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 /* Leave at 30 - not yet released. add SMB_VFS_COPY_CHUNK() */
151 #define SMB_VFS_INTERFACE_VERSION 30
154 All intercepted VFS operations must be declared as static functions inside module source
155 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
156 example VFS modules for more details.
159 /* VFS operations structure */
161 struct vfs_handle_struct;
162 struct connection_struct;
164 struct security_descriptor;
165 struct vfs_statvfs_struct;
168 struct smb_file_time;
169 struct blocking_lock_record;
171 struct dfs_GetDFSReferral;
173 typedef union unid_t {
181 uint64_t position_information;
183 uint32 private_options; /* NT Create options, but we only look at
184 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
185 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
186 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
187 * for print files *only*, where
188 * DELETE_ON_CLOSE is not stored in the share
191 unsigned long gen_id;
194 typedef struct files_struct {
195 struct files_struct *next, *prev;
197 struct smbXsrv_open *op;
198 struct connection_struct *conn;
199 struct fd_handle *fh;
200 unsigned int num_smb_operations;
201 struct file_id file_id;
202 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
204 uint64_t vuid; /* SMB2 compat */
205 struct write_cache *wcp;
206 struct timeval open_time;
207 uint32 access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
208 uint32 share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
210 bool update_write_time_triggered;
211 struct timed_event *update_write_time_event;
212 bool update_write_time_on_close;
213 struct timespec close_write_time;
214 bool write_time_forced;
217 int sent_oplock_break;
218 struct timed_event *oplock_timeout;
219 struct lock_struct last_lock_failure;
220 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
222 struct share_mode_entry *pending_break_messages;
223 int num_pending_break_messages;
230 bool aio_write_behind;
232 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
233 bool delete_on_close;
236 bool backup_intent; /* Handle was successfully opened with backup intent
237 and opener has privilege to do so. */
238 struct smb_filename *fsp_name;
239 uint32_t name_hash; /* Jenkins hash of full pathname. */
240 uint64_t mid; /* Mid of the operation that created us. */
242 struct vfs_fsp_data *vfs_extension;
243 struct fake_file_handle *fake_file_handle;
245 struct notify_change_buf *notify;
247 struct files_struct *base_fsp; /* placeholder for delete on close */
250 * Read-only cached brlock record, thrown away when the
251 * brlock.tdb seqnum changes. This avoids fetching data from
252 * the brlock.tdb on every read/write call.
255 struct byte_range_lock *brlock_rec;
257 struct dptr_struct *dptr;
259 /* if not NULL, means this is a print file */
260 struct print_file_data *print_file;
262 unsigned num_aio_requests;
263 struct tevent_req **aio_requests;
266 * If a close request comes in while we still have aio_requests
267 * around, we need to hold back the close. When all aio_requests are
268 * done, the aio completion routines need tevent_wait_done() on
269 * this. A bit ugly, but before we have close_file() fully async
270 * possibly the simplest approach. Thanks, Jeremy for the idea.
272 struct tevent_req *deferred_close;
275 struct vuid_cache_entry {
276 struct auth_session_info *session_info;
277 uint64_t vuid; /* SMB2 compat */
282 unsigned int next_entry;
283 struct vuid_cache_entry array[VUID_CACHE_SIZE];
289 } name_compare_entry;
291 struct dfree_cached_info {
292 time_t last_dfree_time;
299 struct share_params {
303 typedef struct connection_struct {
304 struct connection_struct *next, *prev;
305 struct smbd_server_connection *sconn; /* can be NULL */
306 struct smbXsrv_tcon *tcon; /* can be NULL */
307 uint32_t cnum; /* an index passed over the wire */
308 struct share_params *params;
310 struct vuid_cache vuid_cache;
313 bool read_only; /* Attributes for the current user of the share. */
314 uint32_t share_access;
315 /* Does this filesystem honor
316 sub second timestamps on files
317 and directories when setting time ? */
318 enum timestamp_set_resolution ts_res;
321 char *cwd; /* Working directory. */
323 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
326 * This represents the user information on this connection. Depending
327 * on the vuid using this tid, this might change per SMB request.
