4 * Copyright (c) International Business Machines Corp., 2002
7 * This library is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU Lesser General Public License as published
9 * by the Free Software Foundation; either version 2.1 of the License, or
10 * (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
15 * the GNU Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 #define BAD_PROT CIFS_PROT+1
30 /* SMB command codes */
31 /* Some commands have minimal (wct=0,bcc=0), or uninteresting, responses
32 (ie which include no useful data other than the SMB error code itself).
33 Knowing this helps avoid response buffer allocations and copy in some cases */
34 #define SMB_COM_CREATE_DIRECTORY 0x00 /* trivial response */
35 #define SMB_COM_DELETE_DIRECTORY 0x01 /* trivial response */
36 #define SMB_COM_CLOSE 0x04 /* triv req/rsp, timestamp ignored */
37 #define SMB_COM_DELETE 0x06 /* trivial response */
38 #define SMB_COM_RENAME 0x07 /* trivial response */
39 #define SMB_COM_QUERY_INFORMATION 0x08 /* aka getattr */
40 #define SMB_COM_SETATTR 0x09 /* trivial response */
41 #define SMB_COM_LOCKING_ANDX 0x24 /* trivial response */
42 #define SMB_COM_COPY 0x29 /* trivial rsp, fail filename ignrd*/
43 #define SMB_COM_OPEN_ANDX 0x2D /* Legacy open for old servers */
44 #define SMB_COM_READ_ANDX 0x2E
45 #define SMB_COM_WRITE_ANDX 0x2F
46 #define SMB_COM_TRANSACTION2 0x32
47 #define SMB_COM_TRANSACTION2_SECONDARY 0x33
48 #define SMB_COM_FIND_CLOSE2 0x34 /* trivial response */
49 #define SMB_COM_TREE_DISCONNECT 0x71 /* trivial response */
50 #define SMB_COM_NEGOTIATE 0x72
51 #define SMB_COM_SESSION_SETUP_ANDX 0x73
52 #define SMB_COM_LOGOFF_ANDX 0x74 /* trivial response */
53 #define SMB_COM_TREE_CONNECT_ANDX 0x75
54 #define SMB_COM_NT_TRANSACT 0xA0
55 #define SMB_COM_NT_TRANSACT_SECONDARY 0xA1
56 #define SMB_COM_NT_CREATE_ANDX 0xA2
57 #define SMB_COM_NT_CANCEL 0xA4 /* no response */
58 #define SMB_COM_NT_RENAME 0xA5 /* trivial response */
60 /* Transact2 subcommand codes */
61 #define TRANS2_OPEN 0x00
62 #define TRANS2_FIND_FIRST 0x01
63 #define TRANS2_FIND_NEXT 0x02
64 #define TRANS2_QUERY_FS_INFORMATION 0x03
65 #define TRANS2_SET_FS_INFORMATION 0x04
66 #define TRANS2_QUERY_PATH_INFORMATION 0x05
67 #define TRANS2_SET_PATH_INFORMATION 0x06
68 #define TRANS2_QUERY_FILE_INFORMATION 0x07
69 #define TRANS2_SET_FILE_INFORMATION 0x08
70 #define TRANS2_GET_DFS_REFERRAL 0x10
71 #define TRANS2_REPORT_DFS_INCOSISTENCY 0x11
73 /* NT Transact subcommand codes */
74 #define NT_TRANSACT_CREATE 0x01
75 #define NT_TRANSACT_IOCTL 0x02
76 #define NT_TRANSACT_SET_SECURITY_DESC 0x03
77 #define NT_TRANSACT_NOTIFY_CHANGE 0x04
78 #define NT_TRANSACT_RENAME 0x05
79 #define NT_TRANSACT_QUERY_SECURITY_DESC 0x06
80 #define NT_TRANSACT_GET_USER_QUOTA 0x07
81 #define NT_TRANSACT_SET_USER_QUOTA 0x08
83 #define MAX_CIFS_HDR_SIZE 256 /* is future chained NTCreateXReadX bigger? */
85 /* internal cifs vfs structures */
86 /*****************************************************************
87 * All constants go here
88 *****************************************************************
92 * Starting value for maximum SMB size negotiation
94 #define CIFS_MAX_MSGSIZE (4*4096)
97 * Size of encrypted user password in bytes
99 #define CIFS_ENCPWD_SIZE (16)
102 * Size of the crypto key returned on the negotiate SMB in bytes
104 #define CIFS_CRYPTO_KEY_SIZE (8)
107 * Size of the session key (crypto key encrypted with the password
109 #define CIFS_SESSION_KEY_SIZE (24)
112 * Maximum user name length
114 #define CIFS_UNLEN (20)
119 #define SMBOPEN_WRITE_THROUGH 0x4000
120 #define SMBOPEN_DENY_ALL 0x0010
121 #define SMBOPEN_DENY_WRITE 0x0020
122 #define SMBOPEN_DENY_READ 0x0030
123 #define SMBOPEN_DENY_NONE 0x0040
124 #define SMBOPEN_READ 0x0000
125 #define SMBOPEN_WRITE 0x0001
126 #define SMBOPEN_READWRITE 0x0002
127 #define SMBOPEN_EXECUTE 0x0003
129 #define SMBOPEN_OCREATE 0x0010
130 #define SMBOPEN_OTRUNC 0x0002
131 #define SMBOPEN_OAPPEND 0x0001
134 * SMB flag definitions
136 #define SMBFLG_EXTD_LOCK 0x01 /* server supports lock-read write-unlock smb */
137 #define SMBFLG_RCV_POSTED 0x02 /* obsolete */
138 #define SMBFLG_RSVD 0x04
139 #define SMBFLG_CASELESS 0x08 /* all pathnames treated as caseless (off
140 implies case sensitive file handling request) */
141 #define SMBFLG_CANONICAL_PATH_FORMAT 0x10 /* obsolete */
142 #define SMBFLG_OLD_OPLOCK 0x20 /* obsolete */
143 #define SMBFLG_OLD_OPLOCK_NOTIFY 0x40 /* obsolete */
144 #define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */
147 * SMB flag2 definitions
149 #define SMBFLG2_KNOWS_LONG_NAMES cpu_to_le16(1) /* can send long (non-8.3)
150 path names in response */
151 #define SMBFLG2_KNOWS_EAS cpu_to_le16(2)
152 #define SMBFLG2_SECURITY_SIGNATURE cpu_to_le16(4)
153 #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40)
154 #define SMBFLG2_EXT_SEC cpu_to_le16(0x800)
155 #define SMBFLG2_DFS cpu_to_le16(0x1000)
156 #define SMBFLG2_PAGING_IO cpu_to_le16(0x2000)
157 #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000)
158 #define SMBFLG2_UNICODE cpu_to_le16(0x8000)
161 * These are the file access permission bits defined in CIFS for the
162 * NTCreateAndX as well as the level 0x107
163 * TRANS2_QUERY_PATH_INFORMATION API. The level 0x107, SMB_QUERY_FILE_ALL_INFO
164 * responds with the AccessFlags.
