mirror of
https://github.com/restic/restic.git
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156 lines
3.5 KiB
Go
156 lines
3.5 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package icmp_test
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import (
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"net"
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"reflect"
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"testing"
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"golang.org/x/net/icmp"
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"golang.org/x/net/internal/iana"
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"golang.org/x/net/ipv4"
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"golang.org/x/net/ipv6"
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)
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func TestMarshalAndParseMessage(t *testing.T) {
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fn := func(t *testing.T, proto int, tms []icmp.Message) {
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var pshs [][]byte
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switch proto {
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case iana.ProtocolICMP:
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pshs = [][]byte{nil}
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case iana.ProtocolIPv6ICMP:
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pshs = [][]byte{
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icmp.IPv6PseudoHeader(net.ParseIP("fe80::1"), net.ParseIP("ff02::1")),
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nil,
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}
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}
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for i, tm := range tms {
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for _, psh := range pshs {
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b, err := tm.Marshal(psh)
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if err != nil {
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t.Fatal(err)
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}
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m, err := icmp.ParseMessage(proto, b)
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if err != nil {
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t.Fatal(err)
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}
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if m.Type != tm.Type || m.Code != tm.Code {
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t.Errorf("#%d: got %#v; want %#v", i, m, &tm)
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}
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if !reflect.DeepEqual(m.Body, tm.Body) {
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t.Errorf("#%d: got %#v; want %#v", i, m.Body, tm.Body)
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}
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}
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}
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}
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t.Run("IPv4", func(t *testing.T) {
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fn(t, iana.ProtocolICMP,
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[]icmp.Message{
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{
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Type: ipv4.ICMPTypeDestinationUnreachable, Code: 15,
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Body: &icmp.DstUnreach{
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv4.ICMPTypeTimeExceeded, Code: 1,
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Body: &icmp.TimeExceeded{
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv4.ICMPTypeParameterProblem, Code: 2,
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Body: &icmp.ParamProb{
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Pointer: 8,
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv4.ICMPTypeEcho, Code: 0,
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Body: &icmp.Echo{
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ID: 1, Seq: 2,
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Data: []byte("HELLO-R-U-THERE"),
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},
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},
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{
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Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
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Body: &icmp.ExtendedEchoRequest{
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ID: 1, Seq: 2,
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},
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},
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{
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Type: ipv4.ICMPTypeExtendedEchoReply, Code: 0,
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Body: &icmp.ExtendedEchoReply{
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State: 4 /* Delay */, Active: true, IPv4: true,
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},
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},
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{
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Type: ipv4.ICMPTypePhoturis,
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Body: &icmp.DefaultMessageBody{
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Data: []byte{0x80, 0x40, 0x20, 0x10},
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},
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},
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})
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})
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t.Run("IPv6", func(t *testing.T) {
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fn(t, iana.ProtocolIPv6ICMP,
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[]icmp.Message{
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{
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Type: ipv6.ICMPTypeDestinationUnreachable, Code: 6,
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Body: &icmp.DstUnreach{
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv6.ICMPTypePacketTooBig, Code: 0,
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Body: &icmp.PacketTooBig{
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MTU: 1<<16 - 1,
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv6.ICMPTypeTimeExceeded, Code: 1,
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Body: &icmp.TimeExceeded{
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv6.ICMPTypeParameterProblem, Code: 2,
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Body: &icmp.ParamProb{
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Pointer: 8,
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Data: []byte("ERROR-INVOKING-PACKET"),
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},
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},
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{
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Type: ipv6.ICMPTypeEchoRequest, Code: 0,
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Body: &icmp.Echo{
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ID: 1, Seq: 2,
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Data: []byte("HELLO-R-U-THERE"),
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},
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},
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{
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Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
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Body: &icmp.ExtendedEchoRequest{
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ID: 1, Seq: 2,
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},
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},
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{
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Type: ipv6.ICMPTypeExtendedEchoReply, Code: 0,
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Body: &icmp.ExtendedEchoReply{
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State: 5 /* Probe */, Active: true, IPv6: true,
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},
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},
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{
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Type: ipv6.ICMPTypeDuplicateAddressConfirmation,
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Body: &icmp.DefaultMessageBody{
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Data: []byte{0x80, 0x40, 0x20, 0x10},
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},
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},
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})
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})
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}
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