source: trunk/server/source3/smbd/vfs.c@ 745

Last change on this file since 745 was 745, checked in by Silvan Scherrer, 13 years ago

Samba Server: updated trunk to 3.6.0
File size: 55.9 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 generate a file_id from a stat structure
1138 */
1139struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1140{
1141 return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1142}
1143
1144int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1145 const char *service, const char *user)
1146{
1147 VFS_FIND(connect_fn);
1148 return handle->fns->connect_fn(handle, service, user);
1149}
1150
1151void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1152{
1153 VFS_FIND(disconnect);
1154 handle->fns->disconnect(handle);
1155}
1156
1157uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1158 const char *path, bool small_query,
1159 uint64_t *bsize, uint64_t *dfree,
1160 uint64_t *dsize)
1161{
1162 VFS_FIND(disk_free);
1163 return handle->fns->disk_free(handle, path, small_query, bsize, dfree,
1164 dsize);
1165}
1166
1167int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1168 enum SMB_QUOTA_TYPE qtype, unid_t id,
1169 SMB_DISK_QUOTA *qt)
1170{
1171 VFS_FIND(get_quota);
1172 return handle->fns->get_quota(handle, qtype, id, qt);
1173}
1174
1175int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1176 enum SMB_QUOTA_TYPE qtype, unid_t id,
1177 SMB_DISK_QUOTA *qt)
1178{
1179 VFS_FIND(set_quota);
1180 return handle->fns->set_quota(handle, qtype, id, qt);
1181}
1182
1183int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1184 struct files_struct *fsp,
1185 struct shadow_copy_data *shadow_copy_data,
1186 bool labels)
1187{
1188 VFS_FIND(get_shadow_copy_data);
1189 return handle->fns->get_shadow_copy_data(handle, fsp, shadow_copy_data,
1190 labels);
1191}
1192int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
1193 struct vfs_statvfs_struct *statbuf)
1194{
1195 VFS_FIND(statvfs);
1196 return handle->fns->statvfs(handle, path, statbuf);
1197}
1198
1199uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1200 enum timestamp_set_resolution *p_ts_res)
1201{
1202 VFS_FIND(fs_capabilities);
1203 return handle->fns->fs_capabilities(handle, p_ts_res);
1204}
1205
1206SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
1207 const char *fname, const char *mask,
1208 uint32 attributes)
1209{
1210 VFS_FIND(opendir);
1211 return handle->fns->opendir(handle, fname, mask, attributes);
1212}
1213
1214SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1215 struct files_struct *fsp,
1216 const char *mask,
1217 uint32 attributes)
1218{
1219 VFS_FIND(fdopendir);
1220 return handle->fns->fdopendir(handle, fsp, mask, attributes);
1221}
1222
1223SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1224 SMB_STRUCT_DIR *dirp,
1225 SMB_STRUCT_STAT *sbuf)
1226{
1227 VFS_FIND(readdir);
1228 return handle->fns->readdir(handle, dirp, sbuf);
1229}
1230
1231void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1232 SMB_STRUCT_DIR *dirp, long offset)
1233{
1234 VFS_FIND(seekdir);
1235 handle->fns->seekdir(handle, dirp, offset);
1236}
1237
1238long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1239 SMB_STRUCT_DIR *dirp)
1240{
1241 VFS_FIND(telldir);
1242 return handle->fns->telldir(handle, dirp);
1243}
1244
1245void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1246 SMB_STRUCT_DIR *dirp)
1247{
1248 VFS_FIND(rewind_dir);
1249 handle->fns->rewind_dir(handle, dirp);
1250}
1251
1252int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
1253 mode_t mode)
1254{
1255 VFS_FIND(mkdir);
1256 return handle->fns->mkdir(handle, path, mode);
1257}
1258
1259int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path)
1260{
1261 VFS_FIND(rmdir);
1262 return handle->fns->rmdir(handle, path);
1263}
1264
1265int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1266 SMB_STRUCT_DIR *dir)
1267{
1268 VFS_FIND(closedir);
1269 return handle->fns->closedir(handle, dir);
1270}
1271
