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 * */
181 #define SMB_VFS_INTERFACE_VERSION 35
184 All intercepted VFS operations must be declared as static functions inside module source
185 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
186 example VFS modules for more details.
189 /* VFS operations structure */
191 struct vfs_handle_struct;
192 struct connection_struct;
194 struct security_descriptor;
195 struct vfs_statvfs_struct;
198 struct smb_file_time;
199 struct blocking_lock_record;
201 struct dfs_GetDFSReferral;
203 typedef union unid_t {
211 uint64_t position_information;
213 uint32_t private_options; /* NT Create options, but we only look at
214 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
215 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
216 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
217 * for print files *only*, where
218 * DELETE_ON_CLOSE is not stored in the share
221 unsigned long gen_id;
226 struct smbd_server_connection *sconn;
227 struct tevent_timer *timeout;
228 struct smb2_lease lease;
231 typedef struct files_struct {
232 struct files_struct *next, *prev;
234 struct smbXsrv_open *op;
235 struct connection_struct *conn;
236 struct fd_handle *fh;
237 unsigned int num_smb_operations;
238 struct file_id file_id;
239 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
241 uint64_t vuid; /* SMB2 compat */
242 struct write_cache *wcp;
243 struct timeval open_time;
244 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
245 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
247 bool update_write_time_triggered;
248 struct tevent_timer *update_write_time_event;
249 bool update_write_time_on_close;
250 struct timespec close_write_time;
251 bool write_time_forced;
254 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
255 int sent_oplock_break;
256 struct tevent_timer *oplock_timeout;
257 struct lock_struct last_lock_failure;
258 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
265 bool aio_write_behind;
266 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
267 bool delete_on_close;
268 uint64_t posix_flags;
270 bool backup_intent; /* Handle was successfully opened with backup intent
271 and opener has privilege to do so. */
272 bool aapl_copyfile_supported;
273 struct smb_filename *fsp_name;
274 uint32_t name_hash; /* Jenkins hash of full pathname. */
275 uint64_t mid; /* Mid of the operation that created us. */
277 struct vfs_fsp_data *vfs_extension;
278 struct fake_file_handle *fake_file_handle;
280 struct notify_change_buf *notify;
282 struct files_struct *base_fsp; /* placeholder for delete on close */
285 * Read-only cached brlock record, thrown away when the
286 * brlock.tdb seqnum changes. This avoids fetching data from
287 * the brlock.tdb on every read/write call.
290 struct byte_range_lock *brlock_rec;
292 struct dptr_struct *dptr;
294 /* if not NULL, means this is a print file */
295 struct print_file_data *print_file;
297 unsigned num_aio_requests;
298 struct tevent_req **aio_requests;
301 * If a close request comes in while we still have aio_requests
302 * around, we need to hold back the close. When all aio_requests are
303 * done, the aio completion routines need tevent_wait_done() on
304 * this. A bit ugly, but before we have close_file() fully async
305 * possibly the simplest approach. Thanks, Jeremy for the idea.
307 struct tevent_req *deferred_close;
310 #define FSP_POSIX_FLAGS_OPEN 0x01
311 #define FSP_POSIX_FLAGS_RENAME 0x02
312 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
314 #define FSP_POSIX_FLAGS_ALL \
315 (FSP_POSIX_FLAGS_OPEN | \
316 FSP_POSIX_FLAGS_PATHNAMES | \
317 FSP_POSIX_FLAGS_RENAME)
319 struct vuid_cache_entry {
320 struct auth_session_info *session_info;
321 uint64_t vuid; /* SMB2 compat */
323 uint32_t share_access;
327 unsigned int next_entry;
328 struct vuid_cache_entry array[VUID_CACHE_SIZE];
334 } name_compare_entry;
336 struct dfree_cached_info {
337 time_t last_dfree_time;
344 struct share_params {
348 typedef struct connection_struct {
349 struct connection_struct *next, *prev;
350 struct smbd_server_connection *sconn; /* can be NULL */
351 struct smbXsrv_tcon *tcon; /* can be NULL */
352 uint32_t cnum; /* an index passed over the wire */
353 struct share_params *params;
355 struct vuid_cache *vuid_cache;
358 bool read_only; /* Attributes for the current user of the share. */
359 uint32_t share_access;
360 /* Does this filesystem honor
361 sub second timestamps on files
362 and directories when setting time ? */
363 enum timestamp_set_resolution ts_res;
366 char *cwd; /* Working directory. */
368 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
371 * This represents the user information on this connection. Depending
372 * on the vuid using this tid, this might change per SMB request.
