1174 lines
43 KiB
Go
1174 lines
43 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package asn1
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import (
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"bytes"
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"fmt"
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"math"
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"math/big"
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"reflect"
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"strings"
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"testing"
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"time"
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)
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type boolTest struct {
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in []byte
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ok bool
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out bool
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}
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var boolTestData = []boolTest{
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{[]byte{0x00}, true, false},
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{[]byte{0xff}, true, true},
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{[]byte{0x00, 0x00}, false, false},
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{[]byte{0xff, 0xff}, false, false},
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{[]byte{0x01}, false, false},
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}
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func TestParseBool(t *testing.T) {
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for i, test := range boolTestData {
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ret, err := parseBool(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if test.ok && ret != test.out {
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t.Errorf("#%d: Bad result: %v (expected %v)", i, ret, test.out)
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}
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}
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}
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type int64Test struct {
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in []byte
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ok bool
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out int64
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}
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var int64TestData = []int64Test{
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{[]byte{0x00}, true, 0},
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{[]byte{0x7f}, true, 127},
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{[]byte{0x00, 0x80}, true, 128},
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{[]byte{0x01, 0x00}, true, 256},
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{[]byte{0x80}, true, -128},
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{[]byte{0xff, 0x7f}, true, -129},
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{[]byte{0xff}, true, -1},
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{[]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, true, -9223372036854775808},
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{[]byte{0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, false, 0},
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{[]byte{}, false, 0},
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{[]byte{0x00, 0x7f}, false, 0},
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{[]byte{0xff, 0xf0}, false, 0},
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}
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func TestParseInt64(t *testing.T) {
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for i, test := range int64TestData {
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ret, err := parseInt64(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if test.ok && ret != test.out {
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t.Errorf("#%d: Bad result: %v (expected %v)", i, ret, test.out)
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}
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}
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}
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type int32Test struct {
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in []byte
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ok bool
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out int32
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}
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var int32TestData = []int32Test{
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{[]byte{0x00}, true, 0},
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{[]byte{0x7f}, true, 127},
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{[]byte{0x00, 0x80}, true, 128},
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{[]byte{0x01, 0x00}, true, 256},
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{[]byte{0x80}, true, -128},
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{[]byte{0xff, 0x7f}, true, -129},
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{[]byte{0xff}, true, -1},
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{[]byte{0x80, 0x00, 0x00, 0x00}, true, -2147483648},
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{[]byte{0x80, 0x00, 0x00, 0x00, 0x00}, false, 0},
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{[]byte{}, false, 0},
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{[]byte{0x00, 0x7f}, false, 0},
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{[]byte{0xff, 0xf0}, false, 0},
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}
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func TestParseInt32(t *testing.T) {
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for i, test := range int32TestData {
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ret, err := parseInt32(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if test.ok && int32(ret) != test.out {
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t.Errorf("#%d: Bad result: %v (expected %v)", i, ret, test.out)
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}
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}
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}
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var bigIntTests = []struct {
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in []byte
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ok bool
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base10 string
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}{
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{[]byte{0xff}, true, "-1"},
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{[]byte{0x00}, true, "0"},
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{[]byte{0x01}, true, "1"},
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{[]byte{0x00, 0xff}, true, "255"},
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{[]byte{0xff, 0x00}, true, "-256"},
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{[]byte{0x01, 0x00}, true, "256"},
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{[]byte{}, false, ""},
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{[]byte{0x00, 0x7f}, false, ""},
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{[]byte{0xff, 0xf0}, false, ""},
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}
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func TestParseBigInt(t *testing.T) {
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for i, test := range bigIntTests {
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ret, err := parseBigInt(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if test.ok {
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if ret.String() != test.base10 {
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t.Errorf("#%d: bad result from %x, got %s want %s", i, test.in, ret.String(), test.base10)
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}
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e, err := makeBigInt(ret, "fieldname")
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if err != nil {
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t.Errorf("%d: err=%q", i, err)
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continue
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}
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result := make([]byte, e.Len())
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e.Encode(result)
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if !bytes.Equal(result, test.in) {
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t.Errorf("#%d: got %x from marshaling %s, want %x", i, result, ret, test.in)
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}
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}
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}
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}
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type bitStringTest struct {
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in []byte
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ok bool
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out []byte
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bitLength int
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}
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var bitStringTestData = []bitStringTest{
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{[]byte{}, false, []byte{}, 0},
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{[]byte{0x00}, true, []byte{}, 0},
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{[]byte{0x07, 0x00}, true, []byte{0x00}, 1},
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{[]byte{0x07, 0x01}, false, []byte{}, 0},
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{[]byte{0x07, 0x40}, false, []byte{}, 0},
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{[]byte{0x08, 0x00}, false, []byte{}, 0},
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}
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func TestBitString(t *testing.T) {
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for i, test := range bitStringTestData {
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ret, err := parseBitString(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if err == nil {
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if test.bitLength != ret.BitLength || !bytes.Equal(ret.Bytes, test.out) {
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t.Errorf("#%d: Bad result: %v (expected %v %v)", i, ret, test.out, test.bitLength)
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}
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}
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}
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}
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func TestBitStringAt(t *testing.T) {
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bs := BitString{[]byte{0x82, 0x40}, 16}
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if bs.At(0) != 1 {
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t.Error("#1: Failed")
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}
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if bs.At(1) != 0 {
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t.Error("#2: Failed")
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}
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if bs.At(6) != 1 {
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t.Error("#3: Failed")
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}
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if bs.At(9) != 1 {
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t.Error("#4: Failed")
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}
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if bs.At(-1) != 0 {
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t.Error("#5: Failed")
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}
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if bs.At(17) != 0 {
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t.Error("#6: Failed")
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}
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}
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type bitStringRightAlignTest struct {
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in []byte
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inlen int
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out []byte
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}
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var bitStringRightAlignTests = []bitStringRightAlignTest{
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{[]byte{0x80}, 1, []byte{0x01}},
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{[]byte{0x80, 0x80}, 9, []byte{0x01, 0x01}},
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{[]byte{}, 0, []byte{}},
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{[]byte{0xce}, 8, []byte{0xce}},
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{[]byte{0xce, 0x47}, 16, []byte{0xce, 0x47}},
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{[]byte{0x34, 0x50}, 12, []byte{0x03, 0x45}},
