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.
30 #include "system/filesys.h"
32 #include "system/time.h"
33 #include "dlinklist.h"
34 #include "smb_server/smb_server.h"
40 #define CHECK_READ_ONLY(req) do { if (lp_readonly(req->tcon->service)) return NT_STATUS_ACCESS_DENIED; } while (0)
43 static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
45 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
48 return read(__fd, __buf, __nbytes);
53 static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
55 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
58 return write(__fd, __buf, __nbytes);
63 connect to a share - used when a tree_connect operation comes
64 in. For a disk based backend we needs to ensure that the base
65 directory exists (tho it doesn't need to be accessible by the user,
68 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
69 struct smbsrv_request *req, const char *sharename)
72 struct smbsrv_tcon *tcon = req->tcon;
73 struct svfs_private *private;
75 private = talloc(tcon, struct svfs_private);
77 private->next_search_handle = 0;
78 private->connectpath = talloc_strdup(tcon, lp_pathname(tcon->service));
79 private->open_files = NULL;
80 private->search = NULL;
82 /* the directory must exist */
83 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
84 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
85 private->connectpath, sharename));
86 return NT_STATUS_BAD_NETWORK_NAME;
89 tcon->fs_type = talloc_strdup(tcon, "NTFS");
90 tcon->dev_type = talloc_strdup(tcon, "A:");
92 ntvfs->private_data = private;
94 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
100 disconnect from a share
102 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs,
103 struct smbsrv_tcon *tcon)
109 find open file handle given fd
111 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
114 for (f=private->open_files;f;f=f->next) {
123 delete a file - the dirtype specifies the file types to include in the search.
124 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
126 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
127 struct smbsrv_request *req, struct smb_unlink *unl)
131 CHECK_READ_ONLY(req);
133 unix_path = svfs_unix_path(ntvfs, req, unl->in.pattern);
135 /* ignoring wildcards ... */
136 if (unlink(unix_path) == -1) {
137 return map_nt_error_from_unix(errno);
145 ioctl interface - we don't do any
147 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
148 struct smbsrv_request *req, union smb_ioctl *io)
150 return NT_STATUS_INVALID_PARAMETER;
154 check if a directory exists
156 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
157 struct smbsrv_request *req, struct smb_chkpath *cp)
162 unix_path = svfs_unix_path(ntvfs, req, cp->in.path);
164 if (stat(unix_path, &st) == -1) {
165 return map_nt_error_from_unix(errno);
168 if (!S_ISDIR(st.st_mode)) {
169 return NT_STATUS_NOT_A_DIRECTORY;
176 approximately map a struct stat to a generic fileinfo struct
178 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
179 struct smbsrv_request *req, union smb_fileinfo *info,
180 struct stat *st, const char *unix_path)
182 struct svfs_dir *dir = NULL;
183 char *pattern = NULL;
185 const char *s, *short_name;
187 s = strrchr(unix_path, '/');
194 asprintf(&pattern, "%s:*", unix_path);
197 dir = svfs_list_unix(req, req, pattern);
200 unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
201 unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
202 unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
203 unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
204 info->generic.out.alloc_size = st->st_size;
205 info->generic.out.size = st->st_size;
206 info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
207 info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
208 info->generic.out.nlink = st->st_nlink;
209 info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
210 info->generic.out.file_id = svfs_file_id(st);
211 /* REWRITE: TODO stuff in here */
212 info->generic.out.delete_pending = 0;
213 info->generic.out.ea_size = 0;
214 info->generic.out.num_eas = 0;
215 info->generic.out.fname.s = talloc_strdup(req, short_name);
216 info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
217 info->generic.out.compressed_size = 0;
218 info->generic.out.format = 0;
219 info->generic.out.unit_shift = 0;
220 info->generic.out.chunk_shift = 0;
221 info->generic.out.cluster_shift = 0;
223 info->generic.out.access_flags = 0;
