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 * */
194 #define SMB_VFS_INTERFACE_VERSION 35
197 All intercepted VFS operations must be declared as static functions inside module source
198 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
199 example VFS modules for more details.
202 /* VFS operations structure */
204 struct vfs_handle_struct;
205 struct connection_struct;
207 struct security_descriptor;
208 struct vfs_statvfs_struct;
211 struct smb_file_time;
212 struct blocking_lock_record;
214 struct dfs_GetDFSReferral;
216 typedef union unid_t {
224 uint64_t position_information;
226 uint32_t private_options; /* NT Create options, but we only look at
227 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
228 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
229 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
230 * for print files *only*, where
231 * DELETE_ON_CLOSE is not stored in the share
234 unsigned long gen_id;
239 struct smbd_server_connection *sconn;
240 struct tevent_timer *timeout;
241 struct smb2_lease lease;
244 typedef struct files_struct {
245 struct files_struct *next, *prev;
247 struct smbXsrv_open *op;
248 struct connection_struct *conn;
249 struct fd_handle *fh;
250 unsigned int num_smb_operations;
251 struct file_id file_id;
252 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
254 uint64_t vuid; /* SMB2 compat */
255 struct write_cache *wcp;
256 struct timeval open_time;
257 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
258 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
260 bool update_write_time_triggered;
261 struct tevent_timer *update_write_time_event;
262 bool update_write_time_on_close;
263 struct timespec close_write_time;
264 bool write_time_forced;
267 struct fsp_lease *lease;
268 int sent_oplock_break;
269 struct tevent_timer *oplock_timeout;
270 struct lock_struct last_lock_failure;
271 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
278 bool aio_write_behind;
279 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
280 bool delete_on_close;
281 uint64_t posix_flags;
283 bool backup_intent; /* Handle was successfully opened with backup intent
284 and opener has privilege to do so. */
285 bool aapl_copyfile_supported;
286 struct smb_filename *fsp_name;
287 uint32_t name_hash; /* Jenkins hash of full pathname. */
288 uint64_t mid; /* Mid of the operation that created us. */
290 struct vfs_fsp_data *vfs_extension;
291 struct fake_file_handle *fake_file_handle;
293 struct notify_change_buf *notify;
295 struct files_struct *base_fsp; /* placeholder for delete on close */
298 * Read-only cached brlock record, thrown away when the
299 * brlock.tdb seqnum changes. This avoids fetching data from
300 * the brlock.tdb on every read/write call.
303 struct byte_range_lock *brlock_rec;
305 struct dptr_struct *dptr;
307 /* if not NULL, means this is a print file */
308 struct print_file_data *print_file;
310 unsigned num_aio_requests;
311 struct tevent_req **aio_requests;
314 * If a close request comes in while we still have aio_requests
315 * around, we need to hold back the close. When all aio_requests are
316 * done, the aio completion routines need tevent_wait_done() on
317 * this. A bit ugly, but before we have close_file() fully async
318 * possibly the simplest approach. Thanks, Jeremy for the idea.
320 struct tevent_req *deferred_close;
323 #define FSP_POSIX_FLAGS_OPEN 0x01
324 #define FSP_POSIX_FLAGS_RENAME 0x02
325 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
327 #define FSP_POSIX_FLAGS_ALL \
328 (FSP_POSIX_FLAGS_OPEN | \
329 FSP_POSIX_FLAGS_PATHNAMES | \
330 FSP_POSIX_FLAGS_RENAME)
332 struct vuid_cache_entry {
333 struct auth_session_info *session_info;
334 uint64_t vuid; /* SMB2 compat */
336 uint32_t share_access;
340 unsigned int next_entry;
341 struct vuid_cache_entry array[VUID_CACHE_SIZE];
347 } name_compare_entry;
349 struct dfree_cached_info {
350 time_t last_dfree_time;
357 struct share_params {
361 typedef struct connection_struct {
362 struct connection_struct *next, *prev;
363 struct smbd_server_connection *sconn; /* can be NULL */
364 struct smbXsrv_tcon *tcon; /* can be NULL */
365 uint32_t cnum; /* an index passed over the wire */
366 struct share_params *params;
368 struct vuid_cache *vuid_cache;
371 bool read_only; /* Attributes for the current user of the share. */
372 uint32_t share_access;
373 /* Does this filesystem honor
374 sub second timestamps on files
375 and directories when setting time ? */
376 enum timestamp_set_resolution ts_res;
379 char *cwd; /* Working directory. */
381 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
384 * This represents the user information on this connection. Depending
385 * on the vuid using this tid, this might change per SMB request.
