source: trunk/server/source3/smbd/vfs.c@ 832

Last change on this file since 832 was 751, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.9
File size: 56.4 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3 Version 1.9.
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
9
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.
14
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.
19
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/>.
22
23 This work was sponsored by Optifacio Software Services, Inc.
24*/
25
26#include "includes.h"
27#include "system/filesys.h"
28#include "smbd/smbd.h"
29#include "smbd/globals.h"
30#include "memcache.h"
31#include "transfer_file.h"
32#include "ntioctl.h"
33
34#undef DBGC_CLASS
35#define DBGC_CLASS DBGC_VFS
36
37static_decl_vfs;
38
39struct vfs_init_function_entry {
40 char *name;
41 struct vfs_init_function_entry *prev, *next;
42 const struct vfs_fn_pointers *fns;
43};
44
45/****************************************************************************
46 maintain the list of available backends
47****************************************************************************/
48
49static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
50{
51 struct vfs_init_function_entry *entry = backends;
52
53 DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
54
55 while(entry) {
56 if (strcmp(entry->name, name)==0) return entry;
57 entry = entry->next;
58 }
59
60 return NULL;
61}
62
63NTSTATUS smb_register_vfs(int version, const char *name,
64 const struct vfs_fn_pointers *fns)
65{
66 struct vfs_init_function_entry *entry = backends;
67
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;
75 }
76
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;
80 }
81
82 if (vfs_find_backend_entry(name)) {
83 DEBUG(0,("VFS module %s already loaded!\n", name));
84 return NT_STATUS_OBJECT_NAME_COLLISION;
85 }
86
87 entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
88 entry->name = smb_xstrdup(name);
89 entry->fns = fns;
90
91 DLIST_ADD(backends, entry);
92 DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
93 return NT_STATUS_OK;
94}
95
96/****************************************************************************
97 initialise default vfs hooks
98****************************************************************************/
99
100static void vfs_init_default(connection_struct *conn)
101{
102 DEBUG(3, ("Initialising default vfs hooks\n"));
103 vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
104}
105
106/****************************************************************************
107 initialise custom vfs hooks
108 ****************************************************************************/
109
110bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
111{
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;
117
118 if (!conn||!vfs_object||!vfs_object[0]) {
119 DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
120 "empty vfs_object!\n"));
121 return False;
122 }
123
124 if(!backends) {
125 static_init_vfs;
126 }
127
128 DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
129
130 module_path = smb_xstrdup(vfs_object);
131
132 p = strchr_m(module_path, ':');
133
134 if (p) {
135 *p = 0;
136 module_param = p+1;
137 trim_char(module_param, ' ', ' ');
138 }
139
140 trim_char(module_path, ' ', ' ');
141
142 module_name = smb_xstrdup(module_path);
143
144 if ((module_name[0] == '/') &&
145 (strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
146
147 /*
148 * Extract the module name from the path. Just use the base
149 * name of the last path component.
150 */
151
152 SAFE_FREE(module_name);
153 module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
154
155 p = strchr_m(module_name, '.');
156
157 if (p != NULL) {
158 *p = '\0';
159 }
160 }
161
162 /* First, try to load the module with the new module system */
163 entry = vfs_find_backend_entry(module_name);
164 if (!entry) {
165 NTSTATUS status;
166
167 DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
168 vfs_object));
169
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)));
174 goto fail;
175 }
176
177 entry = vfs_find_backend_entry(module_name);
178 if (!entry) {
179 DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
180 goto fail;
181 }
182 }
183
184 DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
185
186 handle = TALLOC_ZERO_P(conn, vfs_handle_struct);
187 if (!handle) {
188 DEBUG(0,("TALLOC_ZERO() failed!\n"));
189 goto fail;
190 }
191 handle->conn = conn;
192 handle->fns = entry->fns;
193 if (module_param) {
194 handle->param = talloc_strdup(conn, module_param);
195 }
196 DLIST_ADD(conn->vfs_handles, handle);
197
198 SAFE_FREE(module_path);
199 SAFE_FREE(module_name);
200 return True;
201
202 fail:
203 SAFE_FREE(module_path);
204 SAFE_FREE(module_name);
205 return False;
206}
207
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******************************************************************/
213
214#define EXT_DATA_AREA(e) ((uint8 *)(e) + sizeof(struct vfs_fsp_data))
215
216void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
217 files_struct *fsp, size_t ext_size,
218 void (*destroy_fn)(void *p_data))
219{
220 struct vfs_fsp_data *ext;
221 void * ext_data;
222
223 /* Prevent VFS modules adding multiple extensions. */
224 if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
225 return ext_data;
226 }
227
228 ext = (struct vfs_fsp_data *)TALLOC_ZERO(
229 handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
230 if (ext == NULL) {
231 return NULL;
232 }
233
234 ext->owner = handle;
235 ext->next = fsp->vfs_extension;
236 ext->destroy = destroy_fn;
237 fsp->vfs_extension = ext;
238 return EXT_DATA_AREA(ext);
239}
240
241void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
242{
243 struct vfs_fsp_data *curr;
244 struct vfs_fsp_data *prev;
245
246 for (curr = fsp->vfs_extension, prev = NULL;
247 curr;
248 prev = curr, curr = curr->next) {
249 if (curr->owner == handle) {
250 if (prev) {
251 prev->next = curr->next;
252 } else {
253 fsp->vfs_extension = curr->next;
254 }
255 if (curr->destroy) {
256 curr->destroy(EXT_DATA_AREA(curr));
257 }
258 TALLOC_FREE(curr);
259 return;
260 }
261 }
262}
263
264void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
265{
266 struct vfs_fsp_data *head;
267
268 for (head = fsp->vfs_extension; head; head = head->next) {
269 if (head->owner == handle) {
270 return head;
271 }
272 }
273
274 return NULL;
275}
276
277void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
278{
279 struct vfs_fsp_data *head;
280
281 head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
282 if (head != NULL) {
283 return EXT_DATA_AREA(head);
284 }
285
286 return NULL;
287}
288
289#undef EXT_DATA_AREA
290
291/*****************************************************************
292 Generic VFS init.
293******************************************************************/
294
295bool smbd_vfs_init(connection_struct *conn)
296{
297 const char **vfs_objects;
298 unsigned int i = 0;
299 int j = 0;
300
301 /* Normal share - initialise with disk access functions */
302 vfs_init_default(conn);
303 vfs_objects = lp_vfs_objects(SNUM(conn));
304
305 /* Override VFS functions if 'vfs object' was not specified*/
306 if (!vfs_objects || !vfs_objects[0])
307 return True;
308
309 for (i=0; vfs_objects[i] ;) {
310 i++;
311 }
312
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]));
316 return False;
317 }
318 }
319 return True;