374 struct auth_session_info *session_info;
377 * If the "force group" parameter is set, this is the primary gid that
378 * may be used in the users token, depending on the vuid using this tid.
380 gid_t force_group_gid;
382 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
385 time_t lastused_count;
387 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
391 /* Semantics requested by the client or forced by the server config. */
394 bool short_case_preserve;
396 /* Semantics provided by the underlying filesystem. */
398 /* Device number of the directory of the share mount.
399 Used to ensure unique FileIndex returns. */
400 SMB_DEV_T base_share_dev;
402 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
403 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
404 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
405 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
406 struct dfree_cached_info *dfree_info;
407 struct trans_state *pending_trans;
409 struct rpc_pipe_client *spoolss_pipe;
413 struct smbd_smb2_request;
414 struct privilege_paths;
420 uint64_t mid; /* For compatibility with SMB2. */
422 uint64_t vuid; /* For compatibility with SMB2. */
428 const uint8_t *inbuf;
431 * Async handling in the main smb processing loop is directed by
432 * outbuf: reply_xxx routines indicate sync behaviour by putting their
433 * reply into "outbuf". If they leave it as NULL, they take care of it
434 * themselves, possibly later.
436 * If async handling is wanted, the reply_xxx routine must make sure
437 * that it talloc_move()s the smb_req somewhere else.
443 connection_struct *conn;
444 struct smbd_server_connection *sconn;
445 struct smbXsrv_connection *xconn;
446 struct smb_perfcount_data pcd;
449 * Chained request handling
451 struct files_struct *chain_fsp;
454 * state information for async smb handling
459 * Back pointer to smb2 request.
461 struct smbd_smb2_request *smb2req;
464 * Pathnames used if request done
467 struct privilege_paths *priv_paths;
470 * Request list for chained requests, we're part of it.
472 struct smb_request **chain;
474 struct timeval request_time;
476 bool posix_pathnames;
480 * Info about an alternate data stream
483 struct stream_struct {
490 struct smb_file_time {
491 struct timespec mtime;
492 struct timespec atime;
493 struct timespec ctime;
494 struct timespec create_time;
500 struct smb_filename {
503 char *original_lcomp;
507 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
508 handle = handle->next; \
511 enum vfs_translate_direction {
512 vfs_translate_to_unix = 0,
513 vfs_translate_to_windows
516 enum vfs_fallocate_flags {
517 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
518 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
522 Available VFS operations. These values must be in sync with vfs_ops struct
523 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
524 In particular, if new operations are added to vfs_ops, appropriate constants
525 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
527 struct shadow_copy_data;
529 struct vfs_fn_pointers {
530 /* Disk operations */
532 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
533 void (*disconnect_fn)(struct vfs_handle_struct *handle);
534 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
535 uint64_t *dfree, uint64_t *dsize);
536 int (*get_quota_fn)(struct vfs_handle_struct *handle, const char *path,
537 enum SMB_QUOTA_TYPE qtype, unid_t id,
539 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
540 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
541 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
542 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
545 * Note: that "struct dfs_GetDFSReferral *r"
546 * needs to be a valid TALLOC_CTX
548 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
549 struct dfs_GetDFSReferral *r);
551 /* Directory operations */
553 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32_t attributes);
554 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
555 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
557 SMB_STRUCT_STAT *sbuf);
558 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
559 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
560 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
561 int (*mkdir_fn)(struct vfs_handle_struct *handle,
562 const struct smb_filename *smb_fname,
564 int (*rmdir_fn)(struct vfs_handle_struct *handle,
565 const struct smb_filename *smb_fname);
566 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
567 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
569 /* File operations */
571 int (*open_fn)(struct vfs_handle_struct *handle,
572 struct smb_filename *smb_fname, files_struct *fsp,
573 int flags, mode_t mode);
574 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
575 struct smb_request *req,
576 uint16_t root_dir_fid,
577 struct smb_filename *smb_fname,
578 uint32_t access_mask,
579 uint32_t share_access,
580 uint32_t create_disposition,
581 uint32_t create_options,
582 uint32_t file_attributes,
583 uint32_t oplock_request,
584 struct smb2_lease *lease,
585 uint64_t allocation_size,
586 uint32_t private_flags,
587 struct security_descriptor *sd,
588 struct ea_list *ea_list,
589 files_struct **result,
591 const struct smb2_create_blobs *in_context_blobs,
592 struct smb2_create_blobs *out_context_blobs);
593 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
594 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
595 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
596 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
598 struct tevent_context *ev,
599 struct files_struct *fsp,
601 size_t n, off_t offset);
602 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
603 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
604 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
605 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
607 struct tevent_context *ev,
608 struct files_struct *fsp,
610 size_t n, off_t offset);
611 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
612 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
613 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
614 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
615 int (*rename_fn)(struct vfs_handle_struct *handle,
616 const struct smb_filename *smb_fname_src,
617 const struct smb_filename *smb_fname_dst);
618 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
619 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
621 struct tevent_context *ev,
622 struct files_struct *fsp);
623 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
