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VERSION: Bump version up to 3.6.20.
[Samba.git] / source3 / smbd / vfs.c
blob6c56964628a88a1f10f6e1a075fff4fe27f90e57
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
37 static_decl_vfs;
38
39 struct 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
49 static 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
63 NTSTATUS 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
100 static 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
110 bool 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
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))
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
241 void 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
264 void *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
277 void *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
295 bool 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
326 NTSTATUS 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
341 ssize_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
362 ssize_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
388 ssize_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
420 ssize_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
459 int 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
554 int 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
586 int 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
622 int 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
697 static 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
704 static 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
711 SMB_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
721 const 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
766 int 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 if (*path == '/' && strcsequal(LastDir,path))
778 return(0);
779
780 DEBUG(4,("vfs_ChDir to %s\n",path));
781
782 res = SMB_VFS_CHDIR(conn,path);
783 if (!res) {
784 SAFE_FREE(LastDir);
785 LastDir = SMB_STRDUP(path);
786 }
787 return(res);
788 }
789
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 ********************************************************************/
795
796 char *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
797 {
798 char s[PATH_MAX+1];
799 char *result = NULL;
800 DATA_BLOB cache_value;
801 struct file_id key;
802 struct smb_filename *smb_fname_dot = NULL;
803 struct smb_filename *smb_fname_full = NULL;
804 NTSTATUS status;
805
806 *s = 0;
807
808 if (!lp_getwd_cache()) {
809 goto nocache;
810 }
811
812 status = create_synthetic_smb_fname(ctx, ".", NULL, NULL,
813 &smb_fname_dot);
814 if (!NT_STATUS_IS_OK(status)) {
815 errno = map_errno_from_nt_status(status);
816 goto out;
817 }
818
819 if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
820 /*
821 * Known to fail for root: the directory may be NFS-mounted
822 * and exported with root_squash (so has no root access).
823 */
824 DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
825 "(NFS problem ?)\n", strerror(errno) ));
826 goto nocache;
827 }
828
829 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
830
831 if (!memcache_lookup(smbd_memcache(), GETWD_CACHE,
832 data_blob_const(&key, sizeof(key)),
833 &cache_value)) {
834 goto nocache;
835 }
836
837 SMB_ASSERT((cache_value.length > 0)
838 && (cache_value.data[cache_value.length-1] == '\0'));
839
840 status = create_synthetic_smb_fname(ctx, (char *)cache_value.data,
841 NULL, NULL, &smb_fname_full);
842 if (!NT_STATUS_IS_OK(status)) {
843 errno = map_errno_from_nt_status(status);
844 goto out;
845 }
846
847 if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
848 (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
849 (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
850 (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
851 /*
852 * Ok, we're done
853 */
854 result = talloc_strdup(ctx, smb_fname_full->base_name);
855 if (result == NULL) {
856 errno = ENOMEM;
857 }
858 goto out;
859 }
860
861 nocache:
862
863 /*
864 * We don't have the information to hand so rely on traditional
865 * methods. The very slow getcwd, which spawns a process on some
866 * systems, or the not quite so bad getwd.
867 */
868
869 if (!SMB_VFS_GETWD(conn,s)) {
870 DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
871 strerror(errno)));
872 goto out;
873 }
874
875 if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
876 key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
877
878 memcache_add(smbd_memcache(), GETWD_CACHE,
879 data_blob_const(&key, sizeof(key)),
880 data_blob_const(s, strlen(s)+1));
881 }
882
883 result = talloc_strdup(ctx, s);
884 if (result == NULL) {
885 errno = ENOMEM;
886 }
887
888 out:
889 TALLOC_FREE(smb_fname_dot);
890 TALLOC_FREE(smb_fname_full);
891 return result;
892 }
893
894 /*******************************************************************
895 Reduce a file name, removing .. elements and checking that
896 it is below dir in the heirachy. This uses realpath.
897 ********************************************************************/
898
899 NTSTATUS check_reduced_name(connection_struct *conn, const char *fname)
900 {
901 char *resolved_name = NULL;
902 bool allow_symlinks = true;
903 bool allow_widelinks = false;
904
905 DEBUG(3,("check_reduced_name [%s] [%s]\n", fname, conn->connectpath));
906
907 resolved_name = SMB_VFS_REALPATH(conn,fname);
908
909 if (!resolved_name) {
910 switch (errno) {
911 case ENOTDIR:
912 DEBUG(3,("check_reduced_name: Component not a "
913 "directory in getting realpath for "
914 "%s\n", fname));
915 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
916 case ENOENT:
917 {
918 TALLOC_CTX *ctx = talloc_tos();
919 char *dir_name = NULL;
920 const char *last_component = NULL;
921 char *new_name = NULL;
922
923 /* Last component didn't exist.
