ffi

package
v0.0.0-...-0092326 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Feb 3, 2023 License: MIT Imports: 10 Imported by: 0

Documentation

Index

Constants

View Source 
const WinDivertBatchMax = 0xFF /* 255 */
View Source 
const WinDivertMTUMax = 40 + 0xFFFF
View Source 
const WinDivertParamQueueLengthDefault = 4096
View Source 
const WinDivertParamQueueLengthMax = 16384
View Source 
const WinDivertParamQueueLengthMin = 32
View Source 
const WinDivertParamQueueSizeDefault = 4194304 /* 4MB */
View Source 
const WinDivertParamQueueSizeMax = 33554432 /* 32MB */
View Source 
const WinDivertParamQueueSizeMin = 65535 /* 64KB */
View Source 
const WinDivertParamQueueTimeDefault = 2000 /* 2s */
View Source 
const WinDivertParamQueueTimeMax = 16000 /* 16s */
View Source 
const WinDivertParamQueueTimeMin = 100 /* 100ms */
View Source 
const WinDivertPriorityDefault = Priority(0)
View Source 
const WinDivertPriorityHighest = Priority(30000)
View Source 
const WinDivertPriorityLowest = Priority(-WinDivertPriorityHighest)

Variables

This section is empty.

Functions

This section is empty.

Types

type ChecksumFlag 

type ChecksumFlag int64
const (
	All      ChecksumFlag = 0x00
	NoIP     ChecksumFlag = 0x01
	NoICMP   ChecksumFlag = 0x02
	NoICMPv6 ChecksumFlag = 0x04
	NoTCP    ChecksumFlag = 0x08
	NoUDP    ChecksumFlag = 0x10
)

func (ChecksumFlag) String 

func (i ChecksumFlag) String() string

type Direction 

type Direction int
const (
	Outbound Direction = 1
	Inbound  Direction = 0
)

func (Direction) String 

func (i Direction) String() string

type Event 

type Event int

WINDIVERT_EVENT https://reqrypt.org/windivert-doc.html#divert_events 

const (
	NetworkPacket Event = iota
	FlowEstablished
	FlowDeleted
	SocketBind
	SocketConnect
	SocketListen
	SocketAccept
	SocketClose
	ReflectOpen
	ReflectClose
)

func (Event) String 

func (i Event) String() string

type Filter 

type Filter string

func (*Filter) String 

func (f *Filter) String() string

String returns the string representation of the filter, with trailing zeroes trimmed

type Flag 

type Flag uint8
const (
	None        Flag = 0x00
	Sniff       Flag = 0x01
	Drop        Flag = 0x02
	ReceiveOnly Flag = 0x04
	SendOnly    Flag = 0x08
	NoInstall   Flag = 0x10
	Fragments   Flag = 0x20
)

func (Flag) String 

func (flags Flag) String() string

type Layer 

type Layer int

WINDIVERT_LAYER https://reqrypt.org/windivert-doc.html#divert_layers 

const (
	// Network packets to/from the local machine.
	Network Layer = iota
	// Network packets passing through the local machine.
	NetworkForward
	// Network flow established/deleted events.
	Flow
	// Socket operation events.
	Socket
	// Reflect WinDivert handle events.
	Reflect
)

func (Layer) String 

func (i Layer) String() string

type Packet 

type Packet struct {
	Address *WinDivertAddress
	Length  uint
	Content []byte
}

Wrapped packet

func (*Packet) Decode 

func (p *Packet) Decode(options gopacket.DecodeOptions) gopacket.Packet

func (*Packet) IPVersion 

func (p *Packet) IPVersion() uint8

type Param 

type Param int

WINDIVERT_PARAM 

const (
	QueueLength  Param = 0
	QueueTime    Param = 1
	QueueSize    Param = 2
	VersionMajor Param = 3
	VersionMinor Param = 4
)

func (Param) String 

func (i Param) String() string

type Priority 

type Priority int16

Priority of the handles Multiple handles should not have the same priority.

type Shutdown 

type Shutdown int64

WINDIVERT_SHUTDOWN 

const (
	Recv Shutdown = 0x1
	Send Shutdown = 0x2
	Both Shutdown = 0x3
)

func (Shutdown) String 

func (i Shutdown) String() string

type WinDivertAddress 

type WinDivertAddress struct {
	// A timestamp indicating when event occurred.
	Timestamp int64
	// contains filtered or unexported fields
}

WINDIVERT_ADDRESS https://reqrypt.org/windivert-doc.html#divert_address

func (*WinDivertAddress) Direction 

func (a *WinDivertAddress) Direction() Direction

Direction returns the direction of the packet

func (*WinDivertAddress) Event 

func (a *WinDivertAddress) Event() Event

The captured event (WINDIVERT_EVENT_*).

func (*WinDivertAddress) Flow 

func (a *WinDivertAddress) Flow() WinDivertDataFlow

func (*WinDivertAddress) IPChecksumValid 

func (a *WinDivertAddress) IPChecksumValid() bool

Set to 1 if the IPv4 checksum is valid, 0 otherwise.

