2 Unix SMB/CIFS implementation.
3 Wrap disk only vfs functions to sidestep dodgy compilers.
4 Copyright (C) Tim Potter 1998
5 Copyright (C) Jeremy Allison 2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #define DBGC_CLASS DBGC_VFS
26 /* Check for NULL pointer parameters in vfswrap_* functions */
28 /* We don't want to have NULL function pointers lying around. Someone
29 is sure to try and execute them. These stubs are used to prevent
32 static int vfswrap_connect(vfs_handle_struct *handle, const char *service, const char *user)
34 return 0; /* Return >= 0 for success */
37 static void vfswrap_disconnect(vfs_handle_struct *handle)
43 static uint64_t vfswrap_disk_free(vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
44 uint64_t *dfree, uint64_t *dsize)
48 result = sys_disk_free(handle->conn, path, small_query, bsize, dfree, dsize);
52 static int vfswrap_get_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
54 #ifdef HAVE_SYS_QUOTAS
57 START_PROFILE(syscall_get_quota);
58 result = sys_get_quota(handle->conn->connectpath, qtype, id, qt);
59 END_PROFILE(syscall_get_quota);
67 static int vfswrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
69 #ifdef HAVE_SYS_QUOTAS
72 START_PROFILE(syscall_set_quota);
73 result = sys_set_quota(handle->conn->connectpath, qtype, id, qt);
74 END_PROFILE(syscall_set_quota);
82 static int vfswrap_get_shadow_copy_data(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels)
85 return -1; /* Not implemented. */
88 static int vfswrap_statvfs(struct vfs_handle_struct *handle, const char *path, vfs_statvfs_struct *statbuf)
90 return sys_statvfs(path, statbuf);
93 static uint32_t vfswrap_fs_capabilities(struct vfs_handle_struct *handle)
96 struct vfs_statvfs_struct statbuf;
98 sys_statvfs(handle->conn->connectpath, &statbuf);
99 return statbuf.FsCapabilities;
101 return FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
104 /* Directory operations */
106 static SMB_STRUCT_DIR *vfswrap_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
108 SMB_STRUCT_DIR *result;
110 START_PROFILE(syscall_opendir);
111 result = sys_opendir(fname);
112 END_PROFILE(syscall_opendir);
116 static SMB_STRUCT_DIRENT *vfswrap_readdir(vfs_handle_struct *handle,
117 SMB_STRUCT_DIR *dirp,
118 SMB_STRUCT_STAT *sbuf)
120 SMB_STRUCT_DIRENT *result;
122 START_PROFILE(syscall_readdir);
123 result = sys_readdir(dirp);
124 /* Default Posix readdir() does not give us stat info.
125 * Set to invalid to indicate we didn't return this info. */
127 SET_STAT_INVALID(*sbuf);
128 END_PROFILE(syscall_readdir);
132 static void vfswrap_seekdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset)
134 START_PROFILE(syscall_seekdir);
135 sys_seekdir(dirp, offset);
136 END_PROFILE(syscall_seekdir);
139 static long vfswrap_telldir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
142 START_PROFILE(syscall_telldir);
143 result = sys_telldir(dirp);
144 END_PROFILE(syscall_telldir);
148 static void vfswrap_rewinddir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
150 START_PROFILE(syscall_rewinddir);
152 END_PROFILE(syscall_rewinddir);
155 static int vfswrap_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
158 bool has_dacl = False;
161 START_PROFILE(syscall_mkdir);
163 if (lp_inherit_acls(SNUM(handle->conn))
164 && parent_dirname(talloc_tos(), path, &parent, NULL)
165 && (has_dacl = directory_has_default_acl(handle->conn, parent)))
170 result = mkdir(path, mode);
172 if (result == 0 && !has_dacl) {
174 * We need to do this as the default behavior of POSIX ACLs
175 * is to set the mask to be the requested group permission
176 * bits, not the group permission bits to be the requested
177 * group permission bits. This is not what we want, as it will
178 * mess up any inherited ACL bits that were set. JRA.
180 int saved_errno = errno; /* We may get ENOSYS */
181 if ((SMB_VFS_CHMOD_ACL(handle->conn, path, mode) == -1) && (errno == ENOSYS))
185 END_PROFILE(syscall_mkdir);
189 static int vfswrap_rmdir(vfs_handle_struct *handle, const char *path)
193 START_PROFILE(syscall_rmdir);
194 result = rmdir(path);
195 END_PROFILE(syscall_rmdir);
199 static int vfswrap_closedir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
203 START_PROFILE(syscall_closedir);
204 result = sys_closedir(dirp);
205 END_PROFILE(syscall_closedir);
209 static void vfswrap_init_search_op(vfs_handle_struct *handle,
210 SMB_STRUCT_DIR *dirp)
212 /* Default behavior is a NOOP */
215 /* File operations */
217 static int vfswrap_open(vfs_handle_struct *handle,
218 struct smb_filename *smb_fname,
219 files_struct *fsp, int flags, mode_t mode)
225 START_PROFILE(syscall_open);
228 * XXX: Should an error be returned if there is a stream rather than
229 * trying to open a filename with a ':'?
