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/>.
23 #include "smbd/globals.h"
24 #include "../libcli/smb/smb_common.h"
26 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level
)
28 switch(in_oplock_level
) {
29 case SMB2_OPLOCK_LEVEL_NONE
:
31 case SMB2_OPLOCK_LEVEL_II
:
32 return LEVEL_II_OPLOCK
;
33 case SMB2_OPLOCK_LEVEL_EXCLUSIVE
:
34 return EXCLUSIVE_OPLOCK
;
35 case SMB2_OPLOCK_LEVEL_BATCH
:
37 case SMB2_OPLOCK_LEVEL_LEASE
:
38 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
39 "LEASE_OPLOCK_REQUESTED\n"));
42 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
44 (unsigned int)in_oplock_level
));
49 static uint8_t map_samba_oplock_levels_to_smb2(int oplock_type
)
51 if (BATCH_OPLOCK_TYPE(oplock_type
)) {
52 return SMB2_OPLOCK_LEVEL_BATCH
;
53 } else if (EXCLUSIVE_OPLOCK_TYPE(oplock_type
)) {
54 return SMB2_OPLOCK_LEVEL_EXCLUSIVE
;
55 } else if (oplock_type
== LEVEL_II_OPLOCK
) {
57 * Don't use LEVEL_II_OPLOCK_TYPE here as
58 * this also includes FAKE_LEVEL_II_OPLOCKs
59 * which are internal only.
61 return SMB2_OPLOCK_LEVEL_II
;
63 return SMB2_OPLOCK_LEVEL_NONE
;
67 static struct tevent_req
*smbd_smb2_create_send(TALLOC_CTX
*mem_ctx
,
68 struct tevent_context
*ev
,
69 struct smbd_smb2_request
*smb2req
,
70 uint8_t in_oplock_level
,
71 uint32_t in_impersonation_level
,
72 uint32_t in_desired_access
,
73 uint32_t in_file_attributes
,
74 uint32_t in_share_access
,
75 uint32_t in_create_disposition
,
76 uint32_t in_create_options
,
78 struct smb2_create_blobs in_context_blobs
);
79 static NTSTATUS
smbd_smb2_create_recv(struct tevent_req
*req
,
81 uint8_t *out_oplock_level
,
82 uint32_t *out_create_action
,
83 NTTIME
*out_creation_time
,
84 NTTIME
*out_last_access_time
,
85 NTTIME
*out_last_write_time
,
86 NTTIME
*out_change_time
,
87 uint64_t *out_allocation_size
,
88 uint64_t *out_end_of_file
,
89 uint32_t *out_file_attributes
,
90 uint64_t *out_file_id_persistent
,
91 uint64_t *out_file_id_volatile
,
92 struct smb2_create_blobs
*out_context_blobs
);
94 static void smbd_smb2_request_create_done(struct tevent_req
*tsubreq
);
95 NTSTATUS
smbd_smb2_request_process_create(struct smbd_smb2_request
*smb2req
)
97 const uint8_t *inbody
;
98 int i
= smb2req
->current_idx
;
99 size_t expected_body_size
= 0x39;
101 uint8_t in_oplock_level
;
102 uint32_t in_impersonation_level
;
103 uint32_t in_desired_access
;
104 uint32_t in_file_attributes
;
105 uint32_t in_share_access
;
106 uint32_t in_create_disposition
;
107 uint32_t in_create_options
;
108 uint16_t in_name_offset
;
109 uint16_t in_name_length
;
110 DATA_BLOB in_name_buffer
;
111 char *in_name_string
;
112 size_t in_name_string_size
;
113 uint32_t name_offset
= 0;
114 uint32_t name_available_length
= 0;
115 uint32_t in_context_offset
;
116 uint32_t in_context_length
;
117 DATA_BLOB in_context_buffer
;
118 struct smb2_create_blobs in_context_blobs
;
119 uint32_t context_offset
= 0;
120 uint32_t context_available_length
= 0;
124 struct tevent_req
*tsubreq
;
126 if (smb2req
->in
.vector
[i
+1].iov_len
!= (expected_body_size
& 0xFFFFFFFE)) {
127 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
130 inbody
= (const uint8_t *)smb2req
->in
.vector
[i
+1].iov_base
;
132 body_size
= SVAL(inbody
, 0x00);
133 if (body_size
!= expected_body_size
) {
134 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
137 in_oplock_level
= CVAL(inbody
, 0x03);
138 in_impersonation_level
= IVAL(inbody
, 0x04);
139 in_desired_access
= IVAL(inbody
, 0x18);
140 in_file_attributes
= IVAL(inbody
, 0x1C);
141 in_share_access
= IVAL(inbody
, 0x20);
142 in_create_disposition
= IVAL(inbody
, 0x24);
143 in_create_options
= IVAL(inbody
, 0x28);
144 in_name_offset
= SVAL(inbody
, 0x2C);
145 in_name_length
= SVAL(inbody
, 0x2E);
146 in_context_offset
= IVAL(inbody
, 0x30);
147 in_context_length
= IVAL(inbody
, 0x34);
150 * First check if the dynamic name and context buffers
151 * are correctly specified.
