4 * Copyright (c) International Business Machines Corp., 2009, 2013
6 * Author(s): Steve French (sfrench@us.ibm.com)
7 * Pavel Shilovsky (pshilovsky@samba.org) 2012
9 * This library is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU Lesser General Public License as published
11 * by the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
17 * the GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this library; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
30 * Note that, due to trying to use names similar to the protocol specifications,
31 * there are many mixed case field names in the structures below. Although
32 * this does not match typical Linux kernel style, it is necessary to be
33 * be able to match against the protocol specfication.
36 * Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
37 * (ie no useful data other than the SMB error code itself) and are marked such.
38 * Knowing this helps avoid response buffer allocations and copy in some cases.
41 /* List of commands in host endian */
42 #define SMB2_NEGOTIATE_HE 0x0000
43 #define SMB2_SESSION_SETUP_HE 0x0001
44 #define SMB2_LOGOFF_HE 0x0002 /* trivial request/resp */
45 #define SMB2_TREE_CONNECT_HE 0x0003
46 #define SMB2_TREE_DISCONNECT_HE 0x0004 /* trivial req/resp */
47 #define SMB2_CREATE_HE 0x0005
48 #define SMB2_CLOSE_HE 0x0006
49 #define SMB2_FLUSH_HE 0x0007 /* trivial resp */
50 #define SMB2_READ_HE 0x0008
51 #define SMB2_WRITE_HE 0x0009
52 #define SMB2_LOCK_HE 0x000A
53 #define SMB2_IOCTL_HE 0x000B
54 #define SMB2_CANCEL_HE 0x000C
55 #define SMB2_ECHO_HE 0x000D
56 #define SMB2_QUERY_DIRECTORY_HE 0x000E
57 #define SMB2_CHANGE_NOTIFY_HE 0x000F
58 #define SMB2_QUERY_INFO_HE 0x0010
59 #define SMB2_SET_INFO_HE 0x0011
60 #define SMB2_OPLOCK_BREAK_HE 0x0012
62 /* The same list in little endian */
63 #define SMB2_NEGOTIATE cpu_to_le16(SMB2_NEGOTIATE_HE)
64 #define SMB2_SESSION_SETUP cpu_to_le16(SMB2_SESSION_SETUP_HE)
65 #define SMB2_LOGOFF cpu_to_le16(SMB2_LOGOFF_HE)
66 #define SMB2_TREE_CONNECT cpu_to_le16(SMB2_TREE_CONNECT_HE)
67 #define SMB2_TREE_DISCONNECT cpu_to_le16(SMB2_TREE_DISCONNECT_HE)
68 #define SMB2_CREATE cpu_to_le16(SMB2_CREATE_HE)
69 #define SMB2_CLOSE cpu_to_le16(SMB2_CLOSE_HE)
70 #define SMB2_FLUSH cpu_to_le16(SMB2_FLUSH_HE)
71 #define SMB2_READ cpu_to_le16(SMB2_READ_HE)
72 #define SMB2_WRITE cpu_to_le16(SMB2_WRITE_HE)
73 #define SMB2_LOCK cpu_to_le16(SMB2_LOCK_HE)
74 #define SMB2_IOCTL cpu_to_le16(SMB2_IOCTL_HE)
75 #define SMB2_CANCEL cpu_to_le16(SMB2_CANCEL_HE)
76 #define SMB2_ECHO cpu_to_le16(SMB2_ECHO_HE)
77 #define SMB2_QUERY_DIRECTORY cpu_to_le16(SMB2_QUERY_DIRECTORY_HE)
78 #define SMB2_CHANGE_NOTIFY cpu_to_le16(SMB2_CHANGE_NOTIFY_HE)
79 #define SMB2_QUERY_INFO cpu_to_le16(SMB2_QUERY_INFO_HE)
80 #define SMB2_SET_INFO cpu_to_le16(SMB2_SET_INFO_HE)
81 #define SMB2_OPLOCK_BREAK cpu_to_le16(SMB2_OPLOCK_BREAK_HE)
83 #define SMB2_INTERNAL_CMD cpu_to_le16(0xFFFF)
85 #define NUMBER_OF_SMB2_COMMANDS 0x0013
87 /* 52 transform hdr + 64 hdr + 88 create rsp */
88 #define SMB2_TRANSFORM_HEADER_SIZE 52
89 #define MAX_SMB2_HDR_SIZE 204
91 #define SMB2_PROTO_NUMBER cpu_to_le32(0x424d53fe)
92 #define SMB2_TRANSFORM_PROTO_NUM cpu_to_le32(0x424d53fd)
95 * SMB2 Header Definition
97 * "MBZ" : Must be Zero
98 * "BB" : BugBug, Something to check/review/analyze later
99 * "PDU" : "Protocol Data Unit" (ie a network "frame")
103 #define SMB2_HEADER_STRUCTURE_SIZE cpu_to_le16(64)
105 struct smb2_sync_hdr {
106 __le32 ProtocolId; /* 0xFE 'S' 'M' 'B' */
107 __le16 StructureSize; /* 64 */
108 __le16 CreditCharge; /* MBZ */
109 __le32 Status; /* Error from server */
111 __le16 CreditRequest; /* CreditResponse */
116 __u32 TreeId; /* opaque - so do not make little endian */
117 __u64 SessionId; /* opaque - so do not make little endian */
121 struct smb2_sync_pdu {
122 struct smb2_sync_hdr sync_hdr;
123 __le16 StructureSize2; /* size of wct area (varies, request specific) */
126 #define SMB3_AES128CCM_NONCE 11
127 #define SMB3_AES128GCM_NONCE 12
129 struct smb2_transform_hdr {
130 __le32 ProtocolId; /* 0xFD 'S' 'M' 'B' */
133 __le32 OriginalMessageSize;
135 __le16 Flags; /* EncryptionAlgorithm */
140 * SMB2 flag definitions
142 #define SMB2_FLAGS_SERVER_TO_REDIR cpu_to_le32(0x00000001)
143 #define SMB2_FLAGS_ASYNC_COMMAND cpu_to_le32(0x00000002)
144 #define SMB2_FLAGS_RELATED_OPERATIONS cpu_to_le32(0x00000004)
145 #define SMB2_FLAGS_SIGNED cpu_to_le32(0x00000008)
146 #define SMB2_FLAGS_PRIORITY_MASK cpu_to_le32(0x00000070) /* SMB3.1.1 */
147 #define SMB2_FLAGS_DFS_OPERATIONS cpu_to_le32(0x10000000)
148 #define SMB2_FLAGS_REPLAY_OPERATION cpu_to_le32(0x20000000) /* SMB3 & up */
151 * Definitions for SMB2 Protocol Data Units (network frames)
153 * See MS-SMB2.PDF specification for protocol details.
154 * The Naming convention is the lower case version of the SMB2
155 * command code name for the struct. Note that structures must be packed.