231 status = get_full_smb_filename(talloc_tos(), smb_fname,
233 if (!NT_STATUS_IS_OK(status)) {
234 errno = map_errno_from_nt_status(status);
238 result = sys_open(fname, flags, mode);
242 END_PROFILE(syscall_open);
246 static NTSTATUS vfswrap_create_file(vfs_handle_struct *handle,
247 struct smb_request *req,
248 uint16_t root_dir_fid,
249 struct smb_filename *smb_fname,
250 uint32_t access_mask,
251 uint32_t share_access,
252 uint32_t create_disposition,
253 uint32_t create_options,
254 uint32_t file_attributes,
255 uint32_t oplock_request,
256 uint64_t allocation_size,
257 struct security_descriptor *sd,
258 struct ea_list *ea_list,
259 files_struct **result,
262 return create_file_default(handle->conn, req, root_dir_fid, smb_fname,
263 access_mask, share_access,
264 create_disposition, create_options,
265 file_attributes, oplock_request,
266 allocation_size, sd, ea_list, result,
270 static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp)
274 START_PROFILE(syscall_close);
275 result = fd_close_posix(fsp);
276 END_PROFILE(syscall_close);
280 static ssize_t vfswrap_read(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n)
284 START_PROFILE_BYTES(syscall_read, n);
285 result = sys_read(fsp->fh->fd, data, n);
286 END_PROFILE(syscall_read);
290 static ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, void *data,
291 size_t n, SMB_OFF_T offset)
295 #if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
296 START_PROFILE_BYTES(syscall_pread, n);
297 result = sys_pread(fsp->fh->fd, data, n, offset);
298 END_PROFILE(syscall_pread);
300 if (result == -1 && errno == ESPIPE) {
301 /* Maintain the fiction that pipes can be seeked (sought?) on. */
302 result = SMB_VFS_READ(fsp, data, n);
306 #else /* HAVE_PREAD */
310 curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
311 if (curr == -1 && errno == ESPIPE) {
312 /* Maintain the fiction that pipes can be seeked (sought?) on. */
313 result = SMB_VFS_READ(fsp, data, n);
318 if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
323 result = SMB_VFS_READ(fsp, data, n);
326 SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
329 #endif /* HAVE_PREAD */
334 static ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
338 START_PROFILE_BYTES(syscall_write, n);
339 result = sys_write(fsp->fh->fd, data, n);
340 END_PROFILE(syscall_write);
344 static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data,
345 size_t n, SMB_OFF_T offset)
349 #if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
350 START_PROFILE_BYTES(syscall_pwrite, n);
351 result = sys_pwrite(fsp->fh->fd, data, n, offset);
352 END_PROFILE(syscall_pwrite);
354 if (result == -1 && errno == ESPIPE) {
355 /* Maintain the fiction that pipes can be sought on. */
356 result = SMB_VFS_WRITE(fsp, data, n);
359 #else /* HAVE_PWRITE */
363 curr = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
368 if (SMB_VFS_LSEEK(fsp, offset, SEEK_SET) == -1) {
372 result = SMB_VFS_WRITE(fsp, data, n);
375 SMB_VFS_LSEEK(fsp, curr, SEEK_SET);
378 #endif /* HAVE_PWRITE */
383 static SMB_OFF_T vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset, int whence)
385 SMB_OFF_T result = 0;
387 START_PROFILE(syscall_lseek);
389 /* Cope with 'stat' file opens. */
390 if (fsp->fh->fd != -1)
391 result = sys_lseek(fsp->fh->fd, offset, whence);
394 * We want to maintain the fiction that we can seek
395 * on a fifo for file system purposes. This allows
396 * people to set up UNIX fifo's that feed data to Windows
400 if((result == -1) && (errno == ESPIPE)) {
405 END_PROFILE(syscall_lseek);
409 static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
410 SMB_OFF_T offset, size_t n)
414 START_PROFILE_BYTES(syscall_sendfile, n);
415 result = sys_sendfile(tofd, fromfsp->fh->fd, hdr, offset, n);
416 END_PROFILE(syscall_sendfile);
420 static ssize_t vfswrap_recvfile(vfs_handle_struct *handle,
428 START_PROFILE_BYTES(syscall_recvfile, n);
429 result = sys_recvfile(fromfd, tofsp->fh->fd, offset, n);
430 END_PROFILE(syscall_recvfile);
434 /*********************************************************
435 For rename across filesystems Patch from Warren Birnbaum
436 <warrenb@hpcvscdp.cv.hp.com>
437 **********************************************************/
439 static int copy_reg(const char *source, const char *dest)
441 SMB_STRUCT_STAT source_stats;
446 if (sys_lstat (source, &source_stats) == -1)
449 if (!S_ISREG (source_stats.st_ex_mode))
452 if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
455 if (unlink (dest) && errno != ENOENT)
459 if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
461 if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
465 if (transfer_file(ifd, ofd, (size_t)-1) == -1)
469 * Try to preserve ownership. For non-root it might fail, but that's ok.
470 * But root probably wants to know, e.g. if NFS disallows it.
474 if ((fchown(ofd, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
476 if ((chown(dest, source_stats.st_ex_uid, source_stats.st_ex_gid) == -1) && (errno != EPERM))
481 * fchown turns off set[ug]id bits for non-root,
482 * so do the chmod last.
485 #if defined(HAVE_FCHMOD)
486 if (fchmod (ofd, source_stats.st_ex_mode & 07777))
488 if (chmod (dest, source_stats.st_ex_mode & 07777))
492 if (close (ifd) == -1)
495 if (close (ofd) == -1)
498 /* Try to copy the old file's modtime and access time. */
502 tv.actime = convert_timespec_to_time_t(source_stats.st_ex_atime);
503 tv.modtime = convert_timespec_to_time_t(source_stats.st_ex_mtime);
507 if (unlink (source) == -1)
523 static int vfswrap_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
527 START_PROFILE(syscall_rename);
528 result = rename(oldname, newname);
529 if ((result == -1) && (errno == EXDEV)) {
530 /* Rename across filesystems needed. */
531 result = copy_reg(oldname, newname);
534 END_PROFILE(syscall_rename);
538 static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp)
543 START_PROFILE(syscall_fsync);
544 result = fsync(fsp->fh->fd);
545 END_PROFILE(syscall_fsync);
552 static int vfswrap_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf)
556 START_PROFILE(syscall_stat);
557 result = sys_stat(fname, sbuf);
558 END_PROFILE(syscall_stat);
562 static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
566 START_PROFILE(syscall_fstat);
567 result = sys_fstat(fsp->fh->fd, sbuf);
568 END_PROFILE(syscall_fstat);
572 int vfswrap_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
576 START_PROFILE(syscall_lstat);
577 result = sys_lstat(path, sbuf);
578 END_PROFILE(syscall_lstat);
582 /********************************************************************
583 Given a stat buffer return the allocated size on disk, taking into
584 account sparse files.
585 ********************************************************************/
586 static uint64_t vfswrap_get_alloc_size(vfs_handle_struct *handle,
587 struct files_struct *fsp,
588 const SMB_STRUCT_STAT *sbuf)
592 START_PROFILE(syscall_get_alloc_size);
594 if(S_ISDIR(sbuf->st_ex_mode)) {
599 #if defined(HAVE_STAT_ST_BLOCKS) && defined(STAT_ST_BLOCKSIZE)
600 result = (uint64_t)STAT_ST_BLOCKSIZE * (uint64_t)sbuf->st_ex_blocks;
602 result = get_file_size_stat(sbuf);
605 if (fsp && fsp->initial_allocation_size)
606 result = MAX(result,fsp->initial_allocation_size);
608 result = smb_roundup(handle->conn, result);
611 END_PROFILE(syscall_get_alloc_size);
615 static int vfswrap_unlink(vfs_handle_struct *handle, const char *path)
619 START_PROFILE(syscall_unlink);
620 result = unlink(path);
621 END_PROFILE(syscall_unlink);
625 static int vfswrap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
629 START_PROFILE(syscall_chmod);
632 * We need to do this due to the fact that the default POSIX ACL
633 * chmod modifies the ACL *mask* for the group owner, not the
634 * group owner bits directly. JRA.
