-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathfrom_binary_test.go
More file actions
942 lines (920 loc) · 24.6 KB
/
from_binary_test.go
File metadata and controls
942 lines (920 loc) · 24.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
package sddl
import (
"testing"
)
func TestParseSIDBinary(t *testing.T) {
t.Parallel()
tests := []struct {
name string
data []byte
want string
wantErr bool
}{
{
name: "Invalid data - too short",
data: []byte{0x01, 0x02}, // Not enough bytes for a valid SID
want: "",
wantErr: true,
},
{
name: "Invalid data - nil",
data: nil,
want: "",
wantErr: true,
},
{
name: "Invalid data - mismatched length for sub-authorities",
data: []byte{
0x01, // Revision
0x02, // SubAuthorityCount (claims 2 but only has data for 1)
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority
0x01, 0x00, 0x00, 0x00, // One SubAuthority only
},
want: "",
wantErr: true,
},
{
name: "Valid minimal SID",
data: []byte{
0x01, // Revision
0x01, // SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority (NT Authority)
0x01, 0x00, 0x00, 0x00, // SubAuthority[0] = 1 (DIALUP)
},
want: "DU", // Well-known SID for DIALUP
wantErr: false,
},
{
name: "Valid SID with multiple authorities",
data: []byte{
0x01, // Revision
0x02, // SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority (NT Authority)
0x20, 0x00, 0x00, 0x00, // SubAuthority[0] = 32 (BUILTIN)
0x20, 0x02, 0x00, 0x00, // SubAuthority[1] = 544 (Administrators)
},
want: "BA", // Well-known SID for BUILTIN\Administrators
wantErr: false,
},
{
name: "Non-well-known SID",
data: []byte{
0x01, // Revision
0x05, // SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority
0x21, 0x00, 0x00, 0x00, // SubAuthority[0]
0x22, 0x00, 0x00, 0x00, // SubAuthority[1]
0x23, 0x00, 0x00, 0x00, // SubAuthority[2]
0x24, 0x00, 0x00, 0x00, // SubAuthority[3]
0x25, 0x00, 0x00, 0x00, // SubAuthority[4]
},
want: "S-1-5-33-34-35-36-37", // Regular SID format
wantErr: false,
},
{
name: "Well-known NT AUTHORITY\\SYSTEM SID",
data: []byte{
0x01, // Revision
0x01, // SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority (NT Authority)
0x12, 0x00, 0x00, 0x00, // SubAuthority[0] = 18 (SYSTEM)
},
want: "SY", // Well-known SID for Local System
wantErr: false,
},
{
name: "Well-known Everyone SID",
data: []byte{
0x01, // Revision
0x01, // SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, // World Authority
0x00, 0x00, 0x00, 0x00, // SubAuthority[0] = 0
},
want: "WD", // Well-known SID for Everyone
wantErr: false,
},
{
name: "Maximum sub-authorities",
data: []byte{
0x01, // Revision
0x0F, // SubAuthorityCount (15 is max)
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority
0x01, 0x00, 0x00, 0x00, // SubAuthority[0]
0x02, 0x00, 0x00, 0x00,
0x03, 0x00, 0x00, 0x00,
0x04, 0x00, 0x00, 0x00,
0x05, 0x00, 0x00, 0x00,
0x06, 0x00, 0x00, 0x00,
0x07, 0x00, 0x00, 0x00,
0x08, 0x00, 0x00, 0x00,
0x09, 0x00, 0x00, 0x00,
0x0A, 0x00, 0x00, 0x00,
0x0B, 0x00, 0x00, 0x00,
0x0C, 0x00, 0x00, 0x00,
0x0D, 0x00, 0x00, 0x00,
0x0E, 0x00, 0x00, 0x00,
0x0F, 0x00, 0x00, 0x00,
},
want: "S-1-5-1-2-3-4-5-6-7-8-9-10-11-12-13-14-15",
wantErr: false,
},
{
name: "Too many sub-authorities",
data: []byte{
0x01, // Revision
0x10, // SubAuthorityCount (16 is too many)
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // IdentifierAuthority
0x01, 0x00, 0x00, 0x00, // SubAuthority data...
