2 * Store streams in xattrs
4 * Copyright (C) Volker Lendecke, 2008
6 * Partly based on James Peach's Darwin module, which is
8 * Copyright (C) James Peach 2006-2007
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 3 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, see <http://www.gnu.org/licenses/>.
27 #define DBGC_CLASS DBGC_VFS
34 vfs_handle_struct *handle;
37 static SMB_INO_T stream_inode(const SMB_STRUCT_STAT *sbuf, const char *sname)
39 struct MD5Context ctx;
40 unsigned char hash[16];
44 DEBUG(10, ("stream_inode called for %lu/%lu [%s]\n",
45 (unsigned long)sbuf->st_ex_dev,
46 (unsigned long)sbuf->st_ex_ino, sname));
48 upper_sname = talloc_strdup_upper(talloc_tos(), sname);
49 SMB_ASSERT(upper_sname != NULL);
52 MD5Update(&ctx, (unsigned char *)&(sbuf->st_ex_dev),
53 sizeof(sbuf->st_ex_dev));
54 MD5Update(&ctx, (unsigned char *)&(sbuf->st_ex_ino),
55 sizeof(sbuf->st_ex_ino));
56 MD5Update(&ctx, (unsigned char *)upper_sname,
57 talloc_get_size(upper_sname)-1);
60 TALLOC_FREE(upper_sname);
62 /* Hopefully all the variation is in the lower 4 (or 8) bytes! */
63 memcpy(&result, hash, sizeof(result));
65 DEBUG(10, ("stream_inode returns %lu\n", (unsigned long)result));
70 static ssize_t get_xattr_size(connection_struct *conn,
73 const char *xattr_name)
79 status = get_ea_value(talloc_tos(), conn, fsp, fname,
82 if (!NT_STATUS_IS_OK(status)) {
86 result = ea.value.length-1;
87 TALLOC_FREE(ea.value.data);
92 * Given a stream name, populate xattr_name with the xattr name to use for
93 * accessing the stream.
95 static NTSTATUS streams_xattr_get_name(TALLOC_CTX *ctx,
96 const char *stream_name,
101 stype = strchr_m(stream_name + 1, ':');
103 *xattr_name = talloc_asprintf(ctx, "%s%s",
104 SAMBA_XATTR_DOSSTREAM_PREFIX,
106 if (*xattr_name == NULL) {
107 return NT_STATUS_NO_MEMORY;
111 /* Append an explicit stream type if one wasn't specified. */
112 *xattr_name = talloc_asprintf(ctx, "%s:$DATA",
114 if (*xattr_name == NULL) {
115 return NT_STATUS_NO_MEMORY;
118 /* Normalize the stream type to upercase. */
119 strupper_m(strrchr_m(*xattr_name, ':') + 1);
122 DEBUG(10, ("xattr_name: %s, stream_name: %s\n", *xattr_name,
128 static bool streams_xattr_recheck(struct stream_io *sio)
133 char *xattr_name = NULL;
135 if (sio->fsp->fsp_name == sio->fsp_name_ptr) {
139 status = split_ntfs_stream_name(talloc_tos(), sio->fsp->fsp_name,
141 if (!NT_STATUS_IS_OK(status)) {
146 /* how can this happen */
151 xattr_name = talloc_asprintf(talloc_tos(), "%s%s",
152 SAMBA_XATTR_DOSSTREAM_PREFIX, sname);
153 if (xattr_name == NULL) {
157 TALLOC_FREE(sio->xattr_name);
158 TALLOC_FREE(sio->base);
159 sio->xattr_name = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(sio->handle, sio->fsp),
161 sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(sio->handle, sio->fsp),
163 sio->fsp_name_ptr = sio->fsp->fsp_name;
165 if ((sio->xattr_name == NULL) || (sio->base == NULL)) {
172 static int streams_xattr_fstat(vfs_handle_struct *handle, files_struct *fsp,
173 SMB_STRUCT_STAT *sbuf)
176 struct stream_io *io = (struct stream_io *)
