v2ray-core/proxy/socks/protocol/socks4.go

39 lines
729 B
Go

package protocol
import (
"errors"
"github.com/v2ray/v2ray-core/common/alloc"
)
var (
Socks4Downgrade = errors.New("Downgraded to Socks 4.")
)
type Socks4AuthenticationRequest struct {
Version byte
Command byte
Port uint16
IP [4]byte
}
type Socks4AuthenticationResponse struct {
result byte
port uint16
ip []byte
}
func NewSocks4AuthenticationResponse(result byte, port uint16, ip []byte) *Socks4AuthenticationResponse {
return &Socks4AuthenticationResponse{
result: result,
port: port,
ip: ip,
}
}
func (r *Socks4AuthenticationResponse) Write(buffer *alloc.Buffer) {
buffer.AppendBytes(
byte(0x00), r.result, byte(r.port>>8), byte(r.port),
r.ip[0], r.ip[1], r.ip[2], r.ip[3])
}