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
6 Copyright (C) Brian Chrisman 2011 <bchrisman@gmail.com>
7 Copyright (C) Richard Sharpe 2011 <realrichardsharpe@gmail.com>
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * This VFS only works with the libceph.so user-space client. It is not needed
25 * if you are using the kernel client or the FUSE client.
27 * Add the following smb.conf parameter to each share that will be hosted on
30 * vfs objects = ceph [any others you need go here]
34 #include "smbd/smbd.h"
36 #include <sys/statvfs.h>
37 #include "cephfs/libcephfs.h"
38 #include "smbprofile.h"
39 #include "modules/posixacl_xattr.h"
40 #include "lib/util/tevent_unix.h"
43 #define DBGC_CLASS DBGC_VFS
45 #ifndef LIBCEPHFS_VERSION
46 #define LIBCEPHFS_VERSION(maj, min, extra) ((maj << 16) + (min << 8) + extra)
47 #define LIBCEPHFS_VERSION_CODE LIBCEPHFS_VERSION(0, 0, 0)
51 * Use %llu whenever we have a 64bit unsigned int, and cast to (long long unsigned)
53 #define llu(_var) ((long long unsigned)_var)
56 * Note, libceph's return code model is to return -errno! So we have to convert
57 * to what Samba expects, with is set errno to -return and return -1
59 #define WRAP_RETURN(_res) \
68 * We mount only one file system and then all shares are assumed to be in that.
69 * FIXME: If we want to support more than one FS, then we have to deal with
72 * So, cmount tells us if we have been this way before and whether
73 * we need to mount ceph and cmount_cnt tells us how many times we have
76 static struct ceph_mount_info * cmount = NULL;
77 static uint32_t cmount_cnt = 0;
79 /* Check for NULL pointer parameters in cephwrap_* functions */
81 /* We don't want to have NULL function pointers lying around. Someone
82 is sure to try and execute them. These stubs are used to prevent
85 static int cephwrap_connect(struct vfs_handle_struct *handle, const char *service, const char *user)
89 int snum = SNUM(handle->conn);
90 const char *conf_file;
94 handle->data = cmount; /* We have been here before */
99 /* if config_file and/or user_id are NULL, ceph will use defaults */
100 conf_file = lp_parm_const_string(snum, "ceph", "config_file", NULL);
101 user_id = lp_parm_const_string(snum, "ceph", "user_id", NULL);
103 DBG_DEBUG("[CEPH] calling: ceph_create\n");
104 ret = ceph_create(&cmount, user_id);
109 DBG_DEBUG("[CEPH] calling: ceph_conf_read_file with %s\n",
110 (conf_file == NULL ? "default path" : conf_file));
111 ret = ceph_conf_read_file(cmount, conf_file);
116 DBG_DEBUG("[CEPH] calling: ceph_conf_get\n");
117 ret = ceph_conf_get(cmount, "log file", buf, sizeof(buf));
122 /* libcephfs disables POSIX ACL support by default, enable it... */
123 ret = ceph_conf_set(cmount, "client_acl_type", "posix_acl");
127 /* tell libcephfs to perform local permission checks */
128 ret = ceph_conf_set(cmount, "fuse_default_permissions", "false");
133 DBG_DEBUG("[CEPH] calling: ceph_mount\n");
134 ret = ceph_mount(cmount, NULL);
140 * encode mount context/state into our vfs/connection holding structure
141 * cmount is a ceph_mount_t*
143 handle->data = cmount;
147 * Unless we have an async implementation of getxattrat turn this off.
149 lp_do_parameter(SNUM(handle->conn), "smbd:async dosmode", "false");
154 ceph_release(cmount);
158 * Handle the error correctly. Ceph returns -errno.
160 DBG_DEBUG("[CEPH] Error return: %s\n", strerror(-ret));
164 static void cephwrap_disconnect(struct vfs_handle_struct *handle)
169 DBG_ERR("[CEPH] Error, ceph not mounted\n");
173 /* Should we unmount/shutdown? Only if the last disconnect? */
175 DBG_DEBUG("[CEPH] Not shuting down CEPH because still more connections\n");
179 ret = ceph_unmount(cmount);
181 DBG_ERR("[CEPH] failed to unmount: %s\n", strerror(-ret));
184 ret = ceph_release(cmount);
186 DBG_ERR("[CEPH] failed to release: %s\n", strerror(-ret));
189 cmount = NULL; /* Make it safe */
192 /* Disk operations */
194 static uint64_t cephwrap_disk_free(struct vfs_handle_struct *handle,
195 const struct smb_filename *smb_fname,
200 struct statvfs statvfs_buf;
203 if (!(ret = ceph_statfs(handle->data, smb_fname->base_name,
206 * Provide all the correct values.
