2 Unix SMB/CIFS implementation.
3 VFS structures and parameters
4 Copyright (C) Jeremy Allison 1999-2005
5 Copyright (C) Tim Potter 1999
6 Copyright (C) Alexander Bokovoy 2002-2005
7 Copyright (C) Stefan (metze) Metzmacher 2003
8 Copyright (C) Volker Lendecke 2009
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 This work was sponsored by Optifacio Software Services, Inc.
29 /* Avoid conflict with an AIX include file */
36 * As we're now (thanks Andrew ! :-) using file_structs and connection
37 * structs in the vfs - then anyone writing a vfs must include includes.h...
41 * This next constant specifies the version number of the VFS interface
42 * this smbd will load. Increment this if *ANY* changes are made to the
45 * If you change anything here, please also update modules/vfs_full_audit.c.
49 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
50 /* Changed to version 3 for POSIX acl extensions. JRA. */
51 /* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
52 /* Changed to version 5 for sendfile addition. JRA. */
53 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
54 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
55 /* Changed to version 8 includes EA calls. JRA. */
56 /* Changed to version 9 to include the get_shadow_data call. --metze */
57 /* Changed to version 10 to include pread/pwrite calls. */
58 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
59 /* Changed to version 12 to add mask and attributes to opendir(). JRA
60 Also include aio calls. JRA. */
61 /* Changed to version 13 as the internal structure of files_struct has changed. JRA */
62 /* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
63 /* Changed to version 15 as we added the statvfs call. JRA */
64 /* Changed to version 16 as we added the getlock call. JRA */
65 /* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
66 /* Changed to version 18 to add fsp parameter to the open call -- jpeach
67 Also include kernel_flock call - jmcd */
68 /* Changed to version 19, kernel change notify has been merged
69 Also included linux setlease call - jmcd */
70 /* Changed to version 20, use ntimes call instead of utime (greater
71 * timestamp resolition. JRA. */
72 /* Changed to version21 to add chflags operation -- jpeach */
73 /* Changed to version22 to add lchown operation -- jra */
74 /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
75 /* Leave at 22 - not yet released. Add file_id_create operation. --metze */
76 /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
77 /* Leave at 22 - not yet released. Added recvfile. */
78 /* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
79 /* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
80 * files_struct. - obnox.*/
81 /* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
82 /* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
83 /* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
84 /* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
85 /* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
86 /* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
87 /* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
88 /* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
89 /* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
90 /* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
91 /* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
92 /* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
93 /* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
94 /* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
95 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
96 /* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
97 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
98 /* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
99 /* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
100 /* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
101 /* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
102 /* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
103 /* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
104 /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
105 /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
106 /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
107 /* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
108 /* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
109 /* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
110 /* Changed to version 23 - remove set_nt_acl call. This can only be done via an
112 /* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
113 /* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
114 /* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
115 /* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
116 /* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
117 /* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
118 /* Leave at 25 - not yet released. Add init_search_op call. - sdann */
119 /* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
120 /* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
121 /* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
122 SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
123 SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES. */
124 /* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
125 * return to fs_capabilities call. JRA. */
126 /* Leave at 27 - not yet released. Add translate_name VFS call to convert
127 UNIX names to Windows supported names -- asrinivasan. */
128 /* Changed to version 28 - Add private_flags uint32_t to CREATE call. */
129 /* Leave at 28 - not yet released. Change realpath to assume NULL and return a
130 malloc'ed path. JRA. */
131 /* Leave at 28 - not yet released. Move posix_fallocate into the VFS
132 where it belongs. JRA. */
133 /* Leave at 28 - not yet released. Rename posix_fallocate to fallocate
134 to split out the two possible uses. JRA. */
135 /* Leave at 28 - not yet released. Add fdopendir. JRA. */
136 /* Leave at 28 - not yet released. Rename open function to open_fn. - gd */
