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 1992-2016"
35 #define SAFETY_MARGIN 1024
36 #define LARGE_WRITEX_HDR_SIZE 65
37 #define LARGE_WRITEX_BUFFER_SIZE (128*1024)
40 #define DGRAM_PORT 138
41 #define NBT_SMB_PORT 139 /* Port for SMB over NBT transport (IETF STD#19). */
42 #define TCP_SMB_PORT 445 /* Port for SMB over naked TCP transport. */
43 #define SMB_PORTS "445 139"
45 #define Undefined (-1)
53 #ifndef DEF_CREATE_MASK
54 #define DEF_CREATE_MASK (0755)
57 /* string manipulation flags - see clistr.c and srvstr.c */
58 #define STR_TERMINATE 1
62 #define STR_NOALIGN 16
63 #define STR_TERMINATE_ASCII 128
65 /* how long to wait for secondary SMB packets (milli-seconds) */
66 #define SMB_SECONDARY_WAIT (60*1000)
68 #define DIR_STRUCT_SIZE 43
79 #define DOS_OPEN_RDONLY 0
80 #define DOS_OPEN_WRONLY 1
81 #define DOS_OPEN_RDWR 2
82 #define DOS_OPEN_EXEC 3
83 #define DOS_OPEN_FCB 0xF
85 /* define shifts and masks for share and open modes. */
86 #define OPENX_MODE_MASK 0xF
87 #define DENY_MODE_SHIFT 4
88 #define DENY_MODE_MASK 0x7
89 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
90 #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK)
91 #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK)
92 #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <<DENY_MODE_SHIFT)
94 /* Sync on open file (not sure if used anymore... ?) */
95 #define FILE_SYNC_OPENMODE (1<<14)
96 #define GET_FILE_SYNC_OPENMODE(x) (((x) & FILE_SYNC_OPENMODE) ? True : False)
98 /* open disposition values */
99 #define OPENX_FILE_EXISTS_FAIL 0
100 #define OPENX_FILE_EXISTS_OPEN 1
101 #define OPENX_FILE_EXISTS_TRUNCATE 2
103 /* mask for open disposition. */
104 #define OPENX_FILE_OPEN_MASK 0x3
106 #define GET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
107 #define SET_FILE_OPENX_DISPOSITION(x) ((x) & FILE_OPEN_MASK)
109 /* The above can be OR'ed with... */
110 #define OPENX_FILE_CREATE_IF_NOT_EXIST 0x10
111 #define OPENX_FILE_FAIL_IF_NOT_EXIST 0
113 /* pipe string names */
116 #define MAXSUBAUTHS 15 /* max sub authorities in a SID */
119 #define SID_MAX_SIZE ((size_t)(8+(MAXSUBAUTHS*4)))
121 #include "librpc/gen_ndr/security.h"
124 struct share_mode_entry;
128 struct rpc_cli_smbd_conn;
129 struct fncall_context;
131 /* the basic packet size, assuming no words or bytes */
134 struct notify_change {
139 struct notify_mid_map;
140 struct notify_db_entry;
142 struct notify_change_request;
143 struct sys_notify_backend;
144 struct sys_notify_context {
145 struct tevent_context *ev;
146 void *private_data; /* For use by the system backend */
149 #include "ntquotas.h"
150 #include "sysquotas.h"
152 /* Include VFS stuff */
154 #include "smb_acls.h"
155 #include "lib/readdir_attr.h"
158 struct current_user {
159 struct connection_struct *conn;
160 uint64_t vuid; /* SMB2 compat */
161 struct security_unix_token ut;
162 struct security_token *nt_user_token;
165 /* Defines for the sent_oplock_break field above. */
166 #define NO_BREAK_SENT 0
167 #define BREAK_TO_NONE_SENT 1
168 #define LEVEL_II_BREAK_SENT 2
171 fstring smb_name; /* user name from the client */
172 fstring unix_name; /* unix user name of a validated user */
173 fstring domain; /* domain that the client specified */
176 /* used for network interfaces */
178 struct interface *next, *prev;
181 struct sockaddr_storage ip;
182 struct sockaddr_storage netmask;
183 struct sockaddr_storage bcast;
189 #define SHARE_MODE_FLAG_POSIX_OPEN 0x1
191 #include "librpc/gen_ndr/server_id.h"
193 /* oplock break message definition - linearization of share_mode_entry.
