2 Unix SMB/CIFS implementation.
3 SMB parameters and setup, plus a whole lot more.
5 Copyright (C) Andrew Tridgell 1992-2000
6 Copyright (C) John H Terpstra 1996-2002
7 Copyright (C) Luke Kenneth Casson Leighton 1996-2000
8 Copyright (C) Paul Ashton 1998-2000
9 Copyright (C) Simo Sorce 2001-2002
10 Copyright (C) Martin Pool 2002
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include "libcli/smb/smb_common.h"
30 #include "libds/common/roles.h"
32 /* logged when starting the various Samba daemons */
33 #define COPYRIGHT_STARTUP_MESSAGE "Copyright Andrew Tridgell and the Samba Team 1992-2023"
35 #define LARGE_WRITEX_HDR_SIZE 65
36 #define LARGE_WRITEX_BUFFER_SIZE (128*1024)
39 #define DGRAM_PORT 138
40 #define NBT_SMB_PORT 139 /* Port for SMB over NBT transport (IETF STD#19). */
41 #define TCP_SMB_PORT 445 /* Port for SMB over naked TCP transport. */
42 #define SMB_PORTS "445 139"
44 #define Undefined (-1)
52 /* how long to wait for secondary SMB packets (milli-seconds) */
53 #define SMB_SECONDARY_WAIT (60*1000)
55 #define DIR_STRUCT_SIZE 43
66 #define DOS_OPEN_RDONLY 0
67 #define DOS_OPEN_WRONLY 1
68 #define DOS_OPEN_RDWR 2
69 #define DOS_OPEN_EXEC 3
70 #define DOS_OPEN_FCB 0xF
72 /* define shifts and masks for share and open modes. */
73 #define OPENX_MODE_MASK 0xF
74 #define DENY_MODE_SHIFT 4
75 #define DENY_MODE_MASK 0x7
76 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
77 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
78 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
79 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
81 /* Sync on open file (not sure if used anymore... ?) */
82 #define FILE_SYNC_OPENMODE (1<<14)
83 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
85 /* open disposition values */
86 #define OPENX_FILE_EXISTS_FAIL 0
87 #define OPENX_FILE_EXISTS_OPEN 1
88 #define OPENX_FILE_EXISTS_TRUNCATE 2
90 /* mask for open disposition. */
91 #define OPENX_FILE_OPEN_MASK 0x3
93 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
94 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
96 /* The above can be OR'ed with... */
97 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
98 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
100 /* pipe string names */
103 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
106 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
108 #include "librpc/gen_ndr/security.h"
110 struct share_mode_entry;
114 struct rpc_cli_smbd_conn;
116 /* the basic packet size, assuming no words or bytes */
119 struct notify_change {
124 struct notify_mid_map;
125 struct notify_db_entry;
127 struct notify_change_request;
128 struct sys_notify_context {
129 struct tevent_context *ev;
130 void *private_data; /* For use by the system backend */
133 #include "ntquotas.h"
134 #include "sysquotas.h"
136 /* Include VFS stuff */
138 #include "smb_acls.h"
139 #include "lib/readdir_attr.h"
142 struct current_user {
143 struct connection_struct *conn;
144 uint64_t vuid; /* SMB2 compat */
145 struct security_unix_token ut;
146 struct security_token *nt_user_token;
149 /* Defines for the sent_oplock_break field above. */
150 #define NO_BREAK_SENT 0
151 #define BREAK_TO_NONE_SENT 1
152 #define LEVEL_II_BREAK_SENT 2
155 fstring smb_name; /* user name from the client */
156 fstring unix_name; /* unix user name of a validated user */
157 fstring domain; /* domain that the client specified */
160 /* used for network interfaces */
162 struct interface *next, *prev;
165 struct sockaddr_storage ip;
166 struct sockaddr_storage netmask;
167 struct sockaddr_storage bcast;
173 #define SHARE_MODE_FLAG_POSIX_OPEN 0x1
175 #include "librpc/gen_ndr/server_id.h"
177 /* oplock break message definition - linearization of share_mode_entry.
