2 Unix SMB/CIFS implementation.
3 Wrap disk only vfs functions to sidestep dodgy compilers.
4 Copyright (C) Tim Potter 1998
5 Copyright (C) Jeremy Allison 2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "system/time.h"
23 #include "system/filesys.h"
24 #include "smbd/smbd.h"
25 #include "smbd/globals.h"
27 #include "smbprofile.h"
28 #include "../libcli/security/security.h"
29 #include "passdb/lookup_sid.h"
30 #include "source3/include/msdfs.h"
31 #include "librpc/gen_ndr/ndr_dfsblobs.h"
32 #include "lib/util/tevent_unix.h"
33 #include "lib/util/tevent_ntstatus.h"
34 #include "lib/util/sys_rw.h"
35 #include "lib/pthreadpool/pthreadpool_tevent.h"
36 #include "librpc/gen_ndr/ndr_ioctl.h"
37 #include "offload_token.h"
40 #define DBGC_CLASS DBGC_VFS
42 /* Check for NULL pointer parameters in vfswrap_* functions */
44 /* We don't want to have NULL function pointers lying around. Someone
45 is sure to try and execute them. These stubs are used to prevent
48 static int vfswrap_connect(vfs_handle_struct *handle, const char *service, const char *user)
50 return 0; /* Return >= 0 for success */
53 static void vfswrap_disconnect(vfs_handle_struct *handle)
59 static uint64_t vfswrap_disk_free(vfs_handle_struct *handle,
60 const struct smb_filename *smb_fname,
65 if (sys_fsusage(smb_fname->base_name, dfree, dsize) != 0) {
73 static int vfswrap_get_quota(struct vfs_handle_struct *handle,
74 const struct smb_filename *smb_fname,
75 enum SMB_QUOTA_TYPE qtype,
79 #ifdef HAVE_SYS_QUOTAS
82 START_PROFILE(syscall_get_quota);
83 result = sys_get_quota(smb_fname->base_name, qtype, id, qt);
84 END_PROFILE(syscall_get_quota);
92 static int vfswrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
94 #ifdef HAVE_SYS_QUOTAS
97 START_PROFILE(syscall_set_quota);
98 result = sys_set_quota(handle->conn->connectpath, qtype, id, qt);
99 END_PROFILE(syscall_set_quota);
107 static int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle,
108 struct files_struct *fsp,
109 struct shadow_copy_data *shadow_copy_data,
113 return -1; /* Not implemented. */
116 static int vfswrap_statvfs(struct vfs_handle_struct *handle,
117 const struct smb_filename *smb_fname,
118 vfs_statvfs_struct *statbuf)
120 return sys_statvfs(smb_fname->base_name, statbuf);
123 static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle,
124 enum timestamp_set_resolution *p_ts_res)
126 connection_struct *conn = handle->conn;
127 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
128 struct smb_filename *smb_fname_cpath = NULL;
129 struct vfs_statvfs_struct statbuf;
132 smb_fname_cpath = synthetic_smb_fname(talloc_tos(), conn->connectpath,
134 if (smb_fname_cpath == NULL) {
138 ZERO_STRUCT(statbuf);
139 ret = SMB_VFS_STATVFS(conn, smb_fname_cpath, &statbuf);
141 caps = statbuf.FsCapabilities;
144 *p_ts_res = TIMESTAMP_SET_SECONDS;
146 /* Work out what timestamp resolution we can
147 * use when setting a timestamp. */
149 ret = SMB_VFS_STAT(conn, smb_fname_cpath);
151 TALLOC_FREE(smb_fname_cpath);
155 if (smb_fname_cpath->st.st_ex_mtime.tv_nsec ||
156 smb_fname_cpath->st.st_ex_atime.tv_nsec ||
157 smb_fname_cpath->st.st_ex_ctime.tv_nsec) {
158 /* If any of the normal UNIX directory timestamps
159 * have a non-zero tv_nsec component assume
160 * we might be able to set sub-second timestamps.
161 * See what filetime set primitives we have.
163 #if defined(HAVE_UTIMENSAT)
164 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
165 #elif defined(HAVE_UTIMES)
166 /* utimes allows msec timestamps to be set. */
167 *p_ts_res = TIMESTAMP_SET_MSEC;
168 #elif defined(HAVE_UTIME)
169 /* utime only allows sec timestamps to be set. */
170 *p_ts_res = TIMESTAMP_SET_SECONDS;
173 DEBUG(10,("vfswrap_fs_capabilities: timestamp "
175 "available on share %s, directory %s\n",
176 *p_ts_res == TIMESTAMP_SET_MSEC ? "msec" : "sec",
177 lp_servicename(talloc_tos(), conn->params->service),
178 conn->connectpath ));
180 TALLOC_FREE(smb_fname_cpath);
184 static NTSTATUS vfswrap_get_dfs_referrals(struct vfs_handle_struct *handle,
185 struct dfs_GetDFSReferral *r)
187 struct junction_map *junction = NULL;
189 bool self_referral = false;
190 char *pathnamep = NULL;
191 char *local_dfs_path = NULL;
194 uint16_t max_referral_level = r->in.req.max_referral_level;
197 NDR_PRINT_IN_DEBUG(dfs_GetDFSReferral, r);
200 /* get the junction entry */
201 if (r->in.req.servername == NULL) {
202 return NT_STATUS_NOT_FOUND;
206 * Trim pathname sent by client so it begins with only one backslash.
207 * Two backslashes confuse some dfs clients
210 local_dfs_path = talloc_strdup(r, r->in.req.servername);
211 if (local_dfs_path == NULL) {
212 return NT_STATUS_NO_MEMORY;
214 pathnamep = local_dfs_path;
215 while (IS_DIRECTORY_SEP(pathnamep[0]) &&
216 IS_DIRECTORY_SEP(pathnamep[1])) {
220 junction = talloc_zero(r, struct junction_map);
221 if (junction == NULL) {
222 return NT_STATUS_NO_MEMORY;
225 /* The following call can change cwd. */
226 status = get_referred_path(r, pathnamep,
227 handle->conn->sconn->remote_address,
228 handle->conn->sconn->local_address,
229 !handle->conn->sconn->using_smb2,
230 junction, &consumedcnt, &self_referral);
231 if (!NT_STATUS_IS_OK(status)) {
232 struct smb_filename connectpath_fname = {
233 .base_name = handle->conn->connectpath
235 vfs_ChDir(handle->conn, &connectpath_fname);
239 struct smb_filename connectpath_fname = {
240 .base_name = handle->conn->connectpath
242 vfs_ChDir(handle->conn, &connectpath_fname);
245 if (!self_referral) {
246 pathnamep[consumedcnt] = '\0';
249 dbgtext("Path %s to alternate path(s):",
251 for (i=0; i < junction->referral_count; i++) {
253 junction->referral_list[i].alternate_path);
259 if (r->in.req.max_referral_level <= 2) {
260 max_referral_level = 2;
262 if (r->in.req.max_referral_level >= 3) {
263 max_referral_level = 3;
266 r->out.resp = talloc_zero(r, struct dfs_referral_resp);
267 if (r->out.resp == NULL) {
268 return NT_STATUS_NO_MEMORY;
271 r->out.resp->path_consumed = strlen_m(pathnamep) * 2;
272 r->out.resp->nb_referrals = junction->referral_count;
274 r->out.resp->header_flags = DFS_HEADER_FLAG_STORAGE_SVR;
276 r->out.resp->header_flags |= DFS_HEADER_FLAG_REFERAL_SVR;
279 r->out.resp->referral_entries = talloc_zero_array(r,
280 struct dfs_referral_type,
281 r->out.resp->nb_referrals);
282 if (r->out.resp->referral_entries == NULL) {
283 return NT_STATUS_NO_MEMORY;
286 switch (max_referral_level) {
288 for(i=0; i < junction->referral_count; i++) {
289 struct referral *ref = &junction->referral_list[i];
290 TALLOC_CTX *mem_ctx = r->out.resp->referral_entries;
291 struct dfs_referral_type *t =
292 &r->out.resp->referral_entries[i];
293 struct dfs_referral_v2 *v2 = &t->referral.v2;
296 v2->size = VERSION2_REFERRAL_SIZE;
298 v2->server_type = DFS_SERVER_ROOT;
300 v2->server_type = DFS_SERVER_NON_ROOT;
303 v2->proximity = ref->proximity;
305 v2->DFS_path = talloc_strdup(mem_ctx, pathnamep);
306 if (v2->DFS_path == NULL) {
307 return NT_STATUS_NO_MEMORY;
309 v2->DFS_alt_path = talloc_strdup(mem_ctx, pathnamep);
310 if (v2->DFS_alt_path == NULL) {
311 return NT_STATUS_NO_MEMORY;
313 v2->netw_address = talloc_strdup(mem_ctx,
314 ref->alternate_path);
315 if (v2->netw_address == NULL) {
316 return NT_STATUS_NO_MEMORY;
322 for(i=0; i < junction->referral_count; i++) {
323 struct referral *ref = &junction->referral_list[i];
324 TALLOC_CTX *mem_ctx = r->out.resp->referral_entries;
325 struct dfs_referral_type *t =
326 &r->out.resp->referral_entries[i];
327 struct dfs_referral_v3 *v3 = &t->referral.v3;
328 struct dfs_normal_referral *r1 = &v3->referrals.r1;
331 v3->size = VERSION3_REFERRAL_SIZE;
333 v3->server_type = DFS_SERVER_ROOT;
335 v3->server_type = DFS_SERVER_NON_ROOT;
339 r1->DFS_path = talloc_strdup(mem_ctx, pathnamep);
340 if (r1->DFS_path == NULL) {
341 return NT_STATUS_NO_MEMORY;
343 r1->DFS_alt_path = talloc_strdup(mem_ctx, pathnamep);
344 if (r1->DFS_alt_path == NULL) {
345 return NT_STATUS_NO_MEMORY;
347 r1->netw_address = talloc_strdup(mem_ctx,
348 ref->alternate_path);
349 if (r1->netw_address == NULL) {
350 return NT_STATUS_NO_MEMORY;
355 DEBUG(0,("Invalid dfs referral version: %d\n",
356 max_referral_level));
357 return NT_STATUS_INVALID_LEVEL;
361 NDR_PRINT_OUT_DEBUG(dfs_GetDFSReferral, r);
367 static NTSTATUS vfswrap_snap_check_path(struct vfs_handle_struct *handle,
369 const char *service_path,
372 return NT_STATUS_NOT_SUPPORTED;
375 static NTSTATUS vfswrap_snap_create(struct vfs_handle_struct *handle,
377 const char *base_volume,
383 return NT_STATUS_NOT_SUPPORTED;
386 static NTSTATUS vfswrap_snap_delete(struct vfs_handle_struct *handle,
391 return NT_STATUS_NOT_SUPPORTED;
394 /* Directory operations */
396 static DIR *vfswrap_opendir(vfs_handle_struct *handle,
397 const struct smb_filename *smb_fname,
403 START_PROFILE(syscall_opendir);
404 result = opendir(smb_fname->base_name);
405 END_PROFILE(syscall_opendir);
409 static DIR *vfswrap_fdopendir(vfs_handle_struct *handle,
416 START_PROFILE(syscall_fdopendir);
417 result = sys_fdopendir(fsp->fh->fd);
418 END_PROFILE(syscall_fdopendir);
423 static struct dirent *vfswrap_readdir(vfs_handle_struct *handle,
425 SMB_STRUCT_STAT *sbuf)
427 struct dirent *result;
429 START_PROFILE(syscall_readdir);
430 result = readdir(dirp);
431 END_PROFILE(syscall_readdir);
433 /* Default Posix readdir() does not give us stat info.
