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 */
169 #define SMB_VFS_INTERFACE_VERSION 33
172 All intercepted VFS operations must be declared as static functions inside module source
173 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
174 example VFS modules for more details.
177 /* VFS operations structure */
179 struct vfs_handle_struct;
180 struct connection_struct;
182 struct security_descriptor;
183 struct vfs_statvfs_struct;
186 struct smb_file_time;
187 struct blocking_lock_record;
189 struct dfs_GetDFSReferral;
191 typedef union unid_t {
199 uint64_t position_information;
201 uint32 private_options; /* NT Create options, but we only look at
202 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
203 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
204 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
205 * for print files *only*, where
206 * DELETE_ON_CLOSE is not stored in the share
209 unsigned long gen_id;
214 struct smbd_server_connection *sconn;
215 struct tevent_timer *timeout;
216 struct smb2_lease lease;
219 typedef struct files_struct {
220 struct files_struct *next, *prev;
222 struct smbXsrv_open *op;
223 struct connection_struct *conn;
224 struct fd_handle *fh;
225 unsigned int num_smb_operations;
226 struct file_id file_id;
227 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
229 uint64_t vuid; /* SMB2 compat */
230 struct write_cache *wcp;
231 struct timeval open_time;
232 uint32 access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
233 uint32 share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
235 bool update_write_time_triggered;
236 struct tevent_timer *update_write_time_event;
237 bool update_write_time_on_close;
238 struct timespec close_write_time;
239 bool write_time_forced;
242 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
243 int sent_oplock_break;
244 struct tevent_timer *oplock_timeout;
245 struct lock_struct last_lock_failure;
246 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
253 bool aio_write_behind;
254 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
255 bool delete_on_close;
258 bool backup_intent; /* Handle was successfully opened with backup intent
259 and opener has privilege to do so. */
260 struct smb_filename *fsp_name;
261 uint32_t name_hash; /* Jenkins hash of full pathname. */
262 uint64_t mid; /* Mid of the operation that created us. */
264 struct vfs_fsp_data *vfs_extension;
265 struct fake_file_handle *fake_file_handle;
267 struct notify_change_buf *notify;
269 struct files_struct *base_fsp; /* placeholder for delete on close */
272 * Read-only cached brlock record, thrown away when the
273 * brlock.tdb seqnum changes. This avoids fetching data from
274 * the brlock.tdb on every read/write call.
277 struct byte_range_lock *brlock_rec;
279 struct dptr_struct *dptr;
281 /* if not NULL, means this is a print file */
282 struct print_file_data *print_file;
284 unsigned num_aio_requests;
285 struct tevent_req **aio_requests;
288 * If a close request comes in while we still have aio_requests
289 * around, we need to hold back the close. When all aio_requests are
290 * done, the aio completion routines need tevent_wait_done() on
291 * this. A bit ugly, but before we have close_file() fully async
292 * possibly the simplest approach. Thanks, Jeremy for the idea.
294 struct tevent_req *deferred_close;
297 struct vuid_cache_entry {
298 struct auth_session_info *session_info;
299 uint64_t vuid; /* SMB2 compat */
301 uint32_t share_access;
305 unsigned int next_entry;
306 struct vuid_cache_entry array[VUID_CACHE_SIZE];
312 } name_compare_entry;
314 struct dfree_cached_info {
315 time_t last_dfree_time;
322 struct share_params {
326 typedef struct connection_struct {
327 struct connection_struct *next, *prev;
328 struct smbd_server_connection *sconn; /* can be NULL */
329 struct smbXsrv_tcon *tcon; /* can be NULL */
330 uint32_t cnum; /* an index passed over the wire */
331 struct share_params *params;
333 struct vuid_cache *vuid_cache;
336 bool read_only; /* Attributes for the current user of the share. */
337 uint32_t share_access;
338 /* Does this filesystem honor
339 sub second timestamps on files
340 and directories when setting time ? */
341 enum timestamp_set_resolution ts_res;
344 char *cwd; /* Working directory. */
346 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
349 * This represents the user information on this connection. Depending
350 * on the vuid using this tid, this might change per SMB request.