177 VFS_FETCH_FSP_EXTENSION(handle, fsp);
179 DEBUG(10, ("streams_xattr_fstat called for %d\n", fsp->fh->fd));
181 if (io == NULL || fsp->base_fsp == NULL) {
182 return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
185 if (!streams_xattr_recheck(io)) {
189 if (lp_posix_pathnames()) {
190 ret = SMB_VFS_LSTAT(handle->conn, io->base, sbuf);
192 ret = SMB_VFS_STAT(handle->conn, io->base, sbuf);
199 sbuf->st_ex_size = get_xattr_size(handle->conn, fsp->base_fsp,
200 io->base, io->xattr_name);
201 if (sbuf->st_ex_size == -1) {
205 DEBUG(10, ("sbuf->st_ex_size = %d\n", (int)sbuf->st_ex_size));
207 sbuf->st_ex_ino = stream_inode(sbuf, io->xattr_name);
208 sbuf->st_ex_mode &= ~S_IFMT;
209 sbuf->st_ex_mode |= S_IFREG;
210 sbuf->st_ex_blocks = sbuf->st_ex_size % STAT_ST_BLOCKSIZE + 1;
215 static int streams_xattr_stat(vfs_handle_struct *handle, const char *fname,
216 SMB_STRUCT_STAT *sbuf)
219 char *base = NULL, *sname = NULL;
223 if (!is_ntfs_stream_name(fname)) {
224 return SMB_VFS_NEXT_STAT(handle, fname, sbuf);
227 status = split_ntfs_stream_name(talloc_tos(), fname, &base, &sname);
228 if (!NT_STATUS_IS_OK(status)) {
234 return SMB_VFS_NEXT_STAT(handle, base, sbuf);
237 if (SMB_VFS_STAT(handle->conn, base, sbuf) == -1) {
241 xattr_name = talloc_asprintf(talloc_tos(), "%s%s",
242 SAMBA_XATTR_DOSSTREAM_PREFIX, sname);
243 if (xattr_name == NULL) {
248 sbuf->st_ex_size = get_xattr_size(handle->conn, NULL, base, xattr_name);
249 if (sbuf->st_ex_size == -1) {
254 sbuf->st_ex_ino = stream_inode(sbuf, xattr_name);
255 sbuf->st_ex_mode &= ~S_IFMT;
256 sbuf->st_ex_mode |= S_IFREG;
257 sbuf->st_ex_blocks = sbuf->st_ex_size % STAT_ST_BLOCKSIZE + 1;
266 static int streams_xattr_lstat(vfs_handle_struct *handle, const char *fname,
267 SMB_STRUCT_STAT *sbuf)
274 if (!is_ntfs_stream_name(fname)) {
275 return SMB_VFS_NEXT_LSTAT(handle, fname, sbuf);
278 status = split_ntfs_stream_name(talloc_tos(), fname, &base, &sname);
279 if (!NT_STATUS_IS_OK(status)) {
285 return SMB_VFS_NEXT_LSTAT(handle, base, sbuf);
288 if (SMB_VFS_LSTAT(handle->conn, base, sbuf) == -1) {
292 xattr_name = talloc_asprintf(talloc_tos(), "%s%s",
293 SAMBA_XATTR_DOSSTREAM_PREFIX, sname);
294 if (xattr_name == NULL) {
299 sbuf->st_ex_size = get_xattr_size(handle->conn, NULL, base, xattr_name);
300 if (sbuf->st_ex_size == -1) {
305 sbuf->st_ex_ino = stream_inode(sbuf, xattr_name);
306 sbuf->st_ex_mode &= ~S_IFMT;
307 sbuf->st_ex_mode |= S_IFREG;
308 sbuf->st_ex_blocks = sbuf->st_ex_size % STAT_ST_BLOCKSIZE + 1;
317 static int streams_xattr_open(vfs_handle_struct *handle,
318 struct smb_filename *smb_fname,
319 files_struct *fsp, int flags, mode_t mode)
322 struct smb_filename *smb_fname_base = NULL;
323 struct stream_io *sio;
325 char *xattr_name = NULL;
329 DEBUG(10, ("streams_xattr_open called for %s\n",
330 smb_fname_str_dbg(smb_fname)));
332 if (!is_ntfs_stream_smb_fname(smb_fname)) {
333 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
336 /* If the default stream is requested, just open the base file. */
337 if (is_ntfs_default_stream_smb_fname(smb_fname)) {
338 char *tmp_stream_name;
