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);
119 NTSTATUS smbd_do_locking(struct smb_request *req,
124 struct smbd_lock_element *locks,
126 NTSTATUS smbd_do_unlocking(struct smb_request *req,
129 struct smbd_lock_element *ulocks);
131 NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
135 struct smb_filename *smb_fname,
137 struct timespec write_time_ts,
138 struct ea_list *ea_list,
142 unsigned int max_data_bytes,
143 size_t *fixed_portion,
145 unsigned int *pdata_size);
147 NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
148 struct smb_request *req,
152 struct smb_filename *smb_fname,
153 char **ppdata, int total_data,
156 NTSTATUS smbd_do_qfsinfo(connection_struct *conn,
160 unsigned int max_data_bytes,
161 size_t *fixed_portion,
162 struct smb_filename *smb_fname,
166 bool smbd_dirptr_get_entry(TALLOC_CTX *ctx,
167 struct dptr_struct *dirptr,
172 bool (*match_fn)(TALLOC_CTX *ctx,
177 bool (*mode_fn)(TALLOC_CTX *ctx,
179 struct smb_filename *smb_fname,
183 struct smb_filename **_smb_fname,
187 bool smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
188 connection_struct *conn,
189 struct dptr_struct *dirptr,
191 const char *path_mask,
194 int requires_resume_key,
204 bool *got_exact_match,
205 int *_last_entry_off,
206 struct ea_list *name_list);
208 NTSTATUS smbd_calculate_access_mask(connection_struct *conn,
209 const struct smb_filename *smb_fname,
211 uint32_t access_mask,
212 uint32_t *access_mask_out);
214 void smbd_notify_cancel_by_smbreq(const struct smb_request *smbreq);
216 void smbd_server_connection_terminate_ex(struct smbd_server_connection *sconn,
218 const char *location);
219 #define smbd_server_connection_terminate(sconn, reason) \
220 smbd_server_connection_terminate_ex(sconn, reason, __location__)
222 const char *smb2_opcode_name(uint16_t opcode);
223 bool smbd_is_smb2_header(const uint8_t *inbuf, size_t size);
225 void reply_smb2002(struct smb_request *req, uint16_t choice);
226 void reply_smb20ff(struct smb_request *req, uint16_t choice);
227 void smbd_smb2_first_negprot(struct smbd_server_connection *sconn,
228 uint8_t *inbuf, size_t size);
230 DATA_BLOB smbd_smb2_generate_outbody(struct smbd_smb2_request *req, size_t size);
232 NTSTATUS smbd_smb2_request_error_ex(struct smbd_smb2_request *req,
235 const char *location);
236 #define smbd_smb2_request_error(req, status) \
237 smbd_smb2_request_error_ex(req, status, NULL, __location__)
238 NTSTATUS smbd_smb2_request_done_ex(struct smbd_smb2_request *req,
240 DATA_BLOB body, DATA_BLOB *dyn,
241 const char *location);
242 #define smbd_smb2_request_done(req, body, dyn) \
243 smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
245 NTSTATUS smbd_smb2_send_oplock_break(struct smbd_server_connection *sconn,
246 struct smbXsrv_session *session,
247 struct smbXsrv_tcon *tcon,
248 struct smbXsrv_open *op,
249 uint8_t oplock_level);
251 NTSTATUS smbd_smb2_request_pending_queue(struct smbd_smb2_request *req,
252 struct tevent_req *subreq,
253 uint32_t defer_time);
255 struct smb_request *smbd_smb2_fake_smb_request(struct smbd_smb2_request *req);
256 size_t smbd_smb2_unread_bytes(struct smbd_smb2_request *req);
257 void remove_smb2_chained_fsp(files_struct *fsp);
259 NTSTATUS smbd_smb2_request_verify_creditcharge(struct smbd_smb2_request *req,
260 uint32_t data_length);
262 NTSTATUS smbd_smb2_request_verify_sizes(struct smbd_smb2_request *req,
263 size_t expected_body_size);
265 enum protocol_types smbd_smb2_protocol_dialect_match(const uint8_t *indyn,
266 const int dialect_count,
268 NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req);
269 NTSTATUS smbd_smb2_request_process_sesssetup(struct smbd_smb2_request *req);
270 NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req);
