smbd: Move valid_smb_header to smb2_process.c
[samba.git] / source3 / smbd / proto.h
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 smb2_srv_init_signing(struct smbXsrv_connection *conn);
56 bool srv_init_signing(struct smbXsrv_connection *conn);
57
58 /* The following definitions come from smbd/aio.c  */
59
60 struct aio_extra;
61 bool aio_write_through_requested(struct aio_extra *aio_ex);
62 NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
63                                 struct smb_request *smbreq,
64                                 files_struct *fsp,
65                                 TALLOC_CTX *ctx,
66                                 DATA_BLOB *preadbuf,
67                                 off_t startpos,
68                                 size_t smb_maxcnt);
69 NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
70                                 struct smb_request *smbreq,
71                                 files_struct *fsp,
72                                 uint64_t in_offset,
73                                 DATA_BLOB in_data,
74                                 bool write_through);
75 bool cancel_smb2_aio(struct smb_request *smbreq);
76 bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
77 struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
78                                    files_struct *fsp,
79                                    size_t buflen);
80 struct tevent_req *pwrite_fsync_send(TALLOC_CTX *mem_ctx,
81                                      struct tevent_context *ev,
82                                      struct files_struct *fsp,
83                                      const void *data,
84                                      size_t n, off_t offset,
85                                      bool write_through);
86 ssize_t pwrite_fsync_recv(struct tevent_req *req, int *perr);
87
88 /* The following definitions come from smbd/blocking.c  */
89
90 NTSTATUS smbd_do_locks_try(
91         struct files_struct *fsp,
92         uint16_t num_locks,
93         struct smbd_lock_element *locks,
94         uint16_t *blocker_idx,
95         struct server_id *blocking_pid,
96         uint64_t *blocking_smblctx);
97 struct tevent_req *smbd_smb1_do_locks_send(
98         TALLOC_CTX *mem_ctx,
99         struct tevent_context *ev,
100         struct smb_request **smbreq, /* talloc_move()d into our state */
101         struct files_struct *fsp,
102         uint32_t lock_timeout,
103         bool large_offset,
104         uint16_t num_locks,
105         struct smbd_lock_element *locks);
106 NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req);
107 bool smbd_smb1_do_locks_extract_smbreq(
108         struct tevent_req *req,
109         TALLOC_CTX *mem_ctx,
110         struct smb_request **psmbreq);
111 void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status);
112 bool smbd_smb1_brl_finish_by_lock(
113         struct files_struct *fsp,
114         bool large_offset,
115         struct smbd_lock_element lock,
116         NTSTATUS finish_status);
117 bool smbd_smb1_brl_finish_by_mid(
118         struct smbd_server_connection *sconn, uint64_t mid);
119
120 /* The following definitions come from smbd/close.c  */
121
122 void set_close_write_time(struct files_struct *fsp, struct timespec ts);
123 NTSTATUS close_file_smb(struct smb_request *req,
124                         struct files_struct *fsp,
125                         enum file_close_type close_type);
126 NTSTATUS close_file_free(struct smb_request *req,
127                          struct files_struct **_fsp,
128                          enum file_close_type close_type);
129 void msg_close_file(struct messaging_context *msg_ctx,
130                     void *private_data,
131                     uint32_t msg_type,
132                     struct server_id server_id,
133                     DATA_BLOB *data);
134 NTSTATUS delete_all_streams(connection_struct *conn,
135                         const struct smb_filename *smb_fname);
136 NTSTATUS recursive_rmdir(TALLOC_CTX *ctx,
137                      connection_struct *conn,
138                      struct smb_filename *smb_dname);
139 bool has_other_nonposix_opens(struct share_mode_lock *lck,
140                               struct files_struct *fsp);
141
142 /* The following definitions come from smbd/conn.c  */
143
144 int conn_num_open(struct smbd_server_connection *sconn);
145 bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
146 connection_struct *conn_new(struct smbd_server_connection *sconn);
147 bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
148 void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid);
149 void conn_free(connection_struct *conn);
150 void conn_setup_case_options(connection_struct *conn);
151 void conn_force_tdis(
152         struct smbd_server_connection *sconn,
153         bool (*check_fn)(struct connection_struct *conn,
154                          void *private_data),
155         void *private_data);
156 void msg_force_tdis(struct messaging_context *msg,
157                     void *private_data,
158                     uint32_t msg_type,
159                     struct server_id server_id,
160                     DATA_BLOB *data);
161 void msg_force_tdis_denied(
162         struct messaging_context *msg,
163         void *private_data,
164         uint32_t msg_type,
165         struct server_id server_id,
166         DATA_BLOB *data);
167
168 /* The following definitions come from smbd/connection.c  */
169
170 int count_current_connections(const char *sharename, bool verify);
171 bool connections_snum_used(struct smbd_server_connection *unused, int snum);
172
173 /* The following definitions come from smbd/dfree.c  */
174
175 uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname,
176                         uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
177 void flush_dfree_cache(void);
178
179 /* The following definitions come from smbd/dir.c  */
180
181 bool init_dptrs(struct smbd_server_connection *sconn);
182 const char *dptr_path(struct smbd_server_connection *sconn, int key);
183 const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
184 uint16_t dptr_attr(struct smbd_server_connection *sconn, int key);
185 void dptr_closecnum(connection_struct *conn);
186 NTSTATUS dptr_create(connection_struct *conn,
187                 struct smb_request *req,
188                 files_struct *fsp,
189                 bool old_handle,
190                 bool expect_close,
191                 uint16_t spid,
192                 const char *wcard,
193                 uint32_t attr,
194                 struct dptr_struct **dptr_ret);
195 void dptr_CloseDir(files_struct *fsp);
196 void dptr_SeekDir(struct dptr_struct *dptr, long offset);
197 long dptr_TellDir(struct dptr_struct *dptr);
198 bool dptr_has_wild(struct dptr_struct *dptr);
199 int dptr_dnum(struct dptr_struct *dptr);
200 bool dptr_get_priv(struct dptr_struct *dptr);
201 void dptr_set_priv(struct dptr_struct *dptr);
202 bool dptr_case_sensitive(struct dptr_struct *dptr);
203 bool dptr_SearchDir(struct dptr_struct *dptr, const char *name, long *poffset, SMB_STRUCT_STAT *pst);
204 bool dptr_fill(struct smbd_server_connection *sconn,
205                char *buf1,unsigned int key);
206 files_struct *dptr_fetch_fsp(struct smbd_server_connection *sconn,
207                                char *buf,int *num);
208 struct smb_Dir;
