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 */
173 #define SMB_VFS_INTERFACE_VERSION 34
176 All intercepted VFS operations must be declared as static functions inside module source
177 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
178 example VFS modules for more details.
181 /* VFS operations structure */
183 struct vfs_handle_struct;
184 struct connection_struct;
186 struct security_descriptor;
187 struct vfs_statvfs_struct;
190 struct smb_file_time;
191 struct blocking_lock_record;
193 struct dfs_GetDFSReferral;
195 typedef union unid_t {
203 uint64_t position_information;
205 uint32_t private_options; /* NT Create options, but we only look at
206 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
207 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
208 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
209 * for print files *only*, where
210 * DELETE_ON_CLOSE is not stored in the share
213 unsigned long gen_id;
218 struct smbd_server_connection *sconn;
219 struct tevent_timer *timeout;
220 struct smb2_lease lease;
223 typedef struct files_struct {
224 struct files_struct *next, *prev;
226 struct smbXsrv_open *op;
227 struct connection_struct *conn;
228 struct fd_handle *fh;
229 unsigned int num_smb_operations;
230 struct file_id file_id;
231 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
233 uint64_t vuid; /* SMB2 compat */
234 struct write_cache *wcp;
235 struct timeval open_time;
236 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
237 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
239 bool update_write_time_triggered;
240 struct tevent_timer *update_write_time_event;
241 bool update_write_time_on_close;
242 struct timespec close_write_time;
243 bool write_time_forced;
246 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
247 int sent_oplock_break;
248 struct tevent_timer *oplock_timeout;
249 struct lock_struct last_lock_failure;
250 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
257 bool aio_write_behind;
258 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
259 bool delete_on_close;
260 uint64_t posix_flags;
262 bool backup_intent; /* Handle was successfully opened with backup intent
263 and opener has privilege to do so. */
264 bool aapl_copyfile_supported;
265 struct smb_filename *fsp_name;
266 uint32_t name_hash; /* Jenkins hash of full pathname. */
267 uint64_t mid; /* Mid of the operation that created us. */
269 struct vfs_fsp_data *vfs_extension;
270 struct fake_file_handle *fake_file_handle;
272 struct notify_change_buf *notify;
274 struct files_struct *base_fsp; /* placeholder for delete on close */
277 * Read-only cached brlock record, thrown away when the
278 * brlock.tdb seqnum changes. This avoids fetching data from
279 * the brlock.tdb on every read/write call.
282 struct byte_range_lock *brlock_rec;
284 struct dptr_struct *dptr;
286 /* if not NULL, means this is a print file */
287 struct print_file_data *print_file;
289 unsigned num_aio_requests;
290 struct tevent_req **aio_requests;
293 * If a close request comes in while we still have aio_requests
294 * around, we need to hold back the close. When all aio_requests are
295 * done, the aio completion routines need tevent_wait_done() on
296 * this. A bit ugly, but before we have close_file() fully async
297 * possibly the simplest approach. Thanks, Jeremy for the idea.
299 struct tevent_req *deferred_close;
302 #define FSP_POSIX_FLAGS_OPEN 0x01
303 #define FSP_POSIX_FLAGS_RENAME 0x02
304 #define FSP_POSIX_FLAGS_PATHNAMES 0x04
306 #define FSP_POSIX_FLAGS_ALL \
307 (FSP_POSIX_FLAGS_OPEN | \
308 FSP_POSIX_FLAGS_PATHNAMES | \
309 FSP_POSIX_FLAGS_RENAME)
311 struct vuid_cache_entry {
312 struct auth_session_info *session_info;
313 uint64_t vuid; /* SMB2 compat */
315 uint32_t share_access;
319 unsigned int next_entry;
320 struct vuid_cache_entry array[VUID_CACHE_SIZE];
326 } name_compare_entry;
328 struct dfree_cached_info {
329 time_t last_dfree_time;
336 struct share_params {
340 typedef struct connection_struct {
341 struct connection_struct *next, *prev;
342 struct smbd_server_connection *sconn; /* can be NULL */
343 struct smbXsrv_tcon *tcon; /* can be NULL */
344 uint32_t cnum; /* an index passed over the wire */
345 struct share_params *params;
347 struct vuid_cache *vuid_cache;
350 bool read_only; /* Attributes for the current user of the share. */
351 uint32_t share_access;
352 /* Does this filesystem honor
353 sub second timestamps on files
354 and directories when setting time ? */
355 enum timestamp_set_resolution ts_res;
358 char *cwd; /* Working directory. */
360 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
363 * This represents the user information on this connection. Depending
364 * on the vuid using this tid, this might change per SMB request.
