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CVE-2023-3961:s3:torture: Add test SMB2-INVALID-PIPENAME to show we allow bad pipenam...
[Samba.git] / source3 / smbd / proto.h
blob0200c39778d2977262cf42fb79b1fb5bd8ff2807
1 /*
2 * Unix SMB/CIFS implementation.
3 * Main SMB server routines
4 *
5 * Copyright (C) Andrew Tridgell 1992-2002,2006
6 * Copyright (C) Jeremy Allison 1992-2010
7 * Copyright (C) Volker Lendecke 1993-2009
8 * Copyright (C) John H Terpstra 1995-1998
9 * Copyright (C) Luke Kenneth Casson Leighton 1996-1998
10 * Copyright (C) Paul Ashton 1997-1998
11 * Copyright (C) Tim Potter 1999-2000
12 * Copyright (C) T.D.Lee@durham.ac.uk 1999
13 * Copyright (C) Ying Chen 2000
14 * Copyright (C) Shirish Kalele 2000
15 * Copyright (C) Andrew Bartlett 2001-2003
16 * Copyright (C) Alexander Bokovoy 2002,2005
17 * Copyright (C) Simo Sorce 2001-2002,2009
18 * Copyright (C) Andreas Gruenbacher 2002
19 * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
20 * Copyright (C) Martin Pool 2002
21 * Copyright (C) Luke Howard 2003
22 * Copyright (C) Stefan (metze) Metzmacher 2003,2009
23 * Copyright (C) Steve French 2005
24 * Copyright (C) Gerald (Jerry) Carter 2006
25 * Copyright (C) James Peach 2006-2007
26 * Copyright (C) Jelmer Vernooij 2002-2003
27 * Copyright (C) Michael Adam 2007
28 * Copyright (C) Rishi Srivatsavai 2007
29 * Copyright (C) Tim Prouty 2009
30 * Copyright (C) Gregor Beck 2011
31 *
32 * This program is free software; you can redistribute it and/or modify
33 * it under the terms of the GNU General Public License as published by
34 * the Free Software Foundation; either version 3 of the License, or
35 * (at your option) any later version.
36 *
37 * This program is distributed in the hope that it will be useful,
38 * but WITHOUT ANY WARRANTY; without even the implied warranty of
39 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
40 * GNU General Public License for more details.
41 *
42 * You should have received a copy of the GNU General Public License
43 * along with this program. If not, see <http://www.gnu.org/licenses/>.
44 */
45
46 #ifndef _SMBD_PROTO_H_
47 #define _SMBD_PROTO_H_
48
49 struct smbXsrv_client;
50 struct smbXsrv_connection;
51 struct dcesrv_context;
52
53 /* The following definitions come from smbd/smb2_signing.c */
54
55 bool srv_init_signing(struct smbXsrv_connection *conn);
56
57 /* The following definitions come from smbd/aio.c */
58
59 struct aio_extra;
60 bool aio_write_through_requested(struct aio_extra *aio_ex);
61 NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
62 struct smb_request *smbreq,
63 files_struct *fsp,
64 TALLOC_CTX *ctx,
65 DATA_BLOB *preadbuf,
66 off_t startpos,
67 size_t smb_maxcnt);
68 NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
69 struct smb_request *smbreq,
70 files_struct *fsp,
71 uint64_t in_offset,
72 DATA_BLOB in_data,
73 bool write_through);
74 bool cancel_smb2_aio(struct smb_request *smbreq);
75 bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
76 struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
77 files_struct *fsp,
78 size_t buflen);
79 struct tevent_req *pwrite_fsync_send(TALLOC_CTX *mem_ctx,
80 struct tevent_context *ev,
81 struct files_struct *fsp,
82 const void *data,
83 size_t n, off_t offset,
84 bool write_through);
85 ssize_t pwrite_fsync_recv(struct tevent_req *req, int *perr);
86
87 /* The following definitions come from smbd/blocking.c */
88
89 NTSTATUS smbd_do_locks_try(
90 struct files_struct *fsp,
91 uint16_t num_locks,
92 struct smbd_lock_element *locks,
93 uint16_t *blocker_idx,
94 struct server_id *blocking_pid,
95 uint64_t *blocking_smblctx);
96 struct tevent_req *smbd_smb1_do_locks_send(
97 TALLOC_CTX *mem_ctx,
98 struct tevent_context *ev,
99 struct smb_request **smbreq, /* talloc_move()d into our state */
100 struct files_struct *fsp,
101 uint32_t lock_timeout,
102 bool large_offset,
103 uint16_t num_locks,
104 struct smbd_lock_element *locks);
105 NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req);
106 bool smbd_smb1_do_locks_extract_smbreq(
107 struct tevent_req *req,
108 TALLOC_CTX *mem_ctx,
109 struct smb_request **psmbreq);
110 void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status);
111 bool smbd_smb1_brl_finish_by_lock(
112 struct files_struct *fsp,
113 bool large_offset,
114 struct smbd_lock_element lock,
115 NTSTATUS finish_status);
116 bool smbd_smb1_brl_finish_by_mid(
117 struct smbd_server_connection *sconn, uint64_t mid);
118
119 /* The following definitions come from smbd/close.c */
120
121 void set_close_write_time(struct files_struct *fsp, struct timespec ts);
122 NTSTATUS close_file_smb(struct smb_request *req,
123 struct files_struct *fsp,
124 enum file_close_type close_type);
125 NTSTATUS close_file_free(struct smb_request *req,
126 struct files_struct **_fsp,
127 enum file_close_type close_type);
128 void msg_close_file(struct messaging_context *msg_ctx,
129 void *private_data,
130 uint32_t msg_type,
131 struct server_id server_id,
132 DATA_BLOB *data);
133 NTSTATUS delete_all_streams(connection_struct *conn,
134 const struct smb_filename *smb_fname);
135 NTSTATUS recursive_rmdir(TALLOC_CTX *ctx,
136 connection_struct *conn,
137 struct smb_filename *smb_dname);
138 bool has_other_nonposix_opens(struct share_mode_lock *lck,
139 struct files_struct *fsp);
140
141 /* The following definitions come from smbd/conn.c */
142
143 int conn_num_open(struct smbd_server_connection *sconn);
144 bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
145 connection_struct *conn_new(struct smbd_server_connection *sconn);
146 bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
147 void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid);
148 void conn_free(connection_struct *conn);
149 void conn_setup_case_options(connection_struct *conn);
150 void conn_force_tdis(
151 struct smbd_server_connection *sconn,
152 bool (*check_fn)(struct connection_struct *conn,
