lib: Move extract_snapshot_token() to util_path.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 NTSTATUS OpenDir_from_pathref(TALLOC_CTX *mem_ctx,
231                               struct files_struct *dirfsp,
232                               const char *mask,
233                               uint32_t attr,
234                               struct smb_Dir **_dir_hnd);
235 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
236                         SMB_STRUCT_STAT *sbuf, char **talloced);
237 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
238 void SeekDir(struct smb_Dir *dirp, long offset);
239 long TellDir(struct smb_Dir *dirp);
240 NTSTATUS can_delete_directory(struct connection_struct *conn,
241                                 const char *dirname);
242 bool have_file_open_below(connection_struct *conn,
243                         const struct smb_filename *name);
244
245 /* The following definitions come from smbd/dmapi.c  */
246
247 const void *dmapi_get_current_session(void);
248 bool dmapi_have_session(void);
249 bool dmapi_new_session(void);
250 bool dmapi_destroy_session(void);
251 uint32_t dmapi_file_flags(const char * const path);
252
253 /* The following definitions come from smbd/dnsregister.c  */
254
255 bool smbd_setup_mdns_registration(struct tevent_context *ev,
256                                   TALLOC_CTX *mem_ctx,
257                                   uint16_t port);
258
259 /* The following definitions come from smbd/dosmode.c  */
260
261 mode_t unix_mode(connection_struct *conn, int dosmode,
262                  const struct smb_filename *smb_fname,
263                  struct files_struct *parent_dirfsp);
264 uint32_t dos_mode_msdfs(connection_struct *conn,
265                       const struct smb_filename *smb_fname);
266 uint32_t fdos_mode(struct files_struct *fsp);
267 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
268                                     struct tevent_context *ev,
269                                     files_struct *dir_fsp,
270                                     struct smb_filename *smb_fname);
271 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
272 int file_set_dosmode(connection_struct *conn,
273                      struct smb_filename *smb_fname,
274                      uint32_t dosmode,
275                      struct smb_filename *parent_dir,
276                      bool newfile);
277 NTSTATUS file_set_sparse(connection_struct *conn,
278                          struct files_struct *fsp,
279                          bool sparse);
280 int file_ntimes(connection_struct *conn,
281                 files_struct *fsp,
282                 struct smb_file_time *ft);
283 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
284 bool set_sticky_write_time_fsp(struct files_struct *fsp,
285                                struct timespec mtime);
286
287 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
288                               uint32_t *pattr);
289 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
290                               struct smb_filename *smb_fname,
291                               uint32_t dosmode);
292
293 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
294                                 struct timespec create_time);
295
296 struct timespec get_create_timespec(connection_struct *conn,
297                                 struct files_struct *fsp,
298                                 const struct smb_filename *smb_fname);
299
300 struct timespec get_change_timespec(connection_struct *conn,
301                                 struct files_struct *fsp,
302                                 const struct smb_filename *smb_fname);
303
304 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
305                                   DATA_BLOB blob,
306                                   uint32_t *pattr);
307
308 /* The following definitions come from smbd/error.c  */
309
310 bool use_nt_status(void);
311 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
312 size_t error_packet(char *outbuf,
313                     uint8_t eclass,
314                     uint32_t ecode,
315                     NTSTATUS ntstatus,
316                     int line,
317                     const char *file);
318 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
319                     int line, const char *file);
320 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
321                     int line, const char *file);
322 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
323                       NTSTATUS status, int line, const char *file);
324 void reply_openerror(struct smb_request *req, NTSTATUS status);
325
326 /* The following definitions come from smbd/file_access.c  */
327
328 bool can_delete_file_in_directory(connection_struct *conn,
329                         struct files_struct *dirfsp,
330                         const struct smb_filename *smb_fname);
331 bool can_write_to_fsp(struct files_struct *fsp);
332 bool directory_has_default_acl_fsp(struct files_struct *fsp);
333 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
334
335 /* The following definitions come from smbd/fileio.c  */
336
337 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
338 void fsp_flush_write_time_update(struct files_struct *fsp);
339 void trigger_write_time_update(struct files_struct *fsp);
340 void trigger_write_time_update_immediate(struct files_struct *fsp);
341 void mark_file_modified(files_struct *fsp);
342 ssize_t write_file(struct smb_request *req,
343                         files_struct *fsp,
344                         const char *data,
345                         off_t pos,
346                         size_t n);
347 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
348
349 /* The following definitions come from smbd/filename.c  */
350
351 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
352 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
353 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
354                                     uint32_t ucf_flags,
355                                     NTTIME twrp);
356 NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp,
357                                         const char *name,
