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,
332 struct ceph_dir_result *result;
333 DBG_DEBUG("[CEPH] fdopendir(%p, %p)\n", handle, fsp);
335 ret = ceph_opendir(handle->data, fsp->fsp_name->base_name, &result);
338 errno = -ret; /* We return result which is NULL in this case */
341 DBG_DEBUG("[CEPH] fdopendir(...) = %d\n", ret);
342 return (DIR *) result;
345 static struct dirent *cephwrap_readdir(struct vfs_handle_struct *handle,
347 SMB_STRUCT_STAT *sbuf)
349 struct dirent *result;
351 DBG_DEBUG("[CEPH] readdir(%p, %p)\n", handle, dirp);
352 result = ceph_readdir(handle->data, (struct ceph_dir_result *) dirp);
353 DBG_DEBUG("[CEPH] readdir(...) = %p\n", result);
355 /* Default Posix readdir() does not give us stat info.
356 * Set to invalid to indicate we didn't return this info. */
358 SET_STAT_INVALID(*sbuf);
362 static void cephwrap_seekdir(struct vfs_handle_struct *handle, DIR *dirp, long offset)
364 DBG_DEBUG("[CEPH] seekdir(%p, %p, %ld)\n", handle, dirp, offset);
365 ceph_seekdir(handle->data, (struct ceph_dir_result *) dirp, offset);
368 static long cephwrap_telldir(struct vfs_handle_struct *handle, DIR *dirp)
371 DBG_DEBUG("[CEPH] telldir(%p, %p)\n", handle, dirp);
372 ret = ceph_telldir(handle->data, (struct ceph_dir_result *) dirp);
373 DBG_DEBUG("[CEPH] telldir(...) = %ld\n", ret);
377 static void cephwrap_rewinddir(struct vfs_handle_struct *handle, DIR *dirp)
379 DBG_DEBUG("[CEPH] rewinddir(%p, %p)\n", handle, dirp);
380 ceph_rewinddir(handle->data, (struct ceph_dir_result *) dirp);
383 static int cephwrap_mkdir(struct vfs_handle_struct *handle,
384 const struct smb_filename *smb_fname,
389 const char *path = smb_fname->base_name;
391 DBG_DEBUG("[CEPH] mkdir(%p, %s)\n", handle, path);
393 if (lp_inherit_acls(SNUM(handle->conn))
394 && parent_dirname(talloc_tos(), path, &parent, NULL)
395 && directory_has_default_acl(handle->conn, parent)) {
401 result = ceph_mkdir(handle->data, path, mode);
402 return WRAP_RETURN(result);
405 static int cephwrap_rmdir(struct vfs_handle_struct *handle,
406 const struct smb_filename *smb_fname)
410 DBG_DEBUG("[CEPH] rmdir(%p, %s)\n", handle, smb_fname->base_name);
411 result = ceph_rmdir(handle->data, smb_fname->base_name);
412 DBG_DEBUG("[CEPH] rmdir(...) = %d\n", result);
416 static int cephwrap_closedir(struct vfs_handle_struct *handle, DIR *dirp)
420 DBG_DEBUG("[CEPH] closedir(%p, %p)\n", handle, dirp);
421 result = ceph_closedir(handle->data, (struct ceph_dir_result *) dirp);
422 DBG_DEBUG("[CEPH] closedir(...) = %d\n", result);
426 /* File operations */
428 static int cephwrap_open(struct vfs_handle_struct *handle,
429 struct smb_filename *smb_fname,
430 files_struct *fsp, int flags, mode_t mode)
432 int result = -ENOENT;
433 DBG_DEBUG("[CEPH] open(%p, %s, %p, %d, %d)\n", handle,
434 smb_fname_str_dbg(smb_fname), fsp, flags, mode);
436 if (smb_fname->stream_name) {
440 result = ceph_open(handle->data, smb_fname->base_name, flags, mode);
442 DBG_DEBUG("[CEPH] open(...) = %d\n", result);
446 static int cephwrap_close(struct vfs_handle_struct *handle, files_struct *fsp)
450 DBG_DEBUG("[CEPH] close(%p, %p)\n", handle, fsp);
451 result = ceph_close(handle->data, fsp->fh->fd);
452 DBG_DEBUG("[CEPH] close(...) = %d\n", result);
457 static ssize_t cephwrap_pread(struct vfs_handle_struct *handle, files_struct *fsp, void *data,
458 size_t n, off_t offset)
462 DBG_DEBUG("[CEPH] pread(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
464 result = ceph_read(handle->data, fsp->fh->fd, data, n, offset);
465 DBG_DEBUG("[CEPH] pread(...) = %llu\n", llu(result));
469 struct cephwrap_pread_state {
471 struct vfs_aio_state vfs_aio_state;
475 * Fake up an async ceph read by calling the synchronous API.
