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"
41 #define CHECK_READ_ONLY(req) do { if (lp_readonly(req->tcon->service)) return NT_STATUS_ACCESS_DENIED; } while (0)
44 static ssize_t pread(int __fd, void *__buf, size_t __nbytes, off_t __offset)
46 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
49 return read(__fd, __buf, __nbytes);
54 static ssize_t pwrite(int __fd, const void *__buf, size_t __nbytes, off_t __offset)
56 if (lseek(__fd, __offset, SEEK_SET) != __offset) {
59 return write(__fd, __buf, __nbytes);
64 connect to a share - used when a tree_connect operation comes
65 in. For a disk based backend we needs to ensure that the base
66 directory exists (tho it doesn't need to be accessible by the user,
69 static NTSTATUS svfs_connect(struct ntvfs_module_context *ntvfs,
70 struct smbsrv_request *req, const char *sharename)
73 struct smbsrv_tcon *tcon = req->tcon;
74 struct svfs_private *private;
76 private = talloc(tcon, struct svfs_private);
78 private->next_search_handle = 0;
79 private->connectpath = talloc_strdup(tcon, lp_pathname(tcon->service));
80 private->open_files = NULL;
81 private->search = NULL;
83 /* the directory must exist */
84 if (stat(private->connectpath, &st) != 0 || !S_ISDIR(st.st_mode)) {
85 DEBUG(0,("'%s' is not a directory, when connecting to [%s]\n",
86 private->connectpath, sharename));
87 return NT_STATUS_BAD_NETWORK_NAME;
90 tcon->fs_type = talloc_strdup(tcon, "NTFS");
91 tcon->dev_type = talloc_strdup(tcon, "A:");
93 ntvfs->private_data = private;
95 DEBUG(0,("WARNING: ntvfs simple: connect to share [%s] with ROOT privileges!!!\n",sharename));
101 disconnect from a share
103 static NTSTATUS svfs_disconnect(struct ntvfs_module_context *ntvfs,
104 struct smbsrv_tcon *tcon)
110 find open file handle given fd
112 static struct svfs_file *find_fd(struct svfs_private *private, int fd)
115 for (f=private->open_files;f;f=f->next) {
124 delete a file - the dirtype specifies the file types to include in the search.
125 The name can contain CIFS wildcards, but rarely does (except with OS/2 clients)
127 static NTSTATUS svfs_unlink(struct ntvfs_module_context *ntvfs,
128 struct smbsrv_request *req, struct smb_unlink *unl)
132 CHECK_READ_ONLY(req);
134 unix_path = svfs_unix_path(ntvfs, req, unl->in.pattern);
136 /* ignoring wildcards ... */
137 if (unlink(unix_path) == -1) {
138 return map_nt_error_from_unix(errno);
146 ioctl interface - we don't do any
148 static NTSTATUS svfs_ioctl(struct ntvfs_module_context *ntvfs,
149 struct smbsrv_request *req, union smb_ioctl *io)
151 return NT_STATUS_INVALID_PARAMETER;
155 check if a directory exists
157 static NTSTATUS svfs_chkpath(struct ntvfs_module_context *ntvfs,
158 struct smbsrv_request *req, struct smb_chkpath *cp)
163 unix_path = svfs_unix_path(ntvfs, req, cp->in.path);
165 if (stat(unix_path, &st) == -1) {
166 return map_nt_error_from_unix(errno);
169 if (!S_ISDIR(st.st_mode)) {
170 return NT_STATUS_NOT_A_DIRECTORY;
177 build a file_id from a stat struct
179 static uint64_t svfs_file_id(struct stat *st)
181 uint64_t ret = st->st_ino;
188 approximately map a struct stat to a generic fileinfo struct
190 static NTSTATUS svfs_map_fileinfo(struct ntvfs_module_context *ntvfs,
191 struct smbsrv_request *req, union smb_fileinfo *info,
