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 2 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, write to the Free Software
  21  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24
  25 #include "includes.h"
  26
  27 /* PLEASE,PLEASE READ THE VFS MODULES CHAPTER OF THE
  28    SAMBA DEVELOPERS GUIDE!!!!!!
  29  */
  30
  31 /* If you take this file as template for your module
  32  * please make sure that you remove all functions you didn't
  33  * want to implement!!
  34  *
  35  * This passthrough operations are useless in reall vfs modules!
  36  *
  37  * --metze
  38  */
  39
  40 static int skel_connect(vfs_handle_struct *handle,  const char *service, const char *user)
  41 {
  42         return SMB_VFS_NEXT_CONNECT(handle, service, user);
  43 }
  44
  45 static void skel_disconnect(vfs_handle_struct *handle)
  46 {
  47         SMB_VFS_NEXT_DISCONNECT(handle);
  48 }
  49
  50 static SMB_BIG_UINT skel_disk_free(vfs_handle_struct *handle,  const char *path,
  51         BOOL small_query, SMB_BIG_UINT *bsize,
  52         SMB_BIG_UINT *dfree, SMB_BIG_UINT *dsize)
  53 {
  54         return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query, bsize,
  55                                          dfree, dsize);
  56 }
  57
  58 static int skel_get_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  59 {
  60         return SMB_VFS_NEXT_GET_QUOTA(handle, qtype, id, dq);
  61 }
  62
  63 static int skel_set_quota(vfs_handle_struct *handle,  enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dq)
  64 {
  65         return SMB_VFS_NEXT_SET_QUOTA(handle, qtype, id, dq);
  66 }
  67
  68 static int skel_get_shadow_copy_data(vfs_handle_struct *handle, files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, BOOL labels)
  69 {
  70         return SMB_VFS_NEXT_GET_SHADOW_COPY_DATA(handle, fsp, shadow_copy_data, labels);
  71 }
  72
  73 static int skel_statvfs(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf)
  74 {
  75         return SMB_VFS_NEXT_STATVFS(handle, path, statbuf);
  76 }
  77
  78 static SMB_STRUCT_DIR *skel_opendir(vfs_handle_struct *handle,  const char *fname, const char *mask, uint32 attr)
  79 {
  80         return SMB_VFS_NEXT_OPENDIR(handle, fname, mask, attr);
  81 }
  82
  83 static SMB_STRUCT_DIRENT *skel_readdir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  84 {
  85         return SMB_VFS_NEXT_READDIR(handle, dirp);
  86 }
  87
  88 static void skel_seekdir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp, long offset)
  89 {
  90         return SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
  91 }
  92
  93 static long skel_telldir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  94 {
  95         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
  96 }
  97
  98 static void skel_rewinddir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  99 {
 100         return SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 101 }
 102
 103 static int skel_mkdir(vfs_handle_struct *handle,  const char *path, mode_t mode)
 104 {
 105         return SMB_VFS_NEXT_MKDIR(handle, path, mode);
 106 }
 107
 108 static int skel_rmdir(vfs_handle_struct *handle,  const char *path)
 109 {
 110         return SMB_VFS_NEXT_RMDIR(handle, path);
 111 }
 112
 113 static int skel_closedir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dir)
 114 {
 115         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 116 }
 117
 118 static int skel_open(vfs_handle_struct *handle,  const char *fname, files_struct *fsp, int flags, mode_t mode)
 119 {
 120         return SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
 121 }
 122
 123 static int skel_close(vfs_handle_struct *handle, files_struct *fsp, int fd)
 124 {
 125         return SMB_VFS_NEXT_CLOSE(handle, fsp, fd);
 126 }
 127
 128 static ssize_t skel_read(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n)
 129 {
 130         return SMB_VFS_NEXT_READ(handle, fsp, fd, data, n);
 131 }
 132
 133 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp, int fd, void *data, size_t n, SMB_OFF_T offset)
 134 {
 135         return SMB_VFS_NEXT_PREAD(handle, fsp, fd, data, n, offset);
 136 }
 137
 138 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n)
 139 {
