s3: smbd: Add old_dirfsp and new_dirfsp parameters to hardlink_internals().
[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                               const 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 unix_convert(TALLOC_CTX *ctx,
354                       connection_struct *conn,
355                       const char *orig_path,
356                       NTTIME twrp,
357                       struct smb_filename **smb_fname,
358                       uint32_t ucf_flags);
359 bool extract_snapshot_token(char *fname, NTTIME *twrp);
360 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
361                                     uint32_t ucf_flags,
362                                     NTTIME twrp);
363 NTSTATUS get_real_filename_full_scan(connection_struct *conn,
364                                      const char *path,
365                                      const char *name,
366                                      bool mangled,
367                                      TALLOC_CTX *mem_ctx,
368                                      char **found_name);
369 NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp,
370                                         const char *name,
371                                         bool mangled,
372                                         TALLOC_CTX *mem_ctx,
373                                         char **found_name);
374 char *get_original_lcomp(TALLOC_CTX *ctx,
375                         connection_struct *conn,
376                         const char *filename_in,
377                         uint32_t ucf_flags);
378 NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
379                         connection_struct *conn,
380                         const char *name_in,
381                         uint32_t ucf_flags,
382                         NTTIME twrp,
383                         struct smb_filename **pp_smb_fname);
384 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
385                                            connection_struct *conn,
386                                            const char *name_in,
387                                            uint32_t ucf_flags,
388                                            struct smb_filename **_smb_fname_out,
389                                            char **_mask_out);
390 NTSTATUS get_real_filename_at(struct files_struct *dirfsp,
391                               const char *name,
392                               TALLOC_CTX *mem_ctx,
393                               char **found_name);
394
395 /* The following definitions come from smbd/files.c  */
396
397 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
398                  files_struct **result);
399 void fsp_set_gen_id(files_struct *fsp);
400 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
401                   files_struct **result);
402 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
403 void file_close_conn(connection_struct *conn);
404 bool file_init_global(void);
405 bool file_init(struct smbd_server_connection *sconn);
406 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
407 struct files_struct *files_forall(
408         struct smbd_server_connection *sconn,
409         struct files_struct *(*fn)(struct files_struct *fsp,
410                                    void *private_data),
411         void *private_data);
412 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
413 files_struct *file_find_dif(struct smbd_server_connection *sconn,
414                             struct file_id id, unsigned long gen_id);
415 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
416                                  struct file_id id,
417                                  bool need_fsa);
418 files_struct *file_find_di_next(files_struct *start_fsp,
419                                  bool need_fsa);
420 struct files_struct *file_find_one_fsp_from_lease_key(
421         struct smbd_server_connection *sconn,
422         const struct smb2_lease_key *lease_key);
423 bool file_find_subpath(files_struct *dir_fsp);
424 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
425 void file_free(struct smb_request *req, files_struct *fsp);
426 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
427 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
428                                   uint64_t persistent_id,
429                                   uint64_t volatile_id);
430 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
431                                    uint64_t persistent_id,
432                                    uint64_t volatile_id);
433 NTSTATUS dup_file_fsp(
434         files_struct *from,
435         uint32_t access_mask,
436         files_struct *to);
437 NTSTATUS file_name_hash(connection_struct *conn,
438                         const char *name, uint32_t *p_name_hash);
439 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
440                            const struct smb_filename *smb_fname_in);
441 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
442 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
443 bool fsp_is_alternate_stream(const struct files_struct *fsp);
444 struct files_struct *metadata_fsp(struct files_struct *fsp);
445
446 NTSTATUS create_internal_fsp(connection_struct *conn,
447                              const struct smb_filename *smb_fname,
448                              struct files_struct **_fsp);
449 NTSTATUS create_internal_dirfsp(connection_struct *conn,
450                                 const struct smb_filename *smb_dname,
451                                 struct files_struct **_fsp);
452
453 NTSTATUS open_internal_dirfsp(connection_struct *conn,
454                               const struct smb_filename *smb_dname,
455                               int open_flags,
456                               struct files_struct **_fsp);
457 NTSTATUS openat_internal_dir_from_pathref(
458         struct files_struct *dirfsp,