434 * Set to invalid to indicate we didn't return this info. */
435 SET_STAT_INVALID(*sbuf);
436 #if defined(HAVE_DIRFD) && defined(HAVE_FSTATAT)
437 if (result != NULL) {
438 /* See if we can efficiently return this. */
440 int flags = AT_SYMLINK_NOFOLLOW;
441 int ret = fstatat(dirfd(dirp),
446 * As this is an optimization,
447 * ignore it if we stat'ed a
448 * symlink. Make the caller
449 * do it again as we don't
450 * know if they wanted the link
451 * info, or its target info.
453 if ((ret == 0) && (!S_ISLNK(st.st_mode))) {
454 init_stat_ex_from_stat(sbuf,
456 lp_fake_directory_create_times(
457 SNUM(handle->conn)));
465 static NTSTATUS vfswrap_readdir_attr(struct vfs_handle_struct *handle,
466 const struct smb_filename *fname,
468 struct readdir_attr_data **attr_data)
470 return NT_STATUS_NOT_SUPPORTED;
473 static void vfswrap_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
475 START_PROFILE(syscall_seekdir);
476 seekdir(dirp, offset);
477 END_PROFILE(syscall_seekdir);
480 static long vfswrap_telldir(vfs_handle_struct *handle, DIR *dirp)
483 START_PROFILE(syscall_telldir);
484 result = telldir(dirp);
485 END_PROFILE(syscall_telldir);
489 static void vfswrap_rewinddir(vfs_handle_struct *handle, DIR *dirp)
491 START_PROFILE(syscall_rewinddir);
493 END_PROFILE(syscall_rewinddir);
496 static int vfswrap_mkdir(vfs_handle_struct *handle,
497 const struct smb_filename *smb_fname,
501 const char *path = smb_fname->base_name;
504 START_PROFILE(syscall_mkdir);
506 if (lp_inherit_acls(SNUM(handle->conn))
507 && parent_dirname(talloc_tos(), path, &parent, NULL)
508 && directory_has_default_acl(handle->conn, parent)) {
509 mode = (0777 & lp_directory_mask(SNUM(handle->conn)));
514 result = mkdir(path, mode);
516 END_PROFILE(syscall_mkdir);
520 static int vfswrap_rmdir(vfs_handle_struct *handle,
521 const struct smb_filename *smb_fname)
525 START_PROFILE(syscall_rmdir);
526 result = rmdir(smb_fname->base_name);
527 END_PROFILE(syscall_rmdir);
531 static int vfswrap_closedir(vfs_handle_struct *handle, DIR *dirp)
535 START_PROFILE(syscall_closedir);
536 result = closedir(dirp);
537 END_PROFILE(syscall_closedir);
541 /* File operations */
543 static int vfswrap_open(vfs_handle_struct *handle,
544 struct smb_filename *smb_fname,
545 files_struct *fsp, int flags, mode_t mode)
549 START_PROFILE(syscall_open);
551 if (smb_fname->stream_name) {
556 result = open(smb_fname->base_name, flags, mode);
558 END_PROFILE(syscall_open);
562 static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
563 struct smb_request *req,
564 uint16_t root_dir_fid,
565 struct smb_filename *smb_fname,
566 uint32_t access_mask,
567 uint32_t share_access,
568 uint32_t create_disposition,
569 uint32_t create_options,
570 uint32_t file_attributes,
571 uint32_t oplock_request,
572 struct smb2_lease *lease,
573 uint64_t allocation_size,
574 uint32_t private_flags,
575 struct security_descriptor *sd,
576 struct ea_list *ea_list,
577 files_struct **result,
579 const struct smb2_create_blobs *in_context_blobs,
580 struct smb2_create_blobs *out_context_blobs)
582 return create_file_default(handle->conn, req, root_dir_fid, smb_fname,
583 access_mask, share_access,
584 create_disposition, create_options,
585 file_attributes, oplock_request, lease,
586 allocation_size, private_flags,
588 pinfo, in_context_blobs, out_context_blobs);
591 static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp)
595 START_PROFILE(syscall_close);
596 result = fd_close_posix(fsp);
597 END_PROFILE(syscall_close);
601 static ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, void *data,
602 size_t n, off_t offset)
606 #if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
607 START_PROFILE_BYTES(syscall_pread, n);
608 result = sys_pread(fsp->fh->fd, data, n, offset);
609 END_PROFILE_BYTES(syscall_pread);
611 if (result == -1 && errno == ESPIPE) {
612 /* Maintain the fiction that pipes can be seeked (sought?) on. */
613 result = sys_read(fsp->fh->fd, data, n);
617 #else /* HAVE_PREAD */
620 #endif /* HAVE_PREAD */
625 static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data,
626 size_t n, off_t offset)
630 #if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
631 START_PROFILE_BYTES(syscall_pwrite, n);
632 result = sys_pwrite(fsp->fh->fd, data, n, offset);
633 END_PROFILE_BYTES(syscall_pwrite);
635 if (result == -1 && errno == ESPIPE) {
636 /* Maintain the fiction that pipes can be sought on. */
637 result = sys_write(fsp->fh->fd, data, n);
640 #else /* HAVE_PWRITE */
643 #endif /* HAVE_PWRITE */
648 struct vfswrap_pread_state {
655 struct vfs_aio_state vfs_aio_state;
656 SMBPROFILE_BYTES_ASYNC_STATE(profile_bytes);
659 static void vfs_pread_do(void *private_data);
660 static void vfs_pread_done(struct tevent_req *subreq);
661 static int vfs_pread_state_destructor(struct vfswrap_pread_state *state);
663 static struct tevent_req *vfswrap_pread_send(struct vfs_handle_struct *handle,
665 struct tevent_context *ev,
666 struct files_struct *fsp,
668 size_t n, off_t offset)
670 struct tevent_req *req, *subreq;
671 struct vfswrap_pread_state *state;
673 req = tevent_req_create(mem_ctx, &state, struct vfswrap_pread_state);
679 state->fd = fsp->fh->fd;
682 state->offset = offset;
684 SMBPROFILE_BYTES_ASYNC_START(syscall_asys_pread, profile_p,
685 state->profile_bytes, n);
686 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
688 subreq = pthreadpool_tevent_job_send(
689 state, ev, handle->conn->sconn->raw_thread_pool,
690 vfs_pread_do, state);
691 if (tevent_req_nomem(subreq, req)) {
692 return tevent_req_post(req, ev);
694 tevent_req_set_callback(subreq, vfs_pread_done, req);
696 talloc_set_destructor(state, vfs_pread_state_destructor);
701 static void vfs_pread_do(void *private_data)
703 struct vfswrap_pread_state *state = talloc_get_type_abort(
704 private_data, struct vfswrap_pread_state);
705 struct timespec start_time;
706 struct timespec end_time;
708 SMBPROFILE_BYTES_ASYNC_SET_BUSY(state->profile_bytes);
710 PROFILE_TIMESTAMP(&start_time);
713 state->ret = pread(state->fd, state->buf, state->count,
715 } while ((state->ret == -1) && (errno == EINTR));
717 if (state->ret == -1) {
718 state->vfs_aio_state.error = errno;
721 PROFILE_TIMESTAMP(&end_time);
723 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
725 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
728 static int vfs_pread_state_destructor(struct vfswrap_pread_state *state)
733 static void vfs_pread_done(struct tevent_req *subreq)
735 struct tevent_req *req = tevent_req_callback_data(
736 subreq, struct tevent_req);
737 struct vfswrap_pread_state *state = tevent_req_data(
738 req, struct vfswrap_pread_state);
741 ret = pthreadpool_tevent_job_recv(subreq);
743 SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
744 talloc_set_destructor(state, NULL);
745 if (tevent_req_error(req, ret)) {
749 tevent_req_done(req);
752 static ssize_t vfswrap_pread_recv(struct tevent_req *req,
753 struct vfs_aio_state *vfs_aio_state)
755 struct vfswrap_pread_state *state = tevent_req_data(
756 req, struct vfswrap_pread_state);
758 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
762 *vfs_aio_state = state->vfs_aio_state;
766 struct vfswrap_pwrite_state {
773 struct vfs_aio_state vfs_aio_state;
774 SMBPROFILE_BYTES_ASYNC_STATE(profile_bytes);
777 static void vfs_pwrite_do(void *private_data);
778 static void vfs_pwrite_done(struct tevent_req *subreq);
779 static int vfs_pwrite_state_destructor(struct vfswrap_pwrite_state *state);
781 static struct tevent_req *vfswrap_pwrite_send(struct vfs_handle_struct *handle,
783 struct tevent_context *ev,
784 struct files_struct *fsp,
786 size_t n, off_t offset)
788 struct tevent_req *req, *subreq;
789 struct vfswrap_pwrite_state *state;
791 req = tevent_req_create(mem_ctx, &state, struct vfswrap_pwrite_state);
797 state->fd = fsp->fh->fd;
800 state->offset = offset;
802 SMBPROFILE_BYTES_ASYNC_START(syscall_asys_pwrite, profile_p,
803 state->profile_bytes, n);
804 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
806 subreq = pthreadpool_tevent_job_send(
807 state, ev, handle->conn->sconn->raw_thread_pool,
808 vfs_pwrite_do, state);
809 if (tevent_req_nomem(subreq, req)) {
810 return tevent_req_post(req, ev);
812 tevent_req_set_callback(subreq, vfs_pwrite_done, req);
814 talloc_set_destructor(state, vfs_pwrite_state_destructor);
819 static void vfs_pwrite_do(void *private_data)
821 struct vfswrap_pwrite_state *state = talloc_get_type_abort(
822 private_data, struct vfswrap_pwrite_state);
823 struct timespec start_time;
824 struct timespec end_time;
826 SMBPROFILE_BYTES_ASYNC_SET_BUSY(state->profile_bytes);
