2 Unix SMB/CIFS implementation.
5 Copyright (C) Stefan Metzmacher 2009
6 Copyright (C) Jeremy Allison 2010
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "smbd/smbd.h"
25 #include "smbd/globals.h"
26 #include "../libcli/smb/smb_common.h"
27 #include "../librpc/gen_ndr/ndr_security.h"
28 #include "../librpc/gen_ndr/ndr_smb2_lease_struct.h"
29 #include "../lib/util/tevent_ntstatus.h"
32 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level)
34 switch(in_oplock_level) {
35 case SMB2_OPLOCK_LEVEL_NONE:
37 case SMB2_OPLOCK_LEVEL_II:
38 return LEVEL_II_OPLOCK;
39 case SMB2_OPLOCK_LEVEL_EXCLUSIVE:
40 return EXCLUSIVE_OPLOCK;
41 case SMB2_OPLOCK_LEVEL_BATCH:
43 case SMB2_OPLOCK_LEVEL_LEASE:
46 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
48 (unsigned int)in_oplock_level));
53 static uint8_t map_samba_oplock_levels_to_smb2(int oplock_type)
55 if (BATCH_OPLOCK_TYPE(oplock_type)) {
56 return SMB2_OPLOCK_LEVEL_BATCH;
57 } else if (EXCLUSIVE_OPLOCK_TYPE(oplock_type)) {
58 return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
59 } else if (oplock_type == LEVEL_II_OPLOCK) {
60 return SMB2_OPLOCK_LEVEL_II;
61 } else if (oplock_type == LEASE_OPLOCK) {
62 return SMB2_OPLOCK_LEVEL_LEASE;
64 return SMB2_OPLOCK_LEVEL_NONE;
68 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
69 struct tevent_context *ev,
70 struct smbd_smb2_request *smb2req,
71 uint8_t in_oplock_level,
72 uint32_t in_impersonation_level,
73 uint32_t in_desired_access,
74 uint32_t in_file_attributes,
75 uint32_t in_share_access,
76 uint32_t in_create_disposition,
77 uint32_t in_create_options,
79 struct smb2_create_blobs in_context_blobs);
80 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
82 uint8_t *out_oplock_level,
83 uint32_t *out_create_action,
84 struct timespec *out_creation_ts,
85 struct timespec *out_last_access_ts,
86 struct timespec *out_last_write_ts,
87 struct timespec *out_change_ts,
88 uint64_t *out_allocation_size,
89 uint64_t *out_end_of_file,
90 uint32_t *out_file_attributes,
91 uint64_t *out_file_id_persistent,
92 uint64_t *out_file_id_volatile,
93 struct smb2_create_blobs *out_context_blobs);
95 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq);
96 NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *smb2req)
98 const uint8_t *inbody;
99 const struct iovec *indyniov;
100 uint8_t in_oplock_level;
101 uint32_t in_impersonation_level;
102 uint32_t in_desired_access;
103 uint32_t in_file_attributes;
104 uint32_t in_share_access;
105 uint32_t in_create_disposition;
106 uint32_t in_create_options;
107 uint16_t in_name_offset;
108 uint16_t in_name_length;
109 DATA_BLOB in_name_buffer;
110 char *in_name_string;
111 size_t in_name_string_size;
112 uint32_t name_offset = 0;
113 uint32_t name_available_length = 0;
114 uint32_t in_context_offset;
115 uint32_t in_context_length;
116 DATA_BLOB in_context_buffer;
117 struct smb2_create_blobs in_context_blobs;
118 uint32_t context_offset = 0;
119 uint32_t context_available_length = 0;
123 struct tevent_req *tsubreq;
125 status = smbd_smb2_request_verify_sizes(smb2req, 0x39);
126 if (!NT_STATUS_IS_OK(status)) {
127 return smbd_smb2_request_error(smb2req, status);
129 inbody = SMBD_SMB2_IN_BODY_PTR(smb2req);
131 in_oplock_level = CVAL(inbody, 0x03);
132 in_impersonation_level = IVAL(inbody, 0x04);
133 in_desired_access = IVAL(inbody, 0x18);
134 in_file_attributes = IVAL(inbody, 0x1C);
135 in_share_access = IVAL(inbody, 0x20);
136 in_create_disposition = IVAL(inbody, 0x24);
137 in_create_options = IVAL(inbody, 0x28);
138 in_name_offset = SVAL(inbody, 0x2C);
139 in_name_length = SVAL(inbody, 0x2E);
140 in_context_offset = IVAL(inbody, 0x30);
141 in_context_length = IVAL(inbody, 0x34);
144 * First check if the dynamic name and context buffers
145 * are correctly specified.