159 #define COMPOUND_FID 0xFFFFFFFFFFFFFFFFULL
161 #define SMB2_ERROR_STRUCTURE_SIZE2 cpu_to_le16(9)
163 struct smb2_err_rsp {
164 struct smb2_sync_hdr sync_hdr;
165 __le16 StructureSize;
166 __le16 Reserved; /* MBZ */
167 __le32 ByteCount; /* even if zero, at least one byte follows */
168 __u8 ErrorData[1]; /* variable length */
171 #define SYMLINK_ERROR_TAG 0x4c4d5953
173 struct smb2_symlink_err_rsp {
174 __le32 SymLinkLength;
175 __le32 SymLinkErrorTag;
177 __le16 ReparseDataLength;
178 __le16 UnparsedPathLength;
179 __le16 SubstituteNameOffset;
180 __le16 SubstituteNameLength;
181 __le16 PrintNameOffset;
182 __le16 PrintNameLength;
187 /* SMB 3.1.1 and later dialects. See MS-SMB2 section 2.2.2.1 */
188 struct smb2_error_context_rsp {
189 __le32 ErrorDataLength;
191 __u8 ErrorContextData; /* ErrorDataLength long array */
194 /* Defines for Type field below (see MS-SMB2 2.2.2.2.2.1) */
195 #define MOVE_DST_IPADDR_V4 cpu_to_le32(0x00000001)
196 #define MOVE_DST_IPADDR_V6 cpu_to_le32(0x00000002)
198 struct move_dst_ipaddr {
201 __u8 address[16]; /* IPv4 followed by 12 bytes rsvd or IPv6 address */
204 struct share_redirect_error_context_rsp {
205 __le32 StructureSize;
206 __le32 NotificationType;
207 __le32 ResourceNameOffset;
208 __le32 ResourceNameLength;
212 struct move_dst_ipaddr IpAddrMoveList[0];
213 /* __u8 ResourceName[] */ /* Name of share as counted Unicode string */
216 #define SMB2_CLIENT_GUID_SIZE 16
218 struct smb2_negotiate_req {
219 struct smb2_sync_hdr sync_hdr;
220 __le16 StructureSize; /* Must be 36 */
223 __le16 Reserved; /* MBZ */
225 __u8 ClientGUID[SMB2_CLIENT_GUID_SIZE];
226 /* In SMB3.02 and earlier next three were MBZ le64 ClientStartTime */
227 __le32 NegotiateContextOffset; /* SMB3.1.1 only. MBZ earlier */
228 __le16 NegotiateContextCount; /* SMB3.1.1 only. MBZ earlier */
230 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
234 #define SMB10_PROT_ID 0x0000 /* local only, not sent on wire w/CIFS negprot */
235 #define SMB20_PROT_ID 0x0202
236 #define SMB21_PROT_ID 0x0210
237 #define SMB30_PROT_ID 0x0300
238 #define SMB302_PROT_ID 0x0302
239 #define SMB311_PROT_ID 0x0311
240 #define BAD_PROT_ID 0xFFFF
242 /* SecurityMode flags */
243 #define SMB2_NEGOTIATE_SIGNING_ENABLED 0x0001
244 #define SMB2_NEGOTIATE_SIGNING_REQUIRED 0x0002
245 #define SMB2_SEC_MODE_FLAGS_ALL 0x0003
247 /* Capabilities flags */
248 #define SMB2_GLOBAL_CAP_DFS 0x00000001
249 #define SMB2_GLOBAL_CAP_LEASING 0x00000002 /* Resp only New to SMB2.1 */
250 #define SMB2_GLOBAL_CAP_LARGE_MTU 0X00000004 /* Resp only New to SMB2.1 */
251 #define SMB2_GLOBAL_CAP_MULTI_CHANNEL 0x00000008 /* New to SMB3 */
252 #define SMB2_GLOBAL_CAP_PERSISTENT_HANDLES 0x00000010 /* New to SMB3 */
253 #define SMB2_GLOBAL_CAP_DIRECTORY_LEASING 0x00000020 /* New to SMB3 */
254 #define SMB2_GLOBAL_CAP_ENCRYPTION 0x00000040 /* New to SMB3 */
256 #define SMB2_NT_FIND 0x00100000
257 #define SMB2_LARGE_FILES 0x00200000
260 /* Negotiate Contexts - ContextTypes. See MS-SMB2 section 2.2.3.1 for details */
261 #define SMB2_PREAUTH_INTEGRITY_CAPABILITIES cpu_to_le16(1)
262 #define SMB2_ENCRYPTION_CAPABILITIES cpu_to_le16(2)
263 #define SMB2_COMPRESSION_CAPABILITIES cpu_to_le16(3)
264 #define SMB2_NETNAME_NEGOTIATE_CONTEXT_ID cpu_to_le16(5)
265 #define SMB2_POSIX_EXTENSIONS_AVAILABLE cpu_to_le16(0x100)
267 struct smb2_neg_context {
271 /* Followed by array of data */
274 #define SMB311_LINUX_CLIENT_SALT_SIZE 32
275 /* Hash Algorithm Types */
276 #define SMB2_PREAUTH_INTEGRITY_SHA512 cpu_to_le16(0x0001)
277 #define SMB2_PREAUTH_HASH_SIZE 64
280 * SaltLength that the server send can be zero, so the only three required
281 * fields (all __le16) end up six bytes total, so the minimum context data len
282 * in the response is six bytes which accounts for
284 * HashAlgorithmCount, SaltLength, and 1 HashAlgorithm.
286 #define MIN_PREAUTH_CTXT_DATA_LEN 6
288 struct smb2_preauth_neg_context {
289 __le16 ContextType; /* 1 */
292 __le16 HashAlgorithmCount; /* 1 */
294 __le16 HashAlgorithms; /* HashAlgorithms[0] since only one defined */
295 __u8 Salt[SMB311_LINUX_CLIENT_SALT_SIZE];
298 /* Encryption Algorithms Ciphers */
299 #define SMB2_ENCRYPTION_AES128_CCM cpu_to_le16(0x0001)
300 #define SMB2_ENCRYPTION_AES128_GCM cpu_to_le16(0x0002)
302 /* Min encrypt context data is one cipher so 2 bytes + 2 byte count field */
303 #define MIN_ENCRYPT_CTXT_DATA_LEN 4
304 struct smb2_encryption_neg_context {
305 __le16 ContextType; /* 2 */
308 __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */
312 /* See MS-SMB2 2.2.3.1.3 */
313 #define SMB3_COMPRESS_NONE cpu_to_le16(0x0000)
314 #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001)
315 #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002)
316 #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003)
318 struct smb2_compression_capabilities_context {
319 __le16 ContextType; /* 3 */
322 __le16 CompressionAlgorithmCount;
325 __le16 CompressionAlgorithms[3];
329 * For smb2_netname_negotiate_context_id See MS-SMB2 2.2.3.1.4.
