2 * Unix SMB/CIFS implementation.
5 * Copyright (C) Tim Prouty, 2008
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "smbd/smbd.h"
24 #include "onefs_config.h"
27 #define DBGC_CLASS DBGC_VFS
29 static int onefs_connect(struct vfs_handle_struct *handle, const char *service,
32 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
38 ret = onefs_load_config(handle->conn);
40 SMB_VFS_NEXT_DISCONNECT(handle);
41 DEBUG(3, ("Load config failed: %s\n", strerror(errno)));
48 static int onefs_mkdir(vfs_handle_struct *handle, const char *path,
51 /* SMB_VFS_MKDIR should never be called in vfs_onefs */
53 return SMB_VFS_NEXT_MKDIR(handle, path, mode);
56 static int onefs_open(vfs_handle_struct *handle,
57 struct smb_filename *smb_fname,
58 files_struct *fsp, int flags, mode_t mode)
60 /* SMB_VFS_OPEN should never be called in vfs_onefs */
62 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
65 static ssize_t onefs_sendfile(vfs_handle_struct *handle, int tofd,
66 files_struct *fromfsp, const DATA_BLOB *header,
67 off_t offset, size_t count)
71 START_PROFILE_BYTES(syscall_sendfile, count);
72 result = onefs_sys_sendfile(handle->conn, tofd, fromfsp->fh->fd,
73 header, offset, count);
74 END_PROFILE(syscall_sendfile);
78 static ssize_t onefs_recvfile(vfs_handle_struct *handle, int fromfd,
79 files_struct *tofsp, off_t offset,
84 START_PROFILE_BYTES(syscall_recvfile, count);
85 result = onefs_sys_recvfile(fromfd, tofsp->fh->fd, offset, count);
86 END_PROFILE(syscall_recvfile);
90 static uint64_t onefs_get_alloc_size(struct vfs_handle_struct *handle,
92 const SMB_STRUCT_STAT *sbuf)
96 START_PROFILE(syscall_get_alloc_size);
98 if(S_ISDIR(sbuf->st_ex_mode)) {
103 /* Just use the file size since st_blocks is unreliable on OneFS. */
104 result = get_file_size_stat(sbuf);
106 if (fsp && fsp->initial_allocation_size)
107 result = MAX(result,fsp->initial_allocation_size);
109 result = smb_roundup(handle->conn, result);
112 END_PROFILE(syscall_get_alloc_size);
116 static struct file_id onefs_file_id_create(struct vfs_handle_struct *handle,
117 const SMB_STRUCT_STAT *sbuf)
121 /* the ZERO_STRUCT ensures padding doesn't break using the key as a
125 key.devid = sbuf->st_ex_dev;
126 key.inode = sbuf->st_ex_ino;
127 key.extid = sbuf->vfs_private;
132 static int onefs_statvfs(vfs_handle_struct *handle, const char *path,
133 vfs_statvfs_struct *statbuf)
135 struct statvfs statvfs_buf;
138 DEBUG(5, ("Calling SMB_STAT_VFS \n"));
139 result = statvfs(path, &statvfs_buf);
140 ZERO_STRUCTP(statbuf);
143 statbuf->OptimalTransferSize = statvfs_buf.f_iosize;
144 statbuf->BlockSize = statvfs_buf.f_bsize;
145 statbuf->TotalBlocks = statvfs_buf.f_blocks;
146 statbuf->BlocksAvail = statvfs_buf.f_bfree;
147 statbuf->UserBlocksAvail = statvfs_buf.f_bavail;
148 statbuf->TotalFileNodes = statvfs_buf.f_files;
149 statbuf->FreeFileNodes = statvfs_buf.f_ffree;
150 statbuf->FsIdentifier =
151 (((uint64_t)statvfs_buf.f_fsid.val[0]<<32) &
152 0xffffffff00000000LL) |
153 (uint64_t)statvfs_buf.f_fsid.val[1];
158 static int onefs_get_real_filename(vfs_handle_struct *handle, const char *path,
159 const char *name, TALLOC_CTX *mem_ctx,
163 struct connection_struct *conn = handle->conn;
164 struct stat_extra se;
166 char *unmangled_name = NULL;
167 char *full_name = NULL;
169 /* First demangle the name if necessary. */
