examples/VFS/skel_transparent.c

   1 /*
   2  * Skeleton VFS module.  Implements passthrough operation of all VFS
   3  * calls to disk functions.
   4  *
   5  * Copyright (C) Tim Potter, 1999-2000
   6  * Copyright (C) Alexander Bokovoy, 2002
   7  * Copyright (C) Stefan (metze) Metzmacher, 2003
   8  *
   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.
  13  *
  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.
  18  *
  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/>.
  21  */
  22
  23
  24 #include "includes.h"
  25
  26 /* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE
  27    SAMBA DEVELOPERS GUIDE!!!!!!
  28  */
  29
  30 /* If you take this file as template for your module
  31  * please make sure that you remove all functions you didn't
  32  * want to implement!!
  33  *
  34  * This passthrough operations are useless in reall vfs modules!
  35  *
  36  * --metze
  37  */
  38
  39 static int skel_connect(vfs_handle_struct *handle,  const char *service, const char *user)
  40 {
  41         return SMB_VFS_NEXT_CONNECT(handle, service, user);
  42 }
  43
  44 static void skel_disconnect(vfs_handle_struct *handle)
  45 {
  46         SMB_VFS_NEXT_DISCONNECT(handle);
  47 }
  48
  49 static uint64_t skel_disk_free(vfs_handle_struct *handle,  const char *path,
  50         bool small_query, uint64_t *bsize,
  51         uint64_t *dfree, uint64_t *dsize)
  52 {
  53         return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query, bsize,
  54                                          dfree, dsize);
  55 }
  56
  57 static int skel_get_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  58 {
  59         return SMB_VFS_NEXT_GET_QUOTA(handle, qtype, id, dq);
  60 }
  61
  62 static int skel_set_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  63 {
  64         return SMB_VFS_NEXT_SET_QUOTA(handle, qtype, id, dq);
  65 }
  66
  67 static int skel_get_shadow_copy_data(vfs_handle_struct *handle, files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels)
  68 {
  69         return SMB_VFS_NEXT_GET_SHADOW_COPY_DATA(handle, fsp, shadow_copy_data, labels);
  70 }
  71
  72 static int skel_statvfs(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf)
  73 {
  74         return SMB_VFS_NEXT_STATVFS(handle, path, statbuf);
  75 }
  76
  77 static SMB_STRUCT_DIR *skel_opendir(vfs_handle_struct *handle,  const char *fname, const char *mask, uint32 attr)
  78 {
  79         return SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
  80 }
  81
  82 static SMB_STRUCT_DIRENT *skel_readdir(vfs_handle_struct *handle,
  83                                        SMB_STRUCT_DIR *dirp,
  84                                        SMB_STRUCT_STAT *sbuf)
  85 {
  86         return SMB_VFS_NEXT_READDIR(handle, dirp, sbuf);
  87 }
  88
  89 static void skel_seekdir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp, long offset)
  90 {
  91         return SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
  92 }
  93
  94 static long skel_telldir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  95 {
  96         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
  97 }
  98
  99 static void skel_rewinddir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
 100 {
 101         return SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 102 }
 103
 104 static int skel_mkdir(vfs_handle_struct *handle,  const char *path, mode_t mode)
 105 {
 106         return SMB_VFS_NEXT_MKDIR(handle, path, mode);
 107 }
 108
 109 static int skel_rmdir(vfs_handle_struct *handle,  const char *path)
 110 {
 111         return SMB_VFS_NEXT_RMDIR(handle, path);
 112 }
 113
 114 static int skel_closedir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dir)
 115 {
 116         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 117 }
 118
 119 static int skel_open(vfs_handle_struct *handle,  const char *fname, files_struct *fsp, int flags, mode_t mode)
 120 {
 121         return SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
 122 }
 123
 124 static int skel_close(vfs_handle_struct *handle, files_struct *fsp)
 125 {
 126         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 127 }
 128
 129 static ssize_t skel_read(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n)
 130 {
 131         return SMB_VFS_NEXT_READ(handle, fsp, data, n);
 132 }
 133
 134 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
 135 {
 136         return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 137 }
