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 SMB_BIG_UINT skel_disk_free(vfs_handle_struct *handle,  const char *path,
  50         bool small_query, SMB_BIG_UINT *bsize,
  51         SMB_BIG_UINT *dfree, SMB_BIG_UINT *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,  SMB_STRUCT_DIR *dirp)
  83 {
  84         return SMB_VFS_NEXT_READDIR(handle, dirp);
  85 }
  86
  87 static void skel_seekdir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp, long offset)
  88 {
  89         return SMB_VFS_NEXT_SEEKDIR(handle, dirp, offset);
  90 }
  91
  92 static long skel_telldir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  93 {
  94         return SMB_VFS_NEXT_TELLDIR(handle, dirp);
  95 }
  96
  97 static void skel_rewinddir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dirp)
  98 {
  99         return SMB_VFS_NEXT_REWINDDIR(handle, dirp);
 100 }
 101
 102 static int skel_mkdir(vfs_handle_struct *handle,  const char *path, mode_t mode)
 103 {
 104         return SMB_VFS_NEXT_MKDIR(handle, path, mode);
 105 }
 106
 107 static int skel_rmdir(vfs_handle_struct *handle,  const char *path)
 108 {
 109         return SMB_VFS_NEXT_RMDIR(handle, path);
 110 }
 111
 112 static int skel_closedir(vfs_handle_struct *handle,  SMB_STRUCT_DIR *dir)
 113 {
 114         return SMB_VFS_NEXT_CLOSEDIR(handle, dir);
 115 }
 116
 117 static int skel_open(vfs_handle_struct *handle,  const char *fname, files_struct *fsp, int flags, mode_t mode)
 118 {
 119         return SMB_VFS_NEXT_OPEN(handle, fname, fsp, flags, mode);
 120 }
 121
 122 static int skel_close(vfs_handle_struct *handle, files_struct *fsp)
 123 {
 124         return SMB_VFS_NEXT_CLOSE(handle, fsp);
 125 }
 126
 127 static ssize_t skel_read(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n)
 128 {
 129         return SMB_VFS_NEXT_READ(handle, fsp, data, n);
 130 }
 131
 132 static ssize_t skel_pread(vfs_handle_struct *handle, files_struct *fsp, void *data, size_t n, SMB_OFF_T offset)
 133 {
 134         return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
 135 }
 136
 137 static ssize_t skel_write(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n)
 138 {
 139         return SMB_VFS_NEXT_WRITE(handle, fsp, data, n);
 140 }
 141
 142 static ssize_t skel_pwrite(vfs_handle_struct *handle, files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset)
 143 {
 144         return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
 145 }
 146
 147 static SMB_OFF_T skel_lseek(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset, int whence)
 148 {
 149         return SMB_VFS_NEXT_LSEEK(handle, fsp, offset, whence);
 150 }
 151
 152 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)
 153 {
 154         return SMB_VFS_NEXT_SENDFILE(handle, tofd, fromfsp, hdr, offset, n);
 155 }
 156
 157 static ssize_t skel_recvfile(vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t n)
 158 {
 159         return SMB_VFS_NEXT_RECVFILE(handle, fromfd, tofsp, offset, n);
 160 }
 161
 162 static int skel_rename(vfs_handle_struct *handle,  const char *oldname, const char *newname)
 163 {
 164         return SMB_VFS_NEXT_RENAME(handle, oldname, newname);
 165 }
 166
 167 static int skel_fsync(vfs_handle_struct *handle, files_struct *fsp)
 168 {
 169         return SMB_VFS_NEXT_FSYNC(handle, fsp);
 170 }
 171
 172 static int skel_stat(vfs_handle_struct *handle,  const char *fname, SMB_STRUCT_STAT *sbuf)
 173 {
 174         return SMB_VFS_NEXT_STAT(handle, fname, sbuf);
 175 }
 176
 177 static int skel_fstat(vfs_handle_struct *handle, files_struct *fsp, SMB_STRUCT_STAT *sbuf)
 178 {
 179         return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
 180 }
 181
 182 static int skel_lstat(vfs_handle_struct *handle,  const char *path, SMB_STRUCT_STAT *sbuf)
 183 {
 184         return SMB_VFS_NEXT_LSTAT(handle, path, sbuf);