366 struct auth_session_info *session_info;
369 * If the "force group" parameter is set, this is the primary gid that
370 * may be used in the users token, depending on the vuid using this tid.
372 gid_t force_group_gid;
374 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
377 time_t lastused_count;
379 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
383 /* Semantics requested by the client or forced by the server config. */
386 bool short_case_preserve;
388 /* Semantics provided by the underlying filesystem. */
390 /* Device number of the directory of the share mount.
391 Used to ensure unique FileIndex returns. */
392 SMB_DEV_T base_share_dev;
394 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
395 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
396 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
397 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
398 struct dfree_cached_info *dfree_info;
399 struct trans_state *pending_trans;
401 struct rpc_pipe_client *spoolss_pipe;
405 struct smbd_smb2_request;
406 struct privilege_paths;
412 uint64_t mid; /* For compatibility with SMB2. */
414 uint64_t vuid; /* For compatibility with SMB2. */
420 const uint8_t *inbuf;
423 * Async handling in the main smb processing loop is directed by
424 * outbuf: reply_xxx routines indicate sync behaviour by putting their
425 * reply into "outbuf". If they leave it as NULL, they take care of it
426 * themselves, possibly later.
428 * If async handling is wanted, the reply_xxx routine must make sure
429 * that it talloc_move()s the smb_req somewhere else.
435 connection_struct *conn;
436 struct smbd_server_connection *sconn;
437 struct smbXsrv_connection *xconn;
438 struct smb_perfcount_data pcd;
441 * Chained request handling
443 struct files_struct *chain_fsp;
446 * state information for async smb handling
451 * Back pointer to smb2 request.
453 struct smbd_smb2_request *smb2req;
456 * Pathnames used if request done
459 struct privilege_paths *priv_paths;
462 * Request list for chained requests, we're part of it.
464 struct smb_request **chain;
466 struct timeval request_time;
470 * Info about an alternate data stream
473 struct stream_struct {
480 struct smb_file_time {
481 struct timespec mtime;
482 struct timespec atime;
483 struct timespec ctime;
484 struct timespec create_time;
490 struct smb_filename {
493 char *original_lcomp;
497 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
498 handle = handle->next; \
501 enum vfs_translate_direction {
502 vfs_translate_to_unix = 0,
503 vfs_translate_to_windows
506 enum vfs_fallocate_flags {
507 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
508 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
512 Available VFS operations. These values must be in sync with vfs_ops struct
513 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
514 In particular, if new operations are added to vfs_ops, appropriate constants
515 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
517 struct shadow_copy_data;
519 struct vfs_fn_pointers {
520 /* Disk operations */
522 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
523 void (*disconnect_fn)(struct vfs_handle_struct *handle);
524 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
525 uint64_t *dfree, uint64_t *dsize);
526 int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
527 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
528 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
529 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
530 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
533 * Note: that "struct dfs_GetDFSReferral *r"
534 * needs to be a valid TALLOC_CTX
536 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
537 struct dfs_GetDFSReferral *r);
539 /* Directory operations */
541 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32_t attributes);
542 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
543 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
545 SMB_STRUCT_STAT *sbuf);
546 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
547 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
548 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
549 int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
550 int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
551 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
552 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
554 /* File operations */
556 int (*open_fn)(struct vfs_handle_struct *handle,
557 struct smb_filename *smb_fname, files_struct *fsp,
558 int flags, mode_t mode);
559 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
560 struct smb_request *req,
561 uint16_t root_dir_fid,
562 struct smb_filename *smb_fname,
563 uint32_t access_mask,
564 uint32_t share_access,
565 uint32_t create_disposition,
566 uint32_t create_options,
567 uint32_t file_attributes,
568 uint32_t oplock_request,
569 struct smb2_lease *lease,
570 uint64_t allocation_size,
571 uint32_t private_flags,
572 struct security_descriptor *sd,
573 struct ea_list *ea_list,
574 files_struct **result,
576 const struct smb2_create_blobs *in_context_blobs,
577 struct smb2_create_blobs *out_context_blobs);
578 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
579 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
580 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
581 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
583 struct tevent_context *ev,
584 struct files_struct *fsp,
586 size_t n, off_t offset);
587 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
588 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
589 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
590 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
592 struct tevent_context *ev,
593 struct files_struct *fsp,
595 size_t n, off_t offset);
596 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
597 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
598 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
599 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
600 int (*rename_fn)(struct vfs_handle_struct *handle,
601 const struct smb_filename *smb_fname_src,
602 const struct smb_filename *smb_fname_dst);
603 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
604 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
606 struct tevent_context *ev,
607 struct files_struct *fsp);
608 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
609 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
