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path: root/pkg/sentry/socket/netlink/message_test.go
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Diffstat (limited to 'pkg/sentry/socket/netlink/message_test.go')
-rw-r--r--pkg/sentry/socket/netlink/message_test.go312
1 files changed, 0 insertions, 312 deletions
diff --git a/pkg/sentry/socket/netlink/message_test.go b/pkg/sentry/socket/netlink/message_test.go
deleted file mode 100644
index ef13d9386..000000000
--- a/pkg/sentry/socket/netlink/message_test.go
+++ /dev/null
@@ -1,312 +0,0 @@
-// Copyright 2020 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 message_test
-
-import (
- "bytes"
- "reflect"
- "testing"
-
- "gvisor.dev/gvisor/pkg/abi/linux"
- "gvisor.dev/gvisor/pkg/sentry/socket/netlink"
-)
-
-type dummyNetlinkMsg struct {
- Foo uint16
-}
-
-func TestParseMessage(t *testing.T) {
- tests := []struct {
- desc string
- input []byte
-
- header linux.NetlinkMessageHeader
- dataMsg *dummyNetlinkMsg
- restLen int
- ok bool
- }{
- {
- desc: "valid",
- input: []byte{
- 0x14, 0x00, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, 0x00, 0x00, // Data message with 2 bytes padding
- },
- header: linux.NetlinkMessageHeader{
- Length: 20,
- Type: 1,
- Flags: 2,
- Seq: 3,
- PortID: 4,
- },
- dataMsg: &dummyNetlinkMsg{
- Foo: 0x3130,
- },
- restLen: 0,
- ok: true,
- },
- {
- desc: "valid with next message",
- input: []byte{
- 0x14, 0x00, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, 0x00, 0x00, // Data message with 2 bytes padding
- 0xFF, // Next message (rest)
- },
- header: linux.NetlinkMessageHeader{
- Length: 20,
- Type: 1,
- Flags: 2,
- Seq: 3,
- PortID: 4,
- },
- dataMsg: &dummyNetlinkMsg{
- Foo: 0x3130,
- },
- restLen: 1,
- ok: true,
- },
- {
- desc: "valid for last message without padding",
- input: []byte{
- 0x12, 0x00, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, // Data message
- },
- header: linux.NetlinkMessageHeader{
- Length: 18,
- Type: 1,
- Flags: 2,
- Seq: 3,
- PortID: 4,
- },
- dataMsg: &dummyNetlinkMsg{
- Foo: 0x3130,
- },
- restLen: 0,
- ok: true,
- },
- {
- desc: "valid for last message not to be aligned",
- input: []byte{
- 0x13, 0x00, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, // Data message
- 0x00, // Excessive 1 byte permitted at end
- },
- header: linux.NetlinkMessageHeader{
- Length: 19,
- Type: 1,
- Flags: 2,
- Seq: 3,
- PortID: 4,
- },
- dataMsg: &dummyNetlinkMsg{
- Foo: 0x3130,
- },
- restLen: 0,
- ok: true,
- },
- {
- desc: "header.Length too short",
- input: []byte{
- 0x04, 0x00, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, 0x00, 0x00, // Data message with 2 bytes padding
- },
- ok: false,
- },
- {
- desc: "header.Length too long",
- input: []byte{
- 0xFF, 0xFF, 0x00, 0x00, // Length
- 0x01, 0x00, // Type
- 0x02, 0x00, // Flags
- 0x03, 0x00, 0x00, 0x00, // Seq
- 0x04, 0x00, 0x00, 0x00, // PortID
- 0x30, 0x31, 0x00, 0x00, // Data message with 2 bytes padding
- },
- ok: false,
- },
- {
- desc: "header incomplete",
- input: []byte{
- 0x04, 0x00, 0x00, 0x00, // Length
- },
- ok: false,
- },
- {
- desc: "empty message",
- input: []byte{},
- ok: false,
- },
- }
- for _, test := range tests {
- msg, rest, ok := netlink.ParseMessage(test.input)
- if ok != test.ok {
- t.Errorf("%v: got ok = %v, want = %v", test.desc, ok, test.ok)
- continue
- }
- if !test.ok {
- continue
- }
- if !reflect.DeepEqual(msg.Header(), test.header) {
- t.Errorf("%v: got hdr = %+v, want = %+v", test.desc, msg.Header(), test.header)
- }
-
- dataMsg := &dummyNetlinkMsg{}
- _, dataOk := msg.GetData(dataMsg)
- if !dataOk {
- t.Errorf("%v: GetData.ok = %v, want = true", test.desc, dataOk)
- } else if !reflect.DeepEqual(dataMsg, test.dataMsg) {
- t.Errorf("%v: GetData.msg = %+v, want = %+v", test.desc, dataMsg, test.dataMsg)
- }
-
- if got, want := rest, test.input[len(test.input)-test.restLen:]; !bytes.Equal(got, want) {
- t.Errorf("%v: got rest = %v, want = %v", test.desc, got, want)
- }
- }
-}
-
-func TestAttrView(t *testing.T) {
- tests := []struct {
- desc string
- input []byte
-
- // Outputs for ParseFirst.
