323 lines
8.2 KiB
Go
323 lines
8.2 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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"encoding/asn1"
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"encoding/hex"
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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 intStruct struct {
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A int
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}
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type twoIntStruct struct {
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A int
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B int
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}
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type bigIntStruct struct {
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A *big.Int
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}
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type nestedStruct struct {
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A intStruct
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}
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type rawContentsStruct struct {
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Raw asn1.RawContent
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A int
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}
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type implicitTagTest struct {
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A int `asn1:"implicit,tag:5"`
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}
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type explicitTagTest struct {
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A int `asn1:"explicit,tag:5"`
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}
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type flagTest struct {
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A asn1.Flag `asn1:"tag:0,optional"`
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}
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type generalizedTimeTest struct {
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A time.Time `asn1:"generalized"`
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}
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type ia5StringTest struct {
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A string `asn1:"ia5"`
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}
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type printableStringTest struct {
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A string `asn1:"printable"`
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}
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type genericStringTest struct {
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A string
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}
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type optionalRawValueTest struct {
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A asn1.RawValue `asn1:"optional"`
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}
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type omitEmptyTest struct {
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A []string `asn1:"omitempty"`
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}
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type defaultTest struct {
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A int `asn1:"optional,default:1"`
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}
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type applicationTest struct {
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A int `asn1:"application,tag:0"`
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B int `asn1:"application,tag:1,explicit"`
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}
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type privateTest struct {
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A int `asn1:"private,tag:0"`
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B int `asn1:"private,tag:1,explicit"`
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C int `asn1:"private,tag:31"` // tag size should be 2 octet
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D int `asn1:"private,tag:128"` // tag size should be 3 octet
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}
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type numericStringTest struct {
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A string `asn1:"numeric"`
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}
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type testSET []int
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var PST = time.FixedZone("PST", -8*60*60)
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type marshalTest struct {
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in interface{}
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out string // hex encoded
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}
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func farFuture() time.Time {
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t, err := time.Parse(time.RFC3339, "2100-04-05T12:01:01Z")
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if err != nil {
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panic(err)
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}
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return t
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}
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var marshalTests = []marshalTest{
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{10, "02010a"},
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{127, "02017f"},
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{128, "02020080"},
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{-128, "020180"},
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{-129, "0202ff7f"},
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{intStruct{64}, "3003020140"},
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{bigIntStruct{big.NewInt(0x123456)}, "30050203123456"},
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{twoIntStruct{64, 65}, "3006020140020141"},
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{nestedStruct{intStruct{127}}, "3005300302017f"},
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{[]byte{1, 2, 3}, "0403010203"},
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{implicitTagTest{64}, "3003850140"},
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{explicitTagTest{64}, "3005a503020140"},
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{flagTest{true}, "30028000"},
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{flagTest{false}, "3000"},
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{time.Unix(0, 0).UTC(), "170d3730303130313030303030305a"},
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{time.Unix(1258325776, 0).UTC(), "170d3039313131353232353631365a"},
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{time.Unix(1258325776, 0).In(PST), "17113039313131353134353631362d30383030"},
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{farFuture(), "180f32313030303430353132303130315a"},
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{generalizedTimeTest{time.Unix(1258325776, 0).UTC()}, "3011180f32303039313131353232353631365a"},
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{asn1.BitString{[]byte{0x80}, 1}, "03020780"},
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{asn1.BitString{[]byte{0x81, 0xf0}, 12}, "03030481f0"},
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{asn1.ObjectIdentifier([]int{1, 2, 3, 4}), "06032a0304"},
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{asn1.ObjectIdentifier([]int{1, 2, 840, 133549, 1, 1, 5}), "06092a864888932d010105"},
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{asn1.ObjectIdentifier([]int{2, 100, 3}), "0603813403"},
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{"test", "130474657374"},
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{
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"" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", // This is 127 times 'x'
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"137f" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"78787878787878787878787878787878787878787878787878787878787878",
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},
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{
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"" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" +
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"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", // This is 128 times 'x'
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"138180" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"7878787878787878787878787878787878787878787878787878787878787878" +
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"7878787878787878787878787878787878787878787878787878787878787878",
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},
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{ia5StringTest{"test"}, "3006160474657374"},
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{optionalRawValueTest{}, "3000"},
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{printableStringTest{"test"}, "3006130474657374"},
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{printableStringTest{"test*"}, "30071305746573742a"},
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{genericStringTest{"test"}, "3006130474657374"},
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{genericStringTest{"test*"}, "30070c05746573742a"},
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{genericStringTest{"test&"}, "30070c057465737426"},
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{rawContentsStruct{nil, 64}, "3003020140"},
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{rawContentsStruct{[]byte{0x30, 3, 1, 2, 3}, 64}, "3003010203"},
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{asn1.RawValue{Tag: 1, Class: 2, IsCompound: false, Bytes: []byte{1, 2, 3}}, "8103010203"},
