2 Unix SMB/Netbios implementation.
4 VFS initialisation and support functions
5 Copyright (C) Tim Potter 1999
6 Copyright (C) Alexander Bokovoy 2002
7 Copyright (C) James Peach 2006
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.
27 #include "system/filesys.h"
28 #include "smbd/smbd.h"
29 #include "smbd/globals.h"
31 #include "transfer_file.h"
35 #define DBGC_CLASS DBGC_VFS
39 struct vfs_init_function_entry
{
41 struct vfs_init_function_entry
*prev
, *next
;
42 const struct vfs_fn_pointers
*fns
;
45 /****************************************************************************
46 maintain the list of available backends
47 ****************************************************************************/
49 static struct vfs_init_function_entry
*vfs_find_backend_entry(const char *name
)
51 struct vfs_init_function_entry
*entry
= backends
;
53 DEBUG(10, ("vfs_find_backend_entry called for %s\n", name
));
56 if (strcmp(entry
->name
, name
)==0) return entry
;
63 NTSTATUS
smb_register_vfs(int version
, const char *name
,
64 const struct vfs_fn_pointers
*fns
)
66 struct vfs_init_function_entry
*entry
= backends
;
68 if ((version
!= SMB_VFS_INTERFACE_VERSION
)) {
69 DEBUG(0, ("Failed to register vfs module.\n"
70 "The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
71 "current SMB_VFS_INTERFACE_VERSION is %d.\n"
72 "Please recompile against the current Samba Version!\n",
73 version
, SMB_VFS_INTERFACE_VERSION
));
74 return NT_STATUS_OBJECT_TYPE_MISMATCH
;
77 if (!name
|| !name
[0]) {
78 DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
79 return NT_STATUS_INVALID_PARAMETER
;
82 if (vfs_find_backend_entry(name
)) {
83 DEBUG(0,("VFS module %s already loaded!\n", name
));
84 return NT_STATUS_OBJECT_NAME_COLLISION
;
87 entry
= SMB_XMALLOC_P(struct vfs_init_function_entry
);
88 entry
->name
= smb_xstrdup(name
);
91 DLIST_ADD(backends
, entry
);
92 DEBUG(5, ("Successfully added vfs backend '%s'\n", name
));
96 /****************************************************************************
97 initialise default vfs hooks
98 ****************************************************************************/
100 static void vfs_init_default(connection_struct
*conn
)
102 DEBUG(3, ("Initialising default vfs hooks\n"));
103 vfs_init_custom(conn
, DEFAULT_VFS_MODULE_NAME
);
106 /****************************************************************************
107 initialise custom vfs hooks
108 ****************************************************************************/
110 bool vfs_init_custom(connection_struct
*conn
, const char *vfs_object
)
112 char *module_path
= NULL
;
113 char *module_name
= NULL
;
114 char *module_param
= NULL
, *p
;
115 vfs_handle_struct
*handle
;
116 const struct vfs_init_function_entry
*entry
;
118 if (!conn
||!vfs_object
||!vfs_object
[0]) {
119 DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
120 "empty vfs_object!\n"));
128 DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object
));
130 module_path
= smb_xstrdup(vfs_object
);
132 p
= strchr_m(module_path
, ':');
137 trim_char(module_param
, ' ', ' ');
140 trim_char(module_path
, ' ', ' ');
142 module_name
= smb_xstrdup(module_path
);
144 if ((module_name
[0] == '/') &&
145 (strcmp(module_path
, DEFAULT_VFS_MODULE_NAME
) != 0)) {
148 * Extract the module name from the path. Just use the base
149 * name of the last path component.
152 SAFE_FREE(module_name
);
153 module_name
= smb_xstrdup(strrchr_m(module_path
, '/')+1);
155 p
= strchr_m(module_name
, '.');
162 /* First, try to load the module with the new module system */
163 entry
= vfs_find_backend_entry(module_name
);
167 DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
170 status
= smb_probe_module("vfs", module_path
);
171 if (!NT_STATUS_IS_OK(status
)) {
172 DEBUG(0, ("error probing vfs module '%s': %s\n",
173 module_path
, nt_errstr(status
)));
177 entry
= vfs_find_backend_entry(module_name
);
179 DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object
));
184 DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object
));
186 handle
= talloc_zero(conn
, vfs_handle_struct
);
188 DEBUG(0,("TALLOC_ZERO() failed!\n"));
192 handle
->fns
= entry
->fns
;
194 handle
->param
= talloc_strdup(conn
, module_param
);
196 DLIST_ADD(conn
->vfs_handles
, handle
);
198 SAFE_FREE(module_path
);
199 SAFE_FREE(module_name
);
203 SAFE_FREE(module_path
);
204 SAFE_FREE(module_name
);
208 /*****************************************************************
209 Allow VFS modules to extend files_struct with VFS-specific state.
210 This will be ok for small numbers of extensions, but might need to
211 be refactored if it becomes more widely used.
212 ******************************************************************/
214 #define EXT_DATA_AREA(e) ((uint8 *)(e) + sizeof(struct vfs_fsp_data))
216 void *vfs_add_fsp_extension_notype(vfs_handle_struct
*handle
,
217 files_struct
*fsp
, size_t ext_size
,
218 void (*destroy_fn
)(void *p_data
))
220 struct vfs_fsp_data
*ext
;
223 /* Prevent VFS modules adding multiple extensions. */
224 if ((ext_data
= vfs_fetch_fsp_extension(handle
, fsp
))) {
228 ext
= (struct vfs_fsp_data
*)TALLOC_ZERO(
229 handle
->conn
, sizeof(struct vfs_fsp_data
) + ext_size
);
235 ext
->next
= fsp
->vfs_extension
;
236 ext
->destroy
= destroy_fn
;
237 fsp
->vfs_extension
= ext
;
238 return EXT_DATA_AREA(ext
);
241 void vfs_remove_fsp_extension(vfs_handle_struct
*handle
, files_struct
*fsp
)
243 struct vfs_fsp_data
*curr
;
244 struct vfs_fsp_data
*prev
;
246 for (curr
= fsp
->vfs_extension
, prev
= NULL
;
248 prev
= curr
, curr
= curr
->next
) {
249 if (curr
->owner
== handle
) {
251 prev
->next
= curr
->next
;
253 fsp
->vfs_extension
= curr
->next
;
256 curr
->destroy(EXT_DATA_AREA(curr
));
264 void *vfs_memctx_fsp_extension(vfs_handle_struct
*handle
, files_struct
*fsp
)
266 struct vfs_fsp_data
*head
;
268 for (head
= fsp
->vfs_extension
; head
; head
= head
->next
) {
269 if (head
->owner
== handle
) {
277 void *vfs_fetch_fsp_extension(vfs_handle_struct
*handle
, files_struct
*fsp
)
279 struct vfs_fsp_data
*head
;
281 head
= (struct vfs_fsp_data
*)vfs_memctx_fsp_extension(handle
, fsp
);
283 return EXT_DATA_AREA(head
);
291 /*****************************************************************
293 ******************************************************************/
295 bool smbd_vfs_init(connection_struct
*conn
)
297 const char **vfs_objects
;
301 /* Normal share - initialise with disk access functions */
302 vfs_init_default(conn
);
303 vfs_objects
= lp_vfs_objects(SNUM(conn
));
305 /* Override VFS functions if 'vfs object' was not specified*/
306 if (!vfs_objects
|| !vfs_objects
[0])
309 for (i
=0; vfs_objects
[i
] ;) {
313 for (j
=i
-1; j
>= 0; j
--) {
314 if (!vfs_init_custom(conn
, vfs_objects
[j
])) {
315 DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects
[j
]));