459         int open_flags,
460         struct files_struct **_fsp);
461
462 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
463                             struct smb_filename *smb_fname);
464 NTSTATUS open_stream_pathref_fsp(
465         struct files_struct **_base_fsp,
466         struct smb_filename *smb_fname);
467 NTSTATUS openat_pathref_dirfsp_nosymlink(
468         TALLOC_CTX *mem_ctx,
469         struct connection_struct *conn,
470         const char *path_in,
471         NTTIME twrp,
472         struct smb_filename **_smb_fname,
473         size_t *unparsed,
474         char **substitute);
475
476 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
477
478 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
479                                  struct smb_filename *smb_fname_src);
480
481 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
482                            struct files_struct *dirfsp,
483                            const char *base_name,
484                            const char *stream_name,
485                            const SMB_STRUCT_STAT *psbuf,
486                            NTTIME twrp,
487                            uint32_t flags,
488                            struct smb_filename **_smb_fname);
489
490 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
491                         struct files_struct *dirfsp,
492                         const struct smb_filename *smb_fname,
493                         struct smb_filename **_parent,
494                         struct smb_filename **_atname);
495
496 /* The following definitions come from smbd/smb2_ipc.c  */
497
498 NTSTATUS nt_status_np_pipe(NTSTATUS status);
499
500 /* The following definitions come from smbd/mangle.c  */
501
502 void mangle_reset_cache(void);
503 void mangle_change_to_posix(void);
504 bool mangle_is_mangled(const char *s, const struct share_params *p);
505 bool mangle_is_8_3(const char *fname, bool check_case,
506                    const struct share_params *p);
507 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
508                              const struct share_params *p);
509 bool mangle_must_mangle(const char *fname,
510                    const struct share_params *p);
511 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
512                         const char *in,
513                         char **out, /* talloced on the given context. */
514                         const struct share_params *p);
515 bool name_to_8_3(const char *in,
516                 char out[13],
517                 bool cache83,
518                 const struct share_params *p);
519
520 /* The following definitions come from smbd/mangle_hash.c  */
521
522 const struct mangle_fns *mangle_hash_init(void);
523
524 /* The following definitions come from smbd/mangle_hash2.c  */
525
526 const struct mangle_fns *mangle_hash2_init(void);
527 const struct mangle_fns *posix_mangle_init(void);
528
529 /* The following definitions come from smbd/msdfs.c  */
530
531 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
532                         bool shuffle_referrals,
533                         const char *target,
534                         struct referral **preflist,
535                         size_t *refcount);
536 bool is_msdfs_link(struct files_struct *dirfsp,
537                    struct smb_filename *smb_fname);
538 struct junction_map;
539 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
540                            struct auth_session_info *session_info,
541                            const char *dfs_path,
542                            const struct tsocket_address *remote_address,
543                            const struct tsocket_address *local_address,
544                            bool allow_broken_path,
545                            struct junction_map *jucn,
546                            int *consumedcntp,
547                            bool *self_referralp);
548 int setup_dfs_referral(connection_struct *orig_conn,
549                         const char *dfs_path,
550                         int max_referral_level,
551                         char **ppdata, NTSTATUS *pstatus);
552 bool create_junction(TALLOC_CTX *ctx,
553                 const char *dfs_path,
554                 bool allow_broken_path,
555                 struct junction_map *jucn);
556 struct referral;
557 char *msdfs_link_string(TALLOC_CTX *ctx,
558                 const struct referral *reflist,
559                 size_t referral_count);
560 bool create_msdfs_link(const struct junction_map *jucn,
561                        struct auth_session_info *session_info);
562 bool remove_msdfs_link(const struct junction_map *jucn,
563                        struct auth_session_info *session_info);
564
565 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
566                                       struct auth_session_info *session_info,
567                                       size_t *p_num_jn);
568 NTSTATUS dfs_redirect(TALLOC_CTX *ctx,
569                         connection_struct *conn,
570                         const char *name_in,
571                         uint32_t ucf_flags,
572                         bool allow_broken_path,
573                         NTTIME *twrp,
574                         char **pp_name_out);
575 struct connection_struct;
576 struct smb_filename;
577
578 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
579                                 struct tevent_context *ev,
580                                 struct messaging_context *msg,
581                                 const struct auth_session_info *session_info,
582                                 int snum,
583                                 const char *path,
584                                 struct connection_struct **c);
585 struct conn_struct_tos {
586         struct connection_struct *conn;
587         struct smb_filename *oldcwd_fname;
588 };