330 * Its struct simply contains NetName, an array of Unicode characters
332 struct smb2_netname_neg_context {
333 __le16 ContextType; /* 0x100 */
336 __le16 NetName[0]; /* hostname of target converted to UCS-2 */
339 #define POSIX_CTXT_DATA_LEN 16
340 struct smb2_posix_neg_context {
341 __le16 ContextType; /* 0x100 */
344 __u8 Name[16]; /* POSIX ctxt GUID 93AD25509CB411E7B42383DE968BCD7C */
347 struct smb2_negotiate_rsp {
348 struct smb2_sync_hdr sync_hdr;
349 __le16 StructureSize; /* Must be 65 */
351 __le16 DialectRevision;
352 __le16 NegotiateContextCount; /* Prior to SMB3.1.1 was Reserved & MBZ */
355 __le32 MaxTransactSize;
358 __le64 SystemTime; /* MBZ */
359 __le64 ServerStartTime;
360 __le16 SecurityBufferOffset;
361 __le16 SecurityBufferLength;
362 __le32 NegotiateContextOffset; /* Pre:SMB3.1.1 was reserved/ignored */
363 __u8 Buffer[1]; /* variable length GSS security buffer */
367 #define SMB2_SESSION_REQ_FLAG_BINDING 0x01
368 #define SMB2_SESSION_REQ_FLAG_ENCRYPT_DATA 0x04
370 struct smb2_sess_setup_req {
371 struct smb2_sync_hdr sync_hdr;
372 __le16 StructureSize; /* Must be 25 */
377 __le16 SecurityBufferOffset;
378 __le16 SecurityBufferLength;
379 __u64 PreviousSessionId;
380 __u8 Buffer[1]; /* variable length GSS security buffer */
383 /* Currently defined SessionFlags */
384 #define SMB2_SESSION_FLAG_IS_GUEST 0x0001
385 #define SMB2_SESSION_FLAG_IS_NULL 0x0002
386 #define SMB2_SESSION_FLAG_ENCRYPT_DATA 0x0004
387 struct smb2_sess_setup_rsp {
388 struct smb2_sync_hdr sync_hdr;
389 __le16 StructureSize; /* Must be 9 */
391 __le16 SecurityBufferOffset;
392 __le16 SecurityBufferLength;
393 __u8 Buffer[1]; /* variable length GSS security buffer */
396 struct smb2_logoff_req {
397 struct smb2_sync_hdr sync_hdr;
398 __le16 StructureSize; /* Must be 4 */
402 struct smb2_logoff_rsp {
403 struct smb2_sync_hdr sync_hdr;
404 __le16 StructureSize; /* Must be 4 */
408 /* Flags/Reserved for SMB3.1.1 */
409 #define SMB2_TREE_CONNECT_FLAG_CLUSTER_RECONNECT cpu_to_le16(0x0001)
410 #define SMB2_TREE_CONNECT_FLAG_REDIRECT_TO_OWNER cpu_to_le16(0x0002)
411 #define SMB2_TREE_CONNECT_FLAG_EXTENSION_PRESENT cpu_to_le16(0x0004)
413 struct smb2_tree_connect_req {
414 struct smb2_sync_hdr sync_hdr;
415 __le16 StructureSize; /* Must be 9 */
416 __le16 Reserved; /* Flags in SMB3.1.1 */
419 __u8 Buffer[1]; /* variable length */
422 /* See MS-SMB2 section 2.2.9.2 */
424 #define SMB2_RESERVED_TREE_CONNECT_CONTEXT_ID 0x0000
425 #define SMB2_REMOTED_IDENTITY_TREE_CONNECT_CONTEXT_ID cpu_to_le16(0x0001)
427 struct tree_connect_contexts {
434 /* Remoted identity tree connect context structures - see MS-SMB2 2.2.9.2.1 */
435 struct smb3_blob_data {
440 /* Valid values for Attr */
441 #define SE_GROUP_MANDATORY 0x00000001
442 #define SE_GROUP_ENABLED_BY_DEFAULT 0x00000002
443 #define SE_GROUP_ENABLED 0x00000004
444 #define SE_GROUP_OWNER 0x00000008
445 #define SE_GROUP_USE_FOR_DENY_ONLY 0x00000010
446 #define SE_GROUP_INTEGRITY 0x00000020
447 #define SE_GROUP_INTEGRITY_ENABLED 0x00000040
448 #define SE_GROUP_RESOURCE 0x20000000
449 #define SE_GROUP_LOGON_ID 0xC0000000
451 /* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
453 struct sid_array_data {
455 /* SidAttrList - array of sid_attr_data structs */
458 struct luid_attr_data {
463 * struct privilege_data is the same as BLOB_DATA - see MS-SMB2 2.2.9.2.1.5
464 * but with size of LUID_ATTR_DATA struct and BlobData set to LUID_ATTR DATA
467 struct privilege_array_data {
468 __le16 PrivilegeCount;
469 /* array of privilege_data structs */
472 struct remoted_identity_tcon_context {
473 __le16 TicketType; /* must be 0x0001 */
474 __le16 TicketSize; /* total size of this struct */
475 __le16 User; /* offset to SID_ATTR_DATA struct with user info */
476 __le16 UserName; /* offset to null terminated Unicode username string */
477 __le16 Domain; /* offset to null terminated Unicode domain name */
478 __le16 Groups; /* offset to SID_ARRAY_DATA struct with group info */
479 __le16 RestrictedGroups; /* similar to above */
480 __le16 Privileges; /* offset to PRIVILEGE_ARRAY_DATA struct */
481 __le16 PrimaryGroup; /* offset to SID_ARRAY_DATA struct */
482 __le16 Owner; /* offset to BLOB_DATA struct */
483 __le16 DefaultDacl; /* offset to BLOB_DATA struct */
484 __le16 DeviceGroups; /* offset to SID_ARRAY_DATA struct */
485 __le16 UserClaims; /* offset to BLOB_DATA struct */
486 __le16 DeviceClaims; /* offset to BLOB_DATA struct */
487 __u8 TicketInfo[0]; /* variable length buf - remoted identity data */
490 struct smb2_tree_connect_req_extension {
491 __le32 TreeConnectContextOffset;
492 __le16 TreeConnectContextCount;
494 __u8 PathName[0]; /* variable sized array */
495 /* followed by array of TreeConnectContexts */
498 struct smb2_tree_connect_rsp {
499 struct smb2_sync_hdr sync_hdr;
500 __le16 StructureSize; /* Must be 16 */
501 __u8 ShareType; /* see below */
503 __le32 ShareFlags; /* see below */
504 __le32 Capabilities; /* see below */
505 __le32 MaximalAccess;
508 /* Possible ShareType values */
509 #define SMB2_SHARE_TYPE_DISK 0x01
510 #define SMB2_SHARE_TYPE_PIPE 0x02
511 #define SMB2_SHARE_TYPE_PRINT 0x03
514 * Possible ShareFlags - exactly one and only one of the first 4 caching flags
515 * must be set (any of the remaining, SHI1005, flags may be set individually
518 #define SMB2_SHAREFLAG_MANUAL_CACHING 0x00000000
519 #define SMB2_SHAREFLAG_AUTO_CACHING 0x00000010
520 #define SMB2_SHAREFLAG_VDO_CACHING 0x00000020
521 #define SMB2_SHAREFLAG_NO_CACHING 0x00000030
522 #define SHI1005_FLAGS_DFS 0x00000001
523 #define SHI1005_FLAGS_DFS_ROOT 0x00000002
524 #define SHI1005_FLAGS_RESTRICT_EXCLUSIVE_OPENS 0x00000100
525 #define SHI1005_FLAGS_FORCE_SHARED_DELETE 0x00000200
526 #define SHI1005_FLAGS_ALLOW_NAMESPACE_CACHING 0x00000400
527 #define SHI1005_FLAGS_ACCESS_BASED_DIRECTORY_ENUM 0x00000800
528 #define SHI1005_FLAGS_FORCE_LEVELII_OPLOCK 0x00001000
529 #define SHI1005_FLAGS_ENABLE_HASH_V1 0x00002000
530 #define SHI1005_FLAGS_ENABLE_HASH_V2 0x00004000
531 #define SHI1005_FLAGS_ENCRYPT_DATA 0x00008000
532 #define SMB2_SHAREFLAG_IDENTITY_REMOTING 0x00040000 /* 3.1.1 */
533 #define SHI1005_FLAGS_ALL 0x0004FF33
535 /* Possible share capabilities */
536 #define SMB2_SHARE_CAP_DFS cpu_to_le32(0x00000008) /* all dialects */