924 Remove it and try and canonicalise
925 the directory name. */
926 if (!parent_dirname(ctx, fname,
927 &dir_name,
928 &last_component)) {
929 return NT_STATUS_NO_MEMORY;
930 }
931
932 resolved_name = SMB_VFS_REALPATH(conn,dir_name);
933 if (!resolved_name) {
934 NTSTATUS status = map_nt_error_from_unix(errno);
935
936 if (errno == ENOENT || errno == ENOTDIR) {
937 status = NT_STATUS_OBJECT_PATH_NOT_FOUND;
938 }
939
940 DEBUG(3,("check_reduce_name: "
941 "couldn't get realpath for "
942 "%s (%s)\n",
943 fname,
944 nt_errstr(status)));
945 return status;
946 }
947 new_name = talloc_asprintf(ctx,
948 "%s/%s",
949 resolved_name,
950 last_component);
951 if (!new_name) {
952 return NT_STATUS_NO_MEMORY;
953 }
954 SAFE_FREE(resolved_name);
955 resolved_name = SMB_STRDUP(new_name);
956 if (!resolved_name) {
957 return NT_STATUS_NO_MEMORY;
958 }
959 break;
960 }
961 default:
962 DEBUG(3,("check_reduced_name: couldn't get "
963 "realpath for %s\n", fname));
964 return map_nt_error_from_unix(errno);
965 }
966 }
967
968 DEBUG(10,("check_reduced_name realpath [%s] -> [%s]\n", fname,
969 resolved_name));
970
971 if (*resolved_name != '/') {
972 DEBUG(0,("check_reduced_name: realpath doesn't return "
973 "absolute paths !\n"));
974 SAFE_FREE(resolved_name);
975 return NT_STATUS_OBJECT_NAME_INVALID;
976 }
977
978 allow_widelinks = lp_widelinks(SNUM(conn));
979 allow_symlinks = lp_symlinks(SNUM(conn));
980
981 /* Common widelinks and symlinks checks. */
982 if (!allow_widelinks || !allow_symlinks) {
983 const char *conn_rootdir;
984 size_t rootdir_len;
985
986 conn_rootdir = SMB_VFS_CONNECTPATH(conn, fname);
987 if (conn_rootdir == NULL) {
988 DEBUG(2, ("check_reduced_name: Could not get "
989 "conn_rootdir\n"));
990 SAFE_FREE(resolved_name);
991 return NT_STATUS_ACCESS_DENIED;
992 }
993
994 rootdir_len = strlen(conn_rootdir);
995 if (strncmp(conn_rootdir, resolved_name,
996 rootdir_len) != 0) {
997 DEBUG(2, ("check_reduced_name: Bad access "
998 "attempt: %s is a symlink outside the "
999 "share path\n", fname));
1000 DEBUGADD(2, ("conn_rootdir =%s\n", conn_rootdir));
1001 DEBUGADD(2, ("resolved_name=%s\n", resolved_name));
1002 SAFE_FREE(resolved_name);
1003 return NT_STATUS_ACCESS_DENIED;
1004 }
1005
1006 /* Extra checks if all symlinks are disallowed. */
1007 if (!allow_symlinks) {
1008 /* fname can't have changed in resolved_path. */
1009 const char *p = &resolved_name[rootdir_len];
1010
1011 /* *p can be '\0' if fname was "." */
1012 if (*p == '\0' && ISDOT(fname)) {
1013 goto out;
1014 }
1015
1016 if (*p != '/') {
1017 DEBUG(2, ("check_reduced_name: logic error (%c) "
1018 "in resolved_name: %s\n",
1019 *p,
1020 fname));
1021 SAFE_FREE(resolved_name);
1022 return NT_STATUS_ACCESS_DENIED;
1023 }
1024
1025 p++;
1026 if (strcmp(fname, p)!=0) {
1027 DEBUG(2, ("check_reduced_name: Bad access "
1028 "attempt: %s is a symlink\n",
1029 fname));
1030 SAFE_FREE(resolved_name);
1031 return NT_STATUS_ACCESS_DENIED;
1032 }
1033 }
1034 }
1035
1036 out:
1037
1038 DEBUG(3,("check_reduced_name: %s reduced to %s\n", fname,
1039 resolved_name));
1040 SAFE_FREE(resolved_name);
1041 return NT_STATUS_OK;
1042 }
1043
1044 /**
1045 * XXX: This is temporary and there should be no callers of this once
1046 * smb_filename is plumbed through all path based operations.
1047 */
1048 int vfs_stat_smb_fname(struct connection_struct *conn, const char *fname,
1049 SMB_STRUCT_STAT *psbuf)
1050 {
1051 struct smb_filename *smb_fname = NULL;
1052 NTSTATUS status;
1053 int ret;
1054
1055 status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1056 &smb_fname);
1057 if (!NT_STATUS_IS_OK(status)) {
1058 errno = map_errno_from_nt_status(status);
1059 return -1;
1060 }
1061
1062 if (lp_posix_pathnames()) {
1063 ret = SMB_VFS_LSTAT(conn, smb_fname);
1064 } else {
1065 ret = SMB_VFS_STAT(conn, smb_fname);
1066 }
1067
1068 if (ret != -1) {
1069 *psbuf = smb_fname->st;
1070 }
1071
1072 TALLOC_FREE(smb_fname);
1073 return ret;
1074 }
1075
1076 /**
1077 * XXX: This is temporary and there should be no callers of this once
1078 * smb_filename is plumbed through all path based operations.
