socks

package
Version: v0.1.5 Latest Latest
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Published: Apr 21, 2021 License: Apache-2.0 Imports: 3 Imported by: 82

Documentation

Overview

Package socks implements essential parts of SOCKS protocol.

Index

Constants

View Source
const (
	CmdConnect      = 1
	CmdBind         = 2
	CmdUDPAssociate = 3
)

SOCKS request commands as defined in RFC 1928 section 4.

View Source
const (
	AtypIPv4       = 1
	AtypDomainName = 3
	AtypIPv6       = 4
)

SOCKS address types as defined in RFC 1928 section 5.

View Source
const (
	ErrGeneralFailure       = Error(1)
	ErrConnectionNotAllowed = Error(2)
	ErrNetworkUnreachable   = Error(3)
	ErrHostUnreachable      = Error(4)
	ErrConnectionRefused    = Error(5)
	ErrTTLExpired           = Error(6)
	ErrCommandNotSupported  = Error(7)
	ErrAddressNotSupported  = Error(8)
	InfoUDPAssociate        = Error(9)
)

SOCKS errors as defined in RFC 1928 section 6.

View Source
const MaxAddrLen = 1 + 1 + 255 + 2

MaxAddrLen is the maximum size of SOCKS address in bytes.

Variables

View Source
var UDPEnabled = false

UDPEnabled is the toggle for UDP support

Functions

This section is empty.

Types

type Addr

type Addr []byte

Addr represents a SOCKS address as defined in RFC 1928 section 5.

func Handshake

func Handshake(rw io.ReadWriter) (Addr, error)

Handshake fast-tracks SOCKS initialization to get target address to connect.

func ParseAddr

func ParseAddr(s string) Addr

ParseAddr parses the address in string s. Returns nil if failed.

func ReadAddr

func ReadAddr(r io.Reader) (Addr, error)

ReadAddr reads just enough bytes from r to get a valid Addr.

func SplitAddr

func SplitAddr(b []byte) Addr

SplitAddr slices a SOCKS address from beginning of b. Returns nil if failed.

func (Addr) String

func (a Addr) String() string

String serializes SOCKS address a to string form.

type Error

type Error byte

Error represents a SOCKS error

func (Error) Error

func (err Error) Error() string

Source Files

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