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s3: Add an async smbsock_connect
[Samba.git] / source3 / modules / vfs_acl_xattr.c
blob49e48998790872fa146188f36476c252fa3140ce
1 /*
2 * Store Windows ACLs in xattrs.
3 *
4 * Copyright (C) Volker Lendecke, 2008
5 * Copyright (C) Jeremy Allison, 2008
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21 /* NOTE: This is an experimental module, not yet finished. JRA. */
22
23 #include "includes.h"
24 #include "librpc/gen_ndr/xattr.h"
25 #include "librpc/gen_ndr/ndr_xattr.h"
26
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_VFS
29
30 /*******************************************************************
31 Parse out a struct security_descriptor from a DATA_BLOB.
32 *******************************************************************/
33
34 static NTSTATUS parse_acl_blob(const DATA_BLOB *pblob,
35 uint32 security_info,
36 struct security_descriptor **ppdesc)
37 {
38 TALLOC_CTX *ctx = talloc_tos();
39 struct xattr_NTACL xacl;
40 enum ndr_err_code ndr_err;
41 size_t sd_size;
42
43 ndr_err = ndr_pull_struct_blob(pblob, ctx, NULL, &xacl,
44 (ndr_pull_flags_fn_t)ndr_pull_xattr_NTACL);
45
46 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
47 DEBUG(5, ("parse_acl_blob: ndr_pull_xattr_NTACL failed: %s\n",
48 ndr_errstr(ndr_err)));
49 return ndr_map_error2ntstatus(ndr_err);;
50 }
51
52 if (xacl.version != 2) {
53 return NT_STATUS_REVISION_MISMATCH;
54 }
55
56 *ppdesc = make_sec_desc(ctx, SEC_DESC_REVISION, xacl.info.sd_hs->sd->type | SEC_DESC_SELF_RELATIVE,
57 (security_info & OWNER_SECURITY_INFORMATION)
58 ? xacl.info.sd_hs->sd->owner_sid : NULL,
59 (security_info & GROUP_SECURITY_INFORMATION)
60 ? xacl.info.sd_hs->sd->group_sid : NULL,
61 (security_info & SACL_SECURITY_INFORMATION)
62 ? xacl.info.sd_hs->sd->sacl : NULL,
63 (security_info & DACL_SECURITY_INFORMATION)
64 ? xacl.info.sd_hs->sd->dacl : NULL,
65 &sd_size);
66
67 TALLOC_FREE(xacl.info.sd);
68
69 return (*ppdesc != NULL) ? NT_STATUS_OK : NT_STATUS_NO_MEMORY;
70 }
71
72 /*******************************************************************
73 Pull a security descriptor into a DATA_BLOB from a xattr.
74 *******************************************************************/
75
76 static NTSTATUS get_acl_blob(TALLOC_CTX *ctx,
77 vfs_handle_struct *handle,
78 files_struct *fsp,
79 const char *name,
80 DATA_BLOB *pblob)
81 {
82 size_t size = 1024;
83 uint8_t *val = NULL;
84 uint8_t *tmp;
85 ssize_t sizeret;
86 int saved_errno = 0;
87
88 ZERO_STRUCTP(pblob);
89
90 again:
91
92 tmp = TALLOC_REALLOC_ARRAY(ctx, val, uint8_t, size);
93 if (tmp == NULL) {
94 TALLOC_FREE(val);
95 return NT_STATUS_NO_MEMORY;
96 }
97 val = tmp;
98
99 become_root();
100 if (fsp && fsp->fh->fd != -1) {
101 sizeret = SMB_VFS_FGETXATTR(fsp, XATTR_NTACL_NAME, val, size);
102 } else {
103 sizeret = SMB_VFS_GETXATTR(handle->conn, name,
104 XATTR_NTACL_NAME, val, size);
105 }
106 if (sizeret == -1) {
107 saved_errno = errno;
108 }
109 unbecome_root();
110
111 /* Max ACL size is 65536 bytes. */
112 if (sizeret == -1) {
113 errno = saved_errno;
114 if ((errno == ERANGE) && (size != 65536)) {
115 /* Too small, try again. */
116 size = 65536;
117 goto again;
118 }
119
120 /* Real error - exit here. */
121 TALLOC_FREE(val);
122 return map_nt_error_from_unix(errno);
123 }
124
125 pblob->data = val;
126 pblob->length = sizeret;
127 return NT_STATUS_OK;