209 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
210 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
211                                        int dptr_num);
212 bool get_dir_entry(TALLOC_CTX *ctx,
213                 struct dptr_struct *dirptr,
214                 const char *mask,
215                 uint32_t dirtype,
216                 char **pp_fname_out,
217                 off_t *size,
218                 uint32_t *mode,
219                 struct timespec *date,
220                 bool check_descend,
221                 bool ask_sharemode);
222 struct smb_Dir;
223 bool is_visible_fsp(files_struct *fsp);
224 NTSTATUS OpenDir(TALLOC_CTX *mem_ctx,
225                  connection_struct *conn,
226                  const struct smb_filename *smb_dname,
227                  const char *mask,
228                  uint32_t attr,
229                  struct smb_Dir **_dir_hnd);
230 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
231                         SMB_STRUCT_STAT *sbuf, char **talloced);
232 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
233 void SeekDir(struct smb_Dir *dirp, long offset);
234 long TellDir(struct smb_Dir *dirp);
235 NTSTATUS can_delete_directory(struct connection_struct *conn,
236                                 const char *dirname);
237 bool have_file_open_below(connection_struct *conn,
238                         const struct smb_filename *name);
239
240 /* The following definitions come from smbd/dmapi.c  */
241
242 const void *dmapi_get_current_session(void);
243 bool dmapi_have_session(void);
244 bool dmapi_new_session(void);
245 bool dmapi_destroy_session(void);
246 uint32_t dmapi_file_flags(const char * const path);
247
248 /* The following definitions come from smbd/dnsregister.c  */
249
250 bool smbd_setup_mdns_registration(struct tevent_context *ev,
251                                   TALLOC_CTX *mem_ctx,
252                                   uint16_t port);
253
254 /* The following definitions come from smbd/dosmode.c  */
255
256 mode_t unix_mode(connection_struct *conn, int dosmode,
257                  const struct smb_filename *smb_fname,
258                  struct files_struct *parent_dirfsp);
259 uint32_t dos_mode_msdfs(connection_struct *conn,
260                       const struct smb_filename *smb_fname);
261 uint32_t fdos_mode(struct files_struct *fsp);
262 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
263                                     struct tevent_context *ev,
264                                     files_struct *dir_fsp,
265                                     struct smb_filename *smb_fname);
266 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
267 int file_set_dosmode(connection_struct *conn,
268                      struct smb_filename *smb_fname,
269                      uint32_t dosmode,
270                      struct smb_filename *parent_dir,
271                      bool newfile);
272 NTSTATUS file_set_sparse(connection_struct *conn,
273                          struct files_struct *fsp,
274                          bool sparse);
275 int file_ntimes(connection_struct *conn,
276                 files_struct *fsp,
277                 struct smb_file_time *ft);
278 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
279 bool set_sticky_write_time_fsp(struct files_struct *fsp,
280                                struct timespec mtime);
281
282 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
283                               uint32_t *pattr);
284 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
285                               const struct smb_filename *smb_fname,
286                               uint32_t dosmode);
287
288 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
289                                 struct timespec create_time);
290
291 struct timespec get_create_timespec(connection_struct *conn,
292                                 struct files_struct *fsp,
293                                 const struct smb_filename *smb_fname);
294
295 struct timespec get_change_timespec(connection_struct *conn,
296                                 struct files_struct *fsp,
297                                 const struct smb_filename *smb_fname);
298
299 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
300                                   DATA_BLOB blob,
301                                   uint32_t *pattr);
302
303 /* The following definitions come from smbd/error.c  */
304
305 bool use_nt_status(void);
306 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
307 size_t error_packet(char *outbuf,
308                     uint8_t eclass,
309                     uint32_t ecode,
310                     NTSTATUS ntstatus,
311                     int line,
312                     const char *file);
313 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
314                     int line, const char *file);
315 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
316                     int line, const char *file);
317 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
318                       NTSTATUS status, int line, const char *file);
319 void reply_openerror(struct smb_request *req, NTSTATUS status);
320
321 /* The following definitions come from smbd/file_access.c  */
322
323 bool can_delete_file_in_directory(connection_struct *conn,
324                         struct files_struct *dirfsp,
325                         const struct smb_filename *smb_fname);
326 bool can_write_to_fsp(struct files_struct *fsp);
327 bool directory_has_default_acl_fsp(struct files_struct *fsp);
328 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
329
330 /* The following definitions come from smbd/fileio.c  */
331
332 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
333 void fsp_flush_write_time_update(struct files_struct *fsp);
334 void trigger_write_time_update(struct files_struct *fsp);
335 void trigger_write_time_update_immediate(struct files_struct *fsp);
336 void mark_file_modified(files_struct *fsp);
337 ssize_t write_file(struct smb_request *req,
338                         files_struct *fsp,
339                         const char *data,
340                         off_t pos,
341                         size_t n);
342 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
343
344 /* The following definitions come from smbd/filename.c  */
345
346 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
347 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
348 NTSTATUS unix_convert(TALLOC_CTX *ctx,
349                       connection_struct *conn,
350                       const char *orig_path,
351                       NTTIME twrp,
352                       struct smb_filename **smb_fname,
353                       uint32_t ucf_flags);
354 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
355                                     uint32_t ucf_flags,
356                                     NTTIME twrp);
357 NTSTATUS get_real_filename_full_scan(connection_struct *conn,
358                                      const char *path,
359                                      const char *name,
360                                      bool mangled,
361                                      TALLOC_CTX *mem_ctx,
362                                      char **found_name);
363 char *get_original_lcomp(TALLOC_CTX *ctx,
364                         connection_struct *conn,
365                         const char *filename_in,