358                                         bool mangled,
359                                         TALLOC_CTX *mem_ctx,
360                                         char **found_name);
361 char *get_original_lcomp(TALLOC_CTX *ctx,
362                         connection_struct *conn,
363                         const char *filename_in,
364                         uint32_t ucf_flags);
365 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
366                                            connection_struct *conn,
367                                            char *name_in,
368                                            uint32_t ucf_flags,
369                                            struct files_struct **_dirfsp,
370                                            struct smb_filename **_smb_fname_out,
371                                            char **_mask_out);
372 NTSTATUS get_real_filename_at(struct files_struct *dirfsp,
373                               const char *name,
374                               TALLOC_CTX *mem_ctx,
375                               char **found_name);
376
377 /* The following definitions come from smbd/files.c  */
378
379 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
380                  files_struct **result);
381 void fsp_set_gen_id(files_struct *fsp);
382 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
383                   files_struct **result);
384 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
385 void file_close_conn(connection_struct *conn, enum file_close_type close_type);
386 bool file_init_global(void);
387 bool file_init(struct smbd_server_connection *sconn);
388 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
389 struct files_struct *files_forall(
390         struct smbd_server_connection *sconn,
391         struct files_struct *(*fn)(struct files_struct *fsp,
392                                    void *private_data),
393         void *private_data);
394 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
395 files_struct *file_find_dif(struct smbd_server_connection *sconn,
396                             struct file_id id, unsigned long gen_id);
397 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
398                                  struct file_id id,
399                                  bool need_fsa);
400 files_struct *file_find_di_next(files_struct *start_fsp,
401                                  bool need_fsa);
402 struct files_struct *file_find_one_fsp_from_lease_key(
403         struct smbd_server_connection *sconn,
404         const struct smb2_lease_key *lease_key);
405 bool file_find_subpath(files_struct *dir_fsp);
406 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
407 void file_free(struct smb_request *req, files_struct *fsp);
408 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
409 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
410                                   uint64_t persistent_id,
411                                   uint64_t volatile_id);
412 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
413                                    uint64_t persistent_id,
414                                    uint64_t volatile_id);
415 NTSTATUS dup_file_fsp(
416         files_struct *from,
417         uint32_t access_mask,
418         files_struct *to);
419 NTSTATUS file_name_hash(connection_struct *conn,
420                         const char *name, uint32_t *p_name_hash);
421 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
422                            const struct smb_filename *smb_fname_in);
423 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
424 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
425 bool fsp_is_alternate_stream(const struct files_struct *fsp);
426 struct files_struct *metadata_fsp(struct files_struct *fsp);
427
428 NTSTATUS create_internal_fsp(connection_struct *conn,
429                              const struct smb_filename *smb_fname,
430                              struct files_struct **_fsp);
431 NTSTATUS create_internal_dirfsp(connection_struct *conn,
432                                 const struct smb_filename *smb_dname,
433                                 struct files_struct **_fsp);
434
435 NTSTATUS open_internal_dirfsp(connection_struct *conn,
436                               const struct smb_filename *smb_dname,
437                               int open_flags,
438                               struct files_struct **_fsp);
439 NTSTATUS openat_internal_dir_from_pathref(
440         struct files_struct *dirfsp,
441         int open_flags,
442         struct files_struct **_fsp);
443
444 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
445                             struct smb_filename *smb_fname);
446 NTSTATUS open_stream_pathref_fsp(
447         struct files_struct **_base_fsp,
448         struct smb_filename *smb_fname);
449 NTSTATUS openat_pathref_dirfsp_nosymlink(
450         TALLOC_CTX *mem_ctx,
451         struct connection_struct *conn,
452         const char *path_in,
453         NTTIME twrp,
454         struct smb_filename **_smb_fname,
455         size_t *unparsed,
456         char **substitute);
457 NTSTATUS readlink_talloc(
458         TALLOC_CTX *mem_ctx,
459         struct files_struct *dirfsp,
460         struct smb_filename *smb_relname,
461         char **_substitute);
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 synthetic_pathref(TALLOC_CTX *mem_ctx,
469                            struct files_struct *dirfsp,
470                            const char *base_name,
471                            const char *stream_name,
472                            const SMB_STRUCT_STAT *psbuf,
473                            NTTIME twrp,
474                            uint32_t flags,
475                            struct smb_filename **_smb_fname);
476
477 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
478                         struct files_struct *dirfsp,
479                         const struct smb_filename *smb_fname,
480                         struct smb_filename **_parent,
481                         struct smb_filename **_atname);
482
483 /* The following definitions come from smbd/smb2_ipc.c  */
484
485 NTSTATUS nt_status_np_pipe(NTSTATUS status);
486
487 /* The following definitions come from smbd/mangle.c  */
