github.com/Uhtred009/v2ray-core-1@v4.31.2+incompatible/transport/internet/tcp/dialer.go (about)

     1  // +build !confonly
     2  
     3  package tcp
     4  
     5  import (
     6  	"context"
     7  
     8  	"v2ray.com/core/common"
     9  	"v2ray.com/core/common/net"
    10  	"v2ray.com/core/common/session"
    11  	"v2ray.com/core/transport/internet"
    12  	"v2ray.com/core/transport/internet/tls"
    13  	"v2ray.com/core/transport/internet/xtls"
    14  )
    15  
    16  // Dial dials a new TCP connection to the given destination.
    17  func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (internet.Connection, error) {
    18  	newError("dialing TCP to ", dest).WriteToLog(session.ExportIDToError(ctx))
    19  	conn, err := internet.DialSystem(ctx, dest, streamSettings.SocketSettings)
    20  	if err != nil {
    21  		return nil, err
    22  	}
    23  
    24  	if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
    25  		tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
    26  		/*
    27  			if config.IsExperiment8357() {
    28  				conn = tls.UClient(conn, tlsConfig)
    29  			} else {
    30  				conn = tls.Client(conn, tlsConfig)
    31  			}
    32  		*/
    33  		conn = tls.Client(conn, tlsConfig)
    34  	} else if config := xtls.ConfigFromStreamSettings(streamSettings); config != nil {
    35  		xtlsConfig := config.GetXTLSConfig(xtls.WithDestination(dest))
    36  		conn = xtls.Client(conn, xtlsConfig)
    37  	}
    38  
    39  	tcpSettings := streamSettings.ProtocolSettings.(*Config)
    40  	if tcpSettings.HeaderSettings != nil {
    41  		headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
    42  		if err != nil {
    43  			return nil, newError("failed to get header settings").Base(err).AtError()
    44  		}
    45  		auth, err := internet.CreateConnectionAuthenticator(headerConfig)
    46  		if err != nil {
    47  			return nil, newError("failed to create header authenticator").Base(err).AtError()
    48  		}
    49  		conn = auth.Client(conn)
    50  	}
    51  	return internet.Connection(conn), nil
    52  }
    53  
    54  func init() {
    55  	common.Must(internet.RegisterTransportDialer(protocolName, Dial))
    56  }