source: vendor/3.5.2/source3/smbd/smb2_create.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 21.3 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 Core SMB2 server
4
5 Copyright (C) Stefan Metzmacher 2009
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#include "includes.h"
22#include "smbd/globals.h"
23#include "../libcli/smb/smb_common.h"
24
25static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
26 struct tevent_context *ev,
27 struct smbd_smb2_request *smb2req,
28 uint8_t in_oplock_level,
29 uint32_t in_impersonation_level,
30 uint32_t in_desired_access,
31 uint32_t in_file_attributes,
32 uint32_t in_share_access,
33 uint32_t in_create_disposition,
34 uint32_t in_create_options,
35 const char *in_name,
36 struct smb2_create_blobs in_context_blobs);
37static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
38 TALLOC_CTX *mem_ctx,
39 uint8_t *out_oplock_level,
40 uint32_t *out_create_action,
41 NTTIME *out_creation_time,
42 NTTIME *out_last_access_time,
43 NTTIME *out_last_write_time,
44 NTTIME *out_change_time,
45 uint64_t *out_allocation_size,
46 uint64_t *out_end_of_file,
47 uint32_t *out_file_attributes,
48 uint64_t *out_file_id_volatile,
49 struct smb2_create_blobs *out_context_blobs);
50
51static void smbd_smb2_request_create_done(struct tevent_req *subreq);
52NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *req)
53{
54 const uint8_t *inbody;
55 int i = req->current_idx;
56 size_t expected_body_size = 0x39;
57 size_t body_size;
58 uint8_t in_oplock_level;
59 uint32_t in_impersonation_level;
60 uint32_t in_desired_access;
61 uint32_t in_file_attributes;
62 uint32_t in_share_access;
63 uint32_t in_create_disposition;
64 uint32_t in_create_options;
65 uint16_t in_name_offset;
66 uint16_t in_name_length;
67 DATA_BLOB in_name_buffer;
68 char *in_name_string;
69 size_t in_name_string_size;
70 uint32_t name_offset = 0;
71 uint32_t name_available_length = 0;
72 uint32_t in_context_offset;
73 uint32_t in_context_length;
74 DATA_BLOB in_context_buffer;
75 struct smb2_create_blobs in_context_blobs;
76 uint32_t context_offset = 0;
77 uint32_t context_available_length = 0;
78 uint32_t dyn_offset;
79 NTSTATUS status;
80 bool ok;
81 struct tevent_req *subreq;
82
83 if (req->in.vector[i+1].iov_len != (expected_body_size & 0xFFFFFFFE)) {
84 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
85 }
86
87 inbody = (const uint8_t *)req->in.vector[i+1].iov_base;
88
89 body_size = SVAL(inbody, 0x00);
90 if (body_size != expected_body_size) {
91 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
92 }
93
94 in_oplock_level = CVAL(inbody, 0x03);
95 in_impersonation_level = IVAL(inbody, 0x04);
96 in_desired_access = IVAL(inbody, 0x18);
97 in_file_attributes = IVAL(inbody, 0x1C);
98 in_share_access = IVAL(inbody, 0x20);
99 in_create_disposition = IVAL(inbody, 0x24);
100 in_create_options = IVAL(inbody, 0x28);
101 in_name_offset = SVAL(inbody, 0x2C);
102 in_name_length = SVAL(inbody, 0x2E);
103 in_context_offset = IVAL(inbody, 0x30);
104 in_context_length = IVAL(inbody, 0x34);
105
106 /*
107 * First check if the dynamic name and context buffers
108 * are correctly specified.