153 void *private_data),
154 void *private_data);
155 void msg_force_tdis(struct messaging_context *msg,
156 void *private_data,
157 uint32_t msg_type,
158 struct server_id server_id,
159 DATA_BLOB *data);
160 void msg_force_tdis_denied(
161 struct messaging_context *msg,
162 void *private_data,
163 uint32_t msg_type,
164 struct server_id server_id,
165 DATA_BLOB *data);
166
167 /* The following definitions come from smbd/connection.c */
168
169 int count_current_connections(const char *sharename, bool verify);
170 bool connections_snum_used(struct smbd_server_connection *unused, int snum);
171
172 /* The following definitions come from smbd/dfree.c */
173
174 uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname,
175 uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
176 void flush_dfree_cache(void);
177
178 /* The following definitions come from smbd/dir.c */
179
180 bool init_dptrs(struct smbd_server_connection *sconn);
181 const char *dptr_path(struct smbd_server_connection *sconn, int key);
182 const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
183 uint16_t dptr_attr(struct smbd_server_connection *sconn, int key);
184 void dptr_closecnum(connection_struct *conn);
185 NTSTATUS dptr_create(connection_struct *conn,
186 struct smb_request *req,
187 files_struct *fsp,
188 bool old_handle,
189 const char *wcard,
190 uint32_t attr,
191 struct dptr_struct **dptr_ret);
192 void dptr_CloseDir(files_struct *fsp);
193 void dptr_RewindDir(struct dptr_struct *dptr);
194 unsigned int dptr_FileNumber(struct dptr_struct *dptr);
195 bool dptr_has_wild(struct dptr_struct *dptr);
196 int dptr_dnum(struct dptr_struct *dptr);
197 bool dptr_get_priv(struct dptr_struct *dptr);
198 void dptr_set_priv(struct dptr_struct *dptr);
199 bool dptr_case_sensitive(struct dptr_struct *dptr);
200 char *dptr_ReadDirName(TALLOC_CTX *ctx, struct dptr_struct *dptr);
201 struct smb_Dir;
202 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
203 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
204 int dptr_num);
205 struct smb_Dir;
206 bool is_visible_fsp(files_struct *fsp);
207 NTSTATUS OpenDir(TALLOC_CTX *mem_ctx,
208 connection_struct *conn,
209 const struct smb_filename *smb_dname,
210 const char *mask,
211 uint32_t attr,
212 struct smb_Dir **_dir_hnd);
213 NTSTATUS OpenDir_from_pathref(TALLOC_CTX *mem_ctx,
214 struct files_struct *dirfsp,
215 const char *mask,
216 uint32_t attr,
217 struct smb_Dir **_dir_hnd);
218 const char *ReadDirName(struct smb_Dir *dir_hnd, char **talloced);
219 void RewindDir(struct smb_Dir *dir_hnd);
220 NTSTATUS can_delete_directory(struct connection_struct *conn,
221 const char *dirname);
222 bool have_file_open_below(connection_struct *conn,
223 const struct smb_filename *name);
224
225 /* The following definitions come from smbd/dmapi.c */
226
227 const void *dmapi_get_current_session(void);
228 bool dmapi_have_session(void);
229 bool dmapi_new_session(void);
230 bool dmapi_destroy_session(void);
231 uint32_t dmapi_file_flags(const char * const path);
232
233 /* The following definitions come from smbd/dnsregister.c */
234
235 bool smbd_setup_mdns_registration(struct tevent_context *ev,
236 TALLOC_CTX *mem_ctx,
237 uint16_t port);
238
239 /* The following definitions come from smbd/dosmode.c */
240
241 mode_t unix_mode(connection_struct *conn, int dosmode,
242 const struct smb_filename *smb_fname,
243 struct files_struct *parent_dirfsp);
244 uint32_t dos_mode_msdfs(connection_struct *conn,
245 const char *name,
246 const struct stat_ex *st);
247 uint32_t fdos_mode(struct files_struct *fsp);
248 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
249 struct tevent_context *ev,
250 files_struct *dir_fsp,
251 struct smb_filename *smb_fname);
252 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
253 int file_set_dosmode(connection_struct *conn,
254 struct smb_filename *smb_fname,
255 uint32_t dosmode,
256 struct smb_filename *parent_dir,
257 bool newfile);
258 NTSTATUS file_set_sparse(connection_struct *conn,
259 struct files_struct *fsp,
260 bool sparse);
261 int file_ntimes(connection_struct *conn,
262 files_struct *fsp,
263 struct smb_file_time *ft);
264 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
265 bool set_sticky_write_time_fsp(struct files_struct *fsp,
266 struct timespec mtime);
267
268 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
269 uint32_t *pattr);
270 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
271 struct smb_filename *smb_fname,
272 uint32_t dosmode);
273
274 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
275 struct timespec create_time);
276
277 struct timespec get_create_timespec(connection_struct *conn,
278 struct files_struct *fsp,
279 const struct smb_filename *smb_fname);
280
281 struct timespec get_change_timespec(connection_struct *conn,
282 struct files_struct *fsp,
283 const struct smb_filename *smb_fname);
284
285 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
286 DATA_BLOB blob,
287 uint32_t *pattr);
288
289 /* The following definitions come from smbd/error.c */
290
291 bool use_nt_status(void);
292 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
293 size_t error_packet(char *outbuf,
294 uint8_t eclass,
295 uint32_t ecode,
296 NTSTATUS ntstatus,
297 int line,
298 const char *file);
299 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
300 int line, const char *file);
301 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
302 int line, const char *file);
303 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
304 NTSTATUS status, int line, const char *file);
305 void reply_openerror(struct smb_request *req, NTSTATUS status);
306
307 /* The following definitions come from smbd/file_access.c */
308
309 bool can_delete_file_in_directory(connection_struct *conn,
310 struct files_struct *dirfsp,
311 const struct smb_filename *smb_fname);
312 bool can_write_to_fsp(struct files_struct *fsp);