165 * The AccessFlags specifies the access permissions a caller has to the
166 * file and can have any suitable combination of the following values:
169 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */
170 #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */
171 #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */
172 #define FILE_READ_EA 0x00000008 /* Extended attributes associated */
173 /* with the file can be read */
174 #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */
175 /* with the file can be written */
176 #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */
177 /* the file using system paging I/O */
178 #define FILE_DELETE_CHILD 0x00000040
179 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */
180 /* file can be read */
181 #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */
182 /* file can be written */
183 #define DELETE 0x00010000 /* The file can be deleted */
184 #define READ_CONTROL 0x00020000 /* The access control list and */
185 /* ownership associated with the */
186 /* file can be read */
187 #define WRITE_DAC 0x00040000 /* The access control list and */
188 /* ownership associated with the */
189 /* file can be written. */
190 #define WRITE_OWNER 0x00080000 /* Ownership information associated */
191 /* with the file can be written */
192 #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */
193 /* synchronize with the completion */
194 /* of an input/output request */
195 #define GENERIC_ALL 0x10000000
196 #define GENERIC_EXECUTE 0x20000000
197 #define GENERIC_WRITE 0x40000000
198 #define GENERIC_READ 0x80000000
199 /* In summary - Relevant file */
200 /* access flags from CIFS are */
201 /* file_read_data, file_write_data */
202 /* file_execute, file_read_attributes*/
203 /* write_dac, and delete. */
206 * Invalid readdir handle
208 #define CIFS_NO_HANDLE 0xFFFF
211 #define CIFS_IPC_RESOURCE "\x49\x50\x43\x24"
213 /* IPC$ in Unicode */
214 #define CIFS_IPC_UNICODE_RESOURCE "\x00\x49\x00\x50\x00\x43\x00\x24\x00\x00"
216 /* Unicode Null terminate 2 bytes of 0 */
217 #define UNICODE_NULL "\x00\x00"
218 #define ASCII_NULL 0x00
221 * Server type values (returned on EnumServer API
223 #define CIFS_SV_TYPE_DC 0x00000008
224 #define CIFS_SV_TYPE_BACKDC 0x00000010
227 * Alias type flags (From EnumAlias API call
229 #define CIFS_ALIAS_TYPE_FILE 0x0001
230 #define CIFS_SHARE_TYPE_FILE 0x0000
233 * File Attribute flags
235 #define ATTR_READONLY 0x0001
236 #define ATTR_HIDDEN 0x0002
237 #define ATTR_SYSTEM 0x0004
238 #define ATTR_VOLUME 0x0008
239 #define ATTR_DIRECTORY 0x0010
240 #define ATTR_ARCHIVE 0x0020
241 #define ATTR_DEVICE 0x0040
242 #define ATTR_NORMAL 0x0080
243 #define ATTR_TEMPORARY 0x0100
244 #define ATTR_SPARSE 0x0200
245 #define ATTR_REPARSE 0x0400
246 #define ATTR_COMPRESSED 0x0800
247 #define ATTR_OFFLINE 0x1000 /* ie file not immediately available -
248 on offline storage */
249 #define ATTR_NOT_CONTENT_INDEXED 0x2000
250 #define ATTR_ENCRYPTED 0x4000
251 #define ATTR_POSIX_SEMANTICS 0x01000000
252 #define ATTR_BACKUP_SEMANTICS 0x02000000
253 #define ATTR_DELETE_ON_CLOSE 0x04000000
254 #define ATTR_SEQUENTIAL_SCAN 0x08000000
255 #define ATTR_RANDOM_ACCESS 0x10000000
256 #define ATTR_NO_BUFFERING 0x20000000
257 #define ATTR_WRITE_THROUGH 0x80000000
259 /* ShareAccess flags */
260 #define FILE_NO_SHARE 0x00000000
261 #define FILE_SHARE_READ 0x00000001
262 #define FILE_SHARE_WRITE 0x00000002
263 #define FILE_SHARE_DELETE 0x00000004
264 #define FILE_SHARE_ALL 0x00000007
266 /* CreateDisposition flags */
267 #define FILE_SUPERSEDE 0x00000000
268 #define FILE_OPEN 0x00000001
269 #define FILE_CREATE 0x00000002
270 #define FILE_OPEN_IF 0x00000003
271 #define FILE_OVERWRITE 0x00000004
272 #define FILE_OVERWRITE_IF 0x00000005
275 #define CREATE_NOT_FILE 0x00000001 /* if set must not be file */
276 #define CREATE_WRITE_THROUGH 0x00000002
277 #define CREATE_SEQUENTIAL 0x00000004
278 #define CREATE_SYNC_ALERT 0x00000010
279 #define CREATE_ASYNC_ALERT 0x00000020
280 #define CREATE_NOT_DIR 0x00000040 /* if set must not be directory */
281 #define CREATE_NO_EA_KNOWLEDGE 0x00000200
282 #define CREATE_EIGHT_DOT_THREE 0x00000400
283 #define CREATE_RANDOM_ACCESS 0x00000800
284 #define CREATE_DELETE_ON_CLOSE 0x00001000
285 #define CREATE_OPEN_BY_ID 0x00002000
286 #define OPEN_REPARSE_POINT 0x00200000
287 #define CREATE_OPTIONS_MASK 0x007FFFFF
288 #define CREATE_OPTION_SPECIAL 0x20000000 /* system. NB not sent over wire */
290 /* ImpersonationLevel flags */
291 #define SECURITY_ANONYMOUS 0
292 #define SECURITY_IDENTIFICATION 1
293 #define SECURITY_IMPERSONATION 2
294 #define SECURITY_DELEGATION 3
297 #define SECURITY_CONTEXT_TRACKING 0x01
298 #define SECURITY_EFFECTIVE_ONLY 0x02
301 * Default PID value, used in all SMBs where the PID is not important
303 #define CIFS_DFT_PID 0x1234
306 * We use the same routine for Copy and Move SMBs. This flag is used to
309 #define CIFS_COPY_OP 1
310 #define CIFS_RENAME_OP 2
312 #define GETU16(var) (*((__u16 *)var)) /* BB check for endian issues */
313 #define GETU32(var) (*((__u32 *)var)) /* BB check for endian issues */
316 __u32 smb_buf_length; /* big endian on wire *//* BB length is only two
317 or three bytes - with one or two byte type preceding it that are
318 zero - we could mask the type byte off just in case BB */
326 } __attribute__((packed)) DosError;
328 } __attribute__((packed)) Status;
330 __le16 Flags2; /* note: le */
334 __le32 SequenceNumber; /* le */
335 __u32 Reserved; /* zero */
336 } __attribute__((packed)) Sequence;
337 __u8 SecuritySignature[8]; /* le */
338 } __attribute__((packed)) Signature;
345 } __attribute__((packed));
346 /* given a pointer to an smb_hdr retrieve the value of byte count */
347 #define BCC(smb_var) ( *(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
348 #define BCC_LE(smb_var) ( *(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) ) )
349 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */
350 #define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2* smb_var->WordCount) + 2 )
353 * Computer Name Length
358 * Share Name Length @S8A
359 * Note: This length is limited by the SMB used to get @S8A
360 * the Share info. NetShareEnum only returns 13 @S8A
361 * chars, including the null termination. @S8A
363 #define SNLEN 12 /*@S8A */
368 #define MAXCOMMENTLEN 40
371 * The OS/2 maximum path name
373 #define MAX_PATHCONF 256
376 * SMB frame definitions (following must be packed structs)
377 * See the SNIA CIFS Specification for details.
379 * The Naming convention is the lower case version of the
380 * smb command code name for the struct and this is typedef to the
381 * uppercase version of the same name with the prefix SMB_ removed
382 * for brevity. Although typedefs are not commonly used for
383 * structure definitions in the Linux kernel, their use in the
384 * CIFS standards document, which this code is based on, may
385 * make this one of the cases where typedefs for structures make
386 * sense to improve readability for readers of the standards doc.
387 * Typedefs can always be removed later if they are too distracting
388 * and they are only used for the CIFSs PDUs themselves, not
389 * internal cifs vfs structures
393 typedef struct negotiate_req {
394 struct smb_hdr hdr; /* wct = 0 */
396 unsigned char DialectsArray[1];
397 } __attribute__((packed)) NEGOTIATE_REQ;
399 typedef struct negotiate_rsp {
400 struct smb_hdr hdr; /* wct = 17 */
405 __le32 MaxBufferSize;
408 __le32 Capabilities; /* see below */
409 __le32 SystemTimeLow;
410 __le32 SystemTimeHigh;
411 __le16 ServerTimeZone;
412 __u8 EncryptionKeyLength;
415 unsigned char EncryptionKey[1]; /* cap extended security off */
416 /* followed by Domain name - if extended security is off */
417 /* followed by 16 bytes of server GUID */
418 /* then security blob if cap_extended_security negotiated */
420 unsigned char GUID[16];