153 * Note: That we don't check if the name and context buffers
157 dyn_offset
= SMB2_HDR_BODY
+ (body_size
& 0xFFFFFFFE);
159 if (in_name_offset
== 0 && in_name_length
== 0) {
162 } else if (in_name_offset
< dyn_offset
) {
163 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
165 name_offset
= in_name_offset
- dyn_offset
;
168 if (name_offset
> smb2req
->in
.vector
[i
+2].iov_len
) {
169 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
172 name_available_length
= smb2req
->in
.vector
[i
+2].iov_len
- name_offset
;
174 if (in_name_length
> name_available_length
) {
175 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
178 in_name_buffer
.data
= (uint8_t *)smb2req
->in
.vector
[i
+2].iov_base
+
180 in_name_buffer
.length
= in_name_length
;
182 if (in_context_offset
== 0 && in_context_length
== 0) {
185 } else if (in_context_offset
< dyn_offset
) {
186 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
188 context_offset
= in_context_offset
- dyn_offset
;
191 if (context_offset
> smb2req
->in
.vector
[i
+2].iov_len
) {
192 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
195 context_available_length
= smb2req
->in
.vector
[i
+2].iov_len
- context_offset
;
197 if (in_context_length
> context_available_length
) {
198 return smbd_smb2_request_error(smb2req
, NT_STATUS_INVALID_PARAMETER
);
201 in_context_buffer
.data
= (uint8_t *)smb2req
->in
.vector
[i
+2].iov_base
+
203 in_context_buffer
.length
= in_context_length
;
206 * Now interpret the name and context buffers
209 ok
= convert_string_talloc(smb2req
, CH_UTF16
, CH_UNIX
,
211 in_name_buffer
.length
,
213 &in_name_string_size
, false);
215 return smbd_smb2_request_error(smb2req
, NT_STATUS_ILLEGAL_CHARACTER
);
218 ZERO_STRUCT(in_context_blobs
);
219 status
= smb2_create_blob_parse(smb2req
, in_context_buffer
, &in_context_blobs
);
220 if (!NT_STATUS_IS_OK(status
)) {
221 return smbd_smb2_request_error(smb2req
, status
);
224 tsubreq
= smbd_smb2_create_send(smb2req
,
225 smb2req
->sconn
->smb2
.event_ctx
,
228 in_impersonation_level
,
232 in_create_disposition
,
236 if (tsubreq
== NULL
) {
237 smb2req
->subreq
= NULL
;
238 return smbd_smb2_request_error(smb2req
, NT_STATUS_NO_MEMORY
);
240 tevent_req_set_callback(tsubreq
, smbd_smb2_request_create_done
, smb2req
);
242 return smbd_smb2_request_pending_queue(smb2req
, tsubreq
);
245 static uint64_t get_mid_from_smb2req(struct smbd_smb2_request
*smb2req
)
247 uint8_t *reqhdr
= (uint8_t *)smb2req
->out
.vector
[smb2req
->current_idx
].iov_base
;
248 return BVAL(reqhdr
, SMB2_HDR_MESSAGE_ID
);
251 static void smbd_smb2_request_create_done(struct tevent_req
*tsubreq
)
253 struct smbd_smb2_request
*smb2req
= tevent_req_callback_data(tsubreq
,
254 struct smbd_smb2_request
);
255 int i
= smb2req
->current_idx
;
259 uint8_t out_oplock_level
= 0;
260 uint32_t out_create_action
= 0;
261 NTTIME out_creation_time
= 0;
262 NTTIME out_last_access_time
= 0;
263 NTTIME out_last_write_time
= 0;
264 NTTIME out_change_time
= 0;
265 uint64_t out_allocation_size
= 0;
266 uint64_t out_end_of_file
= 0;
267 uint32_t out_file_attributes
= 0;
268 uint64_t out_file_id_persistent
= 0;
269 uint64_t out_file_id_volatile
= 0;
270 struct smb2_create_blobs out_context_blobs
;
271 DATA_BLOB out_context_buffer
;
272 uint16_t out_context_buffer_offset
= 0;
274 NTSTATUS error
; /* transport error */
276 if (smb2req
->cancelled
) {
277 uint64_t mid
= get_mid_from_smb2req(smb2req
);
278 DEBUG(10,("smbd_smb2_request_create_done: cancelled mid %llu\n",
279 (unsigned long long)mid
));
280 error
= smbd_smb2_request_error(smb2req
, NT_STATUS_CANCELLED
);
281 if (!NT_STATUS_IS_OK(error
)) {
282 smbd_server_connection_terminate(smb2req
->sconn
,
289 status
= smbd_smb2_create_recv(tsubreq
,
294 &out_last_access_time
,
295 &out_last_write_time