322 /*******************************************************************
323 Check if a file exists in the vfs.
324 ********************************************************************/
326 NTSTATUS
vfs_file_exist(connection_struct
*conn
, struct smb_filename
*smb_fname
)
328 /* Only return OK if stat was successful and S_ISREG */
329 if ((SMB_VFS_STAT(conn
, smb_fname
) != -1) &&
330 S_ISREG(smb_fname
->st
.st_ex_mode
)) {
334 return NT_STATUS_OBJECT_NAME_NOT_FOUND
;
337 /****************************************************************************
338 Read data from fsp on the vfs. (note: EINTR re-read differs from vfs_write_data)
339 ****************************************************************************/
341 ssize_t
vfs_read_data(files_struct
*fsp
, char *buf
, size_t byte_count
)
345 while (total
< byte_count
)
347 ssize_t ret
= SMB_VFS_READ(fsp
, buf
+ total
,
350 if (ret
== 0) return total
;
359 return (ssize_t
)total
;
362 ssize_t
vfs_pread_data(files_struct
*fsp
, char *buf
,
363 size_t byte_count
, SMB_OFF_T offset
)
367 while (total
< byte_count
)
369 ssize_t ret
= SMB_VFS_PREAD(fsp
, buf
+ total
,
370 byte_count
- total
, offset
+ total
);
372 if (ret
== 0) return total
;
381 return (ssize_t
)total
;
384 /****************************************************************************
385 Write data to a fd on the vfs.
386 ****************************************************************************/
388 ssize_t
vfs_write_data(struct smb_request
*req
,
396 if (req
&& req
->unread_bytes
) {
397 SMB_ASSERT(req
->unread_bytes
== N
);
398 /* VFS_RECVFILE must drain the socket
399 * before returning. */
400 req
->unread_bytes
= 0;
401 return SMB_VFS_RECVFILE(req
->sconn
->sock
,
408 ret
= SMB_VFS_WRITE(fsp
, buffer
+ total
, N
- total
);
417 return (ssize_t
)total
;
420 ssize_t
vfs_pwrite_data(struct smb_request
*req
,
429 if (req
&& req
->unread_bytes
) {
430 SMB_ASSERT(req
->unread_bytes
== N
);
431 /* VFS_RECVFILE must drain the socket
432 * before returning. */
433 req
->unread_bytes
= 0;
434 return SMB_VFS_RECVFILE(req
->sconn
->sock
,
441 ret
= SMB_VFS_PWRITE(fsp
, buffer
+ total
, N
- total
,
451 return (ssize_t
)total
;
453 /****************************************************************************
454 An allocate file space call using the vfs interface.
455 Allocates space for a file from a filedescriptor.
456 Returns 0 on success, -1 on failure.
457 ****************************************************************************/
459 int vfs_allocate_file_space(files_struct
*fsp
, uint64_t len
)
462 connection_struct
*conn
= fsp
->conn
;
463 uint64_t space_avail
;
464 uint64_t bsize
,dfree
,dsize
;
468 * Actually try and commit the space on disk....
471 DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
472 fsp_str_dbg(fsp
), (double)len
));
474 if (((SMB_OFF_T
)len
) < 0) {
475 DEBUG(0,("vfs_allocate_file_space: %s negative len "
476 "requested.\n", fsp_str_dbg(fsp
)));
481 status
= vfs_stat_fsp(fsp
);
482 if (!NT_STATUS_IS_OK(status
)) {
486 if (len
== (uint64_t)fsp
->fsp_name
->st
.st_ex_size
)
489 if (len
< (uint64_t)fsp
->fsp_name
->st
.st_ex_size
) {
490 /* Shrink - use ftruncate. */
492 DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
493 "size %.0f\n", fsp_str_dbg(fsp
),
494 (double)fsp
->fsp_name
->st
.st_ex_size
));
496 contend_level2_oplocks_begin(fsp
, LEVEL2_CONTEND_ALLOC_SHRINK
);
498 flush_write_cache(fsp
, SIZECHANGE_FLUSH
);
499 if ((ret
= SMB_VFS_FTRUNCATE(fsp
, (SMB_OFF_T
)len
)) != -1) {
500 set_filelen_write_cache(fsp
, len
);
503 contend_level2_oplocks_end(fsp
, LEVEL2_CONTEND_ALLOC_SHRINK
);
508 if (!lp_strict_allocate(SNUM(fsp
->conn
)))
511 /* Grow - we need to test if we have enough space. */
513 contend_level2_oplocks_begin(fsp
, LEVEL2_CONTEND_ALLOC_GROW
);
515 /* See if we have a syscall that will allocate beyond end-of-file
516 without changing EOF. */
517 ret
= SMB_VFS_FALLOCATE(fsp
, VFS_FALLOCATE_KEEP_SIZE
, 0, len
);
519 contend_level2_oplocks_end(fsp
, LEVEL2_CONTEND_ALLOC_GROW
);
522 /* We changed the allocation size on disk, but not
523 EOF - exactly as required. We're done ! */
527 len
-= fsp
->fsp_name
->st
.st_ex_size
;
528 len
/= 1024; /* Len is now number of 1k blocks needed. */
529 space_avail
= get_dfree_info(conn
, fsp
->fsp_name
->base_name
, false,
530 &bsize
, &dfree
, &dsize
);
531 if (space_avail
== (uint64_t)-1) {
535 DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
536 "needed blocks = %.0f, space avail = %.0f\n",
537 fsp_str_dbg(fsp
), (double)fsp
->fsp_name
->st
.st_ex_size
, (double)len
,
538 (double)space_avail
));
540 if (len
> space_avail
) {
548 /****************************************************************************
549 A vfs set_filelen call.
550 set the length of a file from a filedescriptor.
551 Returns 0 on success, -1 on failure.
552 ****************************************************************************/
554 int vfs_set_filelen(files_struct
*fsp
, SMB_OFF_T len
)
558 contend_level2_oplocks_begin(fsp
, LEVEL2_CONTEND_SET_FILE_LEN
);
560 DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
561 fsp_str_dbg(fsp
), (double)len
));
562 flush_write_cache(fsp
, SIZECHANGE_FLUSH
);
563 if ((ret
= SMB_VFS_FTRUNCATE(fsp
, len
)) != -1) {
564 set_filelen_write_cache(fsp
, len
);
565 notify_fname(fsp
->conn
, NOTIFY_ACTION_MODIFIED
,
566 FILE_NOTIFY_CHANGE_SIZE
567 | FILE_NOTIFY_CHANGE_ATTRIBUTES
,
568 fsp
->fsp_name
->base_name
);
571 contend_level2_oplocks_end(fsp
, LEVEL2_CONTEND_SET_FILE_LEN
);
576 /****************************************************************************
577 A slow version of fallocate. Fallback code if SMB_VFS_FALLOCATE
578 fails. Needs to be outside of the default version of SMB_VFS_FALLOCATE
579 as this is also called from the default SMB_VFS_FTRUNCATE code.
580 Always extends the file size.
581 Returns 0 on success, errno on failure.
582 ****************************************************************************/
584 #define SPARSE_BUF_WRITE_SIZE (32*1024)
586 int vfs_slow_fallocate(files_struct
*fsp
, SMB_OFF_T offset
, SMB_OFF_T len
)
592 sparse_buf
= SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE
);
599 while (total
< len
) {
600 size_t curr_write_size
= MIN(SPARSE_BUF_WRITE_SIZE
, (len
- total
));
602 pwrite_ret
= SMB_VFS_PWRITE(fsp
, sparse_buf
, curr_write_size
, offset
+ total
);
603 if (pwrite_ret
== -1) {
604 DEBUG(10,("vfs_slow_fallocate: SMB_VFS_PWRITE for file "
605 "%s failed with error %s\n",
606 fsp_str_dbg(fsp
), strerror(errno
)));
615 /****************************************************************************