589 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
590                                 int snum,
591                                 const char *path,
592                                 const struct auth_session_info *session_info,
593                                 struct conn_struct_tos **_c);
594 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
595                                     int snum,
596                                     const char *path,
597                                     const struct auth_session_info *session_info,
598                                     struct conn_struct_tos **_c);
599
600 /* The following definitions come from smbd/notify.c  */
601
602 bool change_notify_fsp_has_changes(struct files_struct *fsp);
603 void change_notify_reply(struct smb_request *req,
604                          NTSTATUS error_code,
605                          uint32_t max_param,
606                          struct notify_change_buf *notify_buf,
607                          void (*reply_fn)(struct smb_request *req,
608                                           NTSTATUS error_code,
609                                           uint8_t *buf, size_t len));
610 void notify_callback(struct smbd_server_connection *sconn,
611                      void *private_data, struct timespec when,
612                      const struct notify_event *e);
613 NTSTATUS change_notify_create(struct files_struct *fsp,
614                               uint32_t max_buffer_size,
615                               uint32_t filter,
616                               bool recursive);
617 NTSTATUS change_notify_add_request(struct smb_request *req,
618                                 uint32_t max_param,
619                                 uint32_t filter, bool recursive,
620                                 struct files_struct *fsp,
621                                 void (*reply_fn)(struct smb_request *req,
622                                         NTSTATUS error_code,
623                                         uint8_t *buf, size_t len));
624 void smbd_notify_cancel_deleted(struct messaging_context *msg,
625                                 void *private_data, uint32_t msg_type,
626                                 struct server_id server_id, DATA_BLOB *data);
627 void smbd_notifyd_restarted(struct messaging_context *msg,
628                             void *private_data, uint32_t msg_type,
629                             struct server_id server_id, DATA_BLOB *data);
630 bool remove_pending_change_notify_requests_by_mid(
631         struct smbd_server_connection *sconn, uint64_t mid);
632 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
633                                                   NTSTATUS status);
634 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
635                   const char *path);
636 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
637 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
638                                                      struct tevent_context *ev);
639
640 /* The following definitions come from smbd/notify_inotify.c  */
641
642 int inotify_watch(TALLOC_CTX *mem_ctx,
643                   struct sys_notify_context *ctx,
644                   const char *path,
645                   uint32_t *filter,
646                   uint32_t *subdir_filter,
647                   void (*callback)(struct sys_notify_context *ctx,
648                                    void *private_data,
649                                    struct notify_event *ev,
650                                    uint32_t filter),
651                   void *private_data,
652                   void *handle_p);
653
654 int fam_watch(TALLOC_CTX *mem_ctx,
655               struct sys_notify_context *ctx,
656               const char *path,
657               uint32_t *filter,
658               uint32_t *subdir_filter,
659               void (*callback)(struct sys_notify_context *ctx,
660                                void *private_data,
661                                struct notify_event *ev,
662                                uint32_t filter),
663               void *private_data,
664               void *handle_p);
665
666
667 /* The following definitions come from smbd/notify_internal.c  */
668
669 struct notify_context *notify_init(
670         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
671         struct smbd_server_connection *sconn,
672         void (*callback)(struct smbd_server_connection *sconn,
673                          void *, struct timespec,
674                          const struct notify_event *));
675 NTSTATUS notify_add(struct notify_context *ctx,
676                     const char *path, uint32_t filter, uint32_t subdir_filter,
677                     void *private_data);
678 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
679                        char *path);
680 void notify_trigger(struct notify_context *notify,
681                     uint32_t action, uint32_t filter,
682                     const char *dir, const char *path);
683
684 /* The following definitions come from smbd/ntquotas.c  */
685
686 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
687                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
688 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
689 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
690 void *init_quota_handle(TALLOC_CTX *mem_ctx);
691
692 /* The following definitions come from smbd/smb2_nttrans.c  */
693
694 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
695                        uint32_t security_info_sent);
696 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
697                        uint32_t security_info_sent);
698 NTSTATUS copy_internals(TALLOC_CTX *ctx,
699                         connection_struct *conn,
700                         struct smb_request *req,
701                         struct smb_filename *smb_fname_src,