1079 */
1080 int vfs_lstat_smb_fname(struct connection_struct *conn, const char *fname,
1081 SMB_STRUCT_STAT *psbuf)
1082 {
1083 struct smb_filename *smb_fname = NULL;
1084 NTSTATUS status;
1085 int ret;
1086
1087 status = create_synthetic_smb_fname_split(talloc_tos(), fname, NULL,
1088 &smb_fname);
1089 if (!NT_STATUS_IS_OK(status)) {
1090 errno = map_errno_from_nt_status(status);
1091 return -1;
1092 }
1093
1094 ret = SMB_VFS_LSTAT(conn, smb_fname);
1095 if (ret != -1) {
1096 *psbuf = smb_fname->st;
1097 }
1098
1099 TALLOC_FREE(smb_fname);
1100 return ret;
1101 }
1102
1103 /**
1104 * Ensure LSTAT is called for POSIX paths.
1105 */
1106
1107 NTSTATUS vfs_stat_fsp(files_struct *fsp)
1108 {
1109 int ret;
1110
1111 if(fsp->fh->fd == -1) {
1112 if (fsp->posix_open) {
1113 ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1114 } else {
1115 ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1116 }
1117 if (ret == -1) {
1118 return map_nt_error_from_unix(errno);
1119 }
1120 } else {
1121 if(SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
1122 return map_nt_error_from_unix(errno);
1123 }
1124 }
1125 return NT_STATUS_OK;
1126 }
1127
1128 /**
1129 * Initialize num_streams and streams, then call VFS op streaminfo
1130 */
1131 NTSTATUS vfs_streaminfo(connection_struct *conn,
1132 struct files_struct *fsp,
1133 const char *fname,
1134 TALLOC_CTX *mem_ctx,
1135 unsigned int *num_streams,
1136 struct stream_struct **streams)
1137 {
1138 *num_streams = 0;
1139 *streams = NULL;
1140 return SMB_VFS_STREAMINFO(conn, fsp, fname, mem_ctx, num_streams, streams);
1141 }
1142
1143 /*
1144 generate a file_id from a stat structure
1145 */
1146 struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1147 {
1148 return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1149 }
1150
1151 int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1152 const char *service, const char *user)
1153 {
1154 VFS_FIND(connect_fn);
1155 return handle->fns->connect_fn(handle, service, user);
1156 }
1157
1158 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1159 {
1160 VFS_FIND(disconnect);
1161 handle->fns->disconnect(handle);
1162 }
1163
1164 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1165 const char *path, bool small_query,
1166 uint64_t *bsize, uint64_t *dfree,
1167 uint64_t *dsize)
1168 {
1169 VFS_FIND(disk_free);
1170 return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1171 dsize);
1172 }
1173
1174 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1175 enum SMB_QUOTA_TYPE qtype, unid_t id,
1176 SMB_DISK_QUOTA *qt)
1177 {
1178 VFS_FIND(get_quota);
1179 return handle->fns->get_quota(handle, qtype, id, qt);
1180 }
1181
1182 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1183 enum SMB_QUOTA_TYPE qtype, unid_t id,
1184 SMB_DISK_QUOTA *qt)
1185 {
1186 VFS_FIND(set_quota);
1187 return handle->fns->set_quota(handle, qtype, id, qt);
1188 }
1189
1190 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1191 struct files_struct *fsp,
1192 struct shadow_copy_data *shadow_copy_data,
1193 bool labels)
1194 {
1195 VFS_FIND(get_shadow_copy_data);
1196 return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1197 labels);
1198 }
1199 int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1200 struct vfs_statvfs_struct *statbuf)
1201 {
1202 VFS_FIND(statvfs);
1203 return handle->fns->statvfs(handle, path, statbuf);
1204 }
1205
1206 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1207 enum timestamp_set_resolution *p_ts_res)
1208 {
1209 VFS_FIND(fs_capabilities);
1210 return handle->fns->fs_capabilities(handle, p_ts_res);
1211 }
1212
1213 SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1214 const char *fname, const char *mask,
1215 uint32 attributes)
1216 {
1217 VFS_FIND(opendir);
1218 return handle->fns->opendir(handle, fname, mask, attributes);
1219 }
1220
1221 SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1222 struct files_struct *fsp,
1223 const char *mask,
1224 uint32 attributes)
1225 {
1226 VFS_FIND(fdopendir);
1227 return handle->fns->fdopendir(handle, fsp, mask, attributes);
1228 }
1229
1230 SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1231 SMB_STRUCT_DIR *dirp,
1232 SMB_STRUCT_STAT *sbuf)
1233 {
1234 VFS_FIND(readdir);
1235 return handle->fns->readdir(handle, dirp, sbuf);
1236 }
1237
1238 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1239 SMB_STRUCT_DIR *dirp, long offset)
1240 {
1241 VFS_FIND(seekdir);
1242 handle->fns->seekdir(handle, dirp, offset);
1243 }
1244
1245 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1246 SMB_STRUCT_DIR *dirp)
1247 {
1248 VFS_FIND(telldir);
1249 return handle->fns->telldir(handle, dirp);
1250 }
1251
1252 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1253 SMB_STRUCT_DIR *dirp)
1254 {
1255 VFS_FIND(rewind_dir);
1256 handle->fns->rewind_dir(handle, dirp);
1257 }
1258