387 struct auth_session_info *session_info;
390 * If the "force group" parameter is set, this is the primary gid that
391 * may be used in the users token, depending on the vuid using this tid.
393 gid_t force_group_gid;
395 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
398 time_t lastused_count;
400 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
404 /* Semantics requested by the client or forced by the server config. */
407 bool short_case_preserve;
409 /* Semantics provided by the underlying filesystem. */
411 /* Device number of the directory of the share mount.
412 Used to ensure unique FileIndex returns. */
413 SMB_DEV_T base_share_dev;
415 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
416 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
417 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
418 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
419 struct dfree_cached_info *dfree_info;
420 struct trans_state *pending_trans;
422 struct rpc_pipe_client *spoolss_pipe;
426 struct smbd_smb2_request;
427 struct privilege_paths;
433 uint64_t mid; /* For compatibility with SMB2. */
435 uint64_t vuid; /* For compatibility with SMB2. */
441 const uint8_t *inbuf;
444 * Async handling in the main smb processing loop is directed by
445 * outbuf: reply_xxx routines indicate sync behaviour by putting their
446 * reply into "outbuf". If they leave it as NULL, they take care of it
447 * themselves, possibly later.
449 * If async handling is wanted, the reply_xxx routine must make sure
450 * that it talloc_move()s the smb_req somewhere else.
456 connection_struct *conn;
457 struct smbd_server_connection *sconn;
458 struct smbXsrv_connection *xconn;
459 struct smb_perfcount_data pcd;
462 * Chained request handling
464 struct files_struct *chain_fsp;
467 * state information for async smb handling
472 * Back pointer to smb2 request.
474 struct smbd_smb2_request *smb2req;
477 * Pathnames used if request done
480 struct privilege_paths *priv_paths;
483 * Request list for chained requests, we're part of it.
485 struct smb_request **chain;
487 struct timeval request_time;
489 bool posix_pathnames;
493 * Info about an alternate data stream
496 struct stream_struct {
503 struct smb_file_time {
504 struct timespec mtime;
505 struct timespec atime;
506 struct timespec ctime;
507 struct timespec create_time;
513 struct smb_filename {
516 char *original_lcomp;
520 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
521 handle = handle->next; \
524 enum vfs_translate_direction {
525 vfs_translate_to_unix = 0,
526 vfs_translate_to_windows
529 enum vfs_fallocate_flags {
530 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
531 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
534 struct vfs_aio_state {
540 Available VFS operations. These values must be in sync with vfs_ops struct
541 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
542 In particular, if new operations are added to vfs_ops, appropriate constants
543 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
545 struct shadow_copy_data;
547 struct vfs_fn_pointers {
548 /* Disk operations */
550 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
551 void (*disconnect_fn)(struct vfs_handle_struct *handle);
552 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
553 uint64_t *dfree, uint64_t *dsize);
554 int (*get_quota_fn)(struct vfs_handle_struct *handle, const char *path,
555 enum SMB_QUOTA_TYPE qtype, unid_t id,
557 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
558 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
559 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
560 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
563 * Note: that "struct dfs_GetDFSReferral *r"
564 * needs to be a valid TALLOC_CTX
566 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
567 struct dfs_GetDFSReferral *r);
569 /* Directory operations */
571 DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
572 const struct smb_filename *smb_fname,
574 uint32_t attributes);
575 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
576 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
578 SMB_STRUCT_STAT *sbuf);
579 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
580 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
581 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
582 int (*mkdir_fn)(struct vfs_handle_struct *handle,
583 const struct smb_filename *smb_fname,
585 int (*rmdir_fn)(struct vfs_handle_struct *handle,
586 const struct smb_filename *smb_fname);
587 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
588 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
590 /* File operations */
592 int (*open_fn)(struct vfs_handle_struct *handle,
593 struct smb_filename *smb_fname, files_struct *fsp,
594 int flags, mode_t mode);
595 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
596 struct smb_request *req,
597 uint16_t root_dir_fid,
598 struct smb_filename *smb_fname,
599 uint32_t access_mask,
600 uint32_t share_access,
601 uint32_t create_disposition,
602 uint32_t create_options,
603 uint32_t file_attributes,
604 uint32_t oplock_request,
605 struct smb2_lease *lease,
606 uint64_t allocation_size,
607 uint32_t private_flags,
608 struct security_descriptor *sd,
609 struct ea_list *ea_list,
610 files_struct **result,
612 const struct smb2_create_blobs *in_context_blobs,
613 struct smb2_create_blobs *out_context_blobs);
614 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
615 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
616 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
617 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
619 struct tevent_context *ev,
620 struct files_struct *fsp,
622 size_t n, off_t offset);
623 ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
624 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
625 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
626 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
628 struct tevent_context *ev,
629 struct files_struct *fsp,
631 size_t n, off_t offset);
632 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
633 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
634 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
635 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
636 int (*rename_fn)(struct vfs_handle_struct *handle,
637 const struct smb_filename *smb_fname_src,
638 const struct smb_filename *smb_fname_dst);
639 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
640 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
642 struct tevent_context *ev,
643 struct files_struct *fsp);
644 int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
645 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
