From 8f91c777559748fa6e857d9fc1f4ae079a532813 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 3 Oct 2016 16:03:15 -0400 Subject: Adding ability to serve TLS directly from Mattermost server (#4119) --- vendor/golang.org/x/net/bpf/vm_jump_test.go | 380 ++++++++++++++++++++++++++++ 1 file changed, 380 insertions(+) create mode 100644 vendor/golang.org/x/net/bpf/vm_jump_test.go (limited to 'vendor/golang.org/x/net/bpf/vm_jump_test.go') diff --git a/vendor/golang.org/x/net/bpf/vm_jump_test.go b/vendor/golang.org/x/net/bpf/vm_jump_test.go new file mode 100644 index 000000000..e0a3a988b --- /dev/null +++ b/vendor/golang.org/x/net/bpf/vm_jump_test.go @@ -0,0 +1,380 @@ +// 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) + } +} -- cgit v1.2.3-1-g7c22