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Update dependencies

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世界 2023-04-23 19:31:41 +08:00
parent 90d915ea05
commit 18e5b0963f
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GPG key ID: CD109927C34A63C4
20 changed files with 523 additions and 238 deletions
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40
app/dispatcher/default.go
View file

@ -342,29 +342,27 @@ func (d *DefaultDispatcher) DispatchLink(ctx context.Context, destination net.De
}
sniffingRequest := content.SniffingRequest
if !sniffingRequest.Enabled {
go d.routedDispatch(ctx, outbound, destination)
d.routedDispatch(ctx, outbound, destination)
} else {
go func() {
cReader := &cachedReader{
reader: outbound.Reader.(*pipe.Reader),
cReader := &cachedReader{
reader: outbound.Reader.(*pipe.Reader),
}
outbound.Reader = cReader
result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
if err == nil {
content.Protocol = result.Protocol()
}
if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
domain := result.Domain()
newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
destination.Address = net.ParseAddress(domain)
if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
ob.RouteTarget = destination
} else {
ob.Target = destination
}
outbound.Reader = cReader
result, err := sniffer(ctx, cReader, sniffingRequest.MetadataOnly, destination.Network)
if err == nil {
content.Protocol = result.Protocol()
}
if err == nil && d.shouldOverride(ctx, result, sniffingRequest, destination) {
domain := result.Domain()
newError("sniffed domain: ", domain).WriteToLog(session.ExportIDToError(ctx))
destination.Address = net.ParseAddress(domain)
if sniffingRequest.RouteOnly && result.Protocol() != "fakedns" {
ob.RouteTarget = destination
} else {
ob.Target = destination
}
}
d.routedDispatch(ctx, outbound, destination)
}()
}
d.routedDispatch(ctx, outbound, destination)
}
return nil

2
app/proxyman/outbound/handler.go
View file

@ -211,7 +211,7 @@ out:
err.WriteToLog(session.ExportIDToError(ctx))
common.Interrupt(link.Writer)
} else {
common.Must(common.Close(link.Writer))
common.Close(link.Writer)
}
common.Interrupt(link.Reader)
}

46
common/singbridge/destination.go Normal file
View file

@ -0,0 +1,46 @@
package singbridge
import (
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/xtls/xray-core/common/net"
)
func ToNetwork(network string) net.Network {
switch N.NetworkName(network) {
case N.NetworkTCP:
return net.Network_TCP
case N.NetworkUDP:
return net.Network_UDP
default:
return net.Network_Unknown
}
}
func ToDestination(socksaddr M.Socksaddr, network net.Network) net.Destination {
if socksaddr.IsFqdn() {
return net.Destination{
Network: network,
Address: net.DomainAddress(socksaddr.Fqdn),
Port: net.Port(socksaddr.Port),
}
} else {
return net.Destination{
Network: network,
Address: net.IPAddress(socksaddr.Addr.AsSlice()),
Port: net.Port(socksaddr.Port),
}
}
}
func ToSocksaddr(destination net.Destination) M.Socksaddr {
var addr M.Socksaddr
switch destination.Address.Family() {
case net.AddressFamilyDomain:
addr.Fqdn = destination.Address.Domain()
default:
addr.Addr = M.AddrFromIP(destination.Address.IP())
}
addr.Port = uint16(destination.Port)
return addr
}

