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 771256 : static struct vfs_init_function_entry *vfs_find_backend_entry(const char *name)
63 : {
64 771256 : struct vfs_init_function_entry *entry = backends;
65 :
66 771256 : DEBUG(10, ("vfs_find_backend_entry called for %s\n", name));
67 :
68 3392113 : while(entry) {
69 2984962 : if (strcmp(entry->name, name)==0) return entry;
70 2620857 : entry = entry->next;
71 : }
72 :
73 398195 : return NULL;
74 : }
75 :
76 252747 : NTSTATUS smb_register_vfs(int version, const char *name,
77 : const struct vfs_fn_pointers *fns)
78 : {
79 252747 : struct vfs_init_function_entry *entry = backends;
80 :
81 252747 : 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 252747 : 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 252747 : 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 252747 : entry = SMB_XMALLOC_P(struct vfs_init_function_entry);
101 252747 : entry->name = smb_xstrdup(name);
102 252747 : entry->fns = fns;
103 :
104 252747 : DLIST_ADD(backends, entry);
105 252747 : DEBUG(5, ("Successfully added vfs backend '%s'\n", name));
106 252747 : return NT_STATUS_OK;
107 : }
108 :
109 : /****************************************************************************
110 : initialise default vfs hooks
111 : ****************************************************************************/
112 :
113 56433 : static void vfs_init_default(connection_struct *conn)
114 : {
115 56433 : DEBUG(3, ("Initialising default vfs hooks\n"));
116 56433 : vfs_init_custom(conn, DEFAULT_VFS_MODULE_NAME);
117 56433 : }
118 :
119 : /****************************************************************************
120 : initialise custom vfs hooks
121 : ****************************************************************************/
122 :
123 364105 : bool vfs_init_custom(connection_struct *conn, const char *vfs_object)
124 : {
125 364105 : char *module_path = NULL;
126 364105 : char *module_name = NULL;
127 364105 : char *module_param = NULL, *p;
128 5129 : vfs_handle_struct *handle;
129 5129 : const struct vfs_init_function_entry *entry;
130 :
131 364105 : 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 364105 : if(!backends) {
138 28901 : static_init_vfs(NULL);
139 : }
140 :
141 364105 : DEBUG(3, ("Initialising custom vfs hooks from [%s]\n", vfs_object));
142 :
143 364105 : module_path = smb_xstrdup(vfs_object);
144 :
145 364105 : p = strchr_m(module_path, ':');
146 :
147 364105 : if (p) {
148 0 : *p = 0;
149 0 : module_param = p+1;
150 0 : trim_char(module_param, ' ', ' ');
151 : }
152 :
153 364105 : trim_char(module_path, ' ', ' ');
154 :
155 364105 : module_name = smb_xstrdup(module_path);
156 :
157 364105 : if ((module_name[0] == '/') &&
158 56433 : (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 364105 : entry = vfs_find_backend_entry(module_name);
177 364105 : if (!entry) {
178 2984 : NTSTATUS status;
179 :
180 154404 : DEBUG(5, ("vfs module [%s] not loaded - trying to load...\n",
181 : vfs_object));
182 :
183 154404 : status = smb_load_module("vfs", module_path);
184 154404 : 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 154404 : entry = vfs_find_backend_entry(module_name);
191 154404 : if (!entry) {
192 0 : DEBUG(0,("Can't find a vfs module [%s]\n",vfs_object));
193 0 : goto fail;
194 : }
195 : }
196 :
197 364105 : DEBUGADD(5,("Successfully loaded vfs module [%s] with the new modules system\n", vfs_object));
198 :
199 364105 : handle = talloc_zero(conn, vfs_handle_struct);
200 364105 : if (!handle) {
201 0 : DEBUG(0,("TALLOC_ZERO() failed!\n"));
202 0 : goto fail;
203 : }
204 364105 : handle->conn = conn;
205 364105 : handle->fns = entry->fns;
206 364105 : if (module_param) {
207 0 : handle->param = talloc_strdup(conn, module_param);
208 : }
209 364105 : DLIST_ADD(conn->vfs_handles, handle);
210 :
211 364105 : SAFE_FREE(module_path);
212 364105 : SAFE_FREE(module_name);
213 358976 : 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 232138 : 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 : {
233 431 : struct vfs_fsp_data *ext;
234 431 : void * ext_data;
235 :
236 : /* Prevent VFS modules adding multiple extensions. */
237 232138 : if ((ext_data = vfs_fetch_fsp_extension(handle, fsp))) {
238 1490 : return ext_data;
239 : }
240 :
241 230648 : ext = talloc_zero_size(
242 : handle->conn, sizeof(struct vfs_fsp_data) + ext_size);
243 230648 : if (ext == NULL) {
244 0 : return NULL;
245 : }
246 :
247 230648 : ext->owner = handle;
248 230648 : ext->next = fsp->vfs_extension;
249 230648 : ext->destroy = destroy_fn;
250 230648 : fsp->vfs_extension = ext;
251 230648 : return EXT_DATA_AREA(ext);
252 : }
253 :
254 167598 : void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp)
255 : {
256 431 : struct vfs_fsp_data *curr;
257 431 : struct vfs_fsp_data *prev;
258 :
259 167598 : for (curr = fsp->vfs_extension, prev = NULL;
260 168012 : curr;
261 414 : prev = curr, curr = curr->next) {
262 168012 : if (curr->owner == handle) {
263 167598 : if (prev) {
264 414 : prev->next = curr->next;
265 : } else {
266 167184 : fsp->vfs_extension = curr->next;
267 : }
268 167598 : if (curr->destroy) {
269 1464 : curr->destroy(EXT_DATA_AREA(curr));
270 : }
271 167598 : TALLOC_FREE(curr);
272 167598 : return;
273 : }
274 : }
275 : }
276 :
277 6268707 : void vfs_remove_all_fsp_extensions(files_struct *fsp)
278 : {
279 32284 : struct vfs_fsp_data *curr;
280 32284 : struct vfs_fsp_data *next;
281 :
282 6331705 : for (curr = fsp->vfs_extension; curr; curr = next) {
283 :
284 62998 : next = curr->next;
285 62998 : fsp->vfs_extension = next;
286 :
287 62998 : if (curr->destroy) {
288 4676 : curr->destroy(EXT_DATA_AREA(curr));
289 : }
290 62998 : TALLOC_FREE(curr);
291 : }
292 6268707 : }
293 :
294 901715 : void *vfs_memctx_fsp_extension(vfs_handle_struct *handle,
295 : const struct files_struct *fsp)
296 : {
297 946 : struct vfs_fsp_data *head;
298 :
299 1096961 : for (head = fsp->vfs_extension; head; head = head->next) {
300 541835 : if (head->owner == handle) {
301 346589 : return head;
302 : }
303 : }
304 :
305 554691 : return NULL;
306 : }
307 :
308 831875 : void *vfs_fetch_fsp_extension(vfs_handle_struct *handle,
309 : const struct files_struct *fsp)
310 : {
311 946 : struct vfs_fsp_data *head;
312 :
313 831875 : head = (struct vfs_fsp_data *)vfs_memctx_fsp_extension(handle, fsp);
314 831875 : if (head != NULL) {
315 276749 : return EXT_DATA_AREA(head);
316 : }
317 :
318 554691 : return NULL;
319 : }
320 :
321 : #undef EXT_DATA_AREA
322 :
323 : /*
324 : * Ensure this module catches all VFS functions.
325 : */
326 : #ifdef DEVELOPER
327 95798 : void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
328 : const char *module)
329 : {
330 95798 : bool missing_fn = false;
331 1494 : unsigned int idx;
332 95798 : const uintptr_t *end = (const uintptr_t *)(fns + 1);
333 :
334 9484002 : for (idx = 0; ((const uintptr_t *)fns + idx) < end; idx++) {
335 9388204 : 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 95798 : if (missing_fn) {
343 0 : smb_panic("Required VFS function not implemented in module.\n");
344 : }
345 95798 : }
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 56433 : bool smbd_vfs_init(connection_struct *conn)
358 : {
359 874 : const char **vfs_objects;
360 56433 : unsigned int i = 0;
361 56433 : int j = 0;
362 :
363 : /* Normal share - initialise with disk access functions */
364 56433 : vfs_init_default(conn);
365 :
366 : /* No need to load vfs modules for printer connections */
367 56433 : if (conn->printer) {
368 28 : return True;
369 : }
370 :
371 56405 : 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 : */
379 230 : bool ok = vfs_init_custom(conn, "widelinks");
380 230 : 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 56405 : vfs_objects = lp_vfs_objects(SNUM(conn));
388 :
389 : /* Override VFS functions if 'vfs object' was not specified*/
390 56405 : if (!vfs_objects || !vfs_objects[0])
391 39 : return True;
392 :
393 363806 : for (i=0; vfs_objects[i] ;) {
394 307440 : i++;
395 : }
396 :
397 363806 : for (j=i-1; j >= 0; j--) {
398 307440 : 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 55492 : return True;
404 : }
405 :
406 : /*******************************************************************
407 : Check if a file exists in the vfs.
408 : ********************************************************************/
409 :
410 16 : 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 16 : if ((SMB_VFS_STAT(conn, smb_fname) != -1) &&
414 16 : S_ISREG(smb_fname->st.st_ex_mode)) {
415 16 : return NT_STATUS_OK;
416 : }
417 :
418 0 : return NT_STATUS_OBJECT_NAME_NOT_FOUND;
419 : }
420 :
421 17143 : bool vfs_valid_pread_range(off_t offset, size_t length)
422 : {
423 17143 : return sys_valid_io_range(offset, length);
424 : }
425 :
426 193104 : 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 : */
431 113 : static const uint64_t maxfilesize = 0xfffffff0000;
432 113 : uint64_t last_byte_ofs;
433 113 : bool ok;
434 :
435 193104 : ok = sys_valid_io_range(offset, length);
436 193104 : if (!ok) {
437 36 : return false;
438 : }
439 :
440 193068 : if (length == 0) {
441 663 : return true;
442 : }
443 :
444 192368 : last_byte_ofs = offset + length;
445 192368 : if (last_byte_ofs > maxfilesize) {
446 6 : return false;
447 : }
448 :
449 192286 : return true;
450 : }
451 :
452 3336 : 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 3336 : size_t total=0;
459 12 : ssize_t ret;
460 12 : bool ok;
461 :
462 3336 : ok = vfs_valid_pwrite_range(offset, N);
463 3336 : if (!ok) {
464 0 : errno = EINVAL;
465 0 : return -1;
466 : }
467 :
468 3336 : 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 0 : 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 4468 : while (total < N) {
518 3336 : ret = SMB_VFS_PWRITE(fsp, buffer + total, N - total,
519 : offset + total);
520 :
521 3336 : if (ret == -1)
522 2204 : return -1;
523 1132 : if (ret == 0)
524 0 : return total;
525 :
526 1132 : total += ret;
527 : }
528 1132 : 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 :
536 286 : int vfs_allocate_file_space(files_struct *fsp, uint64_t len)
537 : {
538 25 : int ret;
539 286 : connection_struct *conn = fsp->conn;
540 25 : uint64_t space_avail;
541 25 : uint64_t bsize,dfree,dsize;
542 25 : NTSTATUS status;
543 25 : bool ok;
544 :
545 : /*
546 : * Actually try and commit the space on disk....
