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dn_test.go
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dn_test.go
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package ldap
import (
"reflect"
"testing"
"github.com/stretchr/testify/assert"
)
func TestSuccessfulDNParsing(t *testing.T) {
testcases := map[string]DN{
"": {[]*RelativeDN{}},
"cn=Jim\\2C \\22Hasse Hö\\22 Hansson!,dc=dummy,dc=com": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "Jim, \"Hasse Hö\" Hansson!"}}},
{[]*AttributeTypeAndValue{{"dc", "dummy"}}},
{[]*AttributeTypeAndValue{{"dc", "com"}}},
}},
"UID=jsmith,DC=example,DC=net": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"UID", "jsmith"}}},
{[]*AttributeTypeAndValue{{"DC", "example"}}},
{[]*AttributeTypeAndValue{{"DC", "net"}}},
}},
"OU=Sales+CN=J. Smith,DC=example,DC=net": {[]*RelativeDN{
{[]*AttributeTypeAndValue{
{"OU", "Sales"},
{"CN", "J. Smith"},
}},
{[]*AttributeTypeAndValue{{"DC", "example"}}},
{[]*AttributeTypeAndValue{{"DC", "net"}}},
}},
"1.3.6.1.4.1.1466.0=#04024869": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"1.3.6.1.4.1.1466.0", "Hi"}}},
}},
"1.3.6.1.4.1.1466.0=#04024869,DC=net": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"1.3.6.1.4.1.1466.0", "Hi"}}},
{[]*AttributeTypeAndValue{{"DC", "net"}}},
}},
"CN=Lu\\C4\\8Di\\C4\\87": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"CN", "Lučić"}}},
}},
" CN = Lu\\C4\\8Di\\C4\\87 ": {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"CN", "Lučić"}}},
}},
` A = 1 , B = 2 `: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"A", "1"}}},
{[]*AttributeTypeAndValue{{"B", "2"}}},
}},
` A = 1 + B = 2 `: {[]*RelativeDN{
{[]*AttributeTypeAndValue{
{"A", "1"},
{"B", "2"},
}},
}},
` \ \ A\ \ = \ \ 1\ \ , \ \ B\ \ = \ \ 2\ \ `: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{" A ", " 1 "}}},
{[]*AttributeTypeAndValue{{" B ", " 2 "}}},
}},
` \ \ A\ \ = \ \ 1\ \ + \ \ B\ \ = \ \ 2\ \ `: {[]*RelativeDN{
{[]*AttributeTypeAndValue{
{" A ", " 1 "},
{" B ", " 2 "},
}},
}},
"A = 88 \t": {[]*RelativeDN{
{[]*AttributeTypeAndValue{
{"A", "88 \t"},
}},
}},
"A = 88 \n": {[]*RelativeDN{
{[]*AttributeTypeAndValue{
{"A", "88 \n"},
}},
}},
`cn=john.doe;dc=example,dc=net`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "john.doe"}}},
{[]*AttributeTypeAndValue{{"dc", "example"}}},
{[]*AttributeTypeAndValue{{"dc", "net"}}},
}},
`cn=⭐;dc=❤️=\==,dc=❤️\\`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "⭐"}}},
{[]*AttributeTypeAndValue{{"dc", "❤️==="}}},
{[]*AttributeTypeAndValue{{"dc", "❤️\\"}}},
}},
// Escaped `;` should not be treated as RDN
`cn=john.doe\;weird name,dc=example,dc=net`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "john.doe;weird name"}}},
{[]*AttributeTypeAndValue{{"dc", "example"}}},
{[]*AttributeTypeAndValue{{"dc", "net"}}},
}},
`cn=ZXhhbXBsZVRleHQ=,dc=dummy,dc=com`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "ZXhhbXBsZVRleHQ="}}},
{[]*AttributeTypeAndValue{{"dc", "dummy"}}},
{[]*AttributeTypeAndValue{{"dc", "com"}}},
}},
