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Diffstat (limited to 'pkg/tcpip/header/ipv6_test.go')
-rw-r--r--pkg/tcpip/header/ipv6_test.go208
1 files changed, 0 insertions, 208 deletions
diff --git a/pkg/tcpip/header/ipv6_test.go b/pkg/tcpip/header/ipv6_test.go
deleted file mode 100644
index 1994003ed..000000000
--- a/pkg/tcpip/header/ipv6_test.go
+++ /dev/null
@@ -1,208 +0,0 @@
-// Copyright 2019 The gVisor Authors.
-//
-// 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.
-
-package header_test
-
-import (
- "bytes"
- "crypto/sha256"
- "testing"
-
- "github.com/google/go-cmp/cmp"
- "gvisor.dev/gvisor/pkg/rand"
- "gvisor.dev/gvisor/pkg/tcpip"
- "gvisor.dev/gvisor/pkg/tcpip/header"
-)
-
-const linkAddr = tcpip.LinkAddress("\x02\x02\x03\x04\x05\x06")
-
-func TestEthernetAdddressToModifiedEUI64(t *testing.T) {
- expectedIID := [header.IIDSize]byte{0, 2, 3, 255, 254, 4, 5, 6}
-
- if diff := cmp.Diff(expectedIID, header.EthernetAddressToModifiedEUI64(linkAddr)); diff != "" {
- t.Errorf("EthernetAddressToModifiedEUI64(%s) mismatch (-want +got):\n%s", linkAddr, diff)
- }
-
- var buf [header.IIDSize]byte
- header.EthernetAdddressToModifiedEUI64IntoBuf(linkAddr, buf[:])
- if diff := cmp.Diff(expectedIID, buf); diff != "" {
- t.Errorf("EthernetAddressToModifiedEUI64IntoBuf(%s, _) mismatch (-want +got):\n%s", linkAddr, diff)
- }
-}
-
-func TestLinkLocalAddr(t *testing.T) {
- if got, want := header.LinkLocalAddr(linkAddr), tcpip.Address("\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x02\x03\xff\xfe\x04\x05\x06"); got != want {
- t.Errorf("got LinkLocalAddr(%s) = %s, want = %s", linkAddr, got, want)
- }
-}
-
-func TestAppendOpaqueInterfaceIdentifier(t *testing.T) {
- var secretKeyBuf [header.OpaqueIIDSecretKeyMinBytes * 2]byte
- if n, err := rand.Read(secretKeyBuf[:]); err != nil {
- t.Fatalf("rand.Read(_): %s", err)
- } else if want := header.OpaqueIIDSecretKeyMinBytes * 2; n != want {
- t.Fatalf("expected rand.Read to read %d bytes, read %d bytes", want, n)
- }
-
- tests := []struct {
- name string
- prefix tcpip.Subnet
- nicName string
- dadCounter uint8
- secretKey []byte
- }{
- {
- name: "SecretKey of minimum size",
- prefix: header.IPv6LinkLocalPrefix.Subnet(),
- nicName: "eth0",
- dadCounter: 0,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes],
- },
- {
- name: "SecretKey of less than minimum size",
- prefix: func() tcpip.Subnet {
- addrWithPrefix := tcpip.AddressWithPrefix{
- Address: "\x01\x02\x03\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
- PrefixLen: header.IIDOffsetInIPv6Address * 8,
- }
- return addrWithPrefix.Subnet()
- }(),
- nicName: "eth10",
- dadCounter: 1,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes/2],
- },
- {
- name: "SecretKey of more than minimum size",
- prefix: func() tcpip.Subnet {
- addrWithPrefix := tcpip.AddressWithPrefix{
- Address: "\x01\x02\x03\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
- PrefixLen: header.IIDOffsetInIPv6Address * 8,
- }
- return addrWithPrefix.Subnet()
- }(),
- nicName: "eth11",
- dadCounter: 2,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes*2],
- },
- {
- name: "Nil SecretKey and empty nicName",
- prefix: func() tcpip.Subnet {
- addrWithPrefix := tcpip.AddressWithPrefix{
- Address: "\x01\x02\x03\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
- PrefixLen: header.IIDOffsetInIPv6Address * 8,
- }
- return addrWithPrefix.Subnet()
- }(),
- nicName: "",
- dadCounter: 3,
- secretKey: nil,
- },
- }
-
- for _, test := range tests {
- t.Run(test.name, func(t *testing.T) {
- h := sha256.New()
- h.Write([]byte(test.prefix.ID()[:header.IIDOffsetInIPv6Address]))
- h.Write([]byte(test.nicName))
- h.Write([]byte{test.dadCounter})
- if k := test.secretKey; k != nil {
- h.Write(k)
- }
- var hashSum [sha256.Size]byte
- h.Sum(hashSum[:0])
- want := hashSum[:header.IIDSize]
-
- // Passing a nil buffer should result in a new buffer returned with the
- // IID.
