direktil/inits
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

lvm: setupLV wait device + go mod

Browse Source
This commit is contained in:
Mikaël Cluseau
2019-02-05 09:36:11 +11:00
parent 10e72f18ae
commit c62ddaf2e0
134 changed files with 336 additions and 38985 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
vendor/golang.org/x/net/AUTHORS generated vendored Normal file
View File

@ -0,0 +1,3 @@
# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

3
vendor/golang.org/x/net/CONTRIBUTORS generated vendored Normal file
View File

@ -0,0 +1,3 @@
# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/net/LICENSE generated vendored Normal file
View File

@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/net/PATENTS generated vendored Normal file
View File

@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

525
vendor/golang.org/x/net/bpf/instructions_test.go generated vendored
View File

@ -1,525 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import (
"fmt"
"io/ioutil"
"reflect"
"strconv"
"strings"
"testing"
)
// This is a direct translation of the program in
// testdata/all_instructions.txt.
var allInstructions = []Instruction{
LoadConstant{Dst: RegA, Val: 42},
LoadConstant{Dst: RegX, Val: 42},
LoadScratch{Dst: RegA, N: 3},
LoadScratch{Dst: RegX, N: 3},
LoadAbsolute{Off: 42, Size: 1},
LoadAbsolute{Off: 42, Size: 2},
LoadAbsolute{Off: 42, Size: 4},
LoadIndirect{Off: 42, Size: 1},
LoadIndirect{Off: 42, Size: 2},
LoadIndirect{Off: 42, Size: 4},
LoadMemShift{Off: 42},
LoadExtension{Num: ExtLen},
LoadExtension{Num: ExtProto},
LoadExtension{Num: ExtType},
LoadExtension{Num: ExtRand},
StoreScratch{Src: RegA, N: 3},
StoreScratch{Src: RegX, N: 3},
ALUOpConstant{Op: ALUOpAdd, Val: 42},
ALUOpConstant{Op: ALUOpSub, Val: 42},
ALUOpConstant{Op: ALUOpMul, Val: 42},
ALUOpConstant{Op: ALUOpDiv, Val: 42},
ALUOpConstant{Op: ALUOpOr, Val: 42},
ALUOpConstant{Op: ALUOpAnd, Val: 42},
ALUOpConstant{Op: ALUOpShiftLeft, Val: 42},
ALUOpConstant{Op: ALUOpShiftRight, Val: 42},
ALUOpConstant{Op: ALUOpMod, Val: 42},
ALUOpConstant{Op: ALUOpXor, Val: 42},
ALUOpX{Op: ALUOpAdd},
ALUOpX{Op: ALUOpSub},
ALUOpX{Op: ALUOpMul},
ALUOpX{Op: ALUOpDiv},
ALUOpX{Op: ALUOpOr},
ALUOpX{Op: ALUOpAnd},
ALUOpX{Op: ALUOpShiftLeft},
ALUOpX{Op: ALUOpShiftRight},
ALUOpX{Op: ALUOpMod},
ALUOpX{Op: ALUOpXor},
NegateA{},
Jump{Skip: 10},
JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 8, SkipFalse: 9},
JumpIf{Cond: JumpNotEqual, Val: 42, SkipTrue: 8},
JumpIf{Cond: JumpLessThan, Val: 42, SkipTrue: 7},
JumpIf{Cond: JumpLessOrEqual, Val: 42, SkipTrue: 6},
JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 4, SkipFalse: 5},
JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 3, SkipFalse: 4},
JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 2, SkipFalse: 3},
TAX{},
TXA{},
RetA{},
RetConstant{Val: 42},
}
var allInstructionsExpected = "testdata/all_instructions.bpf"
// Check that we produce the same output as the canonical bpf_asm
// linux kernel tool.
func TestInterop(t *testing.T) {
out, err := Assemble(allInstructions)
if err != nil {
t.Fatalf("assembly of allInstructions program failed: %s", err)
}
t.Logf("Assembled program is %d instructions long", len(out))
bs, err := ioutil.ReadFile(allInstructionsExpected)
if err != nil {
t.Fatalf("reading %s: %s", allInstructionsExpected, err)
}
// First statement is the number of statements, last statement is
// empty. We just ignore both and rely on slice length.
stmts := strings.Split(string(bs), ",")
if len(stmts)-2 != len(out) {
t.Fatalf("test program lengths don't match: %s has %d, Go implementation has %d", allInstructionsExpected, len(stmts)-2, len(allInstructions))
}
for i, stmt := range stmts[1 : len(stmts)-2] {
nums := strings.Split(stmt, " ")
if len(nums) != 4 {
t.Fatalf("malformed instruction %d in %s: %s", i+1, allInstructionsExpected, stmt)
}
actual := out[i]
op, err := strconv.ParseUint(nums[0], 10, 16)
if err != nil {
t.Fatalf("malformed opcode %s in instruction %d of %s", nums[0], i+1, allInstructionsExpected)
}
if actual.Op != uint16(op) {
t.Errorf("opcode mismatch on instruction %d (%#v): got 0x%02x, want 0x%02x", i+1, allInstructions[i], actual.Op, op)
}
jt, err := strconv.ParseUint(nums[1], 10, 8)
if err != nil {
t.Fatalf("malformed jt offset %s in instruction %d of %s", nums[1], i+1, allInstructionsExpected)
}
if actual.Jt != uint8(jt) {
t.Errorf("jt mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.Jt, jt)
}
jf, err := strconv.ParseUint(nums[2], 10, 8)
if err != nil {
t.Fatalf("malformed jf offset %s in instruction %d of %s", nums[2], i+1, allInstructionsExpected)
}
if actual.Jf != uint8(jf) {
t.Errorf("jf mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.Jf, jf)
}
k, err := strconv.ParseUint(nums[3], 10, 32)
if err != nil {
t.Fatalf("malformed constant %s in instruction %d of %s", nums[3], i+1, allInstructionsExpected)
}
if actual.K != uint32(k) {
t.Errorf("constant mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.K, k)
}
}
}
// Check that assembly and disassembly match each other.
func TestAsmDisasm(t *testing.T) {
prog1, err := Assemble(allInstructions)
if err != nil {
t.Fatalf("assembly of allInstructions program failed: %s", err)
}
t.Logf("Assembled program is %d instructions long", len(prog1))
got, allDecoded := Disassemble(prog1)
if !allDecoded {
t.Errorf("Disassemble(Assemble(allInstructions)) produced unrecognized instructions:")
for i, inst := range got {
if r, ok := inst.(RawInstruction); ok {
t.Logf(" insn %d, %#v --> %#v", i+1, allInstructions[i], r)
}
}
}
if len(allInstructions) != len(got) {
t.Fatalf("disassembly changed program size: %d insns before, %d insns after", len(allInstructions), len(got))
}
if !reflect.DeepEqual(allInstructions, got) {
t.Errorf("program mutated by disassembly:")
for i := range got {
if !reflect.DeepEqual(allInstructions[i], got[i]) {
t.Logf(" insn %d, s: %#v, p1: %#v, got: %#v", i+1, allInstructions[i], prog1[i], got[i])
}
}
}
}
type InvalidInstruction struct{}
func (a InvalidInstruction) Assemble() (RawInstruction, error) {
return RawInstruction{}, fmt.Errorf("Invalid Instruction")
}
func (a InvalidInstruction) String() string {
return fmt.Sprintf("unknown instruction: %#v", a)
}
func TestString(t *testing.T) {
testCases := []struct {
instruction Instruction
assembler string
}{
{
instruction: LoadConstant{Dst: RegA, Val: 42},
assembler: "ld #42",
},
{
instruction: LoadConstant{Dst: RegX, Val: 42},
assembler: "ldx #42",
},
{
instruction: LoadConstant{Dst: 0xffff, Val: 42},
assembler: "unknown instruction: bpf.LoadConstant{Dst:0xffff, Val:0x2a}",
},
{
instruction: LoadScratch{Dst: RegA, N: 3},
assembler: "ld M[3]",
},
{
instruction: LoadScratch{Dst: RegX, N: 3},
assembler: "ldx M[3]",
},
{
instruction: LoadScratch{Dst: 0xffff, N: 3},
assembler: "unknown instruction: bpf.LoadScratch{Dst:0xffff, N:3}",
},
{
instruction: LoadAbsolute{Off: 42, Size: 1},
assembler: "ldb [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: 2},
assembler: "ldh [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: 4},
assembler: "ld [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: -1},
assembler: "unknown instruction: bpf.LoadAbsolute{Off:0x2a, Size:-1}",
},
{
instruction: LoadIndirect{Off: 42, Size: 1},
assembler: "ldb [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: 2},
assembler: "ldh [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: 4},
assembler: "ld [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: -1},
assembler: "unknown instruction: bpf.LoadIndirect{Off:0x2a, Size:-1}",
},
{
instruction: LoadMemShift{Off: 42},
assembler: "ldx 4*([42]&0xf)",
},
{
instruction: LoadExtension{Num: ExtLen},
assembler: "ld #len",
},
{
instruction: LoadExtension{Num: ExtProto},
assembler: "ld #proto",
},
{
instruction: LoadExtension{Num: ExtType},
assembler: "ld #type",
},
{
instruction: LoadExtension{Num: ExtPayloadOffset},
assembler: "ld #poff",
},
{
instruction: LoadExtension{Num: ExtInterfaceIndex},
assembler: "ld #ifidx",
},
{
instruction: LoadExtension{Num: ExtNetlinkAttr},
assembler: "ld #nla",
},
{
instruction: LoadExtension{Num: ExtNetlinkAttrNested},
assembler: "ld #nlan",
},
{
instruction: LoadExtension{Num: ExtMark},
assembler: "ld #mark",
},
{
instruction: LoadExtension{Num: ExtQueue},
assembler: "ld #queue",
},
{
instruction: LoadExtension{Num: ExtLinkLayerType},
assembler: "ld #hatype",
},
{
instruction: LoadExtension{Num: ExtRXHash},
assembler: "ld #rxhash",
},
{
instruction: LoadExtension{Num: ExtCPUID},
assembler: "ld #cpu",
},
{
instruction: LoadExtension{Num: ExtVLANTag},
assembler: "ld #vlan_tci",
},
{
instruction: LoadExtension{Num: ExtVLANTagPresent},
assembler: "ld #vlan_avail",
},
{
instruction: LoadExtension{Num: ExtVLANProto},
assembler: "ld #vlan_tpid",
},
{
instruction: LoadExtension{Num: ExtRand},
assembler: "ld #rand",
},
{
instruction: LoadAbsolute{Off: 0xfffff038, Size: 4},
assembler: "ld #rand",
},
{
instruction: LoadExtension{Num: 0xfff},
assembler: "unknown instruction: bpf.LoadExtension{Num:4095}",
},
{
instruction: StoreScratch{Src: RegA, N: 3},
assembler: "st M[3]",
},
{
instruction: StoreScratch{Src: RegX, N: 3},
assembler: "stx M[3]",
},
{
instruction: StoreScratch{Src: 0xffff, N: 3},
assembler: "unknown instruction: bpf.StoreScratch{Src:0xffff, N:3}",
},
{
instruction: ALUOpConstant{Op: ALUOpAdd, Val: 42},
assembler: "add #42",
},
{
instruction: ALUOpConstant{Op: ALUOpSub, Val: 42},
assembler: "sub #42",
},
{
instruction: ALUOpConstant{Op: ALUOpMul, Val: 42},
assembler: "mul #42",
},
{
instruction: ALUOpConstant{Op: ALUOpDiv, Val: 42},
assembler: "div #42",
},
{
instruction: ALUOpConstant{Op: ALUOpOr, Val: 42},
assembler: "or #42",
},
{
instruction: ALUOpConstant{Op: ALUOpAnd, Val: 42},
assembler: "and #42",
},
{
instruction: ALUOpConstant{Op: ALUOpShiftLeft, Val: 42},
assembler: "lsh #42",
},
{
instruction: ALUOpConstant{Op: ALUOpShiftRight, Val: 42},
assembler: "rsh #42",
},
{
instruction: ALUOpConstant{Op: ALUOpMod, Val: 42},
assembler: "mod #42",
},
{
instruction: ALUOpConstant{Op: ALUOpXor, Val: 42},
assembler: "xor #42",
},
{
instruction: ALUOpConstant{Op: 0xffff, Val: 42},
assembler: "unknown instruction: bpf.ALUOpConstant{Op:0xffff, Val:0x2a}",
},
{
instruction: ALUOpX{Op: ALUOpAdd},
assembler: "add x",
},
{
instruction: ALUOpX{Op: ALUOpSub},
assembler: "sub x",
},
{
instruction: ALUOpX{Op: ALUOpMul},
assembler: "mul x",
},
{
instruction: ALUOpX{Op: ALUOpDiv},
assembler: "div x",
},
{
instruction: ALUOpX{Op: ALUOpOr},
assembler: "or x",
},
{
instruction: ALUOpX{Op: ALUOpAnd},
assembler: "and x",
},
{
instruction: ALUOpX{Op: ALUOpShiftLeft},
assembler: "lsh x",
},
{
instruction: ALUOpX{Op: ALUOpShiftRight},
assembler: "rsh x",
},
{
instruction: ALUOpX{Op: ALUOpMod},
assembler: "mod x",
},
{
instruction: ALUOpX{Op: ALUOpXor},
assembler: "xor x",
},
{
instruction: ALUOpX{Op: 0xffff},
assembler: "unknown instruction: bpf.ALUOpX{Op:0xffff}",
},
{
instruction: NegateA{},
assembler: "neg",
},
{
instruction: Jump{Skip: 10},
assembler: "ja 10",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 8, SkipFalse: 9},
assembler: "jeq #42,8,9",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 8},
assembler: "jeq #42,8",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipFalse: 8},
assembler: "jneq #42,8",
},
{
instruction: JumpIf{Cond: JumpNotEqual, Val: 42, SkipTrue: 8},
assembler: "jneq #42,8",
},
{
instruction: JumpIf{Cond: JumpLessThan, Val: 42, SkipTrue: 7},
assembler: "jlt #42,7",
},
{
instruction: JumpIf{Cond: JumpLessOrEqual, Val: 42, SkipTrue: 6},
assembler: "jle #42,6",
},
{
instruction: JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 4, SkipFalse: 5},
assembler: "jgt #42,4,5",
},
{
instruction: JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 4},
assembler: "jgt #42,4",
},
{
instruction: JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 3, SkipFalse: 4},
assembler: "jge #42,3,4",
},
{
instruction: JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 3},
assembler: "jge #42,3",
},
{
instruction: JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 2, SkipFalse: 3},
assembler: "jset #42,2,3",
},
{
instruction: JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 2},
assembler: "jset #42,2",
},
{
instruction: JumpIf{Cond: JumpBitsNotSet, Val: 42, SkipTrue: 2, SkipFalse: 3},
assembler: "jset #42,3,2",
},
{
instruction: JumpIf{Cond: JumpBitsNotSet, Val: 42, SkipTrue: 2},
assembler: "jset #42,0,2",
},
{
instruction: JumpIf{Cond: 0xffff, Val: 42, SkipTrue: 1, SkipFalse: 2},
assembler: "unknown instruction: bpf.JumpIf{Cond:0xffff, Val:0x2a, SkipTrue:0x1, SkipFalse:0x2}",
},
{
instruction: TAX{},
assembler: "tax",
},
{
instruction: TXA{},
assembler: "txa",
},
{
instruction: RetA{},
assembler: "ret a",
},
{
instruction: RetConstant{Val: 42},
assembler: "ret #42",
},
// Invalid instruction
{
instruction: InvalidInstruction{},
assembler: "unknown instruction: bpf.InvalidInstruction{}",
},
}
for _, testCase := range testCases {
if input, ok := testCase.instruction.(fmt.Stringer); ok {
got := input.String()
if got != testCase.assembler {
t.Errorf("String did not return expected assembler notation, expected: %s, got: %s", testCase.assembler, got)
}
} else {
t.Errorf("Instruction %#v is not a fmt.Stringer", testCase.instruction)
}
}
}

1
vendor/golang.org/x/net/bpf/testdata/all_instructions.bpf generated vendored
View File

@ -1 +0,0 @@
50,0 0 0 42,1 0 0 42,96 0 0 3,97 0 0 3,48 0 0 42,40 0 0 42,32 0 0 42,80 0 0 42,72 0 0 42,64 0 0 42,177 0 0 42,128 0 0 0,32 0 0 4294963200,32 0 0 4294963204,32 0 0 4294963256,2 0 0 3,3 0 0 3,4 0 0 42,20 0 0 42,36 0 0 42,52 0 0 42,68 0 0 42,84 0 0 42,100 0 0 42,116 0 0 42,148 0 0 42,164 0 0 42,12 0 0 0,28 0 0 0,44 0 0 0,60 0 0 0,76 0 0 0,92 0 0 0,108 0 0 0,124 0 0 0,156 0 0 0,172 0 0 0,132 0 0 0,5 0 0 10,21 8 9 42,21 0 8 42,53 0 7 42,37 0 6 42,37 4 5 42,53 3 4 42,69 2 3 42,7 0 0 0,135 0 0 0,22 0 0 0,6 0 0 0,

79
vendor/golang.org/x/net/bpf/testdata/all_instructions.txt generated vendored
View File

@ -1,79 +0,0 @@
# This filter is compiled to all_instructions.bpf by the `bpf_asm`
# tool, which can be found in the linux kernel source tree under
# tools/net.
# Load immediate
ld #42
ldx #42
# Load scratch
ld M[3]
ldx M[3]
# Load absolute
ldb [42]
ldh [42]
ld [42]
# Load indirect
ldb [x + 42]
ldh [x + 42]
ld [x + 42]
# Load IPv4 header length
ldx 4*([42]&0xf)
# Run extension function
ld #len
ld #proto
ld #type
ld #rand
# Store scratch
st M[3]
stx M[3]
# A <op> constant
add #42
sub #42
mul #42
div #42
or #42
and #42
lsh #42
rsh #42
mod #42
xor #42
# A <op> X
add x
sub x
mul x
div x
or x
and x
lsh x
rsh x
mod x
xor x
# !A
neg
# Jumps
ja end
jeq #42,prev,end
jne #42,end
jlt #42,end
jle #42,end
jgt #42,prev,end
jge #42,prev,end
jset #42,prev,end
# Register transfers
tax
txa
# Returns
prev: ret a
end: ret #42

512
vendor/golang.org/x/net/bpf/vm_aluop_test.go generated vendored
View File

@ -1,512 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMALUOpAdd(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAdd,
Val: 3,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
8, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 3, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpSub(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
bpf.ALUOpX{
Op: bpf.ALUOpSub,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpMul(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMul,
Val: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
6, 2, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpDiv(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpDiv,
Val: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
20, 2, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpDivByZeroALUOpConstant(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.ALUOpConstant{
Op: bpf.ALUOpDiv,
Val: 0,
},
bpf.RetA{},
})
if errStr(err) != "cannot divide by zero using ALUOpConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMALUOpDivByZeroALUOpX(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 0 into X
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
// Load byte 1 into A
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Attempt to perform 1/0
bpf.ALUOpX{
Op: bpf.ALUOpDiv,
},
// Return 4 bytes if program does not terminate
bpf.LoadConstant{
Val: 12,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpOr(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpOr,
Val: 0x01,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x00, 0x10, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08,
0x09, 0xff,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 9, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpAnd(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAnd,
Val: 0x0019,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xaa, 0x09,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpShiftLeft(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpShiftLeft,
Val: 0x01,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x02,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0xaa,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpShiftRight(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpShiftRight,
Val: 0x01,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x04,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x08, 0xff, 0xff,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpMod(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMod,
Val: 20,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
30, 0, 0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpModByZeroALUOpConstant(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMod,
Val: 0,
},
bpf.RetA{},
})
if errStr(err) != "cannot divide by zero using ALUOpConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMALUOpModByZeroALUOpX(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 0 into X
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
// Load byte 1 into A
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Attempt to perform 1%0
bpf.ALUOpX{
Op: bpf.ALUOpMod,
},
// Return 4 bytes if program does not terminate
bpf.LoadConstant{
Val: 12,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpXor(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpXor,
Val: 0x0a,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x01,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x0b, 0x00, 0x00, 0x00,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpUnknown(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAdd,
Val: 1,
},
// Verify that an unknown operation is a no-op
bpf.ALUOpConstant{
Op: 100,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x02,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

