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 "../lib/util/tevent_ntstatus.h"
31 int map_smb2_oplock_levels_to_samba(uint8_t in_oplock_level)
33 switch(in_oplock_level) {
34 case SMB2_OPLOCK_LEVEL_NONE:
36 case SMB2_OPLOCK_LEVEL_II:
37 return LEVEL_II_OPLOCK;
38 case SMB2_OPLOCK_LEVEL_EXCLUSIVE:
39 return EXCLUSIVE_OPLOCK;
40 case SMB2_OPLOCK_LEVEL_BATCH:
42 case SMB2_OPLOCK_LEVEL_LEASE:
43 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
44 "LEASE_OPLOCK_REQUESTED\n"));
47 DEBUG(2,("map_smb2_oplock_levels_to_samba: "
49 (unsigned int)in_oplock_level));
54 static uint8_t map_samba_oplock_levels_to_smb2(int oplock_type)
56 if (BATCH_OPLOCK_TYPE(oplock_type)) {
57 return SMB2_OPLOCK_LEVEL_BATCH;
58 } else if (EXCLUSIVE_OPLOCK_TYPE(oplock_type)) {
59 return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
60 } else if (oplock_type == LEVEL_II_OPLOCK) {
62 * Don't use LEVEL_II_OPLOCK_TYPE here as
63 * this also includes FAKE_LEVEL_II_OPLOCKs
64 * which are internal only.
66 return SMB2_OPLOCK_LEVEL_II;
68 return SMB2_OPLOCK_LEVEL_NONE;
72 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
73 struct tevent_context *ev,
74 struct smbd_smb2_request *smb2req,
75 uint8_t in_oplock_level,
76 uint32_t in_impersonation_level,
77 uint32_t in_desired_access,
78 uint32_t in_file_attributes,
79 uint32_t in_share_access,
80 uint32_t in_create_disposition,
81 uint32_t in_create_options,
83 struct smb2_create_blobs in_context_blobs);
84 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
86 uint8_t *out_oplock_level,
87 uint32_t *out_create_action,
88 NTTIME *out_creation_time,
89 NTTIME *out_last_access_time,
90 NTTIME *out_last_write_time,
91 NTTIME *out_change_time,
92 uint64_t *out_allocation_size,
93 uint64_t *out_end_of_file,
94 uint32_t *out_file_attributes,
95 uint64_t *out_file_id_persistent,
96 uint64_t *out_file_id_volatile,
97 struct smb2_create_blobs *out_context_blobs);
99 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq);
100 NTSTATUS smbd_smb2_request_process_create(struct smbd_smb2_request *smb2req)
102 const uint8_t *inbody;
103 int i = smb2req->current_idx;
104 uint8_t in_oplock_level;
105 uint32_t in_impersonation_level;
106 uint32_t in_desired_access;
107 uint32_t in_file_attributes;
108 uint32_t in_share_access;
109 uint32_t in_create_disposition;
110 uint32_t in_create_options;
111 uint16_t in_name_offset;
112 uint16_t in_name_length;
113 DATA_BLOB in_name_buffer;
114 char *in_name_string;
115 size_t in_name_string_size;
116 uint32_t name_offset = 0;
117 uint32_t name_available_length = 0;
118 uint32_t in_context_offset;
119 uint32_t in_context_length;
120 DATA_BLOB in_context_buffer;
121 struct smb2_create_blobs in_context_blobs;
122 uint32_t context_offset = 0;
123 uint32_t context_available_length = 0;
127 struct tevent_req *tsubreq;
129 status = smbd_smb2_request_verify_sizes(smb2req, 0x39);
130 if (!NT_STATUS_IS_OK(status)) {
131 return smbd_smb2_request_error(smb2req, status);
133 inbody = (const uint8_t *)smb2req->in.vector[i+1].iov_base;
135 in_oplock_level = CVAL(inbody, 0x03);
136 in_impersonation_level = IVAL(inbody, 0x04);
137 in_desired_access = IVAL(inbody, 0x18);
138 in_file_attributes = IVAL(inbody, 0x1C);
139 in_share_access = IVAL(inbody, 0x20);
140 in_create_disposition = IVAL(inbody, 0x24);
141 in_create_options = IVAL(inbody, 0x28);
142 in_name_offset = SVAL(inbody, 0x2C);
143 in_name_length = SVAL(inbody, 0x2E);
144 in_context_offset = IVAL(inbody, 0x30);
145 in_context_length = IVAL(inbody, 0x34);
148 * First check if the dynamic name and context buffers
149 * are correctly specified.