828 PROFILE_TIMESTAMP(&start_time);
831 state->ret = pwrite(state->fd, state->buf, state->count,
833 } while ((state->ret == -1) && (errno == EINTR));
835 if (state->ret == -1) {
836 state->vfs_aio_state.error = errno;
839 PROFILE_TIMESTAMP(&end_time);
841 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
843 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
846 static int vfs_pwrite_state_destructor(struct vfswrap_pwrite_state *state)
851 static void vfs_pwrite_done(struct tevent_req *subreq)
853 struct tevent_req *req = tevent_req_callback_data(
854 subreq, struct tevent_req);
855 struct vfswrap_pwrite_state *state = tevent_req_data(
856 req, struct vfswrap_pwrite_state);
859 ret = pthreadpool_tevent_job_recv(subreq);
861 SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
862 talloc_set_destructor(state, NULL);
863 if (tevent_req_error(req, ret)) {
867 tevent_req_done(req);
870 static ssize_t vfswrap_pwrite_recv(struct tevent_req *req,
871 struct vfs_aio_state *vfs_aio_state)
873 struct vfswrap_pwrite_state *state = tevent_req_data(
874 req, struct vfswrap_pwrite_state);
876 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
880 *vfs_aio_state = state->vfs_aio_state;
884 struct vfswrap_fsync_state {
888 struct vfs_aio_state vfs_aio_state;
889 SMBPROFILE_BYTES_ASYNC_STATE(profile_bytes);
892 static void vfs_fsync_do(void *private_data);
893 static void vfs_fsync_done(struct tevent_req *subreq);
894 static int vfs_fsync_state_destructor(struct vfswrap_fsync_state *state);
896 static struct tevent_req *vfswrap_fsync_send(struct vfs_handle_struct *handle,
898 struct tevent_context *ev,
899 struct files_struct *fsp)
901 struct tevent_req *req, *subreq;
902 struct vfswrap_fsync_state *state;
904 req = tevent_req_create(mem_ctx, &state, struct vfswrap_fsync_state);
910 state->fd = fsp->fh->fd;
912 SMBPROFILE_BYTES_ASYNC_START(syscall_asys_fsync, profile_p,
913 state->profile_bytes, 0);
914 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
916 subreq = pthreadpool_tevent_job_send(
917 state, ev, handle->conn->sconn->raw_thread_pool,
918 vfs_fsync_do, state);
919 if (tevent_req_nomem(subreq, req)) {
920 return tevent_req_post(req, ev);
922 tevent_req_set_callback(subreq, vfs_fsync_done, req);
924 talloc_set_destructor(state, vfs_fsync_state_destructor);
929 static void vfs_fsync_do(void *private_data)
931 struct vfswrap_fsync_state *state = talloc_get_type_abort(
932 private_data, struct vfswrap_fsync_state);
933 struct timespec start_time;
934 struct timespec end_time;
936 SMBPROFILE_BYTES_ASYNC_SET_BUSY(state->profile_bytes);
938 PROFILE_TIMESTAMP(&start_time);
941 state->ret = fsync(state->fd);
942 } while ((state->ret == -1) && (errno == EINTR));
944 if (state->ret == -1) {
945 state->vfs_aio_state.error = errno;
948 PROFILE_TIMESTAMP(&end_time);
950 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
952 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
955 static int vfs_fsync_state_destructor(struct vfswrap_fsync_state *state)
960 static void vfs_fsync_done(struct tevent_req *subreq)
962 struct tevent_req *req = tevent_req_callback_data(
963 subreq, struct tevent_req);
964 struct vfswrap_fsync_state *state = tevent_req_data(
965 req, struct vfswrap_fsync_state);
968 ret = pthreadpool_tevent_job_recv(subreq);
970 SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
971 talloc_set_destructor(state, NULL);
972 if (tevent_req_error(req, ret)) {
976 tevent_req_done(req);
979 static int vfswrap_fsync_recv(struct tevent_req *req,
980 struct vfs_aio_state *vfs_aio_state)
982 struct vfswrap_fsync_state *state = tevent_req_data(
983 req, struct vfswrap_fsync_state);
985 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
989 *vfs_aio_state = state->vfs_aio_state;
993 static off_t vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
997 START_PROFILE(syscall_lseek);
999 /* Cope with 'stat' file opens. */
1000 if (fsp->fh->fd != -1)
1001 result = lseek(fsp->fh->fd, offset, whence);
1004 * We want to maintain the fiction that we can seek
1005 * on a fifo for file system purposes. This allows
1006 * people to set up UNIX fifo's that feed data to Windows
1007 * applications. JRA.
1010 if((result == -1) && (errno == ESPIPE)) {
1015 END_PROFILE(syscall_lseek);
1019 static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
1020 off_t offset, size_t n)
1024 START_PROFILE_BYTES(syscall_sendfile, n);
1025 result = sys_sendfile(tofd, fromfsp->fh->fd, hdr, offset, n);
1026 END_PROFILE_BYTES(syscall_sendfile);
1030 static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
1032 files_struct *tofsp,
1038 START_PROFILE_BYTES(syscall_recvfile, n);
1039 result = sys_recvfile(fromfd, tofsp->fh->fd, offset, n);
1040 END_PROFILE_BYTES(syscall_recvfile);
1044 static int vfswrap_rename(vfs_handle_struct *handle,
1045 const struct smb_filename *smb_fname_src,
1046 const struct smb_filename *smb_fname_dst)
1050 START_PROFILE(syscall_rename);
1052 if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
1057 result = rename(smb_fname_src->base_name, smb_fname_dst->base_name);
1060 END_PROFILE(syscall_rename);
1064 static int vfswrap_stat(vfs_handle_struct *handle,
1065 struct smb_filename *smb_fname)
1069 START_PROFILE(syscall_stat);
1071 if (smb_fname->stream_name) {
1076 result = sys_stat(smb_fname->base_name, &smb_fname->st,
1077 lp_fake_directory_create_times(SNUM(handle->conn)));
1079 END_PROFILE(syscall_stat);
1083 static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1087 START_PROFILE(syscall_fstat);
1088 result = sys_fstat(fsp->fh->fd,
1089 sbuf, lp_fake_directory_create_times(SNUM(handle->conn)));
1090 END_PROFILE(syscall_fstat);
1094 static int vfswrap_lstat(vfs_handle_struct *handle,
1095 struct smb_filename *smb_fname)
1099 START_PROFILE(syscall_lstat);
1101 if (smb_fname->stream_name) {
1106 result = sys_lstat(smb_fname->base_name, &smb_fname->st,
1107 lp_fake_directory_create_times(SNUM(handle->conn)));
1109 END_PROFILE(syscall_lstat);
1113 static NTSTATUS vfswrap_translate_name(struct vfs_handle_struct *handle,
1115 enum vfs_translate_direction direction,
1116 TALLOC_CTX *mem_ctx,
1119 return NT_STATUS_NONE_MAPPED;
1123 * Implement the default fsctl operation.
1125 static bool vfswrap_logged_ioctl_message = false;
1127 static NTSTATUS vfswrap_fsctl(struct vfs_handle_struct *handle,
1128 struct files_struct *fsp,
1131 uint16_t req_flags, /* Needed for UNICODE ... */
1132 const uint8_t *_in_data,
1134 uint8_t **_out_data,
1135 uint32_t max_out_len,
1138 const char *in_data = (const char *)_in_data;
1139 char **out_data = (char **)_out_data;
1143 case FSCTL_SET_SPARSE:
1145 bool set_sparse = true;
1147 if (in_len >= 1 && in_data[0] == 0) {
1151 status = file_set_sparse(handle->conn, fsp, set_sparse);
1153 DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
1154 ("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
1155 smb_fname_str_dbg(fsp->fsp_name), set_sparse,
1156 nt_errstr(status)));
1161 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1163 unsigned char objid[16];
1164 char *return_data = NULL;
1166 /* This should return the object-id on this file.
1167 * I think I'll make this be the inode+dev. JRA.
1170 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on %s\n",
1171 fsp_fnum_dbg(fsp)));
1173 *out_len = MIN(max_out_len, 64);
1175 /* Hmmm, will this cause problems if less data asked for? */
1176 return_data = talloc_array(ctx, char, 64);
1177 if (return_data == NULL) {
1178 return NT_STATUS_NO_MEMORY;
1181 /* For backwards compatibility only store the dev/inode. */
1182 push_file_id_16(return_data, &fsp->file_id);
1183 memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
1184 push_file_id_16(return_data+32, &fsp->file_id);
1185 memset(return_data+48, 0, 16);
1186 *out_data = return_data;
1187 return NT_STATUS_OK;
1190 case FSCTL_GET_REPARSE_POINT:
1192 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
1193 DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on %s. "
1194 "Status: NOT_IMPLEMENTED\n", fsp_fnum_dbg(fsp)));
1195 return NT_STATUS_NOT_A_REPARSE_POINT;
1198 case FSCTL_SET_REPARSE_POINT:
1200 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
1201 DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on %s. "
1202 "Status: NOT_IMPLEMENTED\n", fsp_fnum_dbg(fsp)));
1203 return NT_STATUS_NOT_A_REPARSE_POINT;
1206 case FSCTL_GET_SHADOW_COPY_DATA:
1209 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1210 * and return their volume names. If max_data_count is 16, then it is just
1211 * asking for the number of volumes and length of the combined names.
