forked from namjaejeon/ksmbd
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathsmb2pdu.h
1425 lines (1262 loc) · 42.5 KB
/
smb2pdu.h
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
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2016 Namjae Jeon <[email protected]>
* Copyright (C) 2018 Samsung Electronics Co., Ltd.
*/
#ifndef _SMB2PDU_SERVER_H
#define _SMB2PDU_SERVER_H
#include "ntlmssp.h"
/* SMB2's Specific ERRNO */
#define ESHARE 50000
/*
* Note that, due to trying to use names similar to the protocol specifications,
* there are many mixed case field names in the structures below. Although
* this does not match typical Linux kernel style, it is necessary to be
* be able to match against the protocol specfication.
*
* SMB2 commands
* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
* (ie no useful data other than the SMB error code itself) and are marked such.
* Knowing this helps avoid response buffer allocations and copy in some cases.
*/
/* List of commands in host endian */
#define SMB2_NEGOTIATE_HE 0x0000
#define SMB2_SESSION_SETUP_HE 0x0001
#define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */
#define SMB2_TREE_CONNECT_HE 0x0003
#define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
#define SMB2_CREATE_HE 0x0005
#define SMB2_CLOSE_HE 0x0006
#define SMB2_FLUSH_HE 0x0007 /* trivial resp */
#define SMB2_READ_HE 0x0008
#define SMB2_WRITE_HE 0x0009
#define SMB2_LOCK_HE 0x000A
#define SMB2_IOCTL_HE 0x000B
#define SMB2_CANCEL_HE 0x000C
#define SMB2_ECHO_HE 0x000D
#define SMB2_QUERY_DIRECTORY_HE 0x000E
#define SMB2_CHANGE_NOTIFY_HE 0x000F
#define SMB2_QUERY_INFO_HE 0x0010
#define SMB2_SET_INFO_HE 0x0011
#define SMB2_OPLOCK_BREAK_HE 0x0012
/* The same list in little endian */
#define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE)
#define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE)
#define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE)
#define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE)
#define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
#define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE)
#define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE)
#define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE)
#define SMB2_READ cpu_to_le16(SMB2_READ_HE)
#define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE)
#define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE)
#define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE)
#define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE)
#define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE)
#define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
#define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
#define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE)
#define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE)
#define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
/*Create Action Flags*/
#define FILE_SUPERSEDED 0x00000000
#define FILE_OPENED 0x00000001
#define FILE_CREATED 0x00000002
#define FILE_OVERWRITTEN 0x00000003
#define NUMBER_OF_SMB2_COMMANDS 0x0013
/* BB FIXME - analyze following length BB */
#define MAX_SMB2_HDR_SIZE 0x78 /* 4 len + 64 hdr + (2*24 wct) + 2 bct + 2 pad */
#define SMB2_PROTO_NUMBER __constant_cpu_to_le32(0x424d53fe) /* 'B''M''S' */
#define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
#define STATUS_NO_MORE_FILES __constant_cpu_to_le32(0x80000006)
#define STATUS_OBJECT_NAME_NOT_FOUND __constant_cpu_to_le32(0xC0000034)
/*
* SMB2 Header Definition
*
* "MBZ" : Must be Zero
* "BB" : BugBug, Something to check/review/analyze later
* "PDU" : "Protocol Data Unit" (ie a network "frame")
*
*/
#define SMB2_HEADER_STRUCTURE_SIZE __constant_cpu_to_le16(64)
struct smb2_hdr {