477 static struct tevent_req *cephwrap_pread_send(struct vfs_handle_struct *handle,
479 struct tevent_context *ev,
480 struct files_struct *fsp,
482 size_t n, off_t offset)
484 struct tevent_req *req = NULL;
485 struct cephwrap_pread_state *state = NULL;
488 DBG_DEBUG("[CEPH] %s\n", __func__);
489 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pread_state);
494 ret = ceph_read(handle->data, fsp->fh->fd, data, n, offset);
496 /* ceph returns -errno on error. */
497 tevent_req_error(req, -ret);
498 return tevent_req_post(req, ev);
501 state->bytes_read = ret;
502 tevent_req_done(req);
503 /* Return and schedule the completion of the call. */
504 return tevent_req_post(req, ev);
507 static ssize_t cephwrap_pread_recv(struct tevent_req *req,
508 struct vfs_aio_state *vfs_aio_state)
510 struct cephwrap_pread_state *state =
511 tevent_req_data(req, struct cephwrap_pread_state);
513 DBG_DEBUG("[CEPH] %s\n", __func__);
514 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
517 *vfs_aio_state = state->vfs_aio_state;
518 return state->bytes_read;
521 static ssize_t cephwrap_pwrite(struct vfs_handle_struct *handle, files_struct *fsp, const void *data,
522 size_t n, off_t offset)
526 DBG_DEBUG("[CEPH] pwrite(%p, %p, %p, %llu, %llu)\n", handle, fsp, data, llu(n), llu(offset));
527 result = ceph_write(handle->data, fsp->fh->fd, data, n, offset);
528 DBG_DEBUG("[CEPH] pwrite(...) = %llu\n", llu(result));
532 struct cephwrap_pwrite_state {
533 ssize_t bytes_written;
534 struct vfs_aio_state vfs_aio_state;
538 * Fake up an async ceph write by calling the synchronous API.
540 static struct tevent_req *cephwrap_pwrite_send(struct vfs_handle_struct *handle,
542 struct tevent_context *ev,
543 struct files_struct *fsp,
545 size_t n, off_t offset)
547 struct tevent_req *req = NULL;
548 struct cephwrap_pwrite_state *state = NULL;
551 DBG_DEBUG("[CEPH] %s\n", __func__);
552 req = tevent_req_create(mem_ctx, &state, struct cephwrap_pwrite_state);
557 ret = ceph_write(handle->data, fsp->fh->fd, data, n, offset);
559 /* ceph returns -errno on error. */
560 tevent_req_error(req, -ret);
561 return tevent_req_post(req, ev);
564 state->bytes_written = ret;
565 tevent_req_done(req);
566 /* Return and schedule the completion of the call. */
567 return tevent_req_post(req, ev);
570 static ssize_t cephwrap_pwrite_recv(struct tevent_req *req,
571 struct vfs_aio_state *vfs_aio_state)
573 struct cephwrap_pwrite_state *state =
574 tevent_req_data(req, struct cephwrap_pwrite_state);
576 DBG_DEBUG("[CEPH] %s\n", __func__);
577 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
580 *vfs_aio_state = state->vfs_aio_state;
581 return state->bytes_written;
584 static off_t cephwrap_lseek(struct vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
588 DBG_DEBUG("[CEPH] cephwrap_lseek\n");
589 result = ceph_lseek(handle->data, fsp->fh->fd, offset, whence);
593 static ssize_t cephwrap_sendfile(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr,
594 off_t offset, size_t n)
597 * We cannot support sendfile because libceph is in user space.
599 DBG_DEBUG("[CEPH] cephwrap_sendfile\n");
604 static ssize_t cephwrap_recvfile(struct vfs_handle_struct *handle,
611 * We cannot support recvfile because libceph is in user space.
613 DBG_DEBUG("[CEPH] cephwrap_recvfile\n");
618 static int cephwrap_rename(struct vfs_handle_struct *handle,
619 const struct smb_filename *smb_fname_src,
620 const struct smb_filename *smb_fname_dst)
623 DBG_DEBUG("[CEPH] cephwrap_rename\n");
624 if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
629 result = ceph_rename(handle->data, smb_fname_src->base_name, smb_fname_dst->base_name);
634 * Fake up an async ceph fsync by calling the synchronous API.