639 int saved_errno = errno; /* We might get ENOSYS */
640 if ((result = SMB_VFS_CHMOD_ACL(handle->conn, path, mode)) == 0) {
641 END_PROFILE(syscall_chmod);
644 /* Error - return the old errno. */
648 result = chmod(path, mode);
649 END_PROFILE(syscall_chmod);
653 static int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
657 START_PROFILE(syscall_fchmod);
660 * We need to do this due to the fact that the default POSIX ACL
661 * chmod modifies the ACL *mask* for the group owner, not the
662 * group owner bits directly. JRA.
666 int saved_errno = errno; /* We might get ENOSYS */
667 if ((result = SMB_VFS_FCHMOD_ACL(fsp, mode)) == 0) {
668 END_PROFILE(syscall_fchmod);
671 /* Error - return the old errno. */
675 #if defined(HAVE_FCHMOD)
676 result = fchmod(fsp->fh->fd, mode);
682 END_PROFILE(syscall_fchmod);
686 static int vfswrap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
690 START_PROFILE(syscall_chown);
691 result = chown(path, uid, gid);
692 END_PROFILE(syscall_chown);
696 static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
701 START_PROFILE(syscall_fchown);
702 result = fchown(fsp->fh->fd, uid, gid);
703 END_PROFILE(syscall_fchown);
711 static int vfswrap_lchown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
715 START_PROFILE(syscall_lchown);
716 result = lchown(path, uid, gid);
717 END_PROFILE(syscall_lchown);
721 static int vfswrap_chdir(vfs_handle_struct *handle, const char *path)
725 START_PROFILE(syscall_chdir);
726 result = chdir(path);
727 END_PROFILE(syscall_chdir);
731 static char *vfswrap_getwd(vfs_handle_struct *handle, char *path)
735 START_PROFILE(syscall_getwd);
736 result = sys_getwd(path);
737 END_PROFILE(syscall_getwd);
741 /*********************************************************************
742 nsec timestamp resolution call. Convert down to whatever the underlying
744 **********************************************************************/
746 static int vfswrap_ntimes(vfs_handle_struct *handle, const char *path,
747 struct smb_file_time *ft)
751 START_PROFILE(syscall_ntimes);
752 #if defined(HAVE_UTIMES)
754 struct timeval tv[2];
755 tv[0] = convert_timespec_to_timeval(ft->atime);
756 tv[1] = convert_timespec_to_timeval(ft->mtime);
757 result = utimes(path, tv);
759 result = utimes(path, NULL);
761 #elif defined(HAVE_UTIME)
763 struct utimbuf times;
764 times.actime = convert_timespec_to_time_t(ft->atime);
765 times.modtime = convert_timespec_to_time_t(ft->mtime);
766 result = utime(path, ×);
768 result = utime(path, NULL);
774 END_PROFILE(syscall_ntimes);
778 /*********************************************************************
779 A version of ftruncate that will write the space on disk if strict
781 **********************************************************************/
783 static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T len)
786 SMB_OFF_T currpos = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
787 unsigned char zero_space[4096];
788 SMB_OFF_T space_to_write;
793 if (SMB_VFS_FSTAT(fsp, &st) == -1)
796 space_to_write = len - st.st_ex_size;
799 if (S_ISFIFO(st.st_ex_mode))
803 if (st.st_ex_size == len)
806 /* Shrink - just ftruncate. */
807 if (st.st_ex_size > len)
808 return sys_ftruncate(fsp->fh->fd, len);
810 /* available disk space is enough or not? */
811 if (lp_strict_allocate(SNUM(fsp->conn))){
812 uint64_t space_avail;
813 uint64_t bsize,dfree,dsize;
815 space_avail = get_dfree_info(fsp->conn,fsp->fsp_name,false,&bsize,&dfree,&dsize);
816 /* space_avail is 1k blocks */
817 if (space_avail == (uint64_t)-1 ||
818 ((uint64_t)space_to_write/1024 > space_avail) ) {
824 /* Write out the real space on disk. */
825 if (SMB_VFS_LSEEK(fsp, st.st_ex_size, SEEK_SET) != st.st_ex_size)
828 space_to_write = len - st.st_ex_size;
830 memset(zero_space, '\0', sizeof(zero_space));
831 while ( space_to_write > 0) {
833 SMB_OFF_T current_len_to_write = MIN(sizeof(zero_space),space_to_write);
835 retlen = SMB_VFS_WRITE(fsp,(char *)zero_space,current_len_to_write);
839 space_to_write -= retlen;
842 /* Seek to where we were */
843 if (SMB_VFS_LSEEK(fsp, currpos, SEEK_SET) != currpos)
849 static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T len)
856 START_PROFILE(syscall_ftruncate);
858 if (lp_strict_allocate(SNUM(fsp->conn))) {
859 result = strict_allocate_ftruncate(handle, fsp, len);
860 END_PROFILE(syscall_ftruncate);
864 /* we used to just check HAVE_FTRUNCATE_EXTEND and only use
865 sys_ftruncate if the system supports it. Then I discovered that
866 you can have some filesystems that support ftruncate
867 expansion and some that don't! On Linux fat can't do
868 ftruncate extend but ext2 can. */
870 result = sys_ftruncate(fsp->fh->fd, len);
874 /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
875 extend a file with ftruncate. Provide alternate implementation
877 currpos = SMB_VFS_LSEEK(fsp, 0, SEEK_CUR);
882 /* Do an fstat to see if the file is longer than the requested
883 size in which case the ftruncate above should have
884 succeeded or shorter, in which case seek to len - 1 and