208 *bsize = statvfs_buf.f_bsize;
209 *dfree = statvfs_buf.f_bavail;
210 *dsize = statvfs_buf.f_blocks;
211 DBG_DEBUG("[CEPH] bsize: %llu, dfree: %llu, dsize: %llu\n",
212 llu(*bsize), llu(*dfree), llu(*dsize));
215 DBG_DEBUG("[CEPH] ceph_statfs returned %d\n", ret);
220 static int cephwrap_get_quota(struct vfs_handle_struct *handle,
221 const struct smb_filename *smb_fname,
222 enum SMB_QUOTA_TYPE qtype,
226 /* libceph: Ceph does not implement this */
228 /* was ifdef HAVE_SYS_QUOTAS */
231 ret = ceph_get_quota(handle->conn->connectpath, qtype, id, qt);
245 static int cephwrap_set_quota(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
247 /* libceph: Ceph does not implement this */
249 /* was ifdef HAVE_SYS_QUOTAS */
252 ret = ceph_set_quota(handle->conn->connectpath, qtype, id, qt);
260 WRAP_RETURN(-ENOSYS);
264 static int cephwrap_statvfs(struct vfs_handle_struct *handle,
265 const struct smb_filename *smb_fname,
266 vfs_statvfs_struct *statbuf)
268 struct statvfs statvfs_buf;
271 ret = ceph_statfs(handle->data, smb_fname->base_name, &statvfs_buf);
276 statbuf->OptimalTransferSize = statvfs_buf.f_frsize;
277 statbuf->BlockSize = statvfs_buf.f_bsize;
278 statbuf->TotalBlocks = statvfs_buf.f_blocks;
279 statbuf->BlocksAvail = statvfs_buf.f_bfree;
280 statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
281 statbuf->TotalFileNodes = statvfs_buf.f_files;
282 statbuf->FreeFileNodes = statvfs_buf.f_ffree;
283 statbuf->FsIdentifier = statvfs_buf.f_fsid;
284 DBG_DEBUG("[CEPH] f_bsize: %ld, f_blocks: %ld, f_bfree: %ld, f_bavail: %ld\n",
285 (long int)statvfs_buf.f_bsize, (long int)statvfs_buf.f_blocks,
286 (long int)statvfs_buf.f_bfree, (long int)statvfs_buf.f_bavail);
291 static uint32_t cephwrap_fs_capabilities(struct vfs_handle_struct *handle,
292 enum timestamp_set_resolution *p_ts_res)
294 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
296 #ifdef HAVE_CEPH_STATX
297 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
299 *p_ts_res = TIMESTAMP_SET_MSEC;
305 /* Directory operations */
307 static DIR *cephwrap_opendir(struct vfs_handle_struct *handle,
308 const struct smb_filename *smb_fname,
309 const char *mask, uint32_t attr)
312 struct ceph_dir_result *result;
313 DBG_DEBUG("[CEPH] opendir(%p, %s)\n", handle, smb_fname->base_name);
315 /* Returns NULL if it does not exist or there are problems ? */
316 ret = ceph_opendir(handle->data, smb_fname->base_name, &result);
319 errno = -ret; /* We return result which is NULL in this case */
322 DBG_DEBUG("[CEPH] opendir(...) = %d\n", ret);
323 return (DIR *) result;
326 static DIR *cephwrap_fdopendir(struct vfs_handle_struct *handle,
327 struct files_struct *fsp,
331 /* OpenDir_fsp() falls back to regular open */
336 static struct dirent *cephwrap_readdir(struct vfs_handle_struct *handle,
338 SMB_STRUCT_STAT *sbuf)
340 struct dirent *result;
342 DBG_DEBUG("[CEPH] readdir(%p, %p)\n", handle, dirp);
343 result = ceph_readdir(handle->data, (struct ceph_dir_result *) dirp);
344 DBG_DEBUG("[CEPH] readdir(...) = %p\n", result);
346 /* Default Posix readdir() does not give us stat info.
347 * Set to invalid to indicate we didn't return this info. */
349 SET_STAT_INVALID(*sbuf);
353 static void cephwrap_seekdir(struct vfs_handle_struct *handle, DIR *dirp, long offset)
355 DBG_DEBUG("[CEPH] seekdir(%p, %p, %ld)\n", handle, dirp, offset);
356 ceph_seekdir(handle->data, (struct ceph_dir_result *) dirp, offset);
359 static long cephwrap_telldir(struct vfs_handle_struct *handle, DIR *dirp)
362 DBG_DEBUG("[CEPH] telldir(%p, %p)\n", handle, dirp);
363 ret = ceph_telldir(handle->data, (struct ceph_dir_result *) dirp);
364 DBG_DEBUG("[CEPH] telldir(...) = %ld\n", ret);
368 static void cephwrap_rewinddir(struct vfs_handle_struct *handle, DIR *dirp)
370 DBG_DEBUG("[CEPH] rewinddir(%p, %p)\n", handle, dirp);
371 ceph_rewinddir(handle->data, (struct ceph_dir_result *) dirp);
374 static int cephwrap_mkdir(struct vfs_handle_struct *handle,
375 const struct smb_filename *smb_fname,
380 const char *path = smb_fname->base_name;
382 DBG_DEBUG("[CEPH] mkdir(%p, %s)\n", handle, path);
384 if (lp_inherit_acls(SNUM(handle->conn))
385 && parent_dirname(talloc_tos(), path, &parent, NULL)
386 && directory_has_default_acl(handle->conn, parent)) {
392 result = ceph_mkdir(handle->data, path, mode);
393 return WRAP_RETURN(result);
396 static int cephwrap_rmdir(struct vfs_handle_struct *handle,
397 const struct smb_filename *smb_fname)
401 DBG_DEBUG("[CEPH] rmdir(%p, %s)\n", handle, smb_fname->base_name);
402 result = ceph_rmdir(handle->data, smb_fname->base_name);
403 DBG_DEBUG("[CEPH] rmdir(...) = %d\n", result);
407 static int cephwrap_closedir(struct vfs_handle_struct *handle, DIR *dirp)
411 DBG_DEBUG("[CEPH] closedir(%p, %p)\n", handle, dirp);
412 result = ceph_closedir(handle->data, (struct ceph_dir_result *) dirp);
413 DBG_DEBUG("[CEPH] closedir(...) = %d\n", result);
417 /* File operations */
419 static int cephwrap_open(struct vfs_handle_struct *handle,
420 struct smb_filename *smb_fname,
421 files_struct *fsp, int flags, mode_t mode)
423 int result = -ENOENT;
424 DBG_DEBUG("[CEPH] open(%p, %s, %p, %d, %d)\n", handle,
425 smb_fname_str_dbg(smb_fname), fsp, flags, mode);
427 if (smb_fname->stream_name) {
431 result = ceph_open(handle->data, smb_fname->base_name, flags, mode);
433 DBG_DEBUG("[CEPH] open(...) = %d\n", result);
437 static int cephwrap_close(struct vfs_handle_struct *handle, files_struct *fsp)
441 DBG_DEBUG("[CEPH] close(%p, %p)\n", handle, fsp);
442 result = ceph_close(handle->data, fsp->fh->fd);
443 DBG_DEBUG("[CEPH] close(...) = %d\n", result);
448 static ssize_t cephwrap_pread(struct vfs_handle_struct *handle, files_struct *fsp, void *data,
449 size_t n, off_t offset)
453 DBG_DEBUG("[CEPH] pread(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
455 result = ceph_read(handle->data, fsp->fh->fd, data, n, offset);
456 DBG_DEBUG("[CEPH] pread(...) = %llu\n", llu(result));
460 struct cephwrap_pread_state {
462 struct vfs_aio_state vfs_aio_state;
466 * Fake up an async ceph read by calling the synchronous API.
