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"
39 #define DBGC_CLASS DBGC_VFS
41 /* Check for NULL pointer parameters in vfswrap_* functions */
43 /* We don't want to have NULL function pointers lying around. Someone
44 is sure to try and execute them. These stubs are used to prevent
47 static int vfswrap_connect(vfs_handle_struct *handle, const char *service, const char *user)
49 return 0; /* Return >= 0 for success */
52 static void vfswrap_disconnect(vfs_handle_struct *handle)
58 static uint64_t vfswrap_disk_free(vfs_handle_struct *handle, const char *path,
59 uint64_t *bsize, uint64_t *dfree,
62 if (sys_fsusage(path, dfree, dsize) != 0) {
70 static int vfswrap_get_quota(struct vfs_handle_struct *handle, const char *path,
71 enum SMB_QUOTA_TYPE qtype, unid_t id,
74 #ifdef HAVE_SYS_QUOTAS
77 START_PROFILE(syscall_get_quota);
78 result = sys_get_quota(path, qtype, id, qt);
79 END_PROFILE(syscall_get_quota);
87 static int vfswrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
89 #ifdef HAVE_SYS_QUOTAS
92 START_PROFILE(syscall_set_quota);
93 result = sys_set_quota(handle->conn->connectpath, qtype, id, qt);
94 END_PROFILE(syscall_set_quota);
102 static int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle,
103 struct files_struct *fsp,
104 struct shadow_copy_data *shadow_copy_data,
108 return -1; /* Not implemented. */
111 static int vfswrap_statvfs(struct vfs_handle_struct *handle, const char *path, vfs_statvfs_struct *statbuf)
113 return sys_statvfs(path, statbuf);
116 static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle,
117 enum timestamp_set_resolution *p_ts_res)
119 connection_struct *conn = handle->conn;
120 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
121 struct smb_filename *smb_fname_cpath = NULL;
122 struct vfs_statvfs_struct statbuf;
125 ZERO_STRUCT(statbuf);
126 ret = sys_statvfs(conn->connectpath, &statbuf);
128 caps = statbuf.FsCapabilities;
131 *p_ts_res = TIMESTAMP_SET_SECONDS;
133 /* Work out what timestamp resolution we can
134 * use when setting a timestamp. */
136 smb_fname_cpath = synthetic_smb_fname(talloc_tos(), conn->connectpath,
138 if (smb_fname_cpath == NULL) {
142 ret = SMB_VFS_STAT(conn, smb_fname_cpath);
144 TALLOC_FREE(smb_fname_cpath);
148 if (smb_fname_cpath->st.st_ex_mtime.tv_nsec ||
149 smb_fname_cpath->st.st_ex_atime.tv_nsec ||
150 smb_fname_cpath->st.st_ex_ctime.tv_nsec) {
151 /* If any of the normal UNIX directory timestamps
152 * have a non-zero tv_nsec component assume
153 * we might be able to set sub-second timestamps.
154 * See what filetime set primitives we have.
156 #if defined(HAVE_UTIMENSAT)
157 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
158 #elif defined(HAVE_UTIMES)
159 /* utimes allows msec timestamps to be set. */
160 *p_ts_res = TIMESTAMP_SET_MSEC;
161 #elif defined(HAVE_UTIME)
162 /* utime only allows sec timestamps to be set. */
163 *p_ts_res = TIMESTAMP_SET_SECONDS;
166 DEBUG(10,("vfswrap_fs_capabilities: timestamp "
168 "available on share %s, directory %s\n",
169 *p_ts_res == TIMESTAMP_SET_MSEC ? "msec" : "sec",
170 lp_servicename(talloc_tos(), conn->params->service),
171 conn->connectpath ));
173 TALLOC_FREE(smb_fname_cpath);
177 static NTSTATUS vfswrap_get_dfs_referrals(struct vfs_handle_struct *handle,
178 struct dfs_GetDFSReferral *r)
180 struct junction_map *junction = NULL;
182 bool self_referral = false;
183 char *pathnamep = NULL;
184 char *local_dfs_path = NULL;
187 uint16_t max_referral_level = r->in.req.max_referral_level;
190 NDR_PRINT_IN_DEBUG(dfs_GetDFSReferral, r);
193 /* get the junction entry */
194 if (r->in.req.servername == NULL) {
195 return NT_STATUS_NOT_FOUND;
199 * Trim pathname sent by client so it begins with only one backslash.
200 * Two backslashes confuse some dfs clients
203 local_dfs_path = talloc_strdup(r, r->in.req.servername);
204 if (local_dfs_path == NULL) {
205 return NT_STATUS_NO_MEMORY;
207 pathnamep = local_dfs_path;
208 while (IS_DIRECTORY_SEP(pathnamep[0]) &&
209 IS_DIRECTORY_SEP(pathnamep[1])) {
213 junction = talloc_zero(r, struct junction_map);
214 if (junction == NULL) {
215 return NT_STATUS_NO_MEMORY;
218 /* The following call can change cwd. */
219 status = get_referred_path(r, pathnamep,
220 !handle->conn->sconn->using_smb2,
221 junction, &consumedcnt, &self_referral);
222 if (!NT_STATUS_IS_OK(status)) {
223 vfs_ChDir(handle->conn, handle->conn->connectpath);
226 vfs_ChDir(handle->conn, handle->conn->connectpath);
228 if (!self_referral) {
229 pathnamep[consumedcnt] = '\0';
232 dbgtext("Path %s to alternate path(s):",
234 for (i=0; i < junction->referral_count; i++) {
236 junction->referral_list[i].alternate_path);
242 if (r->in.req.max_referral_level <= 2) {
243 max_referral_level = 2;
245 if (r->in.req.max_referral_level >= 3) {
246 max_referral_level = 3;
249 r->out.resp = talloc_zero(r, struct dfs_referral_resp);
250 if (r->out.resp == NULL) {
251 return NT_STATUS_NO_MEMORY;
254 r->out.resp->path_consumed = strlen_m(pathnamep) * 2;
255 r->out.resp->nb_referrals = junction->referral_count;
257 r->out.resp->header_flags = DFS_HEADER_FLAG_STORAGE_SVR;
259 r->out.resp->header_flags |= DFS_HEADER_FLAG_REFERAL_SVR;
262 r->out.resp->referral_entries = talloc_zero_array(r,
263 struct dfs_referral_type,
264 r->out.resp->nb_referrals);
265 if (r->out.resp->referral_entries == NULL) {
266 return NT_STATUS_NO_MEMORY;
269 switch (max_referral_level) {
271 for(i=0; i < junction->referral_count; i++) {
272 struct referral *ref = &junction->referral_list[i];
273 TALLOC_CTX *mem_ctx = r->out.resp->referral_entries;
274 struct dfs_referral_type *t =
275 &r->out.resp->referral_entries[i];
276 struct dfs_referral_v2 *v2 = &t->referral.v2;
279 v2->size = VERSION2_REFERRAL_SIZE;
281 v2->server_type = DFS_SERVER_ROOT;
283 v2->server_type = DFS_SERVER_NON_ROOT;
286 v2->proximity = ref->proximity;
288 v2->DFS_path = talloc_strdup(mem_ctx, pathnamep);
289 if (v2->DFS_path == NULL) {
290 return NT_STATUS_NO_MEMORY;
292 v2->DFS_alt_path = talloc_strdup(mem_ctx, pathnamep);
293 if (v2->DFS_alt_path == NULL) {
294 return NT_STATUS_NO_MEMORY;
296 v2->netw_address = talloc_strdup(mem_ctx,
297 ref->alternate_path);
298 if (v2->netw_address == NULL) {
299 return NT_STATUS_NO_MEMORY;
305 for(i=0; i < junction->referral_count; i++) {
306 struct referral *ref = &junction->referral_list[i];
307 TALLOC_CTX *mem_ctx = r->out.resp->referral_entries;
308 struct dfs_referral_type *t =
309 &r->out.resp->referral_entries[i];
310 struct dfs_referral_v3 *v3 = &t->referral.v3;
311 struct dfs_normal_referral *r1 = &v3->referrals.r1;
314 v3->size = VERSION3_REFERRAL_SIZE;
316 v3->server_type = DFS_SERVER_ROOT;
318 v3->server_type = DFS_SERVER_NON_ROOT;
322 r1->DFS_path = talloc_strdup(mem_ctx, pathnamep);
323 if (r1->DFS_path == NULL) {
324 return NT_STATUS_NO_MEMORY;
326 r1->DFS_alt_path = talloc_strdup(mem_ctx, pathnamep);
327 if (r1->DFS_alt_path == NULL) {
328 return NT_STATUS_NO_MEMORY;
330 r1->netw_address = talloc_strdup(mem_ctx,
331 ref->alternate_path);
332 if (r1->netw_address == NULL) {
333 return NT_STATUS_NO_MEMORY;
338 DEBUG(0,("Invalid dfs referral version: %d\n",
339 max_referral_level));
340 return NT_STATUS_INVALID_LEVEL;
344 NDR_PRINT_OUT_DEBUG(dfs_GetDFSReferral, r);
350 static NTSTATUS vfswrap_snap_check_path(struct vfs_handle_struct *handle,
352 const char *service_path,
355 return NT_STATUS_NOT_SUPPORTED;
358 static NTSTATUS vfswrap_snap_create(struct vfs_handle_struct *handle,
360 const char *base_volume,
366 return NT_STATUS_NOT_SUPPORTED;
369 static NTSTATUS vfswrap_snap_delete(struct vfs_handle_struct *handle,
374 return NT_STATUS_NOT_SUPPORTED;
377 /* Directory operations */
379 static DIR *vfswrap_opendir(vfs_handle_struct *handle,
380 const struct smb_filename *smb_fname,
386 START_PROFILE(syscall_opendir);
387 result = opendir(smb_fname->base_name);
388 END_PROFILE(syscall_opendir);
392 static DIR *vfswrap_fdopendir(vfs_handle_struct *handle,
399 START_PROFILE(syscall_fdopendir);
400 result = sys_fdopendir(fsp->fh->fd);
401 END_PROFILE(syscall_fdopendir);
406 static struct dirent *vfswrap_readdir(vfs_handle_struct *handle,
408 SMB_STRUCT_STAT *sbuf)
410 struct dirent *result;
412 START_PROFILE(syscall_readdir);
413 result = readdir(dirp);
414 END_PROFILE(syscall_readdir);
416 /* Default Posix readdir() does not give us stat info.