329 struct auth_session_info *session_info;
332 * If the "force group" parameter is set, this is the primary gid that
333 * may be used in the users token, depending on the vuid using this tid.
335 gid_t force_group_gid;
337 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
340 time_t lastused_count;
342 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
346 /* Semantics requested by the client or forced by the server config. */
349 bool short_case_preserve;
351 /* Semantics provided by the underlying filesystem. */
353 /* Device number of the directory of the share mount.
354 Used to ensure unique FileIndex returns. */
355 SMB_DEV_T base_share_dev;
357 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
358 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
359 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
360 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
361 struct dfree_cached_info *dfree_info;
362 struct trans_state *pending_trans;
364 struct rpc_pipe_client *spoolss_pipe;
368 struct smbd_smb2_request;
369 struct privilege_paths;
375 uint64_t mid; /* For compatibility with SMB2. */
377 uint64_t vuid; /* For compatibility with SMB2. */
386 * Async handling in the main smb processing loop is directed by
387 * outbuf: reply_xxx routines indicate sync behaviour by putting their
388 * reply into "outbuf". If they leave it as NULL, they take care of it
389 * themselves, possibly later.
391 * If async handling is wanted, the reply_xxx routine must make sure
392 * that it talloc_move()s the smb_req somewhere else.
398 connection_struct *conn;
399 struct smbd_server_connection *sconn;
400 struct smb_perfcount_data pcd;
403 * Chained request handling
405 struct files_struct *chain_fsp;
408 * state information for async smb handling
413 * Back pointer to smb2 request.
415 struct smbd_smb2_request *smb2req;
418 * Pathnames used if request done
421 struct privilege_paths *priv_paths;
424 * Request list for chained requests, we're part of it.
426 struct smb_request **chain;
428 struct timeval request_time;
432 * Info about an alternate data stream
435 struct stream_struct {
442 struct smb_file_time {
443 struct timespec mtime;
444 struct timespec atime;
445 struct timespec ctime;
446 struct timespec create_time;
452 struct smb_filename {
455 char *original_lcomp;
459 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
460 handle = handle->next; \
463 enum vfs_translate_direction {
464 vfs_translate_to_unix = 0,
465 vfs_translate_to_windows
468 enum vfs_fallocate_mode {
469 VFS_FALLOCATE_EXTEND_SIZE = 0,
470 VFS_FALLOCATE_KEEP_SIZE = 1
474 Available VFS operations. These values must be in sync with vfs_ops struct
475 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
476 In particular, if new operations are added to vfs_ops, appropriate constants
477 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
479 struct shadow_copy_data;
481 struct vfs_fn_pointers {
482 /* Disk operations */
484 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
485 void (*disconnect_fn)(struct vfs_handle_struct *handle);
486 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
487 uint64_t *dfree, uint64_t *dsize);
488 int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
489 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
490 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
491 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
492 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
495 * Note: that "struct dfs_GetDFSReferral *r"
496 * needs to be a valid TALLOC_CTX
498 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
499 struct dfs_GetDFSReferral *r);
501 /* Directory operations */
503 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
504 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
505 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
507 SMB_STRUCT_STAT *sbuf);
508 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
509 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
510 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
511 int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
512 int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
513 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
514 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
516 /* File operations */
518 int (*open_fn)(struct vfs_handle_struct *handle,
519 struct smb_filename *smb_fname, files_struct *fsp,
520 int flags, mode_t mode);
521 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
522 struct smb_request *req,
523 uint16_t root_dir_fid,
524 struct smb_filename *smb_fname,
525 uint32_t access_mask,
526 uint32_t share_access,
527 uint32_t create_disposition,
528 uint32_t create_options,
529 uint32_t file_attributes,
530 uint32_t oplock_request,
531 uint64_t allocation_size,
532 uint32_t private_flags,
533 struct security_descriptor *sd,
534 struct ea_list *ea_list,
535 files_struct **result,
537 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
538 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
539 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
540 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
542 struct tevent_context *ev,
543 struct files_struct *fsp,
545 size_t n, off_t offset);
546 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
547 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
548 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
549 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
551 struct tevent_context *ev,
552 struct files_struct *fsp,
554 size_t n, off_t offset);
555 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
556 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
557 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
558 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
559 int (*rename_fn)(struct vfs_handle_struct *handle,
560 const struct smb_filename *smb_fname_src,
561 const struct smb_filename *smb_fname_dst);
562 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
563 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
565 struct tevent_context *ev,
566 struct files_struct *fsp);
567 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
568 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
