shadowsocks

package

v0.0.0-...-6daa40f Latest Latest Go to latest Published: Apr 16, 2024 License: AGPL-3.0 Imports: 23 Imported by: 6

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Repository

github.com/daeuniverse/softwind

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func BytesSizeForMetadata(firstTwoByte []byte) (int, error)
func CalcPaddingLen(masterKey []byte, bodyWithoutAddr []byte, req bool) (length int)
func DecryptUDP(writeTo []byte, key *Key, shadowBytes []byte, reusedInfo []byte) (n int, err error)
func DecryptUDPFromPool(key *Key, shadowBytes []byte, reusedInfo []byte) (buf pool.PB, err error)
func EncryptUDPFromPool(key *Key, b []byte, salt []byte, reusedInfo []byte) (shadowBytes pool.PB, err error)
func EncryptedPayloadLen(plainTextLen int, tagLen int) int
func MetadataTypeToByte(typ protocol.MetadataType) byte
func NewDialer(nextDialer netproxy.Dialer, header protocol.Header) (netproxy.Dialer, error)
func ParseMetadataType(t byte) protocol.MetadataType
type Dialer
- func (d *Dialer) Dial(network, addr string) (netproxy.Conn, error)
type DummySaltGenerator
- func NewDummySaltGenerator() *DummySaltGenerator
- func (g *DummySaltGenerator) Close() error
- func (g *DummySaltGenerator) Get() []byte
type IodizedSaltGenerator
- func NewIodizedSaltGenerator(salt []byte, saltSize, bucketSize int, fromPool bool) (*IodizedSaltGenerator, error)
- func (g *IodizedSaltGenerator) Close() error
- func (g *IodizedSaltGenerator) Get() []byte
type Key
type Metadata
- func NewMetadata(bytesMetadata []byte) (*Metadata, error)
- func (meta *Metadata) Bytes() (b []byte, err error)
- func (meta *Metadata) BytesFromPool() (b []byte, err error)
type RandomSaltGenerator
- func NewRandomSaltGenerator(saltSize int, fromPool bool) (*RandomSaltGenerator, error)
- func (g *RandomSaltGenerator) Close() error
- func (g *RandomSaltGenerator) Get() []byte
type SaltGenerator
- func GetSaltGenerator(masterKey []byte, saltLen int) (sg SaltGenerator, err error)
type SaltGeneratorType
type TCPConn
- func NewTCPConn(conn netproxy.Conn, metadata protocol.Metadata, masterKey []byte, ...) (crw *TCPConn, err error)
- func (c *TCPConn) Close() error
- func (c *TCPConn) Read(b []byte) (n int, err error)
- func (c *TCPConn) ReadMetadata() (metadata Metadata, err error)
- func (c *TCPConn) Write(b []byte) (n int, err error)
type UdpConn
- func NewUdpConn(conn netproxy.PacketConn, proxyAddress string, metadata protocol.Metadata, ...) (*UdpConn, error)
- func (c *UdpConn) Close() error
- func (c *UdpConn) Read(b []byte) (n int, err error)
- func (c *UdpConn) ReadFrom(b []byte) (n int, addr netip.AddrPort, err error)
- func (c *UdpConn) Write(b []byte) (n int, err error)
- func (c *UdpConn) WriteTo(b []byte, addr string) (int, error)

Constants ¶

View Source

const DefaultBucketSize = 300

View Source

const (
	TCPChunkMaxLen = (1 << (16 - 2)) - 1
)

Variables ¶

View Source

var (
	DefaultSaltGeneratorType = RandomSaltGeneratorType
	DefaultIodizedSource     = "https://github.com/explore"
)

View Source

var (
	ErrFailInitCipher = fmt.Errorf("fail to initiate cipher")
)

View Source

var (
	ErrInvalidMetadata = fmt.Errorf("invalid metadata")
)

Functions ¶

func BytesSizeForMetadata ¶

func BytesSizeForMetadata(firstTwoByte []byte) (int, error)

func CalcPaddingLen ¶

func CalcPaddingLen(masterKey []byte, bodyWithoutAddr []byte, req bool) (length int)

func DecryptUDP ¶

func DecryptUDP(writeTo []byte, key *Key, shadowBytes []byte, reusedInfo []byte) (n int, err error)

DecryptUDP will decrypt the data in place

func DecryptUDPFromPool ¶

func DecryptUDPFromPool(key *Key, shadowBytes []byte, reusedInfo []byte) (buf pool.PB, err error)

DecryptUDP will decrypt the data in place

func EncryptUDPFromPool ¶

func EncryptUDPFromPool(key *Key, b []byte, salt []byte, reusedInfo []byte) (shadowBytes pool.PB, err error)