},
want: "",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
sid, err := parseSIDBinary(tt.data)
if tt.wantErr {
if err == nil {
t.Errorf("parseSIDBinary() error = %v, wantErr %v", err, tt.wantErr)
}
if sid != nil {
t.Errorf("parseSIDBinary() sid = %#v, want nil", sid)
}
return
}
if err != nil {
t.Errorf("parseSIDBinary() error = %v, wantErr %v", err, tt.wantErr)
}
if sid == nil {
t.Errorf("parseSIDBinary() sid = nil, want non-nil, wantErr %v", tt.wantErr)
return
}
if sidStr := sid.String(); sidStr != tt.want {
t.Errorf("parseSIDBinary() = %v, want %v, (sid = %#v)", sidStr, tt.want, sid)
}
})
}
}
func TestParseACEBinary(t *testing.T) {
t.Parallel()
tests := []struct {
name string
data []byte
want string
wantErr bool
}{
{
name: "Invalid data - too short",
data: []byte{0x00, 0x00, 0x14, 0x00}, // Only header size, no mask or SID
want: "",
wantErr: true,
},
{
name: "Invalid data - mismatched size",
data: []byte{
0x00, // Type
0x00, // Flags
0xFF, 0x00, // Size (larger than actual data)
0x00, 0x00, 0x00, 0x00, // Mask
// Minimal SID
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
},
want: "",
wantErr: true,
},
{
name: "Basic Allow ACE",
data: []byte{
// ACE Header
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags (none)
0x14, 0x00, // Size (20 bytes)
// Access mask
0xFF, 0x01, 0x1F, 0x00, // 0x1F01FF - Full Access
// SID (SYSTEM)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
},
want: "(A;;FA;;;SY)",
wantErr: false,
},
{
name: "Basic Deny ACE",
data: []byte{
0x01, // Type (ACCESS_DENIED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size
0x89, 0x00, 0x12, 0x00, // 0x120089 - File Read
// SID (Everyone)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
},
want: "(D;;FR;;;WD)",
wantErr: false,
},
{
name: "Audit ACE",
data: []byte{
0x02, // Type (SYSTEM_AUDIT_ACE_TYPE)
0x00, // Flags
0x18, 0x00, // Size
0x16, 0x01, 0x12, 0x00, // 0x00120116 - File Write
// SID (BUILTIN\Administrators)
0x01, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x20, 0x00, 0x00, 0x00,
0x20, 0x02, 0x00, 0x00,
},
want: "(AU;;FW;;;BA)",
wantErr: false,
},
{
name: "ACE with inheritance flags",
data: []byte{
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x0B, // Flags (CONTAINER_INHERIT_ACE | OBJECT_INHERIT_ACE | INHERIT_ONLY_ACE)
0x14, 0x00, // Size
0xA9, 0x00, 0x12, 0x00, // 0x1200A9 - Read and Execute Access
// SID (Authenticated Users)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x0B, 0x00, 0x00, 0x00,
},
want: "(A;OICIIO;CCSWWPLORCSY;;;AU)",
wantErr: false,
},
{
name: "ACE with custom access mask",
data: []byte{
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size
0x34, 0x12, 0x56, 0x78, // Custom access mask
// SID (SYSTEM)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
},
want: "(A;;0x78561234;;;SY)",
wantErr: false,
},
{
name: "ACE with inherited flag",
data: []byte{
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x10, // Flags (INHERITED_ACE)
0x18, 0x00, // Size
0x89, 0x00, 0x12, 0x00, // File Read
// SID (BUILTIN\Users)
0x01, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x20, 0x00, 0x00, 0x00,
0x21, 0x02, 0x00, 0x00,
},
want: "(A;ID;FR;;;BU)",
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
ace, err := parseACEBinary(tt.data)
if tt.wantErr {
if err == nil {
t.Errorf("parseACEBinary() expected error, got nil")