1213 * pdata is the data allocated by our caller, but that uses
1214 * total_data_count (which is 0 in our case) rather than max_data_count.
1215 * Allocate the correct amount and return the pointer to let
1216 * it be deallocated when we return.
1218 struct shadow_copy_data *shadow_data = NULL;
1219 bool labels = False;
1220 uint32_t labels_data_count = 0;
1222 char *cur_pdata = NULL;
1224 if (max_out_len < 16) {
1225 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1227 return NT_STATUS_INVALID_PARAMETER;
1230 if (max_out_len > 16) {
1234 shadow_data = talloc_zero(ctx, struct shadow_copy_data);
1235 if (shadow_data == NULL) {
1236 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1237 return NT_STATUS_NO_MEMORY;
1241 * Call the VFS routine to actually do the work.
1243 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1246 /* broken module didn't set errno on error */
1247 status = NT_STATUS_UNSUCCESSFUL;
1249 status = map_nt_error_from_unix(errno);
1250 if (NT_STATUS_EQUAL(status,
1251 NT_STATUS_NOT_SUPPORTED)) {
1255 DEBUG(log_lev, ("FSCTL_GET_SHADOW_COPY_DATA: "
1256 "connectpath %s, failed - %s.\n",
1257 fsp->conn->connectpath,
1258 nt_errstr(status)));
1259 TALLOC_FREE(shadow_data);
1263 labels_data_count = (shadow_data->num_volumes * 2 *
1264 sizeof(SHADOW_COPY_LABEL)) + 2;
1269 *out_len = 12 + labels_data_count;
1272 if (max_out_len < *out_len) {
1273 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1274 max_out_len, *out_len));
1275 TALLOC_FREE(shadow_data);
1276 return NT_STATUS_BUFFER_TOO_SMALL;
1279 cur_pdata = talloc_zero_array(ctx, char, *out_len);
1280 if (cur_pdata == NULL) {
1281 TALLOC_FREE(shadow_data);
1282 return NT_STATUS_NO_MEMORY;
1285 *out_data = cur_pdata;
1287 /* num_volumes 4 bytes */
1288 SIVAL(cur_pdata, 0, shadow_data->num_volumes);
1291 /* num_labels 4 bytes */
1292 SIVAL(cur_pdata, 4, shadow_data->num_volumes);
1295 /* needed_data_count 4 bytes */
1296 SIVAL(cur_pdata, 8, labels_data_count);
1300 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1301 shadow_data->num_volumes, fsp_str_dbg(fsp)));
1302 if (labels && shadow_data->labels) {
1303 for (i=0; i<shadow_data->num_volumes; i++) {
1305 status = srvstr_push(cur_pdata, req_flags,
1306 cur_pdata, shadow_data->labels[i],
1307 2 * sizeof(SHADOW_COPY_LABEL),
1308 STR_UNICODE|STR_TERMINATE, &len);
1309 if (!NT_STATUS_IS_OK(status)) {
1310 TALLOC_FREE(*out_data);
1311 TALLOC_FREE(shadow_data);
1314 cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
1315 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1319 TALLOC_FREE(shadow_data);
1321 return NT_STATUS_OK;
1324 case FSCTL_FIND_FILES_BY_SID:
1326 /* pretend this succeeded -
1328 * we have to send back a list with all files owned by this SID
1330 * but I have to check that --metze
1336 DEBUG(10, ("FSCTL_FIND_FILES_BY_SID: called on %s\n",
1337 fsp_fnum_dbg(fsp)));
1340 /* NT_STATUS_BUFFER_TOO_SMALL maybe? */
1341 return NT_STATUS_INVALID_PARAMETER;
1344 sid_len = MIN(in_len - 4,SID_MAX_SIZE);
1346 /* unknown 4 bytes: this is not the length of the sid :-( */
1347 /*unknown = IVAL(pdata,0);*/
1349 if (!sid_parse(_in_data + 4, sid_len, &sid)) {
1350 return NT_STATUS_INVALID_PARAMETER;
1352 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1354 if (!sid_to_uid(&sid, &uid)) {
1355 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1356 sid_string_dbg(&sid),
1357 (unsigned long)sid_len));
1361 /* we can take a look at the find source :-)
1363 * find ./ -uid $uid -name '*' is what we need here
1366 * and send 4bytes len and then NULL terminated unicode strings
1369 * but I don't know how to deal with the paged results
1370 * (maybe we can hang the result anywhere in the fsp struct)
1372 * but I don't know how to deal with the paged results
1373 * (maybe we can hang the result anywhere in the fsp struct)
1375 * we don't send all files at once
1376 * and at the next we should *not* start from the beginning,
1377 * so we have to cache the result
1382 /* this works for now... */
1383 return NT_STATUS_OK;
1386 case FSCTL_QUERY_ALLOCATED_RANGES:
1388 /* FIXME: This is just a dummy reply, telling that all of the
1389 * file is allocated. MKS cp needs that.
1390 * Adding the real allocated ranges via FIEMAP on Linux
1391 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
1392 * this FSCTL correct for sparse files.
1394 uint64_t offset, length;
1395 char *out_data_tmp = NULL;
1398 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
1400 return NT_STATUS_INVALID_PARAMETER;
1403 if (max_out_len < 16) {
1404 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
1406 return NT_STATUS_INVALID_PARAMETER;
1409 offset = BVAL(in_data,0);
1410 length = BVAL(in_data,8);
1412 if (offset + length < offset) {
1413 /* No 64-bit integer wrap. */
1414 return NT_STATUS_INVALID_PARAMETER;
1417 /* Shouldn't this be SMB_VFS_STAT ... ? */
1418 status = vfs_stat_fsp(fsp);
1419 if (!NT_STATUS_IS_OK(status)) {
1424 out_data_tmp = talloc_array(ctx, char, *out_len);
1425 if (out_data_tmp == NULL) {
1426 DEBUG(10, ("unable to allocate memory for response\n"));
1427 return NT_STATUS_NO_MEMORY;
1430 if (offset > fsp->fsp_name->st.st_ex_size ||
1431 fsp->fsp_name->st.st_ex_size == 0 ||
1433 memset(out_data_tmp, 0, *out_len);
1435 uint64_t end = offset + length;
1436 end = MIN(end, fsp->fsp_name->st.st_ex_size);
1437 SBVAL(out_data_tmp, 0, 0);
1438 SBVAL(out_data_tmp, 8, end);
1441 *out_data = out_data_tmp;
1443 return NT_STATUS_OK;
1446 case FSCTL_IS_VOLUME_DIRTY:
1448 DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on %s "
1449 "(but remotely not supported)\n", fsp_fnum_dbg(fsp)));
1451 * http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
1452 * says we have to respond with NT_STATUS_INVALID_PARAMETER
1454 return NT_STATUS_INVALID_PARAMETER;
1459 * Only print once ... unfortunately there could be lots of
1460 * different FSCTLs that are called.