537 #define SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY cpu_to_le32(0x00000010) /* 3.0 */
538 #define SMB2_SHARE_CAP_SCALEOUT cpu_to_le32(0x00000020) /* 3.0 */
539 #define SMB2_SHARE_CAP_CLUSTER cpu_to_le32(0x00000040) /* 3.0 */
540 #define SMB2_SHARE_CAP_ASYMMETRIC cpu_to_le32(0x00000080) /* 3.02 */
541 #define SMB2_SHARE_CAP_REDIRECT_TO_OWNER cpu_to_le32(0x00000100) /* 3.1.1 */
543 struct smb2_tree_disconnect_req {
544 struct smb2_sync_hdr sync_hdr;
545 __le16 StructureSize; /* Must be 4 */
549 struct smb2_tree_disconnect_rsp {
550 struct smb2_sync_hdr sync_hdr;
551 __le16 StructureSize; /* Must be 4 */
555 /* File Attrubutes */
556 #define FILE_ATTRIBUTE_READONLY 0x00000001
557 #define FILE_ATTRIBUTE_HIDDEN 0x00000002
558 #define FILE_ATTRIBUTE_SYSTEM 0x00000004
559 #define FILE_ATTRIBUTE_DIRECTORY 0x00000010
560 #define FILE_ATTRIBUTE_ARCHIVE 0x00000020
561 #define FILE_ATTRIBUTE_NORMAL 0x00000080
562 #define FILE_ATTRIBUTE_TEMPORARY 0x00000100
563 #define FILE_ATTRIBUTE_SPARSE_FILE 0x00000200
564 #define FILE_ATTRIBUTE_REPARSE_POINT 0x00000400
565 #define FILE_ATTRIBUTE_COMPRESSED 0x00000800
566 #define FILE_ATTRIBUTE_OFFLINE 0x00001000
567 #define FILE_ATTRIBUTE_NOT_CONTENT_INDEXED 0x00002000
568 #define FILE_ATTRIBUTE_ENCRYPTED 0x00004000
569 #define FILE_ATTRIBUTE_INTEGRITY_STREAM 0x00008000
570 #define FILE_ATTRIBUTE_NO_SCRUB_DATA 0x00020000
573 #define SMB2_OPLOCK_LEVEL_NONE 0x00
574 #define SMB2_OPLOCK_LEVEL_II 0x01
575 #define SMB2_OPLOCK_LEVEL_EXCLUSIVE 0x08
576 #define SMB2_OPLOCK_LEVEL_BATCH 0x09
577 #define SMB2_OPLOCK_LEVEL_LEASE 0xFF
578 /* Non-spec internal type */
579 #define SMB2_OPLOCK_LEVEL_NOCHANGE 0x99
581 /* Desired Access Flags */
582 #define FILE_READ_DATA_LE cpu_to_le32(0x00000001)
583 #define FILE_WRITE_DATA_LE cpu_to_le32(0x00000002)
584 #define FILE_APPEND_DATA_LE cpu_to_le32(0x00000004)
585 #define FILE_READ_EA_LE cpu_to_le32(0x00000008)
586 #define FILE_WRITE_EA_LE cpu_to_le32(0x00000010)
587 #define FILE_EXECUTE_LE cpu_to_le32(0x00000020)
588 #define FILE_READ_ATTRIBUTES_LE cpu_to_le32(0x00000080)
589 #define FILE_WRITE_ATTRIBUTES_LE cpu_to_le32(0x00000100)
590 #define FILE_DELETE_LE cpu_to_le32(0x00010000)
591 #define FILE_READ_CONTROL_LE cpu_to_le32(0x00020000)
592 #define FILE_WRITE_DAC_LE cpu_to_le32(0x00040000)
593 #define FILE_WRITE_OWNER_LE cpu_to_le32(0x00080000)
594 #define FILE_SYNCHRONIZE_LE cpu_to_le32(0x00100000)
595 #define FILE_ACCESS_SYSTEM_SECURITY_LE cpu_to_le32(0x01000000)
596 #define FILE_MAXIMAL_ACCESS_LE cpu_to_le32(0x02000000)
597 #define FILE_GENERIC_ALL_LE cpu_to_le32(0x10000000)
598 #define FILE_GENERIC_EXECUTE_LE cpu_to_le32(0x20000000)
599 #define FILE_GENERIC_WRITE_LE cpu_to_le32(0x40000000)
600 #define FILE_GENERIC_READ_LE cpu_to_le32(0x80000000)
602 /* ShareAccess Flags */
603 #define FILE_SHARE_READ_LE cpu_to_le32(0x00000001)
604 #define FILE_SHARE_WRITE_LE cpu_to_le32(0x00000002)
605 #define FILE_SHARE_DELETE_LE cpu_to_le32(0x00000004)
606 #define FILE_SHARE_ALL_LE cpu_to_le32(0x00000007)
608 /* CreateDisposition Flags */
609 #define FILE_SUPERSEDE_LE cpu_to_le32(0x00000000)
610 #define FILE_OPEN_LE cpu_to_le32(0x00000001)
611 #define FILE_CREATE_LE cpu_to_le32(0x00000002)
612 #define FILE_OPEN_IF_LE cpu_to_le32(0x00000003)
613 #define FILE_OVERWRITE_LE cpu_to_le32(0x00000004)
614 #define FILE_OVERWRITE_IF_LE cpu_to_le32(0x00000005)
616 /* CreateOptions Flags */
617 #define FILE_DIRECTORY_FILE_LE cpu_to_le32(0x00000001)
618 /* same as #define CREATE_NOT_FILE_LE cpu_to_le32(0x00000001) */
619 #define FILE_WRITE_THROUGH_LE cpu_to_le32(0x00000002)
620 #define FILE_SEQUENTIAL_ONLY_LE cpu_to_le32(0x00000004)
621 #define FILE_NO_INTERMEDIATE_BUFFERRING_LE cpu_to_le32(0x00000008)
622 #define FILE_SYNCHRONOUS_IO_ALERT_LE cpu_to_le32(0x00000010)
623 #define FILE_SYNCHRONOUS_IO_NON_ALERT_LE cpu_to_le32(0x00000020)
624 #define FILE_NON_DIRECTORY_FILE_LE cpu_to_le32(0x00000040)
625 #define FILE_COMPLETE_IF_OPLOCKED_LE cpu_to_le32(0x00000100)
626 #define FILE_NO_EA_KNOWLEDGE_LE cpu_to_le32(0x00000200)
627 #define FILE_RANDOM_ACCESS_LE cpu_to_le32(0x00000800)
628 #define FILE_DELETE_ON_CLOSE_LE cpu_to_le32(0x00001000)
629 #define FILE_OPEN_BY_FILE_ID_LE cpu_to_le32(0x00002000)
630 #define FILE_OPEN_FOR_BACKUP_INTENT_LE cpu_to_le32(0x00004000)
631 #define FILE_NO_COMPRESSION_LE cpu_to_le32(0x00008000)
632 #define FILE_RESERVE_OPFILTER_LE cpu_to_le32(0x00100000)
633 #define FILE_OPEN_REPARSE_POINT_LE cpu_to_le32(0x00200000)
634 #define FILE_OPEN_NO_RECALL_LE cpu_to_le32(0x00400000)
635 #define FILE_OPEN_FOR_FREE_SPACE_QUERY_LE cpu_to_le32(0x00800000)
637 #define FILE_READ_RIGHTS_LE (FILE_READ_DATA_LE | FILE_READ_EA_LE \
638 | FILE_READ_ATTRIBUTES_LE)
639 #define FILE_WRITE_RIGHTS_LE (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE \
640 | FILE_WRITE_EA_LE | FILE_WRITE_ATTRIBUTES_LE)
641 #define FILE_EXEC_RIGHTS_LE (FILE_EXECUTE_LE)
643 /* Impersonation Levels */
644 #define IL_ANONYMOUS cpu_to_le32(0x00000000)
645 #define IL_IDENTIFICATION cpu_to_le32(0x00000001)
646 #define IL_IMPERSONATION cpu_to_le32(0x00000002)
647 #define IL_DELEGATE cpu_to_le32(0x00000003)
649 /* Create Context Values */
650 #define SMB2_CREATE_EA_BUFFER "ExtA" /* extended attributes */
651 #define SMB2_CREATE_SD_BUFFER "SecD" /* security descriptor */
652 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST "DHnQ"
653 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT "DHnC"
654 #define SMB2_CREATE_ALLOCATION_SIZE "AISi"
655 #define SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST "MxAc"
656 #define SMB2_CREATE_TIMEWARP_REQUEST "TWrp"
657 #define SMB2_CREATE_QUERY_ON_DISK_ID "QFid"
658 #define SMB2_CREATE_REQUEST_LEASE "RqLs"
659 #define SMB2_CREATE_DURABLE_HANDLE_REQUEST_V2 "DH2Q"
660 #define SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 "DH2C"
661 #define SMB2_CREATE_APP_INSTANCE_ID 0x45BCA66AEFA7F74A9008FA462E144D74
662 #define SMB2_CREATE_APP_INSTANCE_VERSION 0xB982D0B73B56074FA07B524A8116A010
663 #define SVHDX_OPEN_DEVICE_CONTEX 0x9CCBCF9E04C1E643980E158DA1F6EC83
664 #define SMB2_CREATE_TAG_POSIX 0x93AD25509CB411E7B42383DE968BCD7C
666 /* Flag (SMB3 open response) values */
667 #define SMB2_CREATE_FLAG_REPARSEPOINT 0x01
670 * Maximum number of iovs we need for an open/create request.
