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/dir.h"
31 #include "system/filesys.h"
33 #include "system/time.h"
34 #include "dlinklist.h"
35 #include "smb_server/smb_server.h"
36 #include "ntvfs/ntvfs.h"
37 #include "ntvfs/simple/proto.h"
43 #define CHECK_READ_ONLY(req) do { if (lp_readonly(req->tcon->service)) return NT_STATUS_ACCESS_DENIED; } while (0)
46 connect to a share - used when a tree_connect operation comes
47 in. For a disk based backend we needs to ensure that the base
48 directory exists (tho it doesn't need to be accessible by the user,
51 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
52 struct ntvfs_request *req, const char *sharename)
55 struct smbsrv_tcon *tcon = req->tcon;
56 struct svfs_private *private;
58 private = talloc(ntvfs, struct svfs_private);
60 private->next_search_handle = 0;
61 private->connectpath = talloc_strdup(private, lp_pathname(tcon->service));
62 private->open_files = NULL;
63 private->search = NULL;
65 /* the directory must exist */
66 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
67 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
68 private->connectpath, sharename));
69 return NT_STATUS_BAD_NETWORK_NAME;
72 tcon->fs_type = talloc_strdup(tcon, "NTFS");
73 tcon->dev_type = talloc_strdup(tcon, "A:");
75 ntvfs->private_data = private;
77 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
83 disconnect from a share
85 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs)
91 find open file handle given fd
93 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
96 for (f=private->open_files;f;f=f->next) {
105 delete a file - the dirtype specifies the file types to include in the search.
106 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
108 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
109 struct ntvfs_request *req,
110 union smb_unlink *unl)
114 CHECK_READ_ONLY(req);
116 unix_path = svfs_unix_path(ntvfs, req, unl->unlink.in.pattern);
118 /* ignoring wildcards ... */
119 if (unlink(unix_path) == -1) {
120 return map_nt_error_from_unix(errno);
128 ioctl interface - we don't do any
130 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
131 struct ntvfs_request *req, union smb_ioctl *io)
133 return NT_STATUS_INVALID_PARAMETER;
137 check if a directory exists
139 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
140 struct ntvfs_request *req,
141 union smb_chkpath *cp)
146 unix_path = svfs_unix_path(ntvfs, req, cp->chkpath.in.path);
148 if (stat(unix_path, &st) == -1) {
149 return map_nt_error_from_unix(errno);
152 if (!S_ISDIR(st.st_mode)) {
153 return NT_STATUS_NOT_A_DIRECTORY;
160 build a file_id from a stat struct
162 static uint64_t svfs_file_id(struct stat *st)
164 uint64_t ret = st->st_ino;
171 approximately map a struct stat to a generic fileinfo struct
173 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
174 struct ntvfs_request *req, union smb_fileinfo *info,
175 struct stat *st, const char *unix_path)
177 struct svfs_dir *dir = NULL;
178 char *pattern = NULL;
180 const char *s, *short_name;
182 s = strrchr(unix_path, '/');
189 asprintf(&pattern, "%s:*", unix_path);
192 dir = svfs_list_unix(req, req, pattern);
195 unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
196 unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
197 unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
198 unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
199 info->generic.out.alloc_size = st->st_size;
200 info->generic.out.size = st->st_size;
201 info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
202 info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
203 info->generic.out.nlink = st->st_nlink;
204 info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
205 info->generic.out.file_id = svfs_file_id(st);
206 /* REWRITE: TODO stuff in here */
207 info->generic.out.delete_pending = 0;
208 info->generic.out.ea_size = 0;
209 info->generic.out.num_eas = 0;
210 info->generic.out.fname.s = talloc_strdup(req, short_name);
211 info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
212 info->generic.out.compressed_size = 0;
213 info->generic.out.format = 0;
214 info->generic.out.unit_shift = 0;
215 info->generic.out.chunk_shift = 0;
216 info->generic.out.cluster_shift = 0;
218 info->generic.out.access_flags = 0;
219 info->generic.out.position = 0;
220 info->generic.out.mode = 0;
221 info->generic.out.alignment_requirement = 0;