624 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
625 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
626 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
627 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
628 int (*unlink_fn)(struct vfs_handle_struct *handle,
629 const struct smb_filename *smb_fname);
630 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
631 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
632 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
633 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
634 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
635 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
636 char *(*getwd_fn)(struct vfs_handle_struct *handle);
637 int (*ntimes_fn)(struct vfs_handle_struct *handle,
638 const struct smb_filename *smb_fname,
639 struct smb_file_time *ft);
640 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
641 int (*fallocate_fn)(struct vfs_handle_struct *handle,
642 struct files_struct *fsp,
646 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
647 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
648 uint32_t share_mode, uint32_t access_mask);
649 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
650 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
651 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
652 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
653 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
654 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
655 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
656 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
657 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
658 const SMB_STRUCT_STAT *sbuf);
659 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
661 struct tevent_context *ev,
662 struct files_struct *src_fsp,
664 struct files_struct *dest_fsp,
667 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
668 struct tevent_req *req,
670 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
672 struct files_struct *fsp,
673 struct smb_filename *smb_fname,
674 uint16_t *_compression_fmt);
675 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
677 struct files_struct *fsp,
678 uint16_t compression_fmt);
679 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
681 const char *service_path,
683 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
685 const char *base_volume,
690 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
695 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
696 struct files_struct *fsp,
699 unsigned int *num_streams,
700 struct stream_struct **streams);
702 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
708 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
709 const char *filename);
711 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
712 struct byte_range_lock *br_lck,
713 struct lock_struct *plock,
716 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
717 struct messaging_context *msg_ctx,
718 struct byte_range_lock *br_lck,
719 const struct lock_struct *plock);
721 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
722 struct byte_range_lock *br_lck,
723 struct lock_struct *plock);
725 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
726 struct files_struct *fsp,
727 struct lock_struct *plock);
729 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
730 struct files_struct *fsp,
731 struct lock_struct *plock);
733 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
735 enum vfs_translate_direction direction,
739 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
740 struct files_struct *fsp,
744 const uint8_t *_in_data,
747 uint32_t max_out_len,
750 /* NT ACL operations. */
752 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
753 struct files_struct *fsp,
754 uint32_t security_info,
756 struct security_descriptor **ppdesc);
757 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
758 const struct smb_filename *smb_fname,
759 uint32_t security_info,
761 struct security_descriptor **ppdesc);
762 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
763 struct files_struct *fsp,
764 uint32_t security_info_sent,
765 const struct security_descriptor *psd);
767 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
768 struct smb_filename *file,
769 struct security_acl *sacl,
770 uint32_t access_requested,
771 uint32_t access_denied);
773 /* POSIX ACL operations. */
775 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
776 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
778 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
781 TALLOC_CTX *mem_ctx);
782 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
783 struct files_struct *fsp,
784 TALLOC_CTX *mem_ctx);
785 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
788 char **blob_description,
790 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
791 TALLOC_CTX *mem_ctx, char **blob_description,
793 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
794 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
795 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
798 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
799 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
800 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
801 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
802 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
803 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
804 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
805 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
808 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
810 /* offline operations */
811 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
812 const struct smb_filename *fname,
813 SMB_STRUCT_STAT *sbuf);
814 int (*set_offline_fn)(struct vfs_handle_struct *handle,
815 const struct smb_filename *fname);
817 /* durable handle operations */
818 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
819 struct files_struct *fsp,
822 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
823 struct files_struct *fsp,
824 const DATA_BLOB old_cookie,
826 DATA_BLOB *new_cookie);
827 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
828 struct smb_request *smb1req,
829 struct smbXsrv_open *op,
830 const DATA_BLOB old_cookie,
832 struct files_struct **fsp,
833 DATA_BLOB *new_cookie);
835 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
836 const struct smb_filename *fname,
838 struct readdir_attr_data **attr_data);
842 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
843 which describes all operations this module is willing to intercept.
