2 Unix SMB/CIFS implementation.
5 Copyright (C) Stefan Metzmacher 2009
6 Copyright (C) David Disseldorp 2013-2015
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/smbd.h"
24 #include "smbd/globals.h"
25 #include "../libcli/smb/smb_common.h"
26 #include "../libcli/security/security.h"
27 #include "../lib/util/tevent_ntstatus.h"
28 #include "rpc_server/srv_pipe_hnd.h"
29 #include "include/ntioctl.h"
30 #include "../librpc/ndr/libndr.h"
31 #include "librpc/gen_ndr/ndr_ioctl.h"
32 #include "smb2_ioctl_private.h"
35 * XXX this may reduce dup_extents->byte_count so that it's less than the
38 static NTSTATUS fsctl_dup_extents_check_lengths(struct files_struct *src_fsp,
39 struct files_struct *dst_fsp,
40 struct fsctl_dup_extents_to_file *dup_extents)
44 if ((dup_extents->source_off + dup_extents->byte_count
45 < dup_extents->source_off)
46 || (dup_extents->target_off + dup_extents->byte_count
47 < dup_extents->target_off)) {
48 return NT_STATUS_INVALID_PARAMETER; /* wrap */
51 status = vfs_stat_fsp(src_fsp);
52 if (!NT_STATUS_IS_OK(status)) {
57 * XXX vfs_btrfs and vfs_default have size checks in the copychunk
58 * handler, as this needs to be rechecked after the src has potentially
59 * been extended by a previous chunk in the compound copychunk req.
61 if (src_fsp->fsp_name->st.st_ex_size
62 < dup_extents->source_off + dup_extents->byte_count) {
63 DEBUG(2, ("dup_extents req exceeds src size\n"));
64 return NT_STATUS_NOT_SUPPORTED;
67 status = vfs_stat_fsp(dst_fsp);
68 if (!NT_STATUS_IS_OK(status)) {
72 if (dst_fsp->fsp_name->st.st_ex_size
73 < dup_extents->target_off + dup_extents->byte_count) {
75 if (dst_fsp->fsp_name->st.st_ex_size - dup_extents->target_off
76 > dst_fsp->fsp_name->st.st_ex_size) {
77 return NT_STATUS_INVALID_PARAMETER; /* wrap */
81 * this server behaviour is pretty hairy, but we need to match
84 DEBUG(2, ("dup_extents req exceeds target size, capping\n"));
85 dup_extents->byte_count = dst_fsp->fsp_name->st.st_ex_size
86 - dup_extents->target_off;
92 static NTSTATUS fsctl_dup_extents_check_overlap(struct files_struct *src_fsp,
93 struct files_struct *dst_fsp,
94 struct fsctl_dup_extents_to_file *dup_extents)
96 uint64_t src_off_last;
97 uint64_t tgt_off_last;
99 if (!file_id_equal(&src_fsp->file_id, &dst_fsp->file_id)) {
100 /* src and dest refer to different files */
104 if (dup_extents->byte_count == 0) {
105 /* no range to overlap */
110 * [MS-FSCC] 2.3.8 FSCTL_DUPLICATE_EXTENTS_TO_FILE Reply
111 * STATUS_NOT_SUPPORTED:
112 * The source and target destination ranges overlap on the same file.
115 src_off_last = dup_extents->source_off + dup_extents->byte_count - 1;
116 if ((dup_extents->target_off >= dup_extents->source_off)
117 && (dup_extents->target_off <= src_off_last)) {
122 return NT_STATUS_NOT_SUPPORTED;
126 tgt_off_last = dup_extents->target_off + dup_extents->byte_count - 1;
127 if ((tgt_off_last >= dup_extents->source_off)
128 && (tgt_off_last <= src_off_last)) {
133 return NT_STATUS_NOT_SUPPORTED;
139 static NTSTATUS fsctl_dup_extents_check_sparse(struct files_struct *src_fsp,
140 struct files_struct *dst_fsp)
143 * 2.3.8 FSCTL_DUPLICATE_EXTENTS_TO_FILE Reply...
144 * STATUS_NOT_SUPPORTED: Target file is sparse, while source
145 * is a non-sparse file.
