Line data Source code
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 "../lib/util/memcache.h"
31 : #include "transfer_file.h"
32 : #include "ntioctl.h"
33 : #include "lib/util/tevent_unix.h"
34 : #include "lib/util/tevent_ntstatus.h"
35 : #include "lib/util/sys_rw.h"
36 :
37 : #undef DBGC_CLASS
38 : #define DBGC_CLASS DBGC_VFS
39 :
40 : static_decl_vfs;
41 :
42 : struct vfs_fsp_data {
43 : struct vfs_fsp_data *next;
44 : struct vfs_handle_struct *owner;
45 : void (*destroy)(void *p_data);
46 : void *_dummy_;
47 : /* NOTE: This structure contains four pointers so that we can guarantee
48 : * that the end of the structure is always both 4-byte and 8-byte aligned.
49 : */
50 : };
51 :
52 : struct vfs_init_function_entry {
53 : char *name;
54 : struct vfs_init_function_entry *prev, *next;
55 : const struct vfs_fn_pointers *fns;
56 : };
57 :
58 : /****************************************************************************
59 : maintain the list of available backends
60 : ****************************************************************************/
61 :
62 114300 : static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
63 : {
64 114300 : struct vfs_init_function_entry *entry = backends;
65 :
66 114300 : DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
67 :
68 533797 : while(entry) {
69 469862 : if (strcmp(entry->name, name)==0) return entry;
70 419497 : entry = entry->next;
71 : }
72 :
73 63935 : return NULL;
74 : }
75 :
76 42385 : NTSTATUS smb_register_vfs(int version, const char *name,
77 : const struct vfs_fn_pointers *fns)
78 : {
79 42385 : struct vfs_init_function_entry *entry = backends;
80 :
81 42385 : if ((version != SMB_VFS_INTERFACE_VERSION)) {
82 0 : DEBUG(0, ("Failed to register vfs module.\n"
83 : "The module was compiled against SMB_VFS_INTERFACE_VERSION %d,\n"
84 : "current SMB_VFS_INTERFACE_VERSION is %d.\n"
85 : "Please recompile against the current Samba Version!\n",
86 : version, SMB_VFS_INTERFACE_VERSION));
87 0 : return NT_STATUS_OBJECT_TYPE_MISMATCH;
88 : }
89 :
90 42385 : if (!name || !name[0]) {
91 0 : DEBUG(0,("smb_register_vfs() called with NULL pointer or empty name!\n"));
92 0 : return NT_STATUS_INVALID_PARAMETER;
93 : }
94 :
95 42385 : if (vfs_find_backend_entry(name)) {
96 0 : DEBUG(0,("VFS module %s already loaded!\n", name));
97 0 : return NT_STATUS_OBJECT_NAME_COLLISION;
98 : }
99 :
100 42385 : entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
101 42385 : entry->name = smb_xstrdup(name);
102 42385 : entry->fns = fns;
103 :
104 42385 : DLIST_ADD(backends, entry);
105 42385 : DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
106 42385 : return NT_STATUS_OK;
107 : }
108 :
109 : /****************************************************************************
110 : initialise default vfs hooks
111 : ****************************************************************************/
112 :
113 7970 : static void vfs_init_default(connection_struct *conn)
114 : {
115 7970 : DEBUG(3, ("Initialising default vfs hooks\n"));
116 7970 : vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
117 7970 : }
118 :
119 : /****************************************************************************
120 : initialise custom vfs hooks
121 : ****************************************************************************/
122 :
123 50365 : bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
124 : {
125 50365 : char *module_path = NULL;
126 50365 : char *module_name = NULL;
127 50365 : char *module_param = NULL, *p;
128 : vfs_handle_struct *handle;
129 : const struct vfs_init_function_entry *entry;
130 :
131 50365 : if (!conn||!vfs_object||!vfs_object[0]) {
132 0 : DEBUG(0, ("vfs_init_custom() called with NULL pointer or "
133 : "empty vfs_object!\n"));
134 0 : return False;
135 : }
136 :
137 50365 : if(!backends) {
138 4869 : static_init_vfs(NULL);
139 : }
140 :
141 50365 : DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
142 :
143 50365 : module_path = smb_xstrdup(vfs_object);
144 :
145 50365 : p = strchr_m(module_path, ':');
146 :
147 50365 : if (p) {
148 0 : *p = 0;
149 0 : module_param = p+1;
150 0 : trim_char(module_param, ' ', ' ');
151 : }
152 :
153 50365 : trim_char(module_path, ' ', ' ');
154 :
155 50365 : module_name = smb_xstrdup(module_path);
156 :
157 50365 : if ((module_name[0] == '/') &&
158 7970 : (strcmp(module_path, DEFAULT_VFS_MODULE_NAME) != 0)) {
159 :
160 : /*
161 : * Extract the module name from the path. Just use the base
162 : * name of the last path component.
163 : */
164 :
165 0 : SAFE_FREE(module_name);
166 0 : module_name = smb_xstrdup(strrchr_m(module_path, '/')+1);
167 :
168 0 : p = strchr_m(module_name, '.');
169 :
170 0 : if (p != NULL) {
171 0 : *p = '\0';
172 : }
173 : }
174 :
175 : /* First, try to load the module with the new module system */
176 50365 : entry = vfs_find_backend_entry(module_name);
177 50365 : if (!entry) {
178 : NTSTATUS status;
179 :
180 21550 : DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
181 : vfs_object));
182 :
183 21550 : status = smb_load_module("vfs", module_path);
184 21550 : if (!NT_STATUS_IS_OK(status)) {
185 0 : DEBUG(0, ("error probing vfs module '%s': %s\n",
186 : module_path, nt_errstr(status)));
187 0 : goto fail;
188 : }
189 :
190 21550 : entry = vfs_find_backend_entry(module_name);
191 21550 : if (!entry) {
192 0 : DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
193 0 : goto fail;
194 : }
195 : }
196 :
197 50365 : DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
198 :
199 50365 : handle = talloc_zero(conn, vfs_handle_struct);
200 50365 : if (!handle) {
201 0 : DEBUG(0,("TALLOC_ZERO() failed!\n"));
202 0 : goto fail;
203 : }
204 50365 : handle->conn = conn;
205 50365 : handle->fns = entry->fns;
206 50365 : if (module_param) {
207 0 : handle->param = talloc_strdup(conn, module_param);
208 : }
209 50365 : DLIST_ADD(conn->vfs_handles, handle);
210 :
211 50365 : SAFE_FREE(module_path);
212 50365 : SAFE_FREE(module_name);
213 50365 : return True;
214 :
215 0 : fail:
216 0 : SAFE_FREE(module_path);
217 0 : SAFE_FREE(module_name);
218 0 : return False;
219 : }
220 :
221 : /*****************************************************************
222 : Allow VFS modules to extend files_struct with VFS-specific state.
223 : This will be ok for small numbers of extensions, but might need to
224 : be refactored if it becomes more widely used.
225 : ******************************************************************/
226 :
227 : #define EXT_DATA_AREA(e) ((uint8_t *)(e) + sizeof(struct vfs_fsp_data))
228 :
229 2406 : void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
230 : files_struct *fsp, size_t ext_size,
231 : void (*destroy_fn)(void *p_data))
232 : {
233 : struct vfs_fsp_data *ext;
234 : void * ext_data;
235 :
236 : /* Prevent VFS modules adding multiple extensions. */
237 2406 : if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
238 0 : return ext_data;
239 : }
240 :
241 2406 : ext = talloc_zero_size(
242 : handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
243 2406 : if (ext == NULL) {
244 0 : return NULL;
245 : }
246 :
247 2406 : ext->owner = handle;
248 2406 : ext->next = fsp->vfs_extension;
249 2406 : ext->destroy = destroy_fn;
250 2406 : fsp->vfs_extension = ext;
251 2406 : return EXT_DATA_AREA(ext);
252 : }
253 :
254 2382 : void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
255 : {
256 : struct vfs_fsp_data *curr;
257 : struct vfs_fsp_data *prev;
258 :
259 2382 : for (curr = fsp->vfs_extension, prev = NULL;
260 2382 : curr;
261 0 : prev = curr, curr = curr->next) {
262 2382 : if (curr->owner == handle) {
263 2382 : if (prev) {
264 0 : prev->next = curr->next;
265 : } else {
266 2382 : fsp->vfs_extension = curr->next;
267 : }
268 2382 : if (curr->destroy) {
269 0 : curr->destroy(EXT_DATA_AREA(curr));
270 : }
271 2382 : TALLOC_FREE(curr);
272 2382 : return;
273 : }
274 : }
275 : }
276 :
277 146984 : void vfs_remove_all_fsp_extensions(files_struct *fsp)
278 : {
279 : struct vfs_fsp_data *curr;
280 : struct vfs_fsp_data *next;
281 :
282 147008 : for (curr = fsp->vfs_extension; curr; curr = next) {
283 :
284 24 : next = curr->next;
285 24 : fsp->vfs_extension = next;
286 :
287 24 : if (curr->destroy) {
288 0 : curr->destroy(EXT_DATA_AREA(curr));
289 : }
290 24 : TALLOC_FREE(curr);
291 : }
292 146984 : }
293 :
294 4820 : void *vfs_memctx_fsp_extension(vfs_handle_struct *handle,
295 : const struct files_struct *fsp)
296 : {
297 : struct vfs_fsp_data *head;
298 :
299 4820 : for (head = fsp->vfs_extension; head; head = head->next) {
300 1781 : if (head->owner == handle) {
301 1781 : return head;
302 : }
303 : }
304 :
305 3039 : return NULL;
306 : }
307 :
308 4772 : void *vfs_fetch_fsp_extension(vfs_handle_struct *handle,
309 : const struct files_struct *fsp)
310 : {
311 : struct vfs_fsp_data *head;
312 :
313 4772 : head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
314 4772 : if (head != NULL) {
315 1733 : return EXT_DATA_AREA(head);
316 : }
317 :
318 3039 : return NULL;
319 : }
320 :
321 : #undef EXT_DATA_AREA
322 :
323 : /*
324 : * Ensure this module catches all VFS functions.
325 : */
326 : #ifdef DEVELOPER
327 12036 : void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
328 : const char *module)
329 : {
330 12036 : bool missing_fn = false;
331 : unsigned int idx;
332 12036 : const uintptr_t *end = (const uintptr_t *)(fns + 1);
333 :
334 1215636 : for (idx = 0; ((const uintptr_t *)fns + idx) < end; idx++) {
335 1203600 : if (*((const uintptr_t *)fns + idx) == 0) {
336 0 : DBG_ERR("VFS function at index %d not implemented "
337 : "in module %s\n", idx, module);
338 0 : missing_fn = true;
339 : }
340 : }
341 :
342 12036 : if (missing_fn) {
343 0 : smb_panic("Required VFS function not implemented in module.\n");
344 : }
345 12036 : }
346 : #else
347 : void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
348 : const char *module)
349 : {
350 : }
351 : #endif
352 :
353 : /*****************************************************************
354 : Generic VFS init.
355 : ******************************************************************/
356 :
357 7970 : bool smbd_vfs_init(connection_struct *conn)
358 : {
359 : const char **vfs_objects;
360 7970 : unsigned int i = 0;
361 7970 : int j = 0;
362 :
363 : /* Normal share - initialise with disk access functions */
364 7970 : vfs_init_default(conn);
365 :
366 : /* No need to load vfs modules for printer connections */
367 7970 : if (conn->printer) {
368 0 : return True;
369 : }
370 :
371 7970 : if (lp_widelinks(SNUM(conn))) {
372 : /*
373 : * As the widelinks logic is now moving into a
374 : * vfs_widelinks module, we need to custom load
375 : * it after the default module is initialized.
376 : * That way no changes to smb.conf files are
377 : * needed.
378 : */
379 8 : bool ok = vfs_init_custom(conn, "widelinks");
380 8 : if (!ok) {
381 0 : DBG_ERR("widelinks enabled and vfs_init_custom "
382 : "failed for vfs_widelinks module\n");
383 0 : return false;
384 : }
385 : }
386 :
387 7970 : vfs_objects = lp_vfs_objects(SNUM(conn));
388 :
389 : /* Override VFS functions if 'vfs object' was not specified*/
390 7970 : if (!vfs_objects || !vfs_objects[0])
391 0 : return True;
392 :
393 50357 : for (i=0; vfs_objects[i] ;) {
394 42387 : i++;
395 : }
396 :
397 50357 : for (j=i-1; j >= 0; j--) {
398 42387 : if (!vfs_init_custom(conn, vfs_objects[j])) {
399 0 : DEBUG(0, ("smbd_vfs_init: vfs_init_custom failed for %s\n", vfs_objects[j]));
400 0 : return False;
401 : }
402 : }
403 7970 : return True;
404 : }
405 :
406 : /*******************************************************************
407 : Check if a file exists in the vfs.