222 info->generic.out.reparse_tag = 0;
223 info->generic.out.num_streams = 0;
224 /* setup a single data stream */
225 info->generic.out.num_streams = 1 + (dir?dir->count:0);
226 info->generic.out.streams = talloc_array(req,
227 struct stream_struct,
228 info->generic.out.num_streams);
229 if (!info->generic.out.streams) {
230 return NT_STATUS_NO_MEMORY;
232 info->generic.out.streams[0].size = st->st_size;
233 info->generic.out.streams[0].alloc_size = st->st_size;
234 info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
236 for (i=0;dir && i<dir->count;i++) {
237 s = strchr(dir->files[i].name, ':');
238 info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
239 info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
240 info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
247 return info on a pathname
249 static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
250 struct ntvfs_request *req, union smb_fileinfo *info)
255 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.file.path, info->generic.level));
256 if (info->generic.level != RAW_FILEINFO_GENERIC) {
257 return ntvfs_map_qpathinfo(ntvfs, req, info);
260 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.file.path);
261 DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
262 if (stat(unix_path, &st) == -1) {
263 DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
264 return map_nt_error_from_unix(errno);
266 DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
267 return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
271 query info on a open file
273 static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
274 struct ntvfs_request *req, union smb_fileinfo *info)
276 struct svfs_private *private = ntvfs->private_data;
280 if (info->generic.level != RAW_FILEINFO_GENERIC) {
281 return ntvfs_map_qfileinfo(ntvfs, req, info);
284 f = find_fd(private, info->generic.in.file.fnum);
286 return NT_STATUS_INVALID_HANDLE;
289 if (fstat(info->generic.in.file.fnum, &st) == -1) {
290 return map_nt_error_from_unix(errno);
293 return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
300 static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
301 struct ntvfs_request *req, union smb_open *io)
303 struct svfs_private *private = ntvfs->private_data;
308 int create_flags, rdwr_flags;
310 if (io->generic.level != RAW_OPEN_GENERIC) {
311 return ntvfs_map_open(ntvfs, req, io);
314 if (lp_readonly(req->tcon->service)) {
316 rdwr_flags = O_RDONLY;
318 create_flags = O_CREAT;
322 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
324 switch (io->generic.in.open_disposition) {
325 case NTCREATEX_DISP_SUPERSEDE:
326 case NTCREATEX_DISP_OVERWRITE_IF:
327 flags = create_flags | O_TRUNC;
329 case NTCREATEX_DISP_OPEN:
330 case NTCREATEX_DISP_OVERWRITE:
333 case NTCREATEX_DISP_CREATE:
334 flags = create_flags | O_EXCL;
336 case NTCREATEX_DISP_OPEN_IF:
337 flags = create_flags;
346 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
347 flags = O_RDONLY | O_DIRECTORY;
348 if (lp_readonly(req->tcon->service)) {
351 switch (io->generic.in.open_disposition) {
352 case NTCREATEX_DISP_CREATE:
353 if (mkdir(unix_path, 0755) == -1) {
354 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
355 return map_nt_error_from_unix(errno);
358 case NTCREATEX_DISP_OPEN_IF:
359 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
360 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
361 return map_nt_error_from_unix(errno);
368 fd = open(unix_path, flags, 0644);
370 return map_nt_error_from_unix(errno);
373 if (fstat(fd, &st) == -1) {
374 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
376 return map_nt_error_from_unix(errno);
379 f = talloc(req->tcon, struct svfs_file);
381 f->name = talloc_strdup(req->tcon, unix_path);
383 DLIST_ADD(private->open_files, f);
385 ZERO_STRUCT(io->generic.out);
387 unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
388 unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
389 unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
390 unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
391 io->generic.out.file.fnum = fd;
392 io->generic.out.alloc_size = st.st_size;
393 io->generic.out.size = st.st_size;
394 io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
395 io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
403 static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
