter
import (
"context"
"net/netip"
M "github.com/sagernet/sing/common/metadata"
C "github.com/sagernet/sing-box/constant"
)
type Inbound interface {
@ -23,8 +26,10 @@ type InboundContext struct {
// cache
DomainStrategy C.DomainStrategy
SniffEnabled bool
SniffOverrideDestination bool
DestinationAddresses []netip.Addr
SourceGeoIPCode string
GeoIPCode string
@ -50,5 +55,5 @@ func AppendContext(ctx context.Context) (context.Context, *InboundContext) {
return ctx, metadata
}
metadata = new(InboundContext)
return WithContext(ctx, metadata), nil
return WithContext(ctx, metadata), metadata
}

5
adapter/outbound.go
View File

@ -4,7 +4,6 @@ import (
"context"
"net"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
@ -13,6 +12,6 @@ type Outbound interface {
Tag() string
Network() []string
N.Dialer
NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error
NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error
NewConnection(ctx context.Context, conn net.Conn, metadata InboundContext) error
NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata InboundContext) error
}

16
common/dialer/dialer.go
View File

@ -10,17 +10,19 @@ import (
)
func New(router adapter.Router, options option.DialerOptions) N.Dialer {
domainStrategy := C.DomainStrategy(options.DomainStrategy)
var dialer N.Dialer
if options.Detour == "" {
dialer = NewDefault(options)
dialer = NewResolveDialer(router, dialer, domainStrategy)
return NewDefault(options)
} else {
dialer = NewDetour(router, options.Detour)
if domainStrategy != C.DomainStrategyAsIS {
dialer = NewResolveDialer(router, dialer, domainStrategy)
return NewDetour(router, options.Detour)
}
}
func NewOutbound(router adapter.Router, options option.OutboundDialerOptions) N.Dialer {
dialer := New(router, options.DialerOptions)
domainStrategy := C.DomainStrategy(options.DomainStrategy)
if domainStrategy != C.DomainStrategyAsIS || options.Detour == "" && !C.CGO_ENABLED {
dialer = NewResolveDialer(router, dialer, domainStrategy)
}
if options.OverrideOptions.IsValid() {
dialer = NewOverride(dialer, common.PtrValueOrDefault(options.OverrideOptions))
}

23
common/dialer/resolve.go
View File

@ -5,7 +5,6 @@ import (
"net"
"net/netip"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@ -41,16 +40,7 @@ func (d *ResolveDialer) DialContext(ctx context.Context, network string, destina
if err != nil {
return nil, err
}
var conn net.Conn
var connErrors []error
for _, address := range addresses {
conn, err = d.dialer.DialContext(ctx, network, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
return DialSerial(ctx, d.dialer, network, destination, addresses)
}
func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
@ -67,16 +57,7 @@ func (d *ResolveDialer) ListenPacket(ctx context.Context, destination M.Socksadd
if err != nil {
return nil, err
}
var conn net.PacketConn
var connErrors []error
for _, address := range addresses {
conn, err = d.dialer.ListenPacket(ctx, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
return ListenSerial(ctx, d.dialer, destination, addresses)
}
func (d *ResolveDialer) Upstream() any {

39
common/dialer/serial.go Normal file
View File

@ -0,0 +1,39 @@
package dialer
import (
"context"
"net"
"net/netip"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
func DialSerial(ctx context.Context, dialer N.Dialer, network string, destination M.Socksaddr, destinationAddresses []netip.Addr) (net.Conn, error) {
var conn net.Conn
var err error
var connErrors []error
for _, address := range destinationAddresses {
conn, err = dialer.DialContext(ctx, network, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
}
func ListenSerial(ctx context.Context, dialer N.Dialer, destination M.Socksaddr, destinationAddresses []netip.Addr) (net.PacketConn, error) {
var conn net.PacketConn
var err error
var connErrors []error
for _, address := range destinationAddresses {
conn, err = dialer.ListenPacket(ctx, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
}

