vsocks5

type Client struct {
	Server   string
	Username string
	Password string
	DialTCP  func(network string, laddr, raddr *net.TCPAddr) (net.Conn, error)
}

type Cmd []byte

type DatagramUDP struct {
	Rsv     []byte // 0x00 0x00
	Frag    byte
	Atyp    byte
	DstAddr []byte
	DstPort []byte // 2 bytes
	Data    []byte
}

type DefaultHandle struct {
	Dialer
	BuffSize int
	// contains filtered or unexported fields
}

type Dialer struct {
	Dial        func(network, address string) (net.Conn, error)
	DialContext func(ctx context.Context, network, address string) (net.Conn, error)
}

type Handler interface {
	TCP(net.Conn, *RequestTCP) error
	UDP(*net.UDPConn, *net.UDPAddr, *DatagramUDP) error
}

type Negotiate struct {
	net.Conn
	// contains filtered or unexported fields
}

type NegotiationReply struct {
	Ver    byte
	Method byte
}

type NegotiationReplyAuth struct {
	Ver    byte
	Status byte
}

type NegotiationRequest struct {
	Ver      byte
	NMethods byte
	Methods  []byte // 1-255 bytes
}

type NegotiationRequestAuth struct {
	Ver    byte
	Ulen   byte
	Uname  []byte // 1-255 bytes
	Plen   byte
	Passwd []byte // 1-255 bytes
}

type ReplyTCP struct {
	Ver  byte
	Rep  byte
	Rsv  byte // 0x00
	Atyp byte
	// CONNECT socks server's address which used to connect to dst addr
	// BIND ...
	// UDP socks server's address which used to connect to dst addr
	BndAddr []byte
	// CONNECT socks server's port which used to connect to dst addr
	// BIND ...
	// UDP socks server's port which used to connect to dst addr
	BndPort []byte // 2 bytes
}

type RequestTCP struct {
	Ver     byte
	Cmd     byte
	Rsv     byte // 0x00
	Atyp    byte
	DstAddr []byte
	DstPort []byte // 2 bytes
}

type Server struct {
	Auth      func(username, password string) bool
	Supported Cmd
	Addr      string

	Handle   Handler
	ErrorLog *log.Logger // 日志
	Method   byte
	// contains filtered or unexported fields
}