2 Unix SMB/CIFS implementation.
3 SMB transaction2 handling
4 Copyright (C) Jeremy Allison 1994-2002.
6 Extensively modified by Andrew Tridgell, 1995
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 /* Define the structures needed for the trans2 calls. */
28 /*******************************************************
29 For DosFindFirst/DosFindNext - level 1
37 typedef struct _FILEFINDBUF {
38 Byte offset Type name description
39 -------------+-------+-------------------+--------------
40 0 FDATE fdateCreation;
41 2 FTIME ftimeCreation;
42 4 FDATE fdateLastAccess;
43 6 FTIME ftimeLastAccess;
44 8 FDATE fdateLastWrite;
45 10 FTIME ftimeLastWrite;
46 12 ULONG cbFile file length in bytes
47 16 ULONG cbFileAlloc size of file allocation unit
49 22 UCHAR cchName length of name to follow (not including zero)
50 23 UCHAR achName[MAXFILENAMELEN]; Null terminated name
52 *********************************************************/
54 #define l1_fdateCreation 0
55 #define l1_fdateLastAccess 4
56 #define l1_fdateLastWrite 8
58 #define l1_cbFileAlloc 16
59 #define l1_attrFile 20
63 /**********************************************************
64 For DosFindFirst/DosFindNext - level 2
66 typedef struct _FILEFINDBUF2 {
67 Byte offset Type name description
68 -------------+-------+-------------------+--------------
69 0 FDATE fdateCreation;
70 2 FTIME ftimeCreation;
71 4 FDATE fdateLastAccess;
72 6 FTIME ftimeLastAccess;
73 8 FDATE fdateLastWrite;
74 10 FTIME ftimeLastWrite;
75 12 ULONG cbFile file length in bytes
76 16 ULONG cbFileAlloc size of file allocation unit
78 22 ULONG cbList Extended attribute list (always 0)
79 26 UCHAR cchName length of name to follow (not including zero)
80 27 UCHAR achName[MAXFILENAMELEN]; Null terminated name
82 *************************************************************/
84 #define l2_fdateCreation 0
85 #define l2_fdateLastAccess 4
86 #define l2_fdateLastWrite 8
88 #define l2_cbFileAlloc 16
89 #define l2_attrFile 20
95 /**********************************************************
96 For DosFindFirst/DosFindNext - level 260
98 typedef struct _FILEFINDBUF260 {
99 Byte offset Type name description
100 -------------+-------+-------------------+--------------
101 0 ULONG NextEntryOffset;
103 8 LARGE_INTEGER CreationTime;
104 16 LARGE_INTEGER LastAccessTime;
105 24 LARGE_INTEGER LastWriteTime;
106 32 LARGE_INTEGER ChangeTime;
107 40 LARGE_INTEGER EndOfFile;
108 48 LARGE_INTEGER AllocationSize;
109 56 ULONG FileAttributes;
110 60 ULONG FileNameLength;
112 68 CHAR ShortNameLength;
113 70 UNICODE ShortName[12];
114 94 UNICODE FileName[];
115 *************************************************************/
117 #define l260_achName 94
120 /**********************************************************
121 For DosQueryPathInfo/DosQueryFileInfo/DosSetPathInfo/
122 DosSetFileInfo - level 1
124 typedef struct _FILESTATUS {
125 Byte offset Type name description
126 -------------+-------+-------------------+--------------
127 0 FDATE fdateCreation;
128 2 FTIME ftimeCreation;
129 4 FDATE fdateLastAccess;
130 6 FTIME ftimeLastAccess;
131 8 FDATE fdateLastWrite;
132 10 FTIME ftimeLastWrite;
133 12 ULONG cbFile file length in bytes
134 16 ULONG cbFileAlloc size of file allocation unit
137 *************************************************************/
139 /* Use the l1_ defines from DosFindFirst */
141 /**********************************************************
142 For DosQueryPathInfo/DosQueryFileInfo/DosSetPathInfo/
143 DosSetFileInfo - level 2
145 typedef struct _FILESTATUS2 {
146 Byte offset Type name description
147 -------------+-------+-------------------+--------------
