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;
349 struct tevent_fd *fde;
358 uint32_t capabilities;
360 uint16_t security_mode;
361 uint16_t num_dialects;
365 uint32_t capabilities;
367 uint16_t security_mode;
375 struct msg_state *msg_state;
378 * Link into libasys for asynchronous operations
380 struct asys_context *asys_ctx;
381 struct tevent_fd *asys_fde;
383 uint64_t smbd_idle_profstamp;
386 * this session_table is used for SMB1 and SMB2,
388 struct smbXsrv_session_table *session_table;
389 uint64_t last_session_id;
391 * this tcon_table is only used for SMB1.
393 struct smbXsrv_tcon_table *tcon_table;
395 * this open_table is used for SMB1 and SMB2,
396 * because we have a global sconn->real_max_open_files
399 struct smbXsrv_open_table *open_table;
402 const char *smbXsrv_connection_dbg(const struct smbXsrv_connection *xconn);
404 NTSTATUS smbXsrv_version_global_init(const struct server_id *server_id);
405 uint32_t smbXsrv_version_global_current(void);
407 NTSTATUS smbXsrv_connection_init_tables(struct smbXsrv_connection *conn,
408 enum protocol_types protocol);
410 NTSTATUS smbXsrv_session_global_init(void);
411 NTSTATUS smbXsrv_session_create(struct smbXsrv_connection *conn,
413 struct smbXsrv_session **_session);
414 NTSTATUS smbXsrv_session_update(struct smbXsrv_session *session);
415 NTSTATUS smbXsrv_session_logoff(struct smbXsrv_session *session);
416 NTSTATUS smbXsrv_session_logoff_all(struct smbXsrv_connection *conn);
417 NTSTATUS smb1srv_session_table_init(struct smbXsrv_connection *conn);
418 NTSTATUS smb1srv_session_lookup(struct smbXsrv_connection *conn,
419 uint16_t vuid, NTTIME now,
420 struct smbXsrv_session **session);
421 NTSTATUS smb2srv_session_table_init(struct smbXsrv_connection *conn);
422 NTSTATUS smb2srv_session_lookup(struct smbXsrv_connection *conn,
423 uint64_t session_id, NTTIME now,
424 struct smbXsrv_session **session);
425 struct smbXsrv_session_global0;
426 NTSTATUS smbXsrv_session_global_traverse(
427 int (*fn)(struct smbXsrv_session_global0 *, void *),
429 struct tevent_req *smb2srv_session_close_previous_send(TALLOC_CTX *mem_ctx,
430 struct tevent_context *ev,
431 struct smbXsrv_connection *conn,
432 struct auth_session_info *session_info,
433 uint64_t previous_session_id,
434 uint64_t current_session_id);
435 NTSTATUS smb2srv_session_close_previous_recv(struct tevent_req *req);
437 NTSTATUS smbXsrv_tcon_global_init(void);
438 NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon);
439 NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid);
440 NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn);
441 NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
443 struct smbXsrv_tcon **_tcon);
444 NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
445 uint16_t tree_id, NTTIME now,
446 struct smbXsrv_tcon **tcon);
447 NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_connection *conn);
448 NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session);
449 NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
451 struct smbXsrv_tcon **_tcon);
452 NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
453 uint32_t tree_id, NTTIME now,
454 struct smbXsrv_tcon **tcon);
455 NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session);
456 struct smbXsrv_tcon_global0;
457 NTSTATUS smbXsrv_tcon_global_traverse(
458 int (*fn)(struct smbXsrv_tcon_global0 *, void *),
461 NTSTATUS smbXsrv_open_global_init(void);
462 NTSTATUS smbXsrv_open_create(struct smbXsrv_connection *conn,
463 struct auth_session_info *session_info,
465 struct smbXsrv_open **_open);
466 uint32_t smbXsrv_open_hash(struct smbXsrv_open *_open);
467 NTSTATUS smbXsrv_open_update(struct smbXsrv_open *_open);
468 NTSTATUS smbXsrv_open_close(struct smbXsrv_open *op, NTTIME now);
469 NTSTATUS smb1srv_open_table_init(struct smbXsrv_connection *conn);
470 NTSTATUS smb1srv_open_lookup(struct smbXsrv_connection *conn,
471 uint16_t fnum, NTTIME now,
472 struct smbXsrv_open **_open);
473 NTSTATUS smb2srv_open_table_init(struct smbXsrv_connection *conn);
474 NTSTATUS smb2srv_open_lookup(struct smbXsrv_connection *conn,
475 uint64_t persistent_id,
476 uint64_t volatile_id,
478 struct smbXsrv_open **_open);
479 NTSTATUS smb2srv_open_recreate(struct smbXsrv_connection *conn,
480 struct auth_session_info *session_info,
481 uint64_t persistent_id,
