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"
23 #include "smbprofile.h"
26 struct smbd_dmapi_context
;
27 extern struct smbd_dmapi_context
*dmapi_ctx
;
30 /* how many write cache buffers have been allocated */
31 extern unsigned int allocated_write_caches
;
33 /* A singleton cache to speed up searching by dev/inode. */
34 struct fsp_singleton_cache
{
39 extern const struct mangle_fns
*mangle_fns
;
41 extern unsigned char *chartest
;
43 extern struct tdb_context
*tdb_mangled_cache
;
46 this determines how many characters are used from the original filename
47 in the 8.3 mangled name. A larger value leads to a weaker hash and more collisions.
48 The largest possible value is 6.
50 extern unsigned mangle_prefix
;
54 extern bool logged_ioctl_message
;
58 extern time_t last_smb_conf_reload_time
;
59 extern time_t last_printer_reload_time
;
60 extern pid_t background_lpq_updater_pid
;
62 /****************************************************************************
63 structure to hold a linked list of queued messages.
65 ****************************************************************************/
66 extern uint32_t common_flags2
;
68 extern struct smb_trans_enc_state
*partial_srv_trans_enc_ctx
;
69 extern struct smb_trans_enc_state
*srv_trans_enc_ctx
;
72 struct security_unix_token ut
;
73 struct security_token
*token
;
75 /* A stack of security contexts. We include the current context as being
76 the first one, so there is room for another MAX_SEC_CTX_DEPTH more. */
77 extern struct sec_ctx sec_ctx_stack
[MAX_SEC_CTX_DEPTH
+ 1];
78 extern int sec_ctx_stack_ndx
;
79 extern bool become_uid_done
;
80 extern bool become_gid_done
;
82 extern connection_struct
*last_conn
;
83 extern uint16_t last_flags
;
85 extern uint32_t global_client_caps
;
87 extern uint16_t fnf_handle
;
90 connection_struct
*conn
;
94 userdom_struct user_info
;
96 /* A stack of current_user connection contexts. */
97 extern struct conn_ctx conn_ctx_stack
[MAX_SEC_CTX_DEPTH
];
98 extern int conn_ctx_stack_ndx
;
100 struct vfs_init_function_entry
;
101 extern struct vfs_init_function_entry
*backends
;
102 extern char *sparse_buf
;
103 extern char *LastDir
;
105 struct smbd_parent_context
;
106 extern struct smbd_parent_context
*am_parent
;
107 extern struct memcache
*smbd_memcache_ctx
;
108 extern bool exit_firsttime
;
110 struct tstream_context
;
111 struct smbd_smb2_request
;
113 DATA_BLOB
negprot_spnego(TALLOC_CTX
*ctx
, struct smbXsrv_connection
*xconn
);
115 void smbd_lock_socket(struct smbXsrv_connection
*xconn
);
116 void smbd_unlock_socket(struct smbXsrv_connection
*xconn
);
118 NTSTATUS
smbd_do_locking(struct smb_request
*req
,
123 struct smbd_lock_element
*locks
,
125 NTSTATUS
smbd_do_unlocking(struct smb_request
*req
,
128 struct smbd_lock_element
*ulocks
);
130 NTSTATUS
smbd_do_qfilepathinfo(connection_struct
*conn
,
134 struct smb_filename
*smb_fname
,
136 struct timespec write_time_ts
,
137 struct ea_list
*ea_list
,
141 unsigned int max_data_bytes
,
142 size_t *fixed_portion
,
144 unsigned int *pdata_size
);
146 NTSTATUS
smbd_do_setfsinfo(connection_struct
*conn
,
147 struct smb_request
*req
,
151 const DATA_BLOB
*pdata
);
153 NTSTATUS
smbd_do_setfilepathinfo(connection_struct
*conn
,
154 struct smb_request
*req
,
158 struct smb_filename
*smb_fname
,
159 char **ppdata
, int total_data
,
162 NTSTATUS
smbd_do_qfsinfo(struct smbXsrv_connection
*xconn
,
163 connection_struct
*conn
,
167 unsigned int max_data_bytes
,
168 size_t *fixed_portion
,
169 struct smb_filename
*smb_fname
,
173 bool smbd_dirptr_get_entry(TALLOC_CTX
*ctx
,
174 struct dptr_struct
*dirptr
,
179 bool (*match_fn
)(TALLOC_CTX
*ctx
,
184 bool (*mode_fn