 140         return SMB_VFS_NEXT_WRITE(handle, fsp, fd, data, n);
 141 }
 142
 143 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, int fd, const void *data, size_t n, SMB_OFF_T offset)
 144 {
 145         return SMB_VFS_NEXT_PWRITE(handle, fsp, fd, data, n, offset);
 146 }
 147
 148 static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, int filedes, SMB_OFF_T offset, int whence)
 149 {
 150         return SMB_VFS_NEXT_LSEEK(handle, fsp, filedes, offset, whence);
 151 }
 152
 153 static int skel_rename(vfs_handle_struct *handle,  const char *oldname, const char *newname)
 154 {
 155         return SMB_VFS_NEXT_RENAME(handle, oldname, newname);
 156 }
 157
 158 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp, int fd)
 159 {
 160         return SMB_VFS_NEXT_FSYNC(handle, fsp, fd);
 161 }
 162
 163 static int skel_stat(vfs_handle_struct *handle,  const char *fname, SMB_STRUCT_STAT *sbuf)
 164 {
 165         return SMB_VFS_NEXT_STAT(handle, fname, sbuf);
 166 }
 167
 168 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_STRUCT_STAT *sbuf)
 169 {
 170         return SMB_VFS_NEXT_FSTAT(handle, fsp, fd, sbuf);
 171 }
 172
 173 static int skel_lstat(vfs_handle_struct *handle,  const char *path, SMB_STRUCT_STAT *sbuf)
 174 {
 175         return SMB_VFS_NEXT_LSTAT(handle, path, sbuf);
 176 }
 177
 178 static int skel_unlink(vfs_handle_struct *handle,  const char *path)
 179 {
 180         return SMB_VFS_NEXT_UNLINK(handle, path);
 181 }
 182
 183 static int skel_chmod(vfs_handle_struct *handle,  const char *path, mode_t mode)
 184 {
 185         return SMB_VFS_NEXT_CHMOD(handle, path, mode);
 186 }
 187
 188 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
 189 {
 190         return SMB_VFS_NEXT_FCHMOD(handle, fsp, fd, mode);
 191 }
 192
 193 static int skel_chown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 194 {
 195         return SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
 196 }
 197
 198 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp, int fd, uid_t uid, gid_t gid)
 199 {
 200         return SMB_VFS_NEXT_FCHOWN(handle, fsp, fd, uid, gid);
 201 }
 202
 203 static int skel_lchown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 204 {
 205         return SMB_VFS_NEXT_LCHOWN(handle, path, uid, gid);
 206 }
 207
 208 static int skel_chdir(vfs_handle_struct *handle,  const char *path)
 209 {
 210         return SMB_VFS_NEXT_CHDIR(handle, path);
 211 }
 212
 213 static char *skel_getwd(vfs_handle_struct *handle,  char *buf)
 214 {
 215         return SMB_VFS_NEXT_GETWD(handle, buf);
 216 }
 217
 218 static int skel_ntimes(vfs_handle_struct *handle,  const char *path, const struct timespec ts[2])
 219 {
 220         return SMB_VFS_NEXT_NTIMES(handle, path, ts);
 221 }
 222
 223 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T offset)
 224 {
 225         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, fd, offset);
 226 }
 227
 228 static BOOL skel_lock(vfs_handle_struct *handle, files_struct *fsp, int fd, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 229 {
 230         return SMB_VFS_NEXT_LOCK(handle, fsp, fd, op, offset, count, type);
 231 }
 232
 233 static BOOL skel_getlock(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
 234 {
 235         return SMB_VFS_NEXT_GETLOCK(handle, fsp, fd, poffset, pcount, ptype, ppid);
 236 }
 237
 238 static int skel_symlink(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 239 {
 240         return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath);
 241 }
 242
 243 static int skel_readlink(vfs_handle_struct *handle,  const char *path, char *buf, size_t bufsiz)
 244 {
 245         return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz);
 246 }
 247
 248 static int skel_link(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 249 {
 250         return SMB_VFS_NEXT_LINK(handle, oldpath, newpath);
 251 }
 252
 253 static int skel_mknod(vfs_handle_struct *handle,  const char *path, mode_t mode, SMB_DEV_T dev)
 254 {
 255         return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev);
 256 }
 257
 258 static char *skel_realpath(vfs_handle_struct *handle,  const char *path, char *resolved_path)
 259 {
 260         return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
 261 }
 262
 263 static NTSTATUS skel_notify_watch(struct vfs_handle_struct *handle,