646 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
647 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
648 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
649 int (*unlink_fn)(struct vfs_handle_struct *handle,
650 const struct smb_filename *smb_fname);
651 int (*chmod_fn)(struct vfs_handle_struct *handle,
652 const struct smb_filename *smb_fname,
654 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
655 int (*chown_fn)(struct vfs_handle_struct *handle,
656 const struct smb_filename *smb_fname,
659 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
660 int (*lchown_fn)(struct vfs_handle_struct *handle,
661 const struct smb_filename *smb_fname,
664 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
665 char *(*getwd_fn)(struct vfs_handle_struct *handle);
666 int (*ntimes_fn)(struct vfs_handle_struct *handle,
667 const struct smb_filename *smb_fname,
668 struct smb_file_time *ft);
669 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
670 int (*fallocate_fn)(struct vfs_handle_struct *handle,
671 struct files_struct *fsp,
675 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
676 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
677 uint32_t share_mode, uint32_t access_mask);
678 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
679 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
680 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
681 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
682 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
683 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
684 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
685 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
686 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
687 const SMB_STRUCT_STAT *sbuf);
688 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
690 struct tevent_context *ev,
691 struct files_struct *src_fsp,
693 struct files_struct *dest_fsp,
696 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
697 struct tevent_req *req,
699 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
701 struct files_struct *fsp,
702 struct smb_filename *smb_fname,
703 uint16_t *_compression_fmt);
704 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
706 struct files_struct *fsp,
707 uint16_t compression_fmt);
708 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
710 const char *service_path,
712 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
714 const char *base_volume,
719 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
724 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
725 struct files_struct *fsp,
726 const struct smb_filename *smb_fname,
728 unsigned int *num_streams,
729 struct stream_struct **streams);
731 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
737 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
738 const char *filename);
740 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
741 struct byte_range_lock *br_lck,
742 struct lock_struct *plock,
745 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
746 struct messaging_context *msg_ctx,
747 struct byte_range_lock *br_lck,
748 const struct lock_struct *plock);
750 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
751 struct byte_range_lock *br_lck,
752 struct lock_struct *plock);
754 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
755 struct files_struct *fsp,
756 struct lock_struct *plock);
758 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
759 struct files_struct *fsp,
760 struct lock_struct *plock);
762 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
764 enum vfs_translate_direction direction,
768 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
769 struct files_struct *fsp,
773 const uint8_t *_in_data,
776 uint32_t max_out_len,
779 /* NT ACL operations. */
781 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
782 struct files_struct *fsp,
783 uint32_t security_info,
785 struct security_descriptor **ppdesc);
786 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
787 const struct smb_filename *smb_fname,
788 uint32_t security_info,
790 struct security_descriptor **ppdesc);
791 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
792 struct files_struct *fsp,
793 uint32_t security_info_sent,
794 const struct security_descriptor *psd);
796 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
797 struct smb_filename *file,
798 struct security_acl *sacl,
799 uint32_t access_requested,
800 uint32_t access_denied);
802 /* POSIX ACL operations. */
804 int (*chmod_acl_fn)(struct vfs_handle_struct *handle,
805 const struct smb_filename *smb_fname,
807 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
809 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
812 TALLOC_CTX *mem_ctx);
813 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
814 struct files_struct *fsp,
815 TALLOC_CTX *mem_ctx);
816 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
819 char **blob_description,
821 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
822 TALLOC_CTX *mem_ctx, char **blob_description,
824 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
825 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
826 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
829 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
830 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
831 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
832 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
833 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
834 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
835 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
836 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
839 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
841 /* offline operations */
842 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
843 const struct smb_filename *fname,
844 SMB_STRUCT_STAT *sbuf);
845 int (*set_offline_fn)(struct vfs_handle_struct *handle,
846 const struct smb_filename *fname);
848 /* durable handle operations */
849 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
850 struct files_struct *fsp,
853 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
854 struct files_struct *fsp,
855 const DATA_BLOB old_cookie,
857 DATA_BLOB *new_cookie);
858 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
859 struct smb_request *smb1req,
860 struct smbXsrv_open *op,
861 const DATA_BLOB old_cookie,
863 struct files_struct **fsp,
864 DATA_BLOB *new_cookie);
866 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
867 const struct smb_filename *fname,
869 struct readdir_attr_data **attr_data);
873 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
874 which describes all operations this module is willing to intercept.