)(TALLOC_CTX
*ctx
,
186 struct smb_filename
*smb_fname
,
190 struct smb_filename
**_smb_fname
,
194 NTSTATUS
smbd_dirptr_lanman2_entry(TALLOC_CTX
*ctx
,
195 connection_struct
*conn
,
196 struct dptr_struct
*dirptr
,
198 const char *path_mask
,
201 int requires_resume_key
,
210 bool *got_exact_match
,
211 int *_last_entry_off
,
212 struct ea_list
*name_list
,
213 struct file_id
*file_id
);
215 NTSTATUS
smbd_calculate_access_mask(connection_struct
*conn
,
216 const struct smb_filename
*smb_fname
,
218 uint32_t access_mask
,
219 uint32_t *access_mask_out
);
221 void smbd_notify_cancel_by_smbreq(const struct smb_request
*smbreq
);
223 void smbd_server_connection_terminate_ex(struct smbXsrv_connection
*xconn
,
225 const char *location
);
226 #define smbd_server_connection_terminate(xconn, reason) \
227 smbd_server_connection_terminate_ex(xconn, reason, __location__)
229 const char *smb2_opcode_name(uint16_t opcode
);
230 bool smbd_is_smb2_header(const uint8_t *inbuf
, size_t size
);
231 bool smbd_smb2_is_compound(const struct smbd_smb2_request
*req
);
233 NTSTATUS
smbd_add_connection(struct smbXsrv_client
*client
, int sock_fd
,
234 struct smbXsrv_connection
**_xconn
);
236 void reply_smb2002(struct smb_request
*req
, uint16_t choice
);
237 void reply_smb20ff(struct smb_request
*req
, uint16_t choice
);
238 void smbd_smb2_process_negprot(struct smbXsrv_connection
*xconn
,
239 uint64_t expected_seq_low
,
240 const uint8_t *inpdu
, size_t size
);
242 DATA_BLOB
smbd_smb2_generate_outbody(struct smbd_smb2_request
*req
, size_t size
);
244 NTSTATUS
smbd_smb2_request_error_ex(struct smbd_smb2_request
*req
,
247 const char *location
);
248 #define smbd_smb2_request_error(req, status) \
249 smbd_smb2_request_error_ex(req, status, NULL, __location__)
250 NTSTATUS
smbd_smb2_request_done_ex(struct smbd_smb2_request
*req
,
252 DATA_BLOB body
, DATA_BLOB
*dyn
,
253 const char *location
);
254 #define smbd_smb2_request_done(req, body, dyn) \
255 smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
257 NTSTATUS
smbd_smb2_send_oplock_break(struct smbXsrv_connection
*xconn
,
258 struct smbXsrv_session
*session
,
259 struct smbXsrv_tcon
*tcon
,
260 struct smbXsrv_open
*op
,
261 uint8_t oplock_level
);
262 NTSTATUS
smbd_smb2_send_lease_break(struct smbXsrv_connection
*xconn
,
264 uint32_t lease_flags
,
265 struct smb2_lease_key
*lease_key
,
266 uint32_t current_lease_state
,
267 uint32_t new_lease_state
);
269 NTSTATUS
smbd_smb2_request_pending_queue(struct smbd_smb2_request
*req
,
270 struct tevent_req
*subreq
,
271 uint32_t defer_time
);
273 struct smb_request
*smbd_smb2_fake_smb_request(struct smbd_smb2_request
*req
);
274 size_t smbd_smb2_unread_bytes(struct smbd_smb2_request
*req
);
275 void remove_smb2_chained_fsp(files_struct
*fsp
);
277 NTSTATUS
smbd_smb2_request_verify_creditcharge(struct smbd_smb2_request
*req
,
278 uint32_t data_length
);
280 NTSTATUS
smbd_smb2_request_verify_sizes(struct smbd_smb2_request
*req
,
281 size_t expected_body_size
);
283 void smb2_request_set_async_internal(struct smbd_smb2_request
*req
,
284 bool async_internal
);
286 enum protocol_types
smbd_smb2_protocol_dialect_match(const uint8_t *indyn
,
287 const int dialect_count
,
289 NTSTATUS
smbd_smb2_request_process_negprot(struct smbd_smb2_request
*req
);
290 NTSTATUS
smbd_smb2_request_process_sesssetup(struct smbd_smb2_request
*req
);
291 NTSTATUS
smbd_smb2_request_process_logoff(struct smbd_smb2_request
*req
);
292 NTSTATUS
smbd_smb2_request_process_tcon(struct smbd_smb2_request
*req
);
293 NTSTATUS
smbd_smb2_request_process_tdis(struct smbd_smb2_request
*req
);
294 NTSTATUS
smbd_smb2_request_process_create(struct smbd_smb2_request
*req