702                         struct smb_filename *smb_fname_dst,
703                         uint32_t attrs);
704 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
705                                         TALLOC_CTX *mem_ctx,
706                                         files_struct *fsp,
707                                         uint32_t security_info_wanted,
708                                         uint32_t max_data_count,
709                                         uint8_t **ppmarshalled_sd,
710                                         size_t *psd_size);
711 #ifdef HAVE_SYS_QUOTAS
712
713 struct smb2_query_quota_info;
714
715 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
716                                      files_struct *fsp,
717                                      bool restart_scan,
718                                      bool return_single,
719                                      uint32_t sid_list_length,
720                                      DATA_BLOB *sidbuffer,
721                                      uint32_t max_data_count,
722                                      uint8_t **p_data,
723                                      uint32_t *p_data_size);
724 #endif
725
726 /* The following definitions come from smbd/open.c  */
727
728 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
729                                       struct files_struct *fsp,
730                                       bool use_privs,
731                                       uint32_t access_mask);
732 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
733                                 uint32_t access_mask);
734 NTSTATUS fd_openat(const struct files_struct *dirfsp,
735                    struct smb_filename *smb_fname,
736                    files_struct *fsp,
737                    int flags, mode_t mode);
738 NTSTATUS fd_close(files_struct *fsp);
739 bool is_oplock_stat_open(uint32_t access_mask);
740 bool is_lease_stat_open(uint32_t access_mask);
741 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
742                             const struct file_id *id,
743                             const struct share_mode_entry *exclusive,
744                             uint16_t break_to);
745 struct deferred_open_record;
746 bool is_deferred_open_async(const struct deferred_open_record *rec);
747 bool defer_smb1_sharing_violation(struct smb_request *req);
748 NTSTATUS create_directory(connection_struct *conn, struct smb_request *req,
749                           struct smb_filename *smb_dname);
750 void msg_file_was_renamed(struct messaging_context *msg,
751                           void *private_data,
752                           uint32_t msg_type,
753                           struct server_id server_id,
754                           DATA_BLOB *data);
755 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
756                                  const struct smb2_lease_key *key,
757                                  uint32_t current_state,
758                                  uint16_t lease_version,
759                                  uint16_t lease_epoch);
760 NTSTATUS create_file_default(connection_struct *conn,
761                              struct smb_request *req,
762                              struct files_struct *dirfsp,
763                              struct smb_filename * smb_fname,
764                              uint32_t access_mask,
765                              uint32_t share_access,
766                              uint32_t create_disposition,
767                              uint32_t create_options,
768                              uint32_t file_attributes,
769                              uint32_t oplock_request,
770                              const struct smb2_lease *lease,
771                              uint64_t allocation_size,
772                              uint32_t private_flags,
773                              struct security_descriptor *sd,
774                              struct ea_list *ea_list,
775                              files_struct **result,
776                              int *pinfo,
777                              const struct smb2_create_blobs *in_context_blobs,
778                              struct smb2_create_blobs *out_context_blobs);
779
780 /* The following definitions come from smbd/oplock.c  */
781
782 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
783
784 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
785 NTSTATUS set_file_oplock(files_struct *fsp);
786 bool remove_oplock(files_struct *fsp);
787 bool downgrade_oplock(files_struct *fsp);
788 bool fsp_lease_update(struct files_struct *fsp);
789 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
790                         uint32_t num_file_ids,
791                         const struct file_id *ids,
792                         const struct smb2_lease_key *key,
793                         uint32_t lease_state);
794 void contend_level2_oplocks_begin(files_struct *fsp,
795                                   enum level2_contention_type type);
796 void contend_level2_oplocks_end(files_struct *fsp,
797                                 enum level2_contention_type type);
798 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
799                                   enum level2_contention_type type);
800 void smbd_contend_level2_oplocks_end(files_struct *fsp,
801                                 enum level2_contention_type type);
802 void share_mode_entry_to_message(char *msg, const struct file_id *id,
803                                  const struct share_mode_entry *e);
804 void message_to_share_mode_entry(struct file_id *id,
805                                  struct share_mode_entry *e,
806                                  const char *msg);
807 bool init_oplocks(struct smbd_server_connection *sconn);
808 void init_kernel_oplocks(struct smbd_server_connection *sconn);
809
810 /* The following definitions come from smbd/oplock_linux.c  */