313 bool directory_has_default_acl_fsp(struct files_struct *fsp);
314 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
315
316 /* The following definitions come from smbd/fileio.c */
317
318 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
319 void fsp_flush_write_time_update(struct files_struct *fsp);
320 void trigger_write_time_update(struct files_struct *fsp);
321 void trigger_write_time_update_immediate(struct files_struct *fsp);
322 void mark_file_modified(files_struct *fsp);
323 ssize_t write_file(struct smb_request *req,
324 files_struct *fsp,
325 const char *data,
326 off_t pos,
327 size_t n);
328 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
329
330 /* The following definitions come from smbd/filename.c */
331
332 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
333 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
334 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
335 uint32_t ucf_flags,
336 NTTIME twrp);
337 NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp,
338 const char *name,
339 bool mangled,
340 TALLOC_CTX *mem_ctx,
341 char **found_name);
342 char *get_original_lcomp(TALLOC_CTX *ctx,
343 connection_struct *conn,
344 const char *filename_in,
345 uint32_t ucf_flags);
346 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
347 connection_struct *conn,
348 char *name_in,
349 uint32_t ucf_flags,
350 struct files_struct **_dirfsp,
351 struct smb_filename **_smb_fname_out,
352 char **_mask_out);
353 NTSTATUS get_real_filename_at(struct files_struct *dirfsp,
354 const char *name,
355 TALLOC_CTX *mem_ctx,
356 char **found_name);
357
358 /* The following definitions come from smbd/files.c */
359
360 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
361 files_struct **result);
362 void fsp_set_gen_id(files_struct *fsp);
363 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
364 files_struct **result);
365 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
366 void file_close_conn(connection_struct *conn, enum file_close_type close_type);
367 bool file_init_global(void);
368 bool file_init(struct smbd_server_connection *sconn);
369 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
370 struct files_struct *files_forall(
371 struct smbd_server_connection *sconn,
372 struct files_struct *(*fn)(struct files_struct *fsp,
373 void *private_data),
374 void *private_data);
375 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
376 files_struct *file_find_dif(struct smbd_server_connection *sconn,
377 struct file_id id, unsigned long gen_id);
378 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
379 struct file_id id,
380 bool need_fsa);
381 files_struct *file_find_di_next(files_struct *start_fsp,
382 bool need_fsa);
383 struct files_struct *file_find_one_fsp_from_lease_key(
384 struct smbd_server_connection *sconn,
385 const struct smb2_lease_key *lease_key);
386 bool file_find_subpath(files_struct *dir_fsp);
387 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
388 void file_free(struct smb_request *req, files_struct *fsp);
389 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
390 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
391 uint64_t persistent_id,
392 uint64_t volatile_id);
393 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
394 uint64_t persistent_id,
395 uint64_t volatile_id);
396 NTSTATUS dup_file_fsp(
397 files_struct *from,
398 uint32_t access_mask,
399 files_struct *to);
400 NTSTATUS file_name_hash(connection_struct *conn,
401 const char *name, uint32_t *p_name_hash);
402 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
403 const struct smb_filename *smb_fname_in);
404 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
405 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
406 bool fsp_is_alternate_stream(const struct files_struct *fsp);
407 struct files_struct *metadata_fsp(struct files_struct *fsp);
408 bool fsp_search_ask_sharemode(struct files_struct *fsp);
409 bool fsp_getinfo_ask_sharemode(struct files_struct *fsp);
410
411 NTSTATUS create_internal_fsp(connection_struct *conn,
412 const struct smb_filename *smb_fname,
413 struct files_struct **_fsp);
414 NTSTATUS create_internal_dirfsp(connection_struct *conn,
415 const struct smb_filename *smb_dname,
416 struct files_struct **_fsp);
417
418 NTSTATUS open_internal_dirfsp(connection_struct *conn,
419 const struct smb_filename *smb_dname,
420 int open_flags,
421 struct files_struct **_fsp);
422 NTSTATUS openat_internal_dir_from_pathref(
423 struct files_struct *dirfsp,
424 int open_flags,
425 struct files_struct **_fsp);
426
427 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
428 struct smb_filename *smb_fname);
429 NTSTATUS open_stream_pathref_fsp(
430 struct files_struct **_base_fsp,
431 struct smb_filename *smb_fname);
432
433 struct symlink_reparse_struct;
434
435 struct open_symlink_err {
436 struct stat_ex st;
437 size_t unparsed;
438 struct symlink_reparse_struct *reparse;
439 };
440
441 NTSTATUS openat_pathref_fsp_nosymlink(TALLOC_CTX *mem_ctx,
442 struct connection_struct *conn,
443 struct files_struct *dirfsp,
444 const char *path_in,
445 NTTIME twrp,
446 bool posix,
447 struct smb_filename **_smb_fname,
448 struct open_symlink_err **_symlink_err);
449 NTSTATUS readlink_talloc(
450 TALLOC_CTX *mem_ctx,
451 struct files_struct *dirfsp,
452 struct smb_filename *smb_relname,
453 char **_substitute);
454
455 struct symlink_reparse_struct;
456
457 NTSTATUS read_symlink_reparse(
458 TALLOC_CTX *mem_ctx,
459 struct files_struct *dirfsp,
460 struct smb_filename *smb_relname,
461 struct symlink_reparse_struct **_symlink);
462
463 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
464
465 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
466 struct smb_filename *smb_fname_src);
467
468 NTSTATUS reference_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
469 const struct smb_filename *smb_fname_src);