488
489 void mangle_reset_cache(void);
490 void mangle_change_to_posix(void);
491 bool mangle_is_mangled(const char *s, const struct share_params *p);
492 bool mangle_is_8_3(const char *fname, bool check_case,
493                    const struct share_params *p);
494 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
495                              const struct share_params *p);
496 bool mangle_must_mangle(const char *fname,
497                    const struct share_params *p);
498 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
499                         const char *in,
500                         char **out, /* talloced on the given context. */
501                         const struct share_params *p);
502 bool name_to_8_3(const char *in,
503                 char out[13],
504                 bool cache83,
505                 const struct share_params *p);
506
507 /* The following definitions come from smbd/mangle_hash.c  */
508
509 const struct mangle_fns *mangle_hash_init(void);
510
511 /* The following definitions come from smbd/mangle_hash2.c  */
512
513 const struct mangle_fns *mangle_hash2_init(void);
514 const struct mangle_fns *posix_mangle_init(void);
515
516 /* The following definitions come from smbd/msdfs.c  */
517
518 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
519                         bool shuffle_referrals,
520                         const char *target,
521                         struct referral **preflist,
522                         size_t *refcount);
523 bool is_msdfs_link(struct files_struct *dirfsp,
524                    struct smb_filename *smb_fname);
525 struct junction_map;
526 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
527                            struct auth_session_info *session_info,
528                            const char *dfs_path,
529                            const struct tsocket_address *remote_address,
530                            const struct tsocket_address *local_address,
531                            struct junction_map *jucn,
532                            size_t *consumedcntp,
533                            bool *self_referralp);
534 int setup_dfs_referral(connection_struct *orig_conn,
535                         const char *dfs_path,
536                         int max_referral_level,
537                         char **ppdata, NTSTATUS *pstatus);
538 bool create_junction(TALLOC_CTX *ctx,
539                 const char *dfs_path,
540                 struct junction_map *jucn);
541 struct referral;
542 char *msdfs_link_string(TALLOC_CTX *ctx,
543                 const struct referral *reflist,
544                 size_t referral_count);
545 bool create_msdfs_link(const struct junction_map *jucn,
546                        struct auth_session_info *session_info);
547 bool remove_msdfs_link(const struct junction_map *jucn,
548                        struct auth_session_info *session_info);
549
550 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
551                                       struct auth_session_info *session_info,
552                                       size_t *p_num_jn);
553 NTSTATUS dfs_filename_convert(TALLOC_CTX *ctx,
554                               connection_struct *conn,
555                               uint32_t ucf_flags,
556                               const char *dfs_path_in,
557                               char **pp_path_out);
558 struct connection_struct;
559 struct smb_filename;
560
561 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
562                                 struct tevent_context *ev,
563                                 struct messaging_context *msg,
564                                 const struct auth_session_info *session_info,
565                                 int snum,
566                                 const char *path,
567                                 struct connection_struct **c);
568 struct conn_struct_tos {
569         struct connection_struct *conn;
570         struct smb_filename *oldcwd_fname;
571 };
572 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
573                                 int snum,
574                                 const char *path,
575                                 const struct auth_session_info *session_info,
576                                 struct conn_struct_tos **_c);
577 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
578                                     int snum,
579                                     const char *path,
580                                     const struct auth_session_info *session_info,
581                                     struct conn_struct_tos **_c);
582
583 /* The following definitions come from smbd/notify.c  */
584
585 bool change_notify_fsp_has_changes(struct files_struct *fsp);
586 void change_notify_reply(struct smb_request *req,
587                          NTSTATUS error_code,
588                          uint32_t max_param,
589                          struct notify_change_buf *notify_buf,
590                          void (*reply_fn)(struct smb_request *req,
591                                           NTSTATUS error_code,
592                                           uint8_t *buf, size_t len));
593 void notify_callback(struct smbd_server_connection *sconn,
594                      void *private_data, struct timespec when,
595                      const struct notify_event *e);
596 NTSTATUS change_notify_create(struct files_struct *fsp,
597                               uint32_t max_buffer_size,
598                               uint32_t filter,
599                               bool recursive);
600 NTSTATUS change_notify_add_request(struct smb_request *req,
601                                 uint32_t max_param,
602                                 uint32_t filter, bool recursive,
603                                 struct files_struct *fsp,
604                                 void (*reply_fn)(struct smb_request *req,
605                                         NTSTATUS error_code,
606                                         uint8_t *buf, size_t len));
607 void smbd_notify_cancel_deleted(struct messaging_context *msg,
608                                 void *private_data, uint32_t msg_type,