616 A vfs fill sparse call.
617 Writes zeros from the end of file to len, if len is greater than EOF.
618 Used only by strict_sync.
619 Returns 0 on success, -1 on failure.
620 ****************************************************************************/
622 int vfs_fill_sparse(files_struct
*fsp
, SMB_OFF_T len
)
629 status
= vfs_stat_fsp(fsp
);
630 if (!NT_STATUS_IS_OK(status
)) {
634 if (len
<= fsp
->fsp_name
->st
.st_ex_size
) {
639 if (S_ISFIFO(fsp
->fsp_name
->st
.st_ex_mode
)) {
644 DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
645 "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp
),
646 (double)fsp
->fsp_name
->st
.st_ex_size
, (double)len
,
647 (double)(len
- fsp
->fsp_name
->st
.st_ex_size
)));
649 contend_level2_oplocks_begin(fsp
, LEVEL2_CONTEND_FILL_SPARSE
);
651 flush_write_cache(fsp
, SIZECHANGE_FLUSH
);
653 offset
= fsp
->fsp_name
->st
.st_ex_size
;
654 num_to_write
= len
- fsp
->fsp_name
->st
.st_ex_size
;
656 /* Only do this on non-stream file handles. */
657 if (fsp
->base_fsp
== NULL
) {
658 /* for allocation try fallocate first. This can fail on some
659 * platforms e.g. when the filesystem doesn't support it and no
660 * emulation is being done by the libc (like on AIX with JFS1). In that
661 * case we do our own emulation. fallocate implementations can
662 * return ENOTSUP or EINVAL in cases like that. */
663 ret
= SMB_VFS_FALLOCATE(fsp
, VFS_FALLOCATE_EXTEND_SIZE
,
664 offset
, num_to_write
);
673 DEBUG(10,("vfs_fill_sparse: SMB_VFS_FALLOCATE failed with "
674 "error %d. Falling back to slow manual allocation\n", ret
));
677 ret
= vfs_slow_fallocate(fsp
, offset
, num_to_write
);
686 set_filelen_write_cache(fsp
, len
);
689 contend_level2_oplocks_end(fsp
, LEVEL2_CONTEND_FILL_SPARSE
);
693 /****************************************************************************
694 Transfer some data (n bytes) between two file_struct's.
695 ****************************************************************************/
697 static ssize_t
vfs_read_fn(void *file
, void *buf
, size_t len
)
699 struct files_struct
*fsp
= (struct files_struct
*)file
;
701 return SMB_VFS_READ(fsp
, buf
, len
);
704 static ssize_t
vfs_write_fn(void *file
, const void *buf
, size_t len
)
706 struct files_struct
*fsp
= (struct files_struct
*)file
;
708 return SMB_VFS_WRITE(fsp
, buf
, len
);
711 SMB_OFF_T
vfs_transfer_file(files_struct
*in
, files_struct
*out
, SMB_OFF_T n
)
713 return transfer_file_internal((void *)in
, (void *)out
, n
,
714 vfs_read_fn
, vfs_write_fn
);
717 /*******************************************************************
718 A vfs_readdir wrapper which just returns the file name.
719 ********************************************************************/
721 const char *vfs_readdirname(connection_struct
*conn
, void *p
,
722 SMB_STRUCT_STAT
*sbuf
, char **talloced
)
724 SMB_STRUCT_DIRENT
*ptr
= NULL
;
732 ptr
= SMB_VFS_READDIR(conn
, (SMB_STRUCT_DIR
*)p
, sbuf
);
744 #ifdef HAVE_BROKEN_READDIR_NAME
745 /* using /usr/ucb/cc is BAD */
749 status
= SMB_VFS_TRANSLATE_NAME(conn
, dname
, vfs_translate_to_windows
,
750 talloc_tos(), &translated
);
751 if (NT_STATUS_EQUAL(status
, NT_STATUS_NONE_MAPPED
)) {
755 *talloced
= translated
;
756 if (!NT_STATUS_IS_OK(status
)) {
762 /*******************************************************************
763 A wrapper for vfs_chdir().
764 ********************************************************************/
766 int vfs_ChDir(connection_struct
*conn
, const char *path
)
771 LastDir
= SMB_STRDUP("");
774 if (strcsequal(path
,"."))
777 if (*path
== '/' && strcsequal(LastDir
,path
))
780 DEBUG(4,("vfs_ChDir to %s\n",path
));
782 res
= SMB_VFS_CHDIR(conn
,path
);
785 LastDir
= SMB_STRDUP(path
);
790 /*******************************************************************
791 Return the absolute current directory path - given a UNIX pathname.
792 Note that this path is returned in DOS format, not UNIX
793 format. Note this can be called with conn == NULL.
794 ********************************************************************/
796 char *vfs_GetWd(TALLOC_CTX
*ctx
, connection_struct
*conn
)
798 char *current_dir
= NULL
;
800 DATA_BLOB cache_value
;
802 struct smb_filename
*smb_fname_dot
= NULL
;
803 struct smb_filename
*smb_fname_full
= NULL
;
806 if (!lp_getwd_cache()) {
810 status
= create_synthetic_smb_fname(ctx
, ".", NULL
, NULL
,
812 if (!NT_STATUS_IS_OK(status
)) {
813 errno
= map_errno_from_nt_status(status
);
817 if (SMB_VFS_STAT(conn
, smb_fname_dot
) == -1) {
819 * Known to fail for root: the directory may be NFS-mounted
820 * and exported with root_squash (so has no root access).
822 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
823 "(NFS problem ?)\n", strerror(errno
) ));
827 key
= vfs_file_id_from_sbuf(conn
, &smb_fname_dot
->st
);
829 if (!memcache_lookup(smbd_memcache(), GETWD_CACHE
,
830 data_blob_const(&key
, sizeof(key
)),
835 SMB_ASSERT((cache_value
.length
> 0)
836 && (cache_value
.data
[cache_value
.length
-1] == '\0'));
838 status
= create_synthetic_smb_fname(ctx
, (char *)cache_value
.data
,
839 NULL
, NULL
, &smb_fname_full
);
840 if (!NT_STATUS_IS_OK(status
)) {
841 errno
= map_errno_from_nt_status(status
);
845 if ((SMB_VFS_STAT(conn
, smb_fname_full
) == 0) &&
846 (smb_fname_dot
->st
.st_ex_dev
== smb_fname_full
->st
.st_ex_dev
) &&
847 (smb_fname_dot
->st
.st_ex_ino
== smb_fname_full
->st
.st_ex_ino
) &&
848 (S_ISDIR(smb_fname_dot
->st
.st_ex_mode
))) {
852 result
= talloc_strdup(ctx
, smb_fname_full
->base_name
);
853 if (result
== NULL
) {
862 * We don't have the information to hand so rely on traditional
863 * methods. The very slow getcwd, which spawns a process on some
864 * systems, or the not quite so bad getwd.
867 current_dir
= SMB_VFS_GETWD(conn
);
868 if (current_dir
== NULL
) {
869 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
874 if (lp_getwd_cache() && VALID_STAT(smb_fname_dot
->st
)) {
875 key
= vfs_file_id_from_sbuf(conn
, &smb_fname_dot
->st
);
877 memcache_add(smbd_memcache(), GETWD_CACHE
,
878 data_blob_const(&key
, sizeof(key
)),
879 data_blob_const(current_dir
,
880 strlen(current_dir
)+1));
883 result
= talloc_strdup(ctx
, current_dir
);
884 if (result
== NULL
) {
889 TALLOC_FREE(smb_fname_dot
);
890 TALLOC_FREE(smb_fname_full
);
891 SAFE_FREE(current_dir
);
895 /*******************************************************************
896 Reduce a file name, removing .. elements and checking that
897 it is below dir in the heirachy. This uses realpath.
898 ********************************************************************/
900 NTSTATUS
check_reduced_name(connection_struct
*conn
, const char *fname
)
902 char *resolved_name
= NULL
;
903 bool allow_symlinks
= true;
904 bool allow_widelinks
= false;
906 DEBUG(3,("check_reduced_name [%s] [%s]\n", fname
, conn
->connectpath
));
908 resolved_name
= SMB_VFS_REALPATH(conn
,fname
);
910 if (!resolved_name
) {
913 DEBUG(3,("check_reduced_name: Component not a "
914 "directory in getting realpath for "
916 return NT_STATUS_OBJECT_PATH_NOT_FOUND
;
919 TALLOC_CTX
*ctx
= talloc_tos();
920 char *dir_name
= NULL
;
921 const char *last_component
= NULL
;
922 char *new_name
= NULL
;
924 /* Last component didn't exist.