109 *
110 * Note: That we don't check if the name and context buffers
111 * overlap
112 */
113
114 dyn_offset = SMB2_HDR_BODY + (body_size & 0xFFFFFFFE);
115
116 if (in_name_offset == 0 && in_name_length == 0) {
117 /* This is ok */
118 name_offset = 0;
119 } else if (in_name_offset < dyn_offset) {
120 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
121 } else {
122 name_offset = in_name_offset - dyn_offset;
123 }
124
125 if (name_offset > req->in.vector[i+2].iov_len) {
126 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
127 }
128
129 name_available_length = req->in.vector[i+2].iov_len - name_offset;
130
131 if (in_name_length > name_available_length) {
132 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
133 }
134
135 in_name_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base +
136 name_offset;
137 in_name_buffer.length = in_name_length;
138
139 if (in_context_offset == 0 && in_context_length == 0) {
140 /* This is ok */
141 context_offset = 0;
142 } else if (in_context_offset < dyn_offset) {
143 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
144 } else {
145 context_offset = in_context_offset - dyn_offset;
146 }
147
148 if (context_offset > req->in.vector[i+2].iov_len) {
149 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
150 }
151
152 context_available_length = req->in.vector[i+2].iov_len - context_offset;
153
154 if (in_context_length > context_available_length) {
155 return smbd_smb2_request_error(req, NT_STATUS_INVALID_PARAMETER);
156 }
157
158 in_context_buffer.data = (uint8_t *)req->in.vector[i+2].iov_base +
159 context_offset;
160 in_context_buffer.length = in_context_length;
161
162 /*
163 * Now interpret the name and context buffers
164 */
165
166 ok = convert_string_talloc(req, CH_UTF16, CH_UNIX,
167 in_name_buffer.data,
168 in_name_buffer.length,
169 &in_name_string,
170 &in_name_string_size, false);
171 if (!ok) {
172 return smbd_smb2_request_error(req, NT_STATUS_ILLEGAL_CHARACTER);
173 }
174
175 ZERO_STRUCT(in_context_blobs);
176 status = smb2_create_blob_parse(req, in_context_buffer, &in_context_blobs);
177 if (!NT_STATUS_IS_OK(status)) {
178 return smbd_smb2_request_error(req, status);
179 }
180
181 subreq = smbd_smb2_create_send(req,
182 req->sconn->smb2.event_ctx,
183 req,
184 in_oplock_level,
185 in_impersonation_level,
186 in_desired_access,
187 in_file_attributes,
188 in_share_access,
189 in_create_disposition,
190 in_create_options,
191 in_name_string,
192 in_context_blobs);
193 if (subreq == NULL) {
194 return smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
195 }
196 tevent_req_set_callback(subreq, smbd_smb2_request_create_done, req);
197
198 return smbd_smb2_request_pending_queue(req, subreq);
199}
200
201static void smbd_smb2_request_create_done(struct tevent_req *subreq)
202{
203 struct smbd_smb2_request *req = tevent_req_callback_data(subreq,
204 struct smbd_smb2_request);
205 int i = req->current_idx;
206 uint8_t *outhdr;
207 DATA_BLOB outbody;
208 DATA_BLOB outdyn;
209 uint8_t out_oplock_level = 0;
210 uint32_t out_create_action = 0;
211 NTTIME out_creation_time = 0;
212 NTTIME out_last_access_time = 0;
213 NTTIME out_last_write_time = 0;
214 NTTIME out_change_time = 0;
215 uint64_t out_allocation_size = 0;
216 uint64_t out_end_of_file = 0;
217 uint32_t out_file_attributes = 0;
218 uint64_t out_file_id_volatile = 0;
219 struct smb2_create_blobs out_context_blobs;
220 DATA_BLOB out_context_buffer;
221 uint16_t out_context_buffer_offset = 0;
222 NTSTATUS status;
223 NTSTATUS error; /* transport error */
224
225 status = smbd_smb2_create_recv(subreq,
226 req,
227 &out_oplock_level,
228 &out_create_action,
229 &out_creation_time,
230 &out_last_access_time,
231 &out_last_write_time,
232 &out_change_time,
233 &out_allocation_size,
234 &out_end_of_file,