137 /* Leave at 28 - not yet released. Make getwd function always return malloced memory. JRA. */
138 /* Bump to version 29 - Samba 3.6.0 will ship with interface version 28. */
139 /* Leave at 29 - not yet releases. Add fsctl. Richard Sharpe */
140 /* Leave at 29 - not yet released. add SMB_VFS_GET_DFS_REFERRAL() - metze */
141 /* Leave at 29 - not yet released. Remove l{list,get,set,remove}xattr - abartlet */
142 /* Leave at 29 - not yet released. move to plain off_t - abartlet */
143 /* Leave at 29 - not yet released. Remove sys_acl functions other than set and get - abartlet */
144 /* Leave at 29 - not yet released. Added backup_intent bool to files_struct - JRA */
145 /* Leave at 29 - not yet released. Add durable handle functions - metze/obnox */
146 /* Leave at 29 - not yet released. Added sys_acl_blob_get_file and sys_acl_blob_get_fd */
147 /* Bump to version 30 - Samba 4.0.0 will ship with interface version 30 */
148 /* Leave at 30 - not yet released. Added conn->cwd to save vfs_GetWd() calls. */
149 /* Leave at 30 - not yet released. Changed sys_acl_blob_get_file interface to remove type */
150 /* Bump to version 31 - Samba 4.1.0 will ship with interface version 31 */
151 /* Leave at 31 - not yet released. Make struct vuid_cache_entry in
152 connection_struct a pointer. */
153 /* Leave at 31 - not yet released. Add share_access to vuid_cache_entry. */
154 /* Leave at 31 - not yet released. add SMB_VFS_COPY_CHUNK() */
155 /* Leave at 31 - not yet released. Remove the unused
156 fsp->pending_break_messages array */
157 /* Leave at 31 - not yet released. add SMB_VFS_[GET/SET]_COMPRESSION() */
159 /* Bump to version 32 - Samba 4.2 will ship with that. */
160 /* Version 32 - Add "lease" to CREATE_FILE operation */
161 /* Version 32 - Add "lease" to struct files_struct */
162 /* Version 32 - Add SMB_VFS_READDIR_ATTR() */
163 /* Version 32 - Add in and out create context blobs to create_file */
164 /* Version 32 - Remove unnecessary SMB_VFS_DISK_FREE() small_query parameter */
165 /* Bump to version 33 - Samba 4.3 will ship with that. */
166 /* Version 33 - change fallocate mode flags param from enum->uint32_t */
167 /* Version 33 - Add snapshot create/delete calls */
168 /* Version 33 - Add OS X SMB2 AAPL copyfile extension flag to fsp */
169 /* Version 33 - Remove notify_watch_fn */
170 /* Bump to version 34 - Samba 4.4 will ship with that */
171 /* Version 34 - Remove bool posix_open, add uint64_t posix_flags */
172 /* Version 34 - Added bool posix_pathnames to struct smb_request */
173 /* Bump to version 35 - Samba 4.5 will ship with that */
174 /* Version 35 - Change get_nt_acl_fn from const char *, to
175 const struct smb_filename * */
176 /* Version 35 - Change mkdir from const char *, to
177 const struct smb_filename * */
178 /* Version 35 - Change rmdir from const char *, to
179 const struct smb_filename * */
180 /* Version 35 - Change opendir from const char *, to
181 const struct smb_filename * */
182 /* Version 35 - Wrap aio async funtions args in a struct vfs_aio_state */
183 /* Version 35 - Change chmod from const char *, to
184 const struct smb_filename * */
185 /* Version 35 - Change chmod_acl from const char *, to
186 const struct smb_filename * */
187 /* Version 35 - Change chown from const char *, to
188 const struct smb_filename * */
189 /* Version 35 - Change lchown from const char *, to
190 const struct smb_filename * */
191 /* Version 35 - Change streaminfo from const char *, to
192 const struct smb_filename * */
193 /* Version 35 - Add uint32_t flags to struct smb_filename */
194 /* Version 35 - Add get/set/fget/fset dos attribute functions. */
195 /* Version 35 - Add bool use_ofd_locks to struct files_struct */
196 /* Bump to version 36 - Samba 4.6 will ship with that */
197 /* Version 36 - Remove is_offline and set_offline */
198 /* Version 37 - Module init functions now take a TALLOC_CTX * parameter. */
199 /* Version 37 - Add vfs_copy_chunk_flags for DUP_EXTENTS_TO_FILE */
200 /* Version 37 - Change sys_acl_delete_def_file from const char *
201 to const struct smb_filename * */
202 /* Version 37 - Change sys_acl_get_file from const char *
203 to const struct smb_filename * */
204 /* Version 37 - Change sys_acl_blob_get_file from const char *
205 to const struct smb_filename * */
206 /* Version 37 - Change sys_acl_set_file from const char *
207 to const struct smb_filename * */
208 /* Version 37 - Change listxattr from const char *
209 to const struct smb_filename * */
210 /* Version 37 - Change removexattr from const char *
211 to const struct smb_filename * */
212 /* Version 37 - Change setxattr from const char *
213 to const struct smb_filename * */
214 /* Version 37 - Change getxattr from const char *
215 to const struct smb_filename * */
216 /* Version 37 - Change mknod from const char * to const struct smb_filename * */
217 /* Version 37 - Change chflags from const char *
218 to const struct smb_filename * */
219 /* Version 37 - Change disk_free from const char *
220 to const struct smb_filename * */
221 /* Version 37 - Change get_quota from const char *
222 to const struct smb_filename * */
223 /* Version 37 - Change link from const char *
224 to const struct smb_filename * */
225 /* Version 37 - Change statvfs from const char *
226 to const struct smb_filename * */
227 /* Version 37 - Change readlink from const char *
228 to const struct smb_filename * */
229 /* Version 37 - Change symlink from const char *
230 to const struct smb_filename * */
231 /* Version 37 - Change chdir from const char *
232 to const struct smb_filename * */
233 /* Version 37 - Change getwd from char *
234 to const struct smb_filename * */
235 /* Version 37 - Change conn->cwd from char *
236 to struct smb_filename * */
237 /* Version 37 - Change realpath from char *
238 to struct smb_filename * */
239 /* Version 37 - Change connectpath from char *
240 to struct smb_filename * */
242 #define SMB_VFS_INTERFACE_VERSION 37
245 All intercepted VFS operations must be declared as static functions inside module source
246 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
247 example VFS modules for more details.