637 static struct tevent_req *cephwrap_fsync_send(struct vfs_handle_struct *handle,
639 struct tevent_context *ev,
642 struct tevent_req *req = NULL;
643 struct vfs_aio_state *state = NULL;
646 DBG_DEBUG("[CEPH] cephwrap_fsync_send\n");
648 req = tevent_req_create(mem_ctx, &state, struct vfs_aio_state);
653 /* Make sync call. */
654 ret = ceph_fsync(handle->data, fsp->fh->fd, false);
657 /* ceph_fsync returns -errno on error. */
658 tevent_req_error(req, -ret);
659 return tevent_req_post(req, ev);
662 /* Mark it as done. */
663 tevent_req_done(req);
664 /* Return and schedule the completion of the call. */
665 return tevent_req_post(req, ev);
668 static int cephwrap_fsync_recv(struct tevent_req *req,
669 struct vfs_aio_state *vfs_aio_state)
671 struct vfs_aio_state *state =
672 tevent_req_data(req, struct vfs_aio_state);
674 DBG_DEBUG("[CEPH] cephwrap_fsync_recv\n");
676 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
679 *vfs_aio_state = *state;
683 #ifdef HAVE_CEPH_STATX
684 #define SAMBA_STATX_ATTR_MASK (CEPH_STATX_BASIC_STATS|CEPH_STATX_BTIME)
686 static void init_stat_ex_from_ceph_statx(struct stat_ex *dst, const struct ceph_statx *stx)
688 DBG_DEBUG("[CEPH]\tstx = {dev = %llx, ino = %llu, mode = 0x%x, "
689 "nlink = %llu, uid = %d, gid = %d, rdev = %llx, size = %llu, "
690 "blksize = %llu, blocks = %llu, atime = %llu, mtime = %llu, "
691 "ctime = %llu, btime = %llu}\n",
692 llu(stx->stx_dev), llu(stx->stx_ino), stx->stx_mode,
693 llu(stx->stx_nlink), stx->stx_uid, stx->stx_gid,
694 llu(stx->stx_rdev), llu(stx->stx_size), llu(stx->stx_blksize),
695 llu(stx->stx_blocks), llu(stx->stx_atime.tv_sec),
696 llu(stx->stx_mtime.tv_sec), llu(stx->stx_ctime.tv_sec),
697 llu(stx->stx_btime.tv_sec));
699 if ((stx->stx_mask & SAMBA_STATX_ATTR_MASK) != SAMBA_STATX_ATTR_MASK) {
700 DBG_WARNING("%s: stx->stx_mask is incorrect (wanted %x, got %x)",
701 __func__, SAMBA_STATX_ATTR_MASK, stx->stx_mask);
704 dst->st_ex_dev = stx->stx_dev;
705 dst->st_ex_rdev = stx->stx_rdev;
706 dst->st_ex_ino = stx->stx_ino;
707 dst->st_ex_mode = stx->stx_mode;
708 dst->st_ex_uid = stx->stx_uid;
709 dst->st_ex_gid = stx->stx_gid;
710 dst->st_ex_size = stx->stx_size;
711 dst->st_ex_nlink = stx->stx_nlink;
712 dst->st_ex_atime = stx->stx_atime;
713 dst->st_ex_btime = stx->stx_btime;
714 dst->st_ex_ctime = stx->stx_ctime;
715 dst->st_ex_mtime = stx->stx_mtime;
716 dst->st_ex_calculated_birthtime = false;
717 dst->st_ex_blksize = stx->stx_blksize;
718 dst->st_ex_blocks = stx->stx_blocks;
721 static int cephwrap_stat(struct vfs_handle_struct *handle,
722 struct smb_filename *smb_fname)
725 struct ceph_statx stx;
727 DBG_DEBUG("[CEPH] stat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
729 if (smb_fname->stream_name) {
734 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
735 SAMBA_STATX_ATTR_MASK, 0);
736 DBG_DEBUG("[CEPH] statx(...) = %d\n", result);
741 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
742 DBG_DEBUG("[CEPH] mode = 0x%x\n", smb_fname->st.st_ex_mode);
746 static int cephwrap_fstat(struct vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
749 struct ceph_statx stx;
751 DBG_DEBUG("[CEPH] fstat(%p, %d)\n", handle, fsp->fh->fd);
752 result = ceph_fstatx(handle->data, fsp->fh->fd, &stx,
753 SAMBA_STATX_ATTR_MASK, 0);
754 DBG_DEBUG("[CEPH] fstat(...) = %d\n", result);
759 init_stat_ex_from_ceph_statx(sbuf, &stx);
760 DBG_DEBUG("[CEPH] mode = 0x%x\n", sbuf->st_ex_mode);
764 static int cephwrap_lstat(struct vfs_handle_struct *handle,
765 struct smb_filename *smb_fname)
768 struct ceph_statx stx;
770 DBG_DEBUG("[CEPH] lstat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
772 if (smb_fname->stream_name) {
777 result = ceph_statx(handle->data, smb_fname->base_name, &stx,
778 SAMBA_STATX_ATTR_MASK, AT_SYMLINK_NOFOLLOW);
779 DBG_DEBUG("[CEPH] lstat(...) = %d\n", result);
784 init_stat_ex_from_ceph_statx(&smb_fname->st, &stx);