1272void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
1273 SMB_STRUCT_DIR *dirp)
1274{
1275 VFS_FIND(init_search_op);
1276 handle->fns->init_search_op(handle, dirp);
1277}
1278
1279int smb_vfs_call_open(struct vfs_handle_struct *handle,
1280 struct smb_filename *smb_fname, struct files_struct *fsp,
1281 int flags, mode_t mode)
1282{
1283 VFS_FIND(open_fn);
1284 return handle->fns->open_fn(handle, smb_fname, fsp, flags, mode);
1285}
1286
1287NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1288 struct smb_request *req,
1289 uint16_t root_dir_fid,
1290 struct smb_filename *smb_fname,
1291 uint32_t access_mask,
1292 uint32_t share_access,
1293 uint32_t create_disposition,
1294 uint32_t create_options,
1295 uint32_t file_attributes,
1296 uint32_t oplock_request,
1297 uint64_t allocation_size,
1298 uint32_t private_flags,
1299 struct security_descriptor *sd,
1300 struct ea_list *ea_list,
1301 files_struct **result,
1302 int *pinfo)
1303{
1304 VFS_FIND(create_file);
1305 return handle->fns->create_file(
1306 handle, req, root_dir_fid, smb_fname, access_mask,
1307 share_access, create_disposition, create_options,
1308 file_attributes, oplock_request, allocation_size,
1309 private_flags, sd, ea_list,
1310 result, pinfo);
1311}
1312
1313int smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
1314 struct files_struct *fsp)
1315{
1316 VFS_FIND(close_fn);
1317 return handle->fns->close_fn(handle, fsp);
1318}
1319
1320ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
1321 struct files_struct *fsp, void *data, size_t n)
1322{
1323 VFS_FIND(vfs_read);
1324 return handle->fns->vfs_read(handle, fsp, data, n);
1325}
1326
1327ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1328 struct files_struct *fsp, void *data, size_t n,
1329 SMB_OFF_T offset)
1330{
1331 VFS_FIND(pread);
1332 return handle->fns->pread(handle, fsp, data, n, offset);
1333}
1334
1335ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
1336 struct files_struct *fsp, const void *data,
1337 size_t n)
1338{
1339 VFS_FIND(write);
1340 return handle->fns->write(handle, fsp, data, n);
1341}
1342
1343ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1344 struct files_struct *fsp, const void *data,
1345 size_t n, SMB_OFF_T offset)
1346{
1347 VFS_FIND(pwrite);
1348 return handle->fns->pwrite(handle, fsp, data, n, offset);
1349}
1350
1351SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1352 struct files_struct *fsp, SMB_OFF_T offset,
1353 int whence)
1354{
1355 VFS_FIND(lseek);
1356 return handle->fns->lseek(handle, fsp, offset, whence);
1357}
1358
1359ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1360 files_struct *fromfsp, const DATA_BLOB *header,
1361 SMB_OFF_T offset, size_t count)
1362{
1363 VFS_FIND(sendfile);
1364 return handle->fns->sendfile(handle, tofd, fromfsp, header, offset,
1365 count);
1366}
1367
1368ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1369 files_struct *tofsp, SMB_OFF_T offset,
1370 size_t count)
1371{
1372 VFS_FIND(recvfile);
1373 return handle->fns->recvfile(handle, fromfd, tofsp, offset, count);
1374}
1375
1376int smb_vfs_call_rename(struct vfs_handle_struct *handle,
1377 const struct smb_filename *smb_fname_src,
1378 const struct smb_filename *smb_fname_dst)
1379{
1380 VFS_FIND(rename);
1381 return handle->fns->rename(handle, smb_fname_src, smb_fname_dst);
1382}
1383
1384int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
1385 struct files_struct *fsp)
1386{
1387 VFS_FIND(fsync);
1388 return handle->fns->fsync(handle, fsp);
1389}
1390
1391int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1392 struct smb_filename *smb_fname)
1393{
1394 VFS_FIND(stat);
1395 return handle->fns->stat(handle, smb_fname);
1396}
1397
1398int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1399 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1400{
1401 VFS_FIND(fstat);
1402 return handle->fns->fstat(handle, fsp, sbuf);
1403}
1404
1405int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1406 struct smb_filename *smb_filename)
