2 Unix SMB/CIFS implementation.
4 Wrap GlusterFS GFAPI calls in vfs functions.
6 Copyright (c) 2013 Anand Avati <avati@redhat.com>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "smbd/smbd.h"
26 #include "lib/util/dlinklist.h"
28 #define DEFAULT_VOLFILE_SERVER "localhost"
35 - sendfile/recvfile support
38 /* Helpers to provide 'integer' fds */
40 /* This is global. gfapi's FD operations do not
41 require filesystem context.
44 static glfs_fd_t **glfd_fd;
45 static int glfd_fd_size;
46 static int glfd_fd_used;
48 static int glfd_fd_store(glfs_fd_t *glfd)
53 if (glfd_fd_size == glfd_fd_used) {
54 if (glfd_fd_size >= INT_MAX - 1) {
59 tmp = talloc_realloc(glfd_fd, glfd_fd, glfs_fd_t *,
67 glfd_fd[glfd_fd_size] = 0;
71 for (i = 0; i < glfd_fd_size; i++) {
72 if (glfd_fd[i] == NULL) {
81 static glfs_fd_t *glfd_fd_get(int i)
83 if (i < 0 || i >= glfd_fd_size) {
89 static glfs_fd_t *glfd_fd_clear(int i)
91 glfs_fd_t *glfd = NULL;
93 if (i < 0 || i >= glfd_fd_size) {
104 /* Helper to convert stat to stat_ex */
106 static void smb_stat_ex_from_stat(struct stat_ex *dst, const struct stat *src)
110 dst->st_ex_dev = src->st_dev;
111 dst->st_ex_ino = src->st_ino;
112 dst->st_ex_mode = src->st_mode;
113 dst->st_ex_nlink = src->st_nlink;
114 dst->st_ex_uid = src->st_uid;
115 dst->st_ex_gid = src->st_gid;
116 dst->st_ex_rdev = src->st_rdev;
117 dst->st_ex_size = src->st_size;
118 dst->st_ex_atime.tv_sec = src->st_atime;
119 #ifdef STAT_HAVE_NSEC
120 dst->st_ex_atime.tv_nsec = src->st_atime_nsec;
122 dst->st_ex_mtime.tv_sec = src->st_mtime;
123 #ifdef STAT_HAVE_NSEC
124 dst->st_ex_mtime.tv_nsec = src->st_mtime_nsec;
126 dst->st_ex_ctime.tv_sec = src->st_ctime;
127 #ifdef STAT_HAVE_NSEC
128 dst->st_ex_ctime.tv_nsec = src->st_ctime_nsec;
130 dst->st_ex_btime.tv_sec = src->st_mtime;
131 #ifdef STAT_HAVE_NSEC
132 dst->st_ex_btime.tv_nsec = src->st_mtime_nsec;
134 dst->st_ex_blksize = src->st_blksize;
135 dst->st_ex_blocks = src->st_blocks;
138 /* pre-opened glfs_t */
140 static struct glfs_preopened {
144 struct glfs_preopened *next, *prev;
148 int glfs_set_preopened(const char *volume, glfs_t *fs)
150 struct glfs_preopened *entry = NULL;
152 entry = talloc_zero(NULL, struct glfs_preopened);
158 entry->volume = talloc_strdup(entry, volume);
159 if (!entry->volume) {
168 DLIST_ADD(glfs_preopened, entry);
173 static glfs_t *glfs_find_preopened(const char *volume)
175 struct glfs_preopened *entry = NULL;
177 for (entry = glfs_preopened; entry; entry = entry->next) {
178 if (strcmp(entry->volume, volume) == 0) {
187 static void glfs_clear_preopened(glfs_t *fs)
189 struct glfs_preopened *entry = NULL;
191 for (entry = glfs_preopened; entry; entry = entry->next) {
192 if (entry->fs == fs) {
196 DLIST_REMOVE(glfs_preopened, entry);
198 glfs_fini(entry->fs);
204 /* Disk Operations */
206 static int vfs_gluster_connect(struct vfs_handle_struct *handle,
210 const char *volfile_server;
217 logfile = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
220 loglevel = lp_parm_int(SNUM(handle->conn), "glusterfs", "loglevel", -1);
222 volfile_server = lp_parm_const_string(SNUM(handle->conn), "glusterfs",
223 "volfile_server", NULL);
224 if (volfile_server == NULL) {
225 volfile_server = DEFAULT_VOLFILE_SERVER;
228 volume = lp_parm_const_string(SNUM(handle->conn), "glusterfs", "volume",
230 if (volume == NULL) {
234 fs = glfs_find_preopened(volume);
239 fs = glfs_new(volume);
244 ret = glfs_set_volfile_server(fs, "tcp", volfile_server, 0);
246 DEBUG(0, ("Failed to set volfile_server %s\n", volfile_server));