610 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
611 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
612 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
613 int (*unlink_fn)(struct vfs_handle_struct *handle,
614 const struct smb_filename *smb_fname);
615 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
616 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
617 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
618 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
619 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
620 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
621 char *(*getwd_fn)(struct vfs_handle_struct *handle);
622 int (*ntimes_fn)(struct vfs_handle_struct *handle,
623 const struct smb_filename *smb_fname,
624 struct smb_file_time *ft);
625 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
626 int (*fallocate_fn)(struct vfs_handle_struct *handle,
627 struct files_struct *fsp,
631 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
632 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
633 uint32_t share_mode, uint32_t access_mask);
634 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
635 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
636 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
637 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
638 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
639 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
640 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
641 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
642 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
643 const SMB_STRUCT_STAT *sbuf);
644 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
646 struct tevent_context *ev,
647 struct files_struct *src_fsp,
649 struct files_struct *dest_fsp,
652 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
653 struct tevent_req *req,
655 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
657 struct files_struct *fsp,
658 struct smb_filename *smb_fname,
659 uint16_t *_compression_fmt);
660 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
662 struct files_struct *fsp,
663 uint16_t compression_fmt);
664 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
666 const char *service_path,
668 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
670 const char *base_volume,
675 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
680 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
681 struct files_struct *fsp,
684 unsigned int *num_streams,
685 struct stream_struct **streams);
687 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
693 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
694 const char *filename);
696 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
697 struct byte_range_lock *br_lck,
698 struct lock_struct *plock,
701 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
702 struct messaging_context *msg_ctx,
703 struct byte_range_lock *br_lck,
704 const struct lock_struct *plock);
706 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
707 struct byte_range_lock *br_lck,
708 struct lock_struct *plock);
710 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
711 struct files_struct *fsp,
712 struct lock_struct *plock);
714 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
715 struct files_struct *fsp,
716 struct lock_struct *plock);
718 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
720 enum vfs_translate_direction direction,
724 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
725 struct files_struct *fsp,
729 const uint8_t *_in_data,
732 uint32_t max_out_len,
735 /* NT ACL operations. */
737 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
738 struct files_struct *fsp,
739 uint32_t security_info,
741 struct security_descriptor **ppdesc);
742 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
744 uint32_t security_info,
746 struct security_descriptor **ppdesc);
747 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
748 struct files_struct *fsp,
749 uint32_t security_info_sent,
750 const struct security_descriptor *psd);
752 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
753 struct smb_filename *file,
754 struct security_acl *sacl,
755 uint32_t access_requested,
756 uint32_t access_denied);
758 /* POSIX ACL operations. */
760 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
761 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
763 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
766 TALLOC_CTX *mem_ctx);
767 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
768 struct files_struct *fsp,
769 TALLOC_CTX *mem_ctx);
770 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
773 char **blob_description,
775 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
776 TALLOC_CTX *mem_ctx, char **blob_description,
778 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
779 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
780 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
783 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
784 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
785 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
786 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
787 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
788 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
789 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
790 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
793 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
795 /* offline operations */
796 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
797 const struct smb_filename *fname,
798 SMB_STRUCT_STAT *sbuf);
799 int (*set_offline_fn)(struct vfs_handle_struct *handle,
800 const struct smb_filename *fname);
802 /* durable handle operations */
803 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
804 struct files_struct *fsp,
807 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
808 struct files_struct *fsp,
809 const DATA_BLOB old_cookie,
811 DATA_BLOB *new_cookie);
812 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
813 struct smb_request *smb1req,
814 struct smbXsrv_open *op,
815 const DATA_BLOB old_cookie,
817 struct files_struct **fsp,
818 DATA_BLOB *new_cookie);
820 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
821 const struct smb_filename *fname,
823 struct readdir_attr_data **attr_data);
827 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
828 which describes all operations this module is willing to intercept.