 185 }
 186
 187 static int skel_unlink(vfs_handle_struct *handle,  const char *path)
 188 {
 189         return SMB_VFS_NEXT_UNLINK(handle, path);
 190 }
 191
 192 static int skel_chmod(vfs_handle_struct *handle,  const char *path, mode_t mode)
 193 {
 194         return SMB_VFS_NEXT_CHMOD(handle, path, mode);
 195 }
 196
 197 static int skel_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 198 {
 199         return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
 200 }
 201
 202 static int skel_chown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 203 {
 204         return SMB_VFS_NEXT_CHOWN(handle, path, uid, gid);
 205 }
 206
 207 static int skel_fchown(vfs_handle_struct *handle, files_struct *fsp, uid_t uid, gid_t gid)
 208 {
 209         return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
 210 }
 211
 212 static int skel_lchown(vfs_handle_struct *handle,  const char *path, uid_t uid, gid_t gid)
 213 {
 214         return SMB_VFS_NEXT_LCHOWN(handle, path, uid, gid);
 215 }
 216
 217 static int skel_chdir(vfs_handle_struct *handle,  const char *path)
 218 {
 219         return SMB_VFS_NEXT_CHDIR(handle, path);
 220 }
 221
 222 static char *skel_getwd(vfs_handle_struct *handle,  char *buf)
 223 {
 224         return SMB_VFS_NEXT_GETWD(handle, buf);
 225 }
 226
 227 static int skel_ntimes(vfs_handle_struct *handle,  const char *path, const struct timespec ts[2])
 228 {
 229         return SMB_VFS_NEXT_NTIMES(handle, path, ts);
 230 }
 231
 232 static int skel_ftruncate(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T offset)
 233 {
 234         return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
 235 }
 236
 237 static bool skel_lock(vfs_handle_struct *handle, files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type)
 238 {
 239         return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
 240 }
 241
 242 static bool skel_getlock(vfs_handle_struct *handle, files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid)
 243 {
 244         return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset, pcount, ptype, ppid);
 245 }
 246
 247 static int skel_symlink(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 248 {
 249         return SMB_VFS_NEXT_SYMLINK(handle, oldpath, newpath);
 250 }
 251
 252 static int skel_readlink(vfs_handle_struct *handle,  const char *path, char *buf, size_t bufsiz)
 253 {
 254         return SMB_VFS_NEXT_READLINK(handle, path, buf, bufsiz);
 255 }
 256
 257 static int skel_link(vfs_handle_struct *handle,  const char *oldpath, const char *newpath)
 258 {
 259         return SMB_VFS_NEXT_LINK(handle, oldpath, newpath);
 260 }
 261
 262 static int skel_mknod(vfs_handle_struct *handle,  const char *path, mode_t mode, SMB_DEV_T dev)
 263 {
 264         return SMB_VFS_NEXT_MKNOD(handle, path, mode, dev);
 265 }
 266
 267 static char *skel_realpath(vfs_handle_struct *handle,  const char *path, char *resolved_path)
 268 {
 269         return SMB_VFS_NEXT_REALPATH(handle, path, resolved_path);
 270 }
 271
 272 static NTSTATUS skel_notify_watch(struct vfs_handle_struct *handle,
 273             struct sys_notify_context *ctx, struct notify_entry *e,
 274             void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev),
 275             void *private_data, void *handle_p)
 276 {
 277         return SMB_VFS_NEXT_NOTIFY_WATCH(handle, ctx, e, callback,
 278                 private_data, handle_p);
 279 }
 280
 281 static int skel_chflags(vfs_handle_struct *handle,  const char *path, uint flags)
 282 {
 283         return SMB_VFS_NEXT_CHFLAGS(handle, path, flags);
 284 }
 285
 286 static struct file_id skel_file_id_create(vfs_handle_struct *handle,
 287                                           SMB_DEV_T dev, SMB_INO_T inode)
 288 {
 289         return SMB_VFS_NEXT_FILE_ID_CREATE(handle, dev, inode);