9
common/geosite/reader.go
View File

@ -77,9 +77,14 @@ func (r *Reader) readMetadata() error {
}
func (r *Reader) Read(code string) ([]Item, error) {
if _, exists := r.domainIndex[code]; !exists {
index, exists := r.domainIndex[code]
if !exists {
return nil, E.New("code ", code, " not exists!")
}
_, err := r.reader.Seek(int64(index), io.SeekCurrent)
if err != nil {
return nil, err
}
counter := &rw.ReadCounter{Reader: r.reader}
domain := make([]Item, r.domainLength[code])
for i := range domain {
@ -97,7 +102,7 @@ func (r *Reader) Read(code string) ([]Item, error) {
}
domain[i] = item
}
_, err := r.reader.Seek(int64(r.domainIndex[code])-counter.Count(), io.SeekCurrent)
_, err = r.reader.Seek(int64(-index)-counter.Count(), io.SeekCurrent)
return domain, err
}

3
constant/cgo.go Normal file
View File

@ -0,0 +1,3 @@
package constant
const CGO_ENABLED = true

5
constant/cgo_disabled.go Normal file
View File

@ -0,0 +1,5 @@
//go:build !cgo
package constant
const CGO_ENABLED = false

24
dns/dialer.go
View File

@ -4,11 +4,11 @@ import (
"context"
"net"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
C "github.com/sagernet/sing-box/constant"
)
@ -31,16 +31,7 @@ func (d *DialerWrapper) DialContext(ctx context.Context, network string, destina
if err != nil {
return nil, err
}
var conn net.Conn
var connErrors []error
for _, address := range addresses {
conn, err = d.dialer.DialContext(ctx, network, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
return dialer.DialSerial(ctx, d.dialer, network, destination, addresses)
}
func (d *DialerWrapper) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
@ -51,16 +42,7 @@ func (d *DialerWrapper) ListenPacket(ctx context.Context, destination M.Socksadd
if err != nil {
return nil, err
}
var conn net.PacketConn
var connErrors []error
for _, address := range addresses {
conn, err = d.dialer.ListenPacket(ctx, M.SocksaddrFromAddrPort(address, destination.Port))
if err != nil {
connErrors = append(connErrors, err)
}
return conn, nil
}
return nil, E.Errors(connErrors...)
return dialer.ListenSerial(ctx, d.dialer, destination, addresses)
}
func (d *DialerWrapper) Upstream() any {

3
inbound/default.go
View File

@ -136,6 +136,7 @@ func (a *myInboundAdapter) loopTCPIn() {
metadata.Inbound = a.tag
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = C.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.Network = C.NetworkTCP
metadata.Source = M.SocksaddrFromNet(conn.RemoteAddr())
a.logger.WithContext(ctx).Info("inbound connection from ", metadata.Source)
@ -167,6 +168,7 @@ func (a *myInboundAdapter) loopUDPIn() {
metadata.Inbound = a.tag
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = C.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.Network = C.NetworkUDP
metadata.Source = M.SocksaddrFromNetIP(addr)
err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)
@ -191,6 +193,7 @@ func (a *myInboundAdapter) loopUDPInThreadSafe() {
metadata.Inbound = a.tag
metadata.SniffEnabled = a.listenOptions.SniffEnabled
metadata.SniffOverrideDestination = a.listenOptions.SniffOverrideDestination
metadata.DomainStrategy = C.DomainStrategy(a.listenOptions.DomainStrategy)
metadata.Network = C.NetworkUDP
metadata.Source = M.SocksaddrFromNetIP(addr)
err = a.packetHandler.NewPacket(a.ctx, packetService, buffer, metadata)

1
option/inbound.go
View File

@ -85,6 +85,7 @@ type ListenOptions struct {
UDPTimeout int64 `json:"udp_timeout,omitempty"`
SniffEnabled bool `json:"sniff,omitempty"`
SniffOverrideDestination bool `json:"sniff_override_destination,omitempty"`
DomainStrategy DomainStrategy `json:"domain_strategy,omitempty"`
}
type SimpleInboundOptions struct {