366                         uint32_t ucf_flags);
367 NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
368                         connection_struct *conn,
369                         const char *name_in,
370                         uint32_t ucf_flags,
371                         NTTIME twrp,
372                         struct smb_filename **pp_smb_fname);
373 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
374                                            connection_struct *conn,
375                                            const char *name_in,
376                                            uint32_t ucf_flags,
377                                            struct smb_filename **_smb_fname_out,
378                                            char **_mask_out);
379
380 /* The following definitions come from smbd/files.c  */
381
382 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
383                  files_struct **result);
384 void fsp_set_gen_id(files_struct *fsp);
385 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
386                   files_struct **result);
387 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
388 void file_close_conn(connection_struct *conn);
389 bool file_init_global(void);
390 bool file_init(struct smbd_server_connection *sconn);
391 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
392 struct files_struct *files_forall(
393         struct smbd_server_connection *sconn,
394         struct files_struct *(*fn)(struct files_struct *fsp,
395                                    void *private_data),
396         void *private_data);
397 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
398 files_struct *file_find_dif(struct smbd_server_connection *sconn,
399                             struct file_id id, unsigned long gen_id);
400 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
401                                  struct file_id id,
402                                  bool need_fsa);
403 files_struct *file_find_di_next(files_struct *start_fsp,
404                                  bool need_fsa);
405 struct files_struct *file_find_one_fsp_from_lease_key(
406         struct smbd_server_connection *sconn,
407         const struct smb2_lease_key *lease_key);
408 bool file_find_subpath(files_struct *dir_fsp);
409 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
410 void file_free(struct smb_request *req, files_struct *fsp);
411 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
412 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
413                                   uint64_t persistent_id,
414                                   uint64_t volatile_id);
415 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
416                                    uint64_t persistent_id,
417                                    uint64_t volatile_id);
418 NTSTATUS dup_file_fsp(
419         struct smb_request *req,
420         files_struct *from,
421         uint32_t access_mask,
422         uint32_t create_options,
423         files_struct *to);
424 NTSTATUS file_name_hash(connection_struct *conn,
425                         const char *name, uint32_t *p_name_hash);
426 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
427                            const struct smb_filename *smb_fname_in);
428 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
429 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
430 bool fsp_is_alternate_stream(const struct files_struct *fsp);
431 struct files_struct *metadata_fsp(struct files_struct *fsp);
432
433 NTSTATUS create_internal_fsp(connection_struct *conn,
434                              const struct smb_filename *smb_fname,
435                              struct files_struct **_fsp);
436 NTSTATUS create_internal_dirfsp(connection_struct *conn,
437                                 const struct smb_filename *smb_dname,
438                                 struct files_struct **_fsp);
439
440 NTSTATUS open_internal_dirfsp(connection_struct *conn,
441                               const struct smb_filename *smb_dname,
442                               int open_flags,
443                               struct files_struct **_fsp);
444
445 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
446                             struct smb_filename *smb_fname);
447
448 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
449
450 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
451                                  struct smb_filename *smb_fname_src);
452
453 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
454                            struct files_struct *dirfsp,
455                            const char *base_name,
456                            const char *stream_name,
457                            const SMB_STRUCT_STAT *psbuf,
458                            NTTIME twrp,
459                            uint32_t flags,
460                            struct smb_filename **_smb_fname);
461
462 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
463                         struct files_struct *dirfsp,
464                         const struct smb_filename *smb_fname,
465                         struct smb_filename **_parent,
466                         struct smb_filename **_atname);
467
468 /* The following definitions come from smbd/smb2_ipc.c  */
469
470 NTSTATUS nt_status_np_pipe(NTSTATUS status);
471
472 /* The following definitions come from smbd/mangle.c  */
473
474 void mangle_reset_cache(void);
475 void mangle_change_to_posix(void);
476 bool mangle_is_mangled(const char *s, const struct share_params *p);
477 bool mangle_is_8_3(const char *fname, bool check_case,
478                    const struct share_params *p);
479 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
480                              const struct share_params *p);
481 bool mangle_must_mangle(const char *fname,
482                    const struct share_params *p);
483 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
484                         const char *in,
485                         char **out, /* talloced on the given context. */
486                         const struct share_params *p);
487 bool name_to_8_3(const char *in,
488                 char out[13],
489                 bool cache83,
490                 const struct share_params *p);
491
492 /* The following definitions come from smbd/mangle_hash.c  */
493
494 const struct mangle_fns *mangle_hash_init(void);
495
496 /* The following definitions come from smbd/mangle_hash2.c  */
497
498 const struct mangle_fns *mangle_hash2_init(void);
499 const struct mangle_fns *posix_mangle_init(void);
500
501 /* The following definitions come from smbd/msdfs.c  */
502
503 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
504                         bool shuffle_referrals,
505                         const char *target,
506                         struct referral **preflist,
507                         size_t *refcount);
508 bool is_msdfs_link(struct files_struct *dirfsp,
509                    struct smb_filename *smb_fname);
510 struct junction_map;
511 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
512                            struct auth_session_info *session_info,
513                            const char *dfs_path,
514                            const struct tsocket_address *remote_address,
515                            const struct tsocket_address *local_address,