341 tmp_stream_name = smb_fname->stream_name;
342 smb_fname->stream_name = NULL;
344 ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
346 smb_fname->stream_name = tmp_stream_name;
351 status = streams_xattr_get_name(talloc_tos(), smb_fname->stream_name,
353 if (!NT_STATUS_IS_OK(status)) {
354 errno = map_errno_from_nt_status(status);
358 /* Create an smb_filename with stream_name == NULL. */
359 status = create_synthetic_smb_fname(talloc_tos(),
360 smb_fname->base_name,
363 if (!NT_STATUS_IS_OK(status)) {
364 errno = map_errno_from_nt_status(status);
369 * We use baseflags to turn off nasty side-effects when opening the
373 baseflags &= ~O_TRUNC;
374 baseflags &= ~O_EXCL;
375 baseflags &= ~O_CREAT;
377 hostfd = SMB_VFS_OPEN(handle->conn, smb_fname_base, fsp,
380 TALLOC_FREE(smb_fname_base);
382 /* It is legit to open a stream on a directory, but the base
383 * fd has to be read-only.
385 if ((hostfd == -1) && (errno == EISDIR)) {
386 baseflags &= ~O_ACCMODE;
387 baseflags |= O_RDONLY;
388 hostfd = SMB_VFS_OPEN(handle->conn, smb_fname, fsp, baseflags,
396 status = get_ea_value(talloc_tos(), handle->conn, NULL,
397 smb_fname->base_name, xattr_name, &ea);
399 DEBUG(10, ("get_ea_value returned %s\n", nt_errstr(status)));
401 if (!NT_STATUS_IS_OK(status)
402 && !NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
404 * The base file is not there. This is an error even if we got
405 * O_CREAT, the higher levels should have created the base
408 DEBUG(10, ("streams_xattr_open: base file %s not around, "
409 "returning ENOENT\n", smb_fname->base_name));
414 if (!NT_STATUS_IS_OK(status)) {
416 * The attribute does not exist
419 if (flags & O_CREAT) {
421 * Darn, xattrs need at least 1 byte
425 DEBUG(10, ("creating attribute %s on file %s\n",
426 xattr_name, smb_fname->base_name));
428 if (fsp->base_fsp->fh->fd != -1) {
429 if (SMB_VFS_FSETXATTR(
430 fsp->base_fsp, xattr_name,
432 flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
436 if (SMB_VFS_SETXATTR(
437 handle->conn, smb_fname->base_name,
438 xattr_name, &null, sizeof(null),
439 flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
446 if (flags & O_TRUNC) {
448 if (fsp->base_fsp->fh->fd != -1) {
449 if (SMB_VFS_FSETXATTR(
450 fsp->base_fsp, xattr_name,
452 flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
456 if (SMB_VFS_SETXATTR(
457 handle->conn, smb_fname->base_name,
458 xattr_name, &null, sizeof(null),
459 flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
465 sio = (struct stream_io *)VFS_ADD_FSP_EXTENSION(handle, fsp,
473 sio->xattr_name = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
475 sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
476 smb_fname->base_name);
477 sio->fsp_name_ptr = fsp->fsp_name;
478 sio->handle = handle;
481 if ((sio->xattr_name == NULL) || (sio->base == NULL)) {
491 * BUGBUGBUG -- we would need to call fd_close_posix here, but
492 * we don't have a full fsp yet
500 static int streams_xattr_unlink(vfs_handle_struct *handle, const char *fname)
508 if (!is_ntfs_stream_name(fname)) {
509 return SMB_VFS_NEXT_UNLINK(handle, fname);