,
297 &out_allocation_size
,
299 &out_file_attributes
,
300 &out_file_id_persistent
,
301 &out_file_id_volatile
,
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
->sconn
,
313 status
= smb2_create_blob_push(smb2req
, &out_context_buffer
, out_context_blobs
);
314 if (!NT_STATUS_IS_OK(status
)) {
315 error
= smbd_smb2_request_error(smb2req
, status
);
316 if (!NT_STATUS_IS_OK(error
)) {
317 smbd_server_connection_terminate(smb2req
->sconn
,
324 if (out_context_buffer
.length
> 0) {
325 out_context_buffer_offset
= SMB2_HDR_BODY
+ 0x58;
328 outhdr
= (uint8_t *)smb2req
->out
.vector
[i
].iov_base
;
330 outbody
= data_blob_talloc(smb2req
->out
.vector
, NULL
, 0x58);
331 if (outbody
.data
== NULL
) {
332 error
= smbd_smb2_request_error(smb2req
, NT_STATUS_NO_MEMORY
);
333 if (!NT_STATUS_IS_OK(error
)) {
334 smbd_server_connection_terminate(smb2req
->sconn
,
341 SSVAL(outbody
.data
, 0x00, 0x58 + 1); /* struct size */
342 SCVAL(outbody
.data
, 0x02,
343 out_oplock_level
); /* oplock level */
344 SCVAL(outbody
.data
, 0x03, 0); /* reserved */
345 SIVAL(outbody
.data
, 0x04,
346 out_create_action
); /* create action */
347 SBVAL(outbody
.data
, 0x08,
348 out_creation_time
); /* creation time */
349 SBVAL(outbody
.data
, 0x10,
350 out_last_access_time
); /* last access time */
351 SBVAL(outbody
.data
, 0x18,
352 out_last_write_time
); /* last write time */
353 SBVAL(outbody
.data
, 0x20,
354 out_change_time
); /* change time */
355 SBVAL(outbody
.data
, 0x28,
356 out_allocation_size
); /* allocation size */
357 SBVAL(outbody
.data
, 0x30,
358 out_end_of_file
); /* end of file */
359 SIVAL(outbody
.data
, 0x38,
360 out_file_attributes
); /* file attributes */
361 SIVAL(outbody
.data
, 0x3C, 0); /* reserved */
362 SBVAL(outbody
.data
, 0x40,
363 out_file_id_persistent
); /* file id (persistent) */
364 SBVAL(outbody
.data
, 0x48,
365 out_file_id_volatile
); /* file id (volatile) */
366 SIVAL(outbody
.data
, 0x50,
367 out_context_buffer_offset
); /* create contexts offset */
368 SIVAL(outbody
.data
, 0x54,
369 out_context_buffer
.length
); /* create contexts length */
371 outdyn
= out_context_buffer
;
373 error
= smbd_smb2_request_done(smb2req
, outbody
, &outdyn
);
374 if (!NT_STATUS_IS_OK(error
)) {
375 smbd_server_connection_terminate(smb2req
->sconn
,
381 struct smbd_smb2_create_state
{
382 struct smbd_smb2_request
*smb2req
;
383 struct smb_request
*smb1req
;
384 struct timed_event
*te
;
385 struct tevent_immediate
*im
;
386 struct timeval request_time
;
388 DATA_BLOB private_data
;
389 uint8_t out_oplock_level
;
390 uint32_t out_create_action
;
391 NTTIME out_creation_time
;
392 NTTIME out_last_access_time
;
393 NTTIME out_last_write_time
;
394 NTTIME out_change_time
;
395 uint64_t out_allocation_size
;
396 uint64_t out_end_of_file
;
397 uint32_t out_file_attributes
;
398 uint64_t out_file_id_persistent
;
399 uint64_t out_file_id_volatile
;
400 struct smb2_create_blobs out_context_blobs
;
403 static struct tevent_req
*smbd_smb2_create_send(TALLOC_CTX
*mem_ctx
,
404 struct tevent_context
*ev
,
405 struct smbd_smb2_request
*smb2req
,
406 uint8_t in_oplock_level
,
407 uint32_t in_impersonation_level
,
408 uint32_t in_desired_access
,
409 uint32_t in_file_attributes
,
410 uint32_t in_share_access
,
411 uint32_t in_create_disposition
,
412 uint32_t in_create_options
,
414 struct smb2_create_blobs in_context_blobs
)
416 struct tevent_req
*req
= NULL
;
417 struct smbd_smb2_create_state
*state
= NULL
;
419 struct smb_request
*smb1req
= NULL
;
420 files_struct
*result
= NULL
;
422 struct timespec write_time_ts
;
423 struct smb2_create_blobs out_context_blobs
;
424 int requested_oplock_level
;
426 ZERO_STRUCT(out_context_blobs
);
428 if(lp_fake_oplocks(SNUM(smb2req
->tcon
->compat_conn
))) {
429 requested_oplock_level