468 static struct tevent_req *cephwrap_pread_send(struct vfs_handle_struct *handle,
470 struct tevent_context *ev,
471 struct files_struct *fsp,
473 size_t n, off_t offset)
475 struct tevent_req *req = NULL;
476 struct cephwrap_pread_state *state = NULL;
479 DBG_DEBUG("[CEPH] %s\n", __func__);
480 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pread_state);
485 ret = ceph_read(handle->data, fsp->fh->fd, data, n, offset);
487 /* ceph returns -errno on error. */
488 tevent_req_error(req, -ret);
489 return tevent_req_post(req, ev);
492 state->bytes_read = ret;
493 tevent_req_done(req);
494 /* Return and schedule the completion of the call. */
495 return tevent_req_post(req, ev);
498 static ssize_t cephwrap_pread_recv(struct tevent_req *req,
499 struct vfs_aio_state *vfs_aio_state)
501 struct cephwrap_pread_state *state =
502 tevent_req_data(req, struct cephwrap_pread_state);
504 DBG_DEBUG("[CEPH] %s\n", __func__);
505 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
508 *vfs_aio_state = state->vfs_aio_state;
509 return state->bytes_read;
512 static ssize_t cephwrap_pwrite(struct vfs_handle_struct *handle, files_struct *fsp, const void *data,
513 size_t n, off_t offset)
517 DBG_DEBUG("[CEPH] pwrite(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
518 result = ceph_write(handle->data, fsp->fh->fd, data, n, offset);
519 DBG_DEBUG("[CEPH] pwrite(...) = %llu\n", llu(result));
523 struct cephwrap_pwrite_state {
524 ssize_t bytes_written;
525 struct vfs_aio_state vfs_aio_state;
529 * Fake up an async ceph write by calling the synchronous API.
531 static struct tevent_req *cephwrap_pwrite_send(struct vfs_handle_struct *handle,
533 struct tevent_context *ev,
534 struct files_struct *fsp,
536 size_t n, off_t offset)
538 struct tevent_req *req = NULL;
539 struct cephwrap_pwrite_state *state = NULL;
542 DBG_DEBUG("[CEPH] %s\n", __func__);
543 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pwrite_state);
548 ret = ceph_write(handle->data, fsp->fh->fd, data, n, offset);
550 /* ceph returns -errno on error. */
551 tevent_req_error(req, -ret);
552 return tevent_req_post(req, ev);
555 state->bytes_written = ret;
556 tevent_req_done(req);
557 /* Return and schedule the completion of the call. */
558 return tevent_req_post(req, ev);
561 static ssize_t cephwrap_pwrite_recv(struct tevent_req *req,
562 struct vfs_aio_state *vfs_aio_state)
564 struct cephwrap_pwrite_state *state =
565 tevent_req_data(req, struct cephwrap_pwrite_state);
567 DBG_DEBUG("[CEPH] %s\n", __func__);
568 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
571 *vfs_aio_state = state->vfs_aio_state;
572 return state->bytes_written;
575 static off_t cephwrap_lseek(struct vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
579 DBG_DEBUG("[CEPH] cephwrap_lseek\n");
580 result = ceph_lseek(handle->data, fsp->fh->fd, offset, whence);
584 static ssize_t cephwrap_sendfile(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
585 off_t offset, size_t n)
588 * We cannot support sendfile because libceph is in user space.
590 DBG_DEBUG("[CEPH] cephwrap_sendfile\n");
595 static ssize_t cephwrap_recvfile(struct vfs_handle_struct *handle,
602 * We cannot support recvfile because libceph is in user space.
604 DBG_DEBUG("[CEPH] cephwrap_recvfile\n");
609 static int cephwrap_rename(struct vfs_handle_struct *handle,
610 const struct smb_filename *smb_fname_src,
611 const struct smb_filename *smb_fname_dst)
614 DBG_DEBUG("[CEPH] cephwrap_rename\n");
615 if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
620 result = ceph_rename(handle->data, smb_fname_src->base_name, smb_fname_dst->base_name);
625 * Fake up an async ceph fsync by calling the synchronous API.