408 : ********************************************************************/
409 :
410 0 : NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname)
411 : {
412 : /* Only return OK if stat was successful and S_ISREG */
413 0 : if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
414 0 : S_ISREG(smb_fname->st.st_ex_mode)) {
415 0 : return NT_STATUS_OK;
416 : }
417 :
418 0 : return NT_STATUS_OBJECT_NAME_NOT_FOUND;
419 : }
420 :
421 376 : bool vfs_valid_pread_range(off_t offset, size_t length)
422 : {
423 376 : return sys_valid_io_range(offset, length);
424 : }
425 :
426 492 : bool vfs_valid_pwrite_range(off_t offset, size_t length)
427 : {
428 : /*
429 : * See MAXFILESIZE in [MS-FSA] 2.1.5.3 Server Requests a Write
430 : */
431 : static const uint64_t maxfilesize = 0xfffffff0000;
432 : uint64_t last_byte_ofs;
433 : bool ok;
434 :
435 492 : ok = sys_valid_io_range(offset, length);
436 492 : if (!ok) {
437 0 : return false;
438 : }
439 :
440 492 : if (length == 0) {
441 18 : return true;
442 : }
443 :
444 474 : last_byte_ofs = offset + length;
445 474 : if (last_byte_ofs > maxfilesize) {
446 0 : return false;
447 : }
448 :
449 474 : return true;
450 : }
451 :
452 24 : ssize_t vfs_pwrite_data(struct smb_request *req,
453 : files_struct *fsp,
454 : const char *buffer,
455 : size_t N,
456 : off_t offset)
457 : {
458 24 : size_t total=0;
459 : ssize_t ret;
460 : bool ok;
461 :
462 24 : ok = vfs_valid_pwrite_range(offset, N);
463 24 : if (!ok) {
464 0 : errno = EINVAL;
465 0 : return -1;
466 : }
467 :
468 24 : if (req && req->unread_bytes) {
469 0 : int sockfd = req->xconn->transport.sock;
470 0 : SMB_ASSERT(req->unread_bytes == N);
471 : /* VFS_RECVFILE must drain the socket
472 : * before returning. */
473 0 : req->unread_bytes = 0;
474 : /*
475 : * Leave the socket non-blocking and
476 : * use SMB_VFS_RECVFILE. If it returns
477 : * EAGAIN || EWOULDBLOCK temporarily set
478 : * the socket blocking and retry
479 : * the RECVFILE.
480 : */
481 0 : while (total < N) {
482 0 : ret = SMB_VFS_RECVFILE(sockfd,
483 : fsp,
484 : offset + total,
485 : N - total);
486 0 : if (ret == 0 || (ret == -1 &&
487 0 : (errno == EAGAIN ||
488 0 : errno == EWOULDBLOCK))) {
489 : int old_flags;
490 : /* Ensure the socket is blocking. */
491 0 : old_flags = fcntl(sockfd, F_GETFL, 0);
492 0 : if (set_blocking(sockfd, true) == -1) {
493 0 : return (ssize_t)-1;
494 : }
495 0 : ret = SMB_VFS_RECVFILE(sockfd,
496 : fsp,
497 : offset + total,
498 : N - total);
499 0 : if (fcntl(sockfd, F_SETFL, old_flags) == -1) {
500 0 : return (ssize_t)-1;
501 : }
502 0 : if (ret == -1) {
503 0 : return (ssize_t)-1;
504 : }
505 0 : total += ret;
506 0 : return (ssize_t)total;
507 : }
508 : /* Any other error case. */
509 0 : if (ret == -1) {
510 0 : return ret;
511 : }
512 0 : total += ret;
513 : }
514 0 : return (ssize_t)total;
515 : }
516 :
517 48 : while (total < N) {
518 24 : ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
519 : offset + total);
520 :
521 24 : if (ret == -1)
522 0 : return -1;
523 24 : if (ret == 0)
524 0 : return total;
525 :
526 24 : total += ret;
527 : }
528 24 : return (ssize_t)total;
529 : }
530 : /****************************************************************************
531 : An allocate file space call using the vfs interface.
532 : Allocates space for a file from a filedescriptor.
533 : Returns 0 on success, -1 on failure.
534 : ****************************************************************************/
535 :
536 18 : int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
537 : {
538 : int ret;
539 18 : connection_struct *conn = fsp->conn;
540 : uint64_t space_avail;
541 : uint64_t bsize,dfree,dsize;
542 : NTSTATUS status;
543 : bool ok;
544 :
545 : /*
546 : * Actually try and commit the space on disk....
547 : */
548 :
549 18 : DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
550 : fsp_str_dbg(fsp), (double)len));
551 :
552 18 : ok = vfs_valid_pwrite_range((off_t)len, 0);
553 18 : if (!ok) {
554 0 : DEBUG(0,("vfs_allocate_file_space: %s negative/invalid len "
555 : "requested.\n", fsp_str_dbg(fsp)));
556 0 : errno = EINVAL;
557 0 : return -1;
558 : }
559 :
560 18 : status = vfs_stat_fsp(fsp);
561 18 : if (!NT_STATUS_IS_OK(status)) {
562 0 : return -1;
563 : }
564 :
565 18 : if (len == (uint64_t)fsp->fsp_name->st.st_ex_size)
566 0 : return 0;
567 :
568 18 : if (len < (uint64_t)fsp->fsp_name->st.st_ex_size) {
569 : /* Shrink - use ftruncate. */
570 :
571 0 : DEBUG(10,("vfs_allocate_file_space: file %s, shrink. Current "
572 : "size %.0f\n", fsp_str_dbg(fsp),
573 : (double)fsp->fsp_name->st.st_ex_size));
574 :
575 0 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
576 :
577 0 : ret = SMB_VFS_FTRUNCATE(fsp, (off_t)len);
578 :
579 0 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
580 :
581 0 : return ret;
582 : }
583 :
584 : /* Grow - we need to test if we have enough space. */
585 :
586 18 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
587 :
588 18 : if (lp_strict_allocate(SNUM(fsp->conn))) {
589 : /* See if we have a syscall that will allocate beyond
590 : end-of-file without changing EOF. */
591 0 : ret = SMB_VFS_FALLOCATE(fsp, VFS_FALLOCATE_FL_KEEP_SIZE,
592 : 0, len);
593 : } else {
594 18 : ret = 0;
595 : }
596 :
597 18 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
598 :
599 18 : if (ret == 0) {
600 : /* We changed the allocation size on disk, but not
601 : EOF - exactly as required. We're done ! */
602 18 : return 0;
603 : }
604 :
605 0 : if (ret == -1 && errno == ENOSPC) {
606 0 : return -1;
607 : }
608 :
609 0 : len -= fsp->fsp_name->st.st_ex_size;
610 0 : len /= 1024; /* Len is now number of 1k blocks needed. */
611 : space_avail =
612 0 : get_dfree_info(conn, fsp->fsp_name, &bsize, &dfree, &dsize);
613 0 : if (space_avail == (uint64_t)-1) {
614 0 : return -1;
615 : }
616 :
617 0 : DEBUG(10,("vfs_allocate_file_space: file %s, grow. Current size %.0f, "
618 : "needed blocks = %.0f, space avail = %.0f\n",
619 : fsp_str_dbg(fsp), (double)fsp->fsp_name->st.st_ex_size, (double)len,
620 : (double)space_avail));
621 :
622 0 : if (len > space_avail) {
623 0 : errno = ENOSPC;
624 0 : return -1;
625 : }
626 :
627 0 : return 0;
628 : }
629 :
630 : /****************************************************************************
631 : A vfs set_filelen call.
632 : set the length of a file from a filedescriptor.
633 : Returns 0 on success, -1 on failure.
634 : ****************************************************************************/
635 :
636 0 : int vfs_set_filelen(files_struct *fsp, off_t len)
637 : {
638 : int ret;
639 : bool ok;
640 :
641 0 : ok = vfs_valid_pwrite_range(len, 0);
642 0 : if (!ok) {
643 0 : errno = EINVAL;
644 0 : return -1;
645 : }
646 :
647 0 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
648 :
649 0 : DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
650 : fsp_str_dbg(fsp), (double)len));
651 0 : if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
652 0 : notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
653 : FILE_NOTIFY_CHANGE_SIZE
654 : | FILE_NOTIFY_CHANGE_ATTRIBUTES,
655 0 : fsp->fsp_name->base_name);
656 : }
657 :
658 0 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
659 :
660 0 : return ret;
661 : }
662 :
663 : /****************************************************************************
664 : A slow version of fallocate. Fallback code if SMB_VFS_FALLOCATE
665 : fails. Needs to be outside of the default version of SMB_VFS_FALLOCATE
666 : as this is also called from the default SMB_VFS_FTRUNCATE code.
667 : Always extends the file size.
668 : Returns 0 on success, -1 on failure.
669 : ****************************************************************************/
670 :
671 : #define SPARSE_BUF_WRITE_SIZE (32*1024)
672 :
673 0 : int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len)
674 : {
675 : ssize_t pwrite_ret;
676 0 : size_t total = 0;
677 : bool ok;
678 :
679 0 : ok = vfs_valid_pwrite_range(offset, len);
680 0 : if (!ok) {
681 0 : errno = EINVAL;
682 0 : return -1;
683 : }
684 :
685 0 : if (!sparse_buf) {
686 0 : sparse_buf = SMB_CALLOC_ARRAY(char, SPARSE_BUF_WRITE_SIZE);
687 0 : if (!sparse_buf) {
688 0 : errno = ENOMEM;
689 0 : return -1;
690 : }
691 : }
692 :
693 0 : while (total < len) {
694 0 : size_t curr_write_size = MIN(SPARSE_BUF_WRITE_SIZE, (len - total));
695 :
696 0 : pwrite_ret = SMB_VFS_PWRITE(fsp, sparse_buf, curr_write_size, offset + total);
697 0 : if (pwrite_ret == -1) {
698 0 : int saved_errno = errno;
699 0 : DEBUG(10,("vfs_slow_fallocate: SMB_VFS_PWRITE for file "
700 : "%s failed with error %s\n",
701 : fsp_str_dbg(fsp), strerror(saved_errno)));
702 0 : errno = saved_errno;
703 0 : return -1;
704 : }
705 0 : total += pwrite_ret;
706 : }
707 :
708 0 : return 0;
709 : }
710 :
711 : /****************************************************************************
712 : A vfs fill sparse call.
713 : Writes zeros from the end of file to len, if len is greater than EOF.
714 : Used only by strict_sync.
715 : Returns 0 on success, -1 on failure.