235 &out_file_attributes,
236 &out_file_id_volatile,
237 &out_context_blobs);
238 TALLOC_FREE(subreq);
239 if (!NT_STATUS_IS_OK(status)) {
240 error = smbd_smb2_request_error(req, status);
241 if (!NT_STATUS_IS_OK(error)) {
242 smbd_server_connection_terminate(req->sconn,
243 nt_errstr(error));
244 return;
245 }
246 return;
247 }
248
249 status = smb2_create_blob_push(req, &out_context_buffer, out_context_blobs);
250 if (!NT_STATUS_IS_OK(status)) {
251 error = smbd_smb2_request_error(req, status);
252 if (!NT_STATUS_IS_OK(error)) {
253 smbd_server_connection_terminate(req->sconn,
254 nt_errstr(error));
255 return;
256 }
257 return;
258 }
259
260 if (out_context_buffer.length > 0) {
261 out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
262 }
263
264 outhdr = (uint8_t *)req->out.vector[i].iov_base;
265
266 outbody = data_blob_talloc(req->out.vector, NULL, 0x58);
267 if (outbody.data == NULL) {
268 error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
269 if (!NT_STATUS_IS_OK(error)) {
270 smbd_server_connection_terminate(req->sconn,
271 nt_errstr(error));
272 return;
273 }
274 return;
275 }
276
277 SSVAL(outbody.data, 0x00, 0x58 + 1); /* struct size */
278 SCVAL(outbody.data, 0x02,
279 out_oplock_level); /* oplock level */
280 SCVAL(outbody.data, 0x03, 0); /* reserved */
281 SIVAL(outbody.data, 0x04,
282 out_create_action); /* create action */
283 SBVAL(outbody.data, 0x08,
284 out_creation_time); /* creation time */
285 SBVAL(outbody.data, 0x10,
286 out_last_access_time); /* last access time */
287 SBVAL(outbody.data, 0x18,
288 out_last_write_time); /* last write time */
289 SBVAL(outbody.data, 0x20,
290 out_change_time); /* change time */
291 SBVAL(outbody.data, 0x28,
292 out_allocation_size); /* allocation size */
293 SBVAL(outbody.data, 0x30,
294 out_end_of_file); /* end of file */
295 SIVAL(outbody.data, 0x38,
296 out_file_attributes); /* file attributes */
297 SIVAL(outbody.data, 0x3C, 0); /* reserved */
298 SBVAL(outbody.data, 0x40, 0); /* file id (persistent) */
299 SBVAL(outbody.data, 0x48,
300 out_file_id_volatile); /* file id (volatile) */
301 SIVAL(outbody.data, 0x50,
302 out_context_buffer_offset); /* create contexts offset */
303 SIVAL(outbody.data, 0x54,
304 out_context_buffer.length); /* create contexts length */
305
306 outdyn = out_context_buffer;
307
308 error = smbd_smb2_request_done(req, outbody, &outdyn);
309 if (!NT_STATUS_IS_OK(error)) {
310 smbd_server_connection_terminate(req->sconn,
311 nt_errstr(error));
312 return;
313 }
314}
315
316struct smbd_smb2_create_state {
317 struct smbd_smb2_request *smb2req;
318 uint8_t out_oplock_level;
319 uint32_t out_create_action;
320 NTTIME out_creation_time;
321 NTTIME out_last_access_time;
322 NTTIME out_last_write_time;
323 NTTIME out_change_time;
324 uint64_t out_allocation_size;
325 uint64_t out_end_of_file;
326 uint32_t out_file_attributes;
327 uint64_t out_file_id_volatile;
328 struct smb2_create_blobs out_context_blobs;
329};
330
331static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
332 struct tevent_context *ev,
333 struct smbd_smb2_request *smb2req,
334 uint8_t in_oplock_level,
335 uint32_t in_impersonation_level,
336 uint32_t in_desired_access,
337 uint32_t in_file_attributes,
338 uint32_t in_share_access,
339 uint32_t in_create_disposition,
340 uint32_t in_create_options,
341 const char *in_name,
342 struct smb2_create_blobs in_context_blobs)
343{
344 struct tevent_req *req;
345 struct smbd_smb2_create_state *state;
346 NTSTATUS status;
347 struct smb_request *smbreq;
348 files_struct *result;
349 int info;
350 struct timespec write_time_ts;
351 struct smb2_create_blobs out_context_blobs;
352
353 ZERO_STRUCT(out_context_blobs);
354
355 req = tevent_req_create(mem_ctx, &state,
356 struct smbd_smb2_create_state);
357 if (req == NULL) {