482 const struct GUID *create_guid,
484 struct smbXsrv_open **_open);
485 struct smbXsrv_open_global0;
486 NTSTATUS smbXsrv_open_global_traverse(
487 int (*fn)(struct smbXsrv_open_global0 *, void *),
490 NTSTATUS smbXsrv_open_cleanup(uint64_t persistent_id);
492 struct smbd_smb2_send_queue {
493 struct smbd_smb2_send_queue *prev, *next;
495 DATA_BLOB *sendfile_header;
496 struct iovec *vector;
502 struct smbd_smb2_request {
503 struct smbd_smb2_request *prev, *next;
505 struct smbd_server_connection *sconn;
507 struct smbd_smb2_send_queue queue_entry;
509 /* the session the request operates on, maybe NULL */
510 struct smbXsrv_session *session;
511 uint64_t last_session_id;
513 /* the tcon the request operates on, maybe NULL */
514 struct smbXsrv_tcon *tcon;
520 struct tevent_timer *async_te;
521 bool compound_related;
524 * the encryption key for the whole
529 * the signing key for the last
530 * request/response of a compound chain
534 struct timeval request_time;
536 /* fake smb1 request. */
537 struct smb_request *smb1req;
538 struct files_struct *compat_chain_fsp;
541 * The sub request for async backend calls.
542 * This is used for SMB2 Cancel.
544 struct tevent_req *subreq;
546 #define SMBD_SMB2_TF_IOV_OFS 0
547 #define SMBD_SMB2_HDR_IOV_OFS 1
548 #define SMBD_SMB2_BODY_IOV_OFS 2
549 #define SMBD_SMB2_DYN_IOV_OFS 3
551 #define SMBD_SMB2_NUM_IOV_PER_REQ 4
553 #define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
554 (&req->dir.vector[(idx)+(ofs)])
556 #define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
557 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
558 #define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
559 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
560 #define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
561 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
562 #define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
563 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
565 #define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
566 #define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
567 #define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
568 #define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
569 #define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
570 #define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
571 #define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
572 #define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
573 #define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
574 #define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
576 #define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
577 #define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
578 #define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
579 #define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
580 #define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
581 #define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
582 #define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
583 #define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
584 #define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
585 #define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
587 #define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
591 * vector[0] TRANSPORT HEADER (empty)
593 * vector[1] SMB2_TRANSFORM (optional)
595 * vector[3] fixed body
596 * vector[4] dynamic body
600 * vector[5] SMB2_TRANSFORM (optional)
602 * vector[7] fixed body
603 * vector[8] dynamic body
608 struct iovec *vector;
610 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
613 /* the NBT header is not allocated */
616 * vector[0] TRANSPORT HEADER
618 * vector[1] SMB2_TRANSFORM (optional)
620 * vector[3] fixed body
621 * vector[4] dynamic body
625 * vector[5] SMB2_TRANSFORM (empty)
627 * vector[7] fixed body
628 * vector[8] dynamic body
633 struct iovec *vector;
635 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
636 #define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
637 uint8_t _hdr[OUTVEC_ALLOC_SIZE];
642 struct smbd_server_connection;
645 struct pending_message_list;
646 struct pending_auth_data;
649 struct user_struct *next, *prev;
650 uint64_t vuid; /* Tag for this entry. */
652 char *session_keystr; /* used by utmp and pam session code.