628 static struct tevent_req *cephwrap_fsync_send(struct vfs_handle_struct *handle,
630 struct tevent_context *ev,
633 struct tevent_req *req = NULL;
634 struct vfs_aio_state *state = NULL;
637 DBG_DEBUG("[CEPH] cephwrap_fsync_send\n");
639 req = tevent_req_create(mem_ctx, &state, struct vfs_aio_state);
644 /* Make sync call. */
645 ret = ceph_fsync(handle->data, fsp->fh->fd, false);
648 /* ceph_fsync returns -errno on error. */
649 tevent_req_error(req, -ret);
650 return tevent_req_post(req, ev);
653 /* Mark it as done. */
654 tevent_req_done(req);
655 /* Return and schedule the completion of the call. */
656 return tevent_req_post(req, ev);
659 static int cephwrap_fsync_recv(struct tevent_req *req,
660 struct vfs_aio_state *vfs_aio_state)
662 struct vfs_aio_state *state =
663 tevent_req_data(req, struct vfs_aio_state);
665 DBG_DEBUG("[CEPH] cephwrap_fsync_recv\n");
667 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
670 *vfs_aio_state = *state;
674 #ifdef HAVE_CEPH_STATX
675 #define SAMBA_STATX_ATTR_MASK (CEPH_STATX_BASIC_STATS|CEPH_STATX_BTIME)
677 static void init_stat_ex_from_ceph_statx(struct stat_ex *dst, const struct ceph_statx *stx)
679 DBG_DEBUG("[CEPH]\tstx = {dev = %llx, ino = %llu, mode = 0x%x, "
680 "nlink = %llu, uid = %d, gid = %d, rdev = %llx, size = %llu, "
681 "blksize = %llu, blocks = %llu, atime = %llu, mtime = %llu, "
682 "ctime = %llu, btime = %llu}\n",
683 llu(stx->stx_dev), llu(stx->stx_ino), stx->stx_mode,
684 llu(stx->stx_nlink), stx->stx_uid, stx->stx_gid,
685 llu(stx->stx_rdev), llu(stx->stx_size), llu(stx->stx_blksize),
686 llu(stx->stx_blocks), llu(stx->stx_atime.tv_sec),
687 llu(stx->stx_mtime.tv_sec), llu(stx->stx_ctime.tv_sec),
688 llu(stx->stx_btime.tv_sec));
690 if ((stx->stx_mask & SAMBA_STATX_ATTR_MASK) != SAMBA_STATX_ATTR_MASK) {
691 DBG_WARNING("%s: stx->stx_mask is incorrect (wanted %x, got %x)",
692 __func__, SAMBA_STATX_ATTR_MASK, stx->stx_mask);
695 dst->st_ex_dev = stx->stx_dev;
696 dst->st_ex_rdev = stx->stx_rdev;
697 dst->st_ex_ino = stx->stx_ino;
698 dst->st_ex_mode = stx->stx_mode;
699 dst->st_ex_uid = stx->stx_uid;
700 dst->st_ex_gid = stx->stx_gid;
701 dst->st_ex_size = stx->stx_size;
702 dst->st_ex_nlink = stx->stx_nlink;
703 dst->st_ex_atime = stx->stx_atime;
704 dst->st_ex_btime = stx->stx_btime;
705 dst->st_ex_ctime = stx->stx_ctime;
706 dst->st_ex_mtime = stx->stx_mtime;
707 dst->st_ex_itime = dst->st_ex_btime;
708 dst->st_ex_iflags = ST_EX_IFLAG_CALCULATED_ITIME;
709 dst->st_ex_blksize = stx->stx_blksize;
710 dst->st_ex_blocks = stx->stx_blocks;
711 dst->st_ex_file_id = dst->st_ex_ino;
712 dst->st_ex_iflags |= ST_EX_IFLAG_CALCULATED_FILE_ID;
715 static int cephwrap_stat(struct vfs_handle_struct *handle,
716 struct smb_filename *smb_fname)
719 struct ceph_statx stx;
721 DBG_DEBUG("[CEPH] stat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
723 if (smb_fname->stream_name) {
728 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
729 SAMBA_STATX_ATTR_MASK, 0);
730 DBG_DEBUG("[CEPH] statx(...) = %d\n", result);
735 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
736 DBG_DEBUG("[CEPH] mode = 0x%x\n", smb_fname->st.st_ex_mode);
740 static int cephwrap_fstat(struct vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
743 struct ceph_statx stx;
745 DBG_DEBUG("[CEPH] fstat(%p, %d)\n", handle, fsp->fh->fd);
746 result = ceph_fstatx(handle->data, fsp->fh->fd, &stx,
747 SAMBA_STATX_ATTR_MASK, 0);
748 DBG_DEBUG("[CEPH] fstat(...) = %d\n", result);
753 init_stat_ex_from_ceph_statx(sbuf, &stx);
754 DBG_DEBUG("[CEPH] mode = 0x%x\n", sbuf->st_ex_mode);
758 static int cephwrap_lstat(struct vfs_handle_struct *handle,
759 struct smb_filename *smb_fname)
762 struct ceph_statx stx;
764 DBG_DEBUG("[CEPH] lstat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
766 if (smb_fname->stream_name) {
771 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
772 SAMBA_STATX_ATTR_MASK, AT_SYMLINK_NOFOLLOW);
773 DBG_DEBUG("[CEPH] lstat(...) = %d\n", result);
778 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
782 static int cephwrap_ntimes(struct vfs_handle_struct *handle,
783 const struct smb_filename *smb_fname,
784 struct smb_file_time *ft)
786 struct ceph_statx stx = { 0 };
790 if (!null_timespec(ft->atime)) {
791 stx.stx_atime = ft->atime;
792 mask |= CEPH_SETATTR_ATIME;
794 if (!null_timespec(ft->mtime)) {
795 stx.stx_mtime = ft->mtime;
796 mask |= CEPH_SETATTR_MTIME;
798 if (!null_timespec(ft->create_time)) {
799 stx.stx_btime = ft->create_time;
800 mask |= CEPH_SETATTR_BTIME;
807 result = ceph_setattrx(handle->data, smb_fname->base_name, &stx, mask, 0);
808 DBG_DEBUG("[CEPH] ntimes(%p, %s, {%ld, %ld, %ld, %ld}) = %d\n", handle, smb_fname_str_dbg(smb_fname),
809 ft->mtime.tv_sec, ft->atime.tv_sec, ft->ctime.tv_sec,
810 ft->create_time.tv_sec, result);
814 #else /* HAVE_CEPH_STATX */