1259 int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1260 mode_t mode)
1261 {
1262 VFS_FIND(mkdir);
1263 return handle->fns->mkdir(handle, path, mode);
1264 }
1265
1266 int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1267 {
1268 VFS_FIND(rmdir);
1269 return handle->fns->rmdir(handle, path);
1270 }
1271
1272 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1273 SMB_STRUCT_DIR *dir)
1274 {
1275 VFS_FIND(closedir);
1276 return handle->fns->closedir(handle, dir);
1277 }
1278
1279 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1280 SMB_STRUCT_DIR *dirp)
1281 {
1282 VFS_FIND(init_search_op);
1283 handle->fns->init_search_op(handle, dirp);
1284 }
1285
1286 int smb_vfs_call_open(struct vfs_handle_struct *handle,
1287 struct smb_filename *smb_fname, struct files_struct *fsp,
1288 int flags, mode_t mode)
1289 {
1290 VFS_FIND(open_fn);
1291 return handle->fns->open_fn(handle, smb_fname, fsp, flags, mode);
1292 }
1293
1294 NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1295 struct smb_request *req,
1296 uint16_t root_dir_fid,
1297 struct smb_filename *smb_fname,
1298 uint32_t access_mask,
1299 uint32_t share_access,
1300 uint32_t create_disposition,
1301 uint32_t create_options,
1302 uint32_t file_attributes,
1303 uint32_t oplock_request,
1304 uint64_t allocation_size,
1305 uint32_t private_flags,
1306 struct security_descriptor *sd,
1307 struct ea_list *ea_list,
1308 files_struct **result,
1309 int *pinfo)
1310 {
1311 VFS_FIND(create_file);
1312 return handle->fns->create_file(
1313 handle, req, root_dir_fid, smb_fname, access_mask,
1314 share_access, create_disposition, create_options,
1315 file_attributes, oplock_request, allocation_size,
1316 private_flags, sd, ea_list,
1317 result, pinfo);
1318 }
1319
1320 int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1321 struct files_struct *fsp)
1322 {
1323 VFS_FIND(close_fn);
1324 return handle->fns->close_fn(handle, fsp);
1325 }
1326
1327 ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1328 struct files_struct *fsp, void *data, size_t n)
1329 {
1330 VFS_FIND(vfs_read);
1331 return handle->fns->vfs_read(handle, fsp, data, n);
1332 }
1333
1334 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1335 struct files_struct *fsp, void *data, size_t n,
1336 SMB_OFF_T offset)
1337 {
1338 VFS_FIND(pread);
1339 return handle->fns->pread(handle, fsp, data, n, offset);
1340 }
1341
1342 ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1343 struct files_struct *fsp, const void *data,
1344 size_t n)
1345 {
1346 VFS_FIND(write);
1347 return handle->fns->write(handle, fsp, data, n);
1348 }
1349
1350 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1351 struct files_struct *fsp, const void *data,
1352 size_t n, SMB_OFF_T offset)
1353 {
1354 VFS_FIND(pwrite);
1355 return handle->fns->pwrite(handle, fsp, data, n, offset);
1356 }
1357
1358 SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1359 struct files_struct *fsp, SMB_OFF_T offset,
1360 int whence)
1361 {
1362 VFS_FIND(lseek);
1363 return handle->fns->lseek(handle, fsp, offset, whence);
1364 }
1365
1366 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1367 files_struct *fromfsp, const DATA_BLOB *header,
1368 SMB_OFF_T offset, size_t count)
1369 {
1370 VFS_FIND(sendfile);
1371 return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1372 count);
1373 }
1374
1375 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1376 files_struct *tofsp, SMB_OFF_T offset,
1377 size_t count)
1378 {
1379 VFS_FIND(recvfile);
1380 return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1381 }
1382
1383 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1384 const struct smb_filename *smb_fname_src,
1385 const struct smb_filename *smb_fname_dst)
1386 {
1387 VFS_FIND(rename);
1388 return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1389 }
1390
1391 int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1392 struct files_struct *fsp)
1393 {
1394 VFS_FIND(fsync);
1395 return handle->fns->fsync(handle, fsp);
1396 }
1397
1398 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1399 struct smb_filename *smb_fname)
1400 {
1401 VFS_FIND(stat);
1402 return handle->fns->stat(handle, smb_fname);
1403 }
1404
1405 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1406 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1407 {
1408 VFS_FIND(fstat);
1409 return handle->fns->fstat(handle, fsp, sbuf);
1410 }
1411
1412 int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1413 struct smb_filename *smb_filename)
1414 {
1415 VFS_FIND(lstat);
1416 return handle->fns->lstat(handle, smb_filename);
1417 }
1418
1419 uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1420 struct files_struct *fsp,
1421 const SMB_STRUCT_STAT *sbuf)
1422 {
1423 VFS_FIND(get_alloc_size);
1424 return handle->fns->get_alloc_size(handle, fsp, sbuf);
1425 }
1426
1427 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1428 const struct smb_filename *smb_fname)