128 }
129
130 /*******************************************************************
131 Create a DATA_BLOB from a security descriptor.
132 *******************************************************************/
133
134 static NTSTATUS create_acl_blob(const struct security_descriptor *psd, DATA_BLOB *pblob)
135 {
136 struct xattr_NTACL xacl;
137 struct security_descriptor_hash sd_hs;
138 enum ndr_err_code ndr_err;
139 TALLOC_CTX *ctx = talloc_tos();
140
141 ZERO_STRUCT(xacl);
142 ZERO_STRUCT(sd_hs);
143
144 xacl.version = 2;
145 xacl.info.sd_hs = &sd_hs;
146 xacl.info.sd_hs->sd = CONST_DISCARD(struct security_descriptor *, psd);
147 memset(&xacl.info.sd_hs->hash[0], '\0', 16);
148
149 ndr_err = ndr_push_struct_blob(
150 pblob, ctx, NULL, &xacl,
151 (ndr_push_flags_fn_t)ndr_push_xattr_NTACL);
152
153 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
154 DEBUG(5, ("create_acl_blob: ndr_push_xattr_NTACL failed: %s\n",
155 ndr_errstr(ndr_err)));
156 return ndr_map_error2ntstatus(ndr_err);;
157 }
158
159 return NT_STATUS_OK;
160 }
161
162 /*******************************************************************
163 Store a DATA_BLOB into an xattr given an fsp pointer.
164 *******************************************************************/
165
166 static NTSTATUS store_acl_blob_fsp(vfs_handle_struct *handle,
167 files_struct *fsp,
168 DATA_BLOB *pblob)
169 {
170 int ret;
171 int saved_errno = 0;
172
173 DEBUG(10,("store_acl_blob_fsp: storing blob length %u on file %s\n",
174 (unsigned int)pblob->length, fsp->fsp_name));
175
176 become_root();
177 if (fsp->fh->fd != -1) {
178 ret = SMB_VFS_FSETXATTR(fsp, XATTR_NTACL_NAME,
179 pblob->data, pblob->length, 0);
180 } else {
181 ret = SMB_VFS_SETXATTR(fsp->conn, fsp->fsp_name,
182 XATTR_NTACL_NAME,
183 pblob->data, pblob->length, 0);
184 }
185 if (ret) {
186 saved_errno = errno;
187 }
188 unbecome_root();
189 if (ret) {
190 errno = saved_errno;
191 DEBUG(5, ("store_acl_blob_fsp: setting attr failed for file %s"
192 "with error %s\n",
193 fsp->fsp_name,
194 strerror(errno) ));
195 return map_nt_error_from_unix(errno);
196 }
197 return NT_STATUS_OK;
198 }
199
200 /*******************************************************************
201 Store a DATA_BLOB into an xattr given a pathname.
202 *******************************************************************/
203
204 static NTSTATUS store_acl_blob_pathname(vfs_handle_struct *handle,
205 const char *fname,
206 DATA_BLOB *pblob)
207 {
208 connection_struct *conn = handle->conn;
209 int ret;
210 int saved_errno = 0;
211
212 DEBUG(10,("store_acl_blob_pathname: storing blob "
213 "length %u on file %s\n",
214 (unsigned int)pblob->length, fname));
215
216 become_root();
217 ret = SMB_VFS_SETXATTR(conn, fname,
218 XATTR_NTACL_NAME,
219 pblob->data, pblob->length, 0);
220 if (ret) {
221 saved_errno = errno;
222 }
223 unbecome_root();
224 if (ret) {
225 errno = saved_errno;
226 DEBUG(5, ("store_acl_blob_pathname: setting attr failed "
227 "for file %s with error %s\n",
228 fname,
229 strerror(errno) ));
230 return map_nt_error_from_unix(errno);
231 }
232 return NT_STATUS_OK;
