2 Unix SMB/Netbios implementation.
4 Copyright (C) Stefan Metzmacher 2009
5 Copyright (C) Jeremy Allison 2010
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program 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 the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "system/select.h"
22 #include "librpc/gen_ndr/smbXsrv.h"
24 extern int aio_pending_size
;
25 extern int outstanding_aio_calls
;
28 struct smbd_dmapi_context
;
29 extern struct smbd_dmapi_context
*dmapi_ctx
;
32 extern bool dfree_broken
;
34 /* how many write cache buffers have been allocated */
35 extern unsigned int allocated_write_caches
;
37 /* A singleton cache to speed up searching by dev/inode. */
38 struct fsp_singleton_cache
{
43 extern const struct mangle_fns
*mangle_fns
;
45 extern unsigned char *chartest
;
47 extern struct tdb_context
*tdb_mangled_cache
;
50 this determines how many characters are used from the original filename
51 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
52 The largest possible value is 6.
54 extern unsigned mangle_prefix
;
58 extern bool logged_ioctl_message
;
62 extern time_t last_smb_conf_reload_time
;
63 extern time_t last_printer_reload_time
;
64 extern pid_t background_lpq_updater_pid
;
66 /****************************************************************************
67 structure to hold a linked list of queued messages.
69 ****************************************************************************/
70 extern uint32_t common_flags2
;
72 extern struct smb_trans_enc_state
*partial_srv_trans_enc_ctx
;
73 extern struct smb_trans_enc_state
*srv_trans_enc_ctx
;
76 struct security_unix_token ut
;
77 struct security_token
*token
;
79 /* A stack of security contexts. We include the current context as being
80 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
81 extern struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
82 extern int sec_ctx_stack_ndx
;
83 extern bool become_uid_done
;
84 extern bool become_gid_done
;
86 extern connection_struct
*last_conn
;
87 extern uint16_t last_flags
;
89 extern uint32_t global_client_caps
;
91 extern uint16_t fnf_handle
;
94 connection_struct
*conn
;
97 /* A stack of current_user connection contexts. */
98 extern struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
99 extern int conn_ctx_stack_ndx
;
101 struct vfs_init_function_entry
;
102 extern struct vfs_init_function_entry
*backends
;
103 extern char *sparse_buf
;
104 extern char *LastDir
;
106 struct smbd_parent_context
;
107 extern struct smbd_parent_context
*am_parent
;
108 extern struct memcache
*smbd_memcache_ctx
;
109 extern bool exit_firsttime
;
111 struct tstream_context
;
112 struct smbd_smb2_request
;
114 DATA_BLOB
negprot_spnego(TALLOC_CTX
*ctx
, struct smbd_server_connection
*sconn
);
116 void smbd_lock_socket(struct smbd_server_connection
*sconn
);
117 void smbd_unlock_socket(struct smbd_server_connection
*sconn
);
118 void smbd_echo_init(struct smbd_server_connection
*sconn
);
120 NTSTATUS
smbd_do_locking(struct smb_request
*req
,
125 struct smbd_lock_element
*locks
,
127 NTSTATUS
smbd_do_unlocking(struct smb_request
*req
,
130 struct smbd_lock_element
*ulocks
);
132 NTSTATUS
smbd_do_qfilepathinfo(connection_struct
*conn
,
136 struct smb_filename
*smb_fname
,
138 struct timespec write_time_ts
,
139 struct ea_list
*ea_list
,
143 unsigned int max_data_bytes
,
144 size_t *fixed_portion
,
146 unsigned int *pdata_size
);
148 NTSTATUS
smbd_do_setfilepathinfo(connection_struct
*conn
,
149 struct smb_request
*req
,
153 struct smb_filename
