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 */
184 #define SMB_VFS_INTERFACE_VERSION 35
187 All intercepted VFS operations must be declared as static functions inside module source
188 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
189 example VFS modules for more details.
192 /* VFS operations structure */
194 struct vfs_handle_struct;
195 struct connection_struct;
197 struct security_descriptor;
198 struct vfs_statvfs_struct;
201 struct smb_file_time;
202 struct blocking_lock_record;
204 struct dfs_GetDFSReferral;
206 typedef union unid_t {
214 uint64_t position_information;
216 uint32_t private_options; /* NT Create options, but we only look at
217 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
218 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
219 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
220 * for print files *only*, where
221 * DELETE_ON_CLOSE is not stored in the share
224 unsigned long gen_id;
229 struct smbd_server_connection *sconn;
230 struct tevent_timer *timeout;
231 struct smb2_lease lease;
234 typedef struct files_struct {
235 struct files_struct *next, *prev;
237 struct smbXsrv_open *op;
238 struct connection_struct *conn;
239 struct fd_handle *fh;
240 unsigned int num_smb_operations;
241 struct file_id file_id;
242 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
244 uint64_t vuid; /* SMB2 compat */
245 struct write_cache *wcp;
246 struct timeval open_time;
247 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
248 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
250 bool update_write_time_triggered;
251 struct tevent_timer *update_write_time_event;
252 bool update_write_time_on_close;
253 struct timespec close_write_time;
254 bool write_time_forced;
257 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
258 int sent_oplock_break;
259 struct tevent_timer *oplock_timeout;
260 struct lock_struct last_lock_failure;
261 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
268 bool aio_write_behind;
269 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
270 bool delete_on_close;
271 uint64_t posix_flags;
273 bool backup_intent; /* Handle was successfully opened with backup intent
274 and opener has privilege to do so. */
275 bool aapl_copyfile_supported;
276 struct smb_filename *fsp_name;
277 uint32_t name_hash; /* Jenkins hash of full pathname. */
278 uint64_t mid; /* Mid of the operation that created us. */
280 struct vfs_fsp_data *vfs_extension;
281 struct fake_file_handle *fake_file_handle;
283 struct notify_change_buf *notify;
285 struct files_struct *base_fsp; /* placeholder for delete on close */
288 * Read-only cached brlock record, thrown away when the
289 * brlock.tdb seqnum changes. This avoids fetching data from
290 * the brlock.tdb on every read/write call.
293 struct byte_range_lock *brlock_rec;
295 struct dptr_struct *dptr;
297 /* if not NULL, means this is a print file */
298 struct print_file_data *print_file;
300 unsigned num_aio_requests;
301 struct tevent_req **aio_requests;
304 * If a close request comes in while we still have aio_requests
305 * around, we need to hold back the close. When all aio_requests are
306 * done, the aio completion routines need tevent_wait_done() on
307 * this. A bit ugly, but before we have close_file() fully async
308 * possibly the simplest approach. Thanks, Jeremy for the idea.
310 struct tevent_req *deferred_close;
313 #define FSP_POSIX_FLAGS_OPEN 0x01
314 #define FSP_POSIX_FLAGS_RENAME 0x02
315 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
317 #define FSP_POSIX_FLAGS_ALL \
318 (FSP_POSIX_FLAGS_OPEN | \
319 FSP_POSIX_FLAGS_PATHNAMES | \
320 FSP_POSIX_FLAGS_RENAME)
322 struct vuid_cache_entry {
323 struct auth_session_info *session_info;
324 uint64_t vuid; /* SMB2 compat */
326 uint32_t share_access;
330 unsigned int next_entry;
331 struct vuid_cache_entry array[VUID_CACHE_SIZE];
337 } name_compare_entry;
339 struct dfree_cached_info {
340 time_t last_dfree_time;
347 struct share_params {
351 typedef struct connection_struct {
352 struct connection_struct *next, *prev;
353 struct smbd_server_connection *sconn; /* can be NULL */
354 struct smbXsrv_tcon *tcon; /* can be NULL */
355 uint32_t cnum; /* an index passed over the wire */
356 struct share_params *params;
358 struct vuid_cache *vuid_cache;
361 bool read_only; /* Attributes for the current user of the share. */
362 uint32_t share_access;
363 /* Does this filesystem honor
364 sub second timestamps on files
365 and directories when setting time ? */
366 enum timestamp_set_resolution ts_res;
369 char *cwd; /* Working directory. */
371 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
374 * This represents the user information on this connection. Depending
375 * on the vuid using this tid, this might change per SMB request.
