msocks

package
v2.4.3+incompatible Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Oct 28, 2016 License: BSD-3-Clause, GPL-2.0 Imports: 15 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DIAL_RETRY    = 2
	DIAL_TIMEOUT  = 30
	AUTH_TIMEOUT  = 10
	DNS_TIMEOUT   = 30
	WRITE_TIMEOUT = 60

	WINDOWSIZE = 4 * 1024 * 1024

	SHRINK_TIME = 3
	DEBUGDNS    = false
)
View Source 
const (
	ERR_NONE = iota
	ERR_AUTH
	ERR_IDEXIST
	ERR_CONNFAILED
	ERR_TIMEOUT
	ERR_CLOSED
)
View Source 
const (
	ST_UNKNOWN = iota
	ST_SYN_RECV
	ST_SYN_SENT
	ST_EST
	ST_CLOSE_WAIT
	ST_FIN_WAIT
)
View Source 
const (
	MSG_UNKNOWN = iota
	MSG_RESULT
	MSG_AUTH
	MSG_DATA
	MSG_SYN
	MSG_WND
	MSG_FIN
	MSG_RST
	MSG_PING
	MSG_DNS
	MSG_SPAM
)

Variables

View Source 
var (
	ErrNoSession       = errors.New("session in pool but can't pick one.")
	ErrSessionNotFound = errors.New("session not found.")
	ErrAuthFailed      = errors.New("auth failed.")
	ErrAuthTimeout     = errors.New("auth timeout %s.")
	ErrStreamNotExist  = errors.New("stream not exist.")
	ErrQueueClosed     = errors.New("queue closed.")
	ErrUnexpectedPkg   = errors.New("unexpected package.")
	ErrNotSyn          = errors.New("frame result in conn which status is not syn.")
	ErrFinState        = errors.New("status not est or fin wait when get fin.")
	ErrIdExist         = errors.New("frame sync stream id exist.")
	ErrState           = errors.New("status error.")
	ErrUnknownState    = errors.New("unknown status.")
	ErrChanClosed      = errors.New("chan closed.")
	ErrDnsTimeOut      = errors.New("dns timeout.")
	ErrDnsMsgIllegal   = errors.New("dns message illegal.")
	ErrNoDnsServer     = errors.New("no proper dns server.")
)

Functions

func DebugDNS 

func DebugDNS(r *dns.Msg, name string)

func ParseDnsFrame 

func ParseDnsFrame(f Frame, req *dns.Msg) (addrs []net.IP, err error)

func ReadString 

func ReadString(r io.Reader) (s string, err error)

func RecvWithTimeout 

func RecvWithTimeout(ch chan uint32, t time.Duration) (errno uint32)

func WriteString 

func WriteString(w io.Writer, s string) (err error)

Types

type Addr 

type Addr struct {
	net.Addr
	// contains filtered or unexported fields
}

func (*Addr) String 

func (a *Addr) String() (s string)

type ChanFrameSender 

type ChanFrameSender chan Frame

func CreateChanFrameSender 

func CreateChanFrameSender(n int) ChanFrameSender

func (*ChanFrameSender) CloseFrame 

func (cfs *ChanFrameSender) CloseFrame() (err error)

func (*ChanFrameSender) RecvWithTimeout 

func (cfs *ChanFrameSender) RecvWithTimeout(t time.Duration) (f Frame, err error)

func (*ChanFrameSender) SendFrame 

func (cfs *ChanFrameSender) SendFrame(f Frame) (err error)

type Conn 

type Conn struct {
	Network string
	Address string
	// contains filtered or unexported fields
}

func NewConn 

func NewConn(streamid uint16, sess *Session, network, address string) (c *Conn)

func (*Conn) CheckAndSetStatus 

func (c *Conn) CheckAndSetStatus(old uint8, new uint8) (err error)

func (*Conn) Close 

func (c *Conn) Close() (err error)