547 : */
548 :
549 286 : DEBUG(10,("vfs_allocate_file_space: file %s, len %.0f\n",
550 : fsp_str_dbg(fsp), (double)len));
551 :
552 286 : ok = vfs_valid_pwrite_range((off_t)len, 0);
553 286 : 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 :
560 286 : status = vfs_stat_fsp(fsp);
561 286 : if (!NT_STATUS_IS_OK(status)) {
562 0 : return -1;
563 : }
564 :
565 286 : if (len == (uint64_t)fsp->fsp_name->st.st_ex_size)
566 44 : return 0;
567 :
568 241 : if (len < (uint64_t)fsp->fsp_name->st.st_ex_size) {
569 : /* Shrink - use ftruncate. */
570 :
571 6 : 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 6 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
576 :
577 6 : ret = SMB_VFS_FTRUNCATE(fsp, (off_t)len);
578 :
579 6 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_SHRINK);
580 :
581 6 : return ret;
582 : }
583 :
584 : /* Grow - we need to test if we have enough space. */
585 :
586 235 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_ALLOC_GROW);
587 :
588 235 : 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 {
594 211 : ret = 0;
595 : }
596 :
597 235 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_ALLOC_GROW);
598 :
599 235 : if (ret == 0) {
600 : /* We changed the allocation size on disk, but not
601 : EOF - exactly as required. We're done ! */
602 211 : 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 0 : 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 :
636 392 : int vfs_set_filelen(files_struct *fsp, off_t len)
637 : {
638 10 : int ret;
639 10 : bool ok;
640 :
641 392 : ok = vfs_valid_pwrite_range(len, 0);
642 392 : if (!ok) {
643 0 : errno = EINVAL;
644 0 : return -1;
645 : }
646 :
647 392 : contend_level2_oplocks_begin(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
648 :
649 392 : DEBUG(10,("vfs_set_filelen: ftruncate %s to len %.0f\n",
650 : fsp_str_dbg(fsp), (double)len));
651 392 : if ((ret = SMB_VFS_FTRUNCATE(fsp, len)) != -1) {
652 384 : notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
653 : FILE_NOTIFY_CHANGE_SIZE
654 : | FILE_NOTIFY_CHANGE_ATTRIBUTES,
655 384 : fsp->fsp_name->base_name);
656 : }
657 :
658 392 : contend_level2_oplocks_end(fsp, LEVEL2_CONTEND_SET_FILE_LEN);
659 :
660 392 : 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 0 : ssize_t pwrite_ret;
676 0 : size_t total = 0;
677 0 : 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 0 : int ret;
721 0 : NTSTATUS status;
722 0 : off_t offset;
723 0 : size_t num_to_write;
724 0 : 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 190971 : int vfs_set_blocking(files_struct *fsp, bool set)
788 : {
789 449 : 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 190971 : if (fsp->fsp_flags.is_pathref) {
801 0 : return 0;
802 : }
803 :
804 190971 : val = SMB_VFS_FCNTL(fsp, F_GETFL, 0);
805 190971 : if (val == -1) {
806 0 : return -1;
807 : }
808 :
809 190971 : if (set) {
810 190971 : val &= ~FLAG_TO_SET;
811 : } else {
812 0 : val |= FLAG_TO_SET;
813 : }
814 :
815 190971 : 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 26 : static ssize_t vfs_pread_fn(void *file, void *buf, size_t len, off_t offset)
824 : {
825 26 : struct files_struct *fsp = (struct files_struct *)file;
826 :
827 26 : return SMB_VFS_PREAD(fsp, buf, len, offset);
828 : }
829 :
830 26 : static ssize_t vfs_pwrite_fn(void *file, const void *buf, size_t len, off_t offset)
831 : {
832 26 : struct files_struct *fsp = (struct files_struct *)file;
833 :
834 26 : return SMB_VFS_PWRITE(fsp, buf, len, offset);
835 : }
836 :
837 26 : off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n)
838 : {
839 26 : 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 160968666 : const char *vfs_readdirname(connection_struct *conn,
848 : struct files_struct *dirfsp,
849 : void *p,
850 : char **talloced)
851 : {
852 160968666 : struct dirent *ptr= NULL;
853 7202 : const char *dname;
854 7202 : char *translated;
855 7202 : NTSTATUS status;
856 :
857 160968666 : if (!p)
858 0 : return(NULL);
859 :
860 160968666 : ptr = SMB_VFS_READDIR(conn, dirfsp, (DIR *)p);
861 160968666 : if (!ptr)
862 305658 : return(NULL);
863 :
864 160661972 : dname = ptr->d_name;
865 :
866 160661972 : status = SMB_VFS_TRANSLATE_NAME(conn, dname, vfs_translate_to_windows,
867 : talloc_tos(), &translated);
868 160661972 : if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED)) {
869 160622452 : *talloced = NULL;
870 160622452 : return dname;
871 : }
872 39520 : *talloced = translated;
873 39520 : if (!NT_STATUS_IS_OK(status)) {
874 0 : return NULL;
875 : }
876 39520 : return translated;
877 : }
878 :
879 : /*******************************************************************
880 : A wrapper for vfs_chdir().
881 : ********************************************************************/
882 :
883 3170626 : int vfs_ChDir(connection_struct *conn, const struct smb_filename *smb_fname)
884 : {
885 18944 : int ret;
886 3170626 : struct smb_filename *cwd = NULL;
887 :
888 3170626 : if (!LastDir) {
889 973854 : LastDir = SMB_STRDUP("");
890 : }
891 :
892 3170626 : if (ISDOT(smb_fname->base_name)) {
893 : /*
894 : * passing a '.' is a noop,
895 : * and we only expect this after
896 : * everything is initialized.
897 : *
898 : * So the first vfs_ChDir() on a given
899 : * connection_struct must not be '.'.
900 : *
901 : * Note: conn_new() sets
902 : * conn->cwd_fsp->fh->fd = -1
903 : * and vfs_ChDir() leaves with
904 : * conn->cwd_fsp->fh->fd = AT_FDCWD
905 : * on success!
906 : */
907 0 : if (fsp_get_pathref_fd(conn->cwd_fsp) != AT_FDCWD) {
908 : /*
909 : * This should never happen and
910 : * we might change this to
911 : * SMB_ASSERT() in future.
912 : */
913 0 : DBG_ERR("Called with '.' as first operation!\n");
914 0 : log_stack_trace();
915 0 : errno = EINVAL;
916 0 : return -1;
917 : }
918 0 : return 0;
919 : }
920 :
921 6020326 : if (smb_fname->base_name[0] == '/' &&
922 2849700 : strcsequal(LastDir,smb_fname->base_name))
923 : {
924 : /*
925 : * conn->cwd_fsp->fsp_name and the kernel
926 : * are already correct, but conn->cwd_fsp->fh->fd
927 : * might still be -1 as initialized in conn_new().
928 : *
929 : * This can happen when a client made a 2nd
930 : * tree connect to a share with the same underlying
931 : * path (may or may not the same share).
932 : */
933 1373761 : fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
934 1373761 : return 0;
935 : }
936 :
937 1796865 : DEBUG(4,("vfs_ChDir to %s\n", smb_fname->base_name));
938 :
939 1796865 : ret = SMB_VFS_CHDIR(conn, smb_fname);
940 1796865 : if (ret != 0) {
941 16850 : return -1;
942 : }
943 :
944 : /*
945 : * Always replace conn->cwd_fsp. We
946 : * don't know if it's been modified by
947 : * VFS modules in the stack.
948 : */
949 1779998 : fsp_set_fd(conn->cwd_fsp, AT_FDCWD);
950 :
951 : /* conn cache. */
952 1779998 : cwd = vfs_GetWd(conn, conn);
953 1779998 : if (cwd == NULL) {
954 : /*
955 : * vfs_GetWd() failed.
956 : * We must be able to read cwd.
957 : * Return to original directory
958 : * and return -1.
959 : */
960 0 : int saved_errno = errno;
961 :
962 0 : if (conn->cwd_fsp->fsp_name == NULL) {
963 : /*
964 : * Failed on the very first chdir()+getwd()
965 : * for this connection. We can't
966 : * continue.
967 : */
968 0 : smb_panic("conn->cwd getwd failed\n");
969 : /* NOTREACHED */
970 : return -1;
971 : }
972 :
973 : /* Return to the previous $cwd. */
974 0 : ret = SMB_VFS_CHDIR(conn, conn->cwd_fsp->fsp_name);
975 0 : if (ret != 0) {
976 0 : smb_panic("conn->cwd getwd failed\n");
977 : /* NOTREACHED */
978 : return -1;
979 : }
980 0 : errno = saved_errno;
981 : /* And fail the chdir(). */
982 0 : return -1;
983 : }
984 :
985 : /* vfs_GetWd() succeeded. */
986 : /* Replace global cache. */
987 1779998 : SAFE_FREE(LastDir);
988 1779998 : LastDir = SMB_STRDUP(smb_fname->base_name);
989 :
990 : /*
991 : * (Indirect) Callers of vfs_ChDir() may still hold references to the
992 : * old conn->cwd_fsp->fsp_name. Move it to talloc_tos(), that way
993 : * callers can use it for the lifetime of the SMB request.
994 : */
995 1779998 : talloc_move(talloc_tos(), &conn->cwd_fsp->fsp_name);
996 :
997 1779998 : conn->cwd_fsp->fsp_name = talloc_move(conn->cwd_fsp, &cwd);
998 :
999 1779998 : DBG_INFO("vfs_ChDir got %s\n", fsp_str_dbg(conn->cwd_fsp));
1000 :
1001 1775669 : return ret;
1002 : }
1003 :
1004 : /*******************************************************************
1005 : Return the absolute current directory path - given a UNIX pathname.
1006 : Note that this path is returned in DOS format, not UNIX
1007 : format. Note this can be called with conn == NULL.
1008 : ********************************************************************/
1009 :
1010 2407428 : struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn)
1011 : {
1012 2407428 : struct smb_filename *current_dir_fname = NULL;
1013 4592 : struct file_id key;
1014 2407428 : struct smb_filename *smb_fname_dot = NULL;
1015 2407428 : struct smb_filename *smb_fname_full = NULL;
1016 2407428 : struct smb_filename *result = NULL;
1017 :
1018 2407428 : if (!lp_getwd_cache()) {
1019 0 : goto nocache;
1020 : }
1021 :
1022 2407428 : smb_fname_dot = synthetic_smb_fname(ctx,
1023 : ".",
1024 : NULL,
1025 : NULL,
1026 : 0,
1027 : 0);
1028 2407428 : if (smb_fname_dot == NULL) {
1029 0 : errno = ENOMEM;
1030 0 : goto out;
1031 : }
1032 :
1033 2407428 : if (SMB_VFS_STAT(conn, smb_fname_dot) == -1) {
1034 : /*
1035 : * Known to fail for root: the directory may be NFS-mounted
1036 : * and exported with root_squash (so has no root access).