250 /* VFS operations structure */
252 struct vfs_handle_struct;
253 struct connection_struct;
255 struct security_descriptor;
256 struct vfs_statvfs_struct;
259 struct smb_file_time;
260 struct blocking_lock_record;
262 struct dfs_GetDFSReferral;
264 typedef union unid_t {
272 uint64_t position_information;
274 uint32_t private_options; /* NT Create options, but we only look at
275 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
276 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
277 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
278 * for print files *only*, where
279 * DELETE_ON_CLOSE is not stored in the share
282 unsigned long gen_id;
287 struct smbd_server_connection *sconn;
288 struct tevent_timer *timeout;
289 struct smb2_lease lease;
292 typedef struct files_struct {
293 struct files_struct *next, *prev;
295 struct smbXsrv_open *op;
296 struct connection_struct *conn;
297 struct fd_handle *fh;
298 unsigned int num_smb_operations;
299 struct file_id file_id;
300 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
302 uint64_t vuid; /* SMB2 compat */
303 struct write_cache *wcp;
304 struct timeval open_time;
305 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
306 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
308 bool kernel_share_modes_taken;
310 bool update_write_time_triggered;
311 struct tevent_timer *update_write_time_event;
312 bool update_write_time_on_close;
313 struct timespec close_write_time;
314 bool write_time_forced;
317 struct fsp_lease *lease;
318 int sent_oplock_break;
319 struct tevent_timer *oplock_timeout;
320 struct lock_struct last_lock_failure;
321 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
328 bool aio_write_behind;
329 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
330 bool delete_on_close;
331 uint64_t posix_flags;
333 bool backup_intent; /* Handle was successfully opened with backup intent
334 and opener has privilege to do so. */
335 bool aapl_copyfile_supported;
336 bool use_ofd_locks; /* Are we using open file description locks ? */
337 struct smb_filename *fsp_name;
338 uint32_t name_hash; /* Jenkins hash of full pathname. */
339 uint64_t mid; /* Mid of the operation that created us. */
341 struct vfs_fsp_data *vfs_extension;
342 struct fake_file_handle *fake_file_handle;
344 struct notify_change_buf *notify;
346 struct files_struct *base_fsp; /* placeholder for delete on close */
349 * Read-only cached brlock record, thrown away when the
350 * brlock.tdb seqnum changes. This avoids fetching data from
351 * the brlock.tdb on every read/write call.
354 struct byte_range_lock *brlock_rec;
356 struct dptr_struct *dptr;
358 /* if not NULL, means this is a print file */
359 struct print_file_data *print_file;
361 unsigned num_aio_requests;
362 struct tevent_req **aio_requests;
365 * If a close request comes in while we still have aio_requests
366 * around, we need to hold back the close. When all aio_requests are
367 * done, the aio completion routines need tevent_wait_done() on
368 * this. A bit ugly, but before we have close_file() fully async
369 * possibly the simplest approach. Thanks, Jeremy for the idea.
371 struct tevent_req *deferred_close;
374 #define FSP_POSIX_FLAGS_OPEN 0x01
375 #define FSP_POSIX_FLAGS_RENAME 0x02
376 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
378 #define FSP_POSIX_FLAGS_ALL \
379 (FSP_POSIX_FLAGS_OPEN | \
380 FSP_POSIX_FLAGS_PATHNAMES | \
381 FSP_POSIX_FLAGS_RENAME)
383 struct vuid_cache_entry {
384 struct auth_session_info *session_info;
385 uint64_t vuid; /* SMB2 compat */
387 uint32_t share_access;
391 unsigned int next_entry;
392 struct vuid_cache_entry array[VUID_CACHE_SIZE];
398 } name_compare_entry;
400 struct dfree_cached_info {
401 time_t last_dfree_time;
408 struct share_params {
412 typedef struct connection_struct {
413 struct connection_struct *next, *prev;
414 struct smbd_server_connection *sconn; /* can be NULL */
415 struct smbXsrv_tcon *tcon; /* can be NULL */
416 uint32_t cnum; /* an index passed over the wire */
417 struct share_params *params;
419 struct vuid_cache *vuid_cache;
422 bool read_only; /* Attributes for the current user of the share. */
423 uint32_t share_access;
424 /* Does this filesystem honor
425 sub second timestamps on files
426 and directories when setting time ? */
427 enum timestamp_set_resolution ts_res;
430 struct smb_filename *cwd_fname; /* Working directory. */
432 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
435 * This represents the user information on this connection. Depending
436 * on the vuid using this tid, this might change per SMB request.
438 struct auth_session_info *session_info;
441 * If the "force group" parameter is set, this is the primary gid that
442 * may be used in the users token, depending on the vuid using this tid.
444 gid_t force_group_gid;
446 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
449 time_t lastused_count;
451 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
455 /* Semantics requested by the client or forced by the server config. */
458 bool short_case_preserve;
460 /* Semantics provided by the underlying filesystem. */
462 /* Device number of the directory of the share mount.