= NO_OPLOCK
;
431 requested_oplock_level
= in_oplock_level
;
435 if (!smb2req
->async
) {
436 /* New create call. */
437 req
= tevent_req_create(mem_ctx
, &state
,
438 struct smbd_smb2_create_state
);
442 state
->smb2req
= smb2req
;
443 smb2req
->subreq
= req
; /* So we can find this when going async. */
445 smb1req
= smbd_smb2_fake_smb_request(smb2req
);
446 if (tevent_req_nomem(smb1req
, req
)) {
447 return tevent_req_post(req
, ev
);
449 state
->smb1req
= smb1req
;
450 DEBUG(10,("smbd_smb2_create: name[%s]\n",
453 /* Re-entrant create call. */
454 req
= smb2req
->subreq
;
455 state
= tevent_req_data(req
,
456 struct smbd_smb2_create_state
);
457 smb1req
= state
->smb1req
;
458 DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
462 if (IS_IPC(smb1req
->conn
)) {
463 const char *pipe_name
= in_name
;
465 if (!lp_nt_pipe_support()) {
466 tevent_req_nterror(req
, NT_STATUS_ACCESS_DENIED
);
467 return tevent_req_post(req
, ev
);
470 /* Strip \\ off the name. */
471 if (pipe_name
[0] == '\\') {
475 status
= open_np_file(smb1req
, pipe_name
, &result
);
476 if (!NT_STATUS_IS_OK(status
)) {
477 tevent_req_nterror(req
, status
);
478 return tevent_req_post(req
, ev
);
480 info
= FILE_WAS_OPENED
;
481 } else if (CAN_PRINT(smb1req
->conn
)) {
482 status
= file_new(smb1req
, smb1req
->conn
, &result
);
483 if(!NT_STATUS_IS_OK(status
)) {
484 tevent_req_nterror(req
, status
);
485 return tevent_req_post(req
, ev
);
488 status
= print_fsp_open(smb1req
,
493 if (!NT_STATUS_IS_OK(status
)) {
494 file_free(smb1req
, result
);
495 tevent_req_nterror(req
, status
);
496 return tevent_req_post(req
, ev
);
498 info
= FILE_WAS_CREATED
;
501 struct smb_filename
*smb_fname
= NULL
;
502 struct smb2_create_blob
*exta
= NULL
;
503 struct ea_list
*ea_list
= NULL
;
504 struct smb2_create_blob
*mxac
= NULL
;
505 NTTIME max_access_time
= 0;
506 struct smb2_create_blob
*secd
= NULL
;
507 struct security_descriptor
*sec_desc
= NULL
;
508 struct smb2_create_blob
*dhnq
= NULL
;
509 struct smb2_create_blob
*dhnc
= NULL
;
510 struct smb2_create_blob
*alsi
= NULL
;
511 uint64_t allocation_size
= 0;
512 struct smb2_create_blob
*twrp
= NULL
;
513 struct smb2_create_blob
*qfid
= NULL
;
515 exta
= smb2_create_blob_find(&in_context_blobs
,
516 SMB2_CREATE_TAG_EXTA
);
517 mxac
= smb2_create_blob_find(&in_context_blobs
,
518 SMB2_CREATE_TAG_MXAC
);
519 secd
= smb2_create_blob_find(&in_context_blobs
,
520 SMB2_CREATE_TAG_SECD
);
521 dhnq
= smb2_create_blob_find(&in_context_blobs
,
522 SMB2_CREATE_TAG_DHNQ
);
523 dhnc
= smb2_create_blob_find(&in_context_blobs
,
524 SMB2_CREATE_TAG_DHNC
);
525 alsi
= smb2_create_blob_find(&in_context_blobs
,
526 SMB2_CREATE_TAG_ALSI
);
527 twrp
= smb2_create_blob_find(&in_context_blobs
,
528 SMB2_CREATE_TAG_TWRP
);
529 qfid
= smb2_create_blob_find(&in_context_blobs
,
530 SMB2_CREATE_TAG_QFID
);
532 fname
= talloc_strdup(state
, in_name
);
533 if (tevent_req_nomem(fname
, req
)) {
534 return tevent_req_post(req
, ev
);
539 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
540 return tevent_req_post(req
, ev
);
543 ea_list
= read_nttrans_ea_list(mem_ctx
,
544 (const char *)exta
->data
.data
, exta
->data
.length
);
546 DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
547 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
548 return tevent_req_post(req
, ev
);
554 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
555 return tevent_req_post(req
, ev
);
558 if (mxac
->data
.length
== 0) {
560 } else if (mxac
->data
.length
== 8) {
561 max_access_time
= BVAL(mxac
->data
.data
, 0);
563 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
564 return tevent_req_post(req
, ev
);
569 enum ndr_err_code ndr_err
;
572 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
573 return tevent_req_post(req