671 * [0] : struct smb2_create_req
673 * [2] : lease context
674 * [3] : durable context
675 * [4] : posix context
676 * [5] : time warp context
677 * [6] : query id context
678 * [7] : compound padding
680 #define SMB2_CREATE_IOV_SIZE 8
682 struct smb2_create_req {
683 struct smb2_sync_hdr sync_hdr;
684 __le16 StructureSize; /* Must be 57 */
686 __u8 RequestedOplockLevel;
687 __le32 ImpersonationLevel;
688 __le64 SmbCreateFlags;
690 __le32 DesiredAccess;
691 __le32 FileAttributes;
693 __le32 CreateDisposition;
694 __le32 CreateOptions;
697 __le32 CreateContextsOffset;
698 __le32 CreateContextsLength;
703 * Maximum size of a SMB2_CREATE response is 64 (smb2 header) +
704 * 88 (fixed part of create response) + 520 (path) + 208 (contexts) +
705 * 2 bytes of padding.
707 #define MAX_SMB2_CREATE_RESPONSE_SIZE 880
709 struct smb2_create_rsp {
710 struct smb2_sync_hdr sync_hdr;
711 __le16 StructureSize; /* Must be 89 */
713 __u8 Flag; /* 0x01 if reparse point */
716 __le64 LastAccessTime;
717 __le64 LastWriteTime;
719 __le64 AllocationSize;
721 __le32 FileAttributes;
723 __u64 PersistentFileId; /* opaque endianness */
724 __u64 VolatileFileId; /* opaque endianness */
725 __le32 CreateContextsOffset;
726 __le32 CreateContextsLength;
730 struct create_context {
740 #define SMB2_LEASE_READ_CACHING_HE 0x01
741 #define SMB2_LEASE_HANDLE_CACHING_HE 0x02
742 #define SMB2_LEASE_WRITE_CACHING_HE 0x04
744 #define SMB2_LEASE_NONE cpu_to_le32(0x00)
745 #define SMB2_LEASE_READ_CACHING cpu_to_le32(0x01)
746 #define SMB2_LEASE_HANDLE_CACHING cpu_to_le32(0x02)
747 #define SMB2_LEASE_WRITE_CACHING cpu_to_le32(0x04)
749 #define SMB2_LEASE_FLAG_BREAK_IN_PROGRESS cpu_to_le32(0x02)
750 #define SMB2_LEASE_FLAG_PARENT_LEASE_KEY_SET cpu_to_le32(0x00000004)
752 #define SMB2_LEASE_KEY_SIZE 16
754 struct lease_context {
755 u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
758 __le64 LeaseDuration;
761 struct lease_context_v2 {
762 u8 LeaseKey[SMB2_LEASE_KEY_SIZE];
765 __le64 LeaseDuration;
766 __le64 ParentLeaseKeyLow;
767 __le64 ParentLeaseKeyHigh;
772 struct create_lease {
773 struct create_context ccontext;
775 struct lease_context lcontext;
778 struct create_lease_v2 {
779 struct create_context ccontext;
781 struct lease_context_v2 lcontext;
785 struct create_durable {
786 struct create_context ccontext;
791 __u64 PersistentFileId;
792 __u64 VolatileFileId;
797 struct create_posix {
798 struct create_context ccontext;
804 /* See MS-SMB2 2.2.13.2.11 */
806 #define SMB2_DHANDLE_FLAG_PERSISTENT 0x00000002
807 struct durable_context_v2 {
814 struct create_durable_v2 {
815 struct create_context ccontext;
817 struct durable_context_v2 dcontext;
820 /* See MS-SMB2 2.2.13.2.12 */
821 struct durable_reconnect_context_v2 {
823 __u64 PersistentFileId;
824 __u64 VolatileFileId;
827 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
830 /* See MS-SMB2 2.2.14.2.9 */
831 struct create_on_disk_id {
832 struct create_context ccontext;
839 /* See MS-SMB2 2.2.14.2.12 */
840 struct durable_reconnect_context_v2_rsp {
842 __le32 Flags; /* see above DHANDLE_FLAG_PERSISTENT */
845 struct create_durable_handle_reconnect_v2 {
846 struct create_context ccontext;
848 struct durable_reconnect_context_v2 dcontext;
852 /* See MS-SMB2 2.2.13.2.5 */
853 struct crt_twarp_ctxt {
854 struct create_context ccontext;
860 /* See MS-SMB2 2.2.13.2.9 */
861 struct crt_query_id_ctxt {
862 struct create_context ccontext;
866 #define COPY_CHUNK_RES_KEY_SIZE 24
867 struct resume_key_req {
868 char ResumeKey[COPY_CHUNK_RES_KEY_SIZE];
869 __le32 ContextLength; /* MBZ */
870 char Context[0]; /* ignored, Windows sets to 4 bytes of zero */
873 /* this goes in the ioctl buffer when doing a copychunk request */
874 struct copychunk_ioctl {
875 char SourceKey[COPY_CHUNK_RES_KEY_SIZE];
876 __le32 ChunkCount; /* we are only sending 1 */
878 /* array will only be one chunk long for us */
881 __le32 Length; /* how many bytes to copy */
885 /* this goes in the ioctl buffer when doing FSCTL_SET_ZERO_DATA */
886 struct file_zero_data_information {
888 __le64 BeyondFinalZero;
891 struct copychunk_ioctl_rsp {
892 __le32 ChunksWritten;
893 __le32 ChunkBytesWritten;
894 __le32 TotalBytesWritten;
897 struct fsctl_set_integrity_information_req {
898 __le16 ChecksumAlgorithm;
903 struct fsctl_get_integrity_information_rsp {
904 __le16 ChecksumAlgorithm;
907 __le32 ChecksumChunkSizeInBytes;
908 __le32 ClusterSizeInBytes;
911 struct file_allocated_range_buffer {
916 /* Integrity ChecksumAlgorithm choices for above */
917 #define CHECKSUM_TYPE_NONE 0x0000
918 #define CHECKSUM_TYPE_CRC64 0x0002
919 #define CHECKSUM_TYPE_UNCHANGED 0xFFFF /* set only */
921 /* Integrity flags for above */
922 #define FSCTL_INTEGRITY_FLAG_CHECKSUM_ENFORCEMENT_OFF 0x00000001
924 /* Reparse structures - see MS-FSCC 2.1.2 */
926 /* struct fsctl_reparse_info_req is empty, only response structs (see below) */
928 struct reparse_data_buffer {
930 __le16 ReparseDataLength;
932 __u8 DataBuffer[0]; /* Variable Length */
935 struct reparse_guid_data_buffer {
937 __le16 ReparseDataLength;
939 __u8 ReparseGuid[16];
940 __u8 DataBuffer[0]; /* Variable Length */