12
option/outbound.go
View File

@ -74,6 +74,10 @@ type DialerOptions struct {
ReuseAddr bool `json:"reuse_addr,omitempty"`
ConnectTimeout int `json:"connect_timeout,omitempty"`
TCPFastOpen bool `json:"tcp_fast_open,omitempty"`
}
type OutboundDialerOptions struct {
DialerOptions
OverrideOptions *OverrideStreamOptions `json:"override,omitempty"`
DomainStrategy DomainStrategy `json:"domain_strategy,omitempty"`
}
@ -99,13 +103,13 @@ func (o ServerOptions) Build() M.Socksaddr {
}
type DirectOutboundOptions struct {
DialerOptions
OutboundDialerOptions
OverrideAddress string `json:"override_address,omitempty"`
OverridePort uint16 `json:"override_port,omitempty"`
}
type SocksOutboundOptions struct {
DialerOptions
OutboundDialerOptions
ServerOptions
Version string `json:"version,omitempty"`
Username string `json:"username,omitempty"`
@ -114,14 +118,14 @@ type SocksOutboundOptions struct {
}
type HTTPOutboundOptions struct {
DialerOptions
OutboundDialerOptions
ServerOptions
Username string `json:"username,omitempty"`
Password string `json:"password,omitempty"`
}
type ShadowsocksOutboundOptions struct {
DialerOptions
OutboundDialerOptions
ServerOptions
Method string `json:"method"`
Password string `json:"password"`

16
option/types.go
View File

@ -100,13 +100,13 @@ func (s DomainStrategy) MarshalJSON() ([]byte, error) {
value = ""
// value = "AsIS"
case C.DomainStrategyPreferIPv4:
value = "PreferIPv4"
value = "prefer_ipv4"
case C.DomainStrategyPreferIPv6:
value = "PreferIPv6"
value = "prefer_ipv6"
case C.DomainStrategyUseIPv4:
value = "UseIPv4"
value = "ipv4_only"
case C.DomainStrategyUseIPv6:
value = "UseIPv6"
value = "ipv6_only"
default:
return nil, E.New("unknown domain strategy: ", s)
}
@ -122,13 +122,13 @@ func (s *DomainStrategy) UnmarshalJSON(bytes []byte) error {
switch value {
case "", "AsIS":
*s = DomainStrategy(C.DomainStrategyAsIS)
case "PreferIPv4":
case "prefer_ipv4":
*s = DomainStrategy(C.DomainStrategyPreferIPv4)
case "PreferIPv6":
case "prefer_ipv6":
*s = DomainStrategy(C.DomainStrategyPreferIPv6)
case "UseIPv4":
case "ipv4_only":
*s = DomainStrategy(C.DomainStrategyUseIPv4)
case "UseIPv6":
case "ipv6_only":
*s = DomainStrategy(C.DomainStrategyUseIPv6)
default:
return E.New("unknown domain strategy: ", value)

8
outbound/block.go
View File

@ -40,14 +40,14 @@ func (h *Block) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.
return nil, io.EOF
}
func (h *Block) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
func (h *Block) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
conn.Close()
h.logger.WithContext(ctx).Info("blocked connection to ", destination)
h.logger.WithContext(ctx).Info("blocked connection to ", metadata.Destination)
return nil
}
func (h *Block) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
func (h *Block) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
conn.Close()
h.logger.WithContext(ctx).Info("blocked packet connection to ", destination)
h.logger.WithContext(ctx).Info("blocked packet connection to ", metadata.Destination)
return nil
}

