2 Unix SMB/CIFS implementation.
4 simple NTVFS filesystem backend
6 Copyright (C) Andrew Tridgell 2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 this implements a very simple NTVFS filesystem backend.
25 this backend largely ignores the POSIX -> CIFS mappings, just doing absolutely
26 minimal work to give a working backend.
31 #include "system/time.h"
32 #include "dlinklist.h"
33 #include "smb_server/smb_server.h"
39 #define CHECK_READ_ONLY(req) do { if (lp_readonly(req->tcon->service)) return NT_STATUS_ACCESS_DENIED; } while (0)
42 static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
44 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
47 return read(__fd, __buf, __nbytes);
52 static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
54 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
57 return write(__fd, __buf, __nbytes);
62 connect to a share - used when a tree_connect operation comes
63 in. For a disk based backend we needs to ensure that the base
64 directory exists (tho it doesn't need to be accessible by the user,
67 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
68 struct smbsrv_request *req, const char *sharename)
71 struct smbsrv_tcon *tcon = req->tcon;
72 struct svfs_private *private;
74 private = talloc_p(tcon, struct svfs_private);
76 private->next_search_handle = 0;
77 private->connectpath = talloc_strdup(tcon, lp_pathname(tcon->service));
78 private->open_files = NULL;
79 private->search = NULL;
81 /* the directory must exist */
82 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
83 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
84 private->connectpath, sharename));
85 return NT_STATUS_BAD_NETWORK_NAME;
88 tcon->fs_type = talloc_strdup(tcon, "NTFS");
89 tcon->dev_type = talloc_strdup(tcon, "A:");
91 ntvfs->private_data = private;
93 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
99 disconnect from a share
101 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs,
102 struct smbsrv_tcon *tcon)
108 find open file handle given fd
110 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
113 for (f=private->open_files;f;f=f->next) {
122 delete a file - the dirtype specifies the file types to include in the search.
123 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
125 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
126 struct smbsrv_request *req, struct smb_unlink *unl)
130 CHECK_READ_ONLY(req);
132 unix_path = svfs_unix_path(ntvfs, req, unl->in.pattern);
134 /* ignoring wildcards ... */
135 if (unlink(unix_path) == -1) {
136 return map_nt_error_from_unix(errno);
144 ioctl interface - we don't do any
146 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
147 struct smbsrv_request *req, union smb_ioctl *io)
149 return NT_STATUS_INVALID_PARAMETER;
153 check if a directory exists
155 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
156 struct smbsrv_request *req, struct smb_chkpath *cp)
161 unix_path = svfs_unix_path(ntvfs, req, cp->in.path);
163 if (stat(unix_path, &st) == -1) {
164 return map_nt_error_from_unix(errno);
167 if (!S_ISDIR(st.st_mode)) {
168 return NT_STATUS_NOT_A_DIRECTORY;
175 approximately map a struct stat to a generic fileinfo struct
177 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
178 struct smbsrv_request *req, union smb_fileinfo *info,
179 struct stat *st, const char *unix_path)
181 struct svfs_dir *dir = NULL;
182 char *pattern = NULL;
184 const char *s, *short_name;
186 s = strrchr(unix_path, '/');
193 asprintf(&pattern, "%s:*", unix_path);
196 dir = svfs_list_unix(req, req, pattern);
199 unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
200 unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
201 unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
202 unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
203 info->generic.out.alloc_size = st->st_size;
204 info->generic.out.size = st->st_size;
205 info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
206 info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
207 info->generic.out.nlink = st->st_nlink;
208 info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
209 info->generic.out.file_id = svfs_file_id(st);
210 /* REWRITE: TODO stuff in here */
211 info->generic.out.delete_pending = 0;
212 info->generic.out.ea_size = 0;
213 info->generic.out.num_eas = 0;
214 info->generic.out.fname.s = talloc_strdup(req, short_name);
215 info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
216 info->generic.out.compressed_size = 0;