 138
 139 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
 140 {
 141         return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
 142 }
 143
 144 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
 145 {
 146         return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 147 }
 148
 149 static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset, int whence)
 150 {
 151         return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
 152 }
 153
 154 static ssize_t skel_sendfile(vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *hdr, SMB_OFF_T offset, size_t n)
 155 {
 156         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
 157 }
 158
 159 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t n)
 160 {
 161         return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 162 }
 163
 164 static int skel_rename(vfs_handle_struct *handle,  const char *oldname, const char *newname)
 165 {
 166         return SMB_VFS_NEXT_RENAME(handle, oldname, newname);
 167 }
 168
 169 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
 170 {
 171         return SMB_VFS_NEXT_FSYNC(handle, fsp);
 172 }
 173
 174 static int skel_stat(vfs_handle_struct *handle,  const char *fname, SMB_STRUCT_STAT *sbuf)
 175 {
 176         return SMB_VFS_NEXT_STAT(handle, fname, sbuf);
 177 }
 178
 179 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
 180 {
 181         return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
 182 }
 183
 184 static int skel_lstat(vfs_handle_struct *handle,  const char *path, SMB_STRUCT_STAT *sbuf)
 185 {
 186         return SMB_VFS_NEXT_LSTAT(handle, path, sbuf);
 187 }
 188
 189 static int skel_unlink(vfs_handle_struct *handle,  const char *path)
 190 {
 191         return SMB_VFS_NEXT_UNLINK(handle, path);
 192 }
 193
 194 static int skel_chmod(vfs_handle_struct *handle,  const char *path, mode_t mode)
 195 {
 196         return SMB_VFS_NEXT_CHMOD(handle, path, mode);
 197 }
 198
 199 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 200 {
 201         return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 202 }
 203
 204 static int skel_chown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 205 {
 206         return SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
 207 }
 208
 209 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
 210 {
 211         return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
 212 }
 213
 214 static int skel_lchown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 215 {
 216         return SMB_VFS_NEXT_LCHOWN(handle, path, uid, gid);
 217 }
 218
 219 static int skel_chdir(vfs_handle_struct *handle,  const char *path)
 220 {
 221         return SMB_VFS_NEXT_CHDIR(handle, path);
 222 }
 223
 224 static char *skel_getwd(vfs_handle_struct *handle,  char *buf)
 225 {
 226         return SMB_VFS_NEXT_GETWD(handle, buf);
 227 }
 228
 229 static int skel_ntimes(vfs_handle_struct *handle,  const char *path, struct smb_file_time *ft)
 230 {
 231         return SMB_VFS_NEXT_NTIMES(handle, path, ft);
 232 }
 233
 234 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset)
 235 {
 236         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
 237 }
 238
 239 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 240 {
 241         return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
 242 }
 243
 244 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
 245 {
 246         return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 247 }
 248
 249 static int skel_symlink(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 250 {
 251         return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath);
 252 }
 253
 254 static int skel_readlink(vfs_handle_struct *handle,  const char *path, char *buf, size_t bufsiz)
 255 {
 256         return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz);
 257 }
 258
 259 static int skel_link(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 260 {
 261         return SMB_VFS_NEXT_LINK(handle, oldpath, newpath);
 262 }
 263
 264 static int skel_mknod(vfs_handle_struct *handle,  const char *path, mode_t mode, SMB_DEV_T dev)
 265 {
 266         return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev);
 267 }
 268
 269 static char *skel_realpath(vfs_handle_struct *handle,  const char *path, char *resolved_path)
 270 {
 271         return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
 272 }
 273