151 * Note: That we don't check if the name and context buffers
155 dyn_offset = SMB2_HDR_BODY + smb2req->in.vector[i+1].iov_len;
157 if (in_name_offset == 0 && in_name_length == 0) {
160 } else if (in_name_offset < dyn_offset) {
161 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
163 name_offset = in_name_offset - dyn_offset;
166 if (name_offset > smb2req->in.vector[i+2].iov_len) {
167 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
170 name_available_length = smb2req->in.vector[i+2].iov_len - name_offset;
172 if (in_name_length > name_available_length) {
173 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
176 in_name_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
178 in_name_buffer.length = in_name_length;
180 if (in_context_offset == 0 && in_context_length == 0) {
183 } else if (in_context_offset < dyn_offset) {
184 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
186 context_offset = in_context_offset - dyn_offset;
189 if (context_offset > smb2req->in.vector[i+2].iov_len) {
190 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
193 context_available_length = smb2req->in.vector[i+2].iov_len - context_offset;
195 if (in_context_length > context_available_length) {
196 return smbd_smb2_request_error(smb2req, NT_STATUS_INVALID_PARAMETER);
199 in_context_buffer.data = (uint8_t *)smb2req->in.vector[i+2].iov_base +
201 in_context_buffer.length = in_context_length;
204 * Now interpret the name and context buffers
207 ok = convert_string_talloc(smb2req, CH_UTF16, CH_UNIX,
209 in_name_buffer.length,
211 &in_name_string_size);
213 return smbd_smb2_request_error(smb2req, NT_STATUS_ILLEGAL_CHARACTER);
216 if (in_name_buffer.length == 0) {
217 in_name_string_size = 0;
220 if (strlen(in_name_string) != in_name_string_size) {
221 return smbd_smb2_request_error(smb2req, NT_STATUS_OBJECT_NAME_INVALID);
224 ZERO_STRUCT(in_context_blobs);
225 status = smb2_create_blob_parse(smb2req, in_context_buffer, &in_context_blobs);
226 if (!NT_STATUS_IS_OK(status)) {
227 return smbd_smb2_request_error(smb2req, status);
230 tsubreq = smbd_smb2_create_send(smb2req,
231 smb2req->sconn->ev_ctx,
234 in_impersonation_level,
238 in_create_disposition,
242 if (tsubreq == NULL) {
243 smb2req->subreq = NULL;
244 return smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
246 tevent_req_set_callback(tsubreq, smbd_smb2_request_create_done, smb2req);
249 * For now we keep the logic that we do not send STATUS_PENDING
250 * for sharing violations, so we just wait 2 seconds.
252 * TODO: we need more tests for this.
254 return smbd_smb2_request_pending_queue(smb2req, tsubreq, 2000000);
257 static uint64_t get_mid_from_smb2req(struct smbd_smb2_request *smb2req)
259 uint8_t *reqhdr = (uint8_t *)smb2req->out.vector[smb2req->current_idx].iov_base;
260 return BVAL(reqhdr, SMB2_HDR_MESSAGE_ID);
263 static void smbd_smb2_request_create_done(struct tevent_req *tsubreq)
265 struct smbd_smb2_request *smb2req = tevent_req_callback_data(tsubreq,
266 struct smbd_smb2_request);
267 int i = smb2req->current_idx;
271 uint8_t out_oplock_level = 0;
272 uint32_t out_create_action = 0;
273 NTTIME out_creation_time = 0;
274 NTTIME out_last_access_time = 0;
275 NTTIME out_last_write_time = 0;
276 NTTIME out_change_time = 0;
277 uint64_t out_allocation_size = 0;
278 uint64_t out_end_of_file = 0;
279 uint32_t out_file_attributes = 0;
280 uint64_t out_file_id_persistent = 0;
281 uint64_t out_file_id_volatile = 0;
282 struct smb2_create_blobs out_context_blobs;
283 DATA_BLOB out_context_buffer;
284 uint16_t out_context_buffer_offset = 0;
286 NTSTATUS error; /* transport error */
288 if (smb2req->cancelled) {
289 uint64_t mid = get_mid_from_smb2req(smb2req);
290 DEBUG(10,("smbd_smb2_request_create_done: cancelled mid %llu\n",