1037 : */
1038 0 : DEBUG(1,("vfs_GetWd: couldn't stat \".\" error %s "
1039 : "(NFS problem ?)\n", strerror(errno) ));
1040 0 : goto nocache;
1041 : }
1042 :
1043 2407428 : key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
1044 :
1045 2407428 : smb_fname_full = (struct smb_filename *)memcache_lookup_talloc(
1046 : smbd_memcache(),
1047 : GETWD_CACHE,
1048 : data_blob_const(&key, sizeof(key)));
1049 :
1050 2407428 : if (smb_fname_full == NULL) {
1051 76292 : goto nocache;
1052 : }
1053 :
1054 2331136 : if ((SMB_VFS_STAT(conn, smb_fname_full) == 0) &&
1055 2330954 : (smb_fname_dot->st.st_ex_dev == smb_fname_full->st.st_ex_dev) &&
1056 2330954 : (smb_fname_dot->st.st_ex_ino == smb_fname_full->st.st_ex_ino) &&
1057 2330954 : (S_ISDIR(smb_fname_dot->st.st_ex_mode))) {
1058 : /*
1059 : * Ok, we're done
1060 : * Note: smb_fname_full is owned by smbd_memcache()
1061 : * so we must make a copy to return.
1062 : */
1063 2330954 : result = cp_smb_filename(ctx, smb_fname_full);
1064 2330954 : if (result == NULL) {
1065 0 : errno = ENOMEM;
1066 : }
1067 2330954 : goto out;
1068 : }
1069 :
1070 182 : nocache:
1071 :
1072 : /*
1073 : * We don't have the information to hand so rely on traditional
1074 : * methods. The very slow getcwd, which spawns a process on some
1075 : * systems, or the not quite so bad getwd.
1076 : */
1077 :
1078 76474 : current_dir_fname = SMB_VFS_GETWD(conn, ctx);
1079 76474 : if (current_dir_fname == NULL) {
1080 0 : DEBUG(0, ("vfs_GetWd: SMB_VFS_GETWD call failed: %s\n",
1081 : strerror(errno)));
1082 0 : goto out;
1083 : }
1084 :
1085 76474 : if (lp_getwd_cache() && VALID_STAT(smb_fname_dot->st)) {
1086 76474 : key = vfs_file_id_from_sbuf(conn, &smb_fname_dot->st);
1087 :
1088 : /*
1089 : * smbd_memcache() will own current_dir_fname after the
1090 : * memcache_add_talloc call, so we must make
1091 : * a copy on ctx to return.
1092 : */
1093 76474 : result = cp_smb_filename(ctx, current_dir_fname);
1094 76474 : if (result == NULL) {
1095 0 : errno = ENOMEM;
1096 : }
1097 :
1098 : /*
1099 : * Ensure the memory going into the cache
1100 : * doesn't have a destructor so it can be
1101 : * cleanly freed.
1102 : */
1103 76474 : talloc_set_destructor(current_dir_fname, NULL);
1104 :
1105 76474 : memcache_add_talloc(smbd_memcache(),
1106 : GETWD_CACHE,
1107 : data_blob_const(&key, sizeof(key)),
1108 : ¤t_dir_fname);
1109 : /* current_dir_fname is now == NULL here. */
1110 : } else {
1111 : /* current_dir_fname is already allocated on ctx. */
1112 0 : result = current_dir_fname;
1113 : }
1114 :
1115 2407428 : out:
1116 2407428 : TALLOC_FREE(smb_fname_dot);
1117 : /*
1118 : * Don't free current_dir_fname here. It's either been moved
1119 : * to the memcache or is being returned in result.
1120 : */
1121 2407428 : return result;
1122 : }
1123 :
1124 : /*
1125 : * Ensure LSTAT is called for POSIX paths.
1126 : */
1127 36488 : int vfs_stat(struct connection_struct *conn,
1128 : struct smb_filename *smb_fname)
1129 : {
1130 36488 : if (smb_fname->flags & SMB_FILENAME_POSIX_PATH) {
1131 88 : return SMB_VFS_LSTAT(conn, smb_fname);
1132 : }
1133 36400 : return SMB_VFS_STAT(conn, smb_fname);
1134 : }
1135 :
1136 : /**
1137 : * XXX: This is temporary and there should be no callers of this once
1138 : * smb_filename is plumbed through all path based operations.
1139 : *
1140 : * Called when we know stream name parsing has already been done.
1141 : */
1142 0 : int vfs_stat_smb_basename(struct connection_struct *conn,
1143 : const struct smb_filename *smb_fname_in,
1144 : SMB_STRUCT_STAT *psbuf)
1145 : {
1146 0 : struct smb_filename smb_fname = {
1147 0 : .base_name = discard_const_p(char, smb_fname_in->base_name),
1148 0 : .flags = smb_fname_in->flags,
1149 0 : .twrp = smb_fname_in->twrp,
1150 : };
1151 0 : int ret;
1152 :
1153 0 : ret = vfs_stat(conn, &smb_fname);
1154 0 : if (ret != -1) {
1155 0 : *psbuf = smb_fname.st;
1156 : }
1157 0 : return ret;
1158 : }
1159 :
1160 : /**
1161 : * Ensure LSTAT is called for POSIX paths.
1162 : */
1163 :
1164 3455964 : NTSTATUS vfs_stat_fsp(files_struct *fsp)
1165 : {
1166 14118 : int ret;
1167 3455964 : struct stat_ex saved_stat = fsp->fsp_name->st;
1168 :
1169 3455964 : if (fsp->fake_file_handle != NULL) {
1170 0 : return NT_STATUS_OK;
1171 : }
1172 :
1173 3455964 : if (fsp_get_pathref_fd(fsp) == -1) {
1174 67 : if (fsp->posix_flags & FSP_POSIX_FLAGS_OPEN) {
1175 67 : ret = SMB_VFS_LSTAT(fsp->conn, fsp->fsp_name);
1176 : } else {
1177 0 : ret = SMB_VFS_STAT(fsp->conn, fsp->fsp_name);
1178 : }
1179 : } else {
1180 3455897 : ret = SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
1181 : }
1182 3455964 : if (ret == -1) {
1183 2 : return map_nt_error_from_unix(errno);
1184 : }
1185 3455962 : update_stat_ex_from_saved_stat(&fsp->fsp_name->st, &saved_stat);
1186 3455962 : fsp->fsp_flags.is_directory = S_ISDIR(fsp->fsp_name->st.st_ex_mode);
1187 3455962 : return NT_STATUS_OK;
1188 : }
1189 :
1190 369156 : void init_smb_file_time(struct smb_file_time *ft)
1191 : {
1192 369972 : *ft = (struct smb_file_time) {
1193 369156 : .atime = make_omit_timespec(),
1194 369156 : .ctime = make_omit_timespec(),
1195 369156 : .mtime = make_omit_timespec(),
1196 369156 : .create_time = make_omit_timespec()
1197 : };
1198 369156 : }
1199 :
1200 : /**
1201 : * Initialize num_streams and streams, then call VFS op streaminfo
1202 : */
1203 :
1204 317119 : NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1205 : TALLOC_CTX *mem_ctx,
1206 : unsigned int *num_streams,
1207 : struct stream_struct **streams)
1208 : {
1209 317119 : *num_streams = 0;
1210 317119 : *streams = NULL;
1211 :
1212 317119 : if (fsp == NULL) {
1213 : /*
1214 : * Callers may pass fsp == NULL when passing smb_fname->fsp of a
1215 : * symlink. This is ok, handle it here, by just return no
1216 : * streams on a symlink.
1217 : */
1218 0 : return NT_STATUS_OK;
1219 : }
1220 :
1221 317119 : if (fsp_get_pathref_fd(fsp) == -1) {
1222 : /*
1223 : * No streams on non-real files/directories.
1224 : */
1225 128 : return NT_STATUS_OK;
1226 : }
1227 :
1228 316991 : return SMB_VFS_FSTREAMINFO(fsp,
1229 : mem_ctx,
1230 : num_streams,
1231 : streams);
1232 : }
1233 :
1234 5416 : int vfs_fake_fd(void)
1235 : {
1236 0 : int pipe_fds[2];
1237 0 : int ret;
1238 :
1239 : /*
1240 : * Return a valid fd, but ensure any attempt to use
1241 : * it returns an error (EPIPE).
