From 6e2cb00008cbf09e556b00f87603797fcaa47e09 Mon Sep 17 00:00:00 2001 From: Christopher Speller Date: Mon, 16 Apr 2018 05:37:14 -0700 Subject: Depenancy upgrades and movign to dep. (#8630) --- vendor/golang.org/x/net/bpf/instructions.go | 32 +- vendor/golang.org/x/net/bpf/instructions_test.go | 525 --------------------- .../x/net/bpf/testdata/all_instructions.bpf | 1 - .../x/net/bpf/testdata/all_instructions.txt | 79 ---- vendor/golang.org/x/net/bpf/vm_aluop_test.go | 512 -------------------- vendor/golang.org/x/net/bpf/vm_bpf_test.go | 192 -------- vendor/golang.org/x/net/bpf/vm_extension_test.go | 49 -- vendor/golang.org/x/net/bpf/vm_jump_test.go | 380 --------------- vendor/golang.org/x/net/bpf/vm_load_test.go | 246 ---------- vendor/golang.org/x/net/bpf/vm_ret_test.go | 115 ----- vendor/golang.org/x/net/bpf/vm_scratch_test.go | 247 ---------- vendor/golang.org/x/net/bpf/vm_test.go | 144 ------ 12 files changed, 16 insertions(+), 2506 deletions(-) delete mode 100644 vendor/golang.org/x/net/bpf/instructions_test.go delete mode 100644 vendor/golang.org/x/net/bpf/testdata/all_instructions.bpf delete mode 100644 vendor/golang.org/x/net/bpf/testdata/all_instructions.txt delete mode 100644 vendor/golang.org/x/net/bpf/vm_aluop_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_bpf_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_extension_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_jump_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_load_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_ret_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_scratch_test.go delete mode 100644 vendor/golang.org/x/net/bpf/vm_test.go (limited to 'vendor/golang.org/x/net/bpf') diff --git a/vendor/golang.org/x/net/bpf/instructions.go b/vendor/golang.org/x/net/bpf/instructions.go index 3b4fd0891..f9dc0e8ee 100644 --- a/vendor/golang.org/x/net/bpf/instructions.go +++ b/vendor/golang.org/x/net/bpf/instructions.go @@ -198,7 +198,7 @@ func (a LoadConstant) Assemble() (RawInstruction, error) { return assembleLoad(a.Dst, 4, opAddrModeImmediate, a.Val) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadConstant) String() string { switch a.Dst { case RegA: @@ -224,7 +224,7 @@ func (a LoadScratch) Assemble() (RawInstruction, error) { return assembleLoad(a.Dst, 4, opAddrModeScratch, uint32(a.N)) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadScratch) String() string { switch a.Dst { case RegA: @@ -248,7 +248,7 @@ func (a LoadAbsolute) Assemble() (RawInstruction, error) { return assembleLoad(RegA, a.Size, opAddrModeAbsolute, a.Off) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadAbsolute) String() string { switch a.Size { case 1: // byte @@ -277,7 +277,7 @@ func (a LoadIndirect) Assemble() (RawInstruction, error) { return assembleLoad(RegA, a.Size, opAddrModeIndirect, a.Off) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadIndirect) String() string { switch a.Size { case 1: // byte @@ -306,7 +306,7 @@ func (a LoadMemShift) Assemble() (RawInstruction, error) { return assembleLoad(RegX, 1, opAddrModeMemShift, a.Off) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadMemShift) String() string { return fmt.Sprintf("ldx 4*([%d]&0xf)", a.Off) } @@ -325,7 +325,7 @@ func (a LoadExtension) Assemble() (RawInstruction, error) { return assembleLoad(RegA, 4, opAddrModeAbsolute, uint32(extOffset+a.Num)) } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a LoadExtension) String() string { switch a.Num { case ExtLen: @@ -392,7 +392,7 @@ func (a StoreScratch) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a StoreScratch) String() string { switch a.Src { case RegA: @@ -418,7 +418,7 @@ func (a ALUOpConstant) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a ALUOpConstant) String() string { switch a.Op { case ALUOpAdd: @@ -458,7 +458,7 @@ func (a ALUOpX) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a ALUOpX) String() string { switch a.Op { case ALUOpAdd: @@ -496,7 +496,7 @@ func (a NegateA) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a NegateA) String() string { return fmt.Sprintf("neg") } @@ -514,7 +514,7 @@ func (a Jump) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a Jump) String() string { return fmt.Sprintf("ja %d", a.Skip) } @@ -566,7 +566,7 @@ func (a