148 0 FDATE fdateCreation;
149 2 FTIME ftimeCreation;
150 4 FDATE fdateLastAccess;
151 6 FTIME ftimeLastAccess;
152 8 FDATE fdateLastWrite;
153 10 FTIME ftimeLastWrite;
154 12 ULONG cbFile file length in bytes
155 16 ULONG cbFileAlloc size of file allocation unit
157 22 ULONG cbList Length of EA's (0)
159 *************************************************************/
161 /* Use the l2_ #defines from DosFindFirst */
163 /**********************************************************
164 For DosQFSInfo/DosSetFSInfo - level 1
166 typedef struct _FSALLOCATE {
167 Byte offset Type name description
168 -------------+-------+-------------------+--------------
169 0 ULONG idFileSystem id of file system
170 4 ULONG cSectorUnit number of sectors per allocation unit
171 8 ULONG cUnit number of allocation units
172 12 ULONG cUnitAvail Available allocation units
173 16 USHORT cbSector bytes per sector
175 *************************************************************/
177 #define l1_idFileSystem 0
178 #define l1_cSectorUnit 4
180 #define l1_cUnitAvail 12
181 #define l1_cbSector 16
183 /**********************************************************
184 For DosQFSInfo/DosSetFSInfo - level 2
186 typedef struct _FSINFO {
187 Byte offset Type name description
188 -------------+-------+-------------------+--------------
189 0 FDATE vol_fdateCreation
190 2 FTIME vol_ftimeCreation
191 4 UCHAR vol_cch length of volume name (excluding NULL)
192 5 UCHAR vol_szVolLabel[12] volume name
194 *************************************************************/
196 #define SMB_INFO_STANDARD 1 /* FILESTATUS3 struct */
197 #define SMB_INFO_SET_EA 2 /* EAOP2 struct, only valid on set not query */
198 #define SMB_INFO_QUERY_EA_SIZE 2 /* FILESTATUS4 struct, only valid on query not set */
199 #define SMB_INFO_QUERY_EAS_FROM_LIST 3 /* only valid on query not set */
200 #define SMB_INFO_QUERY_ALL_EAS 4 /* only valid on query not set */
201 #define SMB_INFO_IS_NAME_VALID 6
202 #define SMB_INFO_STANDARD_LONG 11 /* similar to level 1, ie struct FileStatus3 */
203 #define SMB_QUERY_EA_SIZE_LONG 12 /* similar to level 2, ie struct FileStatus4 */
204 #define SMB_QUERY_FS_LABEL_INFO 0x101
205 #define SMB_QUERY_FS_VOLUME_INFO 0x102
206 #define SMB_QUERY_FS_SIZE_INFO 0x103
207 #define SMB_QUERY_FS_DEVICE_INFO 0x104
208 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
210 #define SMB_QUERY_FS_QUOTA_INFO
213 #define l2_vol_fdateCreation 0
215 #define l2_vol_szVolLabel 5
218 #define SMB_QUERY_FILE_BASIC_INFO 0x101
219 #define SMB_QUERY_FILE_STANDARD_INFO 0x102
220 #define SMB_QUERY_FILE_EA_INFO 0x103
221 #define SMB_QUERY_FILE_NAME_INFO 0x104
222 #define SMB_QUERY_FILE_ALLOCATION_INFO 0x105
223 #define SMB_QUERY_FILE_END_OF_FILEINFO 0x106
224 #define SMB_QUERY_FILE_ALL_INFO 0x107
225 #define SMB_QUERY_FILE_ALT_NAME_INFO 0x108
226 #define SMB_QUERY_FILE_STREAM_INFO 0x109
227 #define SMB_QUERY_COMPRESSION_INFO 0x10b
229 #define SMB_FIND_INFO_STANDARD 1
230 #define SMB_FIND_EA_SIZE 2
231 #define SMB_FIND_EA_LIST 3
232 #define SMB_FIND_FILE_DIRECTORY_INFO 0x101
233 #define SMB_FIND_FILE_FULL_DIRECTORY_INFO 0x102
234 #define SMB_FIND_FILE_NAMES_INFO 0x103
235 #define SMB_FIND_FILE_BOTH_DIRECTORY_INFO 0x104
236 #define SMB_FIND_ID_FULL_DIRECTORY_INFO 0x105
237 #define SMB_FIND_ID_BOTH_DIRECTORY_INFO 0x106
239 #define SMB_SET_FILE_BASIC_INFO 0x101
240 #define SMB_SET_FILE_DISPOSITION_INFO 0x102
241 #define SMB_SET_FILE_ALLOCATION_INFO 0x103
242 #define SMB_SET_FILE_END_OF_FILE_INFO 0x104
245 #define SMB_INFO_ALLOCATION 1
246 #define SMB_INFO_VOLUME 2
249 * Thursby MAC extensions....
