oid_test.go

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package x509
     6  
     7  import (
     8  	"encoding/asn1"
     9  	"math"
    10  	"testing"
    11  )
    12  
    13  func TestOID(t *testing.T) {
    14  	var tests = []struct {
    15  		raw   []byte
    16  		valid bool
    17  		str   string
    18  		ints  []uint64
    19  	}{
    20  		{[]byte{}, false, "", nil},
    21  		{[]byte{0x80, 0x01}, false, "", nil},
    22  		{[]byte{0x01, 0x80, 0x01}, false, "", nil},
    23  
    24  		{[]byte{1, 2, 3}, true, "0.1.2.3", []uint64{0, 1, 2, 3}},
    25  		{[]byte{41, 2, 3}, true, "1.1.2.3", []uint64{1, 1, 2, 3}},
    26  		{[]byte{86, 2, 3}, true, "2.6.2.3", []uint64{2, 6, 2, 3}},
    27  
    28  		{[]byte{41, 255, 255, 255, 127}, true, "1.1.268435455", []uint64{1, 1, 268435455}},
    29  		{[]byte{41, 0x87, 255, 255, 255, 127}, true, "1.1.2147483647", []uint64{1, 1, 2147483647}},
    30  		{[]byte{41, 255, 255, 255, 255, 127}, true, "1.1.34359738367", []uint64{1, 1, 34359738367}},
    31  		{[]byte{42, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "1.2.9223372036854775807", []uint64{1, 2, 9223372036854775807}},
    32  		{[]byte{43, 0x81, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "1.3.18446744073709551615", []uint64{1, 3, 18446744073709551615}},
    33  		{[]byte{44, 0x83, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "1.4.36893488147419103231", nil},
    34  		{[]byte{85, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.5.1180591620717411303423", nil},
    35  		{[]byte{85, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.5.19342813113834066795298815", nil},
    36  
    37  		{[]byte{255, 255, 255, 127}, true, "2.268435375", []uint64{2, 268435375}},
    38  		{[]byte{0x87, 255, 255, 255, 127}, true, "2.2147483567", []uint64{2, 2147483567}},
    39  		{[]byte{255, 127}, true, "2.16303", []uint64{2, 16303}},
    40  		{[]byte{255, 255, 255, 255, 127}, true, "2.34359738287", []uint64{2, 34359738287}},
    41  		{[]byte{255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.9223372036854775727", []uint64{2, 9223372036854775727}},
    42  		{[]byte{0x81, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.18446744073709551535", []uint64{2, 18446744073709551535}},
    43  		{[]byte{0x83, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.36893488147419103151", nil},
    44  		{[]byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.1180591620717411303343", nil},
    45  		{[]byte{255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 127}, true, "2.19342813113834066795298735", nil},
    46  	}
    47  
    48  	for _, v := range tests {
    49  		oid, ok := newOIDFromDER(v.raw)
    50  		if ok != v.valid {
    51  			if ok {
    52  				t.Errorf("%v: unexpected success while parsing: %v", v.raw, oid)
    53  			} else {
    54  				t.Errorf("%v: unexpected failure while parsing", v.raw)
    55  			}
    56  			continue
    57  		}
    58  
    59  		if !ok {
    60  			continue
    61  		}
    62  
    63  		if str := oid.String(); str != v.str {
    64  			t.Errorf("%v: oid.String() = %v, want; %v", v.raw, str, v.str)
    65  		}
    66  
    67  		var asn1OID asn1.ObjectIdentifier
    68  		for _, v := range v.ints {
    69  			if v > math.MaxInt32 {
    70  				asn1OID = nil
    71  				break
    72  			}
    73  			asn1OID = append(asn1OID, int(v))
    74  		}
    75  
    76  		o, ok := oid.toASN1OID()
    77  		if shouldOk := asn1OID != nil; shouldOk != ok {
    78  			if ok {
    79  				t.Errorf("%v: oid.toASN1OID() unexpected success", v.raw)
    80  			} else {
    81  				t.Errorf("%v: oid.toASN1OID() unexpected fauilure", v.raw)
    82  			}
    83  			continue
    84  		}
    85  
    86  		if asn1OID != nil {
    87  			if !o.Equal(asn1OID) {
    88  				t.Errorf("%v: oid.toASN1OID(asn1OID).Equal(oid) = false, want: true", v.raw)
    89  			}
    90  		}
    91  
    92  		if v.ints != nil {
    93  			oid2, err := OIDFromInts(v.ints)
    94  			if err != nil {
    95  				t.Errorf("%v: OIDFromInts() unexpected error: %v", v.raw, err)
    96  			}
    97  			if !oid2.Equal(oid) {
    98  				t.Errorf("%v: %#v.Equal(%#v) = false, want: true", v.raw, oid2, oid)
    99  			}
   100  		}
   101  	}
   102  }
   103  
   104  func mustNewOIDFromInts(t *testing.T, ints []uint64) OID {
   105  	oid, err := OIDFromInts(ints)
   106  	if err != nil {
   107  		t.Fatalf("OIDFromInts(%v) unexpected error: %v", ints, err)
   108  	}
   109  	return oid
   110  }
   111
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