 290 }
 291
 292 static NTSTATUS skel_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 293         uint32 security_info, SEC_DESC **ppdesc)
 294 {
 295         return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
 296 }
 297
 298 static NTSTATUS skel_get_nt_acl(vfs_handle_struct *handle,
 299         const char *name, uint32 security_info, SEC_DESC **ppdesc)
 300 {
 301         return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
 302 }
 303
 304 static NTSTATUS skel_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 305         uint32 security_info_sent, SEC_DESC *psd)
 306 {
 307         return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
 308 }
 309
 310 static NTSTATUS skel_set_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
 311         const char *name, uint32 security_info_sent, SEC_DESC *psd)
 312 {
 313         return SMB_VFS_NEXT_SET_NT_ACL(handle, fsp, name, security_info_sent, psd);
 314 }
 315
 316 static int skel_chmod_acl(vfs_handle_struct *handle,  const char *name, mode_t mode)
 317 {
 318         /* If the underlying VFS doesn't have ACL support... */
 319         if (!handle->vfs_next.ops.chmod_acl) {
 320                 errno = ENOSYS;
 321                 return -1;
 322         }
 323         return SMB_VFS_NEXT_CHMOD_ACL(handle, name, mode);
 324 }
 325
 326 static int skel_fchmod_acl(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
 327 {
 328         /* If the underlying VFS doesn't have ACL support... */
 329         if (!handle->vfs_next.ops.fchmod_acl) {
 330                 errno = ENOSYS;
 331                 return -1;
 332         }
 333         return SMB_VFS_NEXT_FCHMOD_ACL(handle, fsp, mode);
 334 }
 335
 336 static int skel_sys_acl_get_entry(vfs_handle_struct *handle,  SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
 337 {
 338         return SMB_VFS_NEXT_SYS_ACL_GET_ENTRY(handle, theacl, entry_id, entry_p);
 339 }
 340
 341 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)
 342 {
 343         return SMB_VFS_NEXT_SYS_ACL_GET_TAG_TYPE(handle, entry_d, tag_type_p);
 344 }
 345
 346 static int skel_sys_acl_get_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p)
 347 {
 348         return SMB_VFS_NEXT_SYS_ACL_GET_PERMSET(handle, entry_d, permset_p);
 349 }
 350
 351 static void *skel_sys_acl_get_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry_d)
 352 {
 353         return SMB_VFS_NEXT_SYS_ACL_GET_QUALIFIER(handle, entry_d);
 354 }
 355
 356 static SMB_ACL_T skel_sys_acl_get_file(vfs_handle_struct *handle,  const char *path_p, SMB_ACL_TYPE_T type)
 357 {
 358         return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p, type);
 359 }
 360
 361 static SMB_ACL_T skel_sys_acl_get_fd(vfs_handle_struct *handle, files_struct *fsp)
 362 {
 363         return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp);
 364 }
 365
 366 static int skel_sys_acl_clear_perms(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset)
 367 {
 368         return SMB_VFS_NEXT_SYS_ACL_CLEAR_PERMS(handle, permset);
 369 }
 370
 371 static int skel_sys_acl_add_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 372 {
 373         return SMB_VFS_NEXT_SYS_ACL_ADD_PERM(handle, permset, perm);
 374 }
 375
 376 static char *skel_sys_acl_to_text(vfs_handle_struct *handle,  SMB_ACL_T theacl, ssize_t *plen)
 377 {
 378         return SMB_VFS_NEXT_SYS_ACL_TO_TEXT(handle, theacl, plen);
 379 }
 380
 381 static SMB_ACL_T skel_sys_acl_init(vfs_handle_struct *handle,  int count)
 382 {
 383         return SMB_VFS_NEXT_SYS_ACL_INIT(handle, count);
 384 }
 385
 386 static int skel_sys_acl_create_entry(vfs_handle_struct *handle,  SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
 387 {
 388         return SMB_VFS_NEXT_SYS_ACL_CREATE_ENTRY(handle, pacl, pentry);
 389 }
 390