271 NTSTATUS smbd_smb2_request_process_tcon(struct smbd_smb2_request *req);
272 NTSTATUS smbd_smb2_request_process_tdis(struct smbd_smb2_request *req);
273 NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req);
274 NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req);
275 NTSTATUS smbd_smb2_request_process_flush(struct smbd_smb2_request *req);
276 NTSTATUS smbd_smb2_request_process_read(struct smbd_smb2_request *req);
277 NTSTATUS smb2_read_complete(struct tevent_req *req, ssize_t nread, int err);
278 NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req);
279 NTSTATUS smb2_write_complete(struct tevent_req *req, ssize_t nwritten, int err);
280 NTSTATUS smb2_write_complete_nosync(struct tevent_req *req, ssize_t nwritten,
282 NTSTATUS smbd_smb2_request_process_lock(struct smbd_smb2_request *req);
283 NTSTATUS smbd_smb2_request_process_ioctl(struct smbd_smb2_request *req);
284 NTSTATUS smbd_smb2_request_process_keepalive(struct smbd_smb2_request *req);
285 NTSTATUS smbd_smb2_request_process_find(struct smbd_smb2_request *req);
286 NTSTATUS smbd_smb2_request_process_notify(struct smbd_smb2_request *req);
287 NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req);
288 NTSTATUS smbd_smb2_request_process_setinfo(struct smbd_smb2_request *req);
289 NTSTATUS smbd_smb2_request_process_break(struct smbd_smb2_request *req);
290 NTSTATUS smbd_smb2_request_dispatch(struct smbd_smb2_request *req);
291 void smbd_smb2_request_dispatch_immediate(struct tevent_context *ctx,
292 struct tevent_immediate *im,
295 struct deferred_open_record;
297 /* SMB1 -> SMB2 glue. */
298 void send_break_message_smb2(files_struct *fsp, int level);
299 struct blocking_lock_record *get_pending_smb2req_blr(struct smbd_smb2_request *smb2req);
300 bool push_blocking_lock_request_smb2( struct byte_range_lock *br_lck,
301 struct smb_request *req,
306 enum brl_type lock_type,
307 enum brl_flavour lock_flav,
310 uint64_t blocking_smblctx);
311 void process_blocking_lock_queue_smb2(
312 struct smbd_server_connection *sconn, struct timeval tv_curr);
313 void cancel_pending_lock_requests_by_fid_smb2(files_struct *fsp,
314 struct byte_range_lock *br_lck,
315 enum file_close_type close_type);
316 /* From smbd/smb2_create.c */
317 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level);
318 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
319 struct timeval *p_request_time,
320 struct deferred_open_record **open_rec);
321 bool open_was_deferred_smb2(struct smbd_server_connection *sconn,
323 void remove_deferred_open_message_smb2(
324 struct smbd_server_connection *sconn, uint64_t mid);
325 bool schedule_deferred_open_message_smb2(
326 struct smbd_server_connection *sconn, uint64_t mid);
327 bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
328 struct timeval request_time,
329 struct timeval timeout,
331 struct deferred_open_record *open_rec);
333 struct smbXsrv_connection {
334 struct smbd_server_connection *sconn;
336 const struct tsocket_address *local_address;
337 const struct tsocket_address *remote_address;
338 const char *remote_hostname;
340 struct tevent_context *ev_ctx;
341 struct messaging_context *msg_ctx;
343 enum protocol_types protocol;
348 struct tevent_fd *fde;
358 * fd for the fcntl lock and process shared
359 * robust mutex to coordinate access to the
360 * client socket. When the system supports
361 * process shared robust mutexes, those are
362 * used. If not, then the fcntl lock will be
366 #ifdef HAVE_ROBUST_MUTEXES
367 pthread_mutex_t *socket_mutex;
371 * fd for the trusted pipe from
377 * fde for the trusted_fd
379 struct tevent_fd *trusted_fde;
382 * Reference count for the fcntl lock to
383 * allow recursive locks.