192
vendor/golang.org/x/net/bpf/vm_bpf_test.go generated vendored
View File

@ -1,192 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"net"
"runtime"
"testing"
"time"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv4"
)
// A virtualMachine is a BPF virtual machine which can process an
// input packet against a BPF program and render a verdict.
type virtualMachine interface {
Run(in []byte) (int, error)
}
// canUseOSVM indicates if the OS BPF VM is available on this platform.
func canUseOSVM() bool {
// OS BPF VM can only be used on platforms where x/net/ipv4 supports
// attaching a BPF program to a socket.
switch runtime.GOOS {
case "linux":
return true
}
return false
}
// All BPF tests against both the Go VM and OS VM are assumed to
// be used with a UDP socket. As a result, the entire contents
// of a UDP datagram is sent through the BPF program, but only
// the body after the UDP header will ever be returned in output.
// testVM sets up a Go BPF VM, and if available, a native OS BPF VM
// for integration testing.
func testVM(t *testing.T, filter []bpf.Instruction) (virtualMachine, func(), error) {
goVM, err := bpf.NewVM(filter)
if err != nil {
// Some tests expect an error, so this error must be returned
// instead of fatally exiting the test
return nil, nil, err
}
mvm := &multiVirtualMachine{
goVM: goVM,
t: t,
}
// If available, add the OS VM for tests which verify that both the Go
// VM and OS VM have exactly the same output for the same input program
// and packet.
done := func() {}
if canUseOSVM() {
osVM, osVMDone := testOSVM(t, filter)
done = func() { osVMDone() }
mvm.osVM = osVM
}
return mvm, done, nil
}
// udpHeaderLen is the length of a UDP header.
const udpHeaderLen = 8
// A multiVirtualMachine is a virtualMachine which can call out to both the Go VM
// and the native OS VM, if the OS VM is available.
type multiVirtualMachine struct {
goVM virtualMachine
osVM virtualMachine
t *testing.T
}
func (mvm *multiVirtualMachine) Run(in []byte) (int, error) {
if len(in) < udpHeaderLen {
mvm.t.Fatalf("input must be at least length of UDP header (%d), got: %d",
udpHeaderLen, len(in))
}
// All tests have a UDP header as part of input, because the OS VM
// packets always will. For the Go VM, this output is trimmed before
// being sent back to tests.
goOut, goErr := mvm.goVM.Run(in)
if goOut >= udpHeaderLen {
goOut -= udpHeaderLen
}
// If Go output is larger than the size of the packet, packet filtering
// interop tests must trim the output bytes to the length of the packet.
// The BPF VM should not do this on its own, as other uses of it do
// not trim the output byte count.
trim := len(in) - udpHeaderLen
if goOut > trim {
goOut = trim
}
// When the OS VM is not available, process using the Go VM alone
if mvm.osVM == nil {
return goOut, goErr
}
// The OS VM will apply its own UDP header, so remove the pseudo header
// that the Go VM needs.
osOut, err := mvm.osVM.Run(in[udpHeaderLen:])
if err != nil {
mvm.t.Fatalf("error while running OS VM: %v", err)
}
// Verify both VMs return same number of bytes
var mismatch bool
if goOut != osOut {
mismatch = true
mvm.t.Logf("output byte count does not match:\n- go: %v\n- os: %v", goOut, osOut)
}
if mismatch {
mvm.t.Fatal("Go BPF and OS BPF packet outputs do not match")
}
return goOut, goErr
}
// An osVirtualMachine is a virtualMachine which uses the OS's BPF VM for
// processing BPF programs.
type osVirtualMachine struct {
l net.PacketConn
s net.Conn
}
// testOSVM creates a virtualMachine which uses the OS's BPF VM by injecting
// packets into a UDP listener with a BPF program attached to it.
func testOSVM(t *testing.T, filter []bpf.Instruction) (virtualMachine, func()) {
l, err := net.ListenPacket("udp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("failed to open OS VM UDP listener: %v", err)
}
prog, err := bpf.Assemble(filter)
if err != nil {
t.Fatalf("failed to compile BPF program: %v", err)
}
p := ipv4.NewPacketConn(l)
if err = p.SetBPF(prog); err != nil {
t.Fatalf("failed to attach BPF program to listener: %v", err)
}
s, err := net.Dial("udp4", l.LocalAddr().String())
if err != nil {
t.Fatalf("failed to dial connection to listener: %v", err)
}
done := func() {
_ = s.Close()
_ = l.Close()
}
return &osVirtualMachine{
l: l,
s: s,
}, done
}
// Run sends the input bytes into the OS's BPF VM and returns its verdict.
func (vm *osVirtualMachine) Run(in []byte) (int, error) {
go func() {
_, _ = vm.s.Write(in)
}()
vm.l.SetDeadline(time.Now().Add(50 * time.Millisecond))
var b [512]byte
n, _, err := vm.l.ReadFrom(b[:])
if err != nil {
// A timeout indicates that BPF filtered out the packet, and thus,
// no input should be returned.
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
return n, nil
}
return n, err
}
return n, nil
}

49
vendor/golang.org/x/net/bpf/vm_extension_test.go generated vendored
View File

@ -1,49 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMLoadExtensionNotImplemented(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadExtension{
Num: 100,
},
bpf.RetA{},
})
if errStr(err) != "extension 100 not implemented" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadExtensionExtLen(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadExtension{
Num: bpf.ExtLen,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

380
vendor/golang.org/x/net/bpf/vm_jump_test.go generated vendored
View File

@ -1,380 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMJumpOne(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.Jump{
Skip: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.Jump{
Skip: 1,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 1 instructions; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfTrueOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIf{
Cond: bpf.JumpEqual,
SkipTrue: 2,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 2 instructions in true case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfFalseOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIf{
Cond: bpf.JumpEqual,
SkipFalse: 3,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 3 instructions in false case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 1,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfNotEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.JumpIf{
Cond: bpf.JumpNotEqual,
Val: 1,
SkipFalse: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfGreaterThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpGreaterThan,
Val: 0x00010202,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfLessThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpLessThan,
Val: 0xff010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfGreaterOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpGreaterOrEqual,
Val: 0x00010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfLessOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpLessOrEqual,
Val: 0xff010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfBitsSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.JumpIf{
Cond: bpf.JumpBitsSet,
Val: 0x1122,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfBitsNotSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.JumpIf{
Cond: bpf.JumpBitsNotSet,
Val: 0x1221,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

246
vendor/golang.org/x/net/bpf/vm_load_test.go generated vendored
View File

@ -1,246 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"net"
"testing"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv4"
)
func TestVMLoadAbsoluteOffsetOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 100,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadAbsoluteOffsetPlusSizeOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadAbsoluteBadInstructionSize(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Size: 5,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid load byte length 0" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadConstantOK(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 9,
},
bpf.TXA{},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadIndirectOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadIndirect{
Off: 100,
Size: 1,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadMemShiftOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadMemShift{
Off: 100,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
const (
dhcp4Port = 53
)
func TestVMLoadMemShiftLoadIndirectNoResult(t *testing.T) {
vm, in, done := testDHCPv4(t)
defer done()
// Append mostly empty UDP header with incorrect DHCPv4 port
in = append(in, []byte{
0, 0,
0, dhcp4Port + 1,
0, 0,
0, 0,
}...)
out, err := vm.Run(in)
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadMemShiftLoadIndirectOK(t *testing.T) {
vm, in, done := testDHCPv4(t)
defer done()
// Append mostly empty UDP header with correct DHCPv4 port
in = append(in, []byte{
0, 0,
0, dhcp4Port,
0, 0,
0, 0,
}...)
out, err := vm.Run(in)
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := len(in)-8, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func testDHCPv4(t *testing.T) (virtualMachine, []byte, func()) {
// DHCPv4 test data courtesy of David Anderson:
// https://github.com/google/netboot/blob/master/dhcp4/conn_linux.go#L59-L70
vm, done, err := testVM(t, []bpf.Instruction{
// Load IPv4 packet length
bpf.LoadMemShift{Off: 8},
// Get UDP dport
bpf.LoadIndirect{Off: 8 + 2, Size: 2},
// Correct dport?
bpf.JumpIf{Cond: bpf.JumpEqual, Val: dhcp4Port, SkipFalse: 1},
// Accept
bpf.RetConstant{Val: 1500},
// Ignore
bpf.RetConstant{Val: 0},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
// Minimal requirements to make a valid IPv4 header
h := &ipv4.Header{
Len: ipv4.HeaderLen,
Src: net.IPv4(192, 168, 1, 1),
Dst: net.IPv4(192, 168, 1, 2),
}
hb, err := h.Marshal()
if err != nil {
t.Fatalf("failed to marshal IPv4 header: %v", err)
}
hb = append([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
}, hb...)
return vm, hb, done
}

115
vendor/golang.org/x/net/bpf/vm_ret_test.go generated vendored
View File

@ -1,115 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMRetA(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
9,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetALargerThanInput(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 255,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetConstant(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetConstantLargerThanInput(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.RetConstant{
Val: 16,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

247
vendor/golang.org/x/net/bpf/vm_scratch_test.go generated vendored
View File

@ -1,247 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMStoreScratchInvalidScratchRegisterTooSmall(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: bpf.RegA,
N: -1,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot -1" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchInvalidScratchRegisterTooLarge(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: bpf.RegA,
N: 16,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot 16" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchUnknownSourceRegister(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: 100,
N: 0,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid source register 100" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchInvalidScratchRegisterTooSmall(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: bpf.RegX,
N: -1,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot -1" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchInvalidScratchRegisterTooLarge(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: bpf.RegX,
N: 16,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot 16" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchUnknownDestinationRegister(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: 100,
N: 0,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid target register 100" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchLoadScratchOneValue(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 255
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
// Copy to X and store in scratch[0]
bpf.TAX{},
bpf.StoreScratch{
Src: bpf.RegX,
N: 0,
},
// Load byte 1
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Overwrite 1 with 255 from scratch[0]
bpf.LoadScratch{
Dst: bpf.RegA,
N: 0,
},
// Return 255
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
255, 1, 2,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 3, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMStoreScratchLoadScratchMultipleValues(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 10
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
// Store in scratch[0]
bpf.StoreScratch{
Src: bpf.RegA,
N: 0,
},
// Load byte 20
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Store in scratch[1]
bpf.StoreScratch{
Src: bpf.RegA,
N: 1,
},
// Load byte 30
bpf.LoadAbsolute{
Off: 10,
Size: 1,
},
// Store in scratch[2]
bpf.StoreScratch{
Src: bpf.RegA,
N: 2,
},
// Load byte 1
bpf.LoadAbsolute{
Off: 11,
Size: 1,
},
// Store in scratch[3]
bpf.StoreScratch{
Src: bpf.RegA,
N: 3,
},
// Load in byte 10 to X
bpf.LoadScratch{
Dst: bpf.RegX,
N: 0,
},
// Copy X -> A
bpf.TXA{},
// Verify value is 10
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 10,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Load in byte 20 to A
bpf.LoadScratch{
Dst: bpf.RegA,
N: 1,
},
// Verify value is 20
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 20,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Load in byte 30 to A
bpf.LoadScratch{
Dst: bpf.RegA,
N: 2,
},
// Verify value is 30
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 30,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Return first two bytes on success
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
10, 20, 30, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

144
vendor/golang.org/x/net/bpf/vm_test.go generated vendored
View File

@ -1,144 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"fmt"
"testing"
"golang.org/x/net/bpf"
)
var _ bpf.Instruction = unknown{}
type unknown struct{}
func (unknown) Assemble() (bpf.RawInstruction, error) {
return bpf.RawInstruction{}, nil
}
func TestVMUnknownInstruction(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegA,
Val: 100,
},
// Should terminate the program with an error immediately
unknown{},
bpf.RetA{},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
defer done()
_, err = vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x00, 0x00,
})
if errStr(err) != "unknown Instruction at index 1: bpf_test.unknown" {
t.Fatalf("unexpected error while running program: %v", err)
}
}
func TestVMNoReturnInstruction(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegA,
Val: 1,
},
})
if errStr(err) != "BPF program must end with RetA or RetConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMNoInputInstructions(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{})
if errStr(err) != "one or more Instructions must be specified" {
t.Fatalf("unexpected error: %v", err)
}
}
// ExampleNewVM demonstrates usage of a VM, using an Ethernet frame
// as input and checking its EtherType to determine if it should be accepted.
func ExampleNewVM() {
// Offset | Length | Comment
// -------------------------
// 00 | 06 | Ethernet destination MAC address
// 06 | 06 | Ethernet source MAC address
// 12 | 02 | Ethernet EtherType
const (
etOff = 12
etLen = 2
etARP = 0x0806
)
// Set up a VM to filter traffic based on if its EtherType
// matches the ARP EtherType.
vm, err := bpf.NewVM([]bpf.Instruction{
// Load EtherType value from Ethernet header
bpf.LoadAbsolute{
Off: etOff,
Size: etLen,
},
// If EtherType is equal to the ARP EtherType, jump to allow
// packet to be accepted
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: etARP,
SkipTrue: 1,
},
// EtherType does not match the ARP EtherType
bpf.RetConstant{
Val: 0,
},
// EtherType matches the ARP EtherType, accept up to 1500
// bytes of packet
bpf.RetConstant{
Val: 1500,
},
})
if err != nil {
panic(fmt.Sprintf("failed to load BPF program: %v", err))
}
// Create an Ethernet frame with the ARP EtherType for testing
frame := []byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55,
0x08, 0x06,
// Payload omitted for brevity
}
// Run our VM's BPF program using the Ethernet frame as input
out, err := vm.Run(frame)
if err != nil {
panic(fmt.Sprintf("failed to accept Ethernet frame: %v", err))
}
// BPF VM can return a byte count greater than the number of input
// bytes, so trim the output to match the input byte length
if out > len(frame) {
out = len(frame)
}
fmt.Printf("out: %d bytes", out)
// Output:
// out: 14 bytes
}
// errStr returns the string representation of an error, or
// "<nil>" if it is nil.
func errStr(err error) string {
if err == nil {
return "<nil>"
}
return err.Error()
}

274
vendor/golang.org/x/net/icmp/diag_test.go generated vendored
View File

@ -1,274 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp_test
import (
"errors"
"fmt"
"net"
"os"
"runtime"
"sync"
"testing"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
type diagTest struct {
network, address string
protocol int
m icmp.Message
}
func TestDiag(t *testing.T) {
if testing.Short() {
t.Skip("avoid external network")
}
t.Run("Ping/NonPrivileged", func(t *testing.T) {
switch runtime.GOOS {
case "darwin":
case "linux":
t.Log("you may need to adjust the net.ipv4.ping_group_range kernel state")
default:
t.Logf("not supported on %s", runtime.GOOS)
return
}
for i, dt := range []diagTest{
{
"udp4", "0.0.0.0", iana.ProtocolICMP,
icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
},
},
{
"udp6", "::", iana.ProtocolIPv6ICMP,
icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
},
},
} {
if err := doDiag(dt, i); err != nil {
t.Error(err)
}
}
})
t.Run("Ping/Privileged", func(t *testing.T) {
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
for i, dt := range []diagTest{
{
"ip4:icmp", "0.0.0.0", iana.ProtocolICMP,
icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
},
},
{
"ip6:ipv6-icmp", "::", iana.ProtocolIPv6ICMP,
icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
},
},
} {
if err := doDiag(dt, i); err != nil {
t.Error(err)
}
}
})
t.Run("Probe/Privileged", func(t *testing.T) {
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
for i, dt := range []diagTest{
{
"ip4:icmp", "0.0.0.0", iana.ProtocolICMP,
icmp.Message{
Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: os.Getpid() & 0xffff,
Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3, Type: 1,
Name: "doesnotexist",
},
},
},
},
},
{
"ip6:ipv6-icmp", "::", iana.ProtocolIPv6ICMP,
icmp.Message{
Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: os.Getpid() & 0xffff,
Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3, Type: 1,
Name: "doesnotexist",
},
},
},
},
},
} {
if err := doDiag(dt, i); err != nil {
t.Error(err)
}
}
})
}
func doDiag(dt diagTest, seq int) error {
c, err := icmp.ListenPacket(dt.network, dt.address)
if err != nil {
return err
}
defer c.Close()
dst, err := googleAddr(c, dt.protocol)
if err != nil {
return err
}
if dt.network != "udp6" && dt.protocol == iana.ProtocolIPv6ICMP {
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeDestinationUnreachable)
f.Accept(ipv6.ICMPTypePacketTooBig)
f.Accept(ipv6.ICMPTypeTimeExceeded)
f.Accept(ipv6.ICMPTypeParameterProblem)
f.Accept(ipv6.ICMPTypeEchoReply)
f.Accept(ipv6.ICMPTypeExtendedEchoReply)
if err := c.IPv6PacketConn().SetICMPFilter(&f); err != nil {
return err
}
}
switch m := dt.m.Body.(type) {
case *icmp.Echo:
m.Seq = 1 << uint(seq)
case *icmp.ExtendedEchoRequest:
m.Seq = 1 << uint(seq)
}
wb, err := dt.m.Marshal(nil)
if err != nil {
return err
}
if n, err := c.WriteTo(wb, dst); err != nil {
return err
} else if n != len(wb) {
return fmt.Errorf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 1500)
if err := c.SetReadDeadline(time.Now().Add(3 * time.Second)); err != nil {
return err
}
n, peer, err := c.ReadFrom(rb)
if err != nil {
return err
}
rm, err := icmp.ParseMessage(dt.protocol, rb[:n])
if err != nil {
return err
}
switch {
case dt.m.Type == ipv4.ICMPTypeEcho && rm.Type == ipv4.ICMPTypeEchoReply:
fallthrough
case dt.m.Type == ipv6.ICMPTypeEchoRequest && rm.Type == ipv6.ICMPTypeEchoReply:
fallthrough
case dt.m.Type == ipv4.ICMPTypeExtendedEchoRequest && rm.Type == ipv4.ICMPTypeExtendedEchoReply:
fallthrough
case dt.m.Type == ipv6.ICMPTypeExtendedEchoRequest && rm.Type == ipv6.ICMPTypeExtendedEchoReply:
return nil
default:
return fmt.Errorf("got %+v from %v; want echo reply or extended echo reply", rm, peer)
}
}
func googleAddr(c *icmp.PacketConn, protocol int) (net.Addr, error) {
host := "ipv4.google.com"
if protocol == iana.ProtocolIPv6ICMP {
host = "ipv6.google.com"
}
ips, err := net.LookupIP(host)
if err != nil {
return nil, err
}
netaddr := func(ip net.IP) (net.Addr, error) {
switch c.LocalAddr().(type) {
case *net.UDPAddr:
return &net.UDPAddr{IP: ip}, nil
case *net.IPAddr:
return &net.IPAddr{IP: ip}, nil
default:
return nil, errors.New("neither UDPAddr nor IPAddr")
}
}
if len(ips) > 0 {
return netaddr(ips[0])
}
return nil, errors.New("no A or AAAA record")
}
func TestConcurrentNonPrivilegedListenPacket(t *testing.T) {
if testing.Short() {
t.Skip("avoid external network")
}
switch runtime.GOOS {
case "darwin":
case "linux":
t.Log("you may need to adjust the net.ipv4.ping_group_range kernel state")
default:
t.Skipf("not supported on %s", runtime.GOOS)
}
network, address := "udp4", "127.0.0.1"
if !nettest.SupportsIPv4() {
network, address = "udp6", "::1"
}
const N = 1000
var wg sync.WaitGroup
wg.Add(N)
for i := 0; i < N; i++ {
go func() {
defer wg.Done()
c, err := icmp.ListenPacket(network, address)
if err != nil {
t.Error(err)
return
}
c.Close()
}()
}
wg.Wait()
}

63
vendor/golang.org/x/net/icmp/example_test.go generated vendored
View File

@ -1,63 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp_test
import (
"log"
"net"
"os"
"runtime"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv6"
)
func ExamplePacketConn_nonPrivilegedPing() {
switch runtime.GOOS {
case "darwin":
case "linux":
log.Println("you may need to adjust the net.ipv4.ping_group_range kernel state")
default:
log.Println("not supported on", runtime.GOOS)
return
}
c, err := icmp.ListenPacket("udp6", "fe80::1%en0")
if err != nil {
log.Fatal(err)
}
defer c.Close()
wm := icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: 1,
Data: []byte("HELLO-R-U-THERE"),
},
}
wb, err := wm.Marshal(nil)
if err != nil {
log.Fatal(err)
}
if _, err := c.WriteTo(wb, &net.UDPAddr{IP: net.ParseIP("ff02::1"), Zone: "en0"}); err != nil {
log.Fatal(err)
}
rb := make([]byte, 1500)
n, peer, err := c.ReadFrom(rb)
if err != nil {
log.Fatal(err)
}
rm, err := icmp.ParseMessage(58, rb[:n])
if err != nil {
log.Fatal(err)
}
switch rm.Type {
case ipv6.ICMPTypeEchoReply:
log.Printf("got reflection from %v", peer)
default:
log.Printf("got %+v; want echo reply", rm)
}
}