516                            bool allow_broken_path,
517                            struct junction_map *jucn,
518                            int *consumedcntp,
519                            bool *self_referralp);
520 int setup_dfs_referral(connection_struct *orig_conn,
521                         const char *dfs_path,
522                         int max_referral_level,
523                         char **ppdata, NTSTATUS *pstatus);
524 bool create_junction(TALLOC_CTX *ctx,
525                 const char *dfs_path,
526                 bool allow_broken_path,
527                 struct junction_map *jucn);
528 struct referral;
529 char *msdfs_link_string(TALLOC_CTX *ctx,
530                 const struct referral *reflist,
531                 size_t referral_count);
532 bool create_msdfs_link(const struct junction_map *jucn,
533                        struct auth_session_info *session_info);
534 bool remove_msdfs_link(const struct junction_map *jucn,
535                        struct auth_session_info *session_info);
536
537 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
538                                       struct auth_session_info *session_info,
539                                       size_t *p_num_jn);
540 NTSTATUS dfs_redirect(TALLOC_CTX *ctx,
541                         connection_struct *conn,
542                         const char *name_in,
543                         uint32_t ucf_flags,
544                         bool allow_broken_path,
545                         NTTIME *twrp,
546                         char **pp_name_out);
547 struct connection_struct;
548 struct smb_filename;
549
550 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
551                                 struct tevent_context *ev,
552                                 struct messaging_context *msg,
553                                 const struct auth_session_info *session_info,
554                                 int snum,
555                                 const char *path,
556                                 struct connection_struct **c);
557 struct conn_struct_tos {
558         struct connection_struct *conn;
559         struct smb_filename *oldcwd_fname;
560 };
561 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
562                                 int snum,
563                                 const char *path,
564                                 const struct auth_session_info *session_info,
565                                 struct conn_struct_tos **_c);
566 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
567                                     int snum,
568                                     const char *path,
569                                     const struct auth_session_info *session_info,
570                                     struct conn_struct_tos **_c);
571
572 /* The following definitions come from smbd/notify.c  */
573
574 bool change_notify_fsp_has_changes(struct files_struct *fsp);
575 void change_notify_reply(struct smb_request *req,
576                          NTSTATUS error_code,
577                          uint32_t max_param,
578                          struct notify_change_buf *notify_buf,
579                          void (*reply_fn)(struct smb_request *req,
580                                           NTSTATUS error_code,
581                                           uint8_t *buf, size_t len));
582 void notify_callback(struct smbd_server_connection *sconn,
583                      void *private_data, struct timespec when,
584                      const struct notify_event *e);
585 NTSTATUS change_notify_create(struct files_struct *fsp,
586                               uint32_t max_buffer_size,
587                               uint32_t filter,
588                               bool recursive);
589 NTSTATUS change_notify_add_request(struct smb_request *req,
590                                 uint32_t max_param,
591                                 uint32_t filter, bool recursive,
592                                 struct files_struct *fsp,
593                                 void (*reply_fn)(struct smb_request *req,
594                                         NTSTATUS error_code,
595                                         uint8_t *buf, size_t len));
596 void smbd_notify_cancel_deleted(struct messaging_context *msg,
597                                 void *private_data, uint32_t msg_type,
598                                 struct server_id server_id, DATA_BLOB *data);
599 void smbd_notifyd_restarted(struct messaging_context *msg,
600                             void *private_data, uint32_t msg_type,
601                             struct server_id server_id, DATA_BLOB *data);
602 bool remove_pending_change_notify_requests_by_mid(
603         struct smbd_server_connection *sconn, uint64_t mid);
604 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
605                                                   NTSTATUS status);
606 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
607                   const char *path);
608 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
609 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
610                                                      struct tevent_context *ev);
611
612 /* The following definitions come from smbd/notify_inotify.c  */
613
614 int inotify_watch(TALLOC_CTX *mem_ctx,
615                   struct sys_notify_context *ctx,
616                   const char *path,
617                   uint32_t *filter,
618                   uint32_t *subdir_filter,
619                   void (*callback)(struct sys_notify_context *ctx,
620                                    void *private_data,
621                                    struct notify_event *ev,
622                                    uint32_t filter),
623                   void *private_data,
624                   void *handle_p);
625
626 int fam_watch(TALLOC_CTX *mem_ctx,
627               struct sys_notify_context *ctx,
628               const char *path,
629               uint32_t *filter,
630               uint32_t *subdir_filter,
631               void (*callback)(struct sys_notify_context *ctx,
632                                void *private_data,
633                                struct notify_event *ev,
634                                uint32_t filter),
635               void *private_data,
636               void *handle_p);
637
638
639 /* The following definitions come from smbd/notify_internal.c  */
640
641 struct notify_context *notify_init(
642         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
643         struct smbd_server_connection *sconn,
644         void (*callback)(struct smbd_server_connection *sconn,
645                          void *, struct timespec,
646                          const struct notify_event *));
647 NTSTATUS notify_add(struct notify_context *ctx,
648                     const char *path, uint32_t filter, uint32_t subdir_filter,
649                     void *private_data);
650 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
651                        char *path);
652 void notify_trigger(struct notify_context *notify,
653                     uint32_t action, uint32_t filter,
654                     const char *dir, const char *path);
655
656 /* The following definitions come from smbd/ntquotas.c  */
657
658 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