389 bool encrypted_passwords;
391 struct auth4_context *auth_context;
394 * Size of the data we can receive. Set by us.
395 * Can be modified by the max xmit parameter.
403 * Size of data we can send to client. Set
404 * by the client for all protocols above CORE.
405 * Set by us for CORE protocol.
409 struct smb_signing_state *signing_state;
412 uint16_t client_major;
413 uint16_t client_minor;
414 uint32_t client_cap_low;
415 uint32_t client_cap_high;
418 struct msg_state *msg_state;
421 struct smbd_smb2_request_read_state {
422 struct smbd_smb2_request *req;
424 uint8_t nbt[NBT_HDR_SIZE];
428 bool doing_receivefile;
429 size_t min_recv_size;
433 } request_read_state;
434 struct smbd_smb2_send_queue *send_queue;
435 size_t send_queue_len;
439 * seq_low is the lowest sequence number
444 * seq_range is the range of credits we have
445 * granted from the sequence windows starting
448 * This gets incremented when new credits are
449 * granted and gets decremented when the
450 * lowest sequence number is consumed
451 * (when seq_low gets incremented).
455 * The number of credits we have currently granted
458 * This gets incremented when new credits are
459 * granted and gets decremented when any credit
462 * Note: the decrementing is different compared
467 * The maximum number of credits we will ever
468 * grant to the client.
470 * Typically we will only grant 1/16th of
473 * This is the "server max credits" parameter.
477 * a bitmap of size max_credits
479 struct bitmap *bitmap;
485 uint32_t capabilities;
487 uint16_t security_mode;
488 uint16_t num_dialects;
492 uint32_t capabilities;
494 uint16_t security_mode;
502 uint64_t smbd_idle_profstamp;
505 * this session_table is used for SMB1 and SMB2,
507 struct smbXsrv_session_table *session_table;
508 uint64_t last_session_id;
510 * this tcon_table is only used for SMB1.
512 struct smbXsrv_tcon_table *tcon_table;
514 * this open_table is used for SMB1 and SMB2,
515 * because we have a global sconn->real_max_open_files
518 struct smbXsrv_open_table *open_table;
521 const char *smbXsrv_connection_dbg(const struct smbXsrv_connection *xconn);
523 NTSTATUS smbXsrv_version_global_init(const struct server_id *server_id);
524 uint32_t smbXsrv_version_global_current(void);
526 NTSTATUS smbXsrv_connection_init_tables(struct smbXsrv_connection *conn,
527 enum protocol_types protocol);
529 NTSTATUS smbXsrv_session_global_init(void);
530 NTSTATUS smbXsrv_session_create(struct smbXsrv_connection *conn,
532 struct smbXsrv_session **_session);
533 NTSTATUS smbXsrv_session_update(struct smbXsrv_session *session);
534 NTSTATUS smbXsrv_session_logoff(struct smbXsrv_session *session);
535 NTSTATUS smbXsrv_session_logoff_all(struct smbXsrv_connection *conn);
536 NTSTATUS smb1srv_session_table_init(struct smbXsrv_connection *conn);
537 NTSTATUS smb1srv_session_lookup(struct smbXsrv_connection *conn,
538 uint16_t vuid, NTTIME now,
539 struct smbXsrv_session **session);
540 NTSTATUS smb2srv_session_table_init(struct smbXsrv_connection *conn);
541 NTSTATUS smb2srv_session_lookup(struct smbXsrv_connection *conn,
542 uint64_t session_id, NTTIME now,
543 struct smbXsrv_session **session);
544 struct smbXsrv_session_global0;
545 NTSTATUS smbXsrv_session_global_traverse(
546 int (*fn)(struct smbXsrv_session_global0 *, void *),
548 struct tevent_req *smb2srv_session_close_previous_send(TALLOC_CTX *mem_ctx,