470
471 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
472 struct files_struct *dirfsp,
473 const char *base_name,
474 const char *stream_name,
475 const SMB_STRUCT_STAT *psbuf,
476 NTTIME twrp,
477 uint32_t flags,
478 struct smb_filename **_smb_fname);
479
480 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
481 struct files_struct *dirfsp,
482 const struct smb_filename *smb_fname,
483 struct smb_filename **_parent,
484 struct smb_filename **_atname);
485
486 /* The following definitions come from smbd/smb2_ipc.c */
487
488 NTSTATUS nt_status_np_pipe(NTSTATUS status);
489
490 /* The following definitions come from smbd/mangle.c */
491
492 void mangle_reset_cache(void);
493 void mangle_change_to_posix(void);
494 bool mangle_is_mangled(const char *s, const struct share_params *p);
495 bool mangle_is_8_3(const char *fname, bool check_case,
496 const struct share_params *p);
497 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
498 const struct share_params *p);
499 bool mangle_must_mangle(const char *fname,
500 const struct share_params *p);
501 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
502 const char *in,
503 char **out, /* talloced on the given context. */
504 const struct share_params *p);
505 bool name_to_8_3(const char *in,
506 char out[13],
507 bool cache83,
508 const struct share_params *p);
509
510 /* The following definitions come from smbd/mangle_hash.c */
511
512 const struct mangle_fns *mangle_hash_init(void);
513
514 /* The following definitions come from smbd/mangle_hash2.c */
515
516 const struct mangle_fns *mangle_hash2_init(void);
517 const struct mangle_fns *posix_mangle_init(void);
518
519 /* The following definitions come from smbd/msdfs.c */
520
521 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
522 bool shuffle_referrals,
523 const char *target,
524 struct referral **preflist,
525 size_t *refcount);
526 bool is_msdfs_link(struct files_struct *dirfsp,
527 struct smb_filename *smb_fname);
528 struct junction_map;
529 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
530 struct auth_session_info *session_info,
531 const char *dfs_path,
532 const struct tsocket_address *remote_address,
533 const struct tsocket_address *local_address,
534 struct junction_map *jucn,
535 size_t *consumedcntp,
536 bool *self_referralp);
537 int setup_dfs_referral(connection_struct *orig_conn,
538 const char *dfs_path,
539 int max_referral_level,
540 char **ppdata, NTSTATUS *pstatus);
541 bool create_junction(TALLOC_CTX *ctx,
542 const char *dfs_path,
543 struct junction_map *jucn);
544 struct referral;
545 char *msdfs_link_string(TALLOC_CTX *ctx,
546 const struct referral *reflist,
547 size_t referral_count);
548 bool create_msdfs_link(const struct junction_map *jucn,
549 struct auth_session_info *session_info);
550 bool remove_msdfs_link(const struct junction_map *jucn,
551 struct auth_session_info *session_info);
552
553 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
554 struct auth_session_info *session_info,
555 size_t *p_num_jn);
556 struct connection_struct;
557 struct smb_filename;
558
559 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
560 struct tevent_context *ev,
561 struct messaging_context *msg,
562 const struct auth_session_info *session_info,
563 int snum,
564 const char *path,
565 struct connection_struct **c);
566 struct conn_struct_tos {
567 struct connection_struct *conn;
568 struct smb_filename *oldcwd_fname;
569 };
570 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
571 int snum,
572 const char *path,
573 const struct auth_session_info *session_info,
574 struct conn_struct_tos **_c);
575 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
576 int snum,
577 const char *path,
578 const struct auth_session_info *session_info,
579 struct conn_struct_tos **_c);
580
581 /* The following definitions come from smbd/notify.c */
582
583 bool change_notify_fsp_has_changes(struct files_struct *fsp);
584 void change_notify_reply(struct smb_request *req,
585 NTSTATUS error_code,
586 uint32_t max_param,
587 struct notify_change_buf *notify_buf,
588 void (*reply_fn)(struct smb_request *req,
589 NTSTATUS error_code,
590 uint8_t *buf, size_t len));
591 void notify_callback(struct smbd_server_connection *sconn,
592 void *private_data, struct timespec when,
593 const struct notify_event *e);
594 NTSTATUS change_notify_create(struct files_struct *fsp,
595 uint32_t max_buffer_size,
596 uint32_t filter,
597 bool recursive);
598 NTSTATUS change_notify_add_request(struct smb_request *req,
599 uint32_t max_param,
600 uint32_t filter, bool recursive,
601 struct files_struct *fsp,
602 void (*reply_fn)(struct smb_request *req,
603 NTSTATUS error_code,
604 uint8_t *buf, size_t len));
605 void smbd_notify_cancel_deleted(struct messaging_context *msg,
606 void *private_data, uint32_t msg_type,
607 struct server_id server_id, DATA_BLOB *data);
608 void smbd_notifyd_restarted(struct messaging_context *msg,
609 void *private_data, uint32_t msg_type,
610 struct server_id server_id, DATA_BLOB *data);
611 bool remove_pending_change_notify_requests_by_mid(
612 struct smbd_server_connection *sconn, uint64_t mid);
613 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
614 NTSTATUS status);
615 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
616 const char *path);
617 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
618 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
619 struct tevent_context *ev);
620
621 /* The following definitions come from smbd/notify_inotify.c */
622
623 int inotify_watch(TALLOC_CTX *mem_ctx,
624 struct sys_notify_context *ctx,
625 const char *path,
626 uint32_t *filter,
627 uint32_t *subdir_filter,
628 void (*callback)(struct sys_notify_context *ctx,
629 void *private_data,
630 struct notify_event *ev,
631 uint32_t filter),
632 void *private_data,
633 void *handle_p);
634
635 int fam_watch(TALLOC_CTX *mem_ctx,