716 : ****************************************************************************/
717 :
718 0 : int vfs_fill_sparse(files_struct *fsp, off_t len)
719 : {
720 : int ret;
721 : NTSTATUS status;
722 : off_t offset;
723 : size_t num_to_write;
724 : bool ok;
725 :
726 0 : ok = vfs_valid_pwrite_range(len, 0);
727 0 : if (!ok) {
728 0 : errno = EINVAL;
729 0 : return -1;
730 : }
731 :
732 0 : status = vfs_stat_fsp(fsp);
733 0 : if (!NT_STATUS_IS_OK(status)) {
734 0 : return -1;
735 : }
736 :
737 0 : if (len <= fsp->fsp_name->st.st_ex_size) {
738 0 : return 0;
739 : }
740 :
741 : #ifdef S_ISFIFO
742 0 : if (S_ISFIFO(fsp->fsp_name->st.st_ex_mode)) {
743 0 : return 0;
744 : }
745 : #endif
746 :
747 0 : DEBUG(10,("vfs_fill_sparse: write zeros in file %s from len %.0f to "
748 : "len %.0f (%.0f bytes)\n", fsp_str_dbg(fsp),
749 : (double)fsp->fsp_name->st.st_ex_size, (double)len,
750 : (double)(len - fsp->fsp_name->st.st_ex_size)));
751 :
752 0 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_FILL_SPARSE);
753 :
754 0 : offset = fsp->fsp_name->st.st_ex_size;
755 0 : num_to_write = len - fsp->fsp_name->st.st_ex_size;
756 :
757 : /* Only do this on non-stream file handles. */
758 0 : if (!fsp_is_alternate_stream(fsp)) {
759 : /* for allocation try fallocate first. This can fail on some
760 : * platforms e.g. when the filesystem doesn't support it and no
761 : * emulation is being done by the libc (like on AIX with JFS1). In that
762 : * case we do our own emulation. fallocate implementations can
763 : * return ENOTSUP or EINVAL in cases like that. */
764 0 : ret = SMB_VFS_FALLOCATE(fsp, 0, offset, num_to_write);
765 0 : if (ret == -1 && errno == ENOSPC) {
766 0 : goto out;
767 : }
768 0 : if (ret == 0) {
769 0 : goto out;
770 : }
771 0 : DEBUG(10,("vfs_fill_sparse: SMB_VFS_FALLOCATE failed with "
772 : "error %d. Falling back to slow manual allocation\n", ret));
773 : }
774 :
775 0 : ret = vfs_slow_fallocate(fsp, offset, num_to_write);
776 :
777 0 : out:
778 :
779 0 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_FILL_SPARSE);
780 0 : return ret;
781 : }
782 :
783 : /*******************************************************************************
784 : Set a fd into blocking/nonblocking mode through VFS
785 : *******************************************************************************/
786 :
787 1196 : int vfs_set_blocking(files_struct *fsp, bool set)
788 : {
789 : int val;
790 : #ifdef O_NONBLOCK
791 : #define FLAG_TO_SET O_NONBLOCK
792 : #else
793 : #ifdef SYSV
794 : #define FLAG_TO_SET O_NDELAY
795 : #else /* BSD */
796 : #define FLAG_TO_SET FNDELAY
797 : #endif
798 : #endif
799 :
800 1196 : if (fsp->fsp_flags.is_pathref) {
801 0 : return 0;
802 : }
803 :
804 1196 : val = SMB_VFS_FCNTL(fsp, F_GETFL, 0);
805 1196 : if (val == -1) {
806 0 : return -1;
807 : }
808 :
809 1196 : if (set) {
810 1196 : val &= ~FLAG_TO_SET;
811 : } else {
812 0 : val |= FLAG_TO_SET;
813 : }
814 :
815 1196 : return SMB_VFS_FCNTL(fsp, F_SETFL, val);
816 : #undef FLAG_TO_SET
817 : }
818 :
819 : /****************************************************************************
820 : Transfer some data (n bytes) between two file_struct's.
821 : ****************************************************************************/
822 :
823 0 : static ssize_t vfs_pread_fn(void *file, void *buf, size_t len, off_t offset)
824 : {
825 0 : struct files_struct *fsp = (struct files_struct *)file;
826 :
827 0 : return SMB_VFS_PREAD(fsp, buf, len, offset);
828 : }
829 :
830 0 : static ssize_t vfs_pwrite_fn(void *file, const void *buf, size_t len, off_t offset)
831 : {
832 0 : struct files_struct *fsp = (struct files_struct *)file;
833 :
834 0 : return SMB_VFS_PWRITE(fsp, buf, len, offset);
835 : }
836 :
837 0 : off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n)
838 : {
839 0 : return transfer_file_internal((void *)in, (void *)out, n,
840 : vfs_pread_fn, vfs_pwrite_fn);
841 : }
842 :
843 : /*******************************************************************
844 : A vfs_readdir wrapper which just returns the file name.
845 : ********************************************************************/
846 :
847 33866 : const char *vfs_readdirname(connection_struct *conn,
848 : struct files_struct *dirfsp,
849 : void *p,
850 : SMB_STRUCT_STAT *sbuf,
851 : char **talloced)
852 : {
853 33866 : struct dirent *ptr= NULL;
854 : const char *dname;
855 : char *translated;
856 : NTSTATUS status;
857 :
858 33866 : if (!p)
859 0 : return(NULL);
860 :
861 33866 : ptr = SMB_VFS_READDIR(conn, dirfsp, (DIR *)p, sbuf);
862 33866 : if (!ptr)
863 4775 : return(NULL);
864 :
865 29091 : dname = ptr->d_name;
866 :
867 29091 : status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
868 : talloc_tos(), &translated);
869 29091 : if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
870 29091 : *talloced = NULL;
871 29091 : return dname;
872 : }
873 0 : *talloced = translated;
874 0 : if (!NT_STATUS_IS_OK(status)) {
875 0 : return NULL;
876 : }
877 0 : return translated;
878 : }
879 :
880 : /*******************************************************************
881 : A wrapper for vfs_chdir().
882 : ********************************************************************/
883 :
884 178244 : int vfs_ChDir(connection_struct *conn, const struct smb_filename *smb_fname)
885 : {
886 : int ret;
887 178244 : struct smb_filename *cwd = NULL;
888 :
889 178244 : if (!LastDir) {
890 26091 : LastDir = SMB_STRDUP("");
891 : }
892 :
893 178244 : if (ISDOT(smb_fname->base_name)) {
894 : /*
895 : * passing a '.' is a noop,
896 : * and we only expect this after
897 : * everything is initialized.
898 : *
899 : * So the first vfs_ChDir() on a given
900 : * connection_struct must not be '.'.
901 : *
902 : * Note: conn_new() sets
903 : * conn->cwd_fsp->fh->fd = -1
904 : * and vfs_ChDir() leaves with
905 : * conn->cwd_fsp->fh->fd = AT_FDCWD
906 : * on success!
907 : */
908 0 : if (fsp_get_pathref_fd(conn->cwd_fsp) != AT_FDCWD) {
909 : /*
910 : * This should never happen and
911 : * we might change this to
912 : * SMB_ASSERT() in future.
913 : */
914 0 : DBG_ERR("Called with '.' as first operation!\n");
915 0 : log_stack_trace();
916 0 : errno = EINVAL;
917 0 : return -1;
918 : }
919 0 : return 0;
920 : }
921 :
922 349090 : if (smb_fname->base_name[0] == '/' &&
923 170846 : strcsequal(LastDir,smb_fname->base_name))
924 : {
925 : /*
926 : * conn->cwd_fsp->fsp_name and the kernel
927 : * are already correct, but conn->cwd_fsp->fh->fd
928 : * might still be -1 as initialized in conn_new().
929 : *
930 : * This can happen when a client made a 2nd
931 : * tree connect to a share with the same underlying
932 : * path (may or may not the same share).
933 : */
934 125930 : fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
935 125930 : return 0;
936 : }
937 :
938 52314 : DEBUG(4,("vfs_ChDir to %s\n", smb_fname->base_name));
939 :
940 52314 : ret = SMB_VFS_CHDIR(conn, smb_fname);
941 52314 : if (ret != 0) {
942 849 : return -1;
943 : }
944 :
945 : /*
946 : * Always replace conn->cwd_fsp. We
947 : * don't know if it's been modified by
948 : * VFS modules in the stack.
949 : */
950 51465 : fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
951 :
952 : /* conn cache. */
953 51465 : cwd = vfs_GetWd(conn, conn);
954 51465 : if (cwd == NULL) {
955 : /*
956 : * vfs_GetWd() failed.
957 : * We must be able to read cwd.
958 : * Return to original directory
959 : * and return -1.
960 : */
961 0 : int saved_errno = errno;
962 :
963 0 : if (conn->cwd_fsp->fsp_name == NULL) {
964 : /*
965 : * Failed on the very first chdir()+getwd()
966 : * for this connection. We can't
967 : * continue.
968 : */
969 0 : smb_panic("conn->cwd getwd failed\n");
970 : /* NOTREACHED */
971 : return -1;
972 : }
973 :
974 : /* Return to the previous $cwd. */
975 0 : ret = SMB_VFS_CHDIR(conn, conn->cwd_fsp->fsp_name);
976 0 : if (ret != 0) {
977 0 : smb_panic("conn->cwd getwd failed\n");
978 : /* NOTREACHED */
979 : return -1;
980 : }
981 0 : errno = saved_errno;
982 : /* And fail the chdir(). */
983 0 : return -1;
984 : }
985 :
986 : /* vfs_GetWd() succeeded. */
987 : /* Replace global cache. */
988 51465 : SAFE_FREE(LastDir);
989 51465 : LastDir = SMB_STRDUP(smb_fname->base_name);
990 :
991 : /*
992 : * (Indirect) Callers of vfs_ChDir() may still hold references to the
993 : * old conn->cwd_fsp->fsp_name. Move it to talloc_tos(), that way
994 : * callers can use it for the lifetime of the SMB request.
995 : */
996 51465 : talloc_move(talloc_tos(), &conn->cwd_fsp->fsp_name);
997 :
998 51465 : conn->cwd_fsp->fsp_name = talloc_move(conn->cwd_fsp, &cwd);
999 :
1000 51465 : DBG_INFO("vfs_ChDir got %s\n", fsp_str_dbg(conn->cwd_fsp));
1001 :
1002 51465 : return ret;
1003 : }
1004 :
1005 : /*******************************************************************
1006 : Return the absolute current directory path - given a UNIX pathname.
1007 : Note that this path is returned in DOS format, not UNIX
1008 : format. Note this can be called with conn == NULL.
1009 : ********************************************************************/
1010 :
1011 65208 : struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
1012 : {
1013 65208 : struct smb_filename *current_dir_fname = NULL;
1014 : struct file_id key;
1015 65208 : struct smb_filename *smb_fname_dot = NULL;
1016 65208 : struct smb_filename *smb_fname_full = NULL;
1017 65208 : struct smb_filename *result = NULL;
1018 :
1019 65208 : if (!lp_getwd_cache()) {
1020 0 : goto nocache;
1021 : }
1022 :
1023 65208 : smb_fname_dot = synthetic_smb_fname(ctx,
1024 : ".",
1025 : NULL,
1026 : NULL,
1027 : 0,
1028 : 0);
1029 65208 : if (smb_fname_dot == NULL) {
1030 0 : errno = ENOMEM;
1031 0 : goto out;
1032 : }
1033 :
1034 65208 : if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
1035 : /*
1036 : * Known to fail for root: the directory may be NFS-mounted
1037 : * and exported with root_squash (so has no root access).
1038 : */
1039 0 : DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
1040 : "(NFS problem ?)\n", strerror(errno) ));
1041 0 : goto nocache;
1042 : }
1043 :
1044 65208 : key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
1045 :
1046 65208 : smb_fname_full = (struct smb_filename *)memcache_lookup_talloc(
1047 : smbd_memcache(),
1048 : GETWD_CACHE,
1049 : data_blob_const(&key, sizeof(key)));
1050 :
1051 65208 : if (smb_fname_full == NULL) {
1052 12572 : goto nocache;
1053 : }
1054 :
1055 52636 : if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
1056 52636 : (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
1057 52636 : (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
1058 52636 : (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
1059 : /*
1060 : * Ok, we're done
1061 : * Note: smb_fname_full is owned by smbd_memcache()
1062 : * so we must make a copy to return.
1063 : */
1064 52636 : result = cp_smb_filename(ctx, smb_fname_full);
1065 52636 : if (result == NULL) {
1066 0 : errno = ENOMEM;
1067 : }
1068 52636 : goto out;
1069 : }
1070 :
1071 0 : nocache:
1072 :
1073 : /*
1074 : * We don't have the information to hand so rely on traditional
1075 : * methods. The very slow getcwd, which spawns a process on some
1076 : * systems, or the not quite so bad getwd.
1077 : */
1078 :
1079 12572 : current_dir_fname = SMB_VFS_GETWD(conn, ctx);
1080 12572 : if (current_dir_fname == NULL) {
1081 0 : DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
1082 : strerror(errno)));
1083 0 : goto out;
1084 : }
1085 :
1086 12572 : if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
1087 12572 : key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
1088 :
1089 : /*
1090 : * smbd_memcache() will own current_dir_fname after the
1091 : * memcache_add_talloc call, so we must make
1092 : * a copy on ctx to return.
1093 : */
1094 12572 : result = cp_smb_filename(ctx, current_dir_fname);
1095 12572 : if (result == NULL) {
1096 0 : errno = ENOMEM;
1097 : }
1098 :
1099 : /*
1100 : * Ensure the memory going into the cache
1101 : * doesn't have a destructor so it can be
1102 : * cleanly freed.