217 info->generic.out.format = 0;
218 info->generic.out.unit_shift = 0;
219 info->generic.out.chunk_shift = 0;
220 info->generic.out.cluster_shift = 0;
222 info->generic.out.access_flags = 0;
223 info->generic.out.position = 0;
224 info->generic.out.mode = 0;
225 info->generic.out.alignment_requirement = 0;
226 info->generic.out.reparse_tag = 0;
227 info->generic.out.num_streams = 0;
228 /* setup a single data stream */
229 info->generic.out.num_streams = 1 + (dir?dir->count:0);
230 info->generic.out.streams = talloc_array_p(req,
231 struct stream_struct,
232 info->generic.out.num_streams);
233 if (!info->generic.out.streams) {
234 return NT_STATUS_NO_MEMORY;
236 info->generic.out.streams[0].size = st->st_size;
237 info->generic.out.streams[0].alloc_size = st->st_size;
238 info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
240 for (i=0;dir && i<dir->count;i++) {
241 s = strchr(dir->files[i].name, ':');
242 info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
243 info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
244 info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
251 return info on a pathname
253 static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
254 struct smbsrv_request *req, union smb_fileinfo *info)
259 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level));
260 if (info->generic.level != RAW_FILEINFO_GENERIC) {
261 return ntvfs_map_qpathinfo(req, info, ntvfs);
264 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.fname);
265 DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
266 if (stat(unix_path, &st) == -1) {
267 DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
268 return map_nt_error_from_unix(errno);
270 DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
271 return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
275 query info on a open file
277 static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
278 struct smbsrv_request *req, union smb_fileinfo *info)
280 struct svfs_private *private = ntvfs->private_data;
284 if (info->generic.level != RAW_FILEINFO_GENERIC) {
285 return ntvfs_map_qfileinfo(req, info, ntvfs);
288 f = find_fd(private, info->generic.in.fnum);
290 return NT_STATUS_INVALID_HANDLE;
293 if (fstat(info->generic.in.fnum, &st) == -1) {
294 return map_nt_error_from_unix(errno);
297 return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
304 static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
305 struct smbsrv_request *req, union smb_open *io)
307 struct svfs_private *private = ntvfs->private_data;
312 int create_flags, rdwr_flags;
314 if (io->generic.level != RAW_OPEN_GENERIC) {
315 return ntvfs_map_open(req, io, ntvfs);
318 if (lp_readonly(req->tcon->service)) {
320 rdwr_flags = O_RDONLY;
322 create_flags = O_CREAT;
326 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
328 switch (io->generic.in.open_disposition) {
329 case NTCREATEX_DISP_SUPERSEDE:
330 case NTCREATEX_DISP_OVERWRITE_IF:
331 flags = create_flags | O_TRUNC;
333 case NTCREATEX_DISP_OPEN:
334 case NTCREATEX_DISP_OVERWRITE:
337 case NTCREATEX_DISP_CREATE:
338 flags = create_flags | O_EXCL;
340 case NTCREATEX_DISP_OPEN_IF:
341 flags = create_flags;
350 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
351 flags = O_RDONLY | O_DIRECTORY;
352 if (lp_readonly(req->tcon->service)) {
355 switch (io->generic.in.open_disposition) {
356 case NTCREATEX_DISP_CREATE:
357 if (mkdir(unix_path, 0755) == -1) {
358 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
359 return map_nt_error_from_unix(errno);
362 case NTCREATEX_DISP_OPEN_IF:
363 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
364 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
365 return map_nt_error_from_unix(errno);
372 fd = open(unix_path, flags, 0644);
374 return map_nt_error_from_unix(errno);
377 if (fstat(fd, &st) == -1) {
378 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
380 return map_nt_error_from_unix(errno);
383 f = talloc_p(req->tcon, struct svfs_file);
385 f->name = talloc_strdup(req->tcon, unix_path);
387 DLIST_ADD(private->open_files, f);
389 ZERO_STRUCT(io->generic.out);
391 unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
392 unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
393 unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
394 unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
395 io->generic.out.fnum = fd;
396 io->generic.out.alloc_size = st.st_size;
397 io->generic.out.size = st.st_size;