811
812 int linux_set_lease_sighandler(int fd);
813 int linux_setlease(int fd, int leasetype);
814 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
815
816 /* The following definitions come from smbd/password.c  */
817
818 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
819 int register_homes_share(const char *username);
820
821 /* The following definitions come from smbd/pipes.c  */
822
823 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
824                       struct files_struct **pfsp);
825
826 /* The following definitions come from smbd/posix_acls.c  */
827
828 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
829 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
830 uint32_t map_canon_ace_perms(int snum,
831                                 enum security_ace_type *pacl_type,
832                                 mode_t perms,
833                                 bool directory_ace);
834 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
835 bool current_user_in_group(connection_struct *conn, gid_t gid);
836 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
837 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
838                            TALLOC_CTX *mem_ctx,
839                            struct security_descriptor **ppdesc);
840 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
841 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
842 int get_acl_group_bits(connection_struct *conn,
843                        struct files_struct *fsp,
844                        mode_t *mode);
845 int inherit_access_posix_acl(connection_struct *conn,
846                              struct files_struct *inherit_from_dirfsp,
847                              const struct smb_filename *smb_fname,
848                              mode_t mode);
849 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
850                                 files_struct *fsp,
851                                 uint16_t num_def_acls, const char *pdata);
852 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
853                                 uint16_t num_acls,
854                                 const char *pdata);
855 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
856                                 const struct smb_filename *smb_fname,
857                                 TALLOC_CTX *mem_ctx,
858                                 char **blob_description,
859                                 DATA_BLOB *blob);
860 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
861                               files_struct *fsp,
862                               TALLOC_CTX *mem_ctx,
863                               char **blob_description,
864                               DATA_BLOB *blob);
865
866 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
867
868 const struct enum_list *get_default_acl_style_list(void);
869
870 NTSTATUS make_default_filesystem_acl(
871         TALLOC_CTX *ctx,
872         enum default_acl_style acl_style,
873         const char *name,
874         const SMB_STRUCT_STAT *psbuf,
875         struct security_descriptor **ppdesc);
876
877 /* The following definitions come from smbd/smb2_process.c  */
878
879 bool smb2_srv_send(struct smbXsrv_connection *xconn, char *buffer,
880                    bool no_signing, uint32_t seqnum,
881                    bool do_encrypt,
882                    struct smb_perfcount_data *pcd);
883 #if !defined(WITH_SMB1SERVER)
884 bool smb1_srv_send(struct smbXsrv_connection *xconn, char *buffer,
885                    bool do_signing, uint32_t seqnum,
886                    bool do_encrypt,
887                    struct smb_perfcount_data *pcd);
888 #endif
889 size_t srv_smb1_set_message(char *buf,
890                        size_t num_words,
891                        size_t num_bytes,
892                        bool zero);
893 NTSTATUS read_packet_remainder(int fd, char *buffer,
894                                unsigned int timeout, ssize_t len);
895 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
896                             struct smbXsrv_connection *xconn,
897                             int sock,
898                             char **buffer, unsigned int timeout,
899                             size_t *p_unread, bool *p_encrypted,
900                             size_t *p_len,
901                             uint32_t *seqnum,
902                             bool trusted_channel);
903 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
904                                       uint64_t mid);
905 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
906                                         uint64_t mid);
907 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
908 bool get_deferred_open_message_state(struct smb_request *smbreq,
909                                 struct timeval *p_request_time,
910                                 struct deferred_open_record **open_rec);
911 bool push_deferred_open_message_smb(struct smb_request *req,
912                                     struct timeval timeout,
913                                     struct file_id id,
914                                     struct deferred_open_record *open_rec);
915 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
916                    const uint8_t *inbuf, char **outbuf,
917                    uint8_t num_words, uint32_t num_bytes);
918 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
919 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
920 void process_smb(struct smbXsrv_connection *xconn,
921                  uint8_t *inbuf, size_t nread, size_t unread_bytes,
922                  uint32_t seqnum, bool encrypted,
923                  struct smb_perfcount_data *deferred_pcd);
924 void smbd_process(struct tevent_context *ev_ctx,
925                   struct messaging_context *msg_ctx,
926                   int sock_fd,
927                   bool interactive);
