shadowsocks

package
v2.19.4+incompatible Latest Latest
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Published: Feb 23, 2017 License: MIT Imports: 29 Imported by: 0

Documentation

Overview

Package shadowsocks provides compatible functionality to Shadowsocks.

Shadowsocks client and server are implemented as outbound and inbound respectively in V2Ray's term.

Shadowsocks OTA is fully supported. By default both client and server enable OTA, but it can be optionally disabled.

Supperted Ciphers: * AES-256-CFB * AES-128-CFB * Chacha20 * Chacha20-IEFT

R.I.P Shadowsocks

Index

Constants

View Source
const (
	Version                  = 1
	RequestOptionOneTimeAuth = protocol.RequestOption(101)

	AddrTypeIPv4   = 1
	AddrTypeIPv6   = 4
	AddrTypeDomain = 3
)
View Source
const (
	// AuthSize is the number of extra bytes for Shadowsocks OTA.
	AuthSize = 10
)

Variables

View Source
var Account_OneTimeAuth_name = map[int32]string{
	0: "Auto",
	1: "Disabled",
	2: "Enabled",
}
View Source
var Account_OneTimeAuth_value = map[string]int32{
	"Auto":     0,
	"Disabled": 1,
	"Enabled":  2,
}
View Source
var CipherType_name = map[int32]string{
	0: "UNKNOWN",
	1: "AES_128_CFB",
	2: "AES_256_CFB",
	3: "CHACHA20",
	4: "CHACHA20_IETF",
}
View Source
var CipherType_value = map[string]int32{
	"UNKNOWN":       0,
	"AES_128_CFB":   1,
	"AES_256_CFB":   2,
	"CHACHA20":      3,
	"CHACHA20_IETF": 4,
}

Functions

func ChunkKeyGenerator

func ChunkKeyGenerator(iv []byte) func() []byte

func DecodeUDPPacket

func DecodeUDPPacket(user *protocol.User, payload *buf.Buffer) (*protocol.RequestHeader, *buf.Buffer, error)

func EncodeUDPPacket

func EncodeUDPPacket(request *protocol.RequestHeader, payload *buf.Buffer) (*buf.Buffer, error)

func HeaderKeyGenerator

func HeaderKeyGenerator(key []byte, iv []byte) func() []byte

func PasswordToCipherKey

func PasswordToCipherKey(password string, keySize int) []byte

func ReadTCPResponse

func ReadTCPResponse(user *protocol.User, reader io.Reader) (buf.Reader, error)

func ReadTCPSession

func ReadTCPSession(user *protocol.User, reader io.Reader) (*protocol.RequestHeader, buf.Reader, error)

func WriteTCPRequest

func WriteTCPRequest(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error)

func WriteTCPResponse

func WriteTCPResponse(request *protocol.RequestHeader, writer io.Writer) (buf.Writer, error)

Types

type Account

type Account struct {
	Password   string              `protobuf:"bytes,1,opt,name=password" json:"password,omitempty"`
	CipherType CipherType          `` /* 130-byte string literal not displayed */
	Ota        Account_OneTimeAuth `protobuf:"varint,3,opt,name=ota,enum=v2ray.core.proxy.shadowsocks.Account_OneTimeAuth" json:"ota,omitempty"`
}

func (*Account) AsAccount

func (v *Account) AsAccount() (protocol.Account, error)

func (*Account) Descriptor

func (*Account) Descriptor() ([]byte, []int)

func (*Account) GetCipher

func (v *Account) GetCipher() (Cipher, error)

func (*Account) GetCipherKey

func (v *Account) GetCipherKey() []byte

func (*Account) GetCipherType

func (m *Account) GetCipherType() CipherType

func (*Account) GetOta

func (m *Account) GetOta() Account_OneTimeAuth

func (*Account) GetPassword

func (m *Account) GetPassword() string

func (*Account) ProtoMessage

func (*Account) ProtoMessage()

func (*Account) Reset

func (m *Account) Reset()

func (*Account) String

func (m *Account) String() string

type Account_OneTimeAuth

type Account_OneTimeAuth int32
const (
	Account_Auto     Account_OneTimeAuth = 0
	Account_Disabled Account_OneTimeAuth = 1
	Account_Enabled  Account_OneTimeAuth = 2
)

func (Account_OneTimeAuth) EnumDescriptor

func (Account_OneTimeAuth) EnumDescriptor() ([]byte, []int)

func (Account_OneTimeAuth) String

func (x Account_OneTimeAuth) String() string

type AesCfb

type AesCfb struct {
	KeyBytes int
}

func (*AesCfb) IVSize

func (v *AesCfb) IVSize() int

func (*AesCfb) KeySize

func (v *AesCfb) KeySize() int

func (*AesCfb) NewDecodingStream

func (v *AesCfb) NewDecodingStream(key []byte, iv []byte) (cipher.Stream, error)

func (*AesCfb) NewEncodingStream

func (v *AesCfb) NewEncodingStream(key []byte, iv []byte) (cipher.Stream, error)