147 * Note: That we don't check if the name and context buffers
151 dyn_offset = SMB2_HDR_BODY + SMBD_SMB2_IN_BODY_LEN(smb2req);
153 if (in_name_offset == 0 && in_name_length == 0) {
156 } else if (in_name_offset < dyn_offset) {
157 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
159 name_offset = in_name_offset - dyn_offset;
162 indyniov = SMBD_SMB2_IN_DYN_IOV(smb2req);
164 if (name_offset > indyniov->iov_len) {
165 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
168 name_available_length = indyniov->iov_len - name_offset;
170 if (in_name_length > name_available_length) {
171 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
174 in_name_buffer.data = (uint8_t *)indyniov->iov_base + name_offset;
175 in_name_buffer.length = in_name_length;
177 if (in_context_offset == 0 && in_context_length == 0) {
180 } else if (in_context_offset < dyn_offset) {
181 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
183 context_offset = in_context_offset - dyn_offset;
186 if (context_offset > indyniov->iov_len) {
187 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
190 context_available_length = indyniov->iov_len - context_offset;
192 if (in_context_length > context_available_length) {
193 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
196 in_context_buffer.data = (uint8_t *)indyniov->iov_base +
198 in_context_buffer.length = in_context_length;
201 * Now interpret the name and context buffers
204 ok = convert_string_talloc(smb2req, CH_UTF16, CH_UNIX,
206 in_name_buffer.length,
208 &in_name_string_size);
210 return smbd_smb2_request_error(smb2req, NT_STATUS_ILLEGAL_CHARACTER);
213 if (in_name_buffer.length == 0) {
214 in_name_string_size = 0;
217 if (strlen(in_name_string) != in_name_string_size) {
218 return smbd_smb2_request_error(smb2req, NT_STATUS_OBJECT_NAME_INVALID);
221 ZERO_STRUCT(in_context_blobs);
222 status = smb2_create_blob_parse(smb2req, in_context_buffer, &in_context_blobs);
223 if (!NT_STATUS_IS_OK(status)) {
224 return smbd_smb2_request_error(smb2req, status);
227 tsubreq = smbd_smb2_create_send(smb2req,
228 smb2req->sconn->ev_ctx,
231 in_impersonation_level,
235 in_create_disposition,
239 if (tsubreq == NULL) {
240 smb2req->subreq = NULL;
241 return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
243 tevent_req_set_callback(tsubreq, smbd_smb2_request_create_done, smb2req);
245 return smbd_smb2_request_pending_queue(smb2req, tsubreq, 500);
248 static uint64_t get_mid_from_smb2req(struct smbd_smb2_request *smb2req)
250 uint8_t *reqhdr = SMBD_SMB2_OUT_HDR_PTR(smb2req);
251 return BVAL(reqhdr, SMB2_HDR_MESSAGE_ID);
254 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq)
256 struct smbd_smb2_request *smb2req = tevent_req_callback_data(tsubreq,
257 struct smbd_smb2_request);
260 uint8_t out_oplock_level = 0;
261 uint32_t out_create_action = 0;
262 connection_struct *conn = smb2req->tcon->compat;
263 struct timespec out_creation_ts = { 0, };
264 struct timespec out_last_access_ts = { 0, };
265 struct timespec out_last_write_ts = { 0, };
266 struct timespec out_change_ts = { 0, };
267 uint64_t out_allocation_size = 0;
268 uint64_t out_end_of_file = 0;
269 uint32_t out_file_attributes = 0;
270 uint64_t out_file_id_persistent = 0;
271 uint64_t out_file_id_volatile = 0;
272 struct smb2_create_blobs out_context_blobs;
273 DATA_BLOB out_context_buffer;
274 uint16_t out_context_buffer_offset = 0;
276 NTSTATUS error; /* transport error */
278 status = smbd_smb2_create_recv(tsubreq,
286 &out_allocation_size,
288 &out_file_attributes,
289 &out_file_id_persistent,
290 &out_file_id_volatile,
292 if (!NT_STATUS_IS_OK(status)) {
293 error = smbd_smb2_request_error(smb2req, status);
294 if (!NT_STATUS_IS_OK(error)) {
295 smbd_server_connection_terminate(smb2req->xconn,
302 status = smb2_create_blob_push(smb2req, &out_context_buffer, out_context_blobs);
303 if (!NT_STATUS_IS_OK(status)) {
304 error = smbd_smb2_request_error(smb2req, status);
305 if (!NT_STATUS_IS_OK(error)) {
306 smbd_server_connection_terminate(smb2req->xconn,
313 if (out_context_buffer.length > 0) {
314 out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
317 outbody = smbd_smb2_generate_outbody(smb2req, 0x58);
318 if (outbody.data == NULL) {
319 error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
320 if (!NT_STATUS_IS_OK(error)) {
321 smbd_server_connection_terminate(smb2req->xconn,
328 SSVAL(outbody.data, 0x00, 0x58 + 1); /* struct size */
329 SCVAL(outbody.data, 0x02,
330 out_oplock_level); /* oplock level */
331 SCVAL(outbody.data, 0x03, 0); /* reserved */
332 SIVAL(outbody.data, 0x04,
333 out_create_action); /* create action */
334 put_long_date_timespec(conn->ts_res,
335 (char *)outbody.data + 0x08,
336 out_creation_ts); /* creation time */
337 put_long_date_timespec(conn->ts_res,
338 (char *)outbody.data + 0x10,
339 out_last_access_ts); /* last access time */
340 put_long_date_timespec(conn->ts_res,
341 (char *)outbody.data + 0x18,
342 out_last_write_ts); /* last write time */
343 put_long_date_timespec(conn->ts_res,
344 (char *)outbody.data + 0x20,
345 out_change_ts); /* change time */
346 SBVAL(outbody.data, 0x28,
347 out_allocation_size); /* allocation size */
348 SBVAL(outbody.data, 0x30,
349 out_end_of_file); /* end of file */
350 SIVAL(outbody.data, 0x38,
351 out_file_attributes); /* file attributes */
352 SIVAL(outbody.data, 0x3C, 0); /* reserved */
353 SBVAL(outbody.data, 0x40,
354 out_file_id_persistent); /* file id (persistent) */
355 SBVAL(outbody.data, 0x48,
356 out_file_id_volatile); /* file id (volatile) */
357 SIVAL(outbody.data, 0x50,
358 out_context_buffer_offset); /* create contexts offset */