885 write 1 byte of zero */
886 if (SMB_VFS_FSTAT(fsp, &st) == -1) {
891 if (S_ISFIFO(st.st_ex_mode)) {
897 if (st.st_ex_size == len) {
902 if (st.st_ex_size > len) {
903 /* the sys_ftruncate should have worked */
907 if (SMB_VFS_LSEEK(fsp, len-1, SEEK_SET) != len -1)
910 if (SMB_VFS_WRITE(fsp, &c, 1)!=1)
913 /* Seek to where we were */
914 if (SMB_VFS_LSEEK(fsp, currpos, SEEK_SET) != currpos)
920 END_PROFILE(syscall_ftruncate);
924 static bool vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
928 START_PROFILE(syscall_fcntl_lock);
929 result = fcntl_lock(fsp->fh->fd, op, offset, count, type);
930 END_PROFILE(syscall_fcntl_lock);
934 static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
937 START_PROFILE(syscall_kernel_flock);
938 kernel_flock(fsp->fh->fd, share_mode);
939 END_PROFILE(syscall_kernel_flock);
943 static bool vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
947 START_PROFILE(syscall_fcntl_getlock);
948 result = fcntl_getlock(fsp->fh->fd, poffset, pcount, ptype, ppid);
949 END_PROFILE(syscall_fcntl_getlock);
953 static int vfswrap_linux_setlease(vfs_handle_struct *handle, files_struct *fsp,
958 START_PROFILE(syscall_linux_setlease);
960 #ifdef HAVE_KERNEL_OPLOCKS_LINUX
961 /* first set the signal handler */
962 if(linux_set_lease_sighandler(fsp->fh->fd) == -1) {
966 result = linux_setlease(fsp->fh->fd, leasetype);
970 END_PROFILE(syscall_linux_setlease);
974 static int vfswrap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
978 START_PROFILE(syscall_symlink);
979 result = symlink(oldpath, newpath);
980 END_PROFILE(syscall_symlink);
984 static int vfswrap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
988 START_PROFILE(syscall_readlink);
989 result = readlink(path, buf, bufsiz);
990 END_PROFILE(syscall_readlink);
994 static int vfswrap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
998 START_PROFILE(syscall_link);
999 result = link(oldpath, newpath);
1000 END_PROFILE(syscall_link);
1004 static int vfswrap_mknod(vfs_handle_struct *handle, const char *pathname, mode_t mode, SMB_DEV_T dev)
1008 START_PROFILE(syscall_mknod);
1009 result = sys_mknod(pathname, mode, dev);
1010 END_PROFILE(syscall_mknod);
1014 static char *vfswrap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
1018 START_PROFILE(syscall_realpath);
1019 result = realpath(path, resolved_path);
1020 END_PROFILE(syscall_realpath);
1024 static NTSTATUS vfswrap_notify_watch(vfs_handle_struct *vfs_handle,
1025 struct sys_notify_context *ctx,
1026 struct notify_entry *e,
1027 void (*callback)(struct sys_notify_context *ctx,
1029 struct notify_event *ev),
1030 void *private_data, void *handle)
1033 * So far inotify is the only supported default notify mechanism. If
1034 * another platform like the the BSD's or a proprietary Unix comes
1035 * along and wants another default, we can play the same trick we
1036 * played with Posix ACLs.
1038 * Until that is the case, hard-code inotify here.
1041 if (lp_kernel_change_notify(ctx->conn->params)) {
1042 return inotify_watch(ctx, e, callback, private_data, handle);
1046 * Do nothing, leave everything to notify_internal.c
1048 return NT_STATUS_OK;
1051 static int vfswrap_chflags(vfs_handle_struct *handle, const char *path, int flags)
1054 return chflags(path, flags);
1061 static struct file_id vfswrap_file_id_create(struct vfs_handle_struct *handle,
1062 SMB_STRUCT_STAT *sbuf)
1066 /* the ZERO_STRUCT ensures padding doesn't break using the key as a
1070 key.devid = sbuf->st_ex_dev;
1071 key.inode = sbuf->st_ex_ino;
1072 /* key.extid is unused by default. */
1077 static NTSTATUS vfswrap_streaminfo(vfs_handle_struct *handle,
1078 struct files_struct *fsp,
1080 TALLOC_CTX *mem_ctx,
1081 unsigned int *pnum_streams,
1082 struct stream_struct **pstreams)
1084 SMB_STRUCT_STAT sbuf;
1085 unsigned int num_streams = 0;
1086 struct stream_struct *streams = NULL;
1089 if ((fsp != NULL) && (fsp->is_directory)) {
1091 * No default streams on directories
1096 if ((fsp != NULL) && (fsp->fh->fd != -1)) {
1097 ret = SMB_VFS_FSTAT(fsp, &sbuf);
1100 ret = SMB_VFS_STAT(handle->conn, fname, &sbuf);
1104 return map_nt_error_from_unix(errno);
1107 if (S_ISDIR(sbuf.st_ex_mode)) {
1111 streams = talloc(mem_ctx, struct stream_struct);
1113 if (streams == NULL) {
1114 return NT_STATUS_NO_MEMORY;
1117 streams->size = sbuf.st_ex_size;
1118 streams->alloc_size = SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp, &sbuf);
1120 streams->name = talloc_strdup(streams, "::$DATA");
1121 if (streams->name == NULL) {
1122 TALLOC_FREE(streams);
1123 return NT_STATUS_NO_MEMORY;
1128 *pnum_streams = num_streams;
1129 *pstreams = streams;
1130 return NT_STATUS_OK;
1133 static int vfswrap_get_real_filename(struct vfs_handle_struct *handle,
1136 TALLOC_CTX *mem_ctx,
1140 * Don't fall back to get_real_filename so callers can differentiate
1141 * between a full directory scan and an actual case-insensitive stat.
1147 static const char *vfswrap_connectpath(struct vfs_handle_struct *handle,
1150 return handle->conn->connectpath;