816 static int cephwrap_stat(struct vfs_handle_struct *handle,
817 struct smb_filename *smb_fname)
822 DBG_DEBUG("[CEPH] stat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
824 if (smb_fname->stream_name) {
829 result = ceph_stat(handle->data, smb_fname->base_name, (struct stat *) &stbuf);
830 DBG_DEBUG("[CEPH] stat(...) = %d\n", result);
835 DBG_DEBUG("[CEPH]\tstbuf = {dev = %llu, ino = %llu, mode = 0x%x, nlink = %llu, "
836 "uid = %d, gid = %d, rdev = %llu, size = %llu, blksize = %llu, "
837 "blocks = %llu, atime = %llu, mtime = %llu, ctime = %llu}\n",
838 llu(stbuf.st_dev), llu(stbuf.st_ino), stbuf.st_mode, llu(stbuf.st_nlink),
839 stbuf.st_uid, stbuf.st_gid, llu(stbuf.st_rdev), llu(stbuf.st_size), llu(stbuf.st_blksize),
840 llu(stbuf.st_blocks), llu(stbuf.st_atime), llu(stbuf.st_mtime), llu(stbuf.st_ctime));
842 init_stat_ex_from_stat(
843 &smb_fname->st, &stbuf,
844 lp_fake_directory_create_times(SNUM(handle->conn)));
845 DBG_DEBUG("[CEPH] mode = 0x%x\n", smb_fname->st.st_ex_mode);
849 static int cephwrap_fstat(struct vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
854 DBG_DEBUG("[CEPH] fstat(%p, %d)\n", handle, fsp->fh->fd);
855 result = ceph_fstat(handle->data, fsp->fh->fd, (struct stat *) &stbuf);
856 DBG_DEBUG("[CEPH] fstat(...) = %d\n", result);
861 DBG_DEBUG("[CEPH]\tstbuf = {dev = %llu, ino = %llu, mode = 0x%x, nlink = %llu, "
862 "uid = %d, gid = %d, rdev = %llu, size = %llu, blksize = %llu, "
863 "blocks = %llu, atime = %llu, mtime = %llu, ctime = %llu}\n",
864 llu(stbuf.st_dev), llu(stbuf.st_ino), stbuf.st_mode, llu(stbuf.st_nlink),
865 stbuf.st_uid, stbuf.st_gid, llu(stbuf.st_rdev), llu(stbuf.st_size), llu(stbuf.st_blksize),
866 llu(stbuf.st_blocks), llu(stbuf.st_atime), llu(stbuf.st_mtime), llu(stbuf.st_ctime));
868 init_stat_ex_from_stat(
870 lp_fake_directory_create_times(SNUM(handle->conn)));
871 DBG_DEBUG("[CEPH] mode = 0x%x\n", sbuf->st_ex_mode);
875 static int cephwrap_lstat(struct vfs_handle_struct *handle,
876 struct smb_filename *smb_fname)
881 DBG_DEBUG("[CEPH] lstat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
883 if (smb_fname->stream_name) {
888 result = ceph_lstat(handle->data, smb_fname->base_name, &stbuf);
889 DBG_DEBUG("[CEPH] lstat(...) = %d\n", result);
894 init_stat_ex_from_stat(
895 &smb_fname->st, &stbuf,
896 lp_fake_directory_create_times(SNUM(handle->conn)));
900 static int cephwrap_ntimes(struct vfs_handle_struct *handle,
901 const struct smb_filename *smb_fname,
902 struct smb_file_time *ft)
907 if (null_timespec(ft->atime)) {
908 buf.actime = smb_fname->st.st_ex_atime.tv_sec;
910 buf.actime = ft->atime.tv_sec;
912 if (null_timespec(ft->mtime)) {
913 buf.modtime = smb_fname->st.st_ex_mtime.tv_sec;
915 buf.modtime = ft->mtime.tv_sec;
917 if (!null_timespec(ft->create_time)) {
918 set_create_timespec_ea(handle->conn, smb_fname,
921 if (buf.actime == smb_fname->st.st_ex_atime.tv_sec &&
922 buf.modtime == smb_fname->st.st_ex_mtime.tv_sec) {
926 result = ceph_utime(handle->data, smb_fname->base_name, &buf);
927 DBG_DEBUG("[CEPH] ntimes(%p, %s, {%ld, %ld, %ld, %ld}) = %d\n", handle, smb_fname_str_dbg(smb_fname),
928 ft->mtime.tv_sec, ft->atime.tv_sec, ft->ctime.tv_sec,
929 ft->create_time.tv_sec, result);
932 #endif /* HAVE_CEPH_STATX */
934 static int cephwrap_unlink(struct vfs_handle_struct *handle,
935 const struct smb_filename *smb_fname)
939 DBG_DEBUG("[CEPH] unlink(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
940 if (smb_fname->stream_name) {
944 result = ceph_unlink(handle->data, smb_fname->base_name);
945 DBG_DEBUG("[CEPH] unlink(...) = %d\n", result);
949 static int cephwrap_chmod(struct vfs_handle_struct *handle,
950 const struct smb_filename *smb_fname,
955 DBG_DEBUG("[CEPH] chmod(%p, %s, %d)\n", handle, smb_fname->base_name, mode);
956 result = ceph_chmod(handle->data, smb_fname->base_name, mode);
957 DBG_DEBUG("[CEPH] chmod(...) = %d\n", result);
961 static int cephwrap_fchmod(struct vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
965 DBG_DEBUG("[CEPH] fchmod(%p, %p, %d)\n", handle, fsp, mode);
966 result = ceph_fchmod(handle->data, fsp->fh->fd, mode);
967 DBG_DEBUG("[CEPH] fchmod(...) = %d\n", result);
971 static int cephwrap_chown(struct vfs_handle_struct *handle,
972 const struct smb_filename *smb_fname,
977 DBG_DEBUG("[CEPH] chown(%p, %s, %d, %d)\n", handle, smb_fname->base_name, uid, gid);
978 result = ceph_chown(handle->data, smb_fname->base_name, uid, gid);
979 DBG_DEBUG("[CEPH] chown(...) = %d\n", result);
983 static int cephwrap_fchown(struct vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
987 DBG_DEBUG("[CEPH] fchown(%p, %p, %d, %d)\n", handle, fsp, uid, gid);
988 result = ceph_fchown(handle->data, fsp->fh->fd, uid, gid);
989 DBG_DEBUG("[CEPH] fchown(...) = %d\n", result);
993 static int cephwrap_lchown(struct vfs_handle_struct *handle,