320}
321
322/*******************************************************************
323 Check if a file exists in the vfs.
324********************************************************************/
325
326NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
327{
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)) {
331 return NT_STATUS_OK;
332 }
333
334 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
335}
336
337/****************************************************************************
338 Read data from fsp on the vfs. (note: EINTR re-read differs from vfs_write_data)
339****************************************************************************/
340
341ssize_t vfs_read_data(files_struct *fsp, char *buf, size_t byte_count)
342{
343 size_t total=0;
344
345 while (total < byte_count)
346 {
347 ssize_t ret = SMB_VFS_READ(fsp, buf + total,
348 byte_count - total);
349
350 if (ret == 0) return total;
351 if (ret == -1) {
352 if (errno == EINTR)
353 continue;
354 else
355 return -1;
356 }
357 total += ret;
358 }
359 return (ssize_t)total;
360}
361
362ssize_t vfs_pread_data(files_struct *fsp, char *buf,
363 size_t byte_count, SMB_OFF_T offset)
364{
365 size_t total=0;
366
367 while (total < byte_count)
368 {
369 ssize_t ret = SMB_VFS_PREAD(fsp, buf + total,
370 byte_count - total, offset + total);
371
372 if (ret == 0) return total;
373 if (ret == -1) {
374 if (errno == EINTR)
375 continue;
376 else
377 return -1;
378 }
379 total += ret;
380 }
381 return (ssize_t)total;
382}
383
384/****************************************************************************
385 Write data to a fd on the vfs.
386****************************************************************************/
387
388ssize_t vfs_write_data(struct smb_request *req,
389 files_struct *fsp,
390 const char *buffer,
391 size_t N)
392{
393 size_t total=0;
394 ssize_t ret;
395
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,
402 fsp,
403 (SMB_OFF_T)-1,
404 N);
405 }
406
407 while (total < N) {
408 ret = SMB_VFS_WRITE(fsp, buffer + total, N - total);
409
410 if (ret == -1)
411 return -1;
412 if (ret == 0)
413 return total;
414
415 total += ret;
416 }
417 return (ssize_t)total;
418}
419
420ssize_t vfs_pwrite_data(struct smb_request *req,
421 files_struct *fsp,
422 const char *buffer,
423 size_t N,
424 SMB_OFF_T offset)
425{
426 size_t total=0;
427 ssize_t ret;
428
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,
435 fsp,
436 offset,
437 N);
438 }
439
440 while (total < N) {
441 ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
442 offset + total);
443
444 if (ret == -1)
445 return -1;
446 if (ret == 0)
447 return total;
448
449 total += ret;
450 }
451 return (ssize_t)total;
452}
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****************************************************************************/
458
459int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
460{
461 int ret;
462 connection_struct *conn = fsp->conn;
463 uint64_t space_avail;
464 uint64_t bsize,dfree,dsize;
465 NTSTATUS status;
466
467 /*
468 * Actually try and commit the space on disk....
469 */
470
471 DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
472 fsp_str_dbg(fsp), (double)len));
473
474 if (((SMB_OFF_T)len) < 0) {
475 DEBUG(0,("vfs_allocate_file_space: %s negative len "
476 "requested.\n", fsp_str_dbg(fsp)));
477 errno = EINVAL;
478 return -1;
479 }
480
481 status = vfs_stat_fsp(fsp);
482 if (!NT_STATUS_IS_OK(status)) {
483 return -1;
484 }
485
486 if (len == (uint64_t)fsp->fsp_name->st.st_ex_size)
487 return 0;
488
489 if (len < (uint64_t)fsp->fsp_name->st.st_ex_size) {
490 /* Shrink - use ftruncate. */
491
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));
495
496 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
497
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);
501 }
502
503 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
504
505 return ret;
506 }
507
508 if (!lp_strict_allocate(SNUM(fsp->conn)))
509 return 0;
510
511 /* Grow - we need to test if we have enough space. */
512
513 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
514
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);
518
519 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
520
521 if (ret == 0) {
522 /* We changed the allocation size on disk, but not
523 EOF - exactly as required. We're done ! */
524 return 0;
525 }
526
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) {
532 return -1;
533 }
534
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));
539
540 if (len > space_avail) {
541 errno = ENOSPC;
542 return -1;
543 }
544
545 return 0;
546}
547
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****************************************************************************/
553
554int vfs_set_filelen(files_struct *fsp, SMB_OFF_T len)
555{
556 int ret;
557
558 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
559
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);
569 }
570
571 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
572
573 return ret;
574}
575
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****************************************************************************/
583
584#define SPARSE_BUF_WRITE_SIZE (32*1024)
585
586int vfs_slow_fallocate(files_struct *fsp, SMB_OFF_T offset, SMB_OFF_T len)
587{
588 ssize_t pwrite_ret;
589 size_t total = 0;
590
591 if (!sparse_buf) {
592 sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
593 if (!sparse_buf) {
594 errno = ENOMEM;
595 return ENOMEM;
596 }
597 }
598
599 while (total < len) {
600 size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (len - total));
601
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)));
607 return errno;
608 }
609 total += pwrite_ret;
610 }
611
612 return 0;
613}
614
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****************************************************************************/
621
622int vfs_fill_sparse(files_struct *fsp, SMB_OFF_T len)
623{
624 int ret;
625 NTSTATUS status;
626 SMB_OFF_T offset;
627 size_t num_to_write;
628
629 status = vfs_stat_fsp(fsp);
630 if (!NT_STATUS_IS_OK(status)) {
631 return -1;
632 }
633
634 if (len <= fsp->fsp_name->st.st_ex_size) {
635 return 0;
636 }
637
638#ifdef S_ISFIFO
639 if (S_ISFIFO(fsp->fsp_name->st.st_ex_mode)) {
640 return 0;
641 }
642#endif
643
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)));
648
649 contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
650
651 flush_write_cache(fsp, SIZECHANGE_FLUSH);
652
653 offset = fsp->fsp_name->st.st_ex_size;
654 num_to_write = len - fsp->fsp_name->st.st_ex_size;
655
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);
665 if (ret == ENOSPC) {
666 errno = ENOSPC;
667 ret = -1;
668 goto out;
669 }
670 if (ret == 0) {
671 goto out;
672 }
673 DEBUG(10,("vfs_fill_sparse: SMB_VFS_FALLOCATE failed with "
674 "error %d. Falling back to slow manual allocation\n", ret));
675 }
676
677 ret = vfs_slow_fallocate(fsp, offset, num_to_write);
678 if (ret != 0) {
679 errno = ret;
680 ret = -1;
681 }
682
683 out:
684
685 if (ret == 0) {
686 set_filelen_write_cache(fsp, len);
687 }
688
689 contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
690 return ret;
