mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-11-02 17:27:50 -04:00
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package scenarios
|
|
|
|
import (
|
|
v2net "v2ray.com/core/common/net"
|
|
)
|
|
|
|
const (
|
|
socks5Version = byte(0x05)
|
|
)
|
|
|
|
func socks5AuthMethodRequest(methods ...byte) []byte {
|
|
request := []byte{socks5Version, byte(len(methods))}
|
|
request = append(request, methods...)
|
|
return request
|
|
}
|
|
|
|
func appendAddress(request []byte, address v2net.Address) []byte {
|
|
switch address.Family() {
|
|
case v2net.AddressFamilyIPv4:
|
|
request = append(request, byte(0x01))
|
|
request = append(request, address.IP()...)
|
|
|
|
case v2net.AddressFamilyIPv6:
|
|
request = append(request, byte(0x04))
|
|
request = append(request, address.IP()...)
|
|
|
|
case v2net.AddressFamilyDomain:
|
|
request = append(request, byte(0x03), byte(len(address.Domain())))
|
|
request = append(request, []byte(address.Domain())...)
|
|
|
|
}
|
|
return request
|
|
}
|
|
|
|
func socks5Request(command byte, address v2net.Destination) []byte {
|
|
request := []byte{socks5Version, command, 0}
|
|
request = appendAddress(request, address.Address)
|
|
request = address.Port.Bytes(request)
|
|
return request
|
|
}
|
|
|
|
func socks5UDPRequest(address v2net.Destination, payload []byte) []byte {
|
|
request := make([]byte, 0, 1024)
|
|
request = append(request, 0, 0, 0)
|
|
request = appendAddress(request, address.Address)
|
|
request = address.Port.Bytes(request)
|
|
request = append(request, payload...)
|
|
return request
|
|
}
|