421 unsigned char SecurityBlob[1];
422 } __attribute__((packed)) extended_response;
423 } __attribute__((packed)) u;
424 } __attribute__((packed)) NEGOTIATE_RSP;
426 /* SecurityMode bits */
427 #define SECMODE_USER 0x01 /* off indicates share level security */
428 #define SECMODE_PW_ENCRYPT 0x02
429 #define SECMODE_SIGN_ENABLED 0x04 /* SMB security signatures enabled */
430 #define SECMODE_SIGN_REQUIRED 0x08 /* SMB security signatures required */
432 /* Negotiate response Capabilities */
433 #define CAP_RAW_MODE 0x00000001
434 #define CAP_MPX_MODE 0x00000002
435 #define CAP_UNICODE 0x00000004
436 #define CAP_LARGE_FILES 0x00000008
437 #define CAP_NT_SMBS 0x00000010 /* implies CAP_NT_FIND */
438 #define CAP_RPC_REMOTE_APIS 0x00000020
439 #define CAP_STATUS32 0x00000040
440 #define CAP_LEVEL_II_OPLOCKS 0x00000080
441 #define CAP_LOCK_AND_READ 0x00000100
442 #define CAP_NT_FIND 0x00000200
443 #define CAP_DFS 0x00001000
444 #define CAP_INFOLEVEL_PASSTHRU 0x00002000
445 #define CAP_LARGE_READ_X 0x00004000
446 #define CAP_LARGE_WRITE_X 0x00008000
447 #define CAP_UNIX 0x00800000
448 #define CAP_RESERVED 0x02000000
449 #define CAP_BULK_TRANSFER 0x20000000
450 #define CAP_COMPRESSED_DATA 0x40000000
451 #define CAP_EXTENDED_SECURITY 0x80000000
453 typedef union smb_com_session_setup_andx {
454 struct { /* request format */
455 struct smb_hdr hdr; /* wct = 12 */
459 __le16 MaxBufferSize;
463 __le16 SecurityBlobLength;
465 __le32 Capabilities; /* see below */
467 unsigned char SecurityBlob[1]; /* followed by */
468 /* STRING NativeOS */
469 /* STRING NativeLanMan */
470 } __attribute__((packed)) req; /* NTLM request format (with
473 struct { /* request format */
474 struct smb_hdr hdr; /* wct = 13 */
478 __le16 MaxBufferSize;
482 __le16 CaseInsensitivePasswordLength; /* ASCII password len */
483 __le16 CaseSensitivePasswordLength; /* Unicode password length*/
484 __u32 Reserved; /* see below */
487 unsigned char CaseInsensitivePassword[1]; /* followed by: */
488 /* unsigned char * CaseSensitivePassword; */
489 /* STRING AccountName */
490 /* STRING PrimaryDomain */
491 /* STRING NativeOS */
492 /* STRING NativeLanMan */
493 } __attribute__((packed)) req_no_secext; /* NTLM request format (without
496 struct { /* default (NTLM) response format */
497 struct smb_hdr hdr; /* wct = 4 */
501 __le16 Action; /* see below */
502 __le16 SecurityBlobLength;
504 unsigned char SecurityBlob[1]; /* followed by */
505 /* unsigned char * NativeOS; */
506 /* unsigned char * NativeLanMan; */
507 /* unsigned char * PrimaryDomain; */
508 } __attribute__((packed)) resp; /* NTLM response format (with or without extended security */
510 struct { /* request format */
511 struct smb_hdr hdr; /* wct = 10 */
515 __le16 MaxBufferSize;
519 __le16 PassswordLength;
522 unsigned char AccountPassword[1]; /* followed by */
523 /* STRING AccountName */
524 /* STRING PrimaryDomain */
525 /* STRING NativeOS */
526 /* STRING NativeLanMan */
527 } __attribute__((packed)) old_req; /* pre-NTLM (LANMAN2.1) request format */
529 struct { /* default (NTLM) response format */
530 struct smb_hdr hdr; /* wct = 3 */
534 __le16 Action; /* see below */
536 unsigned char NativeOS[1]; /* followed by */
537 /* unsigned char * NativeLanMan; */
538 /* unsigned char * PrimaryDomain; */
539 } __attribute__((packed)) old_resp; /* pre-NTLM (LANMAN2.1) response format */
540 } __attribute__((packed)) SESSION_SETUP_ANDX;
542 #define CIFS_NETWORK_OPSYS "CIFS VFS Client for Linux"
544 /* Capabilities bits (for NTLM SessSetup request) */
545 #define CAP_UNICODE 0x00000004
546 #define CAP_LARGE_FILES 0x00000008
547 #define CAP_NT_SMBS 0x00000010
548 #define CAP_STATUS32 0x00000040
549 #define CAP_LEVEL_II_OPLOCKS 0x00000080
550 #define CAP_NT_FIND 0x00000200 /* reserved should be zero
551 (because NT_SMBs implies the same thing?) */
552 #define CAP_BULK_TRANSFER 0x20000000
553 #define CAP_EXTENDED_SECURITY 0x80000000
556 #define GUEST_LOGIN 1
558 typedef struct smb_com_tconx_req {
559 struct smb_hdr hdr; /* wct = 4 */
563 __le16 Flags; /* see below */
564 __le16 PasswordLength;
566 unsigned char Password[1]; /* followed by */
567 /* STRING Path *//* \\server\share name */
569 } __attribute__((packed)) TCONX_REQ;
571 typedef struct smb_com_tconx_rsp {
572 struct smb_hdr hdr; /* wct = 3 *//* note that Win2000 has sent wct=7 in some cases on responses. Four unspecified words followed OptionalSupport */
576 __le16 OptionalSupport; /* see below */
578 unsigned char Service[1]; /* always ASCII, not Unicode */
579 /* STRING NativeFileSystem */
580 } __attribute__((packed)) TCONX_RSP;
582 /* tree connect Flags */
583 #define DISCONNECT_TID 0x0001
584 #define TCON_EXTENDED_SECINFO 0x0008
585 /* OptionalSupport bits */
586 #define SMB_SUPPORT_SEARCH_BITS 0x0001 /* "must have" directory search bits
587 (exclusive searches supported) */
588 #define SMB_SHARE_IS_IN_DFS 0x0002
590 typedef struct smb_com_logoff_andx_req {
591 struct smb_hdr hdr; /* wct = 2 */
596 } __attribute__((packed)) LOGOFF_ANDX_REQ;
598 typedef struct smb_com_logoff_andx_rsp {
599 struct smb_hdr hdr; /* wct = 2 */
604 } __attribute__((packed)) LOGOFF_ANDX_RSP;
606 typedef union smb_com_tree_disconnect { /* as an altetnative can use flag on
607 tree_connect PDU to effect disconnect */
608 /* tdis is probably simplest SMB PDU */
610 struct smb_hdr hdr; /* wct = 0 */
611 __u16 ByteCount; /* bcc = 0 */
612 } __attribute__((packed)) req;
614 struct smb_hdr hdr; /* wct = 0 */
615 __u16 ByteCount; /* bcc = 0 */
616 } __attribute__((packed)) resp;
617 } __attribute__((packed)) TREE_DISCONNECT;
619 typedef struct smb_com_close_req {
620 struct smb_hdr hdr; /* wct = 3 */
622 __u32 LastWriteTime; /* should be zero */
623 __u16 ByteCount; /* 0 */
624 } __attribute__((packed)) CLOSE_REQ;
626 typedef struct smb_com_close_rsp {
627 struct smb_hdr hdr; /* wct = 0 */
628 __u16 ByteCount; /* bct = 0 */
629 } __attribute__((packed)) CLOSE_RSP;
631 typedef struct smb_com_findclose_req {
632 struct smb_hdr hdr; /* wct = 1 */
634 __u16 ByteCount; /* 0 */
635 } __attribute__((packed)) FINDCLOSE_REQ;
638 #define REQ_MORE_INFO 0x00000001 /* legacy (OPEN_AND_X) only */
639 #define REQ_OPLOCK 0x00000002
640 #define REQ_BATCHOPLOCK 0x00000004
641 #define REQ_OPENDIRONLY 0x00000008
643 typedef struct smb_com_open_req { /* also handles create */
644 struct smb_hdr hdr; /* wct = 24 */
648 __u8 Reserved; /* Must Be Zero */
651 __le32 RootDirectoryFid;
652 __le32 DesiredAccess;
653 __le64 AllocationSize;
654 __le32 FileAttributes;
656 __le32 CreateDisposition;
657 __le32 CreateOptions;
658 __le32 ImpersonationLevel;
662 } __attribute__((packed)) OPEN_REQ;
664 /* open response: oplock levels */
665 #define OPLOCK_NONE 0
666 #define OPLOCK_EXCLUSIVE 1
667 #define OPLOCK_BATCH 2
668 #define OPLOCK_READ 3 /* level 2 oplock */
670 /* open response for CreateAction shifted left */
671 #define CIFS_CREATE_ACTION 0x20000 /* file created */
673 typedef struct smb_com_open_rsp {
674 struct smb_hdr hdr; /* wct = 34 BB */
682 __le64 LastAccessTime;
683 __le64 LastWriteTime;
685 __le32 FileAttributes;
686 __le64 AllocationSize;
691 __u16 ByteCount; /* bct = 0 */
692 } __attribute__((packed)) OPEN_RSP;
694 /* format of legacy open request */
695 typedef struct smb_com_openx_req {
696 struct smb_hdr hdr; /* wct = 15 */
702 __le16 Sattr; /* search attributes */
703 __le16 FileAttributes; /* dos attrs */
704 __le32 CreateTime; /* os2 format */
709 __le16 ByteCount; /* file name follows */
711 } __attribute__((packed)) OPENX_REQ;
713 typedef struct smb_com_openx_rsp {
714 struct smb_hdr hdr; /* wct = 15 */
719 __le16 FileAttributes;
720 __le32 LastWriteTime; /* os2 format */
729 } __attribute__((packed)) OPENX_RSP;
731 /* Legacy write request for older servers */
732 typedef struct smb_com_writex_req {
733 struct smb_hdr hdr; /* wct = 12 */
739 __u32 Reserved; /* Timeout */