224 info->generic.out.position = 0;
225 info->generic.out.mode = 0;
226 info->generic.out.alignment_requirement = 0;
227 info->generic.out.reparse_tag = 0;
228 info->generic.out.num_streams = 0;
229 /* setup a single data stream */
230 info->generic.out.num_streams = 1 + (dir?dir->count:0);
231 info->generic.out.streams = talloc_array(req,
232 struct stream_struct,
233 info->generic.out.num_streams);
234 if (!info->generic.out.streams) {
235 return NT_STATUS_NO_MEMORY;
237 info->generic.out.streams[0].size = st->st_size;
238 info->generic.out.streams[0].alloc_size = st->st_size;
239 info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
241 for (i=0;dir && i<dir->count;i++) {
242 s = strchr(dir->files[i].name, ':');
243 info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
244 info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
245 info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
252 return info on a pathname
254 static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
255 struct smbsrv_request *req, union smb_fileinfo *info)
260 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level));
261 if (info->generic.level != RAW_FILEINFO_GENERIC) {
262 return ntvfs_map_qpathinfo(req, info, ntvfs);
265 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.fname);
266 DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
267 if (stat(unix_path, &st) == -1) {
268 DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
269 return map_nt_error_from_unix(errno);
271 DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
272 return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
276 query info on a open file
278 static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
279 struct smbsrv_request *req, union smb_fileinfo *info)
281 struct svfs_private *private = ntvfs->private_data;
285 if (info->generic.level != RAW_FILEINFO_GENERIC) {
286 return ntvfs_map_qfileinfo(req, info, ntvfs);
289 f = find_fd(private, info->generic.in.fnum);
291 return NT_STATUS_INVALID_HANDLE;
294 if (fstat(info->generic.in.fnum, &st) == -1) {
295 return map_nt_error_from_unix(errno);
298 return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
305 static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
306 struct smbsrv_request *req, union smb_open *io)
308 struct svfs_private *private = ntvfs->private_data;
313 int create_flags, rdwr_flags;
315 if (io->generic.level != RAW_OPEN_GENERIC) {
316 return ntvfs_map_open(req, io, ntvfs);
319 if (lp_readonly(req->tcon->service)) {
321 rdwr_flags = O_RDONLY;
323 create_flags = O_CREAT;
327 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
329 switch (io->generic.in.open_disposition) {
330 case NTCREATEX_DISP_SUPERSEDE:
331 case NTCREATEX_DISP_OVERWRITE_IF:
332 flags = create_flags | O_TRUNC;
334 case NTCREATEX_DISP_OPEN:
335 case NTCREATEX_DISP_OVERWRITE:
338 case NTCREATEX_DISP_CREATE:
339 flags = create_flags | O_EXCL;
341 case NTCREATEX_DISP_OPEN_IF:
342 flags = create_flags;
351 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
352 flags = O_RDONLY | O_DIRECTORY;
353 if (lp_readonly(req->tcon->service)) {
356 switch (io->generic.in.open_disposition) {
357 case NTCREATEX_DISP_CREATE:
358 if (mkdir(unix_path, 0755) == -1) {
359 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
360 return map_nt_error_from_unix(errno);
363 case NTCREATEX_DISP_OPEN_IF:
364 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
365 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
366 return map_nt_error_from_unix(errno);
373 fd = open(unix_path, flags, 0644);
375 return map_nt_error_from_unix(errno);
378 if (fstat(fd, &st) == -1) {
379 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
381 return map_nt_error_from_unix(errno);
384 f = talloc(req->tcon, struct svfs_file);
386 f->name = talloc_strdup(req->tcon, unix_path);
388 DLIST_ADD(private->open_files, f);
390 ZERO_STRUCT(io->generic.out);
392 unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
393 unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
394 unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
395 unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
396 io->generic.out.fnum = fd;
397 io->generic.out.alloc_size = st.st_size;
398 io->generic.out.size = st.st_size;
399 io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
400 io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