1103 : */
1104 12572 : talloc_set_destructor(current_dir_fname, NULL);
1105 :
1106 12572 : memcache_add_talloc(smbd_memcache(),
1107 : GETWD_CACHE,
1108 : data_blob_const(&key, sizeof(key)),
1109 : ¤t_dir_fname);
1110 : /* current_dir_fname is now == NULL here. */
1111 : } else {
1112 : /* current_dir_fname is already allocated on ctx. */
1113 0 : result = current_dir_fname;
1114 : }
1115 :
1116 65208 : out:
1117 65208 : TALLOC_FREE(smb_fname_dot);
1118 : /*
1119 : * Don't free current_dir_fname here. It's either been moved
1120 : * to the memcache or is being returned in result.
1121 : */
1122 65208 : return result;
1123 : }
1124 :
1125 : /*
1126 : * Ensure LSTAT is called for POSIX paths.
1127 : */
1128 4712 : int vfs_stat(struct connection_struct *conn,
1129 : struct smb_filename *smb_fname)
1130 : {
1131 4712 : if (smb_fname->flags & SMB_FILENAME_POSIX_PATH) {
1132 0 : return SMB_VFS_LSTAT(conn, smb_fname);
1133 : }
1134 4712 : return SMB_VFS_STAT(conn, smb_fname);
1135 : }
1136 :
1137 : /**
1138 : * XXX: This is temporary and there should be no callers of this once
1139 : * smb_filename is plumbed through all path based operations.
1140 : *
1141 : * Called when we know stream name parsing has already been done.
1142 : */
1143 0 : int vfs_stat_smb_basename(struct connection_struct *conn,
1144 : const struct smb_filename *smb_fname_in,
1145 : SMB_STRUCT_STAT *psbuf)
1146 : {
1147 0 : struct smb_filename smb_fname = {
1148 0 : .base_name = discard_const_p(char, smb_fname_in->base_name),
1149 0 : .flags = smb_fname_in->flags,
1150 0 : .twrp = smb_fname_in->twrp,
1151 : };
1152 : int ret;
1153 :
1154 0 : ret = vfs_stat(conn, &smb_fname);
1155 0 : if (ret != -1) {
1156 0 : *psbuf = smb_fname.st;
1157 : }
1158 0 : return ret;
1159 : }
1160 :
1161 : /**
1162 : * Ensure LSTAT is called for POSIX paths.
1163 : */
1164 :
1165 33903 : NTSTATUS vfs_stat_fsp(files_struct *fsp)
1166 : {
1167 : int ret;
1168 33903 : struct stat_ex saved_stat = fsp->fsp_name->st;
1169 :
1170 33903 : if (fsp_get_pathref_fd(fsp) == -1) {
1171 0 : if (fsp->posix_flags & FSP_POSIX_FLAGS_OPEN) {
1172 0 : ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1173 : } else {
1174 0 : ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1175 : }
1176 : } else {
1177 33903 : ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
1178 : }
1179 33903 : if (ret == -1) {
1180 0 : return map_nt_error_from_unix(errno);
1181 : }
1182 33903 : update_stat_ex_from_saved_stat(&fsp->fsp_name->st, &saved_stat);
1183 33903 : fsp->fsp_flags.is_directory = S_ISDIR(fsp->fsp_name->st.st_ex_mode);
1184 33903 : return NT_STATUS_OK;
1185 : }
1186 :
1187 2382 : void init_smb_file_time(struct smb_file_time *ft)
1188 : {
1189 2382 : *ft = (struct smb_file_time) {
1190 2382 : .atime = make_omit_timespec(),
1191 2382 : .ctime = make_omit_timespec(),
1192 2382 : .mtime = make_omit_timespec(),
1193 2382 : .create_time = make_omit_timespec()
1194 : };
1195 2382 : }
1196 :
1197 : /**
1198 : * Initialize num_streams and streams, then call VFS op streaminfo
1199 : */
1200 :
1201 2815 : NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1202 : TALLOC_CTX *mem_ctx,
1203 : unsigned int *num_streams,
1204 : struct stream_struct **streams)
1205 : {
1206 2815 : *num_streams = 0;
1207 2815 : *streams = NULL;
1208 :
1209 2815 : if (fsp == NULL) {
1210 : /*
1211 : * Callers may pass fsp == NULL when passing smb_fname->fsp of a
1212 : * symlink. This is ok, handle it here, by just return no
1213 : * streams on a symlink.
1214 : */
1215 0 : return NT_STATUS_OK;
1216 : }
1217 :
1218 2815 : if (fsp_get_pathref_fd(fsp) == -1) {
1219 : /*
1220 : * No streams on non-real files/directories.
1221 : */
1222 0 : return NT_STATUS_OK;
1223 : }
1224 :
1225 2815 : return SMB_VFS_FSTREAMINFO(fsp,
1226 : mem_ctx,
1227 : num_streams,
1228 : streams);
1229 : }
1230 :
1231 24 : int vfs_fake_fd(void)
1232 : {
1233 : int pipe_fds[2];
1234 : int ret;
1235 :
1236 : /*
1237 : * Return a valid fd, but ensure any attempt to use
1238 : * it returns an error (EPIPE).
1239 : */
1240 24 : ret = pipe(pipe_fds);
1241 24 : if (ret != 0) {
1242 0 : return -1;
1243 : }
1244 :
1245 24 : close(pipe_fds[1]);
1246 24 : return pipe_fds[0];
1247 : }
1248 :
1249 : /*
1250 : * This is just a helper to make
1251 : * users of vfs_fake_fd() more symmetric
1252 : */
1253 24 : int vfs_fake_fd_close(int fd)
1254 : {
1255 24 : return close(fd);
1256 : }
1257 :
1258 : /*
1259 : generate a file_id from a stat structure
1260 : */
1261 196879 : struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1262 : {
1263 196879 : return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1264 : }
1265 :
1266 1844 : NTSTATUS vfs_at_fspcwd(TALLOC_CTX *mem_ctx,
1267 : struct connection_struct *conn,
1268 : struct files_struct **_fsp)
1269 : {
1270 1844 : struct files_struct *fsp = NULL;
1271 :
1272 1844 : fsp = talloc_zero(mem_ctx, struct files_struct);
1273 1844 : if (fsp == NULL) {
1274 0 : return NT_STATUS_NO_MEMORY;
1275 : }
1276 :
1277 1844 : fsp->fsp_name = synthetic_smb_fname(fsp, ".", NULL, NULL, 0, 0);
1278 1844 : if (fsp->fsp_name == NULL) {
1279 0 : TALLOC_FREE(fsp);
1280 0 : return NT_STATUS_NO_MEMORY;
1281 : }
1282 :
1283 1844 : fsp->fh = fd_handle_create(fsp);
1284 1844 : if (fsp->fh == NULL) {
1285 0 : TALLOC_FREE(fsp);
1286 0 : return NT_STATUS_NO_MEMORY;
1287 : }
1288 :
1289 1844 : fsp_set_fd(fsp, AT_FDCWD);
1290 1844 : fsp->fnum = FNUM_FIELD_INVALID;
1291 1844 : fsp->conn = conn;
1292 :
1293 1844 : *_fsp = fsp;
1294 1844 : return NT_STATUS_OK;
1295 : }
1296 :
1297 31883 : NTSTATUS vfs_fget_dos_attributes(struct files_struct *fsp,
1298 : uint32_t *dosmode)
1299 : {
1300 : NTSTATUS status;
1301 :
1302 : /*
1303 : * First make sure to pass the base_fsp to the VFS
1304 : */
1305 31883 : status = SMB_VFS_FGET_DOS_ATTRIBUTES(
1306 : fsp->conn, metadata_fsp(fsp), dosmode);
1307 31883 : if (!NT_STATUS_IS_OK(status)) {
1308 20148 : return status;
1309 : }
1310 :
1311 : /*
1312 : * If this isn't a stream fsp we're done, ...
1313 : */
1314 11735 : if (!fsp_is_alternate_stream(fsp)) {
1315 11595 : return NT_STATUS_OK;
1316 : }
1317 :
1318 : /*
1319 : * ...otherwise the VFS might have updated the btime, propagate the
1320 : * btime from the base_fsp to the stream fsp.
1321 : */
1322 :
1323 140 : if (fsp->base_fsp->fsp_name->st.st_ex_iflags & ST_EX_IFLAG_CALCULATED_BTIME) {
1324 : /*
1325 : * Not a value from backend storage, ignore it
1326 : */
1327 0 : return NT_STATUS_OK;
1328 : }
1329 :
1330 140 : update_stat_ex_create_time(&fsp->fsp_name->st,
1331 140 : fsp->base_fsp->fsp_name->st.st_ex_btime);
1332 :
1333 140 : return NT_STATUS_OK;
1334 : }
1335 :
1336 : static struct smb_vfs_deny_state *smb_vfs_deny_global;
1337 :
1338 261 : void smb_vfs_assert_allowed(void)
1339 : {
1340 261 : if (unlikely(smb_vfs_deny_global != NULL)) {
1341 0 : DBG_ERR("Called with VFS denied by %s\n",
1342 : smb_vfs_deny_global->location);
1343 0 : smb_panic("Called with VFS denied!");
1344 : }
1345 261 : }
1346 :
1347 29405 : void _smb_vfs_deny_push(struct smb_vfs_deny_state *state, const char *location)
1348 : {
1349 29405 : SMB_ASSERT(smb_vfs_deny_global != state);
1350 :
1351 29405 : *state = (struct smb_vfs_deny_state) {
1352 : .parent = smb_vfs_deny_global,
1353 : .location = location,
1354 : };
1355 :
1356 29405 : smb_vfs_deny_global = state;
1357 29405 : }
1358 :
1359 29405 : void _smb_vfs_deny_pop(struct smb_vfs_deny_state *state, const char *location)
1360 : {
1361 29405 : SMB_ASSERT(smb_vfs_deny_global == state);
1362 :
1363 29405 : smb_vfs_deny_global = state->parent;
1364 :
1365 29405 : *state = (struct smb_vfs_deny_state) { .parent = NULL, };
1366 29405 : }
1367 :
1368 : #define VFS_FIND(__fn__) do { \
1369 : if (unlikely(smb_vfs_deny_global != NULL)) { \
1370 : DBG_ERR("Called with VFS denied by %s\n", \
1371 : smb_vfs_deny_global->location); \
1372 : smb_panic("Called with VFS denied!"); \
1373 : } \
1374 : while (handle->fns->__fn__##_fn==NULL) { \
1375 : handle = handle->next; \
1376 : } \
1377 : } while(0)
1378 :
1379 42399 : int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1380 : const char *service, const char *user)
1381 : {
1382 50365 : VFS_FIND(connect);
1383 42399 : return handle->fns->connect_fn(handle, service, user);
1384 : }
1385 :
1386 18505 : void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1387 : {
1388 50365 : VFS_FIND(disconnect);
1389 18505 : handle->fns->disconnect_fn(handle);
1390 18505 : }
1391 :
1392 741 : uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1393 : const struct smb_filename *smb_fname,
1394 : uint64_t *bsize,
1395 : uint64_t *dfree,
1396 : uint64_t *dsize)
1397 : {
1398 2433 : VFS_FIND(disk_free);
1399 741 : return handle->fns->disk_free_fn(handle, smb_fname,
1400 : bsize, dfree, dsize);
1401 : }
1402 :
1403 1482 : int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1404 : const struct smb_filename *smb_fname,
1405 : enum SMB_QUOTA_TYPE qtype,
1406 : unid_t id,
1407 : SMB_DISK_QUOTA *qt)
1408 : {
1409 4866 : VFS_FIND(get_quota);
1410 1482 : return handle->fns->get_quota_fn(handle, smb_fname, qtype, id, qt);
1411 : }
1412 :
1413 0 : int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1414 : enum SMB_QUOTA_TYPE qtype, unid_t id,
1415 : SMB_DISK_QUOTA *qt)
1416 : {
1417 0 : VFS_FIND(set_quota);
1418 0 : return handle->fns->set_quota_fn(handle, qtype, id, qt);
1419 : }
1420 :