1462 if (!vfswrap_logged_ioctl_message) {
1463 vfswrap_logged_ioctl_message = true;
1464 DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
1465 __func__, function));
1469 return NT_STATUS_NOT_SUPPORTED;
1472 static bool vfswrap_is_offline(struct vfs_handle_struct *handle,
1473 const struct smb_filename *fname,
1474 SMB_STRUCT_STAT *sbuf);
1476 static NTSTATUS vfswrap_get_dos_attributes(struct vfs_handle_struct *handle,
1477 struct smb_filename *smb_fname,
1482 offline = vfswrap_is_offline(handle, smb_fname, &smb_fname->st);
1484 *dosmode |= FILE_ATTRIBUTE_OFFLINE;
1487 return get_ea_dos_attribute(handle->conn, smb_fname, dosmode);
1490 static NTSTATUS vfswrap_fget_dos_attributes(struct vfs_handle_struct *handle,
1491 struct files_struct *fsp,
1496 offline = vfswrap_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1498 *dosmode |= FILE_ATTRIBUTE_OFFLINE;
1501 return get_ea_dos_attribute(handle->conn, fsp->fsp_name, dosmode);
1504 static NTSTATUS vfswrap_set_dos_attributes(struct vfs_handle_struct *handle,
1505 const struct smb_filename *smb_fname,
1508 return set_ea_dos_attribute(handle->conn, smb_fname, dosmode);
1511 static NTSTATUS vfswrap_fset_dos_attributes(struct vfs_handle_struct *handle,
1512 struct files_struct *fsp,
1515 return set_ea_dos_attribute(handle->conn, fsp->fsp_name, dosmode);
1518 static struct vfs_offload_ctx *vfswrap_offload_ctx;
1520 struct vfswrap_offload_read_state {
1524 static struct tevent_req *vfswrap_offload_read_send(
1525 TALLOC_CTX *mem_ctx,
1526 struct tevent_context *ev,
1527 struct vfs_handle_struct *handle,
1528 struct files_struct *fsp,
1534 struct tevent_req *req = NULL;
1535 struct vfswrap_offload_read_state *state = NULL;
1538 req = tevent_req_create(mem_ctx, &state,
1539 struct vfswrap_offload_read_state);
1544 status = vfs_offload_token_ctx_init(fsp->conn->sconn->client,
1545 &vfswrap_offload_ctx);
1546 if (tevent_req_nterror(req, status)) {
1547 return tevent_req_post(req, ev);
1550 if (fsctl != FSCTL_SRV_REQUEST_RESUME_KEY) {
1551 tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
1552 return tevent_req_post(req, ev);
1555 status = vfs_offload_token_create_blob(state, fsp, fsctl,
1557 if (tevent_req_nterror(req, status)) {
1558 return tevent_req_post(req, ev);
1561 status = vfs_offload_token_db_store_fsp(vfswrap_offload_ctx, fsp,
1563 if (tevent_req_nterror(req, status)) {
1564 return tevent_req_post(req, ev);
1567 tevent_req_done(req);
1568 return tevent_req_post(req, ev);
1571 static NTSTATUS vfswrap_offload_read_recv(struct tevent_req *req,
1572 struct vfs_handle_struct *handle,
1573 TALLOC_CTX *mem_ctx,
1576 struct vfswrap_offload_read_state *state = tevent_req_data(
1577 req, struct vfswrap_offload_read_state);
1580 if (tevent_req_is_nterror(req, &status)) {
1581 tevent_req_received(req);
1585 token->length = state->token.length;
1586 token->data = talloc_move(mem_ctx, &state->token.data);
1588 tevent_req_received(req);
1589 return NT_STATUS_OK;
1592 struct vfswrap_offload_write_state {
1594 bool read_lck_locked;
1595 bool write_lck_locked;
1597 struct tevent_context *src_ev;
1598 struct files_struct *src_fsp;
1600 struct tevent_context *dst_ev;
1601 struct files_struct *dst_fsp;
1605 size_t next_io_size;
1608 static void vfswrap_offload_write_cleanup(struct tevent_req *req,
1609 enum tevent_req_state req_state)
1611 struct vfswrap_offload_write_state *state = tevent_req_data(
1612 req, struct vfswrap_offload_write_state);
1615 if (state->dst_fsp == NULL) {
1619 ok = change_to_user_by_fsp(state->dst_fsp);
1621 state->dst_fsp = NULL;
1624 static NTSTATUS vfswrap_offload_write_loop(struct tevent_req *req);
1626 static struct tevent_req *vfswrap_offload_write_send(
1627 struct vfs_handle_struct *handle,
1628 TALLOC_CTX *mem_ctx,
1629 struct tevent_context *ev,
1632 off_t transfer_offset,
1633 struct files_struct *dest_fsp,
1637 struct tevent_req *req;
1638 struct vfswrap_offload_write_state *state = NULL;
1639 size_t num = MIN(to_copy, COPYCHUNK_MAX_TOTAL_LEN);
1640 files_struct *src_fsp = NULL;
1644 req = tevent_req_create(mem_ctx, &state,
1645 struct vfswrap_offload_write_state);
1650 *state = (struct vfswrap_offload_write_state) {
1652 .src_off = transfer_offset,
1654 .dst_fsp = dest_fsp,
1655 .dst_off = dest_off,
1657 .remaining = to_copy,
1660 tevent_req_set_cleanup_fn(req, vfswrap_offload_write_cleanup);
1663 case FSCTL_SRV_COPYCHUNK:
1664 case FSCTL_SRV_COPYCHUNK_WRITE:
1667 case FSCTL_OFFLOAD_WRITE:
1668 tevent_req_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
1669 return tevent_req_post(req, ev);
1671 case FSCTL_DUP_EXTENTS_TO_FILE:
1672 DBG_DEBUG("COW clones not supported by vfs_default\n");
1673 tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
1674 return tevent_req_post(req, ev);
1677 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1678 return tevent_req_post(req, ev);
1682 * From here on we assume a copy-chunk fsctl
1686 tevent_req_done(req);
1687 return tevent_req_post(req, ev);
1690 status = vfs_offload_token_db_fetch_fsp(vfswrap_offload_ctx,
1692 if (tevent_req_nterror(req, status)) {
1693 return tevent_req_post(req, ev);
1696 DBG_DEBUG("server side copy chunk of length %" PRIu64 "\n", to_copy);
1698 status = vfs_offload_token_check_handles(fsctl, src_fsp, dest_fsp);
1699 if (!NT_STATUS_IS_OK(status)) {
1700 tevent_req_nterror(req, status);
1701 return tevent_req_post(req, ev);
1704 ok = change_to_user_by_fsp(src_fsp);
1706 tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
1707 return tevent_req_post(req, ev);
1710 state->src_ev = src_fsp->conn->user_ev_ctx;
1711 state->src_fsp = src_fsp;
1713 state->buf = talloc_array(state, uint8_t, num);
1714 if (tevent_req_nomem(state->buf, req)) {
1715 return tevent_req_post(req, ev);
1718 status = vfs_stat_fsp(src_fsp);
1719 if (tevent_req_nterror(req, status)) {
1720 return tevent_req_post(req, ev);
1723 if (src_fsp->fsp_name->st.st_ex_size < state->src_off + num) {
1725 * [MS-SMB2] 3.3.5.15.6 Handling a Server-Side Data Copy Request
1726 * If the SourceOffset or SourceOffset + Length extends beyond
1727 * the end of file, the server SHOULD<240> treat this as a
1728 * STATUS_END_OF_FILE error.
1730 * <240> Section 3.3.5.15.6: Windows servers will return
1731 * STATUS_INVALID_VIEW_SIZE instead of STATUS_END_OF_FILE.
1733 tevent_req_nterror(req, NT_STATUS_INVALID_VIEW_SIZE);
1734 return tevent_req_post(req, ev);
1737 status = vfswrap_offload_write_loop(req);
1738 if (!NT_STATUS_IS_OK(status)) {
1739 tevent_req_nterror(req, status);
1740 return tevent_req_post(req, ev);
1746 static void vfswrap_offload_write_read_done(struct tevent_req *subreq);
1748 static NTSTATUS vfswrap_offload_write_loop(struct tevent_req *req)
1750 struct vfswrap_offload_write_state *state = tevent_req_data(
1751 req, struct vfswrap_offload_write_state);
1752 struct tevent_req *subreq = NULL;
1753 struct lock_struct read_lck;
1757 * This is called under the context of state->src_fsp.
1760 state->next_io_size = MIN(state->remaining, talloc_array_length(state->buf));
1762 init_strict_lock_struct(state->src_fsp,
1763 state->src_fsp->op->global->open_persistent_id,
1765 state->next_io_size,
1769 ok = SMB_VFS_STRICT_LOCK_CHECK(state->src_fsp->conn,
1773 return NT_STATUS_FILE_LOCK_CONFLICT;
1776 subreq = SMB_VFS_PREAD_SEND(state,
1780 state->next_io_size,
1782 if (subreq == NULL) {
1783 return NT_STATUS_NO_MEMORY;
1785 tevent_req_set_callback(subreq, vfswrap_offload_write_read_done, req);
1787 return NT_STATUS_OK;
1790 static void vfswrap_offload_write_write_done(struct tevent_req *subreq);
1792 static void vfswrap_offload_write_read_done(struct tevent_req *subreq)
1794 struct tevent_req *req = tevent_req_callback_data(
1795 subreq, struct tevent_req);
1796 struct vfswrap_offload_write_state *state = tevent_req_data(
1797 req, struct vfswrap_offload_write_state);
1798 struct vfs_aio_state aio_state;
1799 struct lock_struct write_lck;
1803 nread = SMB_VFS_PREAD_RECV(subreq, &aio_state);
1804 TALLOC_FREE(subreq);
1806 DBG_ERR("read failed: %s\n", strerror(errno));
1807 tevent_req_nterror(req, map_nt_error_from_unix(aio_state.error));
1810 if (nread != state->next_io_size) {
1811 DBG_ERR("Short read, only %zd of %zu\n",
1812 nread, state->next_io_size);
1813 tevent_req_nterror(req, NT_STATUS_IO_DEVICE_ERROR);
1817 state->src_off += nread;
1819 ok = change_to_user_by_fsp(state->dst_fsp);
1821 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1825 init_strict_lock_struct(state->dst_fsp,
1826 state->dst_fsp->op->global->open_persistent_id,
1828 state->next_io_size,
1832 ok = SMB_VFS_STRICT_LOCK_CHECK(state->dst_fsp->conn,
1836 tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
1840 subreq = SMB_VFS_PWRITE_SEND(state,
1844 state->next_io_size,
1846 if (subreq == NULL) {
1847 tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
1850 tevent_req_set_callback(subreq, vfswrap_offload_write_write_done, req);
1853 static void vfswrap_offload_write_write_done(struct tevent_req *subreq)
1855 struct tevent_req *req = tevent_req_callback_data(
1856 subreq, struct tevent_req);
1857 struct vfswrap_offload_write_state *state = tevent_req_data(
1858 req, struct vfswrap_offload_write_state);
1859 struct vfs_aio_state aio_state;
1864 nwritten = SMB_VFS_PWRITE_RECV(subreq, &aio_state);
1865 TALLOC_FREE(subreq);
1866 if (nwritten == -1) {
1867 DBG_ERR("write failed: %s\n", strerror(errno));
1868 tevent_req_nterror(req, map_nt_error_from_unix(aio_state.error));
1871 if (nwritten != state->next_io_size) {
1872 DBG_ERR("Short write, only %zd of %zu\n", nwritten, state->next_io_size);
1873 tevent_req_nterror(req, NT_STATUS_IO_DEVICE_ERROR);
1877 state->dst_off += nwritten;
1879 if (state->remaining < nwritten) {
1880 /* Paranoia check */
1881 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1884 state->remaining -= nwritten;
1885 if (state->remaining == 0) {
1886 tevent_req_done(req);
1890 ok = change_to_user_by_fsp(state->src_fsp);
1892 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1896 status = vfswrap_offload_write_loop(req);
1897 if (!NT_STATUS_IS_OK(status)) {
1898 tevent_req_nterror(req, status);
1905 static NTSTATUS vfswrap_offload_write_recv(struct vfs_handle_struct *handle,
1906 struct tevent_req *req,
1909 struct vfswrap_offload_write_state *state = tevent_req_data(
1910 req, struct vfswrap_offload_write_state);
1913 if (tevent_req_is_nterror(req, &status)) {
1914 DBG_DEBUG("copy chunk failed: %s\n", nt_errstr(status));
1916 tevent_req_received(req);
1920 *copied = state->to_copy;
1921 DBG_DEBUG("copy chunk copied %lu\n", (unsigned long)*copied);
1922 tevent_req_received(req);
1924 return NT_STATUS_OK;
1927 static NTSTATUS vfswrap_get_compression(struct vfs_handle_struct *handle,
1928 TALLOC_CTX *mem_ctx,
1929 struct files_struct *fsp,
1930 struct smb_filename *smb_fname,
1931 uint16_t *_compression_fmt)
1933 return NT_STATUS_INVALID_DEVICE_REQUEST;
1936 static NTSTATUS vfswrap_set_compression(struct vfs_handle_struct *handle,
1937 TALLOC_CTX *mem_ctx,
1938 struct files_struct *fsp,
1939 uint16_t compression_fmt)
1941 return NT_STATUS_INVALID_DEVICE_REQUEST;
1944 /********************************************************************
1945 Given a stat buffer return the allocated size on disk, taking into
1946 account sparse files.