 274 static NTSTATUS skel_notify_watch(struct vfs_handle_struct *handle,
 275             struct sys_notify_context *ctx, struct notify_entry *e,
 276             void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev),
 277             void *private_data, void *handle_p)
 278 {
 279         return SMB_VFS_NEXT_NOTIFY_WATCH(handle, ctx, e, callback,
 280                 private_data, handle_p);
 281 }
 282
 283 static int skel_chflags(vfs_handle_struct *handle,  const char *path, uint flags)
 284 {
 285         return SMB_VFS_NEXT_CHFLAGS(handle, path, flags);
 286 }
 287
 288 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 289                                           const SMB_STRUCT_STAT *sbuf)
 290 {
 291         return SMB_VFS_NEXT_FILE_ID_CREATE(handle, sbuf);
 292 }
 293
 294 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 295         uint32 security_info, SEC_DESC **ppdesc)
 296 {
 297         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
 298 }
 299
 300 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 301         const char *name, uint32 security_info, SEC_DESC **ppdesc)
 302 {
 303         return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
 304 }
 305
 306 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 307         uint32 security_info_sent, const SEC_DESC *psd)
 308 {
 309         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 310 }
 311
 312 static int skel_chmod_acl(vfs_handle_struct *handle,  const char *name, mode_t mode)
 313 {
 314         /* If the underlying VFS doesn't have ACL support... */
 315         if (!handle->vfs_next.ops.chmod_acl) {
 316                 errno = ENOSYS;
 317                 return -1;
 318         }
 319         return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode);
 320 }
 321
 322 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 323 {
 324         /* If the underlying VFS doesn't have ACL support... */
 325         if (!handle->vfs_next.ops.fchmod_acl) {
 326                 errno = ENOSYS;
 327                 return -1;
 328         }
 329         return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, mode);
 330 }
 331
 332 static int skel_sys_acl_get_entry(vfs_handle_struct *handle,  SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 333 {
 334         return SMB_VFS_NEXT_SYS_ACL_GET_ENTRY(handle, theacl, entry_id, entry_p);
 335 }
 336
 337 static int skel_sys_acl_get_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
 338 {
 339         return SMB_VFS_NEXT_SYS_ACL_GET_TAG_TYPE(handle, entry_d, tag_type_p);
 340 }
 341
 342 static int skel_sys_acl_get_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
 343 {
 344         return SMB_VFS_NEXT_SYS_ACL_GET_PERMSET(handle, entry_d, permset_p);
 345 }
 346
 347 static void *skel_sys_acl_get_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d)
 348 {
 349         return SMB_VFS_NEXT_SYS_ACL_GET_QUALIFIER(handle, entry_d);
 350 }
 351
 352 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,  const char *path_p, SMB_ACL_TYPE_T type)
 353 {
 354         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p, type);
 355 }
 356
 357 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp)
 358 {
 359         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp);
 360 }
 361
 362 static int skel_sys_acl_clear_perms(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset)
 363 {
 364         return SMB_VFS_NEXT_SYS_ACL_CLEAR_PERMS(handle, permset);
 365 }
 366
 367 static int skel_sys_acl_add_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 368 {
 369         return SMB_VFS_NEXT_SYS_ACL_ADD_PERM(handle, permset, perm);
 370 }
 371
 372 static char *skel_sys_acl_to_text(vfs_handle_struct *handle,  SMB_ACL_T theacl, ssize_t *plen)
 373 {
 374         return SMB_VFS_NEXT_SYS_ACL_TO_TEXT(handle, theacl, plen);
 375 }
 376
 377 static SMB_ACL_T skel_sys_acl_init(vfs_handle_struct *handle,  int count)
 378 {
 379         return SMB_VFS_NEXT_SYS_ACL_INIT(handle, count);
 380 }
 381
 382 static int skel_sys_acl_create_entry(vfs_handle_struct *handle,  SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
 383 {
 384         return SMB_VFS_NEXT_SYS_ACL_CREATE_ENTRY(handle, pacl, pentry);
 385 }
 386
 387 static int skel_sys_acl_set_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
 388 {
 389         return SMB_VFS_NEXT_SYS_ACL_SET_TAG_TYPE(handle, entry, tagtype);
 390 }
 391
 392 static int skel_sys_acl_set_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, void *qual)