398 io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
399 io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
407 static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
408 struct smbsrv_request *req, union smb_mkdir *md)
412 CHECK_READ_ONLY(req);
414 if (md->generic.level != RAW_MKDIR_MKDIR) {
415 return NT_STATUS_INVALID_LEVEL;
418 unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
420 if (mkdir(unix_path, 0777) == -1) {
421 return map_nt_error_from_unix(errno);
430 static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
431 struct smbsrv_request *req, struct smb_rmdir *rd)
435 CHECK_READ_ONLY(req);
437 unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
439 if (rmdir(unix_path) == -1) {
440 return map_nt_error_from_unix(errno);
447 rename a set of files
449 static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
450 struct smbsrv_request *req, union smb_rename *ren)
452 char *unix_path1, *unix_path2;
454 CHECK_READ_ONLY(req);
456 if (ren->generic.level != RAW_RENAME_RENAME) {
457 return NT_STATUS_INVALID_LEVEL;
460 unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
461 unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
463 if (rename(unix_path1, unix_path2) == -1) {
464 return map_nt_error_from_unix(errno);
473 static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
474 struct smbsrv_request *req, struct smb_copy *cp)
476 return NT_STATUS_NOT_SUPPORTED;
482 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
483 struct smbsrv_request *req, union smb_read *rd)
487 if (rd->generic.level != RAW_READ_READX) {
488 return NT_STATUS_NOT_SUPPORTED;
491 ret = pread(rd->readx.in.fnum,
494 rd->readx.in.offset);
496 return map_nt_error_from_unix(errno);
499 rd->readx.out.nread = ret;
500 rd->readx.out.remaining = 0; /* should fill this in? */
501 rd->readx.out.compaction_mode = 0;
509 static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
510 struct smbsrv_request *req, union smb_write *wr)
514 if (wr->generic.level != RAW_WRITE_WRITEX) {
515 return ntvfs_map_write(req, wr, ntvfs);
518 CHECK_READ_ONLY(req);
520 ret = pwrite(wr->writex.in.fnum,
523 wr->writex.in.offset);
525 return map_nt_error_from_unix(errno);
528 wr->writex.out.nwritten = ret;
529 wr->writex.out.remaining = 0; /* should fill this in? */
537 static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
538 struct smbsrv_request *req, struct smb_seek *io)
540 return NT_STATUS_NOT_SUPPORTED;
546 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
547 struct smbsrv_request *req, struct smb_flush *io)
556 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
557 struct smbsrv_request *req, union smb_close *io)
559 struct svfs_private *private = ntvfs->private_data;
562 if (io->generic.level != RAW_CLOSE_CLOSE) {
563 /* we need a mapping function */
564 return NT_STATUS_INVALID_LEVEL;
567 f = find_fd(private, io->close.in.fnum);
569 return NT_STATUS_INVALID_HANDLE;
572 if (close(io->close.in.fnum) == -1) {
573 return map_nt_error_from_unix(errno);
576 DLIST_REMOVE(private->open_files, f);
577 talloc_free(f->name);
586 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
587 struct smbsrv_request *req)
589 return NT_STATUS_NOT_SUPPORTED;
593 logoff - closing files
595 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
596 struct smbsrv_request *req)
598 return NT_STATUS_NOT_SUPPORTED;
602 setup for an async call
604 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
605 struct smbsrv_request *req,
614 static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct smbsrv_request *req)
616 return NT_STATUS_UNSUCCESSFUL;
622 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
623 struct smbsrv_request *req, union smb_lock *lck)
625 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
630 set info on a pathname
632 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
633 struct smbsrv_request *req, union smb_setfileinfo *st)
635 CHECK_READ_ONLY(req);
637 return NT_STATUS_NOT_SUPPORTED;
641 set info on a open file
643 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
644 struct smbsrv_request *req,
645 union smb_setfileinfo *info)
647 struct utimbuf unix_times;
650 CHECK_READ_ONLY(req);
652 switch (info->generic.level) {
653 case RAW_SFILEINFO_END_OF_FILE_INFO:
654 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
655 if (ftruncate(info->end_of_file_info.file.fnum,
656 info->end_of_file_info.in.size) == -1) {
657 return map_nt_error_from_unix(errno);
660 case RAW_SFILEINFO_SETATTRE:
661 unix_times.actime = info->setattre.in.access_time;
662 unix_times.modtime = info->setattre.in.write_time;
663 fd = info->setattre.file.fnum;
665 if (unix_times.actime == 0 && unix_times.modtime == 0) {
669 /* set modify time = to access time if modify time was 0 */
670 if (unix_times.actime != 0 && unix_times.modtime == 0) {
671 unix_times.modtime = unix_times.actime;
674 /* Set the date on this file */
675 if (svfs_file_utime(fd, &unix_times) != 0) {
676 return NT_STATUS_ACCESS_DENIED;
680 DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
681 info->generic.level));
682 return NT_STATUS_NOT_IMPLEMENTED;
689 return filesystem space info
691 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
692 struct smbsrv_request *req, union smb_fsinfo *fs)
694 struct svfs_private *private = ntvfs->private_data;
697 if (fs->generic.level != RAW_QFS_GENERIC) {
698 return ntvfs_map_fsinfo(req, fs, ntvfs);
701 if (sys_fsusage(private->connectpath,
702 &fs->generic.out.blocks_free,
703 &fs->generic.out.blocks_total) == -1) {
704 return map_nt_error_from_unix(errno);
707 fs->generic.out.block_size = 512;
709 if (stat(private->connectpath, &st) != 0) {
710 return NT_STATUS_DISK_CORRUPT_ERROR;
713 fs->generic.out.fs_id = st.st_ino;
714 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
715 fs->generic.out.serial_number = st.st_ino;
716 fs->generic.out.fs_attr = 0;
717 fs->generic.out.max_file_component_length = 255;
718 fs->generic.out.device_type = 0;
719 fs->generic.out.device_characteristics = 0;
720 fs->generic.out.quota_soft = 0;
721 fs->generic.out.quota_hard = 0;
722 fs->generic.out.quota_flags = 0;
723 fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(req->tcon->service));
724 fs->generic.out.fs_type = req->tcon->fs_type;
731 return filesystem attribute info
733 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
734 struct smbsrv_request *req, union smb_fsattr *fs)
737 struct svfs_private *private = ntvfs->private_data;
739 if (fs->generic.level != RAW_FSATTR_GENERIC) {
740 return ntvfs_map_fsattr(req, fs, ntvfs);
743 if (stat(private->connectpath, &st) == -1) {
744 return map_nt_error_from_unix(errno);
747 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
748 fs->generic.out.fs_attr =
749 FILE_CASE_PRESERVED_NAMES |
750 FILE_CASE_SENSITIVE_SEARCH |
751 FILE_PERSISTENT_ACLS;
752 fs->generic.out.max_file_component_length = 255;
753 fs->generic.out.serial_number = 1;
754 fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
755 fs->generic.out.volume_name = talloc_strdup(req,
756 lp_servicename(req->tcon->service));
763 return print queue info
765 static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
766 struct smbsrv_request *req, union smb_lpq *lpq)
768 return NT_STATUS_NOT_SUPPORTED;
772 list files in a directory matching a wildcard pattern
774 static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
775 struct smbsrv_request *req, union smb_search_first *io,
776 void *search_private,
777 BOOL (*callback)(void *, union smb_search_data *))
779 struct svfs_dir *dir;
781 struct svfs_private *private = ntvfs->private_data;
782 struct search_state *search;
783 union smb_search_data file;
786 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
787 return NT_STATUS_NOT_SUPPORTED;
790 search = talloc_zero_p(private, struct search_state);
792 return NT_STATUS_NO_MEMORY;
795 max_count = io->t2ffirst.in.max_count;
797 dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
799 return NT_STATUS_FOOBAR;
802 search->handle = private->next_search_handle;
805 if (dir->count < max_count) {
806 max_count = dir->count;
809 for (i=0; i < max_count;i++) {
811 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
812 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
813 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
814 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
815 file.both_directory_info.name.s = dir->files[i].name;
816 file.both_directory_info.short_name.s = dir->files[i].name;
817 file.both_directory_info.size = dir->files[i].st.st_size;
818 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
820 if (!callback(search_private, &file)) {
825 search->current_index = i;
827 io->t2ffirst.out.count = i;
828 io->t2ffirst.out.handle = search->handle;
829 io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
831 /* work out if we are going to keep the search state */
832 if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
