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Refactor: *net.UDPAddr -> *net.Destination 

https://t.me/projectXray/111998
This commit is contained in:
RPRX 2020-12-28 09:40:28 +00:00 committed by GitHub
parent 6bcac6cb10
commit 13ad3fddf6
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 59 additions and 50 deletions
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5
common/buf/buffer.go
View File

@ -2,9 +2,9 @@ package buf
import (
"io"
"net"
"github.com/xtls/xray-core/common/bytespool"
"github.com/xtls/xray-core/common/net"
)
const (
@ -21,7 +21,7 @@ type Buffer struct {
v []byte
start int32
end int32
UDP *net.UDPAddr
UDP *net.Destination
}
// New creates a Buffer with 0 length and 2K capacity.
@ -49,6 +49,7 @@ func (b *Buffer) Release() {
b.v = nil
b.Clear()
pool.Put(p)
b.UDP = nil
}
// Clear clears the content of the buffer, results an empty buffer with

27
proxy/freedom/freedom.go
View File

@ -149,7 +149,7 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
if destination.Network == net.Network_TCP {
writer = buf.NewWriter(conn)
} else {
writer = NewPacketWriter(conn)
writer = NewPacketWriter(conn, h, ctx)
}
if err := buf.Copy(input, writer, buf.UpdateActivity(timer)); err != nil {
@ -215,14 +215,18 @@ func (r *PacketReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
return nil, err
}
b.Resize(0, int32(n))
b.UDP = d.(*net.UDPAddr)
b.UDP = &net.Destination{
Address: net.IPAddress(d.(*net.UDPAddr).IP),
Port: net.Port(d.(*net.UDPAddr).Port),
Network: net.Network_UDP,
}
if r.Counter != nil {
r.Counter.Add(int64(n))
}
return buf.MultiBuffer{b}, nil
}
func NewPacketWriter(conn net.Conn) buf.Writer {
func NewPacketWriter(conn net.Conn, h *Handler, ctx context.Context) buf.Writer {
iConn := conn
statConn, ok := iConn.(*internet.StatCouterConnection)
if ok {
@ -236,6 +240,8 @@ func NewPacketWriter(conn net.Conn) buf.Writer {
return &PacketWriter{
PacketConnWrapper: c,
Counter: counter,
Handler: h,
Context: ctx,
}
}
return &buf.SequentialWriter{Writer: conn}
@ -244,6 +250,8 @@ func NewPacketWriter(conn net.Conn) buf.Writer {
type PacketWriter struct {
*internet.PacketConnWrapper
stats.Counter
*Handler
context.Context
}
func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
@ -256,7 +264,18 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
var n int
var err error
if b.UDP != nil {
n, err = w.PacketConnWrapper.WriteTo(b.Bytes(), b.UDP)
if w.Handler.config.useIP() && b.UDP.Address.Family().IsDomain() {
ip := w.Handler.resolveIP(w.Context, b.UDP.Address.Domain(), nil)
if ip != nil {
b.UDP.Address = ip
}
}
destAddr, _ := net.ResolveUDPAddr("udp", b.UDP.NetAddr())
if destAddr == nil {
b.Release()
continue
}
n, err = w.PacketConnWrapper.WriteTo(b.Bytes(), destAddr)
} else {
n, err = w.PacketConnWrapper.Write(b.Bytes())
}

19
proxy/shadowsocks/protocol.go
View File

@ -235,10 +235,8 @@ func (v *UDPReader) ReadMultiBuffer() (buf.MultiBuffer, error) {
buffer.Release()
return nil, err
}
payload.UDP = &net.UDPAddr{
IP: u.Address.IP(),
Port: int(u.Port),
}
dest := u.Destination()
payload.UDP = &dest
return buf.MultiBuffer{payload}, nil
}
@ -254,18 +252,15 @@ func (w *UDPWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
if b == nil {
break
}
var packet *buf.Buffer
var err error
request := w.Request
if b.UDP != nil {
request := &protocol.RequestHeader{
request = &protocol.RequestHeader{
User: w.Request.User,
Address: net.IPAddress(b.UDP.IP),
Port: net.Port(b.UDP.Port),
Address: b.UDP.Address,
Port: b.UDP.Port,
}
packet, err = EncodeUDPPacket(request, b.Bytes())
} else {
packet, err = EncodeUDPPacket(w.Request, b.Bytes())
}
packet, err := EncodeUDPPacket(request, b.Bytes())
b.Release()
if err != nil {
buf.ReleaseMulti(mb)