417 * Set to invalid to indicate we didn't return this info. */
418 SET_STAT_INVALID(*sbuf);
419 #if defined(HAVE_DIRFD) && defined(HAVE_FSTATAT)
420 if (result != NULL) {
421 /* See if we can efficiently return this. */
423 int flags = AT_SYMLINK_NOFOLLOW;
424 int ret = fstatat(dirfd(dirp),
429 * As this is an optimization,
430 * ignore it if we stat'ed a
431 * symlink. Make the caller
432 * do it again as we don't
433 * know if they wanted the link
434 * info, or its target info.
436 if ((ret == 0) && (!S_ISLNK(st.st_mode))) {
437 init_stat_ex_from_stat(sbuf,
439 lp_fake_directory_create_times(
440 SNUM(handle->conn)));
448 static NTSTATUS vfswrap_readdir_attr(struct vfs_handle_struct *handle,
449 const struct smb_filename *fname,
451 struct readdir_attr_data **attr_data)
453 return NT_STATUS_NOT_SUPPORTED;
456 static void vfswrap_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset)
458 START_PROFILE(syscall_seekdir);
459 seekdir(dirp, offset);
460 END_PROFILE(syscall_seekdir);
463 static long vfswrap_telldir(vfs_handle_struct *handle, DIR *dirp)
466 START_PROFILE(syscall_telldir);
467 result = telldir(dirp);
468 END_PROFILE(syscall_telldir);
472 static void vfswrap_rewinddir(vfs_handle_struct *handle, DIR *dirp)
474 START_PROFILE(syscall_rewinddir);
476 END_PROFILE(syscall_rewinddir);
479 static int vfswrap_mkdir(vfs_handle_struct *handle,
480 const struct smb_filename *smb_fname,
484 bool has_dacl = False;
485 const char *path = smb_fname->base_name;
488 START_PROFILE(syscall_mkdir);
490 if (lp_inherit_acls(SNUM(handle->conn))
491 && parent_dirname(talloc_tos(), path, &parent, NULL)
492 && (has_dacl = directory_has_default_acl(handle->conn, parent))) {
493 mode = (0777 & lp_directory_mask(SNUM(handle->conn)));
498 result = mkdir(path, mode);
500 if (result == 0 && !has_dacl) {
502 * We need to do this as the default behavior of POSIX ACLs
503 * is to set the mask to be the requested group permission
504 * bits, not the group permission bits to be the requested
505 * group permission bits. This is not what we want, as it will
506 * mess up any inherited ACL bits that were set. JRA.
508 int saved_errno = errno; /* We may get ENOSYS */
509 if ((SMB_VFS_CHMOD_ACL(handle->conn, smb_fname, mode) == -1) &&
515 END_PROFILE(syscall_mkdir);
519 static int vfswrap_rmdir(vfs_handle_struct *handle,
520 const struct smb_filename *smb_fname)
524 START_PROFILE(syscall_rmdir);
525 result = rmdir(smb_fname->base_name);
526 END_PROFILE(syscall_rmdir);
530 static int vfswrap_closedir(vfs_handle_struct *handle, DIR *dirp)
534 START_PROFILE(syscall_closedir);
535 result = closedir(dirp);
536 END_PROFILE(syscall_closedir);
540 static void vfswrap_init_search_op(vfs_handle_struct *handle,
543 /* Default behavior is a NOOP */
546 /* File operations */
548 static int vfswrap_open(vfs_handle_struct *handle,
549 struct smb_filename *smb_fname,
550 files_struct *fsp, int flags, mode_t mode)
554 START_PROFILE(syscall_open);
556 if (smb_fname->stream_name) {
561 result = open(smb_fname->base_name, flags, mode);
563 END_PROFILE(syscall_open);
567 static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
568 struct smb_request *req,
569 uint16_t root_dir_fid,
570 struct smb_filename *smb_fname,
571 uint32_t access_mask,
572 uint32_t share_access,
573 uint32_t create_disposition,
574 uint32_t create_options,
575 uint32_t file_attributes,
576 uint32_t oplock_request,
577 struct smb2_lease *lease,
578 uint64_t allocation_size,
579 uint32_t private_flags,
580 struct security_descriptor *sd,
581 struct ea_list *ea_list,
582 files_struct **result,
584 const struct smb2_create_blobs *in_context_blobs,
585 struct smb2_create_blobs *out_context_blobs)
587 return create_file_default(handle->conn, req, root_dir_fid, smb_fname,
588 access_mask, share_access,
589 create_disposition, create_options,
590 file_attributes, oplock_request, lease,
591 allocation_size, private_flags,
593 pinfo, in_context_blobs, out_context_blobs);
596 static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp)
600 START_PROFILE(syscall_close);
601 result = fd_close_posix(fsp);
602 END_PROFILE(syscall_close);
606 static ssize_t vfswrap_read(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n)
610 START_PROFILE_BYTES(syscall_read, n);
611 result = sys_read(fsp->fh->fd, data, n);
612 END_PROFILE_BYTES(syscall_read);
616 static ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, void *data,
617 size_t n, off_t offset)
621 #if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
622 START_PROFILE_BYTES(syscall_pread, n);
623 result = sys_pread(fsp->fh->fd, data, n, offset);
624 END_PROFILE_BYTES(syscall_pread);
626 if (result == -1 && errno == ESPIPE) {
627 /* Maintain the fiction that pipes can be seeked (sought?) on. */
628 result = SMB_VFS_READ(fsp, data, n);
632 #else /* HAVE_PREAD */
636 curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
637 if (curr == -1 && errno == ESPIPE) {
638 /* Maintain the fiction that pipes can be seeked (sought?) on. */
639 result = SMB_VFS_READ(fsp, data, n);
644 if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
649 result = SMB_VFS_READ(fsp, data, n);
652 SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
655 #endif /* HAVE_PREAD */
660 static ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
664 START_PROFILE_BYTES(syscall_write, n);
665 result = sys_write(fsp->fh->fd, data, n);
666 END_PROFILE_BYTES(syscall_write);
670 static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data,
671 size_t n, off_t offset)
675 #if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
676 START_PROFILE_BYTES(syscall_pwrite, n);
677 result = sys_pwrite(fsp->fh->fd, data, n, offset);
678 END_PROFILE_BYTES(syscall_pwrite);
680 if (result == -1 && errno == ESPIPE) {
681 /* Maintain the fiction that pipes can be sought on. */
682 result = SMB_VFS_WRITE(fsp, data, n);
685 #else /* HAVE_PWRITE */
689 curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
694 if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
698 result = SMB_VFS_WRITE(fsp, data, n);
701 SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
704 #endif /* HAVE_PWRITE */
709 static int vfswrap_init_pool(struct smbd_server_connection *conn)
713 if (conn->pool != NULL) {
717 ret = pthreadpool_tevent_init(conn, lp_aio_max_threads(),
722 struct vfswrap_pread_state {
730 struct vfs_aio_state vfs_aio_state;
731 SMBPROFILE_BYTES_ASYNC_STATE(profile_bytes);
734 static void vfs_pread_do(void *private_data);
735 static void vfs_pread_done(struct tevent_req *subreq);
737 static struct tevent_req *vfswrap_pread_send(struct vfs_handle_struct *handle,
739 struct tevent_context *ev,
740 struct files_struct *fsp,
742 size_t n, off_t offset)
744 struct tevent_req *req, *subreq;
745 struct vfswrap_pread_state *state;
748 req = tevent_req_create(mem_ctx, &state, struct vfswrap_pread_state);
753 ret = vfswrap_init_pool(handle->conn->sconn);
754 if (tevent_req_error(req, ret)) {
755 return tevent_req_post(req, ev);
759 state->fd = fsp->fh->fd;
762 state->offset = offset;
764 SMBPROFILE_BYTES_ASYNC_START(syscall_asys_pread, profile_p,
765 state->profile_bytes, n);
766 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
768 subreq = pthreadpool_tevent_job_send(
769 state, ev, handle->conn->sconn->pool,
770 vfs_pread_do, state);
771 if (tevent_req_nomem(subreq, req)) {
772 return tevent_req_post(req, ev);
774 tevent_req_set_callback(subreq, vfs_pread_done, req);
779 static void vfs_pread_do(void *private_data)
781 struct vfswrap_pread_state *state = talloc_get_type_abort(
782 private_data, struct vfswrap_pread_state);
783 struct timespec start_time;
784 struct timespec end_time;
786 SMBPROFILE_BYTES_ASYNC_SET_BUSY(state->profile_bytes);
788 PROFILE_TIMESTAMP(&start_time);
791 state->ret = pread(state->fd, state->buf, state->count,
793 } while ((state->ret == -1) && (errno == EINTR));
797 PROFILE_TIMESTAMP(&end_time);
799 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
801 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