659                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
660 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
661 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
662 void *init_quota_handle(TALLOC_CTX *mem_ctx);
663
664 /* The following definitions come from smbd/smb2_nttrans.c  */
665
666 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
667                        uint32_t security_info_sent);
668 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
669                        uint32_t security_info_sent);
670 NTSTATUS copy_internals(TALLOC_CTX *ctx,
671                         connection_struct *conn,
672                         struct smb_request *req,
673                         struct smb_filename *smb_fname_src,
674                         struct smb_filename *smb_fname_dst,
675                         uint32_t attrs);
676 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
677                                         TALLOC_CTX *mem_ctx,
678                                         files_struct *fsp,
679                                         uint32_t security_info_wanted,
680                                         uint32_t max_data_count,
681                                         uint8_t **ppmarshalled_sd,
682                                         size_t *psd_size);
683 #ifdef HAVE_SYS_QUOTAS
684
685 struct smb2_query_quota_info;
686
687 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
688                                      files_struct *fsp,
689                                      bool restart_scan,
690                                      bool return_single,
691                                      uint32_t sid_list_length,
692                                      DATA_BLOB *sidbuffer,
693                                      uint32_t max_data_count,
694                                      uint8_t **p_data,
695                                      uint32_t *p_data_size);
696 #endif
697
698 /* The following definitions come from smbd/open.c  */
699
700 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
701                                       struct files_struct *fsp,
702                                       bool use_privs,
703                                       uint32_t access_mask);
704 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
705                                 uint32_t access_mask);
706 NTSTATUS fd_openat(const struct files_struct *dirfsp,
707                    struct smb_filename *smb_fname,
708                    files_struct *fsp,
709                    int flags, mode_t mode);
710 NTSTATUS fd_close(files_struct *fsp);
711 bool is_oplock_stat_open(uint32_t access_mask);
712 bool is_lease_stat_open(uint32_t access_mask);
713 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
714                             const struct file_id *id,
715                             const struct share_mode_entry *exclusive,
716                             uint16_t break_to);
717 struct deferred_open_record;
718 bool is_deferred_open_async(const struct deferred_open_record *rec);
719 bool defer_smb1_sharing_violation(struct smb_request *req);
720 NTSTATUS create_directory(connection_struct *conn, struct smb_request *req,
721                           struct smb_filename *smb_dname);
722 void msg_file_was_renamed(struct messaging_context *msg,
723                           void *private_data,
724                           uint32_t msg_type,
725                           struct server_id server_id,
726                           DATA_BLOB *data);
727 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
728                                  const struct smb2_lease_key *key,
729                                  uint32_t current_state,
730                                  uint16_t lease_version,
731                                  uint16_t lease_epoch);
732 NTSTATUS create_file_default(connection_struct *conn,
733                              struct smb_request *req,
734                              struct smb_filename * smb_fname,
735                              uint32_t access_mask,
736                              uint32_t share_access,
737                              uint32_t create_disposition,
738                              uint32_t create_options,
739                              uint32_t file_attributes,
740                              uint32_t oplock_request,
741                              const struct smb2_lease *lease,
742                              uint64_t allocation_size,
743                              uint32_t private_flags,
744                              struct security_descriptor *sd,
745                              struct ea_list *ea_list,
746                              files_struct **result,
747                              int *pinfo,
748                              const struct smb2_create_blobs *in_context_blobs,
749                              struct smb2_create_blobs *out_context_blobs);
750
751 /* The following definitions come from smbd/oplock.c  */
752
753 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
754
755 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
756 NTSTATUS set_file_oplock(files_struct *fsp);
757 bool remove_oplock(files_struct *fsp);
758 bool downgrade_oplock(files_struct *fsp);
759 bool fsp_lease_update(struct files_struct *fsp);
760 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
761                         uint32_t num_file_ids,
762                         const struct file_id *ids,
763                         const struct smb2_lease_key *key,
764                         uint32_t lease_state);
765 void contend_level2_oplocks_begin(files_struct *fsp,
766                                   enum level2_contention_type type);
767 void contend_level2_oplocks_end(files_struct *fsp,
768                                 enum level2_contention_type type);
769 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
770                                   enum level2_contention_type type);
771 void smbd_contend_level2_oplocks_end(files_struct *fsp,
772                                 enum level2_contention_type type);
773 void share_mode_entry_to_message(char *msg, const struct file_id *id,
774                                  const struct share_mode_entry *e);
775 void message_to_share_mode_entry(struct file_id *id,
776                                  struct share_mode_entry *e,
777                                  const char *msg);
778 bool init_oplocks(struct smbd_server_connection *sconn);
779 void init_kernel_oplocks(struct smbd_server_connection *sconn);
780
781 /* The following definitions come from smbd/oplock_linux.c  */
782
783 int linux_set_lease_sighandler(int fd);
784 int linux_setlease(int fd, int leasetype);
785 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
786
787 /* The following definitions come from smbd/password.c  */
788
789 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
790 int register_homes_share(const char *username);
791
792 /* The following definitions come from smbd/pipes.c  */
793
794 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
795                       struct files_struct **pfsp);
796 void reply_pipe_write(struct smb_request *req);
797
798 /* The following definitions come from smbd/posix_acls.c  */
799
800 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
801 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
802 uint32_t map_canon_ace_perms(int snum,