147 * WS2016 has the following behaviour (MS are in the process of fixing
149 * STATUS_NOT_SUPPORTED is returned if the source is sparse, while the
150 * target is non-sparse. However, if target is sparse while the source
151 * is non-sparse, then FSCTL_DUPLICATE_EXTENTS_TO_FILE completes
154 if ((src_fsp->is_sparse) && (!dst_fsp->is_sparse)) {
155 return NT_STATUS_NOT_SUPPORTED;
161 struct fsctl_dup_extents_state {
162 struct tevent_context *ev;
163 struct connection_struct *conn;
164 struct fsctl_dup_extents_to_file dup_extents;
167 static void fsctl_dup_extents_vfs_done(struct tevent_req *subreq);
169 static struct tevent_req *fsctl_dup_extents_send(TALLOC_CTX *mem_ctx,
170 struct tevent_context *ev,
171 struct files_struct *dst_fsp,
173 struct smbd_smb2_request *smb2req)
175 struct tevent_req *req = NULL;
176 struct tevent_req *subreq = NULL;
177 struct fsctl_dup_extents_state *state = NULL;
178 uint64_t src_fid_persistent = 0;
179 uint64_t src_fid_volatile = 0;
180 struct files_struct *src_fsp = NULL;
184 req = tevent_req_create(mem_ctx, &state,
185 struct fsctl_dup_extents_state);
189 *state = (struct fsctl_dup_extents_state) {
190 .conn = dst_fsp->conn,
194 if (dst_fsp == NULL) {
195 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
196 return tevent_req_post(req, ev);
199 if ((dst_fsp->conn->fs_capabilities
200 & FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0) {
201 DBG_INFO("FS does not advertise block refcounting support\n");
202 tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
203 return tevent_req_post(req, ev);
206 ndr_ret = ndr_pull_struct_blob(in_input, state, &state->dup_extents,
207 (ndr_pull_flags_fn_t)ndr_pull_fsctl_dup_extents_to_file);
208 if (ndr_ret != NDR_ERR_SUCCESS) {
209 DBG_ERR("failed to unmarshall dup extents to file req\n");
210 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
211 return tevent_req_post(req, ev);
214 src_fid_persistent = BVAL(state->dup_extents.source_fid, 0);
215 src_fid_volatile = BVAL(state->dup_extents.source_fid, 8);
216 src_fsp = file_fsp_get(smb2req, src_fid_persistent, src_fid_volatile);
217 if ((src_fsp == NULL)
218 || (src_fsp->file_id.devid != dst_fsp->file_id.devid)) {
220 * [MS-FSCC] 2.3.8 FSCTL_DUPLICATE_EXTENTS_TO_FILE Reply
221 * STATUS_INVALID_PARAMETER:
222 * The FileHandle parameter is either invalid or does not
223 * represent a handle to an opened file on the same volume.
225 * Windows Server responds with NT_STATUS_INVALID_HANDLE instead
226 * of STATUS_INVALID_PARAMETER here, despite the above spec.
228 DBG_ERR("invalid src_fsp for dup_extents\n");
229 tevent_req_nterror(req, NT_STATUS_INVALID_HANDLE);
230 return tevent_req_post(req, ev);
233 status = fsctl_dup_extents_check_lengths(src_fsp, dst_fsp,
234 &state->dup_extents);
235 if (!NT_STATUS_IS_OK(status)) {
236 tevent_req_nterror(req, status);
237 return tevent_req_post(req, ev);
240 if (state->dup_extents.byte_count == 0) {
241 DBG_ERR("skipping zero length dup extents\n");
242 tevent_req_done(req);
243 return tevent_req_post(req, ev);
246 status = fsctl_dup_extents_check_overlap(src_fsp, dst_fsp,
247 &state->dup_extents);
248 if (!NT_STATUS_IS_OK(status)) {
249 tevent_req_nterror(req, status);
250 return tevent_req_post(req, ev);
253 status = fsctl_dup_extents_check_sparse(src_fsp, dst_fsp);