251 ret = glfs_set_xlator_option(fs, "*-md-cache", "cache-posix-acl",
254 DEBUG(0, ("%s: Failed to set xlator options\n", volume));
259 ret = glfs_set_logging(fs, logfile, loglevel);
261 DEBUG(0, ("%s: Failed to set logfile %s loglevel %d\n",
262 volume, logfile, loglevel));
269 DEBUG(0, ("%s: Failed to initialize volume (%s)\n",
270 volume, strerror(errno)));
275 ret = glfs_set_preopened(volume, fs);
277 DEBUG(0, ("%s: Failed to register volume (%s)\n",
278 volume, strerror(errno)));
283 DEBUG(0, ("%s: Initialized volume from server %s\n",
284 volume, volfile_server));
289 static void vfs_gluster_disconnect(struct vfs_handle_struct *handle)
295 glfs_clear_preopened(fs);
298 static uint64_t vfs_gluster_disk_free(struct vfs_handle_struct *handle,
299 const char *path, bool small_query,
300 uint64_t *bsize_p, uint64_t *dfree_p,
303 struct statvfs statvfs = { 0, };
307 ret = glfs_statvfs(handle->data, path, &statvfs);
312 dfree = statvfs.f_bsize * statvfs.f_bavail;
314 if (bsize_p != NULL) {
315 *bsize_p = statvfs.f_bsize;
317 if (dfree_p != NULL) {
320 if (dsize_p != NULL) {
321 *dsize_p = statvfs.f_bsize * statvfs.f_blocks;
327 static int vfs_gluster_get_quota(struct vfs_handle_struct *handle,
328 enum SMB_QUOTA_TYPE qtype, unid_t id,
336 vfs_gluster_set_quota(struct vfs_handle_struct *handle,
337 enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt)
343 static int vfs_gluster_statvfs(struct vfs_handle_struct *handle,
345 struct vfs_statvfs_struct *vfs_statvfs)
347 struct statvfs statvfs = { 0, };
350 ret = glfs_statvfs(handle->data, path, &statvfs);
352 DEBUG(0, ("glfs_statvfs(%s) failed: %s\n",
353 path, strerror(errno)));
357 ZERO_STRUCTP(vfs_statvfs);
359 vfs_statvfs->OptimalTransferSize = statvfs.f_frsize;
360 vfs_statvfs->BlockSize = statvfs.f_bsize;
361 vfs_statvfs->TotalBlocks = statvfs.f_blocks;
362 vfs_statvfs->BlocksAvail = statvfs.f_bfree;
363 vfs_statvfs->UserBlocksAvail = statvfs.f_bavail;
364 vfs_statvfs->TotalFileNodes = statvfs.f_files;
365 vfs_statvfs->FreeFileNodes = statvfs.f_ffree;
366 vfs_statvfs->FsIdentifier = statvfs.f_fsid;
367 vfs_statvfs->FsCapabilities =
368 FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
373 static uint32_t vfs_gluster_fs_capabilities(struct vfs_handle_struct *handle,
374 enum timestamp_set_resolution *p_ts_res)
376 uint32_t caps = FILE_CASE_SENSITIVE_SEARCH | FILE_CASE_PRESERVED_NAMES;
378 #ifdef STAT_HAVE_NSEC
379 *p_ts_res = TIMESTAMP_SET_NT_OR_BETTER;
385 static DIR *vfs_gluster_opendir(struct vfs_handle_struct *handle,
386 const char *path, const char *mask,
391 fd = glfs_opendir(handle->data, path);
393 DEBUG(0, ("glfs_opendir(%s) failed: %s\n",
394 path, strerror(errno)));
400 static DIR *vfs_gluster_fdopendir(struct vfs_handle_struct *handle,
401 files_struct *fsp, const char *mask,
404 return (DIR *) glfd_fd_get(fsp->fh->fd);
407 static int vfs_gluster_closedir(struct vfs_handle_struct *handle, DIR *dirp)
409 return glfs_closedir((void *)dirp);
412 static struct dirent *vfs_gluster_readdir(struct vfs_handle_struct *handle,
413 DIR *dirp, SMB_STRUCT_STAT *sbuf)
415 static char direntbuf[512];
418 struct dirent *dirent = 0;
421 ret = glfs_readdirplus_r((void *)dirp, &stat, (void *)direntbuf,
424 ret = glfs_readdir_r((void *)dirp, (void *)direntbuf, &dirent);
427 if ((ret < 0) || (dirent == NULL)) {
432 smb_stat_ex_from_stat(sbuf, &stat);
438 static long vfs_gluster_telldir(struct vfs_handle_struct *handle, DIR *dirp)
440 return glfs_telldir((void *)dirp);
443 static void vfs_gluster_seekdir(struct vfs_handle_struct *handle, DIR *dirp,
446 glfs_seekdir((void *)dirp, offset);