233 }
234
235 /*******************************************************************
236 Store a DATA_BLOB into an xattr given a pathname.
237 *******************************************************************/
238
239 static NTSTATUS get_nt_acl_xattr_internal(vfs_handle_struct *handle,
240 files_struct *fsp,
241 const char *name,
242 uint32 security_info,
243 struct security_descriptor **ppdesc)
244 {
245 TALLOC_CTX *ctx = talloc_tos();
246 DATA_BLOB blob;
247 NTSTATUS status;
248
249 if (fsp && name == NULL) {
250 name = fsp->fsp_name;
251 }
252
253 DEBUG(10, ("get_nt_acl_xattr_internal: name=%s\n", name));
254
255 status = get_acl_blob(ctx, handle, fsp, name, &blob);
256 if (!NT_STATUS_IS_OK(status)) {
257 DEBUG(10, ("get_acl_blob returned %s\n", nt_errstr(status)));
258 return status;
259 }
260
261 status = parse_acl_blob(&blob, security_info, ppdesc);
262 if (!NT_STATUS_IS_OK(status)) {
263 DEBUG(10, ("parse_acl_blob returned %s\n",
264 nt_errstr(status)));
265 return status;
266 }
267
268 TALLOC_FREE(blob.data);
269 return status;
270 }
271
272 /*********************************************************************
273 Create a default security descriptor for a file in case no inheritance
274 exists. All permissions to the owner and SYSTEM.
275 *********************************************************************/
276
277 static struct security_descriptor *default_file_sd(TALLOC_CTX *mem_ctx,
278 SMB_STRUCT_STAT *psbuf)
279 {
280 struct dom_sid owner_sid, group_sid;
281 size_t sd_size;
282 struct security_ace *pace = NULL;
283 struct security_acl *pacl = NULL;
284
285 uid_to_sid(&owner_sid, psbuf->st_uid);
286 gid_to_sid(&group_sid, psbuf->st_gid);
287
288 pace = TALLOC_ARRAY(mem_ctx, struct security_ace, 2);
289 if (!pace) {
290 return NULL;
291 }
292
293 init_sec_ace(&pace[0], &owner_sid, SEC_ACE_TYPE_ACCESS_ALLOWED,
294 SEC_RIGHTS_FILE_ALL, 0);
295 init_sec_ace(&pace[1], &global_sid_System, SEC_ACE_TYPE_ACCESS_ALLOWED,
296 SEC_RIGHTS_FILE_ALL, 0);
297
298 pacl = make_sec_acl(mem_ctx,
299 NT4_ACL_REVISION,
300 2,
301 pace);
302 if (!pacl) {
303 return NULL;
304 }
305 return make_sec_desc(mem_ctx,
306 SECURITY_DESCRIPTOR_REVISION_1,
307 SEC_DESC_SELF_RELATIVE|SEC_DESC_DACL_PRESENT,
308 &owner_sid,
309 &group_sid,
310 NULL,
311 pacl,
312 &sd_size);
313 }
314
315 /*********************************************************************
316 *********************************************************************/
317
318 static NTSTATUS inherit_new_acl(vfs_handle_struct *handle,
319 const char *fname,
320 files_struct *fsp,
321 bool container)
322 {
323 TALLOC_CTX *ctx = talloc_tos();
324 NTSTATUS status;
325 struct security_descriptor *parent_desc = NULL;
326 struct security_descriptor *psd = NULL;
327 DATA_BLOB blob;
328 size_t size;
329 char *parent_name;
330
331 if (!parent_dirname(ctx, fname, &parent_name, NULL)) {
332 return NT_STATUS_NO_MEMORY;
333 }
334
335 DEBUG(10,("inherit_new_acl: check directory %s\n",
336 parent_name));
337
338 status = get_nt_acl_xattr_internal(handle,
339 NULL,
340 parent_name,
341 (OWNER_SECURITY_INFORMATION |
342 GROUP_SECURITY_INFORMATION |
343 DACL_SECURITY_INFORMATION),
344 &parent_desc);
345 if (NT_STATUS_IS_OK(status)) {
346 /* Create an inherited descriptor from the parent. */
347
348 if (DEBUGLEVEL >= 10) {
349 DEBUG(10,("inherit_new_acl: parent acl is:\n"));
350 NDR_PRINT_DEBUG(security_descriptor, parent_desc);
351 }
352
353 status = se_create_child_secdesc(ctx,