1153 static NTSTATUS vfswrap_brl_lock_windows(struct vfs_handle_struct *handle,
1154 struct byte_range_lock *br_lck,
1155 struct lock_struct *plock,
1157 struct blocking_lock_record *blr)
1159 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
1161 /* Note: blr is not used in the default implementation. */
1162 return brl_lock_windows_default(br_lck, plock, blocking_lock);
1165 static bool vfswrap_brl_unlock_windows(struct vfs_handle_struct *handle,
1166 struct messaging_context *msg_ctx,
1167 struct byte_range_lock *br_lck,
1168 const struct lock_struct *plock)
1170 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
1172 return brl_unlock_windows_default(msg_ctx, br_lck, plock);
1175 static bool vfswrap_brl_cancel_windows(struct vfs_handle_struct *handle,
1176 struct byte_range_lock *br_lck,
1177 struct lock_struct *plock,
1178 struct blocking_lock_record *blr)
1180 SMB_ASSERT(plock->lock_flav == WINDOWS_LOCK);
1182 /* Note: blr is not used in the default implementation. */
1183 return brl_lock_cancel_default(br_lck, plock);
1186 static bool vfswrap_strict_lock(struct vfs_handle_struct *handle,
1188 struct lock_struct *plock)
1190 SMB_ASSERT(plock->lock_type == READ_LOCK ||
1191 plock->lock_type == WRITE_LOCK);
1193 return strict_lock_default(fsp, plock);
1196 static void vfswrap_strict_unlock(struct vfs_handle_struct *handle,
1198 struct lock_struct *plock)
1200 SMB_ASSERT(plock->lock_type == READ_LOCK ||
1201 plock->lock_type == WRITE_LOCK);
1203 strict_unlock_default(fsp, plock);
1206 /* NT ACL operations. */
1208 static NTSTATUS vfswrap_fget_nt_acl(vfs_handle_struct *handle,
1210 uint32 security_info, SEC_DESC **ppdesc)
1214 START_PROFILE(fget_nt_acl);
1215 result = posix_fget_nt_acl(fsp, security_info, ppdesc);
1216 END_PROFILE(fget_nt_acl);
1220 static NTSTATUS vfswrap_get_nt_acl(vfs_handle_struct *handle,
1222 uint32 security_info, SEC_DESC **ppdesc)
1226 START_PROFILE(get_nt_acl);
1227 result = posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
1228 END_PROFILE(get_nt_acl);
1232 static NTSTATUS vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
1236 START_PROFILE(fset_nt_acl);
1237 result = set_nt_acl(fsp, security_info_sent, psd);
1238 END_PROFILE(fset_nt_acl);
1242 static int vfswrap_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode)
1250 START_PROFILE(chmod_acl);
1251 result = chmod_acl(handle->conn, name, mode);
1252 END_PROFILE(chmod_acl);
1257 static int vfswrap_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1265 START_PROFILE(fchmod_acl);
1266 result = fchmod_acl(fsp, mode);
1267 END_PROFILE(fchmod_acl);
1272 static int vfswrap_sys_acl_get_entry(vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
1274 return sys_acl_get_entry(theacl, entry_id, entry_p);
1277 static int vfswrap_sys_acl_get_tag_type(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
1279 return sys_acl_get_tag_type(entry_d, tag_type_p);
1282 static int vfswrap_sys_acl_get_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
1284 return sys_acl_get_permset(entry_d, permset_p);
1287 static void * vfswrap_sys_acl_get_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d)
1289 return sys_acl_get_qualifier(entry_d);
1292 static SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type)
1294 return sys_acl_get_file(handle, path_p, type);
1297 static SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp)
1299 return sys_acl_get_fd(handle, fsp);
1302 static int vfswrap_sys_acl_clear_perms(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset)
1304 return sys_acl_clear_perms(permset);
1307 static int vfswrap_sys_acl_add_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
1309 return sys_acl_add_perm(permset, perm);
1312 static char * vfswrap_sys_acl_to_text(vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen)
1314 return sys_acl_to_text(theacl, plen);
1317 static SMB_ACL_T vfswrap_sys_acl_init(vfs_handle_struct *handle, int count)
1319 return sys_acl_init(count);
1322 static int vfswrap_sys_acl_create_entry(vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1324 return sys_acl_create_entry(pacl, pentry);
1327 static int vfswrap_sys_acl_set_tag_type(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
1329 return sys_acl_set_tag_type(entry, tagtype);
1332 static int vfswrap_sys_acl_set_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual)
1334 return sys_acl_set_qualifier(entry, qual);
1337 static int vfswrap_sys_acl_set_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
1339 return sys_acl_set_permset(entry, permset);
1342 static int vfswrap_sys_acl_valid(vfs_handle_struct *handle, SMB_ACL_T theacl )
1344 return sys_acl_valid(theacl );
1347 static int vfswrap_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
1349 return sys_acl_set_file(handle, name, acltype, theacl);
1352 static int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
1354 return sys_acl_set_fd(handle, fsp, theacl);
1357 static int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
1359 return sys_acl_delete_def_file(handle, path);
1362 static int vfswrap_sys_acl_get_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