1429 {
1430 VFS_FIND(unlink);
1431 return handle->fns->unlink(handle, smb_fname);
1432 }
1433
1434 int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1435 mode_t mode)
1436 {
1437 VFS_FIND(chmod);
1438 return handle->fns->chmod(handle, path, mode);
1439 }
1440
1441 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1442 struct files_struct *fsp, mode_t mode)
1443 {
1444 VFS_FIND(fchmod);
1445 return handle->fns->fchmod(handle, fsp, mode);
1446 }
1447
1448 int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1449 uid_t uid, gid_t gid)
1450 {
1451 VFS_FIND(chown);
1452 return handle->fns->chown(handle, path, uid, gid);
1453 }
1454
1455 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1456 struct files_struct *fsp, uid_t uid, gid_t gid)
1457 {
1458 VFS_FIND(fchown);
1459 return handle->fns->fchown(handle, fsp, uid, gid);
1460 }
1461
1462 int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1463 uid_t uid, gid_t gid)
1464 {
1465 VFS_FIND(lchown);
1466 return handle->fns->lchown(handle, path, uid, gid);
1467 }
1468
1469 NTSTATUS vfs_chown_fsp(files_struct *fsp, uid_t uid, gid_t gid)
1470 {
1471 int ret;
1472 bool as_root = false;
1473 const char *path;
1474 char *saved_dir = NULL;
1475 char *parent_dir = NULL;
1476 NTSTATUS status;
1477
1478 if (fsp->fh->fd != -1) {
1479 /* Try fchown. */
1480 ret = SMB_VFS_FCHOWN(fsp, uid, gid);
1481 if (ret == 0) {
1482 return NT_STATUS_OK;
1483 }
1484 if (ret == -1 && errno != ENOSYS) {
1485 return map_nt_error_from_unix(errno);
1486 }
1487 }
1488
1489 as_root = (geteuid() == 0);
1490
1491 if (as_root) {
1492 /*
1493 * We are being asked to chown as root. Make
1494 * sure we chdir() into the path to pin it,
1495 * and always act using lchown to ensure we
1496 * don't deref any symbolic links.
1497 */
1498 const char *final_component = NULL;
1499 struct smb_filename local_fname;
1500
1501 saved_dir = vfs_GetWd(talloc_tos(),fsp->conn);
1502 if (!saved_dir) {
1503 status = map_nt_error_from_unix(errno);
1504 DEBUG(0,("vfs_chown_fsp: failed to get "
1505 "current working directory. Error was %s\n",
1506 strerror(errno)));
1507 return status;
1508 }
1509
1510 if (!parent_dirname(talloc_tos(),
1511 fsp->fsp_name->base_name,
1512 &parent_dir,
1513 &final_component)) {
1514 return NT_STATUS_NO_MEMORY;
1515 }
1516
1517 /* cd into the parent dir to pin it. */
1518 ret = vfs_ChDir(fsp->conn, parent_dir);
1519 if (ret == -1) {
1520 return map_nt_error_from_unix(errno);
1521 }
1522
1523 ZERO_STRUCT(local_fname);
1524 local_fname.base_name = CONST_DISCARD(char *,final_component);
1525
1526 /* Must use lstat here. */
1527 ret = SMB_VFS_LSTAT(fsp->conn, &local_fname);
1528 if (ret == -1) {
1529 status = map_nt_error_from_unix(errno);
1530 goto out;
1531 }
1532
1533 /* Ensure it matches the fsp stat. */
1534 if (!check_same_stat(&local_fname.st, &fsp->fsp_name->st)) {
1535 status = NT_STATUS_ACCESS_DENIED;
1536 goto out;
1537 }
1538 path = final_component;
1539 } else {
1540 path = fsp->fsp_name->base_name;
1541 }
1542
1543 if (fsp->posix_open || as_root) {
1544 ret = SMB_VFS_LCHOWN(fsp->conn,
1545 path,
1546 uid, gid);
1547 } else {
1548 ret = SMB_VFS_CHOWN(fsp->conn,
1549 path,
1550 uid, gid);
1551 }
1552
1553 if (ret == 0) {
1554 status = NT_STATUS_OK;
1555 } else {
1556 status = map_nt_error_from_unix(errno);
1557 }
1558
1559 out:
1560
1561 if (as_root) {
1562 vfs_ChDir(fsp->conn,saved_dir);
1563 TALLOC_FREE(saved_dir);
1564 TALLOC_FREE(parent_dir);
1565 }
1566 return status;
1567 }
1568
1569 int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1570 {
1571 VFS_FIND(chdir);
1572 return handle->fns->chdir(handle, path);
1573 }
1574
1575 char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1576 {
1577 VFS_FIND(getwd);
1578 return handle->fns->getwd(handle, buf);
1579 }
1580
1581 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1582 const struct smb_filename *smb_fname,
1583 struct smb_file_time *ft)
1584 {
1585 VFS_FIND(ntimes);
1586 return handle->fns->ntimes(handle, smb_fname, ft);
1587 }
1588
1589 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1590 struct files_struct *fsp, SMB_OFF_T offset)
1591 {
1592 VFS_FIND(ftruncate);
1593 return handle->fns->ftruncate(handle, fsp, offset);
1594 }
1595
1596 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1597 struct files_struct *fsp,
1598 enum vfs_fallocate_mode mode,
1599 SMB_OFF_T offset,
1600 SMB_OFF_T len)
1601 {
1602 VFS_FIND(fallocate);
1603 return handle->fns->fallocate(handle, fsp, mode, offset, len);
1604 }
1605
1606 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1607 struct files_struct *fsp, uint32 share_mode,
1608 uint32_t access_mask)
1609 {
1610 VFS_FIND(kernel_flock);
1611 return handle->fns->kernel_flock(handle, fsp, share_mode,
1612 access_mask);
1613 }
1614
1615 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1616 struct files_struct *fsp, int leasetype)