449 static void vfs_gluster_rewinddir(struct vfs_handle_struct *handle, DIR *dirp)
451 glfs_seekdir((void *)dirp, 0);
454 static void vfs_gluster_init_search_op(struct vfs_handle_struct *handle,
460 static int vfs_gluster_mkdir(struct vfs_handle_struct *handle, const char *path,
463 return glfs_mkdir(handle->data, path, mode);
466 static int vfs_gluster_rmdir(struct vfs_handle_struct *handle, const char *path)
468 return glfs_rmdir(handle->data, path);
471 static int vfs_gluster_open(struct vfs_handle_struct *handle,
472 struct smb_filename *smb_fname, files_struct *fsp,
473 int flags, mode_t mode)
477 if (flags & O_DIRECTORY) {
478 glfd = glfs_opendir(handle->data, smb_fname->base_name);
479 } else if (flags & O_CREAT) {
480 glfd = glfs_creat(handle->data, smb_fname->base_name, flags,
483 glfd = glfs_open(handle->data, smb_fname->base_name, flags);
487 DEBUG(0, ("glfs_{open[dir],creat}(%s) failed: %s\n",
488 smb_fname->base_name, strerror(errno)));
492 return glfd_fd_store(glfd);
495 static int vfs_gluster_close(struct vfs_handle_struct *handle,
498 return glfs_close(glfd_fd_clear(fsp->fh->fd));
501 static ssize_t vfs_gluster_read(struct vfs_handle_struct *handle,
502 files_struct *fsp, void *data, size_t n)
504 return glfs_read(glfd_fd_get(fsp->fh->fd), data, n, 0);
507 static ssize_t vfs_gluster_pread(struct vfs_handle_struct *handle,
508 files_struct *fsp, void *data, size_t n,
511 return glfs_pread(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
514 static struct tevent_req *vfs_gluster_pread_send(struct vfs_handle_struct
515 *handle, TALLOC_CTX *mem_ctx,
516 struct tevent_context *ev,
517 files_struct *fsp, void *data,
518 size_t n, off_t offset)
524 static ssize_t vfs_gluster_pread_recv(struct tevent_req *req, int *err)
530 static ssize_t vfs_gluster_write(struct vfs_handle_struct *handle,
531 files_struct *fsp, const void *data, size_t n)
533 return glfs_write(glfd_fd_get(fsp->fh->fd), data, n, 0);
536 static ssize_t vfs_gluster_pwrite(struct vfs_handle_struct *handle,
537 files_struct *fsp, const void *data,
538 size_t n, off_t offset)
540 return glfs_pwrite(glfd_fd_get(fsp->fh->fd), data, n, offset, 0);
543 static struct tevent_req *vfs_gluster_pwrite_send(struct vfs_handle_struct
544 *handle, TALLOC_CTX *mem_ctx,
545 struct tevent_context *ev,
547 const void *data, size_t n,
554 static ssize_t vfs_gluster_pwrite_recv(struct tevent_req *req, int *err)
560 static off_t vfs_gluster_lseek(struct vfs_handle_struct *handle,
561 files_struct *fsp, off_t offset, int whence)
563 return glfs_lseek(glfd_fd_get(fsp->fh->fd), offset, whence);
566 static ssize_t vfs_gluster_sendfile(struct vfs_handle_struct *handle, int tofd,
567 files_struct *fromfsp,
568 const DATA_BLOB *hdr,
569 off_t offset, size_t n)
575 static ssize_t vfs_gluster_recvfile(struct vfs_handle_struct *handle,
576 int fromfd, files_struct *tofsp,
577 off_t offset, size_t n)
583 static int vfs_gluster_rename(struct vfs_handle_struct *handle,
584 const struct smb_filename *smb_fname_src,
585 const struct smb_filename *smb_fname_dst)
587 return glfs_rename(handle->data, smb_fname_src->base_name,
588 smb_fname_dst->base_name);
591 static int vfs_gluster_fsync(struct vfs_handle_struct *handle,
594 return glfs_fsync(glfd_fd_get(fsp->fh->fd));
597 static struct tevent_req *vfs_gluster_fsync_send(struct vfs_handle_struct
598 *handle, TALLOC_CTX *mem_ctx,
599 struct tevent_context *ev,
606 static int vfs_gluster_fsync_recv(struct tevent_req *req, int *err)
612 static int vfs_gluster_stat(struct vfs_handle_struct *handle,
613 struct smb_filename *smb_fname)