253 * MAC CIFS Extensions have the range 0x300 - 0x2FF reserved.
254 * Supposedly Microsoft have agreed to this.
257 #define MIN_MAC_INFO_LEVEL 0x300
258 #define MAX_MAC_INFO_LEVEL 0x3FF
260 #define SMB_MAC_QUERY_FS_INFO 0x301
262 #define DIRLEN_GUESS (45+MAX(l1_achName,l2_achName))
265 * DeviceType and Characteristics returned in a
266 * SMB_QUERY_FS_DEVICE_INFO call.
269 #define DEVICETYPE_CD_ROM 0x2
270 #define DEVICETYPE_CD_ROM_FILE_SYSTEM 0x3
271 #define DEVICETYPE_DISK 0x7
272 #define DEVICETYPE_DISK_FILE_SYSTEM 0x8
273 #define DEVICETYPE_FILE_SYSTEM 0x9
275 /* Characteristics. */
276 #define TYPE_REMOVABLE_MEDIA 0x1
277 #define TYPE_READ_ONLY_DEVICE 0x2
278 #define TYPE_FLOPPY 0x4
279 #define TYPE_WORM 0x8
280 #define TYPE_REMOTE 0x10
281 #define TYPE_MOUNTED 0x20
282 #define TYPE_VIRTUAL 0x40
284 /* NT passthrough levels... */
286 #define SMB_FILE_DIRECTORY_INFORMATION 1001
287 #define SMB_FILE_FULL_DIRECTORY_INFORMATION 1002
288 #define SMB_FILE_BOTH_DIRECTORY_INFORMATION 1003
289 #define SMB_FILE_BASIC_INFORMATION 1004
290 #define SMB_FILE_STANDARD_INFORMATION 1005
291 #define SMB_FILE_INTERNAL_INFORMATION 1006
292 #define SMB_FILE_EA_INFORMATION 1007
293 #define SMB_FILE_ACCESS_INFORMATION 1008
294 #define SMB_FILE_NAME_INFORMATION 1009
295 #define SMB_FILE_RENAME_INFORMATION 1010
296 #define SMB_FILE_LINK_INFORMATION 1011
297 #define SMB_FILE_NAMES_INFORMATION 1012
298 #define SMB_FILE_DISPOSITION_INFORMATION 1013
299 #define SMB_FILE_POSITION_INFORMATION 1014
300 #define SMB_FILE_FULL_EA_INFORMATION 1015
301 #define SMB_FILE_MODE_INFORMATION 1016
302 #define SMB_FILE_ALIGNMENT_INFORMATION 1017
303 #define SMB_FILE_ALL_INFORMATION 1018
304 #define SMB_FILE_ALLOCATION_INFORMATION 1019
305 #define SMB_FILE_END_OF_FILE_INFORMATION 1020
306 #define SMB_FILE_ALTERNATE_NAME_INFORMATION 1021
307 #define SMB_FILE_STREAM_INFORMATION 1022
308 #define SMB_FILE_PIPE_INFORMATION 1023
309 #define SMB_FILE_PIPE_LOCAL_INFORMATION 1024
310 #define SMB_FILE_PIPE_REMOTE_INFORMATION 1025
311 #define SMB_FILE_MAILSLOT_QUERY_INFORMATION 1026
312 #define SMB_FILE_MAILSLOT_SET_INFORMATION 1027
313 #define SMB_FILE_COMPRESSION_INFORMATION 1028
314 #define SMB_FILE_OBJECTID_INFORMATION 1029
315 #define SMB_FILE_COMPLETION_INFORMATION 1030
316 #define SMB_FILE_MOVE_CLUSTER_INFORMATION 1031
317 #define SMB_FILE_QUOTA_INFORMATION 1032
318 #define SMB_FILE_REPARSEPOINT_INFORMATION 1033
319 #define SMB_FILE_NETWORK_OPEN_INFORMATION 1034
320 #define SMB_FILE_ATTRIBUTE_TAG_INFORMATION 1035
321 #define SMB_FILE_TRACKING_INFORMATION 1036
322 #define SMB_FILE_MAXIMUM_INFORMATION 1037
324 /* NT passthough levels for qfsinfo. */
326 #define SMB_FS_VOLUME_INFORMATION 1001
327 #define SMB_FS_LABEL_INFORMATION 1002
328 #define SMB_FS_SIZE_INFORMATION 1003
329 #define SMB_FS_DEVICE_INFORMATION 1004
330 #define SMB_FS_ATTRIBUTE_INFORMATION 1005
331 #define SMB_FS_QUOTA_INFORMATION 1006
332 #define SMB_FS_FULL_SIZE_INFORMATION 1007
333 #define SMB_FS_OBJECTID_INFORMATION 1008
335 /* flags on trans2 findfirst/findnext that control search */
336 #define FLAG_TRANS2_FIND_CLOSE 0x1
337 #define FLAG_TRANS2_FIND_CLOSE_IF_END 0x2
338 #define FLAG_TRANS2_FIND_REQUIRE_RESUME 0x4
339 #define FLAG_TRANS2_FIND_CONTINUE 0x8
340 #define FLAG_TRANS2_FIND_BACKUP_INTENT 0x10
342 /* UNIX CIFS Extensions - created by HP */
344 * UNIX CIFS Extensions have the range 0x200 - 0x2FF reserved.