333
vendor/golang.org/x/net/icmp/extension_test.go generated vendored
View File

@ -1,333 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp
import (
"fmt"
"net"
"reflect"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
func TestMarshalAndParseExtension(t *testing.T) {
fn := func(t *testing.T, proto int, typ Type, hdr, obj []byte, te Extension) error {
b, err := te.Marshal(proto)
if err != nil {
return err
}
if !reflect.DeepEqual(b, obj) {
return fmt.Errorf("got %#v; want %#v", b, obj)
}
switch typ {
case ipv4.ICMPTypeExtendedEchoRequest, ipv6.ICMPTypeExtendedEchoRequest:
exts, l, err := parseExtensions(typ, append(hdr, obj...), 0)
if err != nil {
return err
}
if l != 0 {
return fmt.Errorf("got %d; want 0", l)
}
if !reflect.DeepEqual(exts, []Extension{te}) {
return fmt.Errorf("got %#v; want %#v", exts[0], te)
}
default:
for i, wire := range []struct {
data []byte // original datagram
inlattr int // length of padded original datagram, a hint
outlattr int // length of padded original datagram, a want
err error
}{
{nil, 0, -1, errNoExtension},
{make([]byte, 127), 128, -1, errNoExtension},
{make([]byte, 128), 127, -1, errNoExtension},
{make([]byte, 128), 128, -1, errNoExtension},
{make([]byte, 128), 129, -1, errNoExtension},
{append(make([]byte, 128), append(hdr, obj...)...), 127, 128, nil},
{append(make([]byte, 128), append(hdr, obj...)...), 128, 128, nil},
{append(make([]byte, 128), append(hdr, obj...)...), 129, 128, nil},
{append(make([]byte, 512), append(hdr, obj...)...), 511, -1, errNoExtension},
{append(make([]byte, 512), append(hdr, obj...)...), 512, 512, nil},
{append(make([]byte, 512), append(hdr, obj...)...), 513, -1, errNoExtension},
} {
exts, l, err := parseExtensions(typ, wire.data, wire.inlattr)
if err != wire.err {
return fmt.Errorf("#%d: got %v; want %v", i, err, wire.err)
}
if wire.err != nil {
continue
}
if l != wire.outlattr {
return fmt.Errorf("#%d: got %d; want %d", i, l, wire.outlattr)
}
if !reflect.DeepEqual(exts, []Extension{te}) {
return fmt.Errorf("#%d: got %#v; want %#v", i, exts[0], te)
}
}
}
return nil
}
t.Run("MPLSLabelStack", func(t *testing.T) {
for _, et := range []struct {
proto int
typ Type
hdr []byte
obj []byte
ext Extension
}{
// MPLS label stack with no label
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x04, 0x01, 0x01,
},
ext: &MPLSLabelStack{
Class: classMPLSLabelStack,
Type: typeIncomingMPLSLabelStack,
},
},
// MPLS label stack with a single label
{
proto: iana.ProtocolIPv6ICMP,
typ: ipv6.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x08, 0x01, 0x01,
0x03, 0xe8, 0xe9, 0xff,
},
ext: &MPLSLabelStack{
Class: classMPLSLabelStack,
Type: typeIncomingMPLSLabelStack,
Labels: []MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
},
// MPLS label stack with multiple labels
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x0c, 0x01, 0x01,
0x03, 0xe8, 0xde, 0xfe,
0x03, 0xe8, 0xe1, 0xff,
},
ext: &MPLSLabelStack{
Class: classMPLSLabelStack,
Type: typeIncomingMPLSLabelStack,
Labels: []MPLSLabel{
{
Label: 16013,
TC: 0x7,
S: false,
TTL: 254,
},
{
Label: 16014,
TC: 0,
S: true,
TTL: 255,
},
},
},
},
} {
if err := fn(t, et.proto, et.typ, et.hdr, et.obj, et.ext); err != nil {
t.Error(err)
}
}
})
t.Run("InterfaceInfo", func(t *testing.T) {
for _, et := range []struct {
proto int
typ Type
hdr []byte
obj []byte
ext Extension
}{
// Interface information with no attribute
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x04, 0x02, 0x00,
},
ext: &InterfaceInfo{
Class: classInterfaceInfo,
},
},
// Interface information with ifIndex and name
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x10, 0x02, 0x0a,
0x00, 0x00, 0x00, 0x10,
0x08, byte('e'), byte('n'), byte('1'),
byte('0'), byte('1'), 0x00, 0x00,
},
ext: &InterfaceInfo{
Class: classInterfaceInfo,
Type: 0x0a,
Interface: &net.Interface{
Index: 16,
Name: "en101",
},
},
},
// Interface information with ifIndex, IPAddr, name and MTU
{
proto: iana.ProtocolIPv6ICMP,
typ: ipv6.ICMPTypeDestinationUnreachable,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x28, 0x02, 0x0f,
0x00, 0x00, 0x00, 0x0f,
0x00, 0x02, 0x00, 0x00,
0xfe, 0x80, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0x08, byte('e'), byte('n'), byte('1'),
byte('0'), byte('1'), 0x00, 0x00,
0x00, 0x00, 0x20, 0x00,
},
ext: &InterfaceInfo{
Class: classInterfaceInfo,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.ParseIP("fe80::1"),
Zone: "en101",
},
},
},
} {
if err := fn(t, et.proto, et.typ, et.hdr, et.obj, et.ext); err != nil {
t.Error(err)
}
}
})
t.Run("InterfaceIdent", func(t *testing.T) {
for _, et := range []struct {
proto int
typ Type
hdr []byte
obj []byte
ext Extension
}{
// Interface identification by name
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeExtendedEchoRequest,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x0c, 0x03, 0x01,
byte('e'), byte('n'), byte('1'), byte('0'),
byte('1'), 0x00, 0x00, 0x00,
},
ext: &InterfaceIdent{
Class: classInterfaceIdent,
Type: typeInterfaceByName,
Name: "en101",
},
},
// Interface identification by index
{
proto: iana.ProtocolIPv6ICMP,
typ: ipv6.ICMPTypeExtendedEchoRequest,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x0c, 0x03, 0x02,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x03, 0x8f,
},
ext: &InterfaceIdent{
Class: classInterfaceIdent,
Type: typeInterfaceByIndex,
Index: 911,
},
},
// Interface identification by address
{
proto: iana.ProtocolICMP,
typ: ipv4.ICMPTypeExtendedEchoRequest,
hdr: []byte{
0x20, 0x00, 0x00, 0x00,
},
obj: []byte{
0x00, 0x10, 0x03, 0x03,
byte(iana.AddrFamily48bitMAC >> 8), byte(iana.AddrFamily48bitMAC & 0x0f), 0x06, 0x00,
0x01, 0x23, 0x45, 0x67,
0x89, 0xab, 0x00, 0x00,
},
ext: &InterfaceIdent{
Class: classInterfaceIdent,
Type: typeInterfaceByAddress,
AFI: iana.AddrFamily48bitMAC,
Addr: []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab},
},
},
} {
if err := fn(t, et.proto, et.typ, et.hdr, et.obj, et.ext); err != nil {
t.Error(err)
}
}
})
}
func TestParseInterfaceName(t *testing.T) {
ifi := InterfaceInfo{Interface: &net.Interface{}}
for i, tt := range []struct {
b []byte
error
}{
{[]byte{0, 'e', 'n', '0'}, errInvalidExtension},
{[]byte{4, 'e', 'n', '0'}, nil},
{[]byte{7, 'e', 'n', '0', 0xff, 0xff, 0xff, 0xff}, errInvalidExtension},
{[]byte{8, 'e', 'n', '0', 0xff, 0xff, 0xff}, errMessageTooShort},
} {
if _, err := ifi.parseName(tt.b); err != tt.error {
t.Errorf("#%d: got %v; want %v", i, err, tt.error)
}
}
}

75
vendor/golang.org/x/net/icmp/ipv4_test.go generated vendored
View File

@ -1,75 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp
import (
"encoding/binary"
"net"
"reflect"
"runtime"
"testing"
"golang.org/x/net/internal/socket"
"golang.org/x/net/ipv4"
)
func TestParseIPv4Header(t *testing.T) {
switch socket.NativeEndian {
case binary.LittleEndian:
t.Run("LittleEndian", func(t *testing.T) {
// TODO(mikio): Add platform dependent wire
// header formats when we support new
// platforms.
wireHeaderFromKernel := [ipv4.HeaderLen]byte{
0x45, 0x01, 0xbe, 0xef,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
wireHeaderFromTradBSDKernel := [ipv4.HeaderLen]byte{
0x45, 0x01, 0xef, 0xbe,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
}
th := &ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TOS: 1,
TotalLen: 0xbeef,
ID: 0xcafe,
Flags: ipv4.DontFragment,
FragOff: 1500,
TTL: 255,
Protocol: 1,
Checksum: 0xdead,
Src: net.IPv4(172, 16, 254, 254),
Dst: net.IPv4(192, 168, 0, 1),
}
var wh []byte
switch runtime.GOOS {
case "darwin":
wh = wireHeaderFromTradBSDKernel[:]
case "freebsd":
if freebsdVersion >= 1000000 {
wh = wireHeaderFromKernel[:]
} else {
wh = wireHeaderFromTradBSDKernel[:]
}
default:
wh = wireHeaderFromKernel[:]
}
h, err := ParseIPv4Header(wh)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(h, th) {
t.Fatalf("got %#v; want %#v", h, th)
}
})
}
}

155
vendor/golang.org/x/net/icmp/message_test.go generated vendored
View File

@ -1,155 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp_test
import (
"net"
"reflect"
"testing"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
func TestMarshalAndParseMessage(t *testing.T) {
fn := func(t *testing.T, proto int, tms []icmp.Message) {
var pshs [][]byte
switch proto {
case iana.ProtocolICMP:
pshs = [][]byte{nil}
case iana.ProtocolIPv6ICMP:
pshs = [][]byte{
icmp.IPv6PseudoHeader(net.ParseIP("fe80::1"), net.ParseIP("ff02::1")),
nil,
}
}
for i, tm := range tms {
for _, psh := range pshs {
b, err := tm.Marshal(psh)
if err != nil {
t.Fatal(err)
}
m, err := icmp.ParseMessage(proto, b)
if err != nil {
t.Fatal(err)
}
if m.Type != tm.Type || m.Code != tm.Code {
t.Errorf("#%d: got %#v; want %#v", i, m, &tm)
}
if !reflect.DeepEqual(m.Body, tm.Body) {
t.Errorf("#%d: got %#v; want %#v", i, m.Body, tm.Body)
}
}
}
}
t.Run("IPv4", func(t *testing.T) {
fn(t, iana.ProtocolICMP,
[]icmp.Message{
{
Type: ipv4.ICMPTypeDestinationUnreachable, Code: 15,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeParameterProblem, Code: 2,
Body: &icmp.ParamProb{
Pointer: 8,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: 1, Seq: 2,
Data: []byte("HELLO-R-U-THERE"),
},
},
{
Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2,
},
},
{
Type: ipv4.ICMPTypeExtendedEchoReply, Code: 0,
Body: &icmp.ExtendedEchoReply{
State: 4 /* Delay */, Active: true, IPv4: true,
},
},
{
Type: ipv4.ICMPTypePhoturis,
Body: &icmp.DefaultMessageBody{
Data: []byte{0x80, 0x40, 0x20, 0x10},
},
},
})
})
t.Run("IPv6", func(t *testing.T) {
fn(t, iana.ProtocolIPv6ICMP,
[]icmp.Message{
{
Type: ipv6.ICMPTypeDestinationUnreachable, Code: 6,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypePacketTooBig, Code: 0,
Body: &icmp.PacketTooBig{
MTU: 1<<16 - 1,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeParameterProblem, Code: 2,
Body: &icmp.ParamProb{
Pointer: 8,
Data: []byte("ERROR-INVOKING-PACKET"),
},
},
{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: 1, Seq: 2,
Data: []byte("HELLO-R-U-THERE"),
},
},
{
Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2,
},
},
{
Type: ipv6.ICMPTypeExtendedEchoReply, Code: 0,
Body: &icmp.ExtendedEchoReply{
State: 5 /* Probe */, Active: true, IPv6: true,
},
},
{
Type: ipv6.ICMPTypeDuplicateAddressConfirmation,
Body: &icmp.DefaultMessageBody{
Data: []byte{0x80, 0x40, 0x20, 0x10},
},
},
})
})
}

575
vendor/golang.org/x/net/icmp/multipart_test.go generated vendored
View File

@ -1,575 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package icmp_test
import (
"errors"
"fmt"
"net"
"reflect"
"testing"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/ipv4"
"golang.org/x/net/ipv6"
)
func TestMarshalAndParseMultipartMessage(t *testing.T) {
fn := func(t *testing.T, proto int, tm icmp.Message) error {
b, err := tm.Marshal(nil)
if err != nil {
return err
}
switch tm.Type {
case ipv4.ICMPTypeExtendedEchoRequest, ipv6.ICMPTypeExtendedEchoRequest:
default:
switch proto {
case iana.ProtocolICMP:
if b[5] != 32 {
return fmt.Errorf("got %d; want 32", b[5])
}
case iana.ProtocolIPv6ICMP:
if b[4] != 16 {
return fmt.Errorf("got %d; want 16", b[4])
}
default:
return fmt.Errorf("unknown protocol: %d", proto)
}
}
m, err := icmp.ParseMessage(proto, b)
if err != nil {
return err
}
if m.Type != tm.Type || m.Code != tm.Code {
return fmt.Errorf("got %v; want %v", m, &tm)
}
switch m.Type {
case ipv4.ICMPTypeExtendedEchoRequest, ipv6.ICMPTypeExtendedEchoRequest:
got, want := m.Body.(*icmp.ExtendedEchoRequest), tm.Body.(*icmp.ExtendedEchoRequest)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
case ipv4.ICMPTypeDestinationUnreachable:
got, want := m.Body.(*icmp.DstUnreach), tm.Body.(*icmp.DstUnreach)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
if len(got.Data) != 128 {
return fmt.Errorf("got %d; want 128", len(got.Data))
}
case ipv4.ICMPTypeTimeExceeded:
got, want := m.Body.(*icmp.TimeExceeded), tm.Body.(*icmp.TimeExceeded)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
if len(got.Data) != 128 {
return fmt.Errorf("got %d; want 128", len(got.Data))
}
case ipv4.ICMPTypeParameterProblem:
got, want := m.Body.(*icmp.ParamProb), tm.Body.(*icmp.ParamProb)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
if len(got.Data) != 128 {
return fmt.Errorf("got %d; want 128", len(got.Data))
}
case ipv6.ICMPTypeDestinationUnreachable:
got, want := m.Body.(*icmp.DstUnreach), tm.Body.(*icmp.DstUnreach)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
if len(got.Data) != 128 {
return fmt.Errorf("got %d; want 128", len(got.Data))
}
case ipv6.ICMPTypeTimeExceeded:
got, want := m.Body.(*icmp.TimeExceeded), tm.Body.(*icmp.TimeExceeded)
if !reflect.DeepEqual(got.Extensions, want.Extensions) {
return errors.New(dumpExtensions(got.Extensions, want.Extensions))
}
if len(got.Data) != 128 {
return fmt.Errorf("got %d; want 128", len(got.Data))
}
default:
return fmt.Errorf("unknown message type: %v", m.Type)
}
return nil
}
t.Run("IPv4", func(t *testing.T) {
for i, tm := range []icmp.Message{
{
Type: ipv4.ICMPTypeDestinationUnreachable, Code: 15,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{
Class: 1,
Type: 1,
Labels: []icmp.MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
&icmp.InterfaceInfo{
Class: 2,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.IPv4(192, 168, 0, 1).To4(),
},
},
},
},
},
{
Type: ipv4.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
Extensions: []icmp.Extension{
&icmp.InterfaceInfo{
Class: 2,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.IPv4(192, 168, 0, 1).To4(),
},
},
&icmp.MPLSLabelStack{
Class: 1,
Type: 1,
Labels: []icmp.MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
},
},
},
{
Type: ipv4.ICMPTypeParameterProblem, Code: 2,
Body: &icmp.ParamProb{
Pointer: 8,
Data: []byte("ERROR-INVOKING-PACKET"),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{
Class: 1,
Type: 1,
Labels: []icmp.MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
&icmp.InterfaceInfo{
Class: 2,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.IPv4(192, 168, 0, 1).To4(),
},
},
&icmp.InterfaceInfo{
Class: 2,
Type: 0x2f,
Interface: &net.Interface{
Index: 16,
Name: "en102",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.IPv4(192, 168, 0, 2).To4(),
},
},
},
},
},
{
Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2, Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 1,
Name: "en101",
},
},
},
},
{
Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2, Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 2,
Index: 911,
},
&icmp.InterfaceIdent{
Class: 3,
Type: 1,
Name: "en101",
},
},
},
},
{
Type: ipv4.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 3,
AFI: iana.AddrFamily48bitMAC,
Addr: []byte{0x01, 0x23, 0x45, 0x67, 0x89, 0xab},
},
},
},
},
} {
if err := fn(t, iana.ProtocolICMP, tm); err != nil {
t.Errorf("#%d: %v", i, err)
}
}
})
t.Run("IPv6", func(t *testing.T) {
for i, tm := range []icmp.Message{
{
Type: ipv6.ICMPTypeDestinationUnreachable, Code: 6,
Body: &icmp.DstUnreach{
Data: []byte("ERROR-INVOKING-PACKET"),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{
Class: 1,
Type: 1,
Labels: []icmp.MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
&icmp.InterfaceInfo{
Class: 2,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.ParseIP("fe80::1"),
Zone: "en101",
},
},
},
},
},
{
Type: ipv6.ICMPTypeTimeExceeded, Code: 1,
Body: &icmp.TimeExceeded{
Data: []byte("ERROR-INVOKING-PACKET"),
Extensions: []icmp.Extension{
&icmp.InterfaceInfo{
Class: 2,
Type: 0x0f,
Interface: &net.Interface{
Index: 15,
Name: "en101",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.ParseIP("fe80::1"),
Zone: "en101",
},
},
&icmp.MPLSLabelStack{
Class: 1,
Type: 1,
Labels: []icmp.MPLSLabel{
{
Label: 16014,
TC: 0x4,
S: true,
TTL: 255,
},
},
},
&icmp.InterfaceInfo{
Class: 2,
Type: 0x2f,
Interface: &net.Interface{
Index: 16,
Name: "en102",
MTU: 8192,
},
Addr: &net.IPAddr{
IP: net.ParseIP("fe80::1"),
Zone: "en102",
},
},
},
},
},
{
Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2, Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 1,
Name: "en101",
},
},
},
},
{
Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2, Local: true,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 1,
Name: "en101",
},
&icmp.InterfaceIdent{
Class: 3,
Type: 2,
Index: 911,
},
},
},
},
{
Type: ipv6.ICMPTypeExtendedEchoRequest, Code: 0,
Body: &icmp.ExtendedEchoRequest{
ID: 1, Seq: 2,
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Class: 3,
Type: 3,
AFI: iana.AddrFamilyIPv4,
Addr: []byte{192, 0, 2, 1},
},
},
},
},
} {
if err := fn(t, iana.ProtocolIPv6ICMP, tm); err != nil {
t.Errorf("#%d: %v", i, err)
}
}
})
}
func dumpExtensions(gotExts, wantExts []icmp.Extension) string {
var s string
for i, got := range gotExts {
switch got := got.(type) {
case *icmp.MPLSLabelStack:
want := wantExts[i].(*icmp.MPLSLabelStack)
if !reflect.DeepEqual(got, want) {
s += fmt.Sprintf("#%d: got %#v; want %#v\n", i, got, want)
}
case *icmp.InterfaceInfo:
want := wantExts[i].(*icmp.InterfaceInfo)
if !reflect.DeepEqual(got, want) {
s += fmt.Sprintf("#%d: got %#v, %#v, %#v; want %#v, %#v, %#v\n", i, got, got.Interface, got.Addr, want, want.Interface, want.Addr)
}
case *icmp.InterfaceIdent:
want := wantExts[i].(*icmp.InterfaceIdent)
if !reflect.DeepEqual(got, want) {
s += fmt.Sprintf("#%d: got %#v; want %#v\n", i, got, want)
}
}
}
if len(s) == 0 {
return "<nil>"
}
return s[:len(s)-1]
}
func TestMultipartMessageBodyLen(t *testing.T) {
for i, tt := range []struct {
proto int
in icmp.MessageBody
out int
}{
{
iana.ProtocolICMP,
&icmp.DstUnreach{
Data: make([]byte, ipv4.HeaderLen),
},
4 + ipv4.HeaderLen, // unused and original datagram
},
{
iana.ProtocolICMP,
&icmp.TimeExceeded{
Data: make([]byte, ipv4.HeaderLen),
},
4 + ipv4.HeaderLen, // unused and original datagram
},
{
iana.ProtocolICMP,
&icmp.ParamProb{
Data: make([]byte, ipv4.HeaderLen),
},
4 + ipv4.HeaderLen, // [pointer, unused] and original datagram
},
{
iana.ProtocolICMP,
&icmp.ParamProb{
Data: make([]byte, ipv4.HeaderLen),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 128, // [pointer, length, unused], extension header, object header, object payload, original datagram
},
{
iana.ProtocolICMP,
&icmp.ParamProb{
Data: make([]byte, 128),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 128, // [pointer, length, unused], extension header, object header, object payload and original datagram
},
{
iana.ProtocolICMP,
&icmp.ParamProb{
Data: make([]byte, 129),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 132, // [pointer, length, unused], extension header, object header, object payload and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.DstUnreach{
Data: make([]byte, ipv6.HeaderLen),
},
4 + ipv6.HeaderLen, // unused and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.PacketTooBig{
Data: make([]byte, ipv6.HeaderLen),
},
4 + ipv6.HeaderLen, // mtu and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.TimeExceeded{
Data: make([]byte, ipv6.HeaderLen),
},
4 + ipv6.HeaderLen, // unused and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.ParamProb{
Data: make([]byte, ipv6.HeaderLen),
},
4 + ipv6.HeaderLen, // pointer and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.DstUnreach{
Data: make([]byte, 127),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 128, // [length, unused], extension header, object header, object payload and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.DstUnreach{
Data: make([]byte, 128),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 128, // [length, unused], extension header, object header, object payload and original datagram
},
{
iana.ProtocolIPv6ICMP,
&icmp.DstUnreach{
Data: make([]byte, 129),
Extensions: []icmp.Extension{
&icmp.MPLSLabelStack{},
},
},
4 + 4 + 4 + 0 + 136, // [length, unused], extension header, object header, object payload and original datagram
},
{
iana.ProtocolICMP,
&icmp.ExtendedEchoRequest{},
4, // [id, seq, l-bit]
},
{
iana.ProtocolICMP,
&icmp.ExtendedEchoRequest{
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{},
},
},
4 + 4 + 4, // [id, seq, l-bit], extension header, object header
},
{
iana.ProtocolIPv6ICMP,
&icmp.ExtendedEchoRequest{
Extensions: []icmp.Extension{
&icmp.InterfaceIdent{
Type: 3,
AFI: iana.AddrFamilyNSAP,
Addr: []byte{0x49, 0x00, 0x01, 0xaa, 0xaa, 0xbb, 0xbb, 0xcc, 0xcc, 0x00},
},
},
},
4 + 4 + 4 + 16, // [id, seq, l-bit], extension header, object header, object payload
},
} {
if out := tt.in.Len(tt.proto); out != tt.out {
t.Errorf("#%d: got %d; want %d", i, out, tt.out)
}
}
}

