source: vendor/current/source3/smbd/globals.h

Last change on this file was 989, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.7
File size: 29.0 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3 smbd globals
4 Copyright (C) Stefan Metzmacher 2009
5 Copyright (C) Jeremy Allison 2010
6
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.
11
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.
16
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/>.
19*/
20
21#include "system/select.h"
22#include "librpc/gen_ndr/smbXsrv.h"
23#include "smbprofile.h"
24
25#ifdef USE_DMAPI
26struct smbd_dmapi_context;
27extern struct smbd_dmapi_context *dmapi_ctx;
28#endif
29
30/* how many write cache buffers have been allocated */
31extern unsigned int allocated_write_caches;
32
33/* A singleton cache to speed up searching by dev/inode. */
34struct fsp_singleton_cache {
35 files_struct *fsp;
36 struct file_id id;
37};
38
39extern const struct mangle_fns *mangle_fns;
40
41extern unsigned char *chartest;
42struct tdb_context;
43extern struct tdb_context *tdb_mangled_cache;
44
45/*
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.
49*/
50extern unsigned mangle_prefix;
51
52struct msg_state;
53
54extern bool logged_ioctl_message;
55
56extern int trans_num;
57
58extern time_t last_smb_conf_reload_time;
59extern time_t last_printer_reload_time;
60extern pid_t background_lpq_updater_pid;
61
62/****************************************************************************
63 structure to hold a linked list of queued messages.
64 for processing.
65****************************************************************************/
66extern uint32_t common_flags2;
67
68extern struct smb_trans_enc_state *partial_srv_trans_enc_ctx;
69extern struct smb_trans_enc_state *srv_trans_enc_ctx;
70
71struct sec_ctx {
72 struct security_unix_token ut;
73 struct security_token *token;
74};
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. */
77extern struct sec_ctx sec_ctx_stack[MAX_SEC_CTX_DEPTH + 1];
78extern int sec_ctx_stack_ndx;
79extern bool become_uid_done;
80extern bool become_gid_done;
81
82extern connection_struct *last_conn;
83extern uint16_t last_flags;
84
85extern uint32_t global_client_caps;
86
87extern uint16_t fnf_handle;
88
89struct conn_ctx {
90 connection_struct *conn;
91 uint64_t vuid;
92};
93/* A stack of current_user connection contexts. */
94extern struct conn_ctx conn_ctx_stack[MAX_SEC_CTX_DEPTH];
95extern int conn_ctx_stack_ndx;
96
97struct vfs_init_function_entry;
98extern struct vfs_init_function_entry *backends;
99extern char *sparse_buf;
100extern char *LastDir;
101
102struct smbd_parent_context;
103extern struct smbd_parent_context *am_parent;
104extern struct memcache *smbd_memcache_ctx;
105extern bool exit_firsttime;
106
107struct tstream_context;
108struct smbd_smb2_request;
109
110DATA_BLOB negprot_spnego(TALLOC_CTX *ctx, struct smbXsrv_connection *xconn);
111
112void smbd_lock_socket(struct smbXsrv_connection *xconn);
113void smbd_unlock_socket(struct smbXsrv_connection *xconn);
114
115NTSTATUS smbd_do_locking(struct smb_request *req,
116 files_struct *fsp,
117 uint8_t type,
118 int32_t timeout,
119 uint16_t num_locks,
120 struct smbd_lock_element *locks,
121 bool *async);
122NTSTATUS smbd_do_unlocking(struct smb_request *req,
123 files_struct *fsp,
124 uint16_t num_ulocks,
125 struct smbd_lock_element *ulocks);
126
127NTSTATUS smbd_do_qfilepathinfo(connection_struct *conn,
128 TALLOC_CTX *mem_ctx,
129 uint16_t info_level,
130 files_struct *fsp,
131 struct smb_filename *smb_fname,
132 bool delete_pending,
133 struct timespec write_time_ts,
134 struct ea_list *ea_list,
135 int lock_data_count,
136 char *lock_data,
137 uint16_t flags2,
138 unsigned int max_data_bytes,
139 size_t *fixed_portion,
140 char **ppdata,
141 unsigned int *pdata_size);
142
143NTSTATUS smbd_do_setfsinfo(connection_struct *conn,
144 struct smb_request *req,
145 TALLOC_CTX *mem_ctx,
146 uint16_t info_level,
147 files_struct *fsp,
148 const DATA_BLOB *pdata);
149
150NTSTATUS smbd_do_setfilepathinfo(connection_struct *conn,
151 struct smb_request *req,
152 TALLOC_CTX *mem_ctx,
153 uint16_t info_level,
154 files_struct *fsp,
155 struct smb_filename *smb_fname,