59
common/singbridge/dialer.go Normal file
View file

@ -0,0 +1,59 @@
package singbridge
import (
"context"
"os"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/net/cnc"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/proxy"
"github.com/xtls/xray-core/transport"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/pipe"
)
var _ N.Dialer = (*XrayDialer)(nil)
type XrayDialer struct {
internet.Dialer
}
func NewDialer(dialer internet.Dialer) *XrayDialer {
return &XrayDialer{dialer}
}
func (d *XrayDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
return d.Dialer.Dial(ctx, ToDestination(destination, ToNetwork(network)))
}
func (d *XrayDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return nil, os.ErrInvalid
}
type XrayOutboundDialer struct {
outbound proxy.Outbound
dialer internet.Dialer
}
func NewOutboundDialer(outbound proxy.Outbound, dialer internet.Dialer) *XrayOutboundDialer {
return &XrayOutboundDialer{outbound, dialer}
}
func (d *XrayOutboundDialer) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
ctx = session.ContextWithOutbound(context.Background(), &session.Outbound{
Target: ToDestination(destination, ToNetwork(network)),
})
opts := []pipe.Option{pipe.WithSizeLimit(64 * 1024)}
uplinkReader, uplinkWriter := pipe.New(opts...)
downlinkReader, downlinkWriter := pipe.New(opts...)
conn := cnc.NewConnection(cnc.ConnectionInputMulti(downlinkWriter), cnc.ConnectionOutputMulti(uplinkReader))
go d.outbound.Process(ctx, &transport.Link{Reader: downlinkReader, Writer: uplinkWriter}, d.dialer)
return conn, nil
}
func (d *XrayOutboundDialer) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
return nil, os.ErrInvalid
}

10
common/singbridge/error.go Normal file
View file

@ -0,0 +1,10 @@
package singbridge
import E "github.com/sagernet/sing/common/exceptions"
func ReturnError(err error) error {
if E.IsClosedOrCanceled(err) {
return nil
}
return err
}

51
common/singbridge/handler.go Normal file
View file

@ -0,0 +1,51 @@
package singbridge
import (
"context"
"io"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/transport"
)
var (
_ N.TCPConnectionHandler = (*Dispatcher)(nil)
_ N.UDPConnectionHandler = (*Dispatcher)(nil)
)
type Dispatcher struct {
upstream routing.Dispatcher
newErrorFunc func(values ...any) *errors.Error
}
func NewDispatcher(dispatcher routing.Dispatcher, newErrorFunc func(values ...any) *errors.Error) *Dispatcher {
return &Dispatcher{
upstream: dispatcher,
newErrorFunc: newErrorFunc,
}
}
func (d *Dispatcher) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error {
xConn := NewConn(conn)
return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_TCP), &transport.Link{
Reader: xConn,
Writer: xConn,
})
}
func (d *Dispatcher) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
return d.upstream.DispatchLink(ctx, ToDestination(metadata.Destination, net.Network_UDP), &transport.Link{
Reader: buf.NewPacketReader(conn.(io.Reader)),
Writer: buf.NewWriter(conn.(io.Writer)),
})
}
func (d *Dispatcher) NewError(ctx context.Context, err error) {
d.newErrorFunc(err).WriteToLog(session.ExportIDToError(ctx))
}

71
common/singbridge/logger.go Normal file
View file

@ -0,0 +1,71 @@
package singbridge
import (
"context"
"github.com/sagernet/sing/common/logger"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/session"
)
var _ logger.ContextLogger = (*XrayLogger)(nil)
type XrayLogger struct {
newError func(values ...any) *errors.Error
}
func NewLogger(newErrorFunc func(values ...any) *errors.Error) *XrayLogger {
return &XrayLogger{
newErrorFunc,
}
}
func (l *XrayLogger) Trace(args ...any) {
}
func (l *XrayLogger) Debug(args ...any) {
l.newError(args...).AtDebug().WriteToLog()
}
func (l *XrayLogger) Info(args ...any) {
l.newError(args...).AtInfo().WriteToLog()
}
func (l *XrayLogger) Warn(args ...any) {
l.newError(args...).AtWarning().WriteToLog()
}
func (l *XrayLogger) Error(args ...any) {
l.newError(args...).AtError().WriteToLog()
}
func (l *XrayLogger) Fatal(args ...any) {
}
func (l *XrayLogger) Panic(args ...any) {
}
func (l *XrayLogger) TraceContext(ctx context.Context, args ...any) {
}
func (l *XrayLogger) DebugContext(ctx context.Context, args ...any) {
l.newError(args...).AtDebug().WriteToLog(session.ExportIDToError(ctx))
}
func (l *XrayLogger) InfoContext(ctx context.Context, args ...any) {
l.newError(args...).AtInfo().WriteToLog(session.ExportIDToError(ctx))
}
func (l *XrayLogger) WarnContext(ctx context.Context, args ...any) {
l.newError(args...).AtWarning().WriteToLog(session.ExportIDToError(ctx))
}
func (l *XrayLogger) ErrorContext(ctx context.Context, args ...any) {
l.newError(args...).AtError().WriteToLog(session.ExportIDToError(ctx))
}
func (l *XrayLogger) FatalContext(ctx context.Context, args ...any) {
}
func (l *XrayLogger) PanicContext(ctx context.Context, args ...any) {
}