53
vendor/golang.org/x/net/internal/nettest/helper_bsd.go generated vendored
View File

@ -1,53 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd netbsd openbsd
package nettest
import (
"runtime"
"strconv"
"strings"
"syscall"
)
var darwinVersion int
func init() {
if runtime.GOOS == "darwin" {
// See http://support.apple.com/kb/HT1633.
s, err := syscall.Sysctl("kern.osrelease")
if err != nil {
return
}
ss := strings.Split(s, ".")
if len(ss) == 0 {
return
}
darwinVersion, _ = strconv.Atoi(ss[0])
}
}
func supportsIPv6MulticastDeliveryOnLoopback() bool {
switch runtime.GOOS {
case "freebsd":
// See http://www.freebsd.org/cgi/query-pr.cgi?pr=180065.
// Even after the fix, it looks like the latest
// kernels don't deliver link-local scoped multicast
// packets correctly.
return false
case "darwin":
return !causesIPv6Crash()
default:
return true
}
}
func causesIPv6Crash() bool {
// We see some kernel crash when running IPv6 with IP-level
// options on Darwin kernel version 12 or below.
// See golang.org/issues/17015.
return darwinVersion < 13
}

15
vendor/golang.org/x/net/internal/nettest/helper_nobsd.go generated vendored
View File

@ -1,15 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux solaris
package nettest
func supportsIPv6MulticastDeliveryOnLoopback() bool {
return true
}
func causesIPv6Crash() bool {
return false
}

31
vendor/golang.org/x/net/internal/nettest/helper_posix.go generated vendored
View File

@ -1,31 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
package nettest
import (
"os"
"syscall"
)
func protocolNotSupported(err error) bool {
switch err := err.(type) {
case syscall.Errno:
switch err {
case syscall.EPROTONOSUPPORT, syscall.ENOPROTOOPT:
return true
}
case *os.SyscallError:
switch err := err.Err.(type) {
case syscall.Errno:
switch err {
case syscall.EPROTONOSUPPORT, syscall.ENOPROTOOPT:
return true
}
}
}
return false
}

32
vendor/golang.org/x/net/internal/nettest/helper_stub.go generated vendored
View File

@ -1,32 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build js,wasm nacl plan9
package nettest
import (
"fmt"
"runtime"
)
func maxOpenFiles() int {
return defaultMaxOpenFiles
}
func supportsRawIPSocket() (string, bool) {
return fmt.Sprintf("not supported on %s", runtime.GOOS), false
}
func supportsIPv6MulticastDeliveryOnLoopback() bool {
return false
}
func causesIPv6Crash() bool {
return false
}
func protocolNotSupported(err error) bool {
return false
}

29
vendor/golang.org/x/net/internal/nettest/helper_unix.go generated vendored
View File

@ -1,29 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package nettest
import (
"fmt"
"os"
"runtime"
"syscall"
)
func maxOpenFiles() int {
var rlim syscall.Rlimit
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
return defaultMaxOpenFiles
}
return int(rlim.Cur)
}
func supportsRawIPSocket() (string, bool) {
if os.Getuid() != 0 {
return fmt.Sprintf("must be root on %s", runtime.GOOS), false
}
return "", true
}

42
vendor/golang.org/x/net/internal/nettest/helper_windows.go generated vendored
View File

@ -1,42 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package nettest
import (
"fmt"
"runtime"
"syscall"
)
func maxOpenFiles() int {
return 4 * defaultMaxOpenFiles /* actually it's 16581375 */
}
func supportsRawIPSocket() (string, bool) {
// From http://msdn.microsoft.com/en-us/library/windows/desktop/ms740548.aspx:
// Note: To use a socket of type SOCK_RAW requires administrative privileges.
// Users running Winsock applications that use raw sockets must be a member of
// the Administrators group on the local computer, otherwise raw socket calls
// will fail with an error code of WSAEACCES. On Windows Vista and later, access
// for raw sockets is enforced at socket creation. In earlier versions of Windows,
// access for raw sockets is enforced during other socket operations.
s, err := syscall.Socket(syscall.AF_INET, syscall.SOCK_RAW, 0)
if err == syscall.WSAEACCES {
return fmt.Sprintf("no access to raw socket allowed on %s", runtime.GOOS), false
}
if err != nil {
return err.Error(), false
}
syscall.Closesocket(s)
return "", true
}
func supportsIPv6MulticastDeliveryOnLoopback() bool {
return true
}
func causesIPv6Crash() bool {
return false
}

94
vendor/golang.org/x/net/internal/nettest/interface.go generated vendored
View File

@ -1,94 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package nettest
import "net"
// IsMulticastCapable reports whether ifi is an IP multicast-capable
// network interface. Network must be "ip", "ip4" or "ip6".
func IsMulticastCapable(network string, ifi *net.Interface) (net.IP, bool) {
switch network {
case "ip", "ip4", "ip6":
default:
return nil, false
}
if ifi == nil || ifi.Flags&net.FlagUp == 0 || ifi.Flags&net.FlagMulticast == 0 {
return nil, false
}
return hasRoutableIP(network, ifi)
}
// RoutedInterface returns a network interface that can route IP
// traffic and satisfies flags. It returns nil when an appropriate
// network interface is not found. Network must be "ip", "ip4" or
// "ip6".
func RoutedInterface(network string, flags net.Flags) *net.Interface {
switch network {
case "ip", "ip4", "ip6":
default:
return nil
}
ift, err := net.Interfaces()
if err != nil {
return nil
}
for _, ifi := range ift {
if ifi.Flags&flags != flags {
continue
}
if _, ok := hasRoutableIP(network, &ifi); !ok {
continue
}
return &ifi
}
return nil
}
func hasRoutableIP(network string, ifi *net.Interface) (net.IP, bool) {
ifat, err := ifi.Addrs()
if err != nil {
return nil, false
}
for _, ifa := range ifat {
switch ifa := ifa.(type) {
case *net.IPAddr:
if ip := routableIP(network, ifa.IP); ip != nil {
return ip, true
}
case *net.IPNet:
if ip := routableIP(network, ifa.IP); ip != nil {
return ip, true
}
}
}
return nil, false
}
func routableIP(network string, ip net.IP) net.IP {
if !ip.IsLoopback() && !ip.IsLinkLocalUnicast() && !ip.IsGlobalUnicast() {
return nil
}
switch network {
case "ip4":
if ip := ip.To4(); ip != nil {
return ip
}
case "ip6":
if ip.IsLoopback() { // addressing scope of the loopback address depends on each implementation
return nil
}
if ip := ip.To16(); ip != nil && ip.To4() == nil {
return ip
}
default:
if ip := ip.To4(); ip != nil {
return ip
}
if ip := ip.To16(); ip != nil {
return ip
}
}
return nil
}

11
vendor/golang.org/x/net/internal/nettest/rlimit.go generated vendored
View File

@ -1,11 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package nettest
const defaultMaxOpenFiles = 256
// MaxOpenFiles returns the maximum number of open files for the
// caller's process.
func MaxOpenFiles() int { return maxOpenFiles() }

152
vendor/golang.org/x/net/internal/nettest/stack.go generated vendored
View File

@ -1,152 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package nettest provides utilities for network testing.
package nettest // import "golang.org/x/net/internal/nettest"
import (
"fmt"
"io/ioutil"
"net"
"os"
"runtime"
)
var (
supportsIPv4 bool
supportsIPv6 bool
)
func init() {
if ln, err := net.Listen("tcp4", "127.0.0.1:0"); err == nil {
ln.Close()
supportsIPv4 = true
}
if ln, err := net.Listen("tcp6", "[::1]:0"); err == nil {
ln.Close()
supportsIPv6 = true
}
}
// SupportsIPv4 reports whether the platform supports IPv4 networking
// functionality.
func SupportsIPv4() bool { return supportsIPv4 }
// SupportsIPv6 reports whether the platform supports IPv6 networking
// functionality.
func SupportsIPv6() bool { return supportsIPv6 }
// SupportsRawIPSocket reports whether the platform supports raw IP
// sockets.
func SupportsRawIPSocket() (string, bool) {
return supportsRawIPSocket()
}
// SupportsIPv6MulticastDeliveryOnLoopback reports whether the
// platform supports IPv6 multicast packet delivery on software
// loopback interface.
func SupportsIPv6MulticastDeliveryOnLoopback() bool {
return supportsIPv6MulticastDeliveryOnLoopback()
}
// ProtocolNotSupported reports whether err is a protocol not
// supported error.
func ProtocolNotSupported(err error) bool {
return protocolNotSupported(err)
}
// TestableNetwork reports whether network is testable on the current
// platform configuration.
func TestableNetwork(network string) bool {
// This is based on logic from standard library's
// net/platform_test.go.
switch network {
case "unix", "unixgram":
switch runtime.GOOS {
case "android", "js", "nacl", "plan9", "windows":
return false
}
if runtime.GOOS == "darwin" && (runtime.GOARCH == "arm" || runtime.GOARCH == "arm64") {
return false
}
case "unixpacket":
switch runtime.GOOS {
case "android", "darwin", "freebsd", "js", "nacl", "plan9", "windows":
return false
case "netbsd":
// It passes on amd64 at least. 386 fails (Issue 22927). arm is unknown.
if runtime.GOARCH == "386" {
return false
}
}
}
return true
}
// NewLocalListener returns a listener which listens to a loopback IP
// address or local file system path.
// Network must be "tcp", "tcp4", "tcp6", "unix" or "unixpacket".
func NewLocalListener(network string) (net.Listener, error) {
switch network {
case "tcp":
if supportsIPv4 {
if ln, err := net.Listen("tcp4", "127.0.0.1:0"); err == nil {
return ln, nil
}
}
if supportsIPv6 {
return net.Listen("tcp6", "[::1]:0")
}
case "tcp4":
if supportsIPv4 {
return net.Listen("tcp4", "127.0.0.1:0")
}
case "tcp6":
if supportsIPv6 {
return net.Listen("tcp6", "[::1]:0")
}
case "unix", "unixpacket":
return net.Listen(network, localPath())
}
return nil, fmt.Errorf("%s is not supported", network)
}
// NewLocalPacketListener returns a packet listener which listens to a
// loopback IP address or local file system path.
// Network must be "udp", "udp4", "udp6" or "unixgram".
func NewLocalPacketListener(network string) (net.PacketConn, error) {
switch network {
case "udp":
if supportsIPv4 {
if c, err := net.ListenPacket("udp4", "127.0.0.1:0"); err == nil {
return c, nil
}
}
if supportsIPv6 {
return net.ListenPacket("udp6", "[::1]:0")
}
case "udp4":
if supportsIPv4 {
return net.ListenPacket("udp4", "127.0.0.1:0")
}
case "udp6":
if supportsIPv6 {
return net.ListenPacket("udp6", "[::1]:0")
}
case "unixgram":
return net.ListenPacket(network, localPath())
}
return nil, fmt.Errorf("%s is not supported", network)
}
func localPath() string {
f, err := ioutil.TempFile("", "nettest")
if err != nil {
panic(err)
}
path := f.Name()
f.Close()
os.Remove(path)
return path
}

259
vendor/golang.org/x/net/internal/socket/socket_go1_9_test.go generated vendored
View File

@ -1,259 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package socket_test
import (
"bytes"
"fmt"
"net"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/internal/socket"
)
type mockControl struct {
Level int
Type int
Data []byte
}
func TestControlMessage(t *testing.T) {
for _, tt := range []struct {
cs []mockControl
}{
{
[]mockControl{
{Level: 1, Type: 1},
},
},
{
[]mockControl{
{Level: 2, Type: 2, Data: []byte{0xfe}},
},
},
{
[]mockControl{
{Level: 3, Type: 3, Data: []byte{0xfe, 0xff, 0xff, 0xfe}},
},
},
{
[]mockControl{
{Level: 4, Type: 4, Data: []byte{0xfe, 0xff, 0xff, 0xfe, 0xfe, 0xff, 0xff, 0xfe}},
},
},
{
[]mockControl{
{Level: 4, Type: 4, Data: []byte{0xfe, 0xff, 0xff, 0xfe, 0xfe, 0xff, 0xff, 0xfe}},
{Level: 2, Type: 2, Data: []byte{0xfe}},
},
},
} {
var w []byte
var tailPadLen int
mm := socket.NewControlMessage([]int{0})
for i, c := range tt.cs {
m := socket.NewControlMessage([]int{len(c.Data)})
l := len(m) - len(mm)
if i == len(tt.cs)-1 && l > len(c.Data) {
tailPadLen = l - len(c.Data)
}
w = append(w, m...)
}
var err error
ww := make([]byte, len(w))
copy(ww, w)
m := socket.ControlMessage(ww)
for _, c := range tt.cs {
if err = m.MarshalHeader(c.Level, c.Type, len(c.Data)); err != nil {
t.Fatalf("(%v).MarshalHeader() = %v", tt.cs, err)
}
copy(m.Data(len(c.Data)), c.Data)
m = m.Next(len(c.Data))
}
m = socket.ControlMessage(w)
for _, c := range tt.cs {
m, err = m.Marshal(c.Level, c.Type, c.Data)
if err != nil {
t.Fatalf("(%v).Marshal() = %v", tt.cs, err)
}
}
if !bytes.Equal(ww, w) {
t.Fatalf("got %#v; want %#v", ww, w)
}
ws := [][]byte{w}
if tailPadLen > 0 {
// Test a message with no tail padding.
nopad := w[:len(w)-tailPadLen]
ws = append(ws, [][]byte{nopad}...)
}
for _, w := range ws {
ms, err := socket.ControlMessage(w).Parse()
if err != nil {
t.Fatalf("(%v).Parse() = %v", tt.cs, err)
}
for i, m := range ms {
lvl, typ, dataLen, err := m.ParseHeader()
if err != nil {
t.Fatalf("(%v).ParseHeader() = %v", tt.cs, err)
}
if lvl != tt.cs[i].Level || typ != tt.cs[i].Type || dataLen != len(tt.cs[i].Data) {
t.Fatalf("%v: got %d, %d, %d; want %d, %d, %d", tt.cs[i], lvl, typ, dataLen, tt.cs[i].Level, tt.cs[i].Type, len(tt.cs[i].Data))
}
}
}
}
}
func TestUDP(t *testing.T) {
c, err := nettest.NewLocalPacketListener("udp")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
cc, err := socket.NewConn(c.(net.Conn))
if err != nil {
t.Fatal(err)
}
t.Run("Message", func(t *testing.T) {
data := []byte("HELLO-R-U-THERE")
wm := socket.Message{
Buffers: bytes.SplitAfter(data, []byte("-")),
Addr: c.LocalAddr(),
}
if err := cc.SendMsg(&wm, 0); err != nil {
t.Fatal(err)
}
b := make([]byte, 32)
rm := socket.Message{
Buffers: [][]byte{b[:1], b[1:3], b[3:7], b[7:11], b[11:]},
}
if err := cc.RecvMsg(&rm, 0); err != nil {
t.Fatal(err)
}
if !bytes.Equal(b[:rm.N], data) {
t.Fatalf("got %#v; want %#v", b[:rm.N], data)
}
})
switch runtime.GOOS {
case "android", "linux":
t.Run("Messages", func(t *testing.T) {
data := []byte("HELLO-R-U-THERE")
wmbs := bytes.SplitAfter(data, []byte("-"))
wms := []socket.Message{
{Buffers: wmbs[:1], Addr: c.LocalAddr()},
{Buffers: wmbs[1:], Addr: c.LocalAddr()},
}
n, err := cc.SendMsgs(wms, 0)
if err != nil {
t.Fatal(err)
}
if n != len(wms) {
t.Fatalf("got %d; want %d", n, len(wms))
}
b := make([]byte, 32)
rmbs := [][][]byte{{b[:len(wmbs[0])]}, {b[len(wmbs[0]):]}}
rms := []socket.Message{
{Buffers: rmbs[0]},
{Buffers: rmbs[1]},
}
n, err = cc.RecvMsgs(rms, 0)
if err != nil {
t.Fatal(err)
}
if n != len(rms) {
t.Fatalf("got %d; want %d", n, len(rms))
}
nn := 0
for i := 0; i < n; i++ {
nn += rms[i].N
}
if !bytes.Equal(b[:nn], data) {
t.Fatalf("got %#v; want %#v", b[:nn], data)
}
})
}
// The behavior of transmission for zero byte paylaod depends
// on each platform implementation. Some may transmit only
// protocol header and options, other may transmit nothing.
// We test only that SendMsg and SendMsgs will not crash with
// empty buffers.
wm := socket.Message{
Buffers: [][]byte{{}},
Addr: c.LocalAddr(),
}
cc.SendMsg(&wm, 0)
wms := []socket.Message{
{Buffers: [][]byte{{}}, Addr: c.LocalAddr()},
}
cc.SendMsgs(wms, 0)
}
func BenchmarkUDP(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
cc, err := socket.NewConn(c.(net.Conn))
if err != nil {
b.Fatal(err)
}
data := []byte("HELLO-R-U-THERE")
wm := socket.Message{
Buffers: [][]byte{data},
Addr: c.LocalAddr(),
}
rm := socket.Message{
Buffers: [][]byte{make([]byte, 128)},
OOB: make([]byte, 128),
}
for M := 1; M <= 1<<9; M = M << 1 {
b.Run(fmt.Sprintf("Iter-%d", M), func(b *testing.B) {
for i := 0; i < b.N; i++ {
for j := 0; j < M; j++ {
if err := cc.SendMsg(&wm, 0); err != nil {
b.Fatal(err)
}
if err := cc.RecvMsg(&rm, 0); err != nil {
b.Fatal(err)
}
}
}
})
switch runtime.GOOS {
case "android", "linux":
wms := make([]socket.Message, M)
for i := range wms {
wms[i].Buffers = [][]byte{data}
wms[i].Addr = c.LocalAddr()
}
rms := make([]socket.Message, M)
for i := range rms {
rms[i].Buffers = [][]byte{make([]byte, 128)}
rms[i].OOB = make([]byte, 128)
}
b.Run(fmt.Sprintf("Batch-%d", M), func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := cc.SendMsgs(wms, 0); err != nil {
b.Fatal(err)
}
if _, err := cc.RecvMsgs(rms, 0); err != nil {
b.Fatal(err)
}
}
})
}
}
}