463 Used to ensure unique FileIndex returns. */
464 SMB_DEV_T base_share_dev;
466 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
467 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
468 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
469 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
470 struct dfree_cached_info *dfree_info;
471 struct trans_state *pending_trans;
473 struct rpc_pipe_client *spoolss_pipe;
477 struct smbd_smb2_request;
478 struct privilege_paths;
484 uint64_t mid; /* For compatibility with SMB2. */
486 uint64_t vuid; /* For compatibility with SMB2. */
492 const uint8_t *inbuf;
495 * Async handling in the main smb processing loop is directed by
496 * outbuf: reply_xxx routines indicate sync behaviour by putting their
497 * reply into "outbuf". If they leave it as NULL, they take care of it
498 * themselves, possibly later.
500 * If async handling is wanted, the reply_xxx routine must make sure
501 * that it talloc_move()s the smb_req somewhere else.
507 connection_struct *conn;
508 struct smbd_server_connection *sconn;
509 struct smbXsrv_connection *xconn;
510 struct smb_perfcount_data pcd;
513 * Chained request handling
515 struct files_struct *chain_fsp;
518 * state information for async smb handling
523 * Back pointer to smb2 request.
525 struct smbd_smb2_request *smb2req;
528 * Pathnames used if request done
531 struct privilege_paths *priv_paths;
534 * Request list for chained requests, we're part of it.
536 struct smb_request **chain;
538 struct timeval request_time;
540 bool posix_pathnames;
544 * Info about an alternate data stream
547 struct stream_struct {
554 struct smb_file_time {
555 struct timespec mtime;
556 struct timespec atime;
557 struct timespec ctime;
558 struct timespec create_time;
564 struct smb_filename {
567 char *original_lcomp;
573 * smb_filename flags. Define in terms of the FSP_POSIX_FLAGS_XX
574 * to keep the numeric values consistent.
577 #define SMB_FILENAME_POSIX_PATH FSP_POSIX_FLAGS_PATHNAMES
579 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
580 handle = handle->next; \
583 enum vfs_translate_direction {
584 vfs_translate_to_unix = 0,
585 vfs_translate_to_windows
588 enum vfs_fallocate_flags {
589 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
590 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
594 * @VFS_COPY_CHUNK_FL_MUST_CLONE: indicates that copy_chunk_send_fn() copy must
595 * be handled as a COW clone, AKA reflink.
596 * @VFS_COPY_CHUNK_FL_MASK_ALL: all valid copychunk flags.
598 enum vfs_copy_chunk_flags {
599 VFS_COPY_CHUNK_FL_MUST_CLONE = 0x0001,
600 VFS_COPY_CHUNK_FL_IGNORE_LOCKS = 0x0002,
602 VFS_COPY_CHUNK_FL_MASK_ALL =
603 (VFS_COPY_CHUNK_FL_MUST_CLONE
604 | VFS_COPY_CHUNK_FL_IGNORE_LOCKS),
607 struct vfs_aio_state {
613 Available VFS operations. These values must be in sync with vfs_ops struct
614 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
615 In particular, if new operations are added to vfs_ops, appropriate constants
616 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
618 struct shadow_copy_data;
620 struct vfs_fn_pointers {
621 /* Disk operations */
623 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
624 void (*disconnect_fn)(struct vfs_handle_struct *handle);
625 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle,
626 const struct smb_filename *smb_fname,
630 int (*get_quota_fn)(struct vfs_handle_struct *handle,
631 const struct smb_filename *smb_fname,
632 enum SMB_QUOTA_TYPE qtype,
635 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
636 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
637 int (*statvfs_fn)(struct vfs_handle_struct *handle,
638 const struct smb_filename *smb_fname,
639 struct vfs_statvfs_struct *statbuf);
640 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
643 * Note: that "struct dfs_GetDFSReferral *r"
644 * needs to be a valid TALLOC_CTX
646 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
647 struct dfs_GetDFSReferral *r);
649 /* Directory operations */
651 DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
652 const struct smb_filename *smb_fname,
654 uint32_t attributes);
655 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
656 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
658 SMB_STRUCT_STAT *sbuf);
659 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
660 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
661 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
662 int (*mkdir_fn)(struct vfs_handle_struct *handle,
663 const struct smb_filename *smb_fname,
665 int (*rmdir_fn)(struct vfs_handle_struct *handle,
666 const struct smb_filename *smb_fname);
667 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
668 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
670 /* File operations */
672 int (*open_fn)(struct vfs_handle_struct *handle,
673 struct smb_filename *smb_fname, files_struct *fsp,
674 int flags, mode_t mode);
675 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
676 struct smb_request *req,
677 uint16_t root_dir_fid,
678 struct smb_filename *smb_fname,
679 uint32_t access_mask,
680 uint32_t share_access,
681 uint32_t create_disposition,
682 uint32_t create_options,
683 uint32_t file_attributes,
684 uint32_t oplock_request,
685 struct smb2_lease *lease,
686 uint64_t allocation_size,
687 uint32_t private_flags,
688 struct security_descriptor *sd,
689 struct ea_list *ea_list,
690 files_struct **result,
692 const struct smb2_create_blobs *in_context_blobs,
693 struct smb2_create_blobs *out_context_blobs);
694 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
695 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
696 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
697 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
699 struct tevent_context *ev,
700 struct files_struct *fsp,
702 size_t n, off_t offset);
703 ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
704 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
705 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
706 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
708 struct tevent_context *ev,
709 struct files_struct *fsp,
711 size_t n, off_t offset);
712 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
713 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
714 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
715 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
716 int (*rename_fn)(struct vfs_handle_struct *handle,
