smbd: Make readlink_talloc() public
[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 bool extract_snapshot_token(char *fname, NTTIME *twrp);
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_at(struct files_struct *dirfsp,
358                                         const char *name,
359                                         bool mangled,
360                                         TALLOC_CTX *mem_ctx,
361                                         char **found_name);
362 char *get_original_lcomp(TALLOC_CTX *ctx,
363                         connection_struct *conn,
364                         const char *filename_in,
365                         uint32_t ucf_flags);
366 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
367                                            connection_struct *conn,
368                                            char *name_in,
369                                            uint32_t ucf_flags,
370                                            struct files_struct **_dirfsp,
371                                            struct smb_filename **_smb_fname_out,
372                                            char **_mask_out);
373 NTSTATUS get_real_filename_at(struct files_struct *dirfsp,
374                               const char *name,
375                               TALLOC_CTX *mem_ctx,
376                               char **found_name);
377
378 /* The following definitions come from smbd/files.c  */
379
380 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
381                  files_struct **result);
382 void fsp_set_gen_id(files_struct *fsp);
383 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
384                   files_struct **result);
385 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
386 void file_close_conn(connection_struct *conn, enum file_close_type close_type);
387 bool file_init_global(void);
388 bool file_init(struct smbd_server_connection *sconn);
389 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
390 struct files_struct *files_forall(
391         struct smbd_server_connection *sconn,
392         struct files_struct *(*fn)(struct files_struct *fsp,
393                                    void *private_data),
394         void *private_data);
395 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
396 files_struct *file_find_dif(struct smbd_server_connection *sconn,
397                             struct file_id id, unsigned long gen_id);
398 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
399                                  struct file_id id,
400                                  bool need_fsa);
401 files_struct *file_find_di_next(files_struct *start_fsp,
402                                  bool need_fsa);
403 struct files_struct *file_find_one_fsp_from_lease_key(
404         struct smbd_server_connection *sconn,
405         const struct smb2_lease_key *lease_key);
406 bool file_find_subpath(files_struct *dir_fsp);
407 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
408 void file_free(struct smb_request *req, files_struct *fsp);
409 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
410 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
411                                   uint64_t persistent_id,
412                                   uint64_t volatile_id);
413 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
414                                    uint64_t persistent_id,
415                                    uint64_t volatile_id);
416 NTSTATUS dup_file_fsp(
417         files_struct *from,
418         uint32_t access_mask,
419         files_struct *to);
420 NTSTATUS file_name_hash(connection_struct *conn,
421                         const char *name, uint32_t *p_name_hash);
422 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
423                            const struct smb_filename *smb_fname_in);
424 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
425 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
426 bool fsp_is_alternate_stream(const struct files_struct *fsp);
427 struct files_struct *metadata_fsp(struct files_struct *fsp);
428
429 NTSTATUS create_internal_fsp(connection_struct *conn,
430                              const struct smb_filename *smb_fname,
431                              struct files_struct **_fsp);
432 NTSTATUS create_internal_dirfsp(connection_struct *conn,
433                                 const struct smb_filename *smb_dname,
434                                 struct files_struct **_fsp);
435
436 NTSTATUS open_internal_dirfsp(connection_struct *conn,
437                               const struct smb_filename *smb_dname,
438                               int open_flags,
439                               struct files_struct **_fsp);
440 NTSTATUS openat_internal_dir_from_pathref(
441         struct files_struct *dirfsp,
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 NTSTATUS open_stream_pathref_fsp(
448         struct files_struct **_base_fsp,
449         struct smb_filename *smb_fname);
450 NTSTATUS openat_pathref_dirfsp_nosymlink(
451         TALLOC_CTX *mem_ctx,
452         struct connection_struct *conn,
453         const char *path_in,
454         NTTIME twrp,
455         struct smb_filename **_smb_fname,
456         size_t *unparsed,
457         char **substitute);
458 NTSTATUS readlink_talloc(
459         TALLOC_CTX *mem_ctx,
460         struct files_struct *dirfsp,
461         struct smb_filename *smb_relname,
462         char **_substitute);
463
464 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
465
466 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
467                                  struct smb_filename *smb_fname_src);
468
469 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