 391 static int skel_sys_acl_set_tag_type(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype)
 392 {
 393         return SMB_VFS_NEXT_SYS_ACL_SET_TAG_TYPE(handle, entry, tagtype);
 394 }
 395
 396 static int skel_sys_acl_set_qualifier(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, void *qual)
 397 {
 398         return SMB_VFS_NEXT_SYS_ACL_SET_QUALIFIER(handle, entry, qual);
 399 }
 400
 401 static int skel_sys_acl_set_permset(vfs_handle_struct *handle,  SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset)
 402 {
 403         return SMB_VFS_NEXT_SYS_ACL_SET_PERMSET(handle, entry, permset);
 404 }
 405
 406 static int skel_sys_acl_valid(vfs_handle_struct *handle,  SMB_ACL_T theacl )
 407 {
 408         return SMB_VFS_NEXT_SYS_ACL_VALID(handle, theacl);
 409 }
 410
 411 static int skel_sys_acl_set_file(vfs_handle_struct *handle,  const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
 412 {
 413         return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, acltype, theacl);
 414 }
 415
 416 static int skel_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp, SMB_ACL_T theacl)
 417 {
 418         return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
 419 }
 420
 421 static int skel_sys_acl_delete_def_file(vfs_handle_struct *handle,  const char *path)
 422 {
 423         return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
 424 }
 425
 426 static int skel_sys_acl_get_perm(vfs_handle_struct *handle,  SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm)
 427 {
 428         return SMB_VFS_NEXT_SYS_ACL_GET_PERM(handle, permset, perm);
 429 }
 430
 431 static int skel_sys_acl_free_text(vfs_handle_struct *handle,  char *text)
 432 {
 433         return SMB_VFS_NEXT_SYS_ACL_FREE_TEXT(handle, text);
 434 }
 435
 436 static int skel_sys_acl_free_acl(vfs_handle_struct *handle,  SMB_ACL_T posix_acl)
 437 {
 438         return SMB_VFS_NEXT_SYS_ACL_FREE_ACL(handle, posix_acl);
 439 }
 440
 441 static int skel_sys_acl_free_qualifier(vfs_handle_struct *handle,  void *qualifier, SMB_ACL_TAG_T tagtype)
 442 {
 443         return SMB_VFS_NEXT_SYS_ACL_FREE_QUALIFIER(handle, qualifier, tagtype);
 444 }
 445
 446 static ssize_t skel_getxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t size)
 447 {
 448         return SMB_VFS_NEXT_GETXATTR(handle, path, name, value, size);
 449 }
 450
 451 static ssize_t skel_lgetxattr(vfs_handle_struct *handle, const char *path, const char *name, void *value, size_t
 452 size)
 453 {
 454         return SMB_VFS_NEXT_LGETXATTR(handle, path, name, value, size);
 455 }
 456
 457 static ssize_t skel_fgetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size)
 458 {
 459         return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
 460 }
 461
 462 static ssize_t skel_listxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 463 {
 464         return SMB_VFS_NEXT_LISTXATTR(handle, path, list, size);
 465 }
 466
 467 static ssize_t skel_llistxattr(vfs_handle_struct *handle, const char *path, char *list, size_t size)
 468 {
 469         return SMB_VFS_NEXT_LLISTXATTR(handle, path, list, size);
 470 }
 471
 472 static ssize_t skel_flistxattr(vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
 473 {
 474         return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
 475 }
 476
 477 static int skel_removexattr(vfs_handle_struct *handle, const char *path, const char *name)
 478 {
 479         return SMB_VFS_NEXT_REMOVEXATTR(handle, path, name);
 480 }
 481
 482 static int skel_lremovexattr(vfs_handle_struct *handle, const char *path, const char *name)
 483 {
 484         return SMB_VFS_NEXT_LREMOVEXATTR(handle, path, name);
 485 }
 486
 487 static int skel_fremovexattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name)
 488 {
 489         return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