512 status = split_ntfs_stream_name(talloc_tos(), fname, &base, &sname);
513 if (!NT_STATUS_IS_OK(status)) {
519 return SMB_VFS_NEXT_UNLINK(handle, base);
522 xattr_name = talloc_asprintf(talloc_tos(), "%s%s",
523 SAMBA_XATTR_DOSSTREAM_PREFIX, sname);
524 if (xattr_name == NULL) {
529 ret = SMB_VFS_REMOVEXATTR(handle->conn, base, xattr_name);
531 if ((ret == -1) && (errno == ENOATTR)) {
544 static int streams_xattr_rename(vfs_handle_struct *handle,
549 TALLOC_CTX *frame = NULL;
564 o_is_stream = is_ntfs_stream_name(oldname);
565 n_is_stream = is_ntfs_stream_name(newname);
567 if (!o_is_stream && !n_is_stream) {
568 return SMB_VFS_NEXT_RENAME(handle, oldname, newname);
571 frame = talloc_stackframe();
576 status = split_ntfs_stream_name(talloc_tos(), oldname, &obase, &ostream);
577 if (!NT_STATUS_IS_OK(status)) {
582 status = split_ntfs_stream_name(talloc_tos(), newname, &nbase, &nstream);
583 if (!NT_STATUS_IS_OK(status)) {
588 /*TODO: maybe call SMB_VFS_NEXT_RENAME() both streams are NULL (::$DATA) */
589 if (ostream == NULL) {
594 if (nstream == NULL) {
599 if (StrCaseCmp(ostream, nstream) == 0) {
605 oxattr_name = talloc_asprintf(talloc_tos(), "%s%s",
606 SAMBA_XATTR_DOSSTREAM_PREFIX, ostream);
607 if (oxattr_name == NULL) {
612 nxattr_name = talloc_asprintf(talloc_tos(), "%s%s",
613 SAMBA_XATTR_DOSSTREAM_PREFIX, nstream);
614 if (nxattr_name == NULL) {
619 /* read the old stream */
620 status = get_ea_value(talloc_tos(), handle->conn, NULL,
621 base, oxattr_name, &ea);
622 if (!NT_STATUS_IS_OK(status)) {
627 /* (over)write the new stream */
628 nret = SMB_VFS_SETXATTR(handle->conn, base, nxattr_name,
629 ea.value.data, ea.value.length, 0);
631 if (errno == ENOATTR) {
637 /* remove the old stream */
638 oret = SMB_VFS_REMOVEXATTR(handle->conn, base, oxattr_name);
640 if (errno == ENOATTR) {
654 static NTSTATUS walk_xattr_streams(connection_struct *conn, files_struct *fsp,
656 bool (*fn)(struct ea_struct *ea,
663 size_t prefix_len = strlen(SAMBA_XATTR_DOSSTREAM_PREFIX);
665 status = get_ea_names_from_file(talloc_tos(), conn, fsp, fname,
667 if (!NT_STATUS_IS_OK(status)) {
671 for (i=0; i<num_names; i++) {
674 if (strncmp(names[i], SAMBA_XATTR_DOSSTREAM_PREFIX,
679 status = get_ea_value(names, conn, fsp, fname, names[i], &ea);
680 if (!NT_STATUS_IS_OK(status)) {
681 DEBUG(10, ("Could not get ea %s for file %s: %s\n",
682 names[i], fname, nt_errstr(status)));
686 ea.name = talloc_asprintf(ea.value.data, ":%s",
687 names[i] + prefix_len);
688 if (ea.name == NULL) {
689 DEBUG(0, ("talloc failed\n"));
693 if (!fn(&ea, private_data)) {
694 TALLOC_FREE(ea.value.data);
698 TALLOC_FREE(ea.value.data);
705 static bool add_one_stream(TALLOC_CTX *mem_ctx, unsigned int *num_streams,
706 struct stream_struct **streams,
707 const char *name, SMB_OFF_T size,
708 SMB_OFF_T alloc_size)
710 struct stream_struct *tmp;
712 tmp = TALLOC_REALLOC_ARRAY(mem_ctx, *streams, struct stream_struct,
718 tmp[*num_streams].name = talloc_strdup(tmp, name);
719 if (tmp[*num_streams].name == NULL) {
723 tmp[*num_streams].size = size;
724 tmp[*num_streams].alloc_size = alloc_size;