691}
692
693/****************************************************************************
694 Transfer some data (n bytes) between two file_struct's.
695****************************************************************************/
696
697static ssize_t vfs_read_fn(void *file, void *buf, size_t len)
698{
699 struct files_struct *fsp = (struct files_struct *)file;
700
701 return SMB_VFS_READ(fsp, buf, len);
702}
703
704static ssize_t vfs_write_fn(void *file, const void *buf, size_t len)
705{
706 struct files_struct *fsp = (struct files_struct *)file;
707
708 return SMB_VFS_WRITE(fsp, buf, len);
709}
710
711SMB_OFF_T vfs_transfer_file(files_struct *in, files_struct *out, SMB_OFF_T n)
712{
713 return transfer_file_internal((void *)in, (void *)out, n,
714 vfs_read_fn, vfs_write_fn);
715}
716
717/*******************************************************************
718 A vfs_readdir wrapper which just returns the file name.
719********************************************************************/
720
721const char *vfs_readdirname(connection_struct *conn, void *p,
722 SMB_STRUCT_STAT *sbuf, char **talloced)
723{
724 SMB_STRUCT_DIRENT *ptr= NULL;
725 const char *dname;
726 char *translated;
727 NTSTATUS status;
728
729 if (!p)
730 return(NULL);
731
732 ptr = SMB_VFS_READDIR(conn, (DIR *)p, sbuf);
733 if (!ptr)
734 return(NULL);
735
736 dname = ptr->d_name;
737
738
739#ifdef NEXT2
740 if (telldir(p) < 0)
741 return(NULL);
742#endif
743
744#ifdef HAVE_BROKEN_READDIR_NAME
745 /* using /usr/ucb/cc is BAD */
746 dname = dname - 2;
747#endif
748
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)) {
752 *talloced = NULL;
753 return dname;
754 }
755 *talloced = translated;
756 if (!NT_STATUS_IS_OK(status)) {
757 return NULL;
758 }
759 return translated;
760}
761
762/*******************************************************************
763 A wrapper for vfs_chdir().
764********************************************************************/
765
766int vfs_ChDir(connection_struct *conn, const char *path)
767{
768 int res;
769
770 if (!LastDir) {
771 LastDir = SMB_STRDUP("");
772 }
773
774 if (strcsequal(path,"."))
775 return(0);
776
777#ifdef __OS2__
778 if ((*path == '/' || *path == '\\' || (*path && path[1] == ':')) && strcsequal(LastDir,path))
779#else
780 if (*path == '/' && strcsequal(LastDir,path))
781#endif
782 return(0);
783
784 DEBUG(4,("vfs_ChDir to %s\n",path));
785
786 res = SMB_VFS_CHDIR(conn,path);
787 if (!res) {
788 SAFE_FREE(LastDir);
789 LastDir = SMB_STRDUP(path);
790 }
791 return(res);
792}
793
794/*******************************************************************
795 Return the absolute current directory path - given a UNIX pathname.
796 Note that this path is returned in DOS format, not UNIX
797 format. Note this can be called with conn == NULL.
798********************************************************************/
799
800char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
801{
802 char s[PATH_MAX+1];
803 char *result = NULL;
804 DATA_BLOB cache_value;
805 struct file_id key;
806 struct smb_filename *smb_fname_dot = NULL;
807 struct smb_filename *smb_fname_full = NULL;
808 NTSTATUS status;
809
810 *s = 0;
811
812 if (!lp_getwd_cache()) {
813 goto nocache;
814 }
815
816 status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
817 &smb_fname_dot);
818 if (!NT_STATUS_IS_OK(status)) {
819 errno = map_errno_from_nt_status(status);
820 goto out;
821 }
822
823 if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
824 /*
825 * Known to fail for root: the directory may be NFS-mounted
826 * and exported with root_squash (so has no root access).
827 */
828 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
829 "(NFS problem ?)\n", strerror(errno) ));
830 goto nocache;
831 }
832
833 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
834
835 if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
836 data_blob_const(&key, sizeof(key)),
837 &cache_value)) {
838 goto nocache;
839 }
840
841 SMB_ASSERT((cache_value.length > 0)
842 && (cache_value.data[cache_value.length-1] == '\0'));
843
844 status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
845 NULL, NULL, &smb_fname_full);
846 if (!NT_STATUS_IS_OK(status)) {
847 errno = map_errno_from_nt_status(status);
848 goto out;
849 }
850
851 if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
852 (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
853 (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
854 (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
855 /*
856 * Ok, we're done
857 */
858 result = talloc_strdup(ctx, smb_fname_full->base_name);
859 if (result == NULL) {
860 errno = ENOMEM;
861 }
862 goto out;
863 }
864
865 nocache:
866
867 /*
868 * We don't have the information to hand so rely on traditional
869 * methods. The very slow getcwd, which spawns a process on some
870 * systems, or the not quite so bad getwd.
871 */
872
873 if (!SMB_VFS_GETWD(conn,s)) {
874 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
875 strerror(errno)));
876 goto out;
877 }
878
879 if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
880 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
881
882 memcache_add(smbd_memcache(), GETWD_CACHE,
883 data_blob_const(&key, sizeof(key)),
884 data_blob_const(s, strlen(s)+1));
885 }
886
887 result = talloc_strdup(ctx, s);
888 if (result == NULL) {
889 errno = ENOMEM;
890 }
891
892 out:
893 TALLOC_FREE(smb_fname_dot);
894 TALLOC_FREE(smb_fname_full);
895 return result;
896}
897
898/*******************************************************************
899 Reduce a file name, removing .. elements and checking that
900 it is below dir in the heirachy. This uses realpath.
901********************************************************************/
902
903NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
904{
905 char *resolved_name = NULL;
906 bool allow_symlinks = true;
907 bool allow_widelinks = false;
908
909 DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
910
911 resolved_name = SMB_VFS_REALPATH(conn,fname);
912
913 if (!resolved_name) {
914 switch (errno) {
915 case ENOTDIR:
916 DEBUG(3,("check_reduced_name: Component not a "
917 "directory in getting realpath for "
918 "%s\n", fname));
919 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
920 case ENOENT:
921 {
922 TALLOC_CTX *ctx = talloc_tos();
923 char *dir_name = NULL;
924 const char *last_component = NULL;
925 char *new_name = NULL;
926
927 /* Last component didn't exist.