740 __le16 WriteMode; /* 1 = write through */
743 __le16 DataLengthLow;
746 __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
748 } __attribute__((packed)) WRITEX_REQ;
750 typedef struct smb_com_write_req {
751 struct smb_hdr hdr; /* wct = 14 */
760 __le16 DataLengthHigh;
761 __le16 DataLengthLow;
765 __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
767 } __attribute__((packed)) WRITE_REQ;
769 typedef struct smb_com_write_rsp {
770 struct smb_hdr hdr; /* wct = 6 */
779 } __attribute__((packed)) WRITE_RSP;
781 /* legacy read request for older servers */
782 typedef struct smb_com_readx_req {
783 struct smb_hdr hdr; /* wct = 10 */
790 __le16 MinCount; /* obsolete */
794 } __attribute__((packed)) READX_REQ;
796 typedef struct smb_com_read_req {
797 struct smb_hdr hdr; /* wct = 12 */
804 __le16 MinCount; /* obsolete */
809 } __attribute__((packed)) READ_REQ;
811 typedef struct smb_com_read_rsp {
812 struct smb_hdr hdr; /* wct = 12 */
817 __le16 DataCompactionMode;
821 __le16 DataLengthHigh;
824 __u8 Pad; /* BB check for whether padded to DWORD boundary and optimum performance here */
826 } __attribute__((packed)) READ_RSP;
828 typedef struct locking_andx_range {
835 } __attribute__((packed)) LOCKING_ANDX_RANGE;
837 #define LOCKING_ANDX_SHARED_LOCK 0x01
838 #define LOCKING_ANDX_OPLOCK_RELEASE 0x02
839 #define LOCKING_ANDX_CHANGE_LOCKTYPE 0x04
840 #define LOCKING_ANDX_CANCEL_LOCK 0x08
841 #define LOCKING_ANDX_LARGE_FILES 0x10 /* always on for us */
843 typedef struct smb_com_lock_req {
844 struct smb_hdr hdr; /* wct = 8 */
852 __le16 NumberOfUnlocks;
853 __le16 NumberOfLocks;
855 LOCKING_ANDX_RANGE Locks[1];
856 } __attribute__((packed)) LOCK_REQ;
859 typedef struct cifs_posix_lock {
860 __le16 lock_type; /* 0 = Read, 1 = Write, 2 = Unlock */
861 __le16 lock_flags; /* 1 = Wait (only valid for setlock) */
865 /* BB what about additional owner info to identify network client */
866 } __attribute__((packed)) CIFS_POSIX_LOCK;
868 typedef struct smb_com_lock_rsp {
869 struct smb_hdr hdr; /* wct = 2 */
874 } __attribute__((packed)) LOCK_RSP;
876 typedef struct smb_com_rename_req {
877 struct smb_hdr hdr; /* wct = 1 */
878 __le16 SearchAttributes; /* target file attributes */
880 __u8 BufferFormat; /* 4 = ASCII or Unicode */
881 unsigned char OldFileName[1];
882 /* followed by __u8 BufferFormat2 */
883 /* followed by NewFileName */
884 } __attribute__((packed)) RENAME_REQ;
886 /* copy request flags */
887 #define COPY_MUST_BE_FILE 0x0001
888 #define COPY_MUST_BE_DIR 0x0002
889 #define COPY_TARGET_MODE_ASCII 0x0004 /* if not set, binary */
890 #define COPY_SOURCE_MODE_ASCII 0x0008 /* if not set, binary */
891 #define COPY_VERIFY_WRITES 0x0010
892 #define COPY_TREE 0x0020
894 typedef struct smb_com_copy_req {
895 struct smb_hdr hdr; /* wct = 3 */
900 __u8 BufferFormat; /* 4 = ASCII or Unicode */
901 unsigned char OldFileName[1];
902 /* followed by __u8 BufferFormat2 */
903 /* followed by NewFileName string */
904 } __attribute__((packed)) COPY_REQ;
906 typedef struct smb_com_copy_rsp {
907 struct smb_hdr hdr; /* wct = 1 */
908 __le16 CopyCount; /* number of files copied */
909 __u16 ByteCount; /* may be zero */
910 __u8 BufferFormat; /* 0x04 - only present if errored file follows */
911 unsigned char ErrorFileName[1]; /* only present if error in copy */
912 } __attribute__((packed)) COPY_RSP;
914 #define CREATE_HARD_LINK 0x103
915 #define MOVEFILE_COPY_ALLOWED 0x0002
916 #define MOVEFILE_REPLACE_EXISTING 0x0001
918 typedef struct smb_com_nt_rename_req { /* A5 - also used for create hardlink */
919 struct smb_hdr hdr; /* wct = 4 */
920 __le16 SearchAttributes; /* target file attributes */
921 __le16 Flags; /* spec says Information Level */
924 __u8 BufferFormat; /* 4 = ASCII or Unicode */
925 unsigned char OldFileName[1];
926 /* followed by __u8 BufferFormat2 */
927 /* followed by NewFileName */
928 } __attribute__((packed)) NT_RENAME_REQ;
930 typedef struct smb_com_rename_rsp {
931 struct smb_hdr hdr; /* wct = 0 */
932 __u16 ByteCount; /* bct = 0 */
933 } __attribute__((packed)) RENAME_RSP;
935 typedef struct smb_com_delete_file_req {
936 struct smb_hdr hdr; /* wct = 1 */
937 __le16 SearchAttributes;
939 __u8 BufferFormat; /* 4 = ASCII */
940 unsigned char fileName[1];
941 } __attribute__((packed)) DELETE_FILE_REQ;
943 typedef struct smb_com_delete_file_rsp {
944 struct smb_hdr hdr; /* wct = 0 */
945 __u16 ByteCount; /* bct = 0 */
946 } __attribute__((packed)) DELETE_FILE_RSP;
948 typedef struct smb_com_delete_directory_req {
949 struct smb_hdr hdr; /* wct = 0 */
951 __u8 BufferFormat; /* 4 = ASCII */
952 unsigned char DirName[1];
953 } __attribute__((packed)) DELETE_DIRECTORY_REQ;
955 typedef struct smb_com_delete_directory_rsp {
956 struct smb_hdr hdr; /* wct = 0 */
957 __u16 ByteCount; /* bct = 0 */
958 } __attribute__((packed)) DELETE_DIRECTORY_RSP;
960 typedef struct smb_com_create_directory_req {
961 struct smb_hdr hdr; /* wct = 0 */
963 __u8 BufferFormat; /* 4 = ASCII */
964 unsigned char DirName[1];
965 } __attribute__((packed)) CREATE_DIRECTORY_REQ;
967 typedef struct smb_com_create_directory_rsp {
968 struct smb_hdr hdr; /* wct = 0 */
969 __u16 ByteCount; /* bct = 0 */
970 } __attribute__((packed)) CREATE_DIRECTORY_RSP;
972 typedef struct smb_com_query_information_req {
973 struct smb_hdr hdr; /* wct = 0 */
974 __le16 ByteCount; /* 1 + namelen + 1 */
975 __u8 BufferFormat; /* 4 = ASCII */
976 unsigned char FileName[1];
977 } __attribute__((packed)) QUERY_INFORMATION_REQ;
979 typedef struct smb_com_query_information_rsp {
980 struct smb_hdr hdr; /* wct = 10 */
982 __le32 last_write_time;
985 __le16 ByteCount; /* bcc = 0 */
986 } __attribute__((packed)) QUERY_INFORMATION_RSP;
988 typedef struct smb_com_setattr_req {
989 struct smb_hdr hdr; /* wct = 8 */
993 __le16 reserved[5]; /* must be zero */
995 __u8 BufferFormat; /* 4 = ASCII */
996 unsigned char fileName[1];
997 } __attribute__((packed)) SETATTR_REQ;
999 typedef struct smb_com_setattr_rsp {
1000 struct smb_hdr hdr; /* wct = 0 */
1001 __u16 ByteCount; /* bct = 0 */
1002 } __attribute__((packed)) SETATTR_RSP;
1004 /* empty wct response to setattr */
1006 /***************************************************/
1007 /* NT Transact structure defintions follow */
1008 /* Currently only ioctl and notify are implemented */
1009 /***************************************************/
1010 typedef struct smb_com_transaction_ioctl_req {
1011 struct smb_hdr hdr; /* wct = 23 */
1014 __le32 TotalParameterCount;
1015 __le32 TotalDataCount;
1016 __le32 MaxParameterCount;
1017 __le32 MaxDataCount;
1018 __le32 ParameterCount;
1019 __le32 ParameterOffset;
1022 __u8 SetupCount; /* four setup words follow subcommand */
1023 /* SNIA spec incorrectly included spurious pad here */
1024 __le16 SubCommand;/* 2 = IOCTL/FSCTL */
1025 __le32 FunctionCode;
1027 __u8 IsFsctl; /* 1 = File System Control, 0 = device control (IOCTL)*/
1028 __u8 IsRootFlag; /* 1 = apply command to root of share (must be DFS share)*/
1032 } __attribute__((packed)) TRANSACT_IOCTL_REQ;
1034 typedef struct smb_com_transaction_ioctl_rsp {
1035 struct smb_hdr hdr; /* wct = 19 */
1037 __le32 TotalParameterCount;
1038 __le32 TotalDataCount;
1039 __le32 ParameterCount;
1040 __le32 ParameterOffset;
1041 __le32 ParameterDisplacement;
1044 __le32 DataDisplacement;
1045 __u8 SetupCount; /* 1 */
1046 __le16 ReturnedDataLen;
1049 } __attribute__((packed)) TRANSACT_IOCTL_RSP;
1051 typedef struct smb_com_transaction_change_notify_req {
1052 struct smb_hdr hdr; /* wct = 23 */
1055 __le32 TotalParameterCount;
1056 __le32 TotalDataCount;
1057 __le32 MaxParameterCount;
1058 __le32 MaxDataCount;
1059 __le32 ParameterCount;
1060 __le32 ParameterOffset;
1063 __u8 SetupCount; /* four setup words follow subcommand */
1064 /* SNIA spec incorrectly included spurious pad here */
1065 __le16 SubCommand;/* 4 = Change Notify */
1066 __le32 CompletionFilter; /* operation to monitor */