);
295 NTSTATUS
smbd_smb2_request_process_close(struct smbd_smb2_request
*req
);
296 NTSTATUS
smbd_smb2_request_process_flush(struct smbd_smb2_request
*req
);
297 NTSTATUS
smbd_smb2_request_process_read(struct smbd_smb2_request
*req
);
298 NTSTATUS
smb2_read_complete(struct tevent_req
*req
, ssize_t nread
, int err
);
299 NTSTATUS
smbd_smb2_request_process_write(struct smbd_smb2_request
*req
);
300 NTSTATUS
smb2_write_complete(struct tevent_req
*req
, ssize_t nwritten
, int err
);
301 NTSTATUS
smb2_write_complete_nosync(struct tevent_req
*req
, ssize_t nwritten
,
303 NTSTATUS
smbd_smb2_request_process_lock(struct smbd_smb2_request
*req
);
304 NTSTATUS
smbd_smb2_request_process_ioctl(struct smbd_smb2_request
*req
);
305 NTSTATUS
smbd_smb2_request_process_keepalive(struct smbd_smb2_request
*req
);
306 NTSTATUS
smbd_smb2_request_process_query_directory(struct smbd_smb2_request
*req
);
307 NTSTATUS
smbd_smb2_request_process_notify(struct smbd_smb2_request
*req
);
308 NTSTATUS
smbd_smb2_request_process_getinfo(struct smbd_smb2_request
*req
);
309 NTSTATUS
smbd_smb2_request_process_setinfo(struct smbd_smb2_request
*req
);
310 NTSTATUS
smbd_smb2_request_process_break(struct smbd_smb2_request
*req
);
311 NTSTATUS
smbd_smb2_request_dispatch(struct smbd_smb2_request
*req
);
312 void smbd_smb2_request_dispatch_immediate(struct tevent_context
*ctx
,
313 struct tevent_immediate
*im
,
316 struct deferred_open_record
;
318 /* SMB1 -> SMB2 glue. */
319 void send_break_message_smb2(files_struct
*fsp
,
322 struct blocking_lock_record
*get_pending_smb2req_blr(struct smbd_smb2_request
*smb2req
);
323 bool push_blocking_lock_request_smb2( struct byte_range_lock
*br_lck
,
324 struct smb_request
*req
,
329 enum brl_type lock_type
,
330 enum brl_flavour lock_flav
,
333 uint64_t blocking_smblctx
);
334 void process_blocking_lock_queue_smb2(
335 struct smbd_server_connection
*sconn
, struct timeval tv_curr
);
336 void cancel_pending_lock_requests_by_fid_smb2(files_struct
*fsp
,
337 struct byte_range_lock
*br_lck
,
338 enum file_close_type close_type
);
339 /* From smbd/smb2_create.c */
340 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level
);
341 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request
*smb2req
,
342 struct timeval
*p_request_time
,
343 struct deferred_open_record
**open_rec
);
344 bool open_was_deferred_smb2(
345 struct smbXsrv_connection
*xconn
, uint64_t mid
);
346 void remove_deferred_open_message_smb2(
347 struct smbXsrv_connection
*xconn
, uint64_t mid
);
348 bool schedule_deferred_open_message_smb2(
349 struct smbXsrv_connection
*xconn
, uint64_t mid
);
350 bool push_deferred_open_message_smb2(struct smbd_smb2_request
*smb2req
,
351 struct timeval request_time
,
352 struct timeval timeout
,
354 struct deferred_open_record
*open_rec
);
356 struct smbXsrv_client
;
358 struct smbXsrv_preauth
{
359 uint8_t sha512_value
[64];
362 struct smbXsrv_connection
{
363 struct smbXsrv_connection
*prev
, *next
;
365 struct smbXsrv_client
*client
;
367 const struct tsocket_address
*local_address
;
368 const struct tsocket_address
*remote_address
;
369 const char *remote_hostname
;
371 enum protocol_types protocol
;
376 struct tevent_fd
*fde
;
386 * fd for the fcntl lock and process shared
387 * robust mutex to coordinate access to the
388 * client socket. When the system supports
389 * process shared robust mutexes, those are
390 * used. If not, then the fcntl lock will be
394 #ifdef HAVE_ROBUST_MUTEXES
395 pthread_mutex_t
*socket_mutex
;
399 * fd for the trusted pipe from
405 * fde for the trusted_fd
407 struct tevent_fd
*trusted_fde
;
410 * Reference count for the fcntl lock to
411 * allow recursive locks.