788 static int cephwrap_ntimes(struct vfs_handle_struct *handle,
789 const struct smb_filename *smb_fname,
790 struct smb_file_time *ft)
792 struct ceph_statx stx = { 0 };
796 if (!null_timespec(ft->atime)) {
797 stx.stx_atime = ft->atime;
798 mask |= CEPH_SETATTR_ATIME;
800 if (!null_timespec(ft->mtime)) {
801 stx.stx_mtime = ft->mtime;
802 mask |= CEPH_SETATTR_MTIME;
804 if (!null_timespec(ft->create_time)) {
805 stx.stx_btime = ft->create_time;
806 mask |= CEPH_SETATTR_BTIME;
813 result = ceph_setattrx(handle->data, smb_fname->base_name, &stx, mask, 0);
814 DBG_DEBUG("[CEPH] ntimes(%p, %s, {%ld, %ld, %ld, %ld}) = %d\n", handle, smb_fname_str_dbg(smb_fname),
815 ft->mtime.tv_sec, ft->atime.tv_sec, ft->ctime.tv_sec,
816 ft->create_time.tv_sec, result);
820 #else /* HAVE_CEPH_STATX */
822 static int cephwrap_stat(struct vfs_handle_struct *handle,
823 struct smb_filename *smb_fname)
828 DBG_DEBUG("[CEPH] stat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
830 if (smb_fname->stream_name) {
835 result = ceph_stat(handle->data, smb_fname->base_name, (struct stat *) &stbuf);
836 DBG_DEBUG("[CEPH] stat(...) = %d\n", result);
841 DBG_DEBUG("[CEPH]\tstbuf = {dev = %llu, ino = %llu, mode = 0x%x, nlink = %llu, "
842 "uid = %d, gid = %d, rdev = %llu, size = %llu, blksize = %llu, "
843 "blocks = %llu, atime = %llu, mtime = %llu, ctime = %llu}\n",
844 llu(stbuf.st_dev), llu(stbuf.st_ino), stbuf.st_mode, llu(stbuf.st_nlink),
845 stbuf.st_uid, stbuf.st_gid, llu(stbuf.st_rdev), llu(stbuf.st_size), llu(stbuf.st_blksize),
846 llu(stbuf.st_blocks), llu(stbuf.st_atime), llu(stbuf.st_mtime), llu(stbuf.st_ctime));
848 init_stat_ex_from_stat(
849 &smb_fname->st, &stbuf,
850 lp_fake_directory_create_times(SNUM(handle->conn)));
851 DBG_DEBUG("[CEPH] mode = 0x%x\n", smb_fname->st.st_ex_mode);
855 static int cephwrap_fstat(struct vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
860 DBG_DEBUG("[CEPH] fstat(%p, %d)\n", handle, fsp->fh->fd);
861 result = ceph_fstat(handle->data, fsp->fh->fd, (struct stat *) &stbuf);
862 DBG_DEBUG("[CEPH] fstat(...) = %d\n", result);
867 DBG_DEBUG("[CEPH]\tstbuf = {dev = %llu, ino = %llu, mode = 0x%x, nlink = %llu, "
868 "uid = %d, gid = %d, rdev = %llu, size = %llu, blksize = %llu, "
869 "blocks = %llu, atime = %llu, mtime = %llu, ctime = %llu}\n",
870 llu(stbuf.st_dev), llu(stbuf.st_ino), stbuf.st_mode, llu(stbuf.st_nlink),
871 stbuf.st_uid, stbuf.st_gid, llu(stbuf.st_rdev), llu(stbuf.st_size), llu(stbuf.st_blksize),
872 llu(stbuf.st_blocks), llu(stbuf.st_atime), llu(stbuf.st_mtime), llu(stbuf.st_ctime));
874 init_stat_ex_from_stat(
876 lp_fake_directory_create_times(SNUM(handle->conn)));
877 DBG_DEBUG("[CEPH] mode = 0x%x\n", sbuf->st_ex_mode);
881 static int cephwrap_lstat(struct vfs_handle_struct *handle,
882 struct smb_filename *smb_fname)
887 DBG_DEBUG("[CEPH] lstat(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
889 if (smb_fname->stream_name) {
894 result = ceph_lstat(handle->data, smb_fname->base_name, &stbuf);
895 DBG_DEBUG("[CEPH] lstat(...) = %d\n", result);
900 init_stat_ex_from_stat(
901 &smb_fname->st, &stbuf,
902 lp_fake_directory_create_times(SNUM(handle->conn)));
906 static int cephwrap_ntimes(struct vfs_handle_struct *handle,
907 const struct smb_filename *smb_fname,
908 struct smb_file_time *ft)
913 if (null_timespec(ft->atime)) {
914 buf.actime = smb_fname->st.st_ex_atime.tv_sec;
916 buf.actime = ft->atime.tv_sec;
918 if (null_timespec(ft->mtime)) {
919 buf.modtime = smb_fname->st.st_ex_mtime.tv_sec;
921 buf.modtime = ft->mtime.tv_sec;
923 if (!null_timespec(ft->create_time)) {
924 set_create_timespec_ea(handle->conn, smb_fname,
927 if (buf.actime == smb_fname->st.st_ex_atime.tv_sec &&
928 buf.modtime == smb_fname->st.st_ex_mtime.tv_sec) {
932 result = ceph_utime(handle->data, smb_fname->base_name, &buf);