844 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
845 using this information.
848 typedef struct vfs_handle_struct {
849 struct vfs_handle_struct *next, *prev;
851 struct connection_struct *conn;
852 const struct vfs_fn_pointers *fns;
854 void (*free_data)(void **data);
858 typedef struct vfs_statvfs_struct {
859 /* For undefined recommended transfer size return -1 in that field */
860 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
864 The next three fields are in terms of the block size.
865 (above). If block size is unknown, 4096 would be a
866 reasonable block size for a server to report.
867 Note that returning the blocks/blocksavail removes need
868 to make a second call (to QFSInfo level 0x103 to get this info.
869 UserBlockAvail is typically less than or equal to BlocksAvail,
870 if no distinction is made return the same value in each.
873 uint64_t TotalBlocks;
874 uint64_t BlocksAvail; /* bfree */
875 uint64_t UserBlocksAvail; /* bavail */
877 /* For undefined Node fields or FSID return -1 */
878 uint64_t TotalFileNodes;
879 uint64_t FreeFileNodes;
880 uint64_t FsIdentifier; /* fsid */
881 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
882 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
885 } vfs_statvfs_struct;
887 /* Add a new FSP extension of the given type. Returns a pointer to the
890 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
891 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
893 /* Return a pointer to the existing FSP extension data. */
894 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
895 vfs_fetch_fsp_extension(handle, (fsp))
897 /* Return the talloc context associated with an FSP extension. */
898 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
899 vfs_memctx_fsp_extension(handle, (fsp))
901 /* Remove and destroy an FSP extension. */
902 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
903 vfs_remove_fsp_extension((handle), (fsp))
905 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
906 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
907 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
912 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
914 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
917 if ((handle)->free_data) { \
918 (handle)->free_data(&(handle)->data); \
920 (handle)->data = (void *)datap; \
921 (handle)->free_data = free_fn; \
925 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
926 if ((handle) && (handle)->free_data) { \
927 (handle)->free_data(&(handle)->data); \
931 /* Check whether module-specific data handle was already allocated or not */
932 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
934 #define SMB_VFS_OP(x) ((void *) x)
936 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
938 #include "vfs_macros.h"
940 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
941 const char *service, const char *user);
942 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
943 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
944 const char *path, uint64_t *bsize,
945 uint64_t *dfree, uint64_t *dsize);
946 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle, const char *path,
947 enum SMB_QUOTA_TYPE qtype, unid_t id,
949 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
950 enum SMB_QUOTA_TYPE qtype, unid_t id,
952 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
953 struct files_struct *fsp,
954 struct shadow_copy_data *shadow_copy_data,
956 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
957 struct vfs_statvfs_struct *statbuf);
958 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
959 enum timestamp_set_resolution *p_ts_res);
961 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
963 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
964 struct dfs_GetDFSReferral *r);
965 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
966 const char *fname, const char *mask,
967 uint32_t attributes);
968 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
969 struct files_struct *fsp,
971 uint32_t attributes);
972 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
974 SMB_STRUCT_STAT *sbuf);
975 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
976 DIR *dirp, long offset);
977 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
979 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
981 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
982 const struct smb_filename *smb_fname,
984 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
985 const struct smb_filename *smb_fname);
986 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
988 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
990 int smb_vfs_call_open(struct vfs_handle_struct *handle,
991 struct smb_filename *smb_fname, struct files_struct *fsp,
992 int flags, mode_t mode);
993 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
994 struct smb_request *req,
995 uint16_t root_dir_fid,
996 struct smb_filename *smb_fname,
997 uint32_t access_mask,
998 uint32_t share_access,
999 uint32_t create_disposition,
1000 uint32_t create_options,
1001 uint32_t file_attributes,
1002 uint32_t oplock_request,
1003 struct smb2_lease *lease,
1004 uint64_t allocation_size,
1005 uint32_t private_flags,
1006 struct security_descriptor *sd,
1007 struct ea_list *ea_list,
1008 files_struct **result,
1010 const struct smb2_create_blobs *in_context_blobs,
1011 struct smb2_create_blobs *out_context_blobs);
1012 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1013 struct files_struct *fsp);