__be32 smb2_buf_length; /* big endian on wire */
/* length is only two or three bytes - with
one or two byte type preceding it that MBZ */
__le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */
__le16 StructureSize; /* 64 */
__le16 CreditCharge; /* MBZ */
__le32 Status; /* Error from server */
__le16 Command;
__le16 CreditRequest; /* CreditResponse */
__le32 Flags;
__le32 NextCommand;
__le64 MessageId;
union {
struct {
__le32 ProcessId;
__u32 TreeId;
} __packed SyncId;
__u64 AsyncId;
} __packed Id;
__u64 SessionId; /* opaque - so do not make little endian */
__u8 Signature[16];
} __packed;
struct smb2_pdu {
struct smb2_hdr hdr;
__le16 StructureSize2; /* size of wct area (varies, request specific) */
} __packed;
extern bool encryption_enable;
#define SMB3_AES128CMM_NONCE 11
#define SMB3_AES128GCM_NONCE 12
struct smb2_transform_hdr {
__be32 smb2_buf_length; /* big endian on wire */
/* length is only two or three bytes - with
one or two byte type preceding it that MBZ */
__le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
__u8 Signature[16];
__u8 Nonce[16];
__le32 OriginalMessageSize;
__u16 Reserved1;
__le16 Flags; /* EncryptionAlgorithm */
__u64 SessionId;
} __packed;
/*
* SMB2 flag definitions
*/
#define SMB2_FLAGS_SERVER_TO_REDIR __constant_cpu_to_le32(0x00000001)
#define SMB2_FLAGS_ASYNC_COMMAND __constant_cpu_to_le32(0x00000002)
#define SMB2_FLAGS_RELATED_OPERATIONS __constant_cpu_to_le32(0x00000004)
#define SMB2_FLAGS_SIGNED __constant_cpu_to_le32(0x00000008)
#define SMB2_FLAGS_DFS_OPERATIONS __constant_cpu_to_le32(0x10000000)
#define SMB2_FLAGS_REPLAY_OPERATIONS __constant_cpu_to_le32(0x20000000)
/*
* Definitions for SMB2 Protocol Data Units (network frames)
*
* See MS-SMB2.PDF specification for protocol details.
* The Naming convention is the lower case version of the SMB2
* command code name for the struct. Note that structures must be packed.
*
*/
#define SMB2_ERROR_STRUCTURE_SIZE2 __constant_cpu_to_le16(9)
struct smb2_err_rsp {
struct smb2_hdr hdr;
__le16 StructureSize;
__u8 ErrorContextCount;
__u8 Reserved;
__le32 ByteCount; /* even if zero, at least one byte follows */
__u8 ErrorData[1]; /* variable length */
} __packed;
struct smb2_negotiate_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 36 */
__le16 DialectCount;
__le16 SecurityMode;
__le16 Reserved; /* MBZ */
__le32 Capabilities;
__u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
/* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
__le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
__le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
__le16 Reserved2;
__le16 Dialects[1]; /* One dialect (vers=) at a time for now */
} __packed;
/* SecurityMode flags */
#define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001
#define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
/* Capabilities flags */
#define SMB2_GLOBAL_CAP_DFS 0x00000001
#define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */
#define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */
#define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */
#define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
#define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */
#define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */
/* Internal types */
#define SMB2_NT_FIND 0x00100000
#define SMB2_LARGE_FILES 0x00200000
#define SMB311_SALT_SIZE 32
/* Hash Algorithm Types */
#define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
#define PREAUTH_HASHVALUE_SIZE 64
struct preauth_integrity_info {
/* PreAuth integrity Hash ID */
int Preauth_HashId;
/* PreAuth integrity Hash Value */
__u8 Preauth_HashValue[PREAUTH_HASHVALUE_SIZE];
int CipherId;
};
/* offset is sizeof smb2_negotiate_rsp - 4 but rounded up to 8 bytes.