804 static void vfs_pread_done(struct tevent_req *subreq)
806 struct tevent_req *req = tevent_req_callback_data(
807 subreq, struct tevent_req);
809 struct vfswrap_pread_state *state = tevent_req_data(
810 req, struct vfswrap_pread_state);
814 ret = pthreadpool_tevent_job_recv(subreq);
816 SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
817 if (tevent_req_error(req, ret)) {
821 tevent_req_done(req);
824 static ssize_t vfswrap_pread_recv(struct tevent_req *req,
825 struct vfs_aio_state *vfs_aio_state)
827 struct vfswrap_pread_state *state = tevent_req_data(
828 req, struct vfswrap_pread_state);
830 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
834 *vfs_aio_state = state->vfs_aio_state;
838 struct vfswrap_pwrite_state {
846 struct vfs_aio_state vfs_aio_state;
847 SMBPROFILE_BYTES_ASYNC_STATE(profile_bytes);
850 static void vfs_pwrite_do(void *private_data);
851 static void vfs_pwrite_done(struct tevent_req *subreq);
853 static struct tevent_req *vfswrap_pwrite_send(struct vfs_handle_struct *handle,
855 struct tevent_context *ev,
856 struct files_struct *fsp,
858 size_t n, off_t offset)
860 struct tevent_req *req, *subreq;
861 struct vfswrap_pwrite_state *state;
864 req = tevent_req_create(mem_ctx, &state, struct vfswrap_pwrite_state);
869 ret = vfswrap_init_pool(handle->conn->sconn);
870 if (tevent_req_error(req, ret)) {
871 return tevent_req_post(req, ev);
875 state->fd = fsp->fh->fd;
878 state->offset = offset;
880 SMBPROFILE_BYTES_ASYNC_START(syscall_asys_pwrite, profile_p,
881 state->profile_bytes, n);
882 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
884 subreq = pthreadpool_tevent_job_send(
885 state, ev, handle->conn->sconn->pool,
886 vfs_pwrite_do, state);
887 if (tevent_req_nomem(subreq, req)) {
888 return tevent_req_post(req, ev);
890 tevent_req_set_callback(subreq, vfs_pwrite_done, req);
895 static void vfs_pwrite_do(void *private_data)
897 struct vfswrap_pwrite_state *state = talloc_get_type_abort(
898 private_data, struct vfswrap_pwrite_state);
899 struct timespec start_time;
900 struct timespec end_time;
902 SMBPROFILE_BYTES_ASYNC_SET_BUSY(state->profile_bytes);
904 PROFILE_TIMESTAMP(&start_time);
907 state->ret = pwrite(state->fd, state->buf, state->count,
909 } while ((state->ret == -1) && (errno == EINTR));
913 PROFILE_TIMESTAMP(&end_time);
915 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
917 SMBPROFILE_BYTES_ASYNC_SET_IDLE(state->profile_bytes);
920 static void vfs_pwrite_done(struct tevent_req *subreq)
922 struct tevent_req *req = tevent_req_callback_data(
923 subreq, struct tevent_req);
925 struct vfswrap_pwrite_state *state = tevent_req_data(
926 req, struct vfswrap_pwrite_state);
930 ret = pthreadpool_tevent_job_recv(subreq);
932 SMBPROFILE_BYTES_ASYNC_END(state->profile_bytes);
933 if (tevent_req_error(req, ret)) {
937 tevent_req_done(req);
940 static ssize_t vfswrap_pwrite_recv(struct tevent_req *req,
941 struct vfs_aio_state *vfs_aio_state)
943 struct vfswrap_pwrite_state *state = tevent_req_data(
944 req, struct vfswrap_pwrite_state);
946 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
950 *vfs_aio_state = state->vfs_aio_state;
954 struct vfswrap_fsync_state {
959 struct vfs_aio_state vfs_aio_state;
960 SMBPROFILE_BASIC_ASYNC_STATE(profile_basic);
963 static void vfs_fsync_do(void *private_data);
964 static void vfs_fsync_done(struct tevent_req *subreq);
966 static struct tevent_req *vfswrap_fsync_send(struct vfs_handle_struct *handle,
968 struct tevent_context *ev,
969 struct files_struct *fsp)
971 struct tevent_req *req, *subreq;
972 struct vfswrap_fsync_state *state;
975 req = tevent_req_create(mem_ctx, &state, struct vfswrap_fsync_state);
980 ret = vfswrap_init_pool(handle->conn->sconn);
981 if (tevent_req_error(req, ret)) {
982 return tevent_req_post(req, ev);
986 state->fd = fsp->fh->fd;
988 SMBPROFILE_BASIC_ASYNC_START(syscall_asys_fsync, profile_p,
989 state->profile_basic);
991 subreq = pthreadpool_tevent_job_send(
992 state, ev, handle->conn->sconn->pool, vfs_fsync_do, state);
993 if (tevent_req_nomem(subreq, req)) {
994 return tevent_req_post(req, ev);
996 tevent_req_set_callback(subreq, vfs_fsync_done, req);
1001 static void vfs_fsync_do(void *private_data)
1003 struct vfswrap_fsync_state *state = talloc_get_type_abort(
1004 private_data, struct vfswrap_fsync_state);
1005 struct timespec start_time;
1006 struct timespec end_time;
1008 PROFILE_TIMESTAMP(&start_time);
1011 state->ret = fsync(state->fd);
1012 } while ((state->ret == -1) && (errno == EINTR));
1016 PROFILE_TIMESTAMP(&end_time);
1018 state->vfs_aio_state.duration = nsec_time_diff(&end_time, &start_time);
1021 static void vfs_fsync_done(struct tevent_req *subreq)
1023 struct tevent_req *req = tevent_req_callback_data(
1024 subreq, struct tevent_req);
1026 struct vfswrap_fsync_state *state = tevent_req_data(
1027 req, struct vfswrap_fsync_state);
1031 ret = pthreadpool_tevent_job_recv(subreq);
1032 TALLOC_FREE(subreq);
1033 SMBPROFILE_BASIC_ASYNC_END(state->profile_basic);
1034 if (tevent_req_error(req, ret)) {
1038 tevent_req_done(req);
1041 static int vfswrap_fsync_recv(struct tevent_req *req,
1042 struct vfs_aio_state *vfs_aio_state)
1044 struct vfswrap_fsync_state *state = tevent_req_data(
1045 req, struct vfswrap_fsync_state);
1047 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
1051 *vfs_aio_state = state->vfs_aio_state;
1055 static off_t vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
1059 START_PROFILE(syscall_lseek);
1061 /* Cope with 'stat' file opens. */
1062 if (fsp->fh->fd != -1)
1063 result = lseek(fsp->fh->fd, offset, whence);
1066 * We want to maintain the fiction that we can seek
1067 * on a fifo for file system purposes. This allows
1068 * people to set up UNIX fifo's that feed data to Windows
1069 * applications. JRA.
1072 if((result == -1) && (errno == ESPIPE)) {
1077 END_PROFILE(syscall_lseek);
1081 static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
1082 off_t offset, size_t n)
1086 START_PROFILE_BYTES(syscall_sendfile, n);
1087 result = sys_sendfile(tofd, fromfsp->fh->fd, hdr, offset, n);
1088 END_PROFILE_BYTES(syscall_sendfile);
1092 static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
1094 files_struct *tofsp,
1100 START_PROFILE_BYTES(syscall_recvfile, n);
1101 result = sys_recvfile(fromfd, tofsp->fh->fd, offset, n);
1102 END_PROFILE_BYTES(syscall_recvfile);
1106 static int vfswrap_rename(vfs_handle_struct *handle,
1107 const struct smb_filename *smb_fname_src,
1108 const struct smb_filename *smb_fname_dst)
1112 START_PROFILE(syscall_rename);
1114 if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
1119 result = rename(smb_fname_src->base_name, smb_fname_dst->base_name);
1122 END_PROFILE(syscall_rename);
1126 static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp)
1131 START_PROFILE(syscall_fsync);
1132 result = fsync(fsp->fh->fd);
1133 END_PROFILE(syscall_fsync);
1140 static int vfswrap_stat(vfs_handle_struct *handle,
1141 struct smb_filename *smb_fname)
1145 START_PROFILE(syscall_stat);
1147 if (smb_fname->stream_name) {
1152 result = sys_stat(smb_fname->base_name, &smb_fname->st,
1153 lp_fake_directory_create_times(SNUM(handle->conn)));
1155 END_PROFILE(syscall_stat);
1159 static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1163 START_PROFILE(syscall_fstat);
1164 result = sys_fstat(fsp->fh->fd,
1165 sbuf, lp_fake_directory_create_times(SNUM(handle->conn)));
1166 END_PROFILE(syscall_fstat);
1170 static int vfswrap_lstat(vfs_handle_struct *handle,
1171 struct smb_filename *smb_fname)
1175 START_PROFILE(syscall_lstat);
1177 if (smb_fname->stream_name) {
1182 result = sys_lstat(smb_fname->base_name, &smb_fname->st,
1183 lp_fake_directory_create_times(SNUM(handle->conn)));
1185 END_PROFILE(syscall_lstat);
1189 static NTSTATUS vfswrap_translate_name(struct vfs_handle_struct *handle,
1191 enum vfs_translate_direction direction,
1192 TALLOC_CTX *mem_ctx,
1195 return NT_STATUS_NONE_MAPPED;
1199 * Implement the default fsctl operation.