82
common/singbridge/packet.go Normal file
View file

@ -0,0 +1,82 @@
package singbridge
import (
"context"
B "github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
M "github.com/sagernet/sing/common/metadata"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/transport"
)
func CopyPacketConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, destination net.Destination, serverConn net.PacketConn) error {
conn := &PacketConnWrapper{
Reader: link.Reader,
Writer: link.Writer,
Dest: destination,
Conn: inboundConn,
}
return ReturnError(bufio.CopyPacketConn(ctx, conn, bufio.NewPacketConn(serverConn)))
}
type PacketConnWrapper struct {
buf.Reader
buf.Writer
net.Conn
Dest net.Destination
cached buf.MultiBuffer
}
func (w *PacketConnWrapper) ReadPacket(buffer *B.Buffer) (M.Socksaddr, error) {
if w.cached != nil {
mb, bb := buf.SplitFirst(w.cached)
if bb == nil {
w.cached = nil
} else {
buffer.Write(bb.Bytes())
w.cached = mb
var destination net.Destination
if bb.UDP != nil {
destination = *bb.UDP
} else {
destination = w.Dest
}
bb.Release()
return ToSocksaddr(destination), nil
}
}
mb, err := w.ReadMultiBuffer()
if err != nil {
return M.Socksaddr{}, err
}
nb, bb := buf.SplitFirst(mb)
if bb == nil {
return M.Socksaddr{}, nil
} else {
buffer.Write(bb.Bytes())
w.cached = nb
var destination net.Destination
if bb.UDP != nil {
destination = *bb.UDP
} else {
destination = w.Dest
}
bb.Release()
return ToSocksaddr(destination), nil
}
}
func (w *PacketConnWrapper) WritePacket(buffer *B.Buffer, destination M.Socksaddr) error {
vBuf := buf.New()
vBuf.Write(buffer.Bytes())
endpoint := ToDestination(destination, net.Network_UDP)
vBuf.UDP = &endpoint
return w.Writer.WriteMultiBuffer(buf.MultiBuffer{vBuf})
}
func (w *PacketConnWrapper) Close() error {
buf.ReleaseMulti(w.cached)
return nil
}

61
common/singbridge/pipe.go Normal file
View file

@ -0,0 +1,61 @@
package singbridge
import (
"context"
"io"
"net"
"github.com/sagernet/sing/common/bufio"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/transport"
)
func CopyConn(ctx context.Context, inboundConn net.Conn, link *transport.Link, serverConn net.Conn) error {
conn := &PipeConnWrapper{
W: link.Writer,
Conn: inboundConn,
}
if ir, ok := link.Reader.(io.Reader); ok {
conn.R = ir
} else {
conn.R = &buf.BufferedReader{Reader: link.Reader}
}
return ReturnError(bufio.CopyConn(ctx, conn, serverConn))
}
type PipeConnWrapper struct {
R io.Reader
W buf.Writer
net.Conn
}
func (w *PipeConnWrapper) Close() error {
return nil
}
func (w *PipeConnWrapper) Read(b []byte) (n int, err error) {
return w.R.Read(b)
}
func (w *PipeConnWrapper) Write(p []byte) (n int, err error) {
n = len(p)
var mb buf.MultiBuffer
pLen := len(p)
for pLen > 0 {
buffer := buf.New()
if pLen > buf.Size {
_, err = buffer.Write(p[:buf.Size])
p = p[buf.Size:]
} else {
buffer.Write(p)
}
pLen -= int(buffer.Len())
mb = append(mb, buffer)
}
err = w.W.WriteMultiBuffer(mb)
if err != nil {
n = 0
buf.ReleaseMulti(mb)
}
return
}

