2 Unix SMB/CIFS implementation.
3 VFS structures and parameters
4 Copyright (C) Jeremy Allison 1999-2005
5 Copyright (C) Tim Potter 1999
6 Copyright (C) Alexander Bokovoy 2002-2005
7 Copyright (C) Stefan (metze) Metzmacher 2003
8 Copyright (C) Volker Lendecke 2009
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 This work was sponsored by Optifacio Software Services, Inc.
29 /* Avoid conflict with an AIX include file */
36 * As we're now (thanks Andrew ! :-) using file_structs and connection
37 * structs in the vfs - then anyone writing a vfs must include includes.h...
41 * This next constant specifies the version number of the VFS interface
42 * this smbd will load. Increment this if *ANY* changes are made to the
45 * If you change anything here, please also update modules/vfs_full_audit.c.
49 /* Changed to version 2 for CIFS UNIX extensions (mknod and link added). JRA. */
50 /* Changed to version 3 for POSIX acl extensions. JRA. */
51 /* Changed to version 4 for cascaded VFS interface. Alexander Bokovoy. */
52 /* Changed to version 5 for sendfile addition. JRA. */
53 /* Changed to version 6 for the new module system, fixed cascading and quota functions. --metze */
54 /* Changed to version 7 to include the get_nt_acl info parameter. JRA. */
55 /* Changed to version 8 includes EA calls. JRA. */
56 /* Changed to version 9 to include the get_shadow_data call. --metze */
57 /* Changed to version 10 to include pread/pwrite calls. */
58 /* Changed to version 11 to include seekdir/telldir/rewinddir calls. JRA */
59 /* Changed to version 12 to add mask and attributes to opendir(). JRA
60 Also include aio calls. JRA. */
61 /* Changed to version 13 as the internal structure of files_struct has changed. JRA */
62 /* Changed to version 14 as we had to change DIR to SMB_STRUCT_DIR. JRA */
63 /* Changed to version 15 as we added the statvfs call. JRA */
64 /* Changed to version 16 as we added the getlock call. JRA */
65 /* Changed to version 17 as we removed redundant connection_struct parameters. --jpeach */
66 /* Changed to version 18 to add fsp parameter to the open call -- jpeach
67 Also include kernel_flock call - jmcd */
68 /* Changed to version 19, kernel change notify has been merged
69 Also included linux setlease call - jmcd */
70 /* Changed to version 20, use ntimes call instead of utime (greater
71 * timestamp resolition. JRA. */
72 /* Changed to version21 to add chflags operation -- jpeach */
73 /* Changed to version22 to add lchown operation -- jra */
74 /* Leave at 22 - not yet released. But change set_nt_acl to return an NTSTATUS. jra. */
75 /* Leave at 22 - not yet released. Add file_id_create operation. --metze */
76 /* Leave at 22 - not yet released. Change all BOOL parameters (int) to bool. jra. */
77 /* Leave at 22 - not yet released. Added recvfile. */
78 /* Leave at 22 - not yet released. Change get_nt_acl to return NTSTATUS - vl */
79 /* Leave at 22 - not yet released. Change get_nt_acl to *not* take a
80 * files_struct. - obnox.*/
81 /* Leave at 22 - not yet released. Remove parameter fd from fget_nt_acl. - obnox */
82 /* Leave at 22 - not yet released. Remove parameter fd from gset_nt_acl. - obnox */
83 /* Leave at 22 - not yet released. Remove parameter fd from pread. - obnox */
84 /* Leave at 22 - not yet released. Remove parameter fd from pwrite. - obnox */
85 /* Leave at 22 - not yet released. Remove parameter fd from lseek. - obnox */
86 /* Leave at 22 - not yet released. Remove parameter fd from fsync. - obnox */
87 /* Leave at 22 - not yet released. Remove parameter fd from fstat. - obnox */
88 /* Leave at 22 - not yet released. Remove parameter fd from fchmod. - obnox */
89 /* Leave at 22 - not yet released. Remove parameter fd from fchown. - obnox */
90 /* Leave at 22 - not yet released. Remove parameter fd from ftruncate. - obnox */
91 /* Leave at 22 - not yet released. Remove parameter fd from lock. - obnox */
92 /* Leave at 22 - not yet released. Remove parameter fd from kernel_flock. - obnox */
93 /* Leave at 22 - not yet released. Remove parameter fd from linux_setlease. - obnox */
94 /* Leave at 22 - not yet released. Remove parameter fd from getlock. - obnox */
95 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_get_fd. - obnox */
96 /* Leave at 22 - not yet released. Remove parameter fd from fchmod_acl. - obnox */