, ev
);
576 sec_desc
= talloc_zero(state
, struct security_descriptor
);
577 if (tevent_req_nomem(sec_desc
, req
)) {
578 return tevent_req_post(req
, ev
);
581 ndr_err
= ndr_pull_struct_blob(&secd
->data
,
583 (ndr_pull_flags_fn_t
)ndr_pull_security_descriptor
);
584 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err
)) {
585 DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
586 ndr_errstr(ndr_err
)));
587 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
588 return tevent_req_post(req
, ev
);
594 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
595 return tevent_req_post(req
, ev
);
598 if (dhnq
->data
.length
!= 16) {
599 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
600 return tevent_req_post(req
, ev
);
603 * we don't support durable handles yet
604 * and have to ignore this
609 if (dhnc
->data
.length
!= 16) {
610 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
611 return tevent_req_post(req
, ev
);
613 /* we don't support durable handles yet */
614 tevent_req_nterror(req
, NT_STATUS_OBJECT_NAME_NOT_FOUND
);
615 return tevent_req_post(req
, ev
);
620 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
621 return tevent_req_post(req
, ev
);
624 if (alsi
->data
.length
!= 8) {
625 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
626 return tevent_req_post(req
, ev
);
628 allocation_size
= BVAL(alsi
->data
.data
, 0);
637 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
638 return tevent_req_post(req
, ev
);
641 if (twrp
->data
.length
!= 8) {
642 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
643 return tevent_req_post(req
, ev
);
646 nttime
= BVAL(twrp
->data
.data
, 0);
647 t
= nt_time_to_unix(nttime
);
651 fname
= talloc_asprintf(state
,
652 "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
660 if (tevent_req_nomem(fname
, req
)) {
661 return tevent_req_post(req
, ev
);
666 if (qfid
->data
.length
!= 0) {
667 tevent_req_nterror(req
, NT_STATUS_INVALID_PARAMETER
);
668 return tevent_req_post(req
, ev
);
672 /* these are ignored for SMB2 */
673 in_create_options
&= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
674 in_create_options
&= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
677 * For a DFS path the function parse_dfs_path()
678 * will do the path processing.
681 if (!smb1req
->flags2
& FLAGS2_DFS_PATHNAMES
) {
682 /* convert '\\' into '/' */
683 status
= check_path_syntax(fname
);
684 if (!NT_STATUS_IS_OK(status
)) {
685 tevent_req_nterror(req
, status
);
686 return tevent_req_post(req
, ev
);
690 status
= filename_convert(req
,
692 smb1req
->flags2
& FLAGS2_DFS_PATHNAMES
,
697 if (!NT_STATUS_IS_OK(status
)) {
698 tevent_req_nterror(req
, status
);
699 return tevent_req_post(req
, ev
);
702 in_file_attributes
&= ~FILE_FLAG_POSIX_SEMANTICS
;
704 status
= SMB_VFS_CREATE_FILE(smb1req
->conn
,
706 0, /* root_dir_fid */
710 in_create_disposition
,
713 map_smb2_oplock_levels_to_samba(requested_oplock_level
),
715 0, /* private_flags */
720 if (!NT_STATUS_IS_OK(status
)) {
721 if (open_was_deferred(smb1req
->mid
)) {
724 tevent_req_nterror(req
, status
);
725 return tevent_req_post(req
, ev
);
729 NTTIME last_write_time
;
731 unix_timespec_to_nt_time(&last_write_time
,
732 result
->fsp_name
->st
.st_ex_mtime
);
733 if (last_write_time
!= max_access_time
) {
735 uint32_t max_access_granted
;
736 DATA_BLOB blob
= data_blob_const(p
, sizeof(p
));
738 status
= smbd_check_open_rights(smb1req
->conn
,
740 SEC_FLAG_MAXIMUM_ALLOWED
,
741 &max_access_granted
);
743 SIVAL(p
, 0, NT_STATUS_V(status
));
744 SIVAL(p
, 4, max_access_granted
);
746 status
= smb2_create_blob_add(state
,
748 SMB2_CREATE_TAG_MXAC
,
750 if (!NT_STATUS_IS_OK(status
)) {
751 tevent_req_nterror(req
, status
);
752 return tevent_req_post(req
, ev
);
759 uint64_t file_index