156 char **ppdata, int total_data,
157 int *ret_data_size);
158
159NTSTATUS smbd_do_qfsinfo(struct smbXsrv_connection *xconn,
160 connection_struct *conn,
161 TALLOC_CTX *mem_ctx,
162 uint16_t info_level,
163 uint16_t flags2,
164 unsigned int max_data_bytes,
165 size_t *fixed_portion,
166 struct smb_filename *smb_fname,
167 char **ppdata,
168 int *ret_data_len);
169
170bool smbd_dirptr_get_entry(TALLOC_CTX *ctx,
171 struct dptr_struct *dirptr,
172 const char *mask,
173 uint32_t dirtype,
174 bool dont_descend,
175 bool ask_sharemode,
176 bool (*match_fn)(TALLOC_CTX *ctx,
177 void *private_data,
178 const char *dname,
179 const char *mask,
180 char **_fname),
181 bool (*mode_fn)(TALLOC_CTX *ctx,
182 void *private_data,
183 struct smb_filename *smb_fname,
184 uint32_t *_mode),
185 void *private_data,
186 char **_fname,
187 struct smb_filename **_smb_fname,
188 uint32_t *_mode,
189 long *_prev_offset);
190
191NTSTATUS smbd_dirptr_lanman2_entry(TALLOC_CTX *ctx,
192 connection_struct *conn,
193 struct dptr_struct *dirptr,
194 uint16_t flags2,
195 const char *path_mask,
196 uint32_t dirtype,
197 int info_level,
198 int requires_resume_key,
199 bool dont_descend,
200 bool ask_sharemode,
201 uint8_t align,
202 bool do_pad,
203 char **ppdata,
204 char *base_data,
205 char *end_data,
206 int space_remaining,
207 bool *got_exact_match,
208 int *_last_entry_off,
209 struct ea_list *name_list);
210
211NTSTATUS smbd_calculate_access_mask(connection_struct *conn,
212 const struct smb_filename *smb_fname,
213 bool use_privs,
214 uint32_t access_mask,
215 uint32_t *access_mask_out);
216
217void smbd_notify_cancel_by_smbreq(const struct smb_request *smbreq);
218
219void smbd_server_connection_terminate_ex(struct smbXsrv_connection *xconn,
220 const char *reason,
221 const char *location);
222#define smbd_server_connection_terminate(xconn, reason) \
223 smbd_server_connection_terminate_ex(xconn, reason, __location__)
224
225const char *smb2_opcode_name(uint16_t opcode);
226bool smbd_is_smb2_header(const uint8_t *inbuf, size_t size);
227
228NTSTATUS smbd_add_connection(struct smbXsrv_client *client, int sock_fd,
229 struct smbXsrv_connection **_xconn);
230
231void reply_smb2002(struct smb_request *req, uint16_t choice);
232void reply_smb20ff(struct smb_request *req, uint16_t choice);
233void smbd_smb2_process_negprot(struct smbXsrv_connection *xconn,
234 uint64_t expected_seq_low,
235 const uint8_t *inpdu, size_t size);
236
237DATA_BLOB smbd_smb2_generate_outbody(struct smbd_smb2_request *req, size_t size);
238
239NTSTATUS smbd_smb2_request_error_ex(struct smbd_smb2_request *req,
240 NTSTATUS status,
241 DATA_BLOB *info,
242 const char *location);
243#define smbd_smb2_request_error(req, status) \
244 smbd_smb2_request_error_ex(req, status, NULL, __location__)
245NTSTATUS smbd_smb2_request_done_ex(struct smbd_smb2_request *req,
246 NTSTATUS status,
247 DATA_BLOB body, DATA_BLOB *dyn,
248 const char *location);
249#define smbd_smb2_request_done(req, body, dyn) \
250 smbd_smb2_request_done_ex(req, NT_STATUS_OK, body, dyn, __location__)
251
252NTSTATUS smbd_smb2_send_oplock_break(struct smbXsrv_connection *xconn,
253 struct smbXsrv_session *session,
254 struct smbXsrv_tcon *tcon,
255 struct smbXsrv_open *op,
256 uint8_t oplock_level);
257NTSTATUS smbd_smb2_send_lease_break(struct smbXsrv_connection *xconn,
258 uint16_t new_epoch,
259 uint32_t lease_flags,
260 struct smb2_lease_key *lease_key,
261 uint32_t current_lease_state,
262 uint32_t new_lease_state);
263
264NTSTATUS smbd_smb2_request_pending_queue(struct smbd_smb2_request *req,
265 struct tevent_req *subreq,
266 uint32_t defer_time);
267
268struct smb_request *smbd_smb2_fake_smb_request(struct smbd_smb2_request *req);
269size_t smbd_smb2_unread_bytes(struct smbd_smb2_request *req);
270void remove_smb2_chained_fsp(files_struct *fsp);
271
272NTSTATUS smbd_smb2_request_verify_creditcharge(struct smbd_smb2_request *req,
273 uint32_t data_length);
274
275NTSTATUS smbd_smb2_request_verify_sizes(struct smbd_smb2_request *req,
276 size_t expected_body_size);
277
278enum protocol_types smbd_smb2_protocol_dialect_match(const uint8_t *indyn,
279 const int dialect_count,
280 uint16_t *dialect);
281NTSTATUS smbd_smb2_request_process_negprot(struct smbd_smb2_request *req);
