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 "ntvfs/ntvfs.h"
36 #include "ntvfs/simple/proto.h"
42 #define CHECK_READ_ONLY(req) do { if (lp_readonly(ntvfs->ctx->config.snum)) return NT_STATUS_ACCESS_DENIED; } while (0)
45 connect to a share - used when a tree_connect operation comes
46 in. For a disk based backend we needs to ensure that the base
47 directory exists (tho it doesn't need to be accessible by the user,
50 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
51 struct ntvfs_request *req, const char *sharename)
54 struct svfs_private *private;
55 int snum = ntvfs->ctx->config.snum;
57 private = talloc(ntvfs, struct svfs_private);
59 private->next_search_handle = 0;
60 private->connectpath = talloc_strdup(private, lp_pathname(snum));
61 private->open_files = NULL;
62 private->search = NULL;
64 /* the directory must exist */
65 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
66 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
67 private->connectpath, sharename));
68 return NT_STATUS_BAD_NETWORK_NAME;
71 ntvfs->ctx->fs_type = talloc_strdup(ntvfs->ctx, "NTFS");
72 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->fs_type);
73 ntvfs->ctx->dev_type = talloc_strdup(ntvfs->ctx, "A:");
74 NT_STATUS_HAVE_NO_MEMORY(ntvfs->ctx->dev_type);
76 ntvfs->private_data = private;
78 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
84 disconnect from a share
86 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs)
92 find open file handle given fd
94 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
97 for (f=private->open_files;f;f=f->next) {
106 delete a file - the dirtype specifies the file types to include in the search.
107 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
109 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
110 struct ntvfs_request *req,
111 union smb_unlink *unl)
115 CHECK_READ_ONLY(req);
117 unix_path = svfs_unix_path(ntvfs, req, unl->unlink.in.pattern);
119 /* ignoring wildcards ... */
120 if (unlink(unix_path) == -1) {
121 return map_nt_error_from_unix(errno);
129 ioctl interface - we don't do any
131 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
132 struct ntvfs_request *req, union smb_ioctl *io)
134 return NT_STATUS_INVALID_PARAMETER;
138 check if a directory exists
140 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
141 struct ntvfs_request *req,
142 union smb_chkpath *cp)
147 unix_path = svfs_unix_path(ntvfs, req, cp->chkpath.in.path);
149 if (stat(unix_path, &st) == -1) {
150 return map_nt_error_from_unix(errno);
153 if (!S_ISDIR(st.st_mode)) {
154 return NT_STATUS_NOT_A_DIRECTORY;
161 build a file_id from a stat struct
163 static uint64_t svfs_file_id(struct stat *st)
165 uint64_t ret = st->st_ino;
172 approximately map a struct stat to a generic fileinfo struct
174 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
175 struct ntvfs_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(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 ntvfs_request *req, union smb_fileinfo *info)
256 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.file.path, info->generic.level));
257 if (info->generic.level != RAW_FILEINFO_GENERIC) {
258 return ntvfs_map_qpathinfo(ntvfs, req, info);
261 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.file.path);
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 ntvfs_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(ntvfs, req, info);
285 f = find_fd(private, info->generic.in.file.fnum);
287 return NT_STATUS_INVALID_HANDLE;
290 if (fstat(info->generic.in.file.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 ntvfs_request *req, union smb_open *io)
304 struct svfs_private *private = ntvfs->private_data;
309 int create_flags, rdwr_flags;
312 if (io->generic.level != RAW_OPEN_GENERIC) {
313 return ntvfs_map_open(ntvfs, req, io);
316 readonly = lp_readonly(ntvfs->ctx->config.snum);
319 rdwr_flags = O_RDONLY;
321 create_flags = O_CREAT;
325 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
327 switch (io->generic.in.open_disposition) {
328 case NTCREATEX_DISP_SUPERSEDE:
329 case NTCREATEX_DISP_OVERWRITE_IF:
330 flags = create_flags | O_TRUNC;
332 case NTCREATEX_DISP_OPEN:
333 case NTCREATEX_DISP_OVERWRITE:
336 case NTCREATEX_DISP_CREATE:
337 flags = create_flags | O_EXCL;
339 case NTCREATEX_DISP_OPEN_IF:
340 flags = create_flags;
349 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
350 flags = O_RDONLY | O_DIRECTORY;
354 switch (io->generic.in.open_disposition) {
355 case NTCREATEX_DISP_CREATE:
356 if (mkdir(unix_path, 0755) == -1) {
357 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
358 return map_nt_error_from_unix(errno);
361 case NTCREATEX_DISP_OPEN_IF:
362 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
363 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
364 return map_nt_error_from_unix(errno);
371 fd = open(unix_path, flags, 0644);
373 return map_nt_error_from_unix(errno);
376 if (fstat(fd, &st) == -1) {