470                            struct files_struct *dirfsp,
471                            const char *base_name,
472                            const char *stream_name,
473                            const SMB_STRUCT_STAT *psbuf,
474                            NTTIME twrp,
475                            uint32_t flags,
476                            struct smb_filename **_smb_fname);
477
478 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
479                         struct files_struct *dirfsp,
480                         const struct smb_filename *smb_fname,
481                         struct smb_filename **_parent,
482                         struct smb_filename **_atname);
483
484 /* The following definitions come from smbd/smb2_ipc.c  */
485
486 NTSTATUS nt_status_np_pipe(NTSTATUS status);
487
488 /* The following definitions come from smbd/mangle.c  */
489
490 void mangle_reset_cache(void);
491 void mangle_change_to_posix(void);
492 bool mangle_is_mangled(const char *s, const struct share_params *p);
493 bool mangle_is_8_3(const char *fname, bool check_case,
494                    const struct share_params *p);
495 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
496                              const struct share_params *p);
497 bool mangle_must_mangle(const char *fname,
498                    const struct share_params *p);
499 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
500                         const char *in,
501                         char **out, /* talloced on the given context. */
502                         const struct share_params *p);
503 bool name_to_8_3(const char *in,
504                 char out[13],
505                 bool cache83,
506                 const struct share_params *p);
507
508 /* The following definitions come from smbd/mangle_hash.c  */
509
510 const struct mangle_fns *mangle_hash_init(void);
511
512 /* The following definitions come from smbd/mangle_hash2.c  */
513
514 const struct mangle_fns *mangle_hash2_init(void);
515 const struct mangle_fns *posix_mangle_init(void);
516
517 /* The following definitions come from smbd/msdfs.c  */
518
519 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
520                         bool shuffle_referrals,
521                         const char *target,
522                         struct referral **preflist,
523                         size_t *refcount);
524 bool is_msdfs_link(struct files_struct *dirfsp,
525                    struct smb_filename *smb_fname);
526 struct junction_map;
527 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
528                            struct auth_session_info *session_info,
529                            const char *dfs_path,
530                            const struct tsocket_address *remote_address,
531                            const struct tsocket_address *local_address,
532                            struct junction_map *jucn,
533                            size_t *consumedcntp,
534                            bool *self_referralp);
535 int setup_dfs_referral(connection_struct *orig_conn,
536                         const char *dfs_path,
537                         int max_referral_level,
538                         char **ppdata, NTSTATUS *pstatus);
539 bool create_junction(TALLOC_CTX *ctx,
540                 const char *dfs_path,
541                 struct junction_map *jucn);
542 struct referral;
543 char *msdfs_link_string(TALLOC_CTX *ctx,
544                 const struct referral *reflist,
545                 size_t referral_count);
546 bool create_msdfs_link(const struct junction_map *jucn,
547                        struct auth_session_info *session_info);
548 bool remove_msdfs_link(const struct junction_map *jucn,
549                        struct auth_session_info *session_info);
550
551 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
552                                       struct auth_session_info *session_info,
553                                       size_t *p_num_jn);
554 NTSTATUS dfs_filename_convert(TALLOC_CTX *ctx,
555                               connection_struct *conn,
556                               uint32_t ucf_flags,
557                               const char *dfs_path_in,
558                               char **pp_path_out);
559 struct connection_struct;
560 struct smb_filename;
561
562 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
563                                 struct tevent_context *ev,
564                                 struct messaging_context *msg,
565                                 const struct auth_session_info *session_info,
566                                 int snum,
567                                 const char *path,
568                                 struct connection_struct **c);
569 struct conn_struct_tos {
570         struct connection_struct *conn;
571         struct smb_filename *oldcwd_fname;
572 };
573 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
574                                 int snum,
575                                 const char *path,
576                                 const struct auth_session_info *session_info,
577                                 struct conn_struct_tos **_c);
578 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
579                                     int snum,
580                                     const char *path,
581                                     const struct auth_session_info *session_info,
582                                     struct conn_struct_tos **_c);
583
584 /* The following definitions come from smbd/notify.c  */
585
586 bool change_notify_fsp_has_changes(struct files_struct *fsp);
587 void change_notify_reply(struct smb_request *req,
588                          NTSTATUS error_code,
589                          uint32_t max_param,