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}
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func TestBitStringRightAlign(t *testing.T) {
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for i, test := range bitStringRightAlignTests {
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bs := BitString{test.in, test.inlen}
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out := bs.RightAlign()
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if !bytes.Equal(out, test.out) {
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t.Errorf("#%d got: %x want: %x", i, out, test.out)
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}
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}
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}
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type objectIdentifierTest struct {
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in []byte
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ok bool
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out []int
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}
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var objectIdentifierTestData = []objectIdentifierTest{
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{[]byte{}, false, []int{}},
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{[]byte{85}, true, []int{2, 5}},
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{[]byte{85, 0x02}, true, []int{2, 5, 2}},
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{[]byte{85, 0x02, 0xc0, 0x00}, true, []int{2, 5, 2, 0x2000}},
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{[]byte{0x81, 0x34, 0x03}, true, []int{2, 100, 3}},
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{[]byte{85, 0x02, 0xc0, 0x80, 0x80, 0x80, 0x80}, false, []int{}},
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}
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func TestObjectIdentifier(t *testing.T) {
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for i, test := range objectIdentifierTestData {
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ret, err := parseObjectIdentifier(test.in, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if err == nil {
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if !reflect.DeepEqual(test.out, ret) {
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t.Errorf("#%d: Bad result: %v (expected %v)", i, ret, test.out)
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}
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}
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}
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if s := ObjectIdentifier([]int{1, 2, 3, 4}).String(); s != "1.2.3.4" {
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t.Errorf("bad ObjectIdentifier.String(). Got %s, want 1.2.3.4", s)
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}
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}
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type timeTest struct {
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in string
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ok bool
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out time.Time
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}
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var utcTestData = []timeTest{
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{"910506164540-0700", true, time.Date(1991, 05, 06, 16, 45, 40, 0, time.FixedZone("", -7*60*60))},
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{"910506164540+0730", true, time.Date(1991, 05, 06, 16, 45, 40, 0, time.FixedZone("", 7*60*60+30*60))},
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{"910506234540Z", true, time.Date(1991, 05, 06, 23, 45, 40, 0, time.UTC)},
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{"9105062345Z", true, time.Date(1991, 05, 06, 23, 45, 0, 0, time.UTC)},
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{"5105062345Z", true, time.Date(1951, 05, 06, 23, 45, 0, 0, time.UTC)},
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{"a10506234540Z", false, time.Time{}},
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{"91a506234540Z", false, time.Time{}},
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{"9105a6234540Z", false, time.Time{}},
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{"910506a34540Z", false, time.Time{}},
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{"910506334a40Z", false, time.Time{}},
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{"91050633444aZ", false, time.Time{}},
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{"910506334461Z", false, time.Time{}},
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{"910506334400Za", false, time.Time{}},
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/* These are invalid times. However, the time package normalises times
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* and they were accepted in some versions. See #11134. */
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{"000100000000Z", false, time.Time{}},
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{"101302030405Z", false, time.Time{}},
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{"100002030405Z", false, time.Time{}},
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{"100100030405Z", false, time.Time{}},
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{"100132030405Z", false, time.Time{}},
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{"100231030405Z", false, time.Time{}},
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{"100102240405Z", false, time.Time{}},
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{"100102036005Z", false, time.Time{}},
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{"100102030460Z", false, time.Time{}},
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{"-100102030410Z", false, time.Time{}},
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{"10-0102030410Z", false, time.Time{}},
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{"10-0002030410Z", false, time.Time{}},
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{"1001-02030410Z", false, time.Time{}},
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{"100102-030410Z", false, time.Time{}},
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{"10010203-0410Z", false, time.Time{}},
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{"1001020304-10Z", false, time.Time{}},
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}
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func TestUTCTime(t *testing.T) {
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for i, test := range utcTestData {
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ret, err := parseUTCTime([]byte(test.in))
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if err != nil {
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if test.ok {
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t.Errorf("#%d: parseUTCTime(%q) = error %v", i, test.in, err)
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}
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continue
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}
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if !test.ok {
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t.Errorf("#%d: parseUTCTime(%q) succeeded, should have failed", i, test.in)
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continue
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}
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const format = "Jan _2 15:04:05 -0700 2006" // ignore zone name, just offset
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have := ret.Format(format)
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want := test.out.Format(format)
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if have != want {
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t.Errorf("#%d: parseUTCTime(%q) = %s, want %s", i, test.in, have, want)
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}
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}
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}
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var generalizedTimeTestData = []timeTest{
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{"20100102030405Z", true, time.Date(2010, 01, 02, 03, 04, 05, 0, time.UTC)},
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{"20100102030405", false, time.Time{}},
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{"20100102030405+0607", true, time.Date(2010, 01, 02, 03, 04, 05, 0, time.FixedZone("", 6*60*60+7*60))},
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{"20100102030405-0607", true, time.Date(2010, 01, 02, 03, 04, 05, 0, time.FixedZone("", -6*60*60-7*60))},
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/* These are invalid times. However, the time package normalises times
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* and they were accepted in some versions. See #11134. */
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{"00000100000000Z", false, time.Time{}},
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{"20101302030405Z", false, time.Time{}},
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{"20100002030405Z", false, time.Time{}},
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{"20100100030405Z", false, time.Time{}},
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{"20100132030405Z", false, time.Time{}},
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{"20100231030405Z", false, time.Time{}},
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{"20100102240405Z", false, time.Time{}},
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{"20100102036005Z", false, time.Time{}},
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{"20100102030460Z", false, time.Time{}},
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{"-20100102030410Z", false, time.Time{}},
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{"2010-0102030410Z", false, time.Time{}},
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{"2010-0002030410Z", false, time.Time{}},
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{"201001-02030410Z", false, time.Time{}},
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{"20100102-030410Z", false, time.Time{}},
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{"2010010203-0410Z", false, time.Time{}},
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{"201001020304-10Z", false, time.Time{}},
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}
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func TestGeneralizedTime(t *testing.T) {
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for i, test := range generalizedTimeTestData {
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ret, err := parseGeneralizedTime([]byte(test.in))
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did fail? %v, expected: %v)", i, err == nil, test.ok)
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}
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if err == nil {
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if !reflect.DeepEqual(test.out, ret) {
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t.Errorf("#%d: Bad result: %q → %v (expected %v)", i, test.in, ret, test.out)
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}
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}
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}
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}
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type tagAndLengthTest struct {
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in []byte
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ok bool
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out tagAndLength
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}
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var tagAndLengthData = []tagAndLengthTest{
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{[]byte{0x80, 0x01}, true, tagAndLength{2, 0, 1, false}},
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{[]byte{0xa0, 0x01}, true, tagAndLength{2, 0, 1, true}},
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{[]byte{0x02, 0x00}, true, tagAndLength{0, 2, 0, false}},
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{[]byte{0xfe, 0x00}, true, tagAndLength{3, 30, 0, true}},
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{[]byte{0x1f, 0x1f, 0x00}, true, tagAndLength{0, 31, 0, false}},
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{[]byte{0x1f, 0x81, 0x00, 0x00}, true, tagAndLength{0, 128, 0, false}},
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{[]byte{0x1f, 0x81, 0x80, 0x01, 0x00}, true, tagAndLength{0, 0x4001, 0, false}},
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{[]byte{0x00, 0x81, 0x80}, true, tagAndLength{0, 0, 128, false}},
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{[]byte{0x00, 0x82, 0x01, 0x00}, true, tagAndLength{0, 0, 256, false}},
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{[]byte{0x00, 0x83, 0x01, 0x00}, false, tagAndLength{}},
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{[]byte{0x1f, 0x85}, false, tagAndLength{}},
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{[]byte{0x30, 0x80}, false, tagAndLength{}},
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// Superfluous zeros in the length should be an error.
