2 Unix SMB/CIFS implementation.
3 Wrap disk only vfs functions to sidestep dodgy compilers.
4 Copyright (C) Tim Potter 1998
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 SMB_BIG_UINT vfswrap_disk_free(vfs_handle_struct *handle, const char *path, BOOL small_query, SMB_BIG_UINT *bsize,
44 SMB_BIG_UINT *dfree, SMB_BIG_UINT *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 /* Directory operations */
95 static SMB_STRUCT_DIR *vfswrap_opendir(vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attr)
97 SMB_STRUCT_DIR *result;
99 START_PROFILE(syscall_opendir);
100 result = sys_opendir(fname);
101 END_PROFILE(syscall_opendir);
105 static SMB_STRUCT_DIRENT *vfswrap_readdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
107 SMB_STRUCT_DIRENT *result;
109 START_PROFILE(syscall_readdir);
110 result = sys_readdir(dirp);
111 END_PROFILE(syscall_readdir);
115 static void vfswrap_seekdir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset)
117 START_PROFILE(syscall_seekdir);
118 sys_seekdir(dirp, offset);
119 END_PROFILE(syscall_seekdir);
122 static long vfswrap_telldir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
125 START_PROFILE(syscall_telldir);
126 result = sys_telldir(dirp);
127 END_PROFILE(syscall_telldir);
131 static void vfswrap_rewinddir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
133 START_PROFILE(syscall_rewinddir);
135 END_PROFILE(syscall_rewinddir);
138 static int vfswrap_mkdir(vfs_handle_struct *handle, const char *path, mode_t mode)
141 BOOL has_dacl = False;
143 START_PROFILE(syscall_mkdir);
145 if (lp_inherit_acls(SNUM(handle->conn)) && (has_dacl = directory_has_default_acl(handle->conn, parent_dirname(path))))
148 result = mkdir(path, mode);
150 if (result == 0 && !has_dacl) {
152 * We need to do this as the default behavior of POSIX ACLs
153 * is to set the mask to be the requested group permission
154 * bits, not the group permission bits to be the requested
155 * group permission bits. This is not what we want, as it will
156 * mess up any inherited ACL bits that were set. JRA.
158 int saved_errno = errno; /* We may get ENOSYS */
159 if ((SMB_VFS_CHMOD_ACL(handle->conn, path, mode) == -1) && (errno == ENOSYS))
163 END_PROFILE(syscall_mkdir);
167 static int vfswrap_rmdir(vfs_handle_struct *handle, const char *path)
171 START_PROFILE(syscall_rmdir);
172 result = rmdir(path);
173 END_PROFILE(syscall_rmdir);
177 static int vfswrap_closedir(vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp)
181 START_PROFILE(syscall_closedir);
182 result = sys_closedir(dirp);
183 END_PROFILE(syscall_closedir);
187 /* File operations */
189 static int vfswrap_open(vfs_handle_struct *handle, const char *fname,
190 files_struct *fsp, int flags, mode_t mode)
194 START_PROFILE(syscall_open);
195 result = sys_open(fname, flags, mode);
196 END_PROFILE(syscall_open);
200 static int vfswrap_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
204 START_PROFILE(syscall_close);
207 END_PROFILE(syscall_close);
211 static ssize_t vfswrap_read(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n)
215 START_PROFILE_BYTES(syscall_read, n);
216 result = sys_read(fd, data, n);
217 END_PROFILE(syscall_read);
221 static ssize_t vfswrap_pread(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data,
222 size_t n, SMB_OFF_T offset)
226 #if defined(HAVE_PREAD) || defined(HAVE_PREAD64)
227 START_PROFILE_BYTES(syscall_pread, n);
228 result = sys_pread(fd, data, n, offset);
229 END_PROFILE(syscall_pread);
231 if (result == -1 && errno == ESPIPE) {
232 /* Maintain the fiction that pipes can be seeked (sought?) on. */
233 result = SMB_VFS_READ(fsp, fd, data, n);
237 #else /* HAVE_PREAD */
241 curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
242 if (curr == -1 && errno == ESPIPE) {
243 /* Maintain the fiction that pipes can be seeked (sought?) on. */
244 result = SMB_VFS_READ(fsp, fd, data, n);
249 if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) {
254 result = SMB_VFS_READ(fsp, fd, data, n);
257 SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET);
260 #endif /* HAVE_PREAD */
265 static ssize_t vfswrap_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n)
269 START_PROFILE_BYTES(syscall_write, n);
270 result = sys_write(fd, data, n);
271 END_PROFILE(syscall_write);
275 static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data,
276 size_t n, SMB_OFF_T offset)
280 #if defined(HAVE_PWRITE) || defined(HAVE_PRWITE64)
281 START_PROFILE_BYTES(syscall_pwrite, n);
282 result = sys_pwrite(fd, data, n, offset);
283 END_PROFILE(syscall_pwrite);
285 if (result == -1 && errno == ESPIPE) {