1068 __u8 WatchTree; /* 1 = Monitor subdirectories */
1073 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_REQ;
1075 typedef struct smb_com_transaction_change_notify_rsp {
1076 struct smb_hdr hdr; /* wct = 18 */
1078 __le32 TotalParameterCount;
1079 __le32 TotalDataCount;
1080 __le32 ParameterCount;
1081 __le32 ParameterOffset;
1082 __le32 ParameterDisplacement;
1085 __le32 DataDisplacement;
1086 __u8 SetupCount; /* 0 */
1089 } __attribute__((packed)) TRANSACT_CHANGE_NOTIFY_RSP;
1090 /* Completion Filter flags for Notify */
1091 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x00000001
1092 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x00000002
1093 #define FILE_NOTIFY_CHANGE_NAME 0x00000003
1094 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x00000004
1095 #define FILE_NOTIFY_CHANGE_SIZE 0x00000008
1096 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x00000010
1097 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x00000020
1098 #define FILE_NOTIFY_CHANGE_CREATION 0x00000040
1099 #define FILE_NOTIFY_CHANGE_EA 0x00000080
1100 #define FILE_NOTIFY_CHANGE_SECURITY 0x00000100
1101 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
1102 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
1103 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
1105 #define FILE_ACTION_ADDED 0x00000001
1106 #define FILE_ACTION_REMOVED 0x00000002
1107 #define FILE_ACTION_MODIFIED 0x00000003
1108 #define FILE_ACTION_RENAMED_OLD_NAME 0x00000004
1109 #define FILE_ACTION_RENAMED_NEW_NAME 0x00000005
1110 #define FILE_ACTION_ADDED_STREAM 0x00000006
1111 #define FILE_ACTION_REMOVED_STREAM 0x00000007
1112 #define FILE_ACTION_MODIFIED_STREAM 0x00000008
1114 /* response contains array of the following structures */
1115 struct file_notify_information {
1116 __le32 NextEntryOffset;
1118 __le32 FileNameLength;
1120 } __attribute__((packed));
1122 struct reparse_data {
1124 __u16 ReparseDataLength;
1126 __u16 AltNameOffset;
1128 __u16 TargetNameOffset;
1129 __u16 TargetNameLen;
1130 char LinkNamesBuf[1];
1131 } __attribute__((packed));
1133 struct cifs_quota_data {
1134 __u32 rsrvd1; /* 0 */
1136 __u64 rsrvd2; /* 0 */
1140 char sid[1]; /* variable size? */
1141 } __attribute__((packed));
1143 /* quota sub commands */
1144 #define QUOTA_LIST_CONTINUE 0
1145 #define QUOTA_LIST_START 0x100
1146 #define QUOTA_FOR_SID 0x101
1149 /* struct smb_hdr hdr precedes. Set wct = 14+ */
1150 __le16 TotalParameterCount;
1151 __le16 TotalDataCount;
1152 __le16 MaxParameterCount;
1153 __le16 MaxDataCount;
1159 __le16 ParameterCount;
1160 __le16 ParameterOffset;
1165 __le16 SubCommand; /* 1st setup word - SetupCount words follow */
1167 } __attribute__((packed));
1171 struct trans2_req t2_req;
1172 } __attribute__((packed));
1174 struct trans2_resp {
1175 /* struct smb_hdr hdr precedes. Note wct = 10 + setup count */
1176 __le16 TotalParameterCount;
1177 __le16 TotalDataCount;
1179 __le16 ParameterCount;
1180 __le16 ParameterOffset;
1181 __le16 ParameterDisplacement;
1184 __le16 DataDisplacement;
1187 /* SetupWords[SetupCount];
1190 /* data area follows */
1191 } __attribute__((packed));
1195 struct trans2_resp t2_rsp;
1196 } __attribute__((packed));
1198 /* PathInfo/FileInfo infolevels */
1199 #define SMB_INFO_STANDARD 1
1200 #define SMB_SET_FILE_EA 2
1201 #define SMB_QUERY_FILE_EA_SIZE 2
1202 #define SMB_INFO_QUERY_EAS_FROM_LIST 3
1203 #define SMB_INFO_QUERY_ALL_EAS 4
1204 #define SMB_INFO_IS_NAME_VALID 6
1205 #define SMB_QUERY_FILE_BASIC_INFO 0x101
1206 #define SMB_QUERY_FILE_STANDARD_INFO 0x102
1207 #define SMB_QUERY_FILE_EA_INFO 0x103
1208 #define SMB_QUERY_FILE_NAME_INFO 0x104
1209 #define SMB_QUERY_FILE_ALLOCATION_INFO 0x105
1210 #define SMB_QUERY_FILE_END_OF_FILEINFO 0x106
1211 #define SMB_QUERY_FILE_ALL_INFO 0x107
1212 #define SMB_QUERY_ALT_NAME_INFO 0x108
1213 #define SMB_QUERY_FILE_STREAM_INFO 0x109
1214 #define SMB_QUERY_FILE_COMPRESSION_INFO 0x10B
1215 #define SMB_QUERY_FILE_UNIX_BASIC 0x200
1216 #define SMB_QUERY_FILE_UNIX_LINK 0x201
1217 #define SMB_QUERY_POSIX_ACL 0x204
1218 #define SMB_QUERY_XATTR 0x205
1219 #define SMB_QUERY_ATTR_FLAGS 0x206 /* append,immutable etc. */
1220 #define SMB_QUERY_POSIX_PERMISSION 0x207
1221 #define SMB_QUERY_POSIX_LOCK 0x208
1222 #define SMB_QUERY_FILE_INTERNAL_INFO 0x3ee
1223 #define SMB_QUERY_FILE_ACCESS_INFO 0x3f0
1224 #define SMB_QUERY_FILE_NAME_INFO2 0x3f1 /* 0x30 bytes */
1225 #define SMB_QUERY_FILE_POSITION_INFO 0x3f6
1226 #define SMB_QUERY_FILE_MODE_INFO 0x3f8
1227 #define SMB_QUERY_FILE_ALGN_INFO 0x3f9
1230 #define SMB_SET_FILE_BASIC_INFO 0x101
1231 #define SMB_SET_FILE_DISPOSITION_INFO 0x102
1232 #define SMB_SET_FILE_ALLOCATION_INFO 0x103
1233 #define SMB_SET_FILE_END_OF_FILE_INFO 0x104
1234 #define SMB_SET_FILE_UNIX_BASIC 0x200
1235 #define SMB_SET_FILE_UNIX_LINK 0x201
1236 #define SMB_SET_FILE_UNIX_HLINK 0x203
1237 #define SMB_SET_POSIX_ACL 0x204
1238 #define SMB_SET_XATTR 0x205
1239 #define SMB_SET_ATTR_FLAGS 0x206 /* append, immutable etc. */
1240 #define SMB_SET_POSIX_LOCK 0x208
1241 #define SMB_SET_FILE_BASIC_INFO2 0x3ec
1242 #define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo level too */
1243 #define SMB_FILE_ALL_INFO2 0x3fa
1244 #define SMB_SET_FILE_ALLOCATION_INFO2 0x3fb
1245 #define SMB_SET_FILE_END_OF_FILE_INFO2 0x3fc
1246 #define SMB_FILE_MOVE_CLUSTER_INFO 0x407
1247 #define SMB_FILE_QUOTA_INFO 0x408
1248 #define SMB_FILE_REPARSEPOINT_INFO 0x409
1249 #define SMB_FILE_MAXIMUM_INFO 0x40d
1251 /* Find File infolevels */
1252 #define SMB_FIND_FILE_DIRECTORY_INFO 0x101
1253 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
1254 #define SMB_FIND_FILE_NAMES_INFO 0x103
1255 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104
1256 #define SMB_FIND_FILE_ID_FULL_DIR_INFO 0x105
1257 #define SMB_FIND_FILE_ID_BOTH_DIR_INFO 0x106
1258 #define SMB_FIND_FILE_UNIX 0x202
1260 typedef struct smb_com_transaction2_qpi_req {
1261 struct smb_hdr hdr; /* wct = 14+ */
1262 __le16 TotalParameterCount;
1263 __le16 TotalDataCount;
1264 __le16 MaxParameterCount;
1265 __le16 MaxDataCount;
1271 __le16 ParameterCount;
1272 __le16 ParameterOffset;
1277 __le16 SubCommand; /* one setup word */
1280 __le16 InformationLevel;
1283 } __attribute__((packed)) TRANSACTION2_QPI_REQ;
1285 typedef struct smb_com_transaction2_qpi_rsp {
1286 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1287 struct trans2_resp t2;
1289 __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */
1290 } __attribute__((packed)) TRANSACTION2_QPI_RSP;
1292 typedef struct smb_com_transaction2_spi_req {
1293 struct smb_hdr hdr; /* wct = 15 */
1294 __le16 TotalParameterCount;
1295 __le16 TotalDataCount;
1296 __le16 MaxParameterCount;
1297 __le16 MaxDataCount;
1303 __le16 ParameterCount;
1304 __le16 ParameterOffset;
1309 __le16 SubCommand; /* one setup word */
1313 __le16 InformationLevel;
1316 } __attribute__((packed)) TRANSACTION2_SPI_REQ;
1318 typedef struct smb_com_transaction2_spi_rsp {
1319 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1320 struct trans2_resp t2;
1322 __u16 Reserved2; /* parameter word reserved - present for infolevels > 100 */
1323 } __attribute__((packed)) TRANSACTION2_SPI_RSP;
1325 struct set_file_rename {
1326 __le32 overwrite; /* 1 = overwrite dest */
1327 __u32 root_fid; /* zero */
1328 __le32 target_name_len;
1329 char target_name[0]; /* Must be unicode */
1330 } __attribute__((packed));
1332 struct smb_com_transaction2_sfi_req {
1333 struct smb_hdr hdr; /* wct = 15 */
1334 __le16 TotalParameterCount;
1335 __le16 TotalDataCount;
1336 __le16 MaxParameterCount;
1337 __le16 MaxDataCount;
1343 __le16 ParameterCount;
1344 __le16 ParameterOffset;
1349 __le16 SubCommand; /* one setup word */
1354 __le16 InformationLevel;
1356 } __attribute__((packed));
1358 struct smb_com_transaction2_sfi_rsp {
1359 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1360 struct trans2_resp t2;
