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.
36 #define CHECK_READ_ONLY(req) do { if (lp_readonly(req->tcon->service)) return NT_STATUS_ACCESS_DENIED; } while (0)
39 static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
41 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
44 return read(__fd, __buf, __nbytes);
49 static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
51 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
54 return write(__fd, __buf, __nbytes);
59 connect to a share - used when a tree_connect operation comes
60 in. For a disk based backend we needs to ensure that the base
61 directory exists (tho it doesn't need to be accessible by the user,
64 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
65 struct smbsrv_request *req, const char *sharename)
68 struct smbsrv_tcon *tcon = req->tcon;
69 struct svfs_private *private;
71 private = talloc_p(tcon, struct svfs_private);
73 private->next_search_handle = 0;
74 private->connectpath = talloc_strdup(tcon, lp_pathname(tcon->service));
75 private->open_files = NULL;
76 private->search = NULL;
78 /* the directory must exist */
79 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
80 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
81 private->connectpath, sharename));
82 return NT_STATUS_BAD_NETWORK_NAME;
85 tcon->fs_type = talloc_strdup(tcon, "NTFS");
86 tcon->dev_type = talloc_strdup(tcon, "A:");
88 ntvfs->private_data = private;
90 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
96 disconnect from a share
98 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs,
99 struct smbsrv_tcon *tcon)
105 find open file handle given fd
107 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
110 for (f=private->open_files;f;f=f->next) {
119 delete a file - the dirtype specifies the file types to include in the search.
120 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
122 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
123 struct smbsrv_request *req, struct smb_unlink *unl)
127 CHECK_READ_ONLY(req);
129 unix_path = svfs_unix_path(ntvfs, req, unl->in.pattern);
131 /* ignoring wildcards ... */
132 if (unlink(unix_path) == -1) {
133 return map_nt_error_from_unix(errno);
141 ioctl interface - we don't do any
143 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
144 struct smbsrv_request *req, union smb_ioctl *io)
146 return NT_STATUS_INVALID_PARAMETER;
150 check if a directory exists
152 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
153 struct smbsrv_request *req, struct smb_chkpath *cp)
158 unix_path = svfs_unix_path(ntvfs, req, cp->in.path);
160 if (stat(unix_path, &st) == -1) {
161 return map_nt_error_from_unix(errno);
164 if (!S_ISDIR(st.st_mode)) {
165 return NT_STATUS_NOT_A_DIRECTORY;
172 approximately map a struct stat to a generic fileinfo struct
174 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
175 struct smbsrv_request *req, union smb_fileinfo *info,
176 struct stat *st, const char *unix_path)
178 struct svfs_dir *dir = NULL;
179 char *pattern = NULL;
181 const char *s, *short_name;
183 s = strrchr(unix_path, '/');
190 asprintf(&pattern, "%s:*", unix_path);
193 dir = svfs_list_unix(req, req, pattern);
196 unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
197 unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
198 unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
199 unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
200 info->generic.out.alloc_size = st->st_size;
201 info->generic.out.size = st->st_size;
202 info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
203 info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
204 info->generic.out.nlink = st->st_nlink;
205 info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
206 info->generic.out.file_id = svfs_file_id(st);
207 /* REWRITE: TODO stuff in here */
208 info->generic.out.delete_pending = 0;
209 info->generic.out.ea_size = 0;
210 info->generic.out.num_eas = 0;
211 info->generic.out.fname.s = talloc_strdup(req, short_name);
212 info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
213 info->generic.out.compressed_size = 0;
214 info->generic.out.format = 0;
215 info->generic.out.unit_shift = 0;
216 info->generic.out.chunk_shift = 0;
217 info->generic.out.cluster_shift = 0;
219 info->generic.out.access_flags = 0;
220 info->generic.out.position = 0;
221 info->generic.out.mode = 0;