 264             struct sys_notify_context *ctx, struct notify_entry *e,
 265             void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev),
 266             void *private_data, void *handle_p)
 267 {
 268         return SMB_VFS_NEXT_NOTIFY_WATCH(handle, ctx, e, callback,
 269                 private_data, handle_p);
 270 }
 271
 272 static int skel_chflags(vfs_handle_struct *handle,  const char *path, uint flags)
 273 {
 274         return SMB_VFS_NEXT_CHFLAGS(handle, path, flags);
 275 }
 276
 277 static size_t skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 278         int fd, uint32 security_info, SEC_DESC **ppdesc)
 279 {
 280         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, fd, security_info, ppdesc);
 281 }
 282
 283 static size_t skel_get_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 284         const char *name, uint32 security_info, SEC_DESC **ppdesc)
 285 {
 286         return SMB_VFS_NEXT_GET_NT_ACL(handle, fsp, name, security_info, ppdesc);
 287 }
 288
 289 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 290         int fd, uint32 security_info_sent, SEC_DESC *psd)
 291 {
 292         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, fd, security_info_sent, psd);
 293 }
 294
 295 static NTSTATUS skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 296         const char *name, uint32 security_info_sent, SEC_DESC *psd)
 297 {
 298         return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, name, security_info_sent, psd);
 299 }
 300
 301 static int skel_chmod_acl(vfs_handle_struct *handle,  const char *name, mode_t mode)
 302 {
 303         /* If the underlying VFS doesn't have ACL support... */
 304         if (!handle->vfs_next.ops.chmod_acl) {
 305                 errno = ENOSYS;
 306                 return -1;
 307         }
 308         return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode);
 309 }
 310
 311 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, int fd, mode_t mode)
 312 {
 313         /* If the underlying VFS doesn't have ACL support... */
 314         if (!handle->vfs_next.ops.fchmod_acl) {
 315                 errno = ENOSYS;
 316                 return -1;
 317         }
 318         return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, fd, mode);
 319 }
 320
 321 static int skel_sys_acl_get_entry(vfs_handle_struct *handle,  SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 322 {
 323         return SMB_VFS_NEXT_SYS_ACL_GET_ENTRY(handle, theacl, entry_id, entry_p);
 324 }
 325
 326 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)
 327 {
 328         return SMB_VFS_NEXT_SYS_ACL_GET_TAG_TYPE(handle, entry_d, tag_type_p);
 329 }
 330
 331 static int skel_sys_acl_get_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
 332 {
 333         return SMB_VFS_NEXT_SYS_ACL_GET_PERMSET(handle, entry_d, permset_p);
 334 }
 335
 336 static void *skel_sys_acl_get_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d)
 337 {
 338         return SMB_VFS_NEXT_SYS_ACL_GET_QUALIFIER(handle, entry_d);
 339 }
 340
 341 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,  const char *path_p, SMB_ACL_TYPE_T type)
 342 {
 343         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p, type);
 344 }
 345
 346 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp, int fd)
 347 {
 348         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, fd);
 349 }
 350
 351 static int skel_sys_acl_clear_perms(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset)
 352 {
 353         return SMB_VFS_NEXT_SYS_ACL_CLEAR_PERMS(handle, permset);
 354 }
 355
 356 static int skel_sys_acl_add_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 357 {
 358         return SMB_VFS_NEXT_SYS_ACL_ADD_PERM(handle, permset, perm);
 359 }
 360
 361 static char *skel_sys_acl_to_text(vfs_handle_struct *handle,  SMB_ACL_T theacl, ssize_t *plen)
 362 {
 363         return SMB_VFS_NEXT_SYS_ACL_TO_TEXT(handle, theacl, plen);
 364 }
 365
 366 static SMB_ACL_T skel_sys_acl_init(vfs_handle_struct *handle,  int count)
 367 {
 368         return SMB_VFS_NEXT_SYS_ACL_INIT(handle, count);
 369 }
 370
 371 static int skel_sys_acl_create_entry(vfs_handle_struct *handle,  SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