928 Remove it and try and canonicalise
929 the directory name. */
930 if (!parent_dirname(ctx, fname,
931 &dir_name,
932 &last_component)) {
933 return NT_STATUS_NO_MEMORY;
934 }
935
936 resolved_name = SMB_VFS_REALPATH(conn,dir_name);
937 if (!resolved_name) {
938 NTSTATUS status = map_nt_error_from_unix(errno);
939
940 if (errno == ENOENT || errno == ENOTDIR) {
941 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
942 }
943
944 DEBUG(3,("check_reduce_name: "
945 "couldn't get realpath for "
946 "%s (%s)\n",
947 fname,
948 nt_errstr(status)));
949 return status;
950 }
951 new_name = talloc_asprintf(ctx,
952 "%s/%s",
953 resolved_name,
954 last_component);
955 if (!new_name) {
956 return NT_STATUS_NO_MEMORY;
957 }
958 SAFE_FREE(resolved_name);
959 resolved_name = SMB_STRDUP(new_name);
960 if (!resolved_name) {
961 return NT_STATUS_NO_MEMORY;
962 }
963 break;
964 }
965 default:
966 DEBUG(3,("check_reduced_name: couldn't get "
967 "realpath for %s\n", fname));
968 return map_nt_error_from_unix(errno);
969 }
970 }
971
972 DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
973 resolved_name));
974
975#ifdef __OS2__
976 if (*resolved_name != '/' && *resolved_name != '\\' && (strlen(resolved_name) <= 1 || resolved_name[1] != ':')) {
977#else
978 if (*resolved_name != '/') {
979#endif
980 DEBUG(0,("check_reduced_name: realpath doesn't return "
981 "absolute paths !\n"));
982 SAFE_FREE(resolved_name);
983 return NT_STATUS_OBJECT_NAME_INVALID;
984 }
985
986 allow_widelinks = lp_widelinks(SNUM(conn));
987 allow_symlinks = lp_symlinks(SNUM(conn));
988
989 /* Common widelinks and symlinks checks. */
990 if (!allow_widelinks || !allow_symlinks) {
991 const char *conn_rootdir;
992 size_t rootdir_len;
993
994 conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
995 if (conn_rootdir == NULL) {
996 DEBUG(2, ("check_reduced_name: Could not get "
997 "conn_rootdir\n"));
998 SAFE_FREE(resolved_name);
999 return NT_STATUS_ACCESS_DENIED;
1000 }
1001
1002 rootdir_len = strlen(conn_rootdir);
1003 if (strncmp(conn_rootdir, resolved_name,
1004 rootdir_len) != 0) {
1005 DEBUG(2, ("check_reduced_name: Bad access "
1006 "attempt: %s is a symlink outside the "
1007 "share path\n", fname));
1008 DEBUGADD(2, ("conn_rootdir =%s\n", conn_rootdir));
1009 DEBUGADD(2, ("resolved_name=%s\n", resolved_name));
1010 SAFE_FREE(resolved_name);
1011 return NT_STATUS_ACCESS_DENIED;
1012 }
1013
1014 /* Extra checks if all symlinks are disallowed. */
1015 if (!allow_symlinks) {
1016 /* fname can't have changed in resolved_path. */
1017 const char *p = &resolved_name[rootdir_len];
1018
1019 /* *p can be '\0' if fname was "." */
1020 if (*p == '\0' && ISDOT(fname)) {
1021 goto out;
1022 }
1023
1024 if (*p != '/') {
1025 DEBUG(2, ("check_reduced_name: logic error (%c) "
1026 "in resolved_name: %s\n",
1027 *p,
1028 fname));
1029 SAFE_FREE(resolved_name);
1030 return NT_STATUS_ACCESS_DENIED;
1031 }
1032
1033 p++;
1034 if (strcmp(fname, p)!=0) {
1035 DEBUG(2, ("check_reduced_name: Bad access "
1036 "attempt: %s is a symlink\n",
1037 fname));
1038 SAFE_FREE(resolved_name);
1039 return NT_STATUS_ACCESS_DENIED;
1040 }
1041 }
1042 }
1043
1044 out:
1045
1046 DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname,
1047 resolved_name));
1048 SAFE_FREE(resolved_name);
1049 return NT_STATUS_OK;
1050}
1051
1052/**
1053 * XXX: This is temporary and there should be no callers of this once
1054 * smb_filename is plumbed through all path based operations.
1055 */
1056int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1057 SMB_STRUCT_STAT *psbuf)
1058{
1059 struct smb_filename *smb_fname = NULL;
1060 NTSTATUS status;
1061 int ret;
1062
1063 status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1064 &smb_fname);
1065 if (!NT_STATUS_IS_OK(status)) {
1066 errno = map_errno_from_nt_status(status);
1067 return -1;
1068 }
1069
1070 if (lp_posix_pathnames()) {
1071 ret = SMB_VFS_LSTAT(conn, smb_fname);
1072 } else {
1073 ret = SMB_VFS_STAT(conn, smb_fname);
1074 }
1075
1076 if (ret != -1) {
1077 *psbuf = smb_fname->st;
1078 }
1079
1080 TALLOC_FREE(smb_fname);
1081 return ret;
1082}
1083
1084/**
1085 * XXX: This is temporary and there should be no callers of this once
1086 * smb_filename is plumbed through all path based operations.
1087 */
1088int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1089 SMB_STRUCT_STAT *psbuf)
1090{
1091 struct smb_filename *smb_fname = NULL;
1092 NTSTATUS status;
1093 int ret;
1094
1095 status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1096 &smb_fname);
1097 if (!NT_STATUS_IS_OK(status)) {
1098 errno = map_errno_from_nt_status(status);
1099 return -1;
1100 }
1101
1102 ret = SMB_VFS_LSTAT(conn, smb_fname);
1103 if (ret != -1) {
1104 *psbuf = smb_fname->st;
1105 }
1106
1107 TALLOC_FREE(smb_fname);
1108 return ret;
1109}
1110
1111/**
1112 * Ensure LSTAT is called for POSIX paths.
