icmp

Documentation

Overview

Copyright 2016-2019 DutchSec (https://dutchsec.com/)

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

Index

• Constants
• type ICMPv4
  • func Parse(data []byte) (*ICMPv4, error)
  • func (i ICMPv4) String() string
• type ICMPv4TypeCode
  • func CreateICMPv4TypeCode(typ uint8, code uint8) ICMPv4TypeCode
  • func (a ICMPv4TypeCode) Code() uint8
  • func (a ICMPv4TypeCode) GoString() string
  • func (a ICMPv4TypeCode) SerializeTo(bytes []byte)
  • func (a ICMPv4TypeCode) String() string
  • func (a ICMPv4TypeCode) Type() uint8

Constants

const (
	ICMPv4TypeEchoReply              = 0
	ICMPv4TypeDestinationUnreachable = 3
	ICMPv4TypeSourceQuench           = 4
	ICMPv4TypeRedirect               = 5
	ICMPv4TypeEchoRequest            = 8
	ICMPv4TypeRouterAdvertisement    = 9
	ICMPv4TypeRouterSolicitation     = 10
	ICMPv4TypeTimeExceeded           = 11
	ICMPv4TypeParameterProblem       = 12
	ICMPv4TypeTimestampRequest       = 13
	ICMPv4TypeTimestampReply         = 14
	ICMPv4TypeInfoRequest            = 15
	ICMPv4TypeInfoReply              = 16
	ICMPv4TypeAddressMaskRequest     = 17
	ICMPv4TypeAddressMaskReply       = 18
)

const (
	// DestinationUnreachable
	ICMPv4CodeNet                 = 0
	ICMPv4CodeHost                = 1
	ICMPv4CodeProtocol            = 2
	ICMPv4CodePort                = 3
	ICMPv4CodeFragmentationNeeded = 4
	ICMPv4CodeSourceRoutingFailed = 5
	ICMPv4CodeNetUnknown          = 6
	ICMPv4CodeHostUnknown         = 7
	ICMPv4CodeSourceIsolated      = 8
	ICMPv4CodeNetAdminProhibited  = 9
	ICMPv4CodeHostAdminProhibited = 10
	ICMPv4CodeNetTOS              = 11
	ICMPv4CodeHostTOS             = 12
	ICMPv4CodeCommAdminProhibited = 13
	ICMPv4CodeHostPrecedence      = 14
	ICMPv4CodePrecedenceCutoff    = 15

	// TimeExceeded
	ICMPv4CodeTTLExceeded                    = 0
	ICMPv4CodeFragmentReassemblyTimeExceeded = 1

	// ParameterProblem
	ICMPv4CodePointerIndicatesError = 0
	ICMPv4CodeMissingOption         = 1
	ICMPv4CodeBadLength             = 2

	// Redirect
	// ICMPv4CodeNet  = same as for DestinationUnreachable
	// ICMPv4CodeHost = same as for DestinationUnreachable
	ICMPv4CodeTOSNet  = 2
	ICMPv4CodeTOSHost = 3
)

Types

type ICMPv4

type ICMPv4 struct {
	TypeCode ICMPv4TypeCode

	Checksum uint16

	ID  uint16
	Seq uint16
}

func Parse

func Parse(data []byte) (*ICMPv4, error)

func (ICMPv4) String

func (i ICMPv4) String() string

type ICMPv4TypeCode

type ICMPv4TypeCode uint16

func CreateICMPv4TypeCode

func CreateICMPv4TypeCode(typ uint8, code uint8) ICMPv4TypeCode

CreateICMPv4TypeCode is a convenience function to create an ICMPv4TypeCode gopacket type from the ICMPv4 type and code values.

func (ICMPv4TypeCode) Code

func (a ICMPv4TypeCode) Code() uint8

Code returns the ICMPv4 code field.

func (ICMPv4TypeCode) GoString

func (a ICMPv4TypeCode) GoString() string

func (ICMPv4TypeCode) SerializeTo

func (a ICMPv4TypeCode) SerializeTo(bytes []byte)

SerializeTo writes the ICMPv4TypeCode value to the 'bytes' buffer.

func (ICMPv4TypeCode) String

func (a ICMPv4TypeCode) String() string

func (ICMPv4TypeCode) Type

func (a ICMPv4TypeCode) Type() uint8

Type returns the ICMPv4 type field.