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() */
164 #define SMB_VFS_INTERFACE_VERSION 32
167 All intercepted VFS operations must be declared as static functions inside module source
168 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
169 example VFS modules for more details.
172 /* VFS operations structure */
174 struct vfs_handle_struct;
175 struct connection_struct;
177 struct security_descriptor;
178 struct vfs_statvfs_struct;
181 struct smb_file_time;
182 struct blocking_lock_record;
184 struct dfs_GetDFSReferral;
186 typedef union unid_t {
194 uint64_t position_information;
196 uint32 private_options; /* NT Create options, but we only look at
197 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
198 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
199 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
200 * for print files *only*, where
201 * DELETE_ON_CLOSE is not stored in the share
204 unsigned long gen_id;
209 struct smbd_server_connection *sconn;
210 struct tevent_timer *timeout;
211 struct smb2_lease lease;
214 typedef struct files_struct {
215 struct files_struct *next, *prev;
217 struct smbXsrv_open *op;
218 struct connection_struct *conn;
219 struct fd_handle *fh;
220 unsigned int num_smb_operations;
221 struct file_id file_id;
222 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
224 uint64_t vuid; /* SMB2 compat */
225 struct write_cache *wcp;
226 struct timeval open_time;
227 uint32 access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
228 uint32 share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
230 bool update_write_time_triggered;
231 struct tevent_timer *update_write_time_event;
232 bool update_write_time_on_close;
233 struct timespec close_write_time;
234 bool write_time_forced;
237 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
238 int sent_oplock_break;
239 struct tevent_timer *oplock_timeout;
240 struct lock_struct last_lock_failure;
241 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
248 bool aio_write_behind;
249 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
250 bool delete_on_close;
253 bool backup_intent; /* Handle was successfully opened with backup intent
254 and opener has privilege to do so. */
255 struct smb_filename *fsp_name;
256 uint32_t name_hash; /* Jenkins hash of full pathname. */
257 uint64_t mid; /* Mid of the operation that created us. */
259 struct vfs_fsp_data *vfs_extension;
260 struct fake_file_handle *fake_file_handle;
262 struct notify_change_buf *notify;
264 struct files_struct *base_fsp; /* placeholder for delete on close */
267 * Read-only cached brlock record, thrown away when the
268 * brlock.tdb seqnum changes. This avoids fetching data from
269 * the brlock.tdb on every read/write call.
272 struct byte_range_lock *brlock_rec;
274 struct dptr_struct *dptr;
276 /* if not NULL, means this is a print file */
277 struct print_file_data *print_file;
279 unsigned num_aio_requests;
280 struct tevent_req **aio_requests;
283 * If a close request comes in while we still have aio_requests
284 * around, we need to hold back the close. When all aio_requests are
285 * done, the aio completion routines need tevent_wait_done() on
286 * this. A bit ugly, but before we have close_file() fully async
287 * possibly the simplest approach. Thanks, Jeremy for the idea.
289 struct tevent_req *deferred_close;
292 struct vuid_cache_entry {
293 struct auth_session_info *session_info;
294 uint64_t vuid; /* SMB2 compat */
296 uint32_t share_access;
300 unsigned int next_entry;
301 struct vuid_cache_entry array[VUID_CACHE_SIZE];
307 } name_compare_entry;
309 struct dfree_cached_info {
310 time_t last_dfree_time;
317 struct share_params {
321 typedef struct connection_struct {
322 struct connection_struct *next, *prev;
323 struct smbd_server_connection *sconn; /* can be NULL */
324 struct smbXsrv_tcon *tcon; /* can be NULL */
325 uint32_t cnum; /* an index passed over the wire */
326 struct share_params *params;
328 struct vuid_cache *vuid_cache;
331 bool read_only; /* Attributes for the current user of the share. */
332 uint32_t share_access;
333 /* Does this filesystem honor
334 sub second timestamps on files
335 and directories when setting time ? */
336 enum timestamp_set_resolution ts_res;
339 char *cwd; /* Working directory. */
341 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
344 * This represents the user information on this connection. Depending
345 * on the vuid using this tid, this might change per SMB request.