377 struct auth_session_info *session_info;
380 * If the "force group" parameter is set, this is the primary gid that
381 * may be used in the users token, depending on the vuid using this tid.
383 gid_t force_group_gid;
385 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
388 time_t lastused_count;
390 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
394 /* Semantics requested by the client or forced by the server config. */
397 bool short_case_preserve;
399 /* Semantics provided by the underlying filesystem. */
401 /* Device number of the directory of the share mount.
402 Used to ensure unique FileIndex returns. */
403 SMB_DEV_T base_share_dev;
405 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
406 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
407 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
408 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
409 struct dfree_cached_info *dfree_info;
410 struct trans_state *pending_trans;
412 struct rpc_pipe_client *spoolss_pipe;
416 struct smbd_smb2_request;
417 struct privilege_paths;
423 uint64_t mid; /* For compatibility with SMB2. */
425 uint64_t vuid; /* For compatibility with SMB2. */
431 const uint8_t *inbuf;
434 * Async handling in the main smb processing loop is directed by
435 * outbuf: reply_xxx routines indicate sync behaviour by putting their
436 * reply into "outbuf". If they leave it as NULL, they take care of it
437 * themselves, possibly later.
439 * If async handling is wanted, the reply_xxx routine must make sure
440 * that it talloc_move()s the smb_req somewhere else.
446 connection_struct *conn;
447 struct smbd_server_connection *sconn;
448 struct smbXsrv_connection *xconn;
449 struct smb_perfcount_data pcd;
452 * Chained request handling
454 struct files_struct *chain_fsp;
457 * state information for async smb handling
462 * Back pointer to smb2 request.
464 struct smbd_smb2_request *smb2req;
467 * Pathnames used if request done
470 struct privilege_paths *priv_paths;
473 * Request list for chained requests, we're part of it.
475 struct smb_request **chain;
477 struct timeval request_time;
479 bool posix_pathnames;
483 * Info about an alternate data stream
486 struct stream_struct {
493 struct smb_file_time {
494 struct timespec mtime;
495 struct timespec atime;
496 struct timespec ctime;
497 struct timespec create_time;
503 struct smb_filename {
506 char *original_lcomp;
510 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
511 handle = handle->next; \
514 enum vfs_translate_direction {
515 vfs_translate_to_unix = 0,
516 vfs_translate_to_windows
519 enum vfs_fallocate_flags {
520 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
521 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
524 struct vfs_aio_state {
529 Available VFS operations. These values must be in sync with vfs_ops struct
530 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
531 In particular, if new operations are added to vfs_ops, appropriate constants
532 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
534 struct shadow_copy_data;
536 struct vfs_fn_pointers {
537 /* Disk operations */
539 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
540 void (*disconnect_fn)(struct vfs_handle_struct *handle);
541 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
542 uint64_t *dfree, uint64_t *dsize);
543 int (*get_quota_fn)(struct vfs_handle_struct *handle, const char *path,
544 enum SMB_QUOTA_TYPE qtype, unid_t id,
546 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
547 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
548 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
549 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
552 * Note: that "struct dfs_GetDFSReferral *r"
553 * needs to be a valid TALLOC_CTX
555 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
556 struct dfs_GetDFSReferral *r);
558 /* Directory operations */
560 DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
561 const struct smb_filename *smb_fname,
563 uint32_t attributes);
564 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
565 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
567 SMB_STRUCT_STAT *sbuf);
568 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
569 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
570 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
571 int (*mkdir_fn)(struct vfs_handle_struct *handle,
572 const struct smb_filename *smb_fname,
574 int (*rmdir_fn)(struct vfs_handle_struct *handle,
575 const struct smb_filename *smb_fname);
576 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
577 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
579 /* File operations */
581 int (*open_fn)(struct vfs_handle_struct *handle,
582 struct smb_filename *smb_fname, files_struct *fsp,
583 int flags, mode_t mode);
584 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
585 struct smb_request *req,
586 uint16_t root_dir_fid,
587 struct smb_filename *smb_fname,
588 uint32_t access_mask,
589 uint32_t share_access,
590 uint32_t create_disposition,
591 uint32_t create_options,
592 uint32_t file_attributes,
593 uint32_t oplock_request,
594 struct smb2_lease *lease,
595 uint64_t allocation_size,
596 uint32_t private_flags,
597 struct security_descriptor *sd,
598 struct ea_list *ea_list,
599 files_struct **result,
601 const struct smb2_create_blobs *in_context_blobs,
602 struct smb2_create_blobs *out_context_blobs);
603 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
604 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
605 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
606 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
608 struct tevent_context *ev,
609 struct files_struct *fsp,
611 size_t n, off_t offset);
612 ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
613 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
614 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
615 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
617 struct tevent_context *ev,
618 struct files_struct *fsp,
620 size_t n, off_t offset);
621 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
622 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
623 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
624 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
625 int (*rename_fn)(struct vfs_handle_struct *handle,
626 const struct smb_filename *smb_fname_src,
627 const struct smb_filename *smb_fname_dst);
628 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
629 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
631 struct tevent_context *ev,
632 struct files_struct *fsp);
633 int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