354 &psd,
355 &size,
356 parent_desc,
357 &handle->conn->server_info->ptok->user_sids[PRIMARY_USER_SID_INDEX],
358 &handle->conn->server_info->ptok->user_sids[PRIMARY_GROUP_SID_INDEX],
359 container);
360 if (!NT_STATUS_IS_OK(status)) {
361 return status;
362 }
363
364 if (DEBUGLEVEL >= 10) {
365 DEBUG(10,("inherit_new_acl: child acl is:\n"));
366 NDR_PRINT_DEBUG(security_descriptor, psd);
367 }
368
369 } else {
370 DEBUG(10,("inherit_new_acl: directory %s failed "
371 "to get acl %s\n",
372 parent_name,
373 nt_errstr(status) ));
374 }
375
376 if (!psd || psd->dacl == NULL) {
377 SMB_STRUCT_STAT sbuf;
378 int ret;
379
380 TALLOC_FREE(psd);
381 if (fsp && !fsp->is_directory && fsp->fh->fd != -1) {
382 ret = SMB_VFS_FSTAT(fsp, &sbuf);
383 } else {
384 if (fsp && fsp->posix_open) {
385 ret = SMB_VFS_LSTAT(handle->conn,fname, &sbuf);
386 } else {
387 ret = SMB_VFS_STAT(handle->conn,fname, &sbuf);
388 }
389 }
390 if (ret == -1) {
391 return map_nt_error_from_unix(errno);
392 }
393 psd = default_file_sd(ctx, &sbuf);
394 if (!psd) {
395 return NT_STATUS_NO_MEMORY;
396 }
397
398 if (DEBUGLEVEL >= 10) {
399 DEBUG(10,("inherit_new_acl: default acl is:\n"));
400 NDR_PRINT_DEBUG(security_descriptor, psd);
401 }
402 }
403
404 status = create_acl_blob(psd, &blob);
405 if (!NT_STATUS_IS_OK(status)) {
406 return status;
407 }
408 if (fsp) {
409 return store_acl_blob_fsp(handle, fsp, &blob);
410 } else {
411 return store_acl_blob_pathname(handle, fname, &blob);
412 }
413 }
414
415 /*********************************************************************
416 Check ACL on open. For new files inherit from parent directory.
417 *********************************************************************/
418
419 static int open_acl_xattr(vfs_handle_struct *handle,
420 const char *fname,
421 files_struct *fsp,
422 int flags,
423 mode_t mode)
424 {
425 uint32_t access_granted = 0;
426 struct security_descriptor *pdesc = NULL;
427 bool file_existed = true;
428 NTSTATUS status = get_nt_acl_xattr_internal(handle,
429 NULL,
430 fname,
431 (OWNER_SECURITY_INFORMATION |
432 GROUP_SECURITY_INFORMATION |
433 DACL_SECURITY_INFORMATION),
434 &pdesc);
435 if (NT_STATUS_IS_OK(status)) {
436 /* See if we can access it. */
437 status = smb1_file_se_access_check(pdesc,
438 handle->conn->server_info->ptok,
439 fsp->access_mask,
440 &access_granted);
441 if (!NT_STATUS_IS_OK(status)) {
442 DEBUG(10,("open_acl_xattr: file %s open "
443 "refused with error %s\n",
444 fname,
445 nt_errstr(status) ));
446 errno = map_errno_from_nt_status(status);
447 return -1;
448 }
449 } else if (NT_STATUS_EQUAL(status,NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
450 file_existed = false;
451 }
452
453 DEBUG(10,("open_acl_xattr: get_nt_acl_attr_internal for "
454 "file %s returned %s\n",
455 fname,
456 nt_errstr(status) ));
457
458 fsp->fh->fd = SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
459
460 if (!file_existed && fsp->fh->fd != -1) {
461 /* File was created. Inherit from parent directory. */
462 string_set(&fsp->fsp_name, fname);
463 inherit_new_acl(handle, fname, fsp, false);
464 }
465
466 return fsp->fh->fd;
467 }
468
469 static int mkdir_acl_xattr(vfs_handle_struct *handle, const char *path, mode_t mode)
470 {
471 int ret = SMB_VFS_NEXT_MKDIR(handle, path, mode);
472
473 if (ret == -1) {
474 return ret;
475 }
476 /* New directory - inherit from parent. */
477 inherit_new_acl(handle, path, NULL, true);
478 return ret;
