mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-09-19 18:17:50 +00:00
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package outbound
|
|
|
|
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"
|
|
|
|
"github.com/sagernet/sing-box/adapter"
|
|
C "github.com/sagernet/sing-box/constant"
|
|
"github.com/sagernet/sing-box/log"
|
|
"github.com/sagernet/sing-box/option"
|
|
"github.com/sagernet/sing-box/outbound/dialer"
|
|
)
|
|
|
|
var _ adapter.Outbound = (*Socks)(nil)
|
|
|
|
type Socks struct {
|
|
myOutboundAdapter
|
|
client *socks.Client
|
|
}
|
|
|
|
func NewSocks(router adapter.Router, logger log.Logger, tag string, options option.SocksOutboundOptions) (*Socks, error) {
|
|
detour := dialer.New(router, options.DialerOptions)
|
|
var version socks.Version
|
|
var err error
|
|
if options.Version != "" {
|
|
version, err = socks.ParseVersion(options.Version)
|
|
} else {
|
|
version = socks.Version5
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &Socks{
|
|
myOutboundAdapter{
|
|
protocol: C.TypeSocks,
|
|
logger: logger,
|
|
tag: tag,
|
|
network: options.Network.Build(),
|
|
},
|
|
socks.NewClient(detour, M.ParseSocksaddrHostPort(options.Server, options.ServerPort), version, options.Username, options.Password),
|
|
}, nil
|
|
}
|
|
|
|
func (h *Socks) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
|
switch network {
|
|
case C.NetworkTCP:
|
|
h.logger.WithContext(ctx).Info("outbound connection to ", destination)
|
|
case C.NetworkUDP:
|
|
h.logger.WithContext(ctx).Info("outbound packet connection to ", destination)
|
|
default:
|
|
panic("unknown network " + network)
|
|
}
|
|
return h.client.DialContext(ctx, network, destination)
|
|
}
|
|
|
|
func (h *Socks) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
|
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) 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))
|
|
}
|