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
;
356 uint32_t capabilities
;
358 uint16_t security_mode
;
359 uint16_t num_dialects
;
363 uint32_t capabilities
;
365 uint16_t security_mode
;
373 struct msg_state
*msg_state
;
376 * Link into libasys for asynchronous operations
378 struct asys_context
*asys_ctx
;
379 struct tevent_fd
*asys_fde
;
381 uint64_t smbd_idle_profstamp
;
384 * this session_table is used for SMB1 and SMB2,
386 struct smbXsrv_session_table
*session_table
;
387 uint64_t last_session_id
;
389 * this tcon_table is only used for SMB1.
391 struct smbXsrv_tcon_table
*tcon_table
;
393 * this open_table is used for SMB1 and SMB2,
394 * because we have a global sconn->real_max_open_files
397 struct smbXsrv_open_table
*open_table
;
400 const char *smbXsrv_connection_dbg(const struct smbXsrv_connection
*xconn
);
402 NTSTATUS
smbXsrv_version_global_init(const struct server_id
*server_id
);
403 uint32_t smbXsrv_version_global_current(void);
405 NTSTATUS
smbXsrv_connection_init_tables(struct smbXsrv_connection
*conn
,
406 enum protocol_types protocol
);
408 NTSTATUS
smbXsrv_session_global_init(void);
409 NTSTATUS
smbXsrv_session_create(struct smbXsrv_connection
*conn
,
411 struct smbXsrv_session
**_session
);
412 NTSTATUS
smbXsrv_session_update(struct smbXsrv_session
*session
);
413 NTSTATUS
smbXsrv_session_logoff(struct smbXsrv_session
*session
);
414 NTSTATUS
smbXsrv_session_logoff_all(struct smbXsrv_connection
*conn
);
415 NTSTATUS
smb1srv_session_table_init(struct smbXsrv_connection
*conn
);
416 NTSTATUS
smb1srv_session_lookup(struct smbXsrv_connection
*conn
,
417 uint16_t vuid
, NTTIME now
,
418 struct smbXsrv_session
**session
);
419 NTSTATUS
smb2srv_session_table_init(struct smbXsrv_connection
*conn
);
420 NTSTATUS
smb2srv_session_lookup(struct smbXsrv_connection
*conn
,
421 uint64_t session_id
, NTTIME now
,
422 struct smbXsrv_session
**session
);
423 struct smbXsrv_session_global0
;
424 NTSTATUS
smbXsrv_session_global_traverse(
425 int (*fn
)(struct smbXsrv_session_global0
*, void *),
427 struct tevent_req
*smb2srv_session_close_previous_send(TALLOC_CTX
*mem_ctx
,
428 struct tevent_context
*ev
,
429 struct smbXsrv_connection
*conn
,
430 struct auth_session_info
*session_info
,
431 uint64_t previous_session_id
,
432 uint64_t current_session_id
);
433 NTSTATUS
smb2srv_session_close_previous_recv(struct tevent_req
*req
);
435 NTSTATUS
smbXsrv_tcon_global_init(void);
436 NTSTATUS
smbXsrv_tcon_update(struct smbXsrv_tcon
*tcon
);
437 NTSTATUS
smbXsrv_tcon_disconnect(struct smbXsrv_tcon
*tcon
, uint64_t vuid
);
438 NTSTATUS
smb1srv_tcon_table_init(struct smbXsrv_connection
*conn
);
439 NTSTATUS
smb1srv_tcon_create(struct smbXsrv_connection
*conn
,
441 struct smbXsrv_tcon
**_tcon
);
442 NTSTATUS
smb1srv_tcon_lookup(struct smbXsrv_connection
*conn
,
443 uint16_t tree_id
, NTTIME now
,
444 struct smbXsrv_tcon
**tcon
);
445 NTSTATUS
smb1srv_tcon_disconnect_all(struct smbXsrv_connection
*conn
);
446 NTSTATUS
smb2srv_tcon_table_init(struct smbXsrv_session
*session
);
447 NTSTATUS
smb2srv_tcon_create(struct smbXsrv_session
*session
,
449 struct smbXsrv_tcon
**_tcon
);
450 NTSTATUS
smb2srv_tcon_lookup(struct smbXsrv_session
*session
,
451 uint32_t tree_id
, NTTIME now
,
452 struct smbXsrv_tcon
**tcon
);
453 NTSTATUS
smb2srv_tcon_disconnect_all(struct smbXsrv_session
*session
);
454 struct smbXsrv_tcon_global0
;
455 NTSTATUS
smbXsrv_tcon_global_traverse(
456 int (*fn
)(struct smbXsrv_tcon_global0
*, void *),
459 NTSTATUS
smbXsrv_open_global_init(void);
460 NTSTATUS
smbXsrv_open_create(struct smbXsrv_connection
*conn
,
461 struct auth_session_info
*session_info
,
463 struct smbXsrv_open
**_open
);
464 uint32_t smbXsrv_open_hash(struct smbXsrv_open
*_open
);
465 NTSTATUS
smbXsrv_open_update(struct smbXsrv_open
*_open
);
466 NTSTATUS
smbXsrv_open_close(struct smbXsrv_open
*op
, NTTIME now
);
467 NTSTATUS
smb1srv_open_table_init(struct smbXsrv_connection
*conn
);
468 NTSTATUS
smb1srv_open_lookup(struct smbXsrv_connection
*conn
,
469 uint16_t fnum
, NTTIME now
,
470 struct smbXsrv_open
**_open
);
471 NTSTATUS
smb2srv_open_table_init(struct smbXsrv_connection
*conn
);
472 NTSTATUS
smb2srv_open_lookup(struct smbXsrv_connection
*conn
,
473 uint64_t persistent_id
,
474 uint64_t volatile_id
,
476 struct smbXsrv_open
**_open
);
477 NTSTATUS
smb2srv_open_recreate(struct smbXsrv_connection
*conn
,
478 struct auth_session_info
*session_info
,