1364 return sys_acl_get_perm(permset, perm);
1367 static int vfswrap_sys_acl_free_text(vfs_handle_struct *handle, char *text)
1369 return sys_acl_free_text(text);
1372 static int vfswrap_sys_acl_free_acl(vfs_handle_struct *handle, SMB_ACL_T posix_acl)
1374 return sys_acl_free_acl(posix_acl);
1377 static int vfswrap_sys_acl_free_qualifier(vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype)
1379 return sys_acl_free_qualifier(qualifier, tagtype);
1382 /****************************************************************
1383 Extended attribute operations.
1384 *****************************************************************/
1386 static ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
1388 return sys_getxattr(path, name, value, size);
1391 static ssize_t vfswrap_lgetxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
1393 return sys_lgetxattr(path, name, value, size);
1396 static ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
1398 return sys_fgetxattr(fsp->fh->fd, name, value, size);
1401 static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
1403 return sys_listxattr(path, list, size);
1406 ssize_t vfswrap_llistxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
1408 return sys_llistxattr(path, list, size);
1411 ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
1413 return sys_flistxattr(fsp->fh->fd, list, size);
1416 static int vfswrap_removexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
1418 return sys_removexattr(path, name);
1421 static int vfswrap_lremovexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
1423 return sys_lremovexattr(path, name);
1426 static int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
1428 return sys_fremovexattr(fsp->fh->fd, name);
1431 static int vfswrap_setxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
1433 return sys_setxattr(path, name, value, size, flags);
1436 static int vfswrap_lsetxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
1438 return sys_lsetxattr(path, name, value, size, flags);
1441 static int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
1443 return sys_fsetxattr(fsp->fh->fd, name, value, size, flags);
1446 static int vfswrap_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1450 * aio_read must be done as root, because in the glibc aio
1451 * implementation the helper thread needs to be able to send a signal
1452 * to the main thread, even when it has done a seteuid() to a
1456 ret = sys_aio_read(aiocb);
1461 static int vfswrap_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1465 * aio_write must be done as root, because in the glibc aio
1466 * implementation the helper thread needs to be able to send a signal
1467 * to the main thread, even when it has done a seteuid() to a
1471 ret = sys_aio_write(aiocb);
1476 static ssize_t vfswrap_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1478 return sys_aio_return(aiocb);
1481 static int vfswrap_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1483 return sys_aio_cancel(fsp->fh->fd, aiocb);
1486 static int vfswrap_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1488 return sys_aio_error(aiocb);
1491 static int vfswrap_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
1493 return sys_aio_fsync(op, aiocb);
1496 static int vfswrap_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout)
1498 return sys_aio_suspend(aiocb, n, timeout);
1501 static bool vfswrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
1506 static bool vfswrap_is_offline(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
1508 if (ISDOT(path) || ISDOTDOT(path)) {
1512 if (!lp_dmapi_support(SNUM(handle->conn)) || !dmapi_have_session()) {
1513 #if defined(ENOTSUP)
1519 return (dmapi_file_flags(path) & FILE_ATTRIBUTE_OFFLINE) != 0;
1522 static int vfswrap_set_offline(struct vfs_handle_struct *handle, const char *path)
1524 /* We don't know how to set offline bit by default, needs to be overriden in the vfs modules */
1525 #if defined(ENOTSUP)
1531 static vfs_op_tuple vfs_default_ops[] = {
1533 /* Disk operations */
1535 {SMB_VFS_OP(vfswrap_connect), SMB_VFS_OP_CONNECT,
1536 SMB_VFS_LAYER_OPAQUE},
1537 {SMB_VFS_OP(vfswrap_disconnect), SMB_VFS_OP_DISCONNECT,
1538 SMB_VFS_LAYER_OPAQUE},
1539 {SMB_VFS_OP(vfswrap_disk_free), SMB_VFS_OP_DISK_FREE,
1540 SMB_VFS_LAYER_OPAQUE},
1541 {SMB_VFS_OP(vfswrap_get_quota), SMB_VFS_OP_GET_QUOTA,
1542 SMB_VFS_LAYER_OPAQUE},
1543 {SMB_VFS_OP(vfswrap_set_quota), SMB_VFS_OP_SET_QUOTA,
1544 SMB_VFS_LAYER_OPAQUE},
1545 {SMB_VFS_OP(vfswrap_get_shadow_copy_data), SMB_VFS_OP_GET_SHADOW_COPY_DATA,
1546 SMB_VFS_LAYER_OPAQUE},
1547 {SMB_VFS_OP(vfswrap_statvfs), SMB_VFS_OP_STATVFS,
1548 SMB_VFS_LAYER_OPAQUE},
1549 {SMB_VFS_OP(vfswrap_fs_capabilities), SMB_VFS_OP_FS_CAPABILITIES,
1550 SMB_VFS_LAYER_OPAQUE},
1552 /* Directory operations */
1554 {SMB_VFS_OP(vfswrap_opendir), SMB_VFS_OP_OPENDIR,
1555 SMB_VFS_LAYER_OPAQUE},
1556 {SMB_VFS_OP(vfswrap_readdir), SMB_VFS_OP_READDIR,
1557 SMB_VFS_LAYER_OPAQUE},
1558 {SMB_VFS_OP(vfswrap_seekdir), SMB_VFS_OP_SEEKDIR,