1421 132 : int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1422 : struct files_struct *fsp,
1423 : struct shadow_copy_data *shadow_copy_data,
1424 : bool labels)
1425 : {
1426 308 : VFS_FIND(get_shadow_copy_data);
1427 132 : return handle->fns->get_shadow_copy_data_fn(handle, fsp,
1428 : shadow_copy_data,
1429 : labels);
1430 : }
1431 7401 : int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
1432 : const struct smb_filename *smb_fname,
1433 : struct vfs_statvfs_struct *statbuf)
1434 : {
1435 25207 : VFS_FIND(statvfs);
1436 7401 : return handle->fns->statvfs_fn(handle, smb_fname, statbuf);
1437 : }
1438 :
1439 11312 : uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1440 : enum timestamp_set_resolution *p_ts_res)
1441 : {
1442 25207 : VFS_FIND(fs_capabilities);
1443 11312 : return handle->fns->fs_capabilities_fn(handle, p_ts_res);
1444 : }
1445 :
1446 4785 : NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
1447 : struct dfs_GetDFSReferral *r)
1448 : {
1449 11429 : VFS_FIND(get_dfs_referrals);
1450 4785 : return handle->fns->get_dfs_referrals_fn(handle, r);
1451 : }
1452 :
1453 0 : NTSTATUS smb_vfs_call_create_dfs_pathat(struct vfs_handle_struct *handle,
1454 : struct files_struct *dirfsp,
1455 : const struct smb_filename *smb_fname,
1456 : const struct referral *reflist,
1457 : size_t referral_count)
1458 : {
1459 0 : VFS_FIND(create_dfs_pathat);
1460 0 : return handle->fns->create_dfs_pathat_fn(handle,
1461 : dirfsp,
1462 : smb_fname,
1463 : reflist,
1464 : referral_count);
1465 : }
1466 :
1467 33702 : NTSTATUS smb_vfs_call_read_dfs_pathat(struct vfs_handle_struct *handle,
1468 : TALLOC_CTX *mem_ctx,
1469 : struct files_struct *dirfsp,
1470 : struct smb_filename *smb_fname,
1471 : struct referral **ppreflist,
1472 : size_t *preferral_count)
1473 : {
1474 78638 : VFS_FIND(read_dfs_pathat);
1475 33702 : return handle->fns->read_dfs_pathat_fn(handle,
1476 : mem_ctx,
1477 : dirfsp,
1478 : smb_fname,
1479 : ppreflist,
1480 : preferral_count);
1481 : }
1482 :
1483 11001 : DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1484 : struct files_struct *fsp,
1485 : const char *mask,
1486 : uint32_t attributes)
1487 : {
1488 40612 : VFS_FIND(fdopendir);
1489 11001 : return handle->fns->fdopendir_fn(handle, fsp, mask, attributes);
1490 : }
1491 :
1492 72106 : struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1493 : struct files_struct *dirfsp,
1494 : DIR *dirp,
1495 : SMB_STRUCT_STAT *sbuf)
1496 : {
1497 221584 : VFS_FIND(readdir);
1498 72106 : return handle->fns->readdir_fn(handle, dirfsp, dirp, sbuf);
1499 : }
1500 :
1501 0 : void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
1502 : DIR *dirp, long offset)
1503 : {
1504 0 : VFS_FIND(seekdir);
1505 0 : handle->fns->seekdir_fn(handle, dirp, offset);
1506 0 : }
1507 :
1508 49639 : long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
1509 : DIR *dirp)
1510 : {
1511 131575 : VFS_FIND(telldir);
1512 49639 : return handle->fns->telldir_fn(handle, dirp);
1513 : }
1514 :
1515 0 : void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1516 : DIR *dirp)
1517 : {
1518 0 : VFS_FIND(rewind_dir);
1519 0 : handle->fns->rewind_dir_fn(handle, dirp);
1520 0 : }
1521 :
1522 2588 : int smb_vfs_call_mkdirat(struct vfs_handle_struct *handle,
1523 : struct files_struct *dirfsp,
1524 : const struct smb_filename *smb_fname,
1525 : mode_t mode)
1526 : {
1527 6816 : VFS_FIND(mkdirat);
1528 2588 : return handle->fns->mkdirat_fn(handle,
1529 : dirfsp,
1530 : smb_fname,
1531 : mode);
1532 : }
1533 :
1534 11001 : int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1535 : DIR *dir)
1536 : {
1537 40612 : VFS_FIND(closedir);
1538 11001 : return handle->fns->closedir_fn(handle, dir);
1539 : }
1540 :
1541 590897 : int smb_vfs_call_openat(struct vfs_handle_struct *handle,
1542 : const struct files_struct *dirfsp,
1543 : const struct smb_filename *smb_fname,
1544 : struct files_struct *fsp,
1545 : const struct vfs_open_how *how)
1546 : {
1547 961797 : VFS_FIND(openat);
1548 590897 : return handle->fns->openat_fn(handle,
1549 : dirfsp,
1550 : smb_fname,
1551 : fsp,
1552 : how);
1553 : }
1554 :
1555 28959 : NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1556 : struct smb_request *req,
1557 : struct files_struct *dirfsp,
1558 : struct smb_filename *smb_fname,
1559 : uint32_t access_mask,
1560 : uint32_t share_access,
1561 : uint32_t create_disposition,
1562 : uint32_t create_options,
1563 : uint32_t file_attributes,
1564 : uint32_t oplock_request,
1565 : const struct smb2_lease *lease,
1566 : uint64_t allocation_size,
1567 : uint32_t private_flags,
1568 : struct security_descriptor *sd,
1569 : struct ea_list *ea_list,
1570 : files_struct **result,
1571 : int *pinfo,
1572 : const struct smb2_create_blobs *in_context_blobs,
1573 : struct smb2_create_blobs *out_context_blobs)
1574 : {
1575 92207 : VFS_FIND(create_file);
1576 28959 : return handle->fns->create_file_fn(
1577 : handle, req, dirfsp, smb_fname,
1578 : access_mask, share_access, create_disposition, create_options,
1579 : file_attributes, oplock_request, lease, allocation_size,
1580 : private_flags, sd, ea_list,
1581 : result, pinfo, in_context_blobs, out_context_blobs);
1582 : }
1583 :
1584 165732 : int smb_vfs_call_close(struct vfs_handle_struct *handle,
1585 : struct files_struct *fsp)
1586 : {
1587 577103 : VFS_FIND(close);
1588 165732 : return handle->fns->close_fn(handle, fsp);
1589 : }
1590 :
1591 0 : ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1592 : struct files_struct *fsp, void *data, size_t n,
1593 : off_t offset)
1594 : {
1595 0 : VFS_FIND(pread);
1596 0 : return handle->fns->pread_fn(handle, fsp, data, n, offset);
1597 : }
1598 :
1599 : struct smb_vfs_call_pread_state {
1600 : ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1601 : ssize_t retval;
1602 : struct vfs_aio_state vfs_aio_state;
1603 : };
1604 :
1605 : static void smb_vfs_call_pread_done(struct tevent_req *subreq);
1606 :
1607 414 : struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1608 : TALLOC_CTX *mem_ctx,
1609 : struct tevent_context *ev,
1610 : struct files_struct *fsp,
1611 : void *data,
1612 : size_t n, off_t offset)
1613 : {
1614 : struct tevent_req *req, *subreq;
1615 : struct smb_vfs_call_pread_state *state;
1616 :
1617 414 : req = tevent_req_create(mem_ctx, &state,
1618 : struct smb_vfs_call_pread_state);
1619 414 : if (req == NULL) {
1620 0 : return NULL;
1621 : }
1622 2275 : VFS_FIND(pread_send);
1623 414 : state->recv_fn = handle->fns->pread_recv_fn;
1624 :
1625 414 : subreq = handle->fns->pread_send_fn(handle, state, ev, fsp, data, n,
1626 : offset);
1627 414 : if (tevent_req_nomem(subreq, req)) {
1628 0 : return tevent_req_post(req, ev);
1629 : }
1630 414 : tevent_req_set_callback(subreq, smb_vfs_call_pread_done, req);
1631 414 : return req;
1632 : }
1633 :
1634 414 : static void smb_vfs_call_pread_done(struct tevent_req *subreq)
1635 : {
1636 414 : struct tevent_req *req = tevent_req_callback_data(
1637 : subreq, struct tevent_req);
1638 414 : struct smb_vfs_call_pread_state *state = tevent_req_data(
1639 : req, struct smb_vfs_call_pread_state);
1640 :
1641 414 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1642 414 : TALLOC_FREE(subreq);
1643 414 : if (state->retval == -1) {
1644 0 : tevent_req_error(req, state->vfs_aio_state.error);
1645 0 : return;
1646 : }
1647 414 : tevent_req_done(req);
1648 : }
1649 :
1650 414 : ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req,
1651 : struct vfs_aio_state *vfs_aio_state)
1652 : {
1653 414 : struct smb_vfs_call_pread_state *state = tevent_req_data(
1654 : req, struct smb_vfs_call_pread_state);
1655 : ssize_t retval;
1656 :
1657 414 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1658 0 : tevent_req_received(req);
1659 0 : return -1;
1660 : }
1661 414 : *vfs_aio_state = state->vfs_aio_state;
1662 414 : retval = state->retval;
1663 414 : tevent_req_received(req);
1664 414 : return retval;
1665 : }
1666 :
1667 64 : ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1668 : struct files_struct *fsp, const void *data,
1669 : size_t n, off_t offset)
1670 : {
1671 144 : VFS_FIND(pwrite);
1672 64 : return handle->fns->pwrite_fn(handle, fsp, data, n, offset);
1673 : }
1674 :
1675 : struct smb_vfs_call_pwrite_state {
1676 : ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1677 : ssize_t retval;
1678 : struct vfs_aio_state vfs_aio_state;
1679 : };
1680 :
1681 : static void smb_vfs_call_pwrite_done(struct tevent_req *subreq);
1682 :
1683 524 : struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1684 : TALLOC_CTX *mem_ctx,
1685 : struct tevent_context *ev,
1686 : struct files_struct *fsp,
1687 : const void *data,
1688 : size_t n, off_t offset)
1689 : {
1690 : struct tevent_req *req, *subreq;
1691 : struct smb_vfs_call_pwrite_state *state;
1692 :
1693 524 : req = tevent_req_create(mem_ctx, &state,
1694 : struct smb_vfs_call_pwrite_state);
1695 524 : if (req == NULL) {
1696 0 : return NULL;
1697 : }
1698 2605 : VFS_FIND(pwrite_send);
1699 524 : state->recv_fn = handle->fns->pwrite_recv_fn;
1700 :
1701 524 : subreq = handle->fns->pwrite_send_fn(handle, state, ev, fsp, data, n,
1702 : offset);
1703 524 : if (tevent_req_nomem(subreq, req)) {
1704 0 : return tevent_req_post(req, ev);
1705 : }
1706 524 : tevent_req_set_callback(subreq, smb_vfs_call_pwrite_done, req);
1707 524 : return req;
1708 : }
1709 :
1710 524 : static void smb_vfs_call_pwrite_done(struct tevent_req *subreq)
1711 : {