609                                 struct server_id server_id, DATA_BLOB *data);
610 void smbd_notifyd_restarted(struct messaging_context *msg,
611                             void *private_data, uint32_t msg_type,
612                             struct server_id server_id, DATA_BLOB *data);
613 bool remove_pending_change_notify_requests_by_mid(
614         struct smbd_server_connection *sconn, uint64_t mid);
615 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
616                                                   NTSTATUS status);
617 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
618                   const char *path);
619 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
620 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
621                                                      struct tevent_context *ev);
622
623 /* The following definitions come from smbd/notify_inotify.c  */
624
625 int inotify_watch(TALLOC_CTX *mem_ctx,
626                   struct sys_notify_context *ctx,
627                   const char *path,
628                   uint32_t *filter,
629                   uint32_t *subdir_filter,
630                   void (*callback)(struct sys_notify_context *ctx,
631                                    void *private_data,
632                                    struct notify_event *ev,
633                                    uint32_t filter),
634                   void *private_data,
635                   void *handle_p);
636
637 int fam_watch(TALLOC_CTX *mem_ctx,
638               struct sys_notify_context *ctx,
639               const char *path,
640               uint32_t *filter,
641               uint32_t *subdir_filter,
642               void (*callback)(struct sys_notify_context *ctx,
643                                void *private_data,
644                                struct notify_event *ev,
645                                uint32_t filter),
646               void *private_data,
647               void *handle_p);
648
649
650 /* The following definitions come from smbd/notify_internal.c  */
651
652 struct notify_context *notify_init(
653         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
654         struct smbd_server_connection *sconn,
655         void (*callback)(struct smbd_server_connection *sconn,
656                          void *, struct timespec,
657                          const struct notify_event *));
658 NTSTATUS notify_add(struct notify_context *ctx,
659                     const char *path, uint32_t filter, uint32_t subdir_filter,
660                     void *private_data);
661 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
662                        char *path);
663 void notify_trigger(struct notify_context *notify,
664                     uint32_t action, uint32_t filter,
665                     const char *dir, const char *path);
666
667 /* The following definitions come from smbd/ntquotas.c  */
668
669 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
670                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
671 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
672 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
673 void *init_quota_handle(TALLOC_CTX *mem_ctx);
674
675 /* The following definitions come from smbd/smb2_nttrans.c  */
676
677 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
678                        uint32_t security_info_sent);
679 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
680                        uint32_t security_info_sent);
681 NTSTATUS copy_internals(TALLOC_CTX *ctx,
682                         connection_struct *conn,
683                         struct smb_request *req,
684                         struct files_struct *src_dirfsp,
685                         struct smb_filename *smb_fname_src,
686                         struct files_struct *dst_dirfsp,
687                         struct smb_filename *smb_fname_dst,
688                         uint32_t attrs);
689 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
690                                         TALLOC_CTX *mem_ctx,
691                                         files_struct *fsp,
692                                         uint32_t security_info_wanted,
693                                         uint32_t max_data_count,
694                                         uint8_t **ppmarshalled_sd,
695                                         size_t *psd_size);
696 #ifdef HAVE_SYS_QUOTAS
697
698 struct smb2_query_quota_info;
699
700 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
701                                      files_struct *fsp,
702                                      bool restart_scan,
703                                      bool return_single,
704                                      uint32_t sid_list_length,
705                                      DATA_BLOB *sidbuffer,
706                                      uint32_t max_data_count,
707                                      uint8_t **p_data,
708                                      uint32_t *p_data_size);
709 #endif
710
711 /* The following definitions come from smbd/open.c  */
712
713 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
714                                       struct files_struct *fsp,
715                                       bool use_privs,
716                                       uint32_t access_mask);
717 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
718                                 uint32_t access_mask);
719 NTSTATUS fd_openat(const struct files_struct *dirfsp,
720                    struct smb_filename *smb_fname,
721                    files_struct *fsp,
722                    const struct vfs_open_how *how);
723 NTSTATUS fd_close(files_struct *fsp);
724 bool is_oplock_stat_open(uint32_t access_mask);
725 bool is_lease_stat_open(uint32_t access_mask);
726 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
727                             const struct file_id *id,
728                             const struct share_mode_entry *exclusive,
729                             uint16_t break_to);
730 struct deferred_open_record;
731 bool is_deferred_open_async(const struct deferred_open_record *rec);
732 bool defer_smb1_sharing_violation(struct smb_request *req);