417 bool encrypted_passwords
;
419 struct auth4_context
*auth_context
;
422 * Size of the data we can receive. Set by us.
423 * Can be modified by the max xmit parameter.
431 * Size of data we can send to client. Set
432 * by the client for all protocols above CORE.
433 * Set by us for CORE protocol.
437 struct smb_signing_state
*signing_state
;
440 uint16_t client_major
;
441 uint16_t client_minor
;
442 uint32_t client_cap_low
;
443 uint32_t client_cap_high
;
446 struct msg_state
*msg_state
;
449 struct smbd_smb2_request_read_state
{
450 struct smbd_smb2_request
*req
;
452 uint8_t nbt
[NBT_HDR_SIZE
];
456 bool doing_receivefile
;
457 size_t min_recv_size
;
461 } request_read_state
;
462 struct smbd_smb2_send_queue
*send_queue
;
463 size_t send_queue_len
;
467 * seq_low is the lowest sequence number
472 * seq_range is the range of credits we have
473 * granted from the sequence windows starting
476 * This gets incremented when new credits are
477 * granted and gets decremented when the
478 * lowest sequence number is consumed
479 * (when seq_low gets incremented).
483 * The number of credits we have currently granted
486 * This gets incremented when new credits are
487 * granted and gets decremented when any credit
490 * Note: the decrementing is different compared
495 * The maximum number of credits we will ever
496 * grant to the client.
498 * Typically we will only grant 1/16th of
501 * This is the "server max credits" parameter.
505 * a bitmap of size max_credits
507 struct bitmap
*bitmap
;
513 uint32_t capabilities
;
516 uint16_t security_mode
;
517 uint16_t num_dialects
;
521 uint32_t capabilities
;
523 uint16_t security_mode
;
531 struct smbXsrv_preauth preauth
;
533 struct smbd_smb2_request
*requests
;
537 const char *smbXsrv_connection_dbg(const struct smbXsrv_connection
*xconn
);
539 NTSTATUS
smbXsrv_version_global_init(const struct server_id
*server_id
);
540 uint32_t smbXsrv_version_global_current(void);
542 struct smbXsrv_client_table
;
543 NTSTATUS
smbXsrv_client_global_init(void);
544 NTSTATUS
smbXsrv_client_create(TALLOC_CTX
*mem_ctx
,
545 struct tevent_context
*ev_ctx
,
546 struct messaging_context
*msg_ctx
,
548 struct smbXsrv_client
**_client
);
549 NTSTATUS
smbXsrv_client_update(struct smbXsrv_client
*client
);
550 NTSTATUS
smbXsrv_client_remove(struct smbXsrv_client
*client
);
551 NTSTATUS
smb2srv_client_lookup_global(struct smbXsrv_client
*client
,
552 struct GUID client_guid
,
554 struct smbXsrv_client_global0
**_pass
);
555 NTSTATUS
smb2srv_client_connection_pass(struct smbd_smb2_request
*smb2req
,
556 struct smbXsrv_client_global0
*global
);
558 NTSTATUS
smbXsrv_connection_init_tables(struct smbXsrv_connection
*conn
,
559 enum protocol_types protocol
);
561 NTSTATUS
smbXsrv_session_global_init(struct messaging_context
*msg_ctx
);
562 NTSTATUS
smbXsrv_session_create(struct smbXsrv_connection
*conn
,
564 struct smbXsrv_session
**_session
);
565 NTSTATUS
smbXsrv_session_add_channel(struct smbXsrv_session
*session
,
566 struct smbXsrv_connection
*conn
,
567 struct smbXsrv_channel_global0
**_c
);
568 NTSTATUS
smbXsrv_session_update(struct smbXsrv_session
*session
);
569 struct smbXsrv_channel_global0
;
570 NTSTATUS
