conntrack

Documentation

Index

• Variables
• type Connection
  • func ParseHeader(pkt []byte) (*Connection, error)
  • func (conn *Connection) GetAddressFamily() netdb.AddressFamily
  • func (conn *Connection) GetNetConnection() *netdb.Connection
  • func (conn *Connection) GetProtocol() netdb.Protocol
  • func (conn *Connection) IsActive(pktlen int) bool
  • func (conn *Connection) IsValid(localIPv6 string) bool
  • func (conn *Connection) ParseProtocol(pkt []byte) error
  • func (conn *Connection) ProtoFilter() bool
• type Interface
  • func Ctrl() Interface

Variables

var RequestQueue = make(chan *netdb.ConntrackTableRequest, 128)

Types

type Connection

type Connection struct {
	AF      ipnet.AddressFamily
	SrcIP   netip.Addr
	DstIP   netip.Addr
	DstAddr netip.Addr
	Proto   layers.IPProtocol
	SrcPort uint16
	DstPort uint16
	// contains filtered or unexported fields
}

func ParseHeader

func ParseHeader(pkt []byte) (*Connection, error)

func (*Connection) GetAddressFamily

func (conn *Connection) GetAddressFamily() netdb.AddressFamily

func (*Connection) GetNetConnection

func (conn *Connection) GetNetConnection() *netdb.Connection

func (*Connection) GetProtocol

func (conn *Connection) GetProtocol() netdb.Protocol

func (*Connection) IsActive

func (conn *Connection) IsActive(pktlen int) bool

func (*Connection) IsValid

func (conn *Connection) IsValid(localIPv6 string) bool

func (*Connection) ParseProtocol

func (conn *Connection) ParseProtocol(pkt []byte) error

func (*Connection) ProtoFilter

func (conn *Connection) ProtoFilter() bool

Filter specific proto packet types

type Interface

type Interface interface {
	OutboundConnection(c *Connection, pktlen int)
	Close()

	GetTable(r *netdb.ConntrackTableRequest) *netdb.ConntrackTableResponse
}

func Ctrl

func Ctrl() Interface