925 Remove it and try and canonicalise
926 the directory name. */
927 if (!parent_dirname(ctx
, fname
,
930 return NT_STATUS_NO_MEMORY
;
933 resolved_name
= SMB_VFS_REALPATH(conn
,dir_name
);
934 if (!resolved_name
) {
935 NTSTATUS status
= map_nt_error_from_unix(errno
);
937 if (errno
== ENOENT
|| errno
== ENOTDIR
) {
938 status
= NT_STATUS_OBJECT_PATH_NOT_FOUND
;
941 DEBUG(3,("check_reduce_name: "
942 "couldn't get realpath for "
948 new_name
= talloc_asprintf(ctx
,
953 return NT_STATUS_NO_MEMORY
;
955 SAFE_FREE(resolved_name
);
956 resolved_name
= SMB_STRDUP(new_name
);
957 if (!resolved_name
) {
958 return NT_STATUS_NO_MEMORY
;
963 DEBUG(3,("check_reduced_name: couldn't get "
964 "realpath for %s\n", fname
));
965 return map_nt_error_from_unix(errno
);
969 DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname
,
972 if (*resolved_name
!= '/') {
973 DEBUG(0,("check_reduced_name: realpath doesn't return "
974 "absolute paths !\n"));
975 SAFE_FREE(resolved_name
);
976 return NT_STATUS_OBJECT_NAME_INVALID
;
979 allow_widelinks
= lp_widelinks(SNUM(conn
));
980 allow_symlinks
= lp_symlinks(SNUM(conn
));
982 /* Common widelinks and symlinks checks. */
983 if (!allow_widelinks
|| !allow_symlinks
) {
984 const char *conn_rootdir
;
987 conn_rootdir
= SMB_VFS_CONNECTPATH(conn
, fname
);
988 if (conn_rootdir
== NULL
) {
989 DEBUG(2, ("check_reduced_name: Could not get "
991 SAFE_FREE(resolved_name
);
992 return NT_STATUS_ACCESS_DENIED
;
995 rootdir_len
= strlen(conn_rootdir
);
996 if (strncmp(conn_rootdir
, resolved_name
,
998 DEBUG(2, ("check_reduced_name: Bad access "
999 "attempt: %s is a symlink outside the "
1000 "share path\n", fname
));
1001 DEBUGADD(2, ("conn_rootdir =%s\n", conn_rootdir
));
1002 DEBUGADD(2, ("resolved_name=%s\n", resolved_name
));
1003 SAFE_FREE(resolved_name
);
1004 return NT_STATUS_ACCESS_DENIED
;
1007 /* Extra checks if all symlinks are disallowed. */
1008 if (!allow_symlinks
) {
1009 /* fname can't have changed in resolved_path. */
1010 const char *p
= &resolved_name
[rootdir_len
];
1012 /* *p can be '\0' if fname was "." */
1013 if (*p
== '\0' && ISDOT(fname
)) {
1018 DEBUG(2, ("check_reduced_name: logic error (%c) "
1019 "in resolved_name: %s\n",
1022 SAFE_FREE(resolved_name
);
1023 return NT_STATUS_ACCESS_DENIED
;
1027 if (strcmp(fname
, p
)!=0) {
1028 DEBUG(2, ("check_reduced_name: Bad access "
1029 "attempt: %s is a symlink\n",
1031 SAFE_FREE(resolved_name
);
1032 return NT_STATUS_ACCESS_DENIED
;
1039 DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname
,
1041 SAFE_FREE(resolved_name
);
1042 return NT_STATUS_OK
;
1046 * XXX: This is temporary and there should be no callers of this once
1047 * smb_filename is plumbed through all path based operations.
1049 int vfs_stat_smb_fname(struct connection_struct
*conn
, const char *fname
,
1050 SMB_STRUCT_STAT
*psbuf
)
1052 struct smb_filename
*smb_fname
= NULL
;
1056 status
= create_synthetic_smb_fname_split(talloc_tos(), fname
, NULL
,
1058 if (!NT_STATUS_IS_OK(status
)) {
1059 errno
= map_errno_from_nt_status(status
);
1063 if (lp_posix_pathnames()) {
1064 ret
= SMB_VFS_LSTAT(conn
, smb_fname
);
1066 ret
= SMB_VFS_STAT(conn
, smb_fname
);
1070 *psbuf
= smb_fname
->st
;
1073 TALLOC_FREE(smb_fname
);
1078 * XXX: This is temporary and there should be no callers of this once
1079 * smb_filename is plumbed through all path based operations.
1081 int vfs_lstat_smb_fname(struct connection_struct
*conn
, const char *fname
,
1082 SMB_STRUCT_STAT
*psbuf
)
1084 struct smb_filename
*smb_fname
= NULL
;
1088 status
= create_synthetic_smb_fname_split(talloc_tos(), fname
, NULL
,
1090 if (!NT_STATUS_IS_OK(status
)) {
1091 errno
= map_errno_from_nt_status(status
);
1095 ret
= SMB_VFS_LSTAT(conn
, smb_fname
);
1097 *psbuf
= smb_fname
->st
;
1100 TALLOC_FREE(smb_fname
);
1105 * Ensure LSTAT is called for POSIX paths.
1108 NTSTATUS
vfs_stat_fsp(files_struct
*fsp
)
1112 if(fsp
->fh
->fd
== -1) {
1113 if (fsp
->posix_open
) {
1114 ret
= SMB_VFS_LSTAT(fsp
->conn
, fsp
->fsp_name
);
1116 ret
= SMB_VFS_STAT(fsp
->conn
, fsp
->fsp_name
);
1119 return map_nt_error_from_unix(errno
);
1122 if(SMB_VFS_FSTAT(fsp
, &fsp
->fsp_name
->st
) != 0) {
1123 return map_nt_error_from_unix(errno
);
1126 return NT_STATUS_OK
;
1130 * Initialize num_streams and streams, then call VFS op streaminfo
1132 NTSTATUS
vfs_streaminfo(connection_struct
*conn
,
1133 struct files_struct
*fsp
,
1135 TALLOC_CTX
*mem_ctx
,
1136 unsigned int *num_streams
,
1137 struct stream_struct
**streams
)
1141 return SMB_VFS_STREAMINFO(conn
, fsp
, fname
, mem_ctx
, num_streams
, streams
);
1145 generate a file_id from a stat structure
1147 struct file_id
vfs_file_id_from_sbuf(connection_struct
*conn
, const SMB_STRUCT_STAT
*sbuf
)
1149 return SMB_VFS_FILE_ID_CREATE(conn
, sbuf
);
1152 int smb_vfs_call_connect(struct vfs_handle_struct
*handle
,
1153 const char *service
, const char *user
)
1156 return handle
->fns
->connect_fn(handle
, service
, user
);
1159 void smb_vfs_call_disconnect(struct vfs_handle_struct
*handle
)
1161 VFS_FIND(disconnect
);
1162 handle
->fns
->disconnect_fn(handle
);
1165 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct
*handle
,
1166 const char *path
, bool small_query
,
1167 uint64_t *bsize
, uint64_t *dfree
,
1170 VFS_FIND(disk_free
);
1171 return handle
->fns
->disk_free_fn(handle
, path
, small_query
, bsize
,
1175 int smb_vfs_call_get_quota(struct vfs_handle_struct
*handle
,
1176 enum SMB_QUOTA_TYPE qtype
, unid_t id
,
1179 VFS_FIND(get_quota
);
1180 return handle
->fns
->get_quota_fn(handle
, qtype
, id
, qt
);
1183 int smb_vfs_call_set_quota(struct vfs_handle_struct
*handle
,
1184 enum SMB_QUOTA_TYPE qtype
, unid_t id
,
1187 VFS_FIND(set_quota
);
1188 return handle
->fns
->set_quota_fn(handle
, qtype
, id
, qt
);
1191 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct
*handle
,
1192 struct files_struct
*fsp
,
1193 struct shadow_copy_data
*shadow_copy_data
,
1196 VFS_FIND(get_shadow_copy_data
);
1197 return handle
->fns
->get_shadow_copy_data_fn(handle
, fsp
,
1201 int smb_vfs_call_statvfs(struct vfs_handle_struct
*handle
, const char *path
,
1202 struct vfs_statvfs_struct
*statbuf
)
1205 return handle
->fns
->statvfs_fn(handle
, path
, statbuf
);
1208 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct
*handle
,
1209 enum timestamp_set_resolution
*p_ts_res
)
1211 VFS_FIND(fs_capabilities
);
1212 return handle
->fns
->fs_capabilities_fn(handle
, p_ts_res
);
1215 NTSTATUS
smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct
*handle
,
1216 struct dfs_GetDFSReferral
*r
)
1218 VFS_FIND(get_dfs_referrals
);
1219 return handle
->fns
->get_dfs_referrals_fn(handle
, r
);
1222 SMB_STRUCT_DIR
*smb_vfs_call_opendir(struct vfs_handle_struct
*handle
,
1223 const char *fname
, const char *mask
,
1227 return handle
->fns
->opendir_fn(handle
, fname
, mask
, attributes
);