66
common/singbridge/reader.go Normal file
View file

@ -0,0 +1,66 @@
package singbridge
import (
"time"
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/bufio"
N "github.com/sagernet/sing/common/network"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
)
var (
_ buf.Reader = (*Conn)(nil)
_ buf.TimeoutReader = (*Conn)(nil)
_ buf.Writer = (*Conn)(nil)
)
type Conn struct {
net.Conn
writer N.VectorisedWriter
}
func NewConn(conn net.Conn) *Conn {
writer, _ := bufio.CreateVectorisedWriter(conn)
return &Conn{
Conn: conn,
writer: writer,
}
}
func (c *Conn) ReadMultiBuffer() (buf.MultiBuffer, error) {
buffer, err := buf.ReadBuffer(c.Conn)
if err != nil {
return nil, err
}
return buf.MultiBuffer{buffer}, nil
}
func (c *Conn) ReadMultiBufferTimeout(duration time.Duration) (buf.MultiBuffer, error) {
err := c.SetReadDeadline(time.Now().Add(duration))
if err != nil {
return nil, err
}
defer c.SetReadDeadline(time.Time{})
return c.ReadMultiBuffer()
}
func (c *Conn) WriteMultiBuffer(bufferList buf.MultiBuffer) error {
defer buf.ReleaseMulti(bufferList)
if c.writer != nil {
bytesList := make([][]byte, len(bufferList))
for i, buffer := range bufferList {
bytesList[i] = buffer.Bytes()
}
return common.Error(bufio.WriteVectorised(c.writer, bytesList))
}
// Since this conn is only used by tun, we don't force buffer writes to merge.
for _, buffer := range bufferList {
_, err := c.Conn.Write(buffer.Bytes())
if err != nil {
return err
}
}
return nil
}

2
go.mod
View file

@ -13,7 +13,7 @@ require (
github.com/pires/go-proxyproto v0.7.0
github.com/quic-go/quic-go v0.34.0
github.com/refraction-networking/utls v1.3.2
github.com/sagernet/sing v0.2.3
github.com/sagernet/sing v0.2.4
github.com/sagernet/sing-shadowsocks v0.2.1
github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c
github.com/seiflotfy/cuckoofilter v0.0.0-20220411075957-e3b120b3f5fb

2
go.sum
View file

@ -145,6 +145,8 @@ github.com/riobard/go-bloom v0.0.0-20200614022211-cdc8013cb5b3/go.mod h1:HgjTstv
github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
github.com/sagernet/sing v0.2.3 h1:V50MvZ4c3Iij2lYFWPlzL1PyipwSzjGeN9x+Ox89vpk=
github.com/sagernet/sing v0.2.3/go.mod h1:Ta8nHnDLAwqySzKhGoKk4ZIB+vJ3GTKj7UPrWYvM+4w=
github.com/sagernet/sing v0.2.4 h1:gC8BR5sglbJZX23RtMyFa8EETP9YEUADhfbEzU1yVbo=
github.com/sagernet/sing v0.2.4/go.mod h1:Ta8nHnDLAwqySzKhGoKk4ZIB+vJ3GTKj7UPrWYvM+4w=
github.com/sagernet/sing-shadowsocks v0.2.1 h1:FvdLQOqpvxHBJUcUe4fvgiYP2XLLwH5i1DtXQviVEPw=
github.com/sagernet/sing-shadowsocks v0.2.1/go.mod h1:T/OgurSjsAe+Ug3+6PprXjmgHFmJidjOvQcjXGTKb3I=
github.com/sagernet/wireguard-go v0.0.0-20221116151939-c99467f53f2c h1:vK2wyt9aWYHHvNLWniwijBu/n4pySypiKRhN32u/JGo=