180 0 struct server_id pid 4
182 12 uint16_t op_type 2
183 14 uint32_t access_mask 4
184 18 uint32_t share_access 4
185 22 uint32_t private_options 4
186 26 uint32_t time sec 4
187 30 uint32_t time usec 4
188 34 uint64_t dev 8 bytes
189 42 uint64_t inode 8 bytes
190 50 uint64_t extid 8 bytes
191 58 unsigned long file_id 4 bytes
192 62 uint32_t uid 4 bytes
193 66 uint16_t flags 2 bytes
194 68 uint32_t name_hash 4 bytes
199 #define OP_BREAK_MSG_PID_OFFSET 0
200 #define OP_BREAK_MSG_MID_OFFSET 4
201 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
202 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
203 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
204 #define OP_BREAK_MSG_PRIV_OFFSET 22
205 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
206 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
207 #define OP_BREAK_MSG_DEV_OFFSET 34
208 #define OP_BREAK_MSG_INO_OFFSET 42
209 #define OP_BREAK_MSG_EXTID_OFFSET 50
210 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
211 #define OP_BREAK_MSG_UID_OFFSET 62
212 #define OP_BREAK_MSG_FLAGS_OFFSET 66
213 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68
215 #define OP_BREAK_MSG_VNN_OFFSET 72
216 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
218 #define NT_HASH_LEN 16
219 #define LM_HASH_LEN 16
221 /* offsets into message for common items */
222 #define smb_com (NBT_HDR_SIZE+HDR_COM)
223 #define smb_rcls (NBT_HDR_SIZE+HDR_RCLS)
224 #define smb_reh (NBT_HDR_SIZE+HDR_REH)
225 #define smb_err (NBT_HDR_SIZE+HDR_ERR)
226 #define smb_flg (NBT_HDR_SIZE+HDR_FLG)
227 #define smb_flg2 (NBT_HDR_SIZE+HDR_FLG2)
228 #define smb_pidhigh (NBT_HDR_SIZE+HDR_PIDHIGH)
229 #define smb_ss_field (NBT_HDR_SIZE+HDR_SS_FIELD)
230 #define smb_tid (NBT_HDR_SIZE+HDR_TID)
231 #define smb_pid (NBT_HDR_SIZE+HDR_PID)
232 #define smb_uid (NBT_HDR_SIZE+HDR_UID)
233 #define smb_mid (NBT_HDR_SIZE+HDR_MID)
234 #define smb_wct (NBT_HDR_SIZE+HDR_WCT)
235 #define smb_vwv (NBT_HDR_SIZE+HDR_VWV)
236 #define smb_vwv0 (smb_vwv+( 0*2))
237 #define smb_vwv1 (smb_vwv+( 1*2))
238 #define smb_vwv2 (smb_vwv+( 2*2))
239 #define smb_vwv3 (smb_vwv+( 3*2))
240 #define smb_vwv4 (smb_vwv+( 4*2))
241 #define smb_vwv5 (smb_vwv+( 5*2))
242 #define smb_vwv6 (smb_vwv+( 6*2))
243 #define smb_vwv7 (smb_vwv+( 7*2))
244 #define smb_vwv8 (smb_vwv+( 8*2))
245 #define smb_vwv9 (smb_vwv+( 9*2))
246 #define smb_vwv10 (smb_vwv+(10*2))
247 #define smb_vwv11 (smb_vwv+(11*2))
248 #define smb_vwv12 (smb_vwv+(12*2))
249 #define smb_vwv13 (smb_vwv+(13*2))
250 #define smb_vwv14 (smb_vwv+(14*2))
251 #define smb_vwv15 (smb_vwv+(15*2))
252 #define smb_vwv16 (smb_vwv+(16*2))
253 #define smb_vwv17 (smb_vwv+(17*2))
255 /* These are the NT transact_get_user_quota sub commands */
256 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE 0x0000
257 #define TRANSACT_GET_USER_QUOTA_LIST_START 0x0100
258 #define TRANSACT_GET_USER_QUOTA_FOR_SID 0x0101
260 /* Relevant IOCTL codes */
261 #define IOCTL_QUERY_JOB_INFO 0x530060
263 /* these are the trans2 sub fields for primary requests */
264 #define smb_tpscnt smb_vwv0
265 #define smb_tdscnt smb_vwv1
266 #define smb_mprcnt smb_vwv2
267 #define smb_mdrcnt smb_vwv3
268 #define smb_msrcnt smb_vwv4
269 #define smb_flags smb_vwv5
270 #define smb_timeout smb_vwv6
271 #define smb_pscnt smb_vwv9
272 #define smb_psoff smb_vwv10
273 #define smb_dscnt smb_vwv11
274 #define smb_dsoff smb_vwv12
275 #define smb_suwcnt smb_vwv13
276 #define smb_setup smb_vwv14
277 #define smb_setup0 smb_setup
278 #define smb_setup1 (smb_setup+2)
279 #define smb_setup2 (smb_setup+4)
281 /* these are for the secondary requests */
282 #define smb_spscnt smb_vwv2
283 #define smb_spsoff smb_vwv3
284 #define smb_spsdisp smb_vwv4
285 #define smb_sdscnt smb_vwv5
286 #define smb_sdsoff smb_vwv6
287 #define smb_sdsdisp smb_vwv7
288 #define smb_sfid smb_vwv8
290 /* and these for responses */
291 #define smb_tprcnt smb_vwv0
292 #define smb_tdrcnt smb_vwv1
293 #define smb_prcnt smb_vwv3
294 #define smb_proff smb_vwv4
295 #define smb_prdisp smb_vwv5
296 #define smb_drcnt smb_vwv6
297 #define smb_droff smb_vwv7
298 #define smb_drdisp smb_vwv8