928 bool valid_smb1_header(const uint8_t *inbuf);
929 bool init_smb1_request(struct smb_request *req,
930                       struct smbd_server_connection *sconn,
931                       struct smbXsrv_connection *xconn,
932                       const uint8_t *inbuf,
933                       size_t unread_bytes, bool encrypted,
934                       uint32_t seqnum);
935
936 /* The following definitions come from smbd/quotas.c  */
937
938 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
939                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
940
941 /* The following definitions come from smbd/smb2_reply.c  */
942
943 NTSTATUS check_path_syntax(char *path);
944 NTSTATUS check_path_syntax_posix(char *path);
945 size_t srvstr_get_path(TALLOC_CTX *ctx,
946                         const char *inbuf,
947                         uint16_t smb_flags2,
948                         char **pp_dest,
949                         const char *src,
950                         size_t src_len,
951                         int flags,
952                         NTSTATUS *err);
953 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
954                         const char *inbuf,
955                         uint16_t smb_flags2,
956                         char **pp_dest,
957                         const char *src,
958                         size_t src_len,
959                         int flags,
960                         NTSTATUS *err);
961 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
962                            char **pp_dest, const char *src, int flags,
963                            NTSTATUS *err);
964 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
965                               char **dest, const uint8_t *src, int flags);
966 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
967                     files_struct *fsp);
968 bool check_fsp(connection_struct *conn, struct smb_request *req,
969                files_struct *fsp);
970 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
971                               files_struct *fsp);
972 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
973 NTSTATUS unlink_internals(connection_struct *conn,
974                         struct smb_request *req,
975                         uint32_t dirtype,
976                         struct files_struct *dirfsp,
977                         struct smb_filename *smb_fname);
978 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
979                       off_t startpos, size_t nread);
980 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
981                             files_struct *fsp,
982                             ssize_t nread,
983                             size_t headersize,
984                             size_t smb_maxcnt);
985 NTSTATUS rename_internals_fsp(connection_struct *conn,
986                         files_struct *fsp,
987                         struct files_struct *dst_dirfsp,
988                         struct smb_filename *smb_fname_dst_in,
989                         const char *dst_original_lcomp,
990                         uint32_t attrs,
991                         bool replace_if_exists);
992 NTSTATUS rename_internals(TALLOC_CTX *ctx,
993                         connection_struct *conn,
994                         struct smb_request *req,
995                         struct files_struct *src_dirfsp,
996                         struct smb_filename *smb_fname_src,
997                         struct files_struct *dst_dirfsp,
998                         struct smb_filename *smb_fname_dst,
999                         const char *dst_original_lcomp,
1000                         uint32_t attrs,
1001                         bool replace_if_exists,
1002                         uint32_t access_mask);
1003 NTSTATUS copy_file(TALLOC_CTX *ctx,
1004                         connection_struct *conn,
1005                         struct smb_filename *smb_fname_src,
1006                         struct smb_filename *smb_fname_dst,
1007                         uint32_t new_create_disposition);
1008 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
1009                          bool large_file_format);
1010
1011 /* The following definitions come from smbd/seal.c  */
1012
1013 bool is_encrypted_packet(const uint8_t *inbuf);
1014 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1015 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1016 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1017                             char **buf_out);
1018 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1019                                         unsigned char **ppdata,
1020                                         size_t *p_data_size,
1021                                         unsigned char **pparam,
1022                                         size_t *p_param_size);
1023 NTSTATUS srv_encryption_start(connection_struct *conn);
1024 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1025
1026 /* The following definitions come from smbd/sec_ctx.c  */
1027
1028 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1029 bool push_sec_ctx(void);
1030 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1031 void set_root_sec_ctx(void);
1032 bool pop_sec_ctx(void);
1033 void init_sec_ctx(void);
1034 const struct security_token *sec_ctx_active_token(void);
1035
1036 /* The following definitions come from smbd/server.c  */
1037
1038 struct memcache *smbd_memcache(void);
1039 bool snum_is_shared_printer(int snum);
1040 void delete_and_reload_printers(void);
1041 bool reload_services(struct smbd_server_connection *sconn,
1042                      bool (*snumused) (struct smbd_server_connection *, int),
1043                      bool test);
1044
1045 /* The following definitions come from smbd/server_exit.c  */
1046
1047 void smbd_exit_server(const char *reason) _NORETURN_;
1048 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1049
