protocol

package
v1.23.1 Latest Latest
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Published: Aug 7, 2016 License: MIT Imports: 7 Imported by: 0

Documentation

Index

Constants

View Source
const (
	AuthNotRequired      = byte(0x00)
	AuthGssApi           = byte(0x01)
	AuthUserPass         = byte(0x02)
	AuthNoMatchingMethod = byte(0xFF)

	Socks4RequestGranted  = byte(90)
	Socks4RequestRejected = byte(91)
)
View Source
const (
	AddrTypeIPv4   = byte(0x01)
	AddrTypeIPv6   = byte(0x04)
	AddrTypeDomain = byte(0x03)

	CmdConnect      = byte(0x01)
	CmdBind         = byte(0x02)
	CmdUdpAssociate = byte(0x03)
)
View Source
const (
	ErrorSuccess                 = byte(0x00)
	ErrorGeneralFailure          = byte(0x01)
	ErrorConnectionNotAllowed    = byte(0x02)
	ErrorNetworkUnreachable      = byte(0x03)
	ErrorHostUnUnreachable       = byte(0x04)
	ErrorConnectionRefused       = byte(0x05)
	ErrorTTLExpired              = byte(0x06)
	ErrorCommandNotSupported     = byte(0x07)
	ErrorAddressTypeNotSupported = byte(0x08)
)

Variables

View Source
var (
	ErrorUnknownAddressType = errors.New("Unknown Address Type.")
)
View Source
var (
	Socks4Downgrade = errors.New("Downgraded to Socks 4.")
)

Functions

func ReadAuthentication

func ReadAuthentication(reader io.Reader) (auth Socks5AuthenticationRequest, auth4 Socks4AuthenticationRequest, err error)

func WriteAuthentication

func WriteAuthentication(writer io.Writer, r *Socks5AuthenticationResponse) error

func WriteUserPassResponse

func WriteUserPassResponse(writer io.Writer, response Socks5UserPassResponse) error

Types

type Socks4AuthenticationRequest

type Socks4AuthenticationRequest struct {
	Version byte
	Command byte
	Port    v2net.Port
	IP      [4]byte
}

type Socks4AuthenticationResponse

type Socks4AuthenticationResponse struct {
	// contains filtered or unexported fields
}

func NewSocks4AuthenticationResponse

func NewSocks4AuthenticationResponse(result byte, port v2net.Port, ip []byte) *Socks4AuthenticationResponse

func (*Socks4AuthenticationResponse) Write added in v0.9.1

func (r *Socks4AuthenticationResponse) Write(writer io.Writer)

type Socks5AuthenticationRequest

type Socks5AuthenticationRequest struct {
	// contains filtered or unexported fields
}

Authentication request header of Socks5 protocol

func (*Socks5AuthenticationRequest) HasAuthMethod

func (request *Socks5AuthenticationRequest) HasAuthMethod(method byte) bool

type Socks5AuthenticationResponse

type Socks5AuthenticationResponse struct {
	// contains filtered or unexported fields
}

func NewAuthenticationResponse

func NewAuthenticationResponse(authMethod byte) *Socks5AuthenticationResponse

type Socks5Request

type Socks5Request struct {
	Version  byte
	Command  byte
	AddrType byte
	IPv4     [4]byte
	Domain   string
	IPv6     [16]byte
	Port     v2net.Port
}

func ReadRequest

func ReadRequest(reader io.Reader) (request *Socks5Request, err error)

func (*Socks5Request) Destination

func (request *Socks5Request) Destination() v2net.Destination

type Socks5Response

type Socks5Response struct {
	Version  byte
	Error    byte
	AddrType byte
	IPv4     [4]byte
	Domain   string
	IPv6     [16]byte
	Port     v2net.Port
}

func NewSocks5Response

func NewSocks5Response() *Socks5Response

func (*Socks5Response) SetDomain

func (r *Socks5Response) SetDomain(domain string)

func (*Socks5Response) SetIPv4

func (r *Socks5Response) SetIPv4(ipv4 []byte)

func (*Socks5Response) SetIPv6

func (r *Socks5Response) SetIPv6(ipv6 []byte)

func (*Socks5Response) Write added in v0.9.1

func (r *Socks5Response) Write(writer io.Writer)

type Socks5UDPRequest

type Socks5UDPRequest struct {
	Fragment byte
	Address  v2net.Address
	Port     v2net.Port
	Data     *alloc.Buffer
}

func ReadUDPRequest

func ReadUDPRequest(packet []byte) (*Socks5UDPRequest, error)

func (*Socks5UDPRequest) Destination

func (request *Socks5UDPRequest) Destination() v2net.Destination

func (*Socks5UDPRequest) Write added in v0.9.1

func (request *Socks5UDPRequest) Write(buffer *alloc.Buffer)

type Socks5UserPassRequest

type Socks5UserPassRequest struct {
	// contains filtered or unexported fields
}

func ReadUserPassRequest

func ReadUserPassRequest(reader io.Reader) (request Socks5UserPassRequest, err error)

func (Socks5UserPassRequest) AuthDetail

func (request Socks5UserPassRequest) AuthDetail() string

func (Socks5UserPassRequest) Password added in v0.9.1

func (request Socks5UserPassRequest) Password() string

func (Socks5UserPassRequest) Username added in v0.9.1

func (request Socks5UserPassRequest) Username() string

type Socks5UserPassResponse

type Socks5UserPassResponse struct {
	// contains filtered or unexported fields
}

func NewSocks5UserPassResponse

func NewSocks5UserPassResponse(status byte) Socks5UserPassResponse

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