479 uint64_t persistent_id
,
480 const struct GUID
*create_guid
,
482 struct smbXsrv_open
**_open
);
483 struct smbXsrv_open_global0
;
484 NTSTATUS
smbXsrv_open_global_traverse(
485 int (*fn
)(struct smbXsrv_open_global0
*, void *),
488 NTSTATUS
smbXsrv_open_cleanup(uint64_t persistent_id
);
490 struct smbd_smb2_send_queue
{
491 struct smbd_smb2_send_queue
*prev
, *next
;
493 DATA_BLOB
*sendfile_header
;
494 struct iovec
*vector
;
500 struct smbd_smb2_request
{
501 struct smbd_smb2_request
*prev
, *next
;
503 struct smbd_server_connection
*sconn
;
505 struct smbd_smb2_send_queue queue_entry
;
507 /* the session the request operates on, maybe NULL */
508 struct smbXsrv_session
*session
;
509 uint64_t last_session_id
;
511 /* the tcon the request operates on, maybe NULL */
512 struct smbXsrv_tcon
*tcon
;
518 struct tevent_timer
*async_te
;
519 bool compound_related
;
522 * the encryption key for the whole
527 * the signing key for the last
528 * request/response of a compound chain
532 struct timeval request_time
;
534 /* fake smb1 request. */
535 struct smb_request
*smb1req
;
536 struct files_struct
*compat_chain_fsp
;
539 * The sub request for async backend calls.
540 * This is used for SMB2 Cancel.
542 struct tevent_req
*subreq
;
544 #define SMBD_SMB2_TF_IOV_OFS 0
545 #define SMBD_SMB2_HDR_IOV_OFS 1
546 #define SMBD_SMB2_BODY_IOV_OFS 2
547 #define SMBD_SMB2_DYN_IOV_OFS 3
549 #define SMBD_SMB2_NUM_IOV_PER_REQ 4
551 #define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
552 (&req->dir.vector[(idx)+(ofs)])
554 #define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
555 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
556 #define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
557 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
558 #define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
559 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
560 #define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
561 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
563 #define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
564 #define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
565 #define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
566 #define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
567 #define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
568 #define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
569 #define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
570 #define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
571 #define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
572 #define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
574 #define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
575 #define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
576 #define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
577 #define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
578 #define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
579 #define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
580 #define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
581 #define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
582 #define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
583 #define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
585 #define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
589 * vector[0] TRANSPORT HEADER (empty)
591 * vector[1] SMB2_TRANSFORM (optional)
593 * vector[3] fixed body
594 * vector[4] dynamic body
598 * vector[5] SMB2_TRANSFORM (optional)
600 * vector[7] fixed body
601 * vector[8] dynamic body
606 struct iovec
*vector
;
608 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
611 /* the NBT header is not allocated */
614 * vector[0] TRANSPORT HEADER
616 * vector[1] SMB2_TRANSFORM (optional)
618 * vector[3] fixed body
619 * vector[4] dynamic body
623 * vector[5] SMB2_TRANSFORM (empty)
625 * vector[7] fixed body
626 * vector[8] dynamic body
631 struct iovec
*vector
;
633 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
634 #define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
635 uint8_t _hdr
[OUTVEC_ALLOC_SIZE
];
640 struct smbd_server_connection
;
643 struct pending_message_list
;
644 struct pending_auth_data
;
647 struct user_struct
*next
, *prev
;
648 uint64_t vuid
; /* Tag for this entry. */
650 char *session_keystr
; /* used by utmp and pam session code.