170 if (!conn->case_sensitive && mangle_is_mangled(name, conn->params) &&
171 mangle_lookup_name_from_8_3(mem_ctx, name, &unmangled_name,
173 /* Name is now unmangled. */
174 name = unmangled_name;
177 /* Do the case insensitive stat. */
179 se.se_version = ESTAT_CURRENT_VERSION;
180 se.se_flags = ESTAT_CASE_INSENSITIVE | ESTAT_SYMLINK_NOFOLLOW;
183 if (!(full_name = talloc_asprintf(mem_ctx, "%s/%s", path, name))) {
185 DEBUG(2, ("talloc_asprintf failed\n"));
191 if ((result = estat(full_name ? full_name : name, &sb, &se)) != 0) {
192 DEBUG(2, ("error calling estat: %s\n", strerror(errno)));
196 *found_name = talloc_strdup(mem_ctx, se.se_realname);
197 if (*found_name == NULL) {
204 TALLOC_FREE(full_name);
205 TALLOC_FREE(unmangled_name);
209 static int onefs_ntimes(vfs_handle_struct *handle,
210 const struct smb_filename *smb_fname,
211 struct smb_file_time *ft)
214 struct timespec times[3];
216 if (!null_timespec(ft->atime)) {
218 times[0] = ft->atime;
219 DEBUG(6,("**** onefs_ntimes: actime: %s.%d\n",
220 time_to_asc(convert_timespec_to_time_t(ft->atime)),
224 if (!null_timespec(ft->mtime)) {
226 times[1] = ft->mtime;
227 DEBUG(6,("**** onefs_ntimes: modtime: %s.%d\n",
228 time_to_asc(convert_timespec_to_time_t(ft->mtime)),
232 if (!null_timespec(ft->create_time)) {
234 times[2] = ft->create_time;
235 DEBUG(6,("**** onefs_ntimes: createtime: %s.%d\n",
236 time_to_asc(convert_timespec_to_time_t(ft->create_time)),
237 ft->create_time.tv_nsec));
240 return onefs_vtimes_streams(handle, smb_fname, flags, times);
243 static uint32_t onefs_fs_capabilities(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res)
247 if (!lp_parm_bool(SNUM(handle->conn), PARM_ONEFS_TYPE,
248 PARM_IGNORE_STREAMS, PARM_IGNORE_STREAMS_DEFAULT)) {
249 result |= FILE_NAMED_STREAMS;
252 result |= SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
253 *p_ts_res = TIMESTAMP_SET_MSEC;
257 static struct vfs_fn_pointers onefs_fns = {
258 .connect_fn = onefs_connect,
259 .fs_capabilities_fn = onefs_fs_capabilities,
260 .opendir_fn = onefs_opendir,
261 .readdir_fn = onefs_readdir,
262 .seekdir_fn = onefs_seekdir,
263 .telldir_fn = onefs_telldir,
264 .rewind_dir_fn = onefs_rewinddir,
265 .mkdir_fn = onefs_mkdir,
266 .closedir_fn = onefs_closedir,
267 .init_search_op_fn = onefs_init_search_op,
268 .open_fn = onefs_open,
269 .create_file_fn = onefs_create_file,
270 .close_fn = onefs_close,
271 .sendfile_fn = onefs_sendfile,
272 .recvfile_fn = onefs_recvfile,
273 .rename_fn = onefs_rename,
274 .stat_fn = onefs_stat,
275 .fstat_fn = onefs_fstat,
276 .lstat_fn = onefs_lstat,
277 .get_alloc_size_fn = onefs_get_alloc_size,
278 .unlink_fn = onefs_unlink,
279 .ntimes_fn = onefs_ntimes,
280 .file_id_create_fn = onefs_file_id_create,
281 .streaminfo_fn = onefs_streaminfo,
282 .brl_lock_windows_fn = onefs_brl_lock_windows,
283 .brl_unlock_windows_fn = onefs_brl_unlock_windows,
284 .brl_cancel_windows_fn = onefs_brl_cancel_windows,
285 .strict_lock_fn = onefs_strict_lock,
286 .strict_unlock_fn = onefs_strict_unlock,
287 .notify_watch_fn = onefs_notify_watch,
288 .fget_nt_acl_fn = onefs_fget_nt_acl,
289 .get_nt_acl_fn = onefs_get_nt_acl,
290 .fset_nt_acl_fn = onefs_fset_nt_acl,
291 .statvfs_fn = onefs_statvfs,
292 .get_real_filename_fn = onefs_get_real_filename,
295 NTSTATUS vfs_onefs_init(void)
297 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "onefs",