569 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
570 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
571 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
572 int (*unlink_fn)(struct vfs_handle_struct *handle,
573 const struct smb_filename *smb_fname);
574 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
575 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
576 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
577 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
578 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
579 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
580 char *(*getwd_fn)(struct vfs_handle_struct *handle);
581 int (*ntimes_fn)(struct vfs_handle_struct *handle,
582 const struct smb_filename *smb_fname,
583 struct smb_file_time *ft);
584 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
585 int (*fallocate_fn)(struct vfs_handle_struct *handle,
586 struct files_struct *fsp,
587 enum vfs_fallocate_mode mode,
590 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
591 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
592 uint32 share_mode, uint32_t access_mask);
593 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
594 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
595 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
596 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
597 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
598 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
599 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
600 NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
601 struct sys_notify_context *ctx,
604 uint32_t *subdir_filter,
605 void (*callback)(struct sys_notify_context *ctx,
607 struct notify_event *ev),
610 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
611 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
612 const SMB_STRUCT_STAT *sbuf);
613 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
615 struct tevent_context *ev,
616 struct files_struct *src_fsp,
618 struct files_struct *dest_fsp,
621 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
622 struct tevent_req *req,
625 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
626 struct files_struct *fsp,
629 unsigned int *num_streams,
630 struct stream_struct **streams);
632 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
638 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
639 const char *filename);
641 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
642 struct byte_range_lock *br_lck,
643 struct lock_struct *plock,
645 struct blocking_lock_record *blr);
647 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
648 struct messaging_context *msg_ctx,
649 struct byte_range_lock *br_lck,
650 const struct lock_struct *plock);
652 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
653 struct byte_range_lock *br_lck,
654 struct lock_struct *plock,
655 struct blocking_lock_record *blr);
657 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
658 struct files_struct *fsp,
659 struct lock_struct *plock);
661 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
662 struct files_struct *fsp,
663 struct lock_struct *plock);
665 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
667 enum vfs_translate_direction direction,
671 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
672 struct files_struct *fsp,
676 const uint8_t *_in_data,
679 uint32_t max_out_len,
682 /* NT ACL operations. */
684 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
685 struct files_struct *fsp,
686 uint32 security_info,
688 struct security_descriptor **ppdesc);
689 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
691 uint32 security_info,
693 struct security_descriptor **ppdesc);
694 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
695 struct files_struct *fsp,
696 uint32 security_info_sent,
697 const struct security_descriptor *psd);
699 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
700 struct smb_filename *file,
701 struct security_acl *sacl,
702 uint32_t access_requested,
703 uint32_t access_denied);
705 /* POSIX ACL operations. */
707 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
708 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
710 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
713 TALLOC_CTX *mem_ctx);
714 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
715 struct files_struct *fsp,
716 TALLOC_CTX *mem_ctx);
717 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
720 char **blob_description,
722 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
723 TALLOC_CTX *mem_ctx, char **blob_description,
725 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
726 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
727 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
730 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
731 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
732 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
733 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
734 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
735 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
736 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
737 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
740 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
742 /* offline operations */
743 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
744 const struct smb_filename *fname,
745 SMB_STRUCT_STAT *sbuf);
746 int (*set_offline_fn)(struct vfs_handle_struct *handle,
747 const struct smb_filename *fname);
749 /* durable handle operations */
750 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
751 struct files_struct *fsp,
754 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
755 struct files_struct *fsp,
756 const DATA_BLOB old_cookie,
758 DATA_BLOB *new_cookie);
759 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
760 struct smb_request *smb1req,
761 struct smbXsrv_open *op,
762 const DATA_BLOB old_cookie,
764 struct files_struct **fsp,
765 DATA_BLOB *new_cookie);
769 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
770 which describes all operations this module is willing to intercept.
