windivert

package module
v0.0.0-...-4239d0a Latest Latest
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 Go to latest Published: Oct 10, 2020 License: MIT Imports: 7 Imported by: 0

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WinDivert-Go

Go bindings for WinDivert 2.x

Documentation

Index

Constants

View Source 
const (
	FlagDefault   = 0x0000
	FlagSniff     = 0x0001
	FlagDrop      = 0x0002
	FlagRecvOnly  = 0x0004
	FlagReadOnly  = FlagRecvOnly
	FlagSendOnly  = 0x0008
	FlagWriteOnly = FlagSendOnly
	FlagNoInstall = 0x0010
	FlagFragments = 0x0020
)

WinDivert flags.

View Source 
const (
	PriorityDefault    = 0
	PriorityHighest    = 3000
	PriorityLowest     = -PriorityHighest
	QueueLengthDefault = 4096
	QueueLengthMin     = 32
	QueueLengthMax     = 16384
	QueueTimeDefault   = 2000     /* 2s */
	QueueTimeMin       = 100      /* 100ms */
	QueueTimeMax       = 16000    /* 16s */
	QueueSizeDefault   = 4194304  /* 4MB */
	QueueSizeMin       = 65535    /* 64KB */
	QueueSizeMax       = 33554432 /* 32MB */
	BatchMax           = 0xff     /* 255 */
	MTUMax             = 40 + 0xffff
)

WinDivert constants.

View Source 
const (
	ChecksumDefault  = 0
	NoIPChecksum     = 1
	NoICMPChecksum   = 2
	NoICMPV6Checksum = 4
	NoTCPChecksum    = 8
	NoUDPChecksum    = 16
)
View Source 
const (
	ErrInsufficientBuffer = Error(windows.ERROR_INSUFFICIENT_BUFFER)
	ErrNoData             = Error(windows.ERROR_NO_DATA)
	ErrIOPending          = Error(windows.ERROR_IO_PENDING)
	ErrHostUnreachable    = Error(windows.ERROR_HOST_UNREACHABLE)
)

Variables

This section is empty.

Functions

This section is empty.

Types

type Address 

type Address struct {
	Timestamp int64 /* Packet's timestamp. */

	Flags uint8
	// contains filtered or unexported fields
}

func (*Address) Event 

func (a *Address) Event() Event

func (*Address) Flow 

func (a *Address) Flow() *Flow

func (*Address) IPChecksum 

func (a *Address) IPChecksum() bool

func (*Address) IPv6 

func (a *Address) IPv6() bool

func (*Address) Impostor 

func (a *Address) Impostor() bool

func (*Address) Layer 

func (a *Address) Layer() Layer

func (*Address) Length 

func (a *Address) Length() uint32

func (*Address) Loopback 

func (a *Address) Loopback() bool

func (*Address) Network 

func (a *Address) Network() *Network

func (*Address) Outbound 

func (a *Address) Outbound() bool

func (*Address) Reflect 

func (a *Address) Reflect() *Reflect

func (*Address) SetEvent 

func (a *Address) SetEvent(event Event)

func (*Address) SetIPChecksum 

func (a *Address) SetIPChecksum()

func (*Address) SetIPv6 

func (a *Address) SetIPv6()

func (*Address) SetImpostor 

func (a *Address) SetImpostor()

func (*Address) SetLayer 

func (a *Address) SetLayer(layer Layer)

func (*Address) SetLength 

func (a *Address) SetLength(n uint32)

func (*Address) SetLoopback 

func (a *Address) SetLoopback()

func (*Address) SetOutbound 

func (a *Address) SetOutbound()

func (*Address) SetSniffed 

func (a *Address) SetSniffed()

func (*Address) SetTCPChecksum 

func (a *Address) SetTCPChecksum()

func (*Address) SetUDPChecksum 

func (a *Address) SetUDPChecksum()

func (*Address) Sniffed 

func (a *Address) Sniffed() bool

func (*Address) Socket 

func (a *Address) Socket() *Socket

func (*Address) TCPChecksum 

func (a *Address) TCPChecksum() bool

func (*Address) UDPChecksum 

func (a *Address) UDPChecksum() bool

func (*Address) UnsetIPChecksum 

func (a *Address) UnsetIPChecksum()

func (*Address) UnsetIPv6 

func (a *Address) UnsetIPv6()

func (*Address) UnsetImpostor 

func (a *Address) UnsetImpostor()

func (*Address) UnsetLoopback 

func (a *Address) UnsetLoopback()

func (*Address) UnsetOutbound 

func (a *Address) UnsetOutbound()

func (*Address) UnsetSniffed 

func (a *Address) UnsetSniffed()

func (*Address) UnsetTCPChecksum 

func (a *Address) UnsetTCPChecksum()

func (*Address) UnsetUDPChecksum 

func (a *Address) UnsetUDPChecksum()

type Error 

type Error syscall.Errno

func (Error) Error 

func (e Error) Error() string

type Event 

type Event int

WinDivert events. 