352 struct auth_session_info *session_info;
355 * If the "force group" parameter is set, this is the primary gid that
356 * may be used in the users token, depending on the vuid using this tid.
358 gid_t force_group_gid;
360 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
363 time_t lastused_count;
365 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
369 /* Semantics requested by the client or forced by the server config. */
372 bool short_case_preserve;
374 /* Semantics provided by the underlying filesystem. */
376 /* Device number of the directory of the share mount.
377 Used to ensure unique FileIndex returns. */
378 SMB_DEV_T base_share_dev;
380 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
381 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
382 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
383 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
384 struct dfree_cached_info *dfree_info;
385 struct trans_state *pending_trans;
387 struct rpc_pipe_client *spoolss_pipe;
391 struct smbd_smb2_request;
392 struct privilege_paths;
398 uint64_t mid; /* For compatibility with SMB2. */
400 uint64_t vuid; /* For compatibility with SMB2. */
409 * Async handling in the main smb processing loop is directed by
410 * outbuf: reply_xxx routines indicate sync behaviour by putting their
411 * reply into "outbuf". If they leave it as NULL, they take care of it
412 * themselves, possibly later.
414 * If async handling is wanted, the reply_xxx routine must make sure
415 * that it talloc_move()s the smb_req somewhere else.
421 connection_struct *conn;
422 struct smbd_server_connection *sconn;
423 struct smbXsrv_connection *xconn;
424 struct smb_perfcount_data pcd;
427 * Chained request handling
429 struct files_struct *chain_fsp;
432 * state information for async smb handling
437 * Back pointer to smb2 request.
439 struct smbd_smb2_request *smb2req;
442 * Pathnames used if request done
445 struct privilege_paths *priv_paths;
448 * Request list for chained requests, we're part of it.
450 struct smb_request **chain;
452 struct timeval request_time;
456 * Info about an alternate data stream
459 struct stream_struct {
466 struct smb_file_time {
467 struct timespec mtime;
468 struct timespec atime;
469 struct timespec ctime;
470 struct timespec create_time;
476 struct smb_filename {
479 char *original_lcomp;
483 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
484 handle = handle->next; \
487 enum vfs_translate_direction {
488 vfs_translate_to_unix = 0,
489 vfs_translate_to_windows
492 enum vfs_fallocate_flags {
493 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
494 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
498 Available VFS operations. These values must be in sync with vfs_ops struct
499 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
500 In particular, if new operations are added to vfs_ops, appropriate constants
501 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
503 struct shadow_copy_data;
505 struct vfs_fn_pointers {
506 /* Disk operations */
508 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
509 void (*disconnect_fn)(struct vfs_handle_struct *handle);
510 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
511 uint64_t *dfree, uint64_t *dsize);
512 int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
513 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
514 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
515 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
516 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
519 * Note: that "struct dfs_GetDFSReferral *r"
520 * needs to be a valid TALLOC_CTX
522 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
523 struct dfs_GetDFSReferral *r);
525 /* Directory operations */
527 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
528 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
529 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
531 SMB_STRUCT_STAT *sbuf);
532 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
533 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
534 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
535 int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
536 int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
537 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
538 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
540 /* File operations */
542 int (*open_fn)(struct vfs_handle_struct *handle,
543 struct smb_filename *smb_fname, files_struct *fsp,
544 int flags, mode_t mode);
545 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
546 struct smb_request *req,
547 uint16_t root_dir_fid,
548 struct smb_filename *smb_fname,
549 uint32_t access_mask,
550 uint32_t share_access,
551 uint32_t create_disposition,
552 uint32_t create_options,
553 uint32_t file_attributes,
554 uint32_t oplock_request,
555 struct smb2_lease *lease,
556 uint64_t allocation_size,
557 uint32_t private_flags,
558 struct security_descriptor *sd,
559 struct ea_list *ea_list,
560 files_struct **result,
562 const struct smb2_create_blobs *in_context_blobs,
563 struct smb2_create_blobs *out_context_blobs);
564 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
565 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
566 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
567 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
569 struct tevent_context *ev,
570 struct files_struct *fsp,
572 size_t n, off_t offset);
573 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
574 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
575 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
576 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
578 struct tevent_context *ev,
579 struct files_struct *fsp,
581 size_t n, off_t offset);
582 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
583 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
584 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
585 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
586 int (*rename_fn)(struct vfs_handle_struct *handle,
587 const struct smb_filename *smb_fname_src,
588 const struct smb_filename *smb_fname_dst);
589 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
590 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
592 struct tevent_context *ev,
593 struct files_struct *fsp);
594 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
595 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
596 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
597 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