`1.3.6.1.4.1.1466.0=test`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"1.3.6.1.4.1.1466.0", "test"}}},
}},
`1=#04024869`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"1", "Hi"}}},
}},
`CN=James \"Jim\" Smith\, III,DC=example,DC=net`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"CN", "James \"Jim\" Smith, III"}}},
{[]*AttributeTypeAndValue{{"DC", "example"}}},
{[]*AttributeTypeAndValue{{"DC", "net"}}},
}},
`CN=Before\0dAfter,DC=example,DC=net`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"CN", "Before\x0dAfter"}}},
{[]*AttributeTypeAndValue{{"DC", "example"}}},
{[]*AttributeTypeAndValue{{"DC", "net"}}},
}},
`cn=foo-lon\e2\9d\a4\ef\b8\8f\,g.com,OU=Foo===Long;ou=Ba # rq,ou=Baz,o=C\; orp.+c=US`: {[]*RelativeDN{
{[]*AttributeTypeAndValue{{"cn", "foo-lon❤️,g.com"}}},
{[]*AttributeTypeAndValue{{"OU", "Foo===Long"}}},
{[]*AttributeTypeAndValue{{"ou", "Ba # rq"}}},
{[]*AttributeTypeAndValue{{"ou", "Baz"}}},
{[]*AttributeTypeAndValue{{"o", "C; orp."}, {"c", "US"}}},
}},
}
for test, answer := range testcases {
dn, err := ParseDN(test)
if err != nil {
t.Errorf("ParseDN failed for DN test '%s': %s", test, err)
continue
}
if !reflect.DeepEqual(dn, &answer) {
t.Errorf("Parsed DN '%s' is not equal to the expected structure", test)
t.Logf("Expected:")
for _, rdn := range answer.RDNs {
for _, attribute := range rdn.Attributes {
t.Logf(" #%v\n", attribute)
}
}
t.Logf("Actual:")
for _, rdn := range dn.RDNs {
for _, attribute := range rdn.Attributes {
t.Logf(" #%v\n", attribute)
}
}
}
}
}
func TestErrorDNParsing(t *testing.T) {
testcases := map[string]string{
"*": "DN ended with incomplete type, value pair",
"cn=Jim\\0Test": "failed to decode escaped character: encoding/hex: invalid byte: U+0054 'T'",
"cn=Jim\\0": "failed to decode escaped character: encoding/hex: invalid byte: 0",
"DC=example,=net": "DN ended with incomplete type, value pair",
"1=#0402486": "failed to decode BER encoding: encoding/hex: odd length hex string",
"test,DC=example,DC=com": "incomplete type, value pair",
"=test,DC=example,DC=com": "incomplete type, value pair",
"1.3.6.1.4.1.1466.0=test+": "DN ended with incomplete type, value pair",
`1.3.6.1.4.1.1466.0=test;`: "DN ended with incomplete type, value pair",
"1.3.6.1.4.1.1466.0=test+,": "incomplete type, value pair",
"DF=#6666666666665006838820013100000746939546349182108463491821809FBFFFFFFFFF": "failed to decode BER encoding: unexpected EOF",
}
for test, answer := range testcases {
_, err := ParseDN(test)
if err == nil {
t.Errorf("Expected '%s' to fail parsing but succeeded\n", test)
} else if err.Error() != answer {
t.Errorf("Unexpected error on: '%s':\nExpected: %s\nGot: %s\n", test, answer, err.Error())
}
}
}
func TestDNEqual(t *testing.T) {
testcases := []struct {
A string
B string
Equal bool
}{
// Exact match
{"", "", true},
{"o=A", "o=A", true},
{"o=A", "o=B", false},
{"o=A,o=B", "o=A,o=B", true},
{"o=A,o=B", "o=A,o=C", false},
{"o=A+o=B", "o=A+o=B", true},
{"o=A+o=B", "o=A+o=C", false},
// Case mismatch in type is ignored