1113 */
1114
1115NTSTATUS vfs_stat_fsp(files_struct *fsp)
1116{
1117 int ret;
1118
1119 if(fsp->fh->fd == -1) {
1120 if (fsp->posix_open) {
1121 ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1122 } else {
1123 ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1124 }
1125 if (ret == -1) {
1126 return map_nt_error_from_unix(errno);
1127 }
1128 } else {
1129 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1130 return map_nt_error_from_unix(errno);
1131 }
1132 }
1133 return NT_STATUS_OK;
1134}
1135
1136/**
1137 * Initialize num_streams and streams, then call VFS op streaminfo
1138 */
1139NTSTATUS vfs_streaminfo(connection_struct *conn,
1140 struct files_struct *fsp,
1141 const char *fname,
1142 TALLOC_CTX *mem_ctx,
1143 unsigned int *num_streams,
1144 struct stream_struct **streams)
1145{
1146 *num_streams = 0;
1147 *streams = NULL;
1148 return SMB_VFS_STREAMINFO(conn, fsp, fname, mem_ctx, num_streams, streams);
1149}
1150
1151/*
1152 generate a file_id from a stat structure
1153 */
1154struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1155{
1156 return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1157}
1158
1159int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1160 const char *service, const char *user)
1161{
1162 VFS_FIND(connect_fn);
1163 return handle->fns->connect_fn(handle, service, user);
1164}
1165
1166void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1167{
1168 VFS_FIND(disconnect);
1169 handle->fns->disconnect(handle);
1170}
1171
1172uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1173 const char *path, bool small_query,
1174 uint64_t *bsize, uint64_t *dfree,
1175 uint64_t *dsize)
1176{
1177 VFS_FIND(disk_free);
1178 return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1179 dsize);
1180}
1181
1182int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1183 enum SMB_QUOTA_TYPE qtype, unid_t id,
1184 SMB_DISK_QUOTA *qt)
1185{
1186 VFS_FIND(get_quota);
1187 return handle->fns->get_quota(handle, qtype, id, qt);
1188}
1189
1190int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1191 enum SMB_QUOTA_TYPE qtype, unid_t id,
1192 SMB_DISK_QUOTA *qt)
1193{
1194 VFS_FIND(set_quota);
1195 return handle->fns->set_quota(handle, qtype, id, qt);
1196}
1197
1198int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1199 struct files_struct *fsp,
1200 struct shadow_copy_data *shadow_copy_data,
1201 bool labels)
1202{
1203 VFS_FIND(get_shadow_copy_data);
1204 return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1205 labels);
1206}
1207int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1208 struct vfs_statvfs_struct *statbuf)
1209{
1210 VFS_FIND(statvfs);
1211 return handle->fns->statvfs(handle, path, statbuf);
1212}
1213
1214uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1215 enum timestamp_set_resolution *p_ts_res)
1216{
1217 VFS_FIND(fs_capabilities);
1218 return handle->fns->fs_capabilities(handle, p_ts_res);
1219}
1220
1221SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1222 const char *fname, const char *mask,
1223 uint32 attributes)
1224{
1225 VFS_FIND(opendir);
1226 return handle->fns->opendir(handle, fname, mask, attributes);
1227}
1228
1229SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1230 struct files_struct *fsp,
1231 const char *mask,
1232 uint32 attributes)
1233{
1234 VFS_FIND(fdopendir);
1235 return handle->fns->fdopendir(handle, fsp, mask, attributes);
1236}
1237
1238SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1239 SMB_STRUCT_DIR *dirp,
1240 SMB_STRUCT_STAT *sbuf)
1241{
1242 VFS_FIND(readdir);
1243 return handle->fns->readdir(handle, dirp, sbuf);
1244}
1245
1246void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1247 SMB_STRUCT_DIR *dirp, long offset)
1248{
1249 VFS_FIND(seekdir);
1250 handle->fns->seekdir(handle, dirp, offset);
1251}
1252
1253long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1254 SMB_STRUCT_DIR *dirp)
1255{
1256 VFS_FIND(telldir);
1257 return handle->fns->telldir(handle, dirp);
1258}
1259
1260void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1261 SMB_STRUCT_DIR *dirp)
1262{
1263 VFS_FIND(rewind_dir);
1264 handle->fns->rewind_dir(handle, dirp);
1265}
1266
1267int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1268 mode_t mode)
1269{
1270 VFS_FIND(mkdir);
1271 return handle->fns->mkdir(handle, path, mode);
1272}
1273
1274int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1275{
1276 VFS_FIND(rmdir);
1277 return handle->fns->rmdir(handle, path);
1278}
1279
1280int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1281 SMB_STRUCT_DIR *dir)
1282{
1283 VFS_FIND(closedir);
1284 return handle->fns->closedir(handle, dir);
1285}
1286
1287void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1288 SMB_STRUCT_DIR *dirp)
1289{
1290 VFS_FIND(init_search_op);
1291 handle->fns->init_search_op(handle, dirp);
1292}
1293
1294int smb_vfs_call_open(struct vfs_handle_struct *handle,
1295 struct smb_filename *smb_fname, struct files_struct *fsp,
1296 int flags, mode_t mode)
1297{
1298 VFS_FIND(open_fn);
1299 return handle->fns->open_fn(handle, smb_fname, fsp, flags, mode);
1300}
1301
1302NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1303 struct smb_request *req,
1304 uint16_t root_dir_fid,
1305 struct smb_filename *smb_fname,
1306 uint32_t access_mask,
1307 uint32_t share_access,
1308 uint32_t create_disposition,
1309 uint32_t create_options,
1310 uint32_t file_attributes,
1311 uint32_t oplock_request,
1312 uint64_t allocation_size,
1313 uint32_t private_flags,
1314 struct security_descriptor *sd,
1315 struct ea_list *ea_list,
1316 files_struct **result,
1317 int *pinfo)
1318{
1319 VFS_FIND(create_file);
1320 return handle->fns->create_file(
1321 handle, req, root_dir_fid, smb_fname, access_mask,
1322 share_access, create_disposition, create_options,
1323 file_attributes, oplock_request, allocation_size,
1324 private_flags, sd, ea_list,
1325 result, pinfo);
1326}
1327
1328int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1329 struct files_struct *fsp)
1330{
1331 VFS_FIND(close_fn);
1332 return handle->fns->close_fn(handle, fsp);
1333}
1334
1335ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1336 struct files_struct *fsp, void *data, size_t n)
1337{
1338 VFS_FIND(vfs_read);
1339 return handle->fns->vfs_read(handle, fsp, data, n);
1340}
1341
1342ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1343 struct files_struct *fsp, void *data, size_t n,
1344 SMB_OFF_T offset)
1345{
1346 VFS_FIND(pread);
1347 return handle->fns->pread(handle, fsp, data, n, offset);
1348}
1349
1350ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1351 struct files_struct *fsp, const void *data,
1352 size_t n)
1353{
1354 VFS_FIND(write);
1355 return handle->fns->write(handle, fsp, data, n);
1356}
1357
1358ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1359 struct files_struct *fsp, const void *data,
1360 size_t n, SMB_OFF_T offset)
1361{
1362 VFS_FIND(pwrite);
1363 return handle->fns->pwrite(handle, fsp, data, n, offset);
1364}
1365
1366SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1367 struct files_struct *fsp, SMB_OFF_T offset,