49
outbound/default.go
View File

@ -10,7 +10,11 @@ import (
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
E "github.com/sagernet/sing/common/exceptions"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/dialer"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
)
@ -33,6 +37,51 @@ func (a *myOutboundAdapter) Network() []string {
return a.network
}
func NewConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
ctx = adapter.WithContext(ctx, &metadata)
var outConn net.Conn
var err error
if len(metadata.DestinationAddresses) > 0 {
outConn, err = dialer.DialSerial(ctx, this, C.NetworkTCP, metadata.Destination, metadata.DestinationAddresses)
} else {
outConn, err = this.DialContext(ctx, C.NetworkTCP, metadata.Destination)
}
if err != nil {
return err
}
return bufio.CopyConn(ctx, conn, outConn)
}
func NewEarlyConnection(ctx context.Context, this N.Dialer, conn net.Conn, metadata adapter.InboundContext) error {
ctx = adapter.WithContext(ctx, &metadata)
var outConn net.Conn
var err error
if len(metadata.DestinationAddresses) > 0 {
outConn, err = dialer.DialSerial(ctx, this, C.NetworkTCP, metadata.Destination, metadata.DestinationAddresses)
} else {
outConn, err = this.DialContext(ctx, C.NetworkTCP, metadata.Destination)
}
if err != nil {
return err
}
return CopyEarlyConn(ctx, conn, outConn)
}
func NewPacketConnection(ctx context.Context, this N.Dialer, conn N.PacketConn, metadata adapter.InboundContext) error {
ctx = adapter.WithContext(ctx, &metadata)
var outConn net.PacketConn
var err error
if len(metadata.DestinationAddresses) > 0 {
outConn, err = dialer.ListenSerial(ctx, this, metadata.Destination, metadata.DestinationAddresses)
} else {
outConn, err = this.ListenPacket(ctx, metadata.Destination)
}
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
}
func CopyEarlyConn(ctx context.Context, conn net.Conn, serverConn net.Conn) error {
_payload := buf.StackNew()
payload := common.Dup(_payload)

21
outbound/direct.go
View File

@ -4,7 +4,6 @@ import (
"context"
"net"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
@ -32,7 +31,7 @@ func NewDirect(router adapter.Router, logger log.Logger, tag string, options opt
tag: tag,
network: []string{C.NetworkTCP, C.NetworkUDP},
},
dialer: dialer.New(router, options.DialerOptions),
dialer: dialer.NewOutbound(router, options.OutboundDialerOptions),
}
if options.OverrideAddress != "" && options.OverridePort != 0 {
outbound.overrideOption = 1
@ -50,6 +49,7 @@ func NewDirect(router adapter.Router, logger log.Logger, tag string, options opt
func (h *Direct) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch h.overrideOption {
case 1:
destination = h.overrideDestination
@ -72,22 +72,15 @@ func (h *Direct) DialContext(ctx context.Context, network string, destination M.
func (h *Direct) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.WithContext(ctx).Info("outbound packet connection")
return h.dialer.ListenPacket(ctx, destination)
}
func (h *Direct) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
outConn, err := h.DialContext(ctx, C.NetworkTCP, destination)
if err != nil {
return err
}
return bufio.CopyConn(ctx, conn, outConn)
func (h *Direct) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
return NewConnection(ctx, h, conn, metadata)
}
func (h *Direct) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
outConn, err := h.ListenPacket(ctx, destination)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
func (h *Direct) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return NewPacketConnection(ctx, h, conn, metadata)
}

15
outbound/http.go
View File

@ -5,7 +5,6 @@ import (
"net"
"os"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/protocol/http"
@ -32,13 +31,14 @@ func NewHTTP(router adapter.Router, logger log.Logger, tag string, options optio
tag: tag,
network: []string{C.NetworkTCP},
},
http.NewClient(dialer.New(router, options.DialerOptions), options.ServerOptions.Build(), options.Username, options.Password),
http.NewClient(dialer.NewOutbound(router, options.OutboundDialerOptions), options.ServerOptions.Build(), options.Username, options.Password),
}
}
func (h *HTTP) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.WithContext(ctx).Info("outbound connection to ", destination)
return h.client.DialContext(ctx, network, destination)
}
@ -46,17 +46,14 @@ func (h *HTTP) DialContext(ctx context.Context, network string, destination M.So
func (h *HTTP) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
return nil, os.ErrInvalid
}
func (h *HTTP) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
outConn, err := h.DialContext(ctx, C.NetworkTCP, destination)
if err != nil {
return err
}
return bufio.CopyConn(ctx, conn, outConn)
func (h *HTTP) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
return NewConnection(ctx, h, conn, metadata)
}
func (h *HTTP) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
func (h *HTTP) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return os.ErrInvalid
}