943 struct reparse_mount_point_data_buffer {
945 __le16 ReparseDataLength;
947 __le16 SubstituteNameOffset;
948 __le16 SubstituteNameLength;
949 __le16 PrintNameOffset;
950 __le16 PrintNameLength;
951 __u8 PathBuffer[0]; /* Variable Length */
954 #define SYMLINK_FLAG_RELATIVE 0x00000001
956 struct reparse_symlink_data_buffer {
958 __le16 ReparseDataLength;
960 __le16 SubstituteNameOffset;
961 __le16 SubstituteNameLength;
962 __le16 PrintNameOffset;
963 __le16 PrintNameLength;
965 __u8 PathBuffer[0]; /* Variable Length */
968 /* See MS-FSCC 2.1.2.6 and cifspdu.h for struct reparse_posix_data */
971 /* See MS-DFSC 2.2.2 */
972 struct fsctl_get_dfs_referral_req {
973 __le16 MaxReferralLevel;
974 __u8 RequestFileName[];
977 /* DFS response is struct get_dfs_refer_rsp */
979 /* See MS-SMB2 2.2.31.3 */
980 struct network_resiliency_req {
984 /* There is no buffer for the response ie no struct network_resiliency_rsp */
987 struct validate_negotiate_info_req {
989 __u8 Guid[SMB2_CLIENT_GUID_SIZE];
992 __le16 Dialects[4]; /* BB expand this if autonegotiate > 4 dialects */
995 struct validate_negotiate_info_rsp {
997 __u8 Guid[SMB2_CLIENT_GUID_SIZE];
999 __le16 Dialect; /* Dialect in use for the connection */
1002 #define RSS_CAPABLE cpu_to_le32(0x00000001)
1003 #define RDMA_CAPABLE cpu_to_le32(0x00000002)
1005 #define INTERNETWORK cpu_to_le16(0x0002)
1006 #define INTERNETWORKV6 cpu_to_le16(0x0017)
1008 struct network_interface_info_ioctl_rsp {
1009 __le32 Next; /* next interface. zero if this is last one */
1011 __le32 Capability; /* RSS or RDMA Capable */
1018 struct iface_info_ipv4 {
1024 struct iface_info_ipv6 {
1027 __u8 IPv6Address[16];
1031 #define NO_FILE_ID 0xFFFFFFFFFFFFFFFFULL /* general ioctls to srv not to file */
1033 struct compress_ioctl {
1034 __le16 CompressionState; /* See cifspdu.h for possible flag values */
1037 struct duplicate_extents_to_file {
1038 __u64 PersistentFileHandle; /* source file handle, opaque endianness */
1039 __u64 VolatileFileHandle;
1040 __le64 SourceFileOffset;
1041 __le64 TargetFileOffset;
1042 __le64 ByteCount; /* Bytes to be copied */
1046 * Maximum number of iovs we need for an ioctl request.
1047 * [0] : struct smb2_ioctl_req
1050 #define SMB2_IOCTL_IOV_SIZE 2
1052 struct smb2_ioctl_req {
1053 struct smb2_sync_hdr sync_hdr;
1054 __le16 StructureSize; /* Must be 57 */
1057 __u64 PersistentFileId; /* opaque endianness */
1058 __u64 VolatileFileId; /* opaque endianness */
1061 __le32 MaxInputResponse;
1062 __le32 OutputOffset;
1064 __le32 MaxOutputResponse;
1070 struct smb2_ioctl_rsp {
1071 struct smb2_sync_hdr sync_hdr;
1072 __le16 StructureSize; /* Must be 57 */
1075 __u64 PersistentFileId; /* opaque endianness */
1076 __u64 VolatileFileId; /* opaque endianness */
1079 __le32 OutputOffset;
1083 /* char * buffer[] */
1086 /* Currently defined values for close flags */
1087 #define SMB2_CLOSE_FLAG_POSTQUERY_ATTRIB cpu_to_le16(0x0001)
1088 struct smb2_close_req {
1089 struct smb2_sync_hdr sync_hdr;
1090 __le16 StructureSize; /* Must be 24 */
1093 __u64 PersistentFileId; /* opaque endianness */
1094 __u64 VolatileFileId; /* opaque endianness */
1098 * Maximum size of a SMB2_CLOSE response is 64 (smb2 header) + 60 (data)
1100 #define MAX_SMB2_CLOSE_RESPONSE_SIZE 124
1102 struct smb2_close_rsp {
1103 struct smb2_sync_hdr sync_hdr;
1104 __le16 StructureSize; /* 60 */
1107 __le64 CreationTime;
1108 __le64 LastAccessTime;
1109 __le64 LastWriteTime;
1111 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
1116 struct smb2_flush_req {
1117 struct smb2_sync_hdr sync_hdr;
1118 __le16 StructureSize; /* Must be 24 */
1121 __u64 PersistentFileId; /* opaque endianness */
1122 __u64 VolatileFileId; /* opaque endianness */
1125 struct smb2_flush_rsp {
1126 struct smb2_sync_hdr sync_hdr;
1127 __le16 StructureSize;
1131 /* For read request Flags field below, following flag is defined for SMB3.02 */
1132 #define SMB2_READFLAG_READ_UNBUFFERED 0x01
1133 #define SMB2_READFLAG_REQUEST_COMPRESSED 0x02 /* See MS-SMB2 2.2.19 */
1135 /* Channel field for read and write: exactly one of following flags can be set*/
1136 #define SMB2_CHANNEL_NONE cpu_to_le32(0x00000000)
1137 #define SMB2_CHANNEL_RDMA_V1 cpu_to_le32(0x00000001) /* SMB3 or later */
1138 #define SMB2_CHANNEL_RDMA_V1_INVALIDATE cpu_to_le32(0x00000002) /* >= SMB3.02 */
1140 /* SMB2 read request without RFC1001 length at the beginning */
1141 struct smb2_read_plain_req {
1142 struct smb2_sync_hdr sync_hdr;
1143 __le16 StructureSize; /* Must be 49 */
1144 __u8 Padding; /* offset from start of SMB2 header to place read */
1145 __u8 Flags; /* MBZ unless SMB3.02 or later */
1148 __u64 PersistentFileId; /* opaque endianness */
1149 __u64 VolatileFileId; /* opaque endianness */
1150 __le32 MinimumCount;
1151 __le32 Channel; /* MBZ except for SMB3 or later */
1152 __le32 RemainingBytes;
1153 __le16 ReadChannelInfoOffset;
1154 __le16 ReadChannelInfoLength;
1158 struct smb2_read_rsp {
1159 struct smb2_sync_hdr sync_hdr;
1160 __le16 StructureSize; /* Must be 17 */
1164 __le32 DataRemaining;
1169 /* For write request Flags field below the following flags are defined: */