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{[]byte{0xa0, 0x82, 0x00, 0xff}, false, tagAndLength{}},
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// Lengths up to the maximum size of an int should work.
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{[]byte{0xa0, 0x84, 0x7f, 0xff, 0xff, 0xff}, true, tagAndLength{2, 0, 0x7fffffff, true}},
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// Lengths that would overflow an int should be rejected.
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{[]byte{0xa0, 0x84, 0x80, 0x00, 0x00, 0x00}, false, tagAndLength{}},
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// Long length form may not be used for lengths that fit in short form.
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{[]byte{0xa0, 0x81, 0x7f}, false, tagAndLength{}},
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// Tag numbers which would overflow int32 are rejected. (The value below is 2^31.)
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{[]byte{0x1f, 0x88, 0x80, 0x80, 0x80, 0x00, 0x00}, false, tagAndLength{}},
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// Tag numbers that fit in an int32 are valid. (The value below is 2^31 - 1.)
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{[]byte{0x1f, 0x87, 0xFF, 0xFF, 0xFF, 0x7F, 0x00}, true, tagAndLength{tag: math.MaxInt32}},
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// Long tag number form may not be used for tags that fit in short form.
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{[]byte{0x1f, 0x1e, 0x00}, false, tagAndLength{}},
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}
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func TestParseTagAndLength(t *testing.T) {
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for i, test := range tagAndLengthData {
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tagAndLength, _, err := parseTagAndLength(test.in, 0, "fieldname")
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if (err == nil) != test.ok {
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t.Errorf("#%d: Incorrect error result (did pass? %v, expected: %v)", i, err == nil, test.ok)
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}
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if err == nil && !reflect.DeepEqual(test.out, tagAndLength) {
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t.Errorf("#%d: Bad result: %v (expected %v)", i, tagAndLength, test.out)
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}
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}
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}
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type parseFieldParametersTest struct {
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in string
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out fieldParameters
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}
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func newInt(n int) *int { return &n }
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func newInt64(n int64) *int64 { return &n }
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func newString(s string) *string { return &s }
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func newBool(b bool) *bool { return &b }
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var parseFieldParametersTestData []parseFieldParametersTest = []parseFieldParametersTest{
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{"", fieldParameters{}},
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{"ia5", fieldParameters{stringType: TagIA5String}},
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{"generalized", fieldParameters{timeType: TagGeneralizedTime}},
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{"utc", fieldParameters{timeType: TagUTCTime}},
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{"printable", fieldParameters{stringType: TagPrintableString}},
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{"numeric", fieldParameters{stringType: TagNumericString}},
|
|
{"optional", fieldParameters{optional: true}},
|
|
{"explicit", fieldParameters{explicit: true, tag: new(int)}},
|
|
{"application", fieldParameters{application: true, tag: new(int)}},
|
|
{"optional,explicit", fieldParameters{optional: true, explicit: true, tag: new(int)}},
|
|
{"default:42", fieldParameters{defaultValue: newInt64(42)}},
|
|
{"tag:17", fieldParameters{tag: newInt(17)}},
|
|
{"optional,explicit,default:42,tag:17",
|
|
fieldParameters{optional: true, explicit: true, defaultValue: newInt64(42), tag: newInt(17)}},
|
|
{"optional,explicit,default:42,tag:17,rubbish1",
|
|
fieldParameters{optional: true, explicit: true, defaultValue: newInt64(42), tag: newInt(17)}},
|
|
{"set", fieldParameters{set: true}},
|
|
}
|
|
|
|
func TestParseFieldParameters(t *testing.T) {
|
|
for i, test := range parseFieldParametersTestData {
|
|
f := parseFieldParameters(test.in)
|
|
if !reflect.DeepEqual(f, test.out) {
|
|
t.Errorf("#%d: Bad result: %v (expected %v)", i, f, test.out)
|
|
}
|
|
}
|
|
}
|
|
|
|
type TestObjectIdentifierStruct struct {
|
|
OID ObjectIdentifier
|
|
}
|
|
|
|
type TestContextSpecificTags struct {
|
|
A int `asn1:"tag:1"`
|
|
}
|
|
|
|
type TestContextSpecificTags2 struct {
|
|
A int `asn1:"explicit,tag:1"`
|
|
B int
|
|
}
|
|
|
|
type TestContextSpecificTags3 struct {
|
|
S string `asn1:"tag:1,utf8"`
|
|
}
|
|
|
|
type TestElementsAfterString struct {
|
|
S string
|
|
A, B int
|
|
}
|
|
|
|
type TestBigInt struct {
|
|
X *big.Int
|
|
}
|
|
|
|
type TestSet struct {
|
|
Ints []int `asn1:"set"`
|
|
}
|
|
|
|
type TestAuthKeyID struct {
|
|
ID []byte `asn1:"optional,tag:0"`
|
|
Issuer RawValue `asn1:"optional,tag:1"`
|
|
SerialNumber *big.Int `asn1:"optional,tag:2"`
|
|
}
|
|
|
|
var unmarshalTestData = []struct {
|
|
in []byte
|
|
out interface{}
|
|
}{
|
|
{[]byte{0x02, 0x01, 0x42}, newInt(0x42)},
|
|
{[]byte{0x05, 0x00}, &RawValue{0, 5, false, []byte{}, []byte{0x05, 0x00}}},
|
|
{[]byte{0x30, 0x08, 0x06, 0x06, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d}, &TestObjectIdentifierStruct{[]int{1, 2, 840, 113549}}},
|
|
{[]byte{0x03, 0x04, 0x06, 0x6e, 0x5d, 0xc0}, &BitString{[]byte{110, 93, 192}, 18}},
|
|
{[]byte{0x30, 0x09, 0x02, 0x01, 0x01, 0x02, 0x01, 0x02, 0x02, 0x01, 0x03}, &[]int{1, 2, 3}},
|
|
{[]byte{0x02, 0x01, 0x10}, newInt(16)},
|
|
{[]byte{0x13, 0x04, 't', 'e', 's', 't'}, newString("test")},
|
|
{[]byte{0x16, 0x04, 't', 'e', 's', 't'}, newString("test")},
|
|
// Ampersand is allowed in PrintableString due to mistakes by major CAs.