590                          struct notify_change_buf *notify_buf,
591                          void (*reply_fn)(struct smb_request *req,
592                                           NTSTATUS error_code,
593                                           uint8_t *buf, size_t len));
594 void notify_callback(struct smbd_server_connection *sconn,
595                      void *private_data, struct timespec when,
596                      const struct notify_event *e);
597 NTSTATUS change_notify_create(struct files_struct *fsp,
598                               uint32_t max_buffer_size,
599                               uint32_t filter,
600                               bool recursive);
601 NTSTATUS change_notify_add_request(struct smb_request *req,
602                                 uint32_t max_param,
603                                 uint32_t filter, bool recursive,
604                                 struct files_struct *fsp,
605                                 void (*reply_fn)(struct smb_request *req,
606                                         NTSTATUS error_code,
607                                         uint8_t *buf, size_t len));
608 void smbd_notify_cancel_deleted(struct messaging_context *msg,
609                                 void *private_data, uint32_t msg_type,
610                                 struct server_id server_id, DATA_BLOB *data);
611 void smbd_notifyd_restarted(struct messaging_context *msg,
612                             void *private_data, uint32_t msg_type,
613                             struct server_id server_id, DATA_BLOB *data);
614 bool remove_pending_change_notify_requests_by_mid(
615         struct smbd_server_connection *sconn, uint64_t mid);
616 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
617                                                   NTSTATUS status);
618 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
619                   const char *path);
620 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
621 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
622                                                      struct tevent_context *ev);
623
624 /* The following definitions come from smbd/notify_inotify.c  */
625
626 int inotify_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 int fam_watch(TALLOC_CTX *mem_ctx,
639               struct sys_notify_context *ctx,
640               const char *path,
641               uint32_t *filter,
642               uint32_t *subdir_filter,
643               void (*callback)(struct sys_notify_context *ctx,
644                                void *private_data,
645                                struct notify_event *ev,
646                                uint32_t filter),
647               void *private_data,
648               void *handle_p);
649
650
651 /* The following definitions come from smbd/notify_internal.c  */
652
653 struct notify_context *notify_init(
654         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
655         struct smbd_server_connection *sconn,
656         void (*callback)(struct smbd_server_connection *sconn,
657                          void *, struct timespec,
658                          const struct notify_event *));
659 NTSTATUS notify_add(struct notify_context *ctx,
660                     const char *path, uint32_t filter, uint32_t subdir_filter,
661                     void *private_data);
662 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
663                        char *path);
664 void notify_trigger(struct notify_context *notify,
665                     uint32_t action, uint32_t filter,
666                     const char *dir, const char *path);
667
668 /* The following definitions come from smbd/ntquotas.c  */
669
670 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
671                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
672 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
673 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
674 void *init_quota_handle(TALLOC_CTX *mem_ctx);
675
676 /* The following definitions come from smbd/smb2_nttrans.c  */
677
678 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
679                        uint32_t security_info_sent);
680 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
681                        uint32_t security_info_sent);
682 NTSTATUS copy_internals(TALLOC_CTX *ctx,
683                         connection_struct *conn,
684                         struct smb_request *req,
685                         struct files_struct *src_dirfsp,
686                         struct smb_filename *smb_fname_src,
687                         struct files_struct *dst_dirfsp,
688                         struct smb_filename *smb_fname_dst,
689                         uint32_t attrs);
690 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
691                                         TALLOC_CTX *mem_ctx,
692                                         files_struct *fsp,
693                                         uint32_t security_info_wanted,
694                                         uint32_t max_data_count,
695                                         uint8_t **ppmarshalled_sd,
696                                         size_t *psd_size);
697 #ifdef HAVE_SYS_QUOTAS
698
699 struct smb2_query_quota_info;
700
701 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
702                                      files_struct *fsp,
703                                      bool restart_scan,
704                                      bool return_single,
705                                      uint32_t sid_list_length,
706                                      DATA_BLOB *sidbuffer,
707                                      uint32_t max_data_count,