803                                 enum security_ace_type *pacl_type,
804                                 mode_t perms,
805                                 bool directory_ace);
806 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
807 bool current_user_in_group(connection_struct *conn, gid_t gid);
808 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
809 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
810                            TALLOC_CTX *mem_ctx,
811                            struct security_descriptor **ppdesc);
812 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
813 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
814 int get_acl_group_bits(connection_struct *conn,
815                        struct files_struct *fsp,
816                        mode_t *mode);
817 int inherit_access_posix_acl(connection_struct *conn,
818                              struct files_struct *inherit_from_dirfsp,
819                              const struct smb_filename *smb_fname,
820                              mode_t mode);
821 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
822                                 files_struct *fsp,
823                                 uint16_t num_def_acls, const char *pdata);
824 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
825                                 uint16_t num_acls,
826                                 const char *pdata);
827 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
828                                 const struct smb_filename *smb_fname,
829                                 TALLOC_CTX *mem_ctx,
830                                 char **blob_description,
831                                 DATA_BLOB *blob);
832 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
833                               files_struct *fsp,
834                               TALLOC_CTX *mem_ctx,
835                               char **blob_description,
836                               DATA_BLOB *blob);
837
838 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
839
840 const struct enum_list *get_default_acl_style_list(void);
841
842 NTSTATUS make_default_filesystem_acl(
843         TALLOC_CTX *ctx,
844         enum default_acl_style acl_style,
845         const char *name,
846         const SMB_STRUCT_STAT *psbuf,
847         struct security_descriptor **ppdesc);
848
849 /* The following definitions come from smbd/smb2_process.c  */
850
851 bool srv_send_smb(struct smbXsrv_connection *xconn, char *buffer,
852                   bool no_signing, uint32_t seqnum,
853                   bool do_encrypt,
854                   struct smb_perfcount_data *pcd);
855 size_t srv_set_message(char *buf,
856                        size_t num_words,
857                        size_t num_bytes,
858                        bool zero);
859 NTSTATUS read_packet_remainder(int fd, char *buffer,
860                                unsigned int timeout, ssize_t len);
861 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
862                             struct smbXsrv_connection *xconn,
863                             int sock,
864                             char **buffer, unsigned int timeout,
865                             size_t *p_unread, bool *p_encrypted,
866                             size_t *p_len,
867                             uint32_t *seqnum,
868                             bool trusted_channel);
869 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
870                                       uint64_t mid);
871 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
872                                         uint64_t mid);
873 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
874 bool get_deferred_open_message_state(struct smb_request *smbreq,
875                                 struct timeval *p_request_time,
876                                 struct deferred_open_record **open_rec);
877 bool push_deferred_open_message_smb(struct smb_request *req,
878                                     struct timeval timeout,
879                                     struct file_id id,
880                                     struct deferred_open_record *open_rec);
881 bool create_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
882                    const uint8_t *inbuf, char **outbuf,
883                    uint8_t num_words, uint32_t num_bytes);
884 void construct_reply_common_req(struct smb_request *req, char *outbuf);
885 void reply_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
886 void process_smb(struct smbXsrv_connection *xconn,
887                  uint8_t *inbuf, size_t nread, size_t unread_bytes,
888                  uint32_t seqnum, bool encrypted,
889                  struct smb_perfcount_data *deferred_pcd);
890 void smbd_process(struct tevent_context *ev_ctx,
891                   struct messaging_context *msg_ctx,
892                   int sock_fd,
893                   bool interactive);
894 bool valid_smb_header(const uint8_t *inbuf);
895
896 /* The following definitions come from smbd/quotas.c  */
897
898 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
899                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
900
901 /* The following definitions come from smbd/smb2_reply.c  */
902
903 NTSTATUS check_path_syntax(char *path);
904 NTSTATUS check_path_syntax_posix(char *path);
905 size_t srvstr_get_path(TALLOC_CTX *ctx,
906                         const char *inbuf,
907                         uint16_t smb_flags2,
908                         char **pp_dest,
909                         const char *src,
910                         size_t src_len,
911                         int flags,
912                         NTSTATUS *err);
913 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
914                         const char *inbuf,
915                         uint16_t smb_flags2,
916                         char **pp_dest,
917                         const char *src,
918                         size_t src_len,
919                         int flags,
920                         NTSTATUS *err);
921 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
922                            char **pp_dest, const char *src, int flags,
923                            NTSTATUS *err);
924 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
925                               char **dest, const uint8_t *src, int flags);
926 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
927                     files_struct *fsp);
928 bool check_fsp(connection_struct *conn, struct smb_request *req,
929                files_struct *fsp);
930 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
931                               files_struct *fsp);
932 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
933 NTSTATUS unlink_internals(connection_struct *conn,
934                         struct smb_request *req,
935                         uint32_t dirtype,
936                         struct smb_filename *smb_fname);
937 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
938                       off_t startpos, size_t nread);
939 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
940                             files_struct *fsp,
941                             ssize_t nread,
942                             size_t headersize,
943                             size_t smb_maxcnt);
944 NTSTATUS rename_internals_fsp(connection_struct *conn,