- hdr linux.NetlinkAttrHeader
- value []byte
- restLen int
- ok bool
-
- // Outputs for Empty.
- isEmpty bool
- }{
- {
- desc: "valid",
- input: []byte{
- 0x06, 0x00, // Length
- 0x01, 0x00, // Type
- 0x30, 0x31, 0x00, 0x00, // Data with 2 bytes padding
- },
- hdr: linux.NetlinkAttrHeader{
- Length: 6,
- Type: 1,
- },
- value: []byte{0x30, 0x31},
- restLen: 0,
- ok: true,
- isEmpty: false,
- },
- {
- desc: "at alignment",
- input: []byte{
- 0x08, 0x00, // Length
- 0x01, 0x00, // Type
- 0x30, 0x31, 0x32, 0x33, // Data
- },
- hdr: linux.NetlinkAttrHeader{
- Length: 8,
- Type: 1,
- },
- value: []byte{0x30, 0x31, 0x32, 0x33},
- restLen: 0,
- ok: true,
- isEmpty: false,
- },
- {
- desc: "at alignment with rest data",
- input: []byte{
- 0x08, 0x00, // Length
- 0x01, 0x00, // Type
- 0x30, 0x31, 0x32, 0x33, // Data
- 0xFF, 0xFE, // Rest data
- },
- hdr: linux.NetlinkAttrHeader{
- Length: 8,
- Type: 1,
- },
- value: []byte{0x30, 0x31, 0x32, 0x33},
- restLen: 2,
- ok: true,
- isEmpty: false,
- },
- {
- desc: "hdr.Length too long",
- input: []byte{
- 0xFF, 0x00, // Length
- 0x01, 0x00, // Type
- 0x30, 0x31, 0x32, 0x33, // Data
- },
- ok: false,
- isEmpty: false,
- },
- {
- desc: "hdr.Length too short",
- input: []byte{
- 0x01, 0x00, // Length
- 0x01, 0x00, // Type
- 0x30, 0x31, 0x32, 0x33, // Data
- },
- ok: false,
- isEmpty: false,
- },
- {
- desc: "empty",
- input: []byte{},
- ok: false,
- isEmpty: true,
- },
- }
- for _, test := range tests {
- attrs := netlink.AttrsView(test.input)
-
- // Test ParseFirst().
- hdr, value, rest, ok := attrs.ParseFirst()
- if ok != test.ok {
- t.Errorf("%v: got ok = %v, want = %v", test.desc, ok, test.ok)
- } else if test.ok {
- if !reflect.DeepEqual(hdr, test.hdr) {
- t.Errorf("%v: got hdr = %+v, want = %+v", test.desc, hdr, test.hdr)
- }
- if !bytes.Equal(value, test.value) {
- t.Errorf("%v: got value = %v, want = %v", test.desc, value, test.value)
- }
- if wantRest := test.input[len(test.input)-test.restLen:]; !bytes.Equal(rest, wantRest) {
- t.Errorf("%v: got rest = %v, want = %v", test.desc, rest, wantRest)
- }
- }
-
- // Test Empty().
- if got, want := attrs.Empty(), test.isEmpty; got != want {
- t.Errorf("%v: got empty = %v, want = %v", test.desc, got, want)
- }
- }
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 16:20:53 +0000