994 const struct smb_filename *smb_fname,
999 DBG_DEBUG("[CEPH] lchown(%p, %s, %d, %d)\n", handle, smb_fname->base_name, uid, gid);
1000 result = ceph_lchown(handle->data, smb_fname->base_name, uid, gid);
1001 DBG_DEBUG("[CEPH] lchown(...) = %d\n", result);
1002 WRAP_RETURN(result);
1005 static int cephwrap_chdir(struct vfs_handle_struct *handle,
1006 const struct smb_filename *smb_fname)
1009 DBG_DEBUG("[CEPH] chdir(%p, %s)\n", handle, smb_fname->base_name);
1010 result = ceph_chdir(handle->data, smb_fname->base_name);
1011 DBG_DEBUG("[CEPH] chdir(...) = %d\n", result);
1012 WRAP_RETURN(result);
1015 static struct smb_filename *cephwrap_getwd(struct vfs_handle_struct *handle,
1018 const char *cwd = ceph_getcwd(handle->data);
1019 DBG_DEBUG("[CEPH] getwd(%p) = %s\n", handle, cwd);
1020 return synthetic_smb_fname(ctx,
1027 static int strict_allocate_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1029 off_t space_to_write;
1032 SMB_STRUCT_STAT *pst;
1034 status = vfs_stat_fsp(fsp);
1035 if (!NT_STATUS_IS_OK(status)) {
1038 pst = &fsp->fsp_name->st;
1041 if (S_ISFIFO(pst->st_ex_mode))
1045 if (pst->st_ex_size == len)
1048 /* Shrink - just ftruncate. */
1049 if (pst->st_ex_size > len) {
1050 result = ceph_ftruncate(handle->data, fsp->fh->fd, len);
1051 WRAP_RETURN(result);
1054 space_to_write = len - pst->st_ex_size;
1055 result = ceph_fallocate(handle->data, fsp->fh->fd, 0, pst->st_ex_size,
1057 WRAP_RETURN(result);
1060 static int cephwrap_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1064 DBG_DEBUG("[CEPH] ftruncate(%p, %p, %llu\n", handle, fsp, llu(len));
1066 if (lp_strict_allocate(SNUM(fsp->conn))) {
1067 return strict_allocate_ftruncate(handle, fsp, len);
1070 result = ceph_ftruncate(handle->data, fsp->fh->fd, len);
1071 WRAP_RETURN(result);
1074 static int cephwrap_fallocate(struct vfs_handle_struct *handle,
1075 struct files_struct *fsp,
1082 DBG_DEBUG("[CEPH] fallocate(%p, %p, %u, %llu, %llu\n",
1083 handle, fsp, mode, llu(offset), llu(len));
1084 /* unsupported mode flags are rejected by libcephfs */
1085 result = ceph_fallocate(handle->data, fsp->fh->fd, mode, offset, len);
1086 DBG_DEBUG("[CEPH] fallocate(...) = %d\n", result);
1087 WRAP_RETURN(result);
1090 static bool cephwrap_lock(struct vfs_handle_struct *handle, files_struct *fsp, int op, off_t offset, off_t count, int type)
1092 DBG_DEBUG("[CEPH] lock\n");
1096 static int cephwrap_kernel_flock(struct vfs_handle_struct *handle, files_struct *fsp,
1097 uint32_t share_mode, uint32_t access_mask)
1099 DBG_ERR("[CEPH] flock unsupported! Consider setting "
1100 "\"kernel share modes = no\"\n");
1106 static bool cephwrap_getlock(struct vfs_handle_struct *handle, files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid)
1108 DBG_DEBUG("[CEPH] getlock returning false and errno=0\n");
1115 * We cannot let this fall through to the default, because the file might only
1116 * be accessible from libceph (which is a user-space client) but the fd might
1117 * be for some file the kernel knows about.
1119 static int cephwrap_linux_setlease(struct vfs_handle_struct *handle, files_struct *fsp,
1124 DBG_DEBUG("[CEPH] linux_setlease\n");
1129 static int cephwrap_symlink(struct vfs_handle_struct *handle,
1130 const char *link_target,
1131 const struct smb_filename *new_smb_fname)
1134 DBG_DEBUG("[CEPH] symlink(%p, %s, %s)\n", handle,
1136 new_smb_fname->base_name);
1137 result = ceph_symlink(handle->data,
1139 new_smb_fname->base_name);
1140 DBG_DEBUG("[CEPH] symlink(...) = %d\n", result);
1141 WRAP_RETURN(result);
1144 static int cephwrap_readlink(struct vfs_handle_struct *handle,
1145 const struct smb_filename *smb_fname,
1150 DBG_DEBUG("[CEPH] readlink(%p, %s, %p, %llu)\n", handle,
1151 smb_fname->base_name, buf, llu(bufsiz));
1152 result = ceph_readlink(handle->data, smb_fname->base_name, buf, bufsiz);
1153 DBG_DEBUG("[CEPH] readlink(...) = %d\n", result);
1154 WRAP_RETURN(result);
1157 static int cephwrap_link(struct vfs_handle_struct *handle,
1158 const struct smb_filename *old_smb_fname,
1159 const struct smb_filename *new_smb_fname)
1162 DBG_DEBUG("[CEPH] link(%p, %s, %s)\n", handle,
1163 old_smb_fname->base_name,
1164 new_smb_fname->base_name);
1165 result = ceph_link(handle->data,
1166 old_smb_fname->base_name,
1167 new_smb_fname->base_name);
1168 DBG_DEBUG("[CEPH] link(...) = %d\n", result);
1169 WRAP_RETURN(result);
1172 static int cephwrap_mknod(struct vfs_handle_struct *handle,
1173 const struct smb_filename *smb_fname,
1178 DBG_DEBUG("[CEPH] mknod(%p, %s)\n", handle, smb_fname->base_name);
1179 result = ceph_mknod(handle->data, smb_fname->base_name, mode, dev);
1180 DBG_DEBUG("[CEPH] mknod(...) = %d\n", result);
1181 WRAP_RETURN(result);
1185 * This is a simple version of real-path ... a better version is needed to
1186 * ask libceph about symbolic links.