= get_FileIndex(result
->conn
,
760 &result
->fsp_name
->st
);
761 DATA_BLOB blob
= data_blob_const(p
, sizeof(p
));
765 /* From conversations with Microsoft engineers at
766 the MS plugfest. The first 8 bytes are the "volume index"
767 == inode, the second 8 bytes are the "volume id",
768 == dev. This will be updated in the SMB2 doc. */
769 SBVAL(p
, 0, file_index
);
770 SIVAL(p
, 8, result
->fsp_name
->st
.st_ex_dev
);/* FileIndexHigh */
772 status
= smb2_create_blob_add(state
, &out_context_blobs
,
773 SMB2_CREATE_TAG_QFID
,
775 if (!NT_STATUS_IS_OK(status
)) {
776 tevent_req_nterror(req
, status
);
777 return tevent_req_post(req
, ev
);
782 smb2req
->compat_chain_fsp
= smb1req
->chain_fsp
;
784 if(lp_fake_oplocks(SNUM(smb2req
->tcon
->compat_conn
))) {
785 state
->out_oplock_level
= in_oplock_level
;
787 state
->out_oplock_level
= map_samba_oplock_levels_to_smb2(result
->oplock_type
);
790 if ((in_create_disposition
== FILE_SUPERSEDE
)
791 && (info
== FILE_WAS_OVERWRITTEN
)) {
792 state
->out_create_action
= FILE_WAS_SUPERSEDED
;
794 state
->out_create_action
= info
;
796 state
->out_file_attributes
= dos_mode(result
->conn
,
798 /* Deal with other possible opens having a modified
800 ZERO_STRUCT(write_time_ts
);
801 get_file_infos(result
->file_id
, NULL
, &write_time_ts
);
802 if (!null_timespec(write_time_ts
)) {
803 update_stat_ex_mtime(&result
->fsp_name
->st
, write_time_ts
);
806 unix_timespec_to_nt_time(&state
->out_creation_time
,
807 get_create_timespec(smb1req
->conn
, result
,
809 unix_timespec_to_nt_time(&state
->out_last_access_time
,
810 result
->fsp_name
->st
.st_ex_atime
);
811 unix_timespec_to_nt_time(&state
->out_last_write_time
,
812 result
->fsp_name
->st
.st_ex_mtime
);
813 unix_timespec_to_nt_time(&state
->out_change_time
,
814 get_change_timespec(smb1req
->conn
, result
,
816 state
->out_allocation_size
=
817 result
->fsp_name
->st
.st_ex_blksize
*
818 result
->fsp_name
->st
.st_ex_blocks
;
819 state
->out_end_of_file
= result
->fsp_name
->st
.st_ex_size
;
820 if (state
->out_file_attributes
== 0) {
821 state
->out_file_attributes
= FILE_ATTRIBUTE_NORMAL
;
823 state
->out_file_id_persistent
= result
->fnum
;
824 state
->out_file_id_volatile
= result
->fnum
;
825 state
->out_context_blobs
= out_context_blobs
;
827 tevent_req_done(req
);
828 return tevent_req_post(req
, ev
);
831 static NTSTATUS
smbd_smb2_create_recv(struct tevent_req
*req
,
833 uint8_t *out_oplock_level
,
834 uint32_t *out_create_action
,
835 NTTIME
*out_creation_time
,
836 NTTIME
*out_last_access_time
,
837 NTTIME
*out_last_write_time
,
838 NTTIME
*out_change_time
,
839 uint64_t *out_allocation_size
,
840 uint64_t *out_end_of_file
,
841 uint32_t *out_file_attributes
,
842 uint64_t *out_file_id_persistent
,
843 uint64_t *out_file_id_volatile
,
844 struct smb2_create_blobs
*out_context_blobs
)
847 struct smbd_smb2_create_state
*state
= tevent_req_data(req
,
848 struct smbd_smb2_create_state
);
850 if (tevent_req_is_nterror(req
, &status
)) {
851 tevent_req_received(req
);
855 *out_oplock_level
= state
->out_oplock_level
;
856 *out_create_action
= state
->out_create_action
;
857 *out_creation_time
= state
->out_creation_time
;
858 *out_last_access_time
= state
->out_last_access_time
;
859 *out_last_write_time
= state
->out_last_write_time
;
860 *out_change_time
= state
->out_change_time
;
861 *out_allocation_size
= state
->out_allocation_size
;
862 *out_end_of_file
= state
->out_end_of_file
;
863 *out_file_attributes
= state
->out_file_attributes
;
864 *out_file_id_persistent
= state
->out_file_id_persistent
;
865 *out_file_id_volatile
= state
->out_file_id_volatile
;
866 *out_context_blobs
= state
->out_context_blobs
;
868 talloc_steal(mem_ctx
, state
->out_context_blobs
.blobs
);
870 tevent_req_received(req
);