708                                      uint8_t **p_data,
709                                      uint32_t *p_data_size);
710 #endif
711
712 /* The following definitions come from smbd/open.c  */
713
714 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
715                                       struct files_struct *fsp,
716                                       bool use_privs,
717                                       uint32_t access_mask);
718 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
719                                 uint32_t access_mask);
720 NTSTATUS fd_openat(const struct files_struct *dirfsp,
721                    struct smb_filename *smb_fname,
722                    files_struct *fsp,
723                    const struct vfs_open_how *how);
724 NTSTATUS fd_close(files_struct *fsp);
725 bool is_oplock_stat_open(uint32_t access_mask);
726 bool is_lease_stat_open(uint32_t access_mask);
727 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
728                             const struct file_id *id,
729                             const struct share_mode_entry *exclusive,
730                             uint16_t break_to);
731 struct deferred_open_record;
732 bool is_deferred_open_async(const struct deferred_open_record *rec);
733 bool defer_smb1_sharing_violation(struct smb_request *req);
734 NTSTATUS create_directory(connection_struct *conn,
735                           struct smb_request *req,
736                           struct files_struct *dirfsp,
737                           struct smb_filename *smb_dname);
738 void msg_file_was_renamed(struct messaging_context *msg,
739                           void *private_data,
740                           uint32_t msg_type,
741                           struct server_id server_id,
742                           DATA_BLOB *data);
743 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
744                                  const struct smb2_lease_key *key,
745                                  uint32_t current_state,
746                                  uint16_t lease_version,
747                                  uint16_t lease_epoch);
748 NTSTATUS create_file_default(connection_struct *conn,
749                              struct smb_request *req,
750                              struct files_struct *dirfsp,
751                              struct smb_filename * smb_fname,
752                              uint32_t access_mask,
753                              uint32_t share_access,
754                              uint32_t create_disposition,
755                              uint32_t create_options,
756                              uint32_t file_attributes,
757                              uint32_t oplock_request,
758                              const struct smb2_lease *lease,
759                              uint64_t allocation_size,
760                              uint32_t private_flags,
761                              struct security_descriptor *sd,
762                              struct ea_list *ea_list,
763                              files_struct **result,
764                              int *pinfo,
765                              const struct smb2_create_blobs *in_context_blobs,
766                              struct smb2_create_blobs *out_context_blobs);
767
768 /* The following definitions come from smbd/oplock.c  */
769
770 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
771
772 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
773 NTSTATUS set_file_oplock(files_struct *fsp);
774 bool remove_oplock(files_struct *fsp);
775 bool downgrade_oplock(files_struct *fsp);
776 bool fsp_lease_update(struct files_struct *fsp);
777 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
778                         uint32_t num_file_ids,
779                         const struct file_id *ids,
780                         const struct smb2_lease_key *key,
781                         uint32_t lease_state);
782 void contend_level2_oplocks_begin(files_struct *fsp,
783                                   enum level2_contention_type type);
784 void contend_level2_oplocks_end(files_struct *fsp,
785                                 enum level2_contention_type type);
786 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
787                                   enum level2_contention_type type);
788 void smbd_contend_level2_oplocks_end(files_struct *fsp,
789                                 enum level2_contention_type type);
790 void share_mode_entry_to_message(char *msg, const struct file_id *id,
791                                  const struct share_mode_entry *e);
792 void message_to_share_mode_entry(struct file_id *id,
793                                  struct share_mode_entry *e,
794                                  const char *msg);
795 bool init_oplocks(struct smbd_server_connection *sconn);
796 void init_kernel_oplocks(struct smbd_server_connection *sconn);
797
798 /* The following definitions come from smbd/oplock_linux.c  */
799
800 int linux_set_lease_sighandler(int fd);
801 int linux_setlease(int fd, int leasetype);
802 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
803
804 /* The following definitions come from smbd/password.c  */
805
806 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
807 int register_homes_share(const char *username);
808
809 /* The following definitions come from smbd/pipes.c  */
810
811 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
812                       struct files_struct **pfsp);
813
814 /* The following definitions come from smbd/posix_acls.c  */
815
816 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
817 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
818 uint32_t map_canon_ace_perms(int snum,
819                                 enum security_ace_type *pacl_type,