654 struct auth_session_info
*session_info
;
656 struct smbXsrv_session
*session
;
659 struct smbd_server_connection
{
661 const struct tsocket_address
*local_address
;
662 const struct tsocket_address
*remote_address
;
663 const char *remote_hostname
;
664 struct tevent_context
*ev_ctx
;
665 struct messaging_context
*msg_ctx
;
666 struct sys_notify_context
*sys_notify_ctx
;
667 struct notify_context
*notify_ctx
;
672 struct user_struct
*users
;
674 size_t num_connections
;
675 struct connection_struct
*connections
;
678 struct files_struct
*files
;
680 int real_max_open_files
;
681 struct fsp_singleton_cache fsp_fi_cache
;
683 struct pending_message_list
*deferred_open_queue
;
686 /* open directory handles. */
688 struct bitmap
*dptr_bmap
;
689 struct dptr_struct
*dirptrs
;
693 uint64_t num_requests
;
695 /* Current number of oplocks we have outstanding. */
697 int32_t exclusive_open
;
698 int32_t level_II_open
;
699 struct kernel_oplocks
*kernel_ops
;
703 struct tevent_fd
*fde
;
708 * fd for the fcntl lock and process shared
709 * robust mutex to coordinate access to the
710 * client socket. When the system supports
711 * process shared robust mutexes, those are
712 * used. If not, then the fcntl lock will be
716 #ifdef HAVE_ROBUST_MUTEXES
717 pthread_mutex_t
*socket_mutex
;
721 * fd for the trusted pipe from
727 * fde for the trusted_fd
729 struct tevent_fd
*trusted_fde
;
732 * Reference count for the fcntl lock to
733 * allow recursive locks.
739 bool encrypted_passwords
;
741 struct auth4_context
*auth_context
;
744 * Size of the data we can receive. Set by us.
745 * Can be modified by the max xmit parameter.
751 uint16_t client_major
;
752 uint16_t client_minor
;
753 uint32_t client_cap_low
;
754 uint32_t client_cap_high
;
760 * Size of data we can send to client. Set
761 * by the client for all protocols above CORE.
762 * Set by us for CORE protocol.
766 struct smb_signing_state
*signing_state
;
768 struct notify_mid_map
*notify_mid_maps
;
771 /* dlink list we store pending lock records on. */
772 struct blocking_lock_record
*blocking_lock_queue
;
773 /* dlink list we move cancelled lock records onto. */
774 struct blocking_lock_record
*blocking_lock_cancelled_queue
;
776 /* The event that makes us process our blocking lock queue */
777 struct tevent_timer
*brl_timeout
;
779 bool blocking_lock_unlock_state
;
780 bool blocking_lock_cancel_state
;
784 struct smbd_smb2_request_read_state
{
785 struct smbd_smb2_request
*req
;
787 uint8_t nbt
[NBT_HDR_SIZE
];
791 bool doing_receivefile
;
792 size_t min_recv_size
;
796 } request_read_state
;
797 struct smbd_smb2_send_queue
*send_queue
;
798 size_t send_queue_len
;
799 struct tevent_fd
*fde
;
802 /* The event that makes us process our blocking lock queue */
803 struct tevent_timer
*brl_timeout
;
804 bool blocking_lock_unlock_state
;
806 struct smbd_smb2_request
*requests
;
808 * seqnum_low is the lowest sequence number
813 * seqnum_range is the range of credits we have
814 * granted from the sequence windows starting
817 * This gets incremented when new credits are
818 * granted and gets decremented when the
819 * lowest sequence number is consumed
820 * (when seqnum_low gets incremented).
822 uint16_t seqnum_range
;
824 * credits_grantedThe number of credits we have currently granted
827 * This gets incremented when new credits are
828 * granted and gets decremented when any credit
831 * Note: the decrementing is different compared
834 uint16_t credits_granted
;
836 * The maximum number of credits we will ever
837 * grant to the client.
839 * Typically we will only grant 1/16th of
842 * This is the "server max credits" parameter.
844 uint16_t max_credits
;
846 * a bitmap of size max_credits
848 struct bitmap
*credits_bitmap
;
849 bool supports_multicredit
;
855 struct smbXsrv_connection
*conn
;
858 extern struct smbXsrv_connection
*global_smbXsrv_connection
;
860 void smbd_init_globals(void);