196 0 struct server_id pid 4
198 12 uint16_t op_type 2
199 14 uint32_t access_mask 4
200 18 uint32_t share_access 4
201 22 uint32_t private_options 4
202 26 uint32_t time sec 4
203 30 uint32_t time usec 4
204 34 uint64_t dev 8 bytes
205 42 uint64_t inode 8 bytes
206 50 uint64_t extid 8 bytes
207 58 unsigned long file_id 4 bytes
208 62 uint32_t uid 4 bytes
209 66 uint16_t flags 2 bytes
210 68 uint32_t name_hash 4 bytes
215 #define OP_BREAK_MSG_PID_OFFSET 0
216 #define OP_BREAK_MSG_MID_OFFSET 4
217 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12
218 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14
219 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18
220 #define OP_BREAK_MSG_PRIV_OFFSET 22
221 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26
222 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30
223 #define OP_BREAK_MSG_DEV_OFFSET 34
224 #define OP_BREAK_MSG_INO_OFFSET 42
225 #define OP_BREAK_MSG_EXTID_OFFSET 50
226 #define OP_BREAK_MSG_FILE_ID_OFFSET 58
227 #define OP_BREAK_MSG_UID_OFFSET 62
228 #define OP_BREAK_MSG_FLAGS_OFFSET 66
229 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68
231 #define OP_BREAK_MSG_VNN_OFFSET 72
232 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76
234 #define NT_HASH_LEN 16
235 #define LM_HASH_LEN 16
237 /* offsets into message for common items */
238 #define smb_com (NBT_HDR_SIZE+HDR_COM)
239 #define smb_rcls (NBT_HDR_SIZE+HDR_RCLS)
240 #define smb_reh (NBT_HDR_SIZE+HDR_REH)
241 #define smb_err (NBT_HDR_SIZE+HDR_ERR)
242 #define smb_flg (NBT_HDR_SIZE+HDR_FLG)
243 #define smb_flg2 (NBT_HDR_SIZE+HDR_FLG2)
244 #define smb_pidhigh (NBT_HDR_SIZE+HDR_PIDHIGH)
245 #define smb_ss_field (NBT_HDR_SIZE+HDR_SS_FIELD)
246 #define smb_tid (NBT_HDR_SIZE+HDR_TID)
247 #define smb_pid (NBT_HDR_SIZE+HDR_PID)
248 #define smb_uid (NBT_HDR_SIZE+HDR_UID)
249 #define smb_mid (NBT_HDR_SIZE+HDR_MID)
250 #define smb_wct (NBT_HDR_SIZE+HDR_WCT)
251 #define smb_vwv (NBT_HDR_SIZE+HDR_VWV)
252 #define smb_vwv0 (smb_vwv+( 0*2))
253 #define smb_vwv1 (smb_vwv+( 1*2))
254 #define smb_vwv2 (smb_vwv+( 2*2))
255 #define smb_vwv3 (smb_vwv+( 3*2))
256 #define smb_vwv4 (smb_vwv+( 4*2))
257 #define smb_vwv5 (smb_vwv+( 5*2))
258 #define smb_vwv6 (smb_vwv+( 6*2))
259 #define smb_vwv7 (smb_vwv+( 7*2))
260 #define smb_vwv8 (smb_vwv+( 8*2))
261 #define smb_vwv9 (smb_vwv+( 9*2))
262 #define smb_vwv10 (smb_vwv+(10*2))
263 #define smb_vwv11 (smb_vwv+(11*2))
264 #define smb_vwv12 (smb_vwv+(12*2))
265 #define smb_vwv13 (smb_vwv+(13*2))
266 #define smb_vwv14 (smb_vwv+(14*2))
267 #define smb_vwv15 (smb_vwv+(15*2))
268 #define smb_vwv16 (smb_vwv+(16*2))
269 #define smb_vwv17 (smb_vwv+(17*2))
271 /* These are the NT transact_get_user_quota sub commands */