1362 __u16 Reserved2; /* parameter word reserved -
1363 present for infolevels > 100 */
1364 } __attribute__((packed));
1366 struct smb_t2_qfi_req {
1368 struct trans2_req t2;
1371 __le16 InformationLevel;
1372 } __attribute__((packed));
1374 struct smb_t2_qfi_rsp {
1375 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1376 struct trans2_resp t2;
1378 __u16 Reserved2; /* parameter word reserved -
1379 present for infolevels > 100 */
1380 } __attribute__((packed));
1383 * Flags on T2 FINDFIRST and FINDNEXT
1385 #define CIFS_SEARCH_CLOSE_ALWAYS 0x0001
1386 #define CIFS_SEARCH_CLOSE_AT_END 0x0002
1387 #define CIFS_SEARCH_RETURN_RESUME 0x0004
1388 #define CIFS_SEARCH_CONTINUE_FROM_LAST 0x0008
1389 #define CIFS_SEARCH_BACKUP_SEARCH 0x0010
1392 * Size of the resume key on FINDFIRST and FINDNEXT calls
1394 #define CIFS_SMB_RESUME_KEY_SIZE 4
1396 typedef struct smb_com_transaction2_ffirst_req {
1397 struct smb_hdr hdr; /* wct = 15 */
1398 __le16 TotalParameterCount;
1399 __le16 TotalDataCount;
1400 __le16 MaxParameterCount;
1401 __le16 MaxDataCount;
1407 __le16 ParameterCount;
1408 __le16 ParameterOffset;
1411 __u8 SetupCount; /* one */
1413 __le16 SubCommand; /* TRANS2_FIND_FIRST */
1416 __le16 SearchAttributes;
1419 __le16 InformationLevel;
1420 __le32 SearchStorageType;
1422 } __attribute__((packed)) TRANSACTION2_FFIRST_REQ;
1424 typedef struct smb_com_transaction2_ffirst_rsp {
1425 struct smb_hdr hdr; /* wct = 10 */
1426 struct trans2_resp t2;
1428 } __attribute__((packed)) TRANSACTION2_FFIRST_RSP;
1430 typedef struct smb_com_transaction2_ffirst_rsp_parms {
1434 __le16 EAErrorOffset;
1435 __le16 LastNameOffset;
1436 } __attribute__((packed)) T2_FFIRST_RSP_PARMS;
1438 typedef struct smb_com_transaction2_fnext_req {
1439 struct smb_hdr hdr; /* wct = 15 */
1440 __le16 TotalParameterCount;
1441 __le16 TotalDataCount;
1442 __le16 MaxParameterCount;
1443 __le16 MaxDataCount;
1449 __le16 ParameterCount;
1450 __le16 ParameterOffset;
1453 __u8 SetupCount; /* one */
1455 __le16 SubCommand; /* TRANS2_FIND_NEXT */
1460 __le16 InformationLevel;
1463 char ResumeFileName[1];
1464 } __attribute__((packed)) TRANSACTION2_FNEXT_REQ;
1466 typedef struct smb_com_transaction2_fnext_rsp {
1467 struct smb_hdr hdr; /* wct = 10 */
1468 struct trans2_resp t2;
1470 } __attribute__((packed)) TRANSACTION2_FNEXT_RSP;
1472 typedef struct smb_com_transaction2_fnext_rsp_parms {
1475 __le16 EAErrorOffset;
1476 __le16 LastNameOffset;
1477 } __attribute__((packed)) T2_FNEXT_RSP_PARMS;
1479 /* QFSInfo Levels */
1480 #define SMB_INFO_ALLOCATION 1
1481 #define SMB_INFO_VOLUME 2
1482 #define SMB_QUERY_FS_VOLUME_INFO 0x102
1483 #define SMB_QUERY_FS_SIZE_INFO 0x103
1484 #define SMB_QUERY_FS_DEVICE_INFO 0x104
1485 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
1486 #define SMB_QUERY_CIFS_UNIX_INFO 0x200
1487 #define SMB_QUERY_POSIX_FS_INFO 0x201
1488 #define SMB_QUERY_LABEL_INFO 0x3ea
1489 #define SMB_QUERY_FS_QUOTA_INFO 0x3ee
1490 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
1491 #define SMB_QUERY_OBJECTID_INFO 0x3f0
1493 typedef struct smb_com_transaction2_qfsi_req {
1494 struct smb_hdr hdr; /* wct = 14+ */
1495 __le16 TotalParameterCount;
1496 __le16 TotalDataCount;
1497 __le16 MaxParameterCount;
1498 __le16 MaxDataCount;
1504 __le16 ParameterCount;
1505 __le16 ParameterOffset;
1510 __le16 SubCommand; /* one setup word */
1513 __le16 InformationLevel;
1514 } __attribute__((packed)) TRANSACTION2_QFSI_REQ;
1516 typedef struct smb_com_transaction_qfsi_rsp {
1517 struct smb_hdr hdr; /* wct = 10 + SetupCount */
1518 struct trans2_resp t2;
1520 __u8 Pad; /* may be three bytes *//* followed by data area */
1521 } __attribute__((packed)) TRANSACTION2_QFSI_RSP;
1524 /* SETFSInfo Levels */
1525 #define SMB_SET_CIFS_UNIX_INFO 0x200
1526 typedef struct smb_com_transaction2_setfsi_req {
1527 struct smb_hdr hdr; /* wct = 15 */
1528 __le16 TotalParameterCount;
1529 __le16 TotalDataCount;
1530 __le16 MaxParameterCount;
1531 __le16 MaxDataCount;
1537 __le16 ParameterCount; /* 4 */
1538 __le16 ParameterOffset;
1539 __le16 DataCount; /* 12 */
1541 __u8 SetupCount; /* one */
1543 __le16 SubCommand; /* TRANS2_SET_FS_INFORMATION */
1546 __u16 FileNum; /* Parameters start. */
1547 __le16 InformationLevel;/* Parameters end. */
1548 __le16 ClientUnixMajor; /* Data start. */
1549 __le16 ClientUnixMinor;
1550 __le64 ClientUnixCap; /* Data end */
1551 } __attribute__((packed)) TRANSACTION2_SETFSI_REQ;
1553 typedef struct smb_com_transaction2_setfsi_rsp {
1554 struct smb_hdr hdr; /* wct = 10 */
1555 struct trans2_resp t2;
1557 } __attribute__((packed)) TRANSACTION2_SETFSI_RSP;
1560 typedef struct smb_com_transaction2_get_dfs_refer_req {
1561 struct smb_hdr hdr; /* wct = 15 */
1562 __le16 TotalParameterCount;
1563 __le16 TotalDataCount;
1564 __le16 MaxParameterCount;
1565 __le16 MaxDataCount;
1571 __le16 ParameterCount;
1572 __le16 ParameterOffset;
1577 __le16 SubCommand; /* one setup word */
1579 __u8 Pad[3]; /* Win2K has sent 0x0F01 (max resp length perhaps?) followed by one byte pad - doesn't seem to matter though */
1580 __le16 MaxReferralLevel;
1581 char RequestFileName[1];
1582 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_REQ;
1584 typedef struct dfs_referral_level_3 {
1585 __le16 VersionNumber;
1586 __le16 ReferralSize;
1587 __le16 ServerType; /* 0x0001 = CIFS server */
1588 __le16 ReferralFlags; /* or proximity - not clear which since always set to zero - SNIA spec says 0x01 means strip off PathConsumed chars before submitting RequestFileName to remote node */
1591 __le16 DfsPathOffset;
1592 __le16 DfsAlternatePathOffset;
1593 __le16 NetworkAddressOffset;
1594 } __attribute__((packed)) REFERRAL3;
1596 typedef struct smb_com_transaction_get_dfs_refer_rsp {
1597 struct smb_hdr hdr; /* wct = 10 */
1598 struct trans2_resp t2;
1601 __le16 PathConsumed;
1602 __le16 NumberOfReferrals;
1605 REFERRAL3 referrals[1]; /* array of level 3 dfs_referral structures */
1606 /* followed by the strings pointed to by the referral structures */
1607 } __attribute__((packed)) TRANSACTION2_GET_DFS_REFER_RSP;
1610 #define DFSREF_REFERRAL_SERVER 0x0001
1611 #define DFSREF_STORAGE_SERVER 0x0002
1613 /* IOCTL information */
1614 /* List of ioctl function codes that look to be of interest to remote clients like this. */
1615 /* Need to do some experimentation to make sure they all work remotely. */
1616 /* Some of the following such as the encryption/compression ones would be */
1617 /* invoked from tools via a specialized hook into the VFS rather than via the */
1618 /* standard vfs entry points */
1619 #define FSCTL_REQUEST_OPLOCK_LEVEL_1 0x00090000
1620 #define FSCTL_REQUEST_OPLOCK_LEVEL_2 0x00090004
1621 #define FSCTL_REQUEST_BATCH_OPLOCK 0x00090008
1622 #define FSCTL_LOCK_VOLUME 0x00090018
1623 #define FSCTL_UNLOCK_VOLUME 0x0009001C
1624 #define FSCTL_GET_COMPRESSION 0x0009003C
1625 #define FSCTL_SET_COMPRESSION 0x0009C040
1626 #define FSCTL_REQUEST_FILTER_OPLOCK 0x0009008C
1627 #define FSCTL_FILESYS_GET_STATISTICS 0x00090090
1628 #define FSCTL_SET_REPARSE_POINT 0x000900A4
1629 #define FSCTL_GET_REPARSE_POINT 0x000900A8
1630 #define FSCTL_DELETE_REPARSE_POINT 0x000900AC
1631 #define FSCTL_SET_SPARSE 0x000900C4
1632 #define FSCTL_SET_ZERO_DATA 0x000900C8
1633 #define FSCTL_SET_ENCRYPTION 0x000900D7
1634 #define FSCTL_ENCRYPTION_FSCTL_IO 0x000900DB
1635 #define FSCTL_WRITE_RAW_ENCRYPTED 0x000900DF
1636 #define FSCTL_READ_RAW_ENCRYPTED 0x000900E3
1637 #define FSCTL_SIS_COPYFILE 0x00090100
1638 #define FSCTL_SIS_LINK_FILES 0x0009C104
1640 #define IO_REPARSE_TAG_MOUNT_POINT 0xA0000003
1641 #define IO_REPARSE_TAG_HSM 0xC0000004
1642 #define IO_REPARSE_TAG_SIS 0x80000007
1645 ************************************************************************
1646 * All structs for everything above the SMB PDUs themselves
1647 * (such as the T2 level specific data) go here