634 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
635 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
636 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
637 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
638 int (*unlink_fn)(struct vfs_handle_struct *handle,
639 const struct smb_filename *smb_fname);
640 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
641 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
642 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
643 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
644 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
645 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
646 char *(*getwd_fn)(struct vfs_handle_struct *handle);
647 int (*ntimes_fn)(struct vfs_handle_struct *handle,
648 const struct smb_filename *smb_fname,
649 struct smb_file_time *ft);
650 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
651 int (*fallocate_fn)(struct vfs_handle_struct *handle,
652 struct files_struct *fsp,
656 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
657 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
658 uint32_t share_mode, uint32_t access_mask);
659 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
660 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
661 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
662 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
663 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
664 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
665 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
666 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
667 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
668 const SMB_STRUCT_STAT *sbuf);
669 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
671 struct tevent_context *ev,
672 struct files_struct *src_fsp,
674 struct files_struct *dest_fsp,
677 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
678 struct tevent_req *req,
680 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
682 struct files_struct *fsp,
683 struct smb_filename *smb_fname,
684 uint16_t *_compression_fmt);
685 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
687 struct files_struct *fsp,
688 uint16_t compression_fmt);
689 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
691 const char *service_path,
693 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
695 const char *base_volume,
700 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
705 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
706 struct files_struct *fsp,
709 unsigned int *num_streams,
710 struct stream_struct **streams);
712 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
718 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
719 const char *filename);
721 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
722 struct byte_range_lock *br_lck,
723 struct lock_struct *plock,
726 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
727 struct messaging_context *msg_ctx,
728 struct byte_range_lock *br_lck,
729 const struct lock_struct *plock);
731 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
732 struct byte_range_lock *br_lck,
733 struct lock_struct *plock);
735 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
736 struct files_struct *fsp,
737 struct lock_struct *plock);
739 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
740 struct files_struct *fsp,
741 struct lock_struct *plock);
743 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
745 enum vfs_translate_direction direction,
749 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
750 struct files_struct *fsp,
754 const uint8_t *_in_data,
757 uint32_t max_out_len,
760 /* NT ACL operations. */
762 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
763 struct files_struct *fsp,
764 uint32_t security_info,
766 struct security_descriptor **ppdesc);
767 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
768 const struct smb_filename *smb_fname,
769 uint32_t security_info,
771 struct security_descriptor **ppdesc);
772 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
773 struct files_struct *fsp,
774 uint32_t security_info_sent,
775 const struct security_descriptor *psd);
777 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
778 struct smb_filename *file,
779 struct security_acl *sacl,
780 uint32_t access_requested,
781 uint32_t access_denied);
783 /* POSIX ACL operations. */
785 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
786 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
788 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
791 TALLOC_CTX *mem_ctx);
792 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
793 struct files_struct *fsp,
794 TALLOC_CTX *mem_ctx);
795 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
798 char **blob_description,
800 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
801 TALLOC_CTX *mem_ctx, char **blob_description,
803 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
804 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
805 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
808 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
809 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
810 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
811 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
812 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
813 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
814 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
815 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
818 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
820 /* offline operations */
821 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
822 const struct smb_filename *fname,
823 SMB_STRUCT_STAT *sbuf);
824 int (*set_offline_fn)(struct vfs_handle_struct *handle,
825 const struct smb_filename *fname);
827 /* durable handle operations */
828 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
829 struct files_struct *fsp,
832 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
833 struct files_struct *fsp,
834 const DATA_BLOB old_cookie,
836 DATA_BLOB *new_cookie);
837 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
838 struct smb_request *smb1req,
839 struct smbXsrv_open *op,
840 const DATA_BLOB old_cookie,
842 struct files_struct **fsp,
843 DATA_BLOB *new_cookie);
845 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
846 const struct smb_filename *fname,
848 struct readdir_attr_data **attr_data);
852 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
853 which describes all operations this module is willing to intercept.