300 /* these are for the NT trans primary request. */
301 #define smb_nt_MaxSetupCount smb_vwv0
302 #define smb_nt_Flags (smb_vwv0 + 1)
303 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
304 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
305 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
306 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
307 #define smb_nt_ParameterCount (smb_vwv0 + 19)
308 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
309 #define smb_nt_DataCount (smb_vwv0 + 27)
310 #define smb_nt_DataOffset (smb_vwv0 + 31)
311 #define smb_nt_SetupCount (smb_vwv0 + 35)
312 #define smb_nt_Function (smb_vwv0 + 36)
313 #define smb_nt_SetupStart (smb_vwv0 + 38)
315 /* these are for the NT trans secondary request. */
316 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
317 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
318 #define smb_nts_ParameterCount (smb_vwv0 + 11)
319 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
320 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
321 #define smb_nts_DataCount (smb_vwv0 + 23)
322 #define smb_nts_DataOffset (smb_vwv0 + 27)
323 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
325 /* these are for the NT trans reply. */
326 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
327 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
328 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
329 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
330 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
331 #define smb_ntr_DataCount (smb_vwv0 + 23)
332 #define smb_ntr_DataOffset (smb_vwv0 + 27)
333 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
335 /* these are for the NT create_and_X */
336 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
337 #define smb_ntcreate_Flags (smb_vwv0 + 7)
338 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
339 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
340 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
341 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
342 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
343 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
344 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
345 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
346 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
348 /* Named pipe write mode flags. Used in writeX calls. */
349 #define PIPE_RAW_MODE 0x4
350 #define PIPE_START_MESSAGE 0x8
352 /* the desired access to use when opening a pipe */
353 #define DESIRED_ACCESS_PIPE 0x2019f
355 /* Mapping of access rights to UNIX perms. */
356 #define UNIX_ACCESS_RWX FILE_GENERIC_ALL
357 #define UNIX_ACCESS_R FILE_GENERIC_READ
358 #define UNIX_ACCESS_W FILE_GENERIC_WRITE
359 #define UNIX_ACCESS_X FILE_GENERIC_EXECUTE
361 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
362 #define UNIX_DIRECTORY_ACCESS_RWX FILE_GENERIC_ALL
363 #define UNIX_DIRECTORY_ACCESS_R FILE_GENERIC_READ
364 #define UNIX_DIRECTORY_ACCESS_W (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
365 #define UNIX_DIRECTORY_ACCESS_X FILE_GENERIC_EXECUTE
369 * This is the old mapping we used to use. To get W2KSP2 profiles
370 * working we need to map to the canonical file perms.
372 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
373 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
374 FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
375 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
376 FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
377 FILE_APPEND_DATA|FILE_WRITE_DATA)
378 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
379 FILE_EXECUTE|FILE_READ_ATTRIBUTES)
382 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
385 #define REQUEST_OPLOCK 2
386 #define REQUEST_BATCH_OPLOCK 4
387 #define OPEN_DIRECTORY 8
388 #define EXTENDED_RESPONSE_REQUIRED 0x10
390 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK (0x008F0480)
392 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK (0xFF100030)
395 * Private flags used by the ntcreatex processing
396 * code. Passed in the private_flags argument.