829 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
830 using this information.
833 typedef struct vfs_handle_struct {
834 struct vfs_handle_struct *next, *prev;
836 struct connection_struct *conn;
837 const struct vfs_fn_pointers *fns;
839 void (*free_data)(void **data);
843 typedef struct vfs_statvfs_struct {
844 /* For undefined recommended transfer size return -1 in that field */
845 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
849 The next three fields are in terms of the block size.
850 (above). If block size is unknown, 4096 would be a
851 reasonable block size for a server to report.
852 Note that returning the blocks/blocksavail removes need
853 to make a second call (to QFSInfo level 0x103 to get this info.
854 UserBlockAvail is typically less than or equal to BlocksAvail,
855 if no distinction is made return the same value in each.
858 uint64_t TotalBlocks;
859 uint64_t BlocksAvail; /* bfree */
860 uint64_t UserBlocksAvail; /* bavail */
862 /* For undefined Node fields or FSID return -1 */
863 uint64_t TotalFileNodes;
864 uint64_t FreeFileNodes;
865 uint64_t FsIdentifier; /* fsid */
866 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
867 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
870 } vfs_statvfs_struct;
872 /* Add a new FSP extension of the given type. Returns a pointer to the
875 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
876 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
878 /* Return a pointer to the existing FSP extension data. */
879 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
880 vfs_fetch_fsp_extension(handle, (fsp))
882 /* Return the talloc context associated with an FSP extension. */
883 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
884 vfs_memctx_fsp_extension(handle, (fsp))
886 /* Remove and destroy an FSP extension. */
887 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
888 vfs_remove_fsp_extension((handle), (fsp))
890 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
891 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
892 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
897 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
899 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
902 if ((handle)->free_data) { \
903 (handle)->free_data(&(handle)->data); \
905 (handle)->data = (void *)datap; \
906 (handle)->free_data = free_fn; \
910 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
911 if ((handle) && (handle)->free_data) { \
912 (handle)->free_data(&(handle)->data); \
916 /* Check whether module-specific data handle was already allocated or not */
917 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
919 #define SMB_VFS_OP(x) ((void *) x)
921 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
923 #include "vfs_macros.h"
925 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
926 const char *service, const char *user);
927 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
928 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
929 const char *path, uint64_t *bsize,
930 uint64_t *dfree, uint64_t *dsize);
931 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
932 enum SMB_QUOTA_TYPE qtype, unid_t id,
934 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
935 enum SMB_QUOTA_TYPE qtype, unid_t id,
937 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
938 struct files_struct *fsp,
939 struct shadow_copy_data *shadow_copy_data,
941 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
942 struct vfs_statvfs_struct *statbuf);
943 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
944 enum timestamp_set_resolution *p_ts_res);
946 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
948 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
949 struct dfs_GetDFSReferral *r);
950 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
951 const char *fname, const char *mask,
952 uint32_t attributes);
953 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
954 struct files_struct *fsp,
956 uint32_t attributes);
957 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
959 SMB_STRUCT_STAT *sbuf);
960 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
961 DIR *dirp, long offset);
962 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
964 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
966 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
968 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
969 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
971 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
973 int smb_vfs_call_open(struct vfs_handle_struct *handle,
974 struct smb_filename *smb_fname, struct files_struct *fsp,
975 int flags, mode_t mode);
976 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
977 struct smb_request *req,
978 uint16_t root_dir_fid,
979 struct smb_filename *smb_fname,
980 uint32_t access_mask,
981 uint32_t share_access,
982 uint32_t create_disposition,
983 uint32_t create_options,
984 uint32_t file_attributes,
985 uint32_t oplock_request,
986 struct smb2_lease *lease,
987 uint64_t allocation_size,
988 uint32_t private_flags,
989 struct security_descriptor *sd,
990 struct ea_list *ea_list,
991 files_struct **result,
993 const struct smb2_create_blobs *in_context_blobs,
994 struct smb2_create_blobs *out_context_blobs);
995 int smb_vfs_call_close(struct vfs_handle_struct *handle,
996 struct files_struct *fsp);
997 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
