knock

package

v0.0.0-...-74a3497 Latest Latest Go to latest Published: Jun 6, 2023 License: AGPL-3.0 Imports: 10 Imported by: 0

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type Knock interface {
	Handle(ipHeader *ipv4.Header, tcpPacket *layers.TCP) bool
}

Knock is an interface used to represent the "knock" mechanism

func NewStaticKnock(ports []uint16, doneCallback func()) Knock

NewStaticKnock creates a new static knock

func NewTOTPKnock(cfg config.KnockTOTP, doneCallback func()) Knock

NewTOTPKnock creates a new TOTP knock

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

Visitor is a visitor that want to establish a real TCP connection

func NewVisitor(cfg config.Knock, doneCallback func()) *Visitor

NewVisitor creates a new visitor to knock the door

func (v *Visitor) Handle(ipHeader *ipv4.Header, tcpPacket *layers.TCP) bool

Handle handles the TCP packet