479 }
480
481 /*********************************************************************
482 Fetch a security descriptor given an fsp.
483 *********************************************************************/
484
485 static NTSTATUS fget_nt_acl_xattr(vfs_handle_struct *handle, files_struct *fsp,
486 uint32 security_info, struct security_descriptor **ppdesc)
487 {
488 NTSTATUS status = get_nt_acl_xattr_internal(handle, fsp,
489 NULL, security_info, ppdesc);
490 if (NT_STATUS_IS_OK(status)) {
491 if (DEBUGLEVEL >= 10) {
492 DEBUG(10,("fget_nt_acl_xattr: returning xattr sd for file %s\n",
493 fsp->fsp_name));
494 NDR_PRINT_DEBUG(security_descriptor, *ppdesc);
495 }
496 return NT_STATUS_OK;
497 }
498
499 DEBUG(10,("fget_nt_acl_xattr: failed to get xattr sd for file %s, Error %s\n",
500 fsp->fsp_name,
501 nt_errstr(status) ));
502
503 return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp,
504 security_info, ppdesc);
505 }
506
507 /*********************************************************************
508 Fetch a security descriptor given a pathname.
509 *********************************************************************/
510
511 static NTSTATUS get_nt_acl_xattr(vfs_handle_struct *handle,
512 const char *name, uint32 security_info, struct security_descriptor **ppdesc)
513 {
514 NTSTATUS status = get_nt_acl_xattr_internal(handle, NULL,
515 name, security_info, ppdesc);
516 if (NT_STATUS_IS_OK(status)) {
517 if (DEBUGLEVEL >= 10) {
518 DEBUG(10,("get_nt_acl_xattr: returning xattr sd for file %s\n",
519 name));
520 NDR_PRINT_DEBUG(security_descriptor, *ppdesc);
521 }
522 return NT_STATUS_OK;
523 }
524
525 DEBUG(10,("get_nt_acl_xattr: failed to get xattr sd for file %s, Error %s\n",
526 name,
527 nt_errstr(status) ));
528
529 return SMB_VFS_NEXT_GET_NT_ACL(handle, name,
530 security_info, ppdesc);
531 }
532
533 /*********************************************************************
534 Store a security descriptor given an fsp.
535 *********************************************************************/
536
537 static NTSTATUS fset_nt_acl_xattr(vfs_handle_struct *handle, files_struct *fsp,
538 uint32 security_info_sent, const struct security_descriptor *psd)
539 {
540 NTSTATUS status;
541 DATA_BLOB blob;
542
543 if (DEBUGLEVEL >= 10) {
544 DEBUG(10,("fset_nt_acl_xattr: incoming sd for file %s\n",
545 fsp->fsp_name));
546 NDR_PRINT_DEBUG(security_descriptor,
547 CONST_DISCARD(struct security_descriptor *,psd));
548 }
549
550 status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
551 if (!NT_STATUS_IS_OK(status)) {
552 return status;
553 }
554
555 /* Ensure owner and group are set. */
556 if (!psd->owner_sid || !psd->group_sid) {
557 int ret;
558 SMB_STRUCT_STAT sbuf;
559 DOM_SID owner_sid, group_sid;
560 struct security_descriptor *nc_psd = dup_sec_desc(talloc_tos(), psd);
561
562 if (!nc_psd) {
563 return NT_STATUS_OK;
564 }
565 if (fsp->is_directory || fsp->fh->fd == -1) {
566 if (fsp->posix_open) {
567 ret = SMB_VFS_LSTAT(fsp->conn,fsp->fsp_name, &sbuf);
568 } else {
569 ret = SMB_VFS_STAT(fsp->conn,fsp->fsp_name, &sbuf);
570 }
571 } else {
572 ret = SMB_VFS_FSTAT(fsp, &sbuf);
573 }
574 if (ret == -1) {
575 /* Lower level acl set succeeded,
576 * so still return OK. */
577 return NT_STATUS_OK;
578 }
579 create_file_sids(&sbuf, &owner_sid, &group_sid);
