windivert

package module

v0.0.0-...-328c566 Latest Latest Go to latest Published: Sep 17, 2020 License: BSD-2-Clause Imports: 6 Imported by: 0

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Repository

github.com/fengjixuchui/go-windivert2

Links

Open Source Insights

README ¶

go-WinDivert2

Go bindings for WinDivert 2.x

Thanks

Initialization codes are mostly copied from clmul/go-windivert.

Documentation ¶

Rendered for windows/amd64

Index ¶

Constants
Variables
func CalcChecksums(packet []byte) []byte
func FormatIPAddress(addr [4]uint32) net.IP
func FormatIPv4Address(addr [4]uint32) net.IP
func FormatIPv6Address(addr [4]uint32) net.IP
type Address
type DataFlow
type DataNetwork
type DataReflect
type DataSocket
type Handle
- func Open(filter string, layer, priority, flags int) (Handle, error)

Constants ¶

View Source

const (
	InvalidHandleValue = -1

	// https://github.com/basil00/Divert/blob/master/include/windivert.h
	PacketFlagSniffed     = 1      /* Packet was sniffed? */
	PacketFlagOutbound    = 1 << 1 /* Packet is outound? */
	PacketFlagLoopback    = 1 << 2 /* Packet is loop? */
	PacketFlagImpostor    = 1 << 3 /* Packet is Impostor? */
	PacketFlagIPv6        = 1 << 4 /* Packet is IPv6? */
	PacketFlagIPChecksum  = 1 << 5 /* Packet has valid IPv4 checksum? */
	PacketFlagTCPChecksum = 1 << 6 /* Packet has valid TCP checksum? */
	PacketFlagUDPChecksum = 1 << 7 /* Packet has valid UDP checksum? */

	// WinDivert events.
	EventNetworkPacket          = 0 /* Network packet. */
	EventNetworkFlowEstablished = 1 /* Flow established. */
	EventNetworkFlowDelete      = 2 /* Flow deleted. */
	EventSocketBind             = 3 /* Socket bind. */
	EventSocketConnect          = 4 /* Socket connect. */
	EventSocketListen           = 5 /* Socket listen. */
	EventSocketAccept           = 6 /* Socket accept. */
	EventSocketClose            = 7 /* Socket close. */
	EventReflectOpen            = 8 /* WinDivert handle opened. */
	EventReflectClose           = 9 /* WinDivert handle closed. */

	LayerNetwork        = 0
	LayerNetworkForward = 1
	LayerFlow           = 2
	LayerSocket         = 3
	LayerReflect        = 4

	FlagSniff     = 1
	FlagDrop      = 2
	FlagRecvOnly  = 4
	FlagReadOnly  = 4
	FlagSendOnly  = 8
	FlagWriteOnly = 8
	FlagNoInstall = 16
	FlagFragment  = 32

	DirectionOutbound = 0
	DirectionInbound  = 1

	ParamQueueLen  = 0
	ParamQueueTime = 1
	ParamQueueSize = 2

	ParamMajorVersion = 3
	ParamMinorVersion = 4
)

Variables ¶

View Source

var (
	DLLVersion string
)

Functions ¶

func CalcChecksums ¶

func CalcChecksums(packet []byte) []byte

func FormatIPAddress ¶

func FormatIPAddress(addr [4]uint32) net.IP

func FormatIPv4Address ¶

func FormatIPv4Address(addr [4]uint32) net.IP

func FormatIPv6Address ¶

func FormatIPv6Address(addr [4]uint32) net.IP

Types ¶

type Address ¶

type Address struct {
	Timestamp int64  /* Packet's timestamp. */
	Layer     uint8  /* Packet's layer. */
	Event     uint8  /* Packet event. */
	Flags     uint8  /* Packet Flags: Sniffed, Outbound, Loopback, Impostor, IPv6, IPChecksum, TCPChecksum, UDPChecksum */
	Reserved1 uint8  /* Reserved1 */
	Reserved2 uint32 /* Reserved2 */
	Data      [64]byte
}

func (Address) IsIPChecksum ¶

func (addr Address) IsIPChecksum() (bool, error)

func (Address) IsIPv6 ¶

func (addr Address) IsIPv6() (bool, error)

func (Address) IsImpostor ¶

func (addr Address) IsImpostor() (bool, error)

func (Address) IsLoopback ¶

func (addr Address) IsLoopback() (bool, error)

func (Address) IsOutbound ¶

func (addr Address) IsOutbound() (bool, error)

func (Address) IsSniffed ¶

func (addr Address) IsSniffed() (bool, error)

func (Address) IsTCPChecksum ¶

func (addr Address) IsTCPChecksum() (bool, error)

func (Address) IsUDPChecksum ¶

func (addr Address) IsUDPChecksum() (bool, error)

type DataFlow ¶

type DataFlow struct {
	EndpointId       uint64    /* Endpoint ID. */
	ParentEndpointId uint64    /* Parent Endpoint ID. */
	ProcessId        uint32    /* Process ID. */
	LocalAddr        [4]uint32 /* Local address. */
	RemoteAddr       [4]uint32 /* Remote address. */
	LocalPort        uint16    /* Local port. */
	RemotePort       uint16    /* Remote port. */
	Protocol         uint8     /* Protocol. */
}

type DataNetwork ¶

type DataNetwork struct {
	IfIdx    uint32 /* Packet's interface index. */
	SubIfIdx uint32 /* Packet's sub-interface index. */
}

https://github.com/basil00/Divert/blob/master/include/windivert.h

type DataReflect ¶

type DataReflect struct {
	Timestamp int64  /* Handle open time. */
	ProcessId uint32 /* Handle process ID. */
	Layer     int    /* Handle layer. */
	Flags     uint64 /* Handle flags. */
	Priority  int16  /* Handle priority. */
}

type DataSocket ¶

type DataSocket struct {
	EndpointId       uint64    /* Endpoint ID. */
	ParentEndpointId uint64    /* Parent Endpoint ID. */
	ProcessId        uint32    /* Process ID. */
	LocalAddr        [4]uint32 /* Local address. */
	RemoteAddr       [4]uint32 /* Remote address. */
	LocalPort        uint16    /* Local port. */
	RemotePort       uint16    /* Remote port. */
	Protocol         uint8     /* Protocol. */
}

type Handle ¶

type Handle uintptr

func Open ¶

func Open(filter string, layer, priority, flags int) (Handle, error)

func (Handle) Close ¶

func (h Handle) Close() error

func (Handle) GetParam ¶

func (h Handle) GetParam(param uintptr) (uint64, error)

func (Handle) GetVersion ¶

func (h Handle) GetVersion() (version string, err error)

func (Handle) Recv ¶

func (h Handle) Recv(packet []byte) (n int, addr Address, err error)

func (Handle) Send ¶

func (h Handle) Send(packet []byte, addr Address) (n int, err error)

func (Handle) SetParam ¶

func (h Handle) SetParam(param uintptr, value uint64) error

Source Files ¶

View all Source files

windivert_windows.go

Directories ¶

Path	Synopsis
examples
flowtrack
tool

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