636 struct sys_notify_context *ctx,
637 const char *path,
638 uint32_t *filter,
639 uint32_t *subdir_filter,
640 void (*callback)(struct sys_notify_context *ctx,
641 void *private_data,
642 struct notify_event *ev,
643 uint32_t filter),
644 void *private_data,
645 void *handle_p);
646
647
648 /* The following definitions come from smbd/notify_internal.c */
649
650 struct notify_context *notify_init(
651 TALLOC_CTX *mem_ctx, struct messaging_context *msg,
652 struct smbd_server_connection *sconn,
653 void (*callback)(struct smbd_server_connection *sconn,
654 void *, struct timespec,
655 const struct notify_event *));
656 NTSTATUS notify_add(struct notify_context *ctx,
657 const char *path, uint32_t filter, uint32_t subdir_filter,
658 void *private_data);
659 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
660 char *path);
661 void notify_trigger(struct notify_context *notify,
662 uint32_t action, uint32_t filter,
663 const char *dir, const char *path);
664
665 /* The following definitions come from smbd/ntquotas.c */
666
667 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
668 struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
669 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
670 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
671 void *init_quota_handle(TALLOC_CTX *mem_ctx);
672
673 /* The following definitions come from smbd/smb2_nttrans.c */
674
675 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
676 uint32_t security_info_sent);
677 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
678 uint32_t security_info_sent);
679 NTSTATUS copy_internals(TALLOC_CTX *ctx,
680 connection_struct *conn,
681 struct smb_request *req,
682 struct files_struct *src_dirfsp,
683 struct smb_filename *smb_fname_src,
684 struct files_struct *dst_dirfsp,
685 struct smb_filename *smb_fname_dst,
686 uint32_t attrs);
687 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
688 TALLOC_CTX *mem_ctx,
689 files_struct *fsp,
690 uint32_t security_info_wanted,
691 uint32_t max_data_count,
692 uint8_t **ppmarshalled_sd,
693 size_t *psd_size);
694 #ifdef HAVE_SYS_QUOTAS
695
696 struct smb2_query_quota_info;
697
698 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
699 files_struct *fsp,
700 bool restart_scan,
701 bool return_single,
702 uint32_t sid_list_length,
703 DATA_BLOB *sidbuffer,
704 uint32_t max_data_count,
705 uint8_t **p_data,
706 uint32_t *p_data_size);
707 #endif
708
709 /* The following definitions come from smbd/open.c */
710
711 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
712 struct files_struct *fsp,
713 bool use_privs,
714 uint32_t access_mask);
715 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
716 uint32_t access_mask);
717 NTSTATUS fd_openat(const struct files_struct *dirfsp,
718 struct smb_filename *smb_fname,
719 files_struct *fsp,
720 const struct vfs_open_how *how);
721 NTSTATUS fd_close(files_struct *fsp);
722 bool is_oplock_stat_open(uint32_t access_mask);
723 bool is_lease_stat_open(uint32_t access_mask);
724 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
725 const struct file_id *id,
726 const struct share_mode_entry *exclusive,
727 uint16_t break_to);
728 struct deferred_open_record;
729 bool is_deferred_open_async(const struct deferred_open_record *rec);
730 bool defer_smb1_sharing_violation(struct smb_request *req);
731 NTSTATUS create_directory(connection_struct *conn,
732 struct smb_request *req,
733 struct files_struct *dirfsp,
734 struct smb_filename *smb_dname);
735 void msg_file_was_renamed(struct messaging_context *msg,
736 void *private_data,
737 uint32_t msg_type,
738 struct server_id server_id,
739 DATA_BLOB *data);
740 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
741 const struct smb2_lease_key *key,
742 uint32_t current_state,
743 uint16_t lease_version,
744 uint16_t lease_epoch);
745 NTSTATUS create_file_default(connection_struct *conn,
746 struct smb_request *req,
747 struct files_struct *dirfsp,
748 struct smb_filename * smb_fname,
749 uint32_t access_mask,
750 uint32_t share_access,
751 uint32_t create_disposition,
752 uint32_t create_options,
753 uint32_t file_attributes,
754 uint32_t oplock_request,
755 const struct smb2_lease *lease,
756 uint64_t allocation_size,
757 uint32_t private_flags,
758 struct security_descriptor *sd,
759 struct ea_list *ea_list,
760 files_struct **result,
761 int *pinfo,
762 const struct smb2_create_blobs *in_context_blobs,
763 struct smb2_create_blobs *out_context_blobs);
764
765 /* The following definitions come from smbd/oplock.c */
766
767 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
768
769 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
770 NTSTATUS set_file_oplock(files_struct *fsp);
771 void release_file_oplock(files_struct *fsp);
772 bool remove_oplock(files_struct *fsp);
773 bool downgrade_oplock(files_struct *fsp);
774 bool fsp_lease_update(struct files_struct *fsp);
775 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
776 uint32_t num_file_ids,
777 const struct file_id *ids,
778 const struct smb2_lease_key *key,
779 uint32_t lease_state);
780 void contend_level2_oplocks_begin(files_struct *fsp,
781 enum level2_contention_type type);
782 void contend_level2_oplocks_end(files_struct *fsp,
783 enum level2_contention_type type);
784 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
785 enum level2_contention_type type);
786 void smbd_contend_level2_oplocks_end(files_struct *fsp,
787 enum level2_contention_type type);
788 void share_mode_entry_to_message(char *msg, const struct file_id *id,
789 const struct share_mode_entry *e);
790 void message_to_share_mode_entry(struct file_id *id,
791 struct share_mode_entry *e,
792 const char *msg);
793 bool init_oplocks(struct smbd_server_connection *sconn);
794 void init_kernel_oplocks(struct smbd_server_connection *sconn);
795
796 /* The following definitions come from smbd/oplock_linux.c */