*smb_fname
,
154 char **ppdata
, int total_data
,
157 NTSTATUS
smbd_do_qfsinfo(connection_struct
*conn
,
161 unsigned int max_data_bytes
,
162 size_t *fixed_portion
,
163 struct smb_filename
*smb_fname
,
167 bool smbd_dirptr_get_entry(TALLOC_CTX
*ctx
,
168 struct dptr_struct
*dirptr
,
173 bool (*match_fn
)(TALLOC_CTX
*ctx
,
178 bool (*mode_fn
)(TALLOC_CTX
*ctx
,
180 struct smb_filename
*smb_fname
,
184 struct smb_filename
**_smb_fname
,
188 bool smbd_dirptr_lanman2_entry(TALLOC_CTX
*ctx
,
189 connection_struct
*conn
,
190 struct dptr_struct
*dirptr
,
192 const char *path_mask
,
195 int requires_resume_key
,
205 bool *got_exact_match
,
206 int *_last_entry_off
,
207 struct ea_list
*name_list
);
209 NTSTATUS
smbd_calculate_access_mask(connection_struct
*conn
,
210 const struct smb_filename
*smb_fname
,
212 uint32_t access_mask
,
213 uint32_t *access_mask_out
);
215 void smbd_notify_cancel_by_smbreq(const struct smb_request
*smbreq
);
217 void smbd_server_connection_terminate_ex(struct smbd_server_connection
*sconn
,
219 const char *location
);
220 #define smbd_server_connection_terminate(sconn, reason) \
221 smbd_server_connection_terminate_ex(sconn, reason, __location__)
223 const char *smb2_opcode_name(uint16_t opcode
);
224 bool smbd_is_smb2_header(const uint8_t *inbuf
, size_t size
);
226 void reply_smb2002(struct smb_request
*req
, uint16_t choice
);
227 void reply_smb20ff(struct smb_request
*req
, uint16_t choice
);
228 void smbd_smb2_first_negprot(struct smbd_server_connection
*sconn
,
229 uint8_t *inbuf
, size_t size
);
231 DATA_BLOB
smbd_smb2_generate_outbody(struct smbd_smb2_request
*req
, size_t size
);
233 NTSTATUS
smbd_smb2_request_error_ex(struct smbd_smb2_request
*req
,
236 const char *location
);
237 #define smbd_smb2_request_error(req, status) \
238 smbd_smb2_request_error_ex(req, status, NULL, __location__)
239 NTSTATUS
smbd_smb2_request_done_ex(struct smbd_smb2_request
*req
,
241 DATA_BLOB body
, DATA_BLOB
*dyn
,
242 const char *location
);
243 #define smbd_smb2_request_done(req, body, dyn) \
244 smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
246 NTSTATUS
smbd_smb2_send_oplock_break(struct smbd_server_connection
*sconn
,
247 struct smbXsrv_session
*session
,
248 struct smbXsrv_tcon
*tcon
,
249 struct smbXsrv_open
*op
,
250 uint8_t oplock_level
);
252 NTSTATUS
smbd_smb2_request_pending_queue(struct smbd_smb2_request
*req
,
253 struct tevent_req
*subreq
,
254 uint32_t defer_time
);
256 struct smb_request
*smbd_smb2_fake_smb_request(struct smbd_smb2_request
*req
);
257 size_t smbd_smb2_unread_bytes(struct smbd_smb2_request
*req
);
258 void remove_smb2_chained_fsp(files_struct
*fsp
);
260 NTSTATUS
smbd_smb2_request_verify_creditcharge(struct smbd_smb2_request
*req
,
261 uint32_t data_length
);
263 NTSTATUS
smbd_smb2_request_verify_sizes(struct smbd_smb2_request
*req
,
264 size_t expected_body_size
);
266 enum protocol_types
smbd_smb2_protocol_dialect_match(const uint8_t *indyn
,
267 const int dialect_count
,
269 NTSTATUS
smbd_smb2_request_process_negprot(struct smbd_smb2_request
*req
);
270 NTSTATUS
smbd_smb2_request_process_sesssetup(struct smbd_smb2_request
*req
);
271 NTSTATUS
smbd_smb2_request_process_logoff(struct smbd_smb2_request
*req
);
272 NTSTATUS
smbd_smb2_request_process_tcon(struct smbd_smb2_request
*req
);
273 NTSTATUS
smbd_smb2_request_process_tdis(struct smbd_smb2_request
*req
);
274 NTSTATUS
smbd_smb2_request_process_create(struct smbd_smb2_request
*req
);
275 NTSTATUS
smbd_smb2_request_process_close(struct smbd_smb2_request
*req
);