347 struct auth_session_info *session_info;
350 * If the "force group" parameter is set, this is the primary gid that
351 * may be used in the users token, depending on the vuid using this tid.
353 gid_t force_group_gid;
355 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
358 time_t lastused_count;
360 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
364 /* Semantics requested by the client or forced by the server config. */
367 bool short_case_preserve;
369 /* Semantics provided by the underlying filesystem. */
371 /* Device number of the directory of the share mount.
372 Used to ensure unique FileIndex returns. */
373 SMB_DEV_T base_share_dev;
375 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
376 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
377 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
378 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
379 struct dfree_cached_info *dfree_info;
380 struct trans_state *pending_trans;
382 struct rpc_pipe_client *spoolss_pipe;
386 struct smbd_smb2_request;
387 struct privilege_paths;
393 uint64_t mid; /* For compatibility with SMB2. */
395 uint64_t vuid; /* For compatibility with SMB2. */
404 * Async handling in the main smb processing loop is directed by
405 * outbuf: reply_xxx routines indicate sync behaviour by putting their
406 * reply into "outbuf". If they leave it as NULL, they take care of it
407 * themselves, possibly later.
409 * If async handling is wanted, the reply_xxx routine must make sure
410 * that it talloc_move()s the smb_req somewhere else.
416 connection_struct *conn;
417 struct smbd_server_connection *sconn;
418 struct smbXsrv_connection *xconn;
419 struct smb_perfcount_data pcd;
422 * Chained request handling
424 struct files_struct *chain_fsp;
427 * state information for async smb handling
432 * Back pointer to smb2 request.
434 struct smbd_smb2_request *smb2req;
437 * Pathnames used if request done
440 struct privilege_paths *priv_paths;
443 * Request list for chained requests, we're part of it.
445 struct smb_request **chain;
447 struct timeval request_time;
451 * Info about an alternate data stream
454 struct stream_struct {
461 struct smb_file_time {
462 struct timespec mtime;
463 struct timespec atime;
464 struct timespec ctime;
465 struct timespec create_time;
471 struct smb_filename {
474 char *original_lcomp;
478 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
479 handle = handle->next; \
482 enum vfs_translate_direction {
483 vfs_translate_to_unix = 0,
484 vfs_translate_to_windows
487 enum vfs_fallocate_mode {
488 VFS_FALLOCATE_EXTEND_SIZE = 0,
489 VFS_FALLOCATE_KEEP_SIZE = 1
493 Available VFS operations. These values must be in sync with vfs_ops struct
494 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
495 In particular, if new operations are added to vfs_ops, appropriate constants
496 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
498 struct shadow_copy_data;
500 struct vfs_fn_pointers {
501 /* Disk operations */
503 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
504 void (*disconnect_fn)(struct vfs_handle_struct *handle);
505 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
506 uint64_t *dfree, uint64_t *dsize);
507 int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
508 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
509 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
510 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
511 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
514 * Note: that "struct dfs_GetDFSReferral *r"
515 * needs to be a valid TALLOC_CTX
517 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
518 struct dfs_GetDFSReferral *r);
520 /* Directory operations */
522 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
523 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
524 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
526 SMB_STRUCT_STAT *sbuf);
527 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
528 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
529 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
530 int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
531 int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
532 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
533 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
535 /* File operations */
537 int (*open_fn)(struct vfs_handle_struct *handle,
538 struct smb_filename *smb_fname, files_struct *fsp,
539 int flags, mode_t mode);
540 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
541 struct smb_request *req,
542 uint16_t root_dir_fid,
543 struct smb_filename *smb_fname,
544 uint32_t access_mask,
545 uint32_t share_access,
546 uint32_t create_disposition,
547 uint32_t create_options,
548 uint32_t file_attributes,
549 uint32_t oplock_request,
550 struct smb2_lease *lease,
551 uint64_t allocation_size,
552 uint32_t private_flags,
553 struct security_descriptor *sd,
554 struct ea_list *ea_list,
555 files_struct **result,
557 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
558 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
559 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
560 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
562 struct tevent_context *ev,
563 struct files_struct *fsp,
565 size_t n, off_t offset);
566 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
567 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
568 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
569 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
571 struct tevent_context *ev,
572 struct files_struct *fsp,
574 size_t n, off_t offset);
575 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
576 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
577 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
578 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
579 int (*rename_fn)(struct vfs_handle_struct *handle,
580 const struct smb_filename *smb_fname_src,
581 const struct smb_filename *smb_fname_dst);
582 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
583 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
585 struct tevent_context *ev,
586 struct files_struct *fsp);
587 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
588 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
589 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
590 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