}
if ace != nil {
t.Errorf("parseACEBinary() expected nil, got %v", ace)
}
return
}
if err != nil {
t.Errorf("parseACEBinary() error = %v, expected nil", err)
return
}
if ace == nil {
t.Errorf("parseACEBinary() expected non-nil, got nil")
return
}
if aceStr := ace.String(); aceStr != tt.want {
t.Errorf("parseACEBinary() = %v, want %v", aceStr, tt.want)
}
})
}
}
func TestParseACLBinary(t *testing.T) {
t.Parallel()
tests := []struct {
name string
data []byte
aclType string
control uint16
want *acl
wantStr string
wantErr bool
}{
{
name: "Invalid data - too short",
data: []byte{0x02, 0x00}, // Not enough bytes for ACL header
aclType: "D",
control: 0,
wantStr: "",
wantErr: true,
},
{
name: "Invalid data - size mismatch",
data: []byte{
0x02, // Revision
0x00, // Sbz1
0xFF, 0x00, // Size (too large)
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
},
aclType: "D",
control: 0,
wantStr: "",
wantErr: true,
},
{
name: "Empty ACL",
data: []byte{
0x02, // Revision
0x00, // Sbz1
0x08, 0x00, // Size (8 bytes - just header)
0x00, 0x00, // AceCount
0x00, 0x00, // Sbz2
},
aclType: "D",
control: 0,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x8,
sbz2: 0,
aclType: "D",
control: 0,
aces: nil,
},
wantStr: "",
wantErr: false,
},
{
name: "Protected empty ACL",
data: []byte{
0x02, // Revision
0x00, // Sbz1
0x08, 0x00, // Size
0x00, 0x00, // AceCount
0x00, 0x00, // Sbz2
},
aclType: "D",
control: seDACLProtected,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x8,
sbz2: 0,
aclType: "D",
control: seDACLProtected,
},
wantStr: "P",
wantErr: false,
},
{
name: "Auto-inherited empty ACL",
data: []byte{
0x02, // Revision
0x00, // Sbz1
0x08, 0x00, // Size
0x00, 0x00, // AceCount
0x00, 0x00, // Sbz2
},
aclType: "D",
control: seDACLAutoInherited,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x8,
sbz2: 0,
aclType: "D",
control: seDACLAutoInherited,
},
wantStr: "AI",
wantErr: false,
},
{
name: "Protected and auto-inherited empty ACL",
data: []byte{
0x02, // Revision
0x00, // Sbz1
0x08, 0x00, // Size
0x00, 0x00, // AceCount
0x00, 0x00, // Sbz2
},
aclType: "D",
control: seDACLProtected | seDACLAutoInherited,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x8,
sbz2: 0,
aclType: "D",
control: seDACLProtected | seDACLAutoInherited,
},
wantStr: "PAI",
wantErr: false,
},
{
name: "ACL with one ACE",
data: []byte{
// ACL Header
0x02, // Revision
0x00, // Sbz1
0x1C, 0x00, // Size (28 bytes = 8 header + 20 ACE)
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
// ACE
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size (20 bytes)
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
// SID (SYSTEM)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority (NT Authority)
0x12, 0x00, 0x00, 0x00, // SubAuthority (SYSTEM)
},
aclType: "D",
control: 0,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x1C, // 28 bytes = 8 header + 20 ACE
aceCount: 1,
sbz2: 0,
aclType: "D",
control: 0,
aces: []ace{
{
header: &aceHeader{
aceType: 0,
aceFlags: 0,
aceSize: 0x14, // 20 Bytes
},
accessMask: 0x001F01FF, // Full Access
sid: &sid{
revision: 1,
identifierAuthority: 5, // NT Authority
subAuthority: []uint32{0x12}, // SYSTEM
},
},
},
},
wantStr: "(A;;FA;;;SY)",
wantErr: false,
},
{
name: "ACL with multiple ACEs",
data: []byte{
// ACL Header
0x02, // Revision
0x00, // Sbz1