192 struct stat *st, const char *unix_path)
194 struct svfs_dir *dir = NULL;
195 char *pattern = NULL;
197 const char *s, *short_name;
199 s = strrchr(unix_path, '/');
206 asprintf(&pattern, "%s:*", unix_path);
209 dir = svfs_list_unix(req, req, pattern);
212 unix_to_nt_time(&info->generic.out.create_time, st->st_ctime);
213 unix_to_nt_time(&info->generic.out.access_time, st->st_atime);
214 unix_to_nt_time(&info->generic.out.write_time, st->st_mtime);
215 unix_to_nt_time(&info->generic.out.change_time, st->st_mtime);
216 info->generic.out.alloc_size = st->st_size;
217 info->generic.out.size = st->st_size;
218 info->generic.out.attrib = svfs_unix_to_dos_attrib(st->st_mode);
219 info->generic.out.alloc_size = st->st_blksize * st->st_blocks;
220 info->generic.out.nlink = st->st_nlink;
221 info->generic.out.directory = S_ISDIR(st->st_mode) ? 1 : 0;
222 info->generic.out.file_id = svfs_file_id(st);
223 /* REWRITE: TODO stuff in here */
224 info->generic.out.delete_pending = 0;
225 info->generic.out.ea_size = 0;
226 info->generic.out.num_eas = 0;
227 info->generic.out.fname.s = talloc_strdup(req, short_name);
228 info->generic.out.alt_fname.s = talloc_strdup(req, short_name);
229 info->generic.out.compressed_size = 0;
230 info->generic.out.format = 0;
231 info->generic.out.unit_shift = 0;
232 info->generic.out.chunk_shift = 0;
233 info->generic.out.cluster_shift = 0;
235 info->generic.out.access_flags = 0;
236 info->generic.out.position = 0;
237 info->generic.out.mode = 0;
238 info->generic.out.alignment_requirement = 0;
239 info->generic.out.reparse_tag = 0;
240 info->generic.out.num_streams = 0;
241 /* setup a single data stream */
242 info->generic.out.num_streams = 1 + (dir?dir->count:0);
243 info->generic.out.streams = talloc_array(req,
244 struct stream_struct,
245 info->generic.out.num_streams);
246 if (!info->generic.out.streams) {
247 return NT_STATUS_NO_MEMORY;
249 info->generic.out.streams[0].size = st->st_size;
250 info->generic.out.streams[0].alloc_size = st->st_size;
251 info->generic.out.streams[0].stream_name.s = talloc_strdup(req,"::$DATA");
253 for (i=0;dir && i<dir->count;i++) {
254 s = strchr(dir->files[i].name, ':');
255 info->generic.out.streams[1+i].size = dir->files[i].st.st_size;
256 info->generic.out.streams[1+i].alloc_size = dir->files[i].st.st_size;
257 info->generic.out.streams[1+i].stream_name.s = s?s:dir->files[i].name;
264 return info on a pathname
266 static NTSTATUS svfs_qpathinfo(struct ntvfs_module_context *ntvfs,
267 struct smbsrv_request *req, union smb_fileinfo *info)
272 DEBUG(19,("svfs_qpathinfo: file %s level 0x%x\n", info->generic.in.fname, info->generic.level));
273 if (info->generic.level != RAW_FILEINFO_GENERIC) {
274 return ntvfs_map_qpathinfo(req, info, ntvfs);
277 unix_path = svfs_unix_path(ntvfs, req, info->generic.in.fname);
278 DEBUG(19,("svfs_qpathinfo: file %s\n", unix_path));
279 if (stat(unix_path, &st) == -1) {
280 DEBUG(19,("svfs_qpathinfo: file %s errno=%d\n", unix_path, errno));
281 return map_nt_error_from_unix(errno);
283 DEBUG(19,("svfs_qpathinfo: file %s, stat done\n", unix_path));
284 return svfs_map_fileinfo(ntvfs, req, info, &st, unix_path);
288 query info on a open file
290 static NTSTATUS svfs_qfileinfo(struct ntvfs_module_context *ntvfs,
291 struct smbsrv_request *req, union smb_fileinfo *info)