591 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
592 int (*unlink_fn)(struct vfs_handle_struct *handle,
593 const struct smb_filename *smb_fname);
594 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
595 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
596 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
597 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
598 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
599 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
600 char *(*getwd_fn)(struct vfs_handle_struct *handle);
601 int (*ntimes_fn)(struct vfs_handle_struct *handle,
602 const struct smb_filename *smb_fname,
603 struct smb_file_time *ft);
604 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
605 int (*fallocate_fn)(struct vfs_handle_struct *handle,
606 struct files_struct *fsp,
607 enum vfs_fallocate_mode mode,
610 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
611 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
612 uint32 share_mode, uint32_t access_mask);
613 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
614 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
615 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
616 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
617 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
618 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
619 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
620 NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
621 struct sys_notify_context *ctx,
624 uint32_t *subdir_filter,
625 void (*callback)(struct sys_notify_context *ctx,
627 struct notify_event *ev),
630 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
631 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
632 const SMB_STRUCT_STAT *sbuf);
633 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
635 struct tevent_context *ev,
636 struct files_struct *src_fsp,
638 struct files_struct *dest_fsp,
641 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
642 struct tevent_req *req,
644 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
646 struct files_struct *fsp,
647 struct smb_filename *smb_fname,
648 uint16_t *_compression_fmt);
649 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
651 struct files_struct *fsp,
652 uint16_t compression_fmt);
654 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
655 struct files_struct *fsp,
658 unsigned int *num_streams,
659 struct stream_struct **streams);
661 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
667 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
668 const char *filename);
670 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
671 struct byte_range_lock *br_lck,
672 struct lock_struct *plock,
675 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
676 struct messaging_context *msg_ctx,
677 struct byte_range_lock *br_lck,
678 const struct lock_struct *plock);
680 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
681 struct byte_range_lock *br_lck,
682 struct lock_struct *plock);
684 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
685 struct files_struct *fsp,
686 struct lock_struct *plock);
688 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
689 struct files_struct *fsp,
690 struct lock_struct *plock);
692 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
694 enum vfs_translate_direction direction,
698 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
699 struct files_struct *fsp,
703 const uint8_t *_in_data,
706 uint32_t max_out_len,
709 /* NT ACL operations. */
711 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
712 struct files_struct *fsp,
713 uint32 security_info,
715 struct security_descriptor **ppdesc);
716 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
718 uint32 security_info,
720 struct security_descriptor **ppdesc);
721 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
722 struct files_struct *fsp,
723 uint32 security_info_sent,
724 const struct security_descriptor *psd);
726 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
727 struct smb_filename *file,
728 struct security_acl *sacl,
729 uint32_t access_requested,
730 uint32_t access_denied);
732 /* POSIX ACL operations. */
734 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
735 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
737 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
740 TALLOC_CTX *mem_ctx);
741 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
742 struct files_struct *fsp,
743 TALLOC_CTX *mem_ctx);
744 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
747 char **blob_description,
749 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
750 TALLOC_CTX *mem_ctx, char **blob_description,
752 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
753 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
754 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
757 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
758 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
759 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
760 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
761 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
762 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
763 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
764 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
767 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
769 /* offline operations */
770 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
771 const struct smb_filename *fname,
772 SMB_STRUCT_STAT *sbuf);
773 int (*set_offline_fn)(struct vfs_handle_struct *handle,
774 const struct smb_filename *fname);
776 /* durable handle operations */
777 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
778 struct files_struct *fsp,
781 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
782 struct files_struct *fsp,
783 const DATA_BLOB old_cookie,
785 DATA_BLOB *new_cookie);
786 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
787 struct smb_request *smb1req,
788 struct smbXsrv_open *op,
789 const DATA_BLOB old_cookie,
791 struct files_struct **fsp,
792 DATA_BLOB *new_cookie);
794 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
795 const struct smb_filename *fname,
797 struct readdir_attr_data **attr_data);
801 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
802 which describes all operations this module is willing to intercept.