875 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
876 using this information.
879 typedef struct vfs_handle_struct {
880 struct vfs_handle_struct *next, *prev;
882 struct connection_struct *conn;
883 const struct vfs_fn_pointers *fns;
885 void (*free_data)(void **data);
889 typedef struct vfs_statvfs_struct {
890 /* For undefined recommended transfer size return -1 in that field */
891 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
895 The next three fields are in terms of the block size.
896 (above). If block size is unknown, 4096 would be a
897 reasonable block size for a server to report.
898 Note that returning the blocks/blocksavail removes need
899 to make a second call (to QFSInfo level 0x103 to get this info.
900 UserBlockAvail is typically less than or equal to BlocksAvail,
901 if no distinction is made return the same value in each.
904 uint64_t TotalBlocks;
905 uint64_t BlocksAvail; /* bfree */
906 uint64_t UserBlocksAvail; /* bavail */
908 /* For undefined Node fields or FSID return -1 */
909 uint64_t TotalFileNodes;
910 uint64_t FreeFileNodes;
911 uint64_t FsIdentifier; /* fsid */
912 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
913 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
916 } vfs_statvfs_struct;
918 /* Add a new FSP extension of the given type. Returns a pointer to the
921 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
922 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
924 /* Return a pointer to the existing FSP extension data. */
925 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
926 vfs_fetch_fsp_extension(handle, (fsp))
928 /* Return the talloc context associated with an FSP extension. */
929 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
930 vfs_memctx_fsp_extension(handle, (fsp))
932 /* Remove and destroy an FSP extension. */
933 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
934 vfs_remove_fsp_extension((handle), (fsp))
936 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
937 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
938 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
943 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
945 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
948 if ((handle)->free_data) { \
949 (handle)->free_data(&(handle)->data); \
951 (handle)->data = (void *)datap; \
952 (handle)->free_data = free_fn; \
956 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
957 if ((handle) && (handle)->free_data) { \
958 (handle)->free_data(&(handle)->data); \
962 /* Check whether module-specific data handle was already allocated or not */
963 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
965 #define SMB_VFS_OP(x) ((void *) x)
967 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
969 #include "vfs_macros.h"
971 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
972 const char *service, const char *user);
973 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
974 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
975 const char *path, uint64_t *bsize,
976 uint64_t *dfree, uint64_t *dsize);
977 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle, const char *path,
978 enum SMB_QUOTA_TYPE qtype, unid_t id,
980 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
981 enum SMB_QUOTA_TYPE qtype, unid_t id,
983 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
984 struct files_struct *fsp,
985 struct shadow_copy_data *shadow_copy_data,
987 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
988 struct vfs_statvfs_struct *statbuf);
989 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
990 enum timestamp_set_resolution *p_ts_res);
992 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
994 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
995 struct dfs_GetDFSReferral *r);
996 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
997 const struct smb_filename *smb_fname,
999 uint32_t attributes);
1000 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1001 struct files_struct *fsp,
1003 uint32_t attributes);
1004 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1006 SMB_STRUCT_STAT *sbuf);
1007 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1008 DIR *dirp, long offset);
1009 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1011 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1013 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
1014 const struct smb_filename *smb_fname,
1016 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
1017 const struct smb_filename *smb_fname);
1018 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1020 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1022 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1023 struct smb_filename *smb_fname, struct files_struct *fsp,
1024 int flags, mode_t mode);
1025 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1026 struct smb_request *req,
1027 uint16_t root_dir_fid,
1028 struct smb_filename *smb_fname,
1029 uint32_t access_mask,
1030 uint32_t share_access,
1031 uint32_t create_disposition,
1032 uint32_t create_options,
1033 uint32_t file_attributes,
1034 uint32_t oplock_request,
1035 struct smb2_lease *lease,
1036 uint64_t allocation_size,
1037 uint32_t private_flags,
1038 struct security_descriptor *sd,
1039 struct ea_list *ea_list,
1040 files_struct **result,
1042 const struct smb2_create_blobs *in_context_blobs,
1043 struct smb2_create_blobs *out_context_blobs);
1044 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1045 struct files_struct *fsp);
1046 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