345 * Supposedly Microsoft have agreed to this.
348 #define MIN_UNIX_INFO_LEVEL 0x200
349 #define MAX_UNIX_INFO_LEVEL 0x2FF
351 #define INFO_LEVEL_IS_UNIX(level) (((level) >= MIN_UNIX_INFO_LEVEL) && ((level) <= MAX_UNIX_INFO_LEVEL))
353 #define SMB_QUERY_FILE_UNIX_BASIC 0x200 /* UNIX File Info*/
354 #define SMB_SET_FILE_UNIX_BASIC 0x200
356 #define SMB_MODE_NO_CHANGE 0xFFFFFFFF /* file mode value which */
357 /* means "don't change it" */
358 #define SMB_UID_NO_CHANGE 0xFFFFFFFF
359 #define SMB_GID_NO_CHANGE 0xFFFFFFFF
361 #define SMB_SIZE_NO_CHANGE_LO 0xFFFFFFFF
362 #define SMB_SIZE_NO_CHANGE_HI 0xFFFFFFFF
364 #define SMB_TIME_NO_CHANGE_LO 0xFFFFFFFF
365 #define SMB_TIME_NO_CHANGE_HI 0xFFFFFFFF
369 0 LARGE_INTEGER EndOfFile File size
370 8 LARGE_INTEGER Blocks Number of bytes used on disk (st_blocks).
371 16 LARGE_INTEGER CreationTime Creation time
372 24 LARGE_INTEGER LastAccessTime Last access time
373 32 LARGE_INTEGER LastModificationTime Last modification time
374 40 LARGE_INTEGER Uid Numeric user id for the owner
375 48 LARGE_INTEGER Gid Numeric group id of owner
376 56 ULONG Type Enumeration specifying the pathname type:
380 3 -- Character device
382 5 -- FIFO (named pipe)
383 6 -- Unix domain socket
385 60 LARGE_INTEGER devmajor Major device number if type is device
386 68 LARGE_INTEGER devminor Minor device number if type is device
387 76 LARGE_INTEGER uniqueid This is a server-assigned unique id for the file. The client
388 will typically map this onto an inode number. The scope of
389 uniqueness is the share.
390 84 LARGE_INTEGER permissions Standard UNIX file permissions - see below.
391 92 LARGE_INTEGER nlinks The number of directory entries that map to this entry
392 (number of hard links)
397 #define SMB_FILE_UNIX_BASIC_SIZE 100
399 /* UNIX filetype mappings. */
401 #define UNIX_TYPE_FILE 0
402 #define UNIX_TYPE_DIR 1
403 #define UNIX_TYPE_SYMLINK 2
404 #define UNIX_TYPE_CHARDEV 3
405 #define UNIX_TYPE_BLKDEV 4
406 #define UNIX_TYPE_FIFO 5
407 #define UNIX_TYPE_SOCKET 6
408 #define UNIX_TYPE_UNKNOWN 0xFFFFFFFF
411 * Oh this is fun. "Standard UNIX permissions" has no
412 * meaning in POSIX. We need to define the mapping onto
413 * and off the wire as this was not done in the original HP
417 #define UNIX_X_OTH 0000001
418 #define UNIX_W_OTH 0000002
419 #define UNIX_R_OTH 0000004
420 #define UNIX_X_GRP 0000010
421 #define UNIX_W_GRP 0000020
422 #define UNIX_R_GRP 0000040
423 #define UNIX_X_USR 0000100
424 #define UNIX_W_USR 0000200
425 #define UNIX_R_USR 0000400
426 #define UNIX_STICKY 0001000
427 #define UNIX_SET_GID 0002000
428 #define UNIX_SET_UID 0004000
430 /* Masks for the above */
431 #define UNIX_OTH_MASK 0000007
432 #define UNIX_GRP_MASK 0000070
433 #define UNIX_USR_MASK 0000700
434 #define UNIX_PERM_MASK 0000777
435 #define UNIX_EXTRA_MASK 0007000
436 #define UNIX_ALL_MASK 0007777
438 #define SMB_QUERY_FILE_UNIX_LINK 0x201
439 #define SMB_SET_FILE_UNIX_LINK 0x201
440 #define SMB_SET_FILE_UNIX_HLINK 0x203
441 /* SMB_QUERY_POSIX_ACL 0x204 see below */