 393 {
 394         return SMB_VFS_NEXT_SYS_ACL_SET_QUALIFIER(handle, entry, qual);
 395 }
 396
 397 static int skel_sys_acl_set_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
 398 {
 399         return SMB_VFS_NEXT_SYS_ACL_SET_PERMSET(handle, entry, permset);
 400 }
 401
 402 static int skel_sys_acl_valid(vfs_handle_struct *handle,  SMB_ACL_T theacl )
 403 {
 404         return SMB_VFS_NEXT_SYS_ACL_VALID(handle, theacl);
 405 }
 406
 407 static int skel_sys_acl_set_file(vfs_handle_struct *handle,  const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 408 {
 409         return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, acltype, theacl);
 410 }
 411
 412 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
 413 {
 414         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
 415 }
 416
 417 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,  const char *path)
 418 {
 419         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
 420 }
 421
 422 static int skel_sys_acl_get_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 423 {
 424         return SMB_VFS_NEXT_SYS_ACL_GET_PERM(handle, permset, perm);
 425 }
 426
 427 static int skel_sys_acl_free_text(vfs_handle_struct *handle,  char *text)
 428 {
 429         return SMB_VFS_NEXT_SYS_ACL_FREE_TEXT(handle, text);
 430 }
 431
 432 static int skel_sys_acl_free_acl(vfs_handle_struct *handle,  SMB_ACL_T posix_acl)
 433 {
 434         return SMB_VFS_NEXT_SYS_ACL_FREE_ACL(handle, posix_acl);
 435 }
 436
 437 static int skel_sys_acl_free_qualifier(vfs_handle_struct *handle,  void *qualifier, SMB_ACL_TAG_T tagtype)
 438 {
 439         return SMB_VFS_NEXT_SYS_ACL_FREE_QUALIFIER(handle, qualifier, tagtype);
 440 }
 441
 442 static ssize_t skel_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
 443 {
 444         return SMB_VFS_NEXT_GETXATTR(handle, path, name, value, size);
 445 }
 446
 447 static ssize_t skel_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
 448 size)
 449 {
 450         return SMB_VFS_NEXT_LGETXATTR(handle, path, name, value, size);
 451 }
 452
 453 static ssize_t skel_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
 454 {
 455         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
 456 }
 457
 458 static ssize_t skel_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 459 {
 460         return SMB_VFS_NEXT_LISTXATTR(handle, path, list, size);
 461 }
 462
 463 static ssize_t skel_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 464 {
 465         return SMB_VFS_NEXT_LLISTXATTR(handle, path, list, size);
 466 }
 467
 468 static ssize_t skel_flistxattr(vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
 469 {
 470         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
 471 }
 472
 473 static int skel_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
 474 {
 475         return SMB_VFS_NEXT_REMOVEXATTR(handle, path, name);
 476 }
 477
 478 static int skel_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
 479 {
 480         return SMB_VFS_NEXT_LREMOVEXATTR(handle, path, name);
 481 }
 482
 483 static int skel_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
 484 {
 485         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 486 }
 487
 488 static int skel_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 489 {
 490         return SMB_VFS_NEXT_SETXATTR(handle, path, name, value, size, flags);
 491 }
 492
 493 static int skel_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 494 {
 495         return SMB_VFS_NEXT_LSETXATTR(handle, path, name, value, size, flags);
 496 }
 497
 498 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
 499 {
 500         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value, size, flags);
 501 }
 502
 503 static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 504 {
 505         return SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
 506 }
 507
 508 static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 509 {
 510         return SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
 511 }
 512
 513 static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 514 {
 515         return SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
 516 }
 517
 518 static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 519 {
 520         return SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, aiocb);
 521 }
 522
 523 static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 524 {