1201 static bool vfswrap_logged_ioctl_message = false;
1203 static NTSTATUS vfswrap_fsctl(struct vfs_handle_struct *handle,
1204 struct files_struct *fsp,
1207 uint16_t req_flags, /* Needed for UNICODE ... */
1208 const uint8_t *_in_data,
1210 uint8_t **_out_data,
1211 uint32_t max_out_len,
1214 const char *in_data = (const char *)_in_data;
1215 char **out_data = (char **)_out_data;
1219 case FSCTL_SET_SPARSE:
1221 bool set_sparse = true;
1223 if (in_len >= 1 && in_data[0] == 0) {
1227 status = file_set_sparse(handle->conn, fsp, set_sparse);
1229 DEBUG(NT_STATUS_IS_OK(status) ? 10 : 9,
1230 ("FSCTL_SET_SPARSE: fname[%s] set[%u] - %s\n",
1231 smb_fname_str_dbg(fsp->fsp_name), set_sparse,
1232 nt_errstr(status)));
1237 case FSCTL_CREATE_OR_GET_OBJECT_ID:
1239 unsigned char objid[16];
1240 char *return_data = NULL;
1242 /* This should return the object-id on this file.
1243 * I think I'll make this be the inode+dev. JRA.
1246 DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on %s\n",
1247 fsp_fnum_dbg(fsp)));
1249 *out_len = MIN(max_out_len, 64);
1251 /* Hmmm, will this cause problems if less data asked for? */
1252 return_data = talloc_array(ctx, char, 64);
1253 if (return_data == NULL) {
1254 return NT_STATUS_NO_MEMORY;
1257 /* For backwards compatibility only store the dev/inode. */
1258 push_file_id_16(return_data, &fsp->file_id);
1259 memcpy(return_data+16,create_volume_objectid(fsp->conn,objid),16);
1260 push_file_id_16(return_data+32, &fsp->file_id);
1261 memset(return_data+48, 0, 16);
1262 *out_data = return_data;
1263 return NT_STATUS_OK;
1266 case FSCTL_GET_REPARSE_POINT:
1268 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
1269 DEBUG(10, ("FSCTL_GET_REPARSE_POINT: called on %s. "
1270 "Status: NOT_IMPLEMENTED\n", fsp_fnum_dbg(fsp)));
1271 return NT_STATUS_NOT_A_REPARSE_POINT;
1274 case FSCTL_SET_REPARSE_POINT:
1276 /* Fail it with STATUS_NOT_A_REPARSE_POINT */
1277 DEBUG(10, ("FSCTL_SET_REPARSE_POINT: called on %s. "
1278 "Status: NOT_IMPLEMENTED\n", fsp_fnum_dbg(fsp)));
1279 return NT_STATUS_NOT_A_REPARSE_POINT;
1282 case FSCTL_GET_SHADOW_COPY_DATA:
1285 * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1286 * and return their volume names. If max_data_count is 16, then it is just
1287 * asking for the number of volumes and length of the combined names.
1289 * pdata is the data allocated by our caller, but that uses
1290 * total_data_count (which is 0 in our case) rather than max_data_count.
1291 * Allocate the correct amount and return the pointer to let
1292 * it be deallocated when we return.
1294 struct shadow_copy_data *shadow_data = NULL;
1295 bool labels = False;
1296 uint32_t labels_data_count = 0;
1298 char *cur_pdata = NULL;
1300 if (max_out_len < 16) {
1301 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1303 return NT_STATUS_INVALID_PARAMETER;
1306 if (max_out_len > 16) {
1310 shadow_data = talloc_zero(ctx, struct shadow_copy_data);
1311 if (shadow_data == NULL) {
1312 DEBUG(0,("TALLOC_ZERO() failed!\n"));
1313 return NT_STATUS_NO_MEMORY;
1317 * Call the VFS routine to actually do the work.
1319 if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1322 /* broken module didn't set errno on error */
1323 status = NT_STATUS_UNSUCCESSFUL;
1325 status = map_nt_error_from_unix(errno);
1326 if (NT_STATUS_EQUAL(status,
1327 NT_STATUS_NOT_SUPPORTED)) {
1331 DEBUG(log_lev, ("FSCTL_GET_SHADOW_COPY_DATA: "
1332 "connectpath %s, failed - %s.\n",
1333 fsp->conn->connectpath,
1334 nt_errstr(status)));
1335 TALLOC_FREE(shadow_data);
1339 labels_data_count = (shadow_data->num_volumes * 2 *
1340 sizeof(SHADOW_COPY_LABEL)) + 2;
1345 *out_len = 12 + labels_data_count;
1348 if (max_out_len < *out_len) {
1349 DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
1350 max_out_len, *out_len));
1351 TALLOC_FREE(shadow_data);
1352 return NT_STATUS_BUFFER_TOO_SMALL;
1355 cur_pdata = talloc_zero_array(ctx, char, *out_len);
1356 if (cur_pdata == NULL) {
1357 TALLOC_FREE(shadow_data);
1358 return NT_STATUS_NO_MEMORY;
1361 *out_data = cur_pdata;
1363 /* num_volumes 4 bytes */
1364 SIVAL(cur_pdata, 0, shadow_data->num_volumes);
1367 /* num_labels 4 bytes */
1368 SIVAL(cur_pdata, 4, shadow_data->num_volumes);
1371 /* needed_data_count 4 bytes */
1372 SIVAL(cur_pdata, 8, labels_data_count);
1376 DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
1377 shadow_data->num_volumes, fsp_str_dbg(fsp)));
1378 if (labels && shadow_data->labels) {
1379 for (i=0; i<shadow_data->num_volumes; i++) {
1381 status = srvstr_push(cur_pdata, req_flags,
1382 cur_pdata, shadow_data->labels[i],
1383 2 * sizeof(SHADOW_COPY_LABEL),
1384 STR_UNICODE|STR_TERMINATE, &len);
1385 if (!NT_STATUS_IS_OK(status)) {
1386 TALLOC_FREE(*out_data);
1387 TALLOC_FREE(shadow_data);
1390 cur_pdata += 2 * sizeof(SHADOW_COPY_LABEL);
1391 DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
1395 TALLOC_FREE(shadow_data);
1397 return NT_STATUS_OK;
1400 case FSCTL_FIND_FILES_BY_SID:
1402 /* pretend this succeeded -
1404 * we have to send back a list with all files owned by this SID
1406 * but I have to check that --metze
1412 DEBUG(10, ("FSCTL_FIND_FILES_BY_SID: called on %s\n",
1413 fsp_fnum_dbg(fsp)));
1416 /* NT_STATUS_BUFFER_TOO_SMALL maybe? */
1417 return NT_STATUS_INVALID_PARAMETER;
1420 sid_len = MIN(in_len - 4,SID_MAX_SIZE);
1422 /* unknown 4 bytes: this is not the length of the sid :-( */
1423 /*unknown = IVAL(pdata,0);*/
1425 if (!sid_parse(_in_data + 4, sid_len, &sid)) {
1426 return NT_STATUS_INVALID_PARAMETER;
1428 DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
1430 if (!sid_to_uid(&sid, &uid)) {
1431 DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
1432 sid_string_dbg(&sid),
1433 (unsigned long)sid_len));
1437 /* we can take a look at the find source :-)
1439 * find ./ -uid $uid -name '*' is what we need here
1442 * and send 4bytes len and then NULL terminated unicode strings
1445 * but I don't know how to deal with the paged results
1446 * (maybe we can hang the result anywhere in the fsp struct)
1448 * but I don't know how to deal with the paged results
1449 * (maybe we can hang the result anywhere in the fsp struct)
1451 * we don't send all files at once
1452 * and at the next we should *not* start from the beginning,
1453 * so we have to cache the result
1458 /* this works for now... */
1459 return NT_STATUS_OK;
1462 case FSCTL_QUERY_ALLOCATED_RANGES:
1464 /* FIXME: This is just a dummy reply, telling that all of the
1465 * file is allocated. MKS cp needs that.
1466 * Adding the real allocated ranges via FIEMAP on Linux
1467 * and SEEK_DATA/SEEK_HOLE on Solaris is needed to make
1468 * this FSCTL correct for sparse files.
1470 uint64_t offset, length;
1471 char *out_data_tmp = NULL;
1474 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: data_count(%u) != 16 is invalid!\n",
1476 return NT_STATUS_INVALID_PARAMETER;
1479 if (max_out_len < 16) {
1480 DEBUG(0,("FSCTL_QUERY_ALLOCATED_RANGES: max_out_len (%u) < 16 is invalid!\n",
1482 return NT_STATUS_INVALID_PARAMETER;
1485 offset = BVAL(in_data,0);
1486 length = BVAL(in_data,8);
1488 if (offset + length < offset) {
1489 /* No 64-bit integer wrap. */
1490 return NT_STATUS_INVALID_PARAMETER;
1493 /* Shouldn't this be SMB_VFS_STAT ... ? */
1494 status = vfs_stat_fsp(fsp);
1495 if (!NT_STATUS_IS_OK(status)) {
1500 out_data_tmp = talloc_array(ctx, char, *out_len);
1501 if (out_data_tmp == NULL) {
1502 DEBUG(10, ("unable to allocate memory for response\n"));
1503 return NT_STATUS_NO_MEMORY;
1506 if (offset > fsp->fsp_name->st.st_ex_size ||
1507 fsp->fsp_name->st.st_ex_size == 0 ||
1509 memset(out_data_tmp, 0, *out_len);
1511 uint64_t end = offset + length;
1512 end = MIN(end, fsp->fsp_name->st.st_ex_size);
1513 SBVAL(out_data_tmp, 0, 0);
1514 SBVAL(out_data_tmp, 8, end);
1517 *out_data = out_data_tmp;
1519 return NT_STATUS_OK;
1522 case FSCTL_IS_VOLUME_DIRTY:
1524 DEBUG(10,("FSCTL_IS_VOLUME_DIRTY: called on %s "
1525 "(but remotely not supported)\n", fsp_fnum_dbg(fsp)));
1527 * http://msdn.microsoft.com/en-us/library/cc232128%28PROT.10%29.aspx
1528 * says we have to respond with NT_STATUS_INVALID_PARAMETER
1530 return NT_STATUS_INVALID_PARAMETER;
1535 * Only print once ... unfortunately there could be lots of
1536 * different FSCTLs that are called.