20
outbound/shadowsocks.go
View File

@ -39,7 +39,7 @@ func NewShadowsocks(router adapter.Router, logger log.Logger, tag string, option
tag: tag,
network: options.Network.Build(),
},
dialer.New(router, options.DialerOptions),
dialer.NewOutbound(router, options.OutboundDialerOptions),
method,
options.ServerOptions.Build(),
}, nil
@ -48,6 +48,7 @@ func NewShadowsocks(router adapter.Router, logger log.Logger, tag string, option
func (h *Shadowsocks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch network {
case C.NetworkTCP:
h.logger.WithContext(ctx).Info("outbound connection to ", destination)
@ -71,6 +72,7 @@ func (h *Shadowsocks) DialContext(ctx context.Context, network string, destinati
func (h *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.WithContext(ctx).Info("outbound packet connection to ", h.serverAddr)
outConn, err := h.dialer.ListenPacket(ctx, destination)
if err != nil {
@ -79,18 +81,10 @@ func (h *Shadowsocks) ListenPacket(ctx context.Context, destination M.Socksaddr)
return h.method.DialPacketConn(&bufio.BindPacketConn{PacketConn: outConn, Addr: h.serverAddr.UDPAddr()}), nil
}
func (h *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
serverConn, err := h.DialContext(ctx, C.NetworkTCP, destination)
if err != nil {
return err
}
return CopyEarlyConn(ctx, conn, serverConn)
func (h *Shadowsocks) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
return NewEarlyConnection(ctx, h, conn, metadata)
}
func (h *Shadowsocks) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
serverConn, err := h.ListenPacket(ctx, destination)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn))
func (h *Shadowsocks) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return NewPacketConnection(ctx, h, conn, metadata)
}

21
outbound/socks.go
View File

@ -4,7 +4,6 @@ import (
"context"
"net"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/protocol/socks"
@ -24,7 +23,7 @@ type Socks struct {
}
func NewSocks(router adapter.Router, logger log.Logger, tag string, options option.SocksOutboundOptions) (*Socks, error) {
detour := dialer.New(router, options.DialerOptions)
detour := dialer.NewOutbound(router, options.OutboundDialerOptions)
var version socks.Version
var err error
if options.Version != "" {
@ -49,6 +48,7 @@ func NewSocks(router adapter.Router, logger log.Logger, tag string, options opti
func (h *Socks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
switch network {
case C.NetworkTCP:
h.logger.WithContext(ctx).Info("outbound connection to ", destination)
@ -63,22 +63,15 @@ func (h *Socks) DialContext(ctx context.Context, network string, destination M.S
func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
ctx, metadata := adapter.AppendContext(ctx)
metadata.Outbound = h.tag
metadata.Destination = destination
h.logger.WithContext(ctx).Info("outbound packet connection to ", destination)
return h.client.ListenPacket(ctx, destination)
}
func (h *Socks) NewConnection(ctx context.Context, conn net.Conn, destination M.Socksaddr) error {
outConn, err := h.DialContext(ctx, C.NetworkTCP, destination)
if err != nil {
return err
}
return bufio.CopyConn(ctx, conn, outConn)
func (h *Socks) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
return NewConnection(ctx, h, conn, metadata)
}
func (h *Socks) NewPacketConnection(ctx context.Context, conn N.PacketConn, destination M.Socksaddr) error {
outConn, err := h.ListenPacket(ctx, destination)
if err != nil {
return err
}
return bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(outConn))
func (h *Socks) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
return NewPacketConnection(ctx, h, conn, metadata)
}