EncryptUDPFromPool returns shadowBytes from pool. the shadowBytes MUST be put back.

func EncryptedPayloadLen ¶

func EncryptedPayloadLen(plainTextLen int, tagLen int) int

func MetadataTypeToByte ¶

func MetadataTypeToByte(typ protocol.MetadataType) byte

func NewDialer ¶

func NewDialer(nextDialer netproxy.Dialer, header protocol.Header) (netproxy.Dialer, error)

func ParseMetadataType ¶

func ParseMetadataType(t byte) protocol.MetadataType

Types ¶

type Dialer ¶

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

func (*Dialer) Dial ¶

func (d *Dialer) Dial(network, addr string) (netproxy.Conn, error)

type DummySaltGenerator ¶

type DummySaltGenerator struct {
	Closed  chan struct{}
	Success bool
}

func NewDummySaltGenerator ¶

func NewDummySaltGenerator() *DummySaltGenerator

func (*DummySaltGenerator) Close ¶

func (g *DummySaltGenerator) Close() error

func (*DummySaltGenerator) Get ¶

func (g *DummySaltGenerator) Get() []byte

type IodizedSaltGenerator ¶

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

func NewIodizedSaltGenerator ¶

func NewIodizedSaltGenerator(salt []byte, saltSize, bucketSize int, fromPool bool) (*IodizedSaltGenerator, error)

func (*IodizedSaltGenerator) Close ¶

func (g *IodizedSaltGenerator) Close() error

func (*IodizedSaltGenerator) Get ¶

func (g *IodizedSaltGenerator) Get() []byte

type Key ¶

type Key struct {
	CipherConf *ciphers.CipherConf
	MasterKey  []byte
}

type Metadata ¶

type Metadata struct {
	protocol.Metadata
	LenMsgBody uint32
}

func NewMetadata ¶

func NewMetadata(bytesMetadata []byte) (*Metadata, error)

func (*Metadata) Bytes ¶

func (meta *Metadata) Bytes() (b []byte, err error)

func (*Metadata) BytesFromPool ¶

func (meta *Metadata) BytesFromPool() (b []byte, err error)

type RandomSaltGenerator ¶

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

func NewRandomSaltGenerator ¶

func NewRandomSaltGenerator(saltSize int, fromPool bool) (*RandomSaltGenerator, error)

func (*RandomSaltGenerator) Close ¶

func (g *RandomSaltGenerator) Close() error

func (*RandomSaltGenerator) Get ¶

func (g *RandomSaltGenerator) Get() []byte

type SaltGenerator ¶

type SaltGenerator interface {
	Get() []byte
	Close() error
}

func GetSaltGenerator ¶

func GetSaltGenerator(masterKey []byte, saltLen int) (sg SaltGenerator, err error)

type SaltGeneratorType ¶

type SaltGeneratorType int

const (
	IodizedSaltGeneratorType SaltGeneratorType = iota
	RandomSaltGeneratorType
)

type TCPConn ¶

type TCPConn struct {
	netproxy.Conn
	// contains filtered or unexported fields
}

func NewTCPConn ¶

func NewTCPConn(conn netproxy.Conn, metadata protocol.Metadata, masterKey []byte, bloom *disk_bloom.FilterGroup) (crw *TCPConn, err error)

func (*TCPConn) Close ¶

func (c *TCPConn) Close() error

func (*TCPConn) Read ¶

func (c *TCPConn) Read(b []byte) (n int, err error)

func (*TCPConn) ReadMetadata ¶

func (c *TCPConn) ReadMetadata() (metadata Metadata, err error)

func (*TCPConn) Write ¶

func (c *TCPConn) Write(b []byte) (n int, err error)

type UdpConn ¶

type UdpConn struct {
	netproxy.PacketConn
	// contains filtered or unexported fields
}

func NewUdpConn ¶

func NewUdpConn(conn netproxy.PacketConn, proxyAddress string, metadata protocol.Metadata, masterKey []byte, bloom *disk_bloom.FilterGroup) (*UdpConn, error)

func (*UdpConn) Close ¶

func (c *UdpConn) Close() error

func (*UdpConn) Read ¶

func (c *UdpConn) Read(b []byte) (n int, err error)

func (*UdpConn) ReadFrom ¶

func (c *UdpConn) ReadFrom(b []byte) (n int, addr netip.AddrPort, err error)

func (*UdpConn) Write ¶

func (c *UdpConn) Write(b []byte) (n int, err error)

func (*UdpConn) WriteTo ¶

func (c *UdpConn) WriteTo(b []byte, addr string) (int, error)

Source Files ¶

View all Source files

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