1170 #define SMB2_WRITEFLAG_WRITE_THROUGH 0x00000001 /* SMB2.1 or later */
1171 #define SMB2_WRITEFLAG_WRITE_UNBUFFERED 0x00000002 /* SMB3.02 or later */
1173 struct smb2_write_req {
1174 struct smb2_sync_hdr sync_hdr;
1175 __le16 StructureSize; /* Must be 49 */
1176 __le16 DataOffset; /* offset from start of SMB2 header to write data */
1179 __u64 PersistentFileId; /* opaque endianness */
1180 __u64 VolatileFileId; /* opaque endianness */
1181 __le32 Channel; /* Reserved MBZ */
1182 __le32 RemainingBytes;
1183 __le16 WriteChannelInfoOffset;
1184 __le16 WriteChannelInfoLength;
1189 struct smb2_write_rsp {
1190 struct smb2_sync_hdr sync_hdr;
1191 __le16 StructureSize; /* Must be 17 */
1195 __le32 DataRemaining;
1201 #define SMB2_WATCH_TREE 0x0001
1203 /* notify completion filter flags. See MS-FSCC 2.6 and MS-SMB2 2.2.35 */
1204 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
1205 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
1206 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
1207 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008
1208 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
1209 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
1210 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040
1211 #define FILE_NOTIFY_CHANGE_EA 0x00000080
1212 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
1213 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
1214 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
1215 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1217 struct smb2_change_notify_req {
1218 struct smb2_sync_hdr sync_hdr;
1219 __le16 StructureSize;
1221 __le32 OutputBufferLength;
1222 __u64 PersistentFileId; /* opaque endianness */
1223 __u64 VolatileFileId; /* opaque endianness */
1224 __le32 CompletionFilter;
1228 struct smb2_change_notify_rsp {
1229 struct smb2_sync_hdr sync_hdr;
1230 __le16 StructureSize; /* Must be 9 */
1231 __le16 OutputBufferOffset;
1232 __le32 OutputBufferLength;
1233 __u8 Buffer[1]; /* array of file notify structs */
1236 #define SMB2_LOCKFLAG_SHARED_LOCK 0x0001
1237 #define SMB2_LOCKFLAG_EXCLUSIVE_LOCK 0x0002
1238 #define SMB2_LOCKFLAG_UNLOCK 0x0004
1239 #define SMB2_LOCKFLAG_FAIL_IMMEDIATELY 0x0010
1241 struct smb2_lock_element {
1248 struct smb2_lock_req {
1249 struct smb2_sync_hdr sync_hdr;
1250 __le16 StructureSize; /* Must be 48 */
1253 __u64 PersistentFileId; /* opaque endianness */
1254 __u64 VolatileFileId; /* opaque endianness */
1255 /* Followed by at least one */
1256 struct smb2_lock_element locks[1];
1259 struct smb2_lock_rsp {
1260 struct smb2_sync_hdr sync_hdr;
1261 __le16 StructureSize; /* Must be 4 */
1265 struct smb2_echo_req {
1266 struct smb2_sync_hdr sync_hdr;
1267 __le16 StructureSize; /* Must be 4 */
1271 struct smb2_echo_rsp {
1272 struct smb2_sync_hdr sync_hdr;
1273 __le16 StructureSize; /* Must be 4 */
1277 /* search (query_directory) Flags field */
1278 #define SMB2_RESTART_SCANS 0x01
1279 #define SMB2_RETURN_SINGLE_ENTRY 0x02
1280 #define SMB2_INDEX_SPECIFIED 0x04
1281 #define SMB2_REOPEN 0x10
1283 struct smb2_query_directory_req {
1284 struct smb2_sync_hdr sync_hdr;
1285 __le16 StructureSize; /* Must be 33 */
1286 __u8 FileInformationClass;
1289 __u64 PersistentFileId; /* opaque endianness */
1290 __u64 VolatileFileId; /* opaque endianness */
1291 __le16 FileNameOffset;
1292 __le16 FileNameLength;
1293 __le32 OutputBufferLength;
1297 struct smb2_query_directory_rsp {
1298 struct smb2_sync_hdr sync_hdr;
1299 __le16 StructureSize; /* Must be 9 */
1300 __le16 OutputBufferOffset;
1301 __le32 OutputBufferLength;
1305 /* Possible InfoType values */
1306 #define SMB2_O_INFO_FILE 0x01
1307 #define SMB2_O_INFO_FILESYSTEM 0x02
1308 #define SMB2_O_INFO_SECURITY 0x03
1309 #define SMB2_O_INFO_QUOTA 0x04
1311 /* Security info type additionalinfo flags. See MS-SMB2 (2.2.37) or MS-DTYP */
1312 #define OWNER_SECINFO 0x00000001
1313 #define GROUP_SECINFO 0x00000002
1314 #define DACL_SECINFO 0x00000004
1315 #define SACL_SECINFO 0x00000008
1316 #define LABEL_SECINFO 0x00000010
1317 #define ATTRIBUTE_SECINFO 0x00000020
1318 #define SCOPE_SECINFO 0x00000040
1319 #define BACKUP_SECINFO 0x00010000
1320 #define UNPROTECTED_SACL_SECINFO 0x10000000
1321 #define UNPROTECTED_DACL_SECINFO 0x20000000
1322 #define PROTECTED_SACL_SECINFO 0x40000000
1323 #define PROTECTED_DACL_SECINFO 0x80000000
1325 /* Flags used for FileFullEAinfo */
1326 #define SL_RESTART_SCAN 0x00000001
1327 #define SL_RETURN_SINGLE_ENTRY 0x00000002
1328 #define SL_INDEX_SPECIFIED 0x00000004
1330 struct smb2_query_info_req {
1331 struct smb2_sync_hdr sync_hdr;
1332 __le16 StructureSize; /* Must be 41 */
1335 __le32 OutputBufferLength;
1336 __le16 InputBufferOffset;
1338 __le32 InputBufferLength;
1339 __le32 AdditionalInformation;
1341 __u64 PersistentFileId; /* opaque endianness */
1342 __u64 VolatileFileId; /* opaque endianness */
1346 struct smb2_query_info_rsp {
1347 struct smb2_sync_hdr sync_hdr;
1348 __le16 StructureSize; /* Must be 9 */
1349 __le16 OutputBufferOffset;
1350 __le32 OutputBufferLength;
1355 * Maximum number of iovs we need for a set-info request.