222 info->generic.out.alignment_requirement = 0;
223 info->generic.out.reparse_tag = 0;
224 info->generic.out.num_streams = 0;
225 /* setup a single data stream */
226 info->generic.out.num_streams = 1 + (dir?dir->count:0);
227 info->generic.out.streams = talloc_array_p(req,
228 struct stream_struct,
229 info->generic.out.num_streams);
230 if (!info->generic.out.streams) {
231 return NT_STATUS_NO_MEMORY;
233 info->generic.out.streams[0].size = st->st_size;
234 info->generic.out.streams[0].alloc_size = st->st_size;
235 info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
237 for (i=0;dir && i<dir->count;i++) {
238 s = strchr(dir->files[i].name, ':');
239 info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
240 info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
241 info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
248 return info on a pathname
250 static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
251 struct smbsrv_request *req, union smb_fileinfo *info)
256 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level));
257 if (info->generic.level != RAW_FILEINFO_GENERIC) {
258 return ntvfs_map_qpathinfo(req, info, ntvfs);
261 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.fname);
262 DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
263 if (stat(unix_path, &st) == -1) {
264 DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
265 return map_nt_error_from_unix(errno);
267 DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
268 return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
272 query info on a open file
274 static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
275 struct smbsrv_request *req, union smb_fileinfo *info)
277 struct svfs_private *private = ntvfs->private_data;
281 if (info->generic.level != RAW_FILEINFO_GENERIC) {
282 return ntvfs_map_qfileinfo(req, info, ntvfs);
285 f = find_fd(private, info->generic.in.fnum);
287 return NT_STATUS_INVALID_HANDLE;
290 if (fstat(info->generic.in.fnum, &st) == -1) {
291 return map_nt_error_from_unix(errno);
294 return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
301 static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
302 struct smbsrv_request *req, union smb_open *io)
304 struct svfs_private *private = ntvfs->private_data;
309 int create_flags, rdwr_flags;
311 if (io->generic.level != RAW_OPEN_GENERIC) {
312 return ntvfs_map_open(req, io, ntvfs);
315 if (lp_readonly(req->tcon->service)) {
317 rdwr_flags = O_RDONLY;
319 create_flags = O_CREAT;
323 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
325 switch (io->generic.in.open_disposition) {
326 case NTCREATEX_DISP_SUPERSEDE:
327 case NTCREATEX_DISP_OVERWRITE_IF:
328 flags = create_flags | O_TRUNC;
330 case NTCREATEX_DISP_OPEN:
331 case NTCREATEX_DISP_OVERWRITE:
334 case NTCREATEX_DISP_CREATE:
335 flags = create_flags | O_EXCL;
337 case NTCREATEX_DISP_OPEN_IF:
338 flags = create_flags;
347 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
348 flags = O_RDONLY | O_DIRECTORY;
349 if (lp_readonly(req->tcon->service)) {
352 switch (io->generic.in.open_disposition) {
353 case NTCREATEX_DISP_CREATE:
354 if (mkdir(unix_path, 0755) == -1) {
355 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
356 return map_nt_error_from_unix(errno);
359 case NTCREATEX_DISP_OPEN_IF:
360 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
361 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
362 return map_nt_error_from_unix(errno);
369 fd = open(unix_path, flags, 0644);
371 return map_nt_error_from_unix(errno);
374 if (fstat(fd, &st) == -1) {
375 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
377 return map_nt_error_from_unix(errno);
380 f = talloc_p(req->tcon, struct svfs_file);
382 f->name = talloc_strdup(req->tcon, unix_path);
384 DLIST_ADD(private->open_files, f);
386 ZERO_STRUCT(io->generic.out);
388 unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
389 unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
390 unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
391 unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
392 io->generic.out.fnum = fd;
393 io->generic.out.alloc_size = st.st_size;
394 io->generic.out.size = st.st_size;
395 io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
396 io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
404 static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
405 struct smbsrv_request *req, union smb_mkdir *md)