293 struct svfs_private *private = ntvfs->private_data;
297 if (info->generic.level != RAW_FILEINFO_GENERIC) {
298 return ntvfs_map_qfileinfo(req, info, ntvfs);
301 f = find_fd(private, info->generic.in.fnum);
303 return NT_STATUS_INVALID_HANDLE;
306 if (fstat(info->generic.in.fnum, &st) == -1) {
307 return map_nt_error_from_unix(errno);
310 return svfs_map_fileinfo(ntvfs, req,info, &st, f->name);
317 static NTSTATUS svfs_open(struct ntvfs_module_context *ntvfs,
318 struct smbsrv_request *req, union smb_open *io)
320 struct svfs_private *private = ntvfs->private_data;
325 int create_flags, rdwr_flags;
327 if (io->generic.level != RAW_OPEN_GENERIC) {
328 return ntvfs_map_open(req, io, ntvfs);
331 if (lp_readonly(req->tcon->service)) {
333 rdwr_flags = O_RDONLY;
335 create_flags = O_CREAT;
339 unix_path = svfs_unix_path(ntvfs, req, io->ntcreatex.in.fname);
341 switch (io->generic.in.open_disposition) {
342 case NTCREATEX_DISP_SUPERSEDE:
343 case NTCREATEX_DISP_OVERWRITE_IF:
344 flags = create_flags | O_TRUNC;
346 case NTCREATEX_DISP_OPEN:
347 case NTCREATEX_DISP_OVERWRITE:
350 case NTCREATEX_DISP_CREATE:
351 flags = create_flags | O_EXCL;
353 case NTCREATEX_DISP_OPEN_IF:
354 flags = create_flags;
363 if (io->generic.in.create_options & NTCREATEX_OPTIONS_DIRECTORY) {
364 flags = O_RDONLY | O_DIRECTORY;
365 if (lp_readonly(req->tcon->service)) {
368 switch (io->generic.in.open_disposition) {
369 case NTCREATEX_DISP_CREATE:
370 if (mkdir(unix_path, 0755) == -1) {
371 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
372 return map_nt_error_from_unix(errno);
375 case NTCREATEX_DISP_OPEN_IF:
376 if (mkdir(unix_path, 0755) == -1 && errno != EEXIST) {
377 DEBUG(9,("svfs_open: mkdir %s errno=%d\n", unix_path, errno));
378 return map_nt_error_from_unix(errno);
385 fd = open(unix_path, flags, 0644);
387 return map_nt_error_from_unix(errno);
390 if (fstat(fd, &st) == -1) {
391 DEBUG(9,("svfs_open: fstat errno=%d\n", errno));
393 return map_nt_error_from_unix(errno);
396 f = talloc(req->tcon, struct svfs_file);
398 f->name = talloc_strdup(req->tcon, unix_path);
400 DLIST_ADD(private->open_files, f);
402 ZERO_STRUCT(io->generic.out);
404 unix_to_nt_time(&io->generic.out.create_time, st.st_ctime);
405 unix_to_nt_time(&io->generic.out.access_time, st.st_atime);
406 unix_to_nt_time(&io->generic.out.write_time, st.st_mtime);
407 unix_to_nt_time(&io->generic.out.change_time, st.st_mtime);
408 io->generic.out.fnum = fd;
409 io->generic.out.alloc_size = st.st_size;
410 io->generic.out.size = st.st_size;
411 io->generic.out.attrib = svfs_unix_to_dos_attrib(st.st_mode);
412 io->generic.out.is_directory = S_ISDIR(st.st_mode) ? 1 : 0;
420 static NTSTATUS svfs_mkdir(struct ntvfs_module_context *ntvfs,
421 struct smbsrv_request *req, union smb_mkdir *md)
425 CHECK_READ_ONLY(req);
427 if (md->generic.level != RAW_MKDIR_MKDIR) {
428 return NT_STATUS_INVALID_LEVEL;
431 unix_path = svfs_unix_path(ntvfs, req, md->mkdir.in.path);
433 if (mkdir(unix_path, 0777) == -1) {
434 return map_nt_error_from_unix(errno);
443 static NTSTATUS svfs_rmdir(struct ntvfs_module_context *ntvfs,
444 struct smbsrv_request *req, struct smb_rmdir *rd)
448 CHECK_READ_ONLY(req);
450 unix_path = svfs_unix_path(ntvfs, req, rd->in.path);
452 if (rmdir(unix_path) == -1) {