func (*WinDivertAddress) IPv6 

func (a *WinDivertAddress) IPv6() bool

Set to 1 for IPv6 packets/events, 0 otherwise.

func (*WinDivertAddress) Impostor 

func (a *WinDivertAddress) Impostor() bool

Set to 1 for impostor packets, 0 otherwise.

func (*WinDivertAddress) Layer 

func (a *WinDivertAddress) Layer() Layer

The handle's layer (WINDIVERT_LAYER_*).

func (*WinDivertAddress) Loopback 

func (a *WinDivertAddress) Loopback() bool

Set to 1 for loopback packets, 0 otherwise.

func (*WinDivertAddress) Network 

func (a *WinDivertAddress) Network() WinDivertDataNetwork

func (*WinDivertAddress) Reflect 

func (a *WinDivertAddress) Reflect() WinDivertDataReflect

func (*WinDivertAddress) Sniffed 

func (a *WinDivertAddress) Sniffed() bool

Set to 1 if the event was sniffed (i.e., not blocked), 0 otherwise.

func (*WinDivertAddress) Socket 

func (a *WinDivertAddress) Socket() WinDivertDataSocket

func (*WinDivertAddress) TCPChecksumValid 

func (a *WinDivertAddress) TCPChecksumValid() bool

Set to 1 if the TCP checksum is valid, 0 otherwise.

func (*WinDivertAddress) UDPChecksumValid 

func (a *WinDivertAddress) UDPChecksumValid() bool

Set to 1 if the UDP checksum is valid, 0 otherwise.

type WinDivertDataFlow 

type WinDivertDataFlow addressInternalUnion

WINDIVERT_DATA_FLOW

func (*WinDivertDataFlow) Endpoint 

func (d *WinDivertDataFlow) Endpoint() uint64

The endpoint ID of the flow.

func (*WinDivertDataFlow) LocalAddr 

func (d *WinDivertDataFlow) LocalAddr() netip.Addr

func (*WinDivertDataFlow) LocalPort 

func (d *WinDivertDataFlow) LocalPort() uint16

func (*WinDivertDataFlow) ParentEndpoint 

func (d *WinDivertDataFlow) ParentEndpoint() uint64

The parent endpoint ID of the flow.

func (*WinDivertDataFlow) ProcessId 

func (d *WinDivertDataFlow) ProcessId() uint32

The ID of the process associated with the flow.

func (*WinDivertDataFlow) Protocol 

func (d *WinDivertDataFlow) Protocol() uint8

func (*WinDivertDataFlow) RemoteAddr 

func (d *WinDivertDataFlow) RemoteAddr() netip.Addr

func (*WinDivertDataFlow) RemotePort 

func (d *WinDivertDataFlow) RemotePort() uint16

type WinDivertDataNetwork 

type WinDivertDataNetwork addressInternalUnion

WINDIVERT_DATA_NETWORK

func (*WinDivertDataNetwork) IfIdx 

func (d *WinDivertDataNetwork) IfIdx() uint32

The interface index on which the packet arrived (for inbound packets), or is to be sent (for outbound packets).

func (*WinDivertDataNetwork) SubIfIdx 

func (d *WinDivertDataNetwork) SubIfIdx() uint32

The sub-interface index for IfIdx.

type WinDivertDataReflect 

type WinDivertDataReflect addressInternalUnion

WINDIVERT_DATA_REFLECT

func (*WinDivertDataReflect) Flags 

func (d *WinDivertDataReflect) Flags() Flag

func (*WinDivertDataReflect) Layer 

func (d *WinDivertDataReflect) Layer() Layer

func (*WinDivertDataReflect) Priority 

func (d *WinDivertDataReflect) Priority() int16

func (*WinDivertDataReflect) ProcessId 

func (d *WinDivertDataReflect) ProcessId() uint32

The ID of the process that opened the handle.

func (*WinDivertDataReflect) Timestamp 

func (d *WinDivertDataReflect) Timestamp() int64

A timestamp indicating when the handle was opened.

type WinDivertDataSocket 

type WinDivertDataSocket addressInternalUnion

WINDIVERT_DATA_SOCKET

func (*WinDivertDataSocket) Endpoint 

func (d *WinDivertDataSocket) Endpoint() uint64

The endpoint ID of the socket operation.

func (*WinDivertDataSocket) LocalAddr 

func (d *WinDivertDataSocket) LocalAddr() netip.Addr

func (*WinDivertDataSocket) LocalPort 

func (d *WinDivertDataSocket) LocalPort() uint16

func (*WinDivertDataSocket) ParentEndpoint 

func (d *WinDivertDataSocket) ParentEndpoint() uint64

The parent endpoint ID of the socket operation.

func (*WinDivertDataSocket) ProcessId 

func (d *WinDivertDataSocket) ProcessId() uint32

The ID of the process associated with the socket operation.

func (*WinDivertDataSocket) Protocol 

func (d *WinDivertDataSocket) Protocol() uint8

func (*WinDivertDataSocket) RemoteAddr 

func (d *WinDivertDataSocket) RemoteAddr() netip.Addr

func (*WinDivertDataSocket) RemotePort 

func (d *WinDivertDataSocket) RemotePort() uint16

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.