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67 lines
1.6 KiB
67 lines
1.6 KiB
package internet
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import (
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"crypto/tls"
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"errors"
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"net"
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v2net "v2ray.com/core/common/net"
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v2tls "v2ray.com/core/transport/internet/tls"
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)
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var (
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ErrUnsupportedStreamType = errors.New("Unsupported stream type.")
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)
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type Dialer func(src v2net.Address, dest v2net.Destination) (Connection, error)
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var (
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TCPDialer Dialer
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KCPDialer Dialer
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RawTCPDialer Dialer
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UDPDialer Dialer
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WSDialer Dialer
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)
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func Dial(src v2net.Address, dest v2net.Destination, settings *StreamSettings) (Connection, error) {
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var connection Connection
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var err error
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if dest.Network == v2net.Network_TCP {
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switch {
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case settings.IsCapableOf(StreamConnectionTypeTCP):
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connection, err = TCPDialer(src, dest)
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case settings.IsCapableOf(StreamConnectionTypeKCP):
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connection, err = KCPDialer(src, dest)
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case settings.IsCapableOf(StreamConnectionTypeWebSocket):
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connection, err = WSDialer(src, dest)
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// This check has to be the last one.
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case settings.IsCapableOf(StreamConnectionTypeRawTCP):
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connection, err = RawTCPDialer(src, dest)
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default:
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return nil, ErrUnsupportedStreamType
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}
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if err != nil {
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return nil, err
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}
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if settings.Security == StreamSecurityTypeNone {
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return connection, nil
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}
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config := settings.TLSSettings.GetTLSConfig()
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if dest.Address.Family().IsDomain() {
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config.ServerName = dest.Address.Domain()
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}
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tlsConn := tls.Client(connection, config)
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return v2tls.NewConnection(tlsConn), nil
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}
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return UDPDialer(src, dest)
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}
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func DialToDest(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
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return effectiveSystemDialer.Dial(src, dest)
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}
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