358 return NULL;
359 }
360 state->smb2req = smb2req;
361
362 DEBUG(10,("smbd_smb2_create: name[%s]\n",
363 in_name));
364
365 smbreq = smbd_smb2_fake_smb_request(smb2req);
366 if (tevent_req_nomem(smbreq, req)) {
367 return tevent_req_post(req, ev);
368 }
369
370 if (IS_IPC(smbreq->conn)) {
371 const char *pipe_name = in_name;
372
373 if (!lp_nt_pipe_support()) {
374 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
375 return tevent_req_post(req, ev);
376 }
377
378 /* Strip \\ off the name. */
379 if (pipe_name[0] == '\\') {
380 pipe_name++;
381 }
382
383 status = open_np_file(smbreq, pipe_name, &result);
384 if (!NT_STATUS_IS_OK(status)) {
385 tevent_req_nterror(req, status);
386 return tevent_req_post(req, ev);
387 }
388 info = FILE_WAS_OPENED;
389 } else if (CAN_PRINT(smbreq->conn)) {
390 status = file_new(smbreq, smbreq->conn, &result);
391 if(!NT_STATUS_IS_OK(status)) {
392 tevent_req_nterror(req, status);
393 return tevent_req_post(req, ev);
394 }
395
396 status = print_fsp_open(smbreq,
397 smbreq->conn,
398 in_name,
399 smbreq->vuid,
400 result);
401 if (!NT_STATUS_IS_OK(status)) {
402 file_free(smbreq, result);
403 tevent_req_nterror(req, status);
404 return tevent_req_post(req, ev);
405 }
406 info = FILE_WAS_CREATED;
407 } else {
408 char *fname;
409 struct smb_filename *smb_fname = NULL;
410 struct smb2_create_blob *exta = NULL;
411 struct ea_list *ea_list = NULL;
412 struct smb2_create_blob *mxac = NULL;
413 NTTIME max_access_time = 0;
414 struct smb2_create_blob *secd = NULL;
415 struct security_descriptor *sec_desc = NULL;
416 struct smb2_create_blob *dhnq = NULL;
417 struct smb2_create_blob *dhnc = NULL;
418 struct smb2_create_blob *alsi = NULL;
419 uint64_t allocation_size = 0;
420 struct smb2_create_blob *twrp = NULL;
421 struct smb2_create_blob *qfid = NULL;
422
423 exta = smb2_create_blob_find(&in_context_blobs,
424 SMB2_CREATE_TAG_EXTA);
425 mxac = smb2_create_blob_find(&in_context_blobs,
426 SMB2_CREATE_TAG_MXAC);
427 secd = smb2_create_blob_find(&in_context_blobs,
428 SMB2_CREATE_TAG_SECD);
429 dhnq = smb2_create_blob_find(&in_context_blobs,
430 SMB2_CREATE_TAG_DHNQ);
431 dhnc = smb2_create_blob_find(&in_context_blobs,
432 SMB2_CREATE_TAG_DHNC);
433 alsi = smb2_create_blob_find(&in_context_blobs,
434 SMB2_CREATE_TAG_ALSI);
435 twrp = smb2_create_blob_find(&in_context_blobs,
436 SMB2_CREATE_TAG_TWRP);
437 qfid = smb2_create_blob_find(&in_context_blobs,
438 SMB2_CREATE_TAG_QFID);
439
440 fname = talloc_strdup(state, in_name);
441 if (tevent_req_nomem(fname, req)) {
442 return tevent_req_post(req, ev);
443 }
444
445 if (exta) {
446 if (dhnc) {
447 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
448 return tevent_req_post(req, ev);
449 }
450
451 ea_list = read_nttrans_ea_list(mem_ctx,
452 (const char *)exta->data.data, exta->data.length);
453 if (!ea_list) {
454 DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
455 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
456 return tevent_req_post(req, ev);
457 }
458 }
459
460 if (mxac) {
461 if (dhnc) {
462 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
463 return tevent_req_post(req, ev);
464 }
465
466 if (mxac->data.length == 0) {
467 max_access_time = 0;
468 } else if (mxac->data.length == 8) {
469 max_access_time = BVAL(mxac->data.data, 0);
470 } else {
471 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
472 return tevent_req_post(req, ev);
473 }
474 }
475
476 if (secd) {
477 enum ndr_err_code ndr_err;
478
479 if (dhnc) {
480 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
481 return tevent_req_post(req, ev);
482 }
483
484 sec_desc = talloc_zero(state, struct security_descriptor);
485 if (tevent_req_nomem(sec_desc, req)) {
486 return tevent_req_post(req, ev);
487 }
488
489 ndr_err = ndr_pull_struct_blob(&secd->data,