291 (unsigned long long)mid ));
292 error = smbd_smb2_request_error(smb2req, NT_STATUS_CANCELLED);
293 if (!NT_STATUS_IS_OK(error)) {
294 smbd_server_connection_terminate(smb2req->sconn,
301 status = smbd_smb2_create_recv(tsubreq,
306 &out_last_access_time,
307 &out_last_write_time,
309 &out_allocation_size,
311 &out_file_attributes,
312 &out_file_id_persistent,
313 &out_file_id_volatile,
315 if (!NT_STATUS_IS_OK(status)) {
316 error = smbd_smb2_request_error(smb2req, status);
317 if (!NT_STATUS_IS_OK(error)) {
318 smbd_server_connection_terminate(smb2req->sconn,
325 status = smb2_create_blob_push(smb2req, &out_context_buffer, out_context_blobs);
326 if (!NT_STATUS_IS_OK(status)) {
327 error = smbd_smb2_request_error(smb2req, status);
328 if (!NT_STATUS_IS_OK(error)) {
329 smbd_server_connection_terminate(smb2req->sconn,
336 if (out_context_buffer.length > 0) {
337 out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
340 outhdr = (uint8_t *)smb2req->out.vector[i].iov_base;
342 outbody = data_blob_talloc(smb2req->out.vector, NULL, 0x58);
343 if (outbody.data == NULL) {
344 error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
345 if (!NT_STATUS_IS_OK(error)) {
346 smbd_server_connection_terminate(smb2req->sconn,
353 SSVAL(outbody.data, 0x00, 0x58 + 1); /* struct size */
354 SCVAL(outbody.data, 0x02,
355 out_oplock_level); /* oplock level */
356 SCVAL(outbody.data, 0x03, 0); /* reserved */
357 SIVAL(outbody.data, 0x04,
358 out_create_action); /* create action */
359 SBVAL(outbody.data, 0x08,
360 out_creation_time); /* creation time */
361 SBVAL(outbody.data, 0x10,
362 out_last_access_time); /* last access time */
363 SBVAL(outbody.data, 0x18,
364 out_last_write_time); /* last write time */
365 SBVAL(outbody.data, 0x20,
366 out_change_time); /* change time */
367 SBVAL(outbody.data, 0x28,
368 out_allocation_size); /* allocation size */
369 SBVAL(outbody.data, 0x30,
370 out_end_of_file); /* end of file */
371 SIVAL(outbody.data, 0x38,
372 out_file_attributes); /* file attributes */
373 SIVAL(outbody.data, 0x3C, 0); /* reserved */
374 SBVAL(outbody.data, 0x40,
375 out_file_id_persistent); /* file id (persistent) */
376 SBVAL(outbody.data, 0x48,
377 out_file_id_volatile); /* file id (volatile) */
378 SIVAL(outbody.data, 0x50,
379 out_context_buffer_offset); /* create contexts offset */
380 SIVAL(outbody.data, 0x54,
381 out_context_buffer.length); /* create contexts length */
383 outdyn = out_context_buffer;
385 error = smbd_smb2_request_done(smb2req, outbody, &outdyn);
386 if (!NT_STATUS_IS_OK(error)) {
387 smbd_server_connection_terminate(smb2req->sconn,
393 struct smbd_smb2_create_state {
394 struct smbd_smb2_request *smb2req;
395 struct smb_request *smb1req;
396 struct timed_event *te;
397 struct tevent_immediate *im;
398 struct timeval request_time;
400 DATA_BLOB private_data;
401 uint8_t out_oplock_level;
402 uint32_t out_create_action;
403 NTTIME out_creation_time;
404 NTTIME out_last_access_time;
405 NTTIME out_last_write_time;
406 NTTIME out_change_time;
407 uint64_t out_allocation_size;
408 uint64_t out_end_of_file;
409 uint32_t out_file_attributes;
410 uint64_t out_file_id_persistent;
411 uint64_t out_file_id_volatile;
412 struct smb2_create_blobs out_context_blobs;
415 static struct tevent_req *smbd_smb2_create_send(TALLOC_CTX *mem_ctx,
416 struct tevent_context *ev,
417 struct smbd_smb2_request *smb2req,
418 uint8_t in_oplock_level,
419 uint32_t in_impersonation_level,
420 uint32_t in_desired_access,
421 uint32_t in_file_attributes,
422 uint32_t in_share_access,
423 uint32_t in_create_disposition,
424 uint32_t in_create_options,
426 struct smb2_create_blobs in_context_blobs)
428 struct tevent_req *req = NULL;
429 struct smbd_smb2_create_state *state = NULL;