{"o=A", "O=A", true},
{"o=A,o=B", "o=A,O=B", true},
{"o=A+o=B", "o=A+O=B", true},
// Case mismatch in value is significant
{"o=a", "O=A", false},
{"o=a,o=B", "o=A,O=B", false},
{"o=a+o=B", "o=A+O=B", false},
// Multi-valued RDN order mismatch is ignored
{"o=A+o=B", "O=B+o=A", true},
// Number of RDN attributes is significant
{"o=A+o=B", "O=B+o=A+O=B", false},
// Missing values are significant
{"o=A+o=B", "O=B+o=A+O=C", false}, // missing values matter
{"o=A+o=B+o=C", "O=B+o=A", false}, // missing values matter
// Whitespace tests
// Matching
{
"cn=John Doe, ou=People, dc=sun.com",
"cn=John Doe, ou=People, dc=sun.com",
true,
},
// Difference in leading/trailing chars is ignored
{
"cn=\\ John\\20Doe, ou=People, dc=sun.com",
"cn= \\ John Doe,ou=People,dc=sun.com",
true,
},
// Difference in values is significant
{
"cn=John Doe, ou=People, dc=sun.com",
"cn=John Doe, ou=People, dc=sun.com",
false,
},
// Test parsing of `;` for separating RDNs
{"cn=john;dc=example,dc=com", "cn=john,dc=example,dc=com", true}, // missing values matter
}
for i, tc := range testcases {
a, err := ParseDN(tc.A)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
b, err := ParseDN(tc.B)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
if expected, actual := tc.Equal, a.Equal(b); expected != actual {
t.Errorf("%d: when comparing %q and %q expected %v, got %v", i, a, b, expected, actual)
continue
}
if expected, actual := tc.Equal, b.Equal(a); expected != actual {
t.Errorf("%d: when comparing %q and %q expected %v, got %v", i, a, b, expected, actual)
continue
}
if expected, actual := a.Equal(b), a.String() == b.String(); expected != actual {
t.Errorf("%d: when asserting string comparison of %q and %q expected equal %v, got %v", i, a, b, expected, actual)
continue
}
}
}
func TestDNEqualFold(t *testing.T) {
testcases := []struct {
A string
B string
Equal bool
}{
// Match on case insensitive
{"o=A", "o=a", true},
{"o=A,o=b", "o=a,o=B", true},
{"o=a+o=B", "o=A+o=b", true},
{
"cn=users,ou=example,dc=com",
"cn=Users,ou=example,dc=com",
true,
},
// Match on case insensitive and case mismatch in type
{"o=A", "O=a", true},
{"o=A,o=b", "o=a,O=B", true},
{"o=a+o=B", "o=A+O=b", true},
}
for i, tc := range testcases {
a, err := ParseDN(tc.A)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
b, err := ParseDN(tc.B)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
if expected, actual := tc.Equal, a.EqualFold(b); expected != actual {
t.Errorf("%d: when comparing '%s' and '%s' expected %v, got %v", i, tc.A, tc.B, expected, actual)
continue
}
if expected, actual := tc.Equal, b.EqualFold(a); expected != actual {
t.Errorf("%d: when comparing '%s' and '%s' expected %v, got %v", i, tc.A, tc.B, expected, actual)
continue
}
}
}
func TestDNAncestor(t *testing.T) {
testcases := []struct {
A string
B string
Ancestor bool
}{
// Exact match returns false
{"", "", false},
{"o=A", "o=A", false},
{"o=A,o=B", "o=A,o=B", false},
{"o=A+o=B", "o=A+o=B", false},
// Mismatch
{"ou=C,ou=B,o=A", "ou=E,ou=D,ou=B,o=A", false},
// Descendant