598 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
599 int (*unlink_fn)(struct vfs_handle_struct *handle,
600 const struct smb_filename *smb_fname);
601 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
602 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
603 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
604 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
605 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
606 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
607 char *(*getwd_fn)(struct vfs_handle_struct *handle);
608 int (*ntimes_fn)(struct vfs_handle_struct *handle,
609 const struct smb_filename *smb_fname,
610 struct smb_file_time *ft);
611 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
612 int (*fallocate_fn)(struct vfs_handle_struct *handle,
613 struct files_struct *fsp,
617 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
618 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
619 uint32 share_mode, uint32_t access_mask);
620 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
621 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
622 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
623 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
624 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
625 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
626 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
627 NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
628 struct sys_notify_context *ctx,
631 uint32_t *subdir_filter,
632 void (*callback)(struct sys_notify_context *ctx,
634 struct notify_event *ev),
637 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
638 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
639 const SMB_STRUCT_STAT *sbuf);
640 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
642 struct tevent_context *ev,
643 struct files_struct *src_fsp,
645 struct files_struct *dest_fsp,
648 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
649 struct tevent_req *req,
651 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
653 struct files_struct *fsp,
654 struct smb_filename *smb_fname,
655 uint16_t *_compression_fmt);
656 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
658 struct files_struct *fsp,
659 uint16_t compression_fmt);
660 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
662 const char *service_path,
664 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
666 const char *base_volume,
671 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
676 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
677 struct files_struct *fsp,
680 unsigned int *num_streams,
681 struct stream_struct **streams);
683 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
689 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
690 const char *filename);
692 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
693 struct byte_range_lock *br_lck,
694 struct lock_struct *plock,
697 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
698 struct messaging_context *msg_ctx,
699 struct byte_range_lock *br_lck,
700 const struct lock_struct *plock);
702 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
703 struct byte_range_lock *br_lck,
704 struct lock_struct *plock);
706 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
707 struct files_struct *fsp,
708 struct lock_struct *plock);
710 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
711 struct files_struct *fsp,
712 struct lock_struct *plock);
714 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
716 enum vfs_translate_direction direction,
720 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
721 struct files_struct *fsp,
725 const uint8_t *_in_data,
728 uint32_t max_out_len,
731 /* NT ACL operations. */
733 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
734 struct files_struct *fsp,
735 uint32 security_info,
737 struct security_descriptor **ppdesc);
738 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
740 uint32 security_info,
742 struct security_descriptor **ppdesc);
743 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
744 struct files_struct *fsp,
745 uint32 security_info_sent,
746 const struct security_descriptor *psd);
748 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
749 struct smb_filename *file,
750 struct security_acl *sacl,
751 uint32_t access_requested,
752 uint32_t access_denied);
754 /* POSIX ACL operations. */
756 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
757 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
759 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
762 TALLOC_CTX *mem_ctx);
763 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
764 struct files_struct *fsp,
765 TALLOC_CTX *mem_ctx);
766 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
769 char **blob_description,
771 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
772 TALLOC_CTX *mem_ctx, char **blob_description,
774 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
775 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
776 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
779 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
780 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
781 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
782 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
783 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
784 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
785 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
786 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
789 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
791 /* offline operations */
792 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
793 const struct smb_filename *fname,
794 SMB_STRUCT_STAT *sbuf);
795 int (*set_offline_fn)(struct vfs_handle_struct *handle,
796 const struct smb_filename *fname);
798 /* durable handle operations */
799 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
800 struct files_struct *fsp,
803 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
804 struct files_struct *fsp,
805 const DATA_BLOB old_cookie,
807 DATA_BLOB *new_cookie);
808 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
809 struct smb_request *smb1req,
810 struct smbXsrv_open *op,
811 const DATA_BLOB old_cookie,
813 struct files_struct **fsp,
814 DATA_BLOB *new_cookie);
816 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
817 const struct smb_filename *fname,
819 struct readdir_attr_data **attr_data);
823 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
824 which describes all operations this module is willing to intercept.