1050 /* The following definitions come from smbd/smb2_service.c  */
1051
1052 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1053 bool canonicalize_connect_path(connection_struct *conn);
1054 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1055 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1056 bool chdir_current_service(connection_struct *conn);
1057 void load_registry_shares(void);
1058 int add_home_service(const char *service, const char *username, const char *homedir);
1059 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1060 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1061                                         struct smbXsrv_tcon *tcon,
1062                                         int snum,
1063                                         const char *pdev,
1064                                         NTSTATUS *pstatus);
1065 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1066                               connection_struct *conn,
1067                               int snum,
1068                               struct smbXsrv_session *session,
1069                               const char *pdev);
1070 void close_cnum(connection_struct *conn, uint64_t vuid);
1071
1072 /* The following definitions come from smbd/session.c  */
1073 struct sessionid;
1074 struct smbXsrv_session;
1075 bool session_init(void);
1076 bool session_claim(struct smbXsrv_session *session);
1077 void session_yield(struct smbXsrv_session *session);
1078 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1079 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1080                   const char *machine, struct sessionid **session_list);
1081
1082 /* The following definitions come from smbd/share_access.c  */
1083
1084 bool token_contains_name_in_list(const char *username,
1085                                  const char *domain,
1086                                  const char *sharename,
1087                                  const struct security_token *token,
1088                                  const char **list);
1089 bool user_ok_token(const char *username, const char *domain,
1090                    const struct security_token *token, int snum);
1091 bool is_share_read_only_for_token(const char *username,
1092                                   const char *domain,
1093                                   const struct security_token *token,
1094                                   connection_struct *conn);
1095
1096 /* The following definitions come from smbd/srvstr.c  */
1097
1098 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1099                       const char *src, int dest_len, int flags, size_t *ret_len);
1100
1101 /* The following definitions come from smbd/statcache.c  */
1102
1103 void stat_cache_add( const char *full_orig_name,
1104                 const char *translated_path,
1105                 NTTIME twrp,
1106                 bool case_sensitive);
1107 bool stat_cache_lookup(connection_struct *conn,
1108                         char **pp_name,
1109                         char **pp_dirpath,
1110                         char **pp_start,
1111                         NTTIME twrp,
1112                         SMB_STRUCT_STAT *pst);
1113 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1114                                     const char *name);
1115 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1116                                     const char *name);
1117 void stat_cache_delete(const char *name);
1118 bool reset_stat_cache( void );
1119
1120 /* The following definitions come from smbd/statvfs.c  */
1121
1122 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1123
1124 /* The following definitions come from smbd/trans2.c  */
1125
1126 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1127 NTSTATUS check_access_fsp(struct files_struct *fsp,
1128                           uint32_t access_mask);
1129 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1130 bool samba_private_attr_name(const char *unix_ea_name);
1131 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1132                           files_struct *fsp,
1133                           const char *ea_name,
1134                           struct ea_struct *pea);
1135 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1136                         files_struct *fsp,
1137                         char ***pnames,
1138                         size_t *pnum_names);
1139 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1140                 struct ea_list *ea_list);
1141 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1142 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1143                 connection_struct *conn,
1144                 struct smb_request *req,
1145                 bool overwrite_if_exists,
1146                 struct files_struct *old_dirfsp,
1147                 const struct smb_filename *smb_fname_old,
1148                 struct files_struct *new_dirfsp,
1149                 struct smb_filename *smb_fname_new);
1150 NTSTATUS smb_set_file_time(connection_struct *conn,
1151                            files_struct *fsp,
1152                            struct smb_filename *smb_fname,
1153                            struct smb_file_time *ft,
1154                            bool setting_write_time);
1155
1156 enum perm_type {
1157         PERM_NEW_FILE,
1158         PERM_NEW_DIR,
1159         PERM_EXISTING_FILE,
1160         PERM_EXISTING_DIR
1161 };
1162
1163 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1164                               const SMB_STRUCT_STAT *psbuf,
1165                               uint32_t perms,
1166                               enum perm_type ptype,
1167                               mode_t *ret_perms);
1168 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1169                              size_t data_size);
1170 unsigned int estimate_ea_size(files_struct *fsp);
1171 NTSTATUS smb_set_fsquota(connection_struct *conn,