1947 ********************************************************************/
1948 static uint64_t vfswrap_get_alloc_size(vfs_handle_struct *handle,
1949 struct files_struct *fsp,
1950 const SMB_STRUCT_STAT *sbuf)
1954 START_PROFILE(syscall_get_alloc_size);
1956 if(S_ISDIR(sbuf->st_ex_mode)) {
1961 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
1962 /* The type of st_blocksize is blkcnt_t which *MUST* be
1963 signed (according to POSIX) and can be less than 64-bits.
1964 Ensure when we're converting to 64 bits wide we don't
1966 #if defined(SIZEOF_BLKCNT_T_8)
1967 result = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_ex_blocks;
1968 #elif defined(SIZEOF_BLKCNT_T_4)
1970 uint64_t bs = ((uint64_t)sbuf->st_ex_blocks) & 0xFFFFFFFFLL;
1971 result = (uint64_t)STAT_ST_BLOCKSIZE * bs;
1974 #error SIZEOF_BLKCNT_T_NOT_A_SUPPORTED_VALUE
1978 * Some file systems do not allocate a block for very
1979 * small files. But for non-empty file should report a
1983 uint64_t filesize = get_file_size_stat(sbuf);
1985 result = MIN((uint64_t)STAT_ST_BLOCKSIZE, filesize);
1989 result = get_file_size_stat(sbuf);
1992 if (fsp && fsp->initial_allocation_size)
1993 result = MAX(result,fsp->initial_allocation_size);
1995 result = smb_roundup(handle->conn, result);
1998 END_PROFILE(syscall_get_alloc_size);
2002 static int vfswrap_unlink(vfs_handle_struct *handle,
2003 const struct smb_filename *smb_fname)
2007 START_PROFILE(syscall_unlink);
2009 if (smb_fname->stream_name) {
2013 result = unlink(smb_fname->base_name);
2016 END_PROFILE(syscall_unlink);
2020 static int vfswrap_chmod(vfs_handle_struct *handle,
2021 const struct smb_filename *smb_fname,
2026 START_PROFILE(syscall_chmod);
2027 result = chmod(smb_fname->base_name, mode);
2028 END_PROFILE(syscall_chmod);
2032 static int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
2036 START_PROFILE(syscall_fchmod);
2037 #if defined(HAVE_FCHMOD)
2038 result = fchmod(fsp->fh->fd, mode);
2044 END_PROFILE(syscall_fchmod);
2048 static int vfswrap_chown(vfs_handle_struct *handle,
2049 const struct smb_filename *smb_fname,
2055 START_PROFILE(syscall_chown);
2056 result = chown(smb_fname->base_name, uid, gid);
2057 END_PROFILE(syscall_chown);
2061 static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
2066 START_PROFILE(syscall_fchown);
2067 result = fchown(fsp->fh->fd, uid, gid);
2068 END_PROFILE(syscall_fchown);
2076 static int vfswrap_lchown(vfs_handle_struct *handle,
2077 const struct smb_filename *smb_fname,
2083 START_PROFILE(syscall_lchown);
2084 result = lchown(smb_fname->base_name, uid, gid);
2085 END_PROFILE(syscall_lchown);
2089 static int vfswrap_chdir(vfs_handle_struct *handle,
2090 const struct smb_filename *smb_fname)
2094 START_PROFILE(syscall_chdir);
2095 result = chdir(smb_fname->base_name);
2096 END_PROFILE(syscall_chdir);
2100 static struct smb_filename *vfswrap_getwd(vfs_handle_struct *handle,
2104 struct smb_filename *smb_fname = NULL;
2106 START_PROFILE(syscall_getwd);
2107 result = sys_getwd();
2108 END_PROFILE(syscall_getwd);
2110 if (result == NULL) {
2113 smb_fname = synthetic_smb_fname(ctx,
2119 * sys_getwd() *always* returns malloced memory.
2120 * We must free here to avoid leaks:
2121 * BUG:https://bugzilla.samba.org/show_bug.cgi?id=13372
2127 /*********************************************************************
2128 nsec timestamp resolution call. Convert down to whatever the underlying
2129 system will support.
2130 **********************************************************************/
2132 static int vfswrap_ntimes(vfs_handle_struct *handle,
2133 const struct smb_filename *smb_fname,
2134 struct smb_file_time *ft)
2138 START_PROFILE(syscall_ntimes);
2140 if (smb_fname->stream_name) {
2146 if (null_timespec(ft->atime)) {
2147 ft->atime= smb_fname->st.st_ex_atime;
2150 if (null_timespec(ft->mtime)) {
2151 ft->mtime = smb_fname->st.st_ex_mtime;
2154 if (!null_timespec(ft->create_time)) {
2155 set_create_timespec_ea(handle->conn,
2160 if ((timespec_compare(&ft->atime,
2161 &smb_fname->st.st_ex_atime) == 0) &&
2162 (timespec_compare(&ft->mtime,
2163 &smb_fname->st.st_ex_mtime) == 0)) {
2168 #if defined(HAVE_UTIMENSAT)
2170 struct timespec ts[2];
2173 result = utimensat(AT_FDCWD, smb_fname->base_name, ts, 0);
2175 result = utimensat(AT_FDCWD, smb_fname->base_name, NULL, 0);
2177 if (!((result == -1) && (errno == ENOSYS))) {
2181 #if defined(HAVE_UTIMES)
2183 struct timeval tv[2];
2184 tv[0] = convert_timespec_to_timeval(ft->atime);
2185 tv[1] = convert_timespec_to_timeval(ft->mtime);
2186 result = utimes(smb_fname->base_name, tv);
2188 result = utimes(smb_fname->base_name, NULL);
2190 if (!((result == -1) && (errno == ENOSYS))) {
2194 #if defined(HAVE_UTIME)
2196 struct utimbuf times;
2197 times.actime = convert_timespec_to_time_t(ft->atime);
2198 times.modtime = convert_timespec_to_time_t(ft->mtime);
2199 result = utime(smb_fname->base_name, ×);
2201 result = utime(smb_fname->base_name, NULL);
2203 if (!((result == -1) && (errno == ENOSYS))) {
2211 END_PROFILE(syscall_ntimes);
2215 /*********************************************************************
2216 A version of ftruncate that will write the space on disk if strict
2218 **********************************************************************/
2220 static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, off_t len)
2222 off_t space_to_write;
2223 uint64_t space_avail;
2224 uint64_t bsize,dfree,dsize;
2227 SMB_STRUCT_STAT *pst;
2229 status = vfs_stat_fsp(fsp);
2230 if (!NT_STATUS_IS_OK(status)) {
2233 pst = &fsp->fsp_name->st;
2236 if (S_ISFIFO(pst->st_ex_mode))
2240 if (pst->st_ex_size == len)
2243 /* Shrink - just ftruncate. */
2244 if (pst->st_ex_size > len)
2245 return ftruncate(fsp->fh->fd, len);
2247 space_to_write = len - pst->st_ex_size;
2249 /* for allocation try fallocate first. This can fail on some
2250 platforms e.g. when the filesystem doesn't support it and no
2251 emulation is being done by the libc (like on AIX with JFS1). In that
2252 case we do our own emulation. fallocate implementations can
2253 return ENOTSUP or EINVAL in cases like that. */
2254 ret = SMB_VFS_FALLOCATE(fsp, 0, pst->st_ex_size, space_to_write);
2255 if (ret == -1 && errno == ENOSPC) {
2261 DEBUG(10,("strict_allocate_ftruncate: SMB_VFS_FALLOCATE failed with "
2262 "error %d. Falling back to slow manual allocation\n", errno));
2264 /* available disk space is enough or not? */
2266 get_dfree_info(fsp->conn, fsp->fsp_name, &bsize, &dfree, &dsize);
2267 /* space_avail is 1k blocks */
2268 if (space_avail == (uint64_t)-1 ||
2269 ((uint64_t)space_to_write/1024 > space_avail) ) {
2274 /* Write out the real space on disk. */
2275 ret = vfs_slow_fallocate(fsp, pst->st_ex_size, space_to_write);
2283 static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, off_t len)
2286 SMB_STRUCT_STAT *pst;
2290 START_PROFILE(syscall_ftruncate);
2292 if (lp_strict_allocate(SNUM(fsp->conn)) && !fsp->is_sparse) {
2293 result = strict_allocate_ftruncate(handle, fsp, len);
2294 END_PROFILE(syscall_ftruncate);
2298 /* we used to just check HAVE_FTRUNCATE_EXTEND and only use
2299 ftruncate if the system supports it. Then I discovered that
2300 you can have some filesystems that support ftruncate
2301 expansion and some that don't! On Linux fat can't do
2302 ftruncate extend but ext2 can. */
2304 result = ftruncate(fsp->fh->fd, len);
2306 /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
2307 extend a file with ftruncate. Provide alternate implementation
2310 /* Do an fstat to see if the file is longer than the requested
2311 size in which case the ftruncate above should have
2312 succeeded or shorter, in which case seek to len - 1 and
2313 write 1 byte of zero */
2314 status = vfs_stat_fsp(fsp);
2315 if (!NT_STATUS_IS_OK(status)) {
2319 /* We need to update the files_struct after successful ftruncate */
2324 pst = &fsp->fsp_name->st;
2327 if (S_ISFIFO(pst->st_ex_mode)) {
2333 if (pst->st_ex_size == len) {
2338 if (pst->st_ex_size > len) {
2339 /* the ftruncate should have worked */
2343 if (SMB_VFS_PWRITE(fsp, &c, 1, len-1)!=1) {
2351 END_PROFILE(syscall_ftruncate);
2355 static int vfswrap_fallocate(vfs_handle_struct *handle,
2363 START_PROFILE(syscall_fallocate);
2365 result = sys_posix_fallocate(fsp->fh->fd, offset, len);
2367 * posix_fallocate returns 0 on success, errno on error
2368 * and doesn't set errno. Make it behave like fallocate()
2369 * which returns -1, and sets errno on failure.