272 #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE 0x0000
273 #define TRANSACT_GET_USER_QUOTA_LIST_START 0x0100
274 #define TRANSACT_GET_USER_QUOTA_FOR_SID 0x0101
276 /* Relevant IOCTL codes */
277 #define IOCTL_QUERY_JOB_INFO 0x530060
279 /* these are the trans2 sub fields for primary requests */
280 #define smb_tpscnt smb_vwv0
281 #define smb_tdscnt smb_vwv1
282 #define smb_mprcnt smb_vwv2
283 #define smb_mdrcnt smb_vwv3
284 #define smb_msrcnt smb_vwv4
285 #define smb_flags smb_vwv5
286 #define smb_timeout smb_vwv6
287 #define smb_pscnt smb_vwv9
288 #define smb_psoff smb_vwv10
289 #define smb_dscnt smb_vwv11
290 #define smb_dsoff smb_vwv12
291 #define smb_suwcnt smb_vwv13
292 #define smb_setup smb_vwv14
293 #define smb_setup0 smb_setup
294 #define smb_setup1 (smb_setup+2)
295 #define smb_setup2 (smb_setup+4)
297 /* these are for the secondary requests */
298 #define smb_spscnt smb_vwv2
299 #define smb_spsoff smb_vwv3
300 #define smb_spsdisp smb_vwv4
301 #define smb_sdscnt smb_vwv5
302 #define smb_sdsoff smb_vwv6
303 #define smb_sdsdisp smb_vwv7
304 #define smb_sfid smb_vwv8
306 /* and these for responses */
307 #define smb_tprcnt smb_vwv0
308 #define smb_tdrcnt smb_vwv1
309 #define smb_prcnt smb_vwv3
310 #define smb_proff smb_vwv4
311 #define smb_prdisp smb_vwv5
312 #define smb_drcnt smb_vwv6
313 #define smb_droff smb_vwv7
314 #define smb_drdisp smb_vwv8
316 /* these are for the NT trans primary request. */
317 #define smb_nt_MaxSetupCount smb_vwv0
318 #define smb_nt_Flags (smb_vwv0 + 1)
319 #define smb_nt_TotalParameterCount (smb_vwv0 + 3)
320 #define smb_nt_TotalDataCount (smb_vwv0 + 7)
321 #define smb_nt_MaxParameterCount (smb_vwv0 + 11)
322 #define smb_nt_MaxDataCount (smb_vwv0 + 15)
323 #define smb_nt_ParameterCount (smb_vwv0 + 19)
324 #define smb_nt_ParameterOffset (smb_vwv0 + 23)
325 #define smb_nt_DataCount (smb_vwv0 + 27)
326 #define smb_nt_DataOffset (smb_vwv0 + 31)
327 #define smb_nt_SetupCount (smb_vwv0 + 35)
328 #define smb_nt_Function (smb_vwv0 + 36)
329 #define smb_nt_SetupStart (smb_vwv0 + 38)
331 /* these are for the NT trans secondary request. */
332 #define smb_nts_TotalParameterCount (smb_vwv0 + 3)
333 #define smb_nts_TotalDataCount (smb_vwv0 + 7)
334 #define smb_nts_ParameterCount (smb_vwv0 + 11)
335 #define smb_nts_ParameterOffset (smb_vwv0 + 15)
336 #define smb_nts_ParameterDisplacement (smb_vwv0 + 19)
337 #define smb_nts_DataCount (smb_vwv0 + 23)
338 #define smb_nts_DataOffset (smb_vwv0 + 27)
339 #define smb_nts_DataDisplacement (smb_vwv0 + 31)
341 /* these are for the NT trans reply. */
342 #define smb_ntr_TotalParameterCount (smb_vwv0 + 3)
343 #define smb_ntr_TotalDataCount (smb_vwv0 + 7)
344 #define smb_ntr_ParameterCount (smb_vwv0 + 11)