1014 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
1015 struct files_struct *fsp, void *data, size_t n);
1016 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1017 struct files_struct *fsp, void *data, size_t n,
1019 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1020 TALLOC_CTX *mem_ctx,
1021 struct tevent_context *ev,
1022 struct files_struct *fsp,
1024 size_t n, off_t offset);
1025 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
1027 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1028 struct files_struct *fsp, const void *data,
1030 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1031 struct files_struct *fsp, const void *data,
1032 size_t n, off_t offset);
1033 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1034 TALLOC_CTX *mem_ctx,
1035 struct tevent_context *ev,
1036 struct files_struct *fsp,
1038 size_t n, off_t offset);
1039 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
1041 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1042 struct files_struct *fsp, off_t offset,
1044 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1045 files_struct *fromfsp, const DATA_BLOB *header,
1046 off_t offset, size_t count);
1047 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1048 files_struct *tofsp, off_t offset,
1050 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1051 const struct smb_filename *smb_fname_src,
1052 const struct smb_filename *smb_fname_dst);
1053 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1054 struct files_struct *fsp);
1056 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1057 TALLOC_CTX *mem_ctx,
1058 struct tevent_context *ev,
1059 struct files_struct *fsp);
1060 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
1062 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1063 struct smb_filename *smb_fname);
1064 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1065 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1066 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1067 struct smb_filename *smb_filename);
1068 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1069 struct files_struct *fsp,
1070 const SMB_STRUCT_STAT *sbuf);
1071 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1072 const struct smb_filename *smb_fname);
1073 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1075 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1076 struct files_struct *fsp, mode_t mode);
1077 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1078 uid_t uid, gid_t gid);
1079 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1080 struct files_struct *fsp, uid_t uid, gid_t gid);
1081 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1082 uid_t uid, gid_t gid);
1083 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1084 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1085 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1086 const struct smb_filename *smb_fname,
1087 struct smb_file_time *ft);
1088 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1089 struct files_struct *fsp, off_t offset);
1090 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1091 struct files_struct *fsp,
1095 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1096 struct files_struct *fsp, int op, off_t offset,
1097 off_t count, int type);
1098 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1099 struct files_struct *fsp, uint32_t share_mode,
1100 uint32_t access_mask);
1101 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1102 struct files_struct *fsp, int leasetype);
1103 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1104 struct files_struct *fsp, off_t *poffset,
1105 off_t *pcount, int *ptype, pid_t *ppid);
1106 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1107 const char *newpath);
1108 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1109 const char *path, char *buf, size_t bufsiz);
1110 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1111 const char *newpath);
1112 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1113 mode_t mode, SMB_DEV_T dev);
1114 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1115 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1116 unsigned int flags);
1117 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1118 const SMB_STRUCT_STAT *sbuf);
1119 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1120 struct files_struct *fsp,
1122 TALLOC_CTX *mem_ctx,
1123 unsigned int *num_streams,
1124 struct stream_struct **streams);
1125 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1126 const char *path, const char *name,
1127 TALLOC_CTX *mem_ctx, char **found_name);
1128 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1129 const char *filename);
1130 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1131 struct byte_range_lock *br_lck,
1132 struct lock_struct *plock,
1133 bool blocking_lock);
1134 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1135 struct messaging_context *msg_ctx,
1136 struct byte_range_lock *br_lck,
1137 const struct lock_struct *plock);
1138 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1139 struct byte_range_lock *br_lck,
1140 struct lock_struct *plock);
1141 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1142 struct files_struct *fsp,
1143 struct lock_struct *plock);
1144 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1145 struct files_struct *fsp,
1146 struct lock_struct *plock);
1147 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1149 enum vfs_translate_direction direction,