404 struct ntvfs_request *req, union smb_mkdir *md)
408 CHECK_READ_ONLY(req);
410 if (md->generic.level != RAW_MKDIR_MKDIR) {
411 return NT_STATUS_INVALID_LEVEL;
414 unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
416 if (mkdir(unix_path, 0777) == -1) {
417 return map_nt_error_from_unix(errno);
426 static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
427 struct ntvfs_request *req, struct smb_rmdir *rd)
431 CHECK_READ_ONLY(req);
433 unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
435 if (rmdir(unix_path) == -1) {
436 return map_nt_error_from_unix(errno);
443 rename a set of files
445 static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
446 struct ntvfs_request *req, union smb_rename *ren)
448 char *unix_path1, *unix_path2;
450 CHECK_READ_ONLY(req);
452 if (ren->generic.level != RAW_RENAME_RENAME) {
453 return NT_STATUS_INVALID_LEVEL;
456 unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
457 unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
459 if (rename(unix_path1, unix_path2) == -1) {
460 return map_nt_error_from_unix(errno);
469 static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
470 struct ntvfs_request *req, struct smb_copy *cp)
472 return NT_STATUS_NOT_SUPPORTED;
478 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
479 struct ntvfs_request *req, union smb_read *rd)
483 if (rd->generic.level != RAW_READ_READX) {
484 return NT_STATUS_NOT_SUPPORTED;
487 ret = pread(rd->readx.in.file.fnum,
490 rd->readx.in.offset);
492 return map_nt_error_from_unix(errno);
495 rd->readx.out.nread = ret;
496 rd->readx.out.remaining = 0; /* should fill this in? */
497 rd->readx.out.compaction_mode = 0;
505 static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
506 struct ntvfs_request *req, union smb_write *wr)
510 if (wr->generic.level != RAW_WRITE_WRITEX) {
511 return ntvfs_map_write(ntvfs, req, wr);
514 CHECK_READ_ONLY(req);
516 ret = pwrite(wr->writex.in.file.fnum,
519 wr->writex.in.offset);
521 return map_nt_error_from_unix(errno);
524 wr->writex.out.nwritten = ret;
525 wr->writex.out.remaining = 0; /* should fill this in? */
533 static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
534 struct ntvfs_request *req,
537 return NT_STATUS_NOT_SUPPORTED;
543 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
544 struct ntvfs_request *req,
547 fsync(io->flush.in.file.fnum);
554 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
555 struct ntvfs_request *req,
558 struct svfs_private *private = ntvfs->private_data;
561 if (io->generic.level != RAW_CLOSE_CLOSE) {
562 /* we need a mapping function */
563 return NT_STATUS_INVALID_LEVEL;
566 f = find_fd(private, io->close.in.file.fnum);
568 return NT_STATUS_INVALID_HANDLE;
571 if (close(io->close.in.file.fnum) == -1) {
572 return map_nt_error_from_unix(errno);
575 DLIST_REMOVE(private->open_files, f);
576 talloc_free(f->name);
585 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
586 struct ntvfs_request *req)
588 return NT_STATUS_NOT_SUPPORTED;
592 logoff - closing files
594 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
595 struct ntvfs_request *req)
597 return NT_STATUS_NOT_SUPPORTED;
601 setup for an async call
603 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
604 struct ntvfs_request *req,
613 static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req)
615 return NT_STATUS_UNSUCCESSFUL;
621 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
622 struct ntvfs_request *req, union smb_lock *lck)
624 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
629 set info on a pathname
631 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
632 struct ntvfs_request *req, union smb_setfileinfo *st)
634 CHECK_READ_ONLY(req);
636 return NT_STATUS_NOT_SUPPORTED;
640 set info on a open file
642 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
643 struct ntvfs_request *req,
644 union smb_setfileinfo *info)
646 struct utimbuf unix_times;
649 CHECK_READ_ONLY(req);
651 switch (info->generic.level) {
652 case RAW_SFILEINFO_END_OF_FILE_INFO:
653 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
654 if (ftruncate(info->end_of_file_info.in.file.fnum,
655 info->end_of_file_info.in.size) == -1) {
656 return map_nt_error_from_unix(errno);
659 case RAW_SFILEINFO_SETATTRE:
660 unix_times.actime = info->setattre.in.access_time;
661 unix_times.modtime = info->setattre.in.write_time;
662 fd = info->setattre.in.file.fnum;