431 struct smb_request *smb1req = NULL;
432 files_struct *result = NULL;
434 struct timespec write_time_ts;
435 struct smb2_create_blobs out_context_blobs;
436 int requested_oplock_level;
438 ZERO_STRUCT(out_context_blobs);
440 if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
441 requested_oplock_level = SMB2_OPLOCK_LEVEL_NONE;
443 requested_oplock_level = in_oplock_level;
447 if (smb2req->subreq == NULL) {
448 /* New create call. */
449 req = tevent_req_create(mem_ctx, &state,
450 struct smbd_smb2_create_state);
454 state->smb2req = smb2req;
456 smb1req = smbd_smb2_fake_smb_request(smb2req);
457 if (tevent_req_nomem(smb1req, req)) {
458 return tevent_req_post(req, ev);
460 state->smb1req = smb1req;
461 DEBUG(10,("smbd_smb2_create: name[%s]\n",
464 /* Re-entrant create call. */
465 req = smb2req->subreq;
466 state = tevent_req_data(req,
467 struct smbd_smb2_create_state);
468 smb1req = state->smb1req;
469 DEBUG(10,("smbd_smb2_create_send: reentrant for file %s\n",
473 if (IS_IPC(smb1req->conn)) {
474 const char *pipe_name = in_name;
476 if (!lp_nt_pipe_support()) {
477 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
478 return tevent_req_post(req, ev);
481 /* Strip \\ off the name. */
482 if (pipe_name[0] == '\\') {
486 status = open_np_file(smb1req, pipe_name, &result);
487 if (!NT_STATUS_IS_OK(status)) {
488 tevent_req_nterror(req, status);
489 return tevent_req_post(req, ev);
491 info = FILE_WAS_OPENED;
492 } else if (CAN_PRINT(smb1req->conn)) {
493 status = file_new(smb1req, smb1req->conn, &result);
494 if(!NT_STATUS_IS_OK(status)) {
495 tevent_req_nterror(req, status);
496 return tevent_req_post(req, ev);
499 status = print_spool_open(result, in_name,
501 if (!NT_STATUS_IS_OK(status)) {
502 file_free(smb1req, result);
503 tevent_req_nterror(req, status);
504 return tevent_req_post(req, ev);
506 info = FILE_WAS_CREATED;
509 struct smb_filename *smb_fname = NULL;
510 struct smb2_create_blob *exta = NULL;
511 struct ea_list *ea_list = NULL;
512 struct smb2_create_blob *mxac = NULL;
513 NTTIME max_access_time = 0;
514 struct smb2_create_blob *secd = NULL;
515 struct security_descriptor *sec_desc = NULL;
516 struct smb2_create_blob *dhnq = NULL;
517 struct smb2_create_blob *dhnc = NULL;
518 struct smb2_create_blob *alsi = NULL;
519 uint64_t allocation_size = 0;
520 struct smb2_create_blob *twrp = NULL;
521 struct smb2_create_blob *qfid = NULL;
523 exta = smb2_create_blob_find(&in_context_blobs,
524 SMB2_CREATE_TAG_EXTA);
525 mxac = smb2_create_blob_find(&in_context_blobs,
526 SMB2_CREATE_TAG_MXAC);
527 secd = smb2_create_blob_find(&in_context_blobs,
528 SMB2_CREATE_TAG_SECD);
529 dhnq = smb2_create_blob_find(&in_context_blobs,
530 SMB2_CREATE_TAG_DHNQ);
531 dhnc = smb2_create_blob_find(&in_context_blobs,
532 SMB2_CREATE_TAG_DHNC);
533 alsi = smb2_create_blob_find(&in_context_blobs,
534 SMB2_CREATE_TAG_ALSI);
535 twrp = smb2_create_blob_find(&in_context_blobs,
536 SMB2_CREATE_TAG_TWRP);
537 qfid = smb2_create_blob_find(&in_context_blobs,
538 SMB2_CREATE_TAG_QFID);
540 fname = talloc_strdup(state, in_name);
541 if (tevent_req_nomem(fname, req)) {
542 return tevent_req_post(req, ev);
547 tevent_req_nterror(req,NT_STATUS_OBJECT_NAME_NOT_FOUND);
548 return tevent_req_post(req, ev);
551 ea_list = read_nttrans_ea_list(mem_ctx,
552 (const char *)exta->data.data, exta->data.length);
554 DEBUG(10,("smbd_smb2_create_send: read_ea_name_list failed.\n"));
555 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
556 return tevent_req_post(req, ev);
562 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
563 return tevent_req_post(req, ev);
566 if (mxac->data.length == 0) {
568 } else if (mxac->data.length == 8) {
569 max_access_time = BVAL(mxac->data.data, 0);