1617 {
1618 VFS_FIND(linux_setlease);
1619 return handle->fns->linux_setlease(handle, fsp, leasetype);
1620 }
1621
1622 int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1623 const char *newpath)
1624 {
1625 VFS_FIND(symlink);
1626 return handle->fns->symlink(handle, oldpath, newpath);
1627 }
1628
1629 int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1630 const char *path, char *buf, size_t bufsiz)
1631 {
1632 VFS_FIND(vfs_readlink);
1633 return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1634 }
1635
1636 int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1637 const char *newpath)
1638 {
1639 VFS_FIND(link);
1640 return handle->fns->link(handle, oldpath, newpath);
1641 }
1642
1643 int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1644 mode_t mode, SMB_DEV_T dev)
1645 {
1646 VFS_FIND(mknod);
1647 return handle->fns->mknod(handle, path, mode, dev);
1648 }
1649
1650 char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1651 {
1652 VFS_FIND(realpath);
1653 return handle->fns->realpath(handle, path);
1654 }
1655
1656 NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1657 struct sys_notify_context *ctx,
1658 struct notify_entry *e,
1659 void (*callback)(struct sys_notify_context *ctx,
1660 void *private_data,
1661 struct notify_event *ev),
1662 void *private_data, void *handle_p)
1663 {
1664 VFS_FIND(notify_watch);
1665 return handle->fns->notify_watch(handle, ctx, e, callback,
1666 private_data, handle_p);
1667 }
1668
1669 int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1670 unsigned int flags)
1671 {
1672 VFS_FIND(chflags);
1673 return handle->fns->chflags(handle, path, flags);
1674 }
1675
1676 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1677 const SMB_STRUCT_STAT *sbuf)
1678 {
1679 VFS_FIND(file_id_create);
1680 return handle->fns->file_id_create(handle, sbuf);
1681 }
1682
1683 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1684 struct files_struct *fsp,
1685 const char *fname,
1686 TALLOC_CTX *mem_ctx,
1687 unsigned int *num_streams,
1688 struct stream_struct **streams)
1689 {
1690 VFS_FIND(streaminfo);
1691 return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1692 num_streams, streams);
1693 }
1694
1695 int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1696 const char *path, const char *name,
1697 TALLOC_CTX *mem_ctx, char **found_name)
1698 {
1699 VFS_FIND(get_real_filename);
1700 return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1701 found_name);
1702 }
1703
1704 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1705 const char *filename)
1706 {
1707 VFS_FIND(connectpath);
1708 return handle->fns->connectpath(handle, filename);
1709 }
1710
1711 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1712 struct files_struct *fsp,
1713 struct lock_struct *plock)
1714 {
1715 VFS_FIND(strict_lock);
1716 return handle->fns->strict_lock(handle, fsp, plock);
1717 }
1718
1719 void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1720 struct files_struct *fsp,
1721 struct lock_struct *plock)
1722 {
1723 VFS_FIND(strict_unlock);
1724 handle->fns->strict_unlock(handle, fsp, plock);
1725 }
1726
1727 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1728 const char *name,
1729 enum vfs_translate_direction direction,
1730 TALLOC_CTX *mem_ctx,
1731 char **mapped_name)
1732 {
1733 VFS_FIND(translate_name);
1734 return handle->fns->translate_name(handle, name, direction, mem_ctx,
1735 mapped_name);
1736 }
1737
1738 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1739 struct files_struct *fsp,
1740 uint32 security_info,
1741 struct security_descriptor **ppdesc)
1742 {
1743 VFS_FIND(fget_nt_acl);
1744 return handle->fns->fget_nt_acl(handle, fsp, security_info,
1745 ppdesc);
1746 }
1747
1748 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1749 const char *name,
1750 uint32 security_info,
1751 struct security_descriptor **ppdesc)
1752 {
1753 VFS_FIND(get_nt_acl);
1754 return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1755 }
1756
1757 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1758 struct files_struct *fsp,
1759 uint32 security_info_sent,
1760 const struct security_descriptor *psd)
1761 {
1762 VFS_FIND(fset_nt_acl);
1763 return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1764 }
1765
1766 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1767 mode_t mode)
1768 {
1769 VFS_FIND(chmod_acl);
1770 return handle->fns->chmod_acl(handle, name, mode);
1771 }
1772
1773 int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1774 struct files_struct *fsp, mode_t mode)
1775 {
1776 VFS_FIND(fchmod_acl);
1777 return handle->fns->fchmod_acl(handle, fsp, mode);
1778 }
1779
1780 int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1781 SMB_ACL_T theacl, int entry_id,
1782 SMB_ACL_ENTRY_T *entry_p)
1783 {
1784 VFS_FIND(sys_acl_get_entry);