1368 int whence)
1369{
1370 VFS_FIND(lseek);
1371 return handle->fns->lseek(handle, fsp, offset, whence);
1372}
1373
1374ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1375 files_struct *fromfsp, const DATA_BLOB *header,
1376 SMB_OFF_T offset, size_t count)
1377{
1378 VFS_FIND(sendfile);
1379 return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1380 count);
1381}
1382
1383ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1384 files_struct *tofsp, SMB_OFF_T offset,
1385 size_t count)
1386{
1387 VFS_FIND(recvfile);
1388 return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1389}
1390
1391int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1392 const struct smb_filename *smb_fname_src,
1393 const struct smb_filename *smb_fname_dst)
1394{
1395 VFS_FIND(rename);
1396 return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1397}
1398
1399int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1400 struct files_struct *fsp)
1401{
1402 VFS_FIND(fsync);
1403 return handle->fns->fsync(handle, fsp);
1404}
1405
1406int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1407 struct smb_filename *smb_fname)
1408{
1409 VFS_FIND(stat);
1410 return handle->fns->stat(handle, smb_fname);
1411}
1412
1413int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1414 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1415{
1416 VFS_FIND(fstat);
1417 return handle->fns->fstat(handle, fsp, sbuf);
1418}
1419
1420int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1421 struct smb_filename *smb_filename)
1422{
1423 VFS_FIND(lstat);
1424 return handle->fns->lstat(handle, smb_filename);
1425}
1426
1427uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1428 struct files_struct *fsp,
1429 const SMB_STRUCT_STAT *sbuf)
1430{
1431 VFS_FIND(get_alloc_size);
1432 return handle->fns->get_alloc_size(handle, fsp, sbuf);
1433}
1434
1435int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1436 const struct smb_filename *smb_fname)
1437{
1438 VFS_FIND(unlink);
1439 return handle->fns->unlink(handle, smb_fname);
1440}
1441
1442int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1443 mode_t mode)
1444{
1445 VFS_FIND(chmod);
1446 return handle->fns->chmod(handle, path, mode);
1447}
1448
1449int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1450 struct files_struct *fsp, mode_t mode)
1451{
1452 VFS_FIND(fchmod);
1453 return handle->fns->fchmod(handle, fsp, mode);
1454}
1455
1456int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1457 uid_t uid, gid_t gid)
1458{
1459 VFS_FIND(chown);
1460 return handle->fns->chown(handle, path, uid, gid);
1461}
1462
1463int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1464 struct files_struct *fsp, uid_t uid, gid_t gid)
1465{
1466 VFS_FIND(fchown);
1467 return handle->fns->fchown(handle, fsp, uid, gid);
1468}
1469
1470int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1471 uid_t uid, gid_t gid)
1472{
1473 VFS_FIND(lchown);
1474 return handle->fns->lchown(handle, path, uid, gid);
1475}
1476
1477NTSTATUS vfs_chown_fsp(files_struct *fsp, uid_t uid, gid_t gid)
1478{
1479 int ret;
1480 bool as_root = false;
1481 const char *path;
1482 char *saved_dir = NULL;
1483 char *parent_dir = NULL;
1484 NTSTATUS status;
1485
1486 if (fsp->fh->fd != -1) {
1487 /* Try fchown. */
1488 ret = SMB_VFS_FCHOWN(fsp, uid, gid);
1489 if (ret == 0) {
1490 return NT_STATUS_OK;
1491 }
1492 if (ret == -1 && errno != ENOSYS) {
1493 return map_nt_error_from_unix(errno);
1494 }
1495 }
1496
1497 as_root = (geteuid() == 0);
1498
1499 if (as_root) {
1500 /*
1501 * We are being asked to chown as root. Make
1502 * sure we chdir() into the path to pin it,
1503 * and always act using lchown to ensure we
1504 * don't deref any symbolic links.
1505 */
1506 const char *final_component = NULL;
1507 struct smb_filename local_fname;
1508
1509 saved_dir = vfs_GetWd(talloc_tos(),fsp->conn);
1510 if (!saved_dir) {
1511 status = map_nt_error_from_unix(errno);
1512 DEBUG(0,("vfs_chown_fsp: failed to get "
1513 "current working directory. Error was %s\n",
1514 strerror(errno)));
1515 return status;
1516 }
1517
1518 if (!parent_dirname(talloc_tos(),
1519 fsp->fsp_name->base_name,
1520 &parent_dir,
1521 &final_component)) {
1522 return NT_STATUS_NO_MEMORY;
1523 }
1524
1525 /* cd into the parent dir to pin it. */
1526 ret = vfs_ChDir(fsp->conn, parent_dir);
1527 if (ret == -1) {
1528 return map_nt_error_from_unix(errno);
1529 }
1530
1531 ZERO_STRUCT(local_fname);
1532 local_fname.base_name = CONST_DISCARD(char *,final_component);
1533
1534 /* Must use lstat here. */
1535 ret = SMB_VFS_LSTAT(fsp->conn, &local_fname);
1536 if (ret == -1) {
1537 status = map_nt_error_from_unix(errno);
1538 goto out;
1539 }
1540
1541 /* Ensure it matches the fsp stat. */
1542 if (!check_same_stat(&local_fname.st, &fsp->fsp_name->st)) {
1543 status = NT_STATUS_ACCESS_DENIED;
1544 goto out;
1545 }
1546 path = final_component;
1547 } else {
1548 path = fsp->fsp_name->base_name;
1549 }
1550
1551 if (fsp->posix_open || as_root) {
1552 ret = SMB_VFS_LCHOWN(fsp->conn,
1553 path,
1554 uid, gid);
1555 } else {
1556 ret = SMB_VFS_CHOWN(fsp->conn,
1557 path,
1558 uid, gid);
1559 }
1560
1561 if (ret == 0) {
1562 status = NT_STATUS_OK;
1563 } else {
1564 status = map_nt_error_from_unix(errno);
1565 }
1566
1567 out:
1568
1569 if (as_root) {
1570 vfs_ChDir(fsp->conn,saved_dir);
1571 TALLOC_FREE(saved_dir);
1572 TALLOC_FREE(parent_dir);
1573 }
1574 return status;
1575}
1576
1577int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1578{
1579 VFS_FIND(chdir);
1580 return handle->fns->chdir(handle, path);
1581}
1582
1583char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1584{
1585 VFS_FIND(getwd);
1586 return handle->fns->getwd(handle, buf);
1587}
1588
1589int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1590 const struct smb_filename *smb_fname,
1591 struct smb_file_time *ft)
1592{
1593 VFS_FIND(ntimes);
1594 return handle->fns->ntimes(handle, smb_fname, ft);
1595}
1596
1597int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1598 struct files_struct *fsp, SMB_OFF_T offset)
1599{
1600 VFS_FIND(ftruncate);
1601 return handle->fns->ftruncate(handle, fsp, offset);
1602}
1603
1604int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1605 struct files_struct *fsp,
1606 enum vfs_fallocate_mode mode,
1607 SMB_OFF_T offset,
1608 SMB_OFF_T len)
1609{
1610 VFS_FIND(fallocate);
1611 return handle->fns->fallocate(handle, fsp, mode, offset, len);
1612}
1613
1614int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1615 struct files_struct *fsp, uint32 share_mode,
1616 uint32_t access_mask)
1617{
1618 VFS_FIND(kernel_flock);
1619 return handle->fns->kernel_flock(handle, fsp, share_mode,
1620 access_mask);
1621}
1622
1623int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1624 struct files_struct *fsp, int leasetype)
1625{
1626 VFS_FIND(linux_setlease);
1627 return handle->fns->linux_setlease(handle, fsp, leasetype);
1628}
1629
1630int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1631 const char *newpath)
1632{
1633 VFS_FIND(symlink);
1634 return handle->fns->symlink(handle, oldpath, newpath);