656 struct auth_session_info *session_info;
658 struct smbXsrv_session *session;
661 struct smbd_server_connection {
662 const struct tsocket_address *local_address;
663 const struct tsocket_address *remote_address;
664 const char *remote_hostname;
665 struct tevent_context *ev_ctx;
666 struct messaging_context *msg_ctx;
667 struct sys_notify_context *sys_notify_ctx;
668 struct notify_context *notify_ctx;
673 struct user_struct *users;
675 size_t num_connections;
676 struct connection_struct *connections;
679 struct files_struct *files;
681 int real_max_open_files;
682 struct fsp_singleton_cache fsp_fi_cache;
684 struct pending_message_list *deferred_open_queue;
687 /* open directory handles. */
689 struct bitmap *dptr_bmap;
690 struct dptr_struct *dirptrs;
694 uint64_t num_requests;
696 /* Current number of oplocks we have outstanding. */
698 int32_t exclusive_open;
699 int32_t level_II_open;
700 struct kernel_oplocks *kernel_ops;
707 * fd for the fcntl lock and process shared
708 * robust mutex to coordinate access to the
709 * client socket. When the system supports
710 * process shared robust mutexes, those are
711 * used. If not, then the fcntl lock will be
715 #ifdef HAVE_ROBUST_MUTEXES
716 pthread_mutex_t *socket_mutex;
720 * fd for the trusted pipe from
726 * fde for the trusted_fd
728 struct tevent_fd *trusted_fde;
731 * Reference count for the fcntl lock to
732 * allow recursive locks.
738 bool encrypted_passwords;
740 struct auth4_context *auth_context;
743 * Size of the data we can receive. Set by us.
744 * Can be modified by the max xmit parameter.
750 uint16_t client_major;
751 uint16_t client_minor;
752 uint32_t client_cap_low;
753 uint32_t client_cap_high;
759 * Size of data we can send to client. Set
760 * by the client for all protocols above CORE.
761 * Set by us for CORE protocol.
765 struct smb_signing_state *signing_state;
767 struct notify_mid_map *notify_mid_maps;
770 /* dlink list we store pending lock records on. */
771 struct blocking_lock_record *blocking_lock_queue;
772 /* dlink list we move cancelled lock records onto. */
773 struct blocking_lock_record *blocking_lock_cancelled_queue;
775 /* The event that makes us process our blocking lock queue */
776 struct tevent_timer *brl_timeout;
778 bool blocking_lock_unlock_state;
779 bool blocking_lock_cancel_state;
783 struct smbd_smb2_request_read_state {
784 struct smbd_smb2_request *req;
786 uint8_t nbt[NBT_HDR_SIZE];
790 bool doing_receivefile;
791 size_t min_recv_size;
795 } request_read_state;
796 struct smbd_smb2_send_queue *send_queue;
797 size_t send_queue_len;
798 struct tevent_fd *fde;
801 /* The event that makes us process our blocking lock queue */
802 struct tevent_timer *brl_timeout;
803 bool blocking_lock_unlock_state;
805 struct smbd_smb2_request *requests;
807 * seqnum_low is the lowest sequence number
812 * seqnum_range is the range of credits we have
813 * granted from the sequence windows starting
816 * This gets incremented when new credits are
817 * granted and gets decremented when the
818 * lowest sequence number is consumed
819 * (when seqnum_low gets incremented).
821 uint16_t seqnum_range;
823 * credits_grantedThe number of credits we have currently granted
826 * This gets incremented when new credits are
827 * granted and gets decremented when any credit
830 * Note: the decrementing is different compared
833 uint16_t credits_granted;
835 * The maximum number of credits we will ever
836 * grant to the client.
838 * Typically we will only grant 1/16th of
841 * This is the "server max credits" parameter.
843 uint16_t max_credits;
845 * a bitmap of size max_credits
847 struct bitmap *credits_bitmap;
848 bool supports_multicredit;
854 struct smbXsrv_connection *conn;
857 extern struct smbXsrv_connection *global_smbXsrv_connection;
859 void smbd_init_globals(void);