|
|
{[]byte{0x13, 0x05, 't', 'e', 's', 't', '&'}, newString("test&")},
|
|
{[]byte{0x16, 0x04, 't', 'e', 's', 't'}, &RawValue{0, 22, false, []byte("test"), []byte("\x16\x04test")}},
|
|
{[]byte{0x04, 0x04, 1, 2, 3, 4}, &RawValue{0, 4, false, []byte{1, 2, 3, 4}, []byte{4, 4, 1, 2, 3, 4}}},
|
|
{[]byte{0x30, 0x03, 0x81, 0x01, 0x01}, &TestContextSpecificTags{1}},
|
|
{[]byte{0x30, 0x08, 0xa1, 0x03, 0x02, 0x01, 0x01, 0x02, 0x01, 0x02}, &TestContextSpecificTags2{1, 2}},
|
|
{[]byte{0x30, 0x03, 0x81, 0x01, '@'}, &TestContextSpecificTags3{"@"}},
|
|
{[]byte{0x01, 0x01, 0x00}, newBool(false)},
|
|
{[]byte{0x01, 0x01, 0xff}, newBool(true)},
|
|
{[]byte{0x30, 0x0b, 0x13, 0x03, 0x66, 0x6f, 0x6f, 0x02, 0x01, 0x22, 0x02, 0x01, 0x33}, &TestElementsAfterString{"foo", 0x22, 0x33}},
|
|
{[]byte{0x30, 0x05, 0x02, 0x03, 0x12, 0x34, 0x56}, &TestBigInt{big.NewInt(0x123456)}},
|
|
{[]byte{0x30, 0x0b, 0x31, 0x09, 0x02, 0x01, 0x01, 0x02, 0x01, 0x02, 0x02, 0x01, 0x03}, &TestSet{Ints: []int{1, 2, 3}}},
|
|
{[]byte{0x12, 0x0b, '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ' '}, newString("0123456789 ")},
|
|
{[]byte{0x30, 0x0e, 0x80, 0x04, 0x01, 0x02, 0x03, 0x04, 0x82, 0x06, 0x01, 0x22, 0x33, 0x44, 0x55, 0x66},
|
|
&TestAuthKeyID{ID: []byte{0x01, 0x02, 0x03, 0x04}, SerialNumber: big.NewInt(0x12233445566)}},
|
|
{[]byte{0x30, 0x12,
|
|
0x80, 0x04, 0x01, 0x02, 0x03, 0x04,
|
|
0x81, 0x02, 0xFF, 0xFF,
|
|
0x82, 0x06, 0x01, 0x22, 0x33, 0x44, 0x55, 0x66},
|
|
&TestAuthKeyID{
|
|
ID: []byte{0x01, 0x02, 0x03, 0x04},
|
|
Issuer: RawValue{
|
|
Class: ClassContextSpecific,
|
|
Tag: 1,
|
|
IsCompound: false,
|
|
Bytes: []byte{0xff, 0xff},
|
|
FullBytes: []byte{0x81, 0x02, 0xff, 0xff},
|
|
},
|
|
SerialNumber: big.NewInt(0x12233445566),
|
|
}},
|
|
{[]byte{0x30, 0x06, 0x80, 0x04, 0x01, 0x02, 0x03, 0x04}, &TestAuthKeyID{ID: []byte{0x01, 0x02, 0x03, 0x04}}},
|
|
}
|
|
|
|
func TestUnmarshal(t *testing.T) {
|
|
for i, test := range unmarshalTestData {
|
|
pv := reflect.New(reflect.TypeOf(test.out).Elem())
|
|
val := pv.Interface()
|
|
_, err := Unmarshal(test.in, val)
|
|
if err != nil {
|
|
t.Errorf("Unmarshal failed at index %d %v", i, err)
|
|
}
|
|
if !reflect.DeepEqual(val, test.out) {
|
|
t.Errorf("#%d:\nhave %#v\nwant %#v", i, val, test.out)
|
|
}
|
|
}
|
|
}
|
|
|
|
type Certificate struct {
|
|
TBSCertificate TBSCertificate
|
|
SignatureAlgorithm AlgorithmIdentifier
|
|
SignatureValue BitString
|
|
}
|
|
|
|
type TBSCertificate struct {
|
|
Version int `asn1:"optional,explicit,default:0,tag:0"`
|
|
SerialNumber RawValue
|
|
SignatureAlgorithm AlgorithmIdentifier
|
|
Issuer RDNSequence
|
|
Validity Validity
|
|
Subject RDNSequence
|
|
PublicKey PublicKeyInfo
|
|
}
|
|
|
|
type AlgorithmIdentifier struct {
|
|
Algorithm ObjectIdentifier
|
|
}
|
|
|
|
type RDNSequence []RelativeDistinguishedNameSET
|
|
|
|
type RelativeDistinguishedNameSET []AttributeTypeAndValue
|
|
|
|
type AttributeTypeAndValue struct {
|
|
Type ObjectIdentifier
|
|
Value interface{}
|
|
}
|
|
|
|
type Validity struct {
|
|
NotBefore, NotAfter time.Time
|
|
}
|
|
|
|
type PublicKeyInfo struct {
|
|
Algorithm AlgorithmIdentifier
|
|
PublicKey BitString
|
|
}
|
|
|
|
func TestCertificate(t *testing.T) {
|
|
// This is a minimal, self-signed certificate that should parse correctly.