1242 : */
1243 5416 : ret = pipe(pipe_fds);
1244 5416 : if (ret != 0) {
1245 0 : return -1;
1246 : }
1247 :
1248 5416 : close(pipe_fds[1]);
1249 5416 : return pipe_fds[0];
1250 : }
1251 :
1252 : /*
1253 : * This is just a helper to make
1254 : * users of vfs_fake_fd() more symmetric
1255 : */
1256 5398 : int vfs_fake_fd_close(int fd)
1257 : {
1258 5398 : return close(fd);
1259 : }
1260 :
1261 : /*
1262 : generate a file_id from a stat structure
1263 : */
1264 9036559 : struct file_id vfs_file_id_from_sbuf(connection_struct *conn, const SMB_STRUCT_STAT *sbuf)
1265 : {
1266 9036559 : return SMB_VFS_FILE_ID_CREATE(conn, sbuf);
1267 : }
1268 :
1269 9661 : NTSTATUS vfs_at_fspcwd(TALLOC_CTX *mem_ctx,
1270 : struct connection_struct *conn,
1271 : struct files_struct **_fsp)
1272 : {
1273 9661 : struct files_struct *fsp = NULL;
1274 :
1275 9661 : fsp = talloc_zero(mem_ctx, struct files_struct);
1276 9661 : if (fsp == NULL) {
1277 0 : return NT_STATUS_NO_MEMORY;
1278 : }
1279 :
1280 9661 : fsp->fsp_name = synthetic_smb_fname(fsp, ".", NULL, NULL, 0, 0);
1281 9661 : if (fsp->fsp_name == NULL) {
1282 0 : TALLOC_FREE(fsp);
1283 0 : return NT_STATUS_NO_MEMORY;
1284 : }
1285 :
1286 9661 : fsp->fh = fd_handle_create(fsp);
1287 9661 : if (fsp->fh == NULL) {
1288 0 : TALLOC_FREE(fsp);
1289 0 : return NT_STATUS_NO_MEMORY;
1290 : }
1291 :
1292 9661 : fsp_set_fd(fsp, AT_FDCWD);
1293 9661 : fsp->fnum = FNUM_FIELD_INVALID;
1294 9661 : fsp->conn = conn;
1295 :
1296 9661 : *_fsp = fsp;
1297 9661 : return NT_STATUS_OK;
1298 : }
1299 :
1300 : static struct smb_vfs_deny_state *smb_vfs_deny_global;
1301 :
1302 14524 : void smb_vfs_assert_allowed(void)
1303 : {
1304 14524 : if (unlikely(smb_vfs_deny_global != NULL)) {
1305 0 : DBG_ERR("Called with VFS denied by %s\n",
1306 : smb_vfs_deny_global->location);
1307 0 : smb_panic("Called with VFS denied!");
1308 : }
1309 14524 : }
1310 :
1311 1106527 : void _smb_vfs_deny_push(struct smb_vfs_deny_state *state, const char *location)
1312 : {
1313 1106527 : SMB_ASSERT(smb_vfs_deny_global != state);
1314 :
1315 1106527 : *state = (struct smb_vfs_deny_state) {
1316 : .parent = smb_vfs_deny_global,
1317 : .location = location,
1318 : };
1319 :
1320 1106527 : smb_vfs_deny_global = state;
1321 1106527 : }
1322 :
1323 1106527 : void _smb_vfs_deny_pop(struct smb_vfs_deny_state *state, const char *location)
1324 : {
1325 1106527 : SMB_ASSERT(smb_vfs_deny_global == state);
1326 :
1327 1106527 : smb_vfs_deny_global = state->parent;
1328 :
1329 1106527 : *state = (struct smb_vfs_deny_state) { .parent = NULL, };
1330 1106527 : }
1331 :
1332 : #define VFS_FIND(__fn__) do { \
1333 : if (unlikely(smb_vfs_deny_global != NULL)) { \
1334 : DBG_ERR("Called with VFS denied by %s\n", \
1335 : smb_vfs_deny_global->location); \
1336 : smb_panic("Called with VFS denied!"); \
1337 : } \
1338 : while (handle->fns->__fn__##_fn==NULL) { \
1339 : handle = handle->next; \
1340 : } \
1341 : } while(0)
1342 :
1343 311609 : int smb_vfs_call_connect(struct vfs_handle_struct *handle,
1344 : const char *service, const char *user)
1345 : {
1346 364169 : VFS_FIND(connect);
1347 311609 : return handle->fns->connect_fn(handle, service, user);
1348 : }
1349 :
1350 148359 : void smb_vfs_call_disconnect(struct vfs_handle_struct *handle)
1351 : {
1352 363845 : VFS_FIND(disconnect);
1353 148359 : handle->fns->disconnect_fn(handle);
1354 148359 : }
1355 :
1356 3710 : uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
1357 : const struct smb_filename *smb_fname,
1358 : uint64_t *bsize,
1359 : uint64_t *dfree,
1360 : uint64_t *dsize)
1361 : {
1362 10009 : VFS_FIND(disk_free);
1363 3710 : return handle->fns->disk_free_fn(handle, smb_fname,
1364 : bsize, dfree, dsize);
1365 : }
1366 :
1367 7694 : int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
1368 : const struct smb_filename *smb_fname,
1369 : enum SMB_QUOTA_TYPE qtype,
1370 : unid_t id,
1371 : SMB_DISK_QUOTA *qt)
1372 : {
1373 20742 : VFS_FIND(get_quota);
1374 7694 : return handle->fns->get_quota_fn(handle, smb_fname, qtype, id, qt);
1375 : }
1376 :
1377 12 : int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
1378 : enum SMB_QUOTA_TYPE qtype, unid_t id,
1379 : SMB_DISK_QUOTA *qt)
1380 : {
1381 28 : VFS_FIND(set_quota);
1382 12 : return handle->fns->set_quota_fn(handle, qtype, id, qt);
1383 : }
1384 :
1385 3256 : int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
1386 : struct files_struct *fsp,
1387 : struct shadow_copy_data *shadow_copy_data,
1388 : bool labels)
1389 : {
1390 4316 : VFS_FIND(get_shadow_copy_data);
1391 3256 : return handle->fns->get_shadow_copy_data_fn(handle, fsp,
1392 : shadow_copy_data,
1393 : labels);
1394 : }
1395 68113 : int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
1396 : const struct smb_filename *smb_fname,
1397 : struct vfs_statvfs_struct *statbuf)
1398 : {
1399 186768 : VFS_FIND(statvfs);
1400 68113 : return handle->fns->statvfs_fn(handle, smb_fname, statbuf);
1401 : }
1402 :
1403 94378 : uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
1404 : enum timestamp_set_resolution *p_ts_res)
1405 : {
1406 186768 : VFS_FIND(fs_capabilities);
1407 94378 : return handle->fns->fs_capabilities_fn(handle, p_ts_res);
1408 : }
1409 :
1410 44291 : NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
1411 : struct dfs_GetDFSReferral *r)
1412 : {
1413 103819 : VFS_FIND(get_dfs_referrals);
1414 44291 : return handle->fns->get_dfs_referrals_fn(handle, r);
1415 : }
1416 :
1417 0 : NTSTATUS smb_vfs_call_create_dfs_pathat(struct vfs_handle_struct *handle,
1418 : struct files_struct *dirfsp,
1419 : const struct smb_filename *smb_fname,
1420 : const struct referral *reflist,
1421 : size_t referral_count)
1422 : {
1423 0 : VFS_FIND(create_dfs_pathat);
1424 0 : return handle->fns->create_dfs_pathat_fn(handle,
1425 : dirfsp,
1426 : smb_fname,
1427 : reflist,
1428 : referral_count);
1429 : }
1430 :
1431 14466 : NTSTATUS smb_vfs_call_read_dfs_pathat(struct vfs_handle_struct *handle,
1432 : TALLOC_CTX *mem_ctx,
1433 : struct files_struct *dirfsp,
1434 : struct smb_filename *smb_fname,
1435 : struct referral **ppreflist,
1436 : size_t *preferral_count)
1437 : {
1438 33756 : VFS_FIND(read_dfs_pathat);
1439 14466 : return handle->fns->read_dfs_pathat_fn(handle,
1440 : mem_ctx,
1441 : dirfsp,
1442 : smb_fname,
1443 : ppreflist,
1444 : preferral_count);
1445 : }
1446 :
1447 621505 : DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
1448 : struct files_struct *fsp,
1449 : const char *mask,
1450 : uint32_t attributes)
1451 : {
1452 1885459 : VFS_FIND(fdopendir);
1453 621505 : return handle->fns->fdopendir_fn(handle, fsp, mask, attributes);
1454 : }
1455 :
1456 322270508 : struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
1457 : struct files_struct *dirfsp,
1458 : DIR *dirp)
1459 : {
1460 869881784 : VFS_FIND(readdir);
1461 322270508 : return handle->fns->readdir_fn(handle, dirfsp, dirp);
1462 : }
1463 :
1464 5088 : void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
1465 : DIR *dirp)
1466 : {
1467 15454 : VFS_FIND(rewind_dir);
1468 5088 : handle->fns->rewind_dir_fn(handle, dirp);
1469 5088 : }
1470 :
1471 37486 : int smb_vfs_call_mkdirat(struct vfs_handle_struct *handle,
1472 : struct files_struct *dirfsp,
1473 : const struct smb_filename *smb_fname,
1474 : mode_t mode)
1475 : {
1476 75525 : VFS_FIND(mkdirat);
1477 37486 : return handle->fns->mkdirat_fn(handle,
1478 : dirfsp,
1479 : smb_fname,
1480 : mode);
1481 : }
1482 :
1483 621505 : int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
1484 : DIR *dir)
1485 : {
1486 1885459 : VFS_FIND(closedir);
1487 621505 : return handle->fns->closedir_fn(handle, dir);
1488 : }
1489 :
1490 25093770 : int smb_vfs_call_openat(struct vfs_handle_struct *handle,
1491 : const struct files_struct *dirfsp,
1492 : const struct smb_filename *smb_fname,
1493 : struct files_struct *fsp,
1494 : const struct vfs_open_how *how)
1495 : {
1496 39099002 : VFS_FIND(openat);
1497 25093770 : return handle->fns->openat_fn(handle,
1498 : dirfsp,
1499 : smb_fname,
1500 : fsp,
1501 : how);
1502 : }
1503 :
1504 1121106 : NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
1505 : struct smb_request *req,
1506 : struct files_struct *dirfsp,
1507 : struct smb_filename *smb_fname,
1508 : uint32_t access_mask,
1509 : uint32_t share_access,
1510 : uint32_t create_disposition,
1511 : uint32_t create_options,
1512 : uint32_t file_attributes,
1513 : uint32_t oplock_request,
1514 : const struct smb2_lease *lease,
1515 : uint64_t allocation_size,
1516 : uint32_t private_flags,
1517 : struct security_descriptor *sd,
1518 : struct ea_list *ea_list,
1519 : files_struct **result,
1520 : int *pinfo,
1521 : const struct smb2_create_blobs *in_context_blobs,
1522 : struct smb2_create_blobs *out_context_blobs)
1523 : {
1524 3375002 : VFS_FIND(create_file);
1525 1121106 : return handle->fns->create_file_fn(
1526 : handle, req, dirfsp, smb_fname,
1527 : access_mask, share_access, create_disposition, create_options,
1528 : file_attributes, oplock_request, lease, allocation_size,
1529 : private_flags, sd, ea_list,
1530 : result, pinfo, in_context_blobs, out_context_blobs);