874 /*********************************************************
875 Code for dealing with deferred opens.
876 *********************************************************/
878 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request
*smb2req
,
879 struct timeval
*p_request_time
,
882 struct smbd_smb2_create_state
*state
= NULL
;
883 struct tevent_req
*req
= NULL
;
888 if (!smb2req
->async
) {
891 req
= smb2req
->subreq
;
895 state
= tevent_req_data(req
, struct smbd_smb2_create_state
);
899 if (p_request_time
) {
900 *p_request_time
= state
->request_time
;
903 *pp_state
= (void *)state
->private_data
.data
;
908 /*********************************************************
909 Re-process this call early - requested by message or
911 *********************************************************/
913 static struct smbd_smb2_request
*find_open_smb2req(uint64_t mid
)
915 struct smbd_server_connection
*sconn
= smbd_server_conn
;
916 struct smbd_smb2_request
*smb2req
;
918 for (smb2req
= sconn
->smb2
.requests
; smb2req
; smb2req
= smb2req
->next
) {
920 if (smb2req
->subreq
== NULL
) {
921 /* This message has been processed. */
924 if (!tevent_req_is_in_progress(smb2req
->subreq
)) {
925 /* This message has been processed. */
928 message_id
= get_mid_from_smb2req(smb2req
);
929 if (message_id
== mid
) {
936 bool open_was_deferred_smb2(uint64_t mid
)
938 struct smbd_smb2_create_state
*state
= NULL
;
939 struct smbd_smb2_request
*smb2req
= find_open_smb2req(mid
);
942 DEBUG(10,("open_was_deferred_smb2: mid %llu smb2req == NULL\n",
943 (unsigned long long)mid
));
946 if (!smb2req
->subreq
) {
949 if (!tevent_req_is_in_progress(smb2req
->subreq
)) {
952 state
= tevent_req_data(smb2req
->subreq
,
953 struct smbd_smb2_create_state
);
957 /* It's not in progress if there's no timeout event. */
962 DEBUG(10,("open_was_deferred_smb2: mid = %llu\n",
963 (unsigned long long)mid
));
968 static void remove_deferred_open_message_smb2_internal(struct smbd_smb2_request
*smb2req
,
971 struct smbd_smb2_create_state
*state
= NULL
;
973 if (!smb2req
->subreq
) {
976 if (!tevent_req_is_in_progress(smb2req
->subreq
)) {
979 state
= tevent_req_data(smb2req
->subreq
,
980 struct smbd_smb2_create_state
);
985 DEBUG(10,("remove_deferred_open_message_smb2_internal: "
987 (unsigned long long)mid
));
989 /* Ensure we don't have any outstanding timer event. */
990 TALLOC_FREE(state
->te
);
991 /* Ensure we don't have any outstanding immediate event. */
992 TALLOC_FREE(state
->im
);
995 void remove_deferred_open_message_smb2(uint64_t mid
)
997 struct smbd_smb2_request
*smb2req
= find_open_smb2req(mid
);
1000 DEBUG(10,("remove_deferred_open_message_smb2: "
1001 "can't find mid %llu\n",
1002 (unsigned long long)mid
));
1005 remove_deferred_open_message_smb2_internal(smb2req
, mid
);
1008 static void smbd_smb2_create_request_dispatch_immediate(struct tevent_context
*ctx
,
1009 struct tevent_immediate
*im
,
1012 struct smbd_smb2_request
*smb2req
= talloc_get_type_abort(private_data
,
1013 struct smbd_smb2_request
);
1014 struct smbd_server_connection
*sconn
= smb2req
->sconn
;
1015 uint64_t mid
= get_mid_from_smb2req(smb2req
);
1018 DEBUG(10,("smbd_smb2_create_request_dispatch_immediate: "
1019 "re-dispatching mid %llu\n",
1020 (unsigned long long)mid
));
1022 status
= smbd_smb2_request_dispatch(smb2req
);
1023 if (!NT_STATUS_IS_OK(status
)) {
1024 smbd_server_connection_terminate(sconn
, nt_errstr(status
));
1029 void schedule_deferred_open_message_smb2(uint64_t mid
)
1031 struct smbd_smb2_create_state
*state
= NULL
;
1032 struct smbd_smb2_request
*smb2req
= find_open_smb2req(mid
);
1035 DEBUG(10,("schedule_deferred_open_message_smb2: "
1036 "can't find mid %llu\n",
1037 (unsigned long long)mid
));
1040 if (!smb2req
->subreq
) {
1043 if (!tevent_req_is_in_progress(smb2req
->subreq
)) {
1046 state
= tevent_req_data(smb2req
->subreq
,
1047 struct smbd_smb2_create_state
);
1052 /* Ensure we don't have any outstanding timer event. */
1053 TALLOC_FREE(state
->te
);
1054 /* Ensure we don't have any outstanding immediate event. */
1055 TALLOC_FREE(state
->im
);
1058 * This is subtle. We must null out the callback
1059 * before resheduling, else the first call to
1060 * tevent_req_nterror() causes the _receive()
1061 * function to be called, this causing tevent_req_post()
1064 tevent_req_set_callback(smb2req
->subreq
, NULL
, NULL
);
1066 state
->im
= tevent_create_immediate(smb2req
);
1068 smbd_server_connection_terminate(smb2req
->sconn
,
1069 nt_errstr(NT_STATUS_NO_MEMORY
));
1072 DEBUG(10,("schedule_deferred_open_message_smb2: "
1073 "re-processing mid %llu\n",
1074 (unsigned long long)mid
));