854 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
855 using this information.
858 typedef struct vfs_handle_struct {
859 struct vfs_handle_struct *next, *prev;
861 struct connection_struct *conn;
862 const struct vfs_fn_pointers *fns;
864 void (*free_data)(void **data);
868 typedef struct vfs_statvfs_struct {
869 /* For undefined recommended transfer size return -1 in that field */
870 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
874 The next three fields are in terms of the block size.
875 (above). If block size is unknown, 4096 would be a
876 reasonable block size for a server to report.
877 Note that returning the blocks/blocksavail removes need
878 to make a second call (to QFSInfo level 0x103 to get this info.
879 UserBlockAvail is typically less than or equal to BlocksAvail,
880 if no distinction is made return the same value in each.
883 uint64_t TotalBlocks;
884 uint64_t BlocksAvail; /* bfree */
885 uint64_t UserBlocksAvail; /* bavail */
887 /* For undefined Node fields or FSID return -1 */
888 uint64_t TotalFileNodes;
889 uint64_t FreeFileNodes;
890 uint64_t FsIdentifier; /* fsid */
891 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
892 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
895 } vfs_statvfs_struct;
897 /* Add a new FSP extension of the given type. Returns a pointer to the
900 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
901 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
903 /* Return a pointer to the existing FSP extension data. */
904 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
905 vfs_fetch_fsp_extension(handle, (fsp))
907 /* Return the talloc context associated with an FSP extension. */
908 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
909 vfs_memctx_fsp_extension(handle, (fsp))
911 /* Remove and destroy an FSP extension. */
912 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
913 vfs_remove_fsp_extension((handle), (fsp))
915 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
916 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
917 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
922 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
924 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
927 if ((handle)->free_data) { \
928 (handle)->free_data(&(handle)->data); \
930 (handle)->data = (void *)datap; \
931 (handle)->free_data = free_fn; \
935 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
936 if ((handle) && (handle)->free_data) { \
937 (handle)->free_data(&(handle)->data); \
941 /* Check whether module-specific data handle was already allocated or not */
942 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
944 #define SMB_VFS_OP(x) ((void *) x)
946 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
948 #include "vfs_macros.h"
950 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
951 const char *service, const char *user);
952 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
953 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
954 const char *path, uint64_t *bsize,
955 uint64_t *dfree, uint64_t *dsize);
956 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle, const char *path,
957 enum SMB_QUOTA_TYPE qtype, unid_t id,
959 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
960 enum SMB_QUOTA_TYPE qtype, unid_t id,
962 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
963 struct files_struct *fsp,
964 struct shadow_copy_data *shadow_copy_data,
966 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
967 struct vfs_statvfs_struct *statbuf);
968 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
969 enum timestamp_set_resolution *p_ts_res);
971 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
973 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
974 struct dfs_GetDFSReferral *r);
975 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
976 const struct smb_filename *smb_fname,
978 uint32_t attributes);
979 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
980 struct files_struct *fsp,
982 uint32_t attributes);
983 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
985 SMB_STRUCT_STAT *sbuf);
986 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
987 DIR *dirp, long offset);
988 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
990 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
992 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
993 const struct smb_filename *smb_fname,
995 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
996 const struct smb_filename *smb_fname);
997 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
999 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1001 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1002 struct smb_filename *smb_fname, struct files_struct *fsp,
1003 int flags, mode_t mode);
1004 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1005 struct smb_request *req,
1006 uint16_t root_dir_fid,
1007 struct smb_filename *smb_fname,
1008 uint32_t access_mask,
1009 uint32_t share_access,
1010 uint32_t create_disposition,
1011 uint32_t create_options,
1012 uint32_t file_attributes,
1013 uint32_t oplock_request,
1014 struct smb2_lease *lease,
1015 uint64_t allocation_size,
1016 uint32_t private_flags,
1017 struct security_descriptor *sd,
1018 struct ea_list *ea_list,
1019 files_struct **result,
1021 const struct smb2_create_blobs *in_context_blobs,
1022 struct smb2_create_blobs *out_context_blobs);
1023 int smb_vfs_call_close(struct vfs_handle_struct *handle,