1531 : }
1532 :
1533 8632829 : int smb_vfs_call_close(struct vfs_handle_struct *handle,
1534 : struct files_struct *fsp)
1535 : {
1536 25902597 : VFS_FIND(close);
1537 8632829 : return handle->fns->close_fn(handle, fsp);
1538 : }
1539 :
1540 11826 : ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
1541 : struct files_struct *fsp, void *data, size_t n,
1542 : off_t offset)
1543 : {
1544 24958 : VFS_FIND(pread);
1545 11826 : return handle->fns->pread_fn(handle, fsp, data, n, offset);
1546 : }
1547 :
1548 : struct smb_vfs_call_pread_state {
1549 : ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1550 : ssize_t retval;
1551 : struct vfs_aio_state vfs_aio_state;
1552 : };
1553 :
1554 : static void smb_vfs_call_pread_done(struct tevent_req *subreq);
1555 :
1556 32597 : struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
1557 : TALLOC_CTX *mem_ctx,
1558 : struct tevent_context *ev,
1559 : struct files_struct *fsp,
1560 : void *data,
1561 : size_t n, off_t offset)
1562 : {
1563 42 : struct tevent_req *req, *subreq;
1564 42 : struct smb_vfs_call_pread_state *state;
1565 :
1566 32597 : req = tevent_req_create(mem_ctx, &state,
1567 : struct smb_vfs_call_pread_state);
1568 32597 : if (req == NULL) {
1569 0 : return NULL;
1570 : }
1571 83847 : VFS_FIND(pread_send);
1572 32597 : state->recv_fn = handle->fns->pread_recv_fn;
1573 :
1574 32597 : subreq = handle->fns->pread_send_fn(handle, state, ev, fsp, data, n,
1575 : offset);
1576 32597 : if (tevent_req_nomem(subreq, req)) {
1577 0 : return tevent_req_post(req, ev);
1578 : }
1579 32597 : tevent_req_set_callback(subreq, smb_vfs_call_pread_done, req);
1580 32597 : return req;
1581 : }
1582 :
1583 32597 : static void smb_vfs_call_pread_done(struct tevent_req *subreq)
1584 : {
1585 32597 : struct tevent_req *req = tevent_req_callback_data(
1586 : subreq, struct tevent_req);
1587 32597 : struct smb_vfs_call_pread_state *state = tevent_req_data(
1588 : req, struct smb_vfs_call_pread_state);
1589 :
1590 32597 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1591 32597 : TALLOC_FREE(subreq);
1592 32597 : if (state->retval == -1) {
1593 0 : tevent_req_error(req, state->vfs_aio_state.error);
1594 0 : return;
1595 : }
1596 32597 : tevent_req_done(req);
1597 : }
1598 :
1599 32597 : ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req,
1600 : struct vfs_aio_state *vfs_aio_state)
1601 : {
1602 32597 : struct smb_vfs_call_pread_state *state = tevent_req_data(
1603 : req, struct smb_vfs_call_pread_state);
1604 42 : ssize_t retval;
1605 :
1606 32597 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1607 0 : tevent_req_received(req);
1608 0 : return -1;
1609 : }
1610 32597 : *vfs_aio_state = state->vfs_aio_state;
1611 32597 : retval = state->retval;
1612 32597 : tevent_req_received(req);
1613 32597 : return retval;
1614 : }
1615 :
1616 6404 : ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
1617 : struct files_struct *fsp, const void *data,
1618 : size_t n, off_t offset)
1619 : {
1620 9412 : VFS_FIND(pwrite);
1621 6404 : return handle->fns->pwrite_fn(handle, fsp, data, n, offset);
1622 : }
1623 :
1624 : struct smb_vfs_call_pwrite_state {
1625 : ssize_t (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1626 : ssize_t retval;
1627 : struct vfs_aio_state vfs_aio_state;
1628 : };
1629 :
1630 : static void smb_vfs_call_pwrite_done(struct tevent_req *subreq);
1631 :
1632 418508 : struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
1633 : TALLOC_CTX *mem_ctx,
1634 : struct tevent_context *ev,
1635 : struct files_struct *fsp,
1636 : const void *data,
1637 : size_t n, off_t offset)
1638 : {
1639 52 : struct tevent_req *req, *subreq;
1640 52 : struct smb_vfs_call_pwrite_state *state;
1641 :
1642 418508 : req = tevent_req_create(mem_ctx, &state,
1643 : struct smb_vfs_call_pwrite_state);
1644 418508 : if (req == NULL) {
1645 0 : return NULL;
1646 : }
1647 1000041 : VFS_FIND(pwrite_send);
1648 418508 : state->recv_fn = handle->fns->pwrite_recv_fn;
1649 :
1650 418508 : subreq = handle->fns->pwrite_send_fn(handle, state, ev, fsp, data, n,
1651 : offset);
1652 418508 : if (tevent_req_nomem(subreq, req)) {
1653 0 : return tevent_req_post(req, ev);
1654 : }
1655 418508 : tevent_req_set_callback(subreq, smb_vfs_call_pwrite_done, req);
1656 418508 : return req;
1657 : }
1658 :
1659 418504 : static void smb_vfs_call_pwrite_done(struct tevent_req *subreq)
1660 : {
1661 418504 : struct tevent_req *req = tevent_req_callback_data(
1662 : subreq, struct tevent_req);
1663 418504 : struct smb_vfs_call_pwrite_state *state = tevent_req_data(
1664 : req, struct smb_vfs_call_pwrite_state);
1665 :
1666 418504 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1667 418504 : TALLOC_FREE(subreq);
1668 418504 : if (state->retval == -1) {
1669 0 : tevent_req_error(req, state->vfs_aio_state.error);
1670 0 : return;
1671 : }
1672 418504 : tevent_req_done(req);
1673 : }
1674 :
1675 418504 : ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req,
1676 : struct vfs_aio_state *vfs_aio_state)
1677 : {
1678 418504 : struct smb_vfs_call_pwrite_state *state = tevent_req_data(
1679 : req, struct smb_vfs_call_pwrite_state);
1680 52 : ssize_t retval;
1681 :
1682 418504 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1683 0 : tevent_req_received(req);
1684 0 : return -1;
1685 : }
1686 418504 : *vfs_aio_state = state->vfs_aio_state;
1687 418504 : retval = state->retval;
1688 418504 : tevent_req_received(req);
1689 418504 : return retval;
1690 : }
1691 :
1692 1109 : off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
1693 : struct files_struct *fsp, off_t offset,
1694 : int whence)
1695 : {
1696 3112 : VFS_FIND(lseek);
1697 1109 : return handle->fns->lseek_fn(handle, fsp, offset, whence);
1698 : }
1699 :
1700 0 : ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
1701 : files_struct *fromfsp, const DATA_BLOB *header,
1702 : off_t offset, size_t count)
1703 : {
1704 0 : VFS_FIND(sendfile);
1705 0 : return handle->fns->sendfile_fn(handle, tofd, fromfsp, header, offset,
1706 : count);
1707 : }
1708 :
1709 0 : ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
1710 : files_struct *tofsp, off_t offset,
1711 : size_t count)
1712 : {
1713 0 : VFS_FIND(recvfile);
1714 0 : return handle->fns->recvfile_fn(handle, fromfd, tofsp, offset, count);
1715 : }
1716 :
1717 3262 : int smb_vfs_call_renameat(struct vfs_handle_struct *handle,
1718 : files_struct *srcfsp,
1719 : const struct smb_filename *smb_fname_src,
1720 : files_struct *dstfsp,
1721 : const struct smb_filename *smb_fname_dst)
1722 : {
1723 6412 : VFS_FIND(renameat);
1724 3262 : return handle->fns->renameat_fn(handle,
1725 : srcfsp,
1726 : smb_fname_src,
1727 : dstfsp,
1728 : smb_fname_dst);
1729 : }
1730 :
1731 : struct smb_vfs_call_fsync_state {
1732 : int (*recv_fn)(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state);
1733 : int retval;
1734 : struct vfs_aio_state vfs_aio_state;
1735 : };
1736 :
1737 : static void smb_vfs_call_fsync_done(struct tevent_req *subreq);
1738 :
1739 404 : struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
1740 : TALLOC_CTX *mem_ctx,
1741 : struct tevent_context *ev,
1742 : struct files_struct *fsp)
1743 : {
1744 2 : struct tevent_req *req, *subreq;
1745 2 : struct smb_vfs_call_fsync_state *state;
1746 :
1747 404 : req = tevent_req_create(mem_ctx, &state,
1748 : struct smb_vfs_call_fsync_state);
1749 404 : if (req == NULL) {
1750 0 : return NULL;
1751 : }
1752 968 : VFS_FIND(fsync_send);
1753 404 : state->recv_fn = handle->fns->fsync_recv_fn;
1754 :
1755 404 : subreq = handle->fns->fsync_send_fn(handle, state, ev, fsp);
1756 404 : if (tevent_req_nomem(subreq, req)) {
1757 0 : return tevent_req_post(req, ev);
1758 : }
1759 404 : tevent_req_set_callback(subreq, smb_vfs_call_fsync_done, req);
1760 404 : return req;
1761 : }
1762 :
1763 404 : static void smb_vfs_call_fsync_done(struct tevent_req *subreq)
1764 : {
1765 404 : struct tevent_req *req = tevent_req_callback_data(
1766 : subreq, struct tevent_req);
1767 404 : struct smb_vfs_call_fsync_state *state = tevent_req_data(
1768 : req, struct smb_vfs_call_fsync_state);
1769 :
1770 404 : state->retval = state->recv_fn(subreq, &state->vfs_aio_state);
1771 404 : TALLOC_FREE(subreq);
1772 404 : if (state->retval == -1) {
1773 0 : tevent_req_error(req, state->vfs_aio_state.error);
1774 0 : return;
1775 : }
1776 404 : tevent_req_done(req);
1777 : }
1778 :
1779 404 : int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *vfs_aio_state)
1780 : {
1781 404 : struct smb_vfs_call_fsync_state *state = tevent_req_data(
1782 : req, struct smb_vfs_call_fsync_state);
1783 2 : ssize_t retval;
1784 :
1785 404 : if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1786 0 : tevent_req_received(req);
1787 0 : return -1;
1788 : }
1789 404 : *vfs_aio_state = state->vfs_aio_state;
1790 404 : retval = state->retval;
1791 404 : tevent_req_received(req);
1792 404 : return retval;
1793 : }
1794 :
1795 : /*
1796 : * Synchronous version of fsync, built from backend
1797 : * async VFS primitives. Uses a temporary sub-event
1798 : * context (NOT NESTED).