571 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
572 return tevent_req_post(req, ev);
577 enum ndr_err_code ndr_err;
580 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
581 return tevent_req_post(req, ev);
584 sec_desc = talloc_zero(state, struct security_descriptor);
585 if (tevent_req_nomem(sec_desc, req)) {
586 return tevent_req_post(req, ev);
589 ndr_err = ndr_pull_struct_blob(&secd->data,
591 (ndr_pull_flags_fn_t)ndr_pull_security_descriptor);
592 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
593 DEBUG(2,("ndr_pull_security_descriptor failed: %s\n",
594 ndr_errstr(ndr_err)));
595 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
596 return tevent_req_post(req, ev);
602 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
603 return tevent_req_post(req, ev);
606 if (dhnq->data.length != 16) {
607 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
608 return tevent_req_post(req, ev);
611 * we don't support durable handles yet
612 * and have to ignore this
617 if (dhnc->data.length != 16) {
618 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
619 return tevent_req_post(req, ev);
621 /* we don't support durable handles yet */
622 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
623 return tevent_req_post(req, ev);
628 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
629 return tevent_req_post(req, ev);
632 if (alsi->data.length != 8) {
633 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
634 return tevent_req_post(req, ev);
636 allocation_size = BVAL(alsi->data.data, 0);
645 tevent_req_nterror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
646 return tevent_req_post(req, ev);
649 if (twrp->data.length != 8) {
650 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
651 return tevent_req_post(req, ev);
654 nttime = BVAL(twrp->data.data, 0);
655 t = nt_time_to_unix(nttime);
659 fname = talloc_asprintf(state,
660 "@GMT-%04u.%02u.%02u-%02u.%02u.%02u\\%s",
668 if (tevent_req_nomem(fname, req)) {
669 return tevent_req_post(req, ev);
674 if (qfid->data.length != 0) {
675 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
676 return tevent_req_post(req, ev);
680 /* these are ignored for SMB2 */
681 in_create_options &= ~(0x10);/* NTCREATEX_OPTIONS_SYNC_ALERT */
682 in_create_options &= ~(0x20);/* NTCREATEX_OPTIONS_ASYNC_ALERT */
685 * For a DFS path the function parse_dfs_path()
686 * will do the path processing.
689 if (!(smb1req->flags2 & FLAGS2_DFS_PATHNAMES)) {
690 /* convert '\\' into '/' */
691 status = check_path_syntax(fname);
692 if (!NT_STATUS_IS_OK(status)) {
693 tevent_req_nterror(req, status);
694 return tevent_req_post(req, ev);
698 status = filename_convert(req,
700 smb1req->flags2 & FLAGS2_DFS_PATHNAMES,
705 if (!NT_STATUS_IS_OK(status)) {
706 tevent_req_nterror(req, status);
707 return tevent_req_post(req, ev);
710 in_file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
712 status = SMB_VFS_CREATE_FILE(smb1req->conn,
714 0, /* root_dir_fid */
718 in_create_disposition,
721 map_smb2_oplock_levels_to_samba(requested_oplock_level),
723 0, /* private_flags */
728 if (!NT_STATUS_IS_OK(status)) {
729 if (open_was_deferred(smb1req->sconn, smb1req->mid)) {
732 tevent_req_nterror(req, status);
733 return tevent_req_post(req, ev);
737 NTTIME last_write_time;
739 unix_timespec_to_nt_time(&last_write_time,
740 result->fsp_name->st.st_ex_mtime);
741 if (last_write_time != max_access_time) {
743 uint32_t max_access_granted;
744 DATA_BLOB blob = data_blob_const(p, sizeof(p));
746 status = smbd_calculate_access_mask(smb1req->conn,
748 SEC_FLAG_MAXIMUM_ALLOWED,
749 &max_access_granted);
751 SIVAL(p, 0, NT_STATUS_V(status));
752 SIVAL(p, 4, max_access_granted);
754 status = smb2_create_blob_add(state,
756 SMB2_CREATE_TAG_MXAC,
