mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-23 02:26:49 -05:00
72 lines
1.7 KiB
Go
72 lines
1.7 KiB
Go
package internet
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"errors"
|
|
"net"
|
|
|
|
v2net "github.com/v2ray/v2ray-core/common/net"
|
|
v2tls "github.com/v2ray/v2ray-core/transport/internet/tls"
|
|
)
|
|
|
|
var (
|
|
ErrUnsupportedStreamType = errors.New("Unsupported stream type.")
|
|
)
|
|
|
|
type Dialer func(src v2net.Address, dest v2net.Destination) (Connection, error)
|
|
|
|
var (
|
|
TCPDialer Dialer
|
|
KCPDialer Dialer
|
|
RawTCPDialer Dialer
|
|
UDPDialer Dialer
|
|
WSDialer Dialer
|
|
)
|
|
|
|
func Dial(src v2net.Address, dest v2net.Destination, settings *StreamSettings) (Connection, error) {
|
|
|
|
var connection Connection
|
|
var err error
|
|
if dest.IsTCP() {
|
|
switch {
|
|
case settings.IsCapableOf(StreamConnectionTypeTCP):
|
|
connection, err = TCPDialer(src, dest)
|
|
case settings.IsCapableOf(StreamConnectionTypeKCP):
|
|
connection, err = KCPDialer(src, dest)
|
|
case settings.IsCapableOf(StreamConnectionTypeWebSocket):
|
|
connection, err = WSDialer(src, dest)
|
|
|
|
/*Warning: Hours wasted: the following item must be last one
|
|
|
|
internet.StreamConnectionType have a default value of 1,
|
|
so the following attempt will catch all.
|
|
*/
|
|
|
|
case settings.IsCapableOf(StreamConnectionTypeRawTCP):
|
|
connection, err = RawTCPDialer(src, dest)
|
|
default:
|
|
return nil, ErrUnsupportedStreamType
|
|
}
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if settings.Security == StreamSecurityTypeNone {
|
|
return connection, nil
|
|
}
|
|
|
|
config := settings.TLSSettings.GetTLSConfig()
|
|
if dest.Address().IsDomain() {
|
|
config.ServerName = dest.Address().Domain()
|
|
}
|
|
tlsConn := tls.Client(connection, config)
|
|
return v2tls.NewConnection(tlsConn), nil
|
|
}
|
|
|
|
return UDPDialer(src, dest)
|
|
}
|
|
|
|
func DialToDest(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
|
|
return effectiveSystemDialer.Dial(src, dest)
|
|
}
|