345 #define smb_ntr_ParameterOffset (smb_vwv0 + 15)
346 #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19)
347 #define smb_ntr_DataCount (smb_vwv0 + 23)
348 #define smb_ntr_DataOffset (smb_vwv0 + 27)
349 #define smb_ntr_DataDisplacement (smb_vwv0 + 31)
351 /* these are for the NT create_and_X */
352 #define smb_ntcreate_NameLength (smb_vwv0 + 5)
353 #define smb_ntcreate_Flags (smb_vwv0 + 7)
354 #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11)
355 #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15)
356 #define smb_ntcreate_AllocationSize (smb_vwv0 + 19)
357 #define smb_ntcreate_FileAttributes (smb_vwv0 + 27)
358 #define smb_ntcreate_ShareAccess (smb_vwv0 + 31)
359 #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35)
360 #define smb_ntcreate_CreateOptions (smb_vwv0 + 39)
361 #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43)
362 #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47)
364 /* Named pipe write mode flags. Used in writeX calls. */
365 #define PIPE_RAW_MODE 0x4
366 #define PIPE_START_MESSAGE 0x8
368 /* the desired access to use when opening a pipe */
369 #define DESIRED_ACCESS_PIPE 0x2019f
371 /* Mapping of access rights to UNIX perms. */
372 #define UNIX_ACCESS_RWX FILE_GENERIC_ALL
373 #define UNIX_ACCESS_R FILE_GENERIC_READ
374 #define UNIX_ACCESS_W FILE_GENERIC_WRITE
375 #define UNIX_ACCESS_X FILE_GENERIC_EXECUTE
377 /* Mapping of access rights to UNIX perms. for a UNIX directory. */
378 #define UNIX_DIRECTORY_ACCESS_RWX FILE_GENERIC_ALL
379 #define UNIX_DIRECTORY_ACCESS_R FILE_GENERIC_READ
380 #define UNIX_DIRECTORY_ACCESS_W (FILE_GENERIC_WRITE|FILE_DELETE_CHILD)
381 #define UNIX_DIRECTORY_ACCESS_X FILE_GENERIC_EXECUTE
385 * This is the old mapping we used to use. To get W2KSP2 profiles
386 * working we need to map to the canonical file perms.
388 #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X)
389 #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
390 FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA)
391 #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
392 FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\
393 FILE_APPEND_DATA|FILE_WRITE_DATA)
394 #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\
395 FILE_EXECUTE|FILE_READ_ATTRIBUTES)
398 #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS)
401 #define REQUEST_OPLOCK 2
402 #define REQUEST_BATCH_OPLOCK 4
403 #define OPEN_DIRECTORY 8
404 #define EXTENDED_RESPONSE_REQUIRED 0x10
406 #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK (0x008F0480)
408 #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK (0xFF100030)
411 * Private create options used by the ntcreatex processing code. From Samba4.