97 /* Leave at 22 - not yet released. Remove parameter fd from sys_acl_set_fd. - obnox */
98 /* Leave at 22 - not yet released. Remove parameter fd from fgetxattr. - obnox */
99 /* Leave at 22 - not yet released. Remove parameter fd from flistxattr. - obnox */
100 /* Leave at 22 - not yet released. Remove parameter fd from fremovexattr. - obnox */
101 /* Leave at 22 - not yet released. Remove parameter fd from fsetxattr. - obnox */
102 /* Leave at 22 - not yet released. Remove parameter fd from aio_cancel. - obnox */
103 /* Leave at 22 - not yet released. Remove parameter fd from read. - obnox */
104 /* Leave at 22 - not yet released. Remove parameter fd from write. - obnox */
105 /* Leave at 22 - not yet released. Remove parameter fromfd from sendfile. - obnox */
106 /* Leave at 22 - not yet released. Remove parameter fromfd from recvfile. - obnox */
107 /* Leave at 22 - not yet released. Additional change: add operations for offline files -- ab */
108 /* Leave at 22 - not yet released. Add the streaminfo call. -- jpeach, vl */
109 /* Leave at 22 - not yet released. Remove parameter fd from close_fn. - obnox */
110 /* Changed to version 23 - remove set_nt_acl call. This can only be done via an
112 /* Changed to version 24 - make security descriptor const in fset_nt_acl. JRA. */
113 /* Changed to version 25 - Jelmer's change from SMB_BIG_UINT to uint64_t. */
114 /* Leave at 25 - not yet released. Add create_file call. -- tprouty. */
115 /* Leave at 25 - not yet released. Add create time to ntimes. -- tstecher. */
116 /* Leave at 25 - not yet released. Add get_alloc_size call. -- tprouty. */
117 /* Leave at 25 - not yet released. Add SMB_STRUCT_STAT to readdir. - sdann */
118 /* Leave at 25 - not yet released. Add init_search_op call. - sdann */
119 /* Leave at 25 - not yet released. Add locking calls. -- zkirsch. */
120 /* Leave at 25 - not yet released. Add strict locking calls. -- drichards. */
121 /* Changed to version 26 - Plumb struct smb_filename to SMB_VFS_CREATE_FILE,
122 SMB_VFS_OPEN, SMB_VFS_STAT, SMB_VFS_LSTAT,
123 SMB_VFS_RENAME, SMB_VFS_UNLINK, SMB_VFS_NTIMES. */
124 /* Changed to version 27 - not yet released. Added enum timestamp_set_resolution
125 * return to fs_capabilities call. JRA. */
126 /* Leave at 27 - not yet released. Add translate_name VFS call to convert
127 UNIX names to Windows supported names -- asrinivasan. */
128 /* Changed to version 28 - Add private_flags uint32_t to CREATE call. */
129 /* Leave at 28 - not yet released. Change realpath to assume NULL and return a
130 malloc'ed path. JRA. */
131 /* Leave at 28 - not yet released. Move posix_fallocate into the VFS
132 where it belongs. JRA. */
133 /* Leave at 28 - not yet released. Rename posix_fallocate to fallocate
134 to split out the two possible uses. JRA. */
135 /* Leave at 28 - not yet released. Add fdopendir. JRA. */
136 /* Leave at 28 - not yet released. Rename open function to open_fn. - gd */
137 /* Leave at 28 - not yet released. Make getwd function always return malloced memory. JRA. */
138 /* Bump to version 29 - Samba 3.6.0 will ship with interface version 28. */
139 /* Leave at 29 - not yet releases. Add fsctl. Richard Sharpe */
140 /* Leave at 29 - not yet released. add SMB_VFS_GET_DFS_REFERRAL() - metze */
141 /* Leave at 29 - not yet released. Remove l{list,get,set,remove}xattr - abartlet */
142 /* Leave at 29 - not yet released. move to plain off_t - abartlet */
143 /* Leave at 29 - not yet released. Remove sys_acl functions other than set and get - abartlet */
144 /* Leave at 29 - not yet released. Added backup_intent bool to files_struct - JRA */
145 /* Leave at 29 - not yet released. Add durable handle functions - metze/obnox */
146 /* Leave at 29 - not yet released. Added sys_acl_blob_get_file and sys_acl_blob_get_fd */
147 /* Bump to version 30 - Samba 4.0.0 will ship with interface version 30 */
148 /* Leave at 30 - not yet released. Added conn->cwd to save vfs_GetWd() calls. */
149 /* Leave at 30 - not yet released. Changed sys_acl_blob_get_file interface to remove type */
150 /* Bump to version 31 - Samba 4.1.0 will ship with interface version 31 */
151 /* Leave at 31 - not yet released. Make struct vuid_cache_entry in
152 connection_struct a pointer. */
153 /* Leave at 31 - not yet released. Add share_access to vuid_cache_entry. */
154 /* Leave at 31 - not yet released. add SMB_VFS_COPY_CHUNK() */