453 return map_nt_error_from_unix(errno);
460 rename a set of files
462 static NTSTATUS svfs_rename(struct ntvfs_module_context *ntvfs,
463 struct smbsrv_request *req, union smb_rename *ren)
465 char *unix_path1, *unix_path2;
467 CHECK_READ_ONLY(req);
469 if (ren->generic.level != RAW_RENAME_RENAME) {
470 return NT_STATUS_INVALID_LEVEL;
473 unix_path1 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern1);
474 unix_path2 = svfs_unix_path(ntvfs, req, ren->rename.in.pattern2);
476 if (rename(unix_path1, unix_path2) == -1) {
477 return map_nt_error_from_unix(errno);
486 static NTSTATUS svfs_copy(struct ntvfs_module_context *ntvfs,
487 struct smbsrv_request *req, struct smb_copy *cp)
489 return NT_STATUS_NOT_SUPPORTED;
495 static NTSTATUS svfs_read(struct ntvfs_module_context *ntvfs,
496 struct smbsrv_request *req, union smb_read *rd)
500 if (rd->generic.level != RAW_READ_READX) {
501 return NT_STATUS_NOT_SUPPORTED;
504 ret = pread(rd->readx.in.fnum,
507 rd->readx.in.offset);
509 return map_nt_error_from_unix(errno);
512 rd->readx.out.nread = ret;
513 rd->readx.out.remaining = 0; /* should fill this in? */
514 rd->readx.out.compaction_mode = 0;
522 static NTSTATUS svfs_write(struct ntvfs_module_context *ntvfs,
523 struct smbsrv_request *req, union smb_write *wr)
527 if (wr->generic.level != RAW_WRITE_WRITEX) {
528 return ntvfs_map_write(req, wr, ntvfs);
531 CHECK_READ_ONLY(req);
533 ret = pwrite(wr->writex.in.fnum,
536 wr->writex.in.offset);
538 return map_nt_error_from_unix(errno);
541 wr->writex.out.nwritten = ret;
542 wr->writex.out.remaining = 0; /* should fill this in? */
550 static NTSTATUS svfs_seek(struct ntvfs_module_context *ntvfs,
551 struct smbsrv_request *req, struct smb_seek *io)
553 return NT_STATUS_NOT_SUPPORTED;
559 static NTSTATUS svfs_flush(struct ntvfs_module_context *ntvfs,
560 struct smbsrv_request *req, struct smb_flush *io)
569 static NTSTATUS svfs_close(struct ntvfs_module_context *ntvfs,
570 struct smbsrv_request *req, union smb_close *io)
572 struct svfs_private *private = ntvfs->private_data;
575 if (io->generic.level != RAW_CLOSE_CLOSE) {
576 /* we need a mapping function */
577 return NT_STATUS_INVALID_LEVEL;
580 f = find_fd(private, io->close.in.fnum);
582 return NT_STATUS_INVALID_HANDLE;
585 if (close(io->close.in.fnum) == -1) {
586 return map_nt_error_from_unix(errno);
589 DLIST_REMOVE(private->open_files, f);
590 talloc_free(f->name);
599 static NTSTATUS svfs_exit(struct ntvfs_module_context *ntvfs,
600 struct smbsrv_request *req)
602 return NT_STATUS_NOT_SUPPORTED;
606 logoff - closing files
608 static NTSTATUS svfs_logoff(struct ntvfs_module_context *ntvfs,
609 struct smbsrv_request *req)
611 return NT_STATUS_NOT_SUPPORTED;
615 setup for an async call
617 static NTSTATUS svfs_async_setup(struct ntvfs_module_context *ntvfs,
618 struct smbsrv_request *req,
627 static NTSTATUS svfs_cancel(struct ntvfs_module_context *ntvfs, struct smbsrv_request *req)
629 return NT_STATUS_UNSUCCESSFUL;
635 static NTSTATUS svfs_lock(struct ntvfs_module_context *ntvfs,
636 struct smbsrv_request *req, union smb_lock *lck)
638 DEBUG(0,("REWRITE: not doing byte range locking!\n"));
643 set info on a pathname
645 static NTSTATUS svfs_setpathinfo(struct ntvfs_module_context *ntvfs,
646 struct smbsrv_request *req, union smb_setfileinfo *st)