254 if (!NT_STATUS_IS_OK(status)) {
255 tevent_req_nterror(req, status);
256 return tevent_req_post(req, ev);
259 subreq = SMB_VFS_COPY_CHUNK_SEND(dst_fsp->conn, state, ev,
260 src_fsp, state->dup_extents.source_off,
261 dst_fsp, state->dup_extents.target_off,
262 state->dup_extents.byte_count,
263 VFS_COPY_CHUNK_FL_MUST_CLONE);
264 if (tevent_req_nomem(subreq, req)) {
265 return tevent_req_post(req, ev);
268 tevent_req_set_callback(subreq, fsctl_dup_extents_vfs_done, req);
273 static void fsctl_dup_extents_vfs_done(struct tevent_req *subreq)
275 struct tevent_req *req = tevent_req_callback_data(
276 subreq, struct tevent_req);
277 struct fsctl_dup_extents_state *state = tevent_req_data(
278 req, struct fsctl_dup_extents_state);
282 status = SMB_VFS_COPY_CHUNK_RECV(state->conn, subreq, &nb_chunk);
284 if (tevent_req_nterror(req, status)) {
288 if (nb_chunk != state->dup_extents.byte_count) {
289 tevent_req_nterror(req, NT_STATUS_IO_DEVICE_ERROR);
293 tevent_req_done(req);
296 static NTSTATUS fsctl_dup_extents_recv(struct tevent_req *req)
298 return tevent_req_simple_recv_ntstatus(req);
301 static NTSTATUS fsctl_get_cmprn(TALLOC_CTX *mem_ctx,
302 struct tevent_context *ev,
303 struct files_struct *fsp,
304 size_t in_max_output,
305 DATA_BLOB *out_output)
307 struct compression_state cmpr_state;
308 enum ndr_err_code ndr_ret;
313 return NT_STATUS_FILE_CLOSED;
316 /* Windows doesn't check for SEC_FILE_READ_ATTRIBUTE permission here */
318 ZERO_STRUCT(cmpr_state);
319 if (fsp->conn->fs_capabilities & FILE_FILE_COMPRESSION) {
320 status = SMB_VFS_GET_COMPRESSION(fsp->conn,
325 if (!NT_STATUS_IS_OK(status)) {
330 * bso#12144: The underlying filesystem doesn't support
331 * compression, so we should respond with "not-compressed"
332 * (like WS2016 ReFS) instead of STATUS_NOT_SUPPORTED or
333 * NT_STATUS_INVALID_DEVICE_REQUEST.
335 cmpr_state.format = COMPRESSION_FORMAT_NONE;
338 ndr_ret = ndr_push_struct_blob(&output, mem_ctx,
340 (ndr_push_flags_fn_t)ndr_push_compression_state);
341 if (ndr_ret != NDR_ERR_SUCCESS) {
342 return NT_STATUS_INTERNAL_ERROR;
345 if (in_max_output < output.length) {
346 DEBUG(1, ("max output %u too small for compression state %ld\n",
347 (unsigned int)in_max_output, (long int)output.length));
348 return NT_STATUS_INVALID_USER_BUFFER;
350 *out_output = output;
355 static NTSTATUS fsctl_set_cmprn(TALLOC_CTX *mem_ctx,
356 struct tevent_context *ev,
357 struct files_struct *fsp,
360 struct compression_state cmpr_state;
361 enum ndr_err_code ndr_ret;
365 return NT_STATUS_FILE_CLOSED;
368 /* WRITE_DATA permission is required, WRITE_ATTRIBUTES is not */
369 status = check_access_fsp(fsp, FILE_WRITE_DATA);
370 if (!NT_STATUS_IS_OK(status)) {
374 ndr_ret = ndr_pull_struct_blob(in_input, mem_ctx, &cmpr_state,
375 (ndr_pull_flags_fn_t)ndr_pull_compression_state);
376 if (ndr_ret != NDR_ERR_SUCCESS) {
377 DEBUG(0, ("failed to unmarshall set compression req\n"));
378 return NT_STATUS_INVALID_PARAMETER;
381 status = NT_STATUS_NOT_SUPPORTED;
382 if (fsp->conn->fs_capabilities & FILE_FILE_COMPRESSION) {
383 status = SMB_VFS_SET_COMPRESSION(fsp->conn,
387 } else if (cmpr_state.format == COMPRESSION_FORMAT_NONE) {
389 * bso#12144: The underlying filesystem doesn't support
390 * compression. We should still accept set(FORMAT_NONE) requests
391 * (like WS2016 ReFS).