1785 return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1786 entry_p);
1787 }
1788
1789 int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1790 SMB_ACL_ENTRY_T entry_d,
1791 SMB_ACL_TAG_T *tag_type_p)
1792 {
1793 VFS_FIND(sys_acl_get_tag_type);
1794 return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1795 }
1796
1797 int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1798 SMB_ACL_ENTRY_T entry_d,
1799 SMB_ACL_PERMSET_T *permset_p)
1800 {
1801 VFS_FIND(sys_acl_get_permset);
1802 return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1803 }
1804
1805 void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1806 SMB_ACL_ENTRY_T entry_d)
1807 {
1808 VFS_FIND(sys_acl_get_qualifier);
1809 return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1810 }
1811
1812 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1813 const char *path_p,
1814 SMB_ACL_TYPE_T type)
1815 {
1816 VFS_FIND(sys_acl_get_file);
1817 return handle->fns->sys_acl_get_file(handle, path_p, type);
1818 }
1819
1820 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1821 struct files_struct *fsp)
1822 {
1823 VFS_FIND(sys_acl_get_fd);
1824 return handle->fns->sys_acl_get_fd(handle, fsp);
1825 }
1826
1827 int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1828 SMB_ACL_PERMSET_T permset)
1829 {
1830 VFS_FIND(sys_acl_clear_perms);
1831 return handle->fns->sys_acl_clear_perms(handle, permset);
1832 }
1833
1834 int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1835 SMB_ACL_PERMSET_T permset,
1836 SMB_ACL_PERM_T perm)
1837 {
1838 VFS_FIND(sys_acl_add_perm);
1839 return handle->fns->sys_acl_add_perm(handle, permset, perm);
1840 }
1841
1842 char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1843 SMB_ACL_T theacl, ssize_t *plen)
1844 {
1845 VFS_FIND(sys_acl_to_text);
1846 return handle->fns->sys_acl_to_text(handle, theacl, plen);
1847 }
1848
1849 SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1850 int count)
1851 {
1852 VFS_FIND(sys_acl_init);
1853 return handle->fns->sys_acl_init(handle, count);
1854 }
1855
1856 int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1857 SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1858 {
1859 VFS_FIND(sys_acl_create_entry);
1860 return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1861 }
1862
1863 int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1864 SMB_ACL_ENTRY_T entry,
1865 SMB_ACL_TAG_T tagtype)
1866 {
1867 VFS_FIND(sys_acl_set_tag_type);
1868 return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1869 }
1870
1871 int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1872 SMB_ACL_ENTRY_T entry, void *qual)
1873 {
1874 VFS_FIND(sys_acl_set_qualifier);
1875 return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1876 }
1877
1878 int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1879 SMB_ACL_ENTRY_T entry,
1880 SMB_ACL_PERMSET_T permset)
1881 {
1882 VFS_FIND(sys_acl_set_permset);
1883 return handle->fns->sys_acl_set_permset(handle, entry, permset);
1884 }
1885
1886 int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1887 SMB_ACL_T theacl)
1888 {
1889 VFS_FIND(sys_acl_valid);
1890 return handle->fns->sys_acl_valid(handle, theacl);
1891 }
1892
1893 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1894 const char *name, SMB_ACL_TYPE_T acltype,
1895 SMB_ACL_T theacl)
1896 {
1897 VFS_FIND(sys_acl_set_file);
1898 return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1899 }
1900
1901 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1902 struct files_struct *fsp, SMB_ACL_T theacl)
1903 {
1904 VFS_FIND(sys_acl_set_fd);
1905 return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1906 }
1907
1908 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1909 const char *path)
1910 {
1911 VFS_FIND(sys_acl_delete_def_file);
1912 return handle->fns->sys_acl_delete_def_file(handle, path);
1913 }
1914
1915 int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1916 SMB_ACL_PERMSET_T permset,
1917 SMB_ACL_PERM_T perm)
1918 {
1919 VFS_FIND(sys_acl_get_perm);
1920 return handle->fns->sys_acl_get_perm(handle, permset, perm);
1921 }
1922
1923 int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1924 char *text)
1925 {
1926 VFS_FIND(sys_acl_free_text);
1927 return handle->fns->sys_acl_free_text(handle, text);
1928 }
1929
1930 int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1931 SMB_ACL_T posix_acl)
1932 {
1933 VFS_FIND(sys_acl_free_acl);
1934 return handle->fns->sys_acl_free_acl(handle, posix_acl);
1935 }
1936
1937 int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1938 void *qualifier, SMB_ACL_TAG_T tagtype)
1939 {
1940 VFS_FIND(sys_acl_free_qualifier);
1941 return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1942 }
1943
1944 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1945 const char *path, const char *name, void *value,
1946 size_t size)
1947 {
1948 VFS_FIND(getxattr);