1559 SMB_VFS_LAYER_OPAQUE},
1560 {SMB_VFS_OP(vfswrap_telldir), SMB_VFS_OP_TELLDIR,
1561 SMB_VFS_LAYER_OPAQUE},
1562 {SMB_VFS_OP(vfswrap_rewinddir), SMB_VFS_OP_REWINDDIR,
1563 SMB_VFS_LAYER_OPAQUE},
1564 {SMB_VFS_OP(vfswrap_mkdir), SMB_VFS_OP_MKDIR,
1565 SMB_VFS_LAYER_OPAQUE},
1566 {SMB_VFS_OP(vfswrap_rmdir), SMB_VFS_OP_RMDIR,
1567 SMB_VFS_LAYER_OPAQUE},
1568 {SMB_VFS_OP(vfswrap_closedir), SMB_VFS_OP_CLOSEDIR,
1569 SMB_VFS_LAYER_OPAQUE},
1570 {SMB_VFS_OP(vfswrap_init_search_op), SMB_VFS_OP_INIT_SEARCH_OP,
1571 SMB_VFS_LAYER_OPAQUE},
1573 /* File operations */
1575 {SMB_VFS_OP(vfswrap_open), SMB_VFS_OP_OPEN,
1576 SMB_VFS_LAYER_OPAQUE},
1577 {SMB_VFS_OP(vfswrap_create_file), SMB_VFS_OP_CREATE_FILE,
1578 SMB_VFS_LAYER_OPAQUE},
1579 {SMB_VFS_OP(vfswrap_close), SMB_VFS_OP_CLOSE,
1580 SMB_VFS_LAYER_OPAQUE},
1581 {SMB_VFS_OP(vfswrap_read), SMB_VFS_OP_READ,
1582 SMB_VFS_LAYER_OPAQUE},
1583 {SMB_VFS_OP(vfswrap_pread), SMB_VFS_OP_PREAD,
1584 SMB_VFS_LAYER_OPAQUE},
1585 {SMB_VFS_OP(vfswrap_write), SMB_VFS_OP_WRITE,
1586 SMB_VFS_LAYER_OPAQUE},
1587 {SMB_VFS_OP(vfswrap_pwrite), SMB_VFS_OP_PWRITE,
1588 SMB_VFS_LAYER_OPAQUE},
1589 {SMB_VFS_OP(vfswrap_lseek), SMB_VFS_OP_LSEEK,
1590 SMB_VFS_LAYER_OPAQUE},
1591 {SMB_VFS_OP(vfswrap_sendfile), SMB_VFS_OP_SENDFILE,
1592 SMB_VFS_LAYER_OPAQUE},
1593 {SMB_VFS_OP(vfswrap_recvfile), SMB_VFS_OP_RECVFILE,
1594 SMB_VFS_LAYER_OPAQUE},
1595 {SMB_VFS_OP(vfswrap_rename), SMB_VFS_OP_RENAME,
1596 SMB_VFS_LAYER_OPAQUE},
1597 {SMB_VFS_OP(vfswrap_fsync), SMB_VFS_OP_FSYNC,
1598 SMB_VFS_LAYER_OPAQUE},
1599 {SMB_VFS_OP(vfswrap_stat), SMB_VFS_OP_STAT,
1600 SMB_VFS_LAYER_OPAQUE},
1601 {SMB_VFS_OP(vfswrap_fstat), SMB_VFS_OP_FSTAT,
1602 SMB_VFS_LAYER_OPAQUE},
1603 {SMB_VFS_OP(vfswrap_lstat), SMB_VFS_OP_LSTAT,
1604 SMB_VFS_LAYER_OPAQUE},
1605 {SMB_VFS_OP(vfswrap_get_alloc_size), SMB_VFS_OP_GET_ALLOC_SIZE,
1606 SMB_VFS_LAYER_OPAQUE},
1607 {SMB_VFS_OP(vfswrap_unlink), SMB_VFS_OP_UNLINK,
1608 SMB_VFS_LAYER_OPAQUE},
1609 {SMB_VFS_OP(vfswrap_chmod), SMB_VFS_OP_CHMOD,
1610 SMB_VFS_LAYER_OPAQUE},
1611 {SMB_VFS_OP(vfswrap_fchmod), SMB_VFS_OP_FCHMOD,
1612 SMB_VFS_LAYER_OPAQUE},
1613 {SMB_VFS_OP(vfswrap_chown), SMB_VFS_OP_CHOWN,
1614 SMB_VFS_LAYER_OPAQUE},
1615 {SMB_VFS_OP(vfswrap_fchown), SMB_VFS_OP_FCHOWN,
1616 SMB_VFS_LAYER_OPAQUE},
1617 {SMB_VFS_OP(vfswrap_lchown), SMB_VFS_OP_LCHOWN,
1618 SMB_VFS_LAYER_OPAQUE},
1619 {SMB_VFS_OP(vfswrap_chdir), SMB_VFS_OP_CHDIR,
1620 SMB_VFS_LAYER_OPAQUE},
1621 {SMB_VFS_OP(vfswrap_getwd), SMB_VFS_OP_GETWD,
1622 SMB_VFS_LAYER_OPAQUE},
1623 {SMB_VFS_OP(vfswrap_ntimes), SMB_VFS_OP_NTIMES,
1624 SMB_VFS_LAYER_OPAQUE},
1625 {SMB_VFS_OP(vfswrap_ftruncate), SMB_VFS_OP_FTRUNCATE,
1626 SMB_VFS_LAYER_OPAQUE},
1627 {SMB_VFS_OP(vfswrap_lock), SMB_VFS_OP_LOCK,
1628 SMB_VFS_LAYER_OPAQUE},
1629 {SMB_VFS_OP(vfswrap_kernel_flock), SMB_VFS_OP_KERNEL_FLOCK,
1630 SMB_VFS_LAYER_OPAQUE},
1631 {SMB_VFS_OP(vfswrap_linux_setlease), SMB_VFS_OP_LINUX_SETLEASE,
1632 SMB_VFS_LAYER_OPAQUE},
1633 {SMB_VFS_OP(vfswrap_getlock), SMB_VFS_OP_GETLOCK,
1634 SMB_VFS_LAYER_OPAQUE},
1635 {SMB_VFS_OP(vfswrap_symlink), SMB_VFS_OP_SYMLINK,
1636 SMB_VFS_LAYER_OPAQUE},
1637 {SMB_VFS_OP(vfswrap_readlink), SMB_VFS_OP_READLINK,
1638 SMB_VFS_LAYER_OPAQUE},
1639 {SMB_VFS_OP(vfswrap_link), SMB_VFS_OP_LINK,
1640 SMB_VFS_LAYER_OPAQUE},
1641 {SMB_VFS_OP(vfswrap_mknod), SMB_VFS_OP_MKNOD,
1642 SMB_VFS_LAYER_OPAQUE},
1643 {SMB_VFS_OP(vfswrap_realpath), SMB_VFS_OP_REALPATH,
1644 SMB_VFS_LAYER_OPAQUE},
1645 {SMB_VFS_OP(vfswrap_notify_watch), SMB_VFS_OP_NOTIFY_WATCH,
1646 SMB_VFS_LAYER_OPAQUE},
1647 {SMB_VFS_OP(vfswrap_chflags), SMB_VFS_OP_CHFLAGS,
1648 SMB_VFS_LAYER_OPAQUE},
1649 {SMB_VFS_OP(vfswrap_file_id_create), SMB_VFS_OP_FILE_ID_CREATE,
1650 SMB_VFS_LAYER_OPAQUE},
1651 {SMB_VFS_OP(vfswrap_streaminfo), SMB_VFS_OP_STREAMINFO,
1652 SMB_VFS_LAYER_OPAQUE},
1653 {SMB_VFS_OP(vfswrap_get_real_filename), SMB_VFS_OP_GET_REAL_FILENAME,
1654 SMB_VFS_LAYER_OPAQUE},
1655 {SMB_VFS_OP(vfswrap_connectpath), SMB_VFS_OP_CONNECTPATH,
1656 SMB_VFS_LAYER_OPAQUE},
1657 {SMB_VFS_OP(vfswrap_brl_lock_windows), SMB_VFS_OP_BRL_LOCK_WINDOWS,
1658 SMB_VFS_LAYER_OPAQUE},
1659 {SMB_VFS_OP(vfswrap_brl_unlock_windows),SMB_VFS_OP_BRL_UNLOCK_WINDOWS,
1660 SMB_VFS_LAYER_OPAQUE},
1661 {SMB_VFS_OP(vfswrap_brl_cancel_windows),SMB_VFS_OP_BRL_CANCEL_WINDOWS,
1662 SMB_VFS_LAYER_OPAQUE},
1663 {SMB_VFS_OP(vfswrap_strict_lock), SMB_VFS_OP_STRICT_LOCK,
1664 SMB_VFS_LAYER_OPAQUE},
1665 {SMB_VFS_OP(vfswrap_strict_unlock), SMB_VFS_OP_STRICT_UNLOCK,
1666 SMB_VFS_LAYER_OPAQUE},
1668 /* NT ACL operations. */
1670 {SMB_VFS_OP(vfswrap_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL,
1671 SMB_VFS_LAYER_OPAQUE},
1672 {SMB_VFS_OP(vfswrap_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
1673 SMB_VFS_LAYER_OPAQUE},
1674 {SMB_VFS_OP(vfswrap_fset_nt_acl), SMB_VFS_OP_FSET_NT_ACL,
1675 SMB_VFS_LAYER_OPAQUE},
1677 /* POSIX ACL operations. */
1679 {SMB_VFS_OP(vfswrap_chmod_acl), SMB_VFS_OP_CHMOD_ACL,
1680 SMB_VFS_LAYER_OPAQUE},
1681 {SMB_VFS_OP(vfswrap_fchmod_acl), SMB_VFS_OP_FCHMOD_ACL,
1682 SMB_VFS_LAYER_OPAQUE},
1683 {SMB_VFS_OP(vfswrap_sys_acl_get_entry), SMB_VFS_OP_SYS_ACL_GET_ENTRY,
1684 SMB_VFS_LAYER_OPAQUE},
1685 {SMB_VFS_OP(vfswrap_sys_acl_get_tag_type), SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,
1686 SMB_VFS_LAYER_OPAQUE},
1687 {SMB_VFS_OP(vfswrap_sys_acl_get_permset), SMB_VFS_OP_SYS_ACL_GET_PERMSET,
1688 SMB_VFS_LAYER_OPAQUE},
1689 {SMB_VFS_OP(vfswrap_sys_acl_get_qualifier), SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,
1690 SMB_VFS_LAYER_OPAQUE},
1691 {SMB_VFS_OP(vfswrap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE,
1692 SMB_VFS_LAYER_OPAQUE},
1693 {SMB_VFS_OP(vfswrap_sys_acl_get_fd), SMB_VFS_OP_SYS_ACL_GET_FD,
1694 SMB_VFS_LAYER_OPAQUE},
1695 {SMB_VFS_OP(vfswrap_sys_acl_clear_perms), SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,
1696 SMB_VFS_LAYER_OPAQUE},
1697 {SMB_VFS_OP(vfswrap_sys_acl_add_perm), SMB_VFS_OP_SYS_ACL_ADD_PERM,
1698 SMB_VFS_LAYER_OPAQUE},
1699 {SMB_VFS_OP(vfswrap_sys_acl_to_text), SMB_VFS_OP_SYS_ACL_TO_TEXT,
1700 SMB_VFS_LAYER_OPAQUE},
1701 {SMB_VFS_OP(vfswrap_sys_acl_init), SMB_VFS_OP_SYS_ACL_INIT,
1702 SMB_VFS_LAYER_OPAQUE},
1703 {SMB_VFS_OP(vfswrap_sys_acl_create_entry), SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,
1704 SMB_VFS_LAYER_OPAQUE},
1705 {SMB_VFS_OP(vfswrap_sys_acl_set_tag_type), SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,
1706 SMB_VFS_LAYER_OPAQUE},
1707 {SMB_VFS_OP(vfswrap_sys_acl_set_qualifier), SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,
1708 SMB_VFS_LAYER_OPAQUE},
1709 {SMB_VFS_OP(vfswrap_sys_acl_set_permset), SMB_VFS_OP_SYS_ACL_SET_PERMSET,
1710 SMB_VFS_LAYER_OPAQUE},
1711 {SMB_VFS_OP(vfswrap_sys_acl_valid), SMB_VFS_OP_SYS_ACL_VALID,
1712 SMB_VFS_LAYER_OPAQUE},
1713 {SMB_VFS_OP(vfswrap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE,
1714 SMB_VFS_LAYER_OPAQUE},
1715 {SMB_VFS_OP(vfswrap_sys_acl_set_fd), SMB_VFS_OP_SYS_ACL_SET_FD,
1716 SMB_VFS_LAYER_OPAQUE},
1717 {SMB_VFS_OP(vfswrap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
1718 SMB_VFS_LAYER_OPAQUE},
1719 {SMB_VFS_OP(vfswrap_sys_acl_get_perm), SMB_VFS_OP_SYS_ACL_GET_PERM,
1720 SMB_VFS_LAYER_OPAQUE},
1721 {SMB_VFS_OP(vfswrap_sys_acl_free_text), SMB_VFS_OP_SYS_ACL_FREE_TEXT,
1722 SMB_VFS_LAYER_OPAQUE},
1723 {SMB_VFS_OP(vfswrap_sys_acl_free_acl), SMB_VFS_OP_SYS_ACL_FREE_ACL,
1724 SMB_VFS_LAYER_OPAQUE},
1725 {SMB_VFS_OP(vfswrap_sys_acl_free_qualifier), SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,
1726 SMB_VFS_LAYER_OPAQUE},
1728 /* EA operations. */
1730 {SMB_VFS_OP(vfswrap_getxattr), SMB_VFS_OP_GETXATTR,
1731 SMB_VFS_LAYER_OPAQUE},
1732 {SMB_VFS_OP(vfswrap_lgetxattr), SMB_VFS_OP_LGETXATTR,
1733 SMB_VFS_LAYER_OPAQUE},
1734 {SMB_VFS_OP(vfswrap_fgetxattr), SMB_VFS_OP_FGETXATTR,
1735 SMB_VFS_LAYER_OPAQUE},
1736 {SMB_VFS_OP(vfswrap_listxattr), SMB_VFS_OP_LISTXATTR,
1737 SMB_VFS_LAYER_OPAQUE},
1738 {SMB_VFS_OP(vfswrap_llistxattr), SMB_VFS_OP_LLISTXATTR,
1739 SMB_VFS_LAYER_OPAQUE},
1740 {SMB_VFS_OP(vfswrap_flistxattr), SMB_VFS_OP_FLISTXATTR,
1741 SMB_VFS_LAYER_OPAQUE},
1742 {SMB_VFS_OP(vfswrap_removexattr), SMB_VFS_OP_REMOVEXATTR,
1743 SMB_VFS_LAYER_OPAQUE},
1744 {SMB_VFS_OP(vfswrap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR,
1745 SMB_VFS_LAYER_OPAQUE},
1746 {SMB_VFS_OP(vfswrap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR,
1747 SMB_VFS_LAYER_OPAQUE},
1748 {SMB_VFS_OP(vfswrap_setxattr), SMB_VFS_OP_SETXATTR,
1749 SMB_VFS_LAYER_OPAQUE},
1750 {SMB_VFS_OP(vfswrap_lsetxattr), SMB_VFS_OP_LSETXATTR,
1751 SMB_VFS_LAYER_OPAQUE},
1752 {SMB_VFS_OP(vfswrap_fsetxattr), SMB_VFS_OP_FSETXATTR,
1753 SMB_VFS_LAYER_OPAQUE},
1755 {SMB_VFS_OP(vfswrap_aio_read), SMB_VFS_OP_AIO_READ,
1756 SMB_VFS_LAYER_OPAQUE},
1757 {SMB_VFS_OP(vfswrap_aio_write), SMB_VFS_OP_AIO_WRITE,
1758 SMB_VFS_LAYER_OPAQUE},
1759 {SMB_VFS_OP(vfswrap_aio_return), SMB_VFS_OP_AIO_RETURN,
1760 SMB_VFS_LAYER_OPAQUE},
1761 {SMB_VFS_OP(vfswrap_aio_cancel), SMB_VFS_OP_AIO_CANCEL,
1762 SMB_VFS_LAYER_OPAQUE},
1763 {SMB_VFS_OP(vfswrap_aio_error), SMB_VFS_OP_AIO_ERROR,
1764 SMB_VFS_LAYER_OPAQUE},
1765 {SMB_VFS_OP(vfswrap_aio_fsync), SMB_VFS_OP_AIO_FSYNC,
1766 SMB_VFS_LAYER_OPAQUE},
1767 {SMB_VFS_OP(vfswrap_aio_suspend),SMB_VFS_OP_AIO_SUSPEND,
1768 SMB_VFS_LAYER_OPAQUE},
1770 {SMB_VFS_OP(vfswrap_aio_force), SMB_VFS_OP_AIO_FORCE,
1771 SMB_VFS_LAYER_OPAQUE},
1773 {SMB_VFS_OP(vfswrap_is_offline),SMB_VFS_OP_IS_OFFLINE,
1774 SMB_VFS_LAYER_OPAQUE},
1775 {SMB_VFS_OP(vfswrap_set_offline),SMB_VFS_OP_SET_OFFLINE,
1776 SMB_VFS_LAYER_OPAQUE},
1778 /* Finish VFS operations definition */
1780 {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP,
1784 NTSTATUS vfs_default_init(void);
1785 NTSTATUS vfs_default_init(void)
1787 unsigned int needed = SMB_VFS_OP_LAST + 1; /* convert from index to count */
1789 if (ARRAY_SIZE(vfs_default_ops) != needed) {
1790 DEBUG(0, ("%s: %u ops registered, but %u ops are required\n",
1791 DEFAULT_VFS_MODULE_NAME, (unsigned int)ARRAY_SIZE(vfs_default_ops), needed));
1792 smb_panic("operation(s) missing from default VFS module");
1795 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
1796 DEFAULT_VFS_MODULE_NAME, vfs_default_ops);