731 struct streaminfo_state {
733 vfs_handle_struct *handle;
734 unsigned int num_streams;
735 struct stream_struct *streams;
739 static bool collect_one_stream(struct ea_struct *ea, void *private_data)
741 struct streaminfo_state *state =
742 (struct streaminfo_state *)private_data;
744 if (!add_one_stream(state->mem_ctx,
745 &state->num_streams, &state->streams,
746 ea->name, ea->value.length-1,
747 smb_roundup(state->handle->conn,
748 ea->value.length-1))) {
749 state->status = NT_STATUS_NO_MEMORY;
756 static NTSTATUS streams_xattr_streaminfo(vfs_handle_struct *handle,
757 struct files_struct *fsp,
760 unsigned int *pnum_streams,
761 struct stream_struct **pstreams)
763 SMB_STRUCT_STAT sbuf;
766 struct streaminfo_state state;
768 if ((fsp != NULL) && (fsp->fh->fd != -1)) {
769 if (is_ntfs_stream_name(fsp->fsp_name)) {
770 return NT_STATUS_INVALID_PARAMETER;
772 ret = SMB_VFS_FSTAT(fsp, &sbuf);
775 if (is_ntfs_stream_name(fname)) {
776 return NT_STATUS_INVALID_PARAMETER;
778 if (lp_posix_pathnames()) {
779 ret = SMB_VFS_LSTAT(handle->conn, fname, &sbuf);
781 ret = SMB_VFS_STAT(handle->conn, fname, &sbuf);
786 return map_nt_error_from_unix(errno);
789 state.streams = NULL;
790 state.num_streams = 0;
792 if (!S_ISDIR(sbuf.st_ex_mode)) {
793 if (!add_one_stream(mem_ctx,
794 &state.num_streams, &state.streams,
795 "::$DATA", sbuf.st_ex_size,
796 SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp,
798 return NT_STATUS_NO_MEMORY;
802 state.mem_ctx = mem_ctx;
803 state.handle = handle;
804 state.status = NT_STATUS_OK;
806 status = walk_xattr_streams(handle->conn, fsp, fname,
807 collect_one_stream, &state);
809 if (!NT_STATUS_IS_OK(status)) {
810 TALLOC_FREE(state.streams);
814 if (!NT_STATUS_IS_OK(state.status)) {
815 TALLOC_FREE(state.streams);
819 *pnum_streams = state.num_streams;
820 *pstreams = state.streams;
824 static uint32_t streams_xattr_fs_capabilities(struct vfs_handle_struct *handle)
826 return SMB_VFS_NEXT_FS_CAPABILITIES(handle) | FILE_NAMED_STREAMS;
829 static ssize_t streams_xattr_pwrite(vfs_handle_struct *handle,
830 files_struct *fsp, const void *data,
831 size_t n, SMB_OFF_T offset)
833 struct stream_io *sio =
834 (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
839 DEBUG(10, ("streams_xattr_pwrite called for %d bytes\n", (int)n));
842 return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
845 if (!streams_xattr_recheck(sio)) {
849 status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
850 sio->base, sio->xattr_name, &ea);
851 if (!NT_STATUS_IS_OK(status)) {
855 if ((offset + n) > ea.value.length-1) {
858 tmp = TALLOC_REALLOC_ARRAY(talloc_tos(), ea.value.data, uint8,
862 TALLOC_FREE(ea.value.data);
867 ea.value.length = offset + n + 1;
868 ea.value.data[offset+n] = 0;
871 memcpy(ea.value.data + offset, data, n);
873 if (fsp->base_fsp->fh->fd != -1) {
874 ret = SMB_VFS_FSETXATTR(fsp->base_fsp,
876 ea.value.data, ea.value.length, 0);
878 ret = SMB_VFS_SETXATTR(fsp->conn, fsp->base_fsp->fsp_name,
880 ea.value.data, ea.value.length, 0);
882 TALLOC_FREE(ea.value.data);