1047 struct files_struct *fsp, void *data, size_t n);
1048 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1049 struct files_struct *fsp, void *data, size_t n,
1051 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1052 TALLOC_CTX *mem_ctx,
1053 struct tevent_context *ev,
1054 struct files_struct *fsp,
1056 size_t n, off_t offset);
1057 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1059 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1060 struct files_struct *fsp, const void *data,
1062 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1063 struct files_struct *fsp, const void *data,
1064 size_t n, off_t offset);
1065 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1066 TALLOC_CTX *mem_ctx,
1067 struct tevent_context *ev,
1068 struct files_struct *fsp,
1070 size_t n, off_t offset);
1071 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1073 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1074 struct files_struct *fsp, off_t offset,
1076 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1077 files_struct *fromfsp, const DATA_BLOB *header,
1078 off_t offset, size_t count);
1079 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1080 files_struct *tofsp, off_t offset,
1082 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1083 const struct smb_filename *smb_fname_src,
1084 const struct smb_filename *smb_fname_dst);
1085 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1086 struct files_struct *fsp);
1088 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1089 TALLOC_CTX *mem_ctx,
1090 struct tevent_context *ev,
1091 struct files_struct *fsp);
1092 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1094 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1095 struct smb_filename *smb_fname);
1096 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1097 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1098 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1099 struct smb_filename *smb_filename);
1100 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1101 struct files_struct *fsp,
1102 const SMB_STRUCT_STAT *sbuf);
1103 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1104 const struct smb_filename *smb_fname);
1105 int smb_vfs_call_chmod(struct vfs_handle_struct *handle,
1106 const struct smb_filename *smb_fname,
1108 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1109 struct files_struct *fsp, mode_t mode);
1110 int smb_vfs_call_chown(struct vfs_handle_struct *handle,
1111 const struct smb_filename *smb_fname,
1114 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1115 struct files_struct *fsp, uid_t uid, gid_t gid);
1116 int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1117 const struct smb_filename *smb_fname,
1120 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1121 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1122 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1123 const struct smb_filename *smb_fname,
1124 struct smb_file_time *ft);
1125 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1126 struct files_struct *fsp, off_t offset);
1127 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1128 struct files_struct *fsp,
1132 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1133 struct files_struct *fsp, int op, off_t offset,
1134 off_t count, int type);
1135 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1136 struct files_struct *fsp, uint32_t share_mode,
1137 uint32_t access_mask);
1138 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1139 struct files_struct *fsp, int leasetype);
1140 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1141 struct files_struct *fsp, off_t *poffset,
1142 off_t *pcount, int *ptype, pid_t *ppid);
1143 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1144 const char *newpath);
1145 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1146 const char *path, char *buf, size_t bufsiz);
1147 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1148 const char *newpath);
1149 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1150 mode_t mode, SMB_DEV_T dev);
1151 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1152 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1153 unsigned int flags);
1154 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1155 const SMB_STRUCT_STAT *sbuf);
1156 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1157 struct files_struct *fsp,
1158 const struct smb_filename *smb_fname,
1159 TALLOC_CTX *mem_ctx,
1160 unsigned int *num_streams,
1161 struct stream_struct **streams);
1162 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1163 const char *path, const char *name,
1164 TALLOC_CTX *mem_ctx, char **found_name);
1165 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1166 const char *filename);
1167 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1168 struct byte_range_lock *br_lck,
1169 struct lock_struct *plock,
1170 bool blocking_lock);
1171 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1172 struct messaging_context *msg_ctx,
1173 struct byte_range_lock *br_lck,
1174 const struct lock_struct *plock);
1175 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1176 struct byte_range_lock *br_lck,
1177 struct lock_struct *plock);
1178 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1179 struct files_struct *fsp,
1180 struct lock_struct *plock);
1181 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1182 struct files_struct *fsp,
1183 struct lock_struct *plock);
1184 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1186 enum vfs_translate_direction direction,