46
vendor/golang.org/x/net/internal/socket/socket_test.go generated vendored
View File

@ -1,46 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
package socket_test
import (
"net"
"runtime"
"syscall"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/internal/socket"
)
func TestSocket(t *testing.T) {
t.Run("Option", func(t *testing.T) {
testSocketOption(t, &socket.Option{Level: syscall.SOL_SOCKET, Name: syscall.SO_RCVBUF, Len: 4})
})
}
func testSocketOption(t *testing.T, so *socket.Option) {
c, err := nettest.NewLocalPacketListener("udp")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
cc, err := socket.NewConn(c.(net.Conn))
if err != nil {
t.Fatal(err)
}
const N = 2048
if err := so.SetInt(cc, N); err != nil {
t.Fatal(err)
}
n, err := so.GetInt(cc)
if err != nil {
t.Fatal(err)
}
if n < N {
t.Fatalf("got %d; want greater than or equal to %d", n, N)
}
}

93
vendor/golang.org/x/net/ipv4/bpf_test.go generated vendored
View File

@ -1,93 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"net"
"runtime"
"testing"
"time"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv4"
)
func TestBPF(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skipf("not supported on %s", runtime.GOOS)
}
l, err := net.ListenPacket("udp4", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
p := ipv4.NewPacketConn(l)
// This filter accepts UDP packets whose first payload byte is
// even.
prog, err := bpf.Assemble([]bpf.Instruction{
// Load the first byte of the payload (skipping UDP header).
bpf.LoadAbsolute{Off: 8, Size: 1},
// Select LSB of the byte.
bpf.ALUOpConstant{Op: bpf.ALUOpAnd, Val: 1},
// Byte is even?
bpf.JumpIf{Cond: bpf.JumpEqual, Val: 0, SkipFalse: 1},
// Accept.
bpf.RetConstant{Val: 4096},
// Ignore.
bpf.RetConstant{Val: 0},
})
if err != nil {
t.Fatalf("compiling BPF: %s", err)
}
if err = p.SetBPF(prog); err != nil {
t.Fatalf("attaching filter to Conn: %s", err)
}
s, err := net.Dial("udp4", l.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
defer s.Close()
go func() {
for i := byte(0); i < 10; i++ {
s.Write([]byte{i})
}
}()
l.SetDeadline(time.Now().Add(2 * time.Second))
seen := make([]bool, 5)
for {
var b [512]byte
n, _, err := l.ReadFrom(b[:])
if err != nil {
t.Fatalf("reading from listener: %s", err)
}
if n != 1 {
t.Fatalf("unexpected packet length, want 1, got %d", n)
}
if b[0] >= 10 {
t.Fatalf("unexpected byte, want 0-9, got %d", b[0])
}
if b[0]%2 != 0 {
t.Fatalf("got odd byte %d, wanted only even bytes", b[0])
}
seen[b[0]/2] = true
seenAll := true
for _, v := range seen {
if !v {
seenAll = false
break
}
}
if seenAll {
break
}
}
}

21
vendor/golang.org/x/net/ipv4/control_test.go generated vendored
View File

@ -1,21 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"testing"
"golang.org/x/net/ipv4"
)
func TestControlMessageParseWithFuzz(t *testing.T) {
var cm ipv4.ControlMessage
for _, fuzz := range []string{
"\f\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00",
"\f\x00\x00\x00\x00\x00\x00\x00\x1a\x00\x00\x00",
} {
cm.Parse([]byte(fuzz))
}
}

224
vendor/golang.org/x/net/ipv4/example_test.go generated vendored
View File

@ -1,224 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"fmt"
"log"
"net"
"os"
"runtime"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv4"
)
func ExampleConn_markingTCP() {
ln, err := net.Listen("tcp", "0.0.0.0:1024")
if err != nil {
log.Fatal(err)
}
defer ln.Close()
for {
c, err := ln.Accept()
if err != nil {
log.Fatal(err)
}
go func(c net.Conn) {
defer c.Close()
if c.RemoteAddr().(*net.TCPAddr).IP.To4() != nil {
p := ipv4.NewConn(c)
if err := p.SetTOS(0x28); err != nil { // DSCP AF11
log.Fatal(err)
}
if err := p.SetTTL(128); err != nil {
log.Fatal(err)
}
}
if _, err := c.Write([]byte("HELLO-R-U-THERE-ACK")); err != nil {
log.Fatal(err)
}
}(c)
}
}
func ExamplePacketConn_servingOneShotMulticastDNS() {
c, err := net.ListenPacket("udp4", "0.0.0.0:5353") // mDNS over UDP
if err != nil {
log.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
en0, err := net.InterfaceByName("en0")
if err != nil {
log.Fatal(err)
}
mDNSLinkLocal := net.UDPAddr{IP: net.IPv4(224, 0, 0, 251)}
if err := p.JoinGroup(en0, &mDNSLinkLocal); err != nil {
log.Fatal(err)
}
defer p.LeaveGroup(en0, &mDNSLinkLocal)
if err := p.SetControlMessage(ipv4.FlagDst, true); err != nil {
log.Fatal(err)
}
b := make([]byte, 1500)
for {
_, cm, peer, err := p.ReadFrom(b)
if err != nil {
log.Fatal(err)
}
if !cm.Dst.IsMulticast() || !cm.Dst.Equal(mDNSLinkLocal.IP) {
continue
}
answers := []byte("FAKE-MDNS-ANSWERS") // fake mDNS answers, you need to implement this
if _, err := p.WriteTo(answers, nil, peer); err != nil {
log.Fatal(err)
}
}
}
func ExamplePacketConn_tracingIPPacketRoute() {
// Tracing an IP packet route to www.google.com.
const host = "www.google.com"
ips, err := net.LookupIP(host)
if err != nil {
log.Fatal(err)
}
var dst net.IPAddr
for _, ip := range ips {
if ip.To4() != nil {
dst.IP = ip
fmt.Printf("using %v for tracing an IP packet route to %s\n", dst.IP, host)
break
}
}
if dst.IP == nil {
log.Fatal("no A record found")
}
c, err := net.ListenPacket("ip4:1", "0.0.0.0") // ICMP for IPv4
if err != nil {
log.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
if err := p.SetControlMessage(ipv4.FlagTTL|ipv4.FlagSrc|ipv4.FlagDst|ipv4.FlagInterface, true); err != nil {
log.Fatal(err)
}
wm := icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
}
rb := make([]byte, 1500)
for i := 1; i <= 64; i++ { // up to 64 hops
wm.Body.(*icmp.Echo).Seq = i
wb, err := wm.Marshal(nil)
if err != nil {
log.Fatal(err)
}
if err := p.SetTTL(i); err != nil {
log.Fatal(err)
}
// In the real world usually there are several
// multiple traffic-engineered paths for each hop.
// You may need to probe a few times to each hop.
begin := time.Now()
if _, err := p.WriteTo(wb, nil, &dst); err != nil {
log.Fatal(err)
}
if err := p.SetReadDeadline(time.Now().Add(3 * time.Second)); err != nil {
log.Fatal(err)
}
n, cm, peer, err := p.ReadFrom(rb)
if err != nil {
if err, ok := err.(net.Error); ok && err.Timeout() {
fmt.Printf("%v\t*\n", i)
continue
}
log.Fatal(err)
}
rm, err := icmp.ParseMessage(1, rb[:n])
if err != nil {
log.Fatal(err)
}
rtt := time.Since(begin)
// In the real world you need to determine whether the
// received message is yours using ControlMessage.Src,
// ControlMessage.Dst, icmp.Echo.ID and icmp.Echo.Seq.
switch rm.Type {
case ipv4.ICMPTypeTimeExceeded:
names, _ := net.LookupAddr(peer.String())
fmt.Printf("%d\t%v %+v %v\n\t%+v\n", i, peer, names, rtt, cm)
case ipv4.ICMPTypeEchoReply:
names, _ := net.LookupAddr(peer.String())
fmt.Printf("%d\t%v %+v %v\n\t%+v\n", i, peer, names, rtt, cm)
return
default:
log.Printf("unknown ICMP message: %+v\n", rm)
}
}
}
func ExampleRawConn_advertisingOSPFHello() {
c, err := net.ListenPacket("ip4:89", "0.0.0.0") // OSPF for IPv4
if err != nil {
log.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
log.Fatal(err)
}
en0, err := net.InterfaceByName("en0")
if err != nil {
log.Fatal(err)
}
allSPFRouters := net.IPAddr{IP: net.IPv4(224, 0, 0, 5)}
if err := r.JoinGroup(en0, &allSPFRouters); err != nil {
log.Fatal(err)
}
defer r.LeaveGroup(en0, &allSPFRouters)
hello := make([]byte, 24) // fake hello data, you need to implement this
ospf := make([]byte, 24) // fake ospf header, you need to implement this
ospf[0] = 2 // version 2
ospf[1] = 1 // hello packet
ospf = append(ospf, hello...)
iph := &ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TOS: 0xc0, // DSCP CS6
TotalLen: ipv4.HeaderLen + len(ospf),
TTL: 1,
Protocol: 89,
Dst: allSPFRouters.IP.To4(),
}
var cm *ipv4.ControlMessage
switch runtime.GOOS {
case "darwin", "linux":
cm = &ipv4.ControlMessage{IfIndex: en0.Index}
default:
if err := r.SetMulticastInterface(en0); err != nil {
log.Fatal(err)
}
}
if err := r.WriteTo(iph, ospf, cm); err != nil {
log.Fatal(err)
}
}

228
vendor/golang.org/x/net/ipv4/header_test.go generated vendored
View File

@ -1,228 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4
import (
"bytes"
"encoding/binary"
"net"
"reflect"
"runtime"
"strings"
"testing"
"golang.org/x/net/internal/socket"
)
type headerTest struct {
wireHeaderFromKernel []byte
wireHeaderToKernel []byte
wireHeaderFromTradBSDKernel []byte
wireHeaderToTradBSDKernel []byte
wireHeaderFromFreeBSD10Kernel []byte
wireHeaderToFreeBSD10Kernel []byte
*Header
}
var headerLittleEndianTests = []headerTest{
// TODO(mikio): Add platform dependent wire header formats when
// we support new platforms.
{
wireHeaderFromKernel: []byte{
0x45, 0x01, 0xbe, 0xef,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
wireHeaderToKernel: []byte{
0x45, 0x01, 0xbe, 0xef,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
wireHeaderFromTradBSDKernel: []byte{
0x45, 0x01, 0xdb, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
wireHeaderToTradBSDKernel: []byte{
0x45, 0x01, 0xef, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
wireHeaderFromFreeBSD10Kernel: []byte{
0x45, 0x01, 0xef, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
wireHeaderToFreeBSD10Kernel: []byte{
0x45, 0x01, 0xef, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
},
Header: &Header{
Version: Version,
Len: HeaderLen,
TOS: 1,
TotalLen: 0xbeef,
ID: 0xcafe,
Flags: DontFragment,
FragOff: 1500,
TTL: 255,
Protocol: 1,
Checksum: 0xdead,
Src: net.IPv4(172, 16, 254, 254),
Dst: net.IPv4(192, 168, 0, 1),
},
},
// with option headers
{
wireHeaderFromKernel: []byte{
0x46, 0x01, 0xbe, 0xf3,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
wireHeaderToKernel: []byte{
0x46, 0x01, 0xbe, 0xf3,
0xca, 0xfe, 0x45, 0xdc,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
wireHeaderFromTradBSDKernel: []byte{
0x46, 0x01, 0xdb, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
wireHeaderToTradBSDKernel: []byte{
0x46, 0x01, 0xf3, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
wireHeaderFromFreeBSD10Kernel: []byte{
0x46, 0x01, 0xf3, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
wireHeaderToFreeBSD10Kernel: []byte{
0x46, 0x01, 0xf3, 0xbe,
0xca, 0xfe, 0xdc, 0x45,
0xff, 0x01, 0xde, 0xad,
172, 16, 254, 254,
192, 168, 0, 1,
0xff, 0xfe, 0xfe, 0xff,
},
Header: &Header{
Version: Version,
Len: HeaderLen + 4,
TOS: 1,
TotalLen: 0xbef3,
ID: 0xcafe,
Flags: DontFragment,
FragOff: 1500,
TTL: 255,
Protocol: 1,
Checksum: 0xdead,
Src: net.IPv4(172, 16, 254, 254),
Dst: net.IPv4(192, 168, 0, 1),
Options: []byte{0xff, 0xfe, 0xfe, 0xff},
},
},
}
func TestMarshalHeader(t *testing.T) {
if socket.NativeEndian != binary.LittleEndian {
t.Skip("no test for non-little endian machine yet")
}
for _, tt := range headerLittleEndianTests {
b, err := tt.Header.Marshal()
if err != nil {
t.Fatal(err)
}
var wh []byte
switch runtime.GOOS {
case "darwin", "dragonfly", "netbsd":
wh = tt.wireHeaderToTradBSDKernel
case "freebsd":
switch {
case freebsdVersion < 1000000:
wh = tt.wireHeaderToTradBSDKernel
case 1000000 <= freebsdVersion && freebsdVersion < 1100000:
wh = tt.wireHeaderToFreeBSD10Kernel
default:
wh = tt.wireHeaderToKernel
}
default:
wh = tt.wireHeaderToKernel
}
if !bytes.Equal(b, wh) {
t.Fatalf("got %#v; want %#v", b, wh)
}
}
}
func TestParseHeader(t *testing.T) {
if socket.NativeEndian != binary.LittleEndian {
t.Skip("no test for big endian machine yet")
}
for _, tt := range headerLittleEndianTests {
var wh []byte
switch runtime.GOOS {
case "darwin", "dragonfly", "netbsd":
wh = tt.wireHeaderFromTradBSDKernel
case "freebsd":
switch {
case freebsdVersion < 1000000:
wh = tt.wireHeaderFromTradBSDKernel
case 1000000 <= freebsdVersion && freebsdVersion < 1100000:
wh = tt.wireHeaderFromFreeBSD10Kernel
default:
wh = tt.wireHeaderFromKernel
}
default:
wh = tt.wireHeaderFromKernel
}
h, err := ParseHeader(wh)
if err != nil {
t.Fatal(err)
}
if err := h.Parse(wh); err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(h, tt.Header) {
t.Fatalf("got %#v; want %#v", h, tt.Header)
}
s := h.String()
if strings.Contains(s, ",") {
t.Fatalf("should be space-separated values: %s", s)
}
}
}

95
vendor/golang.org/x/net/ipv4/icmp_test.go generated vendored
View File

@ -1,95 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"net"
"reflect"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
var icmpStringTests = []struct {
in ipv4.ICMPType
out string
}{
{ipv4.ICMPTypeDestinationUnreachable, "destination unreachable"},
{256, "<nil>"},
}
func TestICMPString(t *testing.T) {
for _, tt := range icmpStringTests {
s := tt.in.String()
if s != tt.out {
t.Errorf("got %s; want %s", s, tt.out)
}
}
}
func TestICMPFilter(t *testing.T) {
switch runtime.GOOS {
case "linux":
default:
t.Skipf("not supported on %s", runtime.GOOS)
}
var f ipv4.ICMPFilter
for _, toggle := range []bool{false, true} {
f.SetAll(toggle)
for _, typ := range []ipv4.ICMPType{
ipv4.ICMPTypeDestinationUnreachable,
ipv4.ICMPTypeEchoReply,
ipv4.ICMPTypeTimeExceeded,
ipv4.ICMPTypeParameterProblem,
} {
f.Accept(typ)
if f.WillBlock(typ) {
t.Errorf("ipv4.ICMPFilter.Set(%v, false) failed", typ)
}
f.Block(typ)
if !f.WillBlock(typ) {
t.Errorf("ipv4.ICMPFilter.Set(%v, true) failed", typ)
}
}
}
}
func TestSetICMPFilter(t *testing.T) {
switch runtime.GOOS {
case "linux":
default:
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
var f ipv4.ICMPFilter
f.SetAll(true)
f.Accept(ipv4.ICMPTypeEcho)
f.Accept(ipv4.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); err != nil {
t.Fatal(err)
}
kf, err := p.ICMPFilter()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(kf, &f) {
t.Fatalf("got %#v; want %#v", kf, f)
}
}

334
vendor/golang.org/x/net/ipv4/multicast_test.go generated vendored
View File

@ -1,334 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"bytes"
"net"
"os"
"runtime"
"testing"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
var packetConnReadWriteMulticastUDPTests = []struct {
addr string
grp, src *net.UDPAddr
}{
{"224.0.0.0:0", &net.UDPAddr{IP: net.IPv4(224, 0, 0, 254)}, nil}, // see RFC 4727
{"232.0.1.0:0", &net.UDPAddr{IP: net.IPv4(232, 0, 1, 254)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
}
func TestPacketConnReadWriteMulticastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "solaris", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range packetConnReadWriteMulticastUDPTests {
c, err := net.ListenPacket("udp4", tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
grp := *tt.grp
grp.Port = c.LocalAddr().(*net.UDPAddr).Port
p := ipv4.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
if err := p.JoinGroup(ifi, &grp); err != nil {
t.Fatal(err)
}
defer p.LeaveGroup(ifi, &grp)
} else {
if err := p.JoinSourceSpecificGroup(ifi, &grp, tt.src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support IGMPv2/3 fail here
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
defer p.LeaveSourceSpecificGroup(ifi, &grp, tt.src)
}
if err := p.SetMulticastInterface(ifi); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastInterface(); err != nil {
t.Fatal(err)
}
if err := p.SetMulticastLoopback(true); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastLoopback(); err != nil {
t.Fatal(err)
}
cf := ipv4.FlagTTL | ipv4.FlagDst | ipv4.FlagInterface
wb := []byte("HELLO-R-U-THERE")
for i, toggle := range []bool{true, false, true} {
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Fatal(err)
}
p.SetMulticastTTL(i + 1)
if n, err := p.WriteTo(wb, nil, &grp); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if n, _, _, err := p.ReadFrom(rb); err != nil {
t.Fatal(err)
} else if !bytes.Equal(rb[:n], wb) {
t.Fatalf("got %v; want %v", rb[:n], wb)
}
}
}
}
var packetConnReadWriteMulticastICMPTests = []struct {
grp, src *net.IPAddr
}{
{&net.IPAddr{IP: net.IPv4(224, 0, 0, 254)}, nil}, // see RFC 4727
{&net.IPAddr{IP: net.IPv4(232, 0, 1, 254)}, &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
}
func TestPacketConnReadWriteMulticastICMP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "solaris", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range packetConnReadWriteMulticastICMPTests {
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
if err := p.JoinGroup(ifi, tt.grp); err != nil {
t.Fatal(err)
}
defer p.LeaveGroup(ifi, tt.grp)
} else {
if err := p.JoinSourceSpecificGroup(ifi, tt.grp, tt.src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support IGMPv2/3 fail here
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
defer p.LeaveSourceSpecificGroup(ifi, tt.grp, tt.src)
}
if err := p.SetMulticastInterface(ifi); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastInterface(); err != nil {
t.Fatal(err)
}
if err := p.SetMulticastLoopback(true); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastLoopback(); err != nil {
t.Fatal(err)
}
cf := ipv4.FlagDst | ipv4.FlagInterface
if runtime.GOOS != "solaris" {
// Solaris never allows to modify ICMP properties.
cf |= ipv4.FlagTTL
}
for i, toggle := range []bool{true, false, true} {
wb, err := (&icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(nil)
if err != nil {
t.Fatal(err)
}
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Fatal(err)
}
p.SetMulticastTTL(i + 1)
if n, err := p.WriteTo(wb, nil, tt.grp); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if n, _, _, err := p.ReadFrom(rb); err != nil {
t.Fatal(err)
} else {
m, err := icmp.ParseMessage(iana.ProtocolICMP, rb[:n])
if err != nil {
t.Fatal(err)
}
switch {
case m.Type == ipv4.ICMPTypeEchoReply && m.Code == 0: // net.inet.icmp.bmcastecho=1
case m.Type == ipv4.ICMPTypeEcho && m.Code == 0: // net.inet.icmp.bmcastecho=0
default:
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv4.ICMPTypeEchoReply, 0)
}
}
}
}
}
var rawConnReadWriteMulticastICMPTests = []struct {
grp, src *net.IPAddr
}{
{&net.IPAddr{IP: net.IPv4(224, 0, 0, 254)}, nil}, // see RFC 4727
{&net.IPAddr{IP: net.IPv4(232, 0, 1, 254)}, &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
}
func TestRawConnReadWriteMulticastICMP(t *testing.T) {
if testing.Short() {
t.Skip("to avoid external network")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range rawConnReadWriteMulticastICMPTests {
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
t.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
defer r.Close()
if tt.src == nil {
if err := r.JoinGroup(ifi, tt.grp); err != nil {
t.Fatal(err)
}
defer r.LeaveGroup(ifi, tt.grp)
} else {
if err := r.JoinSourceSpecificGroup(ifi, tt.grp, tt.src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support IGMPv2/3 fail here
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
defer r.LeaveSourceSpecificGroup(ifi, tt.grp, tt.src)
}
if err := r.SetMulticastInterface(ifi); err != nil {
t.Fatal(err)
}
if _, err := r.MulticastInterface(); err != nil {
t.Fatal(err)
}
if err := r.SetMulticastLoopback(true); err != nil {
t.Fatal(err)
}
if _, err := r.MulticastLoopback(); err != nil {
t.Fatal(err)
}
cf := ipv4.FlagTTL | ipv4.FlagDst | ipv4.FlagInterface
for i, toggle := range []bool{true, false, true} {
wb, err := (&icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(nil)
if err != nil {
t.Fatal(err)
}
wh := &ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TOS: i + 1,
TotalLen: ipv4.HeaderLen + len(wb),
Protocol: 1,
Dst: tt.grp.IP,
}
if err := r.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := r.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Fatal(err)
}
r.SetMulticastTTL(i + 1)
if err := r.WriteTo(wh, wb, nil); err != nil {
t.Fatal(err)
}
rb := make([]byte, ipv4.HeaderLen+128)
if rh, b, _, err := r.ReadFrom(rb); err != nil {
t.Fatal(err)
} else {
m, err := icmp.ParseMessage(iana.ProtocolICMP, b)
if err != nil {
t.Fatal(err)
}
switch {
case (rh.Dst.IsLoopback() || rh.Dst.IsLinkLocalUnicast() || rh.Dst.IsGlobalUnicast()) && m.Type == ipv4.ICMPTypeEchoReply && m.Code == 0: // net.inet.icmp.bmcastecho=1
case rh.Dst.IsMulticast() && m.Type == ipv4.ICMPTypeEcho && m.Code == 0: // net.inet.icmp.bmcastecho=0
default:
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv4.ICMPTypeEchoReply, 0)
}
}
}
}
}

