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 * */
241 /* Version 37 - Add SMB_VFS_OFFLOAD_READ_SEND/RECV */
242 /* Version 37 - Rename SMB_VFS_COPY_CHUNK_SEND/RECV to
243 SMB_VFS_OFFLOAD_READ_SEND/RECV */
245 #define SMB_VFS_INTERFACE_VERSION 37
248 All intercepted VFS operations must be declared as static functions inside module source
249 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
250 example VFS modules for more details.
253 /* VFS operations structure */
255 struct vfs_handle_struct;
256 struct connection_struct;
258 struct security_descriptor;
259 struct vfs_statvfs_struct;
262 struct smb_file_time;
263 struct blocking_lock_record;
265 struct dfs_GetDFSReferral;
267 typedef union unid_t {
275 uint64_t position_information;
277 uint32_t private_options; /* NT Create options, but we only look at
278 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
279 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
280 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
281 * for print files *only*, where
282 * DELETE_ON_CLOSE is not stored in the share
285 unsigned long gen_id;
290 struct smbd_server_connection *sconn;
291 struct tevent_timer *timeout;
292 struct smb2_lease lease;
295 typedef struct files_struct {
296 struct files_struct *next, *prev;
298 struct smbXsrv_open *op;
299 struct connection_struct *conn;
300 struct fd_handle *fh;
301 unsigned int num_smb_operations;
302 struct file_id file_id;
303 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
305 uint64_t vuid; /* SMB2 compat */
306 struct write_cache *wcp;
307 struct timeval open_time;
308 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
309 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
311 bool kernel_share_modes_taken;
313 bool update_write_time_triggered;
314 struct tevent_timer *update_write_time_event;
315 bool update_write_time_on_close;
316 struct timespec close_write_time;
317 bool write_time_forced;
320 struct fsp_lease *lease;
321 int sent_oplock_break;
322 struct tevent_timer *oplock_timeout;
323 struct lock_struct last_lock_failure;
324 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
331 bool aio_write_behind;
332 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
333 bool delete_on_close;
334 uint64_t posix_flags;
336 bool backup_intent; /* Handle was successfully opened with backup intent
337 and opener has privilege to do so. */
338 bool aapl_copyfile_supported;
339 bool use_ofd_locks; /* Are we using open file description locks ? */
340 struct smb_filename *fsp_name;
341 uint32_t name_hash; /* Jenkins hash of full pathname. */
342 uint64_t mid; /* Mid of the operation that created us. */
344 struct vfs_fsp_data *vfs_extension;
345 struct fake_file_handle *fake_file_handle;
347 struct notify_change_buf *notify;
349 struct files_struct *base_fsp; /* placeholder for delete on close */
352 * Read-only cached brlock record, thrown away when the
353 * brlock.tdb seqnum changes. This avoids fetching data from
354 * the brlock.tdb on every read/write call.
357 struct byte_range_lock *brlock_rec;
359 struct dptr_struct *dptr;
361 /* if not NULL, means this is a print file */
362 struct print_file_data *print_file;
364 unsigned num_aio_requests;
365 struct tevent_req **aio_requests;
368 * If a close request comes in while we still have aio_requests
369 * around, we need to hold back the close. When all aio_requests are
370 * done, the aio completion routines need tevent_wait_done() on
371 * this. A bit ugly, but before we have close_file() fully async
372 * possibly the simplest approach. Thanks, Jeremy for the idea.