0x38, 0x00, // Size (56 bytes = 8 header + 20 first ACE + 28 second ACE)
0x02, 0x00, // AceCount
0x00, 0x00, // Sbz2
// First ACE - Allow System Full Access
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
0x01, 0x01, // SID - Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authoruty
0x12, 0x00, 0x00, 0x00, // SubAuthority - SYSTEM
// Second ACE - Allow Administrators Read
0x00, // Type
0x00, // Flags
0x18, 0x00, // Size (24 bytes - larger to accommodate full Administrators SID)
0x89, 0x00, 0x12, 0x00, // Access mask (File Read)
0x01, 0x02, // SID: Rev=1, Count=2
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority (NT Authority)
0x20, 0x00, 0x00, 0x00, // SubAuth1 = 32 (BUILTIN)
0x20, 0x02, 0x00, 0x00, // SubAuth2 = 544 (Administrators)
},
aclType: "D",
control: 0,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x38, // 56 bytes = 8 header + 20 first ACE + 28 second ACE
aceCount: 2,
sbz2: 0,
aclType: "D",
control: 0,
aces: []ace{
{
header: &aceHeader{
aceType: 0,
aceFlags: 0,
aceSize: 0x14, // 20 Bytes
},
accessMask: 0x001F01FF, // Full Access
sid: &sid{
revision: 1,
identifierAuthority: 5,
subAuthority: []uint32{0x12},
},
},
{
header: &aceHeader{
aceType: 0,
aceFlags: 0,
aceSize: 0x18, // 24 Bytes
},
accessMask: 0x00120089, // File Read
sid: &sid{
revision: 1,
identifierAuthority: 5, // NT Authority
subAuthority: []uint32{0x20, 0x0220}, // BUILTIN, Administrators
},
},
},
},
wantStr: "(A;;FA;;;SY)(A;;FR;;;BA)",
wantErr: false,
},
{
name: "SACL with audit ACEs",
data: []byte{
// ACL Header
0x02, // Revision
0x00, // Sbz1
0x28, 0x00, // Size (40 bytes = 8 header + 2 ACEs of 16 bytes each)
0x02, 0x00, // AceCount
0x00, 0x00, // Sbz2
// First ACE - Audit System Success
0x02, // Type (SYSTEM_AUDIT_ACE_TYPE)
0x40, // Flags (SUCCESSFUL_ACCESS_ACE)
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00, // SYSTEM
// Second ACE - Audit System Failure
0x02, // Type (SYSTEM_AUDIT_ACE_TYPE)
0x80, // Flags (FAILED_ACCESS_ACE)
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00, // SYSTEM
},
aclType: "S",
control: seSACLPresent,
want: &acl{
aclRevision: 0x02,
sbzl: 0,
aclSize: 0x28, // 40 bytes = 8 header + 2 ACEs of 16 bytes each
aceCount: 2,
sbz2: 0,
aclType: "S",
control: seSACLPresent,
aces: []ace{
{
header: &aceHeader{
aceType: 2, // SYSTEM_AUDIT_ACE_TYPE
aceFlags: 0x40, // SUCCESSFUL_ACCESS_ACE
aceSize: 0x14, // 20 Bytes
},
accessMask: 0x001F01FF, // Full Access
sid: &sid{
revision: 1,
identifierAuthority: 5, // NT Authority
subAuthority: []uint32{0x12}, // SYSTEM
},
},
{
header: &aceHeader{
aceType: 2, // SYSTEM_AUDIT_ACE_TYPE
aceFlags: 0x80, // FAILED_ACCESS_ACE
aceSize: 0x14, // 20 Bytes
},
accessMask: 0x001F01FF, // Full Access
sid: &sid{
revision: 1,
identifierAuthority: 5, // NT Authority
subAuthority: []uint32{0x12}, // SYSTEM
},
},
},
},
wantStr: "(AU;SA;FA;;;SY)(AU;FA;FA;;;SY)",
wantErr: false,
}}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
acl, err := parseACLBinary(tt.data, tt.aclType, tt.control)
if tt.wantErr {
if err == nil {
t.Errorf("parseACLBinary() = %v, wantErr %v", acl, tt.wantErr)
}
if acl != nil {
t.Errorf("parseACLBinary() = %v, wantErr %v", acl, tt.wantErr)
}
return
}
if err != nil {
t.Errorf("parseACLBinary() error = %v, wantErr %v", err, tt.wantErr)
return
}
if acl == nil {
t.Errorf("parseACLBinary() = %v, wantErr %v", acl, tt.wantErr)