803 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
804 using this information.
807 typedef struct vfs_handle_struct {
808 struct vfs_handle_struct *next, *prev;
810 struct connection_struct *conn;
811 const struct vfs_fn_pointers *fns;
813 void (*free_data)(void **data);
817 typedef struct vfs_statvfs_struct {
818 /* For undefined recommended transfer size return -1 in that field */
819 uint32 OptimalTransferSize; /* bsize on some os, iosize on other os */
823 The next three fields are in terms of the block size.
824 (above). If block size is unknown, 4096 would be a
825 reasonable block size for a server to report.
826 Note that returning the blocks/blocksavail removes need
827 to make a second call (to QFSInfo level 0x103 to get this info.
828 UserBlockAvail is typically less than or equal to BlocksAvail,
829 if no distinction is made return the same value in each.
832 uint64_t TotalBlocks;
833 uint64_t BlocksAvail; /* bfree */
834 uint64_t UserBlocksAvail; /* bavail */
836 /* For undefined Node fields or FSID return -1 */
837 uint64_t TotalFileNodes;
838 uint64_t FreeFileNodes;
839 uint64_t FsIdentifier; /* fsid */
840 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
841 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
844 } vfs_statvfs_struct;
846 /* Add a new FSP extension of the given type. Returns a pointer to the
849 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
850 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
852 /* Return a pointer to the existing FSP extension data. */
853 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
854 vfs_fetch_fsp_extension(handle, (fsp))
856 /* Return the talloc context associated with an FSP extension. */
857 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
858 vfs_memctx_fsp_extension(handle, (fsp))
860 /* Remove and destroy an FSP extension. */
861 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
862 vfs_remove_fsp_extension((handle), (fsp))
864 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
865 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
866 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
871 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
873 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
876 if ((handle)->free_data) { \
877 (handle)->free_data(&(handle)->data); \
879 (handle)->data = (void *)datap; \
880 (handle)->free_data = free_fn; \
884 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
885 if ((handle) && (handle)->free_data) { \
886 (handle)->free_data(&(handle)->data); \
890 /* Check whether module-specific data handle was already allocated or not */
891 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
893 #define SMB_VFS_OP(x) ((void *) x)
895 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
897 #include "vfs_macros.h"
899 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
900 const char *service, const char *user);
901 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
902 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
903 const char *path, bool small_query,
904 uint64_t *bsize, uint64_t *dfree,
906 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
907 enum SMB_QUOTA_TYPE qtype, unid_t id,
909 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
910 enum SMB_QUOTA_TYPE qtype, unid_t id,
912 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
913 struct files_struct *fsp,
914 struct shadow_copy_data *shadow_copy_data,
916 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
917 struct vfs_statvfs_struct *statbuf);
918 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
919 enum timestamp_set_resolution *p_ts_res);
921 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
923 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
924 struct dfs_GetDFSReferral *r);
925 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
926 const char *fname, const char *mask,
928 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
929 struct files_struct *fsp,
932 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
934 SMB_STRUCT_STAT *sbuf);
935 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
936 DIR *dirp, long offset);
937 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
939 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
941 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
943 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
944 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
946 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
948 int smb_vfs_call_open(struct vfs_handle_struct *handle,
949 struct smb_filename *smb_fname, struct files_struct *fsp,
950 int flags, mode_t mode);
951 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
952 struct smb_request *req,
953 uint16_t root_dir_fid,
954 struct smb_filename *smb_fname,
955 uint32_t access_mask,
956 uint32_t share_access,
957 uint32_t create_disposition,
958 uint32_t create_options,
959 uint32_t file_attributes,
960 uint32_t oplock_request,
961 struct smb2_lease *lease,
962 uint64_t allocation_size,
963 uint32_t private_flags,
964 struct security_descriptor *sd,
965 struct ea_list *ea_list,
966 files_struct **result,
968 int smb_vfs_call_close(struct vfs_handle_struct *handle,
969 struct files_struct *fsp);
970 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
971 struct files_struct *fsp, void *data, size_t n);