758 if (!NT_STATUS_IS_OK(status)) {
759 tevent_req_nterror(req, status);
760 return tevent_req_post(req, ev);
767 uint64_t file_index = get_FileIndex(result->conn,
768 &result->fsp_name->st);
769 DATA_BLOB blob = data_blob_const(p, sizeof(p));
773 /* From conversations with Microsoft engineers at
774 the MS plugfest. The first 8 bytes are the "volume index"
775 == inode, the second 8 bytes are the "volume id",
776 == dev. This will be updated in the SMB2 doc. */
777 SBVAL(p, 0, file_index);
778 SIVAL(p, 8, result->fsp_name->st.st_ex_dev);/* FileIndexHigh */
780 status = smb2_create_blob_add(state, &out_context_blobs,
781 SMB2_CREATE_TAG_QFID,
783 if (!NT_STATUS_IS_OK(status)) {
784 tevent_req_nterror(req, status);
785 return tevent_req_post(req, ev);
790 smb2req->compat_chain_fsp = smb1req->chain_fsp;
792 if(lp_fake_oplocks(SNUM(smb2req->tcon->compat_conn))) {
793 state->out_oplock_level = in_oplock_level;
795 state->out_oplock_level = map_samba_oplock_levels_to_smb2(result->oplock_type);
798 if ((in_create_disposition == FILE_SUPERSEDE)
799 && (info == FILE_WAS_OVERWRITTEN)) {
800 state->out_create_action = FILE_WAS_SUPERSEDED;
802 state->out_create_action = info;
804 state->out_file_attributes = dos_mode(result->conn,
806 /* Deal with other possible opens having a modified
808 ZERO_STRUCT(write_time_ts);
809 get_file_infos(result->file_id, 0, NULL, &write_time_ts);
810 if (!null_timespec(write_time_ts)) {
811 update_stat_ex_mtime(&result->fsp_name->st, write_time_ts);
814 unix_timespec_to_nt_time(&state->out_creation_time,
815 get_create_timespec(smb1req->conn, result,
817 unix_timespec_to_nt_time(&state->out_last_access_time,
818 result->fsp_name->st.st_ex_atime);
819 unix_timespec_to_nt_time(&state->out_last_write_time,
820 result->fsp_name->st.st_ex_mtime);
821 unix_timespec_to_nt_time(&state->out_change_time,
822 get_change_timespec(smb1req->conn, result,
824 state->out_allocation_size =
825 SMB_VFS_GET_ALLOC_SIZE(smb1req->conn, result,
826 &(result->fsp_name->st));
827 state->out_end_of_file = result->fsp_name->st.st_ex_size;
828 if (state->out_file_attributes == 0) {
829 state->out_file_attributes = FILE_ATTRIBUTE_NORMAL;
831 state->out_file_id_persistent = result->fnum;
832 state->out_file_id_volatile = result->fnum;
833 state->out_context_blobs = out_context_blobs;
835 tevent_req_done(req);
836 return tevent_req_post(req, ev);
839 static NTSTATUS smbd_smb2_create_recv(struct tevent_req *req,
841 uint8_t *out_oplock_level,
842 uint32_t *out_create_action,
843 NTTIME *out_creation_time,
844 NTTIME *out_last_access_time,
845 NTTIME *out_last_write_time,
846 NTTIME *out_change_time,
847 uint64_t *out_allocation_size,
848 uint64_t *out_end_of_file,
849 uint32_t *out_file_attributes,
850 uint64_t *out_file_id_persistent,
851 uint64_t *out_file_id_volatile,
852 struct smb2_create_blobs *out_context_blobs)
855 struct smbd_smb2_create_state *state = tevent_req_data(req,
856 struct smbd_smb2_create_state);
858 if (tevent_req_is_nterror(req, &status)) {
859 tevent_req_received(req);
863 *out_oplock_level = state->out_oplock_level;
864 *out_create_action = state->out_create_action;
865 *out_creation_time = state->out_creation_time;
866 *out_last_access_time = state->out_last_access_time;
867 *out_last_write_time = state->out_last_write_time;
868 *out_change_time = state->out_change_time;
869 *out_allocation_size = state->out_allocation_size;
870 *out_end_of_file = state->out_end_of_file;
871 *out_file_attributes = state->out_file_attributes;
872 *out_file_id_persistent = state->out_file_id_persistent;
873 *out_file_id_volatile = state->out_file_id_volatile;
874 *out_context_blobs = state->out_context_blobs;
876 talloc_steal(mem_ctx, state->out_context_blobs.blobs);
878 tevent_req_received(req);
