SagerNet/sing-box
1
0
Fork 0
mirror of https://github.com/SagerNet/sing-box.git synced 2025-04-03 03:47:37 +03:00
Code Issues Projects Releases Packages Wiki Activity

WTF is this

Browse source
This commit is contained in:
世界 2024-06-24 09:49:15 +08:00
parent bda93d516b
commit 923d3222b0
No known key found for this signature in database
GPG key ID: CD109927C34A63C4
41 changed files with 421 additions and 507 deletions
Download patch file Download diff file Expand all files Collapse all files

27
transport/trojan/mux.go
View file

@ -1,12 +1,14 @@
package trojan
import (
std_bufio "bufio"
"context"
"net"
"github.com/sagernet/sing/common/buf"
"github.com/sagernet/sing/common/bufio"
E "github.com/sagernet/sing/common/exceptions"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/rw"
"github.com/sagernet/sing/common/task"
"github.com/sagernet/smux"
)
@ -33,27 +35,36 @@ func HandleMuxConnection(ctx context.Context, conn net.Conn, metadata M.Metadata
return group.Run(ctx)
}
func newMuxConnection(ctx context.Context, stream net.Conn, metadata M.Metadata, handler Handler) {
err := newMuxConnection0(ctx, stream, metadata, handler)
func newMuxConnection(ctx context.Context, conn net.Conn, metadata M.Metadata, handler Handler) {
err := newMuxConnection0(ctx, conn, metadata, handler)
if err != nil {
handler.NewError(ctx, E.Cause(err, "process trojan-go multiplex connection"))
}
}
func newMuxConnection0(ctx context.Context, stream net.Conn, metadata M.Metadata, handler Handler) error {
command, err := rw.ReadByte(stream)
func newMuxConnection0(ctx context.Context, conn net.Conn, metadata M.Metadata, handler Handler) error {
reader := std_bufio.NewReader(conn)
command, err := reader.ReadByte()
if err != nil {
return E.Cause(err, "read command")
}
metadata.Destination, err = M.SocksaddrSerializer.ReadAddrPort(stream)
metadata.Destination, err = M.SocksaddrSerializer.ReadAddrPort(reader)
if err != nil {
return E.Cause(err, "read destination")
}
if reader.Buffered() > 0 {
buffer := buf.NewSize(reader.Buffered())
_, err = buffer.ReadFullFrom(reader, buffer.Len())
if err != nil {
return err
}
conn = bufio.NewCachedConn(conn, buffer)
}
switch command {
case CommandTCP:
return handler.NewConnection(ctx, stream, metadata)
return handler.NewConnection(ctx, conn, metadata)
case CommandUDP:
return handler.NewPacketConnection(ctx, &PacketConn{Conn: stream}, metadata)
return handler.NewPacketConnection(ctx, &PacketConn{Conn: conn}, metadata)
default:
return E.New("unknown command ", command)
}

4
transport/trojan/service.go
View file

@ -2,6 +2,7 @@ package trojan
import (
"context"
"encoding/binary"
"net"
"github.com/sagernet/sing/common/auth"
@ -76,7 +77,8 @@ func (s *Service[K]) NewConnection(ctx context.Context, conn net.Conn, metadata
return E.Cause(err, "skip crlf")
}
command, err := rw.ReadByte(conn)
var command byte
err = binary.Read(conn, binary.BigEndian, &command)
if err != nil {
return E.Cause(err, "read command")
}

4
transport/v2raygrpc/conn.go
View file

@ -8,7 +8,7 @@ import (
"github.com/sagernet/sing/common"
"github.com/sagernet/sing/common/baderror"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/rw"
N "github.com/sagernet/sing/common/network"
)
var _ net.Conn = (*GRPCConn)(nil)
@ -90,7 +90,7 @@ func (c *GRPCConn) Upstream() any {
return c.GunService
}
var _ rw.WriteCloser = (*clientConnWrapper)(nil)
var _ N.WriteCloser = (*clientConnWrapper)(nil)
type clientConnWrapper struct {
GunService_TunClient

8
transport/v2raygrpclite/conn.go
View file

@ -13,7 +13,7 @@ import (
"github.com/sagernet/sing/common/baderror"
"github.com/sagernet/sing/common/buf"
M "github.com/sagernet/sing/common/metadata"
"github.com/sagernet/sing/common/rw"
"github.com/sagernet/sing/common/varbin"
)
// kanged from: https://github.com/Qv2ray/gun-lite
@ -96,7 +96,7 @@ func (c *GunConn) read(b []byte) (n int, err error) {
}
func (c *GunConn) Write(b []byte) (n int, err error) {
varLen := rw.UVariantLen(uint64(len(b)))
varLen := varbin.UvarintLen(uint64(len(b)))
buffer := buf.NewSize(6 + varLen + len(b))
header := buffer.Extend(6 + varLen)
header[0] = 0x00
@ -117,13 +117,13 @@ func (c *GunConn) Write(b []byte) (n int, err error) {
func (c *GunConn) WriteBuffer(buffer *buf.Buffer) error {
defer buffer.Release()
dataLen := buffer.Len()
varLen := rw.UVariantLen(uint64(dataLen))
varLen := varbin.UvarintLen(uint64(dataLen))
header := buffer.ExtendHeader(6 + varLen)
header[0] = 0x00
binary.BigEndian.PutUint32(header[1:5], uint32(1+varLen+dataLen))
header[5] = 0x0A
binary.PutUvarint(header[6:], uint64(dataLen))
err := rw.WriteBytes(c.writer, buffer.Bytes())
err := common.Error(c.writer.Write(buffer.Bytes()))
if err != nil {
return baderror.WrapH2(err)
}