820                                 mode_t perms,
821                                 bool directory_ace);
822 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
823 bool current_user_in_group(connection_struct *conn, gid_t gid);
824 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
825 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
826                            TALLOC_CTX *mem_ctx,
827                            struct security_descriptor **ppdesc);
828 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
829 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
830 int get_acl_group_bits(connection_struct *conn,
831                        struct files_struct *fsp,
832                        mode_t *mode);
833 int inherit_access_posix_acl(connection_struct *conn,
834                              struct files_struct *inherit_from_dirfsp,
835                              const struct smb_filename *smb_fname,
836                              mode_t mode);
837 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
838                                 files_struct *fsp,
839                                 uint16_t num_def_acls, const char *pdata);
840 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
841                                 uint16_t num_acls,
842                                 const char *pdata);
843 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
844                                 const struct smb_filename *smb_fname,
845                                 TALLOC_CTX *mem_ctx,
846                                 char **blob_description,
847                                 DATA_BLOB *blob);
848 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
849                               files_struct *fsp,
850                               TALLOC_CTX *mem_ctx,
851                               char **blob_description,
852                               DATA_BLOB *blob);
853
854 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
855
856 const struct enum_list *get_default_acl_style_list(void);
857
858 NTSTATUS make_default_filesystem_acl(
859         TALLOC_CTX *ctx,
860         enum default_acl_style acl_style,
861         const char *name,
862         const SMB_STRUCT_STAT *psbuf,
863         struct security_descriptor **ppdesc);
864
865 /* The following definitions come from smbd/smb2_process.c  */
866
867 bool smb2_srv_send(struct smbXsrv_connection *xconn, char *buffer,
868                    bool no_signing, uint32_t seqnum,
869                    bool do_encrypt,
870                    struct smb_perfcount_data *pcd);
871 #if !defined(WITH_SMB1SERVER)
872 bool smb1_srv_send(struct smbXsrv_connection *xconn, char *buffer,
873                    bool do_signing, uint32_t seqnum,
874                    bool do_encrypt,
875                    struct smb_perfcount_data *pcd);
876 #endif
877 size_t srv_smb1_set_message(char *buf,
878                        size_t num_words,
879                        size_t num_bytes,
880                        bool zero);
881 NTSTATUS read_packet_remainder(int fd, char *buffer,
882                                unsigned int timeout, ssize_t len);
883 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
884                             struct smbXsrv_connection *xconn,
885                             int sock,
886                             char **buffer, unsigned int timeout,
887                             size_t *p_unread, bool *p_encrypted,
888                             size_t *p_len,
889                             uint32_t *seqnum,
890                             bool trusted_channel);
891 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
892                                       uint64_t mid);
893 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
894                                         uint64_t mid);
895 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
896 bool get_deferred_open_message_state(struct smb_request *smbreq,
897                                 struct timeval *p_request_time,
898                                 struct deferred_open_record **open_rec);
899 bool push_deferred_open_message_smb(struct smb_request *req,
900                                     struct timeval timeout,
901                                     struct file_id id,
902                                     struct deferred_open_record *open_rec);
903 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
904                    const uint8_t *inbuf, char **outbuf,
905                    uint8_t num_words, uint32_t num_bytes);
906 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
907 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
908 void process_smb(struct smbXsrv_connection *xconn,
909                  uint8_t *inbuf, size_t nread, size_t unread_bytes,
910                  uint32_t seqnum, bool encrypted,
911                  struct smb_perfcount_data *deferred_pcd);
912 void smbd_process(struct tevent_context *ev_ctx,
913                   struct messaging_context *msg_ctx,
914                   int sock_fd,
915                   bool interactive);
916 bool valid_smb1_header(const uint8_t *inbuf);
917 bool init_smb1_request(struct smb_request *req,
918                       struct smbd_server_connection *sconn,
919                       struct smbXsrv_connection *xconn,
920                       const uint8_t *inbuf,
921                       size_t unread_bytes, bool encrypted,
922                       uint32_t seqnum);
923
924 /* The following definitions come from smbd/quotas.c  */
925
926 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
927                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
928
929 /* The following definitions come from smbd/smb2_reply.c  */
930