1407{
1408 VFS_FIND(lstat);
1409 return handle->fns->lstat(handle, smb_filename);
1410}
1411
1412uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1413 struct files_struct *fsp,
1414 const SMB_STRUCT_STAT *sbuf)
1415{
1416 VFS_FIND(get_alloc_size);
1417 return handle->fns->get_alloc_size(handle, fsp, sbuf);
1418}
1419
1420int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
1421 const struct smb_filename *smb_fname)
1422{
1423 VFS_FIND(unlink);
1424 return handle->fns->unlink(handle, smb_fname);
1425}
1426
1427int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
1428 mode_t mode)
1429{
1430 VFS_FIND(chmod);
1431 return handle->fns->chmod(handle, path, mode);
1432}
1433
1434int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1435 struct files_struct *fsp, mode_t mode)
1436{
1437 VFS_FIND(fchmod);
1438 return handle->fns->fchmod(handle, fsp, mode);
1439}
1440
1441int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
1442 uid_t uid, gid_t gid)
1443{
1444 VFS_FIND(chown);
1445 return handle->fns->chown(handle, path, uid, gid);
1446}
1447
1448int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1449 struct files_struct *fsp, uid_t uid, gid_t gid)
1450{
1451 VFS_FIND(fchown);
1452 return handle->fns->fchown(handle, fsp, uid, gid);
1453}
1454
1455int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
1456 uid_t uid, gid_t gid)
1457{
1458 VFS_FIND(lchown);
1459 return handle->fns->lchown(handle, path, uid, gid);
1460}
1461
1462NTSTATUS vfs_chown_fsp(files_struct *fsp, uid_t uid, gid_t gid)
1463{
1464 int ret;
1465 bool as_root = false;
1466 const char *path;
1467 char *saved_dir = NULL;
1468 char *parent_dir = NULL;
1469 NTSTATUS status;
1470
1471 if (fsp->fh->fd != -1) {
1472 /* Try fchown. */
1473 ret = SMB_VFS_FCHOWN(fsp, uid, gid);
1474 if (ret == 0) {
1475 return NT_STATUS_OK;
1476 }
1477 if (ret == -1 && errno != ENOSYS) {
1478 return map_nt_error_from_unix(errno);
1479 }
1480 }
1481
1482 as_root = (geteuid() == 0);
1483
1484 if (as_root) {
1485 /*
1486 * We are being asked to chown as root. Make
1487 * sure we chdir() into the path to pin it,
1488 * and always act using lchown to ensure we
1489 * don't deref any symbolic links.
1490 */
1491 const char *final_component = NULL;
1492 struct smb_filename local_fname;
1493
1494 saved_dir = vfs_GetWd(talloc_tos(),fsp->conn);
1495 if (!saved_dir) {
1496 status = map_nt_error_from_unix(errno);
1497 DEBUG(0,("vfs_chown_fsp: failed to get "
1498 "current working directory. Error was %s\n",
1499 strerror(errno)));
1500 return status;
1501 }
1502
1503 if (!parent_dirname(talloc_tos(),
1504 fsp->fsp_name->base_name,
1505 &parent_dir,
1506 &final_component)) {
1507 return NT_STATUS_NO_MEMORY;
1508 }
1509
1510 /* cd into the parent dir to pin it. */
1511 ret = SMB_VFS_CHDIR(fsp->conn, parent_dir);
1512 if (ret == -1) {
1513 return map_nt_error_from_unix(errno);
1514 }
1515
1516 ZERO_STRUCT(local_fname);
1517 local_fname.base_name = CONST_DISCARD(char *,final_component);
1518
1519 /* Must use lstat here. */
1520 ret = SMB_VFS_LSTAT(fsp->conn, &local_fname);
1521 if (ret == -1) {
1522 return map_nt_error_from_unix(errno);
1523 }
1524
1525 /* Ensure it matches the fsp stat. */
1526 if (!check_same_stat(&local_fname.st, &fsp->fsp_name->st)) {
1527 return NT_STATUS_ACCESS_DENIED;
1528 }
1529 path = final_component;
1530 } else {
1531 path = fsp->fsp_name->base_name;
1532 }
1533
1534 if (fsp->posix_open || as_root) {
1535 ret = SMB_VFS_LCHOWN(fsp->conn,
1536 path,
1537 uid, gid);
1538 } else {
1539 ret = SMB_VFS_CHOWN(fsp->conn,
1540 path,
1541 uid, gid);
1542 }
1543
1544 if (ret == 0) {
1545 status = NT_STATUS_OK;
1546 } else {
1547 status = map_nt_error_from_unix(errno);
1548 }
1549
1550 if (as_root) {
1551 vfs_ChDir(fsp->conn,saved_dir);
1552 TALLOC_FREE(saved_dir);
1553 TALLOC_FREE(parent_dir);
1554 }
1555 return status;
1556}
1557
1558int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path)
1559{
1560 VFS_FIND(chdir);
1561 return handle->fns->chdir(handle, path);