945                         files_struct *fsp,
946                         struct smb_filename *smb_fname_dst_in,
947                         const char *dst_original_lcomp,
948                         uint32_t attrs,
949                         bool replace_if_exists);
950 NTSTATUS rename_internals(TALLOC_CTX *ctx,
951                         connection_struct *conn,
952                         struct smb_request *req,
953                         struct smb_filename *smb_fname_src,
954                         struct smb_filename *smb_fname_dst,
955                         const char *dst_original_lcomp,
956                         uint32_t attrs,
957                         bool replace_if_exists,
958                         uint32_t access_mask);
959 NTSTATUS copy_file(TALLOC_CTX *ctx,
960                         connection_struct *conn,
961                         struct smb_filename *smb_fname_src,
962                         struct smb_filename *smb_fname_dst,
963                         int ofun,
964                         int count,
965                         bool target_is_directory);
966 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
967                          bool large_file_format);
968
969 /* The following definitions come from smbd/seal.c  */
970
971 bool is_encrypted_packet(const uint8_t *inbuf);
972 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
973 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
974 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
975                             char **buf_out);
976 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
977                                         unsigned char **ppdata,
978                                         size_t *p_data_size,
979                                         unsigned char **pparam,
980                                         size_t *p_param_size);
981 NTSTATUS srv_encryption_start(connection_struct *conn);
982 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
983
984 /* The following definitions come from smbd/sec_ctx.c  */
985
986 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
987 bool push_sec_ctx(void);
988 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
989 void set_root_sec_ctx(void);
990 bool pop_sec_ctx(void);
991 void init_sec_ctx(void);
992 const struct security_token *sec_ctx_active_token(void);
993
994 /* The following definitions come from smbd/server.c  */
995
996 struct memcache *smbd_memcache(void);
997 bool snum_is_shared_printer(int snum);
998 void delete_and_reload_printers(void);
999 bool reload_services(struct smbd_server_connection *sconn,
1000                      bool (*snumused) (struct smbd_server_connection *, int),
1001                      bool test);
1002
1003 /* The following definitions come from smbd/server_exit.c  */
1004
1005 void smbd_exit_server(const char *reason) _NORETURN_;
1006 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1007
1008 /* The following definitions come from smbd/smb2_service.c  */
1009
1010 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1011 bool canonicalize_connect_path(connection_struct *conn);
1012 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1013 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1014 bool chdir_current_service(connection_struct *conn);
1015 void load_registry_shares(void);
1016 int add_home_service(const char *service, const char *username, const char *homedir);
1017 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1018 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1019                                         struct smbXsrv_tcon *tcon,
1020                                         int snum,
1021                                         const char *pdev,
1022                                         NTSTATUS *pstatus);
1023 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1024                               connection_struct *conn,
1025                               int snum,
1026                               struct smbXsrv_session *session,
1027                               const char *pdev);
1028 void close_cnum(connection_struct *conn, uint64_t vuid);
1029
1030 /* The following definitions come from smbd/session.c  */
1031 struct sessionid;
1032 struct smbXsrv_session;
1033 bool session_init(void);
1034 bool session_claim(struct smbXsrv_session *session);
1035 void session_yield(struct smbXsrv_session *session);
1036 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1037 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1038                   const char *machine, struct sessionid **session_list);
1039
1040 /* The following definitions come from smbd/share_access.c  */
1041
1042 bool token_contains_name_in_list(const char *username,
1043                                  const char *domain,
1044                                  const char *sharename,
1045                                  const struct security_token *token,
1046                                  const char **list);
1047 bool user_ok_token(const char *username, const char *domain,
1048                    const struct security_token *token, int snum);
1049 bool is_share_read_only_for_token(const char *username,
1050                                   const char *domain,
1051                                   const struct security_token *token,
1052                                   connection_struct *conn);
1053
1054 /* The following definitions come from smbd/srvstr.c  */
1055
1056 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1057                       const char *src, int dest_len, int flags, size_t *ret_len);
1058 ssize_t message_push_string(uint8_t **outbuf, const char *str, int flags);
1059
1060 /* The following definitions come from smbd/statcache.c  */
1061
1062 void stat_cache_add( const char *full_orig_name,
1063                 const char *translated_path,
1064                 NTTIME twrp,
1065                 bool case_sensitive);
1066 bool stat_cache_lookup(connection_struct *conn,
1067                         char **pp_name,
1068                         char **pp_dirpath,
1069                         char **pp_start,
1070                         NTTIME twrp,
1071                         SMB_STRUCT_STAT *pst);
1072 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1073                                     const char *name);
1074 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1075                                     const char *name);
1076 void stat_cache_delete(const char *name);
1077 bool reset_stat_cache( void );
1078
1079 /* The following definitions come from smbd/statvfs.c  */
1080
1081 int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf);
1082
1083 /* The following definitions come from smbd/trans2.c  */
1084
1085 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1086 NTSTATUS check_access_fsp(struct files_struct *fsp,
1087                           uint32_t access_mask);
1088 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1089 bool samba_private_attr_name(const char *unix_ea_name);
1090 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1091                           files_struct *fsp,
1092                           const char *ea_name,
1093                           struct ea_struct *pea);
1094 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1095                         files_struct *fsp,
1096                         char ***pnames,