{"ou=C,ou=B,o=A", "ou=E,ou=C,ou=B,o=A", true},
}
for i, tc := range testcases {
a, err := ParseDN(tc.A)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
b, err := ParseDN(tc.B)
if err != nil {
t.Errorf("%d: %v", i, err)
continue
}
if expected, actual := tc.Ancestor, a.AncestorOf(b); expected != actual {
t.Errorf("%d: when comparing '%s' and '%s' expected %v, got %v", i, tc.A, tc.B, expected, actual)
continue
}
}
}
func BenchmarkParseSubject(b *testing.B) {
for n := 0; n < b.N; n++ {
_, err := ParseDN("DF=#6666666666665006838820013100000746939546349182108463491821809FBFFFFFFFFF")
if err == nil {
b.Fatal("expected error, but got none")
}
}
}
func TestMustKeepOrderInRawDerBytes(t *testing.T) {
subject := "cn=foo-long.com,ou=FooLong,ou=Barq,ou=Baz,ou=Dept.,o=Corp.,c=US"
rdnSeq, err := ParseDN(subject)
if err != nil {
t.Fatal(err)
}
expectedRdnSeq := &DN{
[]*RelativeDN{
{[]*AttributeTypeAndValue{{Type: "cn", Value: "foo-long.com"}}},
{[]*AttributeTypeAndValue{{Type: "ou", Value: "FooLong"}}},
{[]*AttributeTypeAndValue{{Type: "ou", Value: "Barq"}}},
{[]*AttributeTypeAndValue{{Type: "ou", Value: "Baz"}}},
{[]*AttributeTypeAndValue{{Type: "ou", Value: "Dept."}}},
{[]*AttributeTypeAndValue{{Type: "o", Value: "Corp."}}},
{[]*AttributeTypeAndValue{{Type: "c", Value: "US"}}},
},
}
assert.Equal(t, expectedRdnSeq, rdnSeq)
assert.Equal(t, subject, rdnSeq.String())
}
func TestRoundTripLiteralSubject(t *testing.T) {
rdnSequences := map[string]string{
"cn=foo-long.com,ou=FooLong,ou=Barq,ou=Baz,ou=Dept.,o=Corp.,c=US": "cn=foo-long.com,ou=FooLong,ou=Barq,ou=Baz,ou=Dept.,o=Corp.,c=US",
"cn=foo-lon❤️\\,g.com,ou=Foo===Long,ou=Ba # rq,ou=Baz,o=C\\; orp.,c=US": "cn=foo-lon\\e2\\9d\\a4\\ef\\b8\\8f\\,g.com,ou=Foo===Long,ou=Ba # rq,ou=Baz,o=C\\; orp.,c=US",
"cn=fo\x00o-long.com,ou=\x04FooLong": "cn=fo\\00o-long.com,ou=\\04FooLong",
}
for subjIn, subjOut := range rdnSequences {
t.Logf("Testing subject: %s", subjIn)
newRDNSeq, err := ParseDN(subjIn)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, subjOut, newRDNSeq.String())
}
}
func TestDecodeString(t *testing.T) {
successTestcases := map[string]string{
"foo-long.com": "foo-long.com",
"foo-lon❤️\\,g.com": "foo-lon❤️,g.com",
"fo\x00o-long.com": "fo\x00o-long.com",
"fo\\00o-long.com": "fo\x00o-long.com",
}
for encoded, decoded := range successTestcases {
t.Logf("Testing encoded string: %s", encoded)
decodedString, err := decodeString(encoded)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, decoded, decodedString)
}
errorTestcases := map[string]string{
"fo\\": "got corrupted escaped character: 'fo\\'",
"fo\\0": "failed to decode escaped character: encoding/hex: invalid byte: 0",
"fo\\UU️o-long.com": "failed to decode escaped character: encoding/hex: invalid byte: U+0055 'U'",
"fo\\0❤️o-long.com": "failed to decode escaped character: invalid byte: 0❤",
}
for encoded, expectedError := range errorTestcases {
t.Logf("Testing encoded string: %s", encoded)
_, err := decodeString(encoded)
assert.EqualError(t, err, expectedError)
}
}