155 /* Leave at 31 - not yet released. Remove the unused
156 fsp->pending_break_messages array */
157 /* Leave at 31 - not yet released. add SMB_VFS_[GET/SET]_COMPRESSION() */
159 /* Bump to version 32 - Samba 4.2 will ship with that. */
160 /* Version 32 - Add "lease" to CREATE_FILE operation */
161 /* Version 32 - Add "lease" to struct files_struct */
162 /* Version 32 - Add SMB_VFS_READDIR_ATTR() */
163 /* Version 32 - Add in and out create context blobs to create_file */
164 /* Version 32 - Remove unnecessary SMB_VFS_DISK_FREE() small_query parameter */
165 /* Bump to version 33 - Samba 4.3 will ship with that. */
166 /* Version 33 - change fallocate mode flags param from enum->uint32_t */
167 /* Version 33 - Add snapshot create/delete calls */
168 /* Version 33 - Add OS X SMB2 AAPL copyfile extension flag to fsp */
169 /* Version 33 - Remove notify_watch_fn */
171 #define SMB_VFS_INTERFACE_VERSION 33
174 All intercepted VFS operations must be declared as static functions inside module source
175 in order to keep smbd namespace unpolluted. See source of audit, extd_audit, fake_perms and recycle
176 example VFS modules for more details.
179 /* VFS operations structure */
181 struct vfs_handle_struct;
182 struct connection_struct;
184 struct security_descriptor;
185 struct vfs_statvfs_struct;
188 struct smb_file_time;
189 struct blocking_lock_record;
191 struct dfs_GetDFSReferral;
193 typedef union unid_t {
201 uint64_t position_information;
203 uint32_t private_options; /* NT Create options, but we only look at
204 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
205 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
206 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
207 * for print files *only*, where
208 * DELETE_ON_CLOSE is not stored in the share
211 unsigned long gen_id;
216 struct smbd_server_connection *sconn;
217 struct tevent_timer *timeout;
218 struct smb2_lease lease;
221 /* VFS ABI stability hack */
222 #define posix_flags posix_open
224 typedef struct files_struct {
225 struct files_struct *next, *prev;
227 struct smbXsrv_open *op;
228 struct connection_struct *conn;
229 struct fd_handle *fh;
230 unsigned int num_smb_operations;
231 struct file_id file_id;
232 uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
234 uint64_t vuid; /* SMB2 compat */
235 struct write_cache *wcp;
236 struct timeval open_time;
237 uint32_t access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */
238 uint32_t share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
240 bool update_write_time_triggered;
241 struct tevent_timer *update_write_time_event;
242 bool update_write_time_on_close;
243 struct timespec close_write_time;
244 bool write_time_forced;
247 struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
248 int sent_oplock_break;
249 struct tevent_timer *oplock_timeout;
250 struct lock_struct last_lock_failure;
251 int current_lock_count; /* Count the number of outstanding locks and pending locks. */
258 bool aio_write_behind;
259 bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
260 bool delete_on_close;
263 bool backup_intent; /* Handle was successfully opened with backup intent
264 and opener has privilege to do so. */
265 bool aapl_copyfile_supported;
266 struct smb_filename *fsp_name;
267 uint32_t name_hash; /* Jenkins hash of full pathname. */
268 uint64_t mid; /* Mid of the operation that created us. */
270 struct vfs_fsp_data *vfs_extension;
271 struct fake_file_handle *fake_file_handle;
273 struct notify_change_buf *notify;
275 struct files_struct *base_fsp; /* placeholder for delete on close */
278 * Read-only cached brlock record, thrown away when the
279 * brlock.tdb seqnum changes. This avoids fetching data from
280 * the brlock.tdb on every read/write call.
283 struct byte_range_lock *brlock_rec;
285 struct dptr_struct *dptr;
287 /* if not NULL, means this is a print file */
288 struct print_file_data *print_file;
290 unsigned num_aio_requests;
291 struct tevent_req **aio_requests;
294 * If a close request comes in while we still have aio_requests
295 * around, we need to hold back the close. When all aio_requests are
296 * done, the aio completion routines need tevent_wait_done() on
297 * this. A bit ugly, but before we have close_file() fully async
298 * possibly the simplest approach. Thanks, Jeremy for the idea.