931 NTSTATUS check_path_syntax(char *path);
932 NTSTATUS check_path_syntax_posix(char *path);
933 NTSTATUS check_path_syntax_smb2(char *path, bool dfs_path);
934 size_t srvstr_get_path(TALLOC_CTX *ctx,
935                         const char *inbuf,
936                         uint16_t smb_flags2,
937                         char **pp_dest,
938                         const char *src,
939                         size_t src_len,
940                         int flags,
941                         NTSTATUS *err);
942 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
943                         const char *inbuf,
944                         uint16_t smb_flags2,
945                         char **pp_dest,
946                         const char *src,
947                         size_t src_len,
948                         int flags,
949                         NTSTATUS *err);
950 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
951                            char **pp_dest, const char *src, int flags,
952                            NTSTATUS *err);
953 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
954                               char **dest, const uint8_t *src, int flags);
955 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
956                     files_struct *fsp);
957 bool check_fsp(connection_struct *conn, struct smb_request *req,
958                files_struct *fsp);
959 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
960                               files_struct *fsp);
961 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
962 NTSTATUS unlink_internals(connection_struct *conn,
963                         struct smb_request *req,
964                         uint32_t dirtype,
965                         struct files_struct *dirfsp,
966                         struct smb_filename *smb_fname);
967 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
968                       off_t startpos, size_t nread);
969 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
970                             files_struct *fsp,
971                             ssize_t nread,
972                             size_t headersize,
973                             size_t smb_maxcnt);
974 NTSTATUS rename_internals_fsp(connection_struct *conn,
975                         files_struct *fsp,
976                         struct files_struct *dst_dirfsp,
977                         struct smb_filename *smb_fname_dst_in,
978                         const char *dst_original_lcomp,
979                         uint32_t attrs,
980                         bool replace_if_exists);
981 NTSTATUS rename_internals(TALLOC_CTX *ctx,
982                         connection_struct *conn,
983                         struct smb_request *req,
984                         struct files_struct *src_dirfsp,
985                         struct smb_filename *smb_fname_src,
986                         struct files_struct *dst_dirfsp,
987                         struct smb_filename *smb_fname_dst,
988                         const char *dst_original_lcomp,
989                         uint32_t attrs,
990                         bool replace_if_exists,
991                         uint32_t access_mask);
992 NTSTATUS copy_file(TALLOC_CTX *ctx,
993                         connection_struct *conn,
994                         struct smb_filename *smb_fname_src,
995                         struct smb_filename *smb_fname_dst,
996                         uint32_t new_create_disposition);
997 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
998                          bool large_file_format);
999
1000 /* The following definitions come from smbd/seal.c  */
1001
1002 bool is_encrypted_packet(const uint8_t *inbuf);
1003 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1004 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1005 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1006                             char **buf_out);
1007 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1008                                         unsigned char **ppdata,
1009                                         size_t *p_data_size,
1010                                         unsigned char **pparam,
1011                                         size_t *p_param_size);
1012 NTSTATUS srv_encryption_start(connection_struct *conn);
1013 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1014
1015 /* The following definitions come from smbd/sec_ctx.c  */
1016
1017 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1018 bool push_sec_ctx(void);
1019 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1020 void set_root_sec_ctx(void);
1021 bool pop_sec_ctx(void);
1022 void init_sec_ctx(void);
1023 const struct security_token *sec_ctx_active_token(void);
1024
1025 /* The following definitions come from smbd/server.c  */
1026
1027 struct memcache *smbd_memcache(void);
1028 bool snum_is_shared_printer(int snum);
1029 void delete_and_reload_printers(void);
1030 bool reload_services(struct smbd_server_connection *sconn,
1031                      bool (*snumused) (struct smbd_server_connection *, int),
1032                      bool test);
1033
1034 /* The following definitions come from smbd/server_exit.c  */
1035
1036 void smbd_exit_server(const char *reason) _NORETURN_;
1037 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1038
1039 /* The following definitions come from smbd/smb2_service.c  */
1040
1041 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1042 bool canonicalize_connect_path(connection_struct *conn);
1043 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1044 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1045 bool chdir_current_service(connection_struct *conn);
1046 void load_registry_shares(void);