1712 524 : struct tevent_req *req = tevent_req_callback_data(
1713 : subreq, struct tevent_req);
1714 524 : struct smb_vfs_call_pwrite_state *state = tevent_req_data(
1715 : req, struct smb_vfs_call_pwrite_state);
1716 :
1717 524 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1718 524 : TALLOC_FREE(subreq);
1719 524 : if (state->retval == -1) {
1720 0 : tevent_req_error(req, state->vfs_aio_state.error);
1721 0 : return;
1722 : }
1723 524 : tevent_req_done(req);
1724 : }
1725 :
1726 524 : ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req,
1727 : struct vfs_aio_state *vfs_aio_state)
1728 : {
1729 524 : struct smb_vfs_call_pwrite_state *state = tevent_req_data(
1730 : req, struct smb_vfs_call_pwrite_state);
1731 : ssize_t retval;
1732 :
1733 524 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1734 0 : tevent_req_received(req);
1735 0 : return -1;
1736 : }
1737 524 : *vfs_aio_state = state->vfs_aio_state;
1738 524 : retval = state->retval;
1739 524 : tevent_req_received(req);
1740 524 : return retval;
1741 : }
1742 :
1743 0 : off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1744 : struct files_struct *fsp, off_t offset,
1745 : int whence)
1746 : {
1747 0 : VFS_FIND(lseek);
1748 0 : return handle->fns->lseek_fn(handle, fsp, offset, whence);
1749 : }
1750 :
1751 0 : ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1752 : files_struct *fromfsp, const DATA_BLOB *header,
1753 : off_t offset, size_t count)
1754 : {
1755 0 : VFS_FIND(sendfile);
1756 0 : return handle->fns->sendfile_fn(handle, tofd, fromfsp, header, offset,
1757 : count);
1758 : }
1759 :
1760 0 : ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1761 : files_struct *tofsp, off_t offset,
1762 : size_t count)
1763 : {
1764 0 : VFS_FIND(recvfile);
1765 0 : return handle->fns->recvfile_fn(handle, fromfd, tofsp, offset, count);
1766 : }
1767 :
1768 80 : int smb_vfs_call_renameat(struct vfs_handle_struct *handle,
1769 : files_struct *srcfsp,
1770 : const struct smb_filename *smb_fname_src,
1771 : files_struct *dstfsp,
1772 : const struct smb_filename *smb_fname_dst)
1773 : {
1774 140 : VFS_FIND(renameat);
1775 80 : return handle->fns->renameat_fn(handle,
1776 : srcfsp,
1777 : smb_fname_src,
1778 : dstfsp,
1779 : smb_fname_dst);
1780 : }
1781 :
1782 : struct smb_vfs_call_fsync_state {
1783 : int (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1784 : int retval;
1785 : struct vfs_aio_state vfs_aio_state;
1786 : };
1787 :
1788 : static void smb_vfs_call_fsync_done(struct tevent_req *subreq);
1789 :
1790 0 : struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1791 : TALLOC_CTX *mem_ctx,
1792 : struct tevent_context *ev,
1793 : struct files_struct *fsp)
1794 : {
1795 : struct tevent_req *req, *subreq;
1796 : struct smb_vfs_call_fsync_state *state;
1797 :
1798 0 : req = tevent_req_create(mem_ctx, &state,
1799 : struct smb_vfs_call_fsync_state);
1800 0 : if (req == NULL) {
1801 0 : return NULL;
1802 : }
1803 0 : VFS_FIND(fsync_send);
1804 0 : state->recv_fn = handle->fns->fsync_recv_fn;
1805 :
1806 0 : subreq = handle->fns->fsync_send_fn(handle, state, ev, fsp);
1807 0 : if (tevent_req_nomem(subreq, req)) {
1808 0 : return tevent_req_post(req, ev);
1809 : }
1810 0 : tevent_req_set_callback(subreq, smb_vfs_call_fsync_done, req);
1811 0 : return req;
1812 : }
1813 :
1814 0 : static void smb_vfs_call_fsync_done(struct tevent_req *subreq)
1815 : {
1816 0 : struct tevent_req *req = tevent_req_callback_data(
1817 : subreq, struct tevent_req);
1818 0 : struct smb_vfs_call_fsync_state *state = tevent_req_data(
1819 : req, struct smb_vfs_call_fsync_state);
1820 :
1821 0 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1822 0 : TALLOC_FREE(subreq);
1823 0 : if (state->retval == -1) {
1824 0 : tevent_req_error(req, state->vfs_aio_state.error);
1825 0 : return;
1826 : }
1827 0 : tevent_req_done(req);
1828 : }
1829 :
1830 0 : int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state)
1831 : {
1832 0 : struct smb_vfs_call_fsync_state *state = tevent_req_data(
1833 : req, struct smb_vfs_call_fsync_state);
1834 : ssize_t retval;
1835 :
1836 0 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1837 0 : tevent_req_received(req);
1838 0 : return -1;
1839 : }
1840 0 : *vfs_aio_state = state->vfs_aio_state;
1841 0 : retval = state->retval;
1842 0 : tevent_req_received(req);
1843 0 : return retval;
1844 : }
1845 :
1846 : /*
1847 : * Synchronous version of fsync, built from backend
1848 : * async VFS primitives. Uses a temporary sub-event
1849 : * context (NOT NESTED).
1850 : */
1851 :
1852 0 : int smb_vfs_fsync_sync(files_struct *fsp)
1853 : {
1854 0 : TALLOC_CTX *frame = talloc_stackframe();
1855 0 : struct tevent_req *req = NULL;
1856 0 : struct vfs_aio_state aio_state = { 0 };
1857 0 : int ret = -1;
1858 : bool ok;
1859 0 : struct tevent_context *ev = samba_tevent_context_init(frame);
1860 :
1861 0 : if (ev == NULL) {
1862 0 : goto out;
1863 : }
1864 :
1865 0 : req = SMB_VFS_FSYNC_SEND(talloc_tos(), ev, fsp);
1866 0 : if (req == NULL) {
1867 0 : goto out;
1868 : }
1869 :
1870 0 : ok = tevent_req_poll(req, ev);
1871 0 : if (!ok) {
1872 0 : goto out;
1873 : }
1874 :
1875 0 : ret = SMB_VFS_FSYNC_RECV(req, &aio_state);
1876 :
1877 0 : out:
1878 :
1879 0 : TALLOC_FREE(frame);
1880 0 : if (aio_state.error != 0) {
1881 0 : errno = aio_state.error;
1882 : }
1883 0 : return ret;
1884 : }
1885 :
1886 503260 : int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1887 : struct smb_filename *smb_fname)
1888 : {
1889 853719 : VFS_FIND(stat);
1890 503260 : return handle->fns->stat_fn(handle, smb_fname);
1891 : }
1892 :
1893 1088168 : int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1894 : struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1895 : {
1896 1951859 : VFS_FIND(fstat);
1897 1088168 : return handle->fns->fstat_fn(handle, fsp, sbuf);
1898 : }
1899 :
1900 2647 : int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1901 : struct smb_filename *smb_filename)
1902 : {
1903 4981 : VFS_FIND(lstat);
1904 2647 : return handle->fns->lstat_fn(handle, smb_filename);
1905 : }
1906 :
1907 1330 : int smb_vfs_call_fstatat(
1908 : struct vfs_handle_struct *handle,
1909 : const struct files_struct *dirfsp,
1910 : const struct smb_filename *smb_fname,
1911 : SMB_STRUCT_STAT *sbuf,
1912 : int flags)
1913 : {
1914 2419 : VFS_FIND(fstatat);
1915 1330 : return handle->fns->fstatat_fn(handle, dirfsp, smb_fname, sbuf, flags);
1916 : }
1917 :
1918 56370 : uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1919 : struct files_struct *fsp,
1920 : const SMB_STRUCT_STAT *sbuf)
1921 : {
1922 189557 : VFS_FIND(get_alloc_size);
1923 56370 : return handle->fns->get_alloc_size_fn(handle, fsp, sbuf);
1924 : }
1925 :
1926 6202 : int smb_vfs_call_unlinkat(struct vfs_handle_struct *handle,
1927 : struct files_struct *dirfsp,
1928 : const struct smb_filename *smb_fname,
1929 : int flags)
1930 : {
1931 8635 : VFS_FIND(unlinkat);
1932 6202 : return handle->fns->unlinkat_fn(handle,
1933 : dirfsp,
1934 : smb_fname,
1935 : flags);
1936 : }
1937 :
1938 0 : int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1939 : struct files_struct *fsp, mode_t mode)
1940 : {
1941 0 : VFS_FIND(fchmod);
1942 0 : return handle->fns->fchmod_fn(handle, fsp, mode);
1943 : }
1944 :
1945 2729 : int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1946 : struct files_struct *fsp, uid_t uid, gid_t gid)
1947 : {
1948 7842 : VFS_FIND(fchown);
1949 2729 : return handle->fns->fchown_fn(handle, fsp, uid, gid);
1950 : }
1951 :
1952 0 : int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1953 : const struct smb_filename *smb_fname,
1954 : uid_t uid,
1955 : gid_t gid)
1956 : {
1957 0 : VFS_FIND(lchown);
1958 0 : return handle->fns->lchown_fn(handle, smb_fname, uid, gid);
1959 : }
1960 :
1961 87446 : int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
1962 : const struct smb_filename *smb_fname)
1963 : {
1964 331313 : VFS_FIND(chdir);
1965 87446 : return handle->fns->chdir_fn(handle, smb_fname);
1966 : }
1967 :
1968 19106 : struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
1969 : TALLOC_CTX *ctx)
1970 : {
1971 78627 : VFS_FIND(getwd);
1972 19106 : return handle->fns->getwd_fn(handle, ctx);
1973 : }
1974 :
1975 728 : int smb_vfs_call_fntimes(struct vfs_handle_struct *handle,
1976 : struct files_struct *fsp,
1977 : struct smb_file_time *ft)
1978 : {
1979 3089 : VFS_FIND(fntimes);
1980 728 : return handle->fns->fntimes_fn(handle, fsp, ft);
1981 : }
1982 :
1983 100 : int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1984 : struct files_struct *fsp, off_t offset)
1985 : {
1986 446 : VFS_FIND(ftruncate);
1987 100 : return handle->fns->ftruncate_fn(handle, fsp, offset);
1988 : }
1989 :
1990 0 : int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1991 : struct files_struct *fsp,
1992 : uint32_t mode,
1993 : off_t offset,
1994 : off_t len)
1995 : {
1996 0 : VFS_FIND(fallocate);
1997 0 : return handle->fns->fallocate_fn(handle, fsp, mode, offset, len);
1998 : }
1999 :
2000 0 : int smb_vfs_call_filesystem_sharemode(struct vfs_handle_struct *handle,
2001 : struct files_struct *fsp,
2002 : uint32_t share_mode,
2003 : uint32_t access_mask)
2004 : {
2005 0 : VFS_FIND(filesystem_sharemode);
2006 0 : return handle->fns->filesystem_sharemode_fn(handle,
2007 : fsp,
2008 : share_mode,
2009 : access_mask);
2010 : }
2011 :
2012 3640 : int smb_vfs_call_fcntl(struct vfs_handle_struct *handle,
2013 : struct files_struct *fsp, int cmd, ...)