276 NTSTATUS
smbd_smb2_request_process_flush(struct smbd_smb2_request
*req
);
277 NTSTATUS
smbd_smb2_request_process_read(struct smbd_smb2_request
*req
);
278 NTSTATUS
smb2_read_complete(struct tevent_req
*req
, ssize_t nread
, int err
);
279 NTSTATUS
smbd_smb2_request_process_write(struct smbd_smb2_request
*req
);
280 NTSTATUS
smb2_write_complete(struct tevent_req
*req
, ssize_t nwritten
, int err
);
281 NTSTATUS
smb2_write_complete_nosync(struct tevent_req
*req
, ssize_t nwritten
,
283 NTSTATUS
smbd_smb2_request_process_lock(struct smbd_smb2_request
*req
);
284 NTSTATUS
smbd_smb2_request_process_ioctl(struct smbd_smb2_request
*req
);
285 NTSTATUS
smbd_smb2_request_process_keepalive(struct smbd_smb2_request
*req
);
286 NTSTATUS
smbd_smb2_request_process_find(struct smbd_smb2_request
*req
);
287 NTSTATUS
smbd_smb2_request_process_notify(struct smbd_smb2_request
*req
);
288 NTSTATUS
smbd_smb2_request_process_getinfo(struct smbd_smb2_request
*req
);
289 NTSTATUS
smbd_smb2_request_process_setinfo(struct smbd_smb2_request
*req
);
290 NTSTATUS
smbd_smb2_request_process_break(struct smbd_smb2_request
*req
);
291 NTSTATUS
smbd_smb2_request_dispatch(struct smbd_smb2_request
*req
);
292 void smbd_smb2_request_dispatch_immediate(struct tevent_context
*ctx
,
293 struct tevent_immediate
*im
,
296 struct deferred_open_record
;
298 /* SMB1 -> SMB2 glue. */
299 void send_break_message_smb2(files_struct
*fsp
, int level
);
300 struct blocking_lock_record
*get_pending_smb2req_blr(struct smbd_smb2_request
*smb2req
);
301 bool push_blocking_lock_request_smb2( struct byte_range_lock
*br_lck
,
302 struct smb_request
*req
,
307 enum brl_type lock_type
,
308 enum brl_flavour lock_flav
,
311 uint64_t blocking_smblctx
);
312 void process_blocking_lock_queue_smb2(
313 struct smbd_server_connection
*sconn
, struct timeval tv_curr
);
314 void cancel_pending_lock_requests_by_fid_smb2(files_struct
*fsp
,
315 struct byte_range_lock
*br_lck
,
316 enum file_close_type close_type
);
317 /* From smbd/smb2_create.c */
318 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level
);
319 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request
*smb2req
,
320 struct timeval
*p_request_time
,
321 struct deferred_open_record
**open_rec
);
322 bool open_was_deferred_smb2(struct smbd_server_connection
*sconn
,
324 void remove_deferred_open_message_smb2(
325 struct smbd_server_connection
*sconn
, uint64_t mid
);
326 bool schedule_deferred_open_message_smb2(
327 struct smbd_server_connection
*sconn
, uint64_t mid
);
328 bool push_deferred_open_message_smb2(struct smbd_smb2_request
*smb2req
,
329 struct timeval request_time
,
330 struct timeval timeout
,
332 struct deferred_open_record
*open_rec
);
334 struct smbXsrv_connection
{
335 struct smbd_server_connection
*sconn
;
337 const struct tsocket_address
*local_address
;
338 const struct tsocket_address
*remote_address
;
339 const char *remote_hostname
;
341 struct tevent_context
*ev_ctx
;
342 struct messaging_context
*msg_ctx
;
344 enum protocol_types protocol
;
348 uint32_t capabilities
;
350 uint16_t security_mode
;
351 uint16_t num_dialects
;
355 uint32_t capabilities
;
357 uint16_t security_mode
;
365 struct msg_state
*msg_state
;
368 * Link into libasys for asynchronous operations
370 struct asys_context
*asys_ctx
;
371 struct tevent_fd
*asys_fde
;
373 uint64_t smbd_idle_profstamp
;
376 * this session_table is used for SMB1 and SMB2,
378 struct smbXsrv_session_table
*session_table
;
379 uint64_t last_session_id
;
381 * this tcon_table is only used for SMB1.