1538 if (!vfswrap_logged_ioctl_message) {
1539 vfswrap_logged_ioctl_message = true;
1540 DEBUG(2, ("%s (0x%x): Currently not implemented.\n",
1541 __func__, function));
1545 return NT_STATUS_NOT_SUPPORTED;
1548 static bool vfswrap_is_offline(struct vfs_handle_struct *handle,
1549 const struct smb_filename *fname,
1550 SMB_STRUCT_STAT *sbuf);
1552 static NTSTATUS vfswrap_get_dos_attributes(struct vfs_handle_struct *handle,
1553 struct smb_filename *smb_fname,
1558 offline = vfswrap_is_offline(handle, smb_fname, &smb_fname->st);
1560 *dosmode |= FILE_ATTRIBUTE_OFFLINE;
1563 return get_ea_dos_attribute(handle->conn, smb_fname, dosmode);
1566 static NTSTATUS vfswrap_fget_dos_attributes(struct vfs_handle_struct *handle,
1567 struct files_struct *fsp,
1572 offline = vfswrap_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1574 *dosmode |= FILE_ATTRIBUTE_OFFLINE;
1577 return get_ea_dos_attribute(handle->conn, fsp->fsp_name, dosmode);
1580 static NTSTATUS vfswrap_set_dos_attributes(struct vfs_handle_struct *handle,
1581 const struct smb_filename *smb_fname,
1584 return set_ea_dos_attribute(handle->conn, smb_fname, dosmode);
1587 static NTSTATUS vfswrap_fset_dos_attributes(struct vfs_handle_struct *handle,
1588 struct files_struct *fsp,
1591 return set_ea_dos_attribute(handle->conn, fsp->fsp_name, dosmode);
1594 struct vfs_cc_state {
1599 static struct tevent_req *vfswrap_copy_chunk_send(struct vfs_handle_struct *handle,
1600 TALLOC_CTX *mem_ctx,
1601 struct tevent_context *ev,
1602 struct files_struct *src_fsp,
1604 struct files_struct *dest_fsp,
1608 struct tevent_req *req;
1609 struct vfs_cc_state *vfs_cc_state;
1612 DEBUG(10, ("performing server side copy chunk of length %lu\n",
1613 (unsigned long)num));
1615 req = tevent_req_create(mem_ctx, &vfs_cc_state, struct vfs_cc_state);
1620 vfs_cc_state->buf = talloc_array(vfs_cc_state, uint8_t,
1621 MIN(num, COPYCHUNK_MAX_TOTAL_LEN));
1622 if (tevent_req_nomem(vfs_cc_state->buf, req)) {
1623 return tevent_req_post(req, ev);
1626 status = vfs_stat_fsp(src_fsp);
1627 if (tevent_req_nterror(req, status)) {
1628 return tevent_req_post(req, ev);
1631 if (src_fsp->fsp_name->st.st_ex_size < src_off + num) {
1633 * [MS-SMB2] 3.3.5.15.6 Handling a Server-Side Data Copy Request
1634 * If the SourceOffset or SourceOffset + Length extends beyond
1635 * the end of file, the server SHOULD<240> treat this as a
1636 * STATUS_END_OF_FILE error.
1638 * <240> Section 3.3.5.15.6: Windows servers will return
1639 * STATUS_INVALID_VIEW_SIZE instead of STATUS_END_OF_FILE.
1641 tevent_req_nterror(req, NT_STATUS_INVALID_VIEW_SIZE);
1642 return tevent_req_post(req, ev);
1645 /* could use 2.6.33+ sendfile here to do this in kernel */
1646 while (vfs_cc_state->copied < num) {
1648 struct lock_struct lck;
1651 off_t this_num = MIN(talloc_array_length(vfs_cc_state->buf),
1652 num - vfs_cc_state->copied);
1654 if (src_fsp->op == NULL) {
1655 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1656 return tevent_req_post(req, ev);
1658 init_strict_lock_struct(src_fsp,
1659 src_fsp->op->global->open_persistent_id,
1665 if (!SMB_VFS_STRICT_LOCK(src_fsp->conn, src_fsp, &lck)) {
1666 tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
1667 return tevent_req_post(req, ev);
1670 ret = SMB_VFS_PREAD(src_fsp, vfs_cc_state->buf,
1673 saved_errno = errno;
1676 SMB_VFS_STRICT_UNLOCK(src_fsp->conn, src_fsp, &lck);
1679 errno = saved_errno;
1680 tevent_req_nterror(req, map_nt_error_from_unix(errno));
1681 return tevent_req_post(req, ev);
1683 if (ret != this_num) {
1684 /* zero tolerance for short reads */
1685 tevent_req_nterror(req, NT_STATUS_IO_DEVICE_ERROR);
1686 return tevent_req_post(req, ev);
1691 if (dest_fsp->op == NULL) {
1692 tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
1693 return tevent_req_post(req, ev);
1696 init_strict_lock_struct(dest_fsp,
1697 dest_fsp->op->global->open_persistent_id,
1703 if (!SMB_VFS_STRICT_LOCK(dest_fsp->conn, dest_fsp, &lck)) {
1704 tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
1705 return tevent_req_post(req, ev);
1708 ret = SMB_VFS_PWRITE(dest_fsp, vfs_cc_state->buf,
1709 this_num, dest_off);
1711 saved_errno = errno;
1714 SMB_VFS_STRICT_UNLOCK(dest_fsp->conn, dest_fsp, &lck);
1717 errno = saved_errno;
1718 tevent_req_nterror(req, map_nt_error_from_unix(errno));
1719 return tevent_req_post(req, ev);
1721 if (ret != this_num) {
1722 /* zero tolerance for short writes */
1723 tevent_req_nterror(req, NT_STATUS_IO_DEVICE_ERROR);
1724 return tevent_req_post(req, ev);
1728 vfs_cc_state->copied += this_num;
1731 tevent_req_done(req);
1732 return tevent_req_post(req, ev);
1735 static NTSTATUS vfswrap_copy_chunk_recv(struct vfs_handle_struct *handle,
1736 struct tevent_req *req,
1739 struct vfs_cc_state *vfs_cc_state = tevent_req_data(req,
1740 struct vfs_cc_state);
1743 if (tevent_req_is_nterror(req, &status)) {
1744 DEBUG(2, ("server side copy chunk failed: %s\n",
1745 nt_errstr(status)));
1747 tevent_req_received(req);
1751 *copied = vfs_cc_state->copied;
1752 DEBUG(10, ("server side copy chunk copied %lu\n",
1753 (unsigned long)*copied));
1754 tevent_req_received(req);
1756 return NT_STATUS_OK;
1759 static NTSTATUS vfswrap_get_compression(struct vfs_handle_struct *handle,
1760 TALLOC_CTX *mem_ctx,
1761 struct files_struct *fsp,
1762 struct smb_filename *smb_fname,
1763 uint16_t *_compression_fmt)
1765 return NT_STATUS_INVALID_DEVICE_REQUEST;
1768 static NTSTATUS vfswrap_set_compression(struct vfs_handle_struct *handle,
1769 TALLOC_CTX *mem_ctx,
1770 struct files_struct *fsp,
1771 uint16_t compression_fmt)
1773 return NT_STATUS_INVALID_DEVICE_REQUEST;
1776 /********************************************************************
1777 Given a stat buffer return the allocated size on disk, taking into
1778 account sparse files.
1779 ********************************************************************/
1780 static uint64_t vfswrap_get_alloc_size(vfs_handle_struct *handle,
1781 struct files_struct *fsp,
1782 const SMB_STRUCT_STAT *sbuf)
1786 START_PROFILE(syscall_get_alloc_size);
1788 if(S_ISDIR(sbuf->st_ex_mode)) {
1793 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
1794 /* The type of st_blocksize is blkcnt_t which *MUST* be
1795 signed (according to POSIX) and can be less than 64-bits.
1796 Ensure when we're converting to 64 bits wide we don't
1798 #if defined(SIZEOF_BLKCNT_T_8)
1799 result = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_ex_blocks;
1800 #elif defined(SIZEOF_BLKCNT_T_4)
1802 uint64_t bs = ((uint64_t)sbuf->st_ex_blocks) & 0xFFFFFFFFLL;
1803 result = (uint64_t)STAT_ST_BLOCKSIZE * bs;
1806 #error SIZEOF_BLKCNT_T_NOT_A_SUPPORTED_VALUE
1810 * Some file systems do not allocate a block for very
1811 * small files. But for non-empty file should report a
1815 uint64_t filesize = get_file_size_stat(sbuf);
1817 result = MIN((uint64_t)STAT_ST_BLOCKSIZE, filesize);
1821 result = get_file_size_stat(sbuf);
1824 if (fsp && fsp->initial_allocation_size)
1825 result = MAX(result,fsp->initial_allocation_size);
1827 result = smb_roundup(handle->conn, result);
1830 END_PROFILE(syscall_get_alloc_size);
1834 static int vfswrap_unlink(vfs_handle_struct *handle,
1835 const struct smb_filename *smb_fname)
1839 START_PROFILE(syscall_unlink);
1841 if (smb_fname->stream_name) {
1845 result = unlink(smb_fname->base_name);
1848 END_PROFILE(syscall_unlink);
1852 static int vfswrap_chmod(vfs_handle_struct *handle,
1853 const struct smb_filename *smb_fname,
1858 START_PROFILE(syscall_chmod);
1861 * We need to do this due to the fact that the default POSIX ACL
1862 * chmod modifies the ACL *mask* for the group owner, not the
1863 * group owner bits directly. JRA.