359 SIVAL(outbody.data, 0x54,
360 out_context_buffer.length); /* create contexts length */
362 outdyn = out_context_buffer;
364 error = smbd_smb2_request_done(smb2req, outbody, &outdyn);
365 if (!NT_STATUS_IS_OK(error)) {
366 smbd_server_connection_terminate(smb2req->xconn,
372 static bool smb2_lease_key_valid(const struct smb2_lease_key *key)
374 return ((key->data[0] != 0) || (key->data[1] != 0));
377 static NTSTATUS smbd_smb2_create_durable_lease_check(
378 const char *requested_filename, const struct files_struct *fsp,
379 const struct smb2_lease *lease_ptr)
381 struct smb_filename *smb_fname = NULL;
384 if (lease_ptr == NULL) {
385 if (fsp->oplock_type != LEASE_OPLOCK) {
388 DEBUG(10, ("Reopened file has lease, but no lease "
390 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
393 if (fsp->oplock_type != LEASE_OPLOCK) {
394 DEBUG(10, ("Lease requested, but reopened file has no "
396 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
399 if (!smb2_lease_key_equal(&lease_ptr->lease_key,
400 &fsp->lease->lease.lease_key)) {
401 DEBUG(10, ("Different lease key requested than found "
402 "in reopened file\n"));
403 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
406 status = filename_convert(talloc_tos(), fsp->conn, false,
407 requested_filename, UCF_PREP_CREATEFILE,
409 if (!NT_STATUS_IS_OK(status)) {
410 DEBUG(10, ("filename_convert returned %s\n",
415 if (!strequal(fsp->fsp_name->base_name, smb_fname->base_name)) {
416 DEBUG(10, ("Lease requested for file %s, reopened file "
417 "is named %s\n", smb_fname->base_name,
418 fsp->fsp_name->base_name));
419 TALLOC_FREE(smb_fname);
420 return NT_STATUS_INVALID_PARAMETER;
423 TALLOC_FREE(smb_fname);
428 struct smbd_smb2_create_state {
429 struct smbd_smb2_request *smb2req;
430 struct smb_request *smb1req;
431 bool open_was_deferred;
432 struct tevent_timer *te;
433 struct tevent_immediate *im;
434 struct timeval request_time;
436 struct deferred_open_record *open_rec;
437 uint8_t out_oplock_level;
438 uint32_t out_create_action;
439 struct timespec out_creation_ts;
440 struct timespec out_last_access_ts;
441 struct timespec out_last_write_ts;
442 struct timespec out_change_ts;
443 uint64_t out_allocation_size;
444 uint64_t out_end_of_file;
445 uint32_t out_file_attributes;
446 uint64_t out_file_id_persistent;
447 uint64_t out_file_id_volatile;
448 struct smb2_create_blobs *out_context_blobs;
451 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
452 struct tevent_context *ev,
453 struct smbd_smb2_request *smb2req,
454 uint8_t in_oplock_level,
455 uint32_t in_impersonation_level,
456 uint32_t in_desired_access,
457 uint32_t in_file_attributes,
458 uint32_t in_share_access,
459 uint32_t in_create_disposition,
460 uint32_t in_create_options,
462 struct smb2_create_blobs in_context_blobs)
464 struct tevent_req *req = NULL;
465 struct smbd_smb2_create_state *state = NULL;
467 struct smb_request *smb1req = NULL;
468 files_struct *result = NULL;
470 int requested_oplock_level;
471 struct smb2_create_blob *dhnc = NULL;
472 struct smb2_create_blob *dh2c = NULL;
473 struct smb2_create_blob *dhnq = NULL;
474 struct smb2_create_blob *dh2q = NULL;
475 struct smb2_create_blob *rqls = NULL;
476 struct smbXsrv_open *op = NULL;
478 if(lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
479 requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
481 requested_oplock_level = in_oplock_level;
485 if (smb2req->subreq == NULL) {
486 /* New create call. */
487 req = tevent_req_create(mem_ctx, &state,
488 struct smbd_smb2_create_state);
492 state->smb2req = smb2req;
494 smb1req = smbd_smb2_fake_smb_request(smb2req);
495 if (tevent_req_nomem(smb1req, req)) {
496 return tevent_req_post(req, ev);
498 state->smb1req = smb1req;
499 smb2req->subreq = req;
500 DEBUG(10,("smbd_smb2_create: name[%s]\n",
503 /* Re-entrant create call. */
504 req = smb2req->subreq;
505 state = tevent_req_data(req,
506 struct smbd_smb2_create_state);
507 smb1req = state->smb1req;
508 TALLOC_FREE(state->out_context_blobs);
509 DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
513 state->out_context_blobs = talloc_zero(state, struct smb2_create_blobs);
514 if (tevent_req_nomem(state->out_context_blobs, req)) {
515 return tevent_req_post(req, ev);
518 dhnq = smb2_create_blob_find(&in_context_blobs,
519 SMB2_CREATE_TAG_DHNQ);
520 dhnc = smb2_create_blob_find(&in_context_blobs,
521 SMB2_CREATE_TAG_DHNC);
522 dh2q = smb2_create_blob_find(&in_context_blobs,
523 SMB2_CREATE_TAG_DH2Q);
524 dh2c = smb2_create_blob_find(&in_context_blobs,
525 SMB2_CREATE_TAG_DH2C);
526 if (smb2req->xconn->smb2.server.capabilities & SMB2_CAP_LEASING) {
527 rqls = smb2_create_blob_find(&in_context_blobs,
528 SMB2_CREATE_TAG_RQLS);
531 if ((dhnc && dh2c) || (dhnc && dh2q) || (dh2c && dhnq) ||
534 /* not both are allowed at the same time */
535 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
536 return tevent_req_post(req, ev);
540 uint32_t num_blobs_allowed;
542 if (dhnc->data.length != 16) {
543 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
544 return tevent_req_post(req, ev);
548 * According to MS-SMB2: 3.3.5.9.7, "Handling the
549 * SMB2_CREATE_DURABLE_HANDLE_RECONNECT Create Context",
550 * we should ignore an additional dhnq blob, but fail
551 * the request (with status OBJECT_NAME_NOT_FOUND) if
552 * any other extra create blob has been provided.
554 * (Note that the cases of an additional dh2q or dh2c blob
555 * which require a different error code, have been treated
559 * This is only true for the oplock case:
560 * For leases, lease request is required additionally.