|
|
var cert Certificate
|
|
if _, err := Unmarshal(derEncodedSelfSignedCertBytes, &cert); err != nil {
|
|
t.Errorf("Unmarshal failed: %v", err)
|
|
}
|
|
if !reflect.DeepEqual(cert, derEncodedSelfSignedCert) {
|
|
t.Errorf("Bad result:\ngot: %+v\nwant: %+v", cert, derEncodedSelfSignedCert)
|
|
}
|
|
}
|
|
|
|
func TestCertificateWithNUL(t *testing.T) {
|
|
// This is the paypal NUL-hack certificate. It should fail to parse because
|
|
// NUL isn't a permitted character in a PrintableString.
|
|
|
|
var cert Certificate
|
|
if _, err := Unmarshal(derEncodedPaypalNULCertBytes, &cert); err == nil {
|
|
t.Error("Unmarshal succeeded, should not have")
|
|
}
|
|
}
|
|
|
|
type rawStructTest struct {
|
|
Raw RawContent
|
|
A int
|
|
}
|
|
|
|
func TestRawStructs(t *testing.T) {
|
|
var s rawStructTest
|
|
input := []byte{0x30, 0x03, 0x02, 0x01, 0x50}
|
|
|
|
rest, err := Unmarshal(input, &s)
|
|
if len(rest) != 0 {
|
|
t.Errorf("incomplete parse: %x", rest)
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
if s.A != 0x50 {
|
|
t.Errorf("bad value for A: got %d want %d", s.A, 0x50)
|
|
}
|
|
if !bytes.Equal([]byte(s.Raw), input) {
|
|
t.Errorf("bad value for Raw: got %x want %x", s.Raw, input)
|
|
}
|
|
}
|
|
|
|
func TestCouldBeISO8859_1(t *testing.T) {
|
|
for i := 0; i < 0xff; i++ {
|
|
b := []byte("StringWithA")
|
|
b = append(b, byte(i))
|
|
switch {
|
|
// These values are disallowed:
|
|
case i < 0x20, i >= 0x7f && i < 0xa0:
|
|
if couldBeISO8859_1(b) {
|
|
t.Fatalf("Allowed invalid value %d", i)
|
|
}
|
|
|
|
// These values are allowed:
|
|
case i >= 0x20 && i < 0x7f, i >= 0xa0 && i <= 0xff:
|
|
if !couldBeISO8859_1(b) {
|
|
t.Fatalf("Disallowed valid value %d", i)
|
|
}
|
|
|
|
default:
|
|
t.Fatalf("Test logic error - value %d not covered above", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestCouldBeT61(t *testing.T) {
|
|
for i := 0; i < 255; i++ {
|
|
b := []byte("StringWithA")
|
|
b = append(b, byte(i))
|
|
|
|
if couldBeT61(b) {
|
|
switch i {
|
|
case 0x00:
|
|
fallthrough
|
|
case 0x23, 0x24, 0x5C, 0x5E, 0x60, 0x7B, 0x7D, 0x7E, 0xA5, 0xA6, 0xAC, 0xAD, 0xAE, 0xAF,
|
|
0xB9, 0xBA, 0xC0, 0xC9, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9,
|
|
0xDA, 0xDB, 0xDC, 0xDE, 0xDF, 0xE5, 0xFF:
|
|
t.Fatalf("Allowed string with byte %d", i)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestISO8859_1ToUTF8(t *testing.T) {
|
|
b := []byte{'c', 'a', 'f', 0xE9} // 0xE9 == é in ISO8859-1, but is invalid in UTF8
|
|
if string(b) == "café" {
|
|
t.Fatal("Sanity failure: that shouldn't have matched")
|
|
}
|
|
if iso8859_1ToUTF8(b) != "café" {
|
|
t.Fatalf("Failed to convert properly, got %v", iso8859_1ToUTF8(b))
|
|
}
|
|
}
|
|
|
|
type oiEqualTest struct {
|
|
first ObjectIdentifier
|
|
second ObjectIdentifier
|
|
same bool
|
|
}
|
|
|
|
var oiEqualTests = []oiEqualTest{
|
|
{
|
|
ObjectIdentifier{1, 2, 3},
|
|
ObjectIdentifier{1, 2, 3},
|
|
true,
|
|
},
|
|
{
|
|
ObjectIdentifier{1},
|
|
ObjectIdentifier{1, 2, 3},
|
|
false,
|
|
},
|
|
{
|
|
ObjectIdentifier{1, 2, 3},
|
|
ObjectIdentifier{10, 11, 12},
|
|
false,
|
|
},
|
|
}
|
|
|
|
func TestObjectIdentifierEqual(t *testing.T) {
|
|
for _, o := range oiEqualTests {
|
|
if s := o.first.Equal(o.second); s != o.same {
|
|
t.Errorf("ObjectIdentifier.Equal: got: %t want: %t", s, o.same)
|
|
}
|
|
}
|
|
}
|
|
|
|
var derEncodedSelfSignedCert = Certificate{
|
|
TBSCertificate: TBSCertificate{
|
|
Version: 0,
|
|
SerialNumber: RawValue{Class: 0, Tag: 2, IsCompound: false, Bytes: []uint8{0x0, 0x8c, 0xc3, 0x37, 0x92, 0x10, 0xec, 0x2c, 0x98}, FullBytes: []byte{2, 9, 0x0, 0x8c, 0xc3, 0x37, 0x92, 0x10, 0xec, 0x2c, 0x98}},
|
|
SignatureAlgorithm: AlgorithmIdentifier{Algorithm: ObjectIdentifier{1, 2, 840, 113549, 1, 1, 5}},
|
|
Issuer: RDNSequence{