265
vendor/golang.org/x/net/ipv4/multicastlistener_test.go generated vendored
View File

@ -1,265 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
var udpMultipleGroupListenerTests = []net.Addr{
&net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}, // see RFC 4727
&net.UDPAddr{IP: net.IPv4(224, 0, 0, 250)},
&net.UDPAddr{IP: net.IPv4(224, 0, 0, 254)},
}
func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if testing.Short() {
t.Skip("to avoid external network")
}
for _, gaddr := range udpMultipleGroupListenerTests {
c, err := net.ListenPacket("udp4", "0.0.0.0:0") // wildcard address with no reusable port
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
continue
}
if err := p.JoinGroup(&ifi, gaddr); err != nil {
t.Fatal(err)
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
if err := p.LeaveGroup(ifi, gaddr); err != nil {
t.Fatal(err)
}
}
}
}
func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if testing.Short() {
t.Skip("to avoid external network")
}
for _, gaddr := range udpMultipleGroupListenerTests {
c1, err := net.ListenPacket("udp4", "224.0.0.0:0") // wildcard address with reusable port
if err != nil {
t.Fatal(err)
}
defer c1.Close()
_, port, err := net.SplitHostPort(c1.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
c2, err := net.ListenPacket("udp4", net.JoinHostPort("224.0.0.0", port)) // wildcard address with reusable port
if err != nil {
t.Fatal(err)
}
defer c2.Close()
var ps [2]*ipv4.PacketConn
ps[0] = ipv4.NewPacketConn(c1)
ps[1] = ipv4.NewPacketConn(c2)
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
continue
}
for _, p := range ps {
if err := p.JoinGroup(&ifi, gaddr); err != nil {
t.Fatal(err)
}
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
for _, p := range ps {
if err := p.LeaveGroup(ifi, gaddr); err != nil {
t.Fatal(err)
}
}
}
}
}
func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if testing.Short() {
t.Skip("to avoid external network")
}
gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
type ml struct {
c *ipv4.PacketConn
ifi *net.Interface
}
var mlt []*ml
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
port := "0"
for i, ifi := range ift {
ip, ok := nettest.IsMulticastCapable("ip4", &ifi)
if !ok {
continue
}
c, err := net.ListenPacket("udp4", net.JoinHostPort(ip.String(), port)) // unicast address with non-reusable port
if err != nil {
// The listen may fail when the serivce is
// already in use, but it's fine because the
// purpose of this is not to test the
// bookkeeping of IP control block inside the
// kernel.
t.Log(err)
continue
}
defer c.Close()
if port == "0" {
_, port, err = net.SplitHostPort(c.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
}
p := ipv4.NewPacketConn(c)
if err := p.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mlt = append(mlt, &ml{p, &ift[i]})
}
for _, m := range mlt {
if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}
func TestIPSingleRawConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if testing.Short() {
t.Skip("to avoid external network")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0") // wildcard address
if err != nil {
t.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
continue
}
if err := r.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
if err := r.LeaveGroup(ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}
func TestIPPerInterfaceSingleRawConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if testing.Short() {
t.Skip("to avoid external network")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
type ml struct {
c *ipv4.RawConn
ifi *net.Interface
}
var mlt []*ml
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
ip, ok := nettest.IsMulticastCapable("ip4", &ifi)
if !ok {
continue
}
c, err := net.ListenPacket("ip4:253", ip.String()) // unicast address
if err != nil {
t.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
if err := r.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mlt = append(mlt, &ml{r, &ift[i]})
}
for _, m := range mlt {
if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}

195
vendor/golang.org/x/net/ipv4/multicastsockopt_test.go generated vendored
View File

@ -1,195 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
var packetConnMulticastSocketOptionTests = []struct {
net, proto, addr string
grp, src net.Addr
}{
{"udp4", "", "224.0.0.0:0", &net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}, nil}, // see RFC 4727
{"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
{"udp4", "", "232.0.0.0:0", &net.UDPAddr{IP: net.IPv4(232, 0, 1, 249)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
{"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
}
func TestPacketConnMulticastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9":
t.Skipf("not supported on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
m, ok := nettest.SupportsRawIPSocket()
for _, tt := range packetConnMulticastSocketOptionTests {
if tt.net == "ip4" && !ok {
t.Log(m)
continue
}
c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
testMulticastSocketOptions(t, p, ifi, tt.grp)
} else {
testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
}
}
}
var rawConnMulticastSocketOptionTests = []struct {
grp, src net.Addr
}{
{&net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
{&net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
}
func TestRawConnMulticastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9":
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range rawConnMulticastSocketOptionTests {
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
t.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
defer r.Close()
if tt.src == nil {
testMulticastSocketOptions(t, r, ifi, tt.grp)
} else {
testSourceSpecificMulticastSocketOptions(t, r, ifi, tt.grp, tt.src)
}
}
}
type testIPv4MulticastConn interface {
MulticastTTL() (int, error)
SetMulticastTTL(ttl int) error
MulticastLoopback() (bool, error)
SetMulticastLoopback(bool) error
JoinGroup(*net.Interface, net.Addr) error
LeaveGroup(*net.Interface, net.Addr) error
JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
}
func testMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp net.Addr) {
const ttl = 255
if err := c.SetMulticastTTL(ttl); err != nil {
t.Error(err)
return
}
if v, err := c.MulticastTTL(); err != nil {
t.Error(err)
return
} else if v != ttl {
t.Errorf("got %v; want %v", v, ttl)
return
}
for _, toggle := range []bool{true, false} {
if err := c.SetMulticastLoopback(toggle); err != nil {
t.Error(err)
return
}
if v, err := c.MulticastLoopback(); err != nil {
t.Error(err)
return
} else if v != toggle {
t.Errorf("got %v; want %v", v, toggle)
return
}
}
if err := c.JoinGroup(ifi, grp); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
}
func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp, src net.Addr) {
// MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
if err := c.JoinGroup(ifi, grp); err != nil {
t.Error(err)
return
}
if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support IGMPv2/3 fail here
t.Logf("not supported on %s", runtime.GOOS)
return
}
t.Error(err)
return
}
if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
}

248
vendor/golang.org/x/net/ipv4/readwrite_go1_8_test.go generated vendored
View File

@ -1,248 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.9
package ipv4_test
import (
"bytes"
"fmt"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
b.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph, err := (&ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TotalLen: ipv4.HeaderLen + len(payload),
TTL: 1,
Protocol: iana.ProtocolReserved,
Src: net.IPv4(192, 0, 2, 1),
Dst: net.IPv4(192, 0, 2, 254),
}).Marshal()
if err != nil {
b.Fatal(err)
}
greh := []byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
bb := make([]byte, 128)
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback); ifi != nil {
cm.IfIndex = ifi.Index
}
b.Run("UDP", func(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv4.FlagTTL | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(payload, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(payload, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
})
b.Run("IP", func(b *testing.B) {
switch runtime.GOOS {
case "netbsd":
b.Skip("need to configure gre on netbsd")
case "openbsd":
b.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip4:%d", iana.ProtocolGRE), "127.0.0.1")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv4.FlagTTL | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(datagram, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
})
}
func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph, err := (&ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TotalLen: ipv4.HeaderLen + len(payload),
TTL: 1,
Protocol: iana.ProtocolReserved,
Src: net.IPv4(192, 0, 2, 1),
Dst: net.IPv4(192, 0, 2, 254),
}).Marshal()
if err != nil {
t.Fatal(err)
}
greh := []byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
t.Run("UDP", func(t *testing.T) {
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr())
})
})
t.Run("IP", func(t *testing.T) {
switch runtime.GOOS {
case "netbsd":
t.Skip("need to configure gre on netbsd")
case "openbsd":
t.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip4:%d", iana.ProtocolGRE), "127.0.0.1")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr())
})
})
}
func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv4.PacketConn, data []byte, dst net.Addr) {
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
cf := ipv4.FlagTTL | ipv4.FlagSrc | ipv4.FlagDst | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
b := make([]byte, 128)
n, cm, _, err := p.ReadFrom(b)
if err != nil {
t.Error(err)
return
}
if !bytes.Equal(b[:n], data) {
t.Errorf("got %#v; want %#v", b[:n], data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
n, err := p.WriteTo(data, &cm, dst)
if err != nil {
t.Error(err)
return
}
if n != len(data) {
t.Errorf("got %d; want %d", n, len(data))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
go writer(i%2 != 0)
}
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Wait()
}

388
vendor/golang.org/x/net/ipv4/readwrite_go1_9_test.go generated vendored
View File

@ -1,388 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
package ipv4_test
import (
"bytes"
"fmt"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
b.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph, err := (&ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TotalLen: ipv4.HeaderLen + len(payload),
TTL: 1,
Protocol: iana.ProtocolReserved,
Src: net.IPv4(192, 0, 2, 1),
Dst: net.IPv4(192, 0, 2, 254),
}).Marshal()
if err != nil {
b.Fatal(err)
}
greh := []byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
bb := make([]byte, 128)
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback); ifi != nil {
cm.IfIndex = ifi.Index
}
b.Run("UDP", func(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv4.FlagTTL | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
wms := []ipv4.Message{
{
Buffers: [][]byte{payload},
Addr: dst,
OOB: cm.Marshal(),
},
}
rms := []ipv4.Message{
{
Buffers: [][]byte{bb},
OOB: ipv4.NewControlMessage(cf),
},
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(payload, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(payload, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("Batch", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteBatch(wms, 0); err != nil {
b.Fatal(err)
}
if _, err := p.ReadBatch(rms, 0); err != nil {
b.Fatal(err)
}
}
})
})
b.Run("IP", func(b *testing.B) {
switch runtime.GOOS {
case "netbsd":
b.Skip("need to configure gre on netbsd")
case "openbsd":
b.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip4:%d", iana.ProtocolGRE), "127.0.0.1")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv4.FlagTTL | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
wms := []ipv4.Message{
{
Buffers: [][]byte{datagram},
Addr: dst,
OOB: cm.Marshal(),
},
}
rms := []ipv4.Message{
{
Buffers: [][]byte{bb},
OOB: ipv4.NewControlMessage(cf),
},
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(datagram, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("Batch", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteBatch(wms, 0); err != nil {
b.Fatal(err)
}
if _, err := p.ReadBatch(rms, 0); err != nil {
b.Fatal(err)
}
}
})
})
}
func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph, err := (&ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TotalLen: ipv4.HeaderLen + len(payload),
TTL: 1,
Protocol: iana.ProtocolReserved,
Src: net.IPv4(192, 0, 2, 1),
Dst: net.IPv4(192, 0, 2, 254),
}).Marshal()
if err != nil {
t.Fatal(err)
}
greh := []byte{0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
t.Run("UDP", func(t *testing.T) {
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), false)
})
t.Run("Batch", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), true)
})
})
t.Run("IP", func(t *testing.T) {
switch runtime.GOOS {
case "netbsd":
t.Skip("need to configure gre on netbsd")
case "openbsd":
t.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip4:%d", iana.ProtocolGRE), "127.0.0.1")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), false)
})
t.Run("Batch", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), true)
})
})
}
func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv4.PacketConn, data []byte, dst net.Addr, batch bool) {
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
cf := ipv4.FlagTTL | ipv4.FlagSrc | ipv4.FlagDst | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
b := make([]byte, 128)
n, cm, _, err := p.ReadFrom(b)
if err != nil {
t.Error(err)
return
}
if !bytes.Equal(b[:n], data) {
t.Errorf("got %#v; want %#v", b[:n], data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
batchReader := func() {
defer wg.Done()
ms := []ipv4.Message{
{
Buffers: [][]byte{make([]byte, 128)},
OOB: ipv4.NewControlMessage(cf),
},
}
n, err := p.ReadBatch(ms, 0)
if err != nil {
t.Error(err)
return
}
if n != len(ms) {
t.Errorf("got %d; want %d", n, len(ms))
return
}
var cm ipv4.ControlMessage
if err := cm.Parse(ms[0].OOB[:ms[0].NN]); err != nil {
t.Error(err)
return
}
var b []byte
if _, ok := dst.(*net.IPAddr); ok {
var h ipv4.Header
if err := h.Parse(ms[0].Buffers[0][:ms[0].N]); err != nil {
t.Error(err)
return
}
b = ms[0].Buffers[0][h.Len:ms[0].N]
} else {
b = ms[0].Buffers[0][:ms[0].N]
}
if !bytes.Equal(b, data) {
t.Errorf("got %#v; want %#v", b, data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
n, err := p.WriteTo(data, &cm, dst)
if err != nil {
t.Error(err)
return
}
if n != len(data) {
t.Errorf("got %d; want %d", n, len(data))
return
}
}
batchWriter := func(toggle bool) {
defer wg.Done()
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
ms := []ipv4.Message{
{
Buffers: [][]byte{data},
OOB: cm.Marshal(),
Addr: dst,
},
}
n, err := p.WriteBatch(ms, 0)
if err != nil {
t.Error(err)
return
}
if n != len(ms) {
t.Errorf("got %d; want %d", n, len(ms))
return
}
if ms[0].N != len(data) {
t.Errorf("got %d; want %d", ms[0].N, len(data))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
if batch {
go batchReader()
} else {
go reader()
}
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
if batch {
go batchWriter(i%2 != 0)
} else {
go writer(i%2 != 0)
}
}
wg.Add(N)
for i := 0; i < N; i++ {
if batch {
go batchReader()
} else {
go reader()
}
}
wg.Wait()
}

140
vendor/golang.org/x/net/ipv4/readwrite_test.go generated vendored
View File

@ -1,140 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"bytes"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
func BenchmarkReadWriteUnicast(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
dst := c.LocalAddr()
wb, rb := []byte("HELLO-R-U-THERE"), make([]byte, 128)
b.Run("NetUDP", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(wb, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(rb); err != nil {
b.Fatal(err)
}
}
})
b.Run("IPv4UDP", func(b *testing.B) {
p := ipv4.NewPacketConn(c)
cf := ipv4.FlagTTL | ipv4.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
cm := ipv4.ControlMessage{TTL: 1}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi != nil {
cm.IfIndex = ifi.Index
}
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(wb, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(rb); err != nil {
b.Fatal(err)
}
}
})
}
func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
defer p.Close()
dst := c.LocalAddr()
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
cf := ipv4.FlagTTL | ipv4.FlagSrc | ipv4.FlagDst | ipv4.FlagInterface
wb := []byte("HELLO-R-U-THERE")
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
rb := make([]byte, 128)
if n, cm, _, err := p.ReadFrom(rb); err != nil {
t.Error(err)
return
} else if !bytes.Equal(rb[:n], wb) {
t.Errorf("got %v; want %v", rb[:n], wb)
return
} else {
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
}
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv4.ControlMessage{
Src: net.IPv4(127, 0, 0, 1),
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
if n, err := p.WriteTo(wb, &cm, dst); err != nil {
t.Error(err)
return
} else if n != len(wb) {
t.Errorf("got %d; want %d", n, len(wb))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
go writer(i%2 != 0)
}
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Wait()
}

247
vendor/golang.org/x/net/ipv4/unicast_test.go generated vendored
View File

@ -1,247 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"bytes"
"net"
"os"
"runtime"
"testing"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
func TestPacketConnReadWriteUnicastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
c, err := nettest.NewLocalPacketListener("udp4")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv4.NewPacketConn(c)
defer p.Close()
dst := c.LocalAddr()
cf := ipv4.FlagTTL | ipv4.FlagDst | ipv4.FlagInterface
wb := []byte("HELLO-R-U-THERE")
for i, toggle := range []bool{true, false, true} {
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
p.SetTTL(i + 1)
if err := p.SetWriteDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, err := p.WriteTo(wb, nil, dst); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if err := p.SetReadDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, _, _, err := p.ReadFrom(rb); err != nil {
t.Fatal(err)
} else if !bytes.Equal(rb[:n], wb) {
t.Fatalf("got %v; want %v", rb[:n], wb)
}
}
}
func TestPacketConnReadWriteUnicastICMP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
t.Fatal(err)
}
defer c.Close()
dst, err := net.ResolveIPAddr("ip4", "127.0.0.1")
if err != nil {
t.Fatal(err)
}
p := ipv4.NewPacketConn(c)
defer p.Close()
cf := ipv4.FlagDst | ipv4.FlagInterface
if runtime.GOOS != "solaris" {
// Solaris never allows to modify ICMP properties.
cf |= ipv4.FlagTTL
}
for i, toggle := range []bool{true, false, true} {
wb, err := (&icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(nil)
if err != nil {
t.Fatal(err)
}
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
p.SetTTL(i + 1)
if err := p.SetWriteDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, err := p.WriteTo(wb, nil, dst); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
loop:
if err := p.SetReadDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, _, _, err := p.ReadFrom(rb); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels have some limitation on receiving icmp packet through raw socket
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
} else {
m, err := icmp.ParseMessage(iana.ProtocolICMP, rb[:n])
if err != nil {
t.Fatal(err)
}
if runtime.GOOS == "linux" && m.Type == ipv4.ICMPTypeEcho {
// On Linux we must handle own sent packets.
goto loop
}
if m.Type != ipv4.ICMPTypeEchoReply || m.Code != 0 {
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv4.ICMPTypeEchoReply, 0)
}
}
}
}
func TestRawConnReadWriteUnicastICMP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
if err != nil {
t.Fatal(err)
}
defer c.Close()
dst, err := net.ResolveIPAddr("ip4", "127.0.0.1")
if err != nil {
t.Fatal(err)
}
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
defer r.Close()
cf := ipv4.FlagTTL | ipv4.FlagDst | ipv4.FlagInterface
for i, toggle := range []bool{true, false, true} {
wb, err := (&icmp.Message{
Type: ipv4.ICMPTypeEcho, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(nil)
if err != nil {
t.Fatal(err)
}
wh := &ipv4.Header{
Version: ipv4.Version,
Len: ipv4.HeaderLen,
TOS: i + 1,
TotalLen: ipv4.HeaderLen + len(wb),
TTL: i + 1,
Protocol: 1,
Dst: dst.IP,
}
if err := r.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := r.SetWriteDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if err := r.WriteTo(wh, wb, nil); err != nil {
t.Fatal(err)
}
rb := make([]byte, ipv4.HeaderLen+128)
loop:
if err := r.SetReadDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if _, b, _, err := r.ReadFrom(rb); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels have some limitation on receiving icmp packet through raw socket
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
} else {
m, err := icmp.ParseMessage(iana.ProtocolICMP, b)
if err != nil {
t.Fatal(err)
}
if runtime.GOOS == "linux" && m.Type == ipv4.ICMPTypeEcho {
// On Linux we must handle own sent packets.
goto loop
}
if m.Type != ipv4.ICMPTypeEchoReply || m.Code != 0 {
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv4.ICMPTypeEchoReply, 0)
}
}
}
}