* sizeof(struct smb2_negotiate_rsp) - 4 =
* header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6)
*/
#define OFFSET_OF_NEG_CONTEXT 0xd0
#define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
#define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
struct smb2_preauth_neg_context {
__le16 ContextType; /* 1 */
__le16 DataLength;
__le32 Reserved;
__le16 HashAlgorithmCount; /* 1 */
__le16 SaltLength;
__le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
__u8 Salt[SMB311_SALT_SIZE];
} __packed;
/* Encryption Algorithms Ciphers */
#define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
#define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
struct smb2_encryption_neg_context {
__le16 ContextType; /* 2 */
__le16 DataLength;
__le32 Reserved;
__le16 CipherCount; /* AES-128-GCM and AES-128-CCM */
__le16 Ciphers[2]; /* Ciphers[0] since only one used now */
} __packed;
struct smb2_negotiate_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 65 */
__le16 SecurityMode;
__le16 DialectRevision;
__le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
__u8 ServerGUID[16];
__le32 Capabilities;
__le32 MaxTransactSize;
__le32 MaxReadSize;
__le32 MaxWriteSize;
__le64 SystemTime; /* MBZ */
__le64 ServerStartTime;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
__le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
__u8 Buffer[1]; /* variable length GSS security buffer */
} __packed;
/* Flags */
#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
#define SMB2_SESSION_EXPIRED 0x1
#define SMB2_SESSION_IN_PROGRESS 0x2
#define SMB2_SESSION_VALID 0x3
/* Flags */
#define SMB2_SESSION_REQ_FLAG_BINDING 0x01
#define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
struct smb2_sess_setup_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 25 */
__u8 Flags;
__u8 SecurityMode;
__le32 Capabilities;
__le32 Channel;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
__le64 PreviousSessionId;
__u8 Buffer[1]; /* variable length GSS security buffer */
} __packed;
/* Flags/Reserved for SMB3.1.1 */
#define SMB2_SHAREFLAG_CLUSTER_RECONNECT 0x0001
/* Currently defined SessionFlags */
#define SMB2_SESSION_FLAG_IS_GUEST 0x0001
#define SMB2_SESSION_FLAG_IS_NULL 0x0002
#define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
struct smb2_sess_setup_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 SessionFlags;
__le16 SecurityBufferOffset;
__le16 SecurityBufferLength;
__u8 Buffer[1]; /* variable length GSS security buffer */
} __packed;
struct smb2_logoff_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
struct smb2_logoff_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
struct smb2_tree_connect_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 Reserved; /* Flags in SMB3.1.1 */
__le16 PathOffset;
__le16 PathLength;
__u8 Buffer[1]; /* variable length */
} __packed;
struct smb2_tree_connect_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 16 */
__u8 ShareType; /* see below */
__u8 Reserved;
__le32 ShareFlags; /* see below */
__le32 Capabilities; /* see below */
__le32 MaximalAccess;
} __packed;
/* Possible ShareType values */
#define SMB2_SHARE_TYPE_DISK 0x01
#define SMB2_SHARE_TYPE_PIPE 0x02
#define SMB2_SHARE_TYPE_PRINT 0x03
/*
* Possible ShareFlags - exactly one and only one of the first 4 caching flags
* must be set (any of the remaining, SHI1005, flags may be set individually
* or in combination.
*/
#define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000
#define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010
#define SMB2_SHAREFLAG_VDO_CACHING 0x00000020
#define SMB2_SHAREFLAG_NO_CACHING 0x00000030
#define SHI1005_FLAGS_DFS 0x00000001
#define SHI1005_FLAGS_DFS_ROOT 0x00000002
#define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100
#define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200
#define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400
#define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800
#define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000
#define SHI1005_FLAGS_ENABLE_HASH 0x00002000
/* Possible share capabilities */
#define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008)