398 #define NTCREATEX_FLAG_DENY_DOS 0x0001
399 #define NTCREATEX_FLAG_DENY_FCB 0x0002
401 /* Private flag for streams support */
402 #define NTCREATEX_FLAG_STREAM_BASEOPEN 0x0010
404 /* Flag for NT transact rename call. */
405 #define RENAME_REPLACE_IF_EXISTS 1
407 /* flags for SMBntrename call (from Samba4) */
408 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
409 #define RENAME_FLAG_HARD_LINK 0x103
410 #define RENAME_FLAG_RENAME 0x104
411 #define RENAME_FLAG_COPY 0x105
413 /* ChangeNotify flags. */
414 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x001
415 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x002
416 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x004
417 #define FILE_NOTIFY_CHANGE_SIZE 0x008
418 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x010
419 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
420 #define FILE_NOTIFY_CHANGE_CREATION 0x040
421 #define FILE_NOTIFY_CHANGE_EA 0x080
422 #define FILE_NOTIFY_CHANGE_SECURITY 0x100
423 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
424 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
425 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
427 #define FILE_NOTIFY_CHANGE_NAME \
428 (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
430 #define FILE_NOTIFY_CHANGE_ALL \
431 (FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | \
432 FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE | \
433 FILE_NOTIFY_CHANGE_LAST_WRITE | FILE_NOTIFY_CHANGE_LAST_ACCESS | \
434 FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_EA | \
435 FILE_NOTIFY_CHANGE_SECURITY | FILE_NOTIFY_CHANGE_STREAM_NAME | \
436 FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE)
438 /* change notify action results */
439 #define NOTIFY_ACTION_ADDED 1
440 #define NOTIFY_ACTION_REMOVED 2
441 #define NOTIFY_ACTION_MODIFIED 3
442 #define NOTIFY_ACTION_OLD_NAME 4
443 #define NOTIFY_ACTION_NEW_NAME 5
444 #define NOTIFY_ACTION_ADDED_STREAM 6
445 #define NOTIFY_ACTION_REMOVED_STREAM 7
446 #define NOTIFY_ACTION_MODIFIED_STREAM 8
448 /* where to find the base of the SMB packet proper */
449 #define smb_base(buf) (((const char *)(buf))+4)
451 /* we don't allow server strings to be longer than 48 characters as
452 otherwise NT will not honour the announce packets */
453 #define MAX_SERVER_STRING_LENGTH 48
456 char *strdup(char *s);
463 /* This was set by JHT in liaison with Jeremy Allison early 1997
465 * Version 4.0 - never made public
466 * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
467 * - Reappeared in 1.9.16p11 with fixed smbd services
468 * Version 4.20 - To indicate that nmbd and browsing now works better
469 * Version 4.50 - Set at release of samba-2.2.0 by JHT
471 * Note: In the presence of NT4.X do not set above 4.9
472 * Setting this above 4.9 can have undesired side-effects.
473 * This may change again in Samba-3.0 after further testing. JHT
475 * Version 6.1 - For older smb server versions, MMC doesn't let offline
476 * settings to be configured during share creation. Changing
477 * it to 6.1 to mimic Win2K8R2.
481 #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x06
482 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x01
484 /* Browser Election Values */
485 #define BROWSER_ELECTION_VERSION 0x010f
486 #define BROWSER_CONSTANT 0xaa55
488 /* File Status Flags. See:
490 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
494 #define NO_SUBSTREAMS 0x2
495 #define NO_REPARSETAG 0x4
497 /* Remote architectures we know about, keep in sync with remote_arch_strings */
498 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
499 RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
500 RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
503 * Global value meaning that the smb_uid field should be
504 * ignored (in share level security and protocol level == CORE)
507 #define UID_FIELD_INVALID 0
508 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
510 #define TID_FIELD_INVALID 0
512 #define FNUM_FIELD_INVALID 0
515 * Map the Core and Extended Oplock request bits down
516 * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
522 #define CORE_OPLOCK_REQUEST(inbuf) \
523 ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
528 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
532 * Note these must fit into 16-bits.
535 #define NO_OPLOCK OPLOCK_NONE
536 #define EXCLUSIVE_OPLOCK OPLOCK_EXCLUSIVE
537 #define BATCH_OPLOCK OPLOCK_BATCH
538 #define LEVEL_II_OPLOCK OPLOCK_LEVEL_II
539 #define LEASE_OPLOCK 0x100
541 /* The following are Samba-private. */
542 #define INTERNAL_OPEN_ONLY 0x8
543 /* #define FAKE_LEVEL_II_OPLOCK 0x10 */ /* Not used anymore */
544 /* Client requested no_oplock, but we have to
545 * inform potential level2 holders on
547 /* #define DEFERRED_OPEN_ENTRY 0x20 */ /* Not used anymore */
548 /* #define UNUSED_SHARE_MODE_ENTRY 0x40 */ /* Not used anymore */
549 /* #define FORCE_OPLOCK_BREAK_TO_NONE 0x80 */ /* Not used anymore */
551 /* None of the following should ever appear in fsp->oplock_request. */
552 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY)
554 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
555 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
556 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & (unsigned int)LEVEL_II_OPLOCK)
558 /* kernel_oplock_message definition.