18
proxy/shadowsocks_2022/inbound.go
View file

@ -17,6 +17,7 @@ import (
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/singbridge"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/transport/internet/stat"
)
@ -74,7 +75,7 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
ctx = session.ContextWithDispatcher(ctx, dispatcher)
if network == net.Network_TCP {
return returnError(i.service.NewConnection(ctx, connection, metadata))
return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
} else {
reader := buf.NewReader(connection)
pc := &natPacketConn{connection}
@ -82,7 +83,7 @@ func (i *Inbound) Process(ctx context.Context, network net.Network, connection s
mb, err := reader.ReadMultiBuffer()
if err != nil {
buf.ReleaseMulti(mb)
return returnError(err)
return singbridge.ReturnError(err)
}
for _, buffer := range mb {
packet := B.As(buffer.Bytes()).ToOwned()
@ -112,16 +113,11 @@ func (i *Inbound) NewConnection(ctx context.Context, conn net.Conn, metadata M.M
})
newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
if err != nil {
return err
}
outConn := &pipeConnWrapper{
&buf.BufferedReader{Reader: link.Reader},
link.Writer,
conn,
}
return bufio.CopyConn(ctx, conn, outConn)
return singbridge.CopyConn(ctx, nil, link, conn)
}
func (i *Inbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@ -138,12 +134,12 @@ func (i *Inbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, me
})
newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
destination := toDestination(metadata.Destination, net.Network_UDP)
destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
link, err := dispatcher.Dispatch(ctx, destination)
if err != nil {
return err
}
outConn := &packetConnWrapper{
outConn := &singbridge.PacketConnWrapper{
Reader: link.Reader,
Writer: link.Writer,
Dest: destination,

18
proxy/shadowsocks_2022/inbound_multi.go
View file

@ -21,6 +21,7 @@ import (
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/singbridge"
"github.com/xtls/xray-core/common/uuid"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/transport/internet/stat"
@ -163,7 +164,7 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
ctx = session.ContextWithDispatcher(ctx, dispatcher)
if network == net.Network_TCP {
return returnError(i.service.NewConnection(ctx, connection, metadata))
return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
} else {
reader := buf.NewReader(connection)
pc := &natPacketConn{connection}
@ -171,7 +172,7 @@ func (i *MultiUserInbound) Process(ctx context.Context, network net.Network, con
mb, err := reader.ReadMultiBuffer()
if err != nil {
buf.ReleaseMulti(mb)
return returnError(err)
return singbridge.ReturnError(err)
}
for _, buffer := range mb {
packet := B.As(buffer.Bytes()).ToOwned()
@ -203,16 +204,11 @@ func (i *MultiUserInbound) NewConnection(ctx context.Context, conn net.Conn, met
})
newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
if err != nil {
return err
}
outConn := &pipeConnWrapper{
&buf.BufferedReader{Reader: link.Reader},
link.Writer,
conn,
}
return bufio.CopyConn(ctx, conn, outConn)
return singbridge.CopyConn(ctx, conn, link, conn)
}
func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@ -231,12 +227,12 @@ func (i *MultiUserInbound) NewPacketConnection(ctx context.Context, conn N.Packe
})
newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
destination := toDestination(metadata.Destination, net.Network_UDP)
destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
link, err := dispatcher.Dispatch(ctx, destination)
if err != nil {
return err
}
outConn := &packetConnWrapper{
outConn := &singbridge.PacketConnWrapper{
Reader: link.Reader,
Writer: link.Writer,
Dest: destination,