618 ret = glfs_stat(handle->data, smb_fname->base_name, &st);
620 smb_stat_ex_from_stat(&smb_fname->st, &st);
622 if (ret < 0 && errno != ENOENT) {
623 DEBUG(0, ("glfs_stat(%s) failed: %s\n",
624 smb_fname->base_name, strerror(errno)));
629 static int vfs_gluster_fstat(struct vfs_handle_struct *handle,
630 files_struct *fsp, SMB_STRUCT_STAT *sbuf)
635 ret = glfs_fstat(glfd_fd_get(fsp->fh->fd), &st);
637 smb_stat_ex_from_stat(sbuf, &st);
640 DEBUG(0, ("glfs_fstat(%d) failed: %s\n",
641 fsp->fh->fd, strerror(errno)));
646 static int vfs_gluster_lstat(struct vfs_handle_struct *handle,
647 struct smb_filename *smb_fname)
652 ret = glfs_lstat(handle->data, smb_fname->base_name, &st);
654 smb_stat_ex_from_stat(&smb_fname->st, &st);
656 if (ret < 0 && errno != ENOENT) {
657 DEBUG(0, ("glfs_lstat(%s) failed: %s\n",
658 smb_fname->base_name, strerror(errno)));
663 static uint64_t vfs_gluster_get_alloc_size(struct vfs_handle_struct *handle,
665 const SMB_STRUCT_STAT *sbuf)
667 return sbuf->st_ex_blocks * 512;
670 static int vfs_gluster_unlink(struct vfs_handle_struct *handle,
671 const struct smb_filename *smb_fname)
673 return glfs_unlink(handle->data, smb_fname->base_name);
676 static int vfs_gluster_chmod(struct vfs_handle_struct *handle,
677 const char *path, mode_t mode)
679 return glfs_chmod(handle->data, path, mode);
682 static int vfs_gluster_fchmod(struct vfs_handle_struct *handle,
683 files_struct *fsp, mode_t mode)
685 return glfs_fchmod(glfd_fd_get(fsp->fh->fd), mode);
688 static int vfs_gluster_chown(struct vfs_handle_struct *handle,
689 const char *path, uid_t uid, gid_t gid)
691 return glfs_chown(handle->data, path, uid, gid);
694 static int vfs_gluster_fchown(struct vfs_handle_struct *handle,
695 files_struct *fsp, uid_t uid, gid_t gid)
697 return glfs_fchown(glfd_fd_get(fsp->fh->fd), uid, gid);
700 static int vfs_gluster_lchown(struct vfs_handle_struct *handle,
701 const char *path, uid_t uid, gid_t gid)
703 return glfs_lchown(handle->data, path, uid, gid);
706 static int vfs_gluster_chdir(struct vfs_handle_struct *handle, const char *path)
708 return glfs_chdir(handle->data, path);
711 static char *vfs_gluster_getwd(struct vfs_handle_struct *handle)
716 cwd = calloc(1, PATH_MAX + 1);
721 ret = glfs_getcwd(handle->data, cwd, PATH_MAX);
728 static int vfs_gluster_ntimes(struct vfs_handle_struct *handle,
729 const struct smb_filename *smb_fname,
730 struct smb_file_time *ft)
732 struct timespec times[2];
734 times[0].tv_sec = ft->atime.tv_sec;
735 times[0].tv_nsec = ft->atime.tv_nsec;
736 times[1].tv_sec = ft->mtime.tv_sec;
737 times[1].tv_nsec = ft->mtime.tv_nsec;
739 return glfs_utimens(handle->data, smb_fname->base_name, times);
742 static int vfs_gluster_ftruncate(struct vfs_handle_struct *handle,
743 files_struct *fsp, off_t offset)
745 return glfs_ftruncate(glfd_fd_get(fsp->fh->fd), offset);
748 static int vfs_gluster_fallocate(struct vfs_handle_struct *handle,
749 struct files_struct *fsp,
750 enum vfs_fallocate_mode mode,
751 off_t offset, off_t len)
757 static char *vfs_gluster_realpath(struct vfs_handle_struct *handle,
760 return glfs_realpath(handle->data, path, 0);
763 static bool vfs_gluster_lock(struct vfs_handle_struct *handle,
764 files_struct *fsp, int op, off_t offset,
765 off_t count, int type)
767 struct flock flock = { 0, };
771 flock.l_whence = SEEK_SET;
772 flock.l_start = offset;
776 ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), op, &flock);
779 /* lock query, true if someone else has locked */
781 (flock.l_type != F_UNLCK) &&
782 (flock.l_pid != 0) && (flock.l_pid != getpid()))