412 * We reuse some ignored flags for private use. Passed in the private_flags
415 #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x0001
416 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x0002
418 /* Private options for streams support */
419 #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004
421 /* Private options for printer support */
422 #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008
424 /* Flag for NT transact rename call. */
425 #define RENAME_REPLACE_IF_EXISTS 1
427 /* flags for SMBntrename call (from Samba4) */
428 #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */
429 #define RENAME_FLAG_HARD_LINK 0x103
430 #define RENAME_FLAG_RENAME 0x104
431 #define RENAME_FLAG_COPY 0x105
433 /* ChangeNotify flags. */
434 #define FILE_NOTIFY_CHANGE_FILE_NAME 0x001
435 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x002
436 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x004
437 #define FILE_NOTIFY_CHANGE_SIZE 0x008
438 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x010
439 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020
440 #define FILE_NOTIFY_CHANGE_CREATION 0x040
441 #define FILE_NOTIFY_CHANGE_EA 0x080
442 #define FILE_NOTIFY_CHANGE_SECURITY 0x100
443 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200
444 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400
445 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800
447 #define FILE_NOTIFY_CHANGE_NAME \
448 (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME)
450 #define FILE_NOTIFY_CHANGE_ALL \
451 (FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_DIR_NAME | \
452 FILE_NOTIFY_CHANGE_ATTRIBUTES | FILE_NOTIFY_CHANGE_SIZE | \
453 FILE_NOTIFY_CHANGE_LAST_WRITE | FILE_NOTIFY_CHANGE_LAST_ACCESS | \
454 FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_EA | \
455 FILE_NOTIFY_CHANGE_SECURITY | FILE_NOTIFY_CHANGE_STREAM_NAME | \
456 FILE_NOTIFY_CHANGE_STREAM_SIZE | FILE_NOTIFY_CHANGE_STREAM_WRITE)
458 /* change notify action results */
459 #define NOTIFY_ACTION_ADDED 1
460 #define NOTIFY_ACTION_REMOVED 2
461 #define NOTIFY_ACTION_MODIFIED 3
462 #define NOTIFY_ACTION_OLD_NAME 4
463 #define NOTIFY_ACTION_NEW_NAME 5
464 #define NOTIFY_ACTION_ADDED_STREAM 6
465 #define NOTIFY_ACTION_REMOVED_STREAM 7
466 #define NOTIFY_ACTION_MODIFIED_STREAM 8
469 * Timestamp format used in "previous versions":
470 * This is the windows-level format of the @GMT- token.
471 * It is a fixed format not to be confused with the
472 * format for the POSIX-Level token of the shadow_copy2
473 * VFS module that can be configured via the "shadow:format"
474 * configuration option but defaults to the same format.
475 * See the shadow_copy2 module.
477 #define GMT_NAME_LEN 24 /* length of a @GMT- name */
478 #define GMT_FORMAT "@GMT-%Y.%m.%d-%H.%M.%S"
480 /* where to find the base of the SMB packet proper */
481 #define smb_base(buf) (((const char *)(buf))+4)
483 /* we don't allow server strings to be longer than 48 characters as
484 otherwise NT will not honour the announce packets */
485 #define MAX_SERVER_STRING_LENGTH 48
488 #define SMB_SUCCESS 0 /* The request was successful. */
491 char *strdup(char *s);
498 /* This was set by JHT in liaison with Jeremy Allison early 1997
500 * Version 4.0 - never made public
501 * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9
502 * - Reappeared in 1.9.16p11 with fixed smbd services
503 * Version 4.20 - To indicate that nmbd and browsing now works better
504 * Version 4.50 - Set at release of samba-2.2.0 by JHT
506 * Note: In the presence of NT4.X do not set above 4.9
507 * Setting this above 4.9 can have undesired side-effects.
508 * This may change again in Samba-3.0 after further testing. JHT
510 * Version 6.1 - For older smb server versions, MMC doesn't let offline
511 * settings to be configured during share creation. Changing
512 * it to 6.1 to mimic Win2K8R2.
516 #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x06
517 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x01
519 /* Browser Election Values */
520 #define BROWSER_ELECTION_VERSION 0x010f
521 #define BROWSER_CONSTANT 0xaa55
523 /* File Status Flags. See:
525 http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx
529 #define NO_SUBSTREAMS 0x2
530 #define NO_REPARSETAG 0x4
532 /* Remote architectures we know about. */
533 enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT,
534 RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA,
535 RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX};
538 * Global value meaning that the smb_uid field should be
539 * ingored (in share level security and protocol level == CORE)
542 #define UID_FIELD_INVALID 0
543 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */
545 #define TID_FIELD_INVALID 0
547 #define FNUM_FIELD_INVALID 0
550 * Size of buffer to use when moving files across filesystems.