564 num_blobs_allowed = 2;
566 num_blobs_allowed = 1;
570 num_blobs_allowed += 1;
573 if (in_context_blobs.num_blobs != num_blobs_allowed) {
574 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
575 return tevent_req_post(req, ev);
580 uint32_t num_blobs_allowed;
582 if (dh2c->data.length != 36) {
583 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
584 return tevent_req_post(req, ev);
588 * According to MS-SMB2: 3.3.5.9.12, "Handling the
589 * SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 Create Context",
590 * we should fail the request with status
591 * OBJECT_NAME_NOT_FOUND if any other create blob has been
594 * (Note that the cases of an additional dhnq, dhnc or dh2q
595 * blob which require a different error code, have been
599 * This is only true for the oplock case:
600 * For leases, lease request is required additionally!
603 num_blobs_allowed = 1;
606 num_blobs_allowed += 1;
609 if (in_context_blobs.num_blobs != num_blobs_allowed) {
610 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
611 return tevent_req_post(req, ev);
615 if (IS_IPC(smb1req->conn)) {
616 const char *pipe_name = in_name;
619 /* durable handles are not supported on IPC$ */
620 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
621 return tevent_req_post(req, ev);
624 if (!lp_nt_pipe_support()) {
625 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
626 return tevent_req_post(req, ev);
629 status = open_np_file(smb1req, pipe_name, &result);
630 if (!NT_STATUS_IS_OK(status)) {
631 tevent_req_nterror(req, status);
632 return tevent_req_post(req, ev);
634 info = FILE_WAS_OPENED;
635 } else if (CAN_PRINT(smb1req->conn)) {
637 /* durable handles are not supported on printers */
638 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
639 return tevent_req_post(req, ev);
642 status = file_new(smb1req, smb1req->conn, &result);
643 if(!NT_STATUS_IS_OK(status)) {
644 tevent_req_nterror(req, status);
645 return tevent_req_post(req, ev);
648 status = print_spool_open(result, in_name,
650 if (!NT_STATUS_IS_OK(status)) {
651 file_free(smb1req, result);
652 tevent_req_nterror(req, status);
653 return tevent_req_post(req, ev);
655 info = FILE_WAS_CREATED;
658 struct smb2_create_blob *exta = NULL;
659 struct ea_list *ea_list = NULL;
660 struct smb2_create_blob *mxac = NULL;
661 NTTIME max_access_time = 0;
662 struct smb2_create_blob *secd = NULL;
663 struct security_descriptor *sec_desc = NULL;
664 struct smb2_create_blob *alsi = NULL;
665 uint64_t allocation_size = 0;
666 struct smb2_create_blob *twrp = NULL;
667 struct smb2_create_blob *qfid = NULL;
668 struct GUID _create_guid = GUID_zero();
669 struct GUID *create_guid = NULL;
670 bool update_open = false;
671 bool durable_requested = false;
672 uint32_t durable_timeout_msec = 0;
673 bool do_durable_reconnect = false;
674 uint64_t persistent_id = 0;
675 struct smb2_lease lease;
676 struct smb2_lease *lease_ptr = NULL;
677 ssize_t lease_len = -1;
678 struct smb2_create_blob *svhdx = NULL;
680 exta = smb2_create_blob_find(&in_context_blobs,
681 SMB2_CREATE_TAG_EXTA);
682 mxac = smb2_create_blob_find(&in_context_blobs,
683 SMB2_CREATE_TAG_MXAC);
684 secd = smb2_create_blob_find(&in_context_blobs,
685 SMB2_CREATE_TAG_SECD);
686 alsi = smb2_create_blob_find(&in_context_blobs,
687 SMB2_CREATE_TAG_ALSI);
688 twrp = smb2_create_blob_find(&in_context_blobs,
689 SMB2_CREATE_TAG_TWRP);
690 qfid = smb2_create_blob_find(&in_context_blobs,
691 SMB2_CREATE_TAG_QFID);
692 if (smb2req->xconn->protocol >= PROTOCOL_SMB3_02) {
694 * This was introduced with SMB3_02
696 svhdx = smb2_create_blob_find(&in_context_blobs,
697 SVHDX_OPEN_DEVICE_CONTEXT);
700 fname = talloc_strdup(state, in_name);
701 if (tevent_req_nomem(fname, req)) {
702 return tevent_req_post(req, ev);
706 ea_list = read_nttrans_ea_list(mem_ctx,
707 (const char *)exta->data.data, exta->data.length);
709 DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
710 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
711 return tevent_req_post(req, ev);
714 if (ea_list_has_invalid_name(ea_list)) {
715 tevent_req_nterror(req, STATUS_INVALID_EA_NAME);
716 return tevent_req_post(req, ev);
721 if (mxac->data.length == 0) {
723 } else if (mxac->data.length == 8) {
724 max_access_time = BVAL(mxac->data.data, 0);
726 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
727 return tevent_req_post(req, ev);
732 enum ndr_err_code ndr_err;
734 sec_desc = talloc_zero(state, struct security_descriptor);
735 if (tevent_req_nomem(sec_desc, req)) {
736 return tevent_req_post(req, ev);
739 ndr_err = ndr_pull_struct_blob(&secd->data,
741 (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
742 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
743 DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
744 ndr_errstr(ndr_err)));
745 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
746 return tevent_req_post(req, ev);
751 if (dhnq->data.length != 16) {
752 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
753 return tevent_req_post(req, ev);
757 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
758 return tevent_req_post(req, ev);
762 * durable handle request is processed below.
764 durable_requested = true;
766 * Set the timeout to 16 mins.
768 * TODO: test this against Windows 2012
769 * as the default for durable v2 is 1 min.