797
798 int linux_set_lease_sighandler(int fd);
799 int linux_setlease(int fd, int leasetype);
800 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
801
802 /* The following definitions come from smbd/password.c */
803
804 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
805 int register_homes_share(const char *username);
806
807 /* The following definitions come from smbd/pipes.c */
808
809 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
810 struct files_struct **pfsp);
811
812 /* The following definitions come from smbd/posix_acls.c */
813
814 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
815 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
816 uint32_t map_canon_ace_perms(int snum,
817 enum security_ace_type *pacl_type,
818 mode_t perms,
819 bool directory_ace);
820 bool current_user_in_group(connection_struct *conn, gid_t gid);
821 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
822 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
823 TALLOC_CTX *mem_ctx,
824 struct security_descriptor **ppdesc);
825 NTSTATUS chown_if_needed(files_struct *fsp, uint32_t security_info_sent,
826 const struct security_descriptor *psd,
827 bool *did_chown);
828 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
829 int get_acl_group_bits(connection_struct *conn,
830 struct files_struct *fsp,
831 mode_t *mode);
832 int inherit_access_posix_acl(connection_struct *conn,
833 struct files_struct *inherit_from_dirfsp,
834 const struct smb_filename *smb_fname,
835 mode_t mode);
836 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
837 files_struct *fsp,
838 uint16_t num_def_acls, const char *pdata);
839 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
840 uint16_t num_acls,
841 const char *pdata);
842 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
843 const struct smb_filename *smb_fname,
844 TALLOC_CTX *mem_ctx,
845 char **blob_description,
846 DATA_BLOB *blob);
847 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
848 files_struct *fsp,
849 TALLOC_CTX *mem_ctx,
850 char **blob_description,
851 DATA_BLOB *blob);
852
853 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
854
855 const struct enum_list *get_default_acl_style_list(void);
856
857 NTSTATUS make_default_filesystem_acl(
858 TALLOC_CTX *ctx,
859 enum default_acl_style acl_style,
860 const char *name,
861 const SMB_STRUCT_STAT *psbuf,
862 struct security_descriptor **ppdesc);
863
864 /* The following definitions come from smbd/smb2_process.c */
865
866 #if !defined(WITH_SMB1SERVER)
867 bool smb1_srv_send(struct smbXsrv_connection *xconn,
868 char *buffer,
869 bool do_signing,
870 uint32_t seqnum,
871 bool do_encrypt);
872 #endif
873 size_t srv_smb1_set_message(char *buf,
874 size_t num_words,
875 size_t num_bytes,
876 bool zero);
877 NTSTATUS read_packet_remainder(int fd, char *buffer,
878 unsigned int timeout, ssize_t len);
879 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
880 struct smbXsrv_connection *xconn,
881 int sock,
882 char **buffer, unsigned int timeout,
883 size_t *p_unread, bool *p_encrypted,
884 size_t *p_len,
885 uint32_t *seqnum,
886 bool trusted_channel);
887 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
888 uint64_t mid);
889 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
890 uint64_t mid);
891 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
892 bool get_deferred_open_message_state(struct smb_request *smbreq,
893 struct timeval *p_request_time,
894 struct deferred_open_record **open_rec);
895 bool push_deferred_open_message_smb(struct smb_request *req,
896 struct timeval timeout,
897 struct file_id id,
898 struct deferred_open_record *open_rec);
899 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
900 const uint8_t *inbuf, char **outbuf,
901 uint8_t num_words, uint32_t num_bytes);
902 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
903 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
904 void process_smb(struct smbXsrv_connection *xconn,
905 uint8_t *inbuf,
906 size_t nread,
907 size_t unread_bytes,
908 uint32_t seqnum,
909 bool encrypted);
910 void smbd_process(struct tevent_context *ev_ctx,
911 struct messaging_context *msg_ctx,
912 int sock_fd,
913 bool interactive);
914 bool valid_smb1_header(const uint8_t *inbuf);
915 bool init_smb1_request(struct smb_request *req,
916 struct smbd_server_connection *sconn,
917 struct smbXsrv_connection *xconn,
918 const uint8_t *inbuf,
919 size_t unread_bytes, bool encrypted,
920 uint32_t seqnum);
921
922 /* The following definitions come from smbd/quotas.c */
923
924 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
925 uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
926
927 /* The following definitions come from smbd/smb2_reply.c */
928
929 NTSTATUS check_path_syntax(char *path, bool posix);
930 NTSTATUS smb1_strip_dfs_path(TALLOC_CTX *mem_ctx,
931 uint32_t *ucf_flags,
932 char **in_path);
933 NTSTATUS smb2_strip_dfs_path(const char *in_path, const char **out_path);
934 size_t srvstr_get_path(TALLOC_CTX *ctx,
935 const char *inbuf,
936 uint16_t smb_flags2,
937 char **pp_dest,
938 const char *src,
939 size_t src_len,
940 int flags,
941 NTSTATUS *err);
942 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
943 const char *inbuf,
944 uint16_t smb_flags2,
945 char **pp_dest,
946 const char *src,
947 size_t src_len,
948 int flags,
949 NTSTATUS *err);
950 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
951 char **pp_dest, const char *src, int flags,
952 NTSTATUS *err);
953 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
954 char **dest, const uint8_t *src, int flags);
955 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
956 files_struct *fsp);
957 bool check_fsp(connection_struct *conn, struct smb_request *req,
958 files_struct *fsp);
959 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
960 files_struct *fsp);
961 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