 372 {
 373         return SMB_VFS_NEXT_SYS_ACL_CREATE_ENTRY(handle, pacl, pentry);
 374 }
 375
 376 static int skel_sys_acl_set_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
 377 {
 378         return SMB_VFS_NEXT_SYS_ACL_SET_TAG_TYPE(handle, entry, tagtype);
 379 }
 380
 381 static int skel_sys_acl_set_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, void *qual)
 382 {
 383         return SMB_VFS_NEXT_SYS_ACL_SET_QUALIFIER(handle, entry, qual);
 384 }
 385
 386 static int skel_sys_acl_set_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
 387 {
 388         return SMB_VFS_NEXT_SYS_ACL_SET_PERMSET(handle, entry, permset);
 389 }
 390
 391 static int skel_sys_acl_valid(vfs_handle_struct *handle,  SMB_ACL_T theacl )
 392 {
 393         return SMB_VFS_NEXT_SYS_ACL_VALID(handle, theacl);
 394 }
 395
 396 static int skel_sys_acl_set_file(vfs_handle_struct *handle,  const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 397 {
 398         return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, acltype, theacl);
 399 }
 400
 401 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, int fd, SMB_ACL_T theacl)
 402 {
 403         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, fd, theacl);
 404 }
 405
 406 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,  const char *path)
 407 {
 408         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
 409 }
 410
 411 static int skel_sys_acl_get_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 412 {
 413         return SMB_VFS_NEXT_SYS_ACL_GET_PERM(handle, permset, perm);
 414 }
 415
 416 static int skel_sys_acl_free_text(vfs_handle_struct *handle,  char *text)
 417 {
 418         return SMB_VFS_NEXT_SYS_ACL_FREE_TEXT(handle, text);
 419 }
 420
 421 static int skel_sys_acl_free_acl(vfs_handle_struct *handle,  SMB_ACL_T posix_acl)
 422 {
 423         return SMB_VFS_NEXT_SYS_ACL_FREE_ACL(handle, posix_acl);
 424 }
 425
 426 static int skel_sys_acl_free_qualifier(vfs_handle_struct *handle,  void *qualifier, SMB_ACL_TAG_T tagtype)
 427 {
 428         return SMB_VFS_NEXT_SYS_ACL_FREE_QUALIFIER(handle, qualifier, tagtype);
 429 }
 430
 431 static ssize_t skel_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
 432 {
 433         return SMB_VFS_NEXT_GETXATTR(handle, path, name, value, size);
 434 }
 435
 436 static ssize_t skel_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
 437 size)
 438 {
 439         return SMB_VFS_NEXT_LGETXATTR(handle, path, name, value, size);
 440 }
 441
 442 static ssize_t skel_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, void *value, size_t size)
 443 {
 444         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, fd, name, value, size);
 445 }
 446
 447 static ssize_t skel_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 448 {
 449         return SMB_VFS_NEXT_LISTXATTR(handle, path, list, size);
 450 }
 451
 452 static ssize_t skel_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 453 {
 454         return SMB_VFS_NEXT_LLISTXATTR(handle, path, list, size);
 455 }
 456
 457 static ssize_t skel_flistxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, char *list, size_t size)
 458 {
 459         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, fd, list, size);
 460 }
 461
 462 static int skel_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
 463 {
 464         return SMB_VFS_NEXT_REMOVEXATTR(handle, path, name);
 465 }
 466
 467 static int skel_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
 468 {
 469         return SMB_VFS_NEXT_LREMOVEXATTR(handle, path, name);
 470 }
 471
 472 static int skel_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name)
 473 {
 474         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, fd, name);
 475 }
 476
 477 static int skel_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 478 {
 479         return SMB_VFS_NEXT_SETXATTR(handle, path, name, value, size, flags);
 480 }
 481
 482 static int skel_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 483 {
 484         return SMB_VFS_NEXT_LSETXATTR(handle, path, name, value, size, flags);
 485 }
 486
 487 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,int fd, const char *name, const void *value, size_t size, int flags)
 488 {