648 CHECK_READ_ONLY(req);
650 return NT_STATUS_NOT_SUPPORTED;
654 set info on a open file
656 static NTSTATUS svfs_setfileinfo(struct ntvfs_module_context *ntvfs,
657 struct smbsrv_request *req,
658 union smb_setfileinfo *info)
660 struct utimbuf unix_times;
663 CHECK_READ_ONLY(req);
665 switch (info->generic.level) {
666 case RAW_SFILEINFO_END_OF_FILE_INFO:
667 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
668 if (ftruncate(info->end_of_file_info.file.fnum,
669 info->end_of_file_info.in.size) == -1) {
670 return map_nt_error_from_unix(errno);
673 case RAW_SFILEINFO_SETATTRE:
674 unix_times.actime = info->setattre.in.access_time;
675 unix_times.modtime = info->setattre.in.write_time;
676 fd = info->setattre.file.fnum;
678 if (unix_times.actime == 0 && unix_times.modtime == 0) {
682 /* set modify time = to access time if modify time was 0 */
683 if (unix_times.actime != 0 && unix_times.modtime == 0) {
684 unix_times.modtime = unix_times.actime;
687 /* Set the date on this file */
688 if (svfs_file_utime(fd, &unix_times) != 0) {
689 return NT_STATUS_ACCESS_DENIED;
693 DEBUG(2,("svfs_setfileinfo: level %d not implemented\n",
694 info->generic.level));
695 return NT_STATUS_NOT_IMPLEMENTED;
702 return filesystem space info
704 static NTSTATUS svfs_fsinfo(struct ntvfs_module_context *ntvfs,
705 struct smbsrv_request *req, union smb_fsinfo *fs)
707 struct svfs_private *private = ntvfs->private_data;
710 if (fs->generic.level != RAW_QFS_GENERIC) {
711 return ntvfs_map_fsinfo(req, fs, ntvfs);
714 if (sys_fsusage(private->connectpath,
715 &fs->generic.out.blocks_free,
716 &fs->generic.out.blocks_total) == -1) {
717 return map_nt_error_from_unix(errno);
720 fs->generic.out.block_size = 512;
722 if (stat(private->connectpath, &st) != 0) {
723 return NT_STATUS_DISK_CORRUPT_ERROR;
726 fs->generic.out.fs_id = st.st_ino;
727 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
728 fs->generic.out.serial_number = st.st_ino;
729 fs->generic.out.fs_attr = 0;
730 fs->generic.out.max_file_component_length = 255;
731 fs->generic.out.device_type = 0;
732 fs->generic.out.device_characteristics = 0;
733 fs->generic.out.quota_soft = 0;
734 fs->generic.out.quota_hard = 0;
735 fs->generic.out.quota_flags = 0;
736 fs->generic.out.volume_name = talloc_strdup(req, lp_servicename(req->tcon->service));
737 fs->generic.out.fs_type = req->tcon->fs_type;
744 return filesystem attribute info
746 static NTSTATUS svfs_fsattr(struct ntvfs_module_context *ntvfs,
747 struct smbsrv_request *req, union smb_fsattr *fs)
750 struct svfs_private *private = ntvfs->private_data;
752 if (fs->generic.level != RAW_FSATTR_GENERIC) {
753 return ntvfs_map_fsattr(req, fs, ntvfs);
756 if (stat(private->connectpath, &st) == -1) {
757 return map_nt_error_from_unix(errno);
760 unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime);
761 fs->generic.out.fs_attr =
762 FILE_CASE_PRESERVED_NAMES |
763 FILE_CASE_SENSITIVE_SEARCH |
764 FILE_PERSISTENT_ACLS;
765 fs->generic.out.max_file_component_length = 255;
766 fs->generic.out.serial_number = 1;
767 fs->generic.out.fs_type = talloc_strdup(req, "NTFS");
768 fs->generic.out.volume_name = talloc_strdup(req,
769 lp_servicename(req->tcon->service));
776 return print queue info
778 static NTSTATUS svfs_lpq(struct ntvfs_module_context *ntvfs,