1562}
1563
1564char *smb_vfs_call_getwd(struct vfs_handle_struct *handle, char *buf)
1565{
1566 VFS_FIND(getwd);
1567 return handle->fns->getwd(handle, buf);
1568}
1569
1570int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
1571 const struct smb_filename *smb_fname,
1572 struct smb_file_time *ft)
1573{
1574 VFS_FIND(ntimes);
1575 return handle->fns->ntimes(handle, smb_fname, ft);
1576}
1577
1578int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1579 struct files_struct *fsp, SMB_OFF_T offset)
1580{
1581 VFS_FIND(ftruncate);
1582 return handle->fns->ftruncate(handle, fsp, offset);
1583}
1584
1585int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1586 struct files_struct *fsp,
1587 enum vfs_fallocate_mode mode,
1588 SMB_OFF_T offset,
1589 SMB_OFF_T len)
1590{
1591 VFS_FIND(fallocate);
1592 return handle->fns->fallocate(handle, fsp, mode, offset, len);
1593}
1594
1595int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
1596 struct files_struct *fsp, uint32 share_mode,
1597 uint32_t access_mask)
1598{
1599 VFS_FIND(kernel_flock);
1600 return handle->fns->kernel_flock(handle, fsp, share_mode,
1601 access_mask);
1602}
1603
1604int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1605 struct files_struct *fsp, int leasetype)
1606{
1607 VFS_FIND(linux_setlease);
1608 return handle->fns->linux_setlease(handle, fsp, leasetype);
1609}
1610
1611int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
1612 const char *newpath)
1613{
1614 VFS_FIND(symlink);
1615 return handle->fns->symlink(handle, oldpath, newpath);
1616}
1617
1618int smb_vfs_call_vfs_readlink(struct vfs_handle_struct *handle,
1619 const char *path, char *buf, size_t bufsiz)
1620{
1621 VFS_FIND(vfs_readlink);
1622 return handle->fns->vfs_readlink(handle, path, buf, bufsiz);
1623}
1624
1625int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
1626 const char *newpath)
1627{
1628 VFS_FIND(link);
1629 return handle->fns->link(handle, oldpath, newpath);
1630}
1631
1632int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
1633 mode_t mode, SMB_DEV_T dev)
1634{
1635 VFS_FIND(mknod);
1636 return handle->fns->mknod(handle, path, mode, dev);
1637}
1638
1639char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path)
1640{
1641 VFS_FIND(realpath);
1642 return handle->fns->realpath(handle, path);
1643}
1644
1645NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
1646 struct sys_notify_context *ctx,
1647 struct notify_entry *e,
1648 void (*callback)(struct sys_notify_context *ctx,
1649 void *private_data,
1650 struct notify_event *ev),
1651 void *private_data, void *handle_p)
1652{
1653 VFS_FIND(notify_watch);
1654 return handle->fns->notify_watch(handle, ctx, e, callback,
1655 private_data, handle_p);
1656}
1657
1658int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
1659 unsigned int flags)
1660{
1661 VFS_FIND(chflags);
1662 return handle->fns->chflags(handle, path, flags);
1663}
1664
1665struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
1666 const SMB_STRUCT_STAT *sbuf)
1667{
1668 VFS_FIND(file_id_create);
1669 return handle->fns->file_id_create(handle, sbuf);
1670}
1671
1672NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
1673 struct files_struct *fsp,
1674 const char *fname,
1675 TALLOC_CTX *mem_ctx,
1676 unsigned int *num_streams,
1677 struct stream_struct **streams)
1678{
1679 VFS_FIND(streaminfo);
1680 return handle->fns->streaminfo(handle, fsp, fname, mem_ctx,
1681 num_streams, streams);
1682}
1683
1684int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
1685 const char *path, const char *name,
1686 TALLOC_CTX *mem_ctx, char **found_name)
1687{
1688 VFS_FIND(get_real_filename);
1689 return handle->fns->get_real_filename(handle, path, name, mem_ctx,
1690 found_name);
1691}
1692
1693const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
1694 const char *filename)
1695{
1696 VFS_FIND(connectpath);
1697 return handle->fns->connectpath(handle, filename);
1698}
1699
1700bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
