diff options
Diffstat (limited to 'pkg/tcpip/header/tcp_test.go')
| -rw-r--r-- | pkg/tcpip/header/tcp_test.go | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/pkg/tcpip/header/tcp_test.go b/pkg/tcpip/header/tcp_test.go deleted file mode 100644 index 72563837b..000000000 --- a/pkg/tcpip/header/tcp_test.go +++ /dev/null @@ -1,148 +0,0 @@ -// Copyright 2018 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 ( - "reflect" - "testing" - - "gvisor.dev/gvisor/pkg/tcpip/header" -) - -func TestEncodeSACKBlocks(t *testing.T) { - testCases := []struct { - sackBlocks []header.SACKBlock - want []header.SACKBlock - bufSize int - }{ - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}}, - 40, - }, - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}}, - 30, - }, - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - []header.SACKBlock{{10, 20}, {22, 30}}, - 20, - }, - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - []header.SACKBlock{{10, 20}}, - 10, - }, - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - nil, - 8, - }, - { - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}, {52, 60}, {62, 70}}, - []header.SACKBlock{{10, 20}, {22, 30}, {32, 40}, {42, 50}}, - 60, - }, - } - for _, tc := range testCases { - b := make([]byte, tc.bufSize) - t.Logf("testing: %v", tc) - header.EncodeSACKBlocks(tc.sackBlocks, b) - opts := header.ParseTCPOptions(b) - if got, want := opts.SACKBlocks, tc.want; !reflect.DeepEqual(got, want) { - t.Errorf("header.EncodeSACKBlocks(%v, %v), encoded blocks got: %v, want: %v", tc.sackBlocks, b, got, want) - } - } -} - -func TestTCPParseOptions(t *testing.T) { - type tsOption struct { - tsVal uint32 - tsEcr uint32 - } - - generateOptions := func(tsOpt *tsOption, sackBlocks []header.SACKBlock) []byte { - l := 0 - if tsOpt != nil { - l += 10 - } - if len(sackBlocks) != 0 { - l += len(sackBlocks)*8 + 2 - } - b := make([]byte, l) - offset := 0 - if tsOpt != nil { - offset = header.EncodeTSOption(tsOpt.tsVal, tsOpt.tsEcr, b) - } - header.EncodeSACKBlocks(sackBlocks, b[offset:]) - return b - } - - testCases := []struct { - b []byte - want header.TCPOptions - }{ - // Trivial cases. - {nil, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionNOP}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionNOP, header.TCPOptionNOP}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionEOL}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionNOP, header.TCPOptionEOL, header.TCPOptionTS, 10, 1, 1}, header.TCPOptions{false, 0, 0, nil}}, - - // Test timestamp parsing. - {[]byte{header.TCPOptionNOP, header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{true, 1, 1, nil}}, - {[]byte{header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{true, 1, 1, nil}}, - - // Test malformed timestamp option. - {[]byte{header.TCPOptionTS, 8, 1, 1}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionNOP, header.TCPOptionTS, 8, 1, 1}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionNOP, header.TCPOptionTS, 8, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{false, 0, 0, nil}}, - - // Test SACKBlock parsing. - {[]byte{header.TCPOptionSACK, 10, 0, 0, 0, 1, 0, 0, 0, 10}, header.TCPOptions{false, 0, 0, []header.SACKBlock{{1, 10}}}}, - {[]byte{header.TCPOptionSACK, 18, 0, 0, 0, 1, 0, 0, 0, 10, 0, 0, 0, 11, 0, 0, 0, 12}, header.TCPOptions{false, 0, 0, []header.SACKBlock{{1, 10}, {11, 12}}}}, - - // Test malformed SACK option. - {[]byte{header.TCPOptionSACK, 0}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 8, 0, 0, 0, 1, 0, 0, 0, 10}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 11, 0, 0, 0, 1, 0, 0, 0, 10, 0, 0, 0, 11, 0, 0, 0, 12}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 17, 0, 0, 0, 1, 0, 0, 0, 10, 0, 0, 0, 11, 0, 0, 0, 12}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 10}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 10, 0, 0, 0, 1, 0, 0, 0}, header.TCPOptions{false, 0, 0, nil}}, - - // Test Timestamp + SACK block parsing. - {generateOptions(&tsOption{1, 1}, []header.SACKBlock{{1, 10}, {11, 12}}), header.TCPOptions{true, 1, 1, []header.SACKBlock{{1, 10}, {11, 12}}}}, - {generateOptions(&tsOption{1, 2}, []header.SACKBlock{{1, 10}, {11, 12}}), header.TCPOptions{true, 1, 2, []header.SACKBlock{{1, 10}, {11, 12}}}}, - {generateOptions(&tsOption{1, 3}, []header.SACKBlock{{1, 10}, {11, 12}, {13, 14}, {14, 15}, {15, 16}}), header.TCPOptions{true, 1, 3, []header.SACKBlock{{1, 10}, {11, 12}, {13, 14}, {14, 15}}}}, - - // Test valid timestamp + malformed SACK block parsing. - {[]byte{header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1, header.TCPOptionSACK}, header.TCPOptions{true, 1, 1, nil}}, - {[]byte{header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1, header.TCPOptionSACK, 10}, header.TCPOptions{true, 1, 1, nil}}, - {[]byte{header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1, header.TCPOptionSACK, 10, 0, 0, 0}, header.TCPOptions{true, 1, 1, nil}}, - {[]byte{header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1, header.TCPOptionSACK, 11, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{true, 1, 1, nil}}, - {[]byte{header.TCPOptionSACK, header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{false, 0, 0, nil}}, - {[]byte{header.TCPOptionSACK, 10, header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{false, 0, 0, []header.SACKBlock{{134873088, 65536}}}}, - {[]byte{header.TCPOptionSACK, 10, 0, 0, 0, header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{false, 0, 0, []header.SACKBlock{{8, 167772160}}}}, - {[]byte{header.TCPOptionSACK, 11, 0, 0, 0, 1, 0, 0, 0, 1, header.TCPOptionTS, 10, 0, 0, 0, 1, 0, 0, 0, 1}, header.TCPOptions{false, 0, 0, nil}}, - } - for _, tc := range testCases { - if got, want := header.ParseTCPOptions(tc.b), tc.want; !reflect.DeepEqual(got, want) { - t.Errorf("ParseTCPOptions(%v) = %v, want: %v", tc.b, got, tc.want) - } - } -} |