825 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
826 using this information.
829 typedef struct vfs_handle_struct {
830 struct vfs_handle_struct *next, *prev;
832 struct connection_struct *conn;
833 const struct vfs_fn_pointers *fns;
835 void (*free_data)(void **data);
839 typedef struct vfs_statvfs_struct {
840 /* For undefined recommended transfer size return -1 in that field */
841 uint32 OptimalTransferSize; /* bsize on some os, iosize on other os */
845 The next three fields are in terms of the block size.
846 (above). If block size is unknown, 4096 would be a
847 reasonable block size for a server to report.
848 Note that returning the blocks/blocksavail removes need
849 to make a second call (to QFSInfo level 0x103 to get this info.
850 UserBlockAvail is typically less than or equal to BlocksAvail,
851 if no distinction is made return the same value in each.
854 uint64_t TotalBlocks;
855 uint64_t BlocksAvail; /* bfree */
856 uint64_t UserBlocksAvail; /* bavail */
858 /* For undefined Node fields or FSID return -1 */
859 uint64_t TotalFileNodes;
860 uint64_t FreeFileNodes;
861 uint64_t FsIdentifier; /* fsid */
862 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
863 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
866 } vfs_statvfs_struct;
868 /* Add a new FSP extension of the given type. Returns a pointer to the
871 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
872 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
874 /* Return a pointer to the existing FSP extension data. */
875 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
876 vfs_fetch_fsp_extension(handle, (fsp))
878 /* Return the talloc context associated with an FSP extension. */
879 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
880 vfs_memctx_fsp_extension(handle, (fsp))
882 /* Remove and destroy an FSP extension. */
883 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
884 vfs_remove_fsp_extension((handle), (fsp))
886 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
887 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
888 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
893 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
895 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
898 if ((handle)->free_data) { \
899 (handle)->free_data(&(handle)->data); \
901 (handle)->data = (void *)datap; \
902 (handle)->free_data = free_fn; \
906 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
907 if ((handle) && (handle)->free_data) { \
908 (handle)->free_data(&(handle)->data); \
912 /* Check whether module-specific data handle was already allocated or not */
913 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
915 #define SMB_VFS_OP(x) ((void *) x)
917 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
919 #include "vfs_macros.h"
921 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
922 const char *service, const char *user);
923 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
924 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
925 const char *path, uint64_t *bsize,
926 uint64_t *dfree, uint64_t *dsize);
927 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
928 enum SMB_QUOTA_TYPE qtype, unid_t id,
930 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
931 enum SMB_QUOTA_TYPE qtype, unid_t id,
933 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
934 struct files_struct *fsp,
935 struct shadow_copy_data *shadow_copy_data,
937 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
938 struct vfs_statvfs_struct *statbuf);
939 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
940 enum timestamp_set_resolution *p_ts_res);
942 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
944 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
945 struct dfs_GetDFSReferral *r);
946 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
947 const char *fname, const char *mask,
949 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
950 struct files_struct *fsp,
953 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
955 SMB_STRUCT_STAT *sbuf);
956 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
957 DIR *dirp, long offset);
958 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
960 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
962 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
964 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
965 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
967 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
969 int smb_vfs_call_open(struct vfs_handle_struct *handle,
970 struct smb_filename *smb_fname, struct files_struct *fsp,
971 int flags, mode_t mode);
972 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
973 struct smb_request *req,
974 uint16_t root_dir_fid,
975 struct smb_filename *smb_fname,
976 uint32_t access_mask,
977 uint32_t share_access,
978 uint32_t create_disposition,
979 uint32_t create_options,
980 uint32_t file_attributes,
981 uint32_t oplock_request,
982 struct smb2_lease *lease,
983 uint64_t allocation_size,
984 uint32_t private_flags,
985 struct security_descriptor *sd,
986 struct ea_list *ea_list,
987 files_struct **result,
989 const struct smb2_create_blobs *in_context_blobs,
990 struct smb2_create_blobs *out_context_blobs);
991 int smb_vfs_call_close(struct vfs_handle_struct *handle,
992 struct files_struct *fsp);
993 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
994 struct files_struct *fsp, void *data, size_t n);
995 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