2014 : {
2015 : int result;
2016 : va_list cmd_arg;
2017 :
2018 14948 : VFS_FIND(fcntl);
2019 :
2020 3640 : va_start(cmd_arg, cmd);
2021 3640 : result = handle->fns->fcntl_fn(handle, fsp, cmd, cmd_arg);
2022 3640 : va_end(cmd_arg);
2023 :
2024 3640 : return result;
2025 : }
2026 :
2027 0 : int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
2028 : struct files_struct *fsp, int leasetype)
2029 : {
2030 0 : VFS_FIND(linux_setlease);
2031 0 : return handle->fns->linux_setlease_fn(handle, fsp, leasetype);
2032 : }
2033 :
2034 0 : int smb_vfs_call_symlinkat(struct vfs_handle_struct *handle,
2035 : const struct smb_filename *link_target,
2036 : struct files_struct *dirfsp,
2037 : const struct smb_filename *new_smb_fname)
2038 : {
2039 0 : VFS_FIND(symlinkat);
2040 0 : return handle->fns->symlinkat_fn(handle,
2041 : link_target,
2042 : dirfsp,
2043 : new_smb_fname);
2044 : }
2045 :
2046 44358 : int smb_vfs_call_readlinkat(struct vfs_handle_struct *handle,
2047 : const struct files_struct *dirfsp,
2048 : const struct smb_filename *smb_fname,
2049 : char *buf,
2050 : size_t bufsiz)
2051 : {
2052 103502 : VFS_FIND(readlinkat);
2053 44358 : return handle->fns->readlinkat_fn(handle,
2054 : dirfsp,
2055 : smb_fname,
2056 : buf,
2057 : bufsiz);
2058 : }
2059 :
2060 12 : int smb_vfs_call_linkat(struct vfs_handle_struct *handle,
2061 : struct files_struct *srcfsp,
2062 : const struct smb_filename *old_smb_fname,
2063 : struct files_struct *dstfsp,
2064 : const struct smb_filename *new_smb_fname,
2065 : int flags)
2066 : {
2067 28 : VFS_FIND(linkat);
2068 12 : return handle->fns->linkat_fn(handle,
2069 : srcfsp,
2070 : old_smb_fname,
2071 : dstfsp,
2072 : new_smb_fname,
2073 : flags);
2074 : }
2075 :
2076 0 : int smb_vfs_call_mknodat(struct vfs_handle_struct *handle,
2077 : struct files_struct *dirfsp,
2078 : const struct smb_filename *smb_fname,
2079 : mode_t mode,
2080 : SMB_DEV_T dev)
2081 : {
2082 0 : VFS_FIND(mknodat);
2083 0 : return handle->fns->mknodat_fn(handle,
2084 : dirfsp,
2085 : smb_fname,
2086 : mode,
2087 : dev);
2088 : }
2089 :
2090 180940 : struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
2091 : TALLOC_CTX *ctx,
2092 : const struct smb_filename *smb_fname)
2093 : {
2094 655205 : VFS_FIND(realpath);
2095 180940 : return handle->fns->realpath_fn(handle, ctx, smb_fname);
2096 : }
2097 :
2098 0 : int smb_vfs_call_fchflags(struct vfs_handle_struct *handle,
2099 : struct files_struct *fsp,
2100 : unsigned int flags)
2101 : {
2102 0 : VFS_FIND(fchflags);
2103 0 : return handle->fns->fchflags_fn(handle, fsp, flags);
2104 : }
2105 :
2106 1092198 : struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
2107 : const SMB_STRUCT_STAT *sbuf)
2108 : {
2109 2443847 : VFS_FIND(file_id_create);
2110 1092198 : return handle->fns->file_id_create_fn(handle, sbuf);
2111 : }
2112 :
2113 23108 : uint64_t smb_vfs_call_fs_file_id(struct vfs_handle_struct *handle,
2114 : const SMB_STRUCT_STAT *sbuf)
2115 : {
2116 75015 : VFS_FIND(fs_file_id);
2117 23108 : return handle->fns->fs_file_id_fn(handle, sbuf);
2118 : }
2119 :
2120 6900 : NTSTATUS smb_vfs_call_fstreaminfo(struct vfs_handle_struct *handle,
2121 : struct files_struct *fsp,
2122 : TALLOC_CTX *mem_ctx,
2123 : unsigned int *num_streams,
2124 : struct stream_struct **streams)
2125 : {
2126 17489 : VFS_FIND(fstreaminfo);
2127 6900 : return handle->fns->fstreaminfo_fn(handle, fsp, mem_ctx,
2128 : num_streams, streams);
2129 : }
2130 :
2131 6277 : NTSTATUS smb_vfs_call_get_real_filename_at(struct vfs_handle_struct *handle,
2132 : struct files_struct *dirfsp,
2133 : const char *name,
2134 : TALLOC_CTX *mem_ctx,
2135 : char **found_name)
2136 : {
2137 21820 : VFS_FIND(get_real_filename_at);
2138 6277 : return handle->fns->get_real_filename_at_fn(
2139 : handle, dirfsp, name, mem_ctx, found_name);
2140 : }
2141 :
2142 218876 : const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
2143 : const struct files_struct *dirfsp,
2144 : const struct smb_filename *smb_fname)
2145 : {
2146 765927 : VFS_FIND(connectpath);
2147 218876 : return handle->fns->connectpath_fn(handle, dirfsp, smb_fname);
2148 : }
2149 :
2150 1002 : bool smb_vfs_call_strict_lock_check(struct vfs_handle_struct *handle,
2151 : struct files_struct *fsp,
2152 : struct lock_struct *plock)
2153 : {
2154 5024 : VFS_FIND(strict_lock_check);
2155 1002 : return handle->fns->strict_lock_check_fn(handle, fsp, plock);
2156 : }
2157 :
2158 64641 : NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
2159 : const char *name,
2160 : enum vfs_translate_direction direction,
2161 : TALLOC_CTX *mem_ctx,
2162 : char **mapped_name)
2163 : {
2164 191637 : VFS_FIND(translate_name);
2165 64641 : return handle->fns->translate_name_fn(handle, name, direction, mem_ctx,
2166 : mapped_name);
2167 : }
2168 :
2169 192411 : NTSTATUS smb_vfs_call_parent_pathname(struct vfs_handle_struct *handle,
2170 : TALLOC_CTX *mem_ctx,
2171 : const struct smb_filename *smb_fname_in,
2172 : struct smb_filename **parent_dir_out,
2173 : struct smb_filename **atname_out)
2174 : {
2175 678625 : VFS_FIND(parent_pathname);
2176 192411 : return handle->fns->parent_pathname_fn(handle,
2177 : mem_ctx,
2178 : smb_fname_in,
2179 : parent_dir_out,
2180 : atname_out);
2181 : }
2182 :
2183 144 : NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
2184 : struct files_struct *fsp,
2185 : TALLOC_CTX *ctx,
2186 : uint32_t function,
2187 : uint16_t req_flags,
2188 : const uint8_t *in_data,
2189 : uint32_t in_len,
2190 : uint8_t **out_data,
2191 : uint32_t max_out_len,
2192 : uint32_t *out_len)
2193 : {
2194 336 : VFS_FIND(fsctl);
2195 144 : return handle->fns->fsctl_fn(handle, fsp, ctx, function, req_flags,
2196 : in_data, in_len, out_data, max_out_len,
2197 : out_len);
2198 : }
2199 :
2200 68829 : NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
2201 : struct files_struct *fsp,
2202 : uint32_t *dosmode)
2203 : {
2204 209291 : VFS_FIND(fget_dos_attributes);
2205 68829 : return handle->fns->fget_dos_attributes_fn(handle, fsp, dosmode);
2206 : }
2207 :
2208 2311 : NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
2209 : struct files_struct *fsp,
2210 : uint32_t dosmode)
2211 : {
2212 9243 : VFS_FIND(fset_dos_attributes);
2213 2311 : return handle->fns->fset_dos_attributes_fn(handle, fsp, dosmode);
2214 : }
2215 :
2216 0 : struct tevent_req *smb_vfs_call_offload_read_send(TALLOC_CTX *mem_ctx,
2217 : struct tevent_context *ev,
2218 : struct vfs_handle_struct *handle,
2219 : struct files_struct *fsp,
2220 : uint32_t fsctl,
2221 : uint32_t ttl,
2222 : off_t offset,
2223 : size_t to_copy)
2224 : {
2225 0 : VFS_FIND(offload_read_send);
2226 0 : return handle->fns->offload_read_send_fn(mem_ctx, ev, handle,
2227 : fsp, fsctl,
2228 : ttl, offset, to_copy);
2229 : }
2230 :
2231 0 : NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
2232 : struct vfs_handle_struct *handle,
2233 : TALLOC_CTX *mem_ctx,
2234 : uint32_t *flags,
2235 : uint64_t *xferlen,
2236 : DATA_BLOB *token_blob)
2237 : {
2238 0 : VFS_FIND(offload_read_recv);
2239 0 : return handle->fns->offload_read_recv_fn(req, handle, mem_ctx, flags, xferlen, token_blob);
2240 : }
2241 :
2242 0 : struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
2243 : TALLOC_CTX *mem_ctx,
2244 : struct tevent_context *ev,
2245 : uint32_t fsctl,
2246 : DATA_BLOB *token,
2247 : off_t transfer_offset,
2248 : struct files_struct *dest_fsp,
2249 : off_t dest_off,
2250 : off_t num)
2251 : {
2252 0 : VFS_FIND(offload_write_send);
2253 0 : return handle->fns->offload_write_send_fn(handle, mem_ctx, ev, fsctl,
2254 : token, transfer_offset,
2255 : dest_fsp, dest_off, num);
2256 : }
2257 :
2258 0 : NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
2259 : struct tevent_req *req,
2260 : off_t *copied)
2261 : {
2262 0 : VFS_FIND(offload_write_recv);
2263 0 : return handle->fns->offload_write_recv_fn(handle, req, copied);
2264 : }
2265 :
2266 : struct smb_vfs_call_get_dos_attributes_state {
2267 : files_struct *dir_fsp;
2268 : NTSTATUS (*recv_fn)(struct tevent_req *req,
2269 : struct vfs_aio_state *aio_state,
2270 : uint32_t *dosmode);
2271 : struct vfs_aio_state aio_state;
2272 : uint32_t dos_attributes;
2273 : };
2274 :
2275 : static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq);
2276 :
2277 0 : struct tevent_req *smb_vfs_call_get_dos_attributes_send(
2278 : TALLOC_CTX *mem_ctx,
2279 : struct tevent_context *ev,
2280 : struct vfs_handle_struct *handle,
2281 : files_struct *dir_fsp,
2282 : struct smb_filename *smb_fname)
2283 : {
2284 0 : struct tevent_req *req = NULL;
2285 0 : struct smb_vfs_call_get_dos_attributes_state *state = NULL;
2286 0 : struct tevent_req *subreq = NULL;
2287 :
2288 0 : req = tevent_req_create(mem_ctx, &state,
2289 : struct smb_vfs_call_get_dos_attributes_state);
2290 0 : if (req == NULL) {
2291 0 : return NULL;
2292 : }
2293 :
2294 0 : VFS_FIND(get_dos_attributes_send);
2295 :
2296 0 : *state = (struct smb_vfs_call_get_dos_attributes_state) {
2297 : .dir_fsp = dir_fsp,
2298 0 : .recv_fn = handle->fns->get_dos_attributes_recv_fn,
2299 : };
2300 :
2301 0 : subreq = handle->fns->get_dos_attributes_send_fn(mem_ctx,
2302 : ev,
2303 : handle,
2304 : dir_fsp,
2305 : smb_fname);
2306 0 : if (tevent_req_nomem(subreq, req)) {
2307 0 : return tevent_req_post(req, ev);
2308 : }
2309 0 : tevent_req_defer_callback(req, ev);
2310 :
2311 0 : tevent_req_set_callback(subreq,
2312 : smb_vfs_call_get_dos_attributes_done,
2313 : req);
2314 :
2315 0 : return req;
2316 : }
2317 :
2318 0 : static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq)
2319 : {
2320 : struct tevent_req *req =
2321 0 : tevent_req_callback_data(subreq,
2322 : struct tevent_req);
2323 : struct smb_vfs_call_get_dos_attributes_state *state =
2324 0 : tevent_req_data(req,
2325 : struct smb_vfs_call_get_dos_attributes_state);
2326 : NTSTATUS status;
2327 : bool ok;
2328 :
2329 : /*
2330 : * Make sure we run as the user again
2331 : */
2332 0 : ok = change_to_user_and_service_by_fsp(state->dir_fsp);
2333 0 : SMB_ASSERT(ok);
2334 :
2335 0 : status = state->recv_fn(subreq,
2336 : &state->aio_state,
2337 : &state->dos_attributes);
2338 0 : TALLOC_FREE(subreq);
2339 0 : if (tevent_req_nterror(req, status)) {
2340 0 : return;
2341 : }
2342 :
2343 0 : tevent_req_done(req);
2344 : }
2345 :
2346 0 : NTSTATUS smb_vfs_call_get_dos_attributes_recv(
2347 : struct tevent_req *req,
2348 : struct vfs_aio_state *aio_state,
2349 : uint32_t *dos_attributes)
2350 : {
2351 : struct smb_vfs_call_get_dos_attributes_state *state =
2352 0 : tevent_req_data(req,
2353 : struct smb_vfs_call_get_dos_attributes_state);
2354 : NTSTATUS status;
2355 :
2356 0 : if (tevent_req_is_nterror(req, &status)) {
2357 0 : tevent_req_received(req);
2358 0 : return status;
2359 : }
2360 :
2361 0 : *aio_state = state->aio_state;
2362 0 : *dos_attributes = state->dos_attributes;
2363 0 : tevent_req_received(req);
2364 0 : return NT_STATUS_OK;
2365 : }
2366 :
2367 0 : NTSTATUS smb_vfs_call_fget_compression(vfs_handle_struct *handle,
2368 : TALLOC_CTX *mem_ctx,