998 struct files_struct *fsp, void *data, size_t n);
999 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1000 struct files_struct *fsp, void *data, size_t n,
1002 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1003 TALLOC_CTX *mem_ctx,
1004 struct tevent_context *ev,
1005 struct files_struct *fsp,
1007 size_t n, off_t offset);
1008 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
1010 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1011 struct files_struct *fsp, const void *data,
1013 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1014 struct files_struct *fsp, const void *data,
1015 size_t n, off_t offset);
1016 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1017 TALLOC_CTX *mem_ctx,
1018 struct tevent_context *ev,
1019 struct files_struct *fsp,
1021 size_t n, off_t offset);
1022 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
1024 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1025 struct files_struct *fsp, off_t offset,
1027 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1028 files_struct *fromfsp, const DATA_BLOB *header,
1029 off_t offset, size_t count);
1030 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1031 files_struct *tofsp, off_t offset,
1033 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1034 const struct smb_filename *smb_fname_src,
1035 const struct smb_filename *smb_fname_dst);
1036 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1037 struct files_struct *fsp);
1039 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1040 TALLOC_CTX *mem_ctx,
1041 struct tevent_context *ev,
1042 struct files_struct *fsp);
1043 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
1045 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1046 struct smb_filename *smb_fname);
1047 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1048 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1049 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1050 struct smb_filename *smb_filename);
1051 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1052 struct files_struct *fsp,
1053 const SMB_STRUCT_STAT *sbuf);
1054 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1055 const struct smb_filename *smb_fname);
1056 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1058 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1059 struct files_struct *fsp, mode_t mode);
1060 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1061 uid_t uid, gid_t gid);
1062 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1063 struct files_struct *fsp, uid_t uid, gid_t gid);
1064 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1065 uid_t uid, gid_t gid);
1066 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1067 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1068 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1069 const struct smb_filename *smb_fname,
1070 struct smb_file_time *ft);
1071 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1072 struct files_struct *fsp, off_t offset);
1073 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1074 struct files_struct *fsp,
1078 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1079 struct files_struct *fsp, int op, off_t offset,
1080 off_t count, int type);
1081 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1082 struct files_struct *fsp, uint32_t share_mode,
1083 uint32_t access_mask);
1084 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1085 struct files_struct *fsp, int leasetype);
1086 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1087 struct files_struct *fsp, off_t *poffset,
1088 off_t *pcount, int *ptype, pid_t *ppid);
1089 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1090 const char *newpath);
1091 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1092 const char *path, char *buf, size_t bufsiz);
1093 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1094 const char *newpath);
1095 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1096 mode_t mode, SMB_DEV_T dev);
1097 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1098 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1099 unsigned int flags);
1100 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1101 const SMB_STRUCT_STAT *sbuf);
1102 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1103 struct files_struct *fsp,
1105 TALLOC_CTX *mem_ctx,
1106 unsigned int *num_streams,
1107 struct stream_struct **streams);
1108 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1109 const char *path, const char *name,
1110 TALLOC_CTX *mem_ctx, char **found_name);
1111 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1112 const char *filename);
1113 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1114 struct byte_range_lock *br_lck,
1115 struct lock_struct *plock,
1116 bool blocking_lock);
1117 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1118 struct messaging_context *msg_ctx,
1119 struct byte_range_lock *br_lck,
1120 const struct lock_struct *plock);
1121 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1122 struct byte_range_lock *br_lck,
1123 struct lock_struct *plock);
1124 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1125 struct files_struct *fsp,
1126 struct lock_struct *plock);
1127 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1128 struct files_struct *fsp,
1129 struct lock_struct *plock);
1130 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1132 enum vfs_translate_direction direction,