 490 }
 491
 492 static int skel_setxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 493 {
 494         return SMB_VFS_NEXT_SETXATTR(handle, path, name, value, size, flags);
 495 }
 496
 497 static int skel_lsetxattr(vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags)
 498 {
 499         return SMB_VFS_NEXT_LSETXATTR(handle, path, name, value, size, flags);
 500 }
 501
 502 static int skel_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags)
 503 {
 504         return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value, size, flags);
 505 }
 506
 507 static int skel_aio_read(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 508 {
 509         return SMB_VFS_NEXT_AIO_READ(handle, fsp, aiocb);
 510 }
 511
 512 static int skel_aio_write(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 513 {
 514         return SMB_VFS_NEXT_AIO_WRITE(handle, fsp, aiocb);
 515 }
 516
 517 static ssize_t skel_aio_return(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 518 {
 519         return SMB_VFS_NEXT_AIO_RETURN(handle, fsp, aiocb);
 520 }
 521
 522 static int skel_aio_cancel(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 523 {
 524         return SMB_VFS_NEXT_AIO_CANCEL(handle, fsp, aiocb);
 525 }
 526
 527 static int skel_aio_error(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb)
 528 {
 529         return SMB_VFS_NEXT_AIO_ERROR(handle, fsp, aiocb);
 530 }
 531
 532 static int skel_aio_fsync(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb)
 533 {
 534         return SMB_VFS_NEXT_AIO_FSYNC(handle, fsp, op, aiocb);
 535 }
 536
 537 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)
 538 {
 539         return SMB_VFS_NEXT_AIO_SUSPEND(handle, fsp, aiocb, n, ts);
 540 }
 541
 542 static bool skel_aio_force(struct vfs_handle_struct *handle, struct files_struct *fsp)
 543 {
 544         return SMB_VFS_NEXT_AIO_FORCE(handle, fsp);
 545 }
 546
 547 static bool skel_is_offline(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf)
 548 {
 549         return SMB_VFS_NEXT_IS_OFFLINE(handle, path, sbuf);
 550 }
 551
 552 static int skel_set_offline(struct vfs_handle_struct *handle, const char *path)
 553 {
 554         return SMB_VFS_NEXT_SET_OFFLINE(handle, path);
 555 }
 556
 557 static bool skel_is_remotestorage(struct vfs_handle_struct *handle, const char *path)
 558 {
 559         return SMB_VFS_NEXT_IS_REMOTESTORAGE(handle, path);
 560 }
 561
 562 /* VFS operations structure */
 563
 564 static vfs_op_tuple skel_op_tuples[] = {
 565
 566         /* Disk operations */
 567
 568         {SMB_VFS_OP(skel_connect),                      SMB_VFS_OP_CONNECT,             SMB_VFS_LAYER_TRANSPARENT},
 569         {SMB_VFS_OP(skel_disconnect),                   SMB_VFS_OP_DISCONNECT,          SMB_VFS_LAYER_TRANSPARENT},
 570         {SMB_VFS_OP(skel_disk_free),                    SMB_VFS_OP_DISK_FREE,           SMB_VFS_LAYER_TRANSPARENT},
 571         {SMB_VFS_OP(skel_get_quota),                    SMB_VFS_OP_GET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 572         {SMB_VFS_OP(skel_set_quota),                    SMB_VFS_OP_SET_QUOTA,           SMB_VFS_LAYER_TRANSPARENT},
 573         {SMB_VFS_OP(skel_get_shadow_copy_data),         SMB_VFS_OP_GET_SHADOW_COPY_DATA,SMB_VFS_LAYER_TRANSPARENT},
 574         {SMB_VFS_OP(skel_statvfs),                      SMB_VFS_OP_STATVFS,             SMB_VFS_LAYER_TRANSPARENT},
 575
 576         /* Directory operations */
 577
 578         {SMB_VFS_OP(skel_opendir),                      SMB_VFS_OP_OPENDIR,             SMB_VFS_LAYER_TRANSPARENT},
 579         {SMB_VFS_OP(skel_readdir),                      SMB_VFS_OP_READDIR,             SMB_VFS_LAYER_TRANSPARENT},
 580         {SMB_VFS_OP(skel_seekdir),                      SMB_VFS_OP_SEEKDIR,             SMB_VFS_LAYER_TRANSPARENT},