408 static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
409 struct smbsrv_request *req, union smb_mkdir *md)
413 CHECK_READ_ONLY(req);
415 if (md->generic.level != RAW_MKDIR_MKDIR) {
416 return NT_STATUS_INVALID_LEVEL;
419 unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
421 if (mkdir(unix_path, 0777) == -1) {
422 return map_nt_error_from_unix(errno);
431 static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
432 struct smbsrv_request *req, struct smb_rmdir *rd)
436 CHECK_READ_ONLY(req);
438 unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
440 if (rmdir(unix_path) == -1) {
441 return map_nt_error_from_unix(errno);
448 rename a set of files
450 static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
451 struct smbsrv_request *req, union smb_rename *ren)
453 char *unix_path1, *unix_path2;
455 CHECK_READ_ONLY(req);
457 if (ren->generic.level != RAW_RENAME_RENAME) {
458 return NT_STATUS_INVALID_LEVEL;
461 unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
462 unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
464 if (rename(unix_path1, unix_path2) == -1) {
465 return map_nt_error_from_unix(errno);
474 static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
475 struct smbsrv_request *req, struct smb_copy *cp)
477 return NT_STATUS_NOT_SUPPORTED;
483 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
484 struct smbsrv_request *req, union smb_read *rd)
488 if (rd->generic.level != RAW_READ_READX) {
489 return NT_STATUS_NOT_SUPPORTED;
492 ret = pread(rd->readx.in.fnum,
495 rd->readx.in.offset);
497 return map_nt_error_from_unix(errno);
500 rd->readx.out.nread = ret;
501 rd->readx.out.remaining = 0; /* should fill this in? */
502 rd->readx.out.compaction_mode = 0;
510 static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
511 struct smbsrv_request *req, union smb_write *wr)
515 if (wr->generic.level != RAW_WRITE_WRITEX) {
516 return ntvfs_map_write(req, wr, ntvfs);
519 CHECK_READ_ONLY(req);
521 ret = pwrite(wr->writex.in.fnum,
524 wr->writex.in.offset);
526 return map_nt_error_from_unix(errno);
529 wr->writex.out.nwritten = ret;
530 wr->writex.out.remaining = 0; /* should fill this in? */
538 static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
539 struct smbsrv_request *req, struct smb_seek *io)
541 return NT_STATUS_NOT_SUPPORTED;
547 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
548 struct smbsrv_request *req, struct smb_flush *io)
557 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
558 struct smbsrv_request *req, union smb_close *io)
560 struct svfs_private *private = ntvfs->private_data;
563 if (io->generic.level != RAW_CLOSE_CLOSE) {
564 /* we need a mapping function */
565 return NT_STATUS_INVALID_LEVEL;
568 f = find_fd(private, io->close.in.fnum);
570 return NT_STATUS_INVALID_HANDLE;
573 if (close(io->close.in.fnum) == -1) {
574 return map_nt_error_from_unix(errno);
577 DLIST_REMOVE(private->open_files, f);
578 talloc_free(f->name);
587 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
588 struct smbsrv_request *req)
590 return NT_STATUS_NOT_SUPPORTED;
594 logoff - closing files
596 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
597 struct smbsrv_request *req)
599 return NT_STATUS_NOT_SUPPORTED;
603 setup for an async call
605 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
606 struct smbsrv_request *req,
615 static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct smbsrv_request *req)
617 return NT_STATUS_UNSUCCESSFUL;
623 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
624 struct smbsrv_request *req, union smb_lock *lck)
626 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
631 set info on a pathname
633 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
634 struct smbsrv_request *req, union smb_setfileinfo *st)
636 CHECK_READ_ONLY(req);
638 return NT_STATUS_NOT_SUPPORTED;
642 set info on a open file
644 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
645 struct smbsrv_request *req,
646 union smb_setfileinfo *info)
648 struct utimbuf unix_times;
651 CHECK_READ_ONLY(req);
653 switch (info->generic.level) {
654 case RAW_SFILEINFO_END_OF_FILE_INFO:
655 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
656 if (ftruncate(info->end_of_file_info.file.fnum,
657 info->end_of_file_info.in.size) == -1) {
658 return map_nt_error_from_unix(errno);
661 case RAW_SFILEINFO_SETATTRE:
662 unix_times.actime = info->setattre.in.access_time;