 489         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, fd, name, value, size, flags);
 490 }
 491
 492 static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 493 {
 494         return SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
 495 }
 496
 497 static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 498 {
 499         return SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
 500 }
 501
 502 static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 503 {
 504         return SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
 505 }
 506
 507 static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, int fd, SMB_STRUCT_AIOCB *aiocb)
 508 {
 509         return SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, fd, aiocb);
 510 }
 511
 512 static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 513 {
 514         return SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
 515 }
 516
 517 static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
 518 {
 519         return SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
 520 }
 521
 522 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)
 523 {
 524         return SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
 525 }
 526
 527 /* VFS operations structure */
 528
 529 static vfs_op_tuple skel_op_tuples[] = {
 530
 531         /* Disk operations */
 532
 533         {SMB_VFS_OP(skel_connect),                      SMB_VFS_OP_CONNECT,             SMB_VFS_LAYER_TRANSPARENT},
 534         {SMB_VFS_OP(skel_disconnect),                   SMB_VFS_OP_DISCONNECT,          SMB_VFS_LAYER_TRANSPARENT},
 535         {SMB_VFS_OP(skel_disk_free),                    SMB_VFS_OP_DISK_FREE,           SMB_VFS_LAYER_TRANSPARENT},
 536         {SMB_VFS_OP(skel_get_quota),                    SMB_VFS_OP_GET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 537         {SMB_VFS_OP(skel_set_quota),                    SMB_VFS_OP_SET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 538         {SMB_VFS_OP(skel_get_shadow_copy_data),         SMB_VFS_OP_GET_SHADOW_COPY_DATA,SMB_VFS_LAYER_TRANSPARENT},
 539         {SMB_VFS_OP(skel_statvfs),                      SMB_VFS_OP_STATVFS,             SMB_VFS_LAYER_TRANSPARENT},
 540
 541         /* Directory operations */
 542
 543         {SMB_VFS_OP(skel_opendir),                      SMB_VFS_OP_OPENDIR,             SMB_VFS_LAYER_TRANSPARENT},
 544         {SMB_VFS_OP(skel_readdir),                      SMB_VFS_OP_READDIR,             SMB_VFS_LAYER_TRANSPARENT},
 545         {SMB_VFS_OP(skel_seekdir),                      SMB_VFS_OP_SEEKDIR,             SMB_VFS_LAYER_TRANSPARENT},
 546         {SMB_VFS_OP(skel_telldir),                      SMB_VFS_OP_TELLDIR,             SMB_VFS_LAYER_TRANSPARENT},
 547         {SMB_VFS_OP(skel_rewinddir),                    SMB_VFS_OP_REWINDDIR,           SMB_VFS_LAYER_TRANSPARENT},
 548         {SMB_VFS_OP(skel_mkdir),                        SMB_VFS_OP_MKDIR,               SMB_VFS_LAYER_TRANSPARENT},
 549         {SMB_VFS_OP(skel_rmdir),                        SMB_VFS_OP_RMDIR,               SMB_VFS_LAYER_TRANSPARENT},
 550         {SMB_VFS_OP(skel_closedir),                     SMB_VFS_OP_CLOSEDIR,            SMB_VFS_LAYER_TRANSPARENT},
 551
 552         /* File operations */
 553
 554         {SMB_VFS_OP(skel_open),                         SMB_VFS_OP_OPEN,                SMB_VFS_LAYER_TRANSPARENT},
 555         {SMB_VFS_OP(skel_close),                        SMB_VFS_OP_CLOSE,               SMB_VFS_LAYER_TRANSPARENT},
 556         {SMB_VFS_OP(skel_read),                         SMB_VFS_OP_READ,                SMB_VFS_LAYER_TRANSPARENT},
 557         {SMB_VFS_OP(skel_write),                        SMB_VFS_OP_WRITE,               SMB_VFS_LAYER_TRANSPARENT},
 558         {SMB_VFS_OP(skel_lseek),                        SMB_VFS_OP_LSEEK,               SMB_VFS_LAYER_TRANSPARENT},
 559         {SMB_VFS_OP(skel_rename),                       SMB_VFS_OP_RENAME,              SMB_VFS_LAYER_TRANSPARENT},
 560         {SMB_VFS_OP(skel_fsync),                        SMB_VFS_OP_FSYNC,               SMB_VFS_LAYER_TRANSPARENT},
 561         {SMB_VFS_OP(skel_stat),                         SMB_VFS_OP_STAT,                SMB_VFS_LAYER_TRANSPARENT},
