Xray-core/transport/internet/tcp/dialer.go
yuhan6665 3fb67f065a
Add fingerprint xray_random (#1540)
* Add fingerprint xray_random

xray_random means to pick a random uTLS fingerprint at the core startup
This way, the fingerprint is stable for a user for some days. While there is no identifiable signature for the whole xray community

* Fingerprint "random" refine

Exclude old fingerprint from RNG
2023-01-20 23:36:08 -05:00

56 lines
1.9 KiB
Go

package tcp
import (
"context"
"github.com/xtls/xray-core/common"
"github.com/xtls/xray-core/common/net"
"github.com/xtls/xray-core/common/session"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
"github.com/xtls/xray-core/transport/internet/tls"
"github.com/xtls/xray-core/transport/internet/xtls"
)
// Dial dials a new TCP connection to the given destination.
func Dial(ctx context.Context, dest net.Destination, streamSettings *internet.MemoryStreamConfig) (stat.Connection, error) {
newError("dialing TCP to ", dest).WriteToLog(session.ExportIDToError(ctx))
conn, err := internet.DialSystem(ctx, dest, streamSettings.SocketSettings)
if err != nil {
return nil, err
}
if config := tls.ConfigFromStreamSettings(streamSettings); config != nil {
tlsConfig := config.GetTLSConfig(tls.WithDestination(dest))
if fingerprint, ok := tls.GetFingerprint(ctx, config.Fingerprint); ok {
conn = tls.UClient(conn, tlsConfig, fingerprint)
if err := conn.(*tls.UConn).Handshake(); err != nil {
return nil, err
}
} else {
conn = tls.Client(conn, tlsConfig)
}
} else if config := xtls.ConfigFromStreamSettings(streamSettings); config != nil {
xtlsConfig := config.GetXTLSConfig(xtls.WithDestination(dest))
conn = xtls.Client(conn, xtlsConfig)
}
tcpSettings := streamSettings.ProtocolSettings.(*Config)
if tcpSettings.HeaderSettings != nil {
headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
if err != nil {
return nil, newError("failed to get header settings").Base(err).AtError()
}
auth, err := internet.CreateConnectionAuthenticator(headerConfig)
if err != nil {
return nil, newError("failed to create header authenticator").Base(err).AtError()
}
conn = auth.Client(conn)
}
return stat.Connection(conn), nil
}
func init() {
common.Must(internet.RegisterTransportDialer(protocolName, Dial))
}