282NTSTATUS smbd_smb2_request_process_sesssetup(struct smbd_smb2_request *req);
283NTSTATUS smbd_smb2_request_process_logoff(struct smbd_smb2_request *req);
284NTSTATUS smbd_smb2_request_process_tcon(struct smbd_smb2_request *req);
285NTSTATUS smbd_smb2_request_process_tdis(struct smbd_smb2_request *req);
286NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req);
287NTSTATUS smbd_smb2_request_process_close(struct smbd_smb2_request *req);
288NTSTATUS smbd_smb2_request_process_flush(struct smbd_smb2_request *req);
289NTSTATUS smbd_smb2_request_process_read(struct smbd_smb2_request *req);
290NTSTATUS smb2_read_complete(struct tevent_req *req, ssize_t nread, int err);
291NTSTATUS smbd_smb2_request_process_write(struct smbd_smb2_request *req);
292NTSTATUS smb2_write_complete(struct tevent_req *req, ssize_t nwritten, int err);
293NTSTATUS smb2_write_complete_nosync(struct tevent_req *req, ssize_t nwritten,
294 int err);
295NTSTATUS smbd_smb2_request_process_lock(struct smbd_smb2_request *req);
296NTSTATUS smbd_smb2_request_process_ioctl(struct smbd_smb2_request *req);
297NTSTATUS smbd_smb2_request_process_keepalive(struct smbd_smb2_request *req);
298NTSTATUS smbd_smb2_request_process_query_directory(struct smbd_smb2_request *req);
299NTSTATUS smbd_smb2_request_process_notify(struct smbd_smb2_request *req);
300NTSTATUS smbd_smb2_request_process_getinfo(struct smbd_smb2_request *req);
301NTSTATUS smbd_smb2_request_process_setinfo(struct smbd_smb2_request *req);
302NTSTATUS smbd_smb2_request_process_break(struct smbd_smb2_request *req);
303NTSTATUS smbd_smb2_request_dispatch(struct smbd_smb2_request *req);
304void smbd_smb2_request_dispatch_immediate(struct tevent_context *ctx,
305 struct tevent_immediate *im,
306 void *private_data);
307
308struct deferred_open_record;
309
310/* SMB1 -> SMB2 glue. */
311void send_break_message_smb2(files_struct *fsp,
312 uint32_t break_from,
313 uint32_t break_to);
314struct blocking_lock_record *get_pending_smb2req_blr(struct smbd_smb2_request *smb2req);
315bool push_blocking_lock_request_smb2( struct byte_range_lock *br_lck,
316 struct smb_request *req,
317 files_struct *fsp,
318 int lock_timeout,
319 int lock_num,
320 uint64_t smblctx,
321 enum brl_type lock_type,
322 enum brl_flavour lock_flav,
323 uint64_t offset,
324 uint64_t count,
325 uint64_t blocking_smblctx);
326void process_blocking_lock_queue_smb2(
327 struct smbd_server_connection *sconn, struct timeval tv_curr);
328void cancel_pending_lock_requests_by_fid_smb2(files_struct *fsp,
329 struct byte_range_lock *br_lck,
330 enum file_close_type close_type);
331/* From smbd/smb2_create.c */
332int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level);
333bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
334 struct timeval *p_request_time,
335 struct deferred_open_record **open_rec);
336bool open_was_deferred_smb2(
337 struct smbXsrv_connection *xconn, uint64_t mid);
338void remove_deferred_open_message_smb2(
339 struct smbXsrv_connection *xconn, uint64_t mid);
340bool schedule_deferred_open_message_smb2(
341 struct smbXsrv_connection *xconn, uint64_t mid);
342bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
343 struct timeval request_time,
344 struct timeval timeout,
345 struct file_id id,
346 struct deferred_open_record *open_rec);
347
348struct smbXsrv_client;
349
350struct smbXsrv_preauth {
351 uint8_t sha512_value[64];
352};
353
354struct smbXsrv_connection {
355 struct smbXsrv_connection *prev, *next;
356
357 struct smbXsrv_client *client;
358
359
360 const struct tsocket_address *local_address;
361 const struct tsocket_address *remote_address;
362 const char *remote_hostname;
363
364 struct tevent_context *ev_ctx;
365 struct messaging_context *msg_ctx;
366
367 enum protocol_types protocol;
368
369 struct {
370 NTSTATUS status;
371 int sock;
372 struct tevent_fd *fde;
373
374 struct {
375 bool got_session;
376 } nbt;
377 } transport;
378
379 struct {
380 struct {
381 /*
382 * fd for the fcntl lock and process shared
383 * robust mutex to coordinate access to the
384 * client socket. When the system supports
385 * process shared robust mutexes, those are
386 * used. If not, then the fcntl lock will be
387 * used.