1648 ************************************************************************
1652 * Information on a server
1657 unsigned char versionMajor;
1658 unsigned char versionMinor;
1660 unsigned int commentOffset;
1661 } __attribute__((packed));
1664 * The following structure is the format of the data returned on a NetShareEnum
1665 * with level "90" (x5A)
1671 unsigned short type;
1672 unsigned int commentOffset;
1673 } __attribute__((packed));
1678 unsigned int commentOffset;
1679 unsigned char type[2];
1680 } __attribute__((packed));
1682 struct aliasInfo92 {
1683 int aliasNameOffset;
1684 int serverNameOffset;
1685 int shareNameOffset;
1686 } __attribute__((packed));
1689 __le64 TotalAllocationUnits;
1690 __le64 FreeAllocationUnits;
1691 __le32 SectorsPerAllocationUnit;
1692 __le32 BytesPerSector;
1693 } __attribute__((packed)) FILE_SYSTEM_INFO; /* size info, level 0x103 */
1697 __le32 SectorsPerAllocationUnit;
1698 __le32 TotalAllocationUnits;
1699 __le32 FreeAllocationUnits;
1700 __le16 BytesPerSector;
1701 } __attribute__((packed)) FILE_SYSTEM_ALLOC_INFO;
1704 __le16 MajorVersionNumber;
1705 __le16 MinorVersionNumber;
1707 } __attribute__((packed)) FILE_SYSTEM_UNIX_INFO; /* Unix extensions info, level 0x200 */
1709 /* Version numbers for CIFS UNIX major and minor. */
1710 #define CIFS_UNIX_MAJOR_VERSION 1
1711 #define CIFS_UNIX_MINOR_VERSION 0
1713 /* Linux/Unix extensions capability flags */
1714 #define CIFS_UNIX_FCNTL_CAP 0x00000001 /* support for fcntl locks */
1715 #define CIFS_UNIX_POSIX_ACL_CAP 0x00000002 /* support getfacl/setfacl */
1716 #define CIFS_UNIX_XATTR_CAP 0x00000004 /* support new namespace */
1717 #define CIFS_UNIX_EXTATTR_CAP 0x00000008 /* support chattr/chflag */
1718 #define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x00000010 /* Use POSIX pathnames on the wire. */
1720 #define CIFS_POSIX_EXTENSIONS 0x00000010 /* support for new QFSInfo */
1723 /* For undefined recommended transfer size return -1 in that field */
1724 __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */
1726 /* The next three fields are in terms of the block size.
1727 (above). If block size is unknown, 4096 would be a
1728 reasonable block size for a server to report.
1729 Note that returning the blocks/blocksavail removes need
1730 to make a second call (to QFSInfo level 0x103 to get this info.
1731 UserBlockAvail is typically less than or equal to BlocksAvail,
1732 if no distinction is made return the same value in each */
1734 __le64 BlocksAvail; /* bfree */
1735 __le64 UserBlocksAvail; /* bavail */
1736 /* For undefined Node fields or FSID return -1 */
1737 __le64 TotalFileNodes;
1738 __le64 FreeFileNodes;
1739 __le64 FileSysIdentifier; /* fsid */
1740 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
1741 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
1742 } __attribute__((packed)) FILE_SYSTEM_POSIX_INFO;
1744 /* DeviceType Flags */
1745 #define FILE_DEVICE_CD_ROM 0x00000002
1746 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003
1747 #define FILE_DEVICE_DFS 0x00000006
1748 #define FILE_DEVICE_DISK 0x00000007
1749 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008
1750 #define FILE_DEVICE_FILE_SYSTEM 0x00000009
1751 #define FILE_DEVICE_NAMED_PIPE 0x00000011
1752 #define FILE_DEVICE_NETWORK 0x00000012
1753 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
1754 #define FILE_DEVICE_NULL 0x00000015
1755 #define FILE_DEVICE_PARALLEL_PORT 0x00000016
1756 #define FILE_DEVICE_PRINTER 0x00000018
1757 #define FILE_DEVICE_SERIAL_PORT 0x0000001b
1758 #define FILE_DEVICE_STREAMS 0x0000001e
1759 #define FILE_DEVICE_TAPE 0x0000001f
1760 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020
1761 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024
1762 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028
1766 __le32 DeviceCharacteristics;
1767 } __attribute__((packed)) FILE_SYSTEM_DEVICE_INFO; /* device info, level 0x104 */
1771 __le32 MaxPathNameComponentLength;
1772 __le32 FileSystemNameLen;
1773 char FileSystemName[52]; /* do not really need to save this - so potentially get only subset of name */
1774 } __attribute__((packed)) FILE_SYSTEM_ATTRIBUTE_INFO;
1776 /******************************************************************************/
1777 /* QueryFileInfo/QueryPathinfo (also for SetPath/SetFile) data buffer formats */
1778 /******************************************************************************/
1779 typedef struct { /* data block encoding of response to level 263 QPathInfo */
1780 __le64 CreationTime;
1781 __le64 LastAccessTime;
1782 __le64 LastWriteTime;
1786 __le64 AllocationSize;
1787 __le64 EndOfFile; /* size ie offset to first free byte in file */
1788 __le32 NumberOfLinks; /* hard links */
1796 __le64 CurrentByteOffset;
1798 __le32 AlignmentRequirement;
1799 __le32 FileNameLength;
1801 } __attribute__((packed)) FILE_ALL_INFO; /* level 0x107 QPathInfo */
1803 /* defines for enumerating possible values of the Unix type field below */
1806 #define UNIX_SYMLINK 2
1807 #define UNIX_CHARDEV 3
1808 #define UNIX_BLOCKDEV 4
1810 #define UNIX_SOCKET 6
1814 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
1815 __le64 LastAccessTime;
1816 __le64 LastModificationTime;
1825 } __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
1829 } __attribute__((packed)) FILE_UNIX_LINK_INFO; /* level 0x201 QPathInfo */
1831 /* The following three structures are needed only for
1832 setting time to NT4 and some older servers via
1833 the primitive DOS time format */
1838 } __attribute__((packed)) SMB_DATE;
1844 } __attribute__((packed)) SMB_TIME;
1847 __le16 CreationDate; /* SMB Date see above */
1848 __le16 CreationTime; /* SMB Time */
1849 __le16 LastAccessDate;
1850 __le16 LastAccessTime;
1851 __le16 LastWriteDate;
1852 __le16 LastWriteTime;
1853 __le32 DataSize; /* File Size (EOF) */
1854 __le32 AllocationSize;
1855 __le16 Attributes; /* verify not u32 */
1857 } __attribute__((packed)) FILE_INFO_STANDARD; /* level 1 SetPath/FileInfo */
1860 __le64 CreationTime;
1861 __le64 LastAccessTime;
1862 __le64 LastWriteTime;
1866 } __attribute__((packed)) FILE_BASIC_INFO; /* size info, level 0x101 */
1868 struct file_allocation_info {
1869 __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
1870 } __attribute__((packed)); /* size used on disk, level 0x103 for set, 0x105 for query */
1872 struct file_end_of_file_info {
1873 __le64 FileSize; /* offset to end of file */
1874 } __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */
1876 struct file_alt_name_info {
1878 } __attribute__((packed)); /* level 0x0108 */
1880 struct file_stream_info {
1881 __le32 number_of_streams; /* BB check sizes and verify location */
1882 /* followed by info on streams themselves
1886 }; /* level 0x109 */
1888 struct file_compression_info {
1889 __le64 compressed_size;
1895 } __attribute__((packed)); /* level 0x10b */
1897 /* POSIX ACL set/query path info structures */
1898 #define CIFS_ACL_VERSION 1
1899 struct cifs_posix_ace { /* access control entry (ACE) */
1902 __le64 cifs_uid; /* or gid */
1903 } __attribute__((packed));
1905 struct cifs_posix_acl { /* access conrol list (ACL) */
1907 __le16 access_entry_count; /* access ACL - count of entries */
1908 __le16 default_entry_count; /* default ACL - count of entries */
1909 struct cifs_posix_ace ace_array[0];
1911 struct cifs_posix_ace default_ace_arraay[] */
1912 } __attribute__((packed)); /* level 0x204 */
1914 /* types of access control entries already defined in posix_acl.h */
1915 /* #define CIFS_POSIX_ACL_USER_OBJ 0x01
1916 #define CIFS_POSIX_ACL_USER 0x02
1917 #define CIFS_POSIX_ACL_GROUP_OBJ 0x04
1918 #define CIFS_POSIX_ACL_GROUP 0x08
1919 #define CIFS_POSIX_ACL_MASK 0x10
1920 #define CIFS_POSIX_ACL_OTHER 0x20 */
1922 /* types of perms */
1923 /* #define CIFS_POSIX_ACL_EXECUTE 0x01
1924 #define CIFS_POSIX_ACL_WRITE 0x02
1925 #define CIFS_POSIX_ACL_READ 0x04 */