 525         return SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
 526 }
 527
 528 static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
 529 {
 530         return SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
 531 }
 532
 533 static int skel_aio_suspend(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *ts)
 534 {
 535         return SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
 536 }
 537
 538 static bool skel_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
 539 {
 540         return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
 541 }
 542
 543 static bool skel_is_offline(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
 544 {
 545         return SMB_VFS_NEXT_IS_OFFLINE(handle, path, sbuf);
 546 }
 547
 548 static int skel_set_offline(struct vfs_handle_struct *handle, const char *path)
 549 {
 550         return SMB_VFS_NEXT_SET_OFFLINE(handle, path);
 551 }
 552
 553 static bool skel_is_remotestorage(struct vfs_handle_struct *handle, const char *path)
 554 {
 555         return SMB_VFS_NEXT_IS_REMOTESTORAGE(handle, path);
 556 }
 557
 558 /* VFS operations structure */
 559
 560 static vfs_op_tuple skel_op_tuples[] = {
 561
 562         /* Disk operations */
 563
 564         {SMB_VFS_OP(skel_connect),                      SMB_VFS_OP_CONNECT,             SMB_VFS_LAYER_TRANSPARENT},
 565         {SMB_VFS_OP(skel_disconnect),                   SMB_VFS_OP_DISCONNECT,          SMB_VFS_LAYER_TRANSPARENT},
 566         {SMB_VFS_OP(skel_disk_free),                    SMB_VFS_OP_DISK_FREE,           SMB_VFS_LAYER_TRANSPARENT},
 567         {SMB_VFS_OP(skel_get_quota),                    SMB_VFS_OP_GET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 568         {SMB_VFS_OP(skel_set_quota),                    SMB_VFS_OP_SET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 569         {SMB_VFS_OP(skel_get_shadow_copy_data),         SMB_VFS_OP_GET_SHADOW_COPY_DATA,SMB_VFS_LAYER_TRANSPARENT},
 570         {SMB_VFS_OP(skel_statvfs),                      SMB_VFS_OP_STATVFS,             SMB_VFS_LAYER_TRANSPARENT},
 571
 572         /* Directory operations */
 573
 574         {SMB_VFS_OP(skel_opendir),                      SMB_VFS_OP_OPENDIR,             SMB_VFS_LAYER_TRANSPARENT},
 575         {SMB_VFS_OP(skel_readdir),                      SMB_VFS_OP_READDIR,             SMB_VFS_LAYER_TRANSPARENT},
 576         {SMB_VFS_OP(skel_seekdir),                      SMB_VFS_OP_SEEKDIR,             SMB_VFS_LAYER_TRANSPARENT},
 577         {SMB_VFS_OP(skel_telldir),                      SMB_VFS_OP_TELLDIR,             SMB_VFS_LAYER_TRANSPARENT},
 578         {SMB_VFS_OP(skel_rewinddir),                    SMB_VFS_OP_REWINDDIR,           SMB_VFS_LAYER_TRANSPARENT},
 579         {SMB_VFS_OP(skel_mkdir),                        SMB_VFS_OP_MKDIR,               SMB_VFS_LAYER_TRANSPARENT},
 580         {SMB_VFS_OP(skel_rmdir),                        SMB_VFS_OP_RMDIR,               SMB_VFS_LAYER_TRANSPARENT},
 581         {SMB_VFS_OP(skel_closedir),                     SMB_VFS_OP_CLOSEDIR,            SMB_VFS_LAYER_TRANSPARENT},
 582
 583         /* File operations */
 584
 585         {SMB_VFS_OP(skel_open),                         SMB_VFS_OP_OPEN,                SMB_VFS_LAYER_TRANSPARENT},
 586         {SMB_VFS_OP(skel_close),                        SMB_VFS_OP_CLOSE,               SMB_VFS_LAYER_TRANSPARENT},
 587         {SMB_VFS_OP(skel_read),                         SMB_VFS_OP_READ,                SMB_VFS_LAYER_TRANSPARENT},
 588         {SMB_VFS_OP(skel_write),                        SMB_VFS_OP_WRITE,               SMB_VFS_LAYER_TRANSPARENT},
 589         {SMB_VFS_OP(skel_lseek),                        SMB_VFS_OP_LSEEK,               SMB_VFS_LAYER_TRANSPARENT},
 590         {SMB_VFS_OP(skel_sendfile),                     SMB_VFS_OP_SENDFILE,            SMB_VFS_LAYER_TRANSPARENT},
 591         {SMB_VFS_OP(skel_recvfile),                     SMB_VFS_OP_RECVFILE,            SMB_VFS_LAYER_TRANSPARENT},
 592         {SMB_VFS_OP(skel_rename),                       SMB_VFS_OP_RENAME,              SMB_VFS_LAYER_TRANSPARENT},
 593         {SMB_VFS_OP(skel_fsync),                        SMB_VFS_OP_FSYNC,               SMB_VFS_LAYER_TRANSPARENT},
 594         {SMB_VFS_OP(skel_stat),                         SMB_VFS_OP_STAT,                SMB_VFS_LAYER_TRANSPARENT},