388 */
389 int socket_lock_fd;
390#ifdef HAVE_ROBUST_MUTEXES
391 pthread_mutex_t *socket_mutex;
392#endif
393
394 /*
395 * fd for the trusted pipe from
396 * echo handler child
397 */
398 int trusted_fd;
399
400 /*
401 * fde for the trusted_fd
402 */
403 struct tevent_fd *trusted_fde;
404
405 /*
406 * Reference count for the fcntl lock to
407 * allow recursive locks.
408 */
409 int ref_count;
410 } echo_handler;
411
412 struct {
413 bool encrypted_passwords;
414 bool spnego;
415 struct auth4_context *auth_context;
416 bool done;
417 /*
418 * Size of the data we can receive. Set by us.
419 * Can be modified by the max xmit parameter.
420 */
421 int max_recv;
422 } negprot;
423
424 struct {
425 bool done_sesssetup;
426 /*
427 * Size of data we can send to client. Set
428 * by the client for all protocols above CORE.
429 * Set by us for CORE protocol.
430 */
431 int max_send;
432 } sessions;
433 struct smb_signing_state *signing_state;
434
435 struct {
436 uint16_t client_major;
437 uint16_t client_minor;
438 uint32_t client_cap_low;
439 uint32_t client_cap_high;
440 } unix_info;
441
442 struct msg_state *msg_state;
443 } smb1;
444 struct {
445 struct smbd_smb2_request_read_state {
446 struct smbd_smb2_request *req;
447 struct {
448 uint8_t nbt[NBT_HDR_SIZE];
449 bool done;
450 } hdr;
451 struct iovec vector;
452 bool doing_receivefile;
453 size_t min_recv_size;
454 size_t pktfull;
455 size_t pktlen;
456 uint8_t *pktbuf;
457 } request_read_state;
458 struct smbd_smb2_send_queue *send_queue;
459 size_t send_queue_len;
460
461 struct {
462 /*
463 * seq_low is the lowest sequence number
464 * we will accept.
465 */
466 uint64_t seq_low;
467 /*
468 * seq_range is the range of credits we have
469 * granted from the sequence windows starting
470 * at seq_low.
471 *
472 * This gets incremented when new credits are
473 * granted and gets decremented when the
474 * lowest sequence number is consumed
475 * (when seq_low gets incremented).
476 */
477 uint16_t seq_range;
478 /*
479 * The number of credits we have currently granted
480 * to the client.
481 *
482 * This gets incremented when new credits are
483 * granted and gets decremented when any credit
484 * is comsumed.
485 *
486 * Note: the decrementing is different compared
487 * to seq_range.
488 */
489 uint16_t granted;
490 /*
491 * The maximum number of credits we will ever
492 * grant to the client.
493 *
494 * Typically we will only grant 1/16th of
495 * max_credits.
496 *
497 * This is the "server max credits" parameter.