552 #define COPYBUF_SIZE (8*1024)
555 * Map the Core and Extended Oplock requesst bits down
556 * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK).
562 #define CORE_OPLOCK_REQUEST(inbuf) \
563 ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5)
568 #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1)
572 * Note these must fit into 16-bits.
575 #define NO_OPLOCK OPLOCK_NONE
576 #define EXCLUSIVE_OPLOCK OPLOCK_EXCLUSIVE
577 #define BATCH_OPLOCK OPLOCK_BATCH
578 #define LEVEL_II_OPLOCK OPLOCK_LEVEL_II
579 #define LEASE_OPLOCK 0x100
581 /* The following are Samba-private. */
582 #define INTERNAL_OPEN_ONLY 0x8
583 /* #define FAKE_LEVEL_II_OPLOCK 0x10 */ /* Not used anymore */
584 /* Client requested no_oplock, but we have to
585 * inform potential level2 holders on
587 /* #define DEFERRED_OPEN_ENTRY 0x20 */ /* Not used anymore */
588 /* #define UNUSED_SHARE_MODE_ENTRY 0x40 */ /* Not used anymore */
589 /* #define FORCE_OPLOCK_BREAK_TO_NONE 0x80 */ /* Not used anymore */
591 /* None of the following should ever appear in fsp->oplock_request. */
592 #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY)
594 #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK))
595 #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK)
596 #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & (unsigned int)LEVEL_II_OPLOCK)
598 /* kernel_oplock_message definition.
600 struct kernel_oplock_message {
604 unsigned long file_id;
608 0 uint64_t dev 8 bytes
609 8 uint64_t inode 8 bytes
610 16 uint64_t extid 8 bytes
611 24 unsigned long file_id 4 bytes
615 #define MSG_SMB_KERNEL_BREAK_SIZE 28
617 /* file_renamed_message definition.
619 struct file_renamed_message {
622 char names[1]; A variable area containing sharepath and filename.
626 0 uint64_t dev 8 bytes
627 8 uint64_t inode 8 bytes
628 16 unit64_t extid 8 bytes
629 24 char [] name zero terminated namelen bytes
630 minimum length == 24.
634 #define MSG_FILE_RENAMED_MIN_SIZE 24
637 * On the wire return values for oplock types.
640 #define CORE_OPLOCK_GRANTED (1<<5)
641 #define EXTENDED_OPLOCK_GRANTED (1<<15)
643 #define NO_OPLOCK_RETURN 0
644 #define EXCLUSIVE_OPLOCK_RETURN 1
645 #define BATCH_OPLOCK_RETURN 2
646 #define LEVEL_II_OPLOCK_RETURN 3
649 #define OPLOCKLEVEL_NONE 0
650 #define OPLOCKLEVEL_II 1
653 * Capabilities abstracted for different systems.
656 enum smbd_capability {
657 KERNEL_OPLOCK_CAPABILITY,
658 DMAPI_ACCESS_CAPABILITY,
660 DAC_OVERRIDE_CAPABILITY
664 * Kernel oplocks capability flags.