1868 int saved_errno = errno; /* We might get ENOSYS */
1869 result = SMB_VFS_CHMOD_ACL(handle->conn,
1873 END_PROFILE(syscall_chmod);
1876 /* Error - return the old errno. */
1877 errno = saved_errno;
1880 result = chmod(smb_fname->base_name, mode);
1881 END_PROFILE(syscall_chmod);
1885 static int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1889 START_PROFILE(syscall_fchmod);
1892 * We need to do this due to the fact that the default POSIX ACL
1893 * chmod modifies the ACL *mask* for the group owner, not the
1894 * group owner bits directly. JRA.
1898 int saved_errno = errno; /* We might get ENOSYS */
1899 if ((result = SMB_VFS_FCHMOD_ACL(fsp, mode)) == 0) {
1900 END_PROFILE(syscall_fchmod);
1903 /* Error - return the old errno. */
1904 errno = saved_errno;
1907 #if defined(HAVE_FCHMOD)
1908 result = fchmod(fsp->fh->fd, mode);
1914 END_PROFILE(syscall_fchmod);
1918 static int vfswrap_chown(vfs_handle_struct *handle,
1919 const struct smb_filename *smb_fname,
1925 START_PROFILE(syscall_chown);
1926 result = chown(smb_fname->base_name, uid, gid);
1927 END_PROFILE(syscall_chown);
1931 static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
1936 START_PROFILE(syscall_fchown);
1937 result = fchown(fsp->fh->fd, uid, gid);
1938 END_PROFILE(syscall_fchown);
1946 static int vfswrap_lchown(vfs_handle_struct *handle,
1947 const struct smb_filename *smb_fname,
1953 START_PROFILE(syscall_lchown);
1954 result = lchown(smb_fname->base_name, uid, gid);
1955 END_PROFILE(syscall_lchown);
1959 static int vfswrap_chdir(vfs_handle_struct *handle, const char *path)
1963 START_PROFILE(syscall_chdir);
1964 result = chdir(path);
1965 END_PROFILE(syscall_chdir);
1969 static char *vfswrap_getwd(vfs_handle_struct *handle)
1973 START_PROFILE(syscall_getwd);
1974 result = sys_getwd();
1975 END_PROFILE(syscall_getwd);
1979 /*********************************************************************
1980 nsec timestamp resolution call. Convert down to whatever the underlying
1981 system will support.
1982 **********************************************************************/
1984 static int vfswrap_ntimes(vfs_handle_struct *handle,
1985 const struct smb_filename *smb_fname,
1986 struct smb_file_time *ft)
1990 START_PROFILE(syscall_ntimes);
1992 if (smb_fname->stream_name) {
1998 if (null_timespec(ft->atime)) {
1999 ft->atime= smb_fname->st.st_ex_atime;
2002 if (null_timespec(ft->mtime)) {
2003 ft->mtime = smb_fname->st.st_ex_mtime;
2006 if (!null_timespec(ft->create_time)) {
2007 set_create_timespec_ea(handle->conn,
2012 if ((timespec_compare(&ft->atime,
2013 &smb_fname->st.st_ex_atime) == 0) &&
2014 (timespec_compare(&ft->mtime,
2015 &smb_fname->st.st_ex_mtime) == 0)) {
2020 #if defined(HAVE_UTIMENSAT)
2022 struct timespec ts[2];
2025 result = utimensat(AT_FDCWD, smb_fname->base_name, ts, 0);
2027 result = utimensat(AT_FDCWD, smb_fname->base_name, NULL, 0);
2029 if (!((result == -1) && (errno == ENOSYS))) {
2033 #if defined(HAVE_UTIMES)
2035 struct timeval tv[2];
2036 tv[0] = convert_timespec_to_timeval(ft->atime);
2037 tv[1] = convert_timespec_to_timeval(ft->mtime);
2038 result = utimes(smb_fname->base_name, tv);
2040 result = utimes(smb_fname->base_name, NULL);
2042 if (!((result == -1) && (errno == ENOSYS))) {
2046 #if defined(HAVE_UTIME)
2048 struct utimbuf times;
2049 times.actime = convert_timespec_to_time_t(ft->atime);
2050 times.modtime = convert_timespec_to_time_t(ft->mtime);
2051 result = utime(smb_fname->base_name, ×);
2053 result = utime(smb_fname->base_name, NULL);
2055 if (!((result == -1) && (errno == ENOSYS))) {
2063 END_PROFILE(syscall_ntimes);
2067 /*********************************************************************
2068 A version of ftruncate that will write the space on disk if strict
2070 **********************************************************************/
2072 static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, off_t len)
2074 off_t space_to_write;
2075 uint64_t space_avail;
2076 uint64_t bsize,dfree,dsize;
2079 SMB_STRUCT_STAT *pst;
2081 status = vfs_stat_fsp(fsp);
2082 if (!NT_STATUS_IS_OK(status)) {
2085 pst = &fsp->fsp_name->st;
2088 if (S_ISFIFO(pst->st_ex_mode))
2092 if (pst->st_ex_size == len)
2095 /* Shrink - just ftruncate. */
2096 if (pst->st_ex_size > len)
2097 return ftruncate(fsp->fh->fd, len);
2099 space_to_write = len - pst->st_ex_size;
2101 /* for allocation try fallocate first. This can fail on some
2102 platforms e.g. when the filesystem doesn't support it and no
2103 emulation is being done by the libc (like on AIX with JFS1). In that
2104 case we do our own emulation. fallocate implementations can
2105 return ENOTSUP or EINVAL in cases like that. */
2106 ret = SMB_VFS_FALLOCATE(fsp, 0, pst->st_ex_size, space_to_write);
2107 if (ret == -1 && errno == ENOSPC) {
2113 DEBUG(10,("strict_allocate_ftruncate: SMB_VFS_FALLOCATE failed with "
2114 "error %d. Falling back to slow manual allocation\n", errno));
2116 /* available disk space is enough or not? */
2118 get_dfree_info(fsp->conn, fsp->fsp_name, &bsize, &dfree, &dsize);
2119 /* space_avail is 1k blocks */
2120 if (space_avail == (uint64_t)-1 ||
2121 ((uint64_t)space_to_write/1024 > space_avail) ) {
2126 /* Write out the real space on disk. */
2127 ret = vfs_slow_fallocate(fsp, pst->st_ex_size, space_to_write);
2135 static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, off_t len)
2138 SMB_STRUCT_STAT *pst;
2142 START_PROFILE(syscall_ftruncate);
2144 if (lp_strict_allocate(SNUM(fsp->conn)) && !fsp->is_sparse) {
2145 result = strict_allocate_ftruncate(handle, fsp, len);
2146 END_PROFILE(syscall_ftruncate);
2150 /* we used to just check HAVE_FTRUNCATE_EXTEND and only use
2151 ftruncate if the system supports it. Then I discovered that
2152 you can have some filesystems that support ftruncate
2153 expansion and some that don't! On Linux fat can't do
2154 ftruncate extend but ext2 can. */
2156 result = ftruncate(fsp->fh->fd, len);
2158 /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
2159 extend a file with ftruncate. Provide alternate implementation
2162 /* Do an fstat to see if the file is longer than the requested
2163 size in which case the ftruncate above should have
2164 succeeded or shorter, in which case seek to len - 1 and
2165 write 1 byte of zero */
2166 status = vfs_stat_fsp(fsp);
2167 if (!NT_STATUS_IS_OK(status)) {
2171 /* We need to update the files_struct after successful ftruncate */
2176 pst = &fsp->fsp_name->st;
2179 if (S_ISFIFO(pst->st_ex_mode)) {
2185 if (pst->st_ex_size == len) {
2190 if (pst->st_ex_size > len) {
2191 /* the ftruncate should have worked */
2195 if (SMB_VFS_PWRITE(fsp, &c, 1, len-1)!=1) {
2203 END_PROFILE(syscall_ftruncate);
2207 static int vfswrap_fallocate(vfs_handle_struct *handle,
2215 START_PROFILE(syscall_fallocate);
2217 result = sys_posix_fallocate(fsp->fh->fd, offset, len);
2219 * posix_fallocate returns 0 on success, errno on error
2220 * and doesn't set errno. Make it behave like fallocate()
2221 * which returns -1, and sets errno on failure.