1230 SMB_STRUCT_DIR
*smb_vfs_call_fdopendir(struct vfs_handle_struct
*handle
,
1231 struct files_struct
*fsp
,
1235 VFS_FIND(fdopendir
);
1236 return handle
->fns
->fdopendir_fn(handle
, fsp
, mask
, attributes
);
1239 SMB_STRUCT_DIRENT
*smb_vfs_call_readdir(struct vfs_handle_struct
*handle
,
1240 SMB_STRUCT_DIR
*dirp
,
1241 SMB_STRUCT_STAT
*sbuf
)
1244 return handle
->fns
->readdir_fn(handle
, dirp
, sbuf
);
1247 void smb_vfs_call_seekdir(struct vfs_handle_struct
*handle
,
1248 SMB_STRUCT_DIR
*dirp
, long offset
)
1251 handle
->fns
->seekdir_fn(handle
, dirp
, offset
);
1254 long smb_vfs_call_telldir(struct vfs_handle_struct
*handle
,
1255 SMB_STRUCT_DIR
*dirp
)
1258 return handle
->fns
->telldir_fn(handle
, dirp
);
1261 void smb_vfs_call_rewind_dir(struct vfs_handle_struct
*handle
,
1262 SMB_STRUCT_DIR
*dirp
)
1264 VFS_FIND(rewind_dir
);
1265 handle
->fns
->rewind_dir_fn(handle
, dirp
);
1268 int smb_vfs_call_mkdir(struct vfs_handle_struct
*handle
, const char *path
,
1272 return handle
->fns
->mkdir_fn(handle
, path
, mode
);
1275 int smb_vfs_call_rmdir(struct vfs_handle_struct
*handle
, const char *path
)
1278 return handle
->fns
->rmdir_fn(handle
, path
);
1281 int smb_vfs_call_closedir(struct vfs_handle_struct
*handle
,
1282 SMB_STRUCT_DIR
*dir
)
1285 return handle
->fns
->closedir_fn(handle
, dir
);
1288 void smb_vfs_call_init_search_op(struct vfs_handle_struct
*handle
,
1289 SMB_STRUCT_DIR
*dirp
)
1291 VFS_FIND(init_search_op
);
1292 handle
->fns
->init_search_op_fn(handle
, dirp
);
1295 int smb_vfs_call_open(struct vfs_handle_struct
*handle
,
1296 struct smb_filename
*smb_fname
, struct files_struct
*fsp
,
1297 int flags
, mode_t mode
)
1300 return handle
->fns
->open_fn(handle
, smb_fname
, fsp
, flags
, mode
);
1303 NTSTATUS
smb_vfs_call_create_file(struct vfs_handle_struct
*handle
,
1304 struct smb_request
*req
,
1305 uint16_t root_dir_fid
,
1306 struct smb_filename
*smb_fname
,
1307 uint32_t access_mask
,
1308 uint32_t share_access
,
1309 uint32_t create_disposition
,
1310 uint32_t create_options
,
1311 uint32_t file_attributes
,
1312 uint32_t oplock_request
,
1313 uint64_t allocation_size
,
1314 uint32_t private_flags
,
1315 struct security_descriptor
*sd
,
1316 struct ea_list
*ea_list
,
1317 files_struct
**result
,
1320 VFS_FIND(create_file
);
1321 return handle
->fns
->create_file_fn(
1322 handle
, req
, root_dir_fid
, smb_fname
, access_mask
,
1323 share_access
, create_disposition
, create_options
,
1324 file_attributes
, oplock_request
, allocation_size
,
1325 private_flags
, sd
, ea_list
,
1329 int smb_vfs_call_close(struct vfs_handle_struct
*handle
,
1330 struct files_struct
*fsp
)
1333 return handle
->fns
->close_fn(handle
, fsp
);
1336 ssize_t
smb_vfs_call_read(struct vfs_handle_struct
*handle
,
1337 struct files_struct
*fsp
, void *data
, size_t n
)
1340 return handle
->fns
->read_fn(handle
, fsp
, data
, n
);
1343 ssize_t
smb_vfs_call_pread(struct vfs_handle_struct
*handle
,
1344 struct files_struct
*fsp
, void *data
, size_t n
,
1348 return handle
->fns
->pread_fn(handle
, fsp
, data
, n
, offset
);
1351 ssize_t
smb_vfs_call_write(struct vfs_handle_struct
*handle
,
1352 struct files_struct
*fsp
, const void *data
,
1356 return handle
->fns
->write_fn(handle
, fsp
, data
, n
);
1359 ssize_t
smb_vfs_call_pwrite(struct vfs_handle_struct
*handle
,
1360 struct files_struct
*fsp
, const void *data
,
1361 size_t n
, SMB_OFF_T offset
)
1364 return handle
->fns
->pwrite_fn(handle
, fsp
, data
, n
, offset
);
1367 SMB_OFF_T
smb_vfs_call_lseek(struct vfs_handle_struct
*handle
,
1368 struct files_struct
*fsp
, SMB_OFF_T offset
,
1372 return handle
->fns
->lseek_fn(handle
, fsp
, offset
, whence
);
1375 ssize_t
smb_vfs_call_sendfile(struct vfs_handle_struct
*handle
, int tofd
,
1376 files_struct
*fromfsp
, const DATA_BLOB
*header
,
1377 SMB_OFF_T offset
, size_t count
)
1380 return handle
->fns
->sendfile_fn(handle
, tofd
, fromfsp
, header
, offset
,
1384 ssize_t
smb_vfs_call_recvfile(struct vfs_handle_struct
*handle
, int fromfd
,
1385 files_struct
*tofsp
, SMB_OFF_T offset
,
1389 return handle
->fns
->recvfile_fn(handle
, fromfd
, tofsp
, offset
, count
);
1392 int smb_vfs_call_rename(struct vfs_handle_struct
*handle
,
1393 const struct smb_filename
*smb_fname_src
,
1394 const struct smb_filename
*smb_fname_dst
)
1397 return handle
->fns
->rename_fn(handle
, smb_fname_src
, smb_fname_dst
);
1400 int smb_vfs_call_fsync(struct vfs_handle_struct
*handle
,
1401 struct files_struct
*fsp
)
1404 return handle
->fns
->fsync_fn(handle
, fsp
);
1407 int smb_vfs_call_stat(struct vfs_handle_struct
*handle
,
1408 struct smb_filename
*smb_fname
)
1411 return handle
->fns
->stat_fn(handle
, smb_fname
);
1414 int smb_vfs_call_fstat(struct vfs_handle_struct
*handle
,
1415 struct files_struct
*fsp
, SMB_STRUCT_STAT
*sbuf
)
1418 return handle
->fns
->fstat_fn(handle
, fsp
, sbuf
);
1421 int smb_vfs_call_lstat(struct vfs_handle_struct
*handle
,
1422 struct smb_filename
*smb_filename
)
1425 return handle
->fns
->lstat_fn(handle
, smb_filename
);
1428 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct
*handle
,
1429 struct files_struct
*fsp
,
1430 const SMB_STRUCT_STAT
*sbuf
)
1432 VFS_FIND(get_alloc_size
);
1433 return handle
->fns
->get_alloc_size_fn(handle
, fsp
, sbuf
);
1436 int smb_vfs_call_unlink(struct vfs_handle_struct
*handle
,
1437 const struct smb_filename
*smb_fname
)
1440 return handle
->fns
->unlink_fn(handle
, smb_fname
);
1443 int smb_vfs_call_chmod(struct vfs_handle_struct
*handle
, const char *path
,
1447 return handle
->fns
->chmod_fn(handle
, path
, mode
);
1450 int smb_vfs_call_fchmod(struct vfs_handle_struct
*handle
,
1451 struct files_struct
*fsp
, mode_t mode
)
1454 return handle
->fns
->fchmod_fn(handle
, fsp
, mode
);
1457 int smb_vfs_call_chown(struct vfs_handle_struct
*handle
, const char *path
,
1458 uid_t uid
, gid_t gid
)
1461 return handle
->fns
->chown_fn(handle
, path
, uid
, gid
);
1464 int smb_vfs_call_fchown(struct vfs_handle_struct
*handle
,
1465 struct files_struct
*fsp
, uid_t uid
, gid_t gid
)
1468 return handle
->fns
->fchown_fn(handle
, fsp
, uid
, gid
);
1471 int smb_vfs_call_lchown(struct vfs_handle_struct
*handle
, const char *path
,
1472 uid_t uid
, gid_t gid
)
1475 return handle
->fns
->lchown_fn(handle
, path
, uid
, gid
);
1478 NTSTATUS
vfs_chown_fsp(files_struct
*fsp
, uid_t uid
, gid_t gid
)
1481 bool as_root
= false;
1483 char *saved_dir
= NULL
;
1484 char *parent_dir
= NULL
;
1487 if (fsp
->fh
->fd
!= -1) {
1489 ret
= SMB_VFS_FCHOWN(fsp
, uid
, gid
);
1491 return NT_STATUS_OK
;
1493 if (ret
== -1 && errno
!= ENOSYS
) {
1494 return map_nt_error_from_unix(errno
);
1498 as_root
= (geteuid() == 0);
1502 * We are being asked to chown as root. Make
1503 * sure we chdir() into the path to pin it,
1504 * and always act using lchown to ensure we
1505 * don't deref any symbolic links.