 581         {SMB_VFS_OP(skel_telldir),                      SMB_VFS_OP_TELLDIR,             SMB_VFS_LAYER_TRANSPARENT},
 582         {SMB_VFS_OP(skel_rewinddir),                    SMB_VFS_OP_REWINDDIR,           SMB_VFS_LAYER_TRANSPARENT},
 583         {SMB_VFS_OP(skel_mkdir),                        SMB_VFS_OP_MKDIR,               SMB_VFS_LAYER_TRANSPARENT},
 584         {SMB_VFS_OP(skel_rmdir),                        SMB_VFS_OP_RMDIR,               SMB_VFS_LAYER_TRANSPARENT},
 585         {SMB_VFS_OP(skel_closedir),                     SMB_VFS_OP_CLOSEDIR,            SMB_VFS_LAYER_TRANSPARENT},
 586
 587         /* File operations */
 588
 589         {SMB_VFS_OP(skel_open),                         SMB_VFS_OP_OPEN,                SMB_VFS_LAYER_TRANSPARENT},
 590         {SMB_VFS_OP(skel_close),                        SMB_VFS_OP_CLOSE,               SMB_VFS_LAYER_TRANSPARENT},
 591         {SMB_VFS_OP(skel_read),                         SMB_VFS_OP_READ,                SMB_VFS_LAYER_TRANSPARENT},
 592         {SMB_VFS_OP(skel_write),                        SMB_VFS_OP_WRITE,               SMB_VFS_LAYER_TRANSPARENT},
 593         {SMB_VFS_OP(skel_lseek),                        SMB_VFS_OP_LSEEK,               SMB_VFS_LAYER_TRANSPARENT},
 594         {SMB_VFS_OP(skel_sendfile),                     SMB_VFS_OP_SENDFILE,            SMB_VFS_LAYER_TRANSPARENT},
 595         {SMB_VFS_OP(skel_recvfile),                     SMB_VFS_OP_RECVFILE,            SMB_VFS_LAYER_TRANSPARENT},
 596         {SMB_VFS_OP(skel_rename),                       SMB_VFS_OP_RENAME,              SMB_VFS_LAYER_TRANSPARENT},
 597         {SMB_VFS_OP(skel_fsync),                        SMB_VFS_OP_FSYNC,               SMB_VFS_LAYER_TRANSPARENT},
 598         {SMB_VFS_OP(skel_stat),                         SMB_VFS_OP_STAT,                SMB_VFS_LAYER_TRANSPARENT},
 599         {SMB_VFS_OP(skel_fstat),                        SMB_VFS_OP_FSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 600         {SMB_VFS_OP(skel_lstat),                        SMB_VFS_OP_LSTAT,               SMB_VFS_LAYER_TRANSPARENT},
 601         {SMB_VFS_OP(skel_unlink),                       SMB_VFS_OP_UNLINK,              SMB_VFS_LAYER_TRANSPARENT},
 602         {SMB_VFS_OP(skel_chmod),                        SMB_VFS_OP_CHMOD,               SMB_VFS_LAYER_TRANSPARENT},
 603         {SMB_VFS_OP(skel_fchmod),                       SMB_VFS_OP_FCHMOD,              SMB_VFS_LAYER_TRANSPARENT},
 604         {SMB_VFS_OP(skel_chown),                        SMB_VFS_OP_CHOWN,               SMB_VFS_LAYER_TRANSPARENT},
 605         {SMB_VFS_OP(skel_fchown),                       SMB_VFS_OP_FCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 606         {SMB_VFS_OP(skel_lchown),                       SMB_VFS_OP_LCHOWN,              SMB_VFS_LAYER_TRANSPARENT},
 607         {SMB_VFS_OP(skel_chdir),                        SMB_VFS_OP_CHDIR,               SMB_VFS_LAYER_TRANSPARENT},
 608         {SMB_VFS_OP(skel_getwd),                        SMB_VFS_OP_GETWD,               SMB_VFS_LAYER_TRANSPARENT},
 609         {SMB_VFS_OP(skel_ntimes),                       SMB_VFS_OP_NTIMES,              SMB_VFS_LAYER_TRANSPARENT},
 610         {SMB_VFS_OP(skel_ftruncate),                    SMB_VFS_OP_FTRUNCATE,           SMB_VFS_LAYER_TRANSPARENT},
 611         {SMB_VFS_OP(skel_lock),                         SMB_VFS_OP_LOCK,                SMB_VFS_LAYER_TRANSPARENT},
 612         {SMB_VFS_OP(skel_getlock),                      SMB_VFS_OP_GETLOCK,             SMB_VFS_LAYER_TRANSPARENT},
 613         {SMB_VFS_OP(skel_symlink),                      SMB_VFS_OP_SYMLINK,             SMB_VFS_LAYER_TRANSPARENT},
 614         {SMB_VFS_OP(skel_readlink),                     SMB_VFS_OP_READLINK,            SMB_VFS_LAYER_TRANSPARENT},