2369 : struct files_struct *fsp,
2370 : uint16_t *_compression_fmt)
2371 : {
2372 0 : VFS_FIND(fget_compression);
2373 0 : return handle->fns->fget_compression_fn(handle, mem_ctx, fsp,
2374 : _compression_fmt);
2375 : }
2376 :
2377 0 : NTSTATUS smb_vfs_call_set_compression(vfs_handle_struct *handle,
2378 : TALLOC_CTX *mem_ctx,
2379 : struct files_struct *fsp,
2380 : uint16_t compression_fmt)
2381 : {
2382 0 : VFS_FIND(set_compression);
2383 0 : return handle->fns->set_compression_fn(handle, mem_ctx, fsp,
2384 : compression_fmt);
2385 : }
2386 :
2387 0 : NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
2388 : TALLOC_CTX *mem_ctx,
2389 : const char *service_path,
2390 : char **base_volume)
2391 : {
2392 0 : VFS_FIND(snap_check_path);
2393 0 : return handle->fns->snap_check_path_fn(handle, mem_ctx, service_path,
2394 : base_volume);
2395 : }
2396 :
2397 0 : NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
2398 : TALLOC_CTX *mem_ctx,
2399 : const char *base_volume,
2400 : time_t *tstamp,
2401 : bool rw,
2402 : char **base_path,
2403 : char **snap_path)
2404 : {
2405 0 : VFS_FIND(snap_create);
2406 0 : return handle->fns->snap_create_fn(handle, mem_ctx, base_volume, tstamp,
2407 : rw, base_path, snap_path);
2408 : }
2409 :
2410 0 : NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
2411 : TALLOC_CTX *mem_ctx,
2412 : char *base_path,
2413 : char *snap_path)
2414 : {
2415 0 : VFS_FIND(snap_delete);
2416 0 : return handle->fns->snap_delete_fn(handle, mem_ctx, base_path,
2417 : snap_path);
2418 : }
2419 :
2420 17483 : NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
2421 : struct files_struct *fsp,
2422 : uint32_t security_info,
2423 : TALLOC_CTX *mem_ctx,
2424 : struct security_descriptor **ppdesc)
2425 : {
2426 40508 : VFS_FIND(fget_nt_acl);
2427 17483 : return handle->fns->fget_nt_acl_fn(handle, fsp, security_info,
2428 : mem_ctx, ppdesc);
2429 : }
2430 :
2431 5464 : NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
2432 : struct files_struct *fsp,
2433 : uint32_t security_info_sent,
2434 : const struct security_descriptor *psd)
2435 : {
2436 14642 : VFS_FIND(fset_nt_acl);
2437 5464 : return handle->fns->fset_nt_acl_fn(handle, fsp, security_info_sent,
2438 : psd);
2439 : }
2440 :
2441 0 : NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
2442 : struct smb_filename *file,
2443 : struct security_acl *sacl,
2444 : uint32_t access_requested,
2445 : uint32_t access_denied)
2446 : {
2447 0 : VFS_FIND(audit_file);
2448 0 : return handle->fns->audit_file_fn(handle,
2449 : file,
2450 : sacl,
2451 : access_requested,
2452 : access_denied);
2453 : }
2454 :
2455 26364 : SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
2456 : struct files_struct *fsp,
2457 : SMB_ACL_TYPE_T type,
2458 : TALLOC_CTX *mem_ctx)
2459 : {
2460 46823 : VFS_FIND(sys_acl_get_fd);
2461 26364 : return handle->fns->sys_acl_get_fd_fn(handle, fsp, type, mem_ctx);
2462 : }
2463 :
2464 7875 : int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
2465 : struct files_struct *fsp,
2466 : TALLOC_CTX *mem_ctx,
2467 : char **blob_description,
2468 : DATA_BLOB *blob)
2469 : {
2470 7875 : VFS_FIND(sys_acl_blob_get_fd);
2471 7875 : return handle->fns->sys_acl_blob_get_fd_fn(handle, fsp, mem_ctx, blob_description, blob);
2472 : }
2473 :
2474 3436 : int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
2475 : struct files_struct *fsp,
2476 : SMB_ACL_TYPE_T type,
2477 : SMB_ACL_T theacl)
2478 : {
2479 4691 : VFS_FIND(sys_acl_set_fd);
2480 3436 : return handle->fns->sys_acl_set_fd_fn(handle, fsp, type, theacl);
2481 : }
2482 :
2483 5 : int smb_vfs_call_sys_acl_delete_def_fd(struct vfs_handle_struct *handle,
2484 : struct files_struct *fsp)
2485 : {
2486 10 : VFS_FIND(sys_acl_delete_def_fd);
2487 5 : return handle->fns->sys_acl_delete_def_fd_fn(handle, fsp);
2488 : }
2489 :
2490 : struct smb_vfs_call_getxattrat_state {
2491 : files_struct *dir_fsp;
2492 : ssize_t (*recv_fn)(struct tevent_req *req,
2493 : struct vfs_aio_state *aio_state,
2494 : TALLOC_CTX *mem_ctx,
2495 : uint8_t **xattr_value);
2496 : ssize_t retval;
2497 : uint8_t *xattr_value;
2498 : struct vfs_aio_state aio_state;
2499 : };
2500 :
2501 : static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq);
2502 :
2503 0 : struct tevent_req *smb_vfs_call_getxattrat_send(
2504 : TALLOC_CTX *mem_ctx,
2505 : struct tevent_context *ev,
2506 : struct vfs_handle_struct *handle,
2507 : files_struct *dir_fsp,
2508 : const struct smb_filename *smb_fname,
2509 : const char *xattr_name,
2510 : size_t alloc_hint)
2511 : {
2512 0 : struct tevent_req *req = NULL;
2513 0 : struct smb_vfs_call_getxattrat_state *state = NULL;
2514 0 : struct tevent_req *subreq = NULL;
2515 :
2516 0 : req = tevent_req_create(mem_ctx, &state,
2517 : struct smb_vfs_call_getxattrat_state);
2518 0 : if (req == NULL) {
2519 0 : return NULL;
2520 : }
2521 :
2522 0 : VFS_FIND(getxattrat_send);
2523 :
2524 0 : *state = (struct smb_vfs_call_getxattrat_state) {
2525 : .dir_fsp = dir_fsp,
2526 0 : .recv_fn = handle->fns->getxattrat_recv_fn,
2527 : };
2528 :
2529 0 : subreq = handle->fns->getxattrat_send_fn(mem_ctx,
2530 : ev,
2531 : handle,
2532 : dir_fsp,
2533 : smb_fname,
2534 : xattr_name,
2535 : alloc_hint);
2536 0 : if (tevent_req_nomem(subreq, req)) {
2537 0 : return tevent_req_post(req, ev);
2538 : }
2539 0 : tevent_req_defer_callback(req, ev);
2540 :
2541 0 : tevent_req_set_callback(subreq, smb_vfs_call_getxattrat_done, req);
2542 0 : return req;
2543 : }
2544 :
2545 0 : static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq)
2546 : {
2547 0 : struct tevent_req *req = tevent_req_callback_data(
2548 : subreq, struct tevent_req);
2549 0 : struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
2550 : req, struct smb_vfs_call_getxattrat_state);
2551 : bool ok;
2552 :
2553 : /*
2554 : * Make sure we run as the user again
2555 : */
2556 0 : ok = change_to_user_and_service_by_fsp(state->dir_fsp);
2557 0 : SMB_ASSERT(ok);
2558 :
2559 0 : state->retval = state->recv_fn(subreq,
2560 : &state->aio_state,
2561 : state,
2562 : &state->xattr_value);
2563 0 : TALLOC_FREE(subreq);
2564 0 : if (state->retval == -1) {
2565 0 : tevent_req_error(req, state->aio_state.error);
2566 0 : return;
2567 : }
2568 :
2569 0 : tevent_req_done(req);
2570 : }
2571 :
2572 0 : ssize_t smb_vfs_call_getxattrat_recv(struct tevent_req *req,
2573 : struct vfs_aio_state *aio_state,
2574 : TALLOC_CTX *mem_ctx,
2575 : uint8_t **xattr_value)
2576 : {
2577 0 : struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
2578 : req, struct smb_vfs_call_getxattrat_state);
2579 : size_t xattr_size;
2580 :
2581 0 : if (tevent_req_is_unix_error(req, &aio_state->error)) {
2582 0 : tevent_req_received(req);
2583 0 : return -1;
2584 : }
2585 :
2586 0 : *aio_state = state->aio_state;
2587 0 : xattr_size = state->retval;
2588 0 : if (xattr_value != NULL) {
2589 0 : *xattr_value = talloc_move(mem_ctx, &state->xattr_value);
2590 : }
2591 :
2592 0 : tevent_req_received(req);
2593 0 : return xattr_size;
2594 : }
2595 :
2596 437914 : ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
2597 : struct files_struct *fsp, const char *name,
2598 : void *value, size_t size)
2599 : {
2600 498742 : VFS_FIND(fgetxattr);
2601 437914 : return handle->fns->fgetxattr_fn(handle, fsp, name, value, size);
2602 : }
2603 :
2604 21330 : ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
2605 : struct files_struct *fsp, char *list,
2606 : size_t size)
2607 : {
2608 37458 : VFS_FIND(flistxattr);
2609 21330 : return handle->fns->flistxattr_fn(handle, fsp, list, size);
2610 : }
2611 :
2612 71 : int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
2613 : struct files_struct *fsp, const char *name)
2614 : {
2615 129 : VFS_FIND(fremovexattr);
2616 71 : return handle->fns->fremovexattr_fn(handle, fsp, name);
2617 : }
2618 :
2619 14234 : int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
2620 : struct files_struct *fsp, const char *name,
2621 : const void *value, size_t size, int flags)
2622 : {
2623 21177 : VFS_FIND(fsetxattr);
2624 14234 : return handle->fns->fsetxattr_fn(handle, fsp, name, value, size, flags);
2625 : }
2626 :
2627 0 : bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2628 : struct files_struct *fsp)
2629 : {
2630 0 : VFS_FIND(aio_force);
2631 0 : return handle->fns->aio_force_fn(handle, fsp);
2632 : }
2633 :
2634 0 : NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
2635 : struct files_struct *fsp,
2636 : TALLOC_CTX *mem_ctx,
2637 : DATA_BLOB *cookie)
2638 : {
2639 0 : VFS_FIND(durable_cookie);
2640 0 : return handle->fns->durable_cookie_fn(handle, fsp, mem_ctx, cookie);
2641 : }
2642 :
2643 0 : NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
2644 : struct files_struct *fsp,
2645 : const DATA_BLOB old_cookie,
2646 : TALLOC_CTX *mem_ctx,
2647 : DATA_BLOB *new_cookie)
2648 : {
2649 0 : VFS_FIND(durable_disconnect);
2650 0 : return handle->fns->durable_disconnect_fn(handle, fsp, old_cookie,
2651 : mem_ctx, new_cookie);
2652 : }
2653 :
2654 0 : NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
2655 : struct smb_request *smb1req,
2656 : struct smbXsrv_open *op,
2657 : const DATA_BLOB old_cookie,
2658 : TALLOC_CTX *mem_ctx,
2659 : struct files_struct **fsp,
2660 : DATA_BLOB *new_cookie)
2661 : {
2662 0 : VFS_FIND(durable_reconnect);
2663 0 : return handle->fns->durable_reconnect_fn(handle, smb1req, op,
2664 : old_cookie, mem_ctx, fsp,
2665 : new_cookie);
2666 : }
2667 :
2668 20177 : NTSTATUS smb_vfs_call_freaddir_attr(struct vfs_handle_struct *handle,
2669 : struct files_struct *fsp,
2670 : TALLOC_CTX *mem_ctx,
2671 : struct readdir_attr_data **attr_data)
2672 : {
2673 65827 : VFS_FIND(freaddir_attr);
2674 20177 : return handle->fns->freaddir_attr_fn(handle,
2675 : fsp,
2676 : mem_ctx,
2677 : attr_data);
2678 : }
2679 :
2680 30 : bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
2681 : struct files_struct *fsp, int op, off_t offset,
2682 : off_t count, int type)
2683 : {
2684 70 : VFS_FIND(lock);
2685 30 : return handle->fns->lock_fn(handle, fsp, op, offset, count, type);
2686 : }
2687 :
2688 998 : bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
2689 : struct files_struct *fsp, off_t *poffset,
2690 : off_t *pcount, int *ptype, pid_t *ppid)
2691 : {
2692 5020 : VFS_FIND(getlock);
2693 998 : return handle->fns->getlock_fn(handle, fsp, poffset, pcount, ptype,
2694 : ppid);
2695 : }
2696 :
2697 15 : NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
2698 : struct byte_range_lock *br_lck,
2699 : struct lock_struct *plock)
2700 : {
2701 35 : VFS_FIND(brl_lock_windows);
2702 15 : return handle->fns->brl_lock_windows_fn(handle, br_lck, plock);
2703 : }
2704 :
2705 27 : bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
2706 : struct byte_range_lock *br_lck,
2707 : const struct lock_struct *plock)
2708 : {
2709 63 : VFS_FIND(brl_unlock_windows);
2710 27 : return handle->fns->brl_unlock_windows_fn(handle, br_lck, plock);
2711 : }
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