1799 : */
1800 :
1801 7 : int smb_vfs_fsync_sync(files_struct *fsp)
1802 : {
1803 7 : TALLOC_CTX *frame = talloc_stackframe();
1804 7 : struct tevent_req *req = NULL;
1805 7 : struct vfs_aio_state aio_state = { 0 };
1806 7 : int ret = -1;
1807 1 : bool ok;
1808 7 : struct tevent_context *ev = samba_tevent_context_init(frame);
1809 :
1810 7 : if (ev == NULL) {
1811 0 : goto out;
1812 : }
1813 :
1814 7 : req = SMB_VFS_FSYNC_SEND(talloc_tos(), ev, fsp);
1815 7 : if (req == NULL) {
1816 0 : goto out;
1817 : }
1818 :
1819 7 : ok = tevent_req_poll(req, ev);
1820 7 : if (!ok) {
1821 0 : goto out;
1822 : }
1823 :
1824 7 : ret = SMB_VFS_FSYNC_RECV(req, &aio_state);
1825 :
1826 7 : out:
1827 :
1828 7 : TALLOC_FREE(frame);
1829 7 : if (aio_state.error != 0) {
1830 0 : errno = aio_state.error;
1831 : }
1832 7 : return ret;
1833 : }
1834 :
1835 21534206 : int smb_vfs_call_stat(struct vfs_handle_struct *handle,
1836 : struct smb_filename *smb_fname)
1837 : {
1838 32946583 : VFS_FIND(stat);
1839 21534206 : return handle->fns->stat_fn(handle, smb_fname);
1840 : }
1841 :
1842 73504741 : int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
1843 : struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1844 : {
1845 126033842 : VFS_FIND(fstat);
1846 73504741 : return handle->fns->fstat_fn(handle, fsp, sbuf);
1847 : }
1848 :
1849 105141 : int smb_vfs_call_lstat(struct vfs_handle_struct *handle,
1850 : struct smb_filename *smb_filename)
1851 : {
1852 142000 : VFS_FIND(lstat);
1853 105141 : return handle->fns->lstat_fn(handle, smb_filename);
1854 : }
1855 :
1856 119149 : int smb_vfs_call_fstatat(
1857 : struct vfs_handle_struct *handle,
1858 : const struct files_struct *dirfsp,
1859 : const struct smb_filename *smb_fname,
1860 : SMB_STRUCT_STAT *sbuf,
1861 : int flags)
1862 : {
1863 256028 : VFS_FIND(fstatat);
1864 119149 : return handle->fns->fstatat_fn(handle, dirfsp, smb_fname, sbuf, flags);
1865 : }
1866 :
1867 3388631 : uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
1868 : struct files_struct *fsp,
1869 : const SMB_STRUCT_STAT *sbuf)
1870 : {
1871 10614852 : VFS_FIND(get_alloc_size);
1872 3388631 : return handle->fns->get_alloc_size_fn(handle, fsp, sbuf);
1873 : }
1874 :
1875 803064 : int smb_vfs_call_unlinkat(struct vfs_handle_struct *handle,
1876 : struct files_struct *dirfsp,
1877 : const struct smb_filename *smb_fname,
1878 : int flags)
1879 : {
1880 1035041 : VFS_FIND(unlinkat);
1881 803064 : return handle->fns->unlinkat_fn(handle,
1882 : dirfsp,
1883 : smb_fname,
1884 : flags);
1885 : }
1886 :
1887 20995 : int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
1888 : struct files_struct *fsp, mode_t mode)
1889 : {
1890 51988 : VFS_FIND(fchmod);
1891 20995 : return handle->fns->fchmod_fn(handle, fsp, mode);
1892 : }
1893 :
1894 213933 : int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
1895 : struct files_struct *fsp, uid_t uid, gid_t gid)
1896 : {
1897 554049 : VFS_FIND(fchown);
1898 213933 : return handle->fns->fchown_fn(handle, fsp, uid, gid);
1899 : }
1900 :
1901 0 : int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
1902 : const struct smb_filename *smb_fname,
1903 : uid_t uid,
1904 : gid_t gid)
1905 : {
1906 0 : VFS_FIND(lchown);
1907 0 : return handle->fns->lchown_fn(handle, smb_fname, uid, gid);
1908 : }
1909 :
1910 3889540 : int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
1911 : const struct smb_filename *smb_fname)
1912 : {
1913 11538224 : VFS_FIND(chdir);
1914 3889540 : return handle->fns->chdir_fn(handle, smb_fname);
1915 : }
1916 :
1917 204392 : struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
1918 : TALLOC_CTX *ctx)
1919 : {
1920 540229 : VFS_FIND(getwd);
1921 204392 : return handle->fns->getwd_fn(handle, ctx);
1922 : }
1923 :
1924 27104 : int smb_vfs_call_fntimes(struct vfs_handle_struct *handle,
1925 : struct files_struct *fsp,
1926 : struct smb_file_time *ft)
1927 : {
1928 71005 : VFS_FIND(fntimes);
1929 27104 : return handle->fns->fntimes_fn(handle, fsp, ft);
1930 : }
1931 :
1932 2453 : int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
1933 : struct files_struct *fsp, off_t offset)
1934 : {
1935 7307 : VFS_FIND(ftruncate);
1936 2453 : return handle->fns->ftruncate_fn(handle, fsp, offset);
1937 : }
1938 :
1939 466 : int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
1940 : struct files_struct *fsp,
1941 : uint32_t mode,
1942 : off_t offset,
1943 : off_t len)
1944 : {
1945 1302 : VFS_FIND(fallocate);
1946 466 : return handle->fns->fallocate_fn(handle, fsp, mode, offset, len);
1947 : }
1948 :
1949 0 : int smb_vfs_call_filesystem_sharemode(struct vfs_handle_struct *handle,
1950 : struct files_struct *fsp,
1951 : uint32_t share_mode,
1952 : uint32_t access_mask)
1953 : {
1954 0 : VFS_FIND(filesystem_sharemode);
1955 0 : return handle->fns->filesystem_sharemode_fn(handle,
1956 : fsp,
1957 : share_mode,
1958 : access_mask);
1959 : }
1960 :
1961 771944 : int smb_vfs_call_fcntl(struct vfs_handle_struct *handle,
1962 : struct files_struct *fsp, int cmd, ...)
1963 : {
1964 898 : int result;
1965 898 : va_list cmd_arg;
1966 :
1967 2311338 : VFS_FIND(fcntl);
1968 :
1969 771944 : va_start(cmd_arg, cmd);
1970 771944 : result = handle->fns->fcntl_fn(handle, fsp, cmd, cmd_arg);
1971 771944 : va_end(cmd_arg);
1972 :
1973 771944 : return result;
1974 : }
1975 :
1976 26 : int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
1977 : struct files_struct *fsp, int leasetype)
1978 : {
1979 38 : VFS_FIND(linux_setlease);
1980 26 : return handle->fns->linux_setlease_fn(handle, fsp, leasetype);
1981 : }
1982 :
1983 160 : int smb_vfs_call_symlinkat(struct vfs_handle_struct *handle,
1984 : const struct smb_filename *link_target,
1985 : struct files_struct *dirfsp,
1986 : const struct smb_filename *new_smb_fname)
1987 : {
1988 448 : VFS_FIND(symlinkat);
1989 160 : return handle->fns->symlinkat_fn(handle,
1990 : link_target,
1991 : dirfsp,
1992 : new_smb_fname);
1993 : }
1994 :
1995 216661 : int smb_vfs_call_readlinkat(struct vfs_handle_struct *handle,
1996 : const struct files_struct *dirfsp,
1997 : const struct smb_filename *smb_fname,
1998 : char *buf,
1999 : size_t bufsiz)
2000 : {
2001 498885 : VFS_FIND(readlinkat);
2002 216661 : return handle->fns->readlinkat_fn(handle,
2003 : dirfsp,
2004 : smb_fname,
2005 : buf,
2006 : bufsiz);
2007 : }
2008 :
2009 107 : int smb_vfs_call_linkat(struct vfs_handle_struct *handle,
2010 : struct files_struct *srcfsp,
2011 : const struct smb_filename *old_smb_fname,
2012 : struct files_struct *dstfsp,
2013 : const struct smb_filename *new_smb_fname,
2014 : int flags)
2015 : {
2016 266 : VFS_FIND(linkat);
2017 107 : return handle->fns->linkat_fn(handle,
2018 : srcfsp,
2019 : old_smb_fname,
2020 : dstfsp,
2021 : new_smb_fname,
2022 : flags);
2023 : }
2024 :
2025 2 : int smb_vfs_call_mknodat(struct vfs_handle_struct *handle,
2026 : struct files_struct *dirfsp,
2027 : const struct smb_filename *smb_fname,
2028 : mode_t mode,
2029 : SMB_DEV_T dev)
2030 : {
2031 6 : VFS_FIND(mknodat);
2032 2 : return handle->fns->mknodat_fn(handle,
2033 : dirfsp,
2034 : smb_fname,
2035 : mode,
2036 : dev);
2037 : }
2038 :
2039 7685339 : struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
2040 : TALLOC_CTX *ctx,
2041 : const struct smb_filename *smb_fname)
2042 : {
2043 22966415 : VFS_FIND(realpath);
2044 7685339 : return handle->fns->realpath_fn(handle, ctx, smb_fname);
2045 : }
2046 :
2047 0 : int smb_vfs_call_fchflags(struct vfs_handle_struct *handle,
2048 : struct files_struct *fsp,
2049 : unsigned int flags)
2050 : {
2051 0 : VFS_FIND(fchflags);
2052 0 : return handle->fns->fchflags_fn(handle, fsp, flags);
2053 : }
2054 :
2055 69114897 : struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
2056 : const SMB_STRUCT_STAT *sbuf)
2057 : {
2058 135209263 : VFS_FIND(file_id_create);
2059 69114897 : return handle->fns->file_id_create_fn(handle, sbuf);
2060 : }
2061 :
2062 1783715 : uint64_t smb_vfs_call_fs_file_id(struct vfs_handle_struct *handle,
2063 : const SMB_STRUCT_STAT *sbuf)
2064 : {
2065 5752626 : VFS_FIND(fs_file_id);
2066 1783715 : return handle->fns->fs_file_id_fn(handle, sbuf);
2067 : }
2068 :
2069 995818 : NTSTATUS smb_vfs_call_fstreaminfo(struct vfs_handle_struct *handle,
2070 : struct files_struct *fsp,
2071 : TALLOC_CTX *mem_ctx,
2072 : unsigned int *num_streams,
2073 : struct stream_struct **streams)
2074 : {
2075 2062322 : VFS_FIND(fstreaminfo);
2076 995818 : return handle->fns->fstreaminfo_fn(handle, fsp, mem_ctx,
2077 : num_streams, streams);
2078 : }
2079 :
2080 548849 : NTSTATUS smb_vfs_call_get_real_filename_at(struct vfs_handle_struct *handle,
2081 : struct files_struct *dirfsp,
2082 : const char *name,
2083 : TALLOC_CTX *mem_ctx,
2084 : char **found_name)
2085 : {
2086 1681550 : VFS_FIND(get_real_filename_at);
2087 548849 : return handle->fns->get_real_filename_at_fn(
2088 : handle, dirfsp, name, mem_ctx, found_name);
2089 : }
2090 :
2091 8315552 : const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
2092 : const struct files_struct *dirfsp,
2093 : const struct smb_filename *smb_fname)
2094 : {
2095 25113517 : VFS_FIND(connectpath);
2096 8315552 : return handle->fns->connectpath_fn(handle, dirfsp, smb_fname);
2097 : }
2098 :