498 */
499 uint16_t max;
500 /*
501 * a bitmap of size max_credits
502 */
503 struct bitmap *bitmap;
504 bool multicredit;
505 } credits;
506
507 bool allow_2ff;
508 struct {
509 uint32_t capabilities;
510 struct GUID guid;
511 bool guid_verified;
512 uint16_t security_mode;
513 uint16_t num_dialects;
514 uint16_t *dialects;
515 } client;
516 struct {
517 uint32_t capabilities;
518 struct GUID guid;
519 uint16_t security_mode;
520 uint16_t dialect;
521 uint32_t max_trans;
522 uint32_t max_read;
523 uint32_t max_write;
524 uint16_t cipher;
525 } server;
526
527 struct smbXsrv_preauth preauth;
528
529 struct smbd_smb2_request *requests;
530 } smb2;
531};
532
533const char *smbXsrv_connection_dbg(const struct smbXsrv_connection *xconn);
534
535NTSTATUS smbXsrv_version_global_init(const struct server_id *server_id);
536uint32_t smbXsrv_version_global_current(void);
537
538struct smbXsrv_client_table;
539NTSTATUS smbXsrv_client_global_init(void);
540NTSTATUS smbXsrv_client_create(TALLOC_CTX *mem_ctx,
541 struct tevent_context *ev_ctx,
542 struct messaging_context *msg_ctx,
543 NTTIME now,
544 struct smbXsrv_client **_client);
545NTSTATUS smbXsrv_client_update(struct smbXsrv_client *client);
546NTSTATUS smbXsrv_client_remove(struct smbXsrv_client *client);
547NTSTATUS smb2srv_client_lookup_global(struct smbXsrv_client *client,
548 struct GUID client_guid,
549 TALLOC_CTX *mem_ctx,
550 struct smbXsrv_client_global0 **_pass);
551NTSTATUS smb2srv_client_connection_pass(struct smbd_smb2_request *smb2req,
552 struct smbXsrv_client_global0 *global);
553
554NTSTATUS smbXsrv_connection_init_tables(struct smbXsrv_connection *conn,
555 enum protocol_types protocol);
556
557NTSTATUS smbXsrv_session_global_init(void);
558NTSTATUS smbXsrv_session_create(struct smbXsrv_connection *conn,
559 NTTIME now,
560 struct smbXsrv_session **_session);
561NTSTATUS smbXsrv_session_add_channel(struct smbXsrv_session *session,
562 struct smbXsrv_connection *conn,
563 struct smbXsrv_channel_global0 **_c);
564NTSTATUS smbXsrv_session_update(struct smbXsrv_session *session);
565struct smbXsrv_channel_global0;
566NTSTATUS smbXsrv_session_find_channel(const struct smbXsrv_session *session,
567 const struct smbXsrv_connection *conn,
568 struct smbXsrv_channel_global0 **_c);
569NTSTATUS smbXsrv_session_find_auth(const struct smbXsrv_session *session,
570 const struct smbXsrv_connection *conn,
571 NTTIME now,
572 struct smbXsrv_session_auth0 **_a);
573NTSTATUS smbXsrv_session_create_auth(struct smbXsrv_session *session,
574 struct smbXsrv_connection *conn,
575 NTTIME now,
576 uint8_t in_flags,
577 uint8_t in_security_mode,
578 struct smbXsrv_session_auth0 **_a);
579struct tevent_req *smb2srv_session_shutdown_send(TALLOC_CTX *mem_ctx,
580 struct tevent_context *ev,
581 struct smbXsrv_session *session,
582 struct smbd_smb2_request *current_req);
583NTSTATUS smb2srv_session_shutdown_recv(struct tevent_req *req);
584NTSTATUS smbXsrv_session_logoff(struct smbXsrv_session *session);
585NTSTATUS smbXsrv_session_logoff_all(struct smbXsrv_connection *conn);
586NTSTATUS smb1srv_session_table_init(struct smbXsrv_connection *conn);
587NTSTATUS smb1srv_session_lookup(struct smbXsrv_connection *conn,
588 uint16_t vuid, NTTIME now,
589 struct smbXsrv_session **session);
590NTSTATUS smb2srv_session_table_init(struct smbXsrv_connection *conn);
591NTSTATUS smb2srv_session_lookup_conn(struct smbXsrv_connection *conn,
592 uint64_t session_id, NTTIME now,
593 struct smbXsrv_session **session);
594NTSTATUS smb2srv_session_lookup_client(struct smbXsrv_client *client,
595 uint64_t session_id, NTTIME now,
596 struct smbXsrv_session **session);
597struct smbXsrv_session_global0;
598NTSTATUS smbXsrv_session_global_traverse(
599 int (*fn)(struct smbXsrv_session_global0 *, void *),
600 void *private_data);
601struct tevent_req *smb2srv_session_close_previous_send(TALLOC_CTX *mem_ctx,
602 struct tevent_context *ev,
603 struct smbXsrv_connection *conn,
604 struct auth_session_info *session_info,
605 uint64_t previous_session_id,
606 uint64_t current_session_id);
607NTSTATUS smb2srv_session_close_previous_recv(struct tevent_req *req);
608
609NTSTATUS smbXsrv_tcon_global_init(void);
610NTSTATUS smbXsrv_tcon_update(struct smbXsrv_tcon *tcon);