663 unix_times.modtime = info->setattre.in.write_time;
664 fd = info->setattre.file.fnum;
666 if (unix_times.actime == 0 && unix_times.modtime == 0) {
670 /* set modify time = to access time if modify time was 0 */
671 if (unix_times.actime != 0 && unix_times.modtime == 0) {
672 unix_times.modtime = unix_times.actime;
675 /* Set the date on this file */
676 if (svfs_file_utime(fd, &unix_times) != 0) {
677 return NT_STATUS_ACCESS_DENIED;
681 DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
682 info->generic.level));
683 return NT_STATUS_NOT_IMPLEMENTED;
690 return filesystem space info
692 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
693 struct smbsrv_request *req, union smb_fsinfo *fs)
695 struct svfs_private *private = ntvfs->private_data;
698 if (fs->generic.level != RAW_QFS_GENERIC) {
699 return ntvfs_map_fsinfo(req, fs, ntvfs);
702 if (sys_fsusage(private->connectpath,
703 &fs->generic.out.blocks_free,
704 &fs->generic.out.blocks_total) == -1) {
705 return map_nt_error_from_unix(errno);
708 fs->generic.out.block_size = 512;
710 if (stat(private->connectpath, &st) != 0) {
711 return NT_STATUS_DISK_CORRUPT_ERROR;
714 fs->generic.out.fs_id = st.st_ino;
715 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
716 fs->generic.out.serial_number = st.st_ino;
717 fs->generic.out.fs_attr = 0;
718 fs->generic.out.max_file_component_length = 255;
719 fs->generic.out.device_type = 0;
720 fs->generic.out.device_characteristics = 0;
721 fs->generic.out.quota_soft = 0;
722 fs->generic.out.quota_hard = 0;
723 fs->generic.out.quota_flags = 0;
724 fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(req->tcon->service));
725 fs->generic.out.fs_type = req->tcon->fs_type;
732 return filesystem attribute info
734 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
735 struct smbsrv_request *req, union smb_fsattr *fs)
738 struct svfs_private *private = ntvfs->private_data;
740 if (fs->generic.level != RAW_FSATTR_GENERIC) {
741 return ntvfs_map_fsattr(req, fs, ntvfs);
744 if (stat(private->connectpath, &st) == -1) {
745 return map_nt_error_from_unix(errno);
748 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
749 fs->generic.out.fs_attr =
750 FILE_CASE_PRESERVED_NAMES |
751 FILE_CASE_SENSITIVE_SEARCH |
752 FILE_PERSISTENT_ACLS;
753 fs->generic.out.max_file_component_length = 255;
754 fs->generic.out.serial_number = 1;
755 fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
756 fs->generic.out.volume_name = talloc_strdup(req,
757 lp_servicename(req->tcon->service));
764 return print queue info
766 static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
767 struct smbsrv_request *req, union smb_lpq *lpq)
769 return NT_STATUS_NOT_SUPPORTED;
773 list files in a directory matching a wildcard pattern
775 static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
776 struct smbsrv_request *req, union smb_search_first *io,
777 void *search_private,
778 BOOL (*callback)(void *, union smb_search_data *))
780 struct svfs_dir *dir;
782 struct svfs_private *private = ntvfs->private_data;
783 struct search_state *search;
784 union smb_search_data file;
787 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
788 return NT_STATUS_NOT_SUPPORTED;
791 search = talloc_zero(private, struct search_state);
793 return NT_STATUS_NO_MEMORY;
796 max_count = io->t2ffirst.in.max_count;
798 dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
800 return NT_STATUS_FOOBAR;
803 search->handle = private->next_search_handle;
806 if (dir->count < max_count) {
807 max_count = dir->count;
810 for (i=0; i < max_count;i++) {
812 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
813 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
814 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
815 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
816 file.both_directory_info.name.s = dir->files[i].name;
817 file.both_directory_info.short_name.s = dir->files[i].name;
818 file.both_directory_info.size = dir->files[i].st.st_size;
819 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
821 if (!callback(search_private, &file)) {
826 search->current_index = i;
828 io->t2ffirst.out.count = i;
829 io->t2ffirst.out.handle = search->handle;
830 io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
832 /* work out if we are going to keep the search state */
833 if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
834 ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