549 struct tevent_context *ev,
550 struct smbXsrv_connection *conn,
551 struct auth_session_info *session_info,
552 uint64_t previous_session_id,
553 uint64_t current_session_id);
554 NTSTATUS smb2srv_session_close_previous_recv(struct tevent_req *req);
556 NTSTATUS smbXsrv_tcon_global_init(void);
557 NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon);
558 NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid);
559 NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn);
560 NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
562 struct smbXsrv_tcon **_tcon);
563 NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
564 uint16_t tree_id, NTTIME now,
565 struct smbXsrv_tcon **tcon);
566 NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_connection *conn);
567 NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session);
568 NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
570 struct smbXsrv_tcon **_tcon);
571 NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
572 uint32_t tree_id, NTTIME now,
573 struct smbXsrv_tcon **tcon);
574 NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session);
575 struct smbXsrv_tcon_global0;
576 NTSTATUS smbXsrv_tcon_global_traverse(
577 int (*fn)(struct smbXsrv_tcon_global0 *, void *),
580 NTSTATUS smbXsrv_open_global_init(void);
581 NTSTATUS smbXsrv_open_create(struct smbXsrv_connection *conn,
582 struct auth_session_info *session_info,
584 struct smbXsrv_open **_open);
585 uint32_t smbXsrv_open_hash(struct smbXsrv_open *_open);
586 NTSTATUS smbXsrv_open_update(struct smbXsrv_open *_open);
587 NTSTATUS smbXsrv_open_close(struct smbXsrv_open *op, NTTIME now);
588 NTSTATUS smb1srv_open_table_init(struct smbXsrv_connection *conn);
589 NTSTATUS smb1srv_open_lookup(struct smbXsrv_connection *conn,
590 uint16_t fnum, NTTIME now,
591 struct smbXsrv_open **_open);
592 NTSTATUS smb2srv_open_table_init(struct smbXsrv_connection *conn);
593 NTSTATUS smb2srv_open_lookup(struct smbXsrv_connection *conn,
594 uint64_t persistent_id,
595 uint64_t volatile_id,
597 struct smbXsrv_open **_open);
598 NTSTATUS smb2srv_open_recreate(struct smbXsrv_connection *conn,
599 struct auth_session_info *session_info,
600 uint64_t persistent_id,
601 const struct GUID *create_guid,
603 struct smbXsrv_open **_open);
604 struct smbXsrv_open_global0;
605 NTSTATUS smbXsrv_open_global_traverse(
606 int (*fn)(struct smbXsrv_open_global0 *, void *),
609 NTSTATUS smbXsrv_open_cleanup(uint64_t persistent_id);
611 struct smbd_smb2_send_queue {
612 struct smbd_smb2_send_queue *prev, *next;
614 DATA_BLOB *sendfile_header;
615 struct iovec *vector;
621 struct smbd_smb2_request {
622 struct smbd_smb2_request *prev, *next;
624 struct smbd_server_connection *sconn;
626 struct smbd_smb2_send_queue queue_entry;
628 /* the session the request operates on, maybe NULL */
629 struct smbXsrv_session *session;
630 uint64_t last_session_id;
632 /* the tcon the request operates on, maybe NULL */
633 struct smbXsrv_tcon *tcon;
639 struct tevent_timer *async_te;
640 bool compound_related;
643 * the encryption key for the whole
648 * the signing key for the last
649 * request/response of a compound chain
653 struct timeval request_time;
655 /* fake smb1 request. */
656 struct smb_request *smb1req;
657 struct files_struct *compat_chain_fsp;
660 * The sub request for async backend calls.
661 * This is used for SMB2 Cancel.