struct smb2_tree_disconnect_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
struct smb2_tree_disconnect_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
/* File Attrubutes */
#define FILE_ATTRIBUTE_READONLY_LE cpu_to_le32(0x00000001)
#define FILE_ATTRIBUTE_HIDDEN_LE cpu_to_le32(0x00000002)
#define FILE_ATTRIBUTE_SYSTEM_LE cpu_to_le32(0x00000004)
#define FILE_ATTRIBUTE_DIRECTORY_LE cpu_to_le32(0x00000010)
#define FILE_ATTRIBUTE_ARCHIVE_LE cpu_to_le32(0x00000020)
#define FILE_ATTRIBUTE_NORMAL_LE cpu_to_le32(0x00000080)
#define FILE_ATTRIBUTE_TEMPORARY_LE cpu_to_le32(0x00000100)
#define FILE_ATTRIBUTE_SPARSE_FILE_LE cpu_to_le32(0x00000200)
#define FILE_ATTRIBUTE_REPARSE_POINT_LE cpu_to_le32(0x00000400)
#define FILE_ATTRIBUTE_COMPRESSED_LE cpu_to_le32(0x00000800)
#define FILE_ATTRIBUTE_OFFLINE_LE cpu_to_le32(0x00001000)
#define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED_LE cpu_to_le32(0x00002000)
#define FILE_ATTRIBUTE_ENCRYPTED_LE cpu_to_le32(0x00004000)
#define FILE_ATTRIBUTE_INTEGRITY_STREAML_LE cpu_to_le32(0x00008000)
#define FILE_ATTRIBUTE_NO_SCRUB_DATA_LE cpu_to_le32(0x00020000)
#define FILE_ATTRIBUTE_MASK cpu_to_le32(0x00007FB7)
/* Oplock levels */
#define SMB2_OPLOCK_LEVEL_NONE 0x00
#define SMB2_OPLOCK_LEVEL_II 0x01
#define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
#define SMB2_OPLOCK_LEVEL_BATCH 0x09
#define SMB2_OPLOCK_LEVEL_LEASE 0xFF
/* Non-spec internal type */
#define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99
/* Desired Access Flags */
#define FILE_READ_DATA_LE cpu_to_le32(0x00000001)
#define FILE_LIST_DIRECTORY_LE cpu_to_le32(0x00000001)
#define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002)
#define FILE_ADD_FILE_LE cpu_to_le32(0x00000002)
#define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004)
#define FILE_ADD_SUBDIRECTORY_LE cpu_to_le32(0x00000004)
#define FILE_READ_EA_LE cpu_to_le32(0x00000008)
#define FILE_WRITE_EA_LE cpu_to_le32(0x00000010)
#define FILE_EXECUTE_LE cpu_to_le32(0x00000020)
#define FILE_TRAVERSE_LE cpu_to_le32(0x00000020)
#define FILE_DELETE_CHILD_LE cpu_to_le32(0x00000040)
#define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080)
#define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100)
#define FILE_DELETE_LE cpu_to_le32(0x00010000)
#define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000)
#define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000)
#define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000)
#define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000)
#define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)
#define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000)
#define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000)
#define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000)
#define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000)
#define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000)
#define DISIRED_ACCESS_MASK cpu_to_le32(0xF21F01FF)
/* ShareAccess Flags */
#define FILE_SHARE_READ_LE cpu_to_le32(0x00000001)
#define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002)
#define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004)
#define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007)
/* CreateDisposition Flags */
#define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000)
#define FILE_OPEN_LE cpu_to_le32(0x00000001)
#define FILE_CREATE_LE cpu_to_le32(0x00000002)
#define FILE_OPEN_IF_LE cpu_to_le32(0x00000003)
#define FILE_OVERWRITE_LE cpu_to_le32(0x00000004)
#define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005)
#define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
| FILE_READ_ATTRIBUTES_LE)
#define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
| FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
#define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
/* Impersonation Levels */
#define IL_ANONYMOUS cpu_to_le32(0x00000000)
#define IL_IDENTIFICATION cpu_to_le32(0x00000001)
#define IL_IMPERSONATION cpu_to_le32(0x00000002)
#define IL_DELEGATE cpu_to_le32(0x00000003)
/* Create Context Values */
#define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */
#define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */
#define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ"
#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC"
#define SMB2_CREATE_ALLOCATION_SIZE "AlSi"
#define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
#define SMB2_CREATE_TIMEWARP_REQUEST "TWrp"
#define SMB2_CREATE_QUERY_ON_DISK_ID "QFid"
#define SMB2_CREATE_REQUEST_LEASE "RqLs"
#define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"
#define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
#define SMB2_CREATE_APP_INSTANCE_ID "\x45\xBC\xA6\x6A\xEF\xA7\xF7\x4A\x90\x08\xFA\x46\x2E\x14\x4D\x74"
#define SMB2_CREATE_APP_INSTANCE_VERSION "\xB9\x82\xD0\xB7\x3B\x56\x07\x4F\xA0\x7B\x52\x4A\x81\x16\xA0\x10"
#define SVHDX_OPEN_DEVICE_CONTEXT 0x83CE6F1AD851E0986E34401CC9BCFCE9
struct smb2_create_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
__u8 SecurityFlags;
__u8 RequestedOplockLevel;
__le32 ImpersonationLevel;
__le64 SmbCreateFlags;
__le64 Reserved;
__le32 DesiredAccess;
__le32 FileAttributes;
__le32 ShareAccess;
__le32 CreateDisposition;
__le32 CreateOptions;
__le16 NameOffset;
__le16 NameLength;
__le32 CreateContextsOffset;
__le32 CreateContextsLength;
__u8 Buffer[0];
} __packed;
struct smb2_create_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 89 */
__u8 OplockLevel;
__u8 Reserved;
__le32 CreateAction;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 AllocationSize;
__le64 EndofFile;
__le32 FileAttributes;
__le32 Reserved2;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 CreateContextsOffset;
__le32 CreateContextsLength;
__u8 Buffer[1];
} __packed;
struct create_context {
__le32 Next;
__le16 NameOffset;
__le16 NameLength;
__le16 Reserved;
__le16 DataOffset;
__le32 DataLength;
__u8 Buffer[0];
} __packed;
struct create_durable_req_v2 {
struct create_context ccontext;
__u8 Name[8];
__le32 Timeout;
__le32 Flags;
__u8 Reserved[8];
__u8 CreateGuid[16];
} __packed;
struct create_durable_reconn_req {
struct create_context ccontext;
__u8 Name[8];
union {
__u8 Reserved[16];
struct {
__u64 PersistentFileId;
__u64 VolatileFileId;
} Fid;
} Data;
} __packed;
struct create_durable_reconn_v2_req {
struct create_context ccontext;
__u8 Name[8];
struct {
__u64 PersistentFileId;
__u64 VolatileFileId;
} Fid;
__u8 CreateGuid[16];
__le32 Flags;
} __packed;
struct create_app_inst_id {
struct create_context ccontext;
__u8 Name[8];
__u8 Reserved[8];
__u8 AppInstanceId[16];
} __packed;
struct create_app_inst_id_vers {
struct create_context ccontext;
__u8 Name[8];
__u8 Reserved[2];
__u8 Padding[4];
__le64 AppInstanceVersionHigh;
__le64 AppInstanceVersionLow;
} __packed;
struct create_mxac_req {
struct create_context ccontext;
__u8 Name[8];
__le64 Timestamp;
} __packed;
struct create_alloc_size_req {
struct create_context ccontext;
__u8 Name[8];
__le64 AllocationSize;
} __packed;
struct create_durable_rsp {
struct create_context ccontext;
__u8 Name[8];
union {
__u8 Reserved[8];
__u64 data;
} Data;
} __packed;
struct create_durable_v2_rsp {
struct create_context ccontext;
__u8 Name[8];
__le32 Timeout;
__le32 Flags;
} __packed;
struct create_mxac_rsp {
struct create_context ccontext;
__u8 Name[8];
__le32 QueryStatus;
__le32 MaximalAccess;
} __packed;
struct create_disk_id_rsp {
struct create_context ccontext;
__u8 Name[8];
__le64 DiskFileId;
__le64 VolumeId;
__u8 Reserved[16];
} __packed;
#define SMB2_LEASE_NONE __constant_cpu_to_le32(0x00)
#define SMB2_LEASE_READ_CACHING __constant_cpu_to_le32(0x01)
#define SMB2_LEASE_HANDLE_CACHING __constant_cpu_to_le32(0x02)
#define SMB2_LEASE_WRITE_CACHING __constant_cpu_to_le32(0x04)
#define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS __constant_cpu_to_le32(0x02)
struct lease_context {
__le64 LeaseKeyLow;
__le64 LeaseKeyHigh;
__le32 LeaseState;
__le32 LeaseFlags;
__le64 LeaseDuration;
} __packed;
struct create_lease {
struct create_context ccontext;
__u8 Name[8];
struct lease_context lcontext;
} __packed;
/* Currently defined values for close flags */
#define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
struct smb2_close_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 24 */
__le16 Flags;
__le32 Reserved;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
} __packed;