2099 461432 : bool smb_vfs_call_strict_lock_check(struct vfs_handle_struct *handle,
2100 : struct files_struct *fsp,
2101 : struct lock_struct *plock)
2102 : {
2103 1154186 : VFS_FIND(strict_lock_check);
2104 461432 : return handle->fns->strict_lock_check_fn(handle, fsp, plock);
2105 : }
2106 :
2107 320027662 : NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
2108 : const char *name,
2109 : enum vfs_translate_direction direction,
2110 : TALLOC_CTX *mem_ctx,
2111 : char **mapped_name)
2112 : {
2113 868115732 : VFS_FIND(translate_name);
2114 320027662 : return handle->fns->translate_name_fn(handle, name, direction, mem_ctx,
2115 : mapped_name);
2116 : }
2117 :
2118 8901399 : NTSTATUS smb_vfs_call_parent_pathname(struct vfs_handle_struct *handle,
2119 : TALLOC_CTX *mem_ctx,
2120 : const struct smb_filename *smb_fname_in,
2121 : struct smb_filename **parent_dir_out,
2122 : struct smb_filename **atname_out)
2123 : {
2124 26875023 : VFS_FIND(parent_pathname);
2125 8901399 : return handle->fns->parent_pathname_fn(handle,
2126 : mem_ctx,
2127 : smb_fname_in,
2128 : parent_dir_out,
2129 : atname_out);
2130 : }
2131 :
2132 4116 : NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
2133 : struct files_struct *fsp,
2134 : TALLOC_CTX *ctx,
2135 : uint32_t function,
2136 : uint16_t req_flags,
2137 : const uint8_t *in_data,
2138 : uint32_t in_len,
2139 : uint8_t **out_data,
2140 : uint32_t max_out_len,
2141 : uint32_t *out_len)
2142 : {
2143 9418 : VFS_FIND(fsctl);
2144 4116 : return handle->fns->fsctl_fn(handle, fsp, ctx, function, req_flags,
2145 : in_data, in_len, out_data, max_out_len,
2146 : out_len);
2147 : }
2148 :
2149 2859605 : NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
2150 : struct files_struct *fsp,
2151 : uint32_t *dosmode)
2152 : {
2153 9015658 : VFS_FIND(fget_dos_attributes);
2154 2859605 : return handle->fns->fget_dos_attributes_fn(handle, fsp, dosmode);
2155 : }
2156 :
2157 350436 : NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
2158 : struct files_struct *fsp,
2159 : uint32_t dosmode)
2160 : {
2161 1061863 : VFS_FIND(fset_dos_attributes);
2162 350436 : return handle->fns->fset_dos_attributes_fn(handle, fsp, dosmode);
2163 : }
2164 :
2165 680 : struct tevent_req *smb_vfs_call_offload_read_send(TALLOC_CTX *mem_ctx,
2166 : struct tevent_context *ev,
2167 : struct vfs_handle_struct *handle,
2168 : struct files_struct *fsp,
2169 : uint32_t fsctl,
2170 : uint32_t ttl,
2171 : off_t offset,
2172 : size_t to_copy)
2173 : {
2174 1890 : VFS_FIND(offload_read_send);
2175 680 : return handle->fns->offload_read_send_fn(mem_ctx, ev, handle,
2176 : fsp, fsctl,
2177 : ttl, offset, to_copy);
2178 : }
2179 :
2180 680 : NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
2181 : struct vfs_handle_struct *handle,
2182 : TALLOC_CTX *mem_ctx,
2183 : uint32_t *flags,
2184 : uint64_t *xferlen,
2185 : DATA_BLOB *token_blob)
2186 : {
2187 1890 : VFS_FIND(offload_read_recv);
2188 680 : return handle->fns->offload_read_recv_fn(req, handle, mem_ctx, flags, xferlen, token_blob);
2189 : }
2190 :
2191 760 : struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
2192 : TALLOC_CTX *mem_ctx,
2193 : struct tevent_context *ev,
2194 : uint32_t fsctl,
2195 : DATA_BLOB *token,
2196 : off_t transfer_offset,
2197 : struct files_struct *dest_fsp,
2198 : off_t dest_off,
2199 : off_t num)
2200 : {
2201 2114 : VFS_FIND(offload_write_send);
2202 760 : return handle->fns->offload_write_send_fn(handle, mem_ctx, ev, fsctl,
2203 : token, transfer_offset,
2204 : dest_fsp, dest_off, num);
2205 : }
2206 :
2207 760 : NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
2208 : struct tevent_req *req,
2209 : off_t *copied)
2210 : {
2211 2114 : VFS_FIND(offload_write_recv);
2212 760 : return handle->fns->offload_write_recv_fn(handle, req, copied);
2213 : }
2214 :
2215 : struct smb_vfs_call_get_dos_attributes_state {
2216 : files_struct *dir_fsp;
2217 : NTSTATUS (*recv_fn)(struct tevent_req *req,
2218 : struct vfs_aio_state *aio_state,
2219 : uint32_t *dosmode);
2220 : struct vfs_aio_state aio_state;
2221 : uint32_t dos_attributes;
2222 : };
2223 :
2224 : static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq);
2225 :
2226 20138 : struct tevent_req *smb_vfs_call_get_dos_attributes_send(
2227 : TALLOC_CTX *mem_ctx,
2228 : struct tevent_context *ev,
2229 : struct vfs_handle_struct *handle,
2230 : files_struct *dir_fsp,
2231 : struct smb_filename *smb_fname)
2232 : {
2233 20138 : struct tevent_req *req = NULL;
2234 20138 : struct smb_vfs_call_get_dos_attributes_state *state = NULL;
2235 20138 : struct tevent_req *subreq = NULL;
2236 :
2237 20138 : req = tevent_req_create(mem_ctx, &state,
2238 : struct smb_vfs_call_get_dos_attributes_state);
2239 20138 : if (req == NULL) {
2240 0 : return NULL;
2241 : }
2242 :
2243 50366 : VFS_FIND(get_dos_attributes_send);
2244 :
2245 20138 : *state = (struct smb_vfs_call_get_dos_attributes_state) {
2246 : .dir_fsp = dir_fsp,
2247 20138 : .recv_fn = handle->fns->get_dos_attributes_recv_fn,
2248 : };
2249 :
2250 20138 : subreq = handle->fns->get_dos_attributes_send_fn(mem_ctx,
2251 : ev,
2252 : handle,
2253 : dir_fsp,
2254 : smb_fname);
2255 20138 : if (tevent_req_nomem(subreq, req)) {
2256 0 : return tevent_req_post(req, ev);
2257 : }
2258 20138 : tevent_req_defer_callback(req, ev);
2259 :
2260 20138 : tevent_req_set_callback(subreq,
2261 : smb_vfs_call_get_dos_attributes_done,
2262 : req);
2263 :
2264 20138 : return req;
2265 : }
2266 :
2267 20138 : static void smb_vfs_call_get_dos_attributes_done(struct tevent_req *subreq)
2268 : {
2269 0 : struct tevent_req *req =
2270 20138 : tevent_req_callback_data(subreq,
2271 : struct tevent_req);
2272 0 : struct smb_vfs_call_get_dos_attributes_state *state =
2273 20138 : tevent_req_data(req,
2274 : struct smb_vfs_call_get_dos_attributes_state);
2275 0 : NTSTATUS status;
2276 0 : bool ok;
2277 :
2278 : /*
2279 : * Make sure we run as the user again
2280 : */
2281 20138 : ok = change_to_user_and_service_by_fsp(state->dir_fsp);
2282 20138 : SMB_ASSERT(ok);
2283 :
2284 20138 : status = state->recv_fn(subreq,
2285 : &state->aio_state,
2286 : &state->dos_attributes);
2287 20138 : TALLOC_FREE(subreq);
2288 20138 : if (tevent_req_nterror(req, status)) {
2289 120 : return;
2290 : }
2291 :
2292 20018 : tevent_req_done(req);
2293 : }
2294 :
2295 20138 : NTSTATUS smb_vfs_call_get_dos_attributes_recv(
2296 : struct tevent_req *req,
2297 : struct vfs_aio_state *aio_state,
2298 : uint32_t *dos_attributes)
2299 : {
2300 0 : struct smb_vfs_call_get_dos_attributes_state *state =
2301 20138 : tevent_req_data(req,
2302 : struct smb_vfs_call_get_dos_attributes_state);
2303 0 : NTSTATUS status;
2304 :
2305 20138 : if (tevent_req_is_nterror(req, &status)) {
2306 120 : tevent_req_received(req);
2307 120 : return status;
2308 : }
2309 :
2310 20018 : *aio_state = state->aio_state;
2311 20018 : *dos_attributes = state->dos_attributes;
2312 20018 : tevent_req_received(req);
2313 20018 : return NT_STATUS_OK;
2314 : }
2315 :
2316 0 : NTSTATUS smb_vfs_call_fget_compression(vfs_handle_struct *handle,
2317 : TALLOC_CTX *mem_ctx,
2318 : struct files_struct *fsp,
2319 : uint16_t *_compression_fmt)
2320 : {
2321 0 : VFS_FIND(fget_compression);
2322 0 : return handle->fns->fget_compression_fn(handle, mem_ctx, fsp,
2323 : _compression_fmt);
2324 : }
2325 :
2326 0 : NTSTATUS smb_vfs_call_set_compression(vfs_handle_struct *handle,
2327 : TALLOC_CTX *mem_ctx,
2328 : struct files_struct *fsp,
2329 : uint16_t compression_fmt)
2330 : {
2331 0 : VFS_FIND(set_compression);
2332 0 : return handle->fns->set_compression_fn(handle, mem_ctx, fsp,
2333 : compression_fmt);
2334 : }
2335 :
2336 68 : NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
2337 : TALLOC_CTX *mem_ctx,
2338 : const char *service_path,
2339 : char **base_volume)
2340 : {
2341 68 : VFS_FIND(snap_check_path);
2342 68 : return handle->fns->snap_check_path_fn(handle, mem_ctx, service_path,
2343 : base_volume);
2344 : }
2345 :
2346 16 : NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
2347 : TALLOC_CTX *mem_ctx,
2348 : const char *base_volume,
2349 : time_t *tstamp,
2350 : bool rw,
2351 : char **base_path,
2352 : char **snap_path)
2353 : {
2354 16 : VFS_FIND(snap_create);
2355 16 : return handle->fns->snap_create_fn(handle, mem_ctx, base_volume, tstamp,
2356 : rw, base_path, snap_path);
2357 : }
2358 :
2359 10 : NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
2360 : TALLOC_CTX *mem_ctx,
2361 : char *base_path,
2362 : char *snap_path)
2363 : {
2364 10 : VFS_FIND(snap_delete);
2365 10 : return handle->fns->snap_delete_fn(handle, mem_ctx, base_path,
2366 : snap_path);
2367 : }
2368 :
2369 1513318 : NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
2370 : struct files_struct *fsp,
2371 : uint32_t security_info,
2372 : TALLOC_CTX *mem_ctx,
2373 : struct security_descriptor **ppdesc)
2374 : {
2375 2917532 : VFS_FIND(fget_nt_acl);
2376 1513318 : return handle->fns->fget_nt_acl_fn(handle, fsp, security_info,
2377 : mem_ctx, ppdesc);
2378 : }
2379 :
2380 499029 : NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
2381 : struct files_struct *fsp,
2382 : uint32_t security_info_sent,
2383 : const struct security_descriptor *psd)