771 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
772 using this information.
775 typedef struct vfs_handle_struct {
776 struct vfs_handle_struct *next, *prev;
778 struct connection_struct *conn;
779 const struct vfs_fn_pointers *fns;
781 void (*free_data)(void **data);
785 typedef struct vfs_statvfs_struct {
786 /* For undefined recommended transfer size return -1 in that field */
787 uint32 OptimalTransferSize; /* bsize on some os, iosize on other os */
791 The next three fields are in terms of the block size.
792 (above). If block size is unknown, 4096 would be a
793 reasonable block size for a server to report.
794 Note that returning the blocks/blocksavail removes need
795 to make a second call (to QFSInfo level 0x103 to get this info.
796 UserBlockAvail is typically less than or equal to BlocksAvail,
797 if no distinction is made return the same value in each.
800 uint64_t TotalBlocks;
801 uint64_t BlocksAvail; /* bfree */
802 uint64_t UserBlocksAvail; /* bavail */
804 /* For undefined Node fields or FSID return -1 */
805 uint64_t TotalFileNodes;
806 uint64_t FreeFileNodes;
807 uint64_t FsIdentifier; /* fsid */
808 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
809 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
812 } vfs_statvfs_struct;
814 /* Add a new FSP extension of the given type. Returns a pointer to the
817 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
818 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
820 /* Return a pointer to the existing FSP extension data. */
821 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
822 vfs_fetch_fsp_extension(handle, (fsp))
824 /* Return the talloc context associated with an FSP extension. */
825 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
826 vfs_memctx_fsp_extension(handle, (fsp))
828 /* Remove and destroy an FSP extension. */
829 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
830 vfs_remove_fsp_extension((handle), (fsp))
832 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
833 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
834 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
839 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
841 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
844 if ((handle)->free_data) { \
845 (handle)->free_data(&(handle)->data); \
847 (handle)->data = (void *)datap; \
848 (handle)->free_data = free_fn; \
852 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
853 if ((handle) && (handle)->free_data) { \
854 (handle)->free_data(&(handle)->data); \
858 /* Check whether module-specific data handle was already allocated or not */
859 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
861 #define SMB_VFS_OP(x) ((void *) x)
863 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
865 #include "vfs_macros.h"
867 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
868 const char *service, const char *user);
869 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
870 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
871 const char *path, bool small_query,
872 uint64_t *bsize, uint64_t *dfree,
874 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
875 enum SMB_QUOTA_TYPE qtype, unid_t id,
877 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
878 enum SMB_QUOTA_TYPE qtype, unid_t id,
880 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
881 struct files_struct *fsp,
882 struct shadow_copy_data *shadow_copy_data,
884 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
885 struct vfs_statvfs_struct *statbuf);
886 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
887 enum timestamp_set_resolution *p_ts_res);
889 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
891 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
892 struct dfs_GetDFSReferral *r);
893 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
894 const char *fname, const char *mask,
896 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
897 struct files_struct *fsp,
900 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
902 SMB_STRUCT_STAT *sbuf);
903 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
904 DIR *dirp, long offset);
905 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
907 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
909 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
911 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
912 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
914 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
916 int smb_vfs_call_open(struct vfs_handle_struct *handle,
917 struct smb_filename *smb_fname, struct files_struct *fsp,
918 int flags, mode_t mode);
919 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
920 struct smb_request *req,
921 uint16_t root_dir_fid,
922 struct smb_filename *smb_fname,
923 uint32_t access_mask,
924 uint32_t share_access,
925 uint32_t create_disposition,
926 uint32_t create_options,
927 uint32_t file_attributes,
928 uint32_t oplock_request,
929 uint64_t allocation_size,
930 uint32_t private_flags,
931 struct security_descriptor *sd,
932 struct ea_list *ea_list,
933 files_struct **result,
935 int smb_vfs_call_close(struct vfs_handle_struct *handle,
