shadowaead

Documentation

Index

• Constants
• Variables
• func Kdf(key, iv []byte, buffer *buf.Buffer)
• type BufferedWriter
  • func (w *BufferedWriter) Flush() error
  • func (w *BufferedWriter) Write(p []byte) (n int, err error)
• type Method
  • func New(method string, key []byte, password string) (*Method, error)
  • func (m *Method) DialConn(conn net.Conn, destination M.Socksaddr) (net.Conn, error)
  • func (m *Method) DialEarlyConn(conn net.Conn, destination M.Socksaddr) net.Conn
  • func (m *Method) DialPacketConn(conn net.Conn) N.NetPacketConn
  • func (m *Method) Name() string
• type Reader
  • func NewRawReader(upstream io.Reader, cipher cipher.AEAD, buffer []byte, nonce []byte) *Reader
  • func NewReader(upstream io.Reader, cipher cipher.AEAD, maxPacketSize int) *Reader
  • func (r *Reader) Buffer() *buf.Buffer
  • func (r *Reader) Cached() int
  • func (r *Reader) CachedSlice() []byte
  • func (r *Reader) Discard(n int) error
  • func (r *Reader) Read(b []byte) (n int, err error)
  • func (r *Reader) ReadByte() (byte, error)
  • func (r *Reader) ReadChunk(buffer *buf.Buffer, chunk []byte) error
  • func (r *Reader) ReadExternalChunk(chunk []byte) error
  • func (r *Reader) ReadWithLength(length uint16) error
  • func (r *Reader) ReadWithLengthChunk(lengthChunk []byte) error
  • func (r *Reader) Upstream() any
  • func (r *Reader) WriteTo(writer io.Writer) (n int64, err error)
• type Service
  • func NewService(method string, key []byte, password string, udpTimeout int64, ...) (*Service, error)
  • func (s *Service) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error
  • func (s *Service) NewError(ctx context.Context, err error)
  • func (s *Service) NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.Buffer, ...) error
  • func (s *Service) WriteIsThreadUnsafe()
• type Writer
  • func NewRawWriter(upstream io.Writer, cipher cipher.AEAD, maxPacketSize int, buffer []byte, ...) *Writer
  • func NewWriter(upstream io.Writer, cipher cipher.AEAD, maxPacketSize int) *Writer
  • func (w *Writer) Buffer() *buf.Buffer
  • func (w *Writer) BufferedWriter(reversed int) *BufferedWriter
  • func (w *Writer) ReadFrom(r io.Reader) (n int64, err error)
  • func (w *Writer) Upstream() any
  • func (w *Writer) Write(p []byte) (n int, err error)
  • func (w *Writer) WriteChunk(buffer *buf.Buffer, chunk []byte)

Constants

const (
	MaxPacketSize          = 16*1024 - 1
	PacketLengthBufferSize = 2
)

https://shadowsocks.org/en/wiki/AEAD-Ciphers.html

const (
	// Overhead
	// crypto/cipher.gcmTagSize
	// golang.org/x/crypto/chacha20poly1305.Overhead
	Overhead = 16
)

Variables

var ErrBadHeader = E.New("bad header")

var List = []string{
	"aes-128-gcm",
	"aes-192-gcm",
	"aes-256-gcm",
	"chacha20-ietf-poly1305",
	"xchacha20-ietf-poly1305",
}

Functions

func Kdf

func Kdf(key, iv []byte, buffer *buf.Buffer)

Types

type BufferedWriter

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

func (*BufferedWriter) Flush

func (w *BufferedWriter) Flush() error

func (*BufferedWriter) Write

func (w *BufferedWriter) Write(p []byte) (n int, err error)

type Method

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

func New

func New(method string, key []byte, password string) (*Method, error)

func (*Method) DialConn

func (m *Method) DialConn(conn net.Conn, destination M.Socksaddr) (net.Conn, error)

func (*Method) DialEarlyConn

func (m *Method) DialEarlyConn(conn net.Conn, destination M.Socksaddr) net.Conn

func (*Method) DialPacketConn

func (m *Method) DialPacketConn(conn net.Conn) N.NetPacketConn

func (*Method) Name

func (m *Method) Name() string

type Reader

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

func NewRawReader

func NewRawReader(upstream io.Reader, cipher cipher.AEAD, buffer []byte, nonce []byte) *Reader

func NewReader

func NewReader(upstream io.Reader, cipher cipher.AEAD, maxPacketSize int) *Reader

func (*Reader) Buffer

func (r *Reader) Buffer() *buf.Buffer

func (*Reader) Cached

func (r *Reader) Cached() int

func (*Reader) CachedSlice

func (r *Reader) CachedSlice() []byte

func (*Reader) Discard

func (r *Reader) Discard(n int) error

func (*Reader) Read

func (r *Reader) Read(b []byte) (n int, err error)

func (*Reader) ReadByte

func (r *Reader) ReadByte() (byte, error)

func (*Reader) ReadChunk

func (r *Reader) ReadChunk(buffer *buf.Buffer, chunk []byte) error

func (*Reader) ReadExternalChunk

func (r *Reader) ReadExternalChunk(chunk []byte) error

func (*Reader) ReadWithLength

func (r *Reader) ReadWithLength(length uint16) error

func (*Reader) ReadWithLengthChunk

func (r *Reader) ReadWithLengthChunk(lengthChunk []byte) error

func (*Reader) Upstream

func (r *Reader) Upstream() any

func (*Reader) WriteTo

func (r *Reader) WriteTo(writer io.Writer) (n int64, err error)

type Service

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

func NewService

func NewService(method string, key []byte, password string, udpTimeout int64, handler shadowsocks.Handler) (*Service, error)

func (*Service) NewConnection

func (s *Service) NewConnection(ctx context.Context, conn net.Conn, metadata M.Metadata) error

func (*Service) NewError

func (s *Service) NewError(ctx context.Context, err error)

func (*Service) NewPacket

func (s *Service) NewPacket(ctx context.Context, conn N.PacketConn, buffer *buf.Buffer, metadata M.Metadata) error

func (*Service) WriteIsThreadUnsafe

func (s *Service) WriteIsThreadUnsafe()

type Writer

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

func NewRawWriter

func NewRawWriter(upstream io.Writer, cipher cipher.AEAD, maxPacketSize int, buffer []byte, nonce []byte) *Writer

func NewWriter

func NewWriter(upstream io.Writer, cipher cipher.AEAD, maxPacketSize int) *Writer

func (*Writer) Buffer

func (w *Writer) Buffer() *buf.Buffer

func (*Writer) BufferedWriter

func (w *Writer) BufferedWriter(reversed int) *BufferedWriter

func (*Writer) ReadFrom

func (w *Writer) ReadFrom(r io.Reader) (n int64, err error)

func (*Writer) Upstream

func (w *Writer) Upstream() any

func (*Writer) Write

func (w *Writer) Write(p []byte) (n int, err error)

func (*Writer) WriteChunk

func (w *Writer) WriteChunk(buffer *buf.Buffer, chunk []byte)