891 static ssize_t streams_xattr_pread(vfs_handle_struct *handle,
892 files_struct *fsp, void *data,
893 size_t n, SMB_OFF_T offset)
895 struct stream_io *sio =
896 (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
899 size_t length, overlap;
902 return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
905 if (!streams_xattr_recheck(sio)) {
909 status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
910 sio->base, sio->xattr_name, &ea);
911 if (!NT_STATUS_IS_OK(status)) {
915 length = ea.value.length-1;
917 /* Attempt to read past EOF. */
918 if (length <= offset) {
923 overlap = (offset + n) > length ? (length - offset) : n;
924 memcpy(data, ea.value.data + offset, overlap);
926 TALLOC_FREE(ea.value.data);
930 static int streams_xattr_ftruncate(struct vfs_handle_struct *handle,
931 struct files_struct *fsp,
938 struct stream_io *sio =
939 (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
941 DEBUG(10, ("streams_xattr_ftruncate called for file %s offset %.0f\n",
946 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
949 if (!streams_xattr_recheck(sio)) {
953 status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
954 sio->base, sio->xattr_name, &ea);
955 if (!NT_STATUS_IS_OK(status)) {
959 tmp = TALLOC_REALLOC_ARRAY(talloc_tos(), ea.value.data, uint8,
963 TALLOC_FREE(ea.value.data);
968 /* Did we expand ? */
969 if (ea.value.length < offset + 1) {
970 memset(&tmp[ea.value.length], '\0',
971 offset + 1 - ea.value.length);
975 ea.value.length = offset + 1;
976 ea.value.data[offset] = 0;
978 if (fsp->base_fsp->fh->fd != -1) {
979 ret = SMB_VFS_FSETXATTR(fsp->base_fsp,
981 ea.value.data, ea.value.length, 0);
983 ret = SMB_VFS_SETXATTR(fsp->conn, fsp->base_fsp->fsp_name,
985 ea.value.data, ea.value.length, 0);
988 TALLOC_FREE(ea.value.data);
997 /* VFS operations structure */
999 static vfs_op_tuple streams_xattr_ops[] = {
1000 {SMB_VFS_OP(streams_xattr_fs_capabilities), SMB_VFS_OP_FS_CAPABILITIES,
1001 SMB_VFS_LAYER_TRANSPARENT},
1002 {SMB_VFS_OP(streams_xattr_open), SMB_VFS_OP_OPEN,
1003 SMB_VFS_LAYER_TRANSPARENT},
1004 {SMB_VFS_OP(streams_xattr_stat), SMB_VFS_OP_STAT,
1005 SMB_VFS_LAYER_TRANSPARENT},
1006 {SMB_VFS_OP(streams_xattr_fstat), SMB_VFS_OP_FSTAT,
1007 SMB_VFS_LAYER_TRANSPARENT},
1008 {SMB_VFS_OP(streams_xattr_lstat), SMB_VFS_OP_LSTAT,
1009 SMB_VFS_LAYER_TRANSPARENT},
1010 {SMB_VFS_OP(streams_xattr_pread), SMB_VFS_OP_PREAD,
1011 SMB_VFS_LAYER_TRANSPARENT},
1012 {SMB_VFS_OP(streams_xattr_pwrite), SMB_VFS_OP_PWRITE,
1013 SMB_VFS_LAYER_TRANSPARENT},
1014 {SMB_VFS_OP(streams_xattr_unlink), SMB_VFS_OP_UNLINK,
1015 SMB_VFS_LAYER_TRANSPARENT},
1016 {SMB_VFS_OP(streams_xattr_rename), SMB_VFS_OP_RENAME,
1017 SMB_VFS_LAYER_TRANSPARENT},
1018 {SMB_VFS_OP(streams_xattr_ftruncate), SMB_VFS_OP_FTRUNCATE,
1019 SMB_VFS_LAYER_TRANSPARENT},
1020 {SMB_VFS_OP(streams_xattr_streaminfo), SMB_VFS_OP_STREAMINFO,
1021 SMB_VFS_LAYER_OPAQUE},
1022 {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP}
1025 NTSTATUS vfs_streams_xattr_init(void);
1026 NTSTATUS vfs_streams_xattr_init(void)
1028 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "streams_xattr",