837 private->next_search_handle++;
838 DLIST_ADD(private->search, search);
844 /* continue a search */
845 static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
846 struct smbsrv_request *req, union smb_search_next *io,
847 void *search_private,
848 BOOL (*callback)(void *, union smb_search_data *))
850 struct svfs_dir *dir;
852 struct svfs_private *private = ntvfs->private_data;
853 struct search_state *search;
854 union smb_search_data file;
857 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
858 return NT_STATUS_NOT_SUPPORTED;
861 for (search=private->search; search; search = search->next) {
862 if (search->handle == io->t2fnext.in.handle) break;
866 /* we didn't find the search handle */
867 return NT_STATUS_FOOBAR;
872 /* the client might be asking for something other than just continuing
874 if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
875 (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
876 io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
877 /* look backwards first */
878 for (i=search->current_index; i > 0; i--) {
879 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
880 search->current_index = i;
885 /* then look forwards */
886 for (i=search->current_index+1; i <= dir->count; i++) {
887 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
888 search->current_index = i;
895 max_count = search->current_index + io->t2fnext.in.max_count;
897 if (max_count > dir->count) {
898 max_count = dir->count;
901 for (i = search->current_index; i < max_count;i++) {
903 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
904 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
905 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
906 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
907 file.both_directory_info.name.s = dir->files[i].name;
908 file.both_directory_info.short_name.s = dir->files[i].name;
909 file.both_directory_info.size = dir->files[i].st.st_size;
910 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
912 if (!callback(search_private, &file)) {
917 io->t2fnext.out.count = i - search->current_index;
918 io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
920 search->current_index = i;
922 /* work out if we are going to keep the search state */
923 if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
924 ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
925 DLIST_REMOVE(private->search, search);
933 static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
934 struct smbsrv_request *req, union smb_search_close *io)
936 struct svfs_private *private = ntvfs->private_data;
937 struct search_state *search;
939 for (search=private->search; search; search = search->next) {
940 if (search->handle == io->findclose.in.handle) break;
944 /* we didn't find the search handle */
945 return NT_STATUS_FOOBAR;
948 DLIST_REMOVE(private->search, search);
954 /* SMBtrans - not used on file shares */
955 static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
956 struct smbsrv_request *req, struct smb_trans2 *trans2)
958 return NT_STATUS_ACCESS_DENIED;
963 initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
965 NTSTATUS ntvfs_simple_init(void)
968 struct ntvfs_ops ops;
972 /* fill in all the operations */
973 ops.connect = svfs_connect;
974 ops.disconnect = svfs_disconnect;
975 ops.unlink = svfs_unlink;
976 ops.chkpath = svfs_chkpath;
977 ops.qpathinfo = svfs_qpathinfo;
978 ops.setpathinfo = svfs_setpathinfo;
979 ops.openfile = svfs_open;
980 ops.mkdir = svfs_mkdir;
981 ops.rmdir = svfs_rmdir;
982 ops.rename = svfs_rename;
983 ops.copy = svfs_copy;
984 ops.ioctl = svfs_ioctl;
985 ops.read = svfs_read;
986 ops.write = svfs_write;
987 ops.seek = svfs_seek;
988 ops.flush = svfs_flush;
989 ops.close = svfs_close;
990 ops.exit = svfs_exit;
991 ops.lock = svfs_lock;
992 ops.setfileinfo = svfs_setfileinfo;
993 ops.qfileinfo = svfs_qfileinfo;
994 ops.fsinfo = svfs_fsinfo;
996 ops.search_first = svfs_search_first;
997 ops.search_next = svfs_search_next;
998 ops.search_close = svfs_search_close;
999 ops.trans = svfs_trans;
1000 ops.logoff = svfs_logoff;
1001 ops.async_setup = svfs_async_setup;
1002 ops.cancel = svfs_cancel;
1004 /* register ourselves with the NTVFS subsystem. We register
1005 under names 'simple'
1008 ops.type = NTVFS_DISK;
1009 ops.name = "simple";
1010 ret = ntvfs_register(&ops);
1012 if (!NT_STATUS_IS_OK(ret)) {
1013 DEBUG(0,("Failed to register simple backend with name: %s!\n",