1701 struct files_struct *fsp,
1702 struct lock_struct *plock)
1703{
1704 VFS_FIND(strict_lock);
1705 return handle->fns->strict_lock(handle, fsp, plock);
1706}
1707
1708void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
1709 struct files_struct *fsp,
1710 struct lock_struct *plock)
1711{
1712 VFS_FIND(strict_unlock);
1713 handle->fns->strict_unlock(handle, fsp, plock);
1714}
1715
1716NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
1717 const char *name,
1718 enum vfs_translate_direction direction,
1719 TALLOC_CTX *mem_ctx,
1720 char **mapped_name)
1721{
1722 VFS_FIND(translate_name);
1723 return handle->fns->translate_name(handle, name, direction, mem_ctx,
1724 mapped_name);
1725}
1726
1727NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
1728 struct files_struct *fsp,
1729 uint32 security_info,
1730 struct security_descriptor **ppdesc)
1731{
1732 VFS_FIND(fget_nt_acl);
1733 return handle->fns->fget_nt_acl(handle, fsp, security_info,
1734 ppdesc);
1735}
1736
1737NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
1738 const char *name,
1739 uint32 security_info,
1740 struct security_descriptor **ppdesc)
1741{
1742 VFS_FIND(get_nt_acl);
1743 return handle->fns->get_nt_acl(handle, name, security_info, ppdesc);
1744}
1745
1746NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
1747 struct files_struct *fsp,
1748 uint32 security_info_sent,
1749 const struct security_descriptor *psd)
1750{
1751 VFS_FIND(fset_nt_acl);
1752 return handle->fns->fset_nt_acl(handle, fsp, security_info_sent, psd);
1753}
1754
1755int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
1756 mode_t mode)
1757{
1758 VFS_FIND(chmod_acl);
1759 return handle->fns->chmod_acl(handle, name, mode);
1760}
1761
1762int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
1763 struct files_struct *fsp, mode_t mode)
1764{
1765 VFS_FIND(fchmod_acl);
1766 return handle->fns->fchmod_acl(handle, fsp, mode);
1767}
1768
1769int smb_vfs_call_sys_acl_get_entry(struct vfs_handle_struct *handle,
1770 SMB_ACL_T theacl, int entry_id,
1771 SMB_ACL_ENTRY_T *entry_p)
1772{
1773 VFS_FIND(sys_acl_get_entry);
1774 return handle->fns->sys_acl_get_entry(handle, theacl, entry_id,
1775 entry_p);
1776}
1777
1778int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
1779 SMB_ACL_ENTRY_T entry_d,
1780 SMB_ACL_TAG_T *tag_type_p)
1781{
1782 VFS_FIND(sys_acl_get_tag_type);
1783 return handle->fns->sys_acl_get_tag_type(handle, entry_d, tag_type_p);
1784}
1785
1786int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
1787 SMB_ACL_ENTRY_T entry_d,
1788 SMB_ACL_PERMSET_T *permset_p)
1789{
1790 VFS_FIND(sys_acl_get_permset);
1791 return handle->fns->sys_acl_get_permset(handle, entry_d, permset_p);
1792}
1793
1794void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
1795 SMB_ACL_ENTRY_T entry_d)
1796{
1797 VFS_FIND(sys_acl_get_qualifier);
1798 return handle->fns->sys_acl_get_qualifier(handle, entry_d);
1799}
1800
1801SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
1802 const char *path_p,
1803 SMB_ACL_TYPE_T type)
1804{
1805 VFS_FIND(sys_acl_get_file);
1806 return handle->fns->sys_acl_get_file(handle, path_p, type);
1807}
1808
1809SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
1810 struct files_struct *fsp)
1811{
1812 VFS_FIND(sys_acl_get_fd);
1813 return handle->fns->sys_acl_get_fd(handle, fsp);
1814}
1815
1816int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
1817 SMB_ACL_PERMSET_T permset)
1818{
1819 VFS_FIND(sys_acl_clear_perms);
1820 return handle->fns->sys_acl_clear_perms(handle, permset);
1821}
1822
1823int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
1824 SMB_ACL_PERMSET_T permset,
1825 SMB_ACL_PERM_T perm)
1826{
1827 VFS_FIND(sys_acl_add_perm);
1828 return handle->fns->sys_acl_add_perm(handle, permset, perm);
1829}
1830
1831char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
1832 SMB_ACL_T theacl, ssize_t *plen)
1833{
1834 VFS_FIND(sys_acl_to_text);
1835 return handle->fns->sys_acl_to_text(handle, theacl, plen);