833 ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
836 private->next_search_handle++;
837 DLIST_ADD(private->search, search);
843 /* continue a search */
844 static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
845 struct smbsrv_request *req, union smb_search_next *io,
846 void *search_private,
847 BOOL (*callback)(void *, union smb_search_data *))
849 struct svfs_dir *dir;
851 struct svfs_private *private = ntvfs->private_data;
852 struct search_state *search;
853 union smb_search_data file;
856 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
857 return NT_STATUS_NOT_SUPPORTED;
860 for (search=private->search; search; search = search->next) {
861 if (search->handle == io->t2fnext.in.handle) break;
865 /* we didn't find the search handle */
866 return NT_STATUS_FOOBAR;
871 /* the client might be asking for something other than just continuing
873 if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
874 (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
875 io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
876 /* look backwards first */
877 for (i=search->current_index; i > 0; i--) {
878 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
879 search->current_index = i;
884 /* then look forwards */
885 for (i=search->current_index+1; i <= dir->count; i++) {
886 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
887 search->current_index = i;
894 max_count = search->current_index + io->t2fnext.in.max_count;
896 if (max_count > dir->count) {
897 max_count = dir->count;
900 for (i = search->current_index; i < max_count;i++) {
902 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
903 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
904 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
905 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
906 file.both_directory_info.name.s = dir->files[i].name;
907 file.both_directory_info.short_name.s = dir->files[i].name;
908 file.both_directory_info.size = dir->files[i].st.st_size;
909 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
911 if (!callback(search_private, &file)) {
916 io->t2fnext.out.count = i - search->current_index;
917 io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
919 search->current_index = i;
921 /* work out if we are going to keep the search state */
922 if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
923 ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
924 DLIST_REMOVE(private->search, search);
932 static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
933 struct smbsrv_request *req, union smb_search_close *io)
935 struct svfs_private *private = ntvfs->private_data;
936 struct search_state *search;
938 for (search=private->search; search; search = search->next) {
939 if (search->handle == io->findclose.in.handle) break;
943 /* we didn't find the search handle */
944 return NT_STATUS_FOOBAR;
947 DLIST_REMOVE(private->search, search);
953 /* SMBtrans - not used on file shares */
954 static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
955 struct smbsrv_request *req, struct smb_trans2 *trans2)
957 return NT_STATUS_ACCESS_DENIED;
962 initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
964 NTSTATUS ntvfs_simple_init(void)
967 struct ntvfs_ops ops;
971 /* fill in all the operations */
972 ops.connect = svfs_connect;
973 ops.disconnect = svfs_disconnect;
974 ops.unlink = svfs_unlink;
975 ops.chkpath = svfs_chkpath;
976 ops.qpathinfo = svfs_qpathinfo;
977 ops.setpathinfo = svfs_setpathinfo;
978 ops.openfile = svfs_open;
979 ops.mkdir = svfs_mkdir;
980 ops.rmdir = svfs_rmdir;
981 ops.rename = svfs_rename;
982 ops.copy = svfs_copy;
983 ops.ioctl = svfs_ioctl;
984 ops.read = svfs_read;
985 ops.write = svfs_write;
986 ops.seek = svfs_seek;
987 ops.flush = svfs_flush;
988 ops.close = svfs_close;
989 ops.exit = svfs_exit;
990 ops.lock = svfs_lock;
991 ops.setfileinfo = svfs_setfileinfo;
992 ops.qfileinfo = svfs_qfileinfo;
993 ops.fsinfo = svfs_fsinfo;
995 ops.search_first = svfs_search_first;
996 ops.search_next = svfs_search_next;
997 ops.search_close = svfs_search_close;
998 ops.trans = svfs_trans;
999 ops.logoff = svfs_logoff;
1000 ops.async_setup = svfs_async_setup;
1001 ops.cancel = svfs_cancel;
1003 /* register ourselves with the NTVFS subsystem. We register
1004 under names 'simple'
1007 ops.type = NTVFS_DISK;
1008 ops.name = "simple";
1009 ret = register_backend("ntvfs", &ops);
1011 if (!NT_STATUS_IS_OK(ret)) {
1012 DEBUG(0,("Failed to register simple backend with name: %s!\n",