442 #define SMB_QUERY_XATTR 0x205 /* need for non-user XATTRs */
443 #define SMB_QUERY_ATTR_FLAGS 0x206 /* chflags, chattr */
444 #define SMB_SET_ATTR_FLAGS 0x206
445 #define SMB_QUERY_POSIX_PERMISSION 0x207
446 /* Only valid for qfileinfo */
447 #define SMB_QUERY_POSIX_LOCK 0x208
448 /* Only valid for setfileinfo */
449 #define SMB_SET_POSIX_LOCK 0x208
451 /* The set info levels for POSIX path operations. */
452 #define SMB_POSIX_PATH_OPEN 0x209
453 #define SMB_POSIX_PATH_UNLINK 0x20A
455 #define SMB_QUERY_FILE_UNIX_INFO2 0x20B /* UNIX File Info2 */
456 #define SMB_SET_FILE_UNIX_INFO2 0x20B
458 /* Transact 2 Find First levels */
459 #define SMB_FIND_FILE_UNIX 0x202
462 Info level for TRANS2_QFSINFO - returns version of CIFS UNIX extensions, plus
463 64-bits worth of capability fun :-).
464 Use the same info level for TRANS2_SETFSINFO
467 #define SMB_QUERY_CIFS_UNIX_INFO 0x200
468 #define SMB_SET_CIFS_UNIX_INFO 0x200
470 /* Returns or sets the following.
472 UINT16 major version number
473 UINT16 minor version number
474 LARGE_INTEGER capability bitfield
478 #define CIFS_UNIX_MAJOR_VERSION 1
479 #define CIFS_UNIX_MINOR_VERSION 0
481 #define CIFS_UNIX_FCNTL_LOCKS_CAP 0x1
482 #define CIFS_UNIX_POSIX_ACLS_CAP 0x2
483 #define CIFS_UNIX_XATTTR_CAP 0x4 /* for support of other xattr
484 namespaces such as system,
485 security and trusted */
486 #define CIFS_UNIX_EXTATTR_CAP 0x8 /* for support of chattr
487 (chflags) and lsattr */
488 #define CIFS_UNIX_POSIX_PATHNAMES_CAP 0x10 /* Use POSIX pathnames on the wire. */
489 #define CIFS_UNIX_POSIX_PATH_OPERATIONS_CAP 0x20 /* We can cope with POSIX open/mkdir/unlink etc. */
492 #define SMB_QUERY_POSIX_FS_INFO 0x201
494 /* Returns FILE_SYSTEM_POSIX_INFO struct as follows
495 (NB For undefined values return -1 in that field)
496 le32 OptimalTransferSize; bsize on some os, iosize on other os, This
497 is a hint to the client about best size. Server
498 can return -1 if no preference, ie if SMB
499 negotiated size is adequate for optimal
500 read/write performance
501 le32 BlockSize; (often 512 bytes) NB: BlockSize * TotalBlocks = disk space
502 le64 TotalBlocks; redundant with other infolevels but easy to ret here
503 le64 BlocksAvail; although redundant, easy to return
504 le64 UserBlocksAvail; bavail
507 le64 FileSysIdentifier; fsid
508 (NB statfs field Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call)
509 (NB statfs field flags can come from FILE_SYSTEM_DEVICE_INFO call)
512 #define SMB_QUERY_POSIX_WHO_AM_I 0x202 /* QFS Info */
514 __u32 flags; 0 = Authenticated user 1 = GUEST
515 __u32 mask; which flags bits server understands ie 0x0001
518 __u32 number_of_supplementary_gids; may be zero
519 __u32 number_of_sids; may be zero
520 __u32 length_of_sid_array; in bytes - may be zero
521 __u32 pad; reserved - MBZ
522 __u64 gid_array[0]; may be empty
523 __u8 * psid_list may be empty
527 /* ... more as we think of them :-). */
529 /* SMB POSIX ACL definitions. */
530 /* Wire format is (all little endian) :
532 [2 bytes] - Version number.