383 struct smbXsrv_tcon_table
*tcon_table
;
385 * this open_table is used for SMB1 and SMB2,
386 * because we have a global sconn->real_max_open_files
389 struct smbXsrv_open_table
*open_table
;
392 NTSTATUS
smbXsrv_version_global_init(const struct server_id
*server_id
);
393 uint32_t smbXsrv_version_global_current(void);
395 NTSTATUS
smbXsrv_connection_init_tables(struct smbXsrv_connection
*conn
,
396 enum protocol_types protocol
);
398 NTSTATUS
smbXsrv_session_global_init(void);
399 NTSTATUS
smbXsrv_session_create(struct smbXsrv_connection
*conn
,
401 struct smbXsrv_session
**_session
);
402 NTSTATUS
smbXsrv_session_update(struct smbXsrv_session
*session
);
403 NTSTATUS
smbXsrv_session_logoff(struct smbXsrv_session
*session
);
404 NTSTATUS
smbXsrv_session_logoff_all(struct smbXsrv_connection
*conn
);
405 NTSTATUS
smb1srv_session_table_init(struct smbXsrv_connection
*conn
);
406 NTSTATUS
smb1srv_session_lookup(struct smbXsrv_connection
*conn
,
407 uint16_t vuid
, NTTIME now
,
408 struct smbXsrv_session
**session
);
409 NTSTATUS
smb2srv_session_table_init(struct smbXsrv_connection
*conn
);
410 NTSTATUS
smb2srv_session_lookup(struct smbXsrv_connection
*conn
,
411 uint64_t session_id
, NTTIME now
,
412 struct smbXsrv_session
**session
);
413 struct smbXsrv_session_global0
;
414 NTSTATUS
smbXsrv_session_global_traverse(
415 int (*fn
)(struct smbXsrv_session_global0
*, void *),
417 struct tevent_req
*smb2srv_session_close_previous_send(TALLOC_CTX
*mem_ctx
,
418 struct tevent_context
*ev
,
419 struct smbXsrv_connection
*conn
,
420 struct auth_session_info
*session_info
,
421 uint64_t previous_session_id
,
422 uint64_t current_session_id
);
423 NTSTATUS
smb2srv_session_close_previous_recv(struct tevent_req
*req
);
425 NTSTATUS
smbXsrv_tcon_global_init(void);
426 NTSTATUS
smbXsrv_tcon_update(struct smbXsrv_tcon
*tcon
);
427 NTSTATUS
smbXsrv_tcon_disconnect(struct smbXsrv_tcon
*tcon
, uint64_t vuid
);
428 NTSTATUS
smb1srv_tcon_table_init(struct smbXsrv_connection
*conn
);
429 NTSTATUS
smb1srv_tcon_create(struct smbXsrv_connection
*conn
,
431 struct smbXsrv_tcon
**_tcon
);
432 NTSTATUS
smb1srv_tcon_lookup(struct smbXsrv_connection
*conn
,
433 uint16_t tree_id
, NTTIME now
,
434 struct smbXsrv_tcon
**tcon
);
435 NTSTATUS
smb1srv_tcon_disconnect_all(struct smbXsrv_connection
*conn
);
436 NTSTATUS
smb2srv_tcon_table_init(struct smbXsrv_session
*session
);
437 NTSTATUS
smb2srv_tcon_create(struct smbXsrv_session
*session
,
439 struct smbXsrv_tcon
**_tcon
);
440 NTSTATUS
smb2srv_tcon_lookup(struct smbXsrv_session
*session
,
441 uint32_t tree_id
, NTTIME now
,
442 struct smbXsrv_tcon
**tcon
);
443 NTSTATUS
smb2srv_tcon_disconnect_all(struct smbXsrv_session
*session
);
444 struct smbXsrv_tcon_global0
;
445 NTSTATUS
smbXsrv_tcon_global_traverse(
446 int (*fn
)(struct smbXsrv_tcon_global0
*, void *),
449 NTSTATUS
smbXsrv_open_global_init(void);
450 NTSTATUS
smbXsrv_open_create(struct smbXsrv_connection
*conn
,
451 struct auth_session_info
*session_info
,
453 struct smbXsrv_open
**_open
);
454 uint32_t smbXsrv_open_hash(struct smbXsrv_open
*_open
);
455 NTSTATUS
smbXsrv_open_update(struct smbXsrv_open
*_open
);
456 NTSTATUS
smbXsrv_open_close(struct smbXsrv_open
*op
, NTTIME now
);
457 NTSTATUS
smb1srv_open_table_init(struct smbXsrv_connection
*conn
);
458 NTSTATUS
smb1srv_open_lookup(struct smbXsrv_connection
*conn
,
459 uint16_t fnum
, NTTIME now
,
460 struct smbXsrv_open
**_open
);
461 NTSTATUS
smb2srv_open_table_init(struct smbXsrv_connection
*conn
);
462 NTSTATUS
smb2srv_open_lookup(struct smbXsrv_connection
*conn
,
463 uint64_t persistent_id
,
464 uint64_t volatile_id
,
466 struct smbXsrv_open
**_open
);
467 NTSTATUS
smb2srv_open_recreate(struct smbXsrv_connection
*conn
,
468 struct auth_session_info
*session_info
,
469 uint64_t persistent_id
,
470 const struct GUID
*create_guid
,
472 struct smbXsrv_open
**_open
);
473 struct smbXsrv_open_global0
;
474 NTSTATUS
smbXsrv_open_global_traverse(
475 int (*fn
)(struct smbXsrv_open_global0
*, void *),
478 NTSTATUS
smbXsrv_open_cleanup(uint64_t persistent_id
);
480 struct smbd_smb2_send_queue
