sing-box/inbound/socks.go
2024-12-03 17:36:49 +08:00

53 lines
1.6 KiB
Go

package inbound
import (
std_bufio "bufio"
"context"
"net"
"github.com/sagernet/sing-box/adapter"
"github.com/sagernet/sing-box/common/uot"
C "github.com/sagernet/sing-box/constant"
"github.com/sagernet/sing-box/log"
"github.com/sagernet/sing-box/option"
"github.com/sagernet/sing/common/auth"
E "github.com/sagernet/sing/common/exceptions"
N "github.com/sagernet/sing/common/network"
"github.com/sagernet/sing/protocol/socks"
)
var (
_ adapter.Inbound = (*Socks)(nil)
_ adapter.TCPInjectableInbound = (*Socks)(nil)
)
type Socks struct {
myInboundAdapter
authenticator *auth.Authenticator
}
func NewSocks(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.SocksInboundOptions) *Socks {
inbound := &Socks{
myInboundAdapter{
protocol: C.TypeSOCKS,
network: []string{N.NetworkTCP},
ctx: ctx,
router: uot.NewRouter(router, logger),
logger: logger,
tag: tag,
listenOptions: options.ListenOptions,
},
auth.NewAuthenticator(options.Users),
}
inbound.connHandler = inbound
return inbound
}
func (h *Socks) NewConnectionEx(ctx context.Context, conn net.Conn, metadata adapter.InboundContext, onClose N.CloseHandlerFunc) {
err := socks.HandleConnectionEx(ctx, conn, std_bufio.NewReader(conn), h.authenticator, nil, h.upstreamUserHandlerEx(metadata), metadata.Source, metadata.Destination, onClose)
N.CloseOnHandshakeFailure(conn, onClose, err)
if err != nil {
h.logger.ErrorContext(ctx, E.Cause(err, "process connection from ", metadata.Source))
}
}