2228 /* sys_fallocate handles filtering of unsupported mode flags */
2229 result = sys_fallocate(fsp->fh->fd, mode, offset, len);
2231 END_PROFILE(syscall_fallocate);
2235 static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int op, off_t offset, off_t count, int type)
2239 START_PROFILE(syscall_fcntl_lock);
2241 if (fsp->use_ofd_locks || !lp_parm_bool(SNUM(fsp->conn),
2243 "force process locks",
2245 op = map_process_lock_to_ofd_lock(op, &fsp->use_ofd_locks);
2248 result = fcntl_lock(fsp->fh->fd, op, offset, count, type);
2249 END_PROFILE(syscall_fcntl_lock);
2253 static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
2254 uint32_t share_mode, uint32_t access_mask)
2256 START_PROFILE(syscall_kernel_flock);
2257 kernel_flock(fsp->fh->fd, share_mode, access_mask);
2258 END_PROFILE(syscall_kernel_flock);
2262 static bool vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid)
2267 START_PROFILE(syscall_fcntl_getlock);
2269 if (fsp->use_ofd_locks || !lp_parm_bool(SNUM(fsp->conn),
2271 "force process locks",
2273 op = map_process_lock_to_ofd_lock(op, &fsp->use_ofd_locks);
2276 result = fcntl_getlock(fsp->fh->fd, op, poffset, pcount, ptype, ppid);
2277 END_PROFILE(syscall_fcntl_getlock);
2281 static int vfswrap_linux_setlease(vfs_handle_struct *handle, files_struct *fsp,
2286 START_PROFILE(syscall_linux_setlease);
2288 #ifdef HAVE_KERNEL_OPLOCKS_LINUX
2289 result = linux_setlease(fsp->fh->fd, leasetype);
2293 END_PROFILE(syscall_linux_setlease);
2297 static int vfswrap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
2301 START_PROFILE(syscall_symlink);
2302 result = symlink(oldpath, newpath);
2303 END_PROFILE(syscall_symlink);
2307 static int vfswrap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
2311 START_PROFILE(syscall_readlink);
2312 result = readlink(path, buf, bufsiz);
2313 END_PROFILE(syscall_readlink);
2317 static int vfswrap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
2321 START_PROFILE(syscall_link);
2322 result = link(oldpath, newpath);
2323 END_PROFILE(syscall_link);
2327 static int vfswrap_mknod(vfs_handle_struct *handle, const char *pathname, mode_t mode, SMB_DEV_T dev)
2331 START_PROFILE(syscall_mknod);
2332 result = sys_mknod(pathname, mode, dev);
2333 END_PROFILE(syscall_mknod);
2337 static char *vfswrap_realpath(vfs_handle_struct *handle, const char *path)
2341 START_PROFILE(syscall_realpath);
2342 result = sys_realpath(path);
2343 END_PROFILE(syscall_realpath);
2347 static int vfswrap_chflags(vfs_handle_struct *handle, const char *path,
2351 return chflags(path, flags);
2358 static struct file_id vfswrap_file_id_create(struct vfs_handle_struct *handle,
2359 const SMB_STRUCT_STAT *sbuf)
2363 /* the ZERO_STRUCT ensures padding doesn't break using the key as a
2367 key.devid = sbuf->st_ex_dev;
2368 key.inode = sbuf->st_ex_ino;
2369 /* key.extid is unused by default. */
2374 static NTSTATUS vfswrap_streaminfo(vfs_handle_struct *handle,
2375 struct files_struct *fsp,
2376 const struct smb_filename *smb_fname,
2377 TALLOC_CTX *mem_ctx,
2378 unsigned int *pnum_streams,
2379 struct stream_struct **pstreams)
2381 SMB_STRUCT_STAT sbuf;
2382 struct stream_struct *tmp_streams = NULL;
2385 if ((fsp != NULL) && (fsp->is_directory)) {
2387 * No default streams on directories
2392 if ((fsp != NULL) && (fsp->fh->fd != -1)) {
2393 ret = SMB_VFS_FSTAT(fsp, &sbuf);
2396 struct smb_filename smb_fname_cp;
2398 ZERO_STRUCT(smb_fname_cp);
2399 smb_fname_cp.base_name = discard_const_p(char,
2400 smb_fname->base_name);
2401 smb_fname_cp.flags = smb_fname->flags;
2403 if (smb_fname_cp.flags & SMB_FILENAME_POSIX_PATH) {
2404 ret = SMB_VFS_LSTAT(handle->conn, &smb_fname_cp);
2406 ret = SMB_VFS_STAT(handle->conn, &smb_fname_cp);
2408 sbuf = smb_fname_cp.st;
2412 return map_nt_error_from_unix(errno);
2415 if (S_ISDIR(sbuf.st_ex_mode)) {
2419 tmp_streams = talloc_realloc(mem_ctx, *pstreams, struct stream_struct,
2420 (*pnum_streams) + 1);
2421 if (tmp_streams == NULL) {
2422 return NT_STATUS_NO_MEMORY;
2424 tmp_streams[*pnum_streams].name = talloc_strdup(tmp_streams, "::$DATA");
2425 if (tmp_streams[*pnum_streams].name == NULL) {
2426 return NT_STATUS_NO_MEMORY;
2428 tmp_streams[*pnum_streams].size = sbuf.st_ex_size;
2429 tmp_streams[*pnum_streams].alloc_size = SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp, &sbuf);
2432 *pstreams = tmp_streams;
2434 return NT_STATUS_OK;
2437 static int vfswrap_get_real_filename(struct vfs_handle_struct *handle,
2440 TALLOC_CTX *mem_ctx,
2444 * Don't fall back to get_real_filename so callers can differentiate
2445 * between a full directory scan and an actual case-insensitive stat.
2451 static const char *vfswrap_connectpath(struct vfs_handle_struct *handle,
2454 return handle->conn->connectpath;
2457 static NTSTATUS vfswrap_brl_lock_windows(struct vfs_handle_struct *handle,
2458 struct byte_range_lock *br_lck,
2459 struct lock_struct *plock,
2462 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2464 /* Note: blr is not used in the default implementation. */
2465 return brl_lock_windows_default(br_lck, plock, blocking_lock);
2468 static bool vfswrap_brl_unlock_windows(struct vfs_handle_struct *handle,
2469 struct messaging_context *msg_ctx,
2470 struct byte_range_lock *br_lck,
2471 const struct lock_struct *plock)
2473 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2475 return brl_unlock_windows_default(msg_ctx, br_lck, plock);
2478 static bool vfswrap_brl_cancel_windows(struct vfs_handle_struct *handle,
2479 struct byte_range_lock *br_lck,
2480 struct lock_struct *plock)
2482 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
2484 /* Note: blr is not used in the default implementation. */
2485 return brl_lock_cancel_default(br_lck, plock);
2488 static bool vfswrap_strict_lock(struct vfs_handle_struct *handle,
2490 struct lock_struct *plock)
2492 SMB_ASSERT(plock->lock_type == READ_LOCK ||
2493 plock->lock_type == WRITE_LOCK);
2495 return strict_lock_default(fsp, plock);
2498 static void vfswrap_strict_unlock(struct vfs_handle_struct *handle,
2500 struct lock_struct *plock)
2502 SMB_ASSERT(plock->lock_type == READ_LOCK ||
2503 plock->lock_type == WRITE_LOCK);
2505 strict_unlock_default(fsp, plock);
2508 /* NT ACL operations. */
2510 static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
2512 uint32_t security_info,
2513 TALLOC_CTX *mem_ctx,
2514 struct security_descriptor **ppdesc)
2518 START_PROFILE(fget_nt_acl);
2519 result = posix_fget_nt_acl(fsp, security_info,
2521 END_PROFILE(fget_nt_acl);
2525 static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
2526 const struct smb_filename *smb_fname,
2527 uint32_t security_info,
2528 TALLOC_CTX *mem_ctx,
2529 struct security_descriptor **ppdesc)
2533 START_PROFILE(get_nt_acl);
2534 result = posix_get_nt_acl(handle->conn,
2539 END_PROFILE(get_nt_acl);
2543 static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
2547 START_PROFILE(fset_nt_acl);
2548 result = set_nt_acl(fsp, security_info_sent, psd);
2549 END_PROFILE(fset_nt_acl);
2553 static NTSTATUS vfswrap_audit_file(struct vfs_handle_struct *handle,
2554 struct smb_filename *file,
2555 struct security_acl *sacl,
2556 uint32_t access_requested,
2557 uint32_t access_denied)
2559 return NT_STATUS_OK; /* Nothing to do here ... */
2562 static int vfswrap_chmod_acl(vfs_handle_struct *handle,
2563 const struct smb_filename *smb_fname,
2572 START_PROFILE(chmod_acl);
2573 result = chmod_acl(handle->conn, smb_fname->base_name, mode);
2574 END_PROFILE(chmod_acl);
2579 static int vfswrap_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
2587 START_PROFILE(fchmod_acl);
2588 result = fchmod_acl(fsp, mode);
2589 END_PROFILE(fchmod_acl);
2594 static SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle,
2596 SMB_ACL_TYPE_T type,
2597 TALLOC_CTX *mem_ctx)
2599 return sys_acl_get_file(handle, path_p, type, mem_ctx);
2602 static SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle,
2604 TALLOC_CTX *mem_ctx)
2606 return sys_acl_get_fd(handle, fsp, mem_ctx);
2609 static int vfswrap_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
2611 return sys_acl_set_file(handle, name, acltype, theacl);
2614 static int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
2616 return sys_acl_set_fd(handle, fsp, theacl);
2619 static int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
2621 return sys_acl_delete_def_file(handle, path);