733 NTSTATUS create_directory(connection_struct *conn,
734                           struct smb_request *req,
735                           struct files_struct *dirfsp,
736                           struct smb_filename *smb_dname);
737 void msg_file_was_renamed(struct messaging_context *msg,
738                           void *private_data,
739                           uint32_t msg_type,
740                           struct server_id server_id,
741                           DATA_BLOB *data);
742 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
743                                  const struct smb2_lease_key *key,
744                                  uint32_t current_state,
745                                  uint16_t lease_version,
746                                  uint16_t lease_epoch);
747 NTSTATUS create_file_default(connection_struct *conn,
748                              struct smb_request *req,
749                              struct files_struct *dirfsp,
750                              struct smb_filename * smb_fname,
751                              uint32_t access_mask,
752                              uint32_t share_access,
753                              uint32_t create_disposition,
754                              uint32_t create_options,
755                              uint32_t file_attributes,
756                              uint32_t oplock_request,
757                              const struct smb2_lease *lease,
758                              uint64_t allocation_size,
759                              uint32_t private_flags,
760                              struct security_descriptor *sd,
761                              struct ea_list *ea_list,
762                              files_struct **result,
763                              int *pinfo,
764                              const struct smb2_create_blobs *in_context_blobs,
765                              struct smb2_create_blobs *out_context_blobs);
766
767 /* The following definitions come from smbd/oplock.c  */
768
769 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
770
771 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
772 NTSTATUS set_file_oplock(files_struct *fsp);
773 bool remove_oplock(files_struct *fsp);
774 bool downgrade_oplock(files_struct *fsp);
775 bool fsp_lease_update(struct files_struct *fsp);
776 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
777                         uint32_t num_file_ids,
778                         const struct file_id *ids,
779                         const struct smb2_lease_key *key,
780                         uint32_t lease_state);
781 void contend_level2_oplocks_begin(files_struct *fsp,
782                                   enum level2_contention_type type);
783 void contend_level2_oplocks_end(files_struct *fsp,
784                                 enum level2_contention_type type);
785 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
786                                   enum level2_contention_type type);
787 void smbd_contend_level2_oplocks_end(files_struct *fsp,
788                                 enum level2_contention_type type);
789 void share_mode_entry_to_message(char *msg, const struct file_id *id,
790                                  const struct share_mode_entry *e);
791 void message_to_share_mode_entry(struct file_id *id,
792                                  struct share_mode_entry *e,
793                                  const char *msg);
794 bool init_oplocks(struct smbd_server_connection *sconn);
795 void init_kernel_oplocks(struct smbd_server_connection *sconn);
796
797 /* The following definitions come from smbd/oplock_linux.c  */
798
799 int linux_set_lease_sighandler(int fd);
800 int linux_setlease(int fd, int leasetype);
801 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
802
803 /* The following definitions come from smbd/password.c  */
804
805 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
806 int register_homes_share(const char *username);
807
808 /* The following definitions come from smbd/pipes.c  */
809
810 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
811                       struct files_struct **pfsp);
812
813 /* The following definitions come from smbd/posix_acls.c  */
814
815 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
816 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
817 uint32_t map_canon_ace_perms(int snum,
818                                 enum security_ace_type *pacl_type,
819                                 mode_t perms,
820                                 bool directory_ace);
821 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
822 bool current_user_in_group(connection_struct *conn, gid_t gid);
823 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
824 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
825                            TALLOC_CTX *mem_ctx,
826                            struct security_descriptor **ppdesc);
827 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
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 bool smb2_srv_send(struct smbXsrv_connection *xconn, char *buffer,
867                    bool no_signing, uint32_t seqnum,
868                    bool do_encrypt,
869                    struct smb_perfcount_data *pcd);
870 #if !defined(WITH_SMB1SERVER)
871 bool smb1_srv_send(struct smbXsrv_connection *xconn, char *buffer,
872                    bool do_signing, uint32_t seqnum,
873                    bool do_encrypt,
874                    struct smb_perfcount_data *pcd);
875 #endif
876 size_t srv_smb1_set_message(char *buf,
877                        size_t num_words,
878                        size_t num_bytes,
879                        bool zero);
880 NTSTATUS read_packet_remainder(int fd, char *buffer,
881                                unsigned int timeout, ssize_t len);
882 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
883                             struct smbXsrv_connection *xconn,
884                             int sock,
885                             char **buffer, unsigned int timeout,
886                             size_t *p_unread, bool *p_encrypted,
887                             size_t *p_len,
888                             uint32_t *seqnum,
889                             bool trusted_channel);