20
proxy/shadowsocks_2022/inbound_relay.go
View file

@ -19,6 +19,7 @@ import (
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/singbridge"
"github.com/xtls/xray-core/common/uuid"
"github.com/xtls/xray-core/features/routing"
"github.com/xtls/xray-core/transport/internet/stat"
@ -66,7 +67,7 @@ func NewRelayServer(ctx context.Context, config *RelayServerConfig) (*RelayInbou
C.MapIndexed(config.Destinations, func(index int, it *RelayDestination) int { return index }),
C.Map(config.Destinations, func(it *RelayDestination) string { return it.Key }),
C.Map(config.Destinations, func(it *RelayDestination) M.Socksaddr {
return toSocksaddr(net.Destination{
return singbridge.ToSocksaddr(net.Destination{
Address: it.Address.AsAddress(),
Port: net.Port(it.Port),
})
@ -95,7 +96,7 @@ func (i *RelayInbound) Process(ctx context.Context, network net.Network, connect
ctx = session.ContextWithDispatcher(ctx, dispatcher)
if network == net.Network_TCP {
return returnError(i.service.NewConnection(ctx, connection, metadata))
return singbridge.ReturnError(i.service.NewConnection(ctx, connection, metadata))
} else {
reader := buf.NewReader(connection)
pc := &natPacketConn{connection}
@ -103,7 +104,7 @@ func (i *RelayInbound) Process(ctx context.Context, network net.Network, connect
mb, err := reader.ReadMultiBuffer()
if err != nil {
buf.ReleaseMulti(mb)
return returnError(err)
return singbridge.ReturnError(err)
}
for _, buffer := range mb {
packet := B.As(buffer.Bytes()).ToOwned()
@ -135,16 +136,11 @@ func (i *RelayInbound) NewConnection(ctx context.Context, conn net.Conn, metadat
})
newError("tunnelling request to tcp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
link, err := dispatcher.Dispatch(ctx, toDestination(metadata.Destination, net.Network_TCP))
link, err := dispatcher.Dispatch(ctx, singbridge.ToDestination(metadata.Destination, net.Network_TCP))
if err != nil {
return err
}
outConn := &pipeConnWrapper{
&buf.BufferedReader{Reader: link.Reader},
link.Writer,
conn,
}
return bufio.CopyConn(ctx, conn, outConn)
return singbridge.CopyConn(ctx, nil, link, conn)
}
func (i *RelayInbound) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata M.Metadata) error {
@ -163,12 +159,12 @@ func (i *RelayInbound) NewPacketConnection(ctx context.Context, conn N.PacketCon
})
newError("tunnelling request to udp:", metadata.Destination).WriteToLog(session.ExportIDToError(ctx))
dispatcher := session.DispatcherFromContext(ctx)
destination := toDestination(metadata.Destination, net.Network_UDP)
destination := singbridge.ToDestination(metadata.Destination, net.Network_UDP)
link, err := dispatcher.Dispatch(ctx, destination)
if err != nil {
return err
}
outConn := &packetConnWrapper{
outConn := &singbridge.PacketConnWrapper{
Reader: link.Reader,
Writer: link.Writer,
Dest: destination,

24
proxy/shadowsocks_2022/outbound.go
View file

@ -2,7 +2,6 @@ package shadowsocks_2022
import (
"context"
"io"
"runtime"
"time"
@ -17,6 +16,7 @@ import (
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/common/singbridge"
"github.com/xtls/xray-core/transport"
"github.com/xtls/xray-core/transport/internet"
)
@ -93,7 +93,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
}
if network == net.Network_TCP {
serverConn := o.method.DialEarlyConn(connection, toSocksaddr(destination))
serverConn := o.method.DialEarlyConn(connection, singbridge.ToSocksaddr(destination))
var handshake bool
if timeoutReader, isTimeoutReader := link.Reader.(buf.TimeoutReader); isTimeoutReader {
mb, err := timeoutReader.ReadMultiBufferTimeout(time.Millisecond * 100)
@ -128,17 +128,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
return newError("client handshake").Base(err)
}
}
conn := &pipeConnWrapper{
W: link.Writer,
Conn: inboundConn,
}
if ir, ok := link.Reader.(io.Reader); ok {
conn.R = ir
} else {
conn.R = &buf.BufferedReader{Reader: link.Reader}
}
return returnError(bufio.CopyConn(ctx, conn, serverConn))
return singbridge.CopyConn(ctx, inboundConn, link, serverConn)
} else {
var packetConn N.PacketConn
if pc, isPacketConn := inboundConn.(N.PacketConn); isPacketConn {
@ -146,7 +136,7 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
} else if nc, isNetPacket := inboundConn.(net.PacketConn); isNetPacket {
packetConn = bufio.NewPacketConn(nc)
} else {
packetConn = &packetConnWrapper{
packetConn = &singbridge.PacketConnWrapper{
Reader: link.Reader,
Writer: link.Writer,
Conn: inboundConn,
@ -155,14 +145,14 @@ func (o *Outbound) Process(ctx context.Context, link *transport.Link, dialer int
}
if o.uotClient != nil {
uConn, err := o.uotClient.DialEarlyConn(o.method.DialEarlyConn(connection, uot.RequestDestination(o.uotClient.Version)), false, toSocksaddr(destination))
uConn, err := o.uotClient.DialEarlyConn(o.method.DialEarlyConn(connection, uot.RequestDestination(o.uotClient.Version)), false, singbridge.ToSocksaddr(destination))
if err != nil {
return err
}
return returnError(bufio.CopyPacketConn(ctx, packetConn, uConn))
return singbridge.ReturnError(bufio.CopyPacketConn(ctx, packetConn, uConn))
} else {
serverConn := o.method.DialPacketConn(connection)
return returnError(bufio.CopyPacketConn(ctx, packetConn, serverConn))
return singbridge.ReturnError(bufio.CopyPacketConn(ctx, packetConn, serverConn))
}
}
}