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 6}, Value: "XX"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 8}, Value: "Some-State"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 7}, Value: "City"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 10}, Value: "Internet Widgits Pty Ltd"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 3}, Value: "false.example.com"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{1, 2, 840, 113549, 1, 9, 1}, Value: "false@example.com"}},
|
|
},
|
|
Validity: Validity{
|
|
NotBefore: time.Date(2009, 10, 8, 00, 25, 53, 0, time.UTC),
|
|
NotAfter: time.Date(2010, 10, 8, 00, 25, 53, 0, time.UTC),
|
|
},
|
|
Subject: RDNSequence{
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 6}, Value: "XX"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 8}, Value: "Some-State"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 7}, Value: "City"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 10}, Value: "Internet Widgits Pty Ltd"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{2, 5, 4, 3}, Value: "false.example.com"}},
|
|
RelativeDistinguishedNameSET{AttributeTypeAndValue{Type: ObjectIdentifier{1, 2, 840, 113549, 1, 9, 1}, Value: "false@example.com"}},
|
|
},
|
|
PublicKey: PublicKeyInfo{
|
|
Algorithm: AlgorithmIdentifier{Algorithm: ObjectIdentifier{1, 2, 840, 113549, 1, 1, 1}},
|
|
PublicKey: BitString{
|
|
Bytes: []uint8{
|
|
0x30, 0x48, 0x2, 0x41, 0x0, 0xcd, 0xb7,
|
|
0x63, 0x9c, 0x32, 0x78, 0xf0, 0x6, 0xaa, 0x27, 0x7f, 0x6e, 0xaf, 0x42,
|
|
0x90, 0x2b, 0x59, 0x2d, 0x8c, 0xbc, 0xbe, 0x38, 0xa1, 0xc9, 0x2b, 0xa4,
|
|
0x69, 0x5a, 0x33, 0x1b, 0x1d, 0xea, 0xde, 0xad, 0xd8, 0xe9, 0xa5, 0xc2,
|
|
0x7e, 0x8c, 0x4c, 0x2f, 0xd0, 0xa8, 0x88, 0x96, 0x57, 0x72, 0x2a, 0x4f,
|
|
0x2a, 0xf7, 0x58, 0x9c, 0xf2, 0xc7, 0x70, 0x45, 0xdc, 0x8f, 0xde, 0xec,
|
|
0x35, 0x7d, 0x2, 0x3, 0x1, 0x0, 0x1,
|
|
},
|
|
BitLength: 592,
|
|
},
|
|
},
|
|
},
|
|
SignatureAlgorithm: AlgorithmIdentifier{Algorithm: ObjectIdentifier{1, 2, 840, 113549, 1, 1, 5}},
|
|
SignatureValue: BitString{
|
|
Bytes: []uint8{
|
|
0xa6, 0x7b, 0x6, 0xec, 0x5e, 0xce,
|
|
0x92, 0x77, 0x2c, 0xa4, 0x13, 0xcb, 0xa3, 0xca, 0x12, 0x56, 0x8f, 0xdc, 0x6c,
|
|
0x7b, 0x45, 0x11, 0xcd, 0x40, 0xa7, 0xf6, 0x59, 0x98, 0x4, 0x2, 0xdf, 0x2b,
|
|
0x99, 0x8b, 0xb9, 0xa4, 0xa8, 0xcb, 0xeb, 0x34, 0xc0, 0xf0, 0xa7, 0x8c, 0xf8,
|
|
0xd9, 0x1e, 0xde, 0x14, 0xa5, 0xed, 0x76, 0xbf, 0x11, 0x6f, 0xe3, 0x60, 0xaa,
|
|
0xfa, 0x88, 0x21, 0x49, 0x4, 0x35,
|
|
},
|
|
BitLength: 512,
|
|
},
|
|
}
|
|
|
|
var derEncodedSelfSignedCertBytes = []byte{
|
|
0x30, 0x82, 0x02, 0x18, 0x30,
|
|
0x82, 0x01, 0xc2, 0x02, 0x09, 0x00, 0x8c, 0xc3, 0x37, 0x92, 0x10, 0xec, 0x2c,
|
|
0x98, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
|
|
0x05, 0x05, 0x00, 0x30, 0x81, 0x92, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55,
|
|
0x04, 0x06, 0x13, 0x02, 0x58, 0x58, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55,
|
|
0x04, 0x08, 0x13, 0x0a, 0x53, 0x6f, 0x6d, 0x65, 0x2d, 0x53, 0x74, 0x61, 0x74,
|
|
0x65, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x04, 0x07, 0x13, 0x04, 0x43,
|
|
0x69, 0x74, 0x79, 0x31, 0x21, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13,
|
|
0x18, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x57, 0x69, 0x64,
|
|
0x67, 0x69, 0x74, 0x73, 0x20, 0x50, 0x74, 0x79, 0x20, 0x4c, 0x74, 0x64, 0x31,
|
|
0x1a, 0x30, 0x18, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x11, 0x66, 0x61, 0x6c,
|
|
0x73, 0x65, 0x2e, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f,
|
|
0x6d, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
|
|
0x01, 0x09, 0x01, 0x16, 0x11, 0x66, 0x61, 0x6c, 0x73, 0x65, 0x40, 0x65, 0x78,
|
|
0x61, 0x6d, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x30, 0x1e, 0x17, 0x0d,
|
|
0x30, 0x39, 0x31, 0x30, 0x30, 0x38, 0x30, 0x30, 0x32, 0x35, 0x35, 0x33, 0x5a,
|
|
0x17, 0x0d, 0x31, 0x30, 0x31, 0x30, 0x30, 0x38, 0x30, 0x30, 0x32, 0x35, 0x35,