890 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
891                                       uint64_t mid);
892 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
893                                         uint64_t mid);
894 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
895 bool get_deferred_open_message_state(struct smb_request *smbreq,
896                                 struct timeval *p_request_time,
897                                 struct deferred_open_record **open_rec);
898 bool push_deferred_open_message_smb(struct smb_request *req,
899                                     struct timeval timeout,
900                                     struct file_id id,
901                                     struct deferred_open_record *open_rec);
902 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
903                    const uint8_t *inbuf, char **outbuf,
904                    uint8_t num_words, uint32_t num_bytes);
905 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
906 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
907 void process_smb(struct smbXsrv_connection *xconn,
908                  uint8_t *inbuf, size_t nread, size_t unread_bytes,
909                  uint32_t seqnum, bool encrypted,
910                  struct smb_perfcount_data *deferred_pcd);
911 void smbd_process(struct tevent_context *ev_ctx,
912                   struct messaging_context *msg_ctx,
913                   int sock_fd,
914                   bool interactive);
915 bool valid_smb1_header(const uint8_t *inbuf);
916 bool init_smb1_request(struct smb_request *req,
917                       struct smbd_server_connection *sconn,
918                       struct smbXsrv_connection *xconn,
919                       const uint8_t *inbuf,
920                       size_t unread_bytes, bool encrypted,
921                       uint32_t seqnum);
922
923 /* The following definitions come from smbd/quotas.c  */
924
925 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
926                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
927
928 /* The following definitions come from smbd/smb2_reply.c  */
929
930 NTSTATUS check_path_syntax(char *path);
931 NTSTATUS check_path_syntax_posix(char *path);
932 NTSTATUS check_path_syntax_smb2(char *path, bool dfs_path);
933 size_t srvstr_get_path(TALLOC_CTX *ctx,
934                         const char *inbuf,
935                         uint16_t smb_flags2,
936                         char **pp_dest,
937                         const char *src,
938                         size_t src_len,
939                         int flags,
940                         NTSTATUS *err);
941 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
942                         const char *inbuf,
943                         uint16_t smb_flags2,
944                         char **pp_dest,
945                         const char *src,
946                         size_t src_len,
947                         int flags,
948                         NTSTATUS *err);
949 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
950                            char **pp_dest, const char *src, int flags,
951                            NTSTATUS *err);
952 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
953                               char **dest, const uint8_t *src, int flags);
954 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
955                     files_struct *fsp);
956 bool check_fsp(connection_struct *conn, struct smb_request *req,
957                files_struct *fsp);
958 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
959                               files_struct *fsp);
960 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
961 NTSTATUS unlink_internals(connection_struct *conn,
962                         struct smb_request *req,
963                         uint32_t dirtype,
964                         struct files_struct *dirfsp,
965                         struct smb_filename *smb_fname);
966 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
967                       off_t startpos, size_t nread);
968 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
969                             files_struct *fsp,
970                             ssize_t nread,
971                             size_t headersize,
972                             size_t smb_maxcnt);
973 NTSTATUS rename_internals_fsp(connection_struct *conn,
974                         files_struct *fsp,
975                         struct files_struct *dst_dirfsp,
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 files_struct *dst_dirfsp,
986                         struct smb_filename *smb_fname_dst,
987                         const char *dst_original_lcomp,
988                         uint32_t attrs,
989                         bool replace_if_exists,
990                         uint32_t access_mask);
991 NTSTATUS copy_file(TALLOC_CTX *ctx,
992                         connection_struct *conn,
993                         struct smb_filename *smb_fname_src,
994                         struct smb_filename *smb_fname_dst,
995                         uint32_t new_create_disposition);
996 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
997                          bool large_file_format);
998
999 /* The following definitions come from smbd/seal.c  */
1000
1001 bool is_encrypted_packet(const uint8_t *inbuf);
1002 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1003 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1004 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1005                             char **buf_out);
1006 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1007                                         unsigned char **ppdata,
1008                                         size_t *p_data_size,
1009                                         unsigned char **pparam,
1010                                         size_t *p_param_size);
1011 NTSTATUS srv_encryption_start(connection_struct *conn);
1012 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1013
1014 /* The following definitions come from smbd/sec_ctx.c  */
1015
1016 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1017 bool push_sec_ctx(void);