type Authenticator

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

func NewAuthenticator

func NewAuthenticator(keygen KeyGenerator) *Authenticator

func (*Authenticator) Authenticate

func (v *Authenticator) Authenticate(data []byte) buf.Supplier

type ChaCha20

type ChaCha20 struct {
	IVBytes int
}

func (*ChaCha20) IVSize

func (v *ChaCha20) IVSize() int

func (*ChaCha20) KeySize

func (v *ChaCha20) KeySize() int

func (*ChaCha20) NewDecodingStream

func (v *ChaCha20) NewDecodingStream(key []byte, iv []byte) (cipher.Stream, error)

func (*ChaCha20) NewEncodingStream

func (v *ChaCha20) NewEncodingStream(key []byte, iv []byte) (cipher.Stream, error)

type ChunkReader

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

func NewChunkReader

func NewChunkReader(reader io.Reader, auth *Authenticator) *ChunkReader

func (*ChunkReader) Read

func (v *ChunkReader) Read() (*buf.Buffer, error)

type ChunkWriter

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

func NewChunkWriter

func NewChunkWriter(writer io.Writer, auth *Authenticator) *ChunkWriter

func (*ChunkWriter) Write

func (v *ChunkWriter) Write(payload *buf.Buffer) error

type Cipher

type Cipher interface {
	KeySize() int
	IVSize() int
	NewEncodingStream(key []byte, iv []byte) (cipher.Stream, error)
	NewDecodingStream(key []byte, iv []byte) (cipher.Stream, error)
}

type CipherType

type CipherType int32
const (
	CipherType_UNKNOWN       CipherType = 0
	CipherType_AES_128_CFB   CipherType = 1
	CipherType_AES_256_CFB   CipherType = 2
	CipherType_CHACHA20      CipherType = 3
	CipherType_CHACHA20_IETF CipherType = 4
)

func (CipherType) EnumDescriptor

func (CipherType) EnumDescriptor() ([]byte, []int)

func (CipherType) String

func (x CipherType) String() string

type Client

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

Client is a inbound handler for Shadowsocks protocol

func NewClient

func NewClient(ctx context.Context, config *ClientConfig) (*Client, error)

NewClient create a new Shadowsocks client.

func (*Client) Process

func (v *Client) Process(ctx context.Context, outboundRay ray.OutboundRay, dialer proxy.Dialer) error

Process implements OutboundHandler.Process().

type ClientConfig

type ClientConfig struct {
	Server []*v2ray_core_common_protocol1.ServerEndpoint `protobuf:"bytes,1,rep,name=server" json:"server,omitempty"`
}

func (*ClientConfig) Descriptor

func (*ClientConfig) Descriptor() ([]byte, []int)

func (*ClientConfig) GetServer

func (*ClientConfig) ProtoMessage

func (*ClientConfig) ProtoMessage()

func (*ClientConfig) Reset

func (m *ClientConfig) Reset()

func (*ClientConfig) String

func (m *ClientConfig) String() string

type KeyGenerator

type KeyGenerator func() []byte

type Server added in v1.12.9

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

func NewServer added in v1.12.9

func NewServer(ctx context.Context, config *ServerConfig) (*Server, error)

func (*Server) Network

func (s *Server) Network() net.NetworkList

func (*Server) Process

func (s *Server) Process(ctx context.Context, network net.Network, conn internet.Connection, dispatcher dispatcher.Interface) error

type ServerConfig

type ServerConfig struct {
	UdpEnabled bool                             `protobuf:"varint,1,opt,name=udp_enabled,json=udpEnabled" json:"udp_enabled,omitempty"`
	User       *v2ray_core_common_protocol.User `protobuf:"bytes,2,opt,name=user" json:"user,omitempty"`
}

func (*ServerConfig) Descriptor

func (*ServerConfig) Descriptor() ([]byte, []int)

func (*ServerConfig) GetUdpEnabled

func (m *ServerConfig) GetUdpEnabled() bool

func (*ServerConfig) GetUser

func (*ServerConfig) ProtoMessage

func (*ServerConfig) ProtoMessage()

func (*ServerConfig) Reset

func (m *ServerConfig) Reset()

func (*ServerConfig) String

func (m *ServerConfig) String() string

type ShadowsocksAccount

type ShadowsocksAccount struct {
	Cipher      Cipher
	Key         []byte
	OneTimeAuth Account_OneTimeAuth
}

func (*ShadowsocksAccount) Equals

func (v *ShadowsocksAccount) Equals(another protocol.Account) bool

type UDPReader

type UDPReader struct {
	Reader io.Reader
	User   *protocol.User
}

func (*UDPReader) Read

func (v *UDPReader) Read() (*buf.Buffer, error)

type UDPWriter

type UDPWriter struct {
	Writer  io.Writer
	Request *protocol.RequestHeader
}

func (*UDPWriter) Write

func (v *UDPWriter) Write(buffer *buf.Buffer) error

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