|
|
0x33, 0x5a, 0x30, 0x81, 0x92, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04,
|
|
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|
|
0x70, 0x73, 0x63, 0x61, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x69, 0x70, 0x73, 0x63,
|
|
0x61, 0x32, 0x30, 0x30, 0x32, 0x2f, 0x69, 0x70, 0x73, 0x63, 0x61, 0x32, 0x30,
|
|
0x30, 0x32, 0x43, 0x4c, 0x41, 0x53, 0x45, 0x41, 0x31, 0x2e, 0x63, 0x72, 0x6c,
|
|
0x30, 0x32, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x01, 0x01, 0x04,
|
|
0x26, 0x30, 0x24, 0x30, 0x22, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07,
|
|
0x30, 0x01, 0x86, 0x16, 0x68, 0x74, 0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x6f, 0x63,
|
|
0x73, 0x70, 0x2e, 0x69, 0x70, 0x73, 0x63, 0x61, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
|
|
0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x05,
|
|
0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0x68, 0xee, 0x79, 0x97, 0x97, 0xdd, 0x3b,
|
|
0xef, 0x16, 0x6a, 0x06, 0xf2, 0x14, 0x9a, 0x6e, 0xcd, 0x9e, 0x12, 0xf7, 0xaa,
|
|
0x83, 0x10, 0xbd, 0xd1, 0x7c, 0x98, 0xfa, 0xc7, 0xae, 0xd4, 0x0e, 0x2c, 0x9e,
|
|
0x38, 0x05, 0x9d, 0x52, 0x60, 0xa9, 0x99, 0x0a, 0x81, 0xb4, 0x98, 0x90, 0x1d,
|
|
0xae, 0xbb, 0x4a, 0xd7, 0xb9, 0xdc, 0x88, 0x9e, 0x37, 0x78, 0x41, 0x5b, 0xf7,
|
|
0x82, 0xa5, 0xf2, 0xba, 0x41, 0x25, 0x5a, 0x90, 0x1a, 0x1e, 0x45, 0x38, 0xa1,
|
|
0x52, 0x58, 0x75, 0x94, 0x26, 0x44, 0xfb, 0x20, 0x07, 0xba, 0x44, 0xcc, 0xe5,
|
|
0x4a, 0x2d, 0x72, 0x3f, 0x98, 0x47, 0xf6, 0x26, 0xdc, 0x05, 0x46, 0x05, 0x07,
|
|
0x63, 0x21, 0xab, 0x46, 0x9b, 0x9c, 0x78, 0xd5, 0x54, 0x5b, 0x3d, 0x0c, 0x1e,
|
|
0xc8, 0x64, 0x8c, 0xb5, 0x50, 0x23, 0x82, 0x6f, 0xdb, 0xb8, 0x22, 0x1c, 0x43,
|
|
0x96, 0x07, 0xa8, 0xbb,
|
|
}
|
|
|
|
var stringSliceTestData = [][]string{
|
|
{"foo", "bar"},
|
|
{"foo", "\\bar"},
|
|
{"foo", "\"bar\""},
|
|
{"foo", "åäö"},
|
|
}
|
|
|
|
func TestStringSlice(t *testing.T) {
|
|
for _, test := range stringSliceTestData {
|
|
bs, err := Marshal(test)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
var res []string
|
|
_, err = Unmarshal(bs, &res)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if fmt.Sprintf("%v", res) != fmt.Sprintf("%v", test) {
|
|
t.Errorf("incorrect marshal/unmarshal; %v != %v", res, test)
|
|
}
|
|
}
|
|
}
|
|
|
|
type explicitTaggedTimeTest struct {
|
|
Time time.Time `asn1:"explicit,tag:0"`
|
|
}
|
|
|
|
var explicitTaggedTimeTestData = []struct {
|
|
in []byte
|
|
out explicitTaggedTimeTest
|
|
}{
|
|
{[]byte{0x30, 0x11, 0xa0, 0xf, 0x17, 0xd, '9', '1', '0', '5', '0', '6', '1', '6', '4', '5', '4', '0', 'Z'},
|
|
explicitTaggedTimeTest{time.Date(1991, 05, 06, 16, 45, 40, 0, time.UTC)}},
|
|
{[]byte{0x30, 0x17, 0xa0, 0xf, 0x18, 0x13, '2', '0', '1', '0', '0', '1', '0', '2', '0', '3', '0', '4', '0', '5', '+', '0', '6', '0', '7'},
|
|
explicitTaggedTimeTest{time.Date(2010, 01, 02, 03, 04, 05, 0, time.FixedZone("", 6*60*60+7*60))}},
|
|
}
|
|
|
|
func TestExplicitTaggedTime(t *testing.T) {
|
|
// Test that a time.Time will match either tagUTCTime or
|
|
// tagGeneralizedTime.
|
|
for i, test := range explicitTaggedTimeTestData {
|
|
var got explicitTaggedTimeTest
|
|
_, err := Unmarshal(test.in, &got)
|
|
if err != nil {
|
|
t.Errorf("Unmarshal failed at index %d %v", i, err)
|
|
}
|
|
if !got.Time.Equal(test.out.Time) {
|
|
t.Errorf("#%d: got %v, want %v", i, got.Time, test.out.Time)
|
|
}
|
|
}
|
|
}
|
|
|
|
type implicitTaggedTimeTest struct {
|
|
Time time.Time `asn1:"tag:24"`
|
|
}
|
|
|
|
func TestImplicitTaggedTime(t *testing.T) {
|
|
// An implicitly tagged time value, that happens to have an implicit
|
|
// tag equal to a GENERALIZEDTIME, should still be parsed as a UTCTime.
|
|
// (There's no "timeType" in fieldParameters to determine what type of
|
|
// time should be expected when implicitly tagged.)