490 sec_desc, NULL, sec_desc,
491 (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
492 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
493 DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
494 ndr_errstr(ndr_err)));
495 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
496 return tevent_req_post(req, ev);
497 }
498 }
499
500 if (dhnq) {
501 if (dhnc) {
502 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
503 return tevent_req_post(req, ev);
504 }
505
506 if (dhnq->data.length != 16) {
507 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
508 return tevent_req_post(req, ev);
509 }
510 /*
511 * we don't support durable handles yet
512 * and have to ignore this
513 */
514 }
515
516 if (dhnc) {
517 if (dhnc->data.length != 16) {
518 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
519 return tevent_req_post(req, ev);
520 }
521 /* we don't support durable handles yet */
522 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
523 return tevent_req_post(req, ev);
524 }
525
526 if (alsi) {
527 if (dhnc) {
528 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
529 return tevent_req_post(req, ev);
530 }
531
532 if (alsi->data.length != 8) {
533 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
534 return tevent_req_post(req, ev);
535 }
536 allocation_size = BVAL(alsi->data.data, 0);
537 }
538
539 if (twrp) {
540 NTTIME nttime;
541 time_t t;
542 struct tm *tm;
543
544 if (dhnc) {
545 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
546 return tevent_req_post(req, ev);
547 }
548
549 if (twrp->data.length != 8) {
550 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
551 return tevent_req_post(req, ev);
552 }
553
554 nttime = BVAL(twrp->data.data, 0);
555 t = nt_time_to_unix(nttime);
556 tm = gmtime(&t);
557
558 TALLOC_FREE(fname);
559 fname = talloc_asprintf(state,
560 "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
561 tm->tm_year + 1900,
562 tm->tm_mon + 1,
563 tm->tm_mday,
564 tm->tm_hour,
565 tm->tm_min,
566 tm->tm_sec,
567 in_name);
568 if (tevent_req_nomem(fname, req)) {
569 return tevent_req_post(req, ev);
570 }
571 }
572
573 if (qfid) {
574 if (qfid->data.length != 0) {
575 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
576 return tevent_req_post(req, ev);
577 }
578 }
579
580 /* these are ignored for SMB2 */
581 in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
582 in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
583
584 /* convert '\\' into '/' */
585 status = check_path_syntax(fname);
586 if (!NT_STATUS_IS_OK(status)) {
587 tevent_req_nterror(req, status);
588 return tevent_req_post(req, ev);
589 }
590
591 status = filename_convert(req,
592 smbreq->conn,
593 smbreq->flags2 & FLAGS2_DFS_PATHNAMES,
594 fname,
595 0,
596 NULL,
597 &smb_fname);
598 if (!NT_STATUS_IS_OK(status)) {
599 tevent_req_nterror(req, status);
600 return tevent_req_post(req, ev);
601 }
602
603 status = SMB_VFS_CREATE_FILE(smbreq->conn,
604 smbreq,
605 0, /* root_dir_fid */
606 smb_fname,
607 in_desired_access,
608 in_share_access,
609 in_create_disposition,
610 in_create_options,
611 in_file_attributes,
612 0, /* oplock_request */
613 allocation_size,
614 sec_desc,
615 ea_list,
616 &result,
617 &info);
618 if (!NT_STATUS_IS_OK(status)) {
619 tevent_req_nterror(req, status);
620 return tevent_req_post(req, ev);
621 }
622
623 if (mxac) {
624 NTTIME last_write_time;
625
626 unix_timespec_to_nt_time(&last_write_time,
627 result->fsp_name->st.st_ex_mtime);
628 if (last_write_time != max_access_time) {
629 uint8_t p[8];
630 uint32_t max_access_granted;
631 DATA_BLOB blob = data_blob_const(p, sizeof(p));
632
633 status = smbd_check_open_rights(smbreq->conn,
634 result->fsp_name,
635 SEC_FLAG_MAXIMUM_ALLOWED,
636 &max_access_granted);
637
638 SIVAL(p, 0, NT_STATUS_V(status));
639 SIVAL(p, 4, max_access_granted);