1172                          struct smb_request *req,
1173                          files_struct *fsp,
1174                          const DATA_BLOB *qdata);
1175
1176 /* The following definitions come from smbd/uid.c  */
1177
1178 bool change_to_guest(void);
1179 NTSTATUS check_user_share_access(connection_struct *conn,
1180                                 const struct auth_session_info *session_info,
1181                                 uint32_t *p_share_access,
1182                                 bool *p_readonly_share);
1183 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1184 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1185 bool smbd_change_to_root_user(void);
1186 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1187 bool smbd_unbecome_authenticated_pipe_user(void);
1188 void become_root(void);
1189 void unbecome_root(void);
1190 void smbd_become_root(void);
1191 void smbd_unbecome_root(void);
1192 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1193 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1194 bool become_user_without_service_by_session(connection_struct *conn,
1195                             const struct auth_session_info *session_info);
1196 bool unbecome_user_without_service(void);
1197 uid_t get_current_uid(connection_struct *conn);
1198 gid_t get_current_gid(connection_struct *conn);
1199 const struct security_unix_token *get_current_utok(connection_struct *conn);
1200 const struct security_token *get_current_nttok(connection_struct *conn);
1201
1202 /* The following definitions come from smbd/utmp.c  */
1203
1204 void sys_utmp_claim(const char *username, const char *hostname,
1205                     const char *id_str, int id_num);
1206 void sys_utmp_yield(const char *username, const char *hostname,
1207                     const char *id_str, int id_num);
1208
1209 /* The following definitions come from smbd/vfs.c  */
1210
1211 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1212 bool smbd_vfs_init(connection_struct *conn);
1213 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1214 bool vfs_valid_pread_range(off_t offset, size_t length);
1215 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1216 ssize_t vfs_pwrite_data(struct smb_request *req,
1217                         files_struct *fsp,
1218                         const char *buffer,
1219                         size_t N,
1220                         off_t offset);
1221 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1222 int vfs_set_filelen(files_struct *fsp, off_t len);
1223 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1224 int vfs_fill_sparse(files_struct *fsp, off_t len);
1225 int vfs_set_blocking(files_struct *fsp, bool set);
1226 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1227 const char *vfs_readdirname(connection_struct *conn,
1228                             struct files_struct *dirfsp,
1229                             void *p,
1230                             SMB_STRUCT_STAT *sbuf,
1231                             char **talloced);
1232 int vfs_ChDir(connection_struct *conn,
1233                         const struct smb_filename *smb_fname);
1234 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1235 NTSTATUS check_reduced_name(connection_struct *conn,
1236                         const struct smb_filename *cwd_fname,
1237                         const struct smb_filename *smb_fname);
1238 int vfs_stat(struct connection_struct *conn,
1239              struct smb_filename *smb_fname);
1240 int vfs_stat_smb_basename(struct connection_struct *conn,
1241                         const struct smb_filename *smb_fname_in,
1242                         SMB_STRUCT_STAT *psbuf);
1243 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1244 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1245                         TALLOC_CTX *mem_ctx,
1246                         unsigned int *num_streams,
1247                         struct stream_struct **streams);
1248 void init_smb_file_time(struct smb_file_time *ft);
1249 int vfs_fake_fd(void);
1250 int vfs_fake_fd_close(int fd);
1251
1252 /* The following definitions come from smbd/avahi_register.c */
1253
1254 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1255                            uint16_t port);
1256
1257 /* The following definitions come from smbd/smb2_create.c */
1258
1259 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1260                                     TALLOC_CTX *mem_ctx,
1261                                     DATA_BLOB *cookie_blob);
1262 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1263                                         const DATA_BLOB old_cookie,
1264                                         TALLOC_CTX *mem_ctx,
1265                                         DATA_BLOB *new_cookie);
1266 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1267                                        struct smb_request *smb1req,
1268                                        struct smbXsrv_open *op,
1269                                        const DATA_BLOB old_cookie,
1270                                        TALLOC_CTX *mem_ctx,
1271                                        files_struct **result,
1272                                        DATA_BLOB *new_cookie);
1273
1274 /* The following definitions come from smbd/smb2_posix.c */
1275 DATA_BLOB smb2_posix_cc_info(TALLOC_CTX *mem_ctx,
1276                                 connection_struct *conn,
1277                                 uint32_t reparse_tag,
1278                                 const SMB_STRUCT_STAT *psbuf);
1279 DATA_BLOB store_smb2_posix_info(TALLOC_CTX *mem_ctx,
1280                                 connection_struct *conn,
1281                                 const SMB_STRUCT_STAT *psbuf,
1282                                 uint32_t reparse_tag,
1283                                 uint32_t dos_attributes);
1284
1285 #endif /* _SMBD_PROTO_H_ */