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{testSET([]int{10}), "310302010a"},
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{omitEmptyTest{[]string{}}, "3000"},
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{omitEmptyTest{[]string{"1"}}, "30053003130131"},
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{"Σ", "0c02cea3"},
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{defaultTest{0}, "3003020100"},
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{defaultTest{1}, "3000"},
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{defaultTest{2}, "3003020102"},
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{applicationTest{1, 2}, "30084001016103020102"},
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{privateTest{1, 2, 3, 4}, "3011c00101e103020102df1f0103df81000104"},
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{numericStringTest{"1 9"}, "30051203312039"},
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}
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func TestMarshal(t *testing.T) {
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for i, test := range marshalTests {
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data, err := Marshal(test.in)
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if err != nil {
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t.Errorf("#%d failed: %s", i, err)
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}
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out, _ := hex.DecodeString(test.out)
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if !bytes.Equal(out, data) {
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t.Errorf("#%d got: %x want %x\n\t%q\n\t%q", i, data, out, data, out)
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}
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}
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}
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type marshalWithParamsTest struct {
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in interface{}
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params string
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out string // hex encoded
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}
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var marshalWithParamsTests = []marshalWithParamsTest{
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{intStruct{10}, "set", "310302010a"},
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{intStruct{10}, "application", "600302010a"},
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{intStruct{10}, "private", "e00302010a"},
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}
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func TestMarshalWithParams(t *testing.T) {
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for i, test := range marshalWithParamsTests {
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data, err := MarshalWithParams(test.in, test.params)
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if err != nil {
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t.Errorf("#%d failed: %s", i, err)
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}
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out, _ := hex.DecodeString(test.out)
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if !bytes.Equal(out, data) {
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t.Errorf("#%d got: %x want %x\n\t%q\n\t%q", i, data, out, data, out)
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}
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}
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}
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type marshalErrTest struct {
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in interface{}
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err string
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}
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var marshalErrTests = []marshalErrTest{
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{bigIntStruct{nil}, "empty integer"},
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{numericStringTest{"a"}, "invalid character"},
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{ia5StringTest{"\xb0"}, "invalid character"},
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{printableStringTest{"!"}, "invalid character"},
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}
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func TestMarshalError(t *testing.T) {
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for i, test := range marshalErrTests {
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_, err := Marshal(test.in)
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if err == nil {
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t.Errorf("#%d should fail, but success", i)
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continue
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}
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if !strings.Contains(err.Error(), test.err) {
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t.Errorf("#%d got: %v want %v", i, err, test.err)
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}
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}
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}
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func TestInvalidUTF8(t *testing.T) {
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_, err := Marshal(string([]byte{0xff, 0xff}))
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if err == nil {
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t.Errorf("invalid UTF8 string was accepted")
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}
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}
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func TestMarshalOID(t *testing.T) {
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var marshalTestsOID = []marshalTest{
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{[]byte("\x06\x01\x30"), "0403060130"}, // bytes format returns a byte sequence \x04
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// {ObjectIdentifier([]int{0}), "060100"}, // returns an error as OID 0.0 has the same encoding
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{[]byte("\x06\x010"), "0403060130"}, // same as above "\x06\x010" = "\x06\x01" + "0"
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{asn1.ObjectIdentifier([]int{2, 999, 3}), "0603883703"}, // Example of ITU-T X.690
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{asn1.ObjectIdentifier([]int{0, 0}), "060100"}, // zero OID
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}
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for i, test := range marshalTestsOID {
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data, err := Marshal(test.in)
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if err != nil {
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t.Errorf("#%d failed: %s", i, err)
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}
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out, _ := hex.DecodeString(test.out)
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if !bytes.Equal(out, data) {
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t.Errorf("#%d got: %x want %x\n\t%q\n\t%q", i, data, out, data, out)
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}
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}
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}
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func TestIssue11130(t *testing.T) {
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data := []byte("\x06\x010") // == \x06\x01\x30 == OID = 0 (the figure)
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var v interface{}
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// v has Zero value here and Elem() would panic
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_, err := Unmarshal(data, &v)
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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if reflect.TypeOf(v).String() != reflect.TypeOf(asn1.ObjectIdentifier{}).String() {
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t.Errorf("marshal OID returned an invalid type")
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return
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}
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data1, err := Marshal(v)
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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if !bytes.Equal(data, data1) {
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t.Errorf("got: %q, want: %q \n", data1, data)
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return
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}
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var v1 interface{}
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_, err = Unmarshal(data1, &v1)
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if err != nil {
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t.Errorf("%v", err)
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return
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}
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if !reflect.DeepEqual(v, v1) {
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t.Errorf("got: %#v data=%q , want : %#v data=%q\n ", v1, data1, v, data)
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}
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}
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func BenchmarkMarshal(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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for _, test := range marshalTests {
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Marshal(test.in)
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}
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}
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}
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