933 DBG_DEBUG("[CEPH] ntimes(%p, %s, {%ld, %ld, %ld, %ld}) = %d\n", handle, smb_fname_str_dbg(smb_fname),
934 ft->mtime.tv_sec, ft->atime.tv_sec, ft->ctime.tv_sec,
935 ft->create_time.tv_sec, result);
938 #endif /* HAVE_CEPH_STATX */
940 static int cephwrap_unlink(struct vfs_handle_struct *handle,
941 const struct smb_filename *smb_fname)
945 DBG_DEBUG("[CEPH] unlink(%p, %s)\n", handle, smb_fname_str_dbg(smb_fname));
946 if (smb_fname->stream_name) {
950 result = ceph_unlink(handle->data, smb_fname->base_name);
951 DBG_DEBUG("[CEPH] unlink(...) = %d\n", result);
955 static int cephwrap_chmod(struct vfs_handle_struct *handle,
956 const struct smb_filename *smb_fname,
961 DBG_DEBUG("[CEPH] chmod(%p, %s, %d)\n", handle, smb_fname->base_name, mode);
962 result = ceph_chmod(handle->data, smb_fname->base_name, mode);
963 DBG_DEBUG("[CEPH] chmod(...) = %d\n", result);
967 static int cephwrap_fchmod(struct vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
971 DBG_DEBUG("[CEPH] fchmod(%p, %p, %d)\n", handle, fsp, mode);
972 result = ceph_fchmod(handle->data, fsp->fh->fd, mode);
973 DBG_DEBUG("[CEPH] fchmod(...) = %d\n", result);
977 static int cephwrap_chown(struct vfs_handle_struct *handle,
978 const struct smb_filename *smb_fname,
983 DBG_DEBUG("[CEPH] chown(%p, %s, %d, %d)\n", handle, smb_fname->base_name, uid, gid);
984 result = ceph_chown(handle->data, smb_fname->base_name, uid, gid);
985 DBG_DEBUG("[CEPH] chown(...) = %d\n", result);
989 static int cephwrap_fchown(struct vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
993 DBG_DEBUG("[CEPH] fchown(%p, %p, %d, %d)\n", handle, fsp, uid, gid);
994 result = ceph_fchown(handle->data, fsp->fh->fd, uid, gid);
995 DBG_DEBUG("[CEPH] fchown(...) = %d\n", result);
999 static int cephwrap_lchown(struct vfs_handle_struct *handle,
1000 const struct smb_filename *smb_fname,
1005 DBG_DEBUG("[CEPH] lchown(%p, %s, %d, %d)\n", handle, smb_fname->base_name, uid, gid);
1006 result = ceph_lchown(handle->data, smb_fname->base_name, uid, gid);
1007 DBG_DEBUG("[CEPH] lchown(...) = %d\n", result);
1008 WRAP_RETURN(result);
1011 static int cephwrap_chdir(struct vfs_handle_struct *handle,
1012 const struct smb_filename *smb_fname)
1015 DBG_DEBUG("[CEPH] chdir(%p, %s)\n", handle, smb_fname->base_name);
1016 result = ceph_chdir(handle->data, smb_fname->base_name);
1017 DBG_DEBUG("[CEPH] chdir(...) = %d\n", result);
1018 WRAP_RETURN(result);
1021 static struct smb_filename *cephwrap_getwd(struct vfs_handle_struct *handle,
1024 const char *cwd = ceph_getcwd(handle->data);
1025 DBG_DEBUG("[CEPH] getwd(%p) = %s\n", handle, cwd);
1026 return synthetic_smb_fname(ctx,
1033 static int strict_allocate_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1035 off_t space_to_write;
1038 SMB_STRUCT_STAT *pst;
1040 status = vfs_stat_fsp(fsp);
1041 if (!NT_STATUS_IS_OK(status)) {
1044 pst = &fsp->fsp_name->st;
1047 if (S_ISFIFO(pst->st_ex_mode))
1051 if (pst->st_ex_size == len)
1054 /* Shrink - just ftruncate. */
1055 if (pst->st_ex_size > len) {
1056 result = ceph_ftruncate(handle->data, fsp->fh->fd, len);
1057 WRAP_RETURN(result);
1060 space_to_write = len - pst->st_ex_size;
1061 result = ceph_fallocate(handle->data, fsp->fh->fd, 0, pst->st_ex_size,
1063 WRAP_RETURN(result);
1066 static int cephwrap_ftruncate(struct vfs_handle_struct *handle, files_struct *fsp, off_t len)
1070 DBG_DEBUG("[CEPH] ftruncate(%p, %p, %llu\n", handle, fsp, llu(len));
1072 if (lp_strict_allocate(SNUM(fsp->conn))) {
1073 return strict_allocate_ftruncate(handle, fsp, len);
1076 result = ceph_ftruncate(handle->data, fsp->fh->fd, len);
1077 WRAP_RETURN(result);
1080 static int cephwrap_fallocate(struct vfs_handle_struct *handle,
1081 struct files_struct *fsp,
1088 DBG_DEBUG("[CEPH] fallocate(%p, %p, %u, %llu, %llu\n",
1089 handle, fsp, mode, llu(offset), llu(len));
1090 /* unsupported mode flags are rejected by libcephfs */