972 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
973 struct files_struct *fsp, void *data, size_t n,
975 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
977 struct tevent_context *ev,
978 struct files_struct *fsp,
980 size_t n, off_t offset);
981 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
983 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
984 struct files_struct *fsp, const void *data,
986 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
987 struct files_struct *fsp, const void *data,
988 size_t n, off_t offset);
989 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
991 struct tevent_context *ev,
992 struct files_struct *fsp,
994 size_t n, off_t offset);
995 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
997 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
998 struct files_struct *fsp, off_t offset,
1000 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1001 files_struct *fromfsp, const DATA_BLOB *header,
1002 off_t offset, size_t count);
1003 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1004 files_struct *tofsp, off_t offset,
1006 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1007 const struct smb_filename *smb_fname_src,
1008 const struct smb_filename *smb_fname_dst);
1009 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1010 struct files_struct *fsp);
1012 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1013 TALLOC_CTX *mem_ctx,
1014 struct tevent_context *ev,
1015 struct files_struct *fsp);
1016 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
1018 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1019 struct smb_filename *smb_fname);
1020 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1021 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1022 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1023 struct smb_filename *smb_filename);
1024 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1025 struct files_struct *fsp,
1026 const SMB_STRUCT_STAT *sbuf);
1027 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1028 const struct smb_filename *smb_fname);
1029 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1031 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1032 struct files_struct *fsp, mode_t mode);
1033 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1034 uid_t uid, gid_t gid);
1035 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1036 struct files_struct *fsp, uid_t uid, gid_t gid);
1037 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1038 uid_t uid, gid_t gid);
1039 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1040 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1041 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1042 const struct smb_filename *smb_fname,
1043 struct smb_file_time *ft);
1044 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1045 struct files_struct *fsp, off_t offset);
1046 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1047 struct files_struct *fsp,
1048 enum vfs_fallocate_mode mode,
1051 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1052 struct files_struct *fsp, int op, off_t offset,
1053 off_t count, int type);
1054 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1055 struct files_struct *fsp, uint32 share_mode,
1056 uint32_t access_mask);
1057 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1058 struct files_struct *fsp, int leasetype);
1059 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1060 struct files_struct *fsp, off_t *poffset,
1061 off_t *pcount, int *ptype, pid_t *ppid);
1062 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1063 const char *newpath);
1064 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1065 const char *path, char *buf, size_t bufsiz);
1066 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1067 const char *newpath);
1068 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1069 mode_t mode, SMB_DEV_T dev);
1070 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1071 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1072 struct sys_notify_context *ctx,
1075 uint32_t *subdir_filter,
1076 void (*callback)(struct sys_notify_context *ctx,
1078 struct notify_event *ev),
1079 void *private_data, void *handle_p);
1080 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1081 unsigned int flags);
1082 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1083 const SMB_STRUCT_STAT *sbuf);
1084 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1085 struct files_struct *fsp,
1087 TALLOC_CTX *mem_ctx,
1088 unsigned int *num_streams,
1089 struct stream_struct **streams);
1090 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1091 const char *path, const char *name,
1092 TALLOC_CTX *mem_ctx, char **found_name);
1093 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1094 const char *filename);
1095 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1096 struct byte_range_lock *br_lck,
1097 struct lock_struct *plock,
1098 bool blocking_lock);
1099 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1100 struct messaging_context *msg_ctx,
1101 struct byte_range_lock *br_lck,
1102 const struct lock_struct *plock);
1103 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1104 struct byte_range_lock *br_lck,
1105 struct lock_struct *plock);
1106 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1107 struct files_struct *fsp,