1047 int add_home_service(const char *service, const char *username, const char *homedir);
1048 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1049 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1050                                         struct smbXsrv_tcon *tcon,
1051                                         int snum,
1052                                         const char *pdev,
1053                                         NTSTATUS *pstatus);
1054 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1055                               connection_struct *conn,
1056                               int snum,
1057                               struct smbXsrv_session *session,
1058                               const char *pdev);
1059 void close_cnum(connection_struct *conn,
1060                 uint64_t vuid,
1061                 enum file_close_type close_type);
1062
1063 /* The following definitions come from smbd/session.c  */
1064 struct sessionid;
1065 struct smbXsrv_session;
1066 bool session_init(void);
1067 bool session_claim(struct smbXsrv_session *session);
1068 void session_yield(struct smbXsrv_session *session);
1069 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1070 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1071                   const char *machine, struct sessionid **session_list);
1072
1073 /* The following definitions come from smbd/share_access.c  */
1074
1075 bool token_contains_name_in_list(const char *username,
1076                                  const char *domain,
1077                                  const char *sharename,
1078                                  const struct security_token *token,
1079                                  const char **list);
1080 bool user_ok_token(const char *username, const char *domain,
1081                    const struct security_token *token, int snum);
1082 bool is_share_read_only_for_token(const char *username,
1083                                   const char *domain,
1084                                   const struct security_token *token,
1085                                   connection_struct *conn);
1086
1087 /* The following definitions come from smbd/srvstr.c  */
1088
1089 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1090                       const char *src, int dest_len, int flags, size_t *ret_len);
1091
1092 /* The following definitions come from smbd/statcache.c  */
1093
1094 void stat_cache_add( const char *full_orig_name,
1095                 const char *translated_path,
1096                 NTTIME twrp,
1097                 bool case_sensitive);
1098 bool stat_cache_lookup(connection_struct *conn,
1099                         char **pp_name,
1100                         char **pp_dirpath,
1101                         char **pp_start,
1102                         NTTIME twrp,
1103                         SMB_STRUCT_STAT *pst);
1104 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1105                                     const char *name);
1106 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1107                                     const char *name);
1108 void stat_cache_delete(const char *name);
1109 bool reset_stat_cache( void );
1110
1111 /* The following definitions come from smbd/statvfs.c  */
1112
1113 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1114
1115 /* The following definitions come from smbd/trans2.c  */
1116
1117 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1118 NTSTATUS check_access_fsp(struct files_struct *fsp,
1119                           uint32_t access_mask);
1120 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1121 bool samba_private_attr_name(const char *unix_ea_name);
1122 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1123                           files_struct *fsp,
1124                           const char *ea_name,
1125                           struct ea_struct *pea);
1126 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1127                         files_struct *fsp,
1128                         char ***pnames,
1129                         size_t *pnum_names);
1130 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1131                 struct ea_list *ea_list);
1132 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1133 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1134                 connection_struct *conn,
1135                 struct smb_request *req,
1136                 bool overwrite_if_exists,
1137                 struct files_struct *old_dirfsp,
1138                 const struct smb_filename *smb_fname_old,
1139                 struct files_struct *new_dirfsp,
1140                 struct smb_filename *smb_fname_new);
1141 NTSTATUS smb_set_file_time(connection_struct *conn,
1142                            files_struct *fsp,
1143                            struct smb_filename *smb_fname,
1144                            struct smb_file_time *ft,
1145                            bool setting_write_time);
1146
1147 enum perm_type {
1148         PERM_NEW_FILE,
1149         PERM_NEW_DIR,
1150         PERM_EXISTING_FILE,
1151         PERM_EXISTING_DIR
1152 };
1153
1154 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1155                               const SMB_STRUCT_STAT *psbuf,
1156                               uint32_t perms,
1157                               enum perm_type ptype,
1158                               mode_t *ret_perms);
1159 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1160                              size_t data_size);
1161 unsigned int estimate_ea_size(files_struct *fsp);
1162 NTSTATUS smb_set_fsquota(connection_struct *conn,
1163                          struct smb_request *req,
1164                          files_struct *fsp,
1165                          const DATA_BLOB *qdata);