393 status = NT_STATUS_OK;
399 static NTSTATUS fsctl_zero_data(TALLOC_CTX *mem_ctx,
400 struct tevent_context *ev,
401 struct files_struct *fsp,
404 struct file_zero_data_info zdata_info;
405 enum ndr_err_code ndr_ret;
406 struct lock_struct lck;
413 return NT_STATUS_FILE_CLOSED;
416 /* WRITE_DATA permission is required */
417 status = check_access_fsp(fsp, FILE_WRITE_DATA);
418 if (!NT_STATUS_IS_OK(status)) {
422 /* allow regardless of whether FS supports sparse or not */
424 ndr_ret = ndr_pull_struct_blob(in_input, mem_ctx, &zdata_info,
425 (ndr_pull_flags_fn_t)ndr_pull_file_zero_data_info);
426 if (ndr_ret != NDR_ERR_SUCCESS) {
427 DEBUG(0, ("failed to unmarshall zero data request\n"));
428 return NT_STATUS_INVALID_PARAMETER;
431 if (zdata_info.beyond_final_zero < zdata_info.file_off) {
432 DEBUG(0, ("invalid zero data params: off %lu, bfz, %lu\n",
433 (unsigned long)zdata_info.file_off,
434 (unsigned long)zdata_info.beyond_final_zero));
435 return NT_STATUS_INVALID_PARAMETER;
438 /* convert strange "beyond final zero" param into length */
439 len = zdata_info.beyond_final_zero - zdata_info.file_off;
442 DEBUG(2, ("zero data called with zero length range\n"));
446 init_strict_lock_struct(fsp,
447 fsp->op->global->open_persistent_id,
453 if (!SMB_VFS_STRICT_LOCK(fsp->conn, fsp, &lck)) {
454 DEBUG(2, ("failed to lock range for zero-data\n"));
455 return NT_STATUS_FILE_LOCK_CONFLICT;
459 * MS-FSCC <58> Section 2.3.67
460 * This FSCTL sets the range of bytes to zero (0) without extending the
463 * The VFS_FALLOCATE_FL_KEEP_SIZE flag is used to satisfy this
467 mode = VFS_FALLOCATE_FL_PUNCH_HOLE | VFS_FALLOCATE_FL_KEEP_SIZE;
468 ret = SMB_VFS_FALLOCATE(fsp, mode, zdata_info.file_off, len);
470 status = map_nt_error_from_unix_common(errno);
471 DEBUG(2, ("zero-data fallocate(0x%x) failed: %s\n", mode,
473 SMB_VFS_STRICT_UNLOCK(fsp->conn, fsp, &lck);
477 if (!fsp->is_sparse && lp_strict_allocate(SNUM(fsp->conn))) {
479 * File marked non-sparse and "strict allocate" is enabled -
480 * allocate the range that we just punched out.
481 * In future FALLOC_FL_ZERO_RANGE could be used exclusively for
482 * this, but it's currently only supported on XFS and ext4.
484 * The newly allocated range still won't be found by SEEK_DATA
485 * for QAR, but stat.st_blocks will reflect it.
487 ret = SMB_VFS_FALLOCATE(fsp, VFS_FALLOCATE_FL_KEEP_SIZE,
488 zdata_info.file_off, len);
490 status = map_nt_error_from_unix_common(errno);
491 DEBUG(0, ("fallocate failed: %s\n", strerror(errno)));
492 SMB_VFS_STRICT_UNLOCK(fsp->conn, fsp, &lck);
497 SMB_VFS_STRICT_UNLOCK(fsp->conn, fsp, &lck);
501 static NTSTATUS fsctl_qar_buf_push(TALLOC_CTX *mem_ctx,
502 struct file_alloced_range_buf *qar_buf,
503 DATA_BLOB *qar_array_blob)
506 enum ndr_err_code ndr_ret;
509 ndr_ret = ndr_push_struct_blob(&new_slot, mem_ctx, qar_buf,
510 (ndr_push_flags_fn_t)ndr_push_file_alloced_range_buf);
511 if (ndr_ret != NDR_ERR_SUCCESS) {
512 DEBUG(0, ("failed to marshall QAR buf\n"));
513 return NT_STATUS_INVALID_PARAMETER;
516 /* TODO should be able to avoid copy by pushing into prealloced buf */
517 ok = data_blob_append(mem_ctx, qar_array_blob, new_slot.data,
519 data_blob_free(&new_slot);
521 return NT_STATUS_NO_MEMORY;
527 static NTSTATUS fsctl_qar_seek_fill(TALLOC_CTX *mem_ctx,
528 struct files_struct *fsp,
531 DATA_BLOB *qar_array_blob)