936 struct files_struct *fsp);
937 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
938 struct files_struct *fsp, void *data, size_t n);
939 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
940 struct files_struct *fsp, void *data, size_t n,
942 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
944 struct tevent_context *ev,
945 struct files_struct *fsp,
947 size_t n, off_t offset);
948 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
950 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
951 struct files_struct *fsp, const void *data,
953 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
954 struct files_struct *fsp, const void *data,
955 size_t n, off_t offset);
956 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
958 struct tevent_context *ev,
959 struct files_struct *fsp,
961 size_t n, off_t offset);
962 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
964 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
965 struct files_struct *fsp, off_t offset,
967 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
968 files_struct *fromfsp, const DATA_BLOB *header,
969 off_t offset, size_t count);
970 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
971 files_struct *tofsp, off_t offset,
973 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
974 const struct smb_filename *smb_fname_src,
975 const struct smb_filename *smb_fname_dst);
976 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
977 struct files_struct *fsp);
979 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
981 struct tevent_context *ev,
982 struct files_struct *fsp);
983 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
985 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
986 struct smb_filename *smb_fname);
987 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
988 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
989 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
990 struct smb_filename *smb_filename);
991 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
992 struct files_struct *fsp,
993 const SMB_STRUCT_STAT *sbuf);
994 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
995 const struct smb_filename *smb_fname);
996 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
998 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
999 struct files_struct *fsp, mode_t mode);
1000 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1001 uid_t uid, gid_t gid);
1002 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1003 struct files_struct *fsp, uid_t uid, gid_t gid);
1004 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1005 uid_t uid, gid_t gid);
1006 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1007 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1008 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1009 const struct smb_filename *smb_fname,
1010 struct smb_file_time *ft);
1011 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1012 struct files_struct *fsp, off_t offset);
1013 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1014 struct files_struct *fsp,
1015 enum vfs_fallocate_mode mode,
1018 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1019 struct files_struct *fsp, int op, off_t offset,
1020 off_t count, int type);
1021 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1022 struct files_struct *fsp, uint32 share_mode,
1023 uint32_t access_mask);
1024 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1025 struct files_struct *fsp, int leasetype);
1026 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1027 struct files_struct *fsp, off_t *poffset,
1028 off_t *pcount, int *ptype, pid_t *ppid);
1029 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1030 const char *newpath);
1031 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1032 const char *path, char *buf, size_t bufsiz);
1033 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1034 const char *newpath);
1035 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1036 mode_t mode, SMB_DEV_T dev);
1037 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1038 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1039 struct sys_notify_context *ctx,
1042 uint32_t *subdir_filter,
1043 void (*callback)(struct sys_notify_context *ctx,
1045 struct notify_event *ev),
1046 void *private_data, void *handle_p);
1047 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1048 unsigned int flags);
1049 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1050 const SMB_STRUCT_STAT *sbuf);
1051 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1052 struct files_struct *fsp,
1054 TALLOC_CTX *mem_ctx,
1055 unsigned int *num_streams,
1056 struct stream_struct **streams);
1057 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1058 const char *path, const char *name,
1059 TALLOC_CTX *mem_ctx, char **found_name);
1060 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1061 const char *filename);
1062 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1063 struct byte_range_lock *br_lck,
1064 struct lock_struct *plock,
1066 struct blocking_lock_record *blr);
1067 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1068 struct messaging_context *msg_ctx,