300 struct tevent_req *deferred_close;
303 #define FSP_POSIX_FLAGS_OPEN 0x01
304 #define FSP_POSIX_FLAGS_RENAME 0x02
306 #define FSP_POSIX_FLAGS_ALL \
307 (FSP_POSIX_FLAGS_OPEN | \
308 FSP_POSIX_FLAGS_RENAME)
310 struct vuid_cache_entry {
311 struct auth_session_info *session_info;
312 uint64_t vuid; /* SMB2 compat */
314 uint32_t share_access;
318 unsigned int next_entry;
319 struct vuid_cache_entry array[VUID_CACHE_SIZE];
325 } name_compare_entry;
327 struct dfree_cached_info {
328 time_t last_dfree_time;
335 struct share_params {
339 typedef struct connection_struct {
340 struct connection_struct *next, *prev;
341 struct smbd_server_connection *sconn; /* can be NULL */
342 struct smbXsrv_tcon *tcon; /* can be NULL */
343 uint32_t cnum; /* an index passed over the wire */
344 struct share_params *params;
346 struct vuid_cache *vuid_cache;
349 bool read_only; /* Attributes for the current user of the share. */
350 uint32_t share_access;
351 /* Does this filesystem honor
352 sub second timestamps on files
353 and directories when setting time ? */
354 enum timestamp_set_resolution ts_res;
357 char *cwd; /* Working directory. */
359 struct vfs_handle_struct *vfs_handles; /* for the new plugins */
362 * This represents the user information on this connection. Depending
363 * on the vuid using this tid, this might change per SMB request.
365 struct auth_session_info *session_info;
368 * If the "force group" parameter is set, this is the primary gid that
369 * may be used in the users token, depending on the vuid using this tid.
371 gid_t force_group_gid;
373 uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
376 time_t lastused_count;
378 unsigned int num_smb_operations; /* Count of smb operations on this tree. */
382 /* Semantics requested by the client or forced by the server config. */
385 bool short_case_preserve;
387 /* Semantics provided by the underlying filesystem. */
389 /* Device number of the directory of the share mount.
390 Used to ensure unique FileIndex returns. */
391 SMB_DEV_T base_share_dev;
393 name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
394 name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
395 name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */
396 name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */
397 struct dfree_cached_info *dfree_info;
398 struct trans_state *pending_trans;
400 struct rpc_pipe_client *spoolss_pipe;
404 struct smbd_smb2_request;
405 struct privilege_paths;
411 uint64_t mid; /* For compatibility with SMB2. */
413 uint64_t vuid; /* For compatibility with SMB2. */
419 const uint8_t *inbuf;
422 * Async handling in the main smb processing loop is directed by
423 * outbuf: reply_xxx routines indicate sync behaviour by putting their
424 * reply into "outbuf". If they leave it as NULL, they take care of it
425 * themselves, possibly later.
427 * If async handling is wanted, the reply_xxx routine must make sure
428 * that it talloc_move()s the smb_req somewhere else.
434 connection_struct *conn;
435 struct smbd_server_connection *sconn;
436 struct smbXsrv_connection *xconn;
437 struct smb_perfcount_data pcd;
440 * Chained request handling
442 struct files_struct *chain_fsp;
445 * state information for async smb handling
450 * Back pointer to smb2 request.
452 struct smbd_smb2_request *smb2req;
455 * Pathnames used if request done
458 struct privilege_paths *priv_paths;
461 * Request list for chained requests, we're part of it.
463 struct smb_request **chain;
465 struct timeval request_time;
469 * Info about an alternate data stream
472 struct stream_struct {
479 struct smb_file_time {
480 struct timespec mtime;
481 struct timespec atime;
482 struct timespec ctime;
483 struct timespec create_time;
489 struct smb_filename {
492 char *original_lcomp;
496 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
497 handle = handle->next; \
500 enum vfs_translate_direction {
501 vfs_translate_to_unix = 0,
502 vfs_translate_to_windows
505 enum vfs_fallocate_flags {
506 VFS_FALLOCATE_FL_KEEP_SIZE = 0x0001,
507 VFS_FALLOCATE_FL_PUNCH_HOLE = 0x0002,
511 Available VFS operations. These values must be in sync with vfs_ops struct
512 (struct vfs_fn_pointers and struct vfs_handle_pointers inside of struct vfs_ops).
513 In particular, if new operations are added to vfs_ops, appropriate constants
514 should be added to vfs_op_type so that order of them kept same as in vfs_ops.