 595         {SMB_VFS_OP(skel_fstat),                        SMB_VFS_OP_FSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 596         {SMB_VFS_OP(skel_lstat),                        SMB_VFS_OP_LSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 597         {SMB_VFS_OP(skel_unlink),                       SMB_VFS_OP_UNLINK,              SMB_VFS_LAYER_TRANSPARENT},
 598         {SMB_VFS_OP(skel_chmod),                        SMB_VFS_OP_CHMOD,               SMB_VFS_LAYER_TRANSPARENT},
 599         {SMB_VFS_OP(skel_fchmod),                       SMB_VFS_OP_FCHMOD,              SMB_VFS_LAYER_TRANSPARENT},
 600         {SMB_VFS_OP(skel_chown),                        SMB_VFS_OP_CHOWN,               SMB_VFS_LAYER_TRANSPARENT},
 601         {SMB_VFS_OP(skel_fchown),                       SMB_VFS_OP_FCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 602         {SMB_VFS_OP(skel_lchown),                       SMB_VFS_OP_LCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 603         {SMB_VFS_OP(skel_chdir),                        SMB_VFS_OP_CHDIR,               SMB_VFS_LAYER_TRANSPARENT},
 604         {SMB_VFS_OP(skel_getwd),                        SMB_VFS_OP_GETWD,               SMB_VFS_LAYER_TRANSPARENT},
 605         {SMB_VFS_OP(skel_ntimes),                       SMB_VFS_OP_NTIMES,              SMB_VFS_LAYER_TRANSPARENT},
 606         {SMB_VFS_OP(skel_ftruncate),                    SMB_VFS_OP_FTRUNCATE,           SMB_VFS_LAYER_TRANSPARENT},
 607         {SMB_VFS_OP(skel_lock),                         SMB_VFS_OP_LOCK,                SMB_VFS_LAYER_TRANSPARENT},
 608         {SMB_VFS_OP(skel_getlock),                      SMB_VFS_OP_GETLOCK,             SMB_VFS_LAYER_TRANSPARENT},
 609         {SMB_VFS_OP(skel_symlink),                      SMB_VFS_OP_SYMLINK,             SMB_VFS_LAYER_TRANSPARENT},
 610         {SMB_VFS_OP(skel_readlink),                     SMB_VFS_OP_READLINK,            SMB_VFS_LAYER_TRANSPARENT},
 611         {SMB_VFS_OP(skel_link),                         SMB_VFS_OP_LINK,                SMB_VFS_LAYER_TRANSPARENT},
 612         {SMB_VFS_OP(skel_mknod),                        SMB_VFS_OP_MKNOD,               SMB_VFS_LAYER_TRANSPARENT},
 613         {SMB_VFS_OP(skel_realpath),                     SMB_VFS_OP_REALPATH,            SMB_VFS_LAYER_TRANSPARENT},
 614         {SMB_VFS_OP(skel_notify_watch),                 SMB_VFS_OP_NOTIFY_WATCH,        SMB_VFS_LAYER_TRANSPARENT},
 615         {SMB_VFS_OP(skel_chflags),                      SMB_VFS_OP_CHFLAGS,             SMB_VFS_LAYER_TRANSPARENT},
 616         {SMB_VFS_OP(skel_file_id_create),               SMB_VFS_OP_FILE_ID_CREATE,      SMB_VFS_LAYER_TRANSPARENT},
 617
 618         /* NT File ACL operations */
 619
 620         {SMB_VFS_OP(skel_fget_nt_acl),                  SMB_VFS_OP_FGET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 621         {SMB_VFS_OP(skel_get_nt_acl),                   SMB_VFS_OP_GET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 622         {SMB_VFS_OP(skel_fset_nt_acl),                  SMB_VFS_OP_FSET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 623
 624         /* POSIX ACL operations */
 625
 626         {SMB_VFS_OP(skel_chmod_acl),                    SMB_VFS_OP_CHMOD_ACL,           SMB_VFS_LAYER_TRANSPARENT},
 627         {SMB_VFS_OP(skel_fchmod_acl),                   SMB_VFS_OP_FCHMOD_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 628
 629         {SMB_VFS_OP(skel_sys_acl_get_entry),            SMB_VFS_OP_SYS_ACL_GET_ENTRY,           SMB_VFS_LAYER_TRANSPARENT},
 630         {SMB_VFS_OP(skel_sys_acl_get_tag_type),         SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 631         {SMB_VFS_OP(skel_sys_acl_get_permset),          SMB_VFS_OP_SYS_ACL_GET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 632         {SMB_VFS_OP(skel_sys_acl_get_qualifier),        SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 633         {SMB_VFS_OP(skel_sys_acl_get_file),             SMB_VFS_OP_SYS_ACL_GET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 634         {SMB_VFS_OP(skel_sys_acl_get_fd),               SMB_VFS_OP_SYS_ACL_GET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 635         {SMB_VFS_OP(skel_sys_acl_clear_perms),          SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,         SMB_VFS_LAYER_TRANSPARENT},
 636         {SMB_VFS_OP(skel_sys_acl_add_perm),             SMB_VFS_OP_SYS_ACL_ADD_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 637         {SMB_VFS_OP(skel_sys_acl_to_text),              SMB_VFS_OP_SYS_ACL_TO_TEXT,             SMB_VFS_LAYER_TRANSPARENT},