2384 : {
2385 1038310 : VFS_FIND(fset_nt_acl);
2386 499029 : return handle->fns->fset_nt_acl_fn(handle, fsp, security_info_sent,
2387 : psd);
2388 : }
2389 :
2390 0 : NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
2391 : struct smb_filename *file,
2392 : struct security_acl *sacl,
2393 : uint32_t access_requested,
2394 : uint32_t access_denied)
2395 : {
2396 0 : VFS_FIND(audit_file);
2397 0 : return handle->fns->audit_file_fn(handle,
2398 : file,
2399 : sacl,
2400 : access_requested,
2401 : access_denied);
2402 : }
2403 :
2404 1935317 : SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
2405 : struct files_struct *fsp,
2406 : SMB_ACL_TYPE_T type,
2407 : TALLOC_CTX *mem_ctx)
2408 : {
2409 2916805 : VFS_FIND(sys_acl_get_fd);
2410 1935317 : return handle->fns->sys_acl_get_fd_fn(handle, fsp, type, mem_ctx);
2411 : }
2412 :
2413 796808 : int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
2414 : struct files_struct *fsp,
2415 : TALLOC_CTX *mem_ctx,
2416 : char **blob_description,
2417 : DATA_BLOB *blob)
2418 : {
2419 806624 : VFS_FIND(sys_acl_blob_get_fd);
2420 796808 : return handle->fns->sys_acl_blob_get_fd_fn(handle, fsp, mem_ctx, blob_description, blob);
2421 : }
2422 :
2423 329401 : int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
2424 : struct files_struct *fsp,
2425 : SMB_ACL_TYPE_T type,
2426 : SMB_ACL_T theacl)
2427 : {
2428 402658 : VFS_FIND(sys_acl_set_fd);
2429 329401 : return handle->fns->sys_acl_set_fd_fn(handle, fsp, type, theacl);
2430 : }
2431 :
2432 321 : int smb_vfs_call_sys_acl_delete_def_fd(struct vfs_handle_struct *handle,
2433 : struct files_struct *fsp)
2434 : {
2435 788 : VFS_FIND(sys_acl_delete_def_fd);
2436 321 : return handle->fns->sys_acl_delete_def_fd_fn(handle, fsp);
2437 : }
2438 :
2439 : struct smb_vfs_call_getxattrat_state {
2440 : files_struct *dir_fsp;
2441 : ssize_t (*recv_fn)(struct tevent_req *req,
2442 : struct vfs_aio_state *aio_state,
2443 : TALLOC_CTX *mem_ctx,
2444 : uint8_t **xattr_value);
2445 : ssize_t retval;
2446 : uint8_t *xattr_value;
2447 : struct vfs_aio_state aio_state;
2448 : };
2449 :
2450 : static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq);
2451 :
2452 20140 : struct tevent_req *smb_vfs_call_getxattrat_send(
2453 : TALLOC_CTX *mem_ctx,
2454 : struct tevent_context *ev,
2455 : struct vfs_handle_struct *handle,
2456 : files_struct *dir_fsp,
2457 : const struct smb_filename *smb_fname,
2458 : const char *xattr_name,
2459 : size_t alloc_hint)
2460 : {
2461 20140 : struct tevent_req *req = NULL;
2462 20140 : struct smb_vfs_call_getxattrat_state *state = NULL;
2463 20140 : struct tevent_req *subreq = NULL;
2464 :
2465 20140 : req = tevent_req_create(mem_ctx, &state,
2466 : struct smb_vfs_call_getxattrat_state);
2467 20140 : if (req == NULL) {
2468 0 : return NULL;
2469 : }
2470 :
2471 40308 : VFS_FIND(getxattrat_send);
2472 :
2473 20140 : *state = (struct smb_vfs_call_getxattrat_state) {
2474 : .dir_fsp = dir_fsp,
2475 20140 : .recv_fn = handle->fns->getxattrat_recv_fn,
2476 : };
2477 :
2478 20140 : subreq = handle->fns->getxattrat_send_fn(mem_ctx,
2479 : ev,
2480 : handle,
2481 : dir_fsp,
2482 : smb_fname,
2483 : xattr_name,
2484 : alloc_hint);
2485 20140 : if (tevent_req_nomem(subreq, req)) {
2486 0 : return tevent_req_post(req, ev);
2487 : }
2488 20140 : tevent_req_defer_callback(req, ev);
2489 :
2490 20140 : tevent_req_set_callback(subreq, smb_vfs_call_getxattrat_done, req);
2491 20140 : return req;
2492 : }
2493 :
2494 20140 : static void smb_vfs_call_getxattrat_done(struct tevent_req *subreq)
2495 : {
2496 20140 : struct tevent_req *req = tevent_req_callback_data(
2497 : subreq, struct tevent_req);
2498 20140 : struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
2499 : req, struct smb_vfs_call_getxattrat_state);
2500 0 : bool ok;
2501 :
2502 : /*
2503 : * Make sure we run as the user again
2504 : */
2505 20140 : ok = change_to_user_and_service_by_fsp(state->dir_fsp);
2506 20140 : SMB_ASSERT(ok);
2507 :
2508 20140 : state->retval = state->recv_fn(subreq,
2509 : &state->aio_state,
2510 : state,
2511 : &state->xattr_value);
2512 20140 : TALLOC_FREE(subreq);
2513 20140 : if (state->retval == -1) {
2514 122 : tevent_req_error(req, state->aio_state.error);
2515 122 : return;
2516 : }
2517 :
2518 20018 : tevent_req_done(req);
2519 : }
2520 :
2521 20140 : ssize_t smb_vfs_call_getxattrat_recv(struct tevent_req *req,
2522 : struct vfs_aio_state *aio_state,
2523 : TALLOC_CTX *mem_ctx,
2524 : uint8_t **xattr_value)
2525 : {
2526 20140 : struct smb_vfs_call_getxattrat_state *state = tevent_req_data(
2527 : req, struct smb_vfs_call_getxattrat_state);
2528 0 : size_t xattr_size;
2529 :
2530 20140 : if (tevent_req_is_unix_error(req, &aio_state->error)) {
2531 122 : tevent_req_received(req);
2532 122 : return -1;
2533 : }
2534 :
2535 20018 : *aio_state = state->aio_state;
2536 20018 : xattr_size = state->retval;
2537 20018 : if (xattr_value != NULL) {
2538 20018 : *xattr_value = talloc_move(mem_ctx, &state->xattr_value);
2539 : }
2540 :
2541 20018 : tevent_req_received(req);
2542 20018 : return xattr_size;
2543 : }
2544 :
2545 25650735 : ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
2546 : struct files_struct *fsp, const char *name,
2547 : void *value, size_t size)
2548 : {
2549 28949512 : VFS_FIND(fgetxattr);
2550 25650735 : return handle->fns->fgetxattr_fn(handle, fsp, name, value, size);
2551 : }
2552 :
2553 1483785 : ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
2554 : struct files_struct *fsp, char *list,
2555 : size_t size)
2556 : {
2557 2603410 : VFS_FIND(flistxattr);
2558 1483785 : return handle->fns->flistxattr_fn(handle, fsp, list, size);
2559 : }
2560 :
2561 4485 : int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
2562 : struct files_struct *fsp, const char *name)
2563 : {
2564 7007 : VFS_FIND(fremovexattr);
2565 4485 : return handle->fns->fremovexattr_fn(handle, fsp, name);
2566 : }
2567 :
2568 1123268 : int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
2569 : struct files_struct *fsp, const char *name,
2570 : const void *value, size_t size, int flags)
2571 : {
2572 1593922 : VFS_FIND(fsetxattr);
2573 1123268 : return handle->fns->fsetxattr_fn(handle, fsp, name, value, size, flags);
2574 : }
2575 :
2576 195 : bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
2577 : struct files_struct *fsp)
2578 : {
2579 540 : VFS_FIND(aio_force);
2580 195 : return handle->fns->aio_force_fn(handle, fsp);
2581 : }
2582 :
2583 1318 : NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
2584 : struct files_struct *fsp,
2585 : TALLOC_CTX *mem_ctx,
2586 : DATA_BLOB *cookie)
2587 : {
2588 3670 : VFS_FIND(durable_cookie);
2589 1318 : return handle->fns->durable_cookie_fn(handle, fsp, mem_ctx, cookie);
2590 : }
2591 :
2592 392 : NTSTATUS smb_vfs_call_durable_disconnect(struct vfs_handle_struct *handle,
2593 : struct files_struct *fsp,
2594 : const DATA_BLOB old_cookie,
2595 : TALLOC_CTX *mem_ctx,
2596 : DATA_BLOB *new_cookie)
2597 : {
2598 1106 : VFS_FIND(durable_disconnect);
2599 392 : return handle->fns->durable_disconnect_fn(handle, fsp, old_cookie,
2600 : mem_ctx, new_cookie);
2601 : }
2602 :
2603 378 : NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
2604 : struct smb_request *smb1req,
2605 : struct smbXsrv_open *op,
2606 : const DATA_BLOB old_cookie,
2607 : TALLOC_CTX *mem_ctx,
2608 : struct files_struct **fsp,
2609 : DATA_BLOB *new_cookie)
2610 : {
2611 1050 : VFS_FIND(durable_reconnect);
2612 378 : return handle->fns->durable_reconnect_fn(handle, smb1req, op,
2613 : old_cookie, mem_ctx, fsp,
2614 : new_cookie);
2615 : }
2616 :
2617 1738437 : NTSTATUS smb_vfs_call_freaddir_attr(struct vfs_handle_struct *handle,
2618 : struct files_struct *fsp,
2619 : TALLOC_CTX *mem_ctx,
2620 : struct readdir_attr_data **attr_data)
2621 : {
2622 5629632 : VFS_FIND(freaddir_attr);
2623 1738437 : return handle->fns->freaddir_attr_fn(handle,
2624 : fsp,
2625 : mem_ctx,
2626 : attr_data);
2627 : }
2628 :
2629 16496 : bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
2630 : struct files_struct *fsp, int op, off_t offset,
2631 : off_t count, int type)
2632 : {
2633 37806 : VFS_FIND(lock);
2634 16496 : return handle->fns->lock_fn(handle, fsp, op, offset, count, type);
2635 : }
2636 :
2637 466196 : bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
2638 : struct files_struct *fsp, off_t *poffset,
2639 : off_t *pcount, int *ptype, pid_t *ppid)
2640 : {
2641 1161686 : VFS_FIND(getlock);
2642 466196 : return handle->fns->getlock_fn(handle, fsp, poffset, pcount, ptype,
2643 : ppid);
2644 : }
2645 :
2646 17121 : NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
2647 : struct byte_range_lock *br_lck,
2648 : struct lock_struct *plock)
2649 : {
2650 40381 : VFS_FIND(brl_lock_windows);
2651 17121 : return handle->fns->brl_lock_windows_fn(handle, br_lck, plock);
2652 : }
2653 :
2654 8447 : bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
2655 : struct byte_range_lock *br_lck,
2656 : const struct lock_struct *plock)
2657 : {
2658 20079 : VFS_FIND(brl_unlock_windows);
2659 8447 : return handle->fns->brl_unlock_windows_fn(handle, br_lck, plock);
2660 : }
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