2624 /****************************************************************
2625 Extended attribute operations.
2626 *****************************************************************/
2628 static ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
2630 return getxattr(path, name, value, size);
2633 static ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
2635 return fgetxattr(fsp->fh->fd, name, value, size);
2638 static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
2640 return listxattr(path, list, size);
2643 static ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
2645 return flistxattr(fsp->fh->fd, list, size);
2648 static int vfswrap_removexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
2650 return removexattr(path, name);
2653 static int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
2655 return fremovexattr(fsp->fh->fd, name);
2658 static int vfswrap_setxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
2660 return setxattr(path, name, value, size, flags);
2663 static int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
2665 return fsetxattr(fsp->fh->fd, name, value, size, flags);
2668 static bool vfswrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
2673 static bool vfswrap_is_offline(struct vfs_handle_struct *handle,
2674 const struct smb_filename *fname,
2675 SMB_STRUCT_STAT *sbuf)
2679 bool offline = false;
2681 if (ISDOT(fname->base_name) || ISDOTDOT(fname->base_name)) {
2685 if (!lp_dmapi_support(SNUM(handle->conn)) || !dmapi_have_session()) {
2686 #if defined(ENOTSUP)
2692 status = get_full_smb_filename(talloc_tos(), fname, &path);
2693 if (!NT_STATUS_IS_OK(status)) {
2694 errno = map_errno_from_nt_status(status);
2698 offline = (dmapi_file_flags(path) & FILE_ATTRIBUTE_OFFLINE) != 0;
2705 static NTSTATUS vfswrap_durable_cookie(struct vfs_handle_struct *handle,
2706 struct files_struct *fsp,
2707 TALLOC_CTX *mem_ctx,
2710 return vfs_default_durable_cookie(fsp, mem_ctx, cookie);
2713 static NTSTATUS vfswrap_durable_disconnect(struct vfs_handle_struct *handle,
2714 struct files_struct *fsp,
2715 const DATA_BLOB old_cookie,
2716 TALLOC_CTX *mem_ctx,
2717 DATA_BLOB *new_cookie)
2719 return vfs_default_durable_disconnect(fsp, old_cookie, mem_ctx,
2723 static NTSTATUS vfswrap_durable_reconnect(struct vfs_handle_struct *handle,
2724 struct smb_request *smb1req,
2725 struct smbXsrv_open *op,
2726 const DATA_BLOB old_cookie,
2727 TALLOC_CTX *mem_ctx,
2728 struct files_struct **fsp,
2729 DATA_BLOB *new_cookie)
2731 return vfs_default_durable_reconnect(handle->conn, smb1req, op,
2732 old_cookie, mem_ctx,
2736 static struct vfs_fn_pointers vfs_default_fns = {
2737 /* Disk operations */
2739 .connect_fn = vfswrap_connect,
2740 .disconnect_fn = vfswrap_disconnect,
2741 .disk_free_fn = vfswrap_disk_free,
2742 .get_quota_fn = vfswrap_get_quota,
2743 .set_quota_fn = vfswrap_set_quota,
2744 .get_shadow_copy_data_fn = vfswrap_get_shadow_copy_data,
2745 .statvfs_fn = vfswrap_statvfs,
2746 .fs_capabilities_fn = vfswrap_fs_capabilities,
2747 .get_dfs_referrals_fn = vfswrap_get_dfs_referrals,
2748 .snap_check_path_fn = vfswrap_snap_check_path,
2749 .snap_create_fn = vfswrap_snap_create,
2750 .snap_delete_fn = vfswrap_snap_delete,
2752 /* Directory operations */
2754 .opendir_fn = vfswrap_opendir,
2755 .fdopendir_fn = vfswrap_fdopendir,
2756 .readdir_fn = vfswrap_readdir,
2757 .readdir_attr_fn = vfswrap_readdir_attr,
2758 .seekdir_fn = vfswrap_seekdir,
2759 .telldir_fn = vfswrap_telldir,
2760 .rewind_dir_fn = vfswrap_rewinddir,
2761 .mkdir_fn = vfswrap_mkdir,
2762 .rmdir_fn = vfswrap_rmdir,
2763 .closedir_fn = vfswrap_closedir,
2764 .init_search_op_fn = vfswrap_init_search_op,
2766 /* File operations */
2768 .open_fn = vfswrap_open,
2769 .create_file_fn = vfswrap_create_file,
2770 .close_fn = vfswrap_close,
2771 .read_fn = vfswrap_read,
2772 .pread_fn = vfswrap_pread,
2773 .pread_send_fn = vfswrap_pread_send,
2774 .pread_recv_fn = vfswrap_pread_recv,
2775 .write_fn = vfswrap_write,
2776 .pwrite_fn = vfswrap_pwrite,
2777 .pwrite_send_fn = vfswrap_pwrite_send,
2778 .pwrite_recv_fn = vfswrap_pwrite_recv,
2779 .lseek_fn = vfswrap_lseek,
2780 .sendfile_fn = vfswrap_sendfile,
2781 .recvfile_fn = vfswrap_recvfile,
2782 .rename_fn = vfswrap_rename,
2783 .fsync_fn = vfswrap_fsync,
2784 .fsync_send_fn = vfswrap_fsync_send,
2785 .fsync_recv_fn = vfswrap_fsync_recv,
2786 .stat_fn = vfswrap_stat,
2787 .fstat_fn = vfswrap_fstat,
2788 .lstat_fn = vfswrap_lstat,
2789 .get_alloc_size_fn = vfswrap_get_alloc_size,
2790 .unlink_fn = vfswrap_unlink,
2791 .chmod_fn = vfswrap_chmod,
2792 .fchmod_fn = vfswrap_fchmod,
2793 .chown_fn = vfswrap_chown,
2794 .fchown_fn = vfswrap_fchown,
2795 .lchown_fn = vfswrap_lchown,
2796 .chdir_fn = vfswrap_chdir,
2797 .getwd_fn = vfswrap_getwd,
2798 .ntimes_fn = vfswrap_ntimes,
2799 .ftruncate_fn = vfswrap_ftruncate,
2800 .fallocate_fn = vfswrap_fallocate,
2801 .lock_fn = vfswrap_lock,
2802 .kernel_flock_fn = vfswrap_kernel_flock,
2803 .linux_setlease_fn = vfswrap_linux_setlease,
2804 .getlock_fn = vfswrap_getlock,
2805 .symlink_fn = vfswrap_symlink,
2806 .readlink_fn = vfswrap_readlink,
2807 .link_fn = vfswrap_link,
2808 .mknod_fn = vfswrap_mknod,
2809 .realpath_fn = vfswrap_realpath,
2810 .chflags_fn = vfswrap_chflags,
2811 .file_id_create_fn = vfswrap_file_id_create,
2812 .streaminfo_fn = vfswrap_streaminfo,
2813 .get_real_filename_fn = vfswrap_get_real_filename,
2814 .connectpath_fn = vfswrap_connectpath,
2815 .brl_lock_windows_fn = vfswrap_brl_lock_windows,
2816 .brl_unlock_windows_fn = vfswrap_brl_unlock_windows,
2817 .brl_cancel_windows_fn = vfswrap_brl_cancel_windows,
2818 .strict_lock_fn = vfswrap_strict_lock,
2819 .strict_unlock_fn = vfswrap_strict_unlock,
2820 .translate_name_fn = vfswrap_translate_name,
2821 .fsctl_fn = vfswrap_fsctl,
2822 .set_dos_attributes_fn = vfswrap_set_dos_attributes,
2823 .fset_dos_attributes_fn = vfswrap_fset_dos_attributes,
2824 .get_dos_attributes_fn = vfswrap_get_dos_attributes,
2825 .fget_dos_attributes_fn = vfswrap_fget_dos_attributes,
2826 .copy_chunk_send_fn = vfswrap_copy_chunk_send,
2827 .copy_chunk_recv_fn = vfswrap_copy_chunk_recv,
2828 .get_compression_fn = vfswrap_get_compression,
2829 .set_compression_fn = vfswrap_set_compression,
2831 /* NT ACL operations. */
2833 .fget_nt_acl_fn = vfswrap_fget_nt_acl,
2834 .get_nt_acl_fn = vfswrap_get_nt_acl,
2835 .fset_nt_acl_fn = vfswrap_fset_nt_acl,
2836 .audit_file_fn = vfswrap_audit_file,
2838 /* POSIX ACL operations. */
2840 .chmod_acl_fn = vfswrap_chmod_acl,
2841 .fchmod_acl_fn = vfswrap_fchmod_acl,
2843 .sys_acl_get_file_fn = vfswrap_sys_acl_get_file,
2844 .sys_acl_get_fd_fn = vfswrap_sys_acl_get_fd,
2845 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
2846 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
2847 .sys_acl_set_file_fn = vfswrap_sys_acl_set_file,
2848 .sys_acl_set_fd_fn = vfswrap_sys_acl_set_fd,
2849 .sys_acl_delete_def_file_fn = vfswrap_sys_acl_delete_def_file,
2851 /* EA operations. */
2852 .getxattr_fn = vfswrap_getxattr,
2853 .fgetxattr_fn = vfswrap_fgetxattr,
2854 .listxattr_fn = vfswrap_listxattr,
2855 .flistxattr_fn = vfswrap_flistxattr,
2856 .removexattr_fn = vfswrap_removexattr,
2857 .fremovexattr_fn = vfswrap_fremovexattr,
2858 .setxattr_fn = vfswrap_setxattr,
2859 .fsetxattr_fn = vfswrap_fsetxattr,
2861 /* aio operations */
2862 .aio_force_fn = vfswrap_aio_force,
2864 /* durable handle operations */
2865 .durable_cookie_fn = vfswrap_durable_cookie,
2866 .durable_disconnect_fn = vfswrap_durable_disconnect,
2867 .durable_reconnect_fn = vfswrap_durable_reconnect,
2870 NTSTATUS vfs_default_init(void);
2871 NTSTATUS vfs_default_init(void)
2873 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
2874 DEFAULT_VFS_MODULE_NAME, &vfs_default_fns);