{
481 struct smbd_smb2_send_queue
*prev
, *next
;
483 DATA_BLOB
*sendfile_header
;
484 struct iovec
*vector
;
490 struct smbd_smb2_request
{
491 struct smbd_smb2_request
*prev
, *next
;
493 struct smbd_server_connection
*sconn
;
495 struct smbd_smb2_send_queue queue_entry
;
497 /* the session the request operates on, maybe NULL */
498 struct smbXsrv_session
*session
;
499 uint64_t last_session_id
;
501 /* the tcon the request operates on, maybe NULL */
502 struct smbXsrv_tcon
*tcon
;
508 struct tevent_timer
*async_te
;
509 bool compound_related
;
512 * the encryption key for the whole
517 * the signing key for the last
518 * request/response of a compound chain
522 struct timeval request_time
;
524 /* fake smb1 request. */
525 struct smb_request
*smb1req
;
526 struct files_struct
*compat_chain_fsp
;
529 * The sub request for async backend calls.
530 * This is used for SMB2 Cancel.
532 struct tevent_req
*subreq
;
534 #define SMBD_SMB2_TF_IOV_OFS 0
535 #define SMBD_SMB2_HDR_IOV_OFS 1
536 #define SMBD_SMB2_BODY_IOV_OFS 2
537 #define SMBD_SMB2_DYN_IOV_OFS 3
539 #define SMBD_SMB2_NUM_IOV_PER_REQ 4
541 #define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
542 (&req->dir.vector[(idx)+(ofs)])
544 #define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
545 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
546 #define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
547 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
548 #define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
549 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
550 #define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
551 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
553 #define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
554 #define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
555 #define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
556 #define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
557 #define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
558 #define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
559 #define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
560 #define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
561 #define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
562 #define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
564 #define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
565 #define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
566 #define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
567 #define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
568 #define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
569 #define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
570 #define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
571 #define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
572 #define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
573 #define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
575 #define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
579 * vector[0] TRANSPORT HEADER (empty)
581 * vector[1] SMB2_TRANSFORM (optional)
583 * vector[3] fixed body
584 * vector[4] dynamic body
588 * vector[5] SMB2_TRANSFORM (optional)
590 * vector[7] fixed body
591 * vector[8] dynamic body
596 struct iovec
*vector
;
598 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
601 /* the NBT header is not allocated */
604 * vector[0] TRANSPORT HEADER
606 * vector[1] SMB2_TRANSFORM (optional)
608 * vector[3] fixed body
609 * vector[4] dynamic body
613 * vector[5] SMB2_TRANSFORM (empty)
615 * vector[7] fixed body
616 * vector[8] dynamic body
621 struct iovec
*vector
;
623 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
624 #define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
625 uint8_t _hdr
[OUTVEC_ALLOC_SIZE
];
630 struct smbd_server_connection
;
633 struct pending_message_list
;
634 struct pending_auth_data
;
637 struct user_struct
*next
, *prev
;
638 uint64_t vuid
; /* Tag for this entry. */
640 char *session_keystr
; /* used by utmp and pam session code.