516 struct shadow_copy_data;
518 struct vfs_fn_pointers {
519 /* Disk operations */
521 int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
522 void (*disconnect_fn)(struct vfs_handle_struct *handle);
523 uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, uint64_t *bsize,
524 uint64_t *dfree, uint64_t *dsize);
525 int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
526 int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
527 int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
528 int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
529 uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
532 * Note: that "struct dfs_GetDFSReferral *r"
533 * needs to be a valid TALLOC_CTX
535 NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
536 struct dfs_GetDFSReferral *r);
538 /* Directory operations */
540 DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32_t attributes);
541 DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
542 struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
544 SMB_STRUCT_STAT *sbuf);
545 void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
546 long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
547 void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
548 int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
549 int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
550 int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
551 void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
553 /* File operations */
555 int (*open_fn)(struct vfs_handle_struct *handle,
556 struct smb_filename *smb_fname, files_struct *fsp,
557 int flags, mode_t mode);
558 NTSTATUS (*create_file_fn)(struct vfs_handle_struct *handle,
559 struct smb_request *req,
560 uint16_t root_dir_fid,
561 struct smb_filename *smb_fname,
562 uint32_t access_mask,
563 uint32_t share_access,
564 uint32_t create_disposition,
565 uint32_t create_options,
566 uint32_t file_attributes,
567 uint32_t oplock_request,
568 struct smb2_lease *lease,
569 uint64_t allocation_size,
570 uint32_t private_flags,
571 struct security_descriptor *sd,
572 struct ea_list *ea_list,
573 files_struct **result,
575 const struct smb2_create_blobs *in_context_blobs,
576 struct smb2_create_blobs *out_context_blobs);
577 int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
578 ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
579 ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
580 struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
582 struct tevent_context *ev,
583 struct files_struct *fsp,
585 size_t n, off_t offset);
586 ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
587 ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
588 ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
589 struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
591 struct tevent_context *ev,
592 struct files_struct *fsp,
594 size_t n, off_t offset);
595 ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
596 off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
597 ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
598 ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
599 int (*rename_fn)(struct vfs_handle_struct *handle,
600 const struct smb_filename *smb_fname_src,
601 const struct smb_filename *smb_fname_dst);
602 int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
603 struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
605 struct tevent_context *ev,
606 struct files_struct *fsp);
607 int (*fsync_recv_fn)(struct tevent_req *req, int *err);
608 int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
609 int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
610 int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
611 uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
612 int (*unlink_fn)(struct vfs_handle_struct *handle,
613 const struct smb_filename *smb_fname);
614 int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
615 int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
616 int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
617 int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
618 int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
619 int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
620 char *(*getwd_fn)(struct vfs_handle_struct *handle);
621 int (*ntimes_fn)(struct vfs_handle_struct *handle,
622 const struct smb_filename *smb_fname,
623 struct smb_file_time *ft);
624 int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
625 int (*fallocate_fn)(struct vfs_handle_struct *handle,
626 struct files_struct *fsp,
630 bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
631 int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
632 uint32_t share_mode, uint32_t access_mask);
633 int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
634 bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
635 int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
636 int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
637 int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
638 int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
639 char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
640 int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
641 struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
642 const SMB_STRUCT_STAT *sbuf);
643 struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
645 struct tevent_context *ev,
646 struct files_struct *src_fsp,
648 struct files_struct *dest_fsp,
651 NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
652 struct tevent_req *req,
654 NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
656 struct files_struct *fsp,
657 struct smb_filename *smb_fname,
658 uint16_t *_compression_fmt);
659 NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
661 struct files_struct *fsp,
662 uint16_t compression_fmt);
663 NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
665 const char *service_path,
667 NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
669 const char *base_volume,
674 NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
679 NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
680 struct files_struct *fsp,
683 unsigned int *num_streams,
684 struct stream_struct **streams);
686 int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
692 const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
693 const char *filename);
695 NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
696 struct byte_range_lock *br_lck,
697 struct lock_struct *plock,
700 bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
701 struct messaging_context *msg_ctx,
702 struct byte_range_lock *br_lck,
703 const struct lock_struct *plock);
705 bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
706 struct byte_range_lock *br_lck,
707 struct lock_struct *plock);
709 bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
710 struct files_struct *fsp,
711 struct lock_struct *plock);
713 void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
714 struct files_struct *fsp,
715 struct lock_struct *plock);
717 NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
719 enum vfs_translate_direction direction,
723 NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
724 struct files_struct *fsp,
728 const uint8_t *_in_data,
731 uint32_t max_out_len,
734 /* NT ACL operations. */
736 NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
737 struct files_struct *fsp,
738 uint32_t security_info,
740 struct security_descriptor **ppdesc);
741 NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
743 uint32_t security_info,
745 struct security_descriptor **ppdesc);
746 NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
747 struct files_struct *fsp,
748 uint32_t security_info_sent,
749 const struct security_descriptor *psd);
751 NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
752 struct smb_filename *file,
753 struct security_acl *sacl,
754 uint32_t access_requested,
755 uint32_t access_denied);
757 /* POSIX ACL operations. */
759 int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
760 int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
762 SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
765 TALLOC_CTX *mem_ctx);
766 SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
767 struct files_struct *fsp,
768 TALLOC_CTX *mem_ctx);
769 int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
772 char **blob_description,
774 int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
775 TALLOC_CTX *mem_ctx, char **blob_description,
777 int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
778 int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
779 int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
782 ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
783 ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
784 ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
785 ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
786 int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
787 int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
788 int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
789 int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
792 bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
794 /* offline operations */
795 bool (*is_offline_fn)(struct vfs_handle_struct *handle,
796 const struct smb_filename *fname,
797 SMB_STRUCT_STAT *sbuf);
798 int (*set_offline_fn)(struct vfs_handle_struct *handle,
799 const struct smb_filename *fname);
801 /* durable handle operations */
802 NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
803 struct files_struct *fsp,
806 NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
807 struct files_struct *fsp,
808 const DATA_BLOB old_cookie,
810 DATA_BLOB *new_cookie);
811 NTSTATUS (*durable_reconnect_fn)(struct vfs_handle_struct *handle,
812 struct smb_request *smb1req,
813 struct smbXsrv_open *op,
814 const DATA_BLOB old_cookie,
816 struct files_struct **fsp,
817 DATA_BLOB *new_cookie);
819 NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
820 const struct smb_filename *fname,
822 struct readdir_attr_data **attr_data);
826 VFS operation description. Each VFS module registers an array of vfs_op_tuple to VFS subsystem,
827 which describes all operations this module is willing to intercept.