882 /*********************************************************
883 Code for dealing with deferred opens.
884 *********************************************************/
886 bool get_deferred_open_message_state_smb2(struct smbd_smb2_request *smb2req,
887 struct timeval *p_request_time,
890 struct smbd_smb2_create_state *state = NULL;
891 struct tevent_req *req = NULL;
896 if (smb2req->subreq == NULL) {
899 req = smb2req->subreq;
903 state = tevent_req_data(req, struct smbd_smb2_create_state);
907 if (p_request_time) {
908 *p_request_time = state->request_time;
911 *pp_state = (void *)state->private_data.data;
916 /*********************************************************
917 Re-process this call early - requested by message or
919 *********************************************************/
921 static struct smbd_smb2_request *find_open_smb2req(
922 struct smbd_server_connection *sconn, uint64_t mid)
924 struct smbd_smb2_request *smb2req;
926 for (smb2req = sconn->smb2.requests; smb2req; smb2req = smb2req->next) {
928 if (smb2req->subreq == NULL) {
929 /* This message has been processed. */
932 if (!tevent_req_is_in_progress(smb2req->subreq)) {
933 /* This message has been processed. */
936 message_id = get_mid_from_smb2req(smb2req);
937 if (message_id == mid) {
944 bool open_was_deferred_smb2(struct smbd_server_connection *sconn, uint64_t mid)
946 struct smbd_smb2_create_state *state = NULL;
947 struct smbd_smb2_request *smb2req;
949 smb2req = find_open_smb2req(sconn, mid);
952 DEBUG(10,("open_was_deferred_smb2: mid %llu smb2req == NULL\n",
953 (unsigned long long)mid));
956 if (!smb2req->subreq) {
959 if (!tevent_req_is_in_progress(smb2req->subreq)) {
962 state = tevent_req_data(smb2req->subreq,
963 struct smbd_smb2_create_state);
967 /* It's not in progress if there's no timeout event. */
972 DEBUG(10,("open_was_deferred_smb2: mid = %llu\n",
973 (unsigned long long)mid));
978 static void remove_deferred_open_message_smb2_internal(struct smbd_smb2_request *smb2req,
981 struct smbd_smb2_create_state *state = NULL;
983 if (!smb2req->subreq) {
986 if (!tevent_req_is_in_progress(smb2req->subreq)) {
989 state = tevent_req_data(smb2req->subreq,
990 struct smbd_smb2_create_state);
995 DEBUG(10,("remove_deferred_open_message_smb2_internal: "
997 (unsigned long long)mid ));
999 /* Ensure we don't have any outstanding timer event. */
1000 TALLOC_FREE(state->te);
1001 /* Ensure we don't have any outstanding immediate event. */
1002 TALLOC_FREE(state->im);
1005 void remove_deferred_open_message_smb2(
1006 struct smbd_server_connection *sconn, uint64_t mid)
1008 struct smbd_smb2_request *smb2req;
1010 smb2req = find_open_smb2req(sconn, mid);
1013 DEBUG(10,("remove_deferred_open_message_smb2: "
1014 "can't find mid %llu\n",
1015 (unsigned long long)mid ));
1018 remove_deferred_open_message_smb2_internal(smb2req, mid);
1021 static void smbd_smb2_create_request_dispatch_immediate(struct tevent_context *ctx,
1022 struct tevent_immediate *im,
1025 struct smbd_smb2_request *smb2req = talloc_get_type_abort(private_data,
1026 struct smbd_smb2_request);
1027 struct smbd_server_connection *sconn = smb2req->sconn;
1028 uint64_t mid = get_mid_from_smb2req(smb2req);
1031 DEBUG(10,("smbd_smb2_create_request_dispatch_immediate: "
1032 "re-dispatching mid %llu\n",
1033 (unsigned long long)mid ));
1035 status = smbd_smb2_request_dispatch(smb2req);
1036 if (!NT_STATUS_IS_OK(status)) {
1037 smbd_server_connection_terminate(sconn, nt_errstr(status));
1042 void schedule_deferred_open_message_smb2(
1043 struct smbd_server_connection *sconn, uint64_t mid)
1045 struct smbd_smb2_create_state *state = NULL;
1046 struct smbd_smb2_request *smb2req;
1048 smb2req = find_open_smb2req(sconn, mid);
1051 DEBUG(10,("schedule_deferred_open_message_smb2: "