|
|
der := []byte{0x30, 0x0f, 0x80 | 24, 0xd, '9', '1', '0', '5', '0', '6', '1', '6', '4', '5', '4', '0', 'Z'}
|
|
var result implicitTaggedTimeTest
|
|
if _, err := Unmarshal(der, &result); err != nil {
|
|
t.Fatalf("Error while parsing: %s", err)
|
|
}
|
|
if expected := time.Date(1991, 05, 06, 16, 45, 40, 0, time.UTC); !result.Time.Equal(expected) {
|
|
t.Errorf("Wrong result. Got %v, want %v", result.Time, expected)
|
|
}
|
|
}
|
|
|
|
type truncatedExplicitTagTest struct {
|
|
Test int `asn1:"explicit,tag:0"`
|
|
}
|
|
|
|
func TestTruncatedExplicitTag(t *testing.T) {
|
|
// This crashed Unmarshal in the past. See #11154.
|
|
der := []byte{
|
|
0x30, // SEQUENCE
|
|
0x02, // two bytes long
|
|
0xa0, // context-specific, tag 0
|
|
0x30, // 48 bytes long
|
|
}
|
|
|
|
var result truncatedExplicitTagTest
|
|
if _, err := Unmarshal(der, &result); err == nil {
|
|
t.Error("Unmarshal returned without error")
|
|
}
|
|
}
|
|
|
|
type invalidUTF8Test struct {
|
|
Str string `asn1:"utf8"`
|
|
}
|
|
|
|
func TestUnmarshalInvalidUTF8(t *testing.T) {
|
|
data := []byte("0\x05\f\x03a\xc9c")
|
|
var result invalidUTF8Test
|
|
_, err := Unmarshal(data, &result)
|
|
|
|
const expectedSubstring = "UTF"
|
|
if err == nil {
|
|
t.Fatal("Successfully unmarshaled invalid UTF-8 data")
|
|
} else if !strings.Contains(err.Error(), expectedSubstring) {
|
|
t.Fatalf("Expected error to mention %q but error was %q", expectedSubstring, err.Error())
|
|
}
|
|
}
|
|
|
|
func TestMarshalNilValue(t *testing.T) {
|
|
nilValueTestData := []interface{}{
|
|
nil,
|
|
struct{ V interface{} }{},
|
|
}
|
|
for i, test := range nilValueTestData {
|
|
if _, err := Marshal(test); err == nil {
|
|
t.Fatalf("#%d: successfully marshaled nil value", i)
|
|
}
|
|
}
|
|
}
|
|
|
|
type unexported struct {
|
|
X int
|
|
y int
|
|
}
|
|
|
|
type exported struct {
|
|
X int
|
|
Y int
|
|
}
|
|
|
|
func TestUnexportedStructField(t *testing.T) {
|
|
want := StructuralError{"struct contains unexported fields", "y"}
|
|
|
|
_, err := Marshal(unexported{X: 5, y: 1})
|
|
if err != want {
|
|
t.Errorf("got %v, want %v", err, want)
|
|
}
|
|
|
|
bs, err := Marshal(exported{X: 5, Y: 1})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
var u unexported
|
|
_, err = Unmarshal(bs, &u)
|
|
if err != want {
|
|
t.Errorf("got %v, want %v", err, want)
|
|
}
|
|
}
|
|
|
|
func TestNull(t *testing.T) {
|
|
marshaled, err := Marshal(NullRawValue)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !bytes.Equal(NullBytes, marshaled) {
|
|
t.Errorf("Expected Marshal of NullRawValue to yield %x, got %x", NullBytes, marshaled)
|
|
}
|
|
|
|
unmarshaled := RawValue{}
|
|
if _, err := Unmarshal(NullBytes, &unmarshaled); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
unmarshaled.FullBytes = NullRawValue.FullBytes
|
|
if len(unmarshaled.Bytes) == 0 {
|
|
// DeepEqual considers a nil slice and an empty slice to be different.
|
|
unmarshaled.Bytes = NullRawValue.Bytes
|
|
}
|
|
|
|
if !reflect.DeepEqual(NullRawValue, unmarshaled) {
|
|
t.Errorf("Expected Unmarshal of NullBytes to yield %v, got %v", NullRawValue, unmarshaled)
|
|
}
|
|
}
|
|
|
|
func TestExplicitTagRawValueStruct(t *testing.T) {
|
|
type foo struct {
|
|
A RawValue `asn1:"optional,explicit,tag:5"`
|
|
B []byte `asn1:"optional,explicit,tag:6"`
|
|
}
|
|
before := foo{B: []byte{1, 2, 3}}
|
|
derBytes, err := Marshal(before)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
var after foo
|
|
if rest, err := Unmarshal(derBytes, &after); err != nil || len(rest) != 0 {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
got := fmt.Sprintf("%#v", after)
|
|
want := fmt.Sprintf("%#v", before)
|
|
if got != want {
|
|
t.Errorf("got %s, want %s (DER: %x)", got, want, derBytes)
|
|
}
|
|
}
|
|
|
|
func TestTaggedRawValue(t *testing.T) {
|
|
type taggedRawValue struct {
|
|
A RawValue `asn1:"tag:5"`
|
|
}
|
|
type untaggedRawValue struct {
|
|
A RawValue
|
|
}
|
|
const isCompound = 0x20
|
|
const tag = 5
|
|
|
|
tests := []struct {
|
|
shouldMatch bool
|
|
derBytes []byte
|
|
}{
|
|
{false, []byte{0x30, 3, TagInteger, 1, 1}},
|
|
{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag, 1, 1}},
|
|
{true, []byte{0x30, 3, (ClassContextSpecific << 6) | tag | isCompound, 1, 1}},
|
|
{false, []byte{0x30, 3, (ClassApplication << 6) | tag | isCompound, 1, 1}},
|
|
}
|
|
|
|
for i, test := range tests {
|
|
var tagged taggedRawValue
|
|
if _, err := Unmarshal(test.derBytes, &tagged); (err == nil) != test.shouldMatch {
|
|
t.Errorf("#%d: unexpected result parsing %x: %s", i, test.derBytes, err)
|
|
}
|
|
|
|
// An untagged RawValue should accept anything.
|
|
var untagged untaggedRawValue
|
|
if _, err := Unmarshal(test.derBytes, &untagged); err != nil {
|
|
t.Errorf("#%d: unexpected failure parsing %x with untagged RawValue: %s", i, test.derBytes, err)
|
|
}
|
|
}
|
|
}
|