996 struct files_struct *fsp, void *data, size_t n,
998 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1000 struct tevent_context *ev,
1001 struct files_struct *fsp,
1003 size_t n, off_t offset);
1004 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
1006 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1007 struct files_struct *fsp, const void *data,
1009 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1010 struct files_struct *fsp, const void *data,
1011 size_t n, off_t offset);
1012 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1013 TALLOC_CTX *mem_ctx,
1014 struct tevent_context *ev,
1015 struct files_struct *fsp,
1017 size_t n, off_t offset);
1018 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
1020 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1021 struct files_struct *fsp, off_t offset,
1023 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1024 files_struct *fromfsp, const DATA_BLOB *header,
1025 off_t offset, size_t count);
1026 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1027 files_struct *tofsp, off_t offset,
1029 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1030 const struct smb_filename *smb_fname_src,
1031 const struct smb_filename *smb_fname_dst);
1032 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1033 struct files_struct *fsp);
1035 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1036 TALLOC_CTX *mem_ctx,
1037 struct tevent_context *ev,
1038 struct files_struct *fsp);
1039 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
1041 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1042 struct smb_filename *smb_fname);
1043 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1044 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1045 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1046 struct smb_filename *smb_filename);
1047 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1048 struct files_struct *fsp,
1049 const SMB_STRUCT_STAT *sbuf);
1050 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1051 const struct smb_filename *smb_fname);
1052 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1054 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1055 struct files_struct *fsp, mode_t mode);
1056 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1057 uid_t uid, gid_t gid);
1058 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1059 struct files_struct *fsp, uid_t uid, gid_t gid);
1060 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1061 uid_t uid, gid_t gid);
1062 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1063 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1064 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1065 const struct smb_filename *smb_fname,
1066 struct smb_file_time *ft);
1067 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1068 struct files_struct *fsp, off_t offset);
1069 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1070 struct files_struct *fsp,
1074 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1075 struct files_struct *fsp, int op, off_t offset,
1076 off_t count, int type);
1077 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1078 struct files_struct *fsp, uint32 share_mode,
1079 uint32_t access_mask);
1080 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1081 struct files_struct *fsp, int leasetype);
1082 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1083 struct files_struct *fsp, off_t *poffset,
1084 off_t *pcount, int *ptype, pid_t *ppid);
1085 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1086 const char *newpath);
1087 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1088 const char *path, char *buf, size_t bufsiz);
1089 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1090 const char *newpath);
1091 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1092 mode_t mode, SMB_DEV_T dev);
1093 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1094 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1095 struct sys_notify_context *ctx,
1098 uint32_t *subdir_filter,
1099 void (*callback)(struct sys_notify_context *ctx,
1101 struct notify_event *ev),
1102 void *private_data, void *handle_p);
1103 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1104 unsigned int flags);
1105 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1106 const SMB_STRUCT_STAT *sbuf);
1107 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1108 struct files_struct *fsp,
1110 TALLOC_CTX *mem_ctx,
1111 unsigned int *num_streams,
1112 struct stream_struct **streams);
1113 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1114 const char *path, const char *name,
1115 TALLOC_CTX *mem_ctx, char **found_name);
1116 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1117 const char *filename);
1118 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1119 struct byte_range_lock *br_lck,
1120 struct lock_struct *plock,
1121 bool blocking_lock);
1122 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1123 struct messaging_context *msg_ctx,
1124 struct byte_range_lock *br_lck,
1125 const struct lock_struct *plock);
1126 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1127 struct byte_range_lock *br_lck,
1128 struct lock_struct *plock);
1129 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1130 struct files_struct *fsp,
1131 struct lock_struct *plock);
1132 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1133 struct files_struct *fsp,
1134 struct lock_struct *plock);