struct smb2_close_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* 60 */
__le16 Flags;
__le32 Reserved;
__le64 CreationTime;
__le64 LastAccessTime;
__le64 LastWriteTime;
__le64 ChangeTime;
__le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
__le64 EndOfFile;
__le32 Attributes;
} __packed;
struct smb2_flush_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 24 */
__le16 Reserved1;
__le32 Reserved2;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
} __packed;
struct smb2_flush_rsp {
struct smb2_hdr hdr;
__le16 StructureSize;
__le16 Reserved;
} __packed;
struct smb2_read_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 49 */
__u8 Padding; /* offset from start of SMB2 header to place read */
__u8 Reserved;
__le32 Length;
__le64 Offset;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 MinimumCount;
__le32 Channel; /* Reserved MBZ */
__le32 RemainingBytes;
__le16 ReadChannelInfoOffset; /* Reserved MBZ */
__le16 ReadChannelInfoLength; /* Reserved MBZ */
__u8 Buffer[1];
} __packed;
struct smb2_read_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 17 */
__u8 DataOffset;
__u8 Reserved;
__le32 DataLength;
__le32 DataRemaining;
__u32 Reserved2;
__u8 Buffer[1];
} __packed;
/* For write request Flags field below the following flag is defined: */
#define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001
struct smb2_write_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 49 */
__le16 DataOffset; /* offset from start of SMB2 header to write data */
__le32 Length;
__le64 Offset;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 Channel; /* Reserved MBZ */
__le32 RemainingBytes;
__le16 WriteChannelInfoOffset; /* Reserved MBZ */
__le16 WriteChannelInfoLength; /* Reserved MBZ */
__le32 Flags;
__u8 Buffer[1];
} __packed;
struct smb2_write_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 17 */
__u8 DataOffset;
__u8 Reserved;
__le32 DataLength;
__le32 DataRemaining;
__u32 Reserved2;
__u8 Buffer[1];
} __packed;
struct smb2_ioctl_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 57 */
__le16 Reserved; /* offset from start of SMB2 header to write data */
__le32 CntCode;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 InputOffset; /* Reserved MBZ */
__le32 InputCount;
__le32 MaxInputResponse;
__le32 OutputOffset;
__le32 OutputCount;
__le32 MaxOutputResponse;
__le32 Flags;
__le32 Reserved2;
__u8 Buffer[1];
} __packed;
struct smb2_ioctl_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 49 */
__le16 Reserved; /* offset from start of SMB2 header to write data */
__le32 CntCode;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 InputOffset; /* Reserved MBZ */
__le32 InputCount;
__le32 OutputOffset;
__le32 OutputCount;
__le32 Flags;
__le32 Reserved2;
__u8 Buffer[1];
} __packed;
struct validate_negotiate_info_req {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
__le16 SecurityMode;
__le16 DialectCount;
__le16 Dialects[1]; /* dialect (someday maybe list) client asked for */
} __packed;
struct validate_negotiate_info_rsp {
__le32 Capabilities;
__u8 Guid[SMB2_CLIENT_GUID_SIZE];
__le16 SecurityMode;
__le16 Dialect; /* Dialect in use for the connection */
} __packed;
struct smb_sockaddr_in {
__le16 Port;
__le32 IPv4address;
__u8 Reserved[8];
} __packed;
struct smb_sockaddr_in6 {
__le16 Port;
__le32 FlowInfo;
__u8 IPv6address[16];
__le32 ScopeId;
} __packed;
#define INTERNETWORK 0x0002
#define INTERNETWORKV6 0x0017
struct sockaddr_storage_rsp {
__le16 Family;
union {
struct smb_sockaddr_in addr4;
struct smb_sockaddr_in6 addr6;
};
} __packed;
#define RSS_CAPABLE 0x00000001
#define RDMA_CAPABLE 0x00000002
struct network_interface_info_ioctl_rsp {
__le32 Next; /* next interface. zero if this is last one */
__le32 IfIndex;
__le32 Capability; /* RSS or RDMA Capable */
__le32 Reserved;
__le64 LinkSpeed;
char SockAddr_Storage[128];
} __packed;
struct file_object_buf_type1_ioctl_rsp {
__u8 ObjectId[16];
__u8 BirthVolumeId[16];
__u8 BirthObjectId[16];
__u8 DomainId[16];
} __packed;
/* Completion Filter flags for Notify */
#define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
#define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
#define FILE_NOTIFY_CHANGE_NAME 0x00000003