148
vendor/golang.org/x/net/ipv4/unicastsockopt_test.go generated vendored
View File

@ -1,148 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv4_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv4"
)
func TestConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
ln, err := net.Listen("tcp4", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
errc := make(chan error, 1)
go func() {
c, err := ln.Accept()
if err != nil {
errc <- err
return
}
errc <- c.Close()
}()
c, err := net.Dial("tcp4", ln.Addr().String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
testUnicastSocketOptions(t, ipv4.NewConn(c))
if err := <-errc; err != nil {
t.Errorf("server: %v", err)
}
}
var packetConnUnicastSocketOptionTests = []struct {
net, proto, addr string
}{
{"udp4", "", "127.0.0.1:0"},
{"ip4", ":icmp", "127.0.0.1"},
}
func TestPacketConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
m, ok := nettest.SupportsRawIPSocket()
for _, tt := range packetConnUnicastSocketOptionTests {
if tt.net == "ip4" && !ok {
t.Log(m)
continue
}
c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
testUnicastSocketOptions(t, ipv4.NewPacketConn(c))
}
}
func TestRawConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
c, err := net.ListenPacket("ip4:icmp", "127.0.0.1")
if err != nil {
t.Fatal(err)
}
defer c.Close()
r, err := ipv4.NewRawConn(c)
if err != nil {
t.Fatal(err)
}
testUnicastSocketOptions(t, r)
}
type testIPv4UnicastConn interface {
TOS() (int, error)
SetTOS(int) error
TTL() (int, error)
SetTTL(int) error
}
func testUnicastSocketOptions(t *testing.T, c testIPv4UnicastConn) {
tos := iana.DiffServCS0 | iana.NotECNTransport
switch runtime.GOOS {
case "windows":
// IP_TOS option is supported on Windows 8 and beyond.
t.Skipf("not supported on %s", runtime.GOOS)
}
if err := c.SetTOS(tos); err != nil {
t.Fatal(err)
}
if v, err := c.TOS(); err != nil {
t.Fatal(err)
} else if v != tos {
t.Fatalf("got %v; want %v", v, tos)
}
const ttl = 255
if err := c.SetTTL(ttl); err != nil {
t.Fatal(err)
}
if v, err := c.TTL(); err != nil {
t.Fatal(err)
} else if v != ttl {
t.Fatalf("got %v; want %v", v, ttl)
}
}

96
vendor/golang.org/x/net/ipv6/bpf_test.go generated vendored
View File

@ -1,96 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"runtime"
"testing"
"time"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv6"
)
func TestBPF(t *testing.T) {
if runtime.GOOS != "linux" {
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
l, err := net.ListenPacket("udp6", "[::1]:0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
p := ipv6.NewPacketConn(l)
// This filter accepts UDP packets whose first payload byte is
// even.
prog, err := bpf.Assemble([]bpf.Instruction{
// Load the first byte of the payload (skipping UDP header).
bpf.LoadAbsolute{Off: 8, Size: 1},
// Select LSB of the byte.
bpf.ALUOpConstant{Op: bpf.ALUOpAnd, Val: 1},
// Byte is even?
bpf.JumpIf{Cond: bpf.JumpEqual, Val: 0, SkipFalse: 1},
// Accept.
bpf.RetConstant{Val: 4096},
// Ignore.
bpf.RetConstant{Val: 0},
})
if err != nil {
t.Fatalf("compiling BPF: %s", err)
}
if err = p.SetBPF(prog); err != nil {
t.Fatalf("attaching filter to Conn: %s", err)
}
s, err := net.Dial("udp6", l.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
defer s.Close()
go func() {
for i := byte(0); i < 10; i++ {
s.Write([]byte{i})
}
}()
l.SetDeadline(time.Now().Add(2 * time.Second))
seen := make([]bool, 5)
for {
var b [512]byte
n, _, err := l.ReadFrom(b[:])
if err != nil {
t.Fatalf("reading from listener: %s", err)
}
if n != 1 {
t.Fatalf("unexpected packet length, want 1, got %d", n)
}
if b[0] >= 10 {
t.Fatalf("unexpected byte, want 0-9, got %d", b[0])
}
if b[0]%2 != 0 {
t.Fatalf("got odd byte %d, wanted only even bytes", b[0])
}
seen[b[0]/2] = true
seenAll := true
for _, v := range seen {
if !v {
seenAll = false
break
}
}
if seenAll {
break
}
}
}

21
vendor/golang.org/x/net/ipv6/control_test.go generated vendored
View File

@ -1,21 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"testing"
"golang.org/x/net/ipv6"
)
func TestControlMessageParseWithFuzz(t *testing.T) {
var cm ipv6.ControlMessage
for _, fuzz := range []string{
"\f\x00\x00\x00)\x00\x00\x00.\x00\x00\x00",
"\f\x00\x00\x00)\x00\x00\x00,\x00\x00\x00",
} {
cm.Parse([]byte(fuzz))
}
}

216
vendor/golang.org/x/net/ipv6/example_test.go generated vendored
View File

@ -1,216 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"fmt"
"log"
"net"
"os"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/ipv6"
)
func ExampleConn_markingTCP() {
ln, err := net.Listen("tcp", "[::]:1024")
if err != nil {
log.Fatal(err)
}
defer ln.Close()
for {
c, err := ln.Accept()
if err != nil {
log.Fatal(err)
}
go func(c net.Conn) {
defer c.Close()
if c.RemoteAddr().(*net.TCPAddr).IP.To16() != nil && c.RemoteAddr().(*net.TCPAddr).IP.To4() == nil {
p := ipv6.NewConn(c)
if err := p.SetTrafficClass(0x28); err != nil { // DSCP AF11
log.Fatal(err)
}
if err := p.SetHopLimit(128); err != nil {
log.Fatal(err)
}
}
if _, err := c.Write([]byte("HELLO-R-U-THERE-ACK")); err != nil {
log.Fatal(err)
}
}(c)
}
}
func ExamplePacketConn_servingOneShotMulticastDNS() {
c, err := net.ListenPacket("udp6", "[::]:5353") // mDNS over UDP
if err != nil {
log.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
en0, err := net.InterfaceByName("en0")
if err != nil {
log.Fatal(err)
}
mDNSLinkLocal := net.UDPAddr{IP: net.ParseIP("ff02::fb")}
if err := p.JoinGroup(en0, &mDNSLinkLocal); err != nil {
log.Fatal(err)
}
defer p.LeaveGroup(en0, &mDNSLinkLocal)
if err := p.SetControlMessage(ipv6.FlagDst|ipv6.FlagInterface, true); err != nil {
log.Fatal(err)
}
var wcm ipv6.ControlMessage
b := make([]byte, 1500)
for {
_, rcm, peer, err := p.ReadFrom(b)
if err != nil {
log.Fatal(err)
}
if !rcm.Dst.IsMulticast() || !rcm.Dst.Equal(mDNSLinkLocal.IP) {
continue
}
wcm.IfIndex = rcm.IfIndex
answers := []byte("FAKE-MDNS-ANSWERS") // fake mDNS answers, you need to implement this
if _, err := p.WriteTo(answers, &wcm, peer); err != nil {
log.Fatal(err)
}
}
}
func ExamplePacketConn_tracingIPPacketRoute() {
// Tracing an IP packet route to www.google.com.
const host = "www.google.com"
ips, err := net.LookupIP(host)
if err != nil {
log.Fatal(err)
}
var dst net.IPAddr
for _, ip := range ips {
if ip.To16() != nil && ip.To4() == nil {
dst.IP = ip
fmt.Printf("using %v for tracing an IP packet route to %s\n", dst.IP, host)
break
}
}
if dst.IP == nil {
log.Fatal("no AAAA record found")
}
c, err := net.ListenPacket("ip6:58", "::") // ICMP for IPv6
if err != nil {
log.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
if err := p.SetControlMessage(ipv6.FlagHopLimit|ipv6.FlagSrc|ipv6.FlagDst|ipv6.FlagInterface, true); err != nil {
log.Fatal(err)
}
wm := icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff,
Data: []byte("HELLO-R-U-THERE"),
},
}
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeTimeExceeded)
f.Accept(ipv6.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); err != nil {
log.Fatal(err)
}
var wcm ipv6.ControlMessage
rb := make([]byte, 1500)
for i := 1; i <= 64; i++ { // up to 64 hops
wm.Body.(*icmp.Echo).Seq = i
wb, err := wm.Marshal(nil)
if err != nil {
log.Fatal(err)
}
// In the real world usually there are several
// multiple traffic-engineered paths for each hop.
// You may need to probe a few times to each hop.
begin := time.Now()
wcm.HopLimit = i
if _, err := p.WriteTo(wb, &wcm, &dst); err != nil {
log.Fatal(err)
}
if err := p.SetReadDeadline(time.Now().Add(3 * time.Second)); err != nil {
log.Fatal(err)
}
n, rcm, peer, err := p.ReadFrom(rb)
if err != nil {
if err, ok := err.(net.Error); ok && err.Timeout() {
fmt.Printf("%v\t*\n", i)
continue
}
log.Fatal(err)
}
rm, err := icmp.ParseMessage(58, rb[:n])
if err != nil {
log.Fatal(err)
}
rtt := time.Since(begin)
// In the real world you need to determine whether the
// received message is yours using ControlMessage.Src,
// ControlMesage.Dst, icmp.Echo.ID and icmp.Echo.Seq.
switch rm.Type {
case ipv6.ICMPTypeTimeExceeded:
names, _ := net.LookupAddr(peer.String())
fmt.Printf("%d\t%v %+v %v\n\t%+v\n", i, peer, names, rtt, rcm)
case ipv6.ICMPTypeEchoReply:
names, _ := net.LookupAddr(peer.String())
fmt.Printf("%d\t%v %+v %v\n\t%+v\n", i, peer, names, rtt, rcm)
return
}
}
}
func ExamplePacketConn_advertisingOSPFHello() {
c, err := net.ListenPacket("ip6:89", "::") // OSPF for IPv6
if err != nil {
log.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
en0, err := net.InterfaceByName("en0")
if err != nil {
log.Fatal(err)
}
allSPFRouters := net.IPAddr{IP: net.ParseIP("ff02::5")}
if err := p.JoinGroup(en0, &allSPFRouters); err != nil {
log.Fatal(err)
}
defer p.LeaveGroup(en0, &allSPFRouters)
hello := make([]byte, 24) // fake hello data, you need to implement this
ospf := make([]byte, 16) // fake ospf header, you need to implement this
ospf[0] = 3 // version 3
ospf[1] = 1 // hello packet
ospf = append(ospf, hello...)
if err := p.SetChecksum(true, 12); err != nil {
log.Fatal(err)
}
cm := ipv6.ControlMessage{
TrafficClass: 0xc0, // DSCP CS6
HopLimit: 1,
IfIndex: en0.Index,
}
if _, err := p.WriteTo(ospf, &cm, &allSPFRouters); err != nil {
log.Fatal(err)
}
}

55
vendor/golang.org/x/net/ipv6/header_test.go generated vendored
View File

@ -1,55 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"reflect"
"strings"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/ipv6"
)
var (
wireHeaderFromKernel = [ipv6.HeaderLen]byte{
0x69, 0x8b, 0xee, 0xf1,
0xca, 0xfe, 0x2c, 0x01,
0x20, 0x01, 0x0d, 0xb8,
0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0d, 0xb8,
0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
}
testHeader = &ipv6.Header{
Version: ipv6.Version,
TrafficClass: iana.DiffServAF43,
FlowLabel: 0xbeef1,
PayloadLen: 0xcafe,
NextHeader: iana.ProtocolIPv6Frag,
HopLimit: 1,
Src: net.ParseIP("2001:db8:1::1"),
Dst: net.ParseIP("2001:db8:2::1"),
}
)
func TestParseHeader(t *testing.T) {
h, err := ipv6.ParseHeader(wireHeaderFromKernel[:])
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(h, testHeader) {
t.Fatalf("got %#v; want %#v", h, testHeader)
}
s := h.String()
if strings.Contains(s, ",") {
t.Fatalf("should be space-separated values: %s", s)
}
}

96
vendor/golang.org/x/net/ipv6/icmp_test.go generated vendored
View File

@ -1,96 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"reflect"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
var icmpStringTests = []struct {
in ipv6.ICMPType
out string
}{
{ipv6.ICMPTypeDestinationUnreachable, "destination unreachable"},
{256, "<nil>"},
}
func TestICMPString(t *testing.T) {
for _, tt := range icmpStringTests {
s := tt.in.String()
if s != tt.out {
t.Errorf("got %s; want %s", s, tt.out)
}
}
}
func TestICMPFilter(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
var f ipv6.ICMPFilter
for _, toggle := range []bool{false, true} {
f.SetAll(toggle)
for _, typ := range []ipv6.ICMPType{
ipv6.ICMPTypeDestinationUnreachable,
ipv6.ICMPTypeEchoReply,
ipv6.ICMPTypeNeighborSolicitation,
ipv6.ICMPTypeDuplicateAddressConfirmation,
} {
f.Accept(typ)
if f.WillBlock(typ) {
t.Errorf("ipv6.ICMPFilter.Set(%v, false) failed", typ)
}
f.Block(typ)
if !f.WillBlock(typ) {
t.Errorf("ipv6.ICMPFilter.Set(%v, true) failed", typ)
}
}
}
}
func TestSetICMPFilter(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket("ip6:ipv6-icmp", "::1")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeEchoRequest)
f.Accept(ipv6.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); err != nil {
t.Fatal(err)
}
kf, err := p.ICMPFilter()
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(kf, &f) {
t.Fatalf("got %#v; want %#v", kf, f)
}
}

32
vendor/golang.org/x/net/ipv6/mocktransponder_test.go generated vendored
View File

@ -1,32 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"testing"
)
func connector(t *testing.T, network, addr string, done chan<- bool) {
defer func() { done <- true }()
c, err := net.Dial(network, addr)
if err != nil {
t.Error(err)
return
}
c.Close()
}
func acceptor(t *testing.T, ln net.Listener, done chan<- bool) {
defer func() { done <- true }()
c, err := ln.Accept()
if err != nil {
t.Error(err)
return
}
c.Close()
}

264
vendor/golang.org/x/net/ipv6/multicast_test.go generated vendored
View File

@ -1,264 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"bytes"
"net"
"os"
"runtime"
"testing"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
var packetConnReadWriteMulticastUDPTests = []struct {
addr string
grp, src *net.UDPAddr
}{
{"[ff02::]:0", &net.UDPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
{"[ff30::8000:0]:0", &net.UDPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.UDPAddr{IP: net.IPv6loopback}}, // see RFC 5771
}
func TestPacketConnReadWriteMulticastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if !nettest.SupportsIPv6MulticastDeliveryOnLoopback() {
t.Skipf("multicast delivery doesn't work correctly on %s", runtime.GOOS)
}
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range packetConnReadWriteMulticastUDPTests {
c, err := net.ListenPacket("udp6", tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
grp := *tt.grp
grp.Port = c.LocalAddr().(*net.UDPAddr).Port
p := ipv6.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
if err := p.JoinGroup(ifi, &grp); err != nil {
t.Fatal(err)
}
defer p.LeaveGroup(ifi, &grp)
} else {
if err := p.JoinSourceSpecificGroup(ifi, &grp, tt.src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support MLDv2 fail here
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
defer p.LeaveSourceSpecificGroup(ifi, &grp, tt.src)
}
if err := p.SetMulticastInterface(ifi); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastInterface(); err != nil {
t.Fatal(err)
}
if err := p.SetMulticastLoopback(true); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastLoopback(); err != nil {
t.Fatal(err)
}
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
Src: net.IPv6loopback,
IfIndex: ifi.Index,
}
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
wb := []byte("HELLO-R-U-THERE")
for i, toggle := range []bool{true, false, true} {
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Fatal(err)
}
cm.HopLimit = i + 1
if n, err := p.WriteTo(wb, &cm, &grp); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatal(err)
}
rb := make([]byte, 128)
if n, _, _, err := p.ReadFrom(rb); err != nil {
t.Fatal(err)
} else if !bytes.Equal(rb[:n], wb) {
t.Fatalf("got %v; want %v", rb[:n], wb)
}
}
}
}
var packetConnReadWriteMulticastICMPTests = []struct {
grp, src *net.IPAddr
}{
{&net.IPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
{&net.IPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.IPAddr{IP: net.IPv6loopback}}, // see RFC 5771
}
func TestPacketConnReadWriteMulticastICMP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if !nettest.SupportsIPv6MulticastDeliveryOnLoopback() {
t.Skipf("multicast delivery doesn't work correctly on %s", runtime.GOOS)
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
for _, tt := range packetConnReadWriteMulticastICMPTests {
c, err := net.ListenPacket("ip6:ipv6-icmp", "::")
if err != nil {
t.Fatal(err)
}
defer c.Close()
pshicmp := icmp.IPv6PseudoHeader(c.LocalAddr().(*net.IPAddr).IP, tt.grp.IP)
p := ipv6.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
if err := p.JoinGroup(ifi, tt.grp); err != nil {
t.Fatal(err)
}
defer p.LeaveGroup(ifi, tt.grp)
} else {
if err := p.JoinSourceSpecificGroup(ifi, tt.grp, tt.src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support MLDv2 fail here
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
defer p.LeaveSourceSpecificGroup(ifi, tt.grp, tt.src)
}
if err := p.SetMulticastInterface(ifi); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastInterface(); err != nil {
t.Fatal(err)
}
if err := p.SetMulticastLoopback(true); err != nil {
t.Fatal(err)
}
if _, err := p.MulticastLoopback(); err != nil {
t.Fatal(err)
}
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
Src: net.IPv6loopback,
IfIndex: ifi.Index,
}
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); err != nil {
t.Fatal(err)
}
var psh []byte
for i, toggle := range []bool{true, false, true} {
if toggle {
psh = nil
if err := p.SetChecksum(true, 2); err != nil {
// Solaris never allows to
// modify ICMP properties.
if runtime.GOOS != "solaris" {
t.Fatal(err)
}
}
} else {
psh = pshicmp
// Some platforms never allow to
// disable the kernel checksum
// processing.
p.SetChecksum(false, -1)
}
wb, err := (&icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(psh)
if err != nil {
t.Fatal(err)
}
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
if err := p.SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Fatal(err)
}
cm.HopLimit = i + 1
if n, err := p.WriteTo(wb, &cm, tt.grp); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if n, _, _, err := p.ReadFrom(rb); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels have some limitation on receiving icmp packet through raw socket
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
} else {
if m, err := icmp.ParseMessage(iana.ProtocolIPv6ICMP, rb[:n]); err != nil {
t.Fatal(err)
} else if m.Type != ipv6.ICMPTypeEchoReply || m.Code != 0 {
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv6.ICMPTypeEchoReply, 0)
}
}
}
}
}

261
vendor/golang.org/x/net/ipv6/multicastlistener_test.go generated vendored
View File

@ -1,261 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
var udpMultipleGroupListenerTests = []net.Addr{
&net.UDPAddr{IP: net.ParseIP("ff02::114")}, // see RFC 4727
&net.UDPAddr{IP: net.ParseIP("ff02::1:114")},
&net.UDPAddr{IP: net.ParseIP("ff02::2:114")},
}
func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
for _, gaddr := range udpMultipleGroupListenerTests {
c, err := net.ListenPacket("udp6", "[::]:0") // wildcard address with non-reusable port
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
continue
}
if err := p.JoinGroup(&ifi, gaddr); err != nil {
t.Fatal(err)
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
if err := p.LeaveGroup(ifi, gaddr); err != nil {
t.Fatal(err)
}
}
}
}
func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
for _, gaddr := range udpMultipleGroupListenerTests {
c1, err := net.ListenPacket("udp6", "[ff02::]:0") // wildcard address with reusable port
if err != nil {
t.Fatal(err)
}
defer c1.Close()
_, port, err := net.SplitHostPort(c1.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
c2, err := net.ListenPacket("udp6", net.JoinHostPort("ff02::", port)) // wildcard address with reusable port
if err != nil {
t.Fatal(err)
}
defer c2.Close()
var ps [2]*ipv6.PacketConn
ps[0] = ipv6.NewPacketConn(c1)
ps[1] = ipv6.NewPacketConn(c2)
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
continue
}
for _, p := range ps {
if err := p.JoinGroup(&ifi, gaddr); err != nil {
t.Fatal(err)
}
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
for _, p := range ps {
if err := p.LeaveGroup(ifi, gaddr); err != nil {
t.Fatal(err)
}
}
}
}
}
func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
type ml struct {
c *ipv6.PacketConn
ifi *net.Interface
}
var mlt []*ml
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
port := "0"
for i, ifi := range ift {
ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
if !ok {
continue
}
c, err := net.ListenPacket("udp6", net.JoinHostPort(ip.String()+"%"+ifi.Name, port)) // unicast address with non-reusable port
if err != nil {
// The listen may fail when the serivce is
// already in use, but it's fine because the
// purpose of this is not to test the
// bookkeeping of IP control block inside the
// kernel.
t.Log(err)
continue
}
defer c.Close()
if port == "0" {
_, port, err = net.SplitHostPort(c.LocalAddr().String())
if err != nil {
t.Fatal(err)
}
}
p := ipv6.NewPacketConn(c)
if err := p.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mlt = append(mlt, &ml{p, &ift[i]})
}
for _, m := range mlt {
if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}
func TestIPSinglePacketConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket("ip6:ipv6-icmp", "::") // wildcard address
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
var mift []*net.Interface
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
continue
}
if err := p.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mift = append(mift, &ift[i])
}
for _, ifi := range mift {
if err := p.LeaveGroup(ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}
func TestIPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
switch runtime.GOOS {
case "darwin", "dragonfly", "openbsd": // platforms that return fe80::1%lo0: bind: can't assign requested address
t.Skipf("not supported on %s", runtime.GOOS)
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
type ml struct {
c *ipv6.PacketConn
ifi *net.Interface
}
var mlt []*ml
ift, err := net.Interfaces()
if err != nil {
t.Fatal(err)
}
for i, ifi := range ift {
ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
if !ok {
continue
}
c, err := net.ListenPacket("ip6:ipv6-icmp", ip.String()+"%"+ifi.Name) // unicast address
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
if err := p.JoinGroup(&ifi, &gaddr); err != nil {
t.Fatal(err)
}
mlt = append(mlt, &ml{p, &ift[i]})
}
for _, m := range mlt {
if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
t.Fatal(err)
}
}
}