1135 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1137 enum vfs_translate_direction direction,
1138 TALLOC_CTX *mem_ctx,
1139 char **mapped_name);
1140 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1141 struct files_struct *fsp,
1145 const uint8_t *_in_data,
1147 uint8_t **_out_data,
1148 uint32_t max_out_len,
1150 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1151 TALLOC_CTX *mem_ctx,
1152 struct tevent_context *ev,
1153 struct files_struct *src_fsp,
1155 struct files_struct *dest_fsp,
1158 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1159 struct tevent_req *req,
1161 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1162 TALLOC_CTX *mem_ctx,
1163 struct files_struct *fsp,
1164 struct smb_filename *smb_fname,
1165 uint16_t *_compression_fmt);
1166 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1167 TALLOC_CTX *mem_ctx,
1168 struct files_struct *fsp,
1169 uint16_t compression_fmt);
1170 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1171 TALLOC_CTX *mem_ctx,
1172 const char *service_path,
1173 char **base_volume);
1174 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1175 TALLOC_CTX *mem_ctx,
1176 const char *base_volume,
1181 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1182 TALLOC_CTX *mem_ctx,
1185 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1186 struct files_struct *fsp,
1187 uint32 security_info,
1188 TALLOC_CTX *mem_ctx,
1189 struct security_descriptor **ppdesc);
1190 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1192 uint32 security_info,
1193 TALLOC_CTX *mem_ctx,
1194 struct security_descriptor **ppdesc);
1195 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1196 struct files_struct *fsp,
1197 uint32 security_info_sent,
1198 const struct security_descriptor *psd);
1199 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1200 struct smb_filename *file,
1201 struct security_acl *sacl,
1202 uint32_t access_requested,
1203 uint32_t access_denied);
1204 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1206 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1207 struct files_struct *fsp, mode_t mode);
1208 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1210 SMB_ACL_TYPE_T type,
1211 TALLOC_CTX *mem_ctx);
1212 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1213 struct files_struct *fsp,
1214 TALLOC_CTX *mem_ctx);
1215 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1217 TALLOC_CTX *mem_ctx,
1218 char **blob_description,
1220 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1221 struct files_struct *fsp,
1222 TALLOC_CTX *mem_ctx,
1223 char **blob_description,
1225 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1226 const char *name, SMB_ACL_TYPE_T acltype,
1228 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1229 struct files_struct *fsp, SMB_ACL_T theacl);
1230 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1232 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1233 const char *path, const char *name, void *value,
1235 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1236 struct files_struct *fsp, const char *name,
1237 void *value, size_t size);
1238 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1239 const char *path, char *list, size_t size);
1240 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1241 const char *path, char *list, size_t size);
1242 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1243 struct files_struct *fsp, char *list,
1245 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1246 const char *path, const char *name);
1247 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1248 struct files_struct *fsp, const char *name);
1249 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1250 const char *name, const void *value, size_t size,
1252 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1253 const char *name, const void *value, size_t size,
1255 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1256 struct files_struct *fsp, const char *name,
1257 const void *value, size_t size, int flags);
1258 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1259 struct files_struct *fsp);
1260 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1261 const struct smb_filename *fname,
1262 SMB_STRUCT_STAT *sbuf);
1263 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1264 const struct smb_filename *fname);
1265 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1266 struct files_struct *fsp,
1267 TALLOC_CTX *mem_ctx,
1269 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1270 struct files_struct *fsp,
1271 const DATA_BLOB old_cookie,
1272 TALLOC_CTX *mem_ctx,
1273 DATA_BLOB *new_cookie);
1274 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1275 struct smb_request *smb1req,
1276 struct smbXsrv_open *op,
1277 const DATA_BLOB old_cookie,
1278 TALLOC_CTX *mem_ctx,
1279 struct files_struct **fsp,
1280 DATA_BLOB *new_cookie);
1281 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1282 const struct smb_filename *fname,
1283 TALLOC_CTX *mem_ctx,
1284 struct readdir_attr_data **attr_data);
1286 NTSTATUS smb_register_vfs(int version, const char *name,
1287 const struct vfs_fn_pointers *fns);
1288 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1289 files_struct *fsp, size_t ext_size,
1290 void (*destroy_fn)(void *p_data));
1291 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1292 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1293 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1294 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);