374 struct tevent_req *deferred_close;
377 #define FSP_POSIX_FLAGS_OPEN 0x01
378 #define FSP_POSIX_FLAGS_RENAME 0x02
379 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
381 #define FSP_POSIX_FLAGS_ALL \
382 (FSP_POSIX_FLAGS_OPEN | \
383 FSP_POSIX_FLAGS_PATHNAMES | \
384 FSP_POSIX_FLAGS_RENAME)
386 struct vuid_cache_entry {
387 struct auth_session_info *session_info;
388 uint64_t vuid; /* SMB2 compat */
390 uint32_t share_access;
394 unsigned int next_entry;
395 struct vuid_cache_entry array[VUID_CACHE_SIZE];
401 } name_compare_entry;
403 struct dfree_cached_info {
404 time_t last_dfree_time;
411 struct share_params {
415 typedef struct connection_struct {
416 struct connection_struct *next, *prev;
417 struct smbd_server_connection *sconn; /* can be NULL */
418 struct smbXsrv_tcon *tcon; /* can be NULL */
419 uint32_t cnum; /* an index passed over the wire */
420 struct share_params *params;
422 struct vuid_cache *vuid_cache;
425 bool read_only; /* Attributes for the current user of the share. */
426 uint32_t share_access;
427 /* Does this filesystem honor
428 sub second timestamps on files
429 and directories when setting time ? */
430 enum timestamp_set_resolution ts_res;
433 struct smb_filename *cwd_fname; /* Working directory. */
435 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
438 * This represents the user information on this connection. Depending
439 * on the vuid using this tid, this might change per SMB request.
441 struct auth_session_info *session_info;
444 * If the "force group" parameter is set, this is the primary gid that
445 * may be used in the users token, depending on the vuid using this tid.
447 gid_t force_group_gid;
449 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
452 time_t lastused_count;
454 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
458 /* Semantics requested by the client or forced by the server config. */
461 bool short_case_preserve;
463 /* Semantics provided by the underlying filesystem. */
465 /* Device number of the directory of the share mount.
466 Used to ensure unique FileIndex returns. */
467 SMB_DEV_T base_share_dev;
469 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
470 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
471 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
472 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
473 struct dfree_cached_info *dfree_info;
474 struct trans_state *pending_trans;
476 struct rpc_pipe_client *spoolss_pipe;
480 struct smbd_smb2_request;
481 struct privilege_paths;
487 uint64_t mid; /* For compatibility with SMB2. */
489 uint64_t vuid; /* For compatibility with SMB2. */
495 const uint8_t *inbuf;
498 * Async handling in the main smb processing loop is directed by
499 * outbuf: reply_xxx routines indicate sync behaviour by putting their
500 * reply into "outbuf". If they leave it as NULL, they take care of it
501 * themselves, possibly later.
503 * If async handling is wanted, the reply_xxx routine must make sure
504 * that it talloc_move()s the smb_req somewhere else.
510 connection_struct *conn;
511 struct smbd_server_connection *sconn;
512 struct smbXsrv_connection *xconn;
513 struct smb_perfcount_data pcd;
516 * Chained request handling
518 struct files_struct *chain_fsp;
521 * state information for async smb handling
526 * Back pointer to smb2 request.
528 struct smbd_smb2_request *smb2req;
531 * Pathnames used if request done
534 struct privilege_paths *priv_paths;
537 * Request list for chained requests, we're part of it.
539 struct smb_request **chain;
541 struct timeval request_time;
543 bool posix_pathnames;
547 * Info about an alternate data stream
550 struct stream_struct {
557 struct smb_file_time {
558 struct timespec mtime;
559 struct timespec atime;
560 struct timespec ctime;
561 struct timespec create_time;
567 struct smb_filename {
570 char *original_lcomp;
576 * smb_filename flags. Define in terms of the FSP_POSIX_FLAGS_XX
577 * to keep the numeric values consistent.
580 #define SMB_FILENAME_POSIX_PATH FSP_POSIX_FLAGS_PATHNAMES
582 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
583 handle = handle->next; \
586 enum vfs_translate_direction {
587 vfs_translate_to_unix = 0,
588 vfs_translate_to_windows
591 enum vfs_fallocate_flags {
592 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
593 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
597 * @VFS_OFFLOAD_WRITE_FL_MUST_CLONE: indicates that offload_write_send_fn() copy must
598 * be handled as a COW clone, AKA reflink.
599 * @VFS_OFFLOAD_WRITE_FL_MASK_ALL: all valid flags.