1949 return handle->fns->getxattr(handle, path, name, value, size);
1950 }
1951
1952 ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1953 const char *path, const char *name, void *value,
1954 size_t size)
1955 {
1956 VFS_FIND(lgetxattr);
1957 return handle->fns->lgetxattr(handle, path, name, value, size);
1958 }
1959
1960 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1961 struct files_struct *fsp, const char *name,
1962 void *value, size_t size)
1963 {
1964 VFS_FIND(fgetxattr);
1965 return handle->fns->fgetxattr(handle, fsp, name, value, size);
1966 }
1967
1968 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1969 const char *path, char *list, size_t size)
1970 {
1971 VFS_FIND(listxattr);
1972 return handle->fns->listxattr(handle, path, list, size);
1973 }
1974
1975 ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1976 const char *path, char *list, size_t size)
1977 {
1978 VFS_FIND(llistxattr);
1979 return handle->fns->llistxattr(handle, path, list, size);
1980 }
1981
1982 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1983 struct files_struct *fsp, char *list,
1984 size_t size)
1985 {
1986 VFS_FIND(flistxattr);
1987 return handle->fns->flistxattr(handle, fsp, list, size);
1988 }
1989
1990 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1991 const char *path, const char *name)
1992 {
1993 VFS_FIND(removexattr);
1994 return handle->fns->removexattr(handle, path, name);
1995 }
1996
1997 int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1998 const char *path, const char *name)
1999 {
2000 VFS_FIND(lremovexattr);
2001 return handle->fns->lremovexattr(handle, path, name);
2002 }
2003
2004 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
2005 struct files_struct *fsp, const char *name)
2006 {
2007 VFS_FIND(fremovexattr);
2008 return handle->fns->fremovexattr(handle, fsp, name);
2009 }
2010
2011 int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
2012 const char *name, const void *value, size_t size,
2013 int flags)
2014 {
2015 VFS_FIND(setxattr);
2016 return handle->fns->setxattr(handle, path, name, value, size, flags);
2017 }
2018
2019 int smb_vfs_call_lsetxattr(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(lsetxattr);
2024 return handle->fns->lsetxattr(handle, path, name, value, size, flags);
2025 }
2026
2027 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
2028 struct files_struct *fsp, const char *name,
2029 const void *value, size_t size, int flags)
2030 {
2031 VFS_FIND(fsetxattr);
2032 return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
2033 }
2034
2035 int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
2036 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2037 {
2038 VFS_FIND(aio_read);
2039 return handle->fns->aio_read(handle, fsp, aiocb);
2040 }
2041
2042 int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
2043 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2044 {
2045 VFS_FIND(aio_write);
2046 return handle->fns->aio_write(handle, fsp, aiocb);
2047 }
2048
2049 ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
2050 struct files_struct *fsp,
2051 SMB_STRUCT_AIOCB *aiocb)
2052 {
2053 VFS_FIND(aio_return_fn);
2054 return handle->fns->aio_return_fn(handle, fsp, aiocb);
2055 }
2056
2057 int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
2058 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2059 {
2060 VFS_FIND(aio_cancel);
2061 return handle->fns->aio_cancel(handle, fsp, aiocb);
2062 }
2063
2064 int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
2065 struct files_struct *fsp,
2066 SMB_STRUCT_AIOCB *aiocb)
2067 {
2068 VFS_FIND(aio_error_fn);
2069 return handle->fns->aio_error_fn(handle, fsp, aiocb);
2070 }
2071
2072 int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
2073 struct files_struct *fsp, int op,
2074 SMB_STRUCT_AIOCB *aiocb)
2075 {
2076 VFS_FIND(aio_fsync);
2077 return handle->fns->aio_fsync(handle, fsp, op, aiocb);
2078 }
2079
2080 int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
2081 struct files_struct *fsp,
2082 const SMB_STRUCT_AIOCB * const aiocb[], int n,
2083 const struct timespec *timeout)
2084 {
2085 VFS_FIND(aio_suspend);
2086 return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
2087 }
2088
2089 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2090 struct files_struct *fsp)
2091 {
2092 VFS_FIND(aio_force);
2093 return handle->fns->aio_force(handle, fsp);
2094 }
2095
2096 bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
2097 const struct smb_filename *fname,
2098 SMB_STRUCT_STAT *sbuf)
2099 {
2100 VFS_FIND(is_offline);
2101 return handle->fns->is_offline(handle, fname, sbuf);
2102 }
2103
2104 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
2105 const struct smb_filename *fname)
2106 {
2107 VFS_FIND(set_offline);
2108 return handle->fns->set_offline(handle, fname);
2109 }
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