1507 const char *final_component
= NULL
;
1508 struct smb_filename local_fname
;
1510 saved_dir
= vfs_GetWd(talloc_tos(),fsp
->conn
);
1512 status
= map_nt_error_from_unix(errno
);
1513 DEBUG(0,("vfs_chown_fsp: failed to get "
1514 "current working directory. Error was %s\n",
1519 if (!parent_dirname(talloc_tos(),
1520 fsp
->fsp_name
->base_name
,
1522 &final_component
)) {
1523 return NT_STATUS_NO_MEMORY
;
1526 /* cd into the parent dir to pin it. */
1527 ret
= vfs_ChDir(fsp
->conn
, parent_dir
);
1529 return map_nt_error_from_unix(errno
);
1532 ZERO_STRUCT(local_fname
);
1533 local_fname
.base_name
= discard_const_p(char, final_component
);
1535 /* Must use lstat here. */
1536 ret
= SMB_VFS_LSTAT(fsp
->conn
, &local_fname
);
1538 status
= map_nt_error_from_unix(errno
);
1542 /* Ensure it matches the fsp stat. */
1543 if (!check_same_stat(&local_fname
.st
, &fsp
->fsp_name
->st
)) {
1544 status
= NT_STATUS_ACCESS_DENIED
;
1547 path
= final_component
;
1549 path
= fsp
->fsp_name
->base_name
;
1552 if (fsp
->posix_open
|| as_root
) {
1553 ret
= SMB_VFS_LCHOWN(fsp
->conn
,
1557 ret
= SMB_VFS_CHOWN(fsp
->conn
,
1563 status
= NT_STATUS_OK
;
1565 status
= map_nt_error_from_unix(errno
);
1571 vfs_ChDir(fsp
->conn
,saved_dir
);
1572 TALLOC_FREE(saved_dir
);
1573 TALLOC_FREE(parent_dir
);
1578 int smb_vfs_call_chdir(struct vfs_handle_struct
*handle
, const char *path
)
1581 return handle
->fns
->chdir_fn(handle
, path
);
1584 char *smb_vfs_call_getwd(struct vfs_handle_struct
*handle
)
1587 return handle
->fns
->getwd_fn(handle
);
1590 int smb_vfs_call_ntimes(struct vfs_handle_struct
*handle
,
1591 const struct smb_filename
*smb_fname
,
1592 struct smb_file_time
*ft
)
1595 return handle
->fns
->ntimes_fn(handle
, smb_fname
, ft
);
1598 int smb_vfs_call_ftruncate(struct vfs_handle_struct
*handle
,
1599 struct files_struct
*fsp
, SMB_OFF_T offset
)
1601 VFS_FIND(ftruncate
);
1602 return handle
->fns
->ftruncate_fn(handle
, fsp
, offset
);
1605 int smb_vfs_call_fallocate(struct vfs_handle_struct
*handle
,
1606 struct files_struct
*fsp
,
1607 enum vfs_fallocate_mode mode
,
1611 VFS_FIND(fallocate
);
1612 return handle
->fns
->fallocate_fn(handle
, fsp
, mode
, offset
, len
);
1615 int smb_vfs_call_kernel_flock(struct vfs_handle_struct
*handle
,
1616 struct files_struct
*fsp
, uint32 share_mode
,
1617 uint32_t access_mask
)
1619 VFS_FIND(kernel_flock
);
1620 return handle
->fns
->kernel_flock_fn(handle
, fsp
, share_mode
,
1624 int smb_vfs_call_linux_setlease(struct vfs_handle_struct
*handle
,
1625 struct files_struct
*fsp
, int leasetype
)
1627 VFS_FIND(linux_setlease
);
1628 return handle
->fns
->linux_setlease_fn(handle
, fsp
, leasetype
);
1631 int smb_vfs_call_symlink(struct vfs_handle_struct
*handle
, const char *oldpath
,
1632 const char *newpath
)
1635 return handle
->fns
->symlink_fn(handle
, oldpath
, newpath
);
1638 int smb_vfs_call_readlink(struct vfs_handle_struct
*handle
,
1639 const char *path
, char *buf
, size_t bufsiz
)
1642 return handle
->fns
->readlink_fn(handle
, path
, buf
, bufsiz
);
1645 int smb_vfs_call_link(struct vfs_handle_struct
*handle
, const char *oldpath
,
1646 const char *newpath
)
1649 return handle
->fns
->link_fn(handle
, oldpath
, newpath
);
1652 int smb_vfs_call_mknod(struct vfs_handle_struct
*handle
, const char *path
,
1653 mode_t mode
, SMB_DEV_T dev
)
1656 return handle
->fns
->mknod_fn(handle
, path
, mode
, dev
);
1659 char *smb_vfs_call_realpath(struct vfs_handle_struct
*handle
, const char *path
)
1662 return handle
->fns
->realpath_fn(handle
, path
);
1665 NTSTATUS
smb_vfs_call_notify_watch(struct vfs_handle_struct
*handle
,
1666 struct sys_notify_context
*ctx
,
1667 struct notify_entry
*e
,
1668 void (*callback
)(struct sys_notify_context
*ctx
,
1670 struct notify_event
*ev
),
1671 void *private_data
, void *handle_p
)
1673 VFS_FIND(notify_watch
);
1674 return handle
->fns
->notify_watch_fn(handle
, ctx
, e
, callback
,
1675 private_data
, handle_p
);
1678 int smb_vfs_call_chflags(struct vfs_handle_struct
*handle
, const char *path
,
1682 return handle
->fns
->chflags_fn(handle
, path
, flags
);
1685 struct file_id
smb_vfs_call_file_id_create(struct vfs_handle_struct
*handle
,
1686 const SMB_STRUCT_STAT
*sbuf
)
1688 VFS_FIND(file_id_create
);
1689 return handle
->fns
->file_id_create_fn(handle
, sbuf
);
1692 NTSTATUS
smb_vfs_call_streaminfo(struct vfs_handle_struct
*handle
,
1693 struct files_struct
*fsp
,
1695 TALLOC_CTX
*mem_ctx
,
1696 unsigned int *num_streams
,
1697 struct stream_struct
**streams
)
1699 VFS_FIND(streaminfo
);
1700 return handle
->fns
->streaminfo_fn(handle
, fsp
, fname
, mem_ctx
,
1701 num_streams
, streams
);
1704 int smb_vfs_call_get_real_filename(struct vfs_handle_struct
*handle
,
1705 const char *path
, const char *name
,
1706 TALLOC_CTX
*mem_ctx
, char **found_name
)
1708 VFS_FIND(get_real_filename
);
1709 return handle
->fns
->get_real_filename_fn(handle
, path
, name
, mem_ctx
,
1713 const char *smb_vfs_call_connectpath(struct vfs_handle_struct
*handle
,
1714 const char *filename
)
1716 VFS_FIND(connectpath
);
1717 return handle
->fns
->connectpath_fn(handle
, filename
);
1720 bool smb_vfs_call_strict_lock(struct vfs_handle_struct
*handle
,
1721 struct files_struct
*fsp
,
1722 struct lock_struct
*plock
)
1724 VFS_FIND(strict_lock
);
1725 return handle
->fns
->strict_lock_fn(handle
, fsp
, plock
);
1728 void smb_vfs_call_strict_unlock(struct vfs_handle_struct
*handle
,
1729 struct files_struct
*fsp
,
1730 struct lock_struct
*plock
)
1732 VFS_FIND(strict_unlock
);
1733 handle
->fns
->strict_unlock_fn(handle
, fsp
, plock
);
1736 NTSTATUS
smb_vfs_call_translate_name(struct vfs_handle_struct
*handle
,
1738 enum vfs_translate_direction direction
,