142
proxy/shadowsocks_2022/shadowsocks_2022.go
View file

@ -1,145 +1,3 @@
package shadowsocks_2022
import (
"io"
B "github.com/sagernet/sing/common/buf"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
"github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/common/net"
)
//go:generate go run github.com/xtls/xray-core/common/errors/errorgen
func toDestination(socksaddr M.Socksaddr, network net.Network) net.Destination {
if socksaddr.IsFqdn() {
return net.Destination{
Network: network,
Address: net.DomainAddress(socksaddr.Fqdn),
Port: net.Port(socksaddr.Port),
}
} else {
return net.Destination{
Network: network,
Address: net.IPAddress(socksaddr.Addr.AsSlice()),
Port: net.Port(socksaddr.Port),
}
}
}
func toSocksaddr(destination net.Destination) M.Socksaddr {
var addr M.Socksaddr
switch destination.Address.Family() {
case net.AddressFamilyDomain:
addr.Fqdn = destination.Address.Domain()
default:
addr.Addr = M.AddrFromIP(destination.Address.IP())
}
addr.Port = uint16(destination.Port)
return addr
}
type pipeConnWrapper struct {
R io.Reader
W buf.Writer
net.Conn
}
func (w *pipeConnWrapper) Close() error {
return nil
}
func (w *pipeConnWrapper) Read(b []byte) (n int, err error) {
return w.R.Read(b)
}
func (w *pipeConnWrapper) Write(p []byte) (n int, err error) {
n = len(p)
var mb buf.MultiBuffer
pLen := len(p)
for pLen > 0 {
buffer := buf.New()
if pLen > buf.Size {
_, err = buffer.Write(p[:buf.Size])
p = p[buf.Size:]
} else {
buffer.Write(p)
}
pLen -= int(buffer.Len())
mb = append(mb, buffer)
}
err = w.W.WriteMultiBuffer(mb)
if err != nil {
n = 0
buf.ReleaseMulti(mb)
}
return
}
type packetConnWrapper struct {
buf.Reader
buf.Writer
net.Conn
Dest net.Destination
cached buf.MultiBuffer
}
func (w *packetConnWrapper) ReadPacket(buffer *B.Buffer) (M.Socksaddr, error) {
if w.cached != nil {
mb, bb := buf.SplitFirst(w.cached)
if bb == nil {
w.cached = nil
} else {
buffer.Write(bb.Bytes())
w.cached = mb
var destination net.Destination
if bb.UDP != nil {
destination = *bb.UDP
} else {
destination = w.Dest
}
bb.Release()
return toSocksaddr(destination), nil
}
}
mb, err := w.ReadMultiBuffer()
if err != nil {
return M.Socksaddr{}, err
}
nb, bb := buf.SplitFirst(mb)
if bb == nil {
return M.Socksaddr{}, nil
} else {
buffer.Write(bb.Bytes())
w.cached = nb
var destination net.Destination
if bb.UDP != nil {
destination = *bb.UDP
} else {
destination = w.Dest
}
bb.Release()
return toSocksaddr(destination), nil
}
}
func (w *packetConnWrapper) WritePacket(buffer *B.Buffer, destination M.Socksaddr) error {
vBuf := buf.New()
vBuf.Write(buffer.Bytes())
endpoint := toDestination(destination, net.Network_UDP)
vBuf.UDP = &endpoint
return w.Writer.WriteMultiBuffer(buf.MultiBuffer{vBuf})
}
func (w *packetConnWrapper) Close() error {
buf.ReleaseMulti(w.cached)
return nil
}
func returnError(err error) error {
if E.IsClosed(err) {
return nil
}
return err
}