1108 struct lock_struct *plock);
1109 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1110 struct files_struct *fsp,
1111 struct lock_struct *plock);
1112 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1114 enum vfs_translate_direction direction,
1115 TALLOC_CTX *mem_ctx,
1116 char **mapped_name);
1117 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1118 struct files_struct *fsp,
1122 const uint8_t *_in_data,
1124 uint8_t **_out_data,
1125 uint32_t max_out_len,
1127 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1128 TALLOC_CTX *mem_ctx,
1129 struct tevent_context *ev,
1130 struct files_struct *src_fsp,
1132 struct files_struct *dest_fsp,
1135 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1136 struct tevent_req *req,
1138 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1139 TALLOC_CTX *mem_ctx,
1140 struct files_struct *fsp,
1141 struct smb_filename *smb_fname,
1142 uint16_t *_compression_fmt);
1143 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1144 TALLOC_CTX *mem_ctx,
1145 struct files_struct *fsp,
1146 uint16_t compression_fmt);
1147 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1148 struct files_struct *fsp,
1149 uint32 security_info,
1150 TALLOC_CTX *mem_ctx,
1151 struct security_descriptor **ppdesc);
1152 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1154 uint32 security_info,
1155 TALLOC_CTX *mem_ctx,
1156 struct security_descriptor **ppdesc);
1157 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1158 struct files_struct *fsp,
1159 uint32 security_info_sent,
1160 const struct security_descriptor *psd);
1161 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1162 struct smb_filename *file,
1163 struct security_acl *sacl,
1164 uint32_t access_requested,
1165 uint32_t access_denied);
1166 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1168 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1169 struct files_struct *fsp, mode_t mode);
1170 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1172 SMB_ACL_TYPE_T type,
1173 TALLOC_CTX *mem_ctx);
1174 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1175 struct files_struct *fsp,
1176 TALLOC_CTX *mem_ctx);
1177 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1179 TALLOC_CTX *mem_ctx,
1180 char **blob_description,
1182 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1183 struct files_struct *fsp,
1184 TALLOC_CTX *mem_ctx,
1185 char **blob_description,
1187 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1188 const char *name, SMB_ACL_TYPE_T acltype,
1190 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1191 struct files_struct *fsp, SMB_ACL_T theacl);
1192 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1194 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1195 const char *path, const char *name, void *value,
1197 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1198 struct files_struct *fsp, const char *name,
1199 void *value, size_t size);
1200 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1201 const char *path, char *list, size_t size);
1202 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1203 const char *path, char *list, size_t size);
1204 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1205 struct files_struct *fsp, char *list,
1207 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1208 const char *path, const char *name);
1209 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1210 struct files_struct *fsp, const char *name);
1211 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1212 const char *name, const void *value, size_t size,
1214 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1215 const char *name, const void *value, size_t size,
1217 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1218 struct files_struct *fsp, const char *name,
1219 const void *value, size_t size, int flags);
1220 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1221 struct files_struct *fsp);
1222 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1223 const struct smb_filename *fname,
1224 SMB_STRUCT_STAT *sbuf);
1225 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1226 const struct smb_filename *fname);
1227 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1228 struct files_struct *fsp,
1229 TALLOC_CTX *mem_ctx,
1231 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1232 struct files_struct *fsp,
1233 const DATA_BLOB old_cookie,
1234 TALLOC_CTX *mem_ctx,
1235 DATA_BLOB *new_cookie);
1236 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1237 struct smb_request *smb1req,
1238 struct smbXsrv_open *op,
1239 const DATA_BLOB old_cookie,
1240 TALLOC_CTX *mem_ctx,
1241 struct files_struct **fsp,
1242 DATA_BLOB *new_cookie);
1243 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1244 const struct smb_filename *fname,
1245 TALLOC_CTX *mem_ctx,
1246 struct readdir_attr_data **attr_data);
1248 NTSTATUS smb_register_vfs(int version, const char *name,
1249 const struct vfs_fn_pointers *fns);
1250 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1251 files_struct *fsp, size_t ext_size,
1252 void (*destroy_fn)(void *p_data));
1253 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1254 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1255 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1256 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);