return
}
compareACLs(t, "acl", acl, tt.want)
if aclStr := acl.String(); aclStr != tt.wantStr {
t.Errorf("parseACLBinary() = %v, want %v", aclStr, tt.wantStr)
}
})
}
}
func TestFromBinary(t *testing.T) {
t.Parallel()
tests := []struct {
name string
data []byte
want string
wantErr bool
}{
{
name: "Invalid data - too short",
data: []byte{0x01, 0x00, 0x04},
want: "",
wantErr: true,
},
{
name: "Invalid data - nil",
data: nil,
want: "",
wantErr: true,
},
{
name: "Empty self-relative security descriptor",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x00, 0x80, // Control (SE_SELF_RELATIVE)
0x00, 0x00, 0x00, 0x00, // Owner
0x00, 0x00, 0x00, 0x00, // Group
0x00, 0x00, 0x00, 0x00, // Sacl
0x00, 0x00, 0x00, 0x00, // Dacl
},
want: "",
wantErr: false,
},
{
name: "Security descriptor with owner only",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x00, 0x80, // Control (SE_SELF_RELATIVE)
0x14, 0x00, 0x00, 0x00, // Owner offset
0x00, 0x00, 0x00, 0x00, // Group
0x00, 0x00, 0x00, 0x00, // Sacl
0x00, 0x00, 0x00, 0x00, // Dacl
// Owner SID (SYSTEM)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority
0x12, 0x00, 0x00, 0x00, // SubAuthority
},
want: "O:SY",
wantErr: false,
},
{
name: "Security descriptor with owner and group",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x00, 0x80, // Control (SE_SELF_RELATIVE)
0x14, 0x00, 0x00, 0x00, // Owner offset (20 bytes from start)
0x20, 0x00, 0x00, 0x00, // Group offset (32 bytes from start)
0x00, 0x00, 0x00, 0x00, // Sacl
0x00, 0x00, 0x00, 0x00, // Dacl
// Owner SID (SYSTEM)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority
0x12, 0x00, 0x00, 0x00, // SubAuthority
// Group SID (Everyone - S-1-1-0)
0x01, // Revision (1)
0x01, // SubAuthorityCount (1)
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, // IdentifierAuthority (SECURITY_WORLD_SID_AUTHORITY = 1)
0x00, 0x00, 0x00, 0x00, // SubAuthority[0] = 0 (final component of S-1-1-0)
// Owner SID (SYSTEM)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
// Group SID (Everyone)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00,
},
want: "O:SYG:WD",
wantErr: false,
},
{
name: "Security descriptor with DACL",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x04, 0x80, // Control (SE_SELF_RELATIVE | SE_DACL_PRESENT)
0x00, 0x00, 0x00, 0x00, // Owner
0x00, 0x00, 0x00, 0x00, // Group
0x00, 0x00, 0x00, 0x00, // Sacl
0x14, 0x00, 0x00, 0x00, // Dacl offset
// DACL
0x02, // Revision
0x00, // Sbz1
0x1C, 0x00, // Size (28 bytes)
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
// ACE
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
// SID (SYSTEM)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
},
want: "D:(A;;FA;;;SY)",
wantErr: false,
},
{
name: "Security descriptor with SACL",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x10, 0x80, // Control (SE_SELF_RELATIVE | SE_SACL_PRESENT)
0x00, 0x00, 0x00, 0x00, // Owner
0x00, 0x00, 0x00, 0x00, // Group
0x14, 0x00, 0x00, 0x00, // Sacl offset
0x00, 0x00, 0x00, 0x00, // Dacl
// SACL
0x02, // Revision
0x00, // Sbz1
0x1C, 0x00, // Size
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
// ACE
0x02, // Type (SYSTEM_AUDIT_ACE_TYPE)
0x40, // Flags (SUCCESSFUL_ACCESS_ACE)
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
// SID (SYSTEM)
0x01, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