1150 TALLOC_CTX *mem_ctx,
1151 char **mapped_name);
1152 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1153 struct files_struct *fsp,
1157 const uint8_t *_in_data,
1159 uint8_t **_out_data,
1160 uint32_t max_out_len,
1162 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1163 TALLOC_CTX *mem_ctx,
1164 struct tevent_context *ev,
1165 struct files_struct *src_fsp,
1167 struct files_struct *dest_fsp,
1170 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1171 struct tevent_req *req,
1173 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1174 TALLOC_CTX *mem_ctx,
1175 struct files_struct *fsp,
1176 struct smb_filename *smb_fname,
1177 uint16_t *_compression_fmt);
1178 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1179 TALLOC_CTX *mem_ctx,
1180 struct files_struct *fsp,
1181 uint16_t compression_fmt);
1182 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1183 TALLOC_CTX *mem_ctx,
1184 const char *service_path,
1185 char **base_volume);
1186 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1187 TALLOC_CTX *mem_ctx,
1188 const char *base_volume,
1193 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1194 TALLOC_CTX *mem_ctx,
1197 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1198 struct files_struct *fsp,
1199 uint32_t security_info,
1200 TALLOC_CTX *mem_ctx,
1201 struct security_descriptor **ppdesc);
1202 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1203 const struct smb_filename *smb_fname,
1204 uint32_t security_info,
1205 TALLOC_CTX *mem_ctx,
1206 struct security_descriptor **ppdesc);
1207 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1208 struct files_struct *fsp,
1209 uint32_t security_info_sent,
1210 const struct security_descriptor *psd);
1211 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1212 struct smb_filename *file,
1213 struct security_acl *sacl,
1214 uint32_t access_requested,
1215 uint32_t access_denied);
1216 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1218 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1219 struct files_struct *fsp, mode_t mode);
1220 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1222 SMB_ACL_TYPE_T type,
1223 TALLOC_CTX *mem_ctx);
1224 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1225 struct files_struct *fsp,
1226 TALLOC_CTX *mem_ctx);
1227 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1229 TALLOC_CTX *mem_ctx,
1230 char **blob_description,
1232 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1233 struct files_struct *fsp,
1234 TALLOC_CTX *mem_ctx,
1235 char **blob_description,
1237 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1238 const char *name, SMB_ACL_TYPE_T acltype,
1240 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1241 struct files_struct *fsp, SMB_ACL_T theacl);
1242 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1244 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1245 const char *path, const char *name, void *value,
1247 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1248 struct files_struct *fsp, const char *name,
1249 void *value, size_t size);
1250 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1251 const char *path, char *list, size_t size);
1252 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1253 const char *path, char *list, size_t size);
1254 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1255 struct files_struct *fsp, char *list,
1257 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1258 const char *path, const char *name);
1259 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1260 struct files_struct *fsp, const char *name);
1261 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1262 const char *name, const void *value, size_t size,
1264 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1265 const char *name, const void *value, size_t size,
1267 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1268 struct files_struct *fsp, const char *name,
1269 const void *value, size_t size, int flags);
1270 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1271 struct files_struct *fsp);
1272 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1273 const struct smb_filename *fname,
1274 SMB_STRUCT_STAT *sbuf);
1275 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1276 const struct smb_filename *fname);
1277 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1278 struct files_struct *fsp,
1279 TALLOC_CTX *mem_ctx,
1281 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1282 struct files_struct *fsp,
1283 const DATA_BLOB old_cookie,
1284 TALLOC_CTX *mem_ctx,
1285 DATA_BLOB *new_cookie);
1286 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1287 struct smb_request *smb1req,
1288 struct smbXsrv_open *op,
1289 const DATA_BLOB old_cookie,
1290 TALLOC_CTX *mem_ctx,
1291 struct files_struct **fsp,
1292 DATA_BLOB *new_cookie);
1293 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1294 const struct smb_filename *fname,
1295 TALLOC_CTX *mem_ctx,
1296 struct readdir_attr_data **attr_data);
1298 NTSTATUS smb_register_vfs(int version, const char *name,
1299 const struct vfs_fn_pointers *fns);
1300 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1301 files_struct *fsp, size_t ext_size,
1302 void (*destroy_fn)(void *p_data));
1303 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1304 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1305 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1306 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);