664 if (unix_times.actime == 0 && unix_times.modtime == 0) {
668 /* set modify time = to access time if modify time was 0 */
669 if (unix_times.actime != 0 && unix_times.modtime == 0) {
670 unix_times.modtime = unix_times.actime;
673 /* Set the date on this file */
674 if (svfs_file_utime(fd, &unix_times) != 0) {
675 return NT_STATUS_ACCESS_DENIED;
679 DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
680 info->generic.level));
681 return NT_STATUS_NOT_IMPLEMENTED;
688 return filesystem space info
690 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
691 struct ntvfs_request *req, union smb_fsinfo *fs)
693 struct svfs_private *private = ntvfs->private_data;
696 if (fs->generic.level != RAW_QFS_GENERIC) {
697 return ntvfs_map_fsinfo(ntvfs, req, fs);
700 if (sys_fsusage(private->connectpath,
701 &fs->generic.out.blocks_free,
702 &fs->generic.out.blocks_total) == -1) {
703 return map_nt_error_from_unix(errno);
706 fs->generic.out.block_size = 512;
708 if (stat(private->connectpath, &st) != 0) {
709 return NT_STATUS_DISK_CORRUPT_ERROR;
712 fs->generic.out.fs_id = st.st_ino;
713 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
714 fs->generic.out.serial_number = st.st_ino;
715 fs->generic.out.fs_attr = 0;
716 fs->generic.out.max_file_component_length = 255;
717 fs->generic.out.device_type = 0;
718 fs->generic.out.device_characteristics = 0;
719 fs->generic.out.quota_soft = 0;
720 fs->generic.out.quota_hard = 0;
721 fs->generic.out.quota_flags = 0;
722 fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(req->tcon->service));
723 fs->generic.out.fs_type = req->tcon->fs_type;
730 return filesystem attribute info
732 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
733 struct ntvfs_request *req, union smb_fsattr *fs)
736 struct svfs_private *private = ntvfs->private_data;
738 if (fs->generic.level != RAW_FSATTR_GENERIC) {
739 return ntvfs_map_fsattr(ntvfs, req, fs);
742 if (stat(private->connectpath, &st) == -1) {
743 return map_nt_error_from_unix(errno);
746 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
747 fs->generic.out.fs_attr =
748 FILE_CASE_PRESERVED_NAMES |
749 FILE_CASE_SENSITIVE_SEARCH |
750 FILE_PERSISTENT_ACLS;
751 fs->generic.out.max_file_component_length = 255;
752 fs->generic.out.serial_number = 1;
753 fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
754 fs->generic.out.volume_name = talloc_strdup(req,
755 lp_servicename(req->tcon->service));
762 return print queue info
764 static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
765 struct ntvfs_request *req, union smb_lpq *lpq)
767 return NT_STATUS_NOT_SUPPORTED;
771 list files in a directory matching a wildcard pattern
773 static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
774 struct ntvfs_request *req, union smb_search_first *io,
775 void *search_private,
776 BOOL (*callback)(void *, union smb_search_data *))
778 struct svfs_dir *dir;
780 struct svfs_private *private = ntvfs->private_data;
781 struct search_state *search;
782 union smb_search_data file;
785 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
786 return NT_STATUS_NOT_SUPPORTED;
789 search = talloc_zero(private, struct search_state);
791 return NT_STATUS_NO_MEMORY;
794 max_count = io->t2ffirst.in.max_count;
796 dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
798 return NT_STATUS_FOOBAR;
801 search->handle = private->next_search_handle;
804 if (dir->count < max_count) {
805 max_count = dir->count;
808 for (i=0; i < max_count;i++) {
810 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
811 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
812 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
813 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
814 file.both_directory_info.name.s = dir->files[i].name;
815 file.both_directory_info.short_name.s = dir->files[i].name;
816 file.both_directory_info.size = dir->files[i].st.st_size;
817 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
819 if (!callback(search_private, &file)) {
824 search->current_index = i;
826 io->t2ffirst.out.count = i;
827 io->t2ffirst.out.handle = search->handle;
828 io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
830 /* work out if we are going to keep the search state */
831 if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
832 ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
835 private->next_search_handle++;