1836}
1837
1838SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
1839 int count)
1840{
1841 VFS_FIND(sys_acl_init);
1842 return handle->fns->sys_acl_init(handle, count);
1843}
1844
1845int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
1846 SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1847{
1848 VFS_FIND(sys_acl_create_entry);
1849 return handle->fns->sys_acl_create_entry(handle, pacl, pentry);
1850}
1851
1852int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
1853 SMB_ACL_ENTRY_T entry,
1854 SMB_ACL_TAG_T tagtype)
1855{
1856 VFS_FIND(sys_acl_set_tag_type);
1857 return handle->fns->sys_acl_set_tag_type(handle, entry, tagtype);
1858}
1859
1860int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
1861 SMB_ACL_ENTRY_T entry, void *qual)
1862{
1863 VFS_FIND(sys_acl_set_qualifier);
1864 return handle->fns->sys_acl_set_qualifier(handle, entry, qual);
1865}
1866
1867int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
1868 SMB_ACL_ENTRY_T entry,
1869 SMB_ACL_PERMSET_T permset)
1870{
1871 VFS_FIND(sys_acl_set_permset);
1872 return handle->fns->sys_acl_set_permset(handle, entry, permset);
1873}
1874
1875int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
1876 SMB_ACL_T theacl)
1877{
1878 VFS_FIND(sys_acl_valid);
1879 return handle->fns->sys_acl_valid(handle, theacl);
1880}
1881
1882int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
1883 const char *name, SMB_ACL_TYPE_T acltype,
1884 SMB_ACL_T theacl)
1885{
1886 VFS_FIND(sys_acl_set_file);
1887 return handle->fns->sys_acl_set_file(handle, name, acltype, theacl);
1888}
1889
1890int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
1891 struct files_struct *fsp, SMB_ACL_T theacl)
1892{
1893 VFS_FIND(sys_acl_set_fd);
1894 return handle->fns->sys_acl_set_fd(handle, fsp, theacl);
1895}
1896
1897int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1898 const char *path)
1899{
1900 VFS_FIND(sys_acl_delete_def_file);
1901 return handle->fns->sys_acl_delete_def_file(handle, path);
1902}
1903
1904int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
1905 SMB_ACL_PERMSET_T permset,
1906 SMB_ACL_PERM_T perm)
1907{
1908 VFS_FIND(sys_acl_get_perm);
1909 return handle->fns->sys_acl_get_perm(handle, permset, perm);
1910}
1911
1912int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
1913 char *text)
1914{
1915 VFS_FIND(sys_acl_free_text);
1916 return handle->fns->sys_acl_free_text(handle, text);
1917}
1918
1919int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
1920 SMB_ACL_T posix_acl)
1921{
1922 VFS_FIND(sys_acl_free_acl);
1923 return handle->fns->sys_acl_free_acl(handle, posix_acl);
1924}
1925
1926int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
1927 void *qualifier, SMB_ACL_TAG_T tagtype)
1928{
1929 VFS_FIND(sys_acl_free_qualifier);
1930 return handle->fns->sys_acl_free_qualifier(handle, qualifier, tagtype);
1931}
1932
1933ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
1934 const char *path, const char *name, void *value,
1935 size_t size)
1936{
1937 VFS_FIND(getxattr);
1938 return handle->fns->getxattr(handle, path, name, value, size);
1939}
1940
1941ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
1942 const char *path, const char *name, void *value,
1943 size_t size)
1944{
1945 VFS_FIND(lgetxattr);
1946 return handle->fns->lgetxattr(handle, path, name, value, size);
1947}
1948
1949ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
1950 struct files_struct *fsp, const char *name,
1951 void *value, size_t size)
1952{
1953 VFS_FIND(fgetxattr);
1954 return handle->fns->fgetxattr(handle, fsp, name, value, size);
1955}
1956
1957ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
1958 const char *path, char *list, size_t size)
1959{
1960 VFS_FIND(listxattr);
1961 return handle->fns->listxattr(handle, path, list, size);
1962}
1963
1964ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
1965 const char *path, char *list, size_t size)
1966{
1967 VFS_FIND(llistxattr);