1133 TALLOC_CTX *mem_ctx,
1134 char **mapped_name);
1135 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1136 struct files_struct *fsp,
1140 const uint8_t *_in_data,
1142 uint8_t **_out_data,
1143 uint32_t max_out_len,
1145 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1146 TALLOC_CTX *mem_ctx,
1147 struct tevent_context *ev,
1148 struct files_struct *src_fsp,
1150 struct files_struct *dest_fsp,
1153 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1154 struct tevent_req *req,
1156 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1157 TALLOC_CTX *mem_ctx,
1158 struct files_struct *fsp,
1159 struct smb_filename *smb_fname,
1160 uint16_t *_compression_fmt);
1161 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1162 TALLOC_CTX *mem_ctx,
1163 struct files_struct *fsp,
1164 uint16_t compression_fmt);
1165 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1166 TALLOC_CTX *mem_ctx,
1167 const char *service_path,
1168 char **base_volume);
1169 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1170 TALLOC_CTX *mem_ctx,
1171 const char *base_volume,
1176 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1177 TALLOC_CTX *mem_ctx,
1180 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1181 struct files_struct *fsp,
1182 uint32_t security_info,
1183 TALLOC_CTX *mem_ctx,
1184 struct security_descriptor **ppdesc);
1185 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1187 uint32_t security_info,
1188 TALLOC_CTX *mem_ctx,
1189 struct security_descriptor **ppdesc);
1190 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1191 struct files_struct *fsp,
1192 uint32_t security_info_sent,
1193 const struct security_descriptor *psd);
1194 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1195 struct smb_filename *file,
1196 struct security_acl *sacl,
1197 uint32_t access_requested,
1198 uint32_t access_denied);
1199 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1201 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1202 struct files_struct *fsp, mode_t mode);
1203 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1205 SMB_ACL_TYPE_T type,
1206 TALLOC_CTX *mem_ctx);
1207 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1208 struct files_struct *fsp,
1209 TALLOC_CTX *mem_ctx);
1210 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1212 TALLOC_CTX *mem_ctx,
1213 char **blob_description,
1215 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1216 struct files_struct *fsp,
1217 TALLOC_CTX *mem_ctx,
1218 char **blob_description,
1220 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1221 const char *name, SMB_ACL_TYPE_T acltype,
1223 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1224 struct files_struct *fsp, SMB_ACL_T theacl);
1225 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1227 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1228 const char *path, const char *name, void *value,
1230 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1231 struct files_struct *fsp, const char *name,
1232 void *value, size_t size);
1233 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1234 const char *path, char *list, size_t size);
1235 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1236 const char *path, char *list, size_t size);
1237 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1238 struct files_struct *fsp, char *list,
1240 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1241 const char *path, const char *name);
1242 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1243 struct files_struct *fsp, const char *name);
1244 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1245 const char *name, const void *value, size_t size,
1247 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1248 const char *name, const void *value, size_t size,
1250 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1251 struct files_struct *fsp, const char *name,
1252 const void *value, size_t size, int flags);
1253 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1254 struct files_struct *fsp);
1255 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1256 const struct smb_filename *fname,
1257 SMB_STRUCT_STAT *sbuf);
1258 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1259 const struct smb_filename *fname);
1260 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1261 struct files_struct *fsp,
1262 TALLOC_CTX *mem_ctx,
1264 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1265 struct files_struct *fsp,
1266 const DATA_BLOB old_cookie,
1267 TALLOC_CTX *mem_ctx,
1268 DATA_BLOB *new_cookie);
1269 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1270 struct smb_request *smb1req,
1271 struct smbXsrv_open *op,
1272 const DATA_BLOB old_cookie,
1273 TALLOC_CTX *mem_ctx,
1274 struct files_struct **fsp,
1275 DATA_BLOB *new_cookie);
1276 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1277 const struct smb_filename *fname,
1278 TALLOC_CTX *mem_ctx,
1279 struct readdir_attr_data **attr_data);
1281 NTSTATUS smb_register_vfs(int version, const char *name,
1282 const struct vfs_fn_pointers *fns);
1283 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1284 files_struct *fsp, size_t ext_size,
1285 void (*destroy_fn)(void *p_data));
1286 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1287 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1288 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1289 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);