157
vendor/golang.org/x/net/ipv6/multicastsockopt_test.go generated vendored
View File

@ -1,157 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
var packetConnMulticastSocketOptionTests = []struct {
net, proto, addr string
grp, src net.Addr
}{
{"udp6", "", "[ff02::]:0", &net.UDPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
{"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff02::115")}, nil}, // see RFC 4727
{"udp6", "", "[ff30::8000:0]:0", &net.UDPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.UDPAddr{IP: net.IPv6loopback}}, // see RFC 5771
{"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff30::8000:2")}, &net.IPAddr{IP: net.IPv6loopback}}, // see RFC 5771
}
func TestPacketConnMulticastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
if ifi == nil {
t.Skipf("not available on %s", runtime.GOOS)
}
m, ok := nettest.SupportsRawIPSocket()
for _, tt := range packetConnMulticastSocketOptionTests {
if tt.net == "ip6" && !ok {
t.Log(m)
continue
}
c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
defer p.Close()
if tt.src == nil {
testMulticastSocketOptions(t, p, ifi, tt.grp)
} else {
testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
}
}
}
type testIPv6MulticastConn interface {
MulticastHopLimit() (int, error)
SetMulticastHopLimit(ttl int) error
MulticastLoopback() (bool, error)
SetMulticastLoopback(bool) error
JoinGroup(*net.Interface, net.Addr) error
LeaveGroup(*net.Interface, net.Addr) error
JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
}
func testMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp net.Addr) {
const hoplim = 255
if err := c.SetMulticastHopLimit(hoplim); err != nil {
t.Error(err)
return
}
if v, err := c.MulticastHopLimit(); err != nil {
t.Error(err)
return
} else if v != hoplim {
t.Errorf("got %v; want %v", v, hoplim)
return
}
for _, toggle := range []bool{true, false} {
if err := c.SetMulticastLoopback(toggle); err != nil {
t.Error(err)
return
}
if v, err := c.MulticastLoopback(); err != nil {
t.Error(err)
return
} else if v != toggle {
t.Errorf("got %v; want %v", v, toggle)
return
}
}
if err := c.JoinGroup(ifi, grp); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
}
func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp, src net.Addr) {
// MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
if err := c.JoinGroup(ifi, grp); err != nil {
t.Error(err)
return
}
if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
switch runtime.GOOS {
case "freebsd", "linux":
default: // platforms that don't support MLDv2 fail here
t.Logf("not supported on %s", runtime.GOOS)
return
}
t.Error(err)
return
}
if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
// MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
t.Error(err)
return
}
if err := c.LeaveGroup(ifi, grp); err != nil {
t.Error(err)
return
}
}

242
vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go generated vendored
View File

@ -1,242 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.9
package ipv6_test
import (
"bytes"
"fmt"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
b.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph := []byte{
0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
}
greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
bb := make([]byte, 128)
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
Src: net.IPv6loopback,
}
if ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback); ifi != nil {
cm.IfIndex = ifi.Index
}
b.Run("UDP", func(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv6.FlagHopLimit | ipv6.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(payload, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(payload, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
})
b.Run("IP", func(b *testing.B) {
switch runtime.GOOS {
case "netbsd":
b.Skip("need to configure gre on netbsd")
case "openbsd":
b.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(datagram, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
})
}
func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph := []byte{
0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
}
greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
t.Run("UDP", func(t *testing.T) {
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr())
})
})
t.Run("IP", func(t *testing.T) {
switch runtime.GOOS {
case "netbsd":
t.Skip("need to configure gre on netbsd")
case "openbsd":
t.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr())
})
})
}
func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv6.PacketConn, data []byte, dst net.Addr) {
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
b := make([]byte, 128)
n, cm, _, err := p.ReadFrom(b)
if err != nil {
t.Error(err)
return
}
if !bytes.Equal(b[:n], data) {
t.Errorf("got %#v; want %#v", b[:n], data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
Src: net.IPv6loopback,
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
n, err := p.WriteTo(data, &cm, dst)
if err != nil {
t.Error(err)
return
}
if n != len(data) {
t.Errorf("got %d; want %d", n, len(data))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
go writer(i%2 != 0)
}
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Wait()
}

373
vendor/golang.org/x/net/ipv6/readwrite_go1_9_test.go generated vendored
View File

@ -1,373 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
package ipv6_test
import (
"bytes"
"fmt"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
b.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph := []byte{
0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
}
greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
bb := make([]byte, 128)
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
Src: net.IPv6loopback,
}
if ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback); ifi != nil {
cm.IfIndex = ifi.Index
}
b.Run("UDP", func(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv6.FlagHopLimit | ipv6.FlagInterface
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
wms := []ipv6.Message{
{
Buffers: [][]byte{payload},
Addr: dst,
OOB: cm.Marshal(),
},
}
rms := []ipv6.Message{
{
Buffers: [][]byte{bb},
OOB: ipv6.NewControlMessage(cf),
},
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(payload, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(payload, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("Batch", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteBatch(wms, 0); err != nil {
b.Fatal(err)
}
if _, err := p.ReadBatch(rms, 0); err != nil {
b.Fatal(err)
}
}
})
})
b.Run("IP", func(b *testing.B) {
switch runtime.GOOS {
case "netbsd":
b.Skip("need to configure gre on netbsd")
case "openbsd":
b.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
dst := c.LocalAddr()
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
wms := []ipv6.Message{
{
Buffers: [][]byte{datagram},
Addr: dst,
OOB: cm.Marshal(),
},
}
rms := []ipv6.Message{
{
Buffers: [][]byte{bb},
OOB: ipv6.NewControlMessage(cf),
},
}
b.Run("Net", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(datagram, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("ToFrom", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(bb); err != nil {
b.Fatal(err)
}
}
})
b.Run("Batch", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := p.WriteBatch(wms, 0); err != nil {
b.Fatal(err)
}
if _, err := p.ReadBatch(rms, 0); err != nil {
b.Fatal(err)
}
}
})
})
}
func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
payload := []byte("HELLO-R-U-THERE")
iph := []byte{
0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
}
greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
datagram := append(greh, append(iph, payload...)...)
t.Run("UDP", func(t *testing.T) {
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), false)
})
t.Run("Batch", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), true)
})
})
t.Run("IP", func(t *testing.T) {
switch runtime.GOOS {
case "netbsd":
t.Skip("need to configure gre on netbsd")
case "openbsd":
t.Skip("net.inet.gre.allow=0 by default on openbsd")
}
c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
if err != nil {
t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
t.Run("ToFrom", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), false)
})
t.Run("Batch", func(t *testing.T) {
testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), true)
})
})
}
func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv6.PacketConn, data []byte, dst net.Addr, batch bool) {
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
b := make([]byte, 128)
n, cm, _, err := p.ReadFrom(b)
if err != nil {
t.Error(err)
return
}
if !bytes.Equal(b[:n], data) {
t.Errorf("got %#v; want %#v", b[:n], data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
batchReader := func() {
defer wg.Done()
ms := []ipv6.Message{
{
Buffers: [][]byte{make([]byte, 128)},
OOB: ipv6.NewControlMessage(cf),
},
}
n, err := p.ReadBatch(ms, 0)
if err != nil {
t.Error(err)
return
}
if n != len(ms) {
t.Errorf("got %d; want %d", n, len(ms))
return
}
var cm ipv6.ControlMessage
if err := cm.Parse(ms[0].OOB[:ms[0].NN]); err != nil {
t.Error(err)
return
}
b := ms[0].Buffers[0][:ms[0].N]
if !bytes.Equal(b, data) {
t.Errorf("got %#v; want %#v", b, data)
return
}
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
return
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
Src: net.IPv6loopback,
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
n, err := p.WriteTo(data, &cm, dst)
if err != nil {
t.Error(err)
return
}
if n != len(data) {
t.Errorf("got %d; want %d", n, len(data))
return
}
}
batchWriter := func(toggle bool) {
defer wg.Done()
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
Src: net.IPv6loopback,
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
ms := []ipv6.Message{
{
Buffers: [][]byte{data},
OOB: cm.Marshal(),
Addr: dst,
},
}
n, err := p.WriteBatch(ms, 0)
if err != nil {
t.Error(err)
return
}
if n != len(ms) {
t.Errorf("got %d; want %d", n, len(ms))
return
}
if ms[0].N != len(data) {
t.Errorf("got %d; want %d", ms[0].N, len(data))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
if batch {
go batchReader()
} else {
go reader()
}
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
if batch {
go batchWriter(i%2 != 0)
} else {
go writer(i%2 != 0)
}
}
wg.Add(N)
for i := 0; i < N; i++ {
if batch {
go batchReader()
} else {
go reader()
}
}
wg.Wait()
}

148
vendor/golang.org/x/net/ipv6/readwrite_test.go generated vendored
View File

@ -1,148 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"bytes"
"net"
"runtime"
"strings"
"sync"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
func BenchmarkReadWriteUnicast(b *testing.B) {
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
}
defer c.Close()
dst := c.LocalAddr()
wb, rb := []byte("HELLO-R-U-THERE"), make([]byte, 128)
b.Run("NetUDP", func(b *testing.B) {
for i := 0; i < b.N; i++ {
if _, err := c.WriteTo(wb, dst); err != nil {
b.Fatal(err)
}
if _, _, err := c.ReadFrom(rb); err != nil {
b.Fatal(err)
}
}
})
b.Run("IPv6UDP", func(b *testing.B) {
p := ipv6.NewPacketConn(c)
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
if err := p.SetControlMessage(cf, true); err != nil {
b.Fatal(err)
}
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
HopLimit: 1,
}
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
if ifi != nil {
cm.IfIndex = ifi.Index
}
for i := 0; i < b.N; i++ {
if _, err := p.WriteTo(wb, &cm, dst); err != nil {
b.Fatal(err)
}
if _, _, _, err := p.ReadFrom(rb); err != nil {
b.Fatal(err)
}
}
})
}
func TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
defer p.Close()
dst := c.LocalAddr()
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
wb := []byte("HELLO-R-U-THERE")
if err := p.SetControlMessage(cf, true); err != nil { // probe before test
if nettest.ProtocolNotSupported(err) {
t.Skipf("not supported on %s", runtime.GOOS)
}
t.Fatal(err)
}
var wg sync.WaitGroup
reader := func() {
defer wg.Done()
rb := make([]byte, 128)
if n, cm, _, err := p.ReadFrom(rb); err != nil {
t.Error(err)
return
} else if !bytes.Equal(rb[:n], wb) {
t.Errorf("got %v; want %v", rb[:n], wb)
return
} else {
s := cm.String()
if strings.Contains(s, ",") {
t.Errorf("should be space-separated values: %s", s)
}
}
}
writer := func(toggle bool) {
defer wg.Done()
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
Src: net.IPv6loopback,
}
if ifi != nil {
cm.IfIndex = ifi.Index
}
if err := p.SetControlMessage(cf, toggle); err != nil {
t.Error(err)
return
}
if n, err := p.WriteTo(wb, &cm, dst); err != nil {
t.Error(err)
return
} else if n != len(wb) {
t.Errorf("got %d; want %d", n, len(wb))
return
}
}
const N = 10
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Add(2 * N)
for i := 0; i < 2*N; i++ {
go writer(i%2 != 0)
}
wg.Add(N)
for i := 0; i < N; i++ {
go reader()
}
wg.Wait()
}

133
vendor/golang.org/x/net/ipv6/sockopt_test.go generated vendored
View File

@ -1,133 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"fmt"
"net"
"runtime"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
var supportsIPv6 bool = nettest.SupportsIPv6()
func TestConnInitiatorPathMTU(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
ln, err := net.Listen("tcp6", "[::1]:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
done := make(chan bool)
go acceptor(t, ln, done)
c, err := net.Dial("tcp6", ln.Addr().String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
t.Logf("not supported on %s", runtime.GOOS)
default:
t.Fatal(err)
}
} else {
t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
}
<-done
}
func TestConnResponderPathMTU(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
ln, err := net.Listen("tcp6", "[::1]:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
done := make(chan bool)
go connector(t, "tcp6", ln.Addr().String(), done)
c, err := ln.Accept()
if err != nil {
t.Fatal(err)
}
defer c.Close()
if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
t.Logf("not supported on %s", runtime.GOOS)
default:
t.Fatal(err)
}
} else {
t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
}
<-done
}
func TestPacketConnChecksum(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolOSPFIGP), "::") // OSPF for IPv6
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
offset := 12 // see RFC 5340
for _, toggle := range []bool{false, true} {
if err := p.SetChecksum(toggle, offset); err != nil {
if toggle {
t.Fatalf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
} else {
// Some platforms never allow to disable the kernel
// checksum processing.
t.Logf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
}
}
if on, offset, err := p.Checksum(); err != nil {
t.Fatal(err)
} else {
t.Logf("kernel checksum processing enabled=%v, offset=%v", on, offset)
}
}
}

184
vendor/golang.org/x/net/ipv6/unicast_test.go generated vendored
View File

@ -1,184 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"bytes"
"net"
"os"
"runtime"
"testing"
"time"
"golang.org/x/net/icmp"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
func TestPacketConnReadWriteUnicastUDP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
c, err := nettest.NewLocalPacketListener("udp6")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
defer p.Close()
dst := c.LocalAddr()
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
Src: net.IPv6loopback,
}
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
if ifi != nil {
cm.IfIndex = ifi.Index
}
wb := []byte("HELLO-R-U-THERE")
for i, toggle := range []bool{true, false, true} {
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
cm.HopLimit = i + 1
if err := p.SetWriteDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, err := p.WriteTo(wb, &cm, dst); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if err := p.SetReadDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, _, _, err := p.ReadFrom(rb); err != nil {
t.Fatal(err)
} else if !bytes.Equal(rb[:n], wb) {
t.Fatalf("got %v; want %v", rb[:n], wb)
}
}
}
func TestPacketConnReadWriteUnicastICMP(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
if m, ok := nettest.SupportsRawIPSocket(); !ok {
t.Skip(m)
}
c, err := net.ListenPacket("ip6:ipv6-icmp", "::1")
if err != nil {
t.Fatal(err)
}
defer c.Close()
p := ipv6.NewPacketConn(c)
defer p.Close()
dst, err := net.ResolveIPAddr("ip6", "::1")
if err != nil {
t.Fatal(err)
}
pshicmp := icmp.IPv6PseudoHeader(c.LocalAddr().(*net.IPAddr).IP, dst.IP)
cm := ipv6.ControlMessage{
TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
Src: net.IPv6loopback,
}
cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
if ifi != nil {
cm.IfIndex = ifi.Index
}
var f ipv6.ICMPFilter
f.SetAll(true)
f.Accept(ipv6.ICMPTypeEchoReply)
if err := p.SetICMPFilter(&f); err != nil {
t.Fatal(err)
}
var psh []byte
for i, toggle := range []bool{true, false, true} {
if toggle {
psh = nil
if err := p.SetChecksum(true, 2); err != nil {
// Solaris never allows to modify
// ICMP properties.
if runtime.GOOS != "solaris" {
t.Fatal(err)
}
}
} else {
psh = pshicmp
// Some platforms never allow to disable the
// kernel checksum processing.
p.SetChecksum(false, -1)
}
wb, err := (&icmp.Message{
Type: ipv6.ICMPTypeEchoRequest, Code: 0,
Body: &icmp.Echo{
ID: os.Getpid() & 0xffff, Seq: i + 1,
Data: []byte("HELLO-R-U-THERE"),
},
}).Marshal(psh)
if err != nil {
t.Fatal(err)
}
if err := p.SetControlMessage(cf, toggle); err != nil {
if nettest.ProtocolNotSupported(err) {
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
}
cm.HopLimit = i + 1
if err := p.SetWriteDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, err := p.WriteTo(wb, &cm, dst); err != nil {
t.Fatal(err)
} else if n != len(wb) {
t.Fatalf("got %v; want %v", n, len(wb))
}
rb := make([]byte, 128)
if err := p.SetReadDeadline(time.Now().Add(100 * time.Millisecond)); err != nil {
t.Fatal(err)
}
if n, _, _, err := p.ReadFrom(rb); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels have some limitation on receiving icmp packet through raw socket
t.Logf("not supported on %s", runtime.GOOS)
continue
}
t.Fatal(err)
} else {
if m, err := icmp.ParseMessage(iana.ProtocolIPv6ICMP, rb[:n]); err != nil {
t.Fatal(err)
} else if m.Type != ipv6.ICMPTypeEchoReply || m.Code != 0 {
t.Fatalf("got type=%v, code=%v; want type=%v, code=%v", m.Type, m.Code, ipv6.ICMPTypeEchoReply, 0)
}
}
}
}

120
vendor/golang.org/x/net/ipv6/unicastsockopt_test.go generated vendored
View File

@ -1,120 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package ipv6_test
import (
"net"
"runtime"
"testing"
"golang.org/x/net/internal/iana"
"golang.org/x/net/internal/nettest"
"golang.org/x/net/ipv6"
)
func TestConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
ln, err := net.Listen("tcp6", "[::1]:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
errc := make(chan error, 1)
go func() {
c, err := ln.Accept()
if err != nil {
errc <- err
return
}
errc <- c.Close()
}()
c, err := net.Dial("tcp6", ln.Addr().String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
testUnicastSocketOptions(t, ipv6.NewConn(c))
if err := <-errc; err != nil {
t.Errorf("server: %v", err)
}
}
var packetConnUnicastSocketOptionTests = []struct {
net, proto, addr string
}{
{"udp6", "", "[::1]:0"},
{"ip6", ":ipv6-icmp", "::1"},
}
func TestPacketConnUnicastSocketOptions(t *testing.T) {
switch runtime.GOOS {
case "js", "nacl", "plan9", "windows":
t.Skipf("not supported on %s", runtime.GOOS)
}
if !supportsIPv6 {
t.Skip("ipv6 is not supported")
}
m, ok := nettest.SupportsRawIPSocket()
for _, tt := range packetConnUnicastSocketOptionTests {
if tt.net == "ip6" && !ok {
t.Log(m)
continue
}
c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
testUnicastSocketOptions(t, ipv6.NewPacketConn(c))
}
}
type testIPv6UnicastConn interface {
TrafficClass() (int, error)
SetTrafficClass(int) error
HopLimit() (int, error)
SetHopLimit(int) error
}
func testUnicastSocketOptions(t *testing.T, c testIPv6UnicastConn) {
tclass := iana.DiffServCS0 | iana.NotECNTransport
if err := c.SetTrafficClass(tclass); err != nil {
switch runtime.GOOS {
case "darwin": // older darwin kernels don't support IPV6_TCLASS option
t.Logf("not supported on %s", runtime.GOOS)
goto next
}
t.Fatal(err)
}
if v, err := c.TrafficClass(); err != nil {
t.Fatal(err)
} else if v != tclass {
t.Fatalf("got %v; want %v", v, tclass)
}
next:
hoplim := 255
if err := c.SetHopLimit(hoplim); err != nil {
t.Fatal(err)
}
if v, err := c.HopLimit(); err != nil {
t.Fatal(err)
} else if v != hoplim {
t.Fatalf("got %v; want %v", v, hoplim)
}
}