netstat

package
v1.0.0 Latest Latest
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 Go to latest Published: Oct 1, 2019 License: MIT Imports: 13 Imported by: 0

Documentation

Overview

This file was generated by DoU robots at 2019-09-30 13:49:35.285532536 -0500 CDT m=+1.331221596

Index

Constants

View Source 
const (
	Th32csSnapProcess  = uint32(0x00000002)
	InvalidHandleValue = ^uintptr(0)
	MaxPath            = 260
)
View Source 
const (
	Close       SkState = 0x01
	Listen              = 0x02
	SynSent             = 0x03
	SynRecv             = 0x04
	Established         = 0x05
	FinWait1            = 0x06
	FinWait2            = 0x07
	CloseWait           = 0x08
	Closing             = 0x09
	LastAck             = 0x0a
	TimeWait            = 0x0b
	DeleteTcb           = 0x0c
)

Socket states

Variables

View Source 
var Ports = map[uint16]string{}/* 5888 elements not displayed */

Functions

func GetExtendedUDPTable 

func GetExtendedUDPTable(order bool, af uint32, cl UDPTableClass) ([]byte, error)

GetExtendedUDPTable function retrieves a table that contains a list of UDP endpoints available to the application

func NoopFilter 

func NoopFilter(*SockTabEntry) bool

NoopFilter - a test function returning true for all elements

func Process32First 

func Process32First(handle syscall.Handle, pe *Processentry32) error

Process32First retrieves information about the first process encountered in a system snapshot

func Process32Next 

func Process32Next(handle syscall.Handle, pe *Processentry32) error

Process32Next retrieves information about the next process recorded in a system snapshot

func StringFromNullTerminated 

func StringFromNullTerminated(b []byte) string

StringFromNullTerminated returns a string from a nul-terminated byte slice

Types

type AcceptFn 

type AcceptFn func(*SockTabEntry) bool

AcceptFn is used to filter socket entries. The value returned indicates whether the element is to be appended to the socket list.

type MibTCP6Row2 

type MibTCP6Row2 struct {
	LocalAddr  WinSock6
	RemoteAddr WinSock6
	State      uint32
	WinPid
	OffloadState uint32
}

MibTCP6Row2 structure contains information that describes an IPv6 TCP connection.

func (*MibTCP6Row2) LocalSock 

func (m *MibTCP6Row2) LocalSock() *SockAddr

func (*MibTCP6Row2) RemoteSock 

func (m *MibTCP6Row2) RemoteSock() *SockAddr

func (*MibTCP6Row2) SockState 

func (m *MibTCP6Row2) SockState() SkState

type MibTCP6Table2 

type MibTCP6Table2 struct {
	NumEntries uint32
	Table      [1]MibTCP6Row2
}

MibTCP6Table2 structure contains a table of IPv6 TCP connections on the local computer.

func GetTCP6Table2 

func GetTCP6Table2(order bool) (*MibTCP6Table2, error)

GetTCP6Table2 function retrieves the IPv6 TCP connection table

func (*MibTCP6Table2) Rows 

func (t *MibTCP6Table2) Rows() []MibTCP6Row2

type MibTCPRow2 

type MibTCPRow2 struct {
	State      uint32
	LocalAddr  WinSock
	RemoteAddr WinSock
	WinPid
	OffloadState uint32
}

func (*MibTCPRow2) LocalSock 

func (m *MibTCPRow2) LocalSock() *SockAddr

func (*MibTCPRow2) RemoteSock 

func (m *MibTCPRow2) RemoteSock() *SockAddr

func (*MibTCPRow2) SockState 

func (m *MibTCPRow2) SockState() SkState

type MibTCPTable2 

type MibTCPTable2 struct {
	NumEntries uint32
	Table      [1]MibTCPRow2
}

func GetTCPTable2 

func GetTCPTable2(order bool) (*MibTCPTable2, error)

GetTCPTable2 function retrieves the IPv4 TCP connection table

func (*MibTCPTable2) Rows 

func (t *MibTCPTable2) Rows() []MibTCPRow2

type MibUDP6RowOwnerPID 

type MibUDP6RowOwnerPID struct {
	WinSock6
	WinPid
}

MibUDP6RowOwnerPID serves the same purpose as MibUDPRowOwnerPID, except that the information in this case is for IPv6.

func (*MibUDP6RowOwnerPID) LocalSock 

func (m *MibUDP6RowOwnerPID) LocalSock() *SockAddr

func (*MibUDP6RowOwnerPID) RemoteSock 

func (m *MibUDP6RowOwnerPID) RemoteSock() *SockAddr

func (*MibUDP6RowOwnerPID) SockState 

func (m *MibUDP6RowOwnerPID) SockState() SkState

type MibUDP6TableOwnerPID 

type MibUDP6TableOwnerPID struct {
	NumEntries uint32
	Table      [1]MibUDP6RowOwnerPID
}