1968 return handle->fns->llistxattr(handle, path, list, size);
1969}
1970
1971ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
1972 struct files_struct *fsp, char *list,
1973 size_t size)
1974{
1975 VFS_FIND(flistxattr);
1976 return handle->fns->flistxattr(handle, fsp, list, size);
1977}
1978
1979int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
1980 const char *path, const char *name)
1981{
1982 VFS_FIND(removexattr);
1983 return handle->fns->removexattr(handle, path, name);
1984}
1985
1986int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
1987 const char *path, const char *name)
1988{
1989 VFS_FIND(lremovexattr);
1990 return handle->fns->lremovexattr(handle, path, name);
1991}
1992
1993int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
1994 struct files_struct *fsp, const char *name)
1995{
1996 VFS_FIND(fremovexattr);
1997 return handle->fns->fremovexattr(handle, fsp, name);
1998}
1999
2000int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
2001 const char *name, const void *value, size_t size,
2002 int flags)
2003{
2004 VFS_FIND(setxattr);
2005 return handle->fns->setxattr(handle, path, name, value, size, flags);
2006}
2007
2008int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
2009 const char *name, const void *value, size_t size,
2010 int flags)
2011{
2012 VFS_FIND(lsetxattr);
2013 return handle->fns->lsetxattr(handle, path, name, value, size, flags);
2014}
2015
2016int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
2017 struct files_struct *fsp, const char *name,
2018 const void *value, size_t size, int flags)
2019{
2020 VFS_FIND(fsetxattr);
2021 return handle->fns->fsetxattr(handle, fsp, name, value, size, flags);
2022}
2023
2024int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
2025 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2026{
2027 VFS_FIND(aio_read);
2028 return handle->fns->aio_read(handle, fsp, aiocb);
2029}
2030
2031int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
2032 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2033{
2034 VFS_FIND(aio_write);
2035 return handle->fns->aio_write(handle, fsp, aiocb);
2036}
2037
2038ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
2039 struct files_struct *fsp,
2040 SMB_STRUCT_AIOCB *aiocb)
2041{
2042 VFS_FIND(aio_return_fn);
2043 return handle->fns->aio_return_fn(handle, fsp, aiocb);
2044}
2045
2046int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
2047 struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
2048{
2049 VFS_FIND(aio_cancel);
2050 return handle->fns->aio_cancel(handle, fsp, aiocb);
2051}
2052
2053int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
2054 struct files_struct *fsp,
2055 SMB_STRUCT_AIOCB *aiocb)
2056{
2057 VFS_FIND(aio_error_fn);
2058 return handle->fns->aio_error_fn(handle, fsp, aiocb);
2059}
2060
2061int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
2062 struct files_struct *fsp, int op,
2063 SMB_STRUCT_AIOCB *aiocb)
2064{
2065 VFS_FIND(aio_fsync);
2066 return handle->fns->aio_fsync(handle, fsp, op, aiocb);
2067}
2068
2069int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
2070 struct files_struct *fsp,
2071 const SMB_STRUCT_AIOCB * const aiocb[], int n,
2072 const struct timespec *timeout)
2073{
2074 VFS_FIND(aio_suspend);
2075 return handle->fns->aio_suspend(handle, fsp, aiocb, n, timeout);
2076}
2077
2078bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2079 struct files_struct *fsp)
2080{
2081 VFS_FIND(aio_force);
2082 return handle->fns->aio_force(handle, fsp);
2083}
2084
2085bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
2086 const struct smb_filename *fname,
2087 SMB_STRUCT_STAT *sbuf)
2088{
2089 VFS_FIND(is_offline);
2090 return handle->fns->is_offline(handle, fname, sbuf);
2091}
2092
2093int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
2094 const struct smb_filename *fname)
2095{
2096 VFS_FIND(set_offline);
2097 return handle->fns->set_offline(handle, fname);
2098}
Note: See TracBrowser for help on using the repository browser.