377 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
379 return map_nt_error_from_unix(errno);
382 f = talloc(ntvfs, struct svfs_file);
383 NT_STATUS_HAVE_NO_MEMORY(f);
385 f->name = talloc_strdup(f, unix_path);
386 NT_STATUS_HAVE_NO_MEMORY(f->name);
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.file.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 ntvfs_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 ntvfs_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 ntvfs_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 ntvfs_request *req, struct smb_copy *cp)
477 return NT_STATUS_NOT_SUPPORTED;
483 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
484 struct ntvfs_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.file.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 ntvfs_request *req, union smb_write *wr)
515 if (wr->generic.level != RAW_WRITE_WRITEX) {
516 return ntvfs_map_write(ntvfs, req, wr);
519 CHECK_READ_ONLY(req);
521 ret = pwrite(wr->writex.in.file.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 ntvfs_request *req,
542 return NT_STATUS_NOT_SUPPORTED;
548 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
549 struct ntvfs_request *req,
552 fsync(io->flush.in.file.fnum);
559 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
560 struct ntvfs_request *req,
563 struct svfs_private *private = ntvfs->private_data;
566 if (io->generic.level != RAW_CLOSE_CLOSE) {
567 /* we need a mapping function */
568 return NT_STATUS_INVALID_LEVEL;
571 f = find_fd(private, io->close.in.file.fnum);
573 return NT_STATUS_INVALID_HANDLE;
576 if (close(io->close.in.file.fnum) == -1) {
577 return map_nt_error_from_unix(errno);
580 DLIST_REMOVE(private->open_files, f);
581 talloc_free(f->name);
590 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
591 struct ntvfs_request *req)
593 return NT_STATUS_NOT_SUPPORTED;
597 logoff - closing files
599 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
600 struct ntvfs_request *req)
602 return NT_STATUS_NOT_SUPPORTED;
606 setup for an async call
608 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
609 struct ntvfs_request *req,
618 static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct ntvfs_request *req)
620 return NT_STATUS_UNSUCCESSFUL;
626 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
627 struct ntvfs_request *req, union smb_lock *lck)
629 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
634 set info on a pathname
636 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
637 struct ntvfs_request *req, union smb_setfileinfo *st)
639 CHECK_READ_ONLY(req);
641 return NT_STATUS_NOT_SUPPORTED;
645 set info on a open file
647 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
648 struct ntvfs_request *req,
649 union smb_setfileinfo *info)
651 struct utimbuf unix_times;
654 CHECK_READ_ONLY(req);
656 switch (info->generic.level) {
657 case RAW_SFILEINFO_END_OF_FILE_INFO:
658 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
659 if (ftruncate(info->end_of_file_info.in.file.fnum,
660 info->end_of_file_info.in.size) == -1) {
661 return map_nt_error_from_unix(errno);
664 case RAW_SFILEINFO_SETATTRE:
665 unix_times.actime = info->setattre.in.access_time;
666 unix_times.modtime = info->setattre.in.write_time;
667 fd = info->setattre.in.file.fnum;
669 if (unix_times.actime == 0 && unix_times.modtime == 0) {
673 /* set modify time = to access time if modify time was 0 */
674 if (unix_times.actime != 0 && unix_times.modtime == 0) {
675 unix_times.modtime = unix_times.actime;
678 /* Set the date on this file */
679 if (svfs_file_utime(fd, &unix_times) != 0) {
680 return NT_STATUS_ACCESS_DENIED;
684 DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
685 info->generic.level));
686 return NT_STATUS_NOT_IMPLEMENTED;
693 return filesystem space info
695 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
696 struct ntvfs_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(ntvfs, req, fs);
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(ntvfs->ctx->config.snum));
728 fs->generic.out.fs_type = ntvfs->ctx->fs_type;
735 return filesystem attribute info
737 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
738 struct ntvfs_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(ntvfs, req, fs);
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 ntvfs_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 ntvfs_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(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 ntvfs_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 ntvfs_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 ntvfs_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;
1005 ops.cancel = svfs_cancel;
1007 /* register ourselves with the NTVFS subsystem. We register
1008 under names 'simple'
1011 ops.type = NTVFS_DISK;
1012 ops.name = "simple";
1013 ret = ntvfs_register(&ops);
1015 if (!NT_STATUS_IS_OK(ret)) {
1016 DEBUG(0,("Failed to register simple backend with name: %s!\n",