MibUDP6TableOwnerPID serves the same purpose as MibUDPTableOwnerPID for IPv6

func GetUDP6TableOwnerPID 

func GetUDP6TableOwnerPID(order bool) (*MibUDP6TableOwnerPID, error)

func (*MibUDP6TableOwnerPID) Rows 

func (t *MibUDP6TableOwnerPID) Rows() []MibUDP6RowOwnerPID

type MibUDPRowOwnerPID 

type MibUDPRowOwnerPID struct {
	WinSock
	WinPid
}

MibUDPRowOwnerPID structure contains an entry from the User Datagram Protocol (UDP) listener table for IPv4 on the local computer. The entry also includes the process ID (PID) that issued the call to the bind function for the UDP endpoint

func (*MibUDPRowOwnerPID) LocalSock 

func (m *MibUDPRowOwnerPID) LocalSock() *SockAddr

func (*MibUDPRowOwnerPID) RemoteSock 

func (m *MibUDPRowOwnerPID) RemoteSock() *SockAddr

func (*MibUDPRowOwnerPID) SockState 

func (m *MibUDPRowOwnerPID) SockState() SkState

type MibUDPTableOwnerPID 

type MibUDPTableOwnerPID struct {
	NumEntries uint32
	Table      [1]MibUDPRowOwnerPID
}

MibUDPTableOwnerPID structure contains the User Datagram Protocol (UDP) listener table for IPv4 on the local computer. The table also includes the process ID (PID) that issued the call to the bind function for each UDP endpoint.

func GetUDPTableOwnerPID 

func GetUDPTableOwnerPID(order bool) (*MibUDPTableOwnerPID, error)

func (*MibUDPTableOwnerPID) Rows 

func (t *MibUDPTableOwnerPID) Rows() []MibUDPRowOwnerPID

type Process 

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

Process holds the PID and process name to which each socket belongs

func (*Process) String 

func (p *Process) String() string

type ProcessSnapshot 

type ProcessSnapshot syscall.Handle

ProcessSnapshot wraps the syscall.Handle, which represents a snapshot of the specified processes.

func CreateToolhelp32Snapshot 

func CreateToolhelp32Snapshot(flags uint32, pid uint32) (ProcessSnapshot, error)

CreateToolhelp32Snapshot takes a snapshot of the specified processes, as well as the heaps, modules, and threads used by these processes

func (ProcessSnapshot) Close 

func (snp ProcessSnapshot) Close() error

Close releases underlying win32 handle

func (ProcessSnapshot) ProcPIDToName 

func (snp ProcessSnapshot) ProcPIDToName(pid uint32) string

ProcPIDToName translates PID to a name

type Processentry32 

type Processentry32 struct {
	Size                uint32
	CntUsage            uint32
	Th32ProcessID       uint32
	Th32DefaultHeapID   uintptr
	Th32ModuleID        uint32
	CntThreads          uint32
	Th32ParentProcessID uint32
	PriClassBase        int32
	Flags               uint32
	ExeFile             [MaxPath]byte
}

Processentry32 describes an entry from a list of the processes residing in the system address space when a snapshot was taken

type SkState 

type SkState uint8

SkState type represents socket connection state

func (SkState) String 

func (s SkState) String() string

type SockAddr 

type SockAddr struct {
	IP   net.IP
	Port uint16
}

SockAddr represents an ip:port pair

func (*SockAddr) KnownPort 

func (s *SockAddr) KnownPort() string

func (*SockAddr) String 

func (s *SockAddr) String() string

type SockTabEntry 

type SockTabEntry struct {
	LocalAddr  *SockAddr
	RemoteAddr *SockAddr
	State      SkState
	UID        uint32
	Process    *Process
	// contains filtered or unexported fields
}

SockTabEntry type represents each line of the /proc/net/[tcp|udp]

func TCP6Socks 

func TCP6Socks(accept AcceptFn) ([]SockTabEntry, error)

TCP6Socks returns a slice of active TCP IPv4 sockets containing only those elements that satisfy the accept function

func TCPSocks 

func TCPSocks(accept AcceptFn) ([]SockTabEntry, error)

TCPSocks returns a slice of active TCP sockets containing only those elements that satisfy the accept function

func UDP6Socks 

func UDP6Socks(accept AcceptFn) ([]SockTabEntry, error)

UDP6Socks returns a slice of active UDP IPv6 sockets containing only those elements that satisfy the accept function

func UDPSocks 

func UDPSocks(accept AcceptFn) ([]SockTabEntry, error)

UDPSocks returns a slice of active UDP sockets containing only those elements that satisfy the accept function

type UDPTableClass 

type UDPTableClass uint

The UDPTableClass enumeration defines the set of values used to indicate the type of table returned by calls to GetExtendedUDPTable 

const (
	UDPTableBasic UDPTableClass = iota
	UDPTableOwnerPID
	UDPTableOwnerModule
)

Possible table class values

type WinPid 

type WinPid uint32

func (WinPid) Process 

func (pid WinPid) Process(snp ProcessSnapshot) *Process

type WinSock 

type WinSock struct {
	Addr uint32
	Port uint32
}

func (*WinSock) Sock 

func (w *WinSock) Sock() *SockAddr

type WinSock6 

type WinSock6 struct {
	Addr    [net.IPv6len]byte
	ScopeID uint32
	Port    uint32
}

func (*WinSock6) Sock 

func (w *WinSock6) Sock() *SockAddr

Source Files

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