779 struct smbsrv_request *req, union smb_lpq *lpq)
781 return NT_STATUS_NOT_SUPPORTED;
785 list files in a directory matching a wildcard pattern
787 static NTSTATUS svfs_search_first(struct ntvfs_module_context *ntvfs,
788 struct smbsrv_request *req, union smb_search_first *io,
789 void *search_private,
790 BOOL (*callback)(void *, union smb_search_data *))
792 struct svfs_dir *dir;
794 struct svfs_private *private = ntvfs->private_data;
795 struct search_state *search;
796 union smb_search_data file;
799 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
800 return NT_STATUS_NOT_SUPPORTED;
803 search = talloc_zero(private, struct search_state);
805 return NT_STATUS_NO_MEMORY;
808 max_count = io->t2ffirst.in.max_count;
810 dir = svfs_list(ntvfs, req, io->t2ffirst.in.pattern);
812 return NT_STATUS_FOOBAR;
815 search->handle = private->next_search_handle;
818 if (dir->count < max_count) {
819 max_count = dir->count;
822 for (i=0; i < max_count;i++) {
824 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
825 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
826 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
827 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
828 file.both_directory_info.name.s = dir->files[i].name;
829 file.both_directory_info.short_name.s = dir->files[i].name;
830 file.both_directory_info.size = dir->files[i].st.st_size;
831 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
833 if (!callback(search_private, &file)) {
838 search->current_index = i;
840 io->t2ffirst.out.count = i;
841 io->t2ffirst.out.handle = search->handle;
842 io->t2ffirst.out.end_of_search = (i == dir->count) ? 1 : 0;
844 /* work out if we are going to keep the search state */
845 if ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
846 ((io->t2ffirst.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
849 private->next_search_handle++;
850 DLIST_ADD(private->search, search);
856 /* continue a search */
857 static NTSTATUS svfs_search_next(struct ntvfs_module_context *ntvfs,
858 struct smbsrv_request *req, union smb_search_next *io,
859 void *search_private,
860 BOOL (*callback)(void *, union smb_search_data *))
862 struct svfs_dir *dir;
864 struct svfs_private *private = ntvfs->private_data;
865 struct search_state *search;
866 union smb_search_data file;
869 if (io->generic.level != RAW_SEARCH_BOTH_DIRECTORY_INFO) {
870 return NT_STATUS_NOT_SUPPORTED;
873 for (search=private->search; search; search = search->next) {
874 if (search->handle == io->t2fnext.in.handle) break;
878 /* we didn't find the search handle */
879 return NT_STATUS_FOOBAR;
884 /* the client might be asking for something other than just continuing
886 if (!(io->t2fnext.in.flags & FLAG_TRANS2_FIND_CONTINUE) &&
887 (io->t2fnext.in.flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) &&
888 io->t2fnext.in.last_name && *io->t2fnext.in.last_name) {
889 /* look backwards first */
890 for (i=search->current_index; i > 0; i--) {
891 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
892 search->current_index = i;
897 /* then look forwards */
898 for (i=search->current_index+1; i <= dir->count; i++) {
899 if (strcmp(io->t2fnext.in.last_name, dir->files[i-1].name) == 0) {
900 search->current_index = i;
907 max_count = search->current_index + io->t2fnext.in.max_count;