17
proxy/shadowsocks/server.go
View File

@ -81,8 +81,8 @@ func (s *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
if payload.UDP != nil {
request = &protocol.RequestHeader{
User: request.User,
Address: net.IPAddress(payload.UDP.IP),
Port: net.Port(payload.UDP.Port),
Address: payload.UDP.Address,
Port: payload.UDP.Port,
}
}
@ -128,25 +128,24 @@ func (s *Server) handlerUDPPayload(ctx context.Context, conn internet.Connection
continue
}
destination := request.Destination()
currentPacketCtx := ctx
if inbound.Source.IsValid() {
currentPacketCtx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
From: inbound.Source,
To: request.Destination(),
To: destination,
Status: log.AccessAccepted,
Reason: "",
Email: request.User.Email,
})
}
newError("tunnelling request to ", request.Destination()).WriteToLog(session.ExportIDToError(currentPacketCtx))
newError("tunnelling request to ", destination).WriteToLog(session.ExportIDToError(currentPacketCtx))
data.UDP = &net.UDPAddr{
IP: request.Address.IP(),
Port: int(request.Port),
}
data.UDP = &destination
if dest.Network == 0 {
dest = request.Destination() // JUST FOLLOW THE FIREST PACKET
dest = request.Destination() // JUST FOLLOW THE FIRST PACKET
}
currentPacketCtx = protocol.ContextWithRequestHeader(currentPacketCtx, request)

18
proxy/socks/server.go
View File

@ -202,8 +202,8 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn internet.Connection,
if payload.UDP != nil {
request = &protocol.RequestHeader{
User: request.User,
Address: net.IPAddress(payload.UDP.IP),
Port: net.Port(payload.UDP.Port),
Address: payload.UDP.Address,
Port: payload.UDP.Port,
}
}
@ -244,24 +244,24 @@ func (s *Server) handleUDPPayload(ctx context.Context, conn internet.Connection,
payload.Release()
continue
}
destination := request.Destination()
currentPacketCtx := ctx
newError("send packet to ", request.Destination(), " with ", payload.Len(), " bytes").AtDebug().WriteToLog(session.ExportIDToError(ctx))
newError("send packet to ", destination, " with ", payload.Len(), " bytes").AtDebug().WriteToLog(session.ExportIDToError(ctx))
if inbound := session.InboundFromContext(ctx); inbound != nil && inbound.Source.IsValid() {
currentPacketCtx = log.ContextWithAccessMessage(ctx, &log.AccessMessage{
From: inbound.Source,
To: request.Destination(),
To: destination,
Status: log.AccessAccepted,
Reason: "",
})
}
payload.UDP = &net.UDPAddr{
IP: request.Address.IP(),
Port: int(request.Port),
}
payload.UDP = &destination
if dest.Network == 0 {
dest = request.Destination() // JUST FOLLOW THE FIREST PACKET
dest = destination // JUST FOLLOW THE FIRST PACKET
}
currentPacketCtx = protocol.ContextWithRequestHeader(currentPacketCtx, request)

19
proxy/trojan/protocol.go
View File

@ -134,12 +134,11 @@ func (w *PacketWriter) WriteMultiBuffer(mb buf.MultiBuffer) error {
if b == nil {
break
}
target := w.Target
target := &w.Target
if b.UDP != nil {
target.Address = net.IPAddress(b.UDP.IP)
target.Port = net.Port(b.UDP.Port)
target = b.UDP
}
if _, err := w.writePacket(b.Bytes(), target); err != nil {
if _, err := w.writePacket(b.Bytes(), *target); err != nil {
buf.ReleaseMulti(mb)
return err
}
@ -155,12 +154,11 @@ func (w *PacketWriter) WriteMultiBufferWithMetadata(mb buf.MultiBuffer, dest net
if b == nil {
break
}
source := dest
source := &dest
if b.UDP != nil {
source.Address = net.IPAddress(b.UDP.IP)
source.Port = net.Port(b.UDP.Port)
source = b.UDP
}
if _, err := w.writePacket(b.Bytes(), source); err != nil {
if _, err := w.writePacket(b.Bytes(), *source); err != nil {
buf.ReleaseMulti(mb)
return err
}
@ -312,10 +310,7 @@ func (r *PacketReader) ReadMultiBufferWithMetadata() (*PacketPayload, error) {
}
b := buf.New()
b.UDP = &net.UDPAddr{
IP: addr.IP(),
Port: int(port.Value()),
}
b.UDP = &dest
mb = append(mb, b)
n, err := b.ReadFullFrom(r, int32(length))
if err != nil {

2
proxy/trojan/server.go
View File

@ -281,7 +281,7 @@ func (s *Server) handleUDPPayload(ctx context.Context, clientReader *PacketReade
newError("tunnelling request to ", p.Target).WriteToLog(session.ExportIDToError(ctx))
if dest.Network == 0 {
dest = p.Target // JUST FOLLOW THE FIREST PACKET
dest = p.Target // JUST FOLLOW THE FIRST PACKET
}
for _, b := range p.Buffer {

2
transport/internet/udp/dispatcher.go
View File

@ -66,7 +66,7 @@ func (v *Dispatcher) getInboundRay(ctx context.Context, dest net.Destination) *c
cancel()
v.RemoveRay(dest)
}
timer := signal.CancelAfterInactivity(ctx, removeRay, time.Second*4)
timer := signal.CancelAfterInactivity(ctx, removeRay, time.Minute)
link, _ := v.dispatcher.Dispatch(ctx, dest)
entry := &connEntry{
link: link,