795 static int vfs_gluster_kernel_flock(struct vfs_handle_struct *handle,
796 files_struct *fsp, uint32 share_mode,
797 uint32_t access_mask)
803 static int vfs_gluster_linux_setlease(struct vfs_handle_struct *handle,
804 files_struct *fsp, int leasetype)
810 static bool vfs_gluster_getlock(struct vfs_handle_struct *handle,
811 files_struct *fsp, off_t *poffset,
812 off_t *pcount, int *ptype, pid_t *ppid)
814 struct flock flock = { 0, };
817 flock.l_type = *ptype;
818 flock.l_whence = SEEK_SET;
819 flock.l_start = *poffset;
820 flock.l_len = *pcount;
823 ret = glfs_posix_lock(glfd_fd_get(fsp->fh->fd), F_GETLK, &flock);
829 *ptype = flock.l_type;
830 *poffset = flock.l_start;
831 *pcount = flock.l_len;
837 static int vfs_gluster_symlink(struct vfs_handle_struct *handle,
838 const char *oldpath, const char *newpath)
840 return glfs_symlink(handle->data, oldpath, newpath);
843 static int vfs_gluster_readlink(struct vfs_handle_struct *handle,
844 const char *path, char *buf, size_t bufsiz)
846 return glfs_readlink(handle->data, path, buf, bufsiz);
849 static int vfs_gluster_link(struct vfs_handle_struct *handle,
850 const char *oldpath, const char *newpath)
852 return glfs_link(handle->data, oldpath, newpath);
855 static int vfs_gluster_mknod(struct vfs_handle_struct *handle, const char *path,
856 mode_t mode, SMB_DEV_T dev)
858 return glfs_mknod(handle->data, path, mode, dev);
861 static NTSTATUS vfs_gluster_notify_watch(struct vfs_handle_struct *handle,
862 struct sys_notify_context *ctx,
863 const char *path, uint32_t *filter,
864 uint32_t *subdir_filter,
865 void (*callback) (struct sys_notify_context *ctx,
867 struct notify_event *ev),
868 void *private_data, void *handle_p)
870 return NT_STATUS_NOT_IMPLEMENTED;
873 static int vfs_gluster_chflags(struct vfs_handle_struct *handle,
874 const char *path, unsigned int flags)
880 static int vfs_gluster_get_real_filename(struct vfs_handle_struct *handle,
881 const char *path, const char *name,
882 TALLOC_CTX *mem_ctx, char **found_name)
885 char key_buf[NAME_MAX + 64];
886 char val_buf[NAME_MAX + 1];
888 if (strlen(name) >= NAME_MAX) {
889 errno = ENAMETOOLONG;
893 snprintf(key_buf, NAME_MAX + 64,
894 "user.glusterfs.get_real_filename:%s", name);
896 ret = glfs_getxattr(handle->data, path, key_buf, val_buf, NAME_MAX + 1);
897 if (ret == -1 && errno == ENODATA) {
902 *found_name = talloc_strdup(mem_ctx, val_buf);
903 if (found_name[0] == NULL) {
910 static const char *vfs_gluster_connectpath(struct vfs_handle_struct *handle,
911 const char *filename)
913 return handle->conn->connectpath;
918 static ssize_t vfs_gluster_getxattr(struct vfs_handle_struct *handle,
919 const char *path, const char *name,
920 void *value, size_t size)
922 return glfs_getxattr(handle->data, path, name, value, size);
925 static ssize_t vfs_gluster_fgetxattr(struct vfs_handle_struct *handle,
926 files_struct *fsp, const char *name,
927 void *value, size_t size)
929 return glfs_fgetxattr(glfd_fd_get(fsp->fh->fd), name, value, size);
932 static ssize_t vfs_gluster_listxattr(struct vfs_handle_struct *handle,
933 const char *path, char *list, size_t size)
935 return glfs_listxattr(handle->data, path, list, size);
938 static ssize_t vfs_gluster_flistxattr(struct vfs_handle_struct *handle,
939 files_struct *fsp, char *list,
942 return glfs_flistxattr(glfd_fd_get(fsp->fh->fd), list, size);
945 static int vfs_gluster_removexattr(struct vfs_handle_struct *handle,
946 const char *path, const char *name)
948 return glfs_removexattr(handle->data, path, name);
951 static int vfs_gluster_fremovexattr(struct vfs_handle_struct *handle,