644 struct auth_session_info
*session_info
;
646 struct smbXsrv_session
*session
;
649 struct smbd_server_connection
{
652 const struct tsocket_address
*local_address
;
653 const struct tsocket_address
*remote_address
;
654 const char *remote_hostname
;
655 struct tevent_context
*ev_ctx
;
656 struct messaging_context
*msg_ctx
;
657 struct sys_notify_context
*sys_notify_ctx
;
658 struct notify_context
*notify_ctx
;
666 struct user_struct
*users
;
668 size_t num_connections
;
669 struct connection_struct
*connections
;
672 struct files_struct
*files
;
674 int real_max_open_files
;
675 struct fsp_singleton_cache fsp_fi_cache
;
677 struct pending_message_list
*deferred_open_queue
;
680 /* open directory handles. */
682 struct bitmap
*dptr_bmap
;
683 struct dptr_struct
*dirptrs
;
687 uint64_t num_requests
;
689 /* Current number of oplocks we have outstanding. */
691 int32_t exclusive_open
;
692 int32_t level_II_open
;
693 struct kernel_oplocks
*kernel_ops
;
697 struct tevent_fd
*fde
;
702 * fd for the fcntl lock and process shared
703 * robust mutex to coordinate access to the
704 * client socket. When the system supports
705 * process shared robust mutexes, those are
706 * used. If not, then the fcntl lock will be
710 #ifdef HAVE_ROBUST_MUTEXES
711 pthread_mutex_t
*socket_mutex
;
715 * fd for the trusted pipe from
721 * fde for the trusted_fd
723 struct tevent_fd
*trusted_fde
;
726 * Reference count for the fcntl lock to
727 * allow recursive locks.
733 bool encrypted_passwords
;
735 struct auth4_context
*auth_context
;
738 * Size of the data we can receive. Set by us.
739 * Can be modified by the max xmit parameter.
745 uint16_t client_major
;
746 uint16_t client_minor
;
747 uint32_t client_cap_low
;
748 uint32_t client_cap_high
;
754 * Size of data we can send to client. Set
755 * by the client for all protocols above CORE.
756 * Set by us for CORE protocol.
760 struct smb_signing_state
*signing_state
;
762 struct notify_mid_map
*notify_mid_maps
;
765 /* dlink list we store pending lock records on. */
766 struct blocking_lock_record
*blocking_lock_queue
;
767 /* dlink list we move cancelled lock records onto. */
768 struct blocking_lock_record
*blocking_lock_cancelled_queue
;
770 /* The event that makes us process our blocking lock queue */
771 struct tevent_timer
*brl_timeout
;
773 bool blocking_lock_unlock_state
;
774 bool blocking_lock_cancel_state
;
778 struct smbd_smb2_request_read_state
{
779 struct smbd_smb2_request
*req
;
781 uint8_t nbt
[NBT_HDR_SIZE
];
785 bool doing_receivefile
;
786 size_t min_recv_size
;
790 } request_read_state
;
791 struct smbd_smb2_send_queue
*send_queue
;
792 size_t send_queue_len
;
793 struct tevent_fd
*fde
;
796 /* The event that makes us process our blocking lock queue */
797 struct tevent_timer
*brl_timeout
;
798 bool blocking_lock_unlock_state
;
800 struct smbd_smb2_request
*requests
;
802 * seqnum_low is the lowest sequence number
807 * seqnum_range is the range of credits we have
808 * granted from the sequence windows starting
811 * This gets incremented when new credits are
812 * granted and gets decremented when the
813 * lowest sequence number is consumed
814 * (when seqnum_low gets incremented).
816 uint16_t seqnum_range
;
818 * credits_grantedThe number of credits we have currently granted
821 * This gets incremented when new credits are
822 * granted and gets decremented when any credit
825 * Note: the decrementing is different compared
828 uint16_t credits_granted
;
830 * The maximum number of credits we will ever
831 * grant to the client.
833 * Typically we will only grant 1/16th of
836 * This is the "server max credits" parameter.
838 uint16_t max_credits
;
840 * a bitmap of size max_credits
842 struct bitmap
*credits_bitmap
;
843 bool supports_multicredit
;
849 struct smbXsrv_connection
*conn
;
852 extern struct smbXsrv_connection
*global_smbXsrv_connection
;
854 void smbd_init_globals(void);