2376 /* sys_fallocate handles filtering of unsupported mode flags */
2377 result = sys_fallocate(fsp->fh->fd, mode, offset, len);
2379 END_PROFILE(syscall_fallocate);
2383 static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int op, off_t offset, off_t count, int type)
2387 START_PROFILE(syscall_fcntl_lock);
2389 if (fsp->use_ofd_locks || !lp_parm_bool(SNUM(fsp->conn),
2391 "force process locks",
2393 op = map_process_lock_to_ofd_lock(op, &fsp->use_ofd_locks);
2396 result = fcntl_lock(fsp->fh->fd, op, offset, count, type);
2397 END_PROFILE(syscall_fcntl_lock);
2401 static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
2402 uint32_t share_mode, uint32_t access_mask)
2404 START_PROFILE(syscall_kernel_flock);
2405 kernel_flock(fsp->fh->fd, share_mode, access_mask);
2406 END_PROFILE(syscall_kernel_flock);
2410 static bool vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid)
2415 START_PROFILE(syscall_fcntl_getlock);
2417 if (fsp->use_ofd_locks || !lp_parm_bool(SNUM(fsp->conn),
2419 "force process locks",
2421 op = map_process_lock_to_ofd_lock(op, &fsp->use_ofd_locks);
2424 result = fcntl_getlock(fsp->fh->fd, op, poffset, pcount, ptype, ppid);
2425 END_PROFILE(syscall_fcntl_getlock);
2429 static int vfswrap_linux_setlease(vfs_handle_struct *handle, files_struct *fsp,
2434 START_PROFILE(syscall_linux_setlease);
2436 #ifdef HAVE_KERNEL_OPLOCKS_LINUX
2437 result = linux_setlease(fsp->fh->fd, leasetype);
2441 END_PROFILE(syscall_linux_setlease);
2445 static int vfswrap_symlink(vfs_handle_struct *handle,
2446 const char *link_target,
2447 const struct smb_filename *new_smb_fname)
2451 START_PROFILE(syscall_symlink);
2452 result = symlink(link_target, new_smb_fname->base_name);
2453 END_PROFILE(syscall_symlink);
2457 static int vfswrap_readlink(vfs_handle_struct *handle,
2458 const struct smb_filename *smb_fname,
2464 START_PROFILE(syscall_readlink);
2465 result = readlink(smb_fname->base_name, buf, bufsiz);
2466 END_PROFILE(syscall_readlink);
2470 static int vfswrap_link(vfs_handle_struct *handle,
2471 const struct smb_filename *old_smb_fname,
2472 const struct smb_filename *new_smb_fname)
2476 START_PROFILE(syscall_link);
2477 result = link(old_smb_fname->base_name, new_smb_fname->base_name);
2478 END_PROFILE(syscall_link);
2482 static int vfswrap_mknod(vfs_handle_struct *handle,
2483 const struct smb_filename *smb_fname,
2489 START_PROFILE(syscall_mknod);
2490 result = sys_mknod(smb_fname->base_name, mode, dev);
2491 END_PROFILE(syscall_mknod);
2495 static struct smb_filename *vfswrap_realpath(vfs_handle_struct *handle,
2497 const struct smb_filename *smb_fname)
2500 struct smb_filename *result_fname = NULL;
2502 START_PROFILE(syscall_realpath);
2503 result = sys_realpath(smb_fname->base_name);
2504 END_PROFILE(syscall_realpath);
2506 result_fname = synthetic_smb_fname(ctx, result, NULL, NULL, 0);
2509 return result_fname;
2512 static int vfswrap_chflags(vfs_handle_struct *handle,
2513 const struct smb_filename *smb_fname,
2517 return chflags(smb_fname->base_name, flags);
2524 static struct file_id vfswrap_file_id_create(struct vfs_handle_struct *handle,
2525 const SMB_STRUCT_STAT *sbuf)
2529 /* the ZERO_STRUCT ensures padding doesn't break using the key as a
2533 key.devid = sbuf->st_ex_dev;
2534 key.inode = sbuf->st_ex_ino;
2535 /* key.extid is unused by default. */
2540 static NTSTATUS vfswrap_streaminfo(vfs_handle_struct *handle,
2541 struct files_struct *fsp,
2542 const struct smb_filename *smb_fname,
2543 TALLOC_CTX *mem_ctx,
2544 unsigned int *pnum_streams,
2545 struct stream_struct **pstreams)
2547 SMB_STRUCT_STAT sbuf;
2548 struct stream_struct *tmp_streams = NULL;
2551 if ((fsp != NULL) && (fsp->is_directory)) {
2553 * No default streams on directories
2558 if ((fsp != NULL) && (fsp->fh->fd != -1)) {
2559 ret = SMB_VFS_FSTAT(fsp, &sbuf);
2562 struct smb_filename smb_fname_cp;
2564 ZERO_STRUCT(smb_fname_cp);
2565 smb_fname_cp.base_name = discard_const_p(char,
2566 smb_fname->base_name);
2567 smb_fname_cp.flags = smb_fname->flags;
2569 if (smb_fname_cp.flags & SMB_FILENAME_POSIX_PATH) {
2570 ret = SMB_VFS_LSTAT(handle->conn, &smb_fname_cp);
2572 ret = SMB_VFS_STAT(handle->conn, &smb_fname_cp);
2574 sbuf = smb_fname_cp.st;
2578 return map_nt_error_from_unix(errno);
2581 if (S_ISDIR(sbuf.st_ex_mode)) {
2585 tmp_streams = talloc_realloc(mem_ctx, *pstreams, struct stream_struct,
2586 (*pnum_streams) + 1);
2587 if (tmp_streams == NULL) {
2588 return NT_STATUS_NO_MEMORY;
2590 tmp_streams[*pnum_streams].name = talloc_strdup(tmp_streams, "::$DATA");
2591 if (tmp_streams[*pnum_streams].name == NULL) {
2592 return NT_STATUS_NO_MEMORY;
2594 tmp_streams[*pnum_streams].size = sbuf.st_ex_size;
2595 tmp_streams[*pnum_streams].alloc_size = SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp, &sbuf);
2598 *pstreams = tmp_streams;
2600 return NT_STATUS_OK;
2603 static int vfswrap_get_real_filename(struct vfs_handle_struct *handle,
2606 TALLOC_CTX *mem_ctx,
2610 * Don't fall back to get_real_filename so callers can differentiate
2611 * between a full directory scan and an actual case-insensitive stat.
2617 static const char *vfswrap_connectpath(struct vfs_handle_struct *handle,
2618 const struct smb_filename *smb_fname)
2620 return handle->conn->connectpath;
2623 static NTSTATUS vfswrap_brl_lock_windows(struct vfs_handle_struct *handle,
2624 struct byte_range_lock *br_lck,
2625 struct lock_struct *plock,
2628 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2630 /* Note: blr is not used in the default implementation. */
2631 return brl_lock_windows_default(br_lck, plock, blocking_lock);
2634 static bool vfswrap_brl_unlock_windows(struct vfs_handle_struct *handle,
2635 struct messaging_context *msg_ctx,
2636 struct byte_range_lock *br_lck,
2637 const struct lock_struct *plock)
2639 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2641 return brl_unlock_windows_default(msg_ctx, br_lck, plock);
2644 static bool vfswrap_brl_cancel_windows(struct vfs_handle_struct *handle,
2645 struct byte_range_lock *br_lck,
2646 struct lock_struct *plock)
2648 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2650 /* Note: blr is not used in the default implementation. */
2651 return brl_lock_cancel_default(br_lck, plock);
2654 static bool vfswrap_strict_lock_check(struct vfs_handle_struct *handle,
2656 struct lock_struct *plock)
2658 SMB_ASSERT(plock->lock_type == READ_LOCK ||
2659 plock->lock_type == WRITE_LOCK);
2661 return strict_lock_check_default(fsp, plock);
2664 /* NT ACL operations. */
2666 static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
2668 uint32_t security_info,
2669 TALLOC_CTX *mem_ctx,
2670 struct security_descriptor **ppdesc)
2674 START_PROFILE(fget_nt_acl);
2675 result = posix_fget_nt_acl(fsp, security_info,
2677 END_PROFILE(fget_nt_acl);
2681 static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
2682 const struct smb_filename *smb_fname,
2683 uint32_t security_info,
2684 TALLOC_CTX *mem_ctx,
2685 struct security_descriptor **ppdesc)
2689 START_PROFILE(get_nt_acl);
2690 result = posix_get_nt_acl(handle->conn,
2695 END_PROFILE(get_nt_acl);
2699 static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
2703 START_PROFILE(fset_nt_acl);
2704 result = set_nt_acl(fsp, security_info_sent, psd);
2705 END_PROFILE(fset_nt_acl);
2709 static NTSTATUS vfswrap_audit_file(struct vfs_handle_struct *handle,
2710 struct smb_filename *file,
2711 struct security_acl *sacl,
2712 uint32_t access_requested,
2713 uint32_t access_denied)
2715 return NT_STATUS_OK; /* Nothing to do here ... */
2718 static SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle,
2719 const struct smb_filename *smb_fname,
2720 SMB_ACL_TYPE_T type,
2721 TALLOC_CTX *mem_ctx)
2723 return sys_acl_get_file(handle, smb_fname, type, mem_ctx);
2726 static SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle,
2728 TALLOC_CTX *mem_ctx)
2730 return sys_acl_get_fd(handle, fsp, mem_ctx);
2733 static int vfswrap_sys_acl_set_file(vfs_handle_struct *handle,
2734 const struct smb_filename *smb_fname,
2735 SMB_ACL_TYPE_T acltype,
2738 return sys_acl_set_file(handle, smb_fname, acltype, theacl);
2741 static int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
2743 return sys_acl_set_fd(handle, fsp, theacl);
2746 static int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle,
2747 const struct smb_filename *smb_fname)
2749 return sys_acl_delete_def_file(handle, smb_fname);