611NTSTATUS smbXsrv_tcon_disconnect(struct smbXsrv_tcon *tcon, uint64_t vuid);
612NTSTATUS smb1srv_tcon_table_init(struct smbXsrv_connection *conn);
613NTSTATUS smb1srv_tcon_create(struct smbXsrv_connection *conn,
614 NTTIME now,
615 struct smbXsrv_tcon **_tcon);
616NTSTATUS smb1srv_tcon_lookup(struct smbXsrv_connection *conn,
617 uint16_t tree_id, NTTIME now,
618 struct smbXsrv_tcon **tcon);
619NTSTATUS smb1srv_tcon_disconnect_all(struct smbXsrv_connection *conn);
620NTSTATUS smb2srv_tcon_table_init(struct smbXsrv_session *session);
621NTSTATUS smb2srv_tcon_create(struct smbXsrv_session *session,
622 NTTIME now,
623 struct smbXsrv_tcon **_tcon);
624NTSTATUS smb2srv_tcon_lookup(struct smbXsrv_session *session,
625 uint32_t tree_id, NTTIME now,
626 struct smbXsrv_tcon **tcon);
627NTSTATUS smb2srv_tcon_disconnect_all(struct smbXsrv_session *session);
628struct smbXsrv_tcon_global0;
629NTSTATUS smbXsrv_tcon_global_traverse(
630 int (*fn)(struct smbXsrv_tcon_global0 *, void *),
631 void *private_data);
632
633NTSTATUS smbXsrv_open_global_init(void);
634NTSTATUS smbXsrv_open_create(struct smbXsrv_connection *conn,
635 struct auth_session_info *session_info,
636 NTTIME now,
637 struct smbXsrv_open **_open);
638uint32_t smbXsrv_open_hash(struct smbXsrv_open *_open);
639NTSTATUS smbXsrv_open_update(struct smbXsrv_open *_open);
640NTSTATUS smbXsrv_open_close(struct smbXsrv_open *op, NTTIME now);
641NTSTATUS smb1srv_open_table_init(struct smbXsrv_connection *conn);
642NTSTATUS smb1srv_open_lookup(struct smbXsrv_connection *conn,
643 uint16_t fnum, NTTIME now,
644 struct smbXsrv_open **_open);
645NTSTATUS smb2srv_open_table_init(struct smbXsrv_connection *conn);
646NTSTATUS smb2srv_open_lookup(struct smbXsrv_connection *conn,
647 uint64_t persistent_id,
648 uint64_t volatile_id,
649 NTTIME now,
650 struct smbXsrv_open **_open);
651NTSTATUS smb2srv_open_lookup_replay_cache(struct smbXsrv_connection *conn,
652 const struct GUID *create_guid,
653 NTTIME now,
654 struct smbXsrv_open **_open);
655NTSTATUS smb2srv_open_recreate(struct smbXsrv_connection *conn,
656 struct auth_session_info *session_info,
657 uint64_t persistent_id,
658 const struct GUID *create_guid,
659 NTTIME now,
660 struct smbXsrv_open **_open);
661struct smbXsrv_open_global0;
662NTSTATUS smbXsrv_open_global_traverse(
663 int (*fn)(struct smbXsrv_open_global0 *, void *),
664 void *private_data);
665
666NTSTATUS smbXsrv_open_cleanup(uint64_t persistent_id);
667bool smbXsrv_is_encrypted(uint8_t encryption_flags);
668bool smbXsrv_is_partially_encrypted(uint8_t encryption_flags);
669bool smbXsrv_set_crypto_flag(uint8_t *flags, uint8_t flag);
670bool smbXsrv_is_signed(uint8_t signing_flags);
671bool smbXsrv_is_partially_signed(uint8_t signing_flags);
672
673struct smbd_smb2_send_queue {
674 struct smbd_smb2_send_queue *prev, *next;
675
676 DATA_BLOB *sendfile_header;
677 NTSTATUS *sendfile_status;
678 struct iovec *vector;
679 int count;
680
681 TALLOC_CTX *mem_ctx;
682};
683
684struct smbd_smb2_request {
685 struct smbd_smb2_request *prev, *next;
686
687 struct smbd_server_connection *sconn;
688 struct smbXsrv_connection *xconn;
689
690 struct smbd_smb2_send_queue queue_entry;
691
692 /* the session the request operates on, maybe NULL */
693 struct smbXsrv_session *session;
694 uint64_t last_session_id;
695
696 /* the tcon the request operates on, maybe NULL */
697 struct smbXsrv_tcon *tcon;
698 uint32_t last_tid;
699
700 int current_idx;
701 bool do_signing;
702 /* Was the request encrypted? */
703 bool was_encrypted;
704 /* Should we encrypt? */
705 bool do_encryption;
706 struct tevent_timer *async_te;
707 bool compound_related;
708
709 /*
710 * the encryption key for the whole
711 * compound chain
712 */
713 DATA_BLOB first_key;
714 /*
715 * the signing key for the last
716 * request/response of a compound chain
717 */
718 DATA_BLOB last_key;
719 struct smbXsrv_preauth *preauth;
720
721 struct timeval request_time;
722
723 SMBPROFILE_IOBYTES_ASYNC_STATE(profile);
724
725 /* fake smb1 request. */
726 struct smb_request *smb1req;
727 struct files_struct *compat_chain_fsp;
728
729 /*
730 * Keep track of whether the outstanding request counters
731 * had been updated in dispatch, so that they need to be
732 * adapted again in reply.