 638         {SMB_VFS_OP(skel_sys_acl_init),                 SMB_VFS_OP_SYS_ACL_INIT,                SMB_VFS_LAYER_TRANSPARENT},
 639         {SMB_VFS_OP(skel_sys_acl_create_entry),         SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,        SMB_VFS_LAYER_TRANSPARENT},
 640         {SMB_VFS_OP(skel_sys_acl_set_tag_type),         SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 641         {SMB_VFS_OP(skel_sys_acl_set_qualifier),        SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 642         {SMB_VFS_OP(skel_sys_acl_set_permset),          SMB_VFS_OP_SYS_ACL_SET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 643         {SMB_VFS_OP(skel_sys_acl_valid),                SMB_VFS_OP_SYS_ACL_VALID,               SMB_VFS_LAYER_TRANSPARENT},
 644         {SMB_VFS_OP(skel_sys_acl_set_file),             SMB_VFS_OP_SYS_ACL_SET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 645         {SMB_VFS_OP(skel_sys_acl_set_fd),               SMB_VFS_OP_SYS_ACL_SET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 646         {SMB_VFS_OP(skel_sys_acl_delete_def_file),      SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,     SMB_VFS_LAYER_TRANSPARENT},
 647         {SMB_VFS_OP(skel_sys_acl_get_perm),             SMB_VFS_OP_SYS_ACL_GET_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 648         {SMB_VFS_OP(skel_sys_acl_free_text),            SMB_VFS_OP_SYS_ACL_FREE_TEXT,           SMB_VFS_LAYER_TRANSPARENT},
 649         {SMB_VFS_OP(skel_sys_acl_free_acl),             SMB_VFS_OP_SYS_ACL_FREE_ACL,            SMB_VFS_LAYER_TRANSPARENT},
 650         {SMB_VFS_OP(skel_sys_acl_free_qualifier),       SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,      SMB_VFS_LAYER_TRANSPARENT},
 651
 652         /* EA operations. */
 653         {SMB_VFS_OP(skel_getxattr),                     SMB_VFS_OP_GETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 654         {SMB_VFS_OP(skel_lgetxattr),                    SMB_VFS_OP_LGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 655         {SMB_VFS_OP(skel_fgetxattr),                    SMB_VFS_OP_FGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 656         {SMB_VFS_OP(skel_listxattr),                    SMB_VFS_OP_LISTXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 657         {SMB_VFS_OP(skel_llistxattr),                   SMB_VFS_OP_LLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 658         {SMB_VFS_OP(skel_flistxattr),                   SMB_VFS_OP_FLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 659         {SMB_VFS_OP(skel_removexattr),                  SMB_VFS_OP_REMOVEXATTR,                 SMB_VFS_LAYER_TRANSPARENT},
 660         {SMB_VFS_OP(skel_lremovexattr),                 SMB_VFS_OP_LREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 661         {SMB_VFS_OP(skel_fremovexattr),                 SMB_VFS_OP_FREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 662         {SMB_VFS_OP(skel_setxattr),                     SMB_VFS_OP_SETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 663         {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 664         {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 665
 666         /* AIO operations. */
 667         {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_TRANSPARENT},
 668         {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_TRANSPARENT},
 669         {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_TRANSPARENT},
 670         {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_TRANSPARENT},
 671         {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_TRANSPARENT},
 672         {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_TRANSPARENT},
 673         {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_TRANSPARENT},
 674         {SMB_VFS_OP(skel_aio_force),                    SMB_VFS_OP_AIO_FORCE,                   SMB_VFS_LAYER_TRANSPARENT},
 675
 676         /* offline operations */
 677         {SMB_VFS_OP(skel_is_offline),                   SMB_VFS_OP_IS_OFFLINE,                  SMB_VFS_LAYER_TRANSPARENT},
 678         {SMB_VFS_OP(skel_set_offline),                  SMB_VFS_OP_SET_OFFLINE,                 SMB_VFS_LAYER_TRANSPARENT},
 679
 680         {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 681 };
 682
 683 NTSTATUS init_module(void)
 684 {
 685         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent", skel_op_tuples);
 686 }