533 NTSTATUS status = NT_STATUS_NOT_SUPPORTED;
535 #ifdef HAVE_LSEEK_HOLE_DATA
536 while (curr_off <= max_off) {
539 struct file_alloced_range_buf qar_buf;
542 data_off = SMB_VFS_LSEEK(fsp, curr_off, SEEK_DATA);
543 if ((data_off == -1) && (errno == ENXIO)) {
544 /* no data from curr_off to EOF */
546 } else if (data_off == -1) {
547 status = map_nt_error_from_unix_common(errno);
548 DEBUG(1, ("lseek data failed: %s\n", strerror(errno)));
552 if (data_off > max_off) {
553 /* found something, but passed range of interest */
557 hole_off = SMB_VFS_LSEEK(fsp, data_off, SEEK_HOLE);
558 if (hole_off == -1) {
559 status = map_nt_error_from_unix_common(errno);
560 DEBUG(1, ("lseek hole failed: %s\n", strerror(errno)));
564 if (hole_off <= data_off) {
565 DEBUG(1, ("lseek inconsistent: hole %lu at or before "
566 "data %lu\n", (unsigned long)hole_off,
567 (unsigned long)data_off));
568 return NT_STATUS_INTERNAL_ERROR;
571 qar_buf.file_off = data_off;
572 /* + 1 to convert maximum offset to length */
573 qar_buf.len = MIN(hole_off, max_off + 1) - data_off;
575 status = fsctl_qar_buf_push(mem_ctx, &qar_buf, qar_array_blob);
576 if (!NT_STATUS_IS_OK(status)) {
577 return NT_STATUS_NO_MEMORY;
582 status = NT_STATUS_OK;
588 static NTSTATUS fsctl_qar(TALLOC_CTX *mem_ctx,
589 struct tevent_context *ev,
590 struct files_struct *fsp,
592 size_t in_max_output,
593 DATA_BLOB *out_output)
595 struct fsctl_query_alloced_ranges_req qar_req;
596 struct fsctl_query_alloced_ranges_rsp qar_rsp;
597 DATA_BLOB qar_array_blob = data_blob_null;
599 enum ndr_err_code ndr_ret;
602 SMB_STRUCT_STAT sbuf;
605 return NT_STATUS_FILE_CLOSED;
608 /* READ_DATA permission is required */
609 status = check_access_fsp(fsp, FILE_READ_DATA);
610 if (!NT_STATUS_IS_OK(status)) {
614 ndr_ret = ndr_pull_struct_blob(in_input, mem_ctx, &qar_req,
615 (ndr_pull_flags_fn_t)ndr_pull_fsctl_query_alloced_ranges_req);
616 if (ndr_ret != NDR_ERR_SUCCESS) {
617 DEBUG(0, ("failed to unmarshall QAR req\n"));
618 return NT_STATUS_INVALID_PARAMETER;
622 * XXX Windows Server 2008 & 2012 servers don't return lock-conflict
623 * for QAR requests over an exclusively locked range!
626 ret = SMB_VFS_FSTAT(fsp, &sbuf);
628 status = map_nt_error_from_unix_common(errno);
629 DEBUG(2, ("fstat failed: %s\n", strerror(errno)));
633 if ((qar_req.buf.len == 0)
634 || (sbuf.st_ex_size == 0)
635 || (qar_req.buf.file_off >= sbuf.st_ex_size)) {
636 /* zero length range or after EOF, no ranges to return */
640 /* check for integer overflow */
641 if (qar_req.buf.file_off + qar_req.buf.len < qar_req.buf.file_off) {
642 return NT_STATUS_INVALID_PARAMETER;
646 * Maximum offset is either the last valid offset _before_ EOF, or the
647 * last byte offset within the requested range. -1 converts length to
648 * offset, which is easier to work with for SEEK_DATA/SEEK_HOLE, E.g.:
650 * /off=0 /off=512K /st_ex_size=1M
651 * |-------------------------------------|
653 * |-------------------------------------|
655 * |=====================================|
656 * | QAR off=512K, len=1M |
657 * |=================^===================|
660 * |==================|
661 * |QAR off=0 len=512K|
662 * |==================|
666 max_off = MIN(sbuf.st_ex_size,
667 qar_req.buf.file_off + qar_req.buf.len) - 1;
669 if (!fsp->is_sparse) {
670 struct file_alloced_range_buf qar_buf;
672 /* file is non-sparse, claim file_off->max_off is allocated */
