mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-25 16:15:37 +08:00
109 lines
3.1 KiB
Go
109 lines
3.1 KiB
Go
package outbound
|
|
|
|
import (
|
|
"context"
|
|
"net"
|
|
"os"
|
|
|
|
"github.com/sagernet/sing-box/adapter"
|
|
"github.com/sagernet/sing-box/common/dialer"
|
|
"github.com/sagernet/sing-box/common/tls"
|
|
C "github.com/sagernet/sing-box/constant"
|
|
"github.com/sagernet/sing-box/log"
|
|
"github.com/sagernet/sing-box/option"
|
|
"github.com/sagernet/sing-shadowtls"
|
|
"github.com/sagernet/sing/common"
|
|
M "github.com/sagernet/sing/common/metadata"
|
|
N "github.com/sagernet/sing/common/network"
|
|
)
|
|
|
|
var _ adapter.Outbound = (*ShadowTLS)(nil)
|
|
|
|
type ShadowTLS struct {
|
|
myOutboundAdapter
|
|
client *shadowtls.Client
|
|
}
|
|
|
|
func NewShadowTLS(ctx context.Context, router adapter.Router, logger log.ContextLogger, tag string, options option.ShadowTLSOutboundOptions) (*ShadowTLS, error) {
|
|
outbound := &ShadowTLS{
|
|
myOutboundAdapter: myOutboundAdapter{
|
|
protocol: C.TypeShadowTLS,
|
|
network: []string{N.NetworkTCP},
|
|
router: router,
|
|
logger: logger,
|
|
tag: tag,
|
|
},
|
|
}
|
|
if options.TLS == nil || !options.TLS.Enabled {
|
|
return nil, C.ErrTLSRequired
|
|
}
|
|
|
|
if options.Version == 0 {
|
|
options.Version = 1
|
|
}
|
|
|
|
if options.Version == 1 {
|
|
options.TLS.MinVersion = "1.2"
|
|
options.TLS.MaxVersion = "1.2"
|
|
}
|
|
tlsConfig, err := tls.NewClient(router, options.Server, common.PtrValueOrDefault(options.TLS))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var tlsHandshakeFunc shadowtls.TLSHandshakeFunc
|
|
switch options.Version {
|
|
case 1, 2:
|
|
tlsHandshakeFunc = func(ctx context.Context, conn net.Conn, _ shadowtls.TLSSessionIDGeneratorFunc) error {
|
|
return common.Error(tls.ClientHandshake(ctx, conn, tlsConfig))
|
|
}
|
|
case 3:
|
|
if idConfig, loaded := tlsConfig.(tls.WithSessionIDGenerator); loaded {
|
|
tlsHandshakeFunc = func(ctx context.Context, conn net.Conn, sessionIDGenerator shadowtls.TLSSessionIDGeneratorFunc) error {
|
|
idConfig.SetSessionIDGenerator(sessionIDGenerator)
|
|
return common.Error(tls.ClientHandshake(ctx, conn, tlsConfig))
|
|
}
|
|
} else {
|
|
stdTLSConfig, err := tlsConfig.Config()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
tlsHandshakeFunc = shadowtls.DefaultTLSHandshakeFunc(options.Password, stdTLSConfig)
|
|
}
|
|
}
|
|
client, err := shadowtls.NewClient(shadowtls.ClientConfig{
|
|
Version: options.Version,
|
|
Password: options.Password,
|
|
Server: options.ServerOptions.Build(),
|
|
Dialer: dialer.New(router, options.DialerOptions),
|
|
TLSHandshake: tlsHandshakeFunc,
|
|
Logger: logger,
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
outbound.client = client
|
|
return outbound, nil
|
|
}
|
|
|
|
func (s *ShadowTLS) DialContext(ctx context.Context, network string, destination M.Socksaddr) (net.Conn, error) {
|
|
switch N.NetworkName(network) {
|
|
case N.NetworkTCP:
|
|
return s.client.DialContext(ctx)
|
|
default:
|
|
return nil, os.ErrInvalid
|
|
}
|
|
}
|
|
|
|
func (s *ShadowTLS) ListenPacket(ctx context.Context, destination M.Socksaddr) (net.PacketConn, error) {
|
|
return nil, os.ErrInvalid
|
|
}
|
|
|
|
func (s *ShadowTLS) NewConnection(ctx context.Context, conn net.Conn, metadata adapter.InboundContext) error {
|
|
return NewConnection(ctx, s, conn, metadata)
|
|
}
|
|
|
|
func (s *ShadowTLS) NewPacketConnection(ctx context.Context, conn N.PacketConn, metadata adapter.InboundContext) error {
|
|
return os.ErrInvalid
|
|
}
|