1052 "can't find mid %llu\n",
1053 (unsigned long long)mid ));
1056 if (!smb2req->subreq) {
1059 if (!tevent_req_is_in_progress(smb2req->subreq)) {
1062 state = tevent_req_data(smb2req->subreq,
1063 struct smbd_smb2_create_state);
1068 /* Ensure we don't have any outstanding timer event. */
1069 TALLOC_FREE(state->te);
1070 /* Ensure we don't have any outstanding immediate event. */
1071 TALLOC_FREE(state->im);
1074 * This is subtle. We must null out the callback
1075 * before resheduling, else the first call to
1076 * tevent_req_nterror() causes the _receive()
1077 * function to be called, this causing tevent_req_post()
1080 tevent_req_set_callback(smb2req->subreq, NULL, NULL);
1082 state->im = tevent_create_immediate(smb2req);
1084 smbd_server_connection_terminate(smb2req->sconn,
1085 nt_errstr(NT_STATUS_NO_MEMORY));
1089 DEBUG(10,("schedule_deferred_open_message_smb2: "
1090 "re-processing mid %llu\n",
1091 (unsigned long long)mid ));
1093 tevent_schedule_immediate(state->im,
1094 smb2req->sconn->ev_ctx,
1095 smbd_smb2_create_request_dispatch_immediate,
1099 /*********************************************************
1100 Re-process this call.
1101 *********************************************************/
1103 static void smb2_deferred_open_timer(struct event_context *ev,
1104 struct timed_event *te,
1105 struct timeval _tval,
1109 struct smbd_smb2_create_state *state = NULL;
1110 struct smbd_smb2_request *smb2req = talloc_get_type(private_data,
1111 struct smbd_smb2_request);
1113 DEBUG(10,("smb2_deferred_open_timer: [idx=%d], %s\n",
1114 smb2req->current_idx,
1115 tevent_req_default_print(smb2req->subreq, talloc_tos()) ));
1117 state = tevent_req_data(smb2req->subreq,
1118 struct smbd_smb2_create_state);
1123 * Null this out, don't talloc_free. It will
1124 * be talloc_free'd by the tevent library when
1128 /* Ensure we don't have any outstanding immediate event. */
1129 TALLOC_FREE(state->im);
1132 * This is subtle. We must null out the callback
1133 * before resheduling, else the first call to
1134 * tevent_req_nterror() causes the _receive()
1135 * function to be called, this causing tevent_req_post()
1138 tevent_req_set_callback(smb2req->subreq, NULL, NULL);
1140 status = smbd_smb2_request_dispatch(smb2req);
1142 if (!NT_STATUS_IS_OK(status)) {
1143 smbd_server_connection_terminate(smb2req->sconn,
1148 static bool smbd_smb2_create_cancel(struct tevent_req *req)
1150 struct smbd_smb2_request *smb2req = NULL;
1151 struct smbd_smb2_create_state *state = tevent_req_data(req,
1152 struct smbd_smb2_create_state);
1159 if (!state->smb2req) {
1163 smb2req = state->smb2req;
1164 mid = get_mid_from_smb2req(smb2req);
1166 remove_deferred_open_entry(state->id, mid,
1167 messaging_server_id(smb2req->sconn->msg_ctx));
1168 remove_deferred_open_message_smb2_internal(smb2req, mid);
1169 smb2req->cancelled = true;
1171 tevent_req_done(req);
1175 bool push_deferred_open_message_smb2(struct smbd_smb2_request *smb2req,
1176 struct timeval request_time,
1177 struct timeval timeout,
1182 struct tevent_req *req = NULL;
1183 struct smbd_smb2_create_state *state = NULL;
1184 struct timeval end_time;
1189 req = smb2req->subreq;
1193 state = tevent_req_data(req, struct smbd_smb2_create_state);
1198 state->request_time = request_time;
1199 state->private_data = data_blob_talloc(state, private_data,
1201 if (!state->private_data.data) {
1205 /* Re-schedule us to retry on timer expiry. */
1206 end_time = timeval_sum(&request_time, &timeout);
1208 DEBUG(10,("push_deferred_open_message_smb2: "
1210 timeval_string(talloc_tos(),
1214 state->te = tevent_add_timer(smb2req->sconn->ev_ctx,
1217 smb2_deferred_open_timer,
1223 /* allow this request to be canceled */
1224 tevent_req_set_cancel_fn(req, smbd_smb2_create_cancel);