JumpIf) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a JumpIf) String() string { switch a.Cond { // K == A @@ -621,7 +621,7 @@ func (a RetA) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a RetA) String() string { return fmt.Sprintf("ret a") } @@ -639,7 +639,7 @@ func (a RetConstant) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a RetConstant) String() string { return fmt.Sprintf("ret #%d", a.Val) } @@ -654,7 +654,7 @@ func (a TXA) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a TXA) String() string { return fmt.Sprintf("txa") } @@ -669,7 +669,7 @@ func (a TAX) Assemble() (RawInstruction, error) { }, nil } -// String returns the the instruction in assembler notation. +// String returns the instruction in assembler notation. func (a TAX) String() string { return fmt.Sprintf("tax") } diff --git a/vendor/golang.org/x/net/bpf/instructions_test.go b/vendor/golang.org/x/net/bpf/instructions_test.go deleted file mode 100644 index dde474aba..000000000 --- a/vendor/golang.org/x/net/bpf/instructions_test.go +++ /dev/null @@ -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) - } - } -} diff --git a/vendor/golang.org/x/net/bpf/testdata/all_instructions.bpf b/vendor/golang.org/x/net/bpf/testdata/all_instructions.bpf deleted file mode 100644 index f87144064..000000000 --- a/vendor/golang.org/x/net/bpf/testdata/all_instructions.bpf +++ /dev/null @@ -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, diff --git a/vendor/golang.org/x/net/bpf/testdata/all_instructions.txt b/vendor/golang.org/x/net/bpf/testdata/all_instructions.txt deleted file mode 100644 index 304550155..000000000 --- a/vendor/golang.org/x/net/bpf/testdata/all_instructions.txt +++ /dev/null @@ -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 constant -add #42 -sub #42 -mul #42 -div #42 -or #42 -and #42 -lsh #42 -rsh #42 -mod #42 -xor #42 - -# A 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 diff --git a/vendor/golang.org/x/net/bpf/vm_aluop_test.go b/vendor/golang.org/x/net/bpf/vm_aluop_test.go deleted file mode 100644 index 16678244a..000000000 --- a/vendor/golang.org/x/net/bpf/vm_aluop_test.go +++ /dev/null @@ -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) - } -} diff --git a/vendor/golang.org/x/net/bpf/vm_bpf_test.go b/vendor/golang.org/x/net/bpf/vm_bpf_test.go deleted file mode 100644 index 77fa8fe4a..000000000 --- a/vendor/golang.org/x/net/bpf/vm_bpf_test.go +++ /dev/null @@ -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 -} diff --git a/vendor/golang.org/x/net/bpf/vm_extension_test.go b/vendor/golang.org/x/net/bpf/vm_extension_test.go deleted file mode 100644 index 7a48c82f3..000000000 --- a/vendor/golang.org/x/net/bpf/vm_extension_test.go +++ /dev/null @@ -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) - } -} diff --git a/vendor/golang.org/x/net/bpf/vm_jump_test.go b/vendor/golang.org/x/net/bpf/vm_jump_test.go deleted file mode 100644 index e0a3a988b..000000000 --- a/vendor/golang.org/x/net/bpf/vm_jump_test.go +++ /dev/null @@ -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) - } -} diff --git a/vendor/golang.org/x/net/bpf/vm_load_test.go b/vendor/golang.org/x/net/bpf/vm_load_test.go deleted file mode 100644 index 04578b66b..000000000 --- a/vendor/golang.org/x/net/bpf/vm_load_test.go +++ /dev/null @@ -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 -} diff --git a/vendor/golang.org/x/net/bpf/vm_ret_test.go b/vendor/golang.org/x/net/bpf/vm_ret_test.go deleted file mode 100644 index 2d86eae3e..000000000 --- a/vendor/golang.org/x/net/bpf/vm_ret_test.go +++ /dev/null @@ -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) - } -} diff --git a/vendor/golang.org/x/net/bpf/vm_scratch_test.go b/vendor/golang.org/x/net/bpf/vm_scratch_test.go deleted file mode 100644 index e600e3c28..000000000 --- a/vendor/golang.org/x/net/bpf/vm_scratch_test.go +++ /dev/null @@ -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) - } -} diff --git a/vendor/golang.org/x/net/bpf/vm_test.go b/vendor/golang.org/x/net/bpf/vm_test.go deleted file mode 100644 index 6bd4dd5c3..000000000 --- a/vendor/golang.org/x/net/bpf/vm_test.go +++ /dev/null @@ -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 -// "" if it is nil. -func errStr(err error) string { - if err == nil { - return "" - } - - return err.Error() -} -- cgit v1.2.3-1-g7c22