1024 struct files_struct *fsp);
1025 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
1026 struct files_struct *fsp, void *data, size_t n);
1027 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1028 struct files_struct *fsp, void *data, size_t n,
1030 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1031 TALLOC_CTX *mem_ctx,
1032 struct tevent_context *ev,
1033 struct files_struct *fsp,
1035 size_t n, off_t offset);
1036 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1038 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1039 struct files_struct *fsp, const void *data,
1041 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1042 struct files_struct *fsp, const void *data,
1043 size_t n, off_t offset);
1044 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1045 TALLOC_CTX *mem_ctx,
1046 struct tevent_context *ev,
1047 struct files_struct *fsp,
1049 size_t n, off_t offset);
1050 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1052 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1053 struct files_struct *fsp, off_t offset,
1055 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1056 files_struct *fromfsp, const DATA_BLOB *header,
1057 off_t offset, size_t count);
1058 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1059 files_struct *tofsp, off_t offset,
1061 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1062 const struct smb_filename *smb_fname_src,
1063 const struct smb_filename *smb_fname_dst);
1064 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1065 struct files_struct *fsp);
1067 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1068 TALLOC_CTX *mem_ctx,
1069 struct tevent_context *ev,
1070 struct files_struct *fsp);
1071 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
1073 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1074 struct smb_filename *smb_fname);
1075 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1076 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1077 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1078 struct smb_filename *smb_filename);
1079 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1080 struct files_struct *fsp,
1081 const SMB_STRUCT_STAT *sbuf);
1082 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1083 const struct smb_filename *smb_fname);
1084 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1086 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1087 struct files_struct *fsp, mode_t mode);
1088 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1089 uid_t uid, gid_t gid);
1090 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1091 struct files_struct *fsp, uid_t uid, gid_t gid);
1092 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1093 uid_t uid, gid_t gid);
1094 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1095 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1096 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1097 const struct smb_filename *smb_fname,
1098 struct smb_file_time *ft);
1099 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1100 struct files_struct *fsp, off_t offset);
1101 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1102 struct files_struct *fsp,
1106 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1107 struct files_struct *fsp, int op, off_t offset,
1108 off_t count, int type);
1109 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1110 struct files_struct *fsp, uint32_t share_mode,
1111 uint32_t access_mask);
1112 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1113 struct files_struct *fsp, int leasetype);
1114 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1115 struct files_struct *fsp, off_t *poffset,
1116 off_t *pcount, int *ptype, pid_t *ppid);
1117 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1118 const char *newpath);
1119 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1120 const char *path, char *buf, size_t bufsiz);
1121 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1122 const char *newpath);
1123 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1124 mode_t mode, SMB_DEV_T dev);
1125 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1126 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1127 unsigned int flags);
1128 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1129 const SMB_STRUCT_STAT *sbuf);
1130 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1131 struct files_struct *fsp,
1133 TALLOC_CTX *mem_ctx,
1134 unsigned int *num_streams,
1135 struct stream_struct **streams);
1136 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1137 const char *path, const char *name,
1138 TALLOC_CTX *mem_ctx, char **found_name);
1139 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1140 const char *filename);
1141 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1142 struct byte_range_lock *br_lck,
1143 struct lock_struct *plock,
1144 bool blocking_lock);
1145 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1146 struct messaging_context *msg_ctx,
1147 struct byte_range_lock *br_lck,
1148 const struct lock_struct *plock);
1149 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1150 struct byte_range_lock *br_lck,
1151 struct lock_struct *plock);
1152 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1153 struct files_struct *fsp,
1154 struct lock_struct *plock);
1155 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1156 struct files_struct *fsp,
1157 struct lock_struct *plock);
1158 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1160 enum vfs_translate_direction direction,