601 enum vfs_offload_write_flags {
602 VFS_OFFLOAD_WRITE_FL_MUST_CLONE = 0x0001,
603 VFS_OFFLOAD_WRITE_FL_IGNORE_LOCKS = 0x0002,
605 VFS_OFFLOAD_WRITE_FL_MASK_ALL =
606 (VFS_OFFLOAD_WRITE_FL_MUST_CLONE
607 | VFS_OFFLOAD_WRITE_FL_IGNORE_LOCKS),
610 struct vfs_aio_state {
616 Available VFS operations. These values must be in sync with vfs_ops struct
617 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
618 In particular, if new operations are added to vfs_ops, appropriate constants
619 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
621 struct shadow_copy_data;
623 struct vfs_fn_pointers {
624 /* Disk operations */
626 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
627 void (*disconnect_fn)(struct vfs_handle_struct *handle);
628 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle,
629 const struct smb_filename *smb_fname,
633 int (*get_quota_fn)(struct vfs_handle_struct *handle,
634 const struct smb_filename *smb_fname,
635 enum SMB_QUOTA_TYPE qtype,
638 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
639 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
640 int (*statvfs_fn)(struct vfs_handle_struct *handle,
641 const struct smb_filename *smb_fname,
642 struct vfs_statvfs_struct *statbuf);
643 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
646 * Note: that "struct dfs_GetDFSReferral *r"
647 * needs to be a valid TALLOC_CTX
649 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
650 struct dfs_GetDFSReferral *r);
652 /* Directory operations */
654 DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
655 const struct smb_filename *smb_fname,
657 uint32_t attributes);
658 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
659 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
661 SMB_STRUCT_STAT *sbuf);
662 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
663 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
664 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
665 int (*mkdir_fn)(struct vfs_handle_struct *handle,
666 const struct smb_filename *smb_fname,
668 int (*rmdir_fn)(struct vfs_handle_struct *handle,
669 const struct smb_filename *smb_fname);
670 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
671 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
673 /* File operations */
675 int (*open_fn)(struct vfs_handle_struct *handle,
676 struct smb_filename *smb_fname, files_struct *fsp,
677 int flags, mode_t mode);
678 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
679 struct smb_request *req,
680 uint16_t root_dir_fid,
681 struct smb_filename *smb_fname,
682 uint32_t access_mask,
683 uint32_t share_access,
684 uint32_t create_disposition,
685 uint32_t create_options,
686 uint32_t file_attributes,
687 uint32_t oplock_request,
688 struct smb2_lease *lease,
689 uint64_t allocation_size,
690 uint32_t private_flags,
691 struct security_descriptor *sd,
692 struct ea_list *ea_list,
693 files_struct **result,
695 const struct smb2_create_blobs *in_context_blobs,
696 struct smb2_create_blobs *out_context_blobs);
697 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
698 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
699 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
700 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
702 struct tevent_context *ev,
703 struct files_struct *fsp,
705 size_t n, off_t offset);
706 ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
707 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
708 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
709 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
711 struct tevent_context *ev,
712 struct files_struct *fsp,
714 size_t n, off_t offset);
715 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
716 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
717 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
718 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
719 int (*rename_fn)(struct vfs_handle_struct *handle,
720 const struct smb_filename *smb_fname_src,
721 const struct smb_filename *smb_fname_dst);
722 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
723 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
725 struct tevent_context *ev,
726 struct files_struct *fsp);
727 int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
728 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
729 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
730 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
731 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
732 int (*unlink_fn)(struct vfs_handle_struct *handle,
733 const struct smb_filename *smb_fname);
734 int (*chmod_fn)(struct vfs_handle_struct *handle,
735 const struct smb_filename *smb_fname,
737 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
738 int (*chown_fn)(struct vfs_handle_struct *handle,
739 const struct smb_filename *smb_fname,
742 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
743 int (*lchown_fn)(struct vfs_handle_struct *handle,
744 const struct smb_filename *smb_fname,
747 int (*chdir_fn)(struct vfs_handle_struct *handle,