2752 /****************************************************************
2753 Extended attribute operations.
2754 *****************************************************************/
2756 static ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,
2757 const struct smb_filename *smb_fname,
2762 return getxattr(smb_fname->base_name, name, value, size);
2765 static ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
2767 return fgetxattr(fsp->fh->fd, name, value, size);
2770 static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle,
2771 const struct smb_filename *smb_fname,
2775 return listxattr(smb_fname->base_name, list, size);
2778 static ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
2780 return flistxattr(fsp->fh->fd, list, size);
2783 static int vfswrap_removexattr(struct vfs_handle_struct *handle,
2784 const struct smb_filename *smb_fname,
2787 return removexattr(smb_fname->base_name, name);
2790 static int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
2792 return fremovexattr(fsp->fh->fd, name);
2795 static int vfswrap_setxattr(struct vfs_handle_struct *handle,
2796 const struct smb_filename *smb_fname,
2802 return setxattr(smb_fname->base_name, name, value, size, flags);
2805 static int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
2807 return fsetxattr(fsp->fh->fd, name, value, size, flags);
2810 static bool vfswrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
2815 static bool vfswrap_is_offline(struct vfs_handle_struct *handle,
2816 const struct smb_filename *fname,
2817 SMB_STRUCT_STAT *sbuf)
2821 bool offline = false;
2823 if (ISDOT(fname->base_name) || ISDOTDOT(fname->base_name)) {
2827 if (!lp_dmapi_support(SNUM(handle->conn)) || !dmapi_have_session()) {
2828 #if defined(ENOTSUP)
2834 status = get_full_smb_filename(talloc_tos(), fname, &path);
2835 if (!NT_STATUS_IS_OK(status)) {
2836 errno = map_errno_from_nt_status(status);
2840 offline = (dmapi_file_flags(path) & FILE_ATTRIBUTE_OFFLINE) != 0;
2847 static NTSTATUS vfswrap_durable_cookie(struct vfs_handle_struct *handle,
2848 struct files_struct *fsp,
2849 TALLOC_CTX *mem_ctx,
2852 return vfs_default_durable_cookie(fsp, mem_ctx, cookie);
2855 static NTSTATUS vfswrap_durable_disconnect(struct vfs_handle_struct *handle,
2856 struct files_struct *fsp,
2857 const DATA_BLOB old_cookie,
2858 TALLOC_CTX *mem_ctx,
2859 DATA_BLOB *new_cookie)
2861 return vfs_default_durable_disconnect(fsp, old_cookie, mem_ctx,
2865 static NTSTATUS vfswrap_durable_reconnect(struct vfs_handle_struct *handle,
2866 struct smb_request *smb1req,
2867 struct smbXsrv_open *op,
2868 const DATA_BLOB old_cookie,
2869 TALLOC_CTX *mem_ctx,
2870 struct files_struct **fsp,
2871 DATA_BLOB *new_cookie)
2873 return vfs_default_durable_reconnect(handle->conn, smb1req, op,
2874 old_cookie, mem_ctx,
2878 static struct vfs_fn_pointers vfs_default_fns = {
2879 /* Disk operations */
2881 .connect_fn = vfswrap_connect,
2882 .disconnect_fn = vfswrap_disconnect,
2883 .disk_free_fn = vfswrap_disk_free,
2884 .get_quota_fn = vfswrap_get_quota,
2885 .set_quota_fn = vfswrap_set_quota,
2886 .get_shadow_copy_data_fn = vfswrap_get_shadow_copy_data,
2887 .statvfs_fn = vfswrap_statvfs,
2888 .fs_capabilities_fn = vfswrap_fs_capabilities,
2889 .get_dfs_referrals_fn = vfswrap_get_dfs_referrals,
2890 .snap_check_path_fn = vfswrap_snap_check_path,
2891 .snap_create_fn = vfswrap_snap_create,
2892 .snap_delete_fn = vfswrap_snap_delete,
2894 /* Directory operations */
2896 .opendir_fn = vfswrap_opendir,
2897 .fdopendir_fn = vfswrap_fdopendir,
2898 .readdir_fn = vfswrap_readdir,
2899 .readdir_attr_fn = vfswrap_readdir_attr,
2900 .seekdir_fn = vfswrap_seekdir,
2901 .telldir_fn = vfswrap_telldir,
2902 .rewind_dir_fn = vfswrap_rewinddir,
2903 .mkdir_fn = vfswrap_mkdir,
2904 .rmdir_fn = vfswrap_rmdir,
2905 .closedir_fn = vfswrap_closedir,
2907 /* File operations */
2909 .open_fn = vfswrap_open,
2910 .create_file_fn = vfswrap_create_file,
2911 .close_fn = vfswrap_close,
2912 .pread_fn = vfswrap_pread,
2913 .pread_send_fn = vfswrap_pread_send,
2914 .pread_recv_fn = vfswrap_pread_recv,
2915 .pwrite_fn = vfswrap_pwrite,
2916 .pwrite_send_fn = vfswrap_pwrite_send,
2917 .pwrite_recv_fn = vfswrap_pwrite_recv,
2918 .lseek_fn = vfswrap_lseek,
2919 .sendfile_fn = vfswrap_sendfile,
2920 .recvfile_fn = vfswrap_recvfile,
2921 .rename_fn = vfswrap_rename,
2922 .fsync_send_fn = vfswrap_fsync_send,
2923 .fsync_recv_fn = vfswrap_fsync_recv,
2924 .stat_fn = vfswrap_stat,
2925 .fstat_fn = vfswrap_fstat,
2926 .lstat_fn = vfswrap_lstat,
2927 .get_alloc_size_fn = vfswrap_get_alloc_size,
2928 .unlink_fn = vfswrap_unlink,
2929 .chmod_fn = vfswrap_chmod,
2930 .fchmod_fn = vfswrap_fchmod,
2931 .chown_fn = vfswrap_chown,
2932 .fchown_fn = vfswrap_fchown,
2933 .lchown_fn = vfswrap_lchown,
2934 .chdir_fn = vfswrap_chdir,
2935 .getwd_fn = vfswrap_getwd,
2936 .ntimes_fn = vfswrap_ntimes,
2937 .ftruncate_fn = vfswrap_ftruncate,
2938 .fallocate_fn = vfswrap_fallocate,
2939 .lock_fn = vfswrap_lock,
2940 .kernel_flock_fn = vfswrap_kernel_flock,
2941 .linux_setlease_fn = vfswrap_linux_setlease,
2942 .getlock_fn = vfswrap_getlock,
2943 .symlink_fn = vfswrap_symlink,
2944 .readlink_fn = vfswrap_readlink,
2945 .link_fn = vfswrap_link,
2946 .mknod_fn = vfswrap_mknod,
2947 .realpath_fn = vfswrap_realpath,
2948 .chflags_fn = vfswrap_chflags,
2949 .file_id_create_fn = vfswrap_file_id_create,
2950 .streaminfo_fn = vfswrap_streaminfo,
2951 .get_real_filename_fn = vfswrap_get_real_filename,
2952 .connectpath_fn = vfswrap_connectpath,
2953 .brl_lock_windows_fn = vfswrap_brl_lock_windows,
2954 .brl_unlock_windows_fn = vfswrap_brl_unlock_windows,
2955 .brl_cancel_windows_fn = vfswrap_brl_cancel_windows,
2956 .strict_lock_check_fn = vfswrap_strict_lock_check,
2957 .translate_name_fn = vfswrap_translate_name,
2958 .fsctl_fn = vfswrap_fsctl,
2959 .set_dos_attributes_fn = vfswrap_set_dos_attributes,
2960 .fset_dos_attributes_fn = vfswrap_fset_dos_attributes,
2961 .get_dos_attributes_fn = vfswrap_get_dos_attributes,
2962 .fget_dos_attributes_fn = vfswrap_fget_dos_attributes,
2963 .offload_read_send_fn = vfswrap_offload_read_send,
2964 .offload_read_recv_fn = vfswrap_offload_read_recv,
2965 .offload_write_send_fn = vfswrap_offload_write_send,
2966 .offload_write_recv_fn = vfswrap_offload_write_recv,
2967 .get_compression_fn = vfswrap_get_compression,
2968 .set_compression_fn = vfswrap_set_compression,
2970 /* NT ACL operations. */
2972 .fget_nt_acl_fn = vfswrap_fget_nt_acl,
2973 .get_nt_acl_fn = vfswrap_get_nt_acl,
2974 .fset_nt_acl_fn = vfswrap_fset_nt_acl,
2975 .audit_file_fn = vfswrap_audit_file,
2977 /* POSIX ACL operations. */
2979 .sys_acl_get_file_fn = vfswrap_sys_acl_get_file,
2980 .sys_acl_get_fd_fn = vfswrap_sys_acl_get_fd,
2981 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
2982 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
2983 .sys_acl_set_file_fn = vfswrap_sys_acl_set_file,
2984 .sys_acl_set_fd_fn = vfswrap_sys_acl_set_fd,
2985 .sys_acl_delete_def_file_fn = vfswrap_sys_acl_delete_def_file,
2987 /* EA operations. */
2988 .getxattr_fn = vfswrap_getxattr,
2989 .fgetxattr_fn = vfswrap_fgetxattr,
2990 .listxattr_fn = vfswrap_listxattr,
2991 .flistxattr_fn = vfswrap_flistxattr,
2992 .removexattr_fn = vfswrap_removexattr,
2993 .fremovexattr_fn = vfswrap_fremovexattr,
2994 .setxattr_fn = vfswrap_setxattr,
2995 .fsetxattr_fn = vfswrap_fsetxattr,
2997 /* aio operations */
2998 .aio_force_fn = vfswrap_aio_force,
3000 /* durable handle operations */
3001 .durable_cookie_fn = vfswrap_durable_cookie,
3002 .durable_disconnect_fn = vfswrap_durable_disconnect,
3003 .durable_reconnect_fn = vfswrap_durable_reconnect,
3007 NTSTATUS vfs_default_init(TALLOC_CTX *ctx)
3010 * Here we need to implement every call!
3012 * As this is the end of the vfs module chain.
3014 smb_vfs_assert_all_fns(&vfs_default_fns, DEFAULT_VFS_MODULE_NAME);
3015 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
3016 DEFAULT_VFS_MODULE_NAME, &vfs_default_fns);