909 if (max_count > dir->count) {
910 max_count = dir->count;
913 for (i = search->current_index; i < max_count;i++) {
915 unix_to_nt_time(&file.both_directory_info.create_time, dir->files[i].st.st_ctime);
916 unix_to_nt_time(&file.both_directory_info.access_time, dir->files[i].st.st_atime);
917 unix_to_nt_time(&file.both_directory_info.write_time, dir->files[i].st.st_mtime);
918 unix_to_nt_time(&file.both_directory_info.change_time, dir->files[i].st.st_mtime);
919 file.both_directory_info.name.s = dir->files[i].name;
920 file.both_directory_info.short_name.s = dir->files[i].name;
921 file.both_directory_info.size = dir->files[i].st.st_size;
922 file.both_directory_info.attrib = svfs_unix_to_dos_attrib(dir->files[i].st.st_mode);
924 if (!callback(search_private, &file)) {
929 io->t2fnext.out.count = i - search->current_index;
930 io->t2fnext.out.end_of_search = (i == dir->count) ? 1 : 0;
932 search->current_index = i;
934 /* work out if we are going to keep the search state */
935 if ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE) ||
936 ((io->t2fnext.in.flags & FLAG_TRANS2_FIND_CLOSE_IF_END) && (i == dir->count))) {
937 DLIST_REMOVE(private->search, search);
945 static NTSTATUS svfs_search_close(struct ntvfs_module_context *ntvfs,
946 struct smbsrv_request *req, union smb_search_close *io)
948 struct svfs_private *private = ntvfs->private_data;
949 struct search_state *search;
951 for (search=private->search; search; search = search->next) {
952 if (search->handle == io->findclose.in.handle) break;
956 /* we didn't find the search handle */
957 return NT_STATUS_FOOBAR;
960 DLIST_REMOVE(private->search, search);
966 /* SMBtrans - not used on file shares */
967 static NTSTATUS svfs_trans(struct ntvfs_module_context *ntvfs,
968 struct smbsrv_request *req, struct smb_trans2 *trans2)
970 return NT_STATUS_ACCESS_DENIED;
975 initialialise the POSIX disk backend, registering ourselves with the ntvfs subsystem
977 NTSTATUS ntvfs_simple_init(void)
980 struct ntvfs_ops ops;
984 /* fill in all the operations */
985 ops.connect = svfs_connect;
986 ops.disconnect = svfs_disconnect;
987 ops.unlink = svfs_unlink;
988 ops.chkpath = svfs_chkpath;
989 ops.qpathinfo = svfs_qpathinfo;
990 ops.setpathinfo = svfs_setpathinfo;
991 ops.openfile = svfs_open;
992 ops.mkdir = svfs_mkdir;
993 ops.rmdir = svfs_rmdir;
994 ops.rename = svfs_rename;
995 ops.copy = svfs_copy;
996 ops.ioctl = svfs_ioctl;
997 ops.read = svfs_read;
998 ops.write = svfs_write;
999 ops.seek = svfs_seek;
1000 ops.flush = svfs_flush;
1001 ops.close = svfs_close;
1002 ops.exit = svfs_exit;
1003 ops.lock = svfs_lock;
1004 ops.setfileinfo = svfs_setfileinfo;
1005 ops.qfileinfo = svfs_qfileinfo;
1006 ops.fsinfo = svfs_fsinfo;
1008 ops.search_first = svfs_search_first;
1009 ops.search_next = svfs_search_next;
1010 ops.search_close = svfs_search_close;
1011 ops.trans = svfs_trans;
1012 ops.logoff = svfs_logoff;
1013 ops.async_setup = svfs_async_setup;
1014 ops.cancel = svfs_cancel;
1016 /* register ourselves with the NTVFS subsystem. We register
1017 under names 'simple'
1020 ops.type = NTVFS_DISK;
1021 ops.name = "simple";
1022 ret = ntvfs_register(&ops);
1024 if (!NT_STATUS_IS_OK(ret)) {
1025 DEBUG(0,("Failed to register simple backend with name: %s!\n",