748 const struct smb_filename *smb_fname);
749 struct smb_filename *(*getwd_fn)(struct vfs_handle_struct *handle,
750 TALLOC_CTX *mem_ctx);
751 int (*ntimes_fn)(struct vfs_handle_struct *handle,
752 const struct smb_filename *smb_fname,
753 struct smb_file_time *ft);
754 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
755 int (*fallocate_fn)(struct vfs_handle_struct *handle,
756 struct files_struct *fsp,
760 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
761 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
762 uint32_t share_mode, uint32_t access_mask);
763 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
764 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
765 int (*symlink_fn)(struct vfs_handle_struct *handle,
766 const char *link_contents,
767 const struct smb_filename *new_smb_fname);
768 int (*readlink_fn)(struct vfs_handle_struct *handle,
769 const struct smb_filename *smb_fname,
772 int (*link_fn)(struct vfs_handle_struct *handle,
773 const struct smb_filename *old_smb_fname,
774 const struct smb_filename *new_smb_fname);
775 int (*mknod_fn)(struct vfs_handle_struct *handle,
776 const struct smb_filename *smb_fname,
779 struct smb_filename *(*realpath_fn)(struct vfs_handle_struct *handle,
781 const struct smb_filename *smb_fname);
782 int (*chflags_fn)(struct vfs_handle_struct *handle,
783 const struct smb_filename *smb_fname,
785 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
786 const SMB_STRUCT_STAT *sbuf);
787 struct tevent_req *(*offload_read_send_fn)(TALLOC_CTX *mem_ctx,
788 struct tevent_context *ev,
789 struct vfs_handle_struct *handle,
790 struct files_struct *fsp,
795 NTSTATUS (*offload_read_recv_fn)(struct tevent_req *req,
796 struct vfs_handle_struct *handle,
798 DATA_BLOB *token_blob);
799 struct tevent_req *(*offload_write_send_fn)(struct vfs_handle_struct *handle,
801 struct tevent_context *ev,
804 off_t transfer_offset,
805 struct files_struct *dest_fsp,
809 NTSTATUS (*offload_write_recv_fn)(struct vfs_handle_struct *handle,
810 struct tevent_req *req,
812 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
814 struct files_struct *fsp,
815 struct smb_filename *smb_fname,
816 uint16_t *_compression_fmt);
817 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
819 struct files_struct *fsp,
820 uint16_t compression_fmt);
821 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
823 const char *service_path,
825 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
827 const char *base_volume,
832 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
837 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
838 struct files_struct *fsp,
839 const struct smb_filename *smb_fname,
841 unsigned int *num_streams,
842 struct stream_struct **streams);
844 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
850 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
851 const struct smb_filename *smb_fname);
853 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
854 struct byte_range_lock *br_lck,
855 struct lock_struct *plock,
858 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
859 struct messaging_context *msg_ctx,
860 struct byte_range_lock *br_lck,
861 const struct lock_struct *plock);
863 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
864 struct byte_range_lock *br_lck,
865 struct lock_struct *plock);
867 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
868 struct files_struct *fsp,
869 struct lock_struct *plock);
871 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
872 struct files_struct *fsp,
873 struct lock_struct *plock);
875 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
877 enum vfs_translate_direction direction,
881 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
882 struct files_struct *fsp,
886 const uint8_t *_in_data,
889 uint32_t max_out_len,
892 NTSTATUS (*get_dos_attributes_fn)(struct vfs_handle_struct *handle,
893 struct smb_filename *smb_fname,
896 NTSTATUS (*fget_dos_attributes_fn)(struct vfs_handle_struct *handle,
897 struct files_struct *fsp,
900 NTSTATUS (*set_dos_attributes_fn)(struct vfs_handle_struct *handle,
901 const struct smb_filename *smb_fname,
904 NTSTATUS (*fset_dos_attributes_fn)(struct vfs_handle_struct *hande,
905 struct files_struct *fsp,
908 /* NT ACL operations. */
910 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
911 struct files_struct *fsp,
912 uint32_t security_info,
914 struct security_descriptor **ppdesc);
915 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
916 const struct smb_filename *smb_fname,
917 uint32_t security_info,
919 struct security_descriptor **ppdesc);
920 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
921 struct files_struct *fsp,
922 uint32_t security_info_sent,
923 const struct security_descriptor *psd);
925 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
926 struct smb_filename *file,
927 struct security_acl *sacl,
928 uint32_t access_requested,
929 uint32_t access_denied);
931 /* POSIX ACL operations. */
933 int (*chmod_acl_fn)(struct vfs_handle_struct *handle,
934 const struct smb_filename *smb_fname,