 562         {SMB_VFS_OP(skel_fstat),                        SMB_VFS_OP_FSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 563         {SMB_VFS_OP(skel_lstat),                        SMB_VFS_OP_LSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 564         {SMB_VFS_OP(skel_unlink),                       SMB_VFS_OP_UNLINK,              SMB_VFS_LAYER_TRANSPARENT},
 565         {SMB_VFS_OP(skel_chmod),                        SMB_VFS_OP_CHMOD,               SMB_VFS_LAYER_TRANSPARENT},
 566         {SMB_VFS_OP(skel_fchmod),                       SMB_VFS_OP_FCHMOD,              SMB_VFS_LAYER_TRANSPARENT},
 567         {SMB_VFS_OP(skel_chown),                        SMB_VFS_OP_CHOWN,               SMB_VFS_LAYER_TRANSPARENT},
 568         {SMB_VFS_OP(skel_fchown),                       SMB_VFS_OP_FCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 569         {SMB_VFS_OP(skel_lchown),                       SMB_VFS_OP_LCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 570         {SMB_VFS_OP(skel_chdir),                        SMB_VFS_OP_CHDIR,               SMB_VFS_LAYER_TRANSPARENT},
 571         {SMB_VFS_OP(skel_getwd),                        SMB_VFS_OP_GETWD,               SMB_VFS_LAYER_TRANSPARENT},
 572         {SMB_VFS_OP(skel_ntimes),                       SMB_VFS_OP_NTIMES,              SMB_VFS_LAYER_TRANSPARENT},
 573         {SMB_VFS_OP(skel_ftruncate),                    SMB_VFS_OP_FTRUNCATE,           SMB_VFS_LAYER_TRANSPARENT},
 574         {SMB_VFS_OP(skel_lock),                         SMB_VFS_OP_LOCK,                SMB_VFS_LAYER_TRANSPARENT},
 575         {SMB_VFS_OP(skel_getlock),                      SMB_VFS_OP_GETLOCK,             SMB_VFS_LAYER_TRANSPARENT},
 576         {SMB_VFS_OP(skel_symlink),                      SMB_VFS_OP_SYMLINK,             SMB_VFS_LAYER_TRANSPARENT},
 577         {SMB_VFS_OP(skel_readlink),                     SMB_VFS_OP_READLINK,            SMB_VFS_LAYER_TRANSPARENT},
 578         {SMB_VFS_OP(skel_link),                         SMB_VFS_OP_LINK,                SMB_VFS_LAYER_TRANSPARENT},
 579         {SMB_VFS_OP(skel_mknod),                        SMB_VFS_OP_MKNOD,               SMB_VFS_LAYER_TRANSPARENT},
 580         {SMB_VFS_OP(skel_realpath),                     SMB_VFS_OP_REALPATH,            SMB_VFS_LAYER_TRANSPARENT},
 581         {SMB_VFS_OP(skel_notify_watch),                 SMB_VFS_OP_NOTIFY_WATCH,        SMB_VFS_LAYER_TRANSPARENT},
 582         {SMB_VFS_OP(skel_chflags),                      SMB_VFS_OP_CHFLAGS,             SMB_VFS_LAYER_TRANSPARENT},
 583
 584         /* NT File ACL operations */
 585
 586         {SMB_VFS_OP(skel_fget_nt_acl),                  SMB_VFS_OP_FGET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 587         {SMB_VFS_OP(skel_get_nt_acl),                   SMB_VFS_OP_GET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 588         {SMB_VFS_OP(skel_fset_nt_acl),                  SMB_VFS_OP_FSET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 589         {SMB_VFS_OP(skel_set_nt_acl),                   SMB_VFS_OP_SET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 590
 591         /* POSIX ACL operations */
 592
 593         {SMB_VFS_OP(skel_chmod_acl),                    SMB_VFS_OP_CHMOD_ACL,           SMB_VFS_LAYER_TRANSPARENT},
 594         {SMB_VFS_OP(skel_fchmod_acl),                   SMB_VFS_OP_FCHMOD_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 595
 596         {SMB_VFS_OP(skel_sys_acl_get_entry),            SMB_VFS_OP_SYS_ACL_GET_ENTRY,           SMB_VFS_LAYER_TRANSPARENT},
 597         {SMB_VFS_OP(skel_sys_acl_get_tag_type),         SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 598         {SMB_VFS_OP(skel_sys_acl_get_permset),          SMB_VFS_OP_SYS_ACL_GET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 599         {SMB_VFS_OP(skel_sys_acl_get_qualifier),        SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 600         {SMB_VFS_OP(skel_sys_acl_get_file),             SMB_VFS_OP_SYS_ACL_GET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 601         {SMB_VFS_OP(skel_sys_acl_get_fd),               SMB_VFS_OP_SYS_ACL_GET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 602         {SMB_VFS_OP(skel_sys_acl_clear_perms),          SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,         SMB_VFS_LAYER_TRANSPARENT},