1635}
1636
1637int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1638 const char *path, char *buf, size_t bufsiz)
1639{
1640 VFS_FIND(vfs_readlink);
1641 return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1642}
1643
1644int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1645 const char *newpath)
1646{
1647 VFS_FIND(link);
1648 return handle->fns->link(handle, oldpath, newpath);
1649}
1650
1651int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1652 mode_t mode, SMB_DEV_T dev)
1653{
1654 VFS_FIND(mknod);
1655 return handle->fns->mknod(handle, path, mode, dev);
1656}
1657
1658char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1659{
1660 VFS_FIND(realpath);
1661 return handle->fns->realpath(handle, path);
1662}
1663
1664NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1665 struct sys_notify_context *ctx,
1666 struct notify_entry *e,
1667 void (*callback)(struct sys_notify_context *ctx,
1668 void *private_data,
1669 struct notify_event *ev),
1670 void *private_data, void *handle_p)
1671{
1672 VFS_FIND(notify_watch);
1673 return handle->fns->notify_watch(handle, ctx, e, callback,
1674 private_data, handle_p);
1675}
1676
1677int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1678 unsigned int flags)
1679{
1680 VFS_FIND(chflags);
1681 return handle->fns->chflags(handle, path, flags);
1682}
1683
1684struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1685 const SMB_STRUCT_STAT *sbuf)
1686{
1687 VFS_FIND(file_id_create);
1688 return handle->fns->file_id_create(handle, sbuf);
1689}
1690
1691NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1692 struct files_struct *fsp,
1693 const char *fname,
1694 TALLOC_CTX *mem_ctx,
1695 unsigned int *num_streams,
1696 struct stream_struct **streams)
1697{
1698 VFS_FIND(streaminfo);
1699 return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1700 num_streams, streams);
1701}
1702
1703int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1704 const char *path, const char *name,
1705 TALLOC_CTX *mem_ctx, char **found_name)
1706{
1707 VFS_FIND(get_real_filename);
1708 return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1709 found_name);
1710}
1711
1712const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1713 const char *filename)
1714{
1715 VFS_FIND(connectpath);
1716 return handle->fns->connectpath(handle, filename);
1717}
1718
1719bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1720 struct files_struct *fsp,
1721 struct lock_struct *plock)
1722{
1723 VFS_FIND(strict_lock);
1724 return handle->fns->strict_lock(handle, fsp, plock);
1725}
1726
1727void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1728 struct files_struct *fsp,
1729 struct lock_struct *plock)
1730{
1731 VFS_FIND(strict_unlock);
1732 handle->fns->strict_unlock(handle, fsp, plock);
1733}
1734
1735NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1736 const char *name,
1737 enum vfs_translate_direction direction,
1738 TALLOC_CTX *mem_ctx,
1739 char **mapped_name)
1740{
1741 VFS_FIND(translate_name);
1742 return handle->fns->translate_name(handle, name, direction, mem_ctx,
1743 mapped_name);
1744}
1745
1746NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1747 struct files_struct *fsp,
1748 uint32 security_info,
1749 struct security_descriptor **ppdesc)
1750{
1751 VFS_FIND(fget_nt_acl);
1752 return handle->fns->fget_nt_acl(handle, fsp, security_info,
1753 ppdesc);
1754}
1755
1756NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1757 const char *name,
1758 uint32 security_info,
1759 struct security_descriptor **ppdesc)
1760{
1761 VFS_FIND(get_nt_acl);
1762 return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1763}
1764
1765NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1766 struct files_struct *fsp,
1767 uint32 security_info_sent,
1768 const struct security_descriptor *psd)
1769{
1770 VFS_FIND(fset_nt_acl);
1771 return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1772}
1773
1774int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1775 mode_t mode)
1776{
1777 VFS_FIND(chmod_acl);
1778 return handle->fns->chmod_acl(handle, name, mode);
1779}
1780
1781int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1782 struct files_struct *fsp, mode_t mode)
1783{
1784 VFS_FIND(fchmod_acl);
1785 return handle->fns->fchmod_acl(handle, fsp, mode);
1786}
1787
1788int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1789 SMB_ACL_T theacl, int entry_id,
1790 SMB_ACL_ENTRY_T *entry_p)
1791{
1792 VFS_FIND(sys_acl_get_entry);
1793 return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1794 entry_p);
1795}
1796
1797int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1798 SMB_ACL_ENTRY_T entry_d,
1799 SMB_ACL_TAG_T *tag_type_p)
1800{
1801 VFS_FIND(sys_acl_get_tag_type);
1802 return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1803}
1804
1805int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1806 SMB_ACL_ENTRY_T entry_d,
1807 SMB_ACL_PERMSET_T *permset_p)
1808{
1809 VFS_FIND(sys_acl_get_permset);
1810 return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1811}
1812
1813void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1814 SMB_ACL_ENTRY_T entry_d)
1815{
1816 VFS_FIND(sys_acl_get_qualifier);
1817 return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1818}
1819
1820SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1821 const char *path_p,
1822 SMB_ACL_TYPE_T type)
1823{
1824 VFS_FIND(sys_acl_get_file);
1825 return handle->fns->sys_acl_get_file(handle, path_p, type);
1826}
1827
1828SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1829 struct files_struct *fsp)
1830{
1831 VFS_FIND(sys_acl_get_fd);
1832 return handle->fns->sys_acl_get_fd(handle, fsp);
1833}
1834
1835int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1836 SMB_ACL_PERMSET_T permset)
1837{
1838 VFS_FIND(sys_acl_clear_perms);
1839 return handle->fns->sys_acl_clear_perms(handle, permset);
1840}
1841
1842int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1843 SMB_ACL_PERMSET_T permset,
1844 SMB_ACL_PERM_T perm)
1845{
1846 VFS_FIND(sys_acl_add_perm);
1847 return handle->fns->sys_acl_add_perm(handle, permset, perm);
1848}
1849
1850char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1851 SMB_ACL_T theacl, ssize_t *plen)
1852{
1853 VFS_FIND(sys_acl_to_text);
1854 return handle->fns->sys_acl_to_text(handle, theacl, plen);
1855}
1856
1857SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1858 int count)
1859{
1860 VFS_FIND(sys_acl_init);
1861 return handle->fns->sys_acl_init(handle, count);
1862}
1863
1864int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1865 SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1866{
1867 VFS_FIND(sys_acl_create_entry);
1868 return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1869}
1870
1871int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1872 SMB_ACL_ENTRY_T entry,
1873 SMB_ACL_TAG_T tagtype)
1874{
1875 VFS_FIND(sys_acl_set_tag_type);
1876 return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1877}
1878
1879int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1880 SMB_ACL_ENTRY_T entry, void *qual)
1881{