717 const struct smb_filename *smb_fname_src,
718 const struct smb_filename *smb_fname_dst);
719 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
720 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
722 struct tevent_context *ev,
723 struct files_struct *fsp);
724 int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
725 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
726 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
727 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
728 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
729 int (*unlink_fn)(struct vfs_handle_struct *handle,
730 const struct smb_filename *smb_fname);
731 int (*chmod_fn)(struct vfs_handle_struct *handle,
732 const struct smb_filename *smb_fname,
734 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
735 int (*chown_fn)(struct vfs_handle_struct *handle,
736 const struct smb_filename *smb_fname,
739 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
740 int (*lchown_fn)(struct vfs_handle_struct *handle,
741 const struct smb_filename *smb_fname,
744 int (*chdir_fn)(struct vfs_handle_struct *handle,
745 const struct smb_filename *smb_fname);
746 struct smb_filename *(*getwd_fn)(struct vfs_handle_struct *handle,
747 TALLOC_CTX *mem_ctx);
748 int (*ntimes_fn)(struct vfs_handle_struct *handle,
749 const struct smb_filename *smb_fname,
750 struct smb_file_time *ft);
751 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
752 int (*fallocate_fn)(struct vfs_handle_struct *handle,
753 struct files_struct *fsp,
757 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
758 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
759 uint32_t share_mode, uint32_t access_mask);
760 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
761 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
762 int (*symlink_fn)(struct vfs_handle_struct *handle,
763 const char *link_contents,
764 const struct smb_filename *new_smb_fname);
765 int (*readlink_fn)(struct vfs_handle_struct *handle,
766 const struct smb_filename *smb_fname,
769 int (*link_fn)(struct vfs_handle_struct *handle,
770 const struct smb_filename *old_smb_fname,
771 const struct smb_filename *new_smb_fname);
772 int (*mknod_fn)(struct vfs_handle_struct *handle,
773 const struct smb_filename *smb_fname,
776 struct smb_filename *(*realpath_fn)(struct vfs_handle_struct *handle,
778 const struct smb_filename *smb_fname);
779 int (*chflags_fn)(struct vfs_handle_struct *handle,
780 const struct smb_filename *smb_fname,
782 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
783 const SMB_STRUCT_STAT *sbuf);
784 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
786 struct tevent_context *ev,
787 struct files_struct *src_fsp,
789 struct files_struct *dest_fsp,
793 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
794 struct tevent_req *req,
796 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
798 struct files_struct *fsp,
799 struct smb_filename *smb_fname,
800 uint16_t *_compression_fmt);
801 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
803 struct files_struct *fsp,
804 uint16_t compression_fmt);
805 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
807 const char *service_path,
809 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
811 const char *base_volume,
816 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
821 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
822 struct files_struct *fsp,
823 const struct smb_filename *smb_fname,
825 unsigned int *num_streams,
826 struct stream_struct **streams);
828 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
834 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
835 const struct smb_filename *smb_fname);
837 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
838 struct byte_range_lock *br_lck,
839 struct lock_struct *plock,
842 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
843 struct messaging_context *msg_ctx,
844 struct byte_range_lock *br_lck,
845 const struct lock_struct *plock);
847 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
848 struct byte_range_lock *br_lck,
849 struct lock_struct *plock);
851 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
852 struct files_struct *fsp,
853 struct lock_struct *plock);
855 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
856 struct files_struct *fsp,
857 struct lock_struct *plock);
859 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
861 enum vfs_translate_direction direction,
865 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
866 struct files_struct *fsp,
870 const uint8_t *_in_data,
873 uint32_t max_out_len,
876 NTSTATUS (*get_dos_attributes_fn)(struct vfs_handle_struct *handle,
877 struct smb_filename *smb_fname,
880 NTSTATUS (*fget_dos_attributes_fn)(struct vfs_handle_struct *handle,
881 struct files_struct *fsp,
884 NTSTATUS (*set_dos_attributes_fn)(struct vfs_handle_struct *handle,
885 const struct smb_filename *smb_fname,
888 NTSTATUS (*fset_dos_attributes_fn)(struct vfs_handle_struct *hande,
889 struct files_struct *fsp,
892 /* NT ACL operations. */
894 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
895 struct files_struct *fsp,
896 uint32_t security_info,
898 struct security_descriptor **ppdesc);
899 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
900 const struct smb_filename *smb_fname,
901 uint32_t security_info,
903 struct security_descriptor **ppdesc);
904 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
905 struct files_struct *fsp,
906 uint32_t security_info_sent,
907 const struct security_descriptor *psd);
909 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
910 struct smb_filename *file,
911 struct security_acl *sacl,
912 uint32_t access_requested,
913 uint32_t access_denied);
915 /* POSIX ACL operations. */
917 int (*chmod_acl_fn)(struct vfs_handle_struct *handle,
918 const struct smb_filename *smb_fname,
920 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
922 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
923 const struct smb_filename *smb_fname,
925 TALLOC_CTX *mem_ctx);
926 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
927 struct files_struct *fsp,
928 TALLOC_CTX *mem_ctx);
929 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
930 const struct smb_filename *smb_fname,
932 char **blob_description,
934 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
935 TALLOC_CTX *mem_ctx, char **blob_description,
937 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle,