533 [2 bytes] - Number of ACE entries to follow.
534 [2 bytes] - Number of default ACE entries to follow.
535 -------------------------------------
541 -------------------------------------
547 -------------------------------------
549 Where an ACE entry looks like :
551 [1 byte] - Entry type.
562 [1 byte] - permissions (perm_t)
570 [8 bytes] - uid/gid to apply this permission to.
572 In the same format as the uid/gid fields in the other
573 UNIX extensions definitions. Use 0xFFFFFFFFFFFFFFFF for
574 the MASK and OTHER entry types.
576 If the Number of ACE entries for either file or default ACE's
577 is set to 0xFFFF this means ignore this kind of ACE (and the
578 number of entries sent will be zero.
582 /* The query/set info levels for POSIX ACLs. */
583 #define SMB_QUERY_POSIX_ACL 0x204
584 #define SMB_SET_POSIX_ACL 0x204
586 /* Current on the wire ACL version. */
587 #define SMB_POSIX_ACL_VERSION 1
589 /* ACE entry type. */
590 #define SMB_POSIX_ACL_USER_OBJ 0x01
591 #define SMB_POSIX_ACL_USER 0x02
592 #define SMB_POSIX_ACL_GROUP_OBJ 0x04
593 #define SMB_POSIX_ACL_GROUP 0x08
594 #define SMB_POSIX_ACL_MASK 0x10
595 #define SMB_POSIX_ACL_OTHER 0x20
598 #define SMB_POSIX_ACL_READ 0x04
599 #define SMB_POSIX_ACL_WRITE 0x02
600 #define SMB_POSIX_ACL_EXECUTE 0x01
602 #define SMB_POSIX_ACL_HEADER_SIZE 6
603 #define SMB_POSIX_ACL_ENTRY_SIZE 10
605 #define SMB_POSIX_IGNORE_ACE_ENTRIES 0xFFFF
607 /* Definition of parameter block of SMB_SET_POSIX_LOCK */
609 [2 bytes] lock_type - 0 = Read, 1 = Write, 2 = Unlock
610 [2 bytes] lock_flags - 1 = Wait (only valid for setlock)
611 [4 bytes] pid = locking context.
612 [8 bytes] start = unsigned 64 bits.
613 [8 bytes] length = unsigned 64 bits.
616 #define POSIX_LOCK_TYPE_OFFSET 0
617 #define POSIX_LOCK_FLAGS_OFFSET 2
618 #define POSIX_LOCK_PID_OFFSET 4
619 #define POSIX_LOCK_START_OFFSET 8
620 #define POSIX_LOCK_LEN_OFFSET 16
621 #define POSIX_LOCK_DATA_SIZE 24
623 #define POSIX_LOCK_FLAG_NOWAIT 0
624 #define POSIX_LOCK_FLAG_WAIT 1
626 #define POSIX_LOCK_TYPE_READ 0
627 #define POSIX_LOCK_TYPE_WRITE 1
628 #define POSIX_LOCK_TYPE_UNLOCK 2
630 /* SMB_POSIX_PATH_OPEN "open_mode" definitions. */
631 #define SMB_O_RDONLY 0x1
632 #define SMB_O_WRONLY 0x2
633 #define SMB_O_RDWR 0x4
635 #define SMB_ACCMODE 0x7
637 #define SMB_O_CREAT 0x10
638 #define SMB_O_EXCL 0x20
639 #define SMB_O_TRUNC 0x40
640 #define SMB_O_APPEND 0x80
641 #define SMB_O_SYNC 0x100
642 #define SMB_O_DIRECTORY 0x200
643 #define SMB_O_NOFOLLOW 0x400
644 #define SMB_O_DIRECT 0x800
646 /* Definition of request parameter block for SMB_POSIX_PATH_OPEN */
648 [4 bytes] flags (as smb_ntcreate_Flags).
650 [4 bytes] mode_t - same encoding as "Standard UNIX permissions" above.
651 [2 bytes] ret_info_level - optimization. Info level to be returned.
654 /* Definition of reply data block for SMB_POSIX_PATH_OPEN */
656 #define SMB_NO_INFO_LEVEL_RETURNED 0xFFFF
659 [2 bytes] reply info level - as requested or 0xFFFF if not available.
660 [n bytes] - info level reply - if available.