771 durable_timeout_msec = (16*60*1000);
775 const uint8_t *p = dh2q->data.data;
776 uint32_t durable_v2_timeout = 0;
777 DATA_BLOB create_guid_blob;
779 if (dh2q->data.length != 32) {
780 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
781 return tevent_req_post(req, ev);
785 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
786 return tevent_req_post(req, ev);
789 durable_v2_timeout = IVAL(p, 0);
790 create_guid_blob = data_blob_const(p + 16, 16);
792 status = GUID_from_ndr_blob(&create_guid_blob,
794 if (tevent_req_nterror(req, status)) {
795 return tevent_req_post(req, ev);
797 create_guid = &_create_guid;
799 * we need to store the create_guid later
804 * durable handle v2 request processed below
806 durable_requested = true;
807 durable_timeout_msec = durable_v2_timeout;
808 if (durable_timeout_msec == 0) {
810 * Set the timeout to 1 min as default.
812 * This matches Windows 2012.
814 durable_timeout_msec = (60*1000);
819 persistent_id = BVAL(dhnc->data.data, 0);
821 do_durable_reconnect = true;
825 const uint8_t *p = dh2c->data.data;
826 DATA_BLOB create_guid_blob;
828 persistent_id = BVAL(p, 0);
829 create_guid_blob = data_blob_const(p + 16, 16);
831 status = GUID_from_ndr_blob(&create_guid_blob,
833 if (tevent_req_nterror(req, status)) {
834 return tevent_req_post(req, ev);
836 create_guid = &_create_guid;
838 do_durable_reconnect = true;
842 if (alsi->data.length != 8) {
843 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
844 return tevent_req_post(req, ev);
846 allocation_size = BVAL(alsi->data.data, 0);
854 if (twrp->data.length != 8) {
855 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
856 return tevent_req_post(req, ev);
859 nttime = BVAL(twrp->data.data, 0);
860 t = nt_time_to_unix(nttime);
864 fname = talloc_asprintf(state,
865 "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
873 if (tevent_req_nomem(fname, req)) {
874 return tevent_req_post(req, ev);
879 if (qfid->data.length != 0) {
880 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
881 return tevent_req_post(req, ev);
886 lease_len = smb2_lease_pull(
887 rqls->data.data, rqls->data.length, &lease);
888 if (lease_len == -1) {
890 req, NT_STATUS_INVALID_PARAMETER);
891 return tevent_req_post(req, ev);
895 if (DEBUGLEVEL >= 10) {
896 DEBUG(10, ("Got lease request size %d\n",
898 NDR_PRINT_DEBUG(smb2_lease, lease_ptr);
901 if (!smb2_lease_key_valid(&lease.lease_key)) {
903 requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
906 if ((smb2req->xconn->protocol < PROTOCOL_SMB3_00) &&
907 (lease.lease_version != 1)) {
908 DEBUG(10, ("v2 lease key only for SMB3\n"));
913 /* these are ignored for SMB2 */
914 in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
915 in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
917 in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
919 DEBUG(10, ("smbd_smb2_create_send: open execution phase\n"));
922 * For the backend file open procedure, there are
923 * two possible modes: durable_reconnect or not.
925 if (do_durable_reconnect) {
926 DATA_BLOB new_cookie = data_blob_null;
927 NTTIME now = timeval_to_nttime(&smb2req->request_time);
929 status = smb2srv_open_recreate(smb2req->xconn,
930 smb1req->conn->session_info,
931 persistent_id, create_guid,
933 if (!NT_STATUS_IS_OK(status)) {
934 DEBUG(3, ("smbd_smb2_create_send: "
935 "smb2srv_open_recreate failed: %s\n",
937 tevent_req_nterror(req, status);
938 return tevent_req_post(req, ev);
941 DEBUG(10, ("smb2_create_send: %s to recreate the "
942 "smb2srv_open struct for a durable handle.\n",
943 op->global->durable ? "succeded" : "failed"));
945 if (!op->global->durable) {
947 tevent_req_nterror(req,
948 NT_STATUS_OBJECT_NAME_NOT_FOUND);
949 return tevent_req_post(req, ev);
952 status = SMB_VFS_DURABLE_RECONNECT(smb1req->conn,
954 op, /* smbXsrv_open input */
955 op->global->backend_cookie,
957 &result, &new_cookie);
958 if (!NT_STATUS_IS_OK(status)) {
959 NTSTATUS return_status;
961 return_status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
963 DEBUG(3, ("smbd_smb2_create_send: "
964 "durable_reconnect failed: %s => %s\n",
966 nt_errstr(return_status)));
968 tevent_req_nterror(req, return_status);
969 return tevent_req_post(req, ev);
972 DEBUG(10, ("result->oplock_type=%u, lease_ptr==%p\n",
973 (unsigned)result->oplock_type, lease_ptr));
975 status = smbd_smb2_create_durable_lease_check(
976 fname, result, lease_ptr);
977 if (!NT_STATUS_IS_OK(status)) {
978 close_file(smb1req, result, SHUTDOWN_CLOSE);
979 tevent_req_nterror(req, status);
980 return tevent_req_post(req, ev);
983 data_blob_free(&op->global->backend_cookie);
984 op->global->backend_cookie = new_cookie;
986 op->status = NT_STATUS_OK;
987 op->global->disconnect_time = 0;
989 /* save the timout for later update */
990 durable_timeout_msec = op->global->durable_timeout_msec;
994 info = FILE_WAS_OPENED;
996 struct smb_filename *smb_fname = NULL;
998 if (requested_oplock_level == SMB2_OPLOCK_LEVEL_LEASE) {
999 if (lease_ptr == NULL) {
1000 requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
1007 * For a DFS path the function parse_dfs_path()
1008 * will do the path processing.