938 const struct smb_filename *smb_fname,
939 SMB_ACL_TYPE_T acltype,
941 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
942 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle,
943 const struct smb_filename *smb_fname);
946 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,
947 const struct smb_filename *smb_fname,
951 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
952 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle,
953 const struct smb_filename *smb_fname,
956 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
957 int (*removexattr_fn)(struct vfs_handle_struct *handle,
958 const struct smb_filename *smb_fname,
960 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
961 int (*setxattr_fn)(struct vfs_handle_struct *handle,
962 const struct smb_filename *smb_fname,
967 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
970 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
972 /* durable handle operations */
973 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
974 struct files_struct *fsp,
977 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
978 struct files_struct *fsp,
979 const DATA_BLOB old_cookie,
981 DATA_BLOB *new_cookie);
982 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
983 struct smb_request *smb1req,
984 struct smbXsrv_open *op,
985 const DATA_BLOB old_cookie,
987 struct files_struct **fsp,
988 DATA_BLOB *new_cookie);
990 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
991 const struct smb_filename *fname,
993 struct readdir_attr_data **attr_data);
997 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
998 which describes all operations this module is willing to intercept.
999 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
1000 using this information.
1003 typedef struct vfs_handle_struct {
1004 struct vfs_handle_struct *next, *prev;
1006 struct connection_struct *conn;
1007 const struct vfs_fn_pointers *fns;
1009 void (*free_data)(void **data);
1010 } vfs_handle_struct;
1013 typedef struct vfs_statvfs_struct {
1014 /* For undefined recommended transfer size return -1 in that field */
1015 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
1019 The next three fields are in terms of the block size.
1020 (above). If block size is unknown, 4096 would be a
1021 reasonable block size for a server to report.
1022 Note that returning the blocks/blocksavail removes need
1023 to make a second call (to QFSInfo level 0x103 to get this info.
1024 UserBlockAvail is typically less than or equal to BlocksAvail,
1025 if no distinction is made return the same value in each.
1028 uint64_t TotalBlocks;
1029 uint64_t BlocksAvail; /* bfree */
1030 uint64_t UserBlocksAvail; /* bavail */
1032 /* For undefined Node fields or FSID return -1 */
1033 uint64_t TotalFileNodes;
1034 uint64_t FreeFileNodes;
1035 uint64_t FsIdentifier; /* fsid */
1036 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
1037 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
1040 } vfs_statvfs_struct;
1042 /* Add a new FSP extension of the given type. Returns a pointer to the
1045 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
1046 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
1048 /* Return a pointer to the existing FSP extension data. */
1049 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
1050 vfs_fetch_fsp_extension(handle, (fsp))
1052 /* Return the talloc context associated with an FSP extension. */
1053 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
1054 vfs_memctx_fsp_extension(handle, (fsp))
1056 /* Remove and destroy an FSP extension. */
1057 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
1058 vfs_remove_fsp_extension((handle), (fsp))
1060 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
1061 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
1062 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
1067 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
1069 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
1072 if ((handle)->free_data) { \
1073 (handle)->free_data(&(handle)->data); \
1075 (handle)->data = (void *)datap; \
1076 (handle)->free_data = free_fn; \
1080 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
1081 if ((handle) && (handle)->free_data) { \
1082 (handle)->free_data(&(handle)->data); \
1086 /* Check whether module-specific data handle was already allocated or not */
1087 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
1089 #define SMB_VFS_OP(x) ((void *) x)
1091 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
1093 #include "vfs_macros.h"
1095 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1096 const char *service, const char *user);
1097 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
1098 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1099 const struct smb_filename *smb_filename,
1103 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1104 const struct smb_filename *smb_filename,
1105 enum SMB_QUOTA_TYPE qtype,
1107 SMB_DISK_QUOTA *qt);
1108 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1109 enum SMB_QUOTA_TYPE qtype, unid_t id,
1110 SMB_DISK_QUOTA *qt);
1111 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1112 struct files_struct *fsp,
1113 struct shadow_copy_data *shadow_copy_data,
1115 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
1116 const struct smb_filename *smb_fname,
1117 struct vfs_statvfs_struct *statbuf);
1118 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1119 enum timestamp_set_resolution *p_ts_res);
1121 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
1123 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
1124 struct dfs_GetDFSReferral *r);
1125 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1126 const struct smb_filename *smb_fname,
1128 uint32_t attributes);
1129 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1130 struct files_struct *fsp,
1132 uint32_t attributes);
1133 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1135 SMB_STRUCT_STAT *sbuf);
1136 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1137 DIR *dirp, long offset);
1138 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1140 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1142 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
1143 const struct smb_filename *smb_fname,
1145 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
1146 const struct smb_filename *smb_fname);