1069 struct byte_range_lock *br_lck,
1070 const struct lock_struct *plock);
1071 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1072 struct byte_range_lock *br_lck,
1073 struct lock_struct *plock,
1074 struct blocking_lock_record *blr);
1075 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1076 struct files_struct *fsp,
1077 struct lock_struct *plock);
1078 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1079 struct files_struct *fsp,
1080 struct lock_struct *plock);
1081 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1083 enum vfs_translate_direction direction,
1084 TALLOC_CTX *mem_ctx,
1085 char **mapped_name);
1086 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1087 struct files_struct *fsp,
1091 const uint8_t *_in_data,
1093 uint8_t **_out_data,
1094 uint32_t max_out_len,
1096 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1097 TALLOC_CTX *mem_ctx,
1098 struct tevent_context *ev,
1099 struct files_struct *src_fsp,
1101 struct files_struct *dest_fsp,
1104 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1105 struct tevent_req *req,
1107 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1108 struct files_struct *fsp,
1109 uint32 security_info,
1110 TALLOC_CTX *mem_ctx,
1111 struct security_descriptor **ppdesc);
1112 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1114 uint32 security_info,
1115 TALLOC_CTX *mem_ctx,
1116 struct security_descriptor **ppdesc);
1117 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1118 struct files_struct *fsp,
1119 uint32 security_info_sent,
1120 const struct security_descriptor *psd);
1121 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1122 struct smb_filename *file,
1123 struct security_acl *sacl,
1124 uint32_t access_requested,
1125 uint32_t access_denied);
1126 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1128 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1129 struct files_struct *fsp, mode_t mode);
1130 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1132 SMB_ACL_TYPE_T type,
1133 TALLOC_CTX *mem_ctx);
1134 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1135 struct files_struct *fsp,
1136 TALLOC_CTX *mem_ctx);
1137 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1139 TALLOC_CTX *mem_ctx,
1140 char **blob_description,
1142 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1143 struct files_struct *fsp,
1144 TALLOC_CTX *mem_ctx,
1145 char **blob_description,
1147 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1148 const char *name, SMB_ACL_TYPE_T acltype,
1150 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1151 struct files_struct *fsp, SMB_ACL_T theacl);
1152 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1154 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1155 const char *path, const char *name, void *value,
1157 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1158 struct files_struct *fsp, const char *name,
1159 void *value, size_t size);
1160 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1161 const char *path, char *list, size_t size);
1162 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1163 const char *path, char *list, size_t size);
1164 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1165 struct files_struct *fsp, char *list,
1167 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1168 const char *path, const char *name);
1169 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1170 struct files_struct *fsp, const char *name);
1171 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1172 const char *name, const void *value, size_t size,
1174 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1175 const char *name, const void *value, size_t size,
1177 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1178 struct files_struct *fsp, const char *name,
1179 const void *value, size_t size, int flags);
1180 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1181 struct files_struct *fsp);
1182 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1183 const struct smb_filename *fname,
1184 SMB_STRUCT_STAT *sbuf);
1185 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1186 const struct smb_filename *fname);
1187 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1188 struct files_struct *fsp,
1189 TALLOC_CTX *mem_ctx,
1191 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1192 struct files_struct *fsp,
1193 const DATA_BLOB old_cookie,
1194 TALLOC_CTX *mem_ctx,
1195 DATA_BLOB *new_cookie);
1196 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1197 struct smb_request *smb1req,
1198 struct smbXsrv_open *op,
1199 const DATA_BLOB old_cookie,
1200 TALLOC_CTX *mem_ctx,
1201 struct files_struct **fsp,
1202 DATA_BLOB *new_cookie);
1204 NTSTATUS smb_register_vfs(int version, const char *name,
1205 const struct vfs_fn_pointers *fns);
1206 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1207 files_struct *fsp, size_t ext_size,
1208 void (*destroy_fn)(void *p_data));
1209 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1210 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1211 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1212 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);