const (
	EventNetworkPacket   Event = iota /* Network packet. */
	EventFlowEstablished              /* Flow established. */
	EventFlowDeleted                  /* Flow deleted. */
	EventSocketBind                   /* Socket bind. */
	EventSocketConnect                /* Socket connect. */
	EventSocketListen                 /* Socket listen. */
	EventSocketAccept                 /* Socket accept. */
	EventSocketClose                  /* Socket close. */
	EventReflectOpen                  /* WinDivert handle opened. */
	EventReflectClose                 /* WinDivert handle closed. */
)

func (Event) String 

func (e Event) String() string

type Flow 

type Flow struct {
	EndpointID       uint64    /* Endpoint ID. */
	ParentEndpointID uint64    /* Parent endpoint ID. */
	ProcessID        uint32    /* Process ID. */
	LocalAddress     [16]uint8 /* Local address. */
	RemoteAddress    [16]uint8 /* Remote address. */
	LocalPort        uint16    /* Local port. */
	RemotePort       uint16    /* Remote port. */
	Protocol         uint8     /* Protocol. */
	// contains filtered or unexported fields
}

type Handle 

type Handle uintptr

func Open 

func Open(filter string, layer Layer, priority int16, flags uint64) (Handle, error)

Open returns windivert Handle if succeed.

func (Handle) Close 

func (h Handle) Close() error

func (Handle) GetParam 

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

func (Handle) Recv 

func (h Handle) Recv(packet []byte, address *Address) (int, error)

func (Handle) RecvEx 

func (h Handle) RecvEx(_ []byte, _ *Address, _ uint64) (int, error)

func (Handle) Send 

func (h Handle) Send(packet []byte, address *Address) (int, error)

func (Handle) SendEx 

func (h Handle) SendEx(_ []byte, _ *Address, _ uint64) (int, error)

func (Handle) SetParam 

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

func (Handle) Shutdown 

func (h Handle) Shutdown(how Shutdown) error

type Layer 

type Layer int

WinDivert layers. 

const (
	LayerNetwork        Layer = iota /* Network layer. */
	LayerNetworkForward              /* Network layer (forwarded packets) */
	LayerFlow                        /* Flow layer. */
	LayerSocket                      /* Socket layer. */
	LayerReflect                     /* Reflect layer. */
)

func (Layer) String 

func (l Layer) String() string

type Network 

type Network struct {
	InterfaceIndex    uint32 /* Packet's interface index. */
	SubInterfaceIndex uint32 /* Packet's sub-interface index. */
	// contains filtered or unexported fields
}

type Param 

type Param int

WinDivert parameters. 

const (
	QueueLength  Param = iota /* Packet queue length. */
	QueueTime                 /* Packet queue time. */
	QueueSize                 /* Packet queue size. */
	VersionMajor              /* Driver version (major). */
	VersionMinor              /* Driver version (minor). */
)

func (Param) String 

func (p Param) String() string

type Reflect 

type Reflect struct {
	TimeStamp int64  /* Handle open time. */
	ProcessID uint32 /* Handle process ID. */

	Flags    uint64 /* Handle flags. */
	Priority int16  /* Handle priority. */
	// contains filtered or unexported fields
}

func (*Reflect) Layer 

func (r *Reflect) Layer() Layer

type Shutdown 

type Shutdown int

WinDivert shutdown parameter. 

const (
	ShutdownRecv Shutdown = iota /* Shutdown recv. */
	ShutdownSend                 /* Shutdown send. */
	ShutdownBoth                 /* Shutdown recv and send. */
)

func (Shutdown) String 

func (h Shutdown) String() string

type Socket 

type Socket struct {
	EndpointID       uint64    /* Endpoint ID. */
	ParentEndpointID uint64    /* Parent endpoint ID. */
	ProcessID        uint32    /* Process ID. */
	LocalAddress     [16]uint8 /* Local address. */
	RemoteAddress    [16]uint8 /* Remote address. */
	LocalPort        uint16    /* Local port. */
	RemotePort       uint16    /* Remote port. */
	Protocol         uint8     /* Protocol. */
	// contains filtered or unexported fields
}

Source Files

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