1166
1167 /* The following definitions come from smbd/uid.c  */
1168
1169 bool change_to_guest(void);
1170 NTSTATUS check_user_share_access(connection_struct *conn,
1171                                 const struct auth_session_info *session_info,
1172                                 uint32_t *p_share_access,
1173                                 bool *p_readonly_share);
1174 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1175 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1176 bool smbd_change_to_root_user(void);
1177 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1178 bool smbd_unbecome_authenticated_pipe_user(void);
1179 void become_root(void);
1180 void unbecome_root(void);
1181 void smbd_become_root(void);
1182 void smbd_unbecome_root(void);
1183 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1184 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1185 bool become_user_without_service_by_session(connection_struct *conn,
1186                             const struct auth_session_info *session_info);
1187 bool unbecome_user_without_service(void);
1188 uid_t get_current_uid(connection_struct *conn);
1189 gid_t get_current_gid(connection_struct *conn);
1190 const struct security_unix_token *get_current_utok(connection_struct *conn);
1191 const struct security_token *get_current_nttok(connection_struct *conn);
1192
1193 /* The following definitions come from smbd/utmp.c  */
1194
1195 void sys_utmp_claim(const char *username, const char *hostname,
1196                     const char *id_str, int id_num);
1197 void sys_utmp_yield(const char *username, const char *hostname,
1198                     const char *id_str, int id_num);
1199
1200 /* The following definitions come from smbd/vfs.c  */
1201
1202 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1203 bool smbd_vfs_init(connection_struct *conn);
1204 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1205 bool vfs_valid_pread_range(off_t offset, size_t length);
1206 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1207 ssize_t vfs_pwrite_data(struct smb_request *req,
1208                         files_struct *fsp,
1209                         const char *buffer,
1210                         size_t N,
1211                         off_t offset);
1212 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1213 int vfs_set_filelen(files_struct *fsp, off_t len);
1214 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1215 int vfs_fill_sparse(files_struct *fsp, off_t len);
1216 int vfs_set_blocking(files_struct *fsp, bool set);
1217 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1218 const char *vfs_readdirname(connection_struct *conn,
1219                             struct files_struct *dirfsp,
1220                             void *p,
1221                             SMB_STRUCT_STAT *sbuf,
1222                             char **talloced);
1223 int vfs_ChDir(connection_struct *conn,
1224                         const struct smb_filename *smb_fname);
1225 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1226 NTSTATUS check_reduced_name(connection_struct *conn,
1227                         const struct smb_filename *cwd_fname,
1228                         const struct smb_filename *smb_fname);
1229 int vfs_stat(struct connection_struct *conn,
1230              struct smb_filename *smb_fname);
1231 int vfs_stat_smb_basename(struct connection_struct *conn,
1232                         const struct smb_filename *smb_fname_in,
1233                         SMB_STRUCT_STAT *psbuf);
1234 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1235 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1236                         TALLOC_CTX *mem_ctx,
1237                         unsigned int *num_streams,
1238                         struct stream_struct **streams);
1239 void init_smb_file_time(struct smb_file_time *ft);
1240 int vfs_fake_fd(void);
1241 int vfs_fake_fd_close(int fd);
1242
1243 /* The following definitions come from smbd/avahi_register.c */
1244
1245 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1246                            uint16_t port);
1247
1248 /* The following definitions come from smbd/smb2_create.c */
1249
1250 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1251                                     TALLOC_CTX *mem_ctx,
1252                                     DATA_BLOB *cookie_blob);
1253 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1254                                         const DATA_BLOB old_cookie,
1255                                         TALLOC_CTX *mem_ctx,
1256                                         DATA_BLOB *new_cookie);
1257 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1258                                        struct smb_request *smb1req,
1259                                        struct smbXsrv_open *op,
1260                                        const DATA_BLOB old_cookie,
1261                                        TALLOC_CTX *mem_ctx,
1262                                        files_struct **result,
1263                                        DATA_BLOB *new_cookie);
1264
1265 /* The following definitions come from smbd/smb2_posix.c */
1266 ssize_t smb2_posix_cc_info(
1267         connection_struct *conn,
1268         uint32_t reparse_tag,
1269         const SMB_STRUCT_STAT *psbuf,
1270         const struct dom_sid *owner,
1271         const struct dom_sid *group,
1272         uint8_t *buf,
1273         size_t buflen);
1274 ssize_t store_smb2_posix_info(
1275         connection_struct *conn,
1276         const SMB_STRUCT_STAT *psbuf,
1277         uint32_t reparse_tag,
1278         uint32_t dos_attributes,
1279         uint8_t *buf,
1280         size_t buflen);
1281
1282 #endif /* _SMBD_PROTO_H_ */