936 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
938 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
939 const struct smb_filename *smb_fname,
941 TALLOC_CTX *mem_ctx);
942 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
943 struct files_struct *fsp,
944 TALLOC_CTX *mem_ctx);
945 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
946 const struct smb_filename *smb_fname,
948 char **blob_description,
950 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
951 TALLOC_CTX *mem_ctx, char **blob_description,
953 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle,
954 const struct smb_filename *smb_fname,
955 SMB_ACL_TYPE_T acltype,
957 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
958 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle,
959 const struct smb_filename *smb_fname);
962 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,
963 const struct smb_filename *smb_fname,
967 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
968 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle,
969 const struct smb_filename *smb_fname,
972 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
973 int (*removexattr_fn)(struct vfs_handle_struct *handle,
974 const struct smb_filename *smb_fname,
976 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
977 int (*setxattr_fn)(struct vfs_handle_struct *handle,
978 const struct smb_filename *smb_fname,
983 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
986 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
988 /* durable handle operations */
989 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
990 struct files_struct *fsp,
993 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
994 struct files_struct *fsp,
995 const DATA_BLOB old_cookie,
997 DATA_BLOB *new_cookie);
998 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
999 struct smb_request *smb1req,
1000 struct smbXsrv_open *op,
1001 const DATA_BLOB old_cookie,
1002 TALLOC_CTX *mem_ctx,
1003 struct files_struct **fsp,
1004 DATA_BLOB *new_cookie);
1006 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
1007 const struct smb_filename *fname,
1008 TALLOC_CTX *mem_ctx,
1009 struct readdir_attr_data **attr_data);
1013 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
1014 which describes all operations this module is willing to intercept.
1015 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
1016 using this information.
1019 typedef struct vfs_handle_struct {
1020 struct vfs_handle_struct *next, *prev;
1022 struct connection_struct *conn;
1023 const struct vfs_fn_pointers *fns;
1025 void (*free_data)(void **data);
1026 } vfs_handle_struct;
1029 typedef struct vfs_statvfs_struct {
1030 /* For undefined recommended transfer size return -1 in that field */
1031 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
1035 The next three fields are in terms of the block size.
1036 (above). If block size is unknown, 4096 would be a
1037 reasonable block size for a server to report.
1038 Note that returning the blocks/blocksavail removes need
1039 to make a second call (to QFSInfo level 0x103 to get this info.
1040 UserBlockAvail is typically less than or equal to BlocksAvail,
1041 if no distinction is made return the same value in each.
1044 uint64_t TotalBlocks;
1045 uint64_t BlocksAvail; /* bfree */
1046 uint64_t UserBlocksAvail; /* bavail */
1048 /* For undefined Node fields or FSID return -1 */
1049 uint64_t TotalFileNodes;
1050 uint64_t FreeFileNodes;
1051 uint64_t FsIdentifier; /* fsid */
1052 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
1053 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
1056 } vfs_statvfs_struct;
1058 /* Add a new FSP extension of the given type. Returns a pointer to the
1061 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
1062 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
1064 /* Return a pointer to the existing FSP extension data. */
1065 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
1066 vfs_fetch_fsp_extension(handle, (fsp))
1068 /* Return the talloc context associated with an FSP extension. */
1069 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
1070 vfs_memctx_fsp_extension(handle, (fsp))
1072 /* Remove and destroy an FSP extension. */
1073 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
1074 vfs_remove_fsp_extension((handle), (fsp))
1076 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
1077 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
1078 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
1083 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
1085 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
1088 if ((handle)->free_data) { \
1089 (handle)->free_data(&(handle)->data); \
1091 (handle)->data = (void *)datap; \
1092 (handle)->free_data = free_fn; \
1096 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
1097 if ((handle) && (handle)->free_data) { \
1098 (handle)->free_data(&(handle)->data); \
1102 /* Check whether module-specific data handle was already allocated or not */
1103 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