 603         {SMB_VFS_OP(skel_sys_acl_add_perm),             SMB_VFS_OP_SYS_ACL_ADD_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 604         {SMB_VFS_OP(skel_sys_acl_to_text),              SMB_VFS_OP_SYS_ACL_TO_TEXT,             SMB_VFS_LAYER_TRANSPARENT},
 605         {SMB_VFS_OP(skel_sys_acl_init),                 SMB_VFS_OP_SYS_ACL_INIT,                SMB_VFS_LAYER_TRANSPARENT},
 606         {SMB_VFS_OP(skel_sys_acl_create_entry),         SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,        SMB_VFS_LAYER_TRANSPARENT},
 607         {SMB_VFS_OP(skel_sys_acl_set_tag_type),         SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 608         {SMB_VFS_OP(skel_sys_acl_set_qualifier),        SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 609         {SMB_VFS_OP(skel_sys_acl_set_permset),          SMB_VFS_OP_SYS_ACL_SET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 610         {SMB_VFS_OP(skel_sys_acl_valid),                SMB_VFS_OP_SYS_ACL_VALID,               SMB_VFS_LAYER_TRANSPARENT},
 611         {SMB_VFS_OP(skel_sys_acl_set_file),             SMB_VFS_OP_SYS_ACL_SET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 612         {SMB_VFS_OP(skel_sys_acl_set_fd),               SMB_VFS_OP_SYS_ACL_SET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 613         {SMB_VFS_OP(skel_sys_acl_delete_def_file),      SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,     SMB_VFS_LAYER_TRANSPARENT},
 614         {SMB_VFS_OP(skel_sys_acl_get_perm),             SMB_VFS_OP_SYS_ACL_GET_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 615         {SMB_VFS_OP(skel_sys_acl_free_text),            SMB_VFS_OP_SYS_ACL_FREE_TEXT,           SMB_VFS_LAYER_TRANSPARENT},
 616         {SMB_VFS_OP(skel_sys_acl_free_acl),             SMB_VFS_OP_SYS_ACL_FREE_ACL,            SMB_VFS_LAYER_TRANSPARENT},
 617         {SMB_VFS_OP(skel_sys_acl_free_qualifier),       SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,      SMB_VFS_LAYER_TRANSPARENT},
 618
 619         /* EA operations. */
 620         {SMB_VFS_OP(skel_getxattr),                     SMB_VFS_OP_GETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 621         {SMB_VFS_OP(skel_lgetxattr),                    SMB_VFS_OP_LGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 622         {SMB_VFS_OP(skel_fgetxattr),                    SMB_VFS_OP_FGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 623         {SMB_VFS_OP(skel_listxattr),                    SMB_VFS_OP_LISTXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 624         {SMB_VFS_OP(skel_llistxattr),                   SMB_VFS_OP_LLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 625         {SMB_VFS_OP(skel_flistxattr),                   SMB_VFS_OP_FLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 626         {SMB_VFS_OP(skel_removexattr),                  SMB_VFS_OP_REMOVEXATTR,                 SMB_VFS_LAYER_TRANSPARENT},
 627         {SMB_VFS_OP(skel_lremovexattr),                 SMB_VFS_OP_LREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 628         {SMB_VFS_OP(skel_fremovexattr),                 SMB_VFS_OP_FREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 629         {SMB_VFS_OP(skel_setxattr),                     SMB_VFS_OP_SETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 630         {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 631         {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 632
 633         /* AIO operations. */
 634         {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_TRANSPARENT},
 635         {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_TRANSPARENT},
 636         {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_TRANSPARENT},
 637         {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_TRANSPARENT},
 638         {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_TRANSPARENT},
 639         {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_TRANSPARENT},
 640         {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_TRANSPARENT},
 641
 642         {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 643 };
 644
 645 NTSTATUS init_module(void)
 646 {
 647         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent", skel_op_tuples);
 648 }