1018 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1019 void set_root_sec_ctx(void);
1020 bool pop_sec_ctx(void);
1021 void init_sec_ctx(void);
1022 const struct security_token *sec_ctx_active_token(void);
1023
1024 /* The following definitions come from smbd/server.c  */
1025
1026 struct memcache *smbd_memcache(void);
1027 bool snum_is_shared_printer(int snum);
1028 void delete_and_reload_printers(void);
1029 bool reload_services(struct smbd_server_connection *sconn,
1030                      bool (*snumused) (struct smbd_server_connection *, int),
1031                      bool test);
1032
1033 /* The following definitions come from smbd/server_exit.c  */
1034
1035 void smbd_exit_server(const char *reason) _NORETURN_;
1036 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1037
1038 /* The following definitions come from smbd/smb2_service.c  */
1039
1040 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1041 bool canonicalize_connect_path(connection_struct *conn);
1042 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1043 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1044 bool chdir_current_service(connection_struct *conn);
1045 void load_registry_shares(void);
1046 int add_home_service(const char *service, const char *username, const char *homedir);
1047 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1048 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1049                                         struct smbXsrv_tcon *tcon,
1050                                         int snum,
1051                                         const char *pdev,
1052                                         NTSTATUS *pstatus);
1053 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1054                               connection_struct *conn,
1055                               int snum,
1056                               struct smbXsrv_session *session,
1057                               const char *pdev);
1058 void close_cnum(connection_struct *conn,
1059                 uint64_t vuid,
1060                 enum file_close_type close_type);
1061
1062 /* The following definitions come from smbd/session.c  */
1063 struct sessionid;
1064 struct smbXsrv_session;
1065 bool session_init(void);
1066 bool session_claim(struct smbXsrv_session *session);
1067 void session_yield(struct smbXsrv_session *session);
1068 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1069 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1070                   const char *machine, struct sessionid **session_list);
1071
1072 /* The following definitions come from smbd/share_access.c  */
1073
1074 bool token_contains_name_in_list(const char *username,
1075                                  const char *domain,
1076                                  const char *sharename,
1077                                  const struct security_token *token,
1078                                  const char **list);
1079 bool user_ok_token(const char *username, const char *domain,
1080                    const struct security_token *token, int snum);
1081 bool is_share_read_only_for_token(const char *username,
1082                                   const char *domain,
1083                                   const struct security_token *token,
1084                                   connection_struct *conn);
1085
1086 /* The following definitions come from smbd/srvstr.c  */
1087
1088 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1089                       const char *src, int dest_len, int flags, size_t *ret_len);
1090
1091 /* The following definitions come from smbd/statcache.c  */
1092
1093 void stat_cache_add( const char *full_orig_name,
1094                 const char *translated_path,
1095                 NTTIME twrp,
1096                 bool case_sensitive);
1097 bool stat_cache_lookup(connection_struct *conn,
1098                         char **pp_name,
1099                         char **pp_dirpath,
1100                         char **pp_start,
1101                         NTTIME twrp,
1102                         SMB_STRUCT_STAT *pst);
1103 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1104                                     const char *name);
1105 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1106                                     const char *name);
1107 void stat_cache_delete(const char *name);
1108 bool reset_stat_cache( void );
1109
1110 /* The following definitions come from smbd/statvfs.c  */
1111
1112 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1113
1114 /* The following definitions come from smbd/trans2.c  */
1115
1116 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1117 NTSTATUS check_access_fsp(struct files_struct *fsp,
1118                           uint32_t access_mask);
1119 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1120 bool samba_private_attr_name(const char *unix_ea_name);
1121 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1122                           files_struct *fsp,
1123                           const char *ea_name,
1124                           struct ea_struct *pea);
1125 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1126                         files_struct *fsp,
1127                         char ***pnames,
1128                         size_t *pnum_names);
1129 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1130                 struct ea_list *ea_list);
1131 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1132 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1133                 connection_struct *conn,
1134                 struct smb_request *req,
1135                 bool overwrite_if_exists,
1136                 struct files_struct *old_dirfsp,
1137                 const struct smb_filename *smb_fname_old,
1138                 struct files_struct *new_dirfsp,
1139                 struct smb_filename *smb_fname_new);
1140 NTSTATUS smb_set_file_time(connection_struct *conn,
1141                            files_struct *fsp,
1142                            struct smb_filename *smb_fname,
1143                            struct smb_file_time *ft,
1144                            bool setting_write_time);
1145
1146 enum perm_type {
1147         PERM_NEW_FILE,
1148         PERM_NEW_DIR,
1149         PERM_EXISTING_FILE,