1076 tevent_schedule_immediate(state
->im
,
1077 smb2req
->sconn
->smb2
.event_ctx
,
1078 smbd_smb2_create_request_dispatch_immediate
,
1082 /*********************************************************
1083 Re-process this call.
1084 *********************************************************/
1086 static void smb2_deferred_open_timer(struct event_context
*ev
,
1087 struct timed_event
*te
,
1088 struct timeval _tval
,
1092 struct smbd_smb2_create_state
*state
= NULL
;
1093 struct smbd_smb2_request
*smb2req
= talloc_get_type(private_data
,
1094 struct smbd_smb2_request
);
1096 DEBUG(10,("smb2_deferred_open_timer: [idx=%d], %s\n",
1097 smb2req
->current_idx
,
1098 tevent_req_default_print(smb2req
->subreq
, talloc_tos()) ));
1100 state
= tevent_req_data(smb2req
->subreq
,
1101 struct smbd_smb2_create_state
);
1106 * Null this out, don't talloc_free. It will
1107 * be talloc_free'd by the tevent library when
1111 /* Ensure we don't have any outstanding immediate event. */
1112 TALLOC_FREE(state
->im
);
1115 * This is subtle. We must null out the callback
1116 * before resheduling, else the first call to
1117 * tevent_req_nterror() causes the _receive()
1118 * function to be called, this causing tevent_req_post()
1121 tevent_req_set_callback(smb2req
->subreq
, NULL
, NULL
);
1123 status
= smbd_smb2_request_dispatch(smb2req
);
1125 if (!NT_STATUS_IS_OK(status
)) {
1126 smbd_server_connection_terminate(smb2req
->sconn
,
1131 static bool smbd_smb2_create_cancel(struct tevent_req
*req
)
1133 struct smbd_smb2_request
*smb2req
= NULL
;
1134 struct smbd_smb2_create_state
*state
= tevent_req_data(req
,
1135 struct smbd_smb2_create_state
);
1142 if (!state
->smb2req
) {
1146 smb2req
= state
->smb2req
;
1147 mid
= get_mid_from_smb2req(smb2req
);
1149 remove_deferred_open_entry(state
->id
, mid
);
1150 remove_deferred_open_message_smb2_internal(smb2req
, mid
);
1151 smb2req
->cancelled
= true;
1153 tevent_req_done(req
);
1157 bool push_deferred_open_message_smb2(struct smbd_smb2_request
*smb2req
,
1158 struct timeval request_time
,
1159 struct timeval timeout
,
1164 struct tevent_req
*req
= NULL
;
1165 struct smbd_smb2_create_state
*state
= NULL
;
1166 struct timeval end_time
;
1171 req
= smb2req
->subreq
;
1175 state
= tevent_req_data(req
, struct smbd_smb2_create_state
);
1180 state
->request_time
= request_time
;
1181 state
->private_data
= data_blob_talloc(state
, private_data
,
1183 if (!state
->private_data
.data
) {
1188 /* Boo - turns out this isn't what W2K8R2
1189 does. It actually sends the STATUS_PENDING
1190 message followed by the STATUS_SHARING_VIOLATION
1191 message. Surely this means that all open
1192 calls (even on directories) will potentially
1193 fail in a chain.... ? And I've seen directory
1194 opens as the start of a chain. JRA.
1196 Update: 19th May 2010. Talking with Microsoft
1197 engineers at the plugfest this is a bug in
1198 Windows. Re-enable this code.
1201 * More subtlety. To match W2K8R2 don't
1202 * send a "gone async" message if it's simply
1203 * a STATUS_SHARING_VIOLATION (short) wait, not
1204 * an oplock break wait. We do this by prematurely
1205 * setting smb2req->async flag.
1207 if (timeout
.tv_sec
< 2) {
1208 DEBUG(10,("push_deferred_open_message_smb2: "
1209 "short timer wait (usec = %u). "
1210 "Don't send async message.\n",
1211 (unsigned int)timeout
.tv_usec
));
1212 smb2req
->async
= true;
1216 /* Re-schedule us to retry on timer expiry. */
1217 end_time
= timeval_sum(&request_time
, &timeout
);
1219 DEBUG(10,("push_deferred_open_message_smb2: "
1221 timeval_string(talloc_tos(),
1225 state
->te
= event_add_timed(smb2req
->sconn
->smb2
.event_ctx
,
1228 smb2_deferred_open_timer
,
1234 /* allow this request to be canceled */
1235 tevent_req_set_cancel_fn(req
, smbd_smb2_create_cancel
);