16
transport/internet/system_dialer.go
View file

@ -5,6 +5,7 @@ import (
"syscall"
"time"
"github.com/sagernet/sing/common/control"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/features/dns"
@ -18,7 +19,7 @@ type SystemDialer interface {
}
type DefaultSystemDialer struct {
controllers []controller
controllers []control.Func
dns dns.Client
obm outbound.Manager
}
@ -81,6 +82,11 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
if sockopt != nil || len(d.controllers) > 0 {
dialer.Control = func(network, address string, c syscall.RawConn) error {
for _, ctl := range d.controllers {
if err := ctl(network, address, c); err != nil {
newError("failed to apply external controller").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
return c.Control(func(fd uintptr) {
if sockopt != nil {
if err := applyOutboundSocketOptions(network, address, fd, sockopt); err != nil {
@ -92,12 +98,6 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
}
}
}
for _, ctl := range d.controllers {
if err := ctl(network, address, fd); err != nil {
newError("failed to apply external controller").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
})
}
}
@ -185,7 +185,7 @@ func UseAlternativeSystemDialer(dialer SystemDialer) {
// It only works when effective dialer is the default dialer.
//
// xray:api:beta
func RegisterDialerController(ctl func(network, address string, fd uintptr) error) error {
func RegisterDialerController(ctl control.Func) error {
if ctl == nil {
return newError("nil listener controller")
}

21
transport/internet/system_listener.go
View file

@ -10,21 +10,26 @@ import (
"time"
"github.com/pires/go-proxyproto"
"github.com/sagernet/sing/common/control"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
)
var effectiveListener = DefaultListener{}
type controller func(network, address string, fd uintptr) error
type DefaultListener struct {
controllers []controller
controllers []control.Func
}
func getControlFunc(ctx context.Context, sockopt *SocketConfig, controllers []controller) func(network, address string, c syscall.RawConn) error {
func getControlFunc(ctx context.Context, sockopt *SocketConfig, controllers []control.Func) func(network, address string, c syscall.RawConn) error {
return func(network, address string, c syscall.RawConn) error {
return c.Control(func(fd uintptr) {
for _, controller := range controllers {
if err := controller(network, address, c); err != nil {
newError("failed to apply external controller").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
if sockopt != nil {
if err := applyInboundSocketOptions(network, fd, sockopt); err != nil {
newError("failed to apply socket options to incoming connection").Base(err).WriteToLog(session.ExportIDToError(ctx))
@ -32,12 +37,6 @@ func getControlFunc(ctx context.Context, sockopt *SocketConfig, controllers []co
}
setReusePort(fd)
for _, controller := range controllers {
if err := controller(network, address, fd); err != nil {
newError("failed to apply external controller").Base(err).WriteToLog(session.ExportIDToError(ctx))
}
}
})
}
}
@ -117,7 +116,7 @@ func (dl *DefaultListener) ListenPacket(ctx context.Context, addr net.Addr, sock
// The controller can be used to operate on file descriptors before they are put into use.
//
// xray:api:beta
func RegisterListenerController(controller func(network, address string, fd uintptr) error) error {
func RegisterListenerController(controller control.Func) error {
if controller == nil {
return newError("nil listener controller")
}

10
transport/internet/system_listener_test.go
View file

@ -3,8 +3,10 @@ package internet_test
import (
"context"
"net"
"syscall"
"testing"
"github.com/sagernet/sing/common/control"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/transport/internet"
)
@ -12,9 +14,11 @@ import (
func TestRegisterListenerController(t *testing.T) {
var gotFd uintptr
common.Must(internet.RegisterListenerController(func(network string, addr string, fd uintptr) error {
gotFd = fd
return nil
common.Must(internet.RegisterListenerController(func(network, address string, conn syscall.RawConn) error {
return control.Raw(conn, func(fd uintptr) error {
gotFd = fd
return nil
})
}))
conn, err := internet.ListenSystemPacket(context.Background(), &net.UDPAddr{