1150         PERM_EXISTING_DIR
1151 };
1152
1153 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1154                               const SMB_STRUCT_STAT *psbuf,
1155                               uint32_t perms,
1156                               enum perm_type ptype,
1157                               mode_t *ret_perms);
1158 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1159                              size_t data_size);
1160 unsigned int estimate_ea_size(files_struct *fsp);
1161 NTSTATUS smb_set_fsquota(connection_struct *conn,
1162                          struct smb_request *req,
1163                          files_struct *fsp,
1164                          const DATA_BLOB *qdata);
1165
1166 /* The following definitions come from smbd/uid.c  */
1167
1168 bool change_to_guest(void);
1169 NTSTATUS check_user_share_access(connection_struct *conn,
1170                                 const struct auth_session_info *session_info,
1171                                 uint32_t *p_share_access,
1172                                 bool *p_readonly_share);
1173 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1174 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1175 bool smbd_change_to_root_user(void);
1176 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1177 bool smbd_unbecome_authenticated_pipe_user(void);
1178 void become_root(void);
1179 void unbecome_root(void);
1180 void smbd_become_root(void);
1181 void smbd_unbecome_root(void);
1182 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1183 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1184 bool become_user_without_service_by_session(connection_struct *conn,
1185                             const struct auth_session_info *session_info);
1186 bool unbecome_user_without_service(void);
1187 uid_t get_current_uid(connection_struct *conn);
1188 gid_t get_current_gid(connection_struct *conn);
1189 const struct security_unix_token *get_current_utok(connection_struct *conn);
1190 const struct security_token *get_current_nttok(connection_struct *conn);
1191
1192 /* The following definitions come from smbd/utmp.c  */
1193
1194 void sys_utmp_claim(const char *username, const char *hostname,
1195                     const char *id_str, int id_num);
1196 void sys_utmp_yield(const char *username, const char *hostname,
1197                     const char *id_str, int id_num);
1198
1199 /* The following definitions come from smbd/vfs.c  */
1200
1201 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1202 bool smbd_vfs_init(connection_struct *conn);
1203 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1204 bool vfs_valid_pread_range(off_t offset, size_t length);
1205 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1206 ssize_t vfs_pwrite_data(struct smb_request *req,
1207                         files_struct *fsp,
1208                         const char *buffer,
1209                         size_t N,
1210                         off_t offset);
1211 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1212 int vfs_set_filelen(files_struct *fsp, off_t len);
1213 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1214 int vfs_fill_sparse(files_struct *fsp, off_t len);
1215 int vfs_set_blocking(files_struct *fsp, bool set);
1216 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1217 const char *vfs_readdirname(connection_struct *conn,
1218                             struct files_struct *dirfsp,
1219                             void *p,
1220                             SMB_STRUCT_STAT *sbuf,
1221                             char **talloced);
1222 int vfs_ChDir(connection_struct *conn,
1223                         const struct smb_filename *smb_fname);
1224 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1225 int vfs_stat(struct connection_struct *conn,
1226              struct smb_filename *smb_fname);
1227 int vfs_stat_smb_basename(struct connection_struct *conn,
1228                         const struct smb_filename *smb_fname_in,
1229                         SMB_STRUCT_STAT *psbuf);
1230 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1231 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1232                         TALLOC_CTX *mem_ctx,
1233                         unsigned int *num_streams,
1234                         struct stream_struct **streams);
1235 void init_smb_file_time(struct smb_file_time *ft);
1236 int vfs_fake_fd(void);
1237 int vfs_fake_fd_close(int fd);
1238
1239 /* The following definitions come from smbd/avahi_register.c */
1240
1241 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1242                            uint16_t port);
1243
1244 /* The following definitions come from smbd/smb2_create.c */
1245
1246 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1247                                     TALLOC_CTX *mem_ctx,
1248                                     DATA_BLOB *cookie_blob);
1249 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1250                                         const DATA_BLOB old_cookie,
1251                                         TALLOC_CTX *mem_ctx,
1252                                         DATA_BLOB *new_cookie);
1253 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1254                                        struct smb_request *smb1req,
1255                                        struct smbXsrv_open *op,
1256                                        const DATA_BLOB old_cookie,
1257                                        TALLOC_CTX *mem_ctx,
1258                                        files_struct **result,
1259                                        DATA_BLOB *new_cookie);
1260
1261 /* The following definitions come from smbd/smb2_posix.c */
1262 ssize_t smb2_posix_cc_info(
1263         connection_struct *conn,
1264         uint32_t reparse_tag,
1265         const SMB_STRUCT_STAT *psbuf,
1266         const struct dom_sid *owner,
1267         const struct dom_sid *group,
1268         uint8_t *buf,
1269         size_t buflen);
1270 ssize_t store_smb2_posix_info(
1271         connection_struct *conn,
1272         const SMB_STRUCT_STAT *psbuf,
1273         uint32_t reparse_tag,
1274         uint32_t dos_attributes,
1275         uint8_t *buf,
1276         size_t buflen);
1277
1278 #endif /* _SMBD_PROTO_H_ */