func (*Conn) CloseFrame 

func (c *Conn) CloseFrame() error

func (*Conn) Final 

func (c *Conn) Final()

func (*Conn) GetAddress 

func (c *Conn) GetAddress() (s string)

func (*Conn) GetReadBufSize 

func (c *Conn) GetReadBufSize() (n int32)

func (*Conn) GetStatusString 

func (c *Conn) GetStatusString() (st string)

func (*Conn) GetStreamId 

func (c *Conn) GetStreamId() uint16

func (*Conn) GetWriteBufSize 

func (c *Conn) GetWriteBufSize() (n int32)

func (*Conn) InConnect 

func (c *Conn) InConnect(errno uint32) (err error)

func (*Conn) InData 

func (c *Conn) InData(ft *FrameData) (err error)

func (*Conn) InFin 

func (c *Conn) InFin(ft *FrameFin) (err error)

func (*Conn) InWnd 

func (c *Conn) InWnd(ft *FrameWnd) (err error)

func (*Conn) LocalAddr 

func (c *Conn) LocalAddr() net.Addr

func (*Conn) Read 

func (c *Conn) Read(data []byte) (n int, err error)

func (*Conn) RemoteAddr 

func (c *Conn) RemoteAddr() net.Addr

func (*Conn) SendFrame 

func (c *Conn) SendFrame(f Frame) (err error)

func (*Conn) SendSynAndWait 

func (c *Conn) SendSynAndWait() (err error)

func (*Conn) SetDeadline 

func (c *Conn) SetDeadline(t time.Time) error

func (*Conn) SetReadDeadline 

func (c *Conn) SetReadDeadline(t time.Time) error

func (*Conn) SetWriteDeadline 

func (c *Conn) SetWriteDeadline(t time.Time) error

func (*Conn) String 

func (c *Conn) String() (s string)

func (*Conn) Write 

func (c *Conn) Write(data []byte) (n int, err error)

type ConnSlice 

type ConnSlice []*Conn

func (ConnSlice) Len 

func (cs ConnSlice) Len() int

func (ConnSlice) Less 

func (cs ConnSlice) Less(i, j int) bool

func (ConnSlice) Swap 

func (cs ConnSlice) Swap(i, j int)

type Frame 

type Frame interface {
	GetStreamid() uint16
	GetSize() uint16
	Packed() (buf *bytes.Buffer, err error)
	Unpack(r io.Reader) error
	Debug() string
}

func MakeDnsFrame 

func MakeDnsFrame(host string, t uint16, streamid uint16) (req *dns.Msg, f Frame, err error)

func ReadFrame 

func ReadFrame(r io.Reader) (f Frame, err error)

type FrameAuth 

type FrameAuth struct {
	FrameBase
	Username string
	Password string
}

func NewFrameAuth 

func NewFrameAuth(streamid uint16, username, password string) (f *FrameAuth)

func (*FrameAuth) Packed 

func (f *FrameAuth) Packed() (buf *bytes.Buffer, err error)

func (*FrameAuth) Unpack 

func (f *FrameAuth) Unpack(r io.Reader) (err error)

type FrameBase 

type FrameBase struct {
	Type     uint8
	Length   uint16
	Streamid uint16
}

func (*FrameBase) Debug 

func (f *FrameBase) Debug() string

func (*FrameBase) GetSize 

func (f *FrameBase) GetSize() uint16

func (*FrameBase) GetStreamid 

func (f *FrameBase) GetStreamid() uint16

func (*FrameBase) Packed 

func (f *FrameBase) Packed() (buf *bytes.Buffer, err error)

func (*FrameBase) Unpack 

func (f *FrameBase) Unpack(r io.Reader) (err error)

type FrameData 

type FrameData struct {
	FrameBase
	Data []byte
}

func NewFrameData 

func NewFrameData(streamid uint16, data []byte) (f *FrameData)