1105 #define SMB_VFS_OP(x) ((void *) x)
1107 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
1109 #include "vfs_macros.h"
1111 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1112 const char *service, const char *user);
1113 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
1114 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1115 const struct smb_filename *smb_filename,
1119 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1120 const struct smb_filename *smb_filename,
1121 enum SMB_QUOTA_TYPE qtype,
1123 SMB_DISK_QUOTA *qt);
1124 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1125 enum SMB_QUOTA_TYPE qtype, unid_t id,
1126 SMB_DISK_QUOTA *qt);
1127 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1128 struct files_struct *fsp,
1129 struct shadow_copy_data *shadow_copy_data,
1131 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
1132 const struct smb_filename *smb_fname,
1133 struct vfs_statvfs_struct *statbuf);
1134 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1135 enum timestamp_set_resolution *p_ts_res);
1137 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
1139 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
1140 struct dfs_GetDFSReferral *r);
1141 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1142 const struct smb_filename *smb_fname,
1144 uint32_t attributes);
1145 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1146 struct files_struct *fsp,
1148 uint32_t attributes);
1149 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1151 SMB_STRUCT_STAT *sbuf);
1152 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1153 DIR *dirp, long offset);
1154 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1156 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1158 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
1159 const struct smb_filename *smb_fname,
1161 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
1162 const struct smb_filename *smb_fname);
1163 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1165 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1167 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1168 struct smb_filename *smb_fname, struct files_struct *fsp,
1169 int flags, mode_t mode);
1170 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1171 struct smb_request *req,
1172 uint16_t root_dir_fid,
1173 struct smb_filename *smb_fname,
1174 uint32_t access_mask,
1175 uint32_t share_access,
1176 uint32_t create_disposition,
1177 uint32_t create_options,
1178 uint32_t file_attributes,
1179 uint32_t oplock_request,
1180 struct smb2_lease *lease,
1181 uint64_t allocation_size,
1182 uint32_t private_flags,
1183 struct security_descriptor *sd,
1184 struct ea_list *ea_list,
1185 files_struct **result,
1187 const struct smb2_create_blobs *in_context_blobs,
1188 struct smb2_create_blobs *out_context_blobs);
1189 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1190 struct files_struct *fsp);
1191 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
1192 struct files_struct *fsp, void *data, size_t n);
1193 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1194 struct files_struct *fsp, void *data, size_t n,
1196 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1197 TALLOC_CTX *mem_ctx,
1198 struct tevent_context *ev,
1199 struct files_struct *fsp,
1201 size_t n, off_t offset);
1202 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1204 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1205 struct files_struct *fsp, const void *data,
1207 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1208 struct files_struct *fsp, const void *data,
1209 size_t n, off_t offset);
1210 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1211 TALLOC_CTX *mem_ctx,
1212 struct tevent_context *ev,
1213 struct files_struct *fsp,
1215 size_t n, off_t offset);
1216 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1218 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1219 struct files_struct *fsp, off_t offset,
1221 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1222 files_struct *fromfsp, const DATA_BLOB *header,
1223 off_t offset, size_t count);
1224 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1225 files_struct *tofsp, off_t offset,
1227 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1228 const struct smb_filename *smb_fname_src,
1229 const struct smb_filename *smb_fname_dst);
1230 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1231 struct files_struct *fsp);
1233 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1234 TALLOC_CTX *mem_ctx,
1235 struct tevent_context *ev,
1236 struct files_struct *fsp);
1237 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1239 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1240 struct smb_filename *smb_fname);
1241 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1242 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1243 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1244 struct smb_filename *smb_filename);
1245 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1246 struct files_struct *fsp,
1247 const SMB_STRUCT_STAT *sbuf);