1091 result = ceph_fallocate(handle->data, fsp->fh->fd, mode, offset, len);
1092 DBG_DEBUG("[CEPH] fallocate(...) = %d\n", result);
1093 WRAP_RETURN(result);
1096 static bool cephwrap_lock(struct vfs_handle_struct *handle, files_struct *fsp, int op, off_t offset, off_t count, int type)
1098 DBG_DEBUG("[CEPH] lock\n");
1102 static int cephwrap_kernel_flock(struct vfs_handle_struct *handle, files_struct *fsp,
1103 uint32_t share_mode, uint32_t access_mask)
1105 DBG_ERR("[CEPH] flock unsupported! Consider setting "
1106 "\"kernel share modes = no\"\n");
1112 static bool cephwrap_getlock(struct vfs_handle_struct *handle, files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid)
1114 DBG_DEBUG("[CEPH] getlock returning false and errno=0\n");
1121 * We cannot let this fall through to the default, because the file might only
1122 * be accessible from libceph (which is a user-space client) but the fd might
1123 * be for some file the kernel knows about.
1125 static int cephwrap_linux_setlease(struct vfs_handle_struct *handle, files_struct *fsp,
1130 DBG_DEBUG("[CEPH] linux_setlease\n");
1135 static int cephwrap_symlink(struct vfs_handle_struct *handle,
1136 const char *link_target,
1137 const struct smb_filename *new_smb_fname)
1140 DBG_DEBUG("[CEPH] symlink(%p, %s, %s)\n", handle,
1142 new_smb_fname->base_name);
1143 result = ceph_symlink(handle->data,
1145 new_smb_fname->base_name);
1146 DBG_DEBUG("[CEPH] symlink(...) = %d\n", result);
1147 WRAP_RETURN(result);
1150 static int cephwrap_readlink(struct vfs_handle_struct *handle,
1151 const struct smb_filename *smb_fname,
1156 DBG_DEBUG("[CEPH] readlink(%p, %s, %p, %llu)\n", handle,
1157 smb_fname->base_name, buf, llu(bufsiz));
1158 result = ceph_readlink(handle->data, smb_fname->base_name, buf, bufsiz);
1159 DBG_DEBUG("[CEPH] readlink(...) = %d\n", result);
1160 WRAP_RETURN(result);
1163 static int cephwrap_link(struct vfs_handle_struct *handle,
1164 const struct smb_filename *old_smb_fname,
1165 const struct smb_filename *new_smb_fname)
1168 DBG_DEBUG("[CEPH] link(%p, %s, %s)\n", handle,
1169 old_smb_fname->base_name,
1170 new_smb_fname->base_name);
1171 result = ceph_link(handle->data,
1172 old_smb_fname->base_name,
1173 new_smb_fname->base_name);
1174 DBG_DEBUG("[CEPH] link(...) = %d\n", result);
1175 WRAP_RETURN(result);
1178 static int cephwrap_mknod(struct vfs_handle_struct *handle,
1179 const struct smb_filename *smb_fname,
1184 DBG_DEBUG("[CEPH] mknod(%p, %s)\n", handle, smb_fname->base_name);
1185 result = ceph_mknod(handle->data, smb_fname->base_name, mode, dev);
1186 DBG_DEBUG("[CEPH] mknod(...) = %d\n", result);
1187 WRAP_RETURN(result);
1191 * This is a simple version of real-path ... a better version is needed to
1192 * ask libceph about symbolic links.
1194 static struct smb_filename *cephwrap_realpath(struct vfs_handle_struct *handle,
1196 const struct smb_filename *smb_fname)
1198 char *result = NULL;
1199 const char *path = smb_fname->base_name;
1200 size_t len = strlen(path);
1201 struct smb_filename *result_fname = NULL;
1204 if (len && (path[0] == '/')) {
1205 r = asprintf(&result, "%s", path);
1206 } else if ((len >= 2) && (path[0] == '.') && (path[1] == '/')) {
1208 r = asprintf(&result, "%s",
1209 handle->conn->connectpath);
1211 r = asprintf(&result, "%s/%s",
1212 handle->conn->connectpath, &path[2]);
1215 r = asprintf(&result, "%s/%s",
1216 handle->conn->connectpath, path);
1223 DBG_DEBUG("[CEPH] realpath(%p, %s) = %s\n", handle, path, result);
1224 result_fname = synthetic_smb_fname(ctx,
1230 return result_fname;
1233 static int cephwrap_chflags(struct vfs_handle_struct *handle,
1234 const struct smb_filename *smb_fname,
1241 static int cephwrap_get_real_filename(struct vfs_handle_struct *handle,
1244 TALLOC_CTX *mem_ctx,
1248 * Don't fall back to get_real_filename so callers can differentiate
1249 * between a full directory scan and an actual case-insensitive stat.