673 qar_buf.file_off = qar_req.buf.file_off;
674 /* + 1 to convert maximum offset back to length */
675 qar_buf.len = max_off - qar_req.buf.file_off + 1;
677 status = fsctl_qar_buf_push(mem_ctx, &qar_buf, &qar_array_blob);
679 status = fsctl_qar_seek_fill(mem_ctx, fsp, qar_req.buf.file_off,
680 max_off, &qar_array_blob);
682 if (!NT_STATUS_IS_OK(status)) {
686 /* marshall response buffer. */
687 qar_rsp.far_buf_array = qar_array_blob;
689 ndr_ret = ndr_push_struct_blob(out_output, mem_ctx, &qar_rsp,
690 (ndr_push_flags_fn_t)ndr_push_fsctl_query_alloced_ranges_rsp);
691 if (ndr_ret != NDR_ERR_SUCCESS) {
692 DEBUG(0, ("failed to marshall QAR rsp\n"));
693 return NT_STATUS_INVALID_PARAMETER;
696 if (out_output->length > in_max_output) {
697 DEBUG(2, ("QAR output len %lu exceeds max %lu\n",
698 (unsigned long)out_output->length,
699 (unsigned long)in_max_output));
700 data_blob_free(out_output);
701 return NT_STATUS_BUFFER_TOO_SMALL;
707 static void smb2_ioctl_filesys_dup_extents_done(struct tevent_req *subreq);
709 struct tevent_req *smb2_ioctl_filesys(uint32_t ctl_code,
710 struct tevent_context *ev,
711 struct tevent_req *req,
712 struct smbd_smb2_ioctl_state *state)
717 case FSCTL_GET_COMPRESSION:
718 status = fsctl_get_cmprn(state, ev, state->fsp,
719 state->in_max_output,
721 if (!tevent_req_nterror(req, status)) {
722 tevent_req_done(req);
724 return tevent_req_post(req, ev);
726 case FSCTL_SET_COMPRESSION:
727 status = fsctl_set_cmprn(state, ev, state->fsp,
729 if (!tevent_req_nterror(req, status)) {
730 tevent_req_done(req);
732 return tevent_req_post(req, ev);
734 case FSCTL_SET_ZERO_DATA:
735 status = fsctl_zero_data(state, ev, state->fsp,
737 if (!tevent_req_nterror(req, status)) {
738 tevent_req_done(req);
740 return tevent_req_post(req, ev);
742 case FSCTL_QUERY_ALLOCATED_RANGES:
743 status = fsctl_qar(state, ev, state->fsp,
745 state->in_max_output,
747 if (!tevent_req_nterror(req, status)) {
748 tevent_req_done(req);
750 return tevent_req_post(req, ev);
752 case FSCTL_DUP_EXTENTS_TO_FILE: {
753 struct tevent_req *subreq = NULL;
755 subreq = fsctl_dup_extents_send(state, ev,
759 if (tevent_req_nomem(subreq, req)) {
760 return tevent_req_post(req, ev);
762 tevent_req_set_callback(subreq,
763 smb2_ioctl_filesys_dup_extents_done,
769 uint8_t *out_data = NULL;
770 uint32_t out_data_len = 0;
772 if (state->fsp == NULL) {
773 status = NT_STATUS_NOT_SUPPORTED;
775 status = SMB_VFS_FSCTL(state->fsp,
778 state->smbreq->flags2,
779 state->in_input.data,
780 state->in_input.length,
782 state->in_max_output,
784 state->out_output = data_blob_const(out_data, out_data_len);
785 if (NT_STATUS_IS_OK(status)) {
786 tevent_req_done(req);
787 return tevent_req_post(req, ev);
791 if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
792 if (IS_IPC(state->smbreq->conn)) {
793 status = NT_STATUS_FS_DRIVER_REQUIRED;
795 status = NT_STATUS_INVALID_DEVICE_REQUEST;
799 tevent_req_nterror(req, status);
800 return tevent_req_post(req, ev);
805 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
806 return tevent_req_post(req, ev);
809 static void smb2_ioctl_filesys_dup_extents_done(struct tevent_req *subreq)
811 struct tevent_req *req = tevent_req_callback_data(subreq,
815 status = fsctl_dup_extents_recv(subreq);
817 if (!tevent_req_nterror(req, status)) {
818 tevent_req_done(req);