1147 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1149 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1151 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1152 struct smb_filename *smb_fname, struct files_struct *fsp,
1153 int flags, mode_t mode);
1154 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1155 struct smb_request *req,
1156 uint16_t root_dir_fid,
1157 struct smb_filename *smb_fname,
1158 uint32_t access_mask,
1159 uint32_t share_access,
1160 uint32_t create_disposition,
1161 uint32_t create_options,
1162 uint32_t file_attributes,
1163 uint32_t oplock_request,
1164 struct smb2_lease *lease,
1165 uint64_t allocation_size,
1166 uint32_t private_flags,
1167 struct security_descriptor *sd,
1168 struct ea_list *ea_list,
1169 files_struct **result,
1171 const struct smb2_create_blobs *in_context_blobs,
1172 struct smb2_create_blobs *out_context_blobs);
1173 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1174 struct files_struct *fsp);
1175 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
1176 struct files_struct *fsp, void *data, size_t n);
1177 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1178 struct files_struct *fsp, void *data, size_t n,
1180 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1181 TALLOC_CTX *mem_ctx,
1182 struct tevent_context *ev,
1183 struct files_struct *fsp,
1185 size_t n, off_t offset);
1186 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1188 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1189 struct files_struct *fsp, const void *data,
1191 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1192 struct files_struct *fsp, const void *data,
1193 size_t n, off_t offset);
1194 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1195 TALLOC_CTX *mem_ctx,
1196 struct tevent_context *ev,
1197 struct files_struct *fsp,
1199 size_t n, off_t offset);
1200 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1202 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1203 struct files_struct *fsp, off_t offset,
1205 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1206 files_struct *fromfsp, const DATA_BLOB *header,
1207 off_t offset, size_t count);
1208 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1209 files_struct *tofsp, off_t offset,
1211 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1212 const struct smb_filename *smb_fname_src,
1213 const struct smb_filename *smb_fname_dst);
1214 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1215 struct files_struct *fsp);
1217 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1218 TALLOC_CTX *mem_ctx,
1219 struct tevent_context *ev,
1220 struct files_struct *fsp);
1221 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1223 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1224 struct smb_filename *smb_fname);
1225 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1226 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1227 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1228 struct smb_filename *smb_filename);
1229 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1230 struct files_struct *fsp,
1231 const SMB_STRUCT_STAT *sbuf);
1232 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1233 const struct smb_filename *smb_fname);
1234 int smb_vfs_call_chmod(struct vfs_handle_struct *handle,
1235 const struct smb_filename *smb_fname,
1237 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1238 struct files_struct *fsp, mode_t mode);
1239 int smb_vfs_call_chown(struct vfs_handle_struct *handle,
1240 const struct smb_filename *smb_fname,
1243 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1244 struct files_struct *fsp, uid_t uid, gid_t gid);
1245 int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1246 const struct smb_filename *smb_fname,
1249 int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
1250 const struct smb_filename *smb_fname);
1251 struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
1253 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1254 const struct smb_filename *smb_fname,
1255 struct smb_file_time *ft);
1256 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1257 struct files_struct *fsp, off_t offset);
1258 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1259 struct files_struct *fsp,
1263 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1264 struct files_struct *fsp, int op, off_t offset,
1265 off_t count, int type);
1266 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1267 struct files_struct *fsp, uint32_t share_mode,
1268 uint32_t access_mask);
1269 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1270 struct files_struct *fsp, int leasetype);
1271 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1272 struct files_struct *fsp, off_t *poffset,
1273 off_t *pcount, int *ptype, pid_t *ppid);
1274 int smb_vfs_call_symlink(struct vfs_handle_struct *handle,
1275 const char *link_contents,
1276 const struct smb_filename *new_smb_fname);
1277 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1278 const struct smb_filename *smb_fname,
1281 int smb_vfs_call_link(struct vfs_handle_struct *handle,
1282 const struct smb_filename *old_smb_fname,
1283 const struct smb_filename *new_smb_fname);
1284 int smb_vfs_call_mknod(struct vfs_handle_struct *handle,
1285 const struct smb_filename *smb_fname,
1288 struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
1290 const struct smb_filename *smb_fname);
1291 int smb_vfs_call_chflags(struct vfs_handle_struct *handle,
1292 const struct smb_filename *smb_fname,
1293 unsigned int flags);
1294 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1295 const SMB_STRUCT_STAT *sbuf);
1296 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1297 struct files_struct *fsp,
1298 const struct smb_filename *smb_fname,
1299 TALLOC_CTX *mem_ctx,
1300 unsigned int *num_streams,
1301 struct stream_struct **streams);
1302 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1303 const char *path, const char *name,
1304 TALLOC_CTX *mem_ctx, char **found_name);
1305 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1306 const struct smb_filename *smb_fname);
1307 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1308 struct byte_range_lock *br_lck,
1309 struct lock_struct *plock,
1310 bool blocking_lock);
1311 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1312 struct messaging_context *msg_ctx,
1313 struct byte_range_lock *br_lck,
1314 const struct lock_struct *plock);
1315 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1316 struct byte_range_lock *br_lck,