 615         {SMB_VFS_OP(skel_link),                         SMB_VFS_OP_LINK,                SMB_VFS_LAYER_TRANSPARENT},
 616         {SMB_VFS_OP(skel_mknod),                        SMB_VFS_OP_MKNOD,               SMB_VFS_LAYER_TRANSPARENT},
 617         {SMB_VFS_OP(skel_realpath),                     SMB_VFS_OP_REALPATH,            SMB_VFS_LAYER_TRANSPARENT},
 618         {SMB_VFS_OP(skel_notify_watch),                 SMB_VFS_OP_NOTIFY_WATCH,        SMB_VFS_LAYER_TRANSPARENT},
 619         {SMB_VFS_OP(skel_chflags),                      SMB_VFS_OP_CHFLAGS,             SMB_VFS_LAYER_TRANSPARENT},
 620         {SMB_VFS_OP(skel_file_id_create),               SMB_VFS_OP_FILE_ID_CREATE,      SMB_VFS_LAYER_TRANSPARENT},
 621
 622         /* NT File ACL operations */
 623
 624         {SMB_VFS_OP(skel_fget_nt_acl),                  SMB_VFS_OP_FGET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 625         {SMB_VFS_OP(skel_get_nt_acl),                   SMB_VFS_OP_GET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 626         {SMB_VFS_OP(skel_fset_nt_acl),                  SMB_VFS_OP_FSET_NT_ACL,         SMB_VFS_LAYER_TRANSPARENT},
 627         {SMB_VFS_OP(skel_set_nt_acl),                   SMB_VFS_OP_SET_NT_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 628
 629         /* POSIX ACL operations */
 630
 631         {SMB_VFS_OP(skel_chmod_acl),                    SMB_VFS_OP_CHMOD_ACL,           SMB_VFS_LAYER_TRANSPARENT},
 632         {SMB_VFS_OP(skel_fchmod_acl),                   SMB_VFS_OP_FCHMOD_ACL,          SMB_VFS_LAYER_TRANSPARENT},
 633
 634         {SMB_VFS_OP(skel_sys_acl_get_entry),            SMB_VFS_OP_SYS_ACL_GET_ENTRY,           SMB_VFS_LAYER_TRANSPARENT},
 635         {SMB_VFS_OP(skel_sys_acl_get_tag_type),         SMB_VFS_OP_SYS_ACL_GET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 636         {SMB_VFS_OP(skel_sys_acl_get_permset),          SMB_VFS_OP_SYS_ACL_GET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 637         {SMB_VFS_OP(skel_sys_acl_get_qualifier),        SMB_VFS_OP_SYS_ACL_GET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 638         {SMB_VFS_OP(skel_sys_acl_get_file),             SMB_VFS_OP_SYS_ACL_GET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 639         {SMB_VFS_OP(skel_sys_acl_get_fd),               SMB_VFS_OP_SYS_ACL_GET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 640         {SMB_VFS_OP(skel_sys_acl_clear_perms),          SMB_VFS_OP_SYS_ACL_CLEAR_PERMS,         SMB_VFS_LAYER_TRANSPARENT},
 641         {SMB_VFS_OP(skel_sys_acl_add_perm),             SMB_VFS_OP_SYS_ACL_ADD_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 642         {SMB_VFS_OP(skel_sys_acl_to_text),              SMB_VFS_OP_SYS_ACL_TO_TEXT,             SMB_VFS_LAYER_TRANSPARENT},
 643         {SMB_VFS_OP(skel_sys_acl_init),                 SMB_VFS_OP_SYS_ACL_INIT,                SMB_VFS_LAYER_TRANSPARENT},
 644         {SMB_VFS_OP(skel_sys_acl_create_entry),         SMB_VFS_OP_SYS_ACL_CREATE_ENTRY,        SMB_VFS_LAYER_TRANSPARENT},
 645         {SMB_VFS_OP(skel_sys_acl_set_tag_type),         SMB_VFS_OP_SYS_ACL_SET_TAG_TYPE,        SMB_VFS_LAYER_TRANSPARENT},
 646         {SMB_VFS_OP(skel_sys_acl_set_qualifier),        SMB_VFS_OP_SYS_ACL_SET_QUALIFIER,       SMB_VFS_LAYER_TRANSPARENT},
 647         {SMB_VFS_OP(skel_sys_acl_set_permset),          SMB_VFS_OP_SYS_ACL_SET_PERMSET,         SMB_VFS_LAYER_TRANSPARENT},
 648         {SMB_VFS_OP(skel_sys_acl_valid),                SMB_VFS_OP_SYS_ACL_VALID,               SMB_VFS_LAYER_TRANSPARENT},
 649         {SMB_VFS_OP(skel_sys_acl_set_file),             SMB_VFS_OP_SYS_ACL_SET_FILE,            SMB_VFS_LAYER_TRANSPARENT},
 650         {SMB_VFS_OP(skel_sys_acl_set_fd),               SMB_VFS_OP_SYS_ACL_SET_FD,              SMB_VFS_LAYER_TRANSPARENT},