1188 static struct smb_filename *cephwrap_realpath(struct vfs_handle_struct *handle,
1190 const struct smb_filename *smb_fname)
1192 char *result = NULL;
1193 const char *path = smb_fname->base_name;
1194 size_t len = strlen(path);
1195 struct smb_filename *result_fname = NULL;
1198 if (len && (path[0] == '/')) {
1199 r = asprintf(&result, "%s", path);
1200 } else if ((len >= 2) && (path[0] == '.') && (path[1] == '/')) {
1202 r = asprintf(&result, "%s",
1203 handle->conn->cwd_fname->base_name);
1205 r = asprintf(&result, "%s/%s",
1206 handle->conn->cwd_fname->base_name, &path[2]);
1209 r = asprintf(&result, "%s/%s",
1210 handle->conn->cwd_fname->base_name, path);
1217 DBG_DEBUG("[CEPH] realpath(%p, %s) = %s\n", handle, path, result);
1218 result_fname = synthetic_smb_fname(ctx,
1224 return result_fname;
1227 static int cephwrap_chflags(struct vfs_handle_struct *handle,
1228 const struct smb_filename *smb_fname,
1235 static int cephwrap_get_real_filename(struct vfs_handle_struct *handle,
1238 TALLOC_CTX *mem_ctx,
1242 * Don't fall back to get_real_filename so callers can differentiate
1243 * between a full directory scan and an actual case-insensitive stat.
1249 static const char *cephwrap_connectpath(struct vfs_handle_struct *handle,
1250 const struct smb_filename *smb_fname)
1252 return handle->conn->connectpath;
1255 /****************************************************************
1256 Extended attribute operations.
1257 *****************************************************************/
1259 static ssize_t cephwrap_getxattr(struct vfs_handle_struct *handle,
1260 const struct smb_filename *smb_fname,
1266 DBG_DEBUG("[CEPH] getxattr(%p, %s, %s, %p, %llu)\n", handle,
1267 smb_fname->base_name, name, value, llu(size));
1268 ret = ceph_getxattr(handle->data,
1269 smb_fname->base_name, name, value, size);
1270 DBG_DEBUG("[CEPH] getxattr(...) = %d\n", ret);
1274 return (ssize_t)ret;
1277 static ssize_t cephwrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
1280 DBG_DEBUG("[CEPH] fgetxattr(%p, %p, %s, %p, %llu)\n", handle, fsp, name, value, llu(size));
1281 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1282 ret = ceph_fgetxattr(handle->data, fsp->fh->fd, name, value, size);
1284 ret = ceph_getxattr(handle->data, fsp->fsp_name->base_name, name, value, size);
1286 DBG_DEBUG("[CEPH] fgetxattr(...) = %d\n", ret);
1290 return (ssize_t)ret;
1293 static ssize_t cephwrap_listxattr(struct vfs_handle_struct *handle,
1294 const struct smb_filename *smb_fname,
1299 DBG_DEBUG("[CEPH] listxattr(%p, %s, %p, %llu)\n", handle,
1300 smb_fname->base_name, list, llu(size));
1301 ret = ceph_listxattr(handle->data, smb_fname->base_name, list, size);
1302 DBG_DEBUG("[CEPH] listxattr(...) = %d\n", ret);
1306 return (ssize_t)ret;
1309 static ssize_t cephwrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
1312 DBG_DEBUG("[CEPH] flistxattr(%p, %p, %p, %llu)\n",
1313 handle, fsp, list, llu(size));
1314 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1315 ret = ceph_flistxattr(handle->data, fsp->fh->fd, list, size);
1317 ret = ceph_listxattr(handle->data, fsp->fsp_name->base_name, list, size);
1319 DBG_DEBUG("[CEPH] flistxattr(...) = %d\n", ret);
1323 return (ssize_t)ret;
1326 static int cephwrap_removexattr(struct vfs_handle_struct *handle,
1327 const struct smb_filename *smb_fname,
1331 DBG_DEBUG("[CEPH] removexattr(%p, %s, %s)\n", handle,
1332 smb_fname->base_name, name);
1333 ret = ceph_removexattr(handle->data, smb_fname->base_name, name);
1334 DBG_DEBUG("[CEPH] removexattr(...) = %d\n", ret);
1338 static int cephwrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
1341 DBG_DEBUG("[CEPH] fremovexattr(%p, %p, %s)\n", handle, fsp, name);
1342 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1343 ret = ceph_fremovexattr(handle->data, fsp->fh->fd, name);
1345 ret = ceph_removexattr(handle->data, fsp->fsp_name->base_name, name);
1347 DBG_DEBUG("[CEPH] fremovexattr(...) = %d\n", ret);
1351 static int cephwrap_setxattr(struct vfs_handle_struct *handle,
1352 const struct smb_filename *smb_fname,
1359 DBG_DEBUG("[CEPH] setxattr(%p, %s, %s, %p, %llu, %d)\n", handle,
1360 smb_fname->base_name, name, value, llu(size), flags);
1361 ret = ceph_setxattr(handle->data, smb_fname->base_name,
1362 name, value, size, flags);
1363 DBG_DEBUG("[CEPH] setxattr(...) = %d\n", ret);
1367 static int cephwrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
1370 DBG_DEBUG("[CEPH] fsetxattr(%p, %p, %s, %p, %llu, %d)\n", handle, fsp, name, value, llu(size), flags);
1371 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1372 ret = ceph_fsetxattr(handle->data, fsp->fh->fd,
1373 name, value, size, flags);
1375 ret = ceph_setxattr(handle->data, fsp->fsp_name->base_name, name, value, size, flags);
1377 DBG_DEBUG("[CEPH] fsetxattr(...) = %d\n", ret);
1381 static bool cephwrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
1385 * We do not support AIO yet.