1187 TALLOC_CTX *mem_ctx,
1188 char **mapped_name);
1189 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1190 struct files_struct *fsp,
1194 const uint8_t *_in_data,
1196 uint8_t **_out_data,
1197 uint32_t max_out_len,
1199 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1200 TALLOC_CTX *mem_ctx,
1201 struct tevent_context *ev,
1202 struct files_struct *src_fsp,
1204 struct files_struct *dest_fsp,
1207 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1208 struct tevent_req *req,
1210 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1211 TALLOC_CTX *mem_ctx,
1212 struct files_struct *fsp,
1213 struct smb_filename *smb_fname,
1214 uint16_t *_compression_fmt);
1215 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1216 TALLOC_CTX *mem_ctx,
1217 struct files_struct *fsp,
1218 uint16_t compression_fmt);
1219 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1220 TALLOC_CTX *mem_ctx,
1221 const char *service_path,
1222 char **base_volume);
1223 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1224 TALLOC_CTX *mem_ctx,
1225 const char *base_volume,
1230 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1231 TALLOC_CTX *mem_ctx,
1234 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1235 struct files_struct *fsp,
1236 uint32_t security_info,
1237 TALLOC_CTX *mem_ctx,
1238 struct security_descriptor **ppdesc);
1239 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1240 const struct smb_filename *smb_fname,
1241 uint32_t security_info,
1242 TALLOC_CTX *mem_ctx,
1243 struct security_descriptor **ppdesc);
1244 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1245 struct files_struct *fsp,
1246 uint32_t security_info_sent,
1247 const struct security_descriptor *psd);
1248 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1249 struct smb_filename *file,
1250 struct security_acl *sacl,
1251 uint32_t access_requested,
1252 uint32_t access_denied);
1253 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
1254 const struct smb_filename *file,
1256 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1257 struct files_struct *fsp, mode_t mode);
1258 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1260 SMB_ACL_TYPE_T type,
1261 TALLOC_CTX *mem_ctx);
1262 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1263 struct files_struct *fsp,
1264 TALLOC_CTX *mem_ctx);
1265 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1267 TALLOC_CTX *mem_ctx,
1268 char **blob_description,
1270 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1271 struct files_struct *fsp,
1272 TALLOC_CTX *mem_ctx,
1273 char **blob_description,
1275 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1276 const char *name, SMB_ACL_TYPE_T acltype,
1278 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1279 struct files_struct *fsp, SMB_ACL_T theacl);
1280 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1282 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1283 const char *path, const char *name, void *value,
1285 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1286 struct files_struct *fsp, const char *name,
1287 void *value, size_t size);
1288 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1289 const char *path, char *list, size_t size);
1290 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1291 const char *path, char *list, size_t size);
1292 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1293 struct files_struct *fsp, char *list,
1295 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1296 const char *path, const char *name);
1297 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1298 struct files_struct *fsp, const char *name);
1299 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1300 const char *name, const void *value, size_t size,
1302 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1303 const char *name, const void *value, size_t size,
1305 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1306 struct files_struct *fsp, const char *name,
1307 const void *value, size_t size, int flags);
1308 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1309 struct files_struct *fsp);
1310 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1311 const struct smb_filename *fname,
1312 SMB_STRUCT_STAT *sbuf);
1313 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1314 const struct smb_filename *fname);
1315 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1316 struct files_struct *fsp,
1317 TALLOC_CTX *mem_ctx,
1319 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1320 struct files_struct *fsp,
1321 const DATA_BLOB old_cookie,
1322 TALLOC_CTX *mem_ctx,
1323 DATA_BLOB *new_cookie);
1324 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1325 struct smb_request *smb1req,
1326 struct smbXsrv_open *op,
1327 const DATA_BLOB old_cookie,
1328 TALLOC_CTX *mem_ctx,
1329 struct files_struct **fsp,
1330 DATA_BLOB *new_cookie);
1331 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1332 const struct smb_filename *fname,
1333 TALLOC_CTX *mem_ctx,
1334 struct readdir_attr_data **attr_data);
1336 NTSTATUS smb_register_vfs(int version, const char *name,
1337 const struct vfs_fn_pointers *fns);
1338 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1339 files_struct *fsp, size_t ext_size,
1340 void (*destroy_fn)(void *p_data));
1341 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1342 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1343 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1344 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);