smbXsrv_session_find_channel(const struct smbXsrv_session
*session
,
571 const struct smbXsrv_connection
*conn
,
572 struct smbXsrv_channel_global0
**_c
);
573 NTSTATUS
smbXsrv_session_find_auth(const struct smbXsrv_session
*session
,
574 const struct smbXsrv_connection
*conn
,
576 struct smbXsrv_session_auth0
**_a
);
577 NTSTATUS
smbXsrv_session_create_auth(struct smbXsrv_session
*session
,
578 struct smbXsrv_connection
*conn
,
581 uint8_t in_security_mode
,
582 struct smbXsrv_session_auth0
**_a
);
583 struct tevent_req
*smb2srv_session_shutdown_send(TALLOC_CTX
*mem_ctx
,
584 struct tevent_context
*ev
,
585 struct smbXsrv_session
*session
,
586 struct smbd_smb2_request
*current_req
);
587 NTSTATUS
smb2srv_session_shutdown_recv(struct tevent_req
*req
);
588 NTSTATUS
smbXsrv_session_logoff(struct smbXsrv_session
*session
);
589 NTSTATUS
smbXsrv_session_logoff_all(struct smbXsrv_connection
*conn
);
590 NTSTATUS
smb1srv_session_table_init(struct smbXsrv_connection
*conn
);
591 NTSTATUS
smb1srv_session_lookup(struct smbXsrv_connection
*conn
,
592 uint16_t vuid
, NTTIME now
,
593 struct smbXsrv_session
**session
);
594 NTSTATUS
smb2srv_session_table_init(struct smbXsrv_connection
*conn
);
595 NTSTATUS
smb2srv_session_lookup_conn(struct smbXsrv_connection
*conn
,
596 uint64_t session_id
, NTTIME now
,
597 struct smbXsrv_session
**session
);
598 NTSTATUS
smb2srv_session_lookup_client(struct smbXsrv_client
*client
,
599 uint64_t session_id
, NTTIME now
,
600 struct smbXsrv_session
**session
);
601 struct smbXsrv_session_global0
;
602 NTSTATUS
smbXsrv_session_global_traverse(
603 int (*fn
)(struct smbXsrv_session_global0
*, void *),
605 struct tevent_req
*smb2srv_session_close_previous_send(TALLOC_CTX
*mem_ctx
,
606 struct tevent_context
*ev
,
607 struct smbXsrv_connection
*conn
,
608 struct auth_session_info
*session_info
,
609 uint64_t previous_session_id
,
610 uint64_t current_session_id
);
611 NTSTATUS
smb2srv_session_close_previous_recv(struct tevent_req
*req
);
613 NTSTATUS
smbXsrv_tcon_global_init(void);
614 NTSTATUS
smbXsrv_tcon_update(struct smbXsrv_tcon
*tcon
);
615 NTSTATUS
smbXsrv_tcon_disconnect(struct smbXsrv_tcon
*tcon
, uint64_t vuid
);
616 NTSTATUS
smb1srv_tcon_table_init(struct smbXsrv_connection
*conn
);
617 NTSTATUS
smb1srv_tcon_create(struct smbXsrv_connection
*conn
,
619 struct smbXsrv_tcon
**_tcon
);
620 NTSTATUS
smb1srv_tcon_lookup(struct smbXsrv_connection
*conn
,
621 uint16_t tree_id
, NTTIME now
,
622 struct smbXsrv_tcon
**tcon
);
623 NTSTATUS
smb1srv_tcon_disconnect_all(struct smbXsrv_connection
*conn
);
624 NTSTATUS
smb2srv_tcon_table_init(struct smbXsrv_session
*session
);
625 NTSTATUS
smb2srv_tcon_create(struct smbXsrv_session
*session
,
627 struct smbXsrv_tcon
**_tcon
);
628 NTSTATUS
smb2srv_tcon_lookup(struct smbXsrv_session
*session
,
629 uint32_t tree_id
, NTTIME now
,
630 struct smbXsrv_tcon
**tcon
);
631 NTSTATUS
smb2srv_tcon_disconnect_all(struct smbXsrv_session
*session
);
632 struct smbXsrv_tcon_global0
;
633 NTSTATUS
smbXsrv_tcon_global_traverse(
634 int (*fn
)(struct smbXsrv_tcon_global0
*, void *),
637 NTSTATUS
smbXsrv_open_global_init(void);
638 NTSTATUS
smbXsrv_open_create(struct smbXsrv_connection
*conn
,