409 CHECK_READ_ONLY(req);
411 if (md->generic.level != RAW_MKDIR_MKDIR) {
412 return NT_STATUS_INVALID_LEVEL;
415 unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
417 if (mkdir(unix_path, 0777) == -1) {
418 return map_nt_error_from_unix(errno);
427 static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
428 struct smbsrv_request *req, struct smb_rmdir *rd)
432 CHECK_READ_ONLY(req);
434 unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
436 if (rmdir(unix_path) == -1) {
437 return map_nt_error_from_unix(errno);
444 rename a set of files
446 static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
447 struct smbsrv_request *req, union smb_rename *ren)
449 char *unix_path1, *unix_path2;
451 CHECK_READ_ONLY(req);
453 if (ren->generic.level != RAW_RENAME_RENAME) {
454 return NT_STATUS_INVALID_LEVEL;
457 unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
458 unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
460 if (rename(unix_path1, unix_path2) == -1) {
461 return map_nt_error_from_unix(errno);
470 static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
471 struct smbsrv_request *req, struct smb_copy *cp)
473 return NT_STATUS_NOT_SUPPORTED;
479 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
480 struct smbsrv_request *req, union smb_read *rd)
484 if (rd->generic.level != RAW_READ_READX) {
485 return NT_STATUS_NOT_SUPPORTED;
488 ret = pread(rd->readx.in.fnum,
491 rd->readx.in.offset);
493 return map_nt_error_from_unix(errno);
496 rd->readx.out.nread = ret;
497 rd->readx.out.remaining = 0; /* should fill this in? */
498 rd->readx.out.compaction_mode = 0;
506 static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
507 struct smbsrv_request *req, union smb_write *wr)
511 CHECK_READ_ONLY(req);
513 switch (wr->generic.level) {
514 case RAW_WRITE_WRITEX:
515 ret = pwrite(wr->writex.in.fnum,
518 wr->writex.in.offset);
520 return map_nt_error_from_unix(errno);
523 wr->writex.out.nwritten = ret;
524 wr->writex.out.remaining = 0; /* should fill this in? */
528 case RAW_WRITE_WRITE:
529 if (wr->write.in.count == 0) {
531 ret = ftruncate(wr->write.in.fnum, wr->write.in.offset);
533 ret = pwrite(wr->write.in.fnum,
536 wr->write.in.offset);
539 return map_nt_error_from_unix(errno);
542 wr->write.out.nwritten = ret;
547 return NT_STATUS_NOT_SUPPORTED;
553 static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
554 struct smbsrv_request *req, struct smb_seek *io)
556 return NT_STATUS_NOT_SUPPORTED;
562 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
563 struct smbsrv_request *req, struct smb_flush *io)
572 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
573 struct smbsrv_request *req, union smb_close *io)
575 struct svfs_private *private = ntvfs->private_data;
578 if (io->generic.level != RAW_CLOSE_CLOSE) {
579 /* we need a mapping function */
580 return NT_STATUS_INVALID_LEVEL;
583 f = find_fd(private, io->close.in.fnum);
585 return NT_STATUS_INVALID_HANDLE;
588 if (close(io->close.in.fnum) == -1) {
589 return map_nt_error_from_unix(errno);
592 DLIST_REMOVE(private->open_files, f);
593 talloc_free(f->name);
602 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
603 struct smbsrv_request *req)
605 return NT_STATUS_NOT_SUPPORTED;
609 logoff - closing files
611 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
612 struct smbsrv_request *req)
614 return NT_STATUS_NOT_SUPPORTED;
618 setup for an async call
620 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
621 struct smbsrv_request *req,
630 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
631 struct smbsrv_request *req, union smb_lock *lck)
633 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
638 set info on a pathname
640 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
641 struct smbsrv_request *req, union smb_setfileinfo *st)
643 CHECK_READ_ONLY(req);
645 return NT_STATUS_NOT_SUPPORTED;
649 set info on a open file
651 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
652 struct smbsrv_request *req,
653 union smb_setfileinfo *info)
655 struct utimbuf unix_times;
658 CHECK_READ_ONLY(req);
660 switch (info->generic.level) {
661 case RAW_SFILEINFO_END_OF_FILE_INFO:
662 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
663 if (ftruncate(info->end_of_file_info.file.fnum,
664 info->end_of_file_info.in.size) == -1) {
665 return map_nt_error_from_unix(errno);
668 case RAW_SFILEINFO_SETATTRE:
669 unix_times.actime = info->setattre.in.access_time;
670 unix_times.modtime = info->setattre.in.write_time;
671 fd = info->setattre.file.fnum;
673 if (unix_times.actime == 0 && unix_times.modtime == 0) {
677 /* set modify time = to access time if modify time was 0 */
678 if (unix_times.actime != 0 && unix_times.modtime == 0) {
679 unix_times.modtime = unix_times.actime;
682 /* Set the date on this file */
683 if (svfs_file_utime(fd, &unix_times) != 0) {
684 return NT_STATUS_ACCESS_DENIED;
693 return filesystem space info
695 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
696 struct smbsrv_request *req, union smb_fsinfo *fs)
698 struct svfs_private *private = ntvfs->private_data;
701 if (fs->generic.level != RAW_QFS_GENERIC) {
702 return ntvfs_map_fsinfo(req, fs, ntvfs);
705 if (sys_fsusage(private->connectpath,
706 &fs->generic.out.blocks_free,
707 &fs->generic.out.blocks_total) == -1) {
708 return map_nt_error_from_unix(errno);
711 fs->generic.out.block_size = 512;
713 if (stat(private->connectpath, &st) != 0) {
714 return NT_STATUS_DISK_CORRUPT_ERROR;
717 fs->generic.out.fs_id = st.st_ino;
718 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
719 fs->generic.out.serial_number = st.st_ino;
720 fs->generic.out.fs_attr = 0;
721 fs->generic.out.max_file_component_length = 255;
722 fs->generic.out.device_type = 0;
723 fs->generic.out.device_characteristics = 0;
724 fs->generic.out.quota_soft = 0;
725 fs->generic.out.quota_hard = 0;
726 fs->generic.out.quota_flags = 0;
727 fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(req->tcon->service));
728 fs->generic.out.fs_type = req->tcon->fs_type;
735 return filesystem attribute info
737 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
738 struct smbsrv_request *req, union smb_fsattr *fs)
741 struct svfs_private *private = ntvfs->private_data;
743 if (fs->generic.level != RAW_FSATTR_GENERIC) {
744 return ntvfs_map_fsattr(req, fs, ntvfs);
747 if (stat(private->connectpath, &st) == -1) {
748 return map_nt_error_from_unix(errno);
751 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
752 fs->generic.out.fs_attr =
753 FILE_CASE_PRESERVED_NAMES |
754 FILE_CASE_SENSITIVE_SEARCH |
755 FILE_PERSISTENT_ACLS;
756 fs->generic.out.max_file_component_length = 255;
757 fs->generic.out.serial_number = 1;
758 fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
759 fs->generic.out.volume_name = talloc_strdup(req,
760 lp_servicename(req->tcon->service));
767 return print queue info
769 static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
770 struct smbsrv_request *req, union smb_lpq *lpq)
772 return NT_STATUS_NOT_SUPPORTED;
776 list files in a directory matching a wildcard pattern
778 static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
779 struct smbsrv_request *req, union smb_search_first *io,
780 void *search_private,
781 BOOL (*callback)(void *, union smb_search_data *))
783 struct svfs_dir *dir;
785 struct svfs_private *private = ntvfs->private_data;
786 struct search_state *search;
787 union smb_search_data file;
790 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
791 return NT_STATUS_NOT_SUPPORTED;
794 search = talloc_zero_p(private, struct search_state);
796 return NT_STATUS_NO_MEMORY;
799 max_count = io->t2ffirst.in.max_count;
801 dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
803 return NT_STATUS_FOOBAR;
806 search->handle = private->next_search_handle;
809 if (dir->count < max_count) {
810 max_count = dir->count;
813 for (i=0; i < max_count;i++) {
815 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
816 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
817 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
818 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
819 file.both_directory_info.name.s = dir->files[i].name;
820 file.both_directory_info.short_name.s = dir->files[i].name;
821 file.both_directory_info.size = dir->files[i].st.st_size;
822 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
824 if (!callback(search_private, &file)) {
829 search->current_index = i;
831 io->t2ffirst.out.count = i;
832 io->t2ffirst.out.handle = search->handle;
833 io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
835 /* work out if we are going to keep the search state */
836 if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
837 ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