640
641 status = smb2_create_blob_add(state,
642 &out_context_blobs,
643 SMB2_CREATE_TAG_MXAC,
644 blob);
645 if (!NT_STATUS_IS_OK(status)) {
646 tevent_req_nterror(req, status);
647 return tevent_req_post(req, ev);
648 }
649 }
650 }
651
652 if (qfid) {
653 uint8_t p[32];
654 DATA_BLOB blob = data_blob_const(p, sizeof(p));
655
656 ZERO_STRUCT(p);
657
658 /* TODO: maybe use result->file_id */
659 SIVAL(p, 0, result->fsp_name->st.st_ex_ino);/* FileIndexLow */
660 SIVAL(p, 4, result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
661
662 status = smb2_create_blob_add(state, &out_context_blobs,
663 SMB2_CREATE_TAG_QFID,
664 blob);
665 if (!NT_STATUS_IS_OK(status)) {
666 tevent_req_nterror(req, status);
667 return tevent_req_post(req, ev);
668 }
669 }
670 }
671
672 smb2req->compat_chain_fsp = smbreq->chain_fsp;
673
674 state->out_oplock_level = 0;
675 if ((in_create_disposition == FILE_SUPERSEDE)
676 && (info == FILE_WAS_OVERWRITTEN)) {
677 state->out_create_action = FILE_WAS_SUPERSEDED;
678 } else {
679 state->out_create_action = info;
680 }
681 state->out_file_attributes = dos_mode(result->conn,
682 result->fsp_name);
683 /* Deal with other possible opens having a modified
684 write time. JRA. */
685 ZERO_STRUCT(write_time_ts);
686 get_file_infos(result->file_id, NULL, &write_time_ts);
687 if (!null_timespec(write_time_ts)) {
688 update_stat_ex_mtime(&result->fsp_name->st, write_time_ts);
689 }
690
691 unix_timespec_to_nt_time(&state->out_creation_time,
692 get_create_timespec(smbreq->conn, result,
693 result->fsp_name));
694 unix_timespec_to_nt_time(&state->out_last_access_time,
695 result->fsp_name->st.st_ex_atime);
696 unix_timespec_to_nt_time(&state->out_last_write_time,
697 result->fsp_name->st.st_ex_mtime);
698 unix_timespec_to_nt_time(&state->out_change_time,
699 get_change_timespec(smbreq->conn, result,
700 result->fsp_name));
701 state->out_allocation_size =
702 result->fsp_name->st.st_ex_blksize *
703 result->fsp_name->st.st_ex_blocks;
704 state->out_end_of_file = result->fsp_name->st.st_ex_size;
705 if (state->out_file_attributes == 0) {
706 state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
707 }
708 state->out_file_id_volatile = result->fnum;
709 state->out_context_blobs = out_context_blobs;
710
711 tevent_req_done(req);
712 return tevent_req_post(req, ev);
713}
714
715static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
716 TALLOC_CTX *mem_ctx,
717 uint8_t *out_oplock_level,
718 uint32_t *out_create_action,
719 NTTIME *out_creation_time,
720 NTTIME *out_last_access_time,
721 NTTIME *out_last_write_time,
722 NTTIME *out_change_time,
723 uint64_t *out_allocation_size,
724 uint64_t *out_end_of_file,
725 uint32_t *out_file_attributes,
726 uint64_t *out_file_id_volatile,
727 struct smb2_create_blobs *out_context_blobs)
728{
729 NTSTATUS status;
730 struct smbd_smb2_create_state *state = tevent_req_data(req,
731 struct smbd_smb2_create_state);
732
733 if (tevent_req_is_nterror(req, &status)) {
734 tevent_req_received(req);
735 return status;
736 }
737
738 *out_oplock_level = state->out_oplock_level;
739 *out_create_action = state->out_create_action;
740 *out_creation_time = state->out_creation_time;
741 *out_last_access_time = state->out_last_access_time;
742 *out_last_write_time = state->out_last_write_time;
743 *out_change_time = state->out_change_time;
744 *out_allocation_size = state->out_allocation_size;
745 *out_end_of_file = state->out_end_of_file;
746 *out_file_attributes = state->out_file_attributes;
747 *out_file_id_volatile = state->out_file_id_volatile;
748 *out_context_blobs = state->out_context_blobs;
749
750 talloc_steal(mem_ctx, state->out_context_blobs.blobs);
751
752 tevent_req_received(req);
753 return NT_STATUS_OK;
754}
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