53
route/router.go
View File

@ -56,6 +56,7 @@ type Router struct {
dnsClient adapter.DNSClient
defaultDomainStrategy C.DomainStrategy
dnsRules []adapter.Rule
defaultTransport adapter.DNSTransport
transports []adapter.DNSTransport
@ -69,9 +70,11 @@ func NewRouter(ctx context.Context, logger log.Logger, options option.RouteOptio
dnsLogger: logger.WithPrefix("dns: "),
outboundByTag: make(map[string]adapter.Outbound),
rules: make([]adapter.Rule, 0, len(options.Rules)),
dnsRules: make([]adapter.Rule, 0, len(dnsOptions.Rules)),
needGeoIPDatabase: hasGeoRule(options.Rules, isGeoIPRule) || hasGeoDNSRule(dnsOptions.Rules, isGeoIPDNSRule),
needGeositeDatabase: hasGeoRule(options.Rules, isGeositeRule) || hasGeoDNSRule(dnsOptions.Rules, isGeositeDNSRule),
geoIPOptions: common.PtrValueOrDefault(options.GeoIP),
geositeOptions: common.PtrValueOrDefault(options.Geosite),
defaultDetour: options.Final,
dnsClient: dns.NewClient(dnsOptions.DNSClientOptions),
defaultDomainStrategy: C.DomainStrategy(dnsOptions.Strategy),
@ -88,7 +91,7 @@ func NewRouter(ctx context.Context, logger log.Logger, options option.RouteOptio
if err != nil {
return nil, E.Cause(err, "parse dns rule[", i, "]")
}
router.rules = append(router.rules, dnsRule)
router.dnsRules = append(router.dnsRules, dnsRule)
}
transports := make([]adapter.DNSTransport, len(dnsOptions.Servers))
dummyTransportMap := make(map[string]adapter.DNSTransport)
@ -259,6 +262,12 @@ func (r *Router) Start() error {
return err
}
}
for _, rule := range r.dnsRules {
err := rule.Start()
if err != nil {
return err
}
}
if r.needGeositeDatabase {
for _, rule := range r.rules {
err := rule.UpdateGeosite()
@ -266,6 +275,12 @@ func (r *Router) Start() error {
r.logger.Error("failed to initialize geosite: ", err)
}
}
for _, rule := range r.dnsRules {
err := rule.UpdateGeosite()
if err != nil {
r.logger.Error("failed to initialize geosite: ", err)
}
}
err := common.Close(r.geositeReader)
if err != nil {
return err
@ -275,6 +290,18 @@ func (r *Router) Start() error {
}
func (r *Router) Close() error {
for _, rule := range r.rules {
err := rule.Close()
if err != nil {
return err
}
}
for _, rule := range r.dnsRules {
err := rule.Close()
if err != nil {
return err
}
}
return common.Close(
common.PtrOrNil(r.geoIPReader),
)
@ -325,12 +352,20 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
conn = bufio.NewCachedConn(conn, buffer)
}
}
if metadata.Destination.IsFqdn() && metadata.DomainStrategy != C.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, metadata.DomainStrategy)
if err != nil {
return err
}
metadata.DestinationAddresses = addresses
r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(common.Map(metadata.DestinationAddresses, F.ToString0[netip.Addr]), " "), "]")
}
detour := r.match(ctx, metadata, r.defaultOutboundForConnection)
if !common.Contains(detour.Network(), C.NetworkTCP) {
conn.Close()
return E.New("missing supported outbound, closing connection")
}
return detour.NewConnection(adapter.WithContext(ctx, &metadata), conn, metadata.Destination)
return detour.NewConnection(ctx, conn, metadata)
}
func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
@ -359,12 +394,20 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
}
conn = bufio.NewCachedPacketConn(conn, buffer, originDestination)
}
if metadata.Destination.IsFqdn() && metadata.DomainStrategy != C.DomainStrategyAsIS {
addresses, err := r.Lookup(adapter.WithContext(ctx, &metadata), metadata.Destination.Fqdn, metadata.DomainStrategy)
if err != nil {
return err
}
metadata.DestinationAddresses = addresses
r.dnsLogger.WithContext(ctx).Info("resolved [", strings.Join(common.Map(metadata.DestinationAddresses, F.ToString0[netip.Addr]), " "), "]")
}
detour := r.match(ctx, metadata, r.defaultOutboundForPacketConnection)
if !common.Contains(detour.Network(), C.NetworkUDP) {
conn.Close()
return E.New("missing supported outbound, closing packet connection")
}
return detour.NewPacketConnection(adapter.WithContext(ctx, &metadata), conn, metadata.Destination)
return detour.NewPacketConnection(ctx, conn, metadata)
}
func (r *Router) Exchange(ctx context.Context, message *dnsmessage.Message) (*dnsmessage.Message, error) {
@ -397,10 +440,10 @@ func (r *Router) match(ctx context.Context, metadata adapter.InboundContext, def
func (r *Router) matchDNS(ctx context.Context) adapter.DNSTransport {
metadata := adapter.ContextFrom(ctx)
if metadata == nil {
r.dnsLogger.WithContext(ctx).Info("no context")
r.dnsLogger.WithContext(ctx).Warn("no context")
return r.defaultTransport
}
for i, rule := range r.rules {
for i, rule := range r.dnsRules {
if rule.Match(metadata) {
detour := rule.Outbound()
r.dnsLogger.WithContext(ctx).Info("match[", i, "] ", rule.String(), " => ", detour)