952 files_struct *fsp, const char *name)
954 return glfs_fremovexattr(glfd_fd_get(fsp->fh->fd), name);
957 static int vfs_gluster_setxattr(struct vfs_handle_struct *handle,
958 const char *path, const char *name,
959 const void *value, size_t size, int flags)
961 return glfs_setxattr(handle->data, path, name, value, size, flags);
964 static int vfs_gluster_fsetxattr(struct vfs_handle_struct *handle,
965 files_struct *fsp, const char *name,
966 const void *value, size_t size, int flags)
968 return glfs_fsetxattr(glfd_fd_get(fsp->fh->fd), name, value, size,
974 static bool vfs_gluster_aio_force(struct vfs_handle_struct *handle,
980 /* Offline Operations */
982 static bool vfs_gluster_is_offline(struct vfs_handle_struct *handle,
983 const struct smb_filename *fname,
984 SMB_STRUCT_STAT *sbuf)
989 static int vfs_gluster_set_offline(struct vfs_handle_struct *handle,
990 const struct smb_filename *fname)
996 /* Posix ACL Operations */
998 #define GLUSTER_ACL_VERSION 2
999 #define GLUSTER_ACL_READ 0x04
1000 #define GLUSTER_ACL_WRITE 0x02
1001 #define GLUSTER_ACL_EXECUTE 0x01
1003 #define GLUSTER_ACL_UNDEFINED_TAG 0x00
1004 #define GLUSTER_ACL_USER_OBJ 0x01
1005 #define GLUSTER_ACL_USER 0x02
1006 #define GLUSTER_ACL_GROUP_OBJ 0x04
1007 #define GLUSTER_ACL_GROUP 0x08
1008 #define GLUSTER_ACL_MASK 0x10
1009 #define GLUSTER_ACL_OTHER 0x20
1011 #define GLUSTER_ACL_UNDEFINED_ID (-1)
1013 struct gluster_ace {
1019 struct gluster_acl_header {
1021 struct gluster_ace entries[];
1024 static SMB_ACL_T gluster_to_smb_acl(const char *buf, size_t xattr_size,
1025 TALLOC_CTX *mem_ctx)
1029 struct gluster_ace *ace;
1030 struct smb_acl_entry *smb_ace;
1031 struct gluster_acl_header *hdr;
1032 struct smb_acl_t *result;
1040 if (size < sizeof(*hdr)) {
1041 /* ACL should be at least as big as the header */
1046 size -= sizeof(*hdr);
1048 if (size % sizeof(*ace)) {
1049 /* Size of entries must strictly be a multiple of
1056 count = size / sizeof(*ace);
1060 if (ntohl(hdr->version) != GLUSTER_ACL_VERSION) {
1061 DEBUG(0, ("Unknown gluster ACL version: %d\n",
1062 ntohl(hdr->version)));
1066 result = sys_acl_init(mem_ctx);
1072 result->acl = talloc_array(result, struct smb_acl_entry, count);
1075 talloc_free(result);
1079 result->count = count;
1081 smb_ace = result->acl;
1084 for (i = 0; i < count; i++) {
1085 tag = ntohs(ace->tag);
1088 case GLUSTER_ACL_USER:
1089 smb_ace->a_type = SMB_ACL_USER;
1091 case GLUSTER_ACL_USER_OBJ:
1092 smb_ace->a_type = SMB_ACL_USER_OBJ;
1094 case GLUSTER_ACL_GROUP:
1095 smb_ace->a_type = SMB_ACL_GROUP;
1097 case GLUSTER_ACL_GROUP_OBJ:
1098 smb_ace->a_type = SMB_ACL_GROUP_OBJ;
1100 case GLUSTER_ACL_OTHER:
1101 smb_ace->a_type = SMB_ACL_OTHER;
1103 case GLUSTER_ACL_MASK:
1104 smb_ace->a_type = SMB_ACL_MASK;
1107 DEBUG(0, ("unknown tag type %d\n", (unsigned int) tag));
1111 id = ntohl(ace->id);
1113 switch(smb_ace->a_type) {
1115 smb_ace->info.user.uid = id;
1118 smb_ace->info.group.gid = id;
1124 perm = ntohs(ace->perm);
1126 smb_ace->a_perm = 0;
1128 ((perm & GLUSTER_ACL_READ) ? SMB_ACL_READ : 0);
1130 ((perm & GLUSTER_ACL_WRITE) ? SMB_ACL_WRITE : 0);
1132 ((perm & GLUSTER_ACL_EXECUTE) ? SMB_ACL_EXECUTE : 0);
1142 static ssize_t smb_to_gluster_acl(SMB_ACL_T theacl, char *buf, size_t len)
1145 struct gluster_ace *ace;
1146 struct smb_acl_entry *smb_ace;
1147 struct gluster_acl_header *hdr;
1154 count = theacl->count;
1156 size = sizeof(*hdr) + (count * sizeof(*ace));
1168 smb_ace = theacl->acl;
1170 hdr->version = htonl(GLUSTER_ACL_VERSION);
1172 for (i = 0; i < count; i++) {