1739 TALLOC_CTX
*mem_ctx
,
1742 VFS_FIND(translate_name
);
1743 return handle
->fns
->translate_name_fn(handle
, name
, direction
, mem_ctx
,
1747 NTSTATUS
smb_vfs_call_fsctl(struct vfs_handle_struct
*handle
,
1748 struct files_struct
*fsp
,
1752 const uint8_t *in_data
,
1755 uint32_t max_out_len
,
1759 return handle
->fns
->fsctl_fn(handle
, fsp
, ctx
, function
, req_flags
,
1760 in_data
, in_len
, out_data
, max_out_len
,
1764 NTSTATUS
smb_vfs_call_fget_nt_acl(struct vfs_handle_struct
*handle
,
1765 struct files_struct
*fsp
,
1766 uint32 security_info
,
1767 struct security_descriptor
**ppdesc
)
1769 VFS_FIND(fget_nt_acl
);
1770 return handle
->fns
->fget_nt_acl_fn(handle
, fsp
, security_info
,
1774 NTSTATUS
smb_vfs_call_get_nt_acl(struct vfs_handle_struct
*handle
,
1776 uint32 security_info
,
1777 struct security_descriptor
**ppdesc
)
1779 VFS_FIND(get_nt_acl
);
1780 return handle
->fns
->get_nt_acl_fn(handle
, name
, security_info
, ppdesc
);
1783 NTSTATUS
smb_vfs_call_fset_nt_acl(struct vfs_handle_struct
*handle
,
1784 struct files_struct
*fsp
,
1785 uint32 security_info_sent
,
1786 const struct security_descriptor
*psd
)
1788 VFS_FIND(fset_nt_acl
);
1789 return handle
->fns
->fset_nt_acl_fn(handle
, fsp
, security_info_sent
,
1793 int smb_vfs_call_chmod_acl(struct vfs_handle_struct
*handle
, const char *name
,
1796 VFS_FIND(chmod_acl
);
1797 return handle
->fns
->chmod_acl_fn(handle
, name
, mode
);
1800 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct
*handle
,
1801 struct files_struct
*fsp
, mode_t mode
)
1803 VFS_FIND(fchmod_acl
);
1804 return handle
->fns
->fchmod_acl_fn(handle
, fsp
, mode
);
1807 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct
*handle
,
1808 SMB_ACL_T theacl
, int entry_id
,
1809 SMB_ACL_ENTRY_T
*entry_p
)
1811 VFS_FIND(sys_acl_get_entry
);
1812 return handle
->fns
->sys_acl_get_entry_fn(handle
, theacl
, entry_id
,
1816 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct
*handle
,
1817 SMB_ACL_ENTRY_T entry_d
,
1818 SMB_ACL_TAG_T
*tag_type_p
)
1820 VFS_FIND(sys_acl_get_tag_type
);
1821 return handle
->fns
->sys_acl_get_tag_type_fn(handle
, entry_d
,
1825 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct
*handle
,
1826 SMB_ACL_ENTRY_T entry_d
,
1827 SMB_ACL_PERMSET_T
*permset_p
)
1829 VFS_FIND(sys_acl_get_permset
);
1830 return handle
->fns
->sys_acl_get_permset_fn(handle
, entry_d
, permset_p
);
1833 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct
*handle
,
1834 SMB_ACL_ENTRY_T entry_d
)
1836 VFS_FIND(sys_acl_get_qualifier
);
1837 return handle
->fns
->sys_acl_get_qualifier_fn(handle
, entry_d
);
1840 SMB_ACL_T
smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct
*handle
,
1842 SMB_ACL_TYPE_T type
)
1844 VFS_FIND(sys_acl_get_file
);
1845 return handle
->fns
->sys_acl_get_file_fn(handle
, path_p
, type
);
1848 SMB_ACL_T
smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct
*handle
,
1849 struct files_struct
*fsp
)
1851 VFS_FIND(sys_acl_get_fd
);
1852 return handle
->fns
->sys_acl_get_fd_fn(handle
, fsp
);
1855 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct
*handle
,
1856 SMB_ACL_PERMSET_T permset
)
1858 VFS_FIND(sys_acl_clear_perms
);
1859 return handle
->fns
->sys_acl_clear_perms_fn(handle
, permset
);
1862 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct
*handle
,
1863 SMB_ACL_PERMSET_T permset
,
1864 SMB_ACL_PERM_T perm
)
1866 VFS_FIND(sys_acl_add_perm
);
1867 return handle
->fns
->sys_acl_add_perm_fn(handle
, permset
, perm
);
1870 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct
*handle
,
1871 SMB_ACL_T theacl
, ssize_t
*plen
)
1873 VFS_FIND(sys_acl_to_text
);
1874 return handle
->fns
->sys_acl_to_text_fn(handle
, theacl
, plen
);
1877 SMB_ACL_T
smb_vfs_call_sys_acl_init(struct vfs_handle_struct
*handle
,
1880 VFS_FIND(sys_acl_init
);
1881 return handle
->fns
->sys_acl_init_fn(handle
, count
);
1884 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct
*handle
,
1885 SMB_ACL_T
*pacl
, SMB_ACL_ENTRY_T
*pentry
)
1887 VFS_FIND(sys_acl_create_entry
);
1888 return handle
->fns
->sys_acl_create_entry_fn(handle
, pacl
, pentry
);
1891 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct
*handle
,
1892 SMB_ACL_ENTRY_T entry
,
1893 SMB_ACL_TAG_T tagtype
)
1895 VFS_FIND(sys_acl_set_tag_type
);
1896 return handle
->fns
->sys_acl_set_tag_type_fn(handle
, entry
, tagtype
);
1899 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct
*handle
,
1900 SMB_ACL_ENTRY_T entry
, void *qual
)
1902 VFS_FIND(sys_acl_set_qualifier
);
1903 return handle
->fns
->sys_acl_set_qualifier_fn(handle
, entry
, qual
);
1906 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct
*handle
,
1907 SMB_ACL_ENTRY_T entry
,
1908 SMB_ACL_PERMSET_T permset
)
1910 VFS_FIND(sys_acl_set_permset
);
1911 return handle
->fns
->sys_acl_set_permset_fn(handle
, entry
, permset
);
1914 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct
*handle
,
1917 VFS_FIND(sys_acl_valid
);
1918 return handle
->fns
->sys_acl_valid_fn(handle
, theacl
);
1921 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct
*handle
,
1922 const char *name
, SMB_ACL_TYPE_T acltype
,
1925 VFS_FIND(sys_acl_set_file
);
1926 return handle
->fns
->sys_acl_set_file_fn(handle
, name
, acltype
, theacl
);
1929 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct
*handle
,
1930 struct files_struct
*fsp
, SMB_ACL_T theacl
)
1932 VFS_FIND(sys_acl_set_fd
);
1933 return handle
->fns
->sys_acl_set_fd_fn(handle
, fsp
, theacl
);
1936 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct
*handle
,
1939 VFS_FIND(sys_acl_delete_def_file
);
1940 return handle
->fns
->sys_acl_delete_def_file_fn(handle
, path
);
1943 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct
*handle
,
1944 SMB_ACL_PERMSET_T permset