828 VFS subsystem initializes then the conn->vfs_ops and conn->vfs_opaque_ops structs
829 using this information.
832 typedef struct vfs_handle_struct {
833 struct vfs_handle_struct *next, *prev;
835 struct connection_struct *conn;
836 const struct vfs_fn_pointers *fns;
838 void (*free_data)(void **data);
842 typedef struct vfs_statvfs_struct {
843 /* For undefined recommended transfer size return -1 in that field */
844 uint32_t OptimalTransferSize; /* bsize on some os, iosize on other os */
848 The next three fields are in terms of the block size.
849 (above). If block size is unknown, 4096 would be a
850 reasonable block size for a server to report.
851 Note that returning the blocks/blocksavail removes need
852 to make a second call (to QFSInfo level 0x103 to get this info.
853 UserBlockAvail is typically less than or equal to BlocksAvail,
854 if no distinction is made return the same value in each.
857 uint64_t TotalBlocks;
858 uint64_t BlocksAvail; /* bfree */
859 uint64_t UserBlocksAvail; /* bavail */
861 /* For undefined Node fields or FSID return -1 */
862 uint64_t TotalFileNodes;
863 uint64_t FreeFileNodes;
864 uint64_t FsIdentifier; /* fsid */
865 /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */
866 /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */
869 } vfs_statvfs_struct;
871 /* Add a new FSP extension of the given type. Returns a pointer to the
874 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn) \
875 vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
877 /* Return a pointer to the existing FSP extension data. */
878 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
879 vfs_fetch_fsp_extension(handle, (fsp))
881 /* Return the talloc context associated with an FSP extension. */
882 #define VFS_MEMCTX_FSP_EXTENSION(handle, fsp) \
883 vfs_memctx_fsp_extension(handle, (fsp))
885 /* Remove and destroy an FSP extension. */
886 #define VFS_REMOVE_FSP_EXTENSION(handle, fsp) \
887 vfs_remove_fsp_extension((handle), (fsp))
889 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
890 if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
891 DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
896 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
898 DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
901 if ((handle)->free_data) { \
902 (handle)->free_data(&(handle)->data); \
904 (handle)->data = (void *)datap; \
905 (handle)->free_data = free_fn; \
909 #define SMB_VFS_HANDLE_FREE_DATA(handle) { \
910 if ((handle) && (handle)->free_data) { \
911 (handle)->free_data(&(handle)->data); \
915 /* Check whether module-specific data handle was already allocated or not */
916 #define SMB_VFS_HANDLE_TEST_DATA(handle) ( !(handle) || !(handle)->data ? False : True )
918 #define SMB_VFS_OP(x) ((void *) x)
920 #define DEFAULT_VFS_MODULE_NAME "/[Default VFS]/"
922 #include "vfs_macros.h"
924 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
925 const char *service, const char *user);
926 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
927 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
928 const char *path, uint64_t *bsize,
929 uint64_t *dfree, uint64_t *dsize);
930 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
931 enum SMB_QUOTA_TYPE qtype, unid_t id,
933 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
934 enum SMB_QUOTA_TYPE qtype, unid_t id,
936 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
937 struct files_struct *fsp,
938 struct shadow_copy_data *shadow_copy_data,
940 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
941 struct vfs_statvfs_struct *statbuf);
942 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
943 enum timestamp_set_resolution *p_ts_res);
945 * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
947 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
948 struct dfs_GetDFSReferral *r);
949 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
950 const char *fname, const char *mask,
951 uint32_t attributes);
952 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
953 struct files_struct *fsp,
955 uint32_t attributes);
956 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
958 SMB_STRUCT_STAT *sbuf);
959 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
960 DIR *dirp, long offset);
961 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
963 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
965 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
967 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
968 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
970 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
972 int smb_vfs_call_open(struct vfs_handle_struct *handle,
973 struct smb_filename *smb_fname, struct files_struct *fsp,
974 int flags, mode_t mode);
975 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
976 struct smb_request *req,
977 uint16_t root_dir_fid,
978 struct smb_filename *smb_fname,
979 uint32_t access_mask,
980 uint32_t share_access,
981 uint32_t create_disposition,
982 uint32_t create_options,
983 uint32_t file_attributes,
984 uint32_t oplock_request,
985 struct smb2_lease *lease,
986 uint64_t allocation_size,
987 uint32_t private_flags,
988 struct security_descriptor *sd,
989 struct ea_list *ea_list,
990 files_struct **result,
992 const struct smb2_create_blobs *in_context_blobs,
993 struct smb2_create_blobs *out_context_blobs);
994 int smb_vfs_call_close(struct vfs_handle_struct *handle,
995 struct files_struct *fsp);