1097                         size_t *pnum_names);
1098 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1099                 struct ea_list *ea_list);
1100 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1101 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1102                 connection_struct *conn,
1103                 struct smb_request *req,
1104                 bool overwrite_if_exists,
1105                 const struct smb_filename *smb_fname_old,
1106                 struct smb_filename *smb_fname_new);
1107 NTSTATUS smb_set_file_time(connection_struct *conn,
1108                            files_struct *fsp,
1109                            struct smb_filename *smb_fname,
1110                            struct smb_file_time *ft,
1111                            bool setting_write_time);
1112
1113 enum perm_type {
1114         PERM_NEW_FILE,
1115         PERM_NEW_DIR,
1116         PERM_EXISTING_FILE,
1117         PERM_EXISTING_DIR
1118 };
1119
1120 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1121                               const SMB_STRUCT_STAT *psbuf,
1122                               uint32_t perms,
1123                               enum perm_type ptype,
1124                               mode_t *ret_perms);
1125 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1126                              size_t data_size);
1127 unsigned int estimate_ea_size(files_struct *fsp);
1128 NTSTATUS smb_set_fsquota(connection_struct *conn,
1129                          struct smb_request *req,
1130                          files_struct *fsp,
1131                          const DATA_BLOB *qdata);
1132
1133 /* The following definitions come from smbd/uid.c  */
1134
1135 bool change_to_guest(void);
1136 NTSTATUS check_user_share_access(connection_struct *conn,
1137                                 const struct auth_session_info *session_info,
1138                                 uint32_t *p_share_access,
1139                                 bool *p_readonly_share);
1140 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1141 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1142 bool smbd_change_to_root_user(void);
1143 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1144 bool smbd_unbecome_authenticated_pipe_user(void);
1145 void become_root(void);
1146 void unbecome_root(void);
1147 void smbd_become_root(void);
1148 void smbd_unbecome_root(void);
1149 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1150 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1151 bool become_user_without_service_by_session(connection_struct *conn,
1152                             const struct auth_session_info *session_info);
1153 bool unbecome_user_without_service(void);
1154 uid_t get_current_uid(connection_struct *conn);
1155 gid_t get_current_gid(connection_struct *conn);
1156 const struct security_unix_token *get_current_utok(connection_struct *conn);
1157 const struct security_token *get_current_nttok(connection_struct *conn);
1158
1159 /* The following definitions come from smbd/utmp.c  */
1160
1161 void sys_utmp_claim(const char *username, const char *hostname,
1162                     const char *id_str, int id_num);
1163 void sys_utmp_yield(const char *username, const char *hostname,
1164                     const char *id_str, int id_num);
1165
1166 /* The following definitions come from smbd/vfs.c  */
1167
1168 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1169 bool smbd_vfs_init(connection_struct *conn);
1170 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1171 bool vfs_valid_pread_range(off_t offset, size_t length);
1172 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1173 ssize_t vfs_pwrite_data(struct smb_request *req,
1174                         files_struct *fsp,
1175                         const char *buffer,
1176                         size_t N,
1177                         off_t offset);
1178 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1179 int vfs_set_filelen(files_struct *fsp, off_t len);
1180 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1181 int vfs_fill_sparse(files_struct *fsp, off_t len);
1182 int vfs_set_blocking(files_struct *fsp, bool set);
1183 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1184 const char *vfs_readdirname(connection_struct *conn,
1185                             struct files_struct *dirfsp,
1186                             void *p,
1187                             SMB_STRUCT_STAT *sbuf,
1188                             char **talloced);
1189 int vfs_ChDir(connection_struct *conn,
1190                         const struct smb_filename *smb_fname);
1191 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1192 NTSTATUS check_reduced_name(connection_struct *conn,
1193                         const struct smb_filename *cwd_fname,
1194                         const struct smb_filename *smb_fname);
1195 int vfs_stat(struct connection_struct *conn,
1196              struct smb_filename *smb_fname);
1197 int vfs_stat_smb_basename(struct connection_struct *conn,
1198                         const struct smb_filename *smb_fname_in,
1199                         SMB_STRUCT_STAT *psbuf);
1200 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1201 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1202                         TALLOC_CTX *mem_ctx,
1203                         unsigned int *num_streams,
1204                         struct stream_struct **streams);
1205 void init_smb_file_time(struct smb_file_time *ft);
1206 int vfs_fake_fd(void);
1207 int vfs_fake_fd_close(int fd);
1208
1209 /* The following definitions come from smbd/avahi_register.c */
1210
1211 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1212                            uint16_t port);
1213
1214 /* The following definitions come from smbd/smb2_create.c */
1215
1216 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1217                                     TALLOC_CTX *mem_ctx,
1218                                     DATA_BLOB *cookie_blob);
1219 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1220                                         const DATA_BLOB old_cookie,
1221                                         TALLOC_CTX *mem_ctx,
1222                                         DATA_BLOB *new_cookie);
1223 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1224                                        struct smb_request *smb1req,
1225                                        struct smbXsrv_open *op,
1226                                        const DATA_BLOB old_cookie,
1227                                        TALLOC_CTX *mem_ctx,
1228                                        files_struct **result,
1229                                        DATA_BLOB *new_cookie);
1230
1231 /* The following definitions come from smbd/smb2_posix.c */
1232 DATA_BLOB smb2_posix_cc_info(TALLOC_CTX *mem_ctx,
1233                                 connection_struct *conn,
1234                                 uint32_t reparse_tag,
1235                                 const SMB_STRUCT_STAT *psbuf);
1236 DATA_BLOB store_smb2_posix_info(TALLOC_CTX *mem_ctx,
1237                                 connection_struct *conn,
1238                                 const SMB_STRUCT_STAT *psbuf,
1239                                 uint32_t reparse_tag,
1240                                 uint32_t dos_attributes);
1241
1242 #endif /* _SMBD_PROTO_H_ */