667 /* Level 2 oplocks are supported natively by kernel oplocks. */
668 #define KOPLOCKS_LEVEL2_SUPPORTED 0x1
670 /* The kernel notifies deferred openers when they can retry the open. */
671 #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION 0x2
673 /* The kernel notifies smbds when an oplock break times out. */
674 #define KOPLOCKS_TIMEOUT_NOTIFICATION 0x4
676 /* The kernel notifies smbds when an oplock is broken. */
677 #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION 0x8
679 struct kernel_oplocks_ops;
680 struct kernel_oplocks {
681 const struct kernel_oplocks_ops *ops;
686 enum level2_contention_type {
687 LEVEL2_CONTEND_ALLOC_SHRINK,
688 LEVEL2_CONTEND_ALLOC_GROW,
689 LEVEL2_CONTEND_SET_FILE_LEN,
690 LEVEL2_CONTEND_FILL_SPARSE,
691 LEVEL2_CONTEND_WRITE,
692 LEVEL2_CONTEND_WINDOWS_BRL,
693 LEVEL2_CONTEND_POSIX_BRL
696 /* if a kernel does support oplocks then a structure of the following
697 typee is used to describe how to interact with the kernel */
698 struct kernel_oplocks_ops {
699 bool (*set_oplock)(struct kernel_oplocks *ctx,
700 files_struct *fsp, int oplock_type);
701 void (*release_oplock)(struct kernel_oplocks *ctx,
702 files_struct *fsp, int oplock_type);
703 void (*contend_level2_oplocks_begin)(files_struct *fsp,
704 enum level2_contention_type type);
705 void (*contend_level2_oplocks_end)(files_struct *fsp,
706 enum level2_contention_type type);
709 #include "smb_macros.h"
711 #define MAX_NETBIOSNAME_LEN 16
712 /* DOS character, NetBIOS namestring. Type used on the wire. */
713 typedef char nstring[MAX_NETBIOSNAME_LEN];
714 /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */
715 typedef char unstring[MAX_NETBIOSNAME_LEN*4];
717 /* A netbios name structure. */
721 unsigned int name_type;
724 /* A netbios node status array element. */
731 /* The extra info from a NetBIOS node status query */
732 struct node_status_extra {
733 unsigned char mac_addr[6];
734 /* There really is more here ... */
737 #define SAFE_NETBIOS_CHARS ". -_"
739 /* The maximum length of a trust account password.
740 Used when we randomly create it, 15 char passwords
741 exceed NT4's max password length */
743 #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14
747 #define LDAP_PORT 389
749 #define LDAP_GC_PORT 3268
751 /* used by the IP comparison function */
753 struct sockaddr_storage ss;
764 struct ea_list *next, *prev;
768 /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */
769 #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI"
770 /* EA to use for DOS attributes */
771 #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB"
772 /* Prefix for DosStreams in the vfs_streams_xattr module */
773 #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream."
774 /* Prefix for xattrs storing streams. */
775 #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS"
777 /* usershare error codes. */
780 USERSHARE_MALFORMED_FILE,
781 USERSHARE_BAD_VERSION,
782 USERSHARE_MALFORMED_PATH,
783 USERSHARE_MALFORMED_COMMENT_DEF,
784 USERSHARE_MALFORMED_ACL_DEF,
786 USERSHARE_PATH_NOT_ABSOLUTE,
787 USERSHARE_PATH_IS_DENIED,
788 USERSHARE_PATH_NOT_ALLOWED,
789 USERSHARE_PATH_NOT_DIRECTORY,
791 USERSHARE_MALFORMED_SHARENAME_DEF,
792 USERSHARE_BAD_SHARENAME
795 /* Different reasons for closing a file. */
796 enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE};
798 /* Used in SMB_FS_OBJECTID_INFORMATION requests. Must be exactly 48 bytes. */
799 #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */
800 #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28
801 struct smb_extended_info {
802 uint32_t samba_magic; /* Always SAMBA_EXTRA_INFO_MAGIC */
803 uint32_t samba_version; /* Major/Minor/Release/Revision */
804 uint32_t samba_subversion; /* Prerelease/RC/Vendor patch */
805 NTTIME samba_gitcommitdate;
806 char samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH];
810 * Reasons for cache flush.
813 enum flush_reason_enum {
818 SAMBA_OPLOCK_RELEASE_FLUSH,
821 SAMBA_SIZECHANGE_FLUSH,