962 NTSTATUS unlink_internals(connection_struct *conn,
963 struct smb_request *req,
964 uint32_t dirtype,
965 struct files_struct *dirfsp,
966 struct smb_filename *smb_fname);
967 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
968 off_t startpos, size_t nread);
969 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
970 files_struct *fsp,
971 ssize_t nread,
972 size_t headersize,
973 size_t smb_maxcnt);
974 NTSTATUS rename_internals_fsp(connection_struct *conn,
975 files_struct *fsp,
976 struct smb_filename *smb_fname_dst_in,
977 const char *dst_original_lcomp,
978 uint32_t attrs,
979 bool replace_if_exists);
980 NTSTATUS rename_internals(TALLOC_CTX *ctx,
981 connection_struct *conn,
982 struct smb_request *req,
983 struct files_struct *src_dirfsp,
984 struct smb_filename *smb_fname_src,
985 struct smb_filename *smb_fname_dst,
986 const char *dst_original_lcomp,
987 uint32_t attrs,
988 bool replace_if_exists,
989 uint32_t access_mask);
990 NTSTATUS copy_file(TALLOC_CTX *ctx,
991 connection_struct *conn,
992 struct smb_filename *smb_fname_src,
993 struct smb_filename *smb_fname_dst,
994 uint32_t new_create_disposition);
995 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
996 bool large_file_format);
997
998 /* The following definitions come from smbd/seal.c */
999
1000 bool is_encrypted_packet(const uint8_t *inbuf);
1001 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1002 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1003 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1004 char **buf_out);
1005 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1006 unsigned char **ppdata,
1007 size_t *p_data_size,
1008 unsigned char **pparam,
1009 size_t *p_param_size);
1010 NTSTATUS srv_encryption_start(connection_struct *conn);
1011 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1012
1013 /* The following definitions come from smbd/sec_ctx.c */
1014
1015 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1016 bool push_sec_ctx(void);
1017 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1018 void set_root_sec_ctx(void);
1019 bool pop_sec_ctx(void);
1020 void init_sec_ctx(void);
1021 const struct security_token *sec_ctx_active_token(void);
1022
1023 /* The following definitions come from smbd/server.c */
1024
1025 struct memcache *smbd_memcache(void);
1026 bool snum_is_shared_printer(int snum);
1027 void delete_and_reload_printers(void);
1028 bool reload_services(struct smbd_server_connection *sconn,
1029 bool (*snumused) (struct smbd_server_connection *, int),
1030 bool test);
1031
1032 /* The following definitions come from smbd/server_exit.c */
1033
1034 void smbd_exit_server(const char *reason) _NORETURN_;
1035 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1036
1037 /* The following definitions come from smbd/smb2_service.c */
1038
1039 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1040 bool canonicalize_connect_path(connection_struct *conn);
1041 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1042 bool chdir_current_service(connection_struct *conn);
1043 void load_registry_shares(void);
1044 int add_home_service(const char *service, const char *username, const char *homedir);
1045 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1046 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1047 struct smbXsrv_tcon *tcon,
1048 int snum,
1049 const char *pdev,
1050 NTSTATUS *pstatus);
1051 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1052 connection_struct *conn,
1053 int snum,
1054 struct smbXsrv_session *session,
1055 const char *pdev);
1056 void close_cnum(connection_struct *conn,
1057 uint64_t vuid,
1058 enum file_close_type close_type);
1059
1060 /* The following definitions come from smbd/session.c */
1061 struct sessionid;
1062 struct smbXsrv_session;
1063 bool session_init(void);
1064 bool session_claim(struct smbXsrv_session *session);
1065 void session_yield(struct smbXsrv_session *session);
1066 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1067 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1068 const char *machine, struct sessionid **session_list);
1069
1070 /* The following definitions come from smbd/share_access.c */
1071
1072 bool token_contains_name_in_list(const char *username,
1073 const char *domain,
1074 const char *sharename,
1075 const struct security_token *token,
1076 const char **list);
1077 bool user_ok_token(const char *username, const char *domain,
1078 const struct security_token *token, int snum);
1079 bool is_share_read_only_for_token(const char *username,
1080 const char *domain,
1081 const struct security_token *token,
1082 connection_struct *conn);
1083
1084 /* The following definitions come from smbd/srvstr.c */
1085
1086 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1087 const char *src, int dest_len, int flags, size_t *ret_len);
1088
1089 /* The following definitions come from smbd/statvfs.c */
1090
1091 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1092
1093 /* The following definitions come from smbd/trans2.c */
1094
1095 char *store_file_unix_basic(connection_struct *conn,
1096 char *pdata,
1097 files_struct *fsp,
1098 const SMB_STRUCT_STAT *psbuf);
1099 char *store_file_unix_basic_info2(connection_struct *conn,
1100 char *pdata,
1101 files_struct *fsp,
1102 const SMB_STRUCT_STAT *psbuf);
1103 NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
1104 const char *pdata,
1105 int total_data,
1106 files_struct *fsp,
1107 struct smb_filename *smb_fname);
1108 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1109 NTSTATUS check_access_fsp(struct files_struct *fsp,
1110 uint32_t access_mask);
1111 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1112 bool samba_private_attr_name(const char *unix_ea_name);
1113 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1114 files_struct *fsp,
1115 const char *ea_name,
1116 struct ea_struct *pea);