1255 static const char *cephwrap_connectpath(struct vfs_handle_struct *handle,
1256 const struct smb_filename *smb_fname)
1258 return handle->conn->connectpath;
1261 /****************************************************************
1262 Extended attribute operations.
1263 *****************************************************************/
1265 static ssize_t cephwrap_getxattr(struct vfs_handle_struct *handle,
1266 const struct smb_filename *smb_fname,
1272 DBG_DEBUG("[CEPH] getxattr(%p, %s, %s, %p, %llu)\n", handle,
1273 smb_fname->base_name, name, value, llu(size));
1274 ret = ceph_getxattr(handle->data,
1275 smb_fname->base_name, name, value, size);
1276 DBG_DEBUG("[CEPH] getxattr(...) = %d\n", ret);
1280 return (ssize_t)ret;
1283 static ssize_t cephwrap_fgetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
1286 DBG_DEBUG("[CEPH] fgetxattr(%p, %p, %s, %p, %llu)\n", handle, fsp, name, value, llu(size));
1287 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1288 ret = ceph_fgetxattr(handle->data, fsp->fh->fd, name, value, size);
1290 ret = ceph_getxattr(handle->data, fsp->fsp_name->base_name, name, value, size);
1292 DBG_DEBUG("[CEPH] fgetxattr(...) = %d\n", ret);
1296 return (ssize_t)ret;
1299 static ssize_t cephwrap_listxattr(struct vfs_handle_struct *handle,
1300 const struct smb_filename *smb_fname,
1305 DBG_DEBUG("[CEPH] listxattr(%p, %s, %p, %llu)\n", handle,
1306 smb_fname->base_name, list, llu(size));
1307 ret = ceph_listxattr(handle->data, smb_fname->base_name, list, size);
1308 DBG_DEBUG("[CEPH] listxattr(...) = %d\n", ret);
1312 return (ssize_t)ret;
1315 static ssize_t cephwrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
1318 DBG_DEBUG("[CEPH] flistxattr(%p, %p, %s, %llu)\n", handle, fsp, list, llu(size));
1319 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1320 ret = ceph_flistxattr(handle->data, fsp->fh->fd, list, size);
1322 ret = ceph_listxattr(handle->data, fsp->fsp_name->base_name, list, size);
1324 DBG_DEBUG("[CEPH] flistxattr(...) = %d\n", ret);
1328 return (ssize_t)ret;
1331 static int cephwrap_removexattr(struct vfs_handle_struct *handle,
1332 const struct smb_filename *smb_fname,
1336 DBG_DEBUG("[CEPH] removexattr(%p, %s, %s)\n", handle,
1337 smb_fname->base_name, name);
1338 ret = ceph_removexattr(handle->data, smb_fname->base_name, name);
1339 DBG_DEBUG("[CEPH] removexattr(...) = %d\n", ret);
1343 static int cephwrap_fremovexattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
1346 DBG_DEBUG("[CEPH] fremovexattr(%p, %p, %s)\n", handle, fsp, name);
1347 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1348 ret = ceph_fremovexattr(handle->data, fsp->fh->fd, name);
1350 ret = ceph_removexattr(handle->data, fsp->fsp_name->base_name, name);
1352 DBG_DEBUG("[CEPH] fremovexattr(...) = %d\n", ret);
1356 static int cephwrap_setxattr(struct vfs_handle_struct *handle,
1357 const struct smb_filename *smb_fname,
1364 DBG_DEBUG("[CEPH] setxattr(%p, %s, %s, %p, %llu, %d)\n", handle,
1365 smb_fname->base_name, name, value, llu(size), flags);
1366 ret = ceph_setxattr(handle->data, smb_fname->base_name,
1367 name, value, size, flags);
1368 DBG_DEBUG("[CEPH] setxattr(...) = %d\n", ret);
1372 static int cephwrap_fsetxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
1375 DBG_DEBUG("[CEPH] fsetxattr(%p, %p, %s, %p, %llu, %d)\n", handle, fsp, name, value, llu(size), flags);
1376 #if LIBCEPHFS_VERSION_CODE >= LIBCEPHFS_VERSION(0, 94, 0)
1377 ret = ceph_fsetxattr(handle->data, fsp->fh->fd,
1378 name, value, size, flags);
1380 ret = ceph_setxattr(handle->data, fsp->fsp_name->base_name, name, value, size, flags);
1382 DBG_DEBUG("[CEPH] fsetxattr(...) = %d\n", ret);
1386 static bool cephwrap_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
1390 * We do not support AIO yet.