 651         {SMB_VFS_OP(skel_sys_acl_delete_def_file),      SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,     SMB_VFS_LAYER_TRANSPARENT},
 652         {SMB_VFS_OP(skel_sys_acl_get_perm),             SMB_VFS_OP_SYS_ACL_GET_PERM,            SMB_VFS_LAYER_TRANSPARENT},
 653         {SMB_VFS_OP(skel_sys_acl_free_text),            SMB_VFS_OP_SYS_ACL_FREE_TEXT,           SMB_VFS_LAYER_TRANSPARENT},
 654         {SMB_VFS_OP(skel_sys_acl_free_acl),             SMB_VFS_OP_SYS_ACL_FREE_ACL,            SMB_VFS_LAYER_TRANSPARENT},
 655         {SMB_VFS_OP(skel_sys_acl_free_qualifier),       SMB_VFS_OP_SYS_ACL_FREE_QUALIFIER,      SMB_VFS_LAYER_TRANSPARENT},
 656
 657         /* EA operations. */
 658         {SMB_VFS_OP(skel_getxattr),                     SMB_VFS_OP_GETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 659         {SMB_VFS_OP(skel_lgetxattr),                    SMB_VFS_OP_LGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 660         {SMB_VFS_OP(skel_fgetxattr),                    SMB_VFS_OP_FGETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 661         {SMB_VFS_OP(skel_listxattr),                    SMB_VFS_OP_LISTXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 662         {SMB_VFS_OP(skel_llistxattr),                   SMB_VFS_OP_LLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 663         {SMB_VFS_OP(skel_flistxattr),                   SMB_VFS_OP_FLISTXATTR,                  SMB_VFS_LAYER_TRANSPARENT},
 664         {SMB_VFS_OP(skel_removexattr),                  SMB_VFS_OP_REMOVEXATTR,                 SMB_VFS_LAYER_TRANSPARENT},
 665         {SMB_VFS_OP(skel_lremovexattr),                 SMB_VFS_OP_LREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 666         {SMB_VFS_OP(skel_fremovexattr),                 SMB_VFS_OP_FREMOVEXATTR,                SMB_VFS_LAYER_TRANSPARENT},
 667         {SMB_VFS_OP(skel_setxattr),                     SMB_VFS_OP_SETXATTR,                    SMB_VFS_LAYER_TRANSPARENT},
 668         {SMB_VFS_OP(skel_lsetxattr),                    SMB_VFS_OP_LSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 669         {SMB_VFS_OP(skel_fsetxattr),                    SMB_VFS_OP_FSETXATTR,                   SMB_VFS_LAYER_TRANSPARENT},
 670
 671         /* AIO operations. */
 672         {SMB_VFS_OP(skel_aio_read),                     SMB_VFS_OP_AIO_READ,                    SMB_VFS_LAYER_TRANSPARENT},
 673         {SMB_VFS_OP(skel_aio_write),                    SMB_VFS_OP_AIO_WRITE,                   SMB_VFS_LAYER_TRANSPARENT},
 674         {SMB_VFS_OP(skel_aio_return),                   SMB_VFS_OP_AIO_RETURN,                  SMB_VFS_LAYER_TRANSPARENT},
 675         {SMB_VFS_OP(skel_aio_cancel),                   SMB_VFS_OP_AIO_CANCEL,                  SMB_VFS_LAYER_TRANSPARENT},
 676         {SMB_VFS_OP(skel_aio_error),                    SMB_VFS_OP_AIO_ERROR,                   SMB_VFS_LAYER_TRANSPARENT},
 677         {SMB_VFS_OP(skel_aio_fsync),                    SMB_VFS_OP_AIO_FSYNC,                   SMB_VFS_LAYER_TRANSPARENT},
 678         {SMB_VFS_OP(skel_aio_suspend),                  SMB_VFS_OP_AIO_SUSPEND,                 SMB_VFS_LAYER_TRANSPARENT},
 679         {SMB_VFS_OP(skel_aio_force),                    SMB_VFS_OP_AIO_FORCE,                   SMB_VFS_LAYER_TRANSPARENT},
 680
 681         /* offline operations */
 682         {SMB_VFS_OP(skel_is_offline),                   SMB_VFS_OP_IS_OFFLINE,                  SMB_VFS_LAYER_TRANSPARENT},
 683         {SMB_VFS_OP(skel_set_offline),                  SMB_VFS_OP_SET_OFFLINE,                 SMB_VFS_LAYER_TRANSPARENT},
 684
 685         {NULL,                                          SMB_VFS_OP_NOOP,                        SMB_VFS_LAYER_NOOP}
 686 };
 687
 688 NTSTATUS init_module(void)
 689 {
 690         return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "skel_transparent", skel_op_tuples);
 691 }