,
1945 SMB_ACL_PERM_T perm
)
1947 VFS_FIND(sys_acl_get_perm
);
1948 return handle
->fns
->sys_acl_get_perm_fn(handle
, permset
, perm
);
1951 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct
*handle
,
1954 VFS_FIND(sys_acl_free_text
);
1955 return handle
->fns
->sys_acl_free_text_fn(handle
, text
);
1958 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct
*handle
,
1959 SMB_ACL_T posix_acl
)
1961 VFS_FIND(sys_acl_free_acl
);
1962 return handle
->fns
->sys_acl_free_acl_fn(handle
, posix_acl
);
1965 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct
*handle
,
1966 void *qualifier
, SMB_ACL_TAG_T tagtype
)
1968 VFS_FIND(sys_acl_free_qualifier
);
1969 return handle
->fns
->sys_acl_free_qualifier_fn(handle
, qualifier
,
1973 ssize_t
smb_vfs_call_getxattr(struct vfs_handle_struct
*handle
,
1974 const char *path
, const char *name
, void *value
,
1978 return handle
->fns
->getxattr_fn(handle
, path
, name
, value
, size
);
1981 ssize_t
smb_vfs_call_lgetxattr(struct vfs_handle_struct
*handle
,
1982 const char *path
, const char *name
, void *value
,
1985 VFS_FIND(lgetxattr
);
1986 return handle
->fns
->lgetxattr_fn(handle
, path
, name
, value
, size
);
1989 ssize_t
smb_vfs_call_fgetxattr(struct vfs_handle_struct
*handle
,
1990 struct files_struct
*fsp
, const char *name
,
1991 void *value
, size_t size
)
1993 VFS_FIND(fgetxattr
);
1994 return handle
->fns
->fgetxattr_fn(handle
, fsp
, name
, value
, size
);
1997 ssize_t
smb_vfs_call_listxattr(struct vfs_handle_struct
*handle
,
1998 const char *path
, char *list
, size_t size
)
2000 VFS_FIND(listxattr
);
2001 return handle
->fns
->listxattr_fn(handle
, path
, list
, size
);
2004 ssize_t
smb_vfs_call_llistxattr(struct vfs_handle_struct
*handle
,
2005 const char *path
, char *list
, size_t size
)
2007 VFS_FIND(llistxattr
);
2008 return handle
->fns
->llistxattr_fn(handle
, path
, list
, size
);
2011 ssize_t
smb_vfs_call_flistxattr(struct vfs_handle_struct
*handle
,
2012 struct files_struct
*fsp
, char *list
,
2015 VFS_FIND(flistxattr
);
2016 return handle
->fns
->flistxattr_fn(handle
, fsp
, list
, size
);
2019 int smb_vfs_call_removexattr(struct vfs_handle_struct
*handle
,
2020 const char *path
, const char *name
)
2022 VFS_FIND(removexattr
);
2023 return handle
->fns
->removexattr_fn(handle
, path
, name
);
2026 int smb_vfs_call_lremovexattr(struct vfs_handle_struct
*handle
,
2027 const char *path
, const char *name
)
2029 VFS_FIND(lremovexattr
);
2030 return handle
->fns
->lremovexattr_fn(handle
, path
, name
);
2033 int smb_vfs_call_fremovexattr(struct vfs_handle_struct
*handle
,
2034 struct files_struct
*fsp
, const char *name
)
2036 VFS_FIND(fremovexattr
);
2037 return handle
->fns
->fremovexattr_fn(handle
, fsp
, name
);
2040 int smb_vfs_call_setxattr(struct vfs_handle_struct
*handle
, const char *path
,
2041 const char *name
, const void *value
, size_t size
,
2045 return handle
->fns
->setxattr_fn(handle
, path
, name
, value
, size
, flags
);
2048 int smb_vfs_call_lsetxattr(struct vfs_handle_struct
*handle
, const char *path
,
2049 const char *name
, const void *value
, size_t size
,
2052 VFS_FIND(lsetxattr
);
2053 return handle
->fns
->lsetxattr_fn(handle
, path
, name
, value
, size
,
2057 int smb_vfs_call_fsetxattr(struct vfs_handle_struct
*handle
,
2058 struct files_struct
*fsp
, const char *name
,
2059 const void *value
, size_t size
, int flags
)
2061 VFS_FIND(fsetxattr
);
2062 return handle
->fns
->fsetxattr_fn(handle
, fsp
, name
, value
, size
, flags
);
2065 int smb_vfs_call_aio_read(struct vfs_handle_struct
*handle
,
2066 struct files_struct
*fsp
, SMB_STRUCT_AIOCB
*aiocb
)
2069 return handle
->fns
->aio_read_fn(handle
, fsp
, aiocb
);
2072 int smb_vfs_call_aio_write(struct vfs_handle_struct
*handle
,
2073 struct files_struct
*fsp
, SMB_STRUCT_AIOCB
*aiocb
)
2075 VFS_FIND(aio_write
);
2076 return handle
->fns
->aio_write_fn(handle
, fsp
, aiocb
);
2079 ssize_t
smb_vfs_call_aio_return(struct vfs_handle_struct
*handle
,
2080 struct files_struct
*fsp
,
2081 SMB_STRUCT_AIOCB
*aiocb
)
2083 VFS_FIND(aio_return
);
2084 return handle
->fns
->aio_return_fn(handle
, fsp
, aiocb
);
2087 int smb_vfs_call_aio_cancel(struct vfs_handle_struct
*handle
,
2088 struct files_struct
*fsp
, SMB_STRUCT_AIOCB
*aiocb
)
2090 VFS_FIND(aio_cancel
);
2091 return handle
->fns
->aio_cancel_fn(handle
, fsp
, aiocb
);
2094 int smb_vfs_call_aio_error(struct vfs_handle_struct
*handle
,
2095 struct files_struct
*fsp
,
2096 SMB_STRUCT_AIOCB
*aiocb
)
2098 VFS_FIND(aio_error
);
2099 return handle
->fns
->aio_error_fn(handle
, fsp
, aiocb
);
2102 int smb_vfs_call_aio_fsync(struct vfs_handle_struct
*handle
,
2103 struct files_struct
*fsp
, int op
,
2104 SMB_STRUCT_AIOCB
*aiocb
)
2106 VFS_FIND(aio_fsync
);
2107 return handle
->fns
->aio_fsync_fn(handle
, fsp
, op
, aiocb
);
2110 int smb_vfs_call_aio_suspend(struct vfs_handle_struct
*handle
,
2111 struct files_struct
*fsp
,
2112 const SMB_STRUCT_AIOCB
* const aiocb
[], int n
,
2113 const struct timespec
*timeout
)
2115 VFS_FIND(aio_suspend
);
2116 return handle
->fns
->aio_suspend_fn(handle
, fsp
, aiocb
, n
, timeout
);
2119 bool smb_vfs_call_aio_force(struct vfs_handle_struct
*handle
,
2120 struct files_struct
*fsp
)
2122 VFS_FIND(aio_force
);
2123 return handle
->fns
->aio_force_fn(handle
, fsp
);
2126 bool smb_vfs_call_is_offline(struct vfs_handle_struct
*handle
,
2127 const struct smb_filename
*fname
,
2128 SMB_STRUCT_STAT
*sbuf
)
2130 VFS_FIND(is_offline
);
2131 return handle
->fns
->is_offline_fn(handle
, fname
, sbuf
);
2134 int smb_vfs_call_set_offline(struct vfs_handle_struct
*handle
,
2135 const struct smb_filename
*fname
)
2137 VFS_FIND(set_offline
);
2138 return handle
->fns
->set_offline_fn(handle
, fname
);