tubesocks

type AddrSpec struct {
	FQDN string
	IP   net.IP
	Port int
}

type AuthContext struct {
	// Provided auth method
	Method uint8
	// Payload provided during negotiation.
	// Keys depend on the used auth method.
	// For UserPassauth contains Username
	Payload map[string]string
}

type Authenticator interface {
	Authenticate(reader io.Reader, writer io.Writer) (*AuthContext, error)
	GetCode() uint8
}

type Config struct {
	// AuthMethods can be provided to implement custom authentication
	// By default, "auth-less" mode is enabled.
	// For password-based auth use UserPassAuthenticator.
	AuthMethods []Authenticator

	// user and password for upstream SOCKS5 server
	User     string
	Password string

	ProxyURL string

	// BindIP is used for bind or udp associate
	BindIP net.IP

	// Logger can be used to provide a custom log target.
	// Defaults to stdout.
	Logger *log.Logger

	// Optional function for dialing out
	Dial func(ctx context.Context, network, addr string) (net.Conn, error)
}

type CredentialStore interface {
	Valid(user, password string) bool
}

type NoAuthAuthenticator struct{}

type Request struct {
	// Protocol version
	Version uint8
	// Requested command
	Command uint8
	// AuthContext provided during negotiation
	AuthContext *AuthContext
	// AddrSpec of the the network that sent the request
	RemoteAddr *AddrSpec
	// AddrSpec of the desired destination
	DestAddr *AddrSpec
	// contains filtered or unexported fields
}

type Server struct {
	// contains filtered or unexported fields
}

type StaticCredentials map[string]string

type UserPassAuthenticator struct {
	Credentials CredentialStore
}