1927 /* end of POSIX ACL definitions */
1929 struct file_internal_info {
1930 __u64 UniqueId; /* inode number */
1931 } __attribute__((packed)); /* level 0x3ee */
1932 struct file_mode_info {
1934 } __attribute__((packed)); /* level 0x3f8 */
1936 struct file_attrib_tag {
1939 } __attribute__((packed)); /* level 0x40b */
1942 /********************************************************/
1943 /* FindFirst/FindNext transact2 data buffer formats */
1944 /********************************************************/
1947 __le32 NextEntryOffset;
1948 __u32 ResumeKey; /* as with FileIndex - no need to convert */
1951 __le64 LastStatusChange; /*SNIA specs DCE time for the 3 time fields */
1952 __le64 LastAccessTime;
1953 __le64 LastModificationTime;
1963 } __attribute__((packed)) FILE_UNIX_INFO; /* level 0x202 */
1966 __le32 NextEntryOffset;
1968 __le64 CreationTime;
1969 __le64 LastAccessTime;
1970 __le64 LastWriteTime;
1973 __le64 AllocationSize;
1974 __le32 ExtFileAttributes;
1975 __le32 FileNameLength;
1977 } __attribute__((packed)) FILE_DIRECTORY_INFO; /* level 0x101 FF response data area */
1980 __le32 NextEntryOffset;
1982 __le64 CreationTime;
1983 __le64 LastAccessTime;
1984 __le64 LastWriteTime;
1987 __le64 AllocationSize;
1988 __le32 ExtFileAttributes;
1989 __le32 FileNameLength;
1990 __le32 EaSize; /* length of the xattrs */
1992 } __attribute__((packed)) FILE_FULL_DIRECTORY_INFO; /* level 0x102 FF response data area */
1995 __le32 NextEntryOffset;
1997 __le64 CreationTime;
1998 __le64 LastAccessTime;
1999 __le64 LastWriteTime;
2002 __le64 AllocationSize;
2003 __le32 ExtFileAttributes;
2004 __le32 FileNameLength;
2005 __le32 EaSize; /* EA size */
2007 __u64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
2009 } __attribute__((packed)) SEARCH_ID_FULL_DIR_INFO; /* level 0x105 FF response data area */
2012 __le32 NextEntryOffset;
2014 __le64 CreationTime;
2015 __le64 LastAccessTime;
2016 __le64 LastWriteTime;
2019 __le64 AllocationSize;
2020 __le32 ExtFileAttributes;
2021 __le32 FileNameLength;
2022 __le32 EaSize; /* length of the xattrs */
2023 __u8 ShortNameLength;
2027 } __attribute__((packed)) FILE_BOTH_DIRECTORY_INFO; /* level 0x104 FF response data area */
2031 unsigned char type[8]; /* IntxCHR or IntxBLK */
2034 } __attribute__((packed));
2037 unsigned char name_len;
2039 } __attribute__((packed));
2042 unsigned long list_len;
2044 } __attribute__((packed));
2047 unsigned char EA_flags;
2051 /* optionally followed by value */
2052 } __attribute__((packed));
2053 /* flags for _FEA.fEA */
2054 #define FEA_NEEDEA 0x80 /* need EA bit */
2059 } __attribute__((packed));
2061 /* used to hold an arbitrary blob of data */
2065 void (*free) (struct data_blob * data_blob);
2066 } __attribute__((packed));
2069 #ifdef CONFIG_CIFS_POSIX
2071 For better POSIX semantics from Linux client, (even better
2072 than the existing CIFS Unix Extensions) we need updated PDUs for:
2074 1) PosixCreateX - to set and return the mode, inode#, device info and
2075 perhaps add a CreateDevice - to create Pipes and other special .inodes
2076 Also note POSIX open flags
2077 2) Close - to return the last write time to do cache across close more safely
2078 3) FindFirst return unique inode number - what about resume key, two
2079 forms short (matches readdir) and full (enough info to cache inodes)
2082 And under consideration:
2083 5) FindClose2 (return nanosecond timestamp ??)
2084 6) Use nanosecond timestamps throughout all time fields if
2085 corresponding attribute flag is set
2086 7) sendfile - handle based copy
2090 what about fixing 64 bit alignment
2092 There are also various legacy SMB/CIFS requests used as is
2094 From existing Lanman and NTLM dialects:
2095 --------------------------------------
2097 SESSION_SETUP_ANDX (BB which?)
2098 TREE_CONNECT_ANDX (BB which wct?)
2099 TREE_DISCONNECT (BB add volume timestamp on response)
2101 DELETE (note delete open file behavior)
2105 LOCKING_AND_X (note posix lock semantics)
2106 RENAME (note rename across dirs and open file rename posix behaviors)
2107 NT_RENAME (for hardlinks) Is this good enough for all features?
2109 TRANSACTION2 (18 cases)
2110 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
2111 (BB verify that never need to set allocation size)
2112 SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via Unix ext?)
2114 COPY (note support for copy across directories) - FUTURE, OPTIONAL
2115 setting/getting OS/2 EAs - FUTURE (BB can this handle
2116 setting Linux xattrs perfectly) - OPTIONAL
2117 dnotify - FUTURE, OPTIONAL
2118 quota - FUTURE, OPTIONAL
2120 Note that various requests implemented for NT interop such as
2121 NT_TRANSACT (IOCTL) QueryReparseInfo
2122 are unneeded to servers compliant with the CIFS POSIX extensions
2124 From CIFS Unix Extensions:
2125 -------------------------
2126 T2 SET_PATH_INFO (SMB_SET_FILE_UNIX_LINK) for symlinks
2127 T2 SET_PATH_INFO (SMB_SET_FILE_BASIC_INFO2)
2128 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_LINK)
2129 T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) - BB check for missing inode fields
2130 Actually need QUERY_FILE_UNIX_INFO since has inode num
2131 BB what about a) blksize/blkbits/blocks
2137 T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
2138 TRANS2_GET_DFS_REFERRAL - OPTIONAL but recommended
2139 T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
2144 /* xsymlink is a symlink format (used by MacOS) that can be used
2145 to save symlink info in a regular file when
2146 mounted to operating systems that do not
2147 support the cifs Unix extensions or EAs (for xattr
2148 based symlinks). For such a file to be recognized
2149 as containing symlink data:
2151 1) file size must be 1067,
2152 2) signature must begin file data,
2153 3) length field must be set to ASCII representation
2154 of a number which is less than or equal to 1024,
2155 4) md5 must match that of the path data */
2159 char signature[4]; /* XSym */ /* not null terminated */
2161 /* ASCII representation of length (4 bytes decimal) terminated by \n not null */
2164 /* md5 of valid subset of path ie path[0] through path[length-1] */
2167 /* if room left, then end with \n then 0x20s by convention but not required */
2169 } __attribute__((packed));
2171 typedef struct file_xattr_info {
2172 /* BB do we need another field for flags? BB */
2173 __u32 xattr_name_len;
2174 __u32 xattr_value_len;
2176 /* followed by xattr_value[xattr_value_len], no pad */
2177 } __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute, info level 0x205 */
2180 /* flags for chattr command */
2181 #define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */
2182 #define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */
2183 /* Reserved for compress file 0x4 */
2184 #define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */
2185 #define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */
2186 #define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */
2187 #define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */
2188 #define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */
2189 /* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */
2190 #define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */
2191 /* 0x2000 reserved for IMAGIC_FL */
2192 #define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */
2193 /* 0x8000 reserved for EXT3_NOTAIL_FL */
2194 #define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */
2195 #define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */
2197 #define EXT_SET_MASK 0x000300FF
2198 #define EXT_GET_MASK 0x0003DFFF
2200 typedef struct file_chattr_info {
2201 __le64 mask; /* list of all possible attribute bits */
2202 __le64 mode; /* list of actual attribute bits on this inode */
2203 } __attribute__((packed)) FILE_CHATTR_INFO; /* ext attributes (chattr, chflags) level 0x206 */
2207 #endif /* _CIFSPDU_H */