733 */
734 bool request_counters_updated;
735
736 /*
737 * The sub request for async backend calls.
738 * This is used for SMB2 Cancel.
739 */
740 struct tevent_req *subreq;
741
742#define SMBD_SMB2_TF_IOV_OFS 0
743#define SMBD_SMB2_HDR_IOV_OFS 1
744#define SMBD_SMB2_BODY_IOV_OFS 2
745#define SMBD_SMB2_DYN_IOV_OFS 3
746
747#define SMBD_SMB2_NUM_IOV_PER_REQ 4
748
749#define SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,ofs) \
750 (&req->dir.vector[(idx)+(ofs)])
751
752#define SMBD_SMB2_IDX_TF_IOV(req,dir,idx) \
753 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_TF_IOV_OFS)
754#define SMBD_SMB2_IDX_HDR_IOV(req,dir,idx) \
755 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_HDR_IOV_OFS)
756#define SMBD_SMB2_IDX_BODY_IOV(req,dir,idx) \
757 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_BODY_IOV_OFS)
758#define SMBD_SMB2_IDX_DYN_IOV(req,dir,idx) \
759 SMBD_SMB2_IOV_IDX_OFS(req,dir,idx,SMBD_SMB2_DYN_IOV_OFS)
760
761#define SMBD_SMB2_IN_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,in,req->current_idx)
762#define SMBD_SMB2_IN_TF_PTR(req) (uint8_t *)(SMBD_SMB2_IN_TF_IOV(req)->iov_base)
763#define SMBD_SMB2_IN_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,in,req->current_idx)
764#define SMBD_SMB2_IN_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_IN_HDR_IOV(req)->iov_base)
765#define SMBD_SMB2_IN_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,in,req->current_idx)
766#define SMBD_SMB2_IN_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_IN_BODY_IOV(req)->iov_base)
767#define SMBD_SMB2_IN_BODY_LEN(req) (SMBD_SMB2_IN_BODY_IOV(req)->iov_len)
768#define SMBD_SMB2_IN_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,in,req->current_idx)
769#define SMBD_SMB2_IN_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_IN_DYN_IOV(req)->iov_base)
770#define SMBD_SMB2_IN_DYN_LEN(req) (SMBD_SMB2_IN_DYN_IOV(req)->iov_len)
771
772#define SMBD_SMB2_OUT_TF_IOV(req) SMBD_SMB2_IDX_TF_IOV(req,out,req->current_idx)
773#define SMBD_SMB2_OUT_TF_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_TF_IOV(req)->iov_base)
774#define SMBD_SMB2_OUT_HDR_IOV(req) SMBD_SMB2_IDX_HDR_IOV(req,out,req->current_idx)
775#define SMBD_SMB2_OUT_HDR_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_HDR_IOV(req)->iov_base)
776#define SMBD_SMB2_OUT_BODY_IOV(req) SMBD_SMB2_IDX_BODY_IOV(req,out,req->current_idx)
777#define SMBD_SMB2_OUT_BODY_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_BODY_IOV(req)->iov_base)
778#define SMBD_SMB2_OUT_BODY_LEN(req) (SMBD_SMB2_OUT_BODY_IOV(req)->iov_len)
779#define SMBD_SMB2_OUT_DYN_IOV(req) SMBD_SMB2_IDX_DYN_IOV(req,out,req->current_idx)
780#define SMBD_SMB2_OUT_DYN_PTR(req) (uint8_t *)(SMBD_SMB2_OUT_DYN_IOV(req)->iov_base)
781#define SMBD_SMB2_OUT_DYN_LEN(req) (SMBD_SMB2_OUT_DYN_IOV(req)->iov_len)
782
783#define SMBD_SMB2_SHORT_RECEIVEFILE_WRITE_LEN (SMB2_HDR_BODY + 0x30)
784
785 struct {
786 /*
787 * vector[0] TRANSPORT HEADER (empty)
788 * .