1161 TALLOC_CTX *mem_ctx,
1162 char **mapped_name);
1163 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1164 struct files_struct *fsp,
1168 const uint8_t *_in_data,
1170 uint8_t **_out_data,
1171 uint32_t max_out_len,
1173 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1174 TALLOC_CTX *mem_ctx,
1175 struct tevent_context *ev,
1176 struct files_struct *src_fsp,
1178 struct files_struct *dest_fsp,
1181 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1182 struct tevent_req *req,
1184 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1185 TALLOC_CTX *mem_ctx,
1186 struct files_struct *fsp,
1187 struct smb_filename *smb_fname,
1188 uint16_t *_compression_fmt);
1189 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1190 TALLOC_CTX *mem_ctx,
1191 struct files_struct *fsp,
1192 uint16_t compression_fmt);
1193 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1194 TALLOC_CTX *mem_ctx,
1195 const char *service_path,
1196 char **base_volume);
1197 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1198 TALLOC_CTX *mem_ctx,
1199 const char *base_volume,
1204 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1205 TALLOC_CTX *mem_ctx,
1208 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1209 struct files_struct *fsp,
1210 uint32_t security_info,
1211 TALLOC_CTX *mem_ctx,
1212 struct security_descriptor **ppdesc);
1213 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1214 const struct smb_filename *smb_fname,
1215 uint32_t security_info,
1216 TALLOC_CTX *mem_ctx,
1217 struct security_descriptor **ppdesc);
1218 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1219 struct files_struct *fsp,
1220 uint32_t security_info_sent,
1221 const struct security_descriptor *psd);
1222 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1223 struct smb_filename *file,
1224 struct security_acl *sacl,
1225 uint32_t access_requested,
1226 uint32_t access_denied);
1227 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1229 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1230 struct files_struct *fsp, mode_t mode);
1231 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1233 SMB_ACL_TYPE_T type,
1234 TALLOC_CTX *mem_ctx);
1235 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1236 struct files_struct *fsp,
1237 TALLOC_CTX *mem_ctx);
1238 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1240 TALLOC_CTX *mem_ctx,
1241 char **blob_description,
1243 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1244 struct files_struct *fsp,
1245 TALLOC_CTX *mem_ctx,
1246 char **blob_description,
1248 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1249 const char *name, SMB_ACL_TYPE_T acltype,
1251 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1252 struct files_struct *fsp, SMB_ACL_T theacl);
1253 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1255 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1256 const char *path, const char *name, void *value,
1258 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1259 struct files_struct *fsp, const char *name,
1260 void *value, size_t size);
1261 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1262 const char *path, char *list, size_t size);
1263 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1264 const char *path, char *list, size_t size);
1265 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1266 struct files_struct *fsp, char *list,
1268 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1269 const char *path, const char *name);
1270 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1271 struct files_struct *fsp, const char *name);
1272 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1273 const char *name, const void *value, size_t size,
1275 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1276 const char *name, const void *value, size_t size,
1278 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1279 struct files_struct *fsp, const char *name,
1280 const void *value, size_t size, int flags);
1281 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1282 struct files_struct *fsp);
1283 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1284 const struct smb_filename *fname,
1285 SMB_STRUCT_STAT *sbuf);
1286 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1287 const struct smb_filename *fname);
1288 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1289 struct files_struct *fsp,
1290 TALLOC_CTX *mem_ctx,
1292 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1293 struct files_struct *fsp,
1294 const DATA_BLOB old_cookie,
1295 TALLOC_CTX *mem_ctx,
1296 DATA_BLOB *new_cookie);
1297 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1298 struct smb_request *smb1req,
1299 struct smbXsrv_open *op,
1300 const DATA_BLOB old_cookie,
1301 TALLOC_CTX *mem_ctx,
1302 struct files_struct **fsp,
1303 DATA_BLOB *new_cookie);
1304 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1305 const struct smb_filename *fname,
1306 TALLOC_CTX *mem_ctx,
1307 struct readdir_attr_data **attr_data);
1309 NTSTATUS smb_register_vfs(int version, const char *name,
1310 const struct vfs_fn_pointers *fns);
1311 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1312 files_struct *fsp, size_t ext_size,
1313 void (*destroy_fn)(void *p_data));
1314 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1315 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1316 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1317 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);