1011 if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
1012 /* convert '\\' into '/' */
1013 status = check_path_syntax(fname);
1014 if (!NT_STATUS_IS_OK(status)) {
1015 tevent_req_nterror(req, status);
1016 return tevent_req_post(req, ev);
1020 status = filename_convert(req,
1022 smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
1024 UCF_PREP_CREATEFILE,
1025 NULL, /* ppath_contains_wcards */
1027 if (!NT_STATUS_IS_OK(status)) {
1028 tevent_req_nterror(req, status);
1029 return tevent_req_post(req, ev);
1033 * MS-SMB2: 2.2.13 SMB2 CREATE Request
1034 * ImpersonationLevel ... MUST contain one of the
1035 * following values. The server MUST validate this
1036 * field, but otherwise ignore it.
1038 * NB. The source4/torture/smb2/durable_open.c test
1039 * shows this check is only done on real opens, not
1040 * on durable handle-reopens.
1043 if (in_impersonation_level >
1044 SMB2_IMPERSONATION_DELEGATE) {
1045 tevent_req_nterror(req,
1046 NT_STATUS_BAD_IMPERSONATION_LEVEL);
1047 return tevent_req_post(req, ev);
1051 * We know we're going to do a local open, so now
1052 * we must be protocol strict. JRA.
1054 * MS-SMB2: 3.3.5.9 - Receiving an SMB2 CREATE Request
1055 * If the file name length is greater than zero and the
1056 * first character is a path separator character, the
1057 * server MUST fail the request with
1058 * STATUS_INVALID_PARAMETER.
1060 if (in_name[0] == '\\' || in_name[0] == '/') {
1061 tevent_req_nterror(req,
1062 NT_STATUS_INVALID_PARAMETER);
1063 return tevent_req_post(req, ev);
1066 status = SMB_VFS_CREATE_FILE(smb1req->conn,
1068 0, /* root_dir_fid */
1072 in_create_disposition,
1075 map_smb2_oplock_levels_to_samba(requested_oplock_level),
1078 0, /* private_flags */
1084 state->out_context_blobs);
1085 if (!NT_STATUS_IS_OK(status)) {
1086 if (open_was_deferred(smb1req->xconn, smb1req->mid)) {
1087 SMBPROFILE_IOBYTES_ASYNC_SET_IDLE(smb2req->profile);
1090 tevent_req_nterror(req, status);
1091 return tevent_req_post(req, ev);
1097 * here we have op == result->op
1100 DEBUG(10, ("smbd_smb2_create_send: "
1101 "response construction phase\n"));
1104 NTTIME last_write_time;
1106 last_write_time = unix_timespec_to_nt_time(
1107 result->fsp_name->st.st_ex_mtime);
1108 if (last_write_time != max_access_time) {
1110 uint32_t max_access_granted;
1111 DATA_BLOB blob = data_blob_const(p, sizeof(p));
1113 status = smbd_calculate_access_mask(smb1req->conn,
1116 SEC_FLAG_MAXIMUM_ALLOWED,
1117 &max_access_granted);
1119 SIVAL(p, 0, NT_STATUS_V(status));
1120 SIVAL(p, 4, max_access_granted);
1122 status = smb2_create_blob_add(
1123 state->out_context_blobs,
1124 state->out_context_blobs,
1125 SMB2_CREATE_TAG_MXAC,
1127 if (!NT_STATUS_IS_OK(status)) {
1128 tevent_req_nterror(req, status);
1129 return tevent_req_post(req, ev);
1134 if (durable_requested &&
1135 (fsp_lease_type(result) & SMB2_LEASE_HANDLE))
1137 status = SMB_VFS_DURABLE_COOKIE(result,
1139 &op->global->backend_cookie);
1140 if (!NT_STATUS_IS_OK(status)) {
1141 op->global->backend_cookie = data_blob_null;
1144 if (op->global->backend_cookie.length > 0) {
1147 op->global->durable = true;
1148 op->global->durable_timeout_msec = durable_timeout_msec;
1152 op->global->create_guid = _create_guid;
1154 status = smbXsrv_open_update(op);
1155 DEBUG(10, ("smb2_create_send: smbXsrv_open_update "
1157 nt_errstr(status)));
1158 if (!NT_STATUS_IS_OK(status)) {
1159 tevent_req_nterror(req, status);
1160 return tevent_req_post(req, ev);
1164 if (dhnq && op->global->durable) {
1165 uint8_t p[8] = { 0, };
1166 DATA_BLOB blob = data_blob_const(p, sizeof(p));
1168 status = smb2_create_blob_add(state->out_context_blobs,
1169 state->out_context_blobs,
1170 SMB2_CREATE_TAG_DHNQ,
1172 if (!NT_STATUS_IS_OK(status)) {
1173 tevent_req_nterror(req, status);
1174 return tevent_req_post(req, ev);
1178 if (dh2q && op->global->durable) {
1179 uint8_t p[8] = { 0, };
1180 DATA_BLOB blob = data_blob_const(p, sizeof(p));
1181 uint32_t durable_v2_response_flags = 0;
1183 SIVAL(p, 0, op->global->durable_timeout_msec);
1184 SIVAL(p, 4, durable_v2_response_flags);
1186 status = smb2_create_blob_add(state->out_context_blobs,
1187 state->out_context_blobs,
1188 SMB2_CREATE_TAG_DH2Q,
1190 if (!NT_STATUS_IS_OK(status)) {