1393 DBG_DEBUG("[CEPH] cephwrap_aio_force(%p, %p) = false (errno = ENOTSUP)\n", handle, fsp);
1398 static struct vfs_fn_pointers ceph_fns = {
1399 /* Disk operations */
1401 .connect_fn = cephwrap_connect,
1402 .disconnect_fn = cephwrap_disconnect,
1403 .disk_free_fn = cephwrap_disk_free,
1404 .get_quota_fn = cephwrap_get_quota,
1405 .set_quota_fn = cephwrap_set_quota,
1406 .statvfs_fn = cephwrap_statvfs,
1407 .fs_capabilities_fn = cephwrap_fs_capabilities,
1409 /* Directory operations */
1411 .opendir_fn = cephwrap_opendir,
1412 .fdopendir_fn = cephwrap_fdopendir,
1413 .readdir_fn = cephwrap_readdir,
1414 .seekdir_fn = cephwrap_seekdir,
1415 .telldir_fn = cephwrap_telldir,
1416 .rewind_dir_fn = cephwrap_rewinddir,
1417 .mkdir_fn = cephwrap_mkdir,
1418 .rmdir_fn = cephwrap_rmdir,
1419 .closedir_fn = cephwrap_closedir,
1421 /* File operations */
1423 .open_fn = cephwrap_open,
1424 .close_fn = cephwrap_close,
1425 .pread_fn = cephwrap_pread,
1426 .pread_send_fn = cephwrap_pread_send,
1427 .pread_recv_fn = cephwrap_pread_recv,
1428 .pwrite_fn = cephwrap_pwrite,
1429 .pwrite_send_fn = cephwrap_pwrite_send,
1430 .pwrite_recv_fn = cephwrap_pwrite_recv,
1431 .lseek_fn = cephwrap_lseek,
1432 .sendfile_fn = cephwrap_sendfile,
1433 .recvfile_fn = cephwrap_recvfile,
1434 .rename_fn = cephwrap_rename,
1435 .fsync_send_fn = cephwrap_fsync_send,
1436 .fsync_recv_fn = cephwrap_fsync_recv,
1437 .stat_fn = cephwrap_stat,
1438 .fstat_fn = cephwrap_fstat,
1439 .lstat_fn = cephwrap_lstat,
1440 .unlink_fn = cephwrap_unlink,
1441 .chmod_fn = cephwrap_chmod,
1442 .fchmod_fn = cephwrap_fchmod,
1443 .chown_fn = cephwrap_chown,
1444 .fchown_fn = cephwrap_fchown,
1445 .lchown_fn = cephwrap_lchown,
1446 .chdir_fn = cephwrap_chdir,
1447 .getwd_fn = cephwrap_getwd,
1448 .ntimes_fn = cephwrap_ntimes,
1449 .ftruncate_fn = cephwrap_ftruncate,
1450 .fallocate_fn = cephwrap_fallocate,
1451 .lock_fn = cephwrap_lock,
1452 .kernel_flock_fn = cephwrap_kernel_flock,
1453 .linux_setlease_fn = cephwrap_linux_setlease,
1454 .getlock_fn = cephwrap_getlock,
1455 .symlink_fn = cephwrap_symlink,
1456 .readlink_fn = cephwrap_readlink,
1457 .link_fn = cephwrap_link,
1458 .mknod_fn = cephwrap_mknod,
1459 .realpath_fn = cephwrap_realpath,
1460 .chflags_fn = cephwrap_chflags,
1461 .get_real_filename_fn = cephwrap_get_real_filename,
1462 .connectpath_fn = cephwrap_connectpath,
1464 /* EA operations. */
1465 .getxattr_fn = cephwrap_getxattr,
1466 .getxattrat_send_fn = vfs_not_implemented_getxattrat_send,
1467 .getxattrat_recv_fn = vfs_not_implemented_getxattrat_recv,
1468 .fgetxattr_fn = cephwrap_fgetxattr,
1469 .listxattr_fn = cephwrap_listxattr,
1470 .flistxattr_fn = cephwrap_flistxattr,
1471 .removexattr_fn = cephwrap_removexattr,
1472 .fremovexattr_fn = cephwrap_fremovexattr,
1473 .setxattr_fn = cephwrap_setxattr,
1474 .fsetxattr_fn = cephwrap_fsetxattr,
1476 /* Posix ACL Operations */
1477 .sys_acl_get_file_fn = posixacl_xattr_acl_get_file,
1478 .sys_acl_get_fd_fn = posixacl_xattr_acl_get_fd,
1479 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
1480 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
1481 .sys_acl_set_file_fn = posixacl_xattr_acl_set_file,
1482 .sys_acl_set_fd_fn = posixacl_xattr_acl_set_fd,
1483 .sys_acl_delete_def_file_fn = posixacl_xattr_acl_delete_def_file,
1485 /* aio operations */
1486 .aio_force_fn = cephwrap_aio_force,
1490 NTSTATUS vfs_ceph_init(TALLOC_CTX *ctx)
1492 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,