1173 switch(smb_ace->a_type) {
1175 tag = GLUSTER_ACL_USER;
1177 case SMB_ACL_USER_OBJ:
1178 tag = GLUSTER_ACL_USER_OBJ;
1181 tag = GLUSTER_ACL_GROUP;
1183 case SMB_ACL_GROUP_OBJ:
1184 tag = GLUSTER_ACL_GROUP_OBJ;
1187 tag = GLUSTER_ACL_OTHER;
1190 tag = GLUSTER_ACL_MASK;
1193 DEBUG(0, ("Unknown tag value %d\n",
1199 ace->tag = ntohs(tag);
1201 switch(smb_ace->a_type) {
1203 id = smb_ace->info.user.uid;
1206 id = smb_ace->info.group.gid;
1209 id = GLUSTER_ACL_UNDEFINED_ID;
1213 ace->id = ntohl(id);
1217 ((smb_ace->a_perm & SMB_ACL_READ) ? GLUSTER_ACL_READ : 0);
1219 ((smb_ace->a_perm & SMB_ACL_WRITE) ? GLUSTER_ACL_WRITE : 0);
1221 ((smb_ace->a_perm & SMB_ACL_EXECUTE) ? GLUSTER_ACL_EXECUTE : 0);
1231 static SMB_ACL_T vfs_gluster_sys_acl_get_file(struct vfs_handle_struct *handle,
1233 SMB_ACL_TYPE_T type,
1234 TALLOC_CTX *mem_ctx)
1236 struct smb_acl_t *result;
1242 case SMB_ACL_TYPE_ACCESS:
1243 key = "system.posix_acl_access";
1245 case SMB_ACL_TYPE_DEFAULT:
1246 key = "system.posix_acl_default";
1253 ret = glfs_getxattr(handle->data, path_p, key, 0, 0);
1259 ret = glfs_getxattr(handle->data, path_p, key, buf, ret);
1264 result = gluster_to_smb_acl(buf, ret, mem_ctx);
1269 static SMB_ACL_T vfs_gluster_sys_acl_get_fd(struct vfs_handle_struct *handle,
1270 struct files_struct *fsp,
1271 TALLOC_CTX *mem_ctx)
1273 struct smb_acl_t *result;
1277 ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
1278 "system.posix_acl_access", 0, 0);
1284 ret = glfs_fgetxattr(glfd_fd_get(fsp->fh->fd),
1285 "system.posix_acl_access", buf, ret);
1290 result = gluster_to_smb_acl(buf, ret, mem_ctx);
1295 static int vfs_gluster_sys_acl_set_file(struct vfs_handle_struct *handle,
1297 SMB_ACL_TYPE_T acltype,
1306 case SMB_ACL_TYPE_ACCESS:
1307 key = "system.posix_acl_access";
1309 case SMB_ACL_TYPE_DEFAULT:
1310 key = "system.posix_acl_default";
1317 size = smb_to_gluster_acl(theacl, 0, 0);
1320 size = smb_to_gluster_acl(theacl, buf, size);
1325 ret = glfs_setxattr(handle->data, name, key, buf, size, 0);
1330 static int vfs_gluster_sys_acl_set_fd(struct vfs_handle_struct *handle,
1331 struct files_struct *fsp,
1339 size = smb_to_gluster_acl(theacl, 0, 0);
1342 size = smb_to_gluster_acl(theacl, buf, size);
1347 ret = glfs_fsetxattr(glfd_fd_get(fsp->fh->fd),
1348 "system.posix_acl_access", buf, size, 0);
1352 static int vfs_gluster_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
1355 return glfs_removexattr(handle->data, path, "system.posix_acl_default");
1358 static struct vfs_fn_pointers glusterfs_fns = {
1360 /* Disk Operations */
1362 .connect_fn = vfs_gluster_connect,
1363 .disconnect_fn = vfs_gluster_disconnect,
1364 .disk_free_fn = vfs_gluster_disk_free,
1365 .get_quota_fn = vfs_gluster_get_quota,
1366 .set_quota_fn = vfs_gluster_set_quota,
1367 .statvfs_fn = vfs_gluster_statvfs,
1368 .fs_capabilities_fn = vfs_gluster_fs_capabilities,
1370 .get_dfs_referrals_fn = NULL,
1372 /* Directory Operations */
1374 .opendir_fn = vfs_gluster_opendir,
1375 .fdopendir_fn = vfs_gluster_fdopendir,
1376 .readdir_fn = vfs_gluster_readdir,
1377 .seekdir_fn = vfs_gluster_seekdir,
1378 .telldir_fn = vfs_gluster_telldir,
1379 .rewind_dir_fn = vfs_gluster_rewinddir,
1380 .mkdir_fn = vfs_gluster_mkdir,
1381 .rmdir_fn = vfs_gluster_rmdir,
1382 .closedir_fn = vfs_gluster_closedir,
1383 .init_search_op_fn = vfs_gluster_init_search_op,
1385 /* File Operations */
1387 .open_fn = vfs_gluster_open,
1388 .create_file_fn = NULL,
1389 .close_fn = vfs_gluster_close,
1390 .read_fn = vfs_gluster_read,
1391 .pread_fn = vfs_gluster_pread,