1191 tevent_req_nterror(req, status);
1192 return tevent_req_post(req, ev);
1198 uint64_t file_index = get_FileIndex(result->conn,
1199 &result->fsp_name->st);
1200 DATA_BLOB blob = data_blob_const(p, sizeof(p));
1204 /* From conversations with Microsoft engineers at
1205 the MS plugfest. The first 8 bytes are the "volume index"
1206 == inode, the second 8 bytes are the "volume id",
1207 == dev. This will be updated in the SMB2 doc. */
1208 SBVAL(p, 0, file_index);
1209 SIVAL(p, 8, result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
1211 status = smb2_create_blob_add(state->out_context_blobs,
1212 state->out_context_blobs,
1213 SMB2_CREATE_TAG_QFID,
1215 if (!NT_STATUS_IS_OK(status)) {
1216 tevent_req_nterror(req, status);
1217 return tevent_req_post(req, ev);
1221 if ((rqls != NULL) && (result->oplock_type == LEASE_OPLOCK)) {
1224 lease = result->lease->lease;
1226 lease_len = sizeof(buf);
1227 if (lease.lease_version == 1) {
1231 if (!smb2_lease_push(&lease, buf, lease_len)) {
1233 req, NT_STATUS_INTERNAL_ERROR);
1234 return tevent_req_post(req, ev);
1237 status = smb2_create_blob_add(
1238 state, state->out_context_blobs,
1239 SMB2_CREATE_TAG_RQLS,
1240 data_blob_const(buf, lease_len));
1241 if (!NT_STATUS_IS_OK(status)) {
1242 tevent_req_nterror(req, status);
1243 return tevent_req_post(req, ev);
1248 smb2req->compat_chain_fsp = smb1req->chain_fsp;
1250 if(lp_fake_oplocks(SNUM(smb2req->tcon->compat))) {
1251 state->out_oplock_level = in_oplock_level;
1253 state->out_oplock_level = map_samba_oplock_levels_to_smb2(result->oplock_type);
1256 if ((in_create_disposition == FILE_SUPERSEDE)
1257 && (info == FILE_WAS_OVERWRITTEN)) {
1258 state->out_create_action = FILE_WAS_SUPERSEDED;
1260 state->out_create_action = info;
1262 state->out_file_attributes = dos_mode(result->conn,
1265 state->out_creation_ts = get_create_timespec(smb1req->conn,
1266 result, result->fsp_name);
1267 state->out_last_access_ts = result->fsp_name->st.st_ex_atime;
1268 state->out_last_write_ts = result->fsp_name->st.st_ex_mtime;
1269 state->out_change_ts = get_change_timespec(smb1req->conn,
1270 result, result->fsp_name);
1271 state->out_allocation_size =
1272 SMB_VFS_GET_ALLOC_SIZE(smb1req->conn, result,
1273 &(result->fsp_name->st));
1274 state->out_end_of_file = result->fsp_name->st.st_ex_size;
1275 if (state->out_file_attributes == 0) {
1276 state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
1278 state->out_file_id_persistent = result->op->global->open_persistent_id;
1279 state->out_file_id_volatile = result->op->global->open_volatile_id;
1281 DEBUG(10,("smbd_smb2_create_send: %s - %s\n",
1282 fsp_str_dbg(result), fsp_fnum_dbg(result)));
1284 tevent_req_done(req);
1285 return tevent_req_post(req, ev);
1288 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
1289 TALLOC_CTX *mem_ctx,
1290 uint8_t *out_oplock_level,
1291 uint32_t *out_create_action,
1292 struct timespec *out_creation_ts,
1293 struct timespec *out_last_access_ts,
1294 struct timespec *out_last_write_ts,
1295 struct timespec *out_change_ts,
1296 uint64_t *out_allocation_size,
1297 uint64_t *out_end_of_file,
1298 uint32_t *out_file_attributes,
1299 uint64_t *out_file_id_persistent,
1300 uint64_t *out_file_id_volatile,
1301 struct smb2_create_blobs *out_context_blobs)
1304 struct smbd_smb2_create_state *state = tevent_req_data(req,
1305 struct smbd_smb2_create_state);
1307 if (tevent_req_is_nterror(req, &status)) {
1308 tevent_req_received(req);
1312 *out_oplock_level = state->out_oplock_level;
1313 *out_create_action = state->out_create_action;
1314 *out_creation_ts = state->out_creation_ts;
1315 *out_last_access_ts = state->out_last_access_ts;
1316 *out_last_write_ts = state->out_last_write_ts;
1317 *out_change_ts = state->out_change_ts;
1318 *out_allocation_size = state->out_allocation_size;
1319 *out_end_of_file = state->out_end_of_file;
1320 *out_file_attributes = state->out_file_attributes;
1321 *out_file_id_persistent = state->out_file_id_persistent;
1322 *out_file_id_volatile = state->out_file_id_volatile;
1323 *out_context_blobs = *(state->out_context_blobs);
1325 talloc_steal(mem_ctx, state->out_context_blobs->blobs);
1327 tevent_req_received(req);
1328 return NT_STATUS_OK;
