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