840 private->next_search_handle++;
841 DLIST_ADD(private->search, search);
847 /* continue a search */
848 static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
849 struct smbsrv_request *req, union smb_search_next *io,
850 void *search_private,
851 BOOL (*callback)(void *, union smb_search_data *))
853 struct svfs_dir *dir;
855 struct svfs_private *private = ntvfs->private_data;
856 struct search_state *search;
857 union smb_search_data file;
860 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
861 return NT_STATUS_NOT_SUPPORTED;
864 for (search=private->search; search; search = search->next) {
865 if (search->handle == io->t2fnext.in.handle) break;
869 /* we didn't find the search handle */
870 return NT_STATUS_FOOBAR;
875 /* the client might be asking for something other than just continuing
877 if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
878 (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
879 io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
880 /* look backwards first */
881 for (i=search->current_index; i > 0; i--) {
882 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
883 search->current_index = i;
888 /* then look forwards */
889 for (i=search->current_index+1; i <= dir->count; i++) {
890 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
891 search->current_index = i;
898 max_count = search->current_index + io->t2fnext.in.max_count;
900 if (max_count > dir->count) {
901 max_count = dir->count;
904 for (i = search->current_index; i < max_count;i++) {
906 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
907 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
908 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
909 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
910 file.both_directory_info.name.s = dir->files[i].name;
911 file.both_directory_info.short_name.s = dir->files[i].name;
912 file.both_directory_info.size = dir->files[i].st.st_size;
913 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
915 if (!callback(search_private, &file)) {
920 io->t2fnext.out.count = i - search->current_index;
921 io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
923 search->current_index = i;
925 /* work out if we are going to keep the search state */
926 if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
927 ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
928 DLIST_REMOVE(private->search, search);
936 static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
937 struct smbsrv_request *req, union smb_search_close *io)
939 struct svfs_private *private = ntvfs->private_data;
940 struct search_state *search;
942 for (search=private->search; search; search = search->next) {
943 if (search->handle == io->findclose.in.handle) break;
947 /* we didn't find the search handle */
948 return NT_STATUS_FOOBAR;
951 DLIST_REMOVE(private->search, search);
957 /* SMBtrans - not used on file shares */
958 static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
959 struct smbsrv_request *req, struct smb_trans2 *trans2)
961 return NT_STATUS_ACCESS_DENIED;
966 initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
968 NTSTATUS ntvfs_simple_init(void)
971 struct ntvfs_ops ops;
975 /* fill in all the operations */
976 ops.connect = svfs_connect;
977 ops.disconnect = svfs_disconnect;
978 ops.unlink = svfs_unlink;
979 ops.chkpath = svfs_chkpath;
980 ops.qpathinfo = svfs_qpathinfo;
981 ops.setpathinfo = svfs_setpathinfo;
982 ops.open = svfs_open;
983 ops.mkdir = svfs_mkdir;
984 ops.rmdir = svfs_rmdir;
985 ops.rename = svfs_rename;
986 ops.copy = svfs_copy;
987 ops.ioctl = svfs_ioctl;
988 ops.read = svfs_read;
989 ops.write = svfs_write;
990 ops.seek = svfs_seek;
991 ops.flush = svfs_flush;
992 ops.close = svfs_close;
993 ops.exit = svfs_exit;
994 ops.lock = svfs_lock;
995 ops.setfileinfo = svfs_setfileinfo;
996 ops.qfileinfo = svfs_qfileinfo;
997 ops.fsinfo = svfs_fsinfo;
999 ops.search_first = svfs_search_first;
1000 ops.search_next = svfs_search_next;
1001 ops.search_close = svfs_search_close;
1002 ops.trans = svfs_trans;
1003 ops.logoff = svfs_logoff;
1004 ops.async_setup = svfs_async_setup;
1006 /* register ourselves with the NTVFS subsystem. We register
1007 under names 'simple'
1010 ops.type = NTVFS_DISK;
1011 ops.name = "simple";
1012 ret = register_backend("ntvfs", &ops);
1014 if (!NT_STATUS_IS_OK(ret)) {
1015 DEBUG(0,("Failed to register simple backend with name: %s!\n",