1331 /*********************************************************
1332 Code for dealing with deferred opens.
1333 *********************************************************/
1335 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
1336 struct timeval *p_request_time,
1337 struct deferred_open_record **open_rec)
1339 struct smbd_smb2_create_state *state = NULL;
1340 struct tevent_req *req = NULL;
1345 req = smb2req->subreq;
1349 state = tevent_req_data(req, struct smbd_smb2_create_state);
1353 if (!state->open_was_deferred) {
1356 if (p_request_time) {
1357 *p_request_time = state->request_time;
1359 if (open_rec != NULL) {
1360 *open_rec = state->open_rec;
1365 /*********************************************************
1366 Re-process this call early - requested by message or
1368 *********************************************************/
1370 static struct smbd_smb2_request *find_open_smb2req(
1371 struct smbXsrv_connection *xconn, uint64_t mid)
1373 struct smbd_smb2_request *smb2req;
1375 for (smb2req = xconn->smb2.requests; smb2req; smb2req = smb2req->next) {
1376 uint64_t message_id;
1377 if (smb2req->subreq == NULL) {
1378 /* This message has been processed. */
1381 if (!tevent_req_is_in_progress(smb2req->subreq)) {
1382 /* This message has been processed. */
1385 message_id = get_mid_from_smb2req(smb2req);
1386 if (message_id == mid) {
1393 bool open_was_deferred_smb2(struct smbXsrv_connection *xconn, uint64_t mid)
1395 struct smbd_smb2_create_state *state = NULL;
1396 struct smbd_smb2_request *smb2req;
1398 smb2req = find_open_smb2req(xconn, mid);
1401 DEBUG(10,("open_was_deferred_smb2: mid %llu smb2req == NULL\n",
1402 (unsigned long long)mid));
1405 if (!smb2req->subreq) {
1408 if (!tevent_req_is_in_progress(smb2req->subreq)) {
1411 state = tevent_req_data(smb2req->subreq,
1412 struct smbd_smb2_create_state);
1416 /* It's not in progress if there's no timeout event. */
1417 if (!state->open_was_deferred) {
1421 DEBUG(10,("open_was_deferred_smb2: mid = %llu\n",
1422 (unsigned long long)mid));
1427 static void remove_deferred_open_message_smb2_internal(struct smbd_smb2_request *smb2req,
1430 struct smbd_smb2_create_state *state = NULL;
1432 if (!smb2req->subreq) {
1435 if (!tevent_req_is_in_progress(smb2req->subreq)) {
1438 state = tevent_req_data(smb2req->subreq,
1439 struct smbd_smb2_create_state);
1444 DEBUG(10,("remove_deferred_open_message_smb2_internal: "
1446 (unsigned long long)mid ));
1448 state->open_was_deferred = false;
1449 /* Ensure we don't have any outstanding timer event. */
1450 TALLOC_FREE(state->te);
1451 /* Ensure we don't have any outstanding immediate event. */
1452 TALLOC_FREE(state->im);
1455 void remove_deferred_open_message_smb2(
1456 struct smbXsrv_connection *xconn, uint64_t mid)
1458 struct smbd_smb2_request *smb2req;
1460 smb2req = find_open_smb2req(xconn, mid);
1463 DEBUG(10,("remove_deferred_open_message_smb2: "
1464 "can't find mid %llu\n",
1465 (unsigned long long)mid ));
1468 remove_deferred_open_message_smb2_internal(smb2req, mid);
1471 static void smbd_smb2_create_request_dispatch_immediate(struct tevent_context *ctx,
1472 struct tevent_immediate *im,
1475 struct smbd_smb2_request *smb2req = talloc_get_type_abort(private_data,
1476 struct smbd_smb2_request);
1477 uint64_t mid = get_mid_from_smb2req(smb2req);
1480 DEBUG(10,("smbd_smb2_create_request_dispatch_immediate: "
1481 "re-dispatching mid %llu\n",
1482 (unsigned long long)mid ));
1484 status = smbd_smb2_request_dispatch(smb2req);
1485 if (!NT_STATUS_IS_OK(status)) {
1486 smbd_server_connection_terminate(smb2req->xconn,
1492 bool schedule_deferred_open_message_smb2(
1493 struct smbXsrv_connection *xconn, uint64_t mid)
1495 struct smbd_smb2_create_state *state = NULL;
1496 struct smbd_smb2_request *smb2req;
1498 smb2req = find_open_smb2req(xconn, mid);
1501 DEBUG(10,("schedule_deferred_open_message_smb2: "
1502 "can't find mid %llu\n",
1503 (unsigned long long)mid ));
1506 if (!smb2req->subreq) {
1509 if (!tevent_req_is_in_progress(smb2req->subreq)) {
1512 state = tevent_req_data(smb2req->subreq,
1513 struct smbd_smb2_create_state);
1518 /* Ensure we don't have any outstanding timer event. */
1519 TALLOC_FREE(state->te);
1520 /* Ensure we don't have any outstanding immediate event. */
1521 TALLOC_FREE(state->im);
1524 * This is subtle. We must null out the callback
1525 * before rescheduling, else the first call to
1526 * tevent_req_nterror() causes the _receive()
1527 * function to be called, this causing tevent_req_post()
1530 tevent_req_set_callback(smb2req->subreq, NULL, NULL);
1532 state->im = tevent_create_immediate(smb2req);
1534 smbd_server_connection_terminate(smb2req->xconn,
1535 nt_errstr(NT_STATUS_NO_MEMORY));
1539 DEBUG(10,("schedule_deferred_open_message_smb2: "
1540 "re-processing mid %llu\n",
1541 (unsigned long long)mid ));
1543 tevent_schedule_immediate(state->im,
1544 smb2req->sconn->ev_ctx,
1545 smbd_smb2_create_request_dispatch_immediate,
1551 static bool smbd_smb2_create_cancel(struct tevent_req *req)
1553 struct smbd_smb2_request *smb2req = NULL;
1554 struct smbd_smb2_create_state *state = tevent_req_data(req,
1555 struct smbd_smb2_create_state);
1562 if (!state->smb2req) {
1566 smb2req = state->smb2req;
1567 mid = get_mid_from_smb2req(smb2req);
1569 if (is_deferred_open_async(state->open_rec)) {
1570 /* Can't cancel an async create. */
1574 remove_deferred_open_message_smb2_internal(smb2req, mid);
1576 tevent_req_defer_callback(req, smb2req->sconn->ev_ctx);
1577 tevent_req_nterror(req, NT_STATUS_CANCELLED);
1581 bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
1582 struct timeval request_time,
1583 struct timeval timeout,
1585 struct deferred_open_record *open_rec)
1587 struct tevent_req *req = NULL;
1588 struct smbd_smb2_create_state *state = NULL;
1589 struct timeval end_time;
1594 req = smb2req->subreq;
1598 state = tevent_req_data(req, struct smbd_smb2_create_state);
1603 state->request_time = request_time;
1604 state->open_rec = talloc_move(state, &open_rec);
1606 /* Re-schedule us to retry on timer expiry. */
1607 end_time = timeval_sum(&request_time, &timeout);
1609 DEBUG(10,("push_deferred_open_message_smb2: "
1611 timeval_string(talloc_tos(),
1615 state->open_was_deferred = true;
1617 /* allow this request to be canceled */
1618 tevent_req_set_cancel_fn(req, smbd_smb2_create_cancel);