996 ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
997 struct files_struct *fsp, void *data, size_t n);
998 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
999 struct files_struct *fsp, void *data, size_t n,
1001 struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1002 TALLOC_CTX *mem_ctx,
1003 struct tevent_context *ev,
1004 struct files_struct *fsp,
1006 size_t n, off_t offset);
1007 ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
1009 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1010 struct files_struct *fsp, const void *data,
1012 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1013 struct files_struct *fsp, const void *data,
1014 size_t n, off_t offset);
1015 struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1016 TALLOC_CTX *mem_ctx,
1017 struct tevent_context *ev,
1018 struct files_struct *fsp,
1020 size_t n, off_t offset);
1021 ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
1023 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1024 struct files_struct *fsp, off_t offset,
1026 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1027 files_struct *fromfsp, const DATA_BLOB *header,
1028 off_t offset, size_t count);
1029 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1030 files_struct *tofsp, off_t offset,
1032 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1033 const struct smb_filename *smb_fname_src,
1034 const struct smb_filename *smb_fname_dst);
1035 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1036 struct files_struct *fsp);
1038 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1039 TALLOC_CTX *mem_ctx,
1040 struct tevent_context *ev,
1041 struct files_struct *fsp);
1042 int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
1044 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1045 struct smb_filename *smb_fname);
1046 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1047 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
1048 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1049 struct smb_filename *smb_filename);
1050 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1051 struct files_struct *fsp,
1052 const SMB_STRUCT_STAT *sbuf);
1053 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1054 const struct smb_filename *smb_fname);
1055 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1057 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1058 struct files_struct *fsp, mode_t mode);
1059 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1060 uid_t uid, gid_t gid);
1061 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1062 struct files_struct *fsp, uid_t uid, gid_t gid);
1063 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1064 uid_t uid, gid_t gid);
1065 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
1066 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
1067 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1068 const struct smb_filename *smb_fname,
1069 struct smb_file_time *ft);
1070 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1071 struct files_struct *fsp, off_t offset);
1072 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1073 struct files_struct *fsp,
1077 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
1078 struct files_struct *fsp, int op, off_t offset,
1079 off_t count, int type);
1080 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1081 struct files_struct *fsp, uint32_t share_mode,
1082 uint32_t access_mask);
1083 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1084 struct files_struct *fsp, int leasetype);
1085 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
1086 struct files_struct *fsp, off_t *poffset,
1087 off_t *pcount, int *ptype, pid_t *ppid);
1088 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1089 const char *newpath);
1090 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
1091 const char *path, char *buf, size_t bufsiz);
1092 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1093 const char *newpath);
1094 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1095 mode_t mode, SMB_DEV_T dev);
1096 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
1097 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1098 unsigned int flags);
1099 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1100 const SMB_STRUCT_STAT *sbuf);
1101 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1102 struct files_struct *fsp,
1104 TALLOC_CTX *mem_ctx,
1105 unsigned int *num_streams,
1106 struct stream_struct **streams);
1107 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1108 const char *path, const char *name,
1109 TALLOC_CTX *mem_ctx, char **found_name);
1110 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1111 const char *filename);
1112 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
1113 struct byte_range_lock *br_lck,
1114 struct lock_struct *plock,
1115 bool blocking_lock);
1116 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
1117 struct messaging_context *msg_ctx,
1118 struct byte_range_lock *br_lck,
1119 const struct lock_struct *plock);
1120 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
1121 struct byte_range_lock *br_lck,
1122 struct lock_struct *plock);
1123 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1124 struct files_struct *fsp,
1125 struct lock_struct *plock);
1126 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1127 struct files_struct *fsp,
1128 struct lock_struct *plock);
1129 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1131 enum vfs_translate_direction direction,