286 /* Maintain the fiction that pipes can be sought on. */
287 result = SMB_VFS_WRITE(fsp, fd, data, n);
290 #else /* HAVE_PWRITE */
294 curr = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
299 if (SMB_VFS_LSEEK(fsp, fd, offset, SEEK_SET) == -1) {
303 result = SMB_VFS_WRITE(fsp, fd, data, n);
306 SMB_VFS_LSEEK(fsp, fd, curr, SEEK_SET);
309 #endif /* HAVE_PWRITE */
314 static SMB_OFF_T vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
316 SMB_OFF_T result = 0;
318 START_PROFILE(syscall_lseek);
320 /* Cope with 'stat' file opens. */
322 result = sys_lseek(filedes, offset, whence);
325 * We want to maintain the fiction that we can seek
326 * on a fifo for file system purposes. This allows
327 * people to set up UNIX fifo's that feed data to Windows
331 if((result == -1) && (errno == ESPIPE)) {
336 END_PROFILE(syscall_lseek);
340 static ssize_t vfswrap_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fsp, int fromfd, const DATA_BLOB *hdr,
341 SMB_OFF_T offset, size_t n)
345 START_PROFILE_BYTES(syscall_sendfile, n);
346 result = sys_sendfile(tofd, fromfd, hdr, offset, n);
347 END_PROFILE(syscall_sendfile);
351 /*********************************************************
352 For rename across filesystems Patch from Warren Birnbaum
353 <warrenb@hpcvscdp.cv.hp.com>
354 **********************************************************/
356 static int copy_reg(const char *source, const char *dest)
358 SMB_STRUCT_STAT source_stats;
363 if (sys_lstat (source, &source_stats) == -1)
366 if (!S_ISREG (source_stats.st_mode))
369 if((ifd = sys_open (source, O_RDONLY, 0)) < 0)
372 if (unlink (dest) && errno != ENOENT)
376 if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC | O_NOFOLLOW, 0600)) < 0 )
378 if((ofd = sys_open (dest, O_WRONLY | O_CREAT | O_TRUNC , 0600)) < 0 )
382 if (transfer_file(ifd, ofd, (size_t)-1) == -1)
386 * Try to preserve ownership. For non-root it might fail, but that's ok.
387 * But root probably wants to know, e.g. if NFS disallows it.
391 if ((fchown(ofd, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
393 if ((chown(dest, source_stats.st_uid, source_stats.st_gid) == -1) && (errno != EPERM))
398 * fchown turns off set[ug]id bits for non-root,
399 * so do the chmod last.
402 #if defined(HAVE_FCHMOD)
403 if (fchmod (ofd, source_stats.st_mode & 07777))
405 if (chmod (dest, source_stats.st_mode & 07777))
409 if (close (ifd) == -1)
412 if (close (ofd) == -1)
415 /* Try to copy the old file's modtime and access time. */
419 tv.actime = source_stats.st_atime;
420 tv.modtime = source_stats.st_mtime;
424 if (unlink (source) == -1)
440 static int vfswrap_rename(vfs_handle_struct *handle, const char *oldname, const char *newname)
444 START_PROFILE(syscall_rename);
445 result = rename(oldname, newname);
446 if (errno == EXDEV) {
447 /* Rename across filesystems needed. */
448 result = copy_reg(oldname, newname);
451 END_PROFILE(syscall_rename);
455 static int vfswrap_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd)
460 START_PROFILE(syscall_fsync);
462 END_PROFILE(syscall_fsync);
469 static int vfswrap_stat(vfs_handle_struct *handle, const char *fname, SMB_STRUCT_STAT *sbuf)
473 START_PROFILE(syscall_stat);
474 result = sys_stat(fname, sbuf);
475 END_PROFILE(syscall_stat);
479 static int vfswrap_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
483 START_PROFILE(syscall_fstat);
484 result = sys_fstat(fd, sbuf);
485 END_PROFILE(syscall_fstat);
489 int vfswrap_lstat(vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
493 START_PROFILE(syscall_lstat);
494 result = sys_lstat(path, sbuf);
495 END_PROFILE(syscall_lstat);
499 static int vfswrap_unlink(vfs_handle_struct *handle, const char *path)
503 START_PROFILE(syscall_unlink);
504 result = unlink(path);
505 END_PROFILE(syscall_unlink);
509 static int vfswrap_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
513 START_PROFILE(syscall_chmod);
516 * We need to do this due to the fact that the default POSIX ACL
517 * chmod modifies the ACL *mask* for the group owner, not the
518 * group owner bits directly. JRA.
523 int saved_errno = errno; /* We might get ENOSYS */
524 if ((result = SMB_VFS_CHMOD_ACL(handle->conn, path, mode)) == 0) {
525 END_PROFILE(syscall_chmod);
528 /* Error - return the old errno. */
532 result = chmod(path, mode);
533 END_PROFILE(syscall_chmod);
537 static int vfswrap_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
541 START_PROFILE(syscall_fchmod);
544 * We need to do this due to the fact that the default POSIX ACL
545 * chmod modifies the ACL *mask* for the group owner, not the
546 * group owner bits directly. JRA.
550 int saved_errno = errno; /* We might get ENOSYS */
551 if ((result = SMB_VFS_FCHMOD_ACL(fsp, fd, mode)) == 0) {
552 END_PROFILE(syscall_fchmod);
555 /* Error - return the old errno. */
559 #if defined(HAVE_FCHMOD)
560 result = fchmod(fd, mode);
566 END_PROFILE(syscall_fchmod);
570 static int vfswrap_chown(vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid)
574 START_PROFILE(syscall_chown);
575 result = sys_chown(path, uid, gid);
576 END_PROFILE(syscall_chown);
580 static int vfswrap_fchown(vfs_handle_struct *handle, files_struct *fsp, int fd, uid_t uid, gid_t gid)
585 START_PROFILE(syscall_fchown);
586 result = fchown(fd, uid, gid);
587 END_PROFILE(syscall_fchown);
595 static int vfswrap_chdir(vfs_handle_struct *handle, const char *path)
599 START_PROFILE(syscall_chdir);
600 result = chdir(path);
601 END_PROFILE(syscall_chdir);
605 static char *vfswrap_getwd(vfs_handle_struct *handle, char *path)
609 START_PROFILE(syscall_getwd);
610 result = sys_getwd(path);
611 END_PROFILE(syscall_getwd);
615 static int vfswrap_utime(vfs_handle_struct *handle, const char *path, struct utimbuf *times)
619 START_PROFILE(syscall_utime);
620 result = utime(path, times);
621 END_PROFILE(syscall_utime);
625 /*********************************************************************
626 A version of ftruncate that will write the space on disk if strict
628 **********************************************************************/
630 static int strict_allocate_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
633 SMB_OFF_T currpos = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
634 unsigned char zero_space[4096];
635 SMB_OFF_T space_to_write;
640 if (SMB_VFS_FSTAT(fsp, fd, &st) == -1)
643 space_to_write = len - st.st_size;
646 if (S_ISFIFO(st.st_mode))
650 if (st.st_size == len)
653 /* Shrink - just ftruncate. */
654 if (st.st_size > len)
655 return sys_ftruncate(fd, len);
657 /* Write out the real space on disk. */
658 if (SMB_VFS_LSEEK(fsp, fd, st.st_size, SEEK_SET) != st.st_size)
661 space_to_write = len - st.st_size;
663 memset(zero_space, '\0', sizeof(zero_space));
664 while ( space_to_write > 0) {
666 SMB_OFF_T current_len_to_write = MIN(sizeof(zero_space),space_to_write);
668 retlen = SMB_VFS_WRITE(fsp,fsp->fh->fd,(char *)zero_space,current_len_to_write);
672 space_to_write -= retlen;
675 /* Seek to where we were */
676 if (SMB_VFS_LSEEK(fsp, fd, currpos, SEEK_SET) != currpos)
682 static int vfswrap_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T len)
689 START_PROFILE(syscall_ftruncate);
691 if (lp_strict_allocate(SNUM(fsp->conn))) {
692 result = strict_allocate_ftruncate(handle, fsp, fd, len);
693 END_PROFILE(syscall_ftruncate);
697 /* we used to just check HAVE_FTRUNCATE_EXTEND and only use
698 sys_ftruncate if the system supports it. Then I discovered that
699 you can have some filesystems that support ftruncate
700 expansion and some that don't! On Linux fat can't do
701 ftruncate extend but ext2 can. */
703 result = sys_ftruncate(fd, len);
707 /* According to W. R. Stevens advanced UNIX prog. Pure 4.3 BSD cannot
708 extend a file with ftruncate. Provide alternate implementation
710 currpos = SMB_VFS_LSEEK(fsp, fd, 0, SEEK_CUR);
715 /* Do an fstat to see if the file is longer than the requested
716 size in which case the ftruncate above should have
717 succeeded or shorter, in which case seek to len - 1 and
718 write 1 byte of zero */
719 if (SMB_VFS_FSTAT(fsp, fd, &st) == -1) {
724 if (S_ISFIFO(st.st_mode)) {
730 if (st.st_size == len) {
735 if (st.st_size > len) {
736 /* the sys_ftruncate should have worked */
740 if (SMB_VFS_LSEEK(fsp, fd, len-1, SEEK_SET) != len -1)
743 if (SMB_VFS_WRITE(fsp, fd, &c, 1)!=1)
746 /* Seek to where we were */
747 if (SMB_VFS_LSEEK(fsp, fd, currpos, SEEK_SET) != currpos)
753 END_PROFILE(syscall_ftruncate);
757 static BOOL vfswrap_lock(vfs_handle_struct *handle, files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
761 START_PROFILE(syscall_fcntl_lock);
762 result = fcntl_lock(fd, op, offset, count, type);
763 END_PROFILE(syscall_fcntl_lock);
767 static int vfswrap_kernel_flock(vfs_handle_struct *handle, files_struct *fsp, int fd,
770 START_PROFILE(syscall_kernel_flock);
771 kernel_flock(fd, share_mode);
772 END_PROFILE(syscall_kernel_flock);
776 static BOOL vfswrap_getlock(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
780 START_PROFILE(syscall_fcntl_getlock);
781 result = fcntl_getlock(fd, poffset, pcount, ptype, ppid);
782 END_PROFILE(syscall_fcntl_getlock);
786 static int vfswrap_symlink(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
790 START_PROFILE(syscall_symlink);
791 result = sys_symlink(oldpath, newpath);
792 END_PROFILE(syscall_symlink);
796 static int vfswrap_readlink(vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz)
800 START_PROFILE(syscall_readlink);
801 result = sys_readlink(path, buf, bufsiz);
802 END_PROFILE(syscall_readlink);
806 static int vfswrap_link(vfs_handle_struct *handle, const char *oldpath, const char *newpath)
810 START_PROFILE(syscall_link);
811 result = sys_link(oldpath, newpath);
812 END_PROFILE(syscall_link);
816 static int vfswrap_mknod(vfs_handle_struct *handle, const char *pathname, mode_t mode, SMB_DEV_T dev)
820 START_PROFILE(syscall_mknod);
821 result = sys_mknod(pathname, mode, dev);
822 END_PROFILE(syscall_mknod);
826 static char *vfswrap_realpath(vfs_handle_struct *handle, const char *path, char *resolved_path)
830 START_PROFILE(syscall_realpath);
831 result = sys_realpath(path, resolved_path);
832 END_PROFILE(syscall_realpath);
836 static NTSTATUS vfswrap_notify_watch(vfs_handle_struct *vfs_handle,
837 struct sys_notify_context *ctx,
838 struct notify_entry *e,
839 void (*callback)(struct sys_notify_context *ctx,
841 struct notify_event *ev),
842 void *private_data, void *handle)
845 * So far inotify is the only supported default notify mechanism. If
846 * another platform like the the BSD's or a proprietary Unix comes
847 * along and wants another default, we can play the same trick we
848 * played with Posix ACLs.
850 * Until that is the case, hard-code inotify here.
853 if (lp_kernel_change_notify(ctx->conn->params)) {
854 return inotify_watch(ctx, e, callback, private_data, handle);
858 * Do nothing, leave everything to notify_internal.c
863 static size_t vfswrap_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info, SEC_DESC **ppdesc)
867 START_PROFILE(fget_nt_acl);
868 result = get_nt_acl(fsp, security_info, ppdesc);
869 END_PROFILE(fget_nt_acl);
873 static size_t vfswrap_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info, SEC_DESC **ppdesc)
877 START_PROFILE(get_nt_acl);
878 result = get_nt_acl(fsp, security_info, ppdesc);
879 END_PROFILE(get_nt_acl);
883 static BOOL vfswrap_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, uint32 security_info_sent, SEC_DESC *psd)
887 START_PROFILE(fset_nt_acl);
888 result = set_nt_acl(fsp, security_info_sent, psd);
889 END_PROFILE(fset_nt_acl);
893 static BOOL vfswrap_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp, const char *name, uint32 security_info_sent, SEC_DESC *psd)
897 START_PROFILE(set_nt_acl);
898 result = set_nt_acl(fsp, security_info_sent, psd);
899 END_PROFILE(set_nt_acl);
903 static int vfswrap_chmod_acl(vfs_handle_struct *handle, const char *name, mode_t mode)
911 START_PROFILE(chmod_acl);
912 result = chmod_acl(handle->conn, name, mode);
913 END_PROFILE(chmod_acl);
918 static int vfswrap_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
926 START_PROFILE(fchmod_acl);
927 result = fchmod_acl(fsp, fd, mode);
928 END_PROFILE(fchmod_acl);
933 static int vfswrap_sys_acl_get_entry(vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
935 return sys_acl_get_entry(theacl, entry_id, entry_p);
938 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)
940 return sys_acl_get_tag_type(entry_d, tag_type_p);
943 static int vfswrap_sys_acl_get_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
945 return sys_acl_get_permset(entry_d, permset_p);
948 static void * vfswrap_sys_acl_get_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d)
950 return sys_acl_get_qualifier(entry_d);
953 static SMB_ACL_T vfswrap_sys_acl_get_file(vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type)
955 return sys_acl_get_file(handle, path_p, type);
958 static SMB_ACL_T vfswrap_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp, int fd)
960 return sys_acl_get_fd(handle, fsp, fd);
963 static int vfswrap_sys_acl_clear_perms(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset)
965 return sys_acl_clear_perms(permset);
968 static int vfswrap_sys_acl_add_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
970 return sys_acl_add_perm(permset, perm);
973 static char * vfswrap_sys_acl_to_text(vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen)
975 return sys_acl_to_text(theacl, plen);
978 static SMB_ACL_T vfswrap_sys_acl_init(vfs_handle_struct *handle, int count)
980 return sys_acl_init(count);
983 static int vfswrap_sys_acl_create_entry(vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
985 return sys_acl_create_entry(pacl, pentry);
988 static int vfswrap_sys_acl_set_tag_type(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
990 return sys_acl_set_tag_type(entry, tagtype);
993 static int vfswrap_sys_acl_set_qualifier(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual)
995 return sys_acl_set_qualifier(entry, qual);
998 static int vfswrap_sys_acl_set_permset(vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
1000 return sys_acl_set_permset(entry, permset);
1003 static int vfswrap_sys_acl_valid(vfs_handle_struct *handle, SMB_ACL_T theacl )
1005 return sys_acl_valid(theacl );
1008 static int vfswrap_sys_acl_set_file(vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
1010 return sys_acl_set_file(handle, name, acltype, theacl);
1013 static int vfswrap_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_ACL_T theacl)
1015 return sys_acl_set_fd(handle, fsp, fd, theacl);
1018 static int vfswrap_sys_acl_delete_def_file(vfs_handle_struct *handle, const char *path)
1020 return sys_acl_delete_def_file(handle, path);
1023 static int vfswrap_sys_acl_get_perm(vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
1025 return sys_acl_get_perm(permset, perm);
1028 static int vfswrap_sys_acl_free_text(vfs_handle_struct *handle, char *text)
1030 return sys_acl_free_text(text);
1033 static int vfswrap_sys_acl_free_acl(vfs_handle_struct *handle, SMB_ACL_T posix_acl)
1035 return sys_acl_free_acl(posix_acl);
1038 static int vfswrap_sys_acl_free_qualifier(vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype)
1040 return sys_acl_free_qualifier(qualifier, tagtype);
1043 /****************************************************************
1044 Extended attribute operations.
1045 *****************************************************************/
1047 static ssize_t vfswrap_getxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
1049 return sys_getxattr(path, name, value, size);
1052 static ssize_t vfswrap_lgetxattr(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size)
1054 return sys_lgetxattr(path, name, value, size);
1057 static ssize_t vfswrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
1059 return sys_fgetxattr(fd, name, value, size);
1062 static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
1064 return sys_listxattr(path, list, size);
1067 ssize_t vfswrap_llistxattr(struct vfs_handle_struct *handle, const char *path, char *list, size_t size)
1069 return sys_llistxattr(path, list, size);
1072 ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, char *list, size_t size)
1074 return sys_flistxattr(fd, list, size);
1077 static int vfswrap_removexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
1079 return sys_removexattr(path, name);
1082 static int vfswrap_lremovexattr(struct vfs_handle_struct *handle, const char *path, const char *name)
1084 return sys_lremovexattr(path, name);
1087 static int vfswrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
1089 return sys_fremovexattr(fd, name);
1092 static int vfswrap_setxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
1094 return sys_setxattr(path, name, value, size, flags);
1097 static int vfswrap_lsetxattr(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
1099 return sys_lsetxattr(path, name, value, size, flags);
1102 static int vfswrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
1104 return sys_fsetxattr(fd, name, value, size, flags);
1107 static int vfswrap_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1109 return sys_aio_read(aiocb);
1112 static int vfswrap_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1114 return sys_aio_write(aiocb);
1117 static ssize_t vfswrap_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1119 return sys_aio_return(aiocb);
1122 static int vfswrap_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
1124 return sys_aio_cancel(fd, aiocb);
1127 static int vfswrap_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
1129 return sys_aio_error(aiocb);
1132 static int vfswrap_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
1134 return sys_aio_fsync(op, aiocb);
1137 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)
1139 return sys_aio_suspend(aiocb, n, timeout);
1142 static vfs_op_tuple vfs_default_ops[] = {
1144 /* Disk operations */
1146 {SMB_VFS_OP(vfswrap_connect), SMB_VFS_OP_CONNECT,
1147 SMB_VFS_LAYER_OPAQUE},
1148 {SMB_VFS_OP(vfswrap_disconnect), SMB_VFS_OP_DISCONNECT,
1149 SMB_VFS_LAYER_OPAQUE},
1150 {SMB_VFS_OP(vfswrap_disk_free), SMB_VFS_OP_DISK_FREE,
1151 SMB_VFS_LAYER_OPAQUE},
1152 {SMB_VFS_OP(vfswrap_get_quota), SMB_VFS_OP_GET_QUOTA,
1153 SMB_VFS_LAYER_OPAQUE},
1154 {SMB_VFS_OP(vfswrap_set_quota), SMB_VFS_OP_SET_QUOTA,
1155 SMB_VFS_LAYER_OPAQUE},
1156 {SMB_VFS_OP(vfswrap_get_shadow_copy_data), SMB_VFS_OP_GET_SHADOW_COPY_DATA,
1157 SMB_VFS_LAYER_OPAQUE},
1158 {SMB_VFS_OP(vfswrap_statvfs), SMB_VFS_OP_STATVFS,
1159 SMB_VFS_LAYER_OPAQUE},
1161 /* Directory operations */
1163 {SMB_VFS_OP(vfswrap_opendir), SMB_VFS_OP_OPENDIR,
1164 SMB_VFS_LAYER_OPAQUE},
1165 {SMB_VFS_OP(vfswrap_readdir), SMB_VFS_OP_READDIR,
1166 SMB_VFS_LAYER_OPAQUE},
1167 {SMB_VFS_OP(vfswrap_seekdir), SMB_VFS_OP_SEEKDIR,
1168 SMB_VFS_LAYER_OPAQUE},
1169 {SMB_VFS_OP(vfswrap_telldir), SMB_VFS_OP_TELLDIR,
1170 SMB_VFS_LAYER_OPAQUE},
1171 {SMB_VFS_OP(vfswrap_rewinddir), SMB_VFS_OP_REWINDDIR,
1172 SMB_VFS_LAYER_OPAQUE},
1173 {SMB_VFS_OP(vfswrap_mkdir), SMB_VFS_OP_MKDIR,
1174 SMB_VFS_LAYER_OPAQUE},
1175 {SMB_VFS_OP(vfswrap_rmdir), SMB_VFS_OP_RMDIR,
1176 SMB_VFS_LAYER_OPAQUE},
1177 {SMB_VFS_OP(vfswrap_closedir), SMB_VFS_OP_CLOSEDIR,
1178 SMB_VFS_LAYER_OPAQUE},
1180 /* File operations */
1182 {SMB_VFS_OP(vfswrap_open), SMB_VFS_OP_OPEN,
1183 SMB_VFS_LAYER_OPAQUE},
1184 {SMB_VFS_OP(vfswrap_close), SMB_VFS_OP_CLOSE,
1185 SMB_VFS_LAYER_OPAQUE},
1186 {SMB_VFS_OP(vfswrap_read), SMB_VFS_OP_READ,
1187 SMB_VFS_LAYER_OPAQUE},
1188 {SMB_VFS_OP(vfswrap_pread), SMB_VFS_OP_PREAD,
1189 SMB_VFS_LAYER_OPAQUE},
1190 {SMB_VFS_OP(vfswrap_write), SMB_VFS_OP_WRITE,
1191 SMB_VFS_LAYER_OPAQUE},
1192 {SMB_VFS_OP(vfswrap_pwrite), SMB_VFS_OP_PWRITE,
1193 SMB_VFS_LAYER_OPAQUE},
1194 {SMB_VFS_OP(vfswrap_lseek), SMB_VFS_OP_LSEEK,
1195 SMB_VFS_LAYER_OPAQUE},
1196 {SMB_VFS_OP(vfswrap_sendfile), SMB_VFS_OP_SENDFILE,
1197 SMB_VFS_LAYER_OPAQUE},
1198 {SMB_VFS_OP(vfswrap_rename), SMB_VFS_OP_RENAME,
1199 SMB_VFS_LAYER_OPAQUE},
1200 {SMB_VFS_OP(vfswrap_fsync), SMB_VFS_OP_FSYNC,
1201 SMB_VFS_LAYER_OPAQUE},
1202 {SMB_VFS_OP(vfswrap_stat), SMB_VFS_OP_STAT,
1203 SMB_VFS_LAYER_OPAQUE},
1204 {SMB_VFS_OP(vfswrap_fstat), SMB_VFS_OP_FSTAT,
1205 SMB_VFS_LAYER_OPAQUE},
1206 {SMB_VFS_OP(vfswrap_lstat), SMB_VFS_OP_LSTAT,
1207 SMB_VFS_LAYER_OPAQUE},
1208 {SMB_VFS_OP(vfswrap_unlink), SMB_VFS_OP_UNLINK,
1209 SMB_VFS_LAYER_OPAQUE},
1210 {SMB_VFS_OP(vfswrap_chmod), SMB_VFS_OP_CHMOD,
1211 SMB_VFS_LAYER_OPAQUE},
1212 {SMB_VFS_OP(vfswrap_fchmod), SMB_VFS_OP_FCHMOD,
1213 SMB_VFS_LAYER_OPAQUE},
1214 {SMB_VFS_OP(vfswrap_chown), SMB_VFS_OP_CHOWN,
1215 SMB_VFS_LAYER_OPAQUE},
1216 {SMB_VFS_OP(vfswrap_fchown), SMB_VFS_OP_FCHOWN,
1217 SMB_VFS_LAYER_OPAQUE},
1218 {SMB_VFS_OP(vfswrap_chdir), SMB_VFS_OP_CHDIR,
1219 SMB_VFS_LAYER_OPAQUE},
1220 {SMB_VFS_OP(vfswrap_getwd), SMB_VFS_OP_GETWD,
1221 SMB_VFS_LAYER_OPAQUE},
1222 {SMB_VFS_OP(vfswrap_utime), SMB_VFS_OP_UTIME,
1223 SMB_VFS_LAYER_OPAQUE},
1224 {SMB_VFS_OP(vfswrap_ftruncate), SMB_VFS_OP_FTRUNCATE,
1225 SMB_VFS_LAYER_OPAQUE},
1226 {SMB_VFS_OP(vfswrap_lock), SMB_VFS_OP_LOCK,
1227 SMB_VFS_LAYER_OPAQUE},
1228 {SMB_VFS_OP(vfswrap_kernel_flock), SMB_VFS_OP_KERNEL_FLOCK,
1229 SMB_VFS_LAYER_OPAQUE},
1230 {SMB_VFS_OP(vfswrap_getlock), SMB_VFS_OP_GETLOCK,
1231 SMB_VFS_LAYER_OPAQUE},
1232 {SMB_VFS_OP(vfswrap_symlink), SMB_VFS_OP_SYMLINK,
1233 SMB_VFS_LAYER_OPAQUE},
1234 {SMB_VFS_OP(vfswrap_readlink), SMB_VFS_OP_READLINK,
1235 SMB_VFS_LAYER_OPAQUE},
1236 {SMB_VFS_OP(vfswrap_link), SMB_VFS_OP_LINK,
1237 SMB_VFS_LAYER_OPAQUE},
1238 {SMB_VFS_OP(vfswrap_mknod), SMB_VFS_OP_MKNOD,
1239 SMB_VFS_LAYER_OPAQUE},
1240 {SMB_VFS_OP(vfswrap_realpath), SMB_VFS_OP_REALPATH,
1241 SMB_VFS_LAYER_OPAQUE},
1242 {SMB_VFS_OP(vfswrap_notify_watch), SMB_VFS_OP_NOTIFY_WATCH,
1243 SMB_VFS_LAYER_OPAQUE},
1245 /* NT ACL operations. */
1247 {SMB_VFS_OP(vfswrap_fget_nt_acl), SMB_VFS_OP_FGET_NT_ACL,
1248 SMB_VFS_LAYER_OPAQUE},
1249 {SMB_VFS_OP(vfswrap_get_nt_acl), SMB_VFS_OP_GET_NT_ACL,
1250 SMB_VFS_LAYER_OPAQUE},
1251 {SMB_VFS_OP(vfswrap_fset_nt_acl), SMB_VFS_OP_FSET_NT_ACL,
1252 SMB_VFS_LAYER_OPAQUE},
1253 {SMB_VFS_OP(vfswrap_set_nt_acl), SMB_VFS_OP_SET_NT_ACL,
1254 SMB_VFS_LAYER_OPAQUE},
1256 /* POSIX ACL operations. */
1258 {SMB_VFS_OP(vfswrap_chmod_acl), SMB_VFS_OP_CHMOD_ACL,
1259 SMB_VFS_LAYER_OPAQUE},
1260 {SMB_VFS_OP(vfswrap_fchmod_acl), SMB_VFS_OP_FCHMOD_ACL,
1261 SMB_VFS_LAYER_OPAQUE},
1262 {SMB_VFS_OP(vfswrap_sys_acl_get_entry), SMB_VFS_OP_SYS_ACL_GET_ENTRY,
1263 SMB_VFS_LAYER_OPAQUE},
1264 {SMB_VFS_OP(vfswrap_sys_acl_get_tag_type), SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,
1265 SMB_VFS_LAYER_OPAQUE},
1266 {SMB_VFS_OP(vfswrap_sys_acl_get_permset), SMB_VFS_OP_SYS_ACL_GET_PERMSET,
1267 SMB_VFS_LAYER_OPAQUE},
1268 {SMB_VFS_OP(vfswrap_sys_acl_get_qualifier), SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,
1269 SMB_VFS_LAYER_OPAQUE},
1270 {SMB_VFS_OP(vfswrap_sys_acl_get_file), SMB_VFS_OP_SYS_ACL_GET_FILE,
1271 SMB_VFS_LAYER_OPAQUE},
1272 {SMB_VFS_OP(vfswrap_sys_acl_get_fd), SMB_VFS_OP_SYS_ACL_GET_FD,
1273 SMB_VFS_LAYER_OPAQUE},
1274 {SMB_VFS_OP(vfswrap_sys_acl_clear_perms), SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,
1275 SMB_VFS_LAYER_OPAQUE},
1276 {SMB_VFS_OP(vfswrap_sys_acl_add_perm), SMB_VFS_OP_SYS_ACL_ADD_PERM,
1277 SMB_VFS_LAYER_OPAQUE},
1278 {SMB_VFS_OP(vfswrap_sys_acl_to_text), SMB_VFS_OP_SYS_ACL_TO_TEXT,
1279 SMB_VFS_LAYER_OPAQUE},
1280 {SMB_VFS_OP(vfswrap_sys_acl_init), SMB_VFS_OP_SYS_ACL_INIT,
1281 SMB_VFS_LAYER_OPAQUE},
1282 {SMB_VFS_OP(vfswrap_sys_acl_create_entry), SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,
1283 SMB_VFS_LAYER_OPAQUE},
1284 {SMB_VFS_OP(vfswrap_sys_acl_set_tag_type), SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,
1285 SMB_VFS_LAYER_OPAQUE},
1286 {SMB_VFS_OP(vfswrap_sys_acl_set_qualifier), SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,
1287 SMB_VFS_LAYER_OPAQUE},
1288 {SMB_VFS_OP(vfswrap_sys_acl_set_permset), SMB_VFS_OP_SYS_ACL_SET_PERMSET,
1289 SMB_VFS_LAYER_OPAQUE},
1290 {SMB_VFS_OP(vfswrap_sys_acl_valid), SMB_VFS_OP_SYS_ACL_VALID,
1291 SMB_VFS_LAYER_OPAQUE},
1292 {SMB_VFS_OP(vfswrap_sys_acl_set_file), SMB_VFS_OP_SYS_ACL_SET_FILE,
1293 SMB_VFS_LAYER_OPAQUE},
1294 {SMB_VFS_OP(vfswrap_sys_acl_set_fd), SMB_VFS_OP_SYS_ACL_SET_FD,
1295 SMB_VFS_LAYER_OPAQUE},
1296 {SMB_VFS_OP(vfswrap_sys_acl_delete_def_file), SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
1297 SMB_VFS_LAYER_OPAQUE},
1298 {SMB_VFS_OP(vfswrap_sys_acl_get_perm), SMB_VFS_OP_SYS_ACL_GET_PERM,
1299 SMB_VFS_LAYER_OPAQUE},
1300 {SMB_VFS_OP(vfswrap_sys_acl_free_text), SMB_VFS_OP_SYS_ACL_FREE_TEXT,
1301 SMB_VFS_LAYER_OPAQUE},
1302 {SMB_VFS_OP(vfswrap_sys_acl_free_acl), SMB_VFS_OP_SYS_ACL_FREE_ACL,
1303 SMB_VFS_LAYER_OPAQUE},
1304 {SMB_VFS_OP(vfswrap_sys_acl_free_qualifier), SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,
1305 SMB_VFS_LAYER_OPAQUE},
1307 /* EA operations. */
1309 {SMB_VFS_OP(vfswrap_getxattr), SMB_VFS_OP_GETXATTR,
1310 SMB_VFS_LAYER_OPAQUE},
1311 {SMB_VFS_OP(vfswrap_lgetxattr), SMB_VFS_OP_LGETXATTR,
1312 SMB_VFS_LAYER_OPAQUE},
1313 {SMB_VFS_OP(vfswrap_fgetxattr), SMB_VFS_OP_FGETXATTR,
1314 SMB_VFS_LAYER_OPAQUE},
1315 {SMB_VFS_OP(vfswrap_listxattr), SMB_VFS_OP_LISTXATTR,
1316 SMB_VFS_LAYER_OPAQUE},
1317 {SMB_VFS_OP(vfswrap_llistxattr), SMB_VFS_OP_LLISTXATTR,
1318 SMB_VFS_LAYER_OPAQUE},
1319 {SMB_VFS_OP(vfswrap_flistxattr), SMB_VFS_OP_FLISTXATTR,
1320 SMB_VFS_LAYER_OPAQUE},
1321 {SMB_VFS_OP(vfswrap_removexattr), SMB_VFS_OP_REMOVEXATTR,
1322 SMB_VFS_LAYER_OPAQUE},
1323 {SMB_VFS_OP(vfswrap_lremovexattr), SMB_VFS_OP_LREMOVEXATTR,
1324 SMB_VFS_LAYER_OPAQUE},
1325 {SMB_VFS_OP(vfswrap_fremovexattr), SMB_VFS_OP_FREMOVEXATTR,
1326 SMB_VFS_LAYER_OPAQUE},
1327 {SMB_VFS_OP(vfswrap_setxattr), SMB_VFS_OP_SETXATTR,
1328 SMB_VFS_LAYER_OPAQUE},
1329 {SMB_VFS_OP(vfswrap_lsetxattr), SMB_VFS_OP_LSETXATTR,
1330 SMB_VFS_LAYER_OPAQUE},
1331 {SMB_VFS_OP(vfswrap_fsetxattr), SMB_VFS_OP_FSETXATTR,
1332 SMB_VFS_LAYER_OPAQUE},
1334 {SMB_VFS_OP(vfswrap_aio_read), SMB_VFS_OP_AIO_READ,
1335 SMB_VFS_LAYER_OPAQUE},
1336 {SMB_VFS_OP(vfswrap_aio_write), SMB_VFS_OP_AIO_WRITE,
1337 SMB_VFS_LAYER_OPAQUE},
1338 {SMB_VFS_OP(vfswrap_aio_return), SMB_VFS_OP_AIO_RETURN,
1339 SMB_VFS_LAYER_OPAQUE},
1340 {SMB_VFS_OP(vfswrap_aio_cancel), SMB_VFS_OP_AIO_CANCEL,
1341 SMB_VFS_LAYER_OPAQUE},
1342 {SMB_VFS_OP(vfswrap_aio_error), SMB_VFS_OP_AIO_ERROR,
1343 SMB_VFS_LAYER_OPAQUE},
1344 {SMB_VFS_OP(vfswrap_aio_fsync), SMB_VFS_OP_AIO_FSYNC,
1345 SMB_VFS_LAYER_OPAQUE},
1346 {SMB_VFS_OP(vfswrap_aio_suspend),SMB_VFS_OP_AIO_SUSPEND,
1347 SMB_VFS_LAYER_OPAQUE},
1349 /* Finish VFS operations definition */
1351 {SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP,
1355 NTSTATUS vfs_default_init(void);
1356 NTSTATUS vfs_default_init(void)
1358 unsigned int needed = SMB_VFS_OP_LAST + 1; /* convert from index to count */
1360 if (ARRAY_SIZE(vfs_default_ops) != needed) {
1361 DEBUG(0, ("%s: %u ops registered, but %u ops are required\n",
1362 DEFAULT_VFS_MODULE_NAME, (unsigned int)ARRAY_SIZE(vfs_default_ops), needed));
1363 smb_panic("operation(s) missing from default VFS module");
1366 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
1367 DEFAULT_VFS_MODULE_NAME, vfs_default_ops);