1317 struct lock_struct *plock);
1318 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1319 struct files_struct *fsp,
1320 struct lock_struct *plock);
1321 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1322 struct files_struct *fsp,
1323 struct lock_struct *plock);
1324 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1326 enum vfs_translate_direction direction,
1327 TALLOC_CTX *mem_ctx,
1328 char **mapped_name);
1329 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1330 struct files_struct *fsp,
1334 const uint8_t *_in_data,
1336 uint8_t **_out_data,
1337 uint32_t max_out_len,
1339 NTSTATUS smb_vfs_call_get_dos_attributes(struct vfs_handle_struct *handle,
1340 struct smb_filename *smb_fname,
1342 NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
1343 struct files_struct *fsp,
1345 NTSTATUS smb_vfs_call_set_dos_attributes(struct vfs_handle_struct *handle,
1346 const struct smb_filename *smb_fname,
1348 NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
1349 struct files_struct *fsp,
1351 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1352 TALLOC_CTX *mem_ctx,
1353 struct tevent_context *ev,
1354 struct files_struct *src_fsp,
1356 struct files_struct *dest_fsp,
1360 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1361 struct tevent_req *req,
1363 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1364 TALLOC_CTX *mem_ctx,
1365 struct files_struct *fsp,
1366 struct smb_filename *smb_fname,
1367 uint16_t *_compression_fmt);
1368 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1369 TALLOC_CTX *mem_ctx,
1370 struct files_struct *fsp,
1371 uint16_t compression_fmt);
1372 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1373 TALLOC_CTX *mem_ctx,
1374 const char *service_path,
1375 char **base_volume);
1376 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1377 TALLOC_CTX *mem_ctx,
1378 const char *base_volume,
1383 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1384 TALLOC_CTX *mem_ctx,
1387 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1388 struct files_struct *fsp,
1389 uint32_t security_info,
1390 TALLOC_CTX *mem_ctx,
1391 struct security_descriptor **ppdesc);
1392 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1393 const struct smb_filename *smb_fname,
1394 uint32_t security_info,
1395 TALLOC_CTX *mem_ctx,
1396 struct security_descriptor **ppdesc);
1397 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1398 struct files_struct *fsp,
1399 uint32_t security_info_sent,
1400 const struct security_descriptor *psd);
1401 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1402 struct smb_filename *file,
1403 struct security_acl *sacl,
1404 uint32_t access_requested,
1405 uint32_t access_denied);
1406 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
1407 const struct smb_filename *file,
1409 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1410 struct files_struct *fsp, mode_t mode);
1411 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1412 const struct smb_filename *smb_fname,
1413 SMB_ACL_TYPE_T type,
1414 TALLOC_CTX *mem_ctx);
1415 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1416 struct files_struct *fsp,
1417 TALLOC_CTX *mem_ctx);
1418 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1419 const struct smb_filename *smb_fname,
1420 TALLOC_CTX *mem_ctx,
1421 char **blob_description,
1423 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1424 struct files_struct *fsp,
1425 TALLOC_CTX *mem_ctx,
1426 char **blob_description,
1428 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1429 const struct smb_filename *smb_fname,
1430 SMB_ACL_TYPE_T acltype,
1432 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1433 struct files_struct *fsp, SMB_ACL_T theacl);
1434 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1435 const struct smb_filename *smb_fname);
1436 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1437 const struct smb_filename *smb_fname,
1441 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1442 struct files_struct *fsp, const char *name,
1443 void *value, size_t size);
1444 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1445 const struct smb_filename *smb_fname,
1448 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1449 struct files_struct *fsp, char *list,
1451 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1452 const struct smb_filename *smb_fname,
1454 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1455 struct files_struct *fsp, const char *name);
1456 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle,
1457 const struct smb_filename *smb_fname,
1462 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1463 const char *name, const void *value, size_t size,
1465 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1466 struct files_struct *fsp, const char *name,
1467 const void *value, size_t size, int flags);
1468 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1469 struct files_struct *fsp);
1470 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1471 const struct smb_filename *fname,
1472 SMB_STRUCT_STAT *sbuf);
1473 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1474 const struct smb_filename *fname);
1475 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1476 struct files_struct *fsp,
1477 TALLOC_CTX *mem_ctx,
1479 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1480 struct files_struct *fsp,
1481 const DATA_BLOB old_cookie,
1482 TALLOC_CTX *mem_ctx,
1483 DATA_BLOB *new_cookie);
1484 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1485 struct smb_request *smb1req,
1486 struct smbXsrv_open *op,
1487 const DATA_BLOB old_cookie,
1488 TALLOC_CTX *mem_ctx,
1489 struct files_struct **fsp,
1490 DATA_BLOB *new_cookie);
1491 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1492 const struct smb_filename *fname,
1493 TALLOC_CTX *mem_ctx,
1494 struct readdir_attr_data **attr_data);
1496 NTSTATUS smb_register_vfs(int version, const char *name,
1497 const struct vfs_fn_pointers *fns);
1498 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1499 files_struct *fsp, size_t ext_size,
1500 void (*destroy_fn)(void *p_data));
1501 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1502 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1503 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1504 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1506 void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
1507 const char *module);