560 struct kernel_oplock_message {
564 unsigned long file_id;
568 0 uint64_t dev 8 bytes
569 8 uint64_t inode 8 bytes
570 16 uint64_t extid 8 bytes
571 24 unsigned long file_id 4 bytes
575 #define MSG_SMB_KERNEL_BREAK_SIZE 28
578 * On the wire return values for oplock types.
581 #define CORE_OPLOCK_GRANTED (1<<5)
582 #define EXTENDED_OPLOCK_GRANTED (1<<15)
584 #define NO_OPLOCK_RETURN 0
585 #define EXCLUSIVE_OPLOCK_RETURN 1
586 #define BATCH_OPLOCK_RETURN 2
587 #define LEVEL_II_OPLOCK_RETURN 3
590 #define OPLOCKLEVEL_NONE 0
591 #define OPLOCKLEVEL_II 1
594 * Capabilities abstracted for different systems.
597 enum smbd_capability {
598 KERNEL_OPLOCK_CAPABILITY,
599 DMAPI_ACCESS_CAPABILITY,
601 DAC_OVERRIDE_CAPABILITY
604 struct kernel_oplocks_ops;
605 struct kernel_oplocks {
606 const struct kernel_oplocks_ops *ops;
610 enum level2_contention_type {
611 LEVEL2_CONTEND_ALLOC_SHRINK,
612 LEVEL2_CONTEND_ALLOC_GROW,
613 LEVEL2_CONTEND_SET_FILE_LEN,
614 LEVEL2_CONTEND_FILL_SPARSE,
615 LEVEL2_CONTEND_WRITE,
616 LEVEL2_CONTEND_WINDOWS_BRL,
617 LEVEL2_CONTEND_POSIX_BRL
620 /* if a kernel does support oplocks then a structure of the following
621 typee is used to describe how to interact with the kernel */
622 struct kernel_oplocks_ops {
623 bool (*set_oplock)(struct kernel_oplocks *ctx,
624 files_struct *fsp, int oplock_type);
625 void (*release_oplock)(struct kernel_oplocks *ctx,
626 files_struct *fsp, int oplock_type);
629 #include "smb_macros.h"
631 #define MAX_NETBIOSNAME_LEN 16
632 /* DOS character, NetBIOS namestring. Type used on the wire. */
633 typedef char nstring[MAX_NETBIOSNAME_LEN];
634 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
635 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
637 /* A netbios name structure. */
641 unsigned int name_type;
644 /* A netbios node status array element. */
651 /* The extra info from a NetBIOS node status query */
652 struct node_status_extra {
653 unsigned char mac_addr[6];
654 /* There really is more here ... */
657 #define SAFE_NETBIOS_CHARS ". -_"
661 #define LDAP_PORT 389
663 #define LDAP_GC_PORT 3268
672 struct ea_list *next, *prev;
676 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
677 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
678 /* EA to use for DOS attributes */
679 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
680 /* Prefix for DosStreams in the vfs_streams_xattr module */
681 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
682 /* Prefix for xattrs storing streams. */
683 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
685 /* usershare error codes. */
688 USERSHARE_MALFORMED_FILE,
689 USERSHARE_BAD_VERSION,
690 USERSHARE_MALFORMED_PATH,
691 USERSHARE_MALFORMED_COMMENT_DEF,
692 USERSHARE_MALFORMED_ACL_DEF,
694 USERSHARE_PATH_NOT_ABSOLUTE,
695 USERSHARE_PATH_IS_DENIED,
696 USERSHARE_PATH_NOT_ALLOWED,
697 USERSHARE_PATH_NOT_DIRECTORY,
699 USERSHARE_MALFORMED_SHARENAME_DEF,
700 USERSHARE_BAD_SHARENAME
703 /* Different reasons for closing a file. */
704 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
706 /* Used in SMB_FS_OBJECTID_INFORMATION requests. Must be exactly 48 bytes. */
707 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
708 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
709 struct smb_extended_info {
710 uint32_t samba_magic; /* Always SAMBA_EXTRA_INFO_MAGIC */
711 uint32_t samba_version; /* Major/Minor/Release/Revision */
712 uint32_t samba_subversion; /* Prerelease/RC/Vendor patch */
713 NTTIME samba_gitcommitdate;
714 char samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];