789 * vector[1] SMB2_TRANSFORM (optional)
790 * vector[2] SMB2
791 * vector[3] fixed body
792 * vector[4] dynamic body
793 * .
794 * .
795 * .
796 * vector[5] SMB2_TRANSFORM (optional)
797 * vector[6] SMB2
798 * vector[7] fixed body
799 * vector[8] dynamic body
800 * .
801 * .
802 * .
803 */
804 struct iovec *vector;
805 int vector_count;
806 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
807 } in;
808 struct {
809 /* the NBT header is not allocated */
810 uint8_t nbt_hdr[4];
811 /*
812 * vector[0] TRANSPORT HEADER
813 * .
814 * vector[1] SMB2_TRANSFORM (optional)
815 * vector[2] SMB2
816 * vector[3] fixed body
817 * vector[4] dynamic body
818 * .
819 * .
820 * .
821 * vector[5] SMB2_TRANSFORM (empty)
822 * vector[6] SMB2
823 * vector[7] fixed body
824 * vector[8] dynamic body
825 * .
826 * .
827 * .
828 */
829 struct iovec *vector;
830 int vector_count;
831 struct iovec _vector[1 + SMBD_SMB2_NUM_IOV_PER_REQ];
832#define OUTVEC_ALLOC_SIZE (SMB2_HDR_BODY + 9)
833 uint8_t _hdr[OUTVEC_ALLOC_SIZE];
834 uint8_t _body[0x58];
835 } out;
836};
837
838struct smbd_server_connection;
839struct user_struct;
840
841struct pending_message_list;
842struct pending_auth_data;
843
844struct user_struct {
845 struct user_struct *next, *prev;
846 uint64_t vuid; /* Tag for this entry. */
847
848 char *session_keystr; /* used by utmp and pam session code.
849 TDB key string */
850 int homes_snum;
851
852 struct auth_session_info *session_info;
853
854 struct smbXsrv_session *session;
855};
856
857struct smbd_server_connection {
858 const struct tsocket_address *local_address;
859 const struct tsocket_address *remote_address;
860 const char *remote_hostname;
861 struct tevent_context *ev_ctx;
862 struct messaging_context *msg_ctx;
863 struct sys_notify_context *sys_notify_ctx;
864 struct notify_context *notify_ctx;
865 bool using_smb2;
866 int trans_num;
867
868 size_t num_users;
869 struct user_struct *users;
870
871 size_t num_connections;
872 struct connection_struct *connections;
873
874 size_t num_files;
875 struct files_struct *files;
876
877 int real_max_open_files;
878 struct fsp_singleton_cache fsp_fi_cache;
879
880 struct pending_message_list *deferred_open_queue;
881
882
883 /* open directory handles. */
884 struct {
885 struct bitmap *dptr_bmap;
886 struct dptr_struct *dirptrs;
887 int dirhandles_open;
888 } searches;
889
890 uint64_t num_requests;
891
892 /* Current number of oplocks we have outstanding. */
893 struct {
894 int32_t exclusive_open;
895 int32_t level_II_open;
896 struct kernel_oplocks *kernel_ops;
897 } oplocks;
898
899 struct {
900 struct notify_mid_map *notify_mid_maps;
901
902 struct {
903 /* dlink list we store pending lock records on. */
904 struct blocking_lock_record *blocking_lock_queue;
905 /* dlink list we move cancelled lock records onto. */
906 struct blocking_lock_record *blocking_lock_cancelled_queue;
907
908 /* The event that makes us process our blocking lock queue */
909 struct tevent_timer *brl_timeout;
910
911 bool blocking_lock_unlock_state;
912 bool blocking_lock_cancel_state;
913 } locks;
914 } smb1;
915 struct {
916 struct {
917 /* The event that makes us process our blocking lock queue */
918 struct tevent_timer *brl_timeout;
919 bool blocking_lock_unlock_state;
920 } locks;
921 } smb2;
922
923 /*
924 * Link into libasys for asynchronous operations
925 */
926 struct asys_context *asys_ctx;
927 struct tevent_fd *asys_fde;
928
929 struct smbXsrv_client *client;
930};
931
932extern struct smbXsrv_client *global_smbXsrv_client;
933
934void smbd_init_globals(void);
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