1356 * The largest one is rename/hardlink
1357 * [0] : struct smb2_set_info_req + smb2_file_[rename|link]_info
1359 * [2] : compound padding
1361 #define SMB2_SET_INFO_IOV_SIZE 3
1363 struct smb2_set_info_req {
1364 struct smb2_sync_hdr sync_hdr;
1365 __le16 StructureSize; /* Must be 33 */
1368 __le32 BufferLength;
1369 __le16 BufferOffset;
1371 __le32 AdditionalInformation;
1372 __u64 PersistentFileId; /* opaque endianness */
1373 __u64 VolatileFileId; /* opaque endianness */
1377 struct smb2_set_info_rsp {
1378 struct smb2_sync_hdr sync_hdr;
1379 __le16 StructureSize; /* Must be 2 */
1382 struct smb2_oplock_break {
1383 struct smb2_sync_hdr sync_hdr;
1384 __le16 StructureSize; /* Must be 24 */
1388 __u64 PersistentFid;
1392 #define SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED cpu_to_le32(0x01)
1394 struct smb2_lease_break {
1395 struct smb2_sync_hdr sync_hdr;
1396 __le16 StructureSize; /* Must be 44 */
1400 __le32 CurrentLeaseState;
1401 __le32 NewLeaseState;
1403 __le32 AccessMaskHint;
1404 __le32 ShareMaskHint;
1407 struct smb2_lease_ack {
1408 struct smb2_sync_hdr sync_hdr;
1409 __le16 StructureSize; /* Must be 36 */
1414 __le64 LeaseDuration;
1418 * PDU infolevel structure definitions
1419 * BB consider moving to a different header
1422 /* File System Information Classes */
1423 #define FS_VOLUME_INFORMATION 1 /* Query */
1424 #define FS_LABEL_INFORMATION 2 /* Local only */
1425 #define FS_SIZE_INFORMATION 3 /* Query */
1426 #define FS_DEVICE_INFORMATION 4 /* Query */
1427 #define FS_ATTRIBUTE_INFORMATION 5 /* Query */
1428 #define FS_CONTROL_INFORMATION 6 /* Query, Set */
1429 #define FS_FULL_SIZE_INFORMATION 7 /* Query */
1430 #define FS_OBJECT_ID_INFORMATION 8 /* Query, Set */
1431 #define FS_DRIVER_PATH_INFORMATION 9 /* Local only */
1432 #define FS_VOLUME_FLAGS_INFORMATION 10 /* Local only */
1433 #define FS_SECTOR_SIZE_INFORMATION 11 /* SMB3 or later. Query */
1434 #define FS_POSIX_INFORMATION 100 /* SMB3.1.1 POSIX. Query */
1436 struct smb2_fs_full_size_info {
1437 __le64 TotalAllocationUnits;
1438 __le64 CallerAvailableAllocationUnits;
1439 __le64 ActualAvailableAllocationUnits;
1440 __le32 SectorsPerAllocationUnit;
1441 __le32 BytesPerSector;
1444 #define SSINFO_FLAGS_ALIGNED_DEVICE 0x00000001
1445 #define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
1446 #define SSINFO_FLAGS_NO_SEEK_PENALTY 0x00000004
1447 #define SSINFO_FLAGS_TRIM_ENABLED 0x00000008
1449 /* sector size info struct */
1450 struct smb3_fs_ss_info {
1451 __le32 LogicalBytesPerSector;
1452 __le32 PhysicalBytesPerSectorForAtomicity;
1453 __le32 PhysicalBytesPerSectorForPerf;
1454 __le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
1456 __le32 ByteOffsetForSectorAlignment;
1457 __le32 ByteOffsetForPartitionAlignment;
1460 /* volume info struct - see MS-FSCC 2.5.9 */
1461 #define MAX_VOL_LABEL_LEN 32
1462 struct smb3_fs_vol_info {
1463 __le64 VolumeCreationTime;
1464 __u32 VolumeSerialNumber;
1465 __le32 VolumeLabelLength; /* includes trailing null */
1466 __u8 SupportsObjects; /* True if eg like NTFS, supports objects */
1468 __u8 VolumeLabel[0]; /* variable len */
1471 /* partial list of QUERY INFO levels */
1472 #define FILE_DIRECTORY_INFORMATION 1
1473 #define FILE_FULL_DIRECTORY_INFORMATION 2
1474 #define FILE_BOTH_DIRECTORY_INFORMATION 3
1475 #define FILE_BASIC_INFORMATION 4
1476 #define FILE_STANDARD_INFORMATION 5
1477 #define FILE_INTERNAL_INFORMATION 6
1478 #define FILE_EA_INFORMATION 7
1479 #define FILE_ACCESS_INFORMATION 8
1480 #define FILE_NAME_INFORMATION 9
1481 #define FILE_RENAME_INFORMATION 10
1482 #define FILE_LINK_INFORMATION 11
1483 #define FILE_NAMES_INFORMATION 12
1484 #define FILE_DISPOSITION_INFORMATION 13
1485 #define FILE_POSITION_INFORMATION 14
1486 #define FILE_FULL_EA_INFORMATION 15
1487 #define FILE_MODE_INFORMATION 16
1488 #define FILE_ALIGNMENT_INFORMATION 17
1489 #define FILE_ALL_INFORMATION 18
1490 #define FILE_ALLOCATION_INFORMATION 19
1491 #define FILE_END_OF_FILE_INFORMATION 20
1492 #define FILE_ALTERNATE_NAME_INFORMATION 21
1493 #define FILE_STREAM_INFORMATION 22
1494 #define FILE_PIPE_INFORMATION 23
1495 #define FILE_PIPE_LOCAL_INFORMATION 24
1496 #define FILE_PIPE_REMOTE_INFORMATION 25
1497 #define FILE_MAILSLOT_QUERY_INFORMATION 26
1498 #define FILE_MAILSLOT_SET_INFORMATION 27
1499 #define FILE_COMPRESSION_INFORMATION 28
1500 #define FILE_OBJECT_ID_INFORMATION 29
1501 /* Number 30 not defined in documents */
1502 #define FILE_MOVE_CLUSTER_INFORMATION 31
1503 #define FILE_QUOTA_INFORMATION 32
1504 #define FILE_REPARSE_POINT_INFORMATION 33
1505 #define FILE_NETWORK_OPEN_INFORMATION 34
1506 #define FILE_ATTRIBUTE_TAG_INFORMATION 35
1507 #define FILE_TRACKING_INFORMATION 36
1508 #define FILEID_BOTH_DIRECTORY_INFORMATION 37
1509 #define FILEID_FULL_DIRECTORY_INFORMATION 38
1510 #define FILE_VALID_DATA_LENGTH_INFORMATION 39
1511 #define FILE_SHORT_NAME_INFORMATION 40
1512 #define FILE_SFIO_RESERVE_INFORMATION 44
1513 #define FILE_SFIO_VOLUME_INFORMATION 45
1514 #define FILE_HARD_LINK_INFORMATION 46
1515 #define FILE_NORMALIZED_NAME_INFORMATION 48
1516 #define FILEID_GLOBAL_TX_DIRECTORY_INFORMATION 50
1517 #define FILE_STANDARD_LINK_INFORMATION 54
1519 struct smb2_file_internal_info {
1521 } __packed; /* level 6 Query */
1523 struct smb2_file_rename_info { /* encoding of request for level 10 */
1524 __u8 ReplaceIfExists; /* 1 = replace existing target with new */
1525 /* 0 = fail if target already exists */
1527 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */
1528 __le32 FileNameLength;
1529 char FileName[0]; /* New name to be assigned */
1530 } __packed; /* level 10 Set */
1532 struct smb2_file_link_info { /* encoding of request for level 11 */
1533 __u8 ReplaceIfExists; /* 1 = replace existing link with new */
1534 /* 0 = fail if link already exists */
1536 __u64 RootDirectory; /* MBZ for network operations (why says spec?) */
1537 __le32 FileNameLength;
1538 char FileName[0]; /* Name to be assigned to new link */
1539 } __packed; /* level 11 Set */
1541 struct smb2_file_full_ea_info { /* encoding of response for level 15 */
1542 __le32 next_entry_offset;
1544 __u8 ea_name_length;
1545 __le16 ea_value_length;
1546 char ea_data[0]; /* \0 terminated name plus value */
1547 } __packed; /* level 15 Set */
1550 * This level 18, although with struct with same name is different from cifs
1551 * level 0x107. Level 0x107 has an extra u64 between AccessFlags and
1552 * CurrentByteOffset.
1554 struct smb2_file_all_info { /* data block encoding of response to level 18 */
1555 __le64 CreationTime; /* Beginning of FILE_BASIC_INFO equivalent */
1556 __le64 LastAccessTime;
1557 __le64 LastWriteTime;
1560 __u32 Pad1; /* End of FILE_BASIC_INFO_INFO equivalent */
1561 __le64 AllocationSize; /* Beginning of FILE_STANDARD_INFO equivalent */
1562 __le64 EndOfFile; /* size ie offset to first free byte in file */
1563 __le32 NumberOfLinks; /* hard links */
1566 __u16 Pad2; /* End of FILE_STANDARD_INFO equivalent */
1570 __le64 CurrentByteOffset;
1572 __le32 AlignmentRequirement;
1573 __le32 FileNameLength;
1575 } __packed; /* level 18 Query */
1577 struct smb2_file_eof_info { /* encoding of request for level 10 */
1578 __le64 EndOfFile; /* new end of file value */
1579 } __packed; /* level 20 Set */
1581 extern char smb2_padding[7];
1583 #endif /* _SMB2PDU_H */