1248 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1249 const struct smb_filename *smb_fname);
1250 int smb_vfs_call_chmod(struct vfs_handle_struct *handle,
1251 const struct smb_filename *smb_fname,
1253 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1254 struct files_struct *fsp, mode_t mode);
1255 int smb_vfs_call_chown(struct vfs_handle_struct *handle,
1256 const struct smb_filename *smb_fname,
1259 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1260 struct files_struct *fsp, uid_t uid, gid_t gid);
1261 int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1262 const struct smb_filename *smb_fname,
1265 int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
1266 const struct smb_filename *smb_fname);
1267 struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
1269 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1270 const struct smb_filename *smb_fname,
1271 struct smb_file_time *ft);
1272 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1273 struct files_struct *fsp, off_t offset);
1274 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1275 struct files_struct *fsp,
1279 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1280 struct files_struct *fsp, int op, off_t offset,
1281 off_t count, int type);
1282 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1283 struct files_struct *fsp, uint32_t share_mode,
1284 uint32_t access_mask);
1285 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1286 struct files_struct *fsp, int leasetype);
1287 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1288 struct files_struct *fsp, off_t *poffset,
1289 off_t *pcount, int *ptype, pid_t *ppid);
1290 int smb_vfs_call_symlink(struct vfs_handle_struct *handle,
1291 const char *link_contents,
1292 const struct smb_filename *new_smb_fname);
1293 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1294 const struct smb_filename *smb_fname,
1297 int smb_vfs_call_link(struct vfs_handle_struct *handle,
1298 const struct smb_filename *old_smb_fname,
1299 const struct smb_filename *new_smb_fname);
1300 int smb_vfs_call_mknod(struct vfs_handle_struct *handle,
1301 const struct smb_filename *smb_fname,
1304 struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
1306 const struct smb_filename *smb_fname);
1307 int smb_vfs_call_chflags(struct vfs_handle_struct *handle,
1308 const struct smb_filename *smb_fname,
1309 unsigned int flags);
1310 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1311 const SMB_STRUCT_STAT *sbuf);
1312 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1313 struct files_struct *fsp,
1314 const struct smb_filename *smb_fname,
1315 TALLOC_CTX *mem_ctx,
1316 unsigned int *num_streams,
1317 struct stream_struct **streams);
1318 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1319 const char *path, const char *name,
1320 TALLOC_CTX *mem_ctx, char **found_name);
1321 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1322 const struct smb_filename *smb_fname);
1323 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1324 struct byte_range_lock *br_lck,
1325 struct lock_struct *plock,
1326 bool blocking_lock);
1327 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1328 struct messaging_context *msg_ctx,
1329 struct byte_range_lock *br_lck,
1330 const struct lock_struct *plock);
1331 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1332 struct byte_range_lock *br_lck,
1333 struct lock_struct *plock);
1334 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1335 struct files_struct *fsp,
1336 struct lock_struct *plock);
1337 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1338 struct files_struct *fsp,
1339 struct lock_struct *plock);
1340 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1342 enum vfs_translate_direction direction,
1343 TALLOC_CTX *mem_ctx,
1344 char **mapped_name);
1345 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1346 struct files_struct *fsp,
1350 const uint8_t *_in_data,
1352 uint8_t **_out_data,
1353 uint32_t max_out_len,
1355 NTSTATUS smb_vfs_call_get_dos_attributes(struct vfs_handle_struct *handle,
1356 struct smb_filename *smb_fname,
1358 NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
1359 struct files_struct *fsp,
1361 NTSTATUS smb_vfs_call_set_dos_attributes(struct vfs_handle_struct *handle,
1362 const struct smb_filename *smb_fname,
1364 NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
1365 struct files_struct *fsp,
1367 struct tevent_req *smb_vfs_call_offload_read_send(
1368 TALLOC_CTX *mem_ctx,
1369 struct tevent_context *ev,
1370 struct vfs_handle_struct *handle,
1371 struct files_struct *fsp,
1376 NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
1377 struct vfs_handle_struct *handle,
1378 TALLOC_CTX *mem_ctx,
1379 DATA_BLOB *token_blob);
1380 struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
1381 TALLOC_CTX *mem_ctx,
1382 struct tevent_context *ev,
1385 off_t transfer_offset,
1386 struct files_struct *dest_fsp,
1390 NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
1391 struct tevent_req *req,