1117 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1118 files_struct *fsp,
1119 char ***pnames,
1120 size_t *pnum_names);
1121 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1122 struct ea_list *ea_list);
1123 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1124 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1125 connection_struct *conn,
1126 struct smb_request *req,
1127 bool overwrite_if_exists,
1128 const struct smb_filename *smb_fname_old,
1129 struct smb_filename *smb_fname_new);
1130 NTSTATUS smb_set_file_time(connection_struct *conn,
1131 files_struct *fsp,
1132 struct smb_filename *smb_fname,
1133 struct smb_file_time *ft,
1134 bool setting_write_time);
1135 NTSTATUS smb_set_file_size(connection_struct *conn,
1136 struct smb_request *req,
1137 files_struct *fsp,
1138 struct smb_filename *smb_fname,
1139 const SMB_STRUCT_STAT *psbuf,
1140 off_t size,
1141 bool fail_after_createfile);
1142
1143 bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
1144 const uint32_t smb_fflags,
1145 const uint32_t smb_fmask,
1146 int *stat_fflags);
1147
1148 enum perm_type {
1149 PERM_NEW_FILE,
1150 PERM_NEW_DIR,
1151 PERM_EXISTING_FILE,
1152 PERM_EXISTING_DIR
1153 };
1154
1155 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1156 const SMB_STRUCT_STAT *psbuf,
1157 uint32_t perms,
1158 enum perm_type ptype,
1159 mode_t *ret_perms);
1160 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1161 size_t data_size);
1162 unsigned int estimate_ea_size(files_struct *fsp);
1163 NTSTATUS smb_set_fsquota(connection_struct *conn,
1164 struct smb_request *req,
1165 files_struct *fsp,
1166 const DATA_BLOB *qdata);
1167
1168 /* The following definitions come from smbd/uid.c */
1169
1170 bool change_to_guest(void);
1171 NTSTATUS check_user_share_access(connection_struct *conn,
1172 const struct auth_session_info *session_info,
1173 uint32_t *p_share_access,
1174 bool *p_readonly_share);
1175 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1176 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1177 bool smbd_change_to_root_user(void);
1178 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1179 bool smbd_unbecome_authenticated_pipe_user(void);
1180 void become_root(void);
1181 void unbecome_root(void);
1182 void smbd_become_root(void);
1183 void smbd_unbecome_root(void);
1184 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1185 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1186 bool become_user_without_service_by_session(connection_struct *conn,
1187 const struct auth_session_info *session_info);
1188 bool unbecome_user_without_service(void);
1189 uid_t get_current_uid(connection_struct *conn);
1190 gid_t get_current_gid(connection_struct *conn);
1191 const struct security_unix_token *get_current_utok(connection_struct *conn);
1192 const struct security_token *get_current_nttok(connection_struct *conn);
1193
1194 /* The following definitions come from smbd/utmp.c */
1195
1196 void sys_utmp_claim(const char *username, const char *hostname,
1197 const char *id_str, int id_num);
1198 void sys_utmp_yield(const char *username, const char *hostname,
1199 const char *id_str, int id_num);
1200
1201 /* The following definitions come from smbd/vfs.c */
1202
1203 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1204 bool smbd_vfs_init(connection_struct *conn);
1205 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1206 bool vfs_valid_pread_range(off_t offset, size_t length);
1207 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1208 ssize_t vfs_pwrite_data(struct smb_request *req,
1209 files_struct *fsp,
1210 const char *buffer,
1211 size_t N,
1212 off_t offset);
1213 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1214 int vfs_set_filelen(files_struct *fsp, off_t len);
1215 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1216 int vfs_fill_sparse(files_struct *fsp, off_t len);
1217 int vfs_set_blocking(files_struct *fsp, bool set);
1218 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1219 const char *vfs_readdirname(connection_struct *conn,
1220 struct files_struct *dirfsp,
1221 void *p,
1222 char **talloced);
1223 int vfs_ChDir(connection_struct *conn,
1224 const struct smb_filename *smb_fname);
1225 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1226 int vfs_stat(struct connection_struct *conn,
1227 struct smb_filename *smb_fname);
1228 int vfs_stat_smb_basename(struct connection_struct *conn,
1229 const struct smb_filename *smb_fname_in,
1230 SMB_STRUCT_STAT *psbuf);
1231 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1232 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1233 TALLOC_CTX *mem_ctx,
1234 unsigned int *num_streams,
1235 struct stream_struct **streams);
1236 void init_smb_file_time(struct smb_file_time *ft);
1237 int vfs_fake_fd(void);
1238 int vfs_fake_fd_close(int fd);
1239
1240 /* The following definitions come from smbd/avahi_register.c */
1241
1242 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1243 uint16_t port);
1244
1245 /* The following definitions come from smbd/smb2_create.c */
1246
1247 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1248 TALLOC_CTX *mem_ctx,
1249 DATA_BLOB *cookie_blob);
1250 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1251 const DATA_BLOB old_cookie,
1252 TALLOC_CTX *mem_ctx,
1253 DATA_BLOB *new_cookie);
1254 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1255 struct smb_request *smb1req,
1256 struct smbXsrv_open *op,
1257 const DATA_BLOB old_cookie,
1258 TALLOC_CTX *mem_ctx,
1259 files_struct **result,
1260 DATA_BLOB *new_cookie);
1261
1262 struct smb3_file_posix_information;
1263 void smb3_file_posix_information_init(
1264 connection_struct *conn,
1265 const struct stat_ex *st,
1266 uint32_t reparse_tag,
1267 uint32_t dos_attributes,
1268 struct smb3_file_posix_information *dst);
1269
1270 #endif /* _SMBD_PROTO_H_ */
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