func NewFrameSpam 

func NewFrameSpam(streamid uint16, data []byte) (f *FrameData)

func (*FrameData) Packed 

func (f *FrameData) Packed() (buf *bytes.Buffer, err error)

func (*FrameData) Unpack 

func (f *FrameData) Unpack(r io.Reader) (err error)

type FrameDns 

type FrameDns struct {
	FrameBase
	Data []byte
}

func NewFrameDns 

func NewFrameDns(streamid uint16, data []byte) (f *FrameDns)

func (*FrameDns) Packed 

func (f *FrameDns) Packed() (buf *bytes.Buffer, err error)

func (*FrameDns) Unpack 

func (f *FrameDns) Unpack(r io.Reader) (err error)

type FrameFin 

type FrameFin struct {
	FrameBase
}

func NewFrameFin 

func NewFrameFin(streamid uint16) (f *FrameFin)

func (*FrameFin) Unpack 

func (f *FrameFin) Unpack(r io.Reader) (err error)

type FramePing 

type FramePing struct {
	FrameBase
}

func NewFramePing 

func NewFramePing() (f *FramePing)

func (*FramePing) Unpack 

func (f *FramePing) Unpack(r io.Reader) (err error)

type FrameResult 

type FrameResult struct {
	FrameBase
	Errno uint32
}

func NewFrameResult 

func NewFrameResult(streamid uint16, errno uint32) (f *FrameResult)

func (*FrameResult) Packed 

func (f *FrameResult) Packed() (buf *bytes.Buffer, err error)

func (*FrameResult) Unpack 

func (f *FrameResult) Unpack(r io.Reader) (err error)

type FrameRst 

type FrameRst struct {
	FrameBase
}

func NewFrameRst 

func NewFrameRst(streamid uint16) (f *FrameRst)

func (*FrameRst) Unpack 

func (f *FrameRst) Unpack(r io.Reader) (err error)

type FrameSender 

type FrameSender interface {
	SendFrame(Frame) error
	CloseFrame() error
}

type FrameSpam 

type FrameSpam struct {
	FrameBase
	Data []byte
}

func (*FrameSpam) Packed 

func (f *FrameSpam) Packed() (buf *bytes.Buffer, err error)

func (*FrameSpam) Unpack 

func (f *FrameSpam) Unpack(r io.Reader) (err error)

type FrameSyn 

type FrameSyn struct {
	FrameBase
	Network string
	Address string
}

func NewFrameSyn 

func NewFrameSyn(streamid uint16, net, addr string) (f *FrameSyn)

func (*FrameSyn) Debug 

func (f *FrameSyn) Debug() string

func (*FrameSyn) Packed 

func (f *FrameSyn) Packed() (buf *bytes.Buffer, err error)

func (*FrameSyn) Unpack 

func (f *FrameSyn) Unpack(r io.Reader) (err error)

type FrameWnd 

type FrameWnd struct {
	FrameBase
	Window uint32
}

func NewFrameWnd 

func NewFrameWnd(streamid uint16, window uint32) (f *FrameWnd)

func (*FrameWnd) Debug 

func (f *FrameWnd) Debug() string

func (*FrameWnd) Packed 

func (f *FrameWnd) Packed() (buf *bytes.Buffer, err error)

func (*FrameWnd) Unpack 

func (f *FrameWnd) Unpack(r io.Reader) (err error)

type MsocksServer 

type MsocksServer struct {
	*SessionPool
	// contains filtered or unexported fields
}

func NewServer 

func NewServer(auth map[string]string, dialer sutils.Dialer) (ms *MsocksServer, err error)

func (*MsocksServer) Handler 

func (ms *MsocksServer) Handler(conn net.Conn)

func (*MsocksServer) OnAuth 

func (ms *MsocksServer) OnAuth(stream io.ReadWriteCloser) (err error)

func (*MsocksServer) Serve 

func (ms *MsocksServer) Serve(listener net.Listener) (err error)