1392 .pread_send_fn = vfs_gluster_pread_send,
1393 .pread_recv_fn = vfs_gluster_pread_recv,
1394 .write_fn = vfs_gluster_write,
1395 .pwrite_fn = vfs_gluster_pwrite,
1396 .pwrite_send_fn = vfs_gluster_pwrite_send,
1397 .pwrite_recv_fn = vfs_gluster_pwrite_recv,
1398 .lseek_fn = vfs_gluster_lseek,
1399 .sendfile_fn = vfs_gluster_sendfile,
1400 .recvfile_fn = vfs_gluster_recvfile,
1401 .rename_fn = vfs_gluster_rename,
1402 .fsync_fn = vfs_gluster_fsync,
1403 .fsync_send_fn = vfs_gluster_fsync_send,
1404 .fsync_recv_fn = vfs_gluster_fsync_recv,
1406 .stat_fn = vfs_gluster_stat,
1407 .fstat_fn = vfs_gluster_fstat,
1408 .lstat_fn = vfs_gluster_lstat,
1409 .get_alloc_size_fn = vfs_gluster_get_alloc_size,
1410 .unlink_fn = vfs_gluster_unlink,
1412 .chmod_fn = vfs_gluster_chmod,
1413 .fchmod_fn = vfs_gluster_fchmod,
1414 .chown_fn = vfs_gluster_chown,
1415 .fchown_fn = vfs_gluster_fchown,
1416 .lchown_fn = vfs_gluster_lchown,
1417 .chdir_fn = vfs_gluster_chdir,
1418 .getwd_fn = vfs_gluster_getwd,
1419 .ntimes_fn = vfs_gluster_ntimes,
1420 .ftruncate_fn = vfs_gluster_ftruncate,
1421 .fallocate_fn = vfs_gluster_fallocate,
1422 .lock_fn = vfs_gluster_lock,
1423 .kernel_flock_fn = vfs_gluster_kernel_flock,
1424 .linux_setlease_fn = vfs_gluster_linux_setlease,
1425 .getlock_fn = vfs_gluster_getlock,
1426 .symlink_fn = vfs_gluster_symlink,
1427 .readlink_fn = vfs_gluster_readlink,
1428 .link_fn = vfs_gluster_link,
1429 .mknod_fn = vfs_gluster_mknod,
1430 .realpath_fn = vfs_gluster_realpath,
1431 .notify_watch_fn = vfs_gluster_notify_watch,
1432 .chflags_fn = vfs_gluster_chflags,
1433 .file_id_create_fn = NULL,
1434 .copy_chunk_send_fn = NULL,
1435 .copy_chunk_recv_fn = NULL,
1436 .streaminfo_fn = NULL,
1437 .get_real_filename_fn = vfs_gluster_get_real_filename,
1438 .connectpath_fn = vfs_gluster_connectpath,
1440 .brl_lock_windows_fn = NULL,
1441 .brl_unlock_windows_fn = NULL,
1442 .brl_cancel_windows_fn = NULL,
1443 .strict_lock_fn = NULL,
1444 .strict_unlock_fn = NULL,
1445 .translate_name_fn = NULL,
1448 /* NT ACL Operations */
1449 .fget_nt_acl_fn = NULL,
1450 .get_nt_acl_fn = NULL,
1451 .fset_nt_acl_fn = NULL,
1452 .audit_file_fn = NULL,
1454 /* Posix ACL Operations */
1455 .chmod_acl_fn = NULL, /* passthrough to default */
1456 .fchmod_acl_fn = NULL, /* passthrough to default */
1457 .sys_acl_get_file_fn = vfs_gluster_sys_acl_get_file,
1458 .sys_acl_get_fd_fn = vfs_gluster_sys_acl_get_fd,
1459 .sys_acl_blob_get_file_fn = posix_sys_acl_blob_get_file,
1460 .sys_acl_blob_get_fd_fn = posix_sys_acl_blob_get_fd,
1461 .sys_acl_set_file_fn = vfs_gluster_sys_acl_set_file,
1462 .sys_acl_set_fd_fn = vfs_gluster_sys_acl_set_fd,
1463 .sys_acl_delete_def_file_fn = vfs_gluster_sys_acl_delete_def_file,
1466 .getxattr_fn = vfs_gluster_getxattr,
1467 .fgetxattr_fn = vfs_gluster_fgetxattr,
1468 .listxattr_fn = vfs_gluster_listxattr,
1469 .flistxattr_fn = vfs_gluster_flistxattr,
1470 .removexattr_fn = vfs_gluster_removexattr,
1471 .fremovexattr_fn = vfs_gluster_fremovexattr,
1472 .setxattr_fn = vfs_gluster_setxattr,
1473 .fsetxattr_fn = vfs_gluster_fsetxattr,
1475 /* AIO Operations */
1476 .aio_force_fn = vfs_gluster_aio_force,
1478 /* Offline Operations */
1479 .is_offline_fn = vfs_gluster_is_offline,
1480 .set_offline_fn = vfs_gluster_set_offline,
1482 /* Durable handle Operations */
1483 .durable_cookie_fn = NULL,
1484 .durable_disconnect_fn = NULL,
1485 .durable_reconnect_fn = NULL,
1488 NTSTATUS vfs_glusterfs_init(void);
1489 NTSTATUS vfs_glusterfs_init(void)
1491 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION,
1492 "glusterfs", &glusterfs_fns);