1882 VFS_FIND(sys_acl_set_qualifier);
1883 return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1884}
1885
1886int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1887 SMB_ACL_ENTRY_T entry,
1888 SMB_ACL_PERMSET_T permset)
1889{
1890 VFS_FIND(sys_acl_set_permset);
1891 return handle->fns->sys_acl_set_permset(handle, entry, permset);
1892}
1893
1894int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1895 SMB_ACL_T theacl)
1896{
1897 VFS_FIND(sys_acl_valid);
1898 return handle->fns->sys_acl_valid(handle, theacl);
1899}
1900
1901int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1902 const char *name, SMB_ACL_TYPE_T acltype,
1903 SMB_ACL_T theacl)
1904{
1905 VFS_FIND(sys_acl_set_file);
1906 return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1907}
1908
1909int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1910 struct files_struct *fsp, SMB_ACL_T theacl)
1911{
1912 VFS_FIND(sys_acl_set_fd);
1913 return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1914}
1915
1916int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1917 const char *path)
1918{
1919 VFS_FIND(sys_acl_delete_def_file);
1920 return handle->fns->sys_acl_delete_def_file(handle, path);
1921}
1922
1923int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1924 SMB_ACL_PERMSET_T permset,
1925 SMB_ACL_PERM_T perm)
1926{
1927 VFS_FIND(sys_acl_get_perm);
1928 return handle->fns->sys_acl_get_perm(handle, permset, perm);
1929}
1930
1931int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1932 char *text)
1933{
1934 VFS_FIND(sys_acl_free_text);
1935 return handle->fns->sys_acl_free_text(handle, text);
1936}
1937
1938int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1939 SMB_ACL_T posix_acl)
1940{
1941 VFS_FIND(sys_acl_free_acl);
1942 return handle->fns->sys_acl_free_acl(handle, posix_acl);
1943}
1944
1945int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1946 void *qualifier, SMB_ACL_TAG_T tagtype)
1947{
1948 VFS_FIND(sys_acl_free_qualifier);
1949 return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1950}
1951
1952ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1953 const char *path, const char *name, void *value,
1954 size_t size)
1955{
1956 VFS_FIND(getxattr);
1957 return handle->fns->getxattr(handle, path, name, value, size);
1958}
1959
1960ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1961 const char *path, const char *name, void *value,
1962 size_t size)
1963{
1964 VFS_FIND(lgetxattr);
1965 return handle->fns->lgetxattr(handle, path, name, value, size);
1966}
1967
1968ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1969 struct files_struct *fsp, const char *name,
1970 void *value, size_t size)
1971{
1972 VFS_FIND(fgetxattr);
1973 return handle->fns->fgetxattr(handle, fsp, name, value, size);
1974}
1975
1976ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1977 const char *path, char *list, size_t size)
1978{
1979 VFS_FIND(listxattr);
1980 return handle->fns->listxattr(handle, path, list, size);
1981}
1982
1983ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1984 const char *path, char *list, size_t size)
1985{
1986 VFS_FIND(llistxattr);
1987 return handle->fns->llistxattr(handle, path, list, size);
1988}
1989
1990ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1991 struct files_struct *fsp, char *list,
1992 size_t size)
1993{
1994 VFS_FIND(flistxattr);
1995 return handle->fns->flistxattr(handle, fsp, list, size);
1996}
1997
1998int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1999 const char *path, const char *name)
2000{
2001 VFS_FIND(removexattr);
2002 return handle->fns->removexattr(handle, path, name);
2003}
2004
2005int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
2006 const char *path, const char *name)
2007{
2008 VFS_FIND(lremovexattr);
2009 return handle->fns->lremovexattr(handle, path, name);
2010}
2011
2012int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
2013 struct files_struct *fsp, const char *name)
2014{
2015 VFS_FIND(fremovexattr);
2016 return handle->fns->fremovexattr(handle, fsp, name);
2017}
2018
2019int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
2020 const char *name, const void *value, size_t size,
2021 int flags)
2022{
2023 VFS_FIND(setxattr);
2024 return handle->fns->setxattr(handle, path, name, value, size, flags);
2025}
2026
2027int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
2028 const char *name, const void *value, size_t size,
2029 int flags)
2030{
2031 VFS_FIND(lsetxattr);
2032 return handle->fns->lsetxattr(handle, path, name, value, size, flags);
2033}
2034
2035int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
2036 struct files_struct *fsp, const char *name,
2037 const void *value, size_t size, int flags)
2038{
2039 VFS_FIND(fsetxattr);
2040 return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
2041}
2042
2043int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
2044 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2045{
2046 VFS_FIND(aio_read);
2047 return handle->fns->aio_read(handle, fsp, aiocb);
2048}
2049
2050int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
2051 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2052{
2053 VFS_FIND(aio_write);
2054 return handle->fns->aio_write(handle, fsp, aiocb);
2055}
2056
2057ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
2058 struct files_struct *fsp,
2059 SMB_STRUCT_AIOCB *aiocb)
2060{
2061 VFS_FIND(aio_return_fn);
2062 return handle->fns->aio_return_fn(handle, fsp, aiocb);
2063}
2064
2065int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
2066 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2067{
2068 VFS_FIND(aio_cancel);
2069 return handle->fns->aio_cancel(handle, fsp, aiocb);
2070}
2071
2072int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
2073 struct files_struct *fsp,
2074 SMB_STRUCT_AIOCB *aiocb)
2075{
2076 VFS_FIND(aio_error_fn);
2077 return handle->fns->aio_error_fn(handle, fsp, aiocb);
2078}
2079
2080int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
2081 struct files_struct *fsp, int op,
2082 SMB_STRUCT_AIOCB *aiocb)
2083{
2084 VFS_FIND(aio_fsync);
2085 return handle->fns->aio_fsync(handle, fsp, op, aiocb);
2086}
2087
2088int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
2089 struct files_struct *fsp,
2090 const SMB_STRUCT_AIOCB * const aiocb[], int n,
2091 const struct timespec *timeout)
2092{
2093 VFS_FIND(aio_suspend);
2094 return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
2095}
2096
2097bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2098 struct files_struct *fsp)
2099{
2100 VFS_FIND(aio_force);
2101 return handle->fns->aio_force(handle, fsp);
2102}
2103
2104bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
2105 const struct smb_filename *fname,
2106 SMB_STRUCT_STAT *sbuf)
2107{
2108 VFS_FIND(is_offline);
2109 return handle->fns->is_offline(handle, fname, sbuf);
2110}
2111
2112int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
2113 const struct smb_filename *fname)
2114{
2115 VFS_FIND(set_offline);
2116 return handle->fns->set_offline(handle, fname);
2117}
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