13
route/rule_cidr.go
View File

@ -41,14 +41,21 @@ func (r *IPCIDRItem) Match(metadata *adapter.InboundContext) bool {
}
}
} else {
if metadata.Destination.IsFqdn() {
return false
}
if metadata.Destination.IsIP() {
for _, prefix := range r.prefixes {
if prefix.Contains(metadata.Destination.Addr) {
return true
}
}
} else {
for _, address := range metadata.DestinationAddresses {
for _, prefix := range r.prefixes {
if prefix.Contains(address) {
return true
}
}
}
}
}
return false
}

37
route/rule_geoip.go
View File

@ -3,8 +3,6 @@ package route
import (
"strings"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/log"
)
@ -36,42 +34,27 @@ func NewGeoIPItem(router adapter.Router, logger log.Logger, isSource bool, codes
func (r *GeoIPItem) Match(metadata *adapter.InboundContext) bool {
geoReader := r.router.GeoIPReader()
if geoReader == nil {
return r.match(metadata)
return false
}
if r.isSource {
if metadata.SourceGeoIPCode == "" {
metadata.SourceGeoIPCode = geoReader.Lookup(metadata.Source.Addr)
}
return r.codeMap[metadata.SourceGeoIPCode]
} else {
if metadata.Destination.IsFqdn() {
return false
}
if metadata.Destination.IsIP() {
if metadata.GeoIPCode == "" {
metadata.GeoIPCode = geoReader.Lookup(metadata.Destination.Addr)
}
}
return r.match(metadata)
}
func (r *GeoIPItem) match(metadata *adapter.InboundContext) bool {
if r.isSource {
if metadata.SourceGeoIPCode == "" {
if !N.IsPublicAddr(metadata.Source.Addr) {
metadata.SourceGeoIPCode = "private"
}
}
return r.codeMap[metadata.SourceGeoIPCode]
} else {
if metadata.Destination.IsFqdn() {
return false
}
if metadata.GeoIPCode == "" {
if !N.IsPublicAddr(metadata.Destination.Addr) {
metadata.GeoIPCode = "private"
}
}
return r.codeMap[metadata.GeoIPCode]
}
for _, address := range metadata.DestinationAddresses {
if r.codeMap[geoReader.Lookup(address)] {
return true
}
}
return false
}
}
func (r *GeoIPItem) String() string {