- if got := header.AppendOpaqueInterfaceIdentifier(nil, test.prefix, test.nicName, test.dadCounter, test.secretKey); !bytes.Equal(got, want) {
- t.Errorf("got AppendOpaqueInterfaceIdentifier(nil, %s, %s, %d, %x) = %x, want = %x", test.prefix, test.nicName, test.dadCounter, test.secretKey, got, want)
- }
-
- // Passing a buffer with sufficient capacity for the IID should populate
- // the buffer provided.
- var iidBuf [header.IIDSize]byte
- if got := header.AppendOpaqueInterfaceIdentifier(iidBuf[:0], test.prefix, test.nicName, test.dadCounter, test.secretKey); !bytes.Equal(got, want) {
- t.Errorf("got AppendOpaqueInterfaceIdentifier(iidBuf[:0], %s, %s, %d, %x) = %x, want = %x", test.prefix, test.nicName, test.dadCounter, test.secretKey, got, want)
- }
- if got := iidBuf[:]; !bytes.Equal(got, want) {
- t.Errorf("got iidBuf = %x, want = %x", got, want)
- }
- })
- }
-}
-
-func TestLinkLocalAddrWithOpaqueIID(t *testing.T) {
- var secretKeyBuf [header.OpaqueIIDSecretKeyMinBytes * 2]byte
- if n, err := rand.Read(secretKeyBuf[:]); err != nil {
- t.Fatalf("rand.Read(_): %s", err)
- } else if want := header.OpaqueIIDSecretKeyMinBytes * 2; n != want {
- t.Fatalf("expected rand.Read to read %d bytes, read %d bytes", want, n)
- }
-
- prefix := header.IPv6LinkLocalPrefix.Subnet()
-
- tests := []struct {
- name string
- prefix tcpip.Subnet
- nicName string
- dadCounter uint8
- secretKey []byte
- }{
- {
- name: "SecretKey of minimum size",
- nicName: "eth0",
- dadCounter: 0,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes],
- },
- {
- name: "SecretKey of less than minimum size",
- nicName: "eth10",
- dadCounter: 1,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes/2],
- },
- {
- name: "SecretKey of more than minimum size",
- nicName: "eth11",
- dadCounter: 2,
- secretKey: secretKeyBuf[:header.OpaqueIIDSecretKeyMinBytes*2],
- },
- {
- name: "Nil SecretKey and empty nicName",
- nicName: "",
- dadCounter: 3,
- secretKey: nil,
- },
- }
-
- for _, test := range tests {
- t.Run(test.name, func(t *testing.T) {
- addrBytes := [header.IPv6AddressSize]byte{
- 0: 0xFE,
- 1: 0x80,
- }
-
- want := tcpip.Address(header.AppendOpaqueInterfaceIdentifier(
- addrBytes[:header.IIDOffsetInIPv6Address],
- prefix,
- test.nicName,
- test.dadCounter,
- test.secretKey,
- ))
-
- if got := header.LinkLocalAddrWithOpaqueIID(test.nicName, test.dadCounter, test.secretKey); got != want {
- t.Errorf("got LinkLocalAddrWithOpaqueIID(%s, %d, %x) = %s, want = %s", test.nicName, test.dadCounter, test.secretKey, got, want)
- }
- })
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 20:45:19 +0000