639 struct auth_session_info
*session_info
,
641 struct smbXsrv_open
**_open
);
642 uint32_t smbXsrv_open_hash(struct smbXsrv_open
*_open
);
643 NTSTATUS
smbXsrv_open_update(struct smbXsrv_open
*_open
);
644 NTSTATUS
smbXsrv_open_close(struct smbXsrv_open
*op
, NTTIME now
);
645 NTSTATUS
smb1srv_open_table_init(struct smbXsrv_connection
*conn
);
646 NTSTATUS
smb1srv_open_lookup(struct smbXsrv_connection
*conn
,
647 uint16_t fnum
, NTTIME now
,
648 struct smbXsrv_open
**_open
);
649 NTSTATUS
smb2srv_open_table_init(struct smbXsrv_connection
*conn
);
650 NTSTATUS
smb2srv_open_lookup(struct smbXsrv_connection
*conn
,
651 uint64_t persistent_id
,
652 uint64_t volatile_id
,
654 struct smbXsrv_open
**_open
);
655 NTSTATUS
smb2srv_open_lookup_replay_cache(struct smbXsrv_connection
*conn
,
656 const struct GUID
*create_guid
,
658 struct smbXsrv_open
**_open
);
659 NTSTATUS
smb2srv_open_recreate(struct smbXsrv_connection
*conn
,
660 struct auth_session_info
*session_info
,
661 uint64_t persistent_id
,
662 const struct GUID
*create_guid
,
664 struct smbXsrv_open
**_open
);
665 struct smbXsrv_open_global0
;
666 NTSTATUS
smbXsrv_open_global_traverse(
667 int (*fn
)(struct smbXsrv_open_global0
*, void *),
670 NTSTATUS
smbXsrv_open_cleanup(uint64_t persistent_id
);
671 bool smbXsrv_is_encrypted(uint8_t encryption_flags
);
672 bool smbXsrv_is_partially_encrypted(uint8_t encryption_flags
);
673 bool smbXsrv_set_crypto_flag(uint8_t *flags
, uint8_t flag
);
674 bool smbXsrv_is_signed(uint8_t signing_flags
);
675 bool smbXsrv_is_partially_signed(uint8_t signing_flags
);
677 struct smbd_smb2_send_queue
{
678 struct smbd_smb2_send_queue
*prev
, *next
;
680 DATA_BLOB
*sendfile_header
;
681 NTSTATUS
*sendfile_status
;
682 struct iovec
*vector
;
688 struct smbd_smb2_request
{
689 struct smbd_smb2_request
*prev
, *next
;
691 struct smbd_server_connection
*sconn
;
692 struct smbXsrv_connection
*xconn
;
694 struct smbd_smb2_send_queue queue_entry
;
696 /* the session the request operates on, maybe NULL */
697 struct smbXsrv_session
*session
;
698 uint64_t last_session_id
;
700 /* the tcon the request operates on, maybe NULL */
701 struct smbXsrv_tcon
*tcon
;
704 /* the tevent_context (wrapper) the request operates on */
705 struct tevent_context
*ev_ctx
;
709 /* Was the request encrypted? */
711 /* Should we encrypt? */
713 struct tevent_timer
*async_te
;
714 bool compound_related
;
717 * Give the implementation of an SMB2 req a way to tell the SMB2 request
718 * processing engine that the internal request is going async, while
719 * preserving synchronous SMB2 behaviour.
724 * the encryption key for the whole
729 * the signing key for the last
730 * request/response of a compound chain
733 struct smbXsrv_preauth
*preauth
;
735 struct timeval request_time
;
737 SMBPROFILE_IOBYTES_ASYNC_STATE(profile
);
739 /* fake smb1 request. */
740 struct smb_request
*smb1req
;
741 struct files_struct
*compat_chain_fsp
;
744 * Keep track of whether the outstanding request counters
745 * had been updated in dispatch, so that they need to be
746 * adapted again in reply.
748 bool request_counters_updated
;
749 uint64_t channel_generation
;
752 * The sub request for async backend calls.