0x12, 0x00, 0x00, 0x00,
},
want: "S:(AU;SA;FA;;;SY)",
wantErr: false,
},
{
name: "Complete security descriptor with all components",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x14, 0x80, // Control (SE_SELF_RELATIVE | SE_DACL_PRESENT | SE_SACL_PRESENT)
0x4C, 0x00, 0x00, 0x00, // Owner offset
0x58, 0x00, 0x00, 0x00, // Group offset
0x14, 0x00, 0x00, 0x00, // Sacl offset
0x30, 0x00, 0x00, 0x00, // Dacl offset
// SACL
0x02, // Revision
0x00, // Sbz1
0x1C, 0x00, // Size
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
// SACL ACE
0x02, // Type (SYSTEM_AUDIT_ACE_TYPE)
0x40, // Flags (SUCCESSFUL_ACCESS_ACE)
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority (NT)
0x12, 0x00, 0x00, 0x00, // SubAuthority (18)
// DACL
0x02, // Revision
0x00, // Sbz1
0x1C, 0x00, // Size
0x01, 0x00, // AceCount
0x00, 0x00, // Sbz2
// DACL ACE
0x00, // Type (ACCESS_ALLOWED_ACE_TYPE)
0x00, // Flags
0x14, 0x00, // Size
0xFF, 0x01, 0x1F, 0x00, // Access mask (Full Access)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority (NT)
0x12, 0x00, 0x00, 0x00, // SubAuthority (18)
// Owner SID (SYSTEM)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x05, // Authority (NT)
0x12, 0x00, 0x00, 0x00, // SubAuthority (18)
// Group SID (Everyone)
0x01, 0x01, // Revision, SubAuthorityCount
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, // Authority (WORLD)
0x00, 0x00, 0x00, 0x00, // SubAuthority (0)
},
want: "O:SYG:WDD:(A;;FA;;;SY)S:(AU;SA;FA;;;SY)",
wantErr: false,
},
{
name: "Invalid owner offset",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x00, 0x80, // Control
0xFF, 0xFF, 0xFF, 0xFF, // Owner (invalid offset)
0x00, 0x00, 0x00, 0x00, // Group
0x00, 0x00, 0x00, 0x00, // Sacl
0x00, 0x00, 0x00, 0x00, // Dacl
},
want: "",
wantErr: true,
},
{
name: "Invalid group offset",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x00, 0x80, // Control
0x00, 0x00, 0x00, 0x00, // Owner
0xFF, 0xFF, 0xFF, 0xFF, // Group (invalid offset)
0x00, 0x00, 0x00, 0x00, // Sacl
0x00, 0x00, 0x00, 0x00, // Dacl
},
want: "",
wantErr: true,
},
{
name: "Invalid SACL offset",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x10, 0x80, // Control (SE_SELF_RELATIVE | SE_SACL_PRESENT)
0x00, 0x00, 0x00, 0x00, // Owner
0x00, 0x00, 0x00, 0x00, // Group
0xFF, 0xFF, 0xFF, 0xFF, // Sacl (invalid offset)
0x00, 0x00, 0x00, 0x00, // Dacl
},
want: "",
wantErr: true,
},
{
name: "Invalid DACL offset",
data: []byte{
0x01, // Revision
0x00, // Sbz1
0x04, 0x80, // Control (SE_SELF_RELATIVE | SE_DACL_PRESENT)
0x00, 0x00, 0x00, 0x00, // Owner
0x00, 0x00, 0x00, 0x00, // Group
0x00, 0x00, 0x00, 0x00, // Sacl
0xFF, 0xFF, 0xFF, 0xFF, // Dacl (invalid offset)
},
want: "",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
t.Parallel()
sd, err := FromBinary(tt.data)
if tt.wantErr {
if err == nil {
t.Errorf("ParseSecurityDescriptorToStruct() error = %v, wantErr %v", err, tt.wantErr)
}
if sd != nil {
t.Errorf("ParseSecurityDescriptorToStruct() = %v, want nil", sd)
}
return
}
if err != nil {
t.Errorf("ParseSecurityDescriptorToStruct() error = %v, wantErr %v", err, tt.wantErr)
return
}
if sd == nil {
t.Errorf("ParseSecurityDescriptorToStruct() = nil, want not nil")
return
}
sdStr := sd.String()
if sdStr != tt.want {
t.Errorf("ParseSecurityDescriptor() = %v, want %v", sdStr, tt.want)
}
})
}
}