#define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
#define FILE_NOTIFY_CHANGE_SIZE 0x00000008
#define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
#define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
#define FILE_NOTIFY_CHANGE_CREATION 0x00000040
#define FILE_NOTIFY_CHANGE_EA 0x00000080
#define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
#define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
#define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
#define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
/* Flags */
#define SMB2_WATCH_TREE 0x0001
struct smb2_notify_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 32 */
__le16 Flags;
__le32 OutputBufferLength;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__u32 CompletionFileter;
__u32 Reserved;
} __packed;
struct smb2_notify_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
/* SMB2 Notify Action Flags */
#define FILE_ACTION_ADDED 0x00000001
#define FILE_ACTION_REMOVED 0x00000002
#define FILE_ACTION_MODIFIED 0x00000003
#define FILE_ACTION_RENAMED_OLD_NAME 0x00000004
#define FILE_ACTION_RENAMED_NEW_NAME 0x00000005
#define FILE_ACTION_ADDED_STREAM 0x00000006
#define FILE_ACTION_REMOVED_STREAM 0x00000007
#define FILE_ACTION_MODIFIED_STREAM 0x00000008
#define FILE_ACTION_REMOVED_BY_DELETE 0x00000009
#define SMB2_LOCKFLAG_SHARED 0x0001
#define SMB2_LOCKFLAG_EXCLUSIVE 0x0002
#define SMB2_LOCKFLAG_UNLOCK 0x0004
#define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
#define SMB2_LOCKFLAG_MASK 0x0007
struct smb2_lock_element {
__le64 Offset;
__le64 Length;
__le32 Flags;
__le32 Reserved;
} __packed;
struct smb2_lock_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 48 */
__le16 LockCount;
__le32 Reserved;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
/* Followed by at least one */
struct smb2_lock_element locks[1];
} __packed;
struct smb2_lock_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__le16 Reserved;
} __packed;
struct smb2_echo_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__u16 Reserved;
} __packed;
struct smb2_echo_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 4 */
__u16 Reserved;
} __packed;
/* search (query_directory) Flags field */
#define SMB2_RESTART_SCANS 0x01
#define SMB2_RETURN_SINGLE_ENTRY 0x02
#define SMB2_INDEX_SPECIFIED 0x04
#define SMB2_REOPEN 0x10
struct smb2_query_directory_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 33 */
__u8 FileInformationClass;
__u8 Flags;
__le32 FileIndex;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le16 FileNameOffset;
__le16 FileNameLength;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
struct smb2_query_directory_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
/* Possible InfoType values */
#define SMB2_O_INFO_FILE 0x01
#define SMB2_O_INFO_FILESYSTEM 0x02
#define SMB2_O_INFO_SECURITY 0x03
#define SMB2_O_INFO_QUOTA 0x04
/* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
#define OWNER_SECINFO 0x00000001
#define GROUP_SECINFO 0x00000002
#define DACL_SECINFO 0x00000004
#define SACL_SECINFO 0x00000008
#define LABEL_SECINFO 0x00000010
#define ATTRIBUTE_SECINFO 0x00000020
#define SCOPE_SECINFO 0x00000040
#define BACKUP_SECINFO 0x00010000
#define UNPROTECTED_SACL_SECINFO 0x10000000
#define UNPROTECTED_DACL_SECINFO 0x20000000
#define PROTECTED_SACL_SECINFO 0x40000000
#define PROTECTED_DACL_SECINFO 0x80000000
struct smb2_query_info_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 41 */
__u8 InfoType;
__u8 FileInfoClass;
__le32 OutputBufferLength;
__le16 InputBufferOffset;
__u16 Reserved;
__le32 InputBufferLength;
__le32 AdditionalInformation;
__le32 Flags;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__u8 Buffer[1];
} __packed;
struct smb2_query_info_rsp {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 9 */
__le16 OutputBufferOffset;
__le32 OutputBufferLength;
__u8 Buffer[1];
} __packed;
struct smb2_set_info_req {
struct smb2_hdr hdr;
__le16 StructureSize; /* Must be 33 */
__u8 InfoType;
__u8 FileInfoClass;
__le32 BufferLength;
__le16 BufferOffset;
__u16 Reserved;
__le32 AdditionalInformation;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__u8 Buffer[1];