753 * This is used for SMB2 Cancel.
755 struct tevent_req
*subreq
;
757 #define SMBD_SMB2_TF_IOV_OFS 0
758 #define SMBD_SMB2_HDR_IOV_OFS 1
759 #define SMBD_SMB2_BODY_IOV_OFS 2
760 #define SMBD_SMB2_DYN_IOV_OFS 3
762 #define SMBD_SMB2_NUM_IOV_PER_REQ 4
764 #define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
765 (&req->dir.vector[(idx)+(ofs)])
767 #define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
768 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
769 #define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
770 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
771 #define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
772 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
773 #define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
774 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
776 #define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
777 #define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
778 #define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
779 #define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
780 #define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
781 #define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
782 #define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
783 #define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
784 #define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
785 #define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
787 #define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
788 #define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
789 #define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
790 #define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
791 #define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
792 #define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
793 #define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
794 #define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
795 #define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
796 #define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
798 #define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
802 * vector[0] TRANSPORT HEADER (empty)
804 * vector[1] SMB2_TRANSFORM (optional)
806 * vector[3] fixed body
807 * vector[4] dynamic body
811 * vector[5] SMB2_TRANSFORM (optional)
813 * vector[7] fixed body
814 * vector[8] dynamic body
819 struct iovec
*vector
;
821 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
824 /* the NBT header is not allocated */
827 * vector[0] TRANSPORT HEADER
829 * vector[1] SMB2_TRANSFORM (optional)
831 * vector[3] fixed body
832 * vector[4] dynamic body
836 * vector[5] SMB2_TRANSFORM (empty)
838 * vector[7] fixed body
839 * vector[8] dynamic body
844 struct iovec
*vector
;
846 struct iovec _vector
[1 + SMBD_SMB2_NUM_IOV_PER_REQ
];
847 #define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
848 uint8_t _hdr
[OUTVEC_ALLOC_SIZE
];
853 struct smbd_server_connection
;
856 struct pending_message_list
;
857 struct pending_auth_data
;
860 struct user_struct
*next
, *prev
;
861 uint64_t vuid
; /* Tag for this entry. */
863 char *session_keystr
; /* used by utmp and pam session code.
867 struct auth_session_info
*session_info
;
869 struct smbXsrv_session
*session
;
872 struct pthreadpool_tevent
;
874 struct smbd_server_connection
{
875 const struct tsocket_address
*local_address
;
876 const struct tsocket_address
*remote_address
;
877 const char *remote_hostname
;
878 struct tevent_context
*raw_ev_ctx
;
879 struct tevent_context
*root_ev_ctx
;
880 struct tevent_context
*guest_ev_ctx
;
881 struct messaging_context
*msg_ctx
;
882 struct notify_context
*notify_ctx
;
884 bool aapl_zero_file_id
; /* Apple-specific */
888 struct user_struct
*users
;
890 size_t num_connections
;
891 struct connection_struct
*connections
;
894 struct files_struct
*files
;
896 int real_max_open_files
;
897 struct fsp_singleton_cache fsp_fi_cache
;
899 struct pending_message_list
*deferred_open_queue
;
902 /* open directory handles. */
904 struct bitmap
*dptr_bmap
;
905 struct dptr_struct
*dirptrs
;
909 uint64_t num_requests
;
911 /* Current number of oplocks we have outstanding. */
913 int32_t exclusive_open
;
914 int32_t level_II_open
;
915 struct kernel_oplocks
*kernel_ops
;
919 struct notify_mid_map
*notify_mid_maps
;
922 /* dlink list we store pending lock records on. */
923 struct blocking_lock_record
*blocking_lock_queue
;
924 /* dlink list we move cancelled lock records onto. */
925 struct blocking_lock_record
*blocking_lock_cancelled_queue
;
927 /* The event that makes us process our blocking lock queue */
928 struct tevent_timer
*brl_timeout
;
930 bool blocking_lock_unlock_state
;
931 bool blocking_lock_cancel_state
;
936 /* The event that makes us process our blocking lock queue */
937 struct tevent_timer
*brl_timeout
;
938 bool blocking_lock_unlock_state
;
942 struct pthreadpool_tevent
*pool
;
944 struct smbXsrv_client
*client
;
947 extern struct smbXsrv_client
*global_smbXsrv_client
;
949 void smbd_init_globals(void);