1132 TALLOC_CTX *mem_ctx,
1133 char **mapped_name);
1134 NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
1135 struct files_struct *fsp,
1139 const uint8_t *_in_data,
1141 uint8_t **_out_data,
1142 uint32_t max_out_len,
1144 struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
1145 TALLOC_CTX *mem_ctx,
1146 struct tevent_context *ev,
1147 struct files_struct *src_fsp,
1149 struct files_struct *dest_fsp,
1152 NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
1153 struct tevent_req *req,
1155 NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
1156 TALLOC_CTX *mem_ctx,
1157 struct files_struct *fsp,
1158 struct smb_filename *smb_fname,
1159 uint16_t *_compression_fmt);
1160 NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
1161 TALLOC_CTX *mem_ctx,
1162 struct files_struct *fsp,
1163 uint16_t compression_fmt);
1164 NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
1165 TALLOC_CTX *mem_ctx,
1166 const char *service_path,
1167 char **base_volume);
1168 NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
1169 TALLOC_CTX *mem_ctx,
1170 const char *base_volume,
1175 NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
1176 TALLOC_CTX *mem_ctx,
1179 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1180 struct files_struct *fsp,
1181 uint32_t security_info,
1182 TALLOC_CTX *mem_ctx,
1183 struct security_descriptor **ppdesc);
1184 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1186 uint32_t security_info,
1187 TALLOC_CTX *mem_ctx,
1188 struct security_descriptor **ppdesc);
1189 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1190 struct files_struct *fsp,
1191 uint32_t security_info_sent,
1192 const struct security_descriptor *psd);
1193 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
1194 struct smb_filename *file,
1195 struct security_acl *sacl,
1196 uint32_t access_requested,
1197 uint32_t access_denied);
1198 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1200 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1201 struct files_struct *fsp, mode_t mode);
1202 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1204 SMB_ACL_TYPE_T type,
1205 TALLOC_CTX *mem_ctx);
1206 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1207 struct files_struct *fsp,
1208 TALLOC_CTX *mem_ctx);
1209 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
1211 TALLOC_CTX *mem_ctx,
1212 char **blob_description,
1214 int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
1215 struct files_struct *fsp,
1216 TALLOC_CTX *mem_ctx,
1217 char **blob_description,
1219 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1220 const char *name, SMB_ACL_TYPE_T acltype,
1222 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1223 struct files_struct *fsp, SMB_ACL_T theacl);
1224 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1226 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1227 const char *path, const char *name, void *value,
1229 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1230 struct files_struct *fsp, const char *name,
1231 void *value, size_t size);
1232 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1233 const char *path, char *list, size_t size);
1234 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1235 const char *path, char *list, size_t size);
1236 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1237 struct files_struct *fsp, char *list,
1239 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1240 const char *path, const char *name);
1241 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1242 struct files_struct *fsp, const char *name);
1243 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
1244 const char *name, const void *value, size_t size,
1246 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
1247 const char *name, const void *value, size_t size,
1249 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
1250 struct files_struct *fsp, const char *name,
1251 const void *value, size_t size, int flags);
1252 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
1253 struct files_struct *fsp);
1254 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
1255 const struct smb_filename *fname,
1256 SMB_STRUCT_STAT *sbuf);
1257 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
1258 const struct smb_filename *fname);
1259 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
1260 struct files_struct *fsp,
1261 TALLOC_CTX *mem_ctx,
1263 NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
1264 struct files_struct *fsp,
1265 const DATA_BLOB old_cookie,
1266 TALLOC_CTX *mem_ctx,
1267 DATA_BLOB *new_cookie);
1268 NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
1269 struct smb_request *smb1req,
1270 struct smbXsrv_open *op,
1271 const DATA_BLOB old_cookie,
1272 TALLOC_CTX *mem_ctx,
1273 struct files_struct **fsp,
1274 DATA_BLOB *new_cookie);
1275 NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
1276 const struct smb_filename *fname,
1277 TALLOC_CTX *mem_ctx,
1278 struct readdir_attr_data **attr_data);
1280 NTSTATUS smb_register_vfs(int version, const char *name,
1281 const struct vfs_fn_pointers *fns);
1282 void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
1283 files_struct *fsp, size_t ext_size,
1284 void (*destroy_fn)(void *p_data));
1285 void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1286 void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
1287 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
1288 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);