1393 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1394 TALLOC_CTX *mem_ctx,
1395 struct files_struct *fsp,
1396 struct smb_filename *smb_fname,
1397 uint16_t *_compression_fmt);
1398 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1399 TALLOC_CTX *mem_ctx,
1400 struct files_struct *fsp,
1401 uint16_t compression_fmt);
1402 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1403 TALLOC_CTX *mem_ctx,
1404 const char *service_path,
1405 char **base_volume);
1406 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1407 TALLOC_CTX *mem_ctx,
1408 const char *base_volume,
1413 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1414 TALLOC_CTX *mem_ctx,
1417 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1418 struct files_struct *fsp,
1419 uint32_t security_info,
1420 TALLOC_CTX *mem_ctx,
1421 struct security_descriptor **ppdesc);
1422 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1423 const struct smb_filename *smb_fname,
1424 uint32_t security_info,
1425 TALLOC_CTX *mem_ctx,
1426 struct security_descriptor **ppdesc);
1427 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1428 struct files_struct *fsp,
1429 uint32_t security_info_sent,
1430 const struct security_descriptor *psd);
1431 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1432 struct smb_filename *file,
1433 struct security_acl *sacl,
1434 uint32_t access_requested,
1435 uint32_t access_denied);
1436 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
1437 const struct smb_filename *file,
1439 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1440 struct files_struct *fsp, mode_t mode);
1441 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1442 const struct smb_filename *smb_fname,
1443 SMB_ACL_TYPE_T type,
1444 TALLOC_CTX *mem_ctx);
1445 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1446 struct files_struct *fsp,
1447 TALLOC_CTX *mem_ctx);
1448 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1449 const struct smb_filename *smb_fname,
1450 TALLOC_CTX *mem_ctx,
1451 char **blob_description,
1453 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1454 struct files_struct *fsp,
1455 TALLOC_CTX *mem_ctx,
1456 char **blob_description,
1458 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1459 const struct smb_filename *smb_fname,
1460 SMB_ACL_TYPE_T acltype,
1462 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1463 struct files_struct *fsp, SMB_ACL_T theacl);
1464 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1465 const struct smb_filename *smb_fname);
1466 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1467 const struct smb_filename *smb_fname,
1471 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1472 struct files_struct *fsp, const char *name,
1473 void *value, size_t size);
1474 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1475 const struct smb_filename *smb_fname,
1478 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1479 struct files_struct *fsp, char *list,
1481 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1482 const struct smb_filename *smb_fname,
1484 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1485 struct files_struct *fsp, const char *name);
1486 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle,
1487 const struct smb_filename *smb_fname,
1492 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1493 const char *name, const void *value, size_t size,
1495 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1496 struct files_struct *fsp, const char *name,
1497 const void *value, size_t size, int flags);
1498 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1499 struct files_struct *fsp);
1500 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1501 const struct smb_filename *fname,
1502 SMB_STRUCT_STAT *sbuf);
1503 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1504 const struct smb_filename *fname);
1505 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1506 struct files_struct *fsp,
1507 TALLOC_CTX *mem_ctx,
1509 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1510 struct files_struct *fsp,
1511 const DATA_BLOB old_cookie,
1512 TALLOC_CTX *mem_ctx,
1513 DATA_BLOB *new_cookie);
1514 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1515 struct smb_request *smb1req,
1516 struct smbXsrv_open *op,
1517 const DATA_BLOB old_cookie,
1518 TALLOC_CTX *mem_ctx,
1519 struct files_struct **fsp,
1520 DATA_BLOB *new_cookie);
1521 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1522 const struct smb_filename *fname,
1523 TALLOC_CTX *mem_ctx,
1524 struct readdir_attr_data **attr_data);
1526 NTSTATUS smb_register_vfs(int version, const char *name,
1527 const struct vfs_fn_pointers *fns);
1528 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1529 files_struct *fsp, size_t ext_size,
1530 void (*destroy_fn)(void *p_data));
1531 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1532 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1533 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1534 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1536 void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
1537 const char *module);