663 struct tevent_req *subreq;
665 #define SMBD_SMB2_TF_IOV_OFS 0
666 #define SMBD_SMB2_HDR_IOV_OFS 1
667 #define SMBD_SMB2_BODY_IOV_OFS 2
668 #define SMBD_SMB2_DYN_IOV_OFS 3
670 #define SMBD_SMB2_NUM_IOV_PER_REQ 4
672 #define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
673 (&req->dir.vector[(idx)+(ofs)])
675 #define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
676 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
677 #define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
678 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
679 #define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
680 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
681 #define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
682 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
684 #define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
685 #define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
686 #define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
687 #define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
688 #define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
689 #define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
690 #define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
691 #define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
692 #define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
693 #define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
695 #define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
696 #define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
697 #define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
698 #define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
699 #define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
700 #define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
701 #define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
702 #define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
703 #define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
704 #define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
706 #define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
710 * vector[0] TRANSPORT HEADER (empty)
712 * vector[1] SMB2_TRANSFORM (optional)
714 * vector[3] fixed body
715 * vector[4] dynamic body
719 * vector[5] SMB2_TRANSFORM (optional)
721 * vector[7] fixed body
722 * vector[8] dynamic body
727 struct iovec *vector;
729 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
732 /* the NBT header is not allocated */
735 * vector[0] TRANSPORT HEADER
737 * vector[1] SMB2_TRANSFORM (optional)
739 * vector[3] fixed body
740 * vector[4] dynamic body
744 * vector[5] SMB2_TRANSFORM (empty)
746 * vector[7] fixed body
747 * vector[8] dynamic body
752 struct iovec *vector;
754 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
755 #define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
756 uint8_t _hdr[OUTVEC_ALLOC_SIZE];
761 struct smbd_server_connection;
764 struct pending_message_list;
765 struct pending_auth_data;
768 struct user_struct *next, *prev;
769 uint64_t vuid; /* Tag for this entry. */
771 char *session_keystr; /* used by utmp and pam session code.
775 struct auth_session_info *session_info;
777 struct smbXsrv_session *session;
780 struct smbd_server_connection {
781 const struct tsocket_address *local_address;
782 const struct tsocket_address *remote_address;
783 const char *remote_hostname;
784 struct tevent_context *ev_ctx;
785 struct messaging_context *msg_ctx;
786 struct sys_notify_context *sys_notify_ctx;
787 struct notify_context *notify_ctx;
792 struct user_struct *users;
794 size_t num_connections;
795 struct connection_struct *connections;
798 struct files_struct *files;
800 int real_max_open_files;
801 struct fsp_singleton_cache fsp_fi_cache;
803 struct pending_message_list *deferred_open_queue;
806 /* open directory handles. */
808 struct bitmap *dptr_bmap;
809 struct dptr_struct *dirptrs;
813 uint64_t num_requests;
815 /* Current number of oplocks we have outstanding. */
817 int32_t exclusive_open;
818 int32_t level_II_open;
819 struct kernel_oplocks *kernel_ops;
823 struct notify_mid_map *notify_mid_maps;
826 /* dlink list we store pending lock records on. */
827 struct blocking_lock_record *blocking_lock_queue;
828 /* dlink list we move cancelled lock records onto. */
829 struct blocking_lock_record *blocking_lock_cancelled_queue;
831 /* The event that makes us process our blocking lock queue */
832 struct tevent_timer *brl_timeout;
834 bool blocking_lock_unlock_state;
835 bool blocking_lock_cancel_state;
840 /* The event that makes us process our blocking lock queue */
841 struct tevent_timer *brl_timeout;
842 bool blocking_lock_unlock_state;
844 struct smbd_smb2_request *requests;
848 * Link into libasys for asynchronous operations
850 struct asys_context *asys_ctx;
851 struct tevent_fd *asys_fde;
853 struct smbXsrv_connection *conn;
856 extern struct smbXsrv_connection *global_smbXsrv_connection;
858 void smbd_init_globals(void);