type Queue 

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

func NewQueue 

func NewQueue() (q *Queue)

func (*Queue) Close 

func (q *Queue) Close() (err error)

func (*Queue) Pop 

func (q *Queue) Pop(block bool) (v interface{}, err error)

func (*Queue) Push 

func (q *Queue) Push(v interface{}) (err error)

type Session 

type Session struct {
	Readcnt  *SpeedCounter
	Writecnt *SpeedCounter
	// contains filtered or unexported fields
}

func NewSession 

func NewSession(conn net.Conn) (s *Session)

func (*Session) Close 

func (s *Session) Close() (err error)

func (*Session) CloseFrame 

func (s *Session) CloseFrame() error

func (*Session) Dial 

func (s *Session) Dial(network, address string) (c *Conn, err error)

func (*Session) GetPorts 

func (s *Session) GetPorts() (ports []*Conn)

func (*Session) GetSize 

func (s *Session) GetSize() int

func (*Session) GetSortedPorts 

func (s *Session) GetSortedPorts() (ports ConnSlice)

func (*Session) LocalAddr 

func (s *Session) LocalAddr() net.Addr

func (*Session) LocalPort 

func (s *Session) LocalPort() int

func (*Session) LookupIP 

func (s *Session) LookupIP(host string) (addrs []net.IP, err error)

func (*Session) PutIntoId 

func (s *Session) PutIntoId(id uint16, fs FrameSender) (err error)

func (*Session) PutIntoNextId 

func (s *Session) PutIntoNextId(fs FrameSender) (id uint16, err error)

func (*Session) RemoteAddr 

func (s *Session) RemoteAddr() net.Addr

func (*Session) RemovePort 

func (s *Session) RemovePort(streamid uint16) (err error)

func (*Session) Run 

func (s *Session) Run()

func (*Session) SendFrame 

func (s *Session) SendFrame(f Frame) (err error)

func (*Session) String 

func (s *Session) String() string

type SessionFactory 

type SessionFactory struct {
	sutils.Dialer
	// contains filtered or unexported fields
}

func (*SessionFactory) CreateSession 

func (sf *SessionFactory) CreateSession() (s *Session, err error)

type SessionPool 

type SessionPool struct {
	MinSess int
	MaxConn int
	// contains filtered or unexported fields
}

func CreateSessionPool 

func CreateSessionPool(MinSess, MaxConn int) (sp *SessionPool)

func (*SessionPool) Add 

func (sp *SessionPool) Add(s *Session)

func (*SessionPool) AddSessionFactory 

func (sp *SessionPool) AddSessionFactory(dialer sutils.Dialer, serveraddr, username, password string)

func (*SessionPool) CutAll 

func (sp *SessionPool) CutAll()

func (*SessionPool) Dial 

func (sp *SessionPool) Dial(network, address string) (net.Conn, error)

func (*SessionPool) Get 

func (sp *SessionPool) Get() (sess *Session, err error)

func (*SessionPool) GetSessions 

func (sp *SessionPool) GetSessions() (sessions []*Session)

func (*SessionPool) GetSize 

func (sp *SessionPool) GetSize() int

func (*SessionPool) LookupIP 

func (sp *SessionPool) LookupIP(host string) (addrs []net.IP, err error)

func (*SessionPool) Remove 

func (sp *SessionPool) Remove(s *Session) (err error)

type SpeedCounter 

type SpeedCounter struct {
	Spd uint32
	All uint64
	// contains filtered or unexported fields
}

func NewSpeedCounter 

func NewSpeedCounter() (sc *SpeedCounter)

func (*SpeedCounter) Add 

func (sc *SpeedCounter) Add(s uint32) uint32

func (*SpeedCounter) Close 

func (sc *SpeedCounter) Close() error

func (*SpeedCounter) Update 

func (sc *SpeedCounter) Update()

Source Files

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