836 DLIST_ADD(private->search, search);
842 /* continue a search */
843 static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
844 struct ntvfs_request *req, union smb_search_next *io,
845 void *search_private,
846 BOOL (*callback)(void *, union smb_search_data *))
848 struct svfs_dir *dir;
850 struct svfs_private *private = ntvfs->private_data;
851 struct search_state *search;
852 union smb_search_data file;
855 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
856 return NT_STATUS_NOT_SUPPORTED;
859 for (search=private->search; search; search = search->next) {
860 if (search->handle == io->t2fnext.in.handle) break;
864 /* we didn't find the search handle */
865 return NT_STATUS_FOOBAR;
870 /* the client might be asking for something other than just continuing
872 if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
873 (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
874 io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
875 /* look backwards first */
876 for (i=search->current_index; i > 0; i--) {
877 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
878 search->current_index = i;
883 /* then look forwards */
884 for (i=search->current_index+1; i <= dir->count; i++) {
885 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
886 search->current_index = i;
893 max_count = search->current_index + io->t2fnext.in.max_count;
895 if (max_count > dir->count) {
896 max_count = dir->count;
899 for (i = search->current_index; i < max_count;i++) {
901 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
902 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
903 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
904 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
905 file.both_directory_info.name.s = dir->files[i].name;
906 file.both_directory_info.short_name.s = dir->files[i].name;
907 file.both_directory_info.size = dir->files[i].st.st_size;
908 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
910 if (!callback(search_private, &file)) {
915 io->t2fnext.out.count = i - search->current_index;
916 io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
918 search->current_index = i;
920 /* work out if we are going to keep the search state */
921 if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
922 ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
923 DLIST_REMOVE(private->search, search);
931 static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
932 struct ntvfs_request *req, union smb_search_close *io)
934 struct svfs_private *private = ntvfs->private_data;
935 struct search_state *search;
937 for (search=private->search; search; search = search->next) {
938 if (search->handle == io->findclose.in.handle) break;
942 /* we didn't find the search handle */
943 return NT_STATUS_FOOBAR;
946 DLIST_REMOVE(private->search, search);
952 /* SMBtrans - not used on file shares */
953 static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
954 struct ntvfs_request *req, struct smb_trans2 *trans2)
956 return NT_STATUS_ACCESS_DENIED;
961 initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
963 NTSTATUS ntvfs_simple_init(void)
966 struct ntvfs_ops ops;
970 /* fill in all the operations */
971 ops.connect = svfs_connect;
972 ops.disconnect = svfs_disconnect;
973 ops.unlink = svfs_unlink;
974 ops.chkpath = svfs_chkpath;
975 ops.qpathinfo = svfs_qpathinfo;
976 ops.setpathinfo = svfs_setpathinfo;
977 ops.open = svfs_open;
978 ops.mkdir = svfs_mkdir;
979 ops.rmdir = svfs_rmdir;
980 ops.rename = svfs_rename;
981 ops.copy = svfs_copy;
982 ops.ioctl = svfs_ioctl;
983 ops.read = svfs_read;
984 ops.write = svfs_write;
985 ops.seek = svfs_seek;
986 ops.flush = svfs_flush;
987 ops.close = svfs_close;
988 ops.exit = svfs_exit;
989 ops.lock = svfs_lock;
990 ops.setfileinfo = svfs_setfileinfo;
991 ops.qfileinfo = svfs_qfileinfo;
992 ops.fsinfo = svfs_fsinfo;
994 ops.search_first = svfs_search_first;
995 ops.search_next = svfs_search_next;
996 ops.search_close = svfs_search_close;
997 ops.trans = svfs_trans;
998 ops.logoff = svfs_logoff;
999 ops.async_setup = svfs_async_setup;
1000 ops.cancel = svfs_cancel;
1002 /* register ourselves with the NTVFS subsystem. We register
1003 under names 'simple'
1006 ops.type = NTVFS_DISK;
1007 ops.name = "simple";
1008 ret = ntvfs_register(&ops);
1010 if (!NT_STATUS_IS_OK(ret)) {
1011 DEBUG(0,("Failed to register simple backend with name: %s!\n",