580 /* This is safe as nc_psd is discarded at fn exit. */
581 nc_psd->owner_sid = &owner_sid;
582 nc_psd->group_sid = &group_sid;
583 security_info_sent |= (OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION);
584 psd = nc_psd;
585 }
586
587 #if 0
588 if ((security_info_sent & DACL_SECURITY_INFORMATION) &&
589 psd->dacl != NULL &&
590 (psd->type & (SE_DESC_DACL_AUTO_INHERITED|
591 SE_DESC_DACL_AUTO_INHERIT_REQ))==
592 (SE_DESC_DACL_AUTO_INHERITED|
593 SE_DESC_DACL_AUTO_INHERIT_REQ) ) {
594 struct security_descriptor *new_psd = NULL;
595 status = append_parent_acl(fsp, psd, &new_psd);
596 if (!NT_STATUS_IS_OK(status)) {
597 /* Lower level acl set succeeded,
598 * so still return OK. */
599 return NT_STATUS_OK;
600 }
601 psd = new_psd;
602 }
603 #endif
604
605 if (DEBUGLEVEL >= 10) {
606 DEBUG(10,("fset_nt_acl_xattr: storing xattr sd for file %s\n",
607 fsp->fsp_name));
608 NDR_PRINT_DEBUG(security_descriptor,
609 CONST_DISCARD(struct security_descriptor *,psd));
610 }
611 create_acl_blob(psd, &blob);
612 store_acl_blob_fsp(handle, fsp, &blob);
613
614 return NT_STATUS_OK;
615 }
616
617 /*********************************************************************
618 Remove a Windows ACL - we're setting the underlying POSIX ACL.
619 *********************************************************************/
620
621 static int sys_acl_set_file_xattr(vfs_handle_struct *handle,
622 const char *name,
623 SMB_ACL_TYPE_T type,
624 SMB_ACL_T theacl)
625 {
626 int ret = SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle,
627 name,
628 type,
629 theacl);
630 if (ret == -1) {
631 return -1;
632 }
633
634 become_root();
635 SMB_VFS_REMOVEXATTR(handle->conn, name, XATTR_NTACL_NAME);
636 unbecome_root();
637
638 return ret;
639 }
640
641 /*********************************************************************
642 Remove a Windows ACL - we're setting the underlying POSIX ACL.
643 *********************************************************************/
644
645 static int sys_acl_set_fd_xattr(vfs_handle_struct *handle,
646 files_struct *fsp,
647 SMB_ACL_T theacl)
648 {
649 int ret = SMB_VFS_NEXT_SYS_ACL_SET_FD(handle,
650 fsp,
651 theacl);
652 if (ret == -1) {
653 return -1;
654 }
655
656 become_root();
657 SMB_VFS_FREMOVEXATTR(fsp, XATTR_NTACL_NAME);
658 unbecome_root();
659
660 return ret;
661 }
662
663 /* VFS operations structure */
664
665 static vfs_op_tuple skel_op_tuples[] =
666 {
667 {SMB_VFS_OP(mkdir_acl_xattr), SMB_VFS_OP_MKDIR, SMB_VFS_LAYER_TRANSPARENT},
668 {SMB_VFS_OP(open_acl_xattr), SMB_VFS_OP_OPEN, SMB_VFS_LAYER_TRANSPARENT},
669
670 /* NT File ACL operations */
671
672 {SMB_VFS_OP(fget_nt_acl_xattr),SMB_VFS_OP_FGET_NT_ACL,SMB_VFS_LAYER_TRANSPARENT},
673 {SMB_VFS_OP(get_nt_acl_xattr), SMB_VFS_OP_GET_NT_ACL, SMB_VFS_LAYER_TRANSPARENT},
674 {SMB_VFS_OP(fset_nt_acl_xattr),SMB_VFS_OP_FSET_NT_ACL,SMB_VFS_LAYER_TRANSPARENT},
675
676 /* POSIX ACL operations. */
677 {SMB_VFS_OP(sys_acl_set_file_xattr), SMB_VFS_OP_SYS_ACL_SET_FILE, SMB_VFS_LAYER_TRANSPARENT},
678 {SMB_VFS_OP(sys_acl_set_fd_xattr), SMB_VFS_OP_SYS_ACL_SET_FD, SMB_VFS_LAYER_TRANSPARENT},
679
680 {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
681 };
682
683 NTSTATUS vfs_acl_xattr_init(void)
684 {
685 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "acl_xattr", skel_op_tuples);
686 }
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