1388 DBG_DEBUG("[CEPH] cephwrap_aio_force(%p, %p) = false (errno = ENOTSUP)\n", handle, fsp);
1393 static struct vfs_fn_pointers ceph_fns = {
1394 /* Disk operations */
1396 .connect_fn = cephwrap_connect,
1397 .disconnect_fn = cephwrap_disconnect,
1398 .disk_free_fn = cephwrap_disk_free,
1399 .get_quota_fn = cephwrap_get_quota,
1400 .set_quota_fn = cephwrap_set_quota,
1401 .statvfs_fn = cephwrap_statvfs,
1402 .fs_capabilities_fn = cephwrap_fs_capabilities,
1404 /* Directory operations */
1406 .opendir_fn = cephwrap_opendir,
1407 .fdopendir_fn = cephwrap_fdopendir,
1408 .readdir_fn = cephwrap_readdir,
1409 .seekdir_fn = cephwrap_seekdir,
1410 .telldir_fn = cephwrap_telldir,
1411 .rewind_dir_fn = cephwrap_rewinddir,
1412 .mkdir_fn = cephwrap_mkdir,
1413 .rmdir_fn = cephwrap_rmdir,
1414 .closedir_fn = cephwrap_closedir,
1416 /* File operations */
1418 .open_fn = cephwrap_open,
1419 .close_fn = cephwrap_close,
1420 .pread_fn = cephwrap_pread,
1421 .pread_send_fn = cephwrap_pread_send,
1422 .pread_recv_fn = cephwrap_pread_recv,
1423 .pwrite_fn = cephwrap_pwrite,
1424 .pwrite_send_fn = cephwrap_pwrite_send,
1425 .pwrite_recv_fn = cephwrap_pwrite_recv,
1426 .lseek_fn = cephwrap_lseek,
1427 .sendfile_fn = cephwrap_sendfile,
1428 .recvfile_fn = cephwrap_recvfile,
1429 .rename_fn = cephwrap_rename,
1430 .fsync_send_fn = cephwrap_fsync_send,
1431 .fsync_recv_fn = cephwrap_fsync_recv,
1432 .stat_fn = cephwrap_stat,
1433 .fstat_fn = cephwrap_fstat,
1434 .lstat_fn = cephwrap_lstat,
1435 .unlink_fn = cephwrap_unlink,
1436 .chmod_fn = cephwrap_chmod,
1437 .fchmod_fn = cephwrap_fchmod,
1438 .chown_fn = cephwrap_chown,
1439 .fchown_fn = cephwrap_fchown,
1440 .lchown_fn = cephwrap_lchown,
1441 .chdir_fn = cephwrap_chdir,
1442 .getwd_fn = cephwrap_getwd,
1443 .ntimes_fn = cephwrap_ntimes,
1444 .ftruncate_fn = cephwrap_ftruncate,
1445 .fallocate_fn = cephwrap_fallocate,
1446 .lock_fn = cephwrap_lock,
1447 .kernel_flock_fn = cephwrap_kernel_flock,
1448 .linux_setlease_fn = cephwrap_linux_setlease,
1449 .getlock_fn = cephwrap_getlock,
1450 .symlink_fn = cephwrap_symlink,
1451 .readlink_fn = cephwrap_readlink,
1452 .link_fn = cephwrap_link,
1453 .mknod_fn = cephwrap_mknod,
1454 .realpath_fn = cephwrap_realpath,
1455 .chflags_fn = cephwrap_chflags,
1456 .get_real_filename_fn = cephwrap_get_real_filename,
1457 .connectpath_fn = cephwrap_connectpath,
1459 /* EA operations. */
1460 .getxattr_fn = cephwrap_getxattr,
1461 .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,
1462 .getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
1463 .fgetxattr_fn = cephwrap_fgetxattr,
1464 .listxattr_fn = cephwrap_listxattr,
1465 .flistxattr_fn = cephwrap_flistxattr,
1466 .removexattr_fn = cephwrap_removexattr,
1467 .fremovexattr_fn = cephwrap_fremovexattr,
1468 .setxattr_fn = cephwrap_setxattr,
1469 .fsetxattr_fn = cephwrap_fsetxattr,
1471 /* Posix ACL Operations */
1472 .sys_acl_get_file_fn = posixacl_xattr_acl_get_file,
1473 .sys_acl_get_fd_fn = posixacl_xattr_acl_get_fd,
1474 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
1475 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
1476 .sys_acl_set_file_fn = posixacl_xattr_acl_set_file,
1477 .sys_acl_set_fd_fn = posixacl_xattr_acl_set_fd,
1478 .sys_acl_delete_def_file_fn = posixacl_xattr